x310/0x310
[  225.160479]  3503
[  225.163800]  ? warn_alloc+0x120/0x120
[  225.167587] Node 0 
[  225.169839]  ? print_usage_bug+0xc0/0xc0
[  225.174257] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  225.176311]  ? warn_alloc+0x120/0x120
[  225.180092] lowmem_reserve[]: 0
[  225.182356]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  225.186406]  0 0
[  225.215329]  ? print_usage_bug+0xc0/0xc0
[  225.219120]  0
[  225.222410]  ? __lock_acquire+0x7ec/0x4ec0
[  225.227409] Node 0 
[  225.229395]  ? __lock_acquire+0x7ec/0x4ec0
[  225.233440] DMA: 1*4kB 
[  225.235264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.239478] (U) 0*8kB 
[  225.241738]  ? should_fail+0x22d/0xd01
[  225.245963] 0*16kB 
[  225.248562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.254078] 1*32kB (U) 
[  225.256598]  ? __lock_acquire+0x7ec/0x4ec0
[  225.260474] 2*64kB 
[  225.262724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.267834] (U) 
[  225.270425]  ? __lock_acquire+0x7ec/0x4ec0
[  225.270444]  ? should_fail+0x22d/0xd01
[  225.274664] 1*128kB (U) 
[  225.277009]  ? print_usage_bug+0xc0/0xc0
[  225.282104] 1*256kB 
[  225.284102]  ? mark_held_locks+0x130/0x130
[  225.288309] (U) 0*512kB 
[  225.292221]  ? mark_held_locks+0x130/0x130
[  225.294879] 1*1024kB (U) 
[  225.298970]  ? graph_lock+0x170/0x170
[  225.301368] 1*2048kB 
[  225.305621]  ? print_usage_bug+0xc0/0xc0
[  225.308277] (M) 
[  225.312528]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.315269] 3*4096kB (M) 
[  225.319094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.321487] = 15908kB
[  225.321495] Node 0 
[  225.325568]  ? check_preemption_disabled+0x48/0x200
[  225.327528] DMA32: 
[  225.332302]  ? check_preemption_disabled+0x48/0x200
[  225.332329]  ? __lock_is_held+0xb5/0x140
[  225.335077] 2*4kB 
[  225.340629]  __alloc_pages_nodemask+0xa80/0xde0
[  225.343024] (M) 
[  225.345288]  ? graph_lock+0x170/0x170
[  225.350284] 1*8kB (U) 4*16kB 
[  225.352548]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.357553] (UM) 
[  225.361621]  ? graph_lock+0x170/0x170
[  225.363758] 2*32kB (UM) 
[  225.368490]  ? find_held_lock+0x36/0x1c0
[  225.370447] 3*64kB (UM) 
[  225.374273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.377359] 4*128kB (UM) 
[  225.382391]  ? lock_downgrade+0x900/0x900
[  225.384442] 2*256kB (M) 
[  225.388266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.390925] 4*512kB 
[  225.395005]  cache_grow_begin+0x91/0x8c0
[  225.397659] (UM) 
[  225.402344]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.405229] 3*1024kB (M) 
[  225.409501]  fallback_alloc+0x203/0x2e0
[  225.412153] 1*2048kB (M) 
[  225.417715]  ____cache_alloc_node+0x1c7/0x1e0
[  225.420017] 4*4096kB (M) 
[  225.424101]  kmem_cache_alloc_node+0xe3/0x730
[  225.426219] = 24912kB
[  225.430725]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.433610] Node 0 
[  225.437602]  __alloc_skb+0x119/0x770
[  225.440339] Normal: 2389*4kB 
[  225.444861]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.447595] (UME) 378*8kB 
[  225.452113]  ? skb_scrub_packet+0x490/0x490
[  225.454502] (UME) 73*16kB 
[  225.458756]  ? lock_downgrade+0x900/0x900
[  225.461047] (UM) 
[  225.464809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.467902] 1*32kB 
[  225.473191]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.476020] (U) 
[  225.480355]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.483181] 0*64kB 0*128kB 
[  225.487351]  ? addrconf_rs_timer+0x6f0/0x6f0
[  225.489393] 0*256kB 0*512kB 
[  225.495045]  ndisc_alloc_skb+0x144/0x340
[  225.497262] 0*1024kB 0*2048kB 
[  225.502744]  ndisc_send_rs+0x331/0x6e0
[  225.504709] 0*4096kB 
[  225.510169]  addrconf_rs_timer+0x3c0/0x6f0
[  225.513086] = 13780kB
[  225.517507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.520521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  225.524594]  call_timer_fn+0x272/0x920
[  225.527800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  225.531693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.534217] 4510 total pagecache pages
[  225.538549]  ? process_timeout+0x40/0x40
[  225.540955] 0 pages in swap cache
[  225.545186]  ? find_held_lock+0x36/0x1c0
[  225.545210]  ? __run_timers+0x7da/0xc70
[  225.554037] Swap cache stats: add 0, delete 0, find 0/0
[  225.554046] Free swap  = 0kB
[  225.557952]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.566509] Total swap = 0kB
[  225.566518] 1965979 pages RAM
[  225.570797]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.574735] 0 pages HighMem/MovableOnly
[  225.574743] 342744 pages reserved
[  225.578911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.582345] 0 pages cma reserved
[  225.582666] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.586426]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  225.590391] syz-fuzzer cpuset=
[  225.595796]  ? trace_hardirqs_on+0xbd/0x310
[  225.598824] /
[  225.603325]  ? kasan_check_read+0x11/0x20
[  225.603344]  ? __run_timers+0x7da/0xc70
[  225.606356]  mems_allowed=0
[  225.609470]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.669648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.673907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.678165]  __run_timers+0x7e5/0xc70
[  225.681993]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.687437]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.692873]  ? rcu_bh_qs+0xc0/0xc0
[  225.696435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.701992]  ? check_preemption_disabled+0x48/0x200
[  225.707036]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.711836]  ? retint_kernel+0x2d/0x2d
[  225.715740]  ? trace_hardirqs_on_caller+0xc0/0x300
[  225.720717]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.725490]  ? trace_hardirqs_off_caller+0x300/0x300
[  225.730628]  ? check_preemption_disabled+0x48/0x200
[  225.735658]  ? graph_lock+0x170/0x170
[  225.739620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.745174]  ? check_preemption_disabled+0x48/0x200
[  225.750219]  ? __lock_is_held+0xb5/0x140
[  225.754308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.760035]  ? check_preemption_disabled+0x48/0x200
[  225.765229]  run_timer_softirq+0x52/0xb0
[  225.769317]  ? rcu_read_lock_sched_held+0x108/0x120
[  225.774356]  __do_softirq+0x30b/0xad8
[  225.778187]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.783315]  ? pvclock_read_flags+0x160/0x160
[  225.787827]  ? lapic_next_event+0x5a/0x90
[  225.792010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.797568]  ? check_preemption_disabled+0x48/0x200
[  225.802598]  ? check_preemption_disabled+0x48/0x200
[  225.807637]  ? kvm_clock_read+0x18/0x30
[  225.811630]  ? kvm_sched_clock_read+0x9/0x20
[  225.816055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.821608]  ? check_preemption_disabled+0x48/0x200
[  225.826651]  irq_exit+0x17f/0x1c0
[  225.830124]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.835122]  ? smp_reschedule_interrupt+0x109/0x650
[  225.840156]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.846210]  ? interrupt_entry+0xb5/0xf0
[  225.850295]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.855326]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.860363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.865291]  ? trace_hardirqs_off+0x300/0x300
[  225.869825]  ? trace_hardirqs_off+0x300/0x300
[  225.874339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.879892]  ? check_preemption_disabled+0x48/0x200
[  225.884923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.890486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.895355]  apic_timer_interrupt+0xf/0x20
[  225.899601]  </IRQ>
[  225.901860] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.906893] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  225.925827] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  225.933556] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  225.940839] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  225.948126] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  225.955492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  225.962799] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  225.970127]  skb_clone+0x1bb/0x500
[  225.973837]  ? finish_task_switch+0x2f5/0x900
[  225.978350]  ? skb_split+0x11e0/0x11e0
[  225.982253]  ? preempt_notifier_register+0x200/0x200
[  225.987380]  ? __switch_to_asm+0x34/0x70
[  225.991454]  ? __switch_to_asm+0x34/0x70
[  225.995528]  ? __switch_to_asm+0x40/0x70
[  225.999602]  ? __switch_to_asm+0x34/0x70
[  226.003675]  ? __switch_to_asm+0x40/0x70
[  226.007748]  ? __switch_to_asm+0x34/0x70
[  226.011850]  ? __switch_to_asm+0x40/0x70
[  226.015927]  ? __switch_to_asm+0x34/0x70
[  226.020002]  ? __switch_to_asm+0x34/0x70
[  226.024080]  ? __switch_to_asm+0x40/0x70
[  226.028157]  ? __switch_to_asm+0x34/0x70
[  226.032248]  bpf_clone_redirect+0xb9/0x490
[  226.036497]  ? __schedule+0x874/0x1ed0
[  226.040405]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  226.045441]  ? __sched_text_start+0x8/0x8
[  226.049604]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.054390]  ? find_held_lock+0x36/0x1c0
[  226.058474]  ? lock_acquire+0x1ed/0x520
[  226.062528]  ? bpf_test_run+0x32e/0x5a0
[  226.066522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.072165]  ? check_preemption_disabled+0x48/0x200
[  226.077208]  ? kasan_check_read+0x11/0x20
[  226.081379]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.086786]  ? rcu_bh_qs+0xc0/0xc0
[  226.090350]  ? preempt_schedule+0x4d/0x60
[  226.094513]  ? ___preempt_schedule+0x16/0x18
[  226.098950]  ? bpf_test_run+0x1c0/0x5a0
[  226.102953]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.107382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.113060]  ? bpf_test_init.isra.9+0x70/0x100
[  226.117665]  ? bpf_prog_test_run_skb+0x634/0xb40
[  226.122445]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.127309]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.132865]  ? fput+0x130/0x1a0
[  226.136161]  ? __bpf_prog_get+0x9b/0x290
[  226.140246]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.145101]  ? bpf_prog_test_run+0x130/0x1a0
[  226.149796]  ? __x64_sys_bpf+0x3d8/0x510
[  226.153880]  ? bpf_prog_get+0x20/0x20
[  226.157703]  ? ksys_ioctl+0x81/0xd0
[  226.161360]  ? do_syscall_64+0x1b9/0x820
[  226.165614]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.171151]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.176097]  ? trace_hardirqs_off+0x300/0x300
[  226.180613]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  226.185643]  ? recalc_sigpending_tsk+0x180/0x180
[  226.190418]  ? kasan_check_write+0x14/0x20
[  226.194676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.199544]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.205009] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  226.205080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.211957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.211962] Call Trace:
[  226.211969]  <IRQ>
[  226.211986]  dump_stack+0x1c4/0x2b4
[  226.212001]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.212029]  warn_alloc.cold.118+0xb7/0x1bd
[  226.218572] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.227880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.230456] syz-executor2 cpuset=
[  226.232618]  ? lock_downgrade+0x900/0x900
[  226.236231] syz2
[  226.241436]  ? trace_hardirqs_off+0xb8/0x300
[  226.245750]  mems_allowed=0
[  226.256278]  ? trace_hardirqs_off+0xb8/0x300
[  226.282595]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.287633]  ? warn_alloc+0x120/0x120
[  226.291455]  ? warn_alloc+0x120/0x120
[  226.295282]  ? print_usage_bug+0xc0/0xc0
[  226.299358]  ? warn_alloc+0x120/0x120
[  226.303175]  ? print_usage_bug+0xc0/0xc0
[  226.307273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.312834]  ? should_fail+0x22d/0xd01
[  226.316745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.322090]  ? __lock_acquire+0x7ec/0x4ec0
[  226.326346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.331462]  ? __lock_acquire+0x7ec/0x4ec0
[  226.335710]  ? should_fail+0x22d/0xd01
[  226.339625]  ? mark_held_locks+0x130/0x130
[  226.343881]  ? mark_held_locks+0x130/0x130
[  226.348132]  ? graph_lock+0x170/0x170
[  226.351959]  ? graph_lock+0x170/0x170
[  226.355819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.361496]  ? check_preemption_disabled+0x48/0x200
[  226.366531]  ? check_preemption_disabled+0x48/0x200
[  226.371597]  ? __lock_is_held+0xb5/0x140
[  226.375684]  __alloc_pages_nodemask+0xa80/0xde0
[  226.380373]  ? graph_lock+0x170/0x170
[  226.384195]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.389229]  ? graph_lock+0x170/0x170
[  226.393058]  ? find_held_lock+0x36/0x1c0
[  226.397146]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.401842]  ? lock_downgrade+0x900/0x900
[  226.406191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.411880]  cache_grow_begin+0x91/0x8c0
[  226.415965]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.420403]  fallback_alloc+0x203/0x2e0
[  226.424415]  ____cache_alloc_node+0x1c7/0x1e0
[  226.428955]  __kmalloc+0x208/0x760
[  226.432528]  ? __neigh_create+0x30b/0x2130
[  226.436817]  __neigh_create+0x30b/0x2130
[  226.440906]  ? trace_hardirqs_on+0xbd/0x310
[  226.445244]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.450821]  ? ip6t_do_table+0xd9e/0x1d30
[  226.455001]  ? mark_held_locks+0x130/0x130
[  226.459255]  ? __local_bh_enable_ip+0x160/0x260
[  226.464097]  ? neigh_hash_alloc+0x1e0/0x1e0
[  226.468448]  ? trace_hardirqs_on+0xbd/0x310
[  226.472828]  ? ip6t_do_table+0xd9e/0x1d30
[  226.476996]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.482459]  ? trace_hardirqs_on+0xbd/0x310
[  226.486833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.492393]  ? ip6t_do_table+0xd6a/0x1d30
[  226.496569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.502131]  ? check_preemption_disabled+0x48/0x200
[  226.507256]  ? check_preemption_disabled+0x48/0x200
[  226.512304]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  226.517860]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.523159]  ? rcu_pm_notify+0xc0/0xc0
[  226.527064]  ? graph_lock+0x170/0x170
[  226.530885]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  226.536114]  ip6_finish_output2+0xa59/0x27a0
[  226.540561]  ? ip6_copy_metadata+0xe30/0xe30
[  226.544998]  ? ip6_mtu+0x39c/0x520
[  226.548567]  ? lock_downgrade+0x900/0x900
[  226.552736]  ? check_preemption_disabled+0x48/0x200
[  226.557837]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  226.563660]  ? kasan_check_read+0x11/0x20
[  226.567838]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.573142]  ? rcu_bh_qs+0xc0/0xc0
[  226.576715]  ? ip6_mtu+0x160/0x520
[  226.580266]  ? dst_hold+0x2f0/0x2f0
[  226.583912]  ? kasan_check_read+0x11/0x20
[  226.588078]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.593373]  ? nf_nat_ipv6_out+0x212/0x550
[  226.597631]  ip6_finish_output+0x5fe/0xbc0
[  226.601882]  ? ip6_finish_output+0x5fe/0xbc0
[  226.606314]  ip6_output+0x23e/0xa00
[  226.609963]  ? check_preemption_disabled+0x48/0x200
[  226.615002]  ? ip6_finish_output+0xbc0/0xbc0
[  226.619430]  ? ip6_fragment+0x38c0/0x38c0
[  226.623596]  ? __lock_is_held+0xb5/0x140
[  226.627695]  ndisc_send_skb+0x1005/0x1570
[  226.631880]  ? ndisc_constructor+0xc40/0xc40
[  226.636312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.641871]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.647347]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.652931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.658498]  ndisc_send_rs+0x134/0x6e0
[  226.662415]  addrconf_rs_timer+0x3c0/0x6f0
[  226.666671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.670938]  call_timer_fn+0x272/0x920
[  226.674844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.679099]  ? process_timeout+0x40/0x40
[  226.683175]  ? find_held_lock+0x36/0x1c0
[  226.687351]  ? mark_held_locks+0xc7/0x130
[  226.691655]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.696192]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.700708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.704965]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  226.709569]  ? trace_hardirqs_on+0xbd/0x310
[  226.713934]  ? kasan_check_read+0x11/0x20
[  226.718101]  ? __run_timers+0x7da/0xc70
[  226.722093]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.727733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.732022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.736272]  __run_timers+0x7e5/0xc70
[  226.740102]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.745485]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  226.750523]  ? graph_lock+0x170/0x170
[  226.754348]  ? print_usage_bug+0xc0/0xc0
[  226.758422]  ? lock_release+0x970/0x970
[  226.762415]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  226.767625]  ? find_held_lock+0x36/0x1c0
[  226.771705]  ? graph_lock+0x170/0x170
[  226.775526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.781080]  ? check_preemption_disabled+0x48/0x200
[  226.786123]  ? __lock_is_held+0xb5/0x140
[  226.790201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.795757]  ? check_preemption_disabled+0x48/0x200
[  226.800855]  run_timer_softirq+0x52/0xb0
[  226.804933]  ? rcu_read_lock_sched_held+0x108/0x120
[  226.809972]  __do_softirq+0x30b/0xad8
[  226.813829]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.818956]  ? pvclock_read_flags+0x160/0x160
[  226.823463]  ? lapic_next_event+0x5a/0x90
[  226.827625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.833177]  ? check_preemption_disabled+0x48/0x200
[  226.838211]  ? check_preemption_disabled+0x48/0x200
[  226.843252]  ? kvm_clock_read+0x18/0x30
[  226.847366]  ? kvm_sched_clock_read+0x9/0x20
[  226.851823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.857381]  ? check_preemption_disabled+0x48/0x200
[  226.862438]  irq_exit+0x17f/0x1c0
[  226.865911]  smp_apic_timer_interrupt+0x1cb/0x760
[  226.870802]  ? smp_call_function_single_interrupt+0x650/0x650
[  226.876703]  ? interrupt_entry+0xb5/0xf0
[  226.880806]  ? trace_hardirqs_off_caller+0xbb/0x300
[  226.885908]  ? trace_hardirqs_off_caller+0xbb/0x300
[  226.890942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.895827]  ? trace_hardirqs_off+0x300/0x300
[  226.900341]  ? trace_hardirqs_off+0x300/0x300
[  226.904856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.910511]  ? check_preemption_disabled+0x48/0x200
[  226.915544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.921106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.925975]  apic_timer_interrupt+0xf/0x20
[  226.930284]  </IRQ>
[  226.932542] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  226.937842] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  226.957075] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  226.964823] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  226.972104] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  226.979569] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  226.986850] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  226.994130] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  227.001438]  ? arch_local_irq_restore+0x45/0x52
[  227.006132]  dump_stack+0x26a/0x2b4
[  227.009809]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.015022]  ? mark_held_locks+0x130/0x130
[  227.019275]  ? mark_held_locks+0x130/0x130
[  227.023533]  dump_header+0x27b/0xf72
[  227.027276]  ? pagefault_out_of_memory+0x197/0x197
[  227.032224]  ? mark_held_locks+0x130/0x130
[  227.036474]  ? __lock_acquire+0x7ec/0x4ec0
[  227.040726]  ? mem_cgroup_charge_statistics+0x780/0x780
[  227.046107]  ? print_usage_bug+0xc0/0xc0
[  227.050184]  ? print_usage_bug+0xc0/0xc0
[  227.054421]  ? graph_lock+0x170/0x170
[  227.058236]  ? graph_lock+0x170/0x170
[  227.062050]  ? print_usage_bug+0xc0/0xc0
[  227.066122]  ? print_usage_bug+0xc0/0xc0
[  227.070210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.076266]  ? find_held_lock+0x36/0x1c0
[  227.080351]  ? mark_held_locks+0xc7/0x130
[  227.084607]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  227.089734]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  227.094883]  ? lockdep_hardirqs_on+0x421/0x5c0
[  227.099481]  ? trace_hardirqs_on+0xbd/0x310
[  227.103834]  ? kasan_check_read+0x11/0x20
[  227.107998]  ? ___ratelimit+0x36f/0x655
[  227.112078]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.117634]  ? trace_hardirqs_on+0x310/0x310
[  227.122063]  ? lock_downgrade+0x900/0x900
[  227.126383]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.131508]  ? ___ratelimit+0xaa/0x655
[  227.135416]  ? idr_get_free+0xec0/0xec0
[  227.139409]  ? kasan_check_write+0x14/0x20
[  227.143661]  ? do_raw_spin_lock+0xc1/0x200
[  227.147923]  oom_kill_process.cold.27+0x10/0x903
[  227.152698]  ? graph_lock+0x170/0x170
[  227.156515]  ? _raw_spin_unlock+0x2c/0x50
[  227.160680]  ? oom_badness+0xe6/0xaa0
[  227.164502]  ? oom_evaluate_task+0x540/0x540
[  227.168995]  ? find_held_lock+0x36/0x1c0
[  227.173081]  ? out_of_memory+0x974/0x14c0
[  227.177245]  ? lock_downgrade+0x900/0x900
[  227.181409]  ? check_preemption_disabled+0x48/0x200
[  227.186449]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.192265]  ? kasan_check_read+0x11/0x20
[  227.196429]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.201725]  ? rcu_bh_qs+0xc0/0xc0
[  227.205555]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.210589]  ? oom_evaluate_task+0x302/0x540
[  227.215018]  out_of_memory+0xa86/0x14c0
[  227.219122]  ? oom_killer_disable+0x3a0/0x3a0
[  227.223632]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  227.228582]  ? __mutex_add_waiter+0x2a0/0x2a0
[  227.233105]  __alloc_pages_slowpath+0x2318/0x2d80
[  227.237996]  ? warn_alloc+0x120/0x120
[  227.241855]  ? find_get_entry+0x2f2/0xc40
[  227.246027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.251586]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  227.256529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.262181]  ? should_fail+0x22d/0xd01
[  227.266088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.271210]  ? __lock_is_held+0xb5/0x140
[  227.275313]  ? __lock_is_held+0xb5/0x140
[  227.279396]  ? find_held_lock+0x36/0x1c0
[  227.283479]  ? ___might_sleep+0x1ed/0x300
[  227.287653]  ? lock_release+0x970/0x970
[  227.291736]  ? arch_local_save_flags+0x40/0x40
[  227.296402]  ? __might_sleep+0x95/0x190
[  227.300397]  __alloc_pages_nodemask+0xa80/0xde0
[  227.305093]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.310129]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.315944]  ? kasan_check_read+0x11/0x20
[  227.320109]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.325494]  ? graph_lock+0x170/0x170
[  227.329437]  ? print_usage_bug+0xc0/0xc0
[  227.333527]  ? graph_lock+0x170/0x170
[  227.337355]  ? graph_lock+0x170/0x170
[  227.341175]  ? __do_page_cache_readahead+0x7ce/0x980
[  227.346301]  ? find_held_lock+0x36/0x1c0
[  227.350388]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  227.355946]  alloc_pages_current+0x10c/0x210
[  227.360368]  ? lock_downgrade+0x900/0x900
[  227.364535]  __page_cache_alloc+0x38f/0x5b0
[  227.368873]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.374686]  ? kasan_check_read+0x11/0x20
[  227.378852]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.384149]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  227.388838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.394395]  ? check_preemption_disabled+0x48/0x200
[  227.399571]  filemap_fault+0x1594/0x25f0
[  227.403663]  ? __lock_page_or_retry+0xa00/0xa00
[  227.408351]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.414163]  ? kasan_check_read+0x11/0x20
[  227.418441]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.423736]  ? rcu_bh_qs+0xc0/0xc0
[  227.427340]  ? filemap_map_pages+0xdea/0x1980
[  227.431864]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.436994]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  227.442286]  ? debug_object_free+0x325/0x690
[  227.446718]  ? find_get_pages_range_tag+0x1320/0x1320
[  227.451929]  ? graph_lock+0x170/0x170
[  227.455759]  ? kasan_check_read+0x11/0x20
[  227.459955]  ? debug_object_destroy+0x2b0/0x2b0
[  227.464652]  ? lock_acquire+0x1ed/0x520
[  227.468641]  ? ext4_filemap_fault+0x7a/0xad
[  227.472986]  ? lock_release+0x970/0x970
[  227.476981]  ? arch_local_save_flags+0x40/0x40
[  227.481603]  ? futex_wait_setup+0x3e0/0x3e0
[  227.486098]  ? down_read+0xb0/0x1d0
[  227.489742]  ? ext4_filemap_fault+0x7a/0xad
[  227.494110]  ? __down_interruptible+0x700/0x700
[  227.498845]  ext4_filemap_fault+0x82/0xad
[  227.503012]  __do_fault+0x100/0x6b0
[  227.506660]  ? print_bad_pte+0x6c0/0x6c0
[  227.510740]  ? do_futex+0x249/0x26d0
[  227.514503]  ? pmd_val+0x88/0x100
[  227.517974]  ? add_mm_counter_fast+0xd0/0xd0
[  227.522395]  ? pmd_val+0x88/0x100
[  227.525865]  ? add_mm_counter_fast+0xd0/0xd0
[  227.530294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.535857]  __handle_mm_fault+0x3709/0x53e0
[  227.540290]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  227.545153]  ? graph_lock+0x170/0x170
[  227.548971]  ? print_usage_bug+0xc0/0xc0
[  227.553051]  ? graph_lock+0x170/0x170
[  227.556864]  ? graph_lock+0x170/0x170
[  227.560701]  ? handle_mm_fault+0x42a/0xc70
[  227.564950]  ? lock_downgrade+0x900/0x900
[  227.569115]  ? check_preemption_disabled+0x48/0x200
[  227.574155]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.579967]  ? kasan_check_read+0x11/0x20
[  227.584135]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.589426]  ? rcu_bh_qs+0xc0/0xc0
[  227.592983]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.598455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.604013]  ? check_preemption_disabled+0x48/0x200
[  227.609057]  handle_mm_fault+0x54f/0xc70
[  227.613143]  ? __handle_mm_fault+0x53e0/0x53e0
[  227.617749]  ? find_vma+0x34/0x190
[  227.621379]  __do_page_fault+0x67d/0xed0
[  227.625473]  ? mm_fault_error+0x380/0x380
[  227.629643]  ? trace_hardirqs_off+0xb8/0x300
[  227.634071]  ? trace_hardirqs_on+0x310/0x310
[  227.638502]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  227.643887]  ? trace_hardirqs_on+0x310/0x310
[  227.648324]  do_page_fault+0xf2/0x7e0
[  227.652145]  ? vmalloc_sync_all+0x30/0x30
[  227.656320]  ? error_entry+0x70/0xd0
[  227.660060]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.665095]  ? trace_hardirqs_on_caller+0xc0/0x300
[  227.670042]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.674987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.679848]  ? trace_hardirqs_off+0x300/0x300
[  227.684733]  ? trace_hardirqs_off_caller+0x300/0x300
[  227.689891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  227.695106]  ? page_fault+0x8/0x30
[  227.698668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.703534]  ? page_fault+0x8/0x30
[  227.707097]  page_fault+0x1e/0x30
[  227.710567] RIP: 0033:0x40f9c0
[  227.713808] Code: Bad RIP value.
[  227.717185] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  227.722564] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  227.729849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  227.737228] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  227.744515] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  227.751821] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  227.759134] warn_alloc_show_mem: 1 callbacks suppressed
[  227.759146] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  227.759148] Mem-Info:
[  227.759180] active_anon:52539 inactive_anon:923 isolated_anon:0
[  227.759180]  active_file:16 inactive_file:19 isolated_file:0
[  227.759180]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.759180]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  227.759180]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  227.759180]  free:13650 free_pcp:205 free_cma:0
[  227.764534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.764542] Call Trace:
[  227.771941] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.774359]  <IRQ>
[  227.807340] Node 0 
[  227.816723]  dump_stack+0x1c4/0x2b4
[  227.819325] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.847331]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.849471] lowmem_reserve[]:
[  227.851734]  warn_alloc.cold.118+0xb7/0x1bd
[  227.855335]  0
[  227.881271]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.886452]  2817
[  227.889570]  ? lock_downgrade+0x900/0x900
[  227.893872]  6321 6321
[  227.895704]  ? trace_hardirqs_off+0xb8/0x300
[  227.900531] Node 0 
[  227.902610]  ? trace_hardirqs_off+0xb8/0x300
[  227.906797] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  227.909284]  __alloc_pages_slowpath+0x2667/0x2d80
[  227.913670] lowmem_reserve[]: 0
[  227.915956]  ? warn_alloc+0x120/0x120
[  227.920407]  0 3503
[  227.947510]  ? warn_alloc+0x120/0x120
[  227.952376]  3503
[  227.955670]  ? print_usage_bug+0xc0/0xc0
[  227.959463] Node 0 
[  227.961713]  ? warn_alloc+0x120/0x120
[  227.965526] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  227.967572]  ? print_usage_bug+0xc0/0xc0
[  227.971612] lowmem_reserve[]: 0
[  227.973876]  ? __lock_acquire+0x7ec/0x4ec0
[  227.977658]  0 0
[  228.006046]  ? __lock_acquire+0x7ec/0x4ec0
[  228.010277]  0
[  228.013572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.017818] Node 0 
[  228.019893]  ? should_fail+0x22d/0xd01
[  228.024114] DMA: 
[  228.025926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.031450] 1*4kB 
[  228.033695]  ? __lock_acquire+0x7ec/0x4ec0
[  228.037562] (U) 0*8kB 
[  228.039642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.044798] 0*16kB 1*32kB 
[  228.046970]  ? __lock_acquire+0x7ec/0x4ec0
[  228.051188] (U) 2*64kB 
[  228.053703]  ? should_fail+0x22d/0xd01
[  228.058812] (U) 1*128kB 
[  228.061677]  ? mark_held_locks+0x130/0x130
[  228.065895] (U) 
[  228.068485]  ? mark_held_locks+0x130/0x130
[  228.072354] 1*256kB (U) 
[  228.075041]  ? graph_lock+0x170/0x170
[  228.079264] 0*512kB 1*1024kB 
[  228.081406]  ? graph_lock+0x170/0x170
[  228.085634] (U) 1*2048kB 
[  228.088322]  ? graph_lock+0x170/0x170
[  228.092109] (M) 3*4096kB 
[  228.095232]  ? print_usage_bug+0xc0/0xc0
[  228.099014] (M) = 15908kB
[  228.101812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.101828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.105622] Node 0 
[  228.108391]  ? check_preemption_disabled+0x48/0x200
[  228.112545] DMA32: 2*4kB 
[  228.115329]  ? check_preemption_disabled+0x48/0x200
[  228.120851] (M) 
[  228.126402]  ? __lock_is_held+0xb5/0x140
[  228.128621] 1*8kB 
[  228.133661]  __alloc_pages_nodemask+0xa80/0xde0
[  228.136405] (U) 
[  228.141430]  ? graph_lock+0x170/0x170
[  228.143402] 4*16kB 
[  228.147560]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.149953] (UM) 2*32kB 
[  228.154640]  ? graph_lock+0x170/0x170
[  228.156606] (UM) 
[  228.160424]  ? find_held_lock+0x36/0x1c0
[  228.162711] 3*64kB 
[  228.167739]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.170386] (UM) 4*128kB 
[  228.174203]  ? lock_downgrade+0x900/0x900
[  228.176251] (UM) 2*256kB 
[  228.180336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.182550] (M) 4*512kB 
[  228.187239]  cache_grow_begin+0x91/0x8c0
[  228.189979] (UM) 3*1024kB 
[  228.194232]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.196978] (M) 
[  228.202718]  fallback_alloc+0x203/0x2e0
[  228.205375] 1*2048kB 
[  228.209579]  ____cache_alloc_node+0x1c7/0x1e0
[  228.212411] (M) 
[  228.216843]  kmem_cache_alloc_node+0xe3/0x730
[  228.218822] 4*4096kB (M) 
[  228.222951]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.225349] = 24912kB
[  228.229857]  __alloc_skb+0x119/0x770
[  228.231838] Node 0 
[  228.236345]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.239218] Normal: 
[  228.243536]  ? skb_scrub_packet+0x490/0x490
[  228.245937] 2389*4kB 
[  228.249657]  ? lock_downgrade+0x900/0x900
[  228.251878] (UME) 378*8kB 
[  228.257205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.259603] (UME) 
[  228.264083]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.266474] 73*16kB (UM) 
[  228.270639]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.273467] 1*32kB (U) 
[  228.279145]  ? addrconf_rs_timer+0x6f0/0x6f0
[  228.281284] 0*64kB 
[  228.286751]  ndisc_alloc_skb+0x144/0x340
[  228.289487] 0*128kB 0*256kB 
[  228.294953]  ndisc_send_rs+0x331/0x6e0
[  228.297532] 0*512kB 0*1024kB 
[  228.301963]  addrconf_rs_timer+0x3c0/0x6f0
[  228.304179] 0*2048kB 0*4096kB 
[  228.308258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.311263] = 13780kB
[  228.311276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.315182]  call_timer_fn+0x272/0x920
[  228.318270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.318279] 4510 total pagecache pages
[  228.322526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.325718] 0 pages in swap cache
[  228.330234]  ? process_timeout+0x40/0x40
[  228.332635] Swap cache stats: add 0, delete 0, find 0/0
[  228.332644] Free swap  = 0kB
[  228.341487]  ? find_held_lock+0x36/0x1c0
[  228.341510]  ? __run_timers+0x7da/0xc70
[  228.345380] Total swap = 0kB
[  228.345388] 1965979 pages RAM
[  228.354006]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.357876] 0 pages HighMem/MovableOnly
[  228.357885] 342744 pages reserved
[  228.362131]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.365574] 0 pages cma reserved
[  228.369641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.369659]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  228.375296] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.378172]  ? trace_hardirqs_on+0xbd/0x310
[  228.382224] syz-fuzzer cpuset=
[  228.386210]  ? kasan_check_read+0x11/0x20
[  228.389215] /
[  228.392396]  ? __run_timers+0x7da/0xc70
[  228.396882]  mems_allowed=0
[  228.400862]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.457333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.461599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.465959]  __run_timers+0x7e5/0xc70
[  228.470091]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.475478]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.480808]  ? rcu_bh_qs+0xc0/0xc0
[  228.484377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.489937]  ? check_preemption_disabled+0x48/0x200
[  228.495109]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.499890]  ? retint_kernel+0x2d/0x2d
[  228.503818]  ? trace_hardirqs_on_caller+0xc0/0x300
[  228.508793]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.513573]  ? trace_hardirqs_off_caller+0x300/0x300
[  228.518697]  ? check_preemption_disabled+0x48/0x200
[  228.523726]  ? graph_lock+0x170/0x170
[  228.527549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.533107]  ? check_preemption_disabled+0x48/0x200
[  228.538153]  ? __lock_is_held+0xb5/0x140
[  228.542237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.547819]  ? check_preemption_disabled+0x48/0x200
[  228.552864]  run_timer_softirq+0x52/0xb0
[  228.556943]  ? rcu_read_lock_sched_held+0x108/0x120
[  228.561979]  __do_softirq+0x30b/0xad8
[  228.565836]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.570961]  ? pvclock_read_flags+0x160/0x160
[  228.575475]  ? lapic_next_event+0x5a/0x90
[  228.579643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.585202]  ? check_preemption_disabled+0x48/0x200
[  228.590232]  ? check_preemption_disabled+0x48/0x200
[  228.595267]  ? kvm_clock_read+0x18/0x30
[  228.599258]  ? kvm_sched_clock_read+0x9/0x20
[  228.603696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.609250]  ? check_preemption_disabled+0x48/0x200
[  228.614296]  irq_exit+0x17f/0x1c0
[  228.617760]  smp_apic_timer_interrupt+0x1cb/0x760
[  228.622625]  ? smp_reschedule_interrupt+0x109/0x650
[  228.627653]  ? smp_call_function_single_interrupt+0x650/0x650
[  228.633543]  ? interrupt_entry+0xb5/0xf0
[  228.637617]  ? trace_hardirqs_off_caller+0xbb/0x300
[  228.642637]  ? trace_hardirqs_off_caller+0xbb/0x300
[  228.647656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.652503]  ? trace_hardirqs_off+0x300/0x300
[  228.656996]  ? trace_hardirqs_off+0x300/0x300
[  228.661493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.667035]  ? check_preemption_disabled+0x48/0x200
[  228.672052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.677599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.682458]  apic_timer_interrupt+0xf/0x20
[  228.686691]  </IRQ>
[  228.688933] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  228.693880] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  228.712801] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  228.720518] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  228.727789] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  228.735061] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  228.742341] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  228.749611] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  228.756924]  skb_clone+0x1bb/0x500
[  228.760469]  ? finish_task_switch+0x2f5/0x900
[  228.764969]  ? skb_split+0x11e0/0x11e0
[  228.768862]  ? preempt_notifier_register+0x200/0x200
[  228.773963]  ? __switch_to_asm+0x34/0x70
[  228.778024]  ? __switch_to_asm+0x34/0x70
[  228.782082]  ? __switch_to_asm+0x40/0x70
[  228.786140]  ? __switch_to_asm+0x34/0x70
[  228.790199]  ? __switch_to_asm+0x40/0x70
[  228.794260]  ? __switch_to_asm+0x34/0x70
[  228.798340]  ? __switch_to_asm+0x40/0x70
[  228.802398]  ? __switch_to_asm+0x34/0x70
[  228.806461]  ? __switch_to_asm+0x34/0x70
[  228.810522]  ? __switch_to_asm+0x40/0x70
[  228.814585]  ? __switch_to_asm+0x34/0x70
[  228.818654]  bpf_clone_redirect+0xb9/0x490
[  228.822892]  ? __schedule+0x874/0x1ed0
[  228.826797]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  228.831820]  ? __sched_text_start+0x8/0x8
[  228.835970]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.840747]  ? find_held_lock+0x36/0x1c0
[  228.844830]  ? lock_acquire+0x1ed/0x520
[  228.848813]  ? bpf_test_run+0x32e/0x5a0
[  228.852813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.858359]  ? check_preemption_disabled+0x48/0x200
[  228.863383]  ? kasan_check_read+0x11/0x20
[  228.867535]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.872818]  ? rcu_bh_qs+0xc0/0xc0
[  228.876363]  ? preempt_schedule+0x4d/0x60
[  228.880562]  ? ___preempt_schedule+0x16/0x18
[  228.884994]  ? bpf_test_run+0x1c0/0x5a0
[  228.888999]  ? netlink_diag_dump+0x2a0/0x2a0
[  228.893423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.898977]  ? bpf_test_init.isra.9+0x70/0x100
[  228.903569]  ? bpf_prog_test_run_skb+0x634/0xb40
[  228.908338]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.913190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.918729]  ? fput+0x130/0x1a0
[  228.922011]  ? __bpf_prog_get+0x9b/0x290
[  228.926078]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.930924]  ? bpf_prog_test_run+0x130/0x1a0
[  228.935342]  ? __x64_sys_bpf+0x3d8/0x510
[  228.939411]  ? bpf_prog_get+0x20/0x20
[  228.943223]  ? ksys_ioctl+0x81/0xd0
[  228.946863]  ? do_syscall_64+0x1b9/0x820
[  228.950928]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  228.956305]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.961241]  ? trace_hardirqs_off+0x300/0x300
[  228.965746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  228.970780]  ? recalc_sigpending_tsk+0x180/0x180
[  228.975585]  ? kasan_check_write+0x14/0x20
[  228.979830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.984684]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  228.990073] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  228.990156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.997003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.997009] Call Trace:
[  228.997015]  <IRQ>
[  228.997034]  dump_stack+0x1c4/0x2b4
[  228.997048]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.997074]  warn_alloc.cold.118+0xb7/0x1bd
[  228.997091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.003716] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.012956]  ? lock_downgrade+0x900/0x900
[  229.015522] syz-executor2 cpuset=
[  229.017670]  ? trace_hardirqs_off+0xb8/0x300
[  229.021281] syz2
[  229.026476]  ? trace_hardirqs_off+0xb8/0x300
[  229.030780]  mems_allowed=0
[  229.035632]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.072200]  ? warn_alloc+0x120/0x120
[  229.076445]  ? warn_alloc+0x120/0x120
[  229.080249]  ? print_usage_bug+0xc0/0xc0
[  229.084319]  ? warn_alloc+0x120/0x120
[  229.088121]  ? print_usage_bug+0xc0/0xc0
[  229.092186]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.097394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.102935]  ? should_fail+0x22d/0xd01
[  229.106831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.111938]  ? __lock_acquire+0x7ec/0x4ec0
[  229.116185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.121291]  ? __lock_acquire+0x7ec/0x4ec0
[  229.125550]  ? should_fail+0x22d/0xd01
[  229.129496]  ? mark_held_locks+0x130/0x130
[  229.133738]  ? mark_held_locks+0x130/0x130
[  229.137991]  ? graph_lock+0x170/0x170
[  229.141815]  ? graph_lock+0x170/0x170
[  229.145622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.151169]  ? check_preemption_disabled+0x48/0x200
[  229.156190]  ? check_preemption_disabled+0x48/0x200
[  229.161223]  ? __lock_is_held+0xb5/0x140
[  229.165293]  __alloc_pages_nodemask+0xa80/0xde0
[  229.169965]  ? graph_lock+0x170/0x170
[  229.173780]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.178807]  ? graph_lock+0x170/0x170
[  229.182629]  ? find_held_lock+0x36/0x1c0
[  229.186702]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.191384]  ? lock_downgrade+0x900/0x900
[  229.195541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.201093]  cache_grow_begin+0x91/0x8c0
[  229.205418]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.209835]  fallback_alloc+0x203/0x2e0
[  229.213824]  ____cache_alloc_node+0x1c7/0x1e0
[  229.218326]  __kmalloc+0x208/0x760
[  229.221878]  ? __neigh_create+0x30b/0x2130
[  229.226118]  __neigh_create+0x30b/0x2130
[  229.230187]  ? trace_hardirqs_on+0xbd/0x310
[  229.234508]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.240046]  ? ip6t_do_table+0xd9e/0x1d30
[  229.244203]  ? mark_held_locks+0x130/0x130
[  229.248437]  ? __local_bh_enable_ip+0x160/0x260
[  229.253109]  ? neigh_hash_alloc+0x1e0/0x1e0
[  229.257428]  ? trace_hardirqs_on+0xbd/0x310
[  229.261755]  ? ip6t_do_table+0xd9e/0x1d30
[  229.265915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.271366]  ? trace_hardirqs_on+0xbd/0x310
[  229.275702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.281243]  ? ip6t_do_table+0xd6a/0x1d30
[  229.285395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.290940]  ? check_preemption_disabled+0x48/0x200
[  229.295974]  ? check_preemption_disabled+0x48/0x200
[  229.300999]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  229.306540]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.311825]  ? rcu_pm_notify+0xc0/0xc0
[  229.315712]  ? graph_lock+0x170/0x170
[  229.319514]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  229.324715]  ip6_finish_output2+0xa59/0x27a0
[  229.329136]  ? ip6_copy_metadata+0xe30/0xe30
[  229.333546]  ? ip6_mtu+0x39c/0x520
[  229.337090]  ? lock_downgrade+0x900/0x900
[  229.341242]  ? check_preemption_disabled+0x48/0x200
[  229.346268]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.352067]  ? kasan_check_read+0x11/0x20
[  229.356220]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.361500]  ? rcu_bh_qs+0xc0/0xc0
[  229.365053]  ? ip6_mtu+0x160/0x520
[  229.368605]  ? kasan_check_read+0x11/0x20
[  229.372758]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.378048]  ? nf_nat_ipv6_out+0x212/0x550
[  229.382305]  ip6_finish_output+0x5fe/0xbc0
[  229.386540]  ? ip6_finish_output+0x5fe/0xbc0
[  229.390956]  ip6_output+0x23e/0xa00
[  229.394600]  ? check_preemption_disabled+0x48/0x200
[  229.399618]  ? ip6_finish_output+0xbc0/0xbc0
[  229.404037]  ? ip6_fragment+0x38c0/0x38c0
[  229.408190]  ? __lock_is_held+0xb5/0x140
[  229.412282]  ndisc_send_skb+0x1005/0x1570
[  229.416445]  ? ndisc_constructor+0xc40/0xc40
[  229.420859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.426397]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.431857]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.437333]  ndisc_send_rs+0x134/0x6e0
[  229.441238]  addrconf_rs_timer+0x3c0/0x6f0
[  229.445482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.449732]  call_timer_fn+0x272/0x920
[  229.453632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.457867]  ? process_timeout+0x40/0x40
[  229.461930]  ? find_held_lock+0x36/0x1c0
[  229.465998]  ? mark_held_locks+0xc7/0x130
[  229.470152]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.474648]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.479142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.483380]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  229.487965]  ? trace_hardirqs_on+0xbd/0x310
[  229.492285]  ? kasan_check_read+0x11/0x20
[  229.496438]  ? __run_timers+0x7da/0xc70
[  229.500421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.505883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.510128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.514362]  __run_timers+0x7e5/0xc70
[  229.518176]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.523541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.528559]  ? graph_lock+0x170/0x170
[  229.532366]  ? print_usage_bug+0xc0/0xc0
[  229.536426]  ? lock_release+0x970/0x970
[  229.540402]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.545600]  ? find_held_lock+0x36/0x1c0
[  229.549680]  ? graph_lock+0x170/0x170
[  229.553515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.559059]  ? check_preemption_disabled+0x48/0x200
[  229.564118]  ? __lock_is_held+0xb5/0x140
[  229.568183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.573720]  ? check_preemption_disabled+0x48/0x200
[  229.578757]  run_timer_softirq+0x52/0xb0
[  229.582833]  ? rcu_read_lock_sched_held+0x108/0x120
[  229.587851]  __do_softirq+0x30b/0xad8
[  229.591666]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.596791]  ? pvclock_read_flags+0x160/0x160
[  229.601291]  ? lapic_next_event+0x5a/0x90
[  229.605443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.610981]  ? check_preemption_disabled+0x48/0x200
[  229.616000]  ? check_preemption_disabled+0x48/0x200
[  229.621021]  ? kvm_clock_read+0x18/0x30
[  229.624995]  ? kvm_sched_clock_read+0x9/0x20
[  229.629406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.634946]  ? check_preemption_disabled+0x48/0x200
[  229.639999]  irq_exit+0x17f/0x1c0
[  229.643460]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.649007]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.654890]  ? interrupt_entry+0xb5/0xf0
[  229.658952]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.664056]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.669073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.673918]  ? trace_hardirqs_off+0x300/0x300
[  229.678415]  ? trace_hardirqs_off+0x300/0x300
[  229.682911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.688453]  ? check_preemption_disabled+0x48/0x200
[  229.693469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.699018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.703871]  apic_timer_interrupt+0xf/0x20
[  229.708098]  </IRQ>
[  229.710335] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  229.715614] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  229.734627] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  229.742339] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  229.749607] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  229.756872] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  229.764137] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  229.771405] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  229.778693]  ? arch_local_irq_restore+0x45/0x52
[  229.783371]  dump_stack+0x26a/0x2b4
[  229.787002]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.792199]  ? mark_held_locks+0x130/0x130
[  229.796431]  ? mark_held_locks+0x130/0x130
[  229.800670]  dump_header+0x27b/0xf72
[  229.804395]  ? pagefault_out_of_memory+0x197/0x197
[  229.809332]  ? mark_held_locks+0x130/0x130
[  229.813565]  ? __lock_acquire+0x7ec/0x4ec0
[  229.817817]  ? mem_cgroup_charge_statistics+0x780/0x780
[  229.823180]  ? print_usage_bug+0xc0/0xc0
[  229.827245]  ? print_usage_bug+0xc0/0xc0
[  229.831315]  ? graph_lock+0x170/0x170
[  229.835116]  ? graph_lock+0x170/0x170
[  229.838915]  ? print_usage_bug+0xc0/0xc0
[  229.842974]  ? print_usage_bug+0xc0/0xc0
[  229.847044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.852590]  ? find_held_lock+0x36/0x1c0
[  229.856661]  ? mark_held_locks+0xc7/0x130
[  229.860821]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  229.865922]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  229.871028]  ? lockdep_hardirqs_on+0x421/0x5c0
[  229.875610]  ? trace_hardirqs_on+0xbd/0x310
[  229.879935]  ? kasan_check_read+0x11/0x20
[  229.884083]  ? ___ratelimit+0x36f/0x655
[  229.888057]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.893519]  ? trace_hardirqs_on+0x310/0x310
[  229.897929]  ? lock_downgrade+0x900/0x900
[  229.902106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.907211]  ? ___ratelimit+0xaa/0x655
[  229.911101]  ? idr_get_free+0xec0/0xec0
[  229.915079]  ? kasan_check_write+0x14/0x20
[  229.919320]  ? do_raw_spin_lock+0xc1/0x200
[  229.923562]  oom_kill_process.cold.27+0x10/0x903
[  229.928322]  ? graph_lock+0x170/0x170
[  229.932123]  ? _raw_spin_unlock+0x2c/0x50
[  229.936268]  ? oom_badness+0xe6/0xaa0
[  229.940074]  ? oom_evaluate_task+0x540/0x540
[  229.944485]  ? find_held_lock+0x36/0x1c0
[  229.948559]  ? out_of_memory+0x974/0x14c0
[  229.952712]  ? lock_downgrade+0x900/0x900
[  229.956872]  ? check_preemption_disabled+0x48/0x200
[  229.961909]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.967711]  ? kasan_check_read+0x11/0x20
[  229.971860]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.977138]  ? rcu_bh_qs+0xc0/0xc0
[  229.980683]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.985696]  ? oom_evaluate_task+0x302/0x540
[  229.990108]  out_of_memory+0xa86/0x14c0
[  229.994096]  ? oom_killer_disable+0x3a0/0x3a0
[  229.998590]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  230.003522]  ? __mutex_add_waiter+0x2a0/0x2a0
[  230.008053]  __alloc_pages_slowpath+0x2318/0x2d80
[  230.012926]  ? warn_alloc+0x120/0x120
[  230.016744]  ? find_get_entry+0x2f2/0xc40
[  230.020913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.026490]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  230.031422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.036958]  ? should_fail+0x22d/0xd01
[  230.040851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.045955]  ? __lock_is_held+0xb5/0x140
[  230.050043]  ? __lock_is_held+0xb5/0x140
[  230.054110]  ? find_held_lock+0x36/0x1c0
[  230.058798]  ? ___might_sleep+0x1ed/0x300
[  230.062945]  ? lock_release+0x970/0x970
[  230.066928]  ? arch_local_save_flags+0x40/0x40
[  230.071523]  ? __might_sleep+0x95/0x190
[  230.075501]  __alloc_pages_nodemask+0xa80/0xde0
[  230.080179]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.085200]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.091000]  ? kasan_check_read+0x11/0x20
[  230.095148]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.100437]  ? graph_lock+0x170/0x170
[  230.104242]  ? print_usage_bug+0xc0/0xc0
[  230.108307]  ? graph_lock+0x170/0x170
[  230.112107]  ? graph_lock+0x170/0x170
[  230.115907]  ? __do_page_cache_readahead+0x7ce/0x980
[  230.121015]  ? find_held_lock+0x36/0x1c0
[  230.125080]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  230.130625]  alloc_pages_current+0x10c/0x210
[  230.135031]  ? lock_downgrade+0x900/0x900
[  230.139186]  __page_cache_alloc+0x38f/0x5b0
[  230.143508]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.149308]  ? kasan_check_read+0x11/0x20
[  230.153460]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.158739]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  230.163414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.168954]  ? check_preemption_disabled+0x48/0x200
[  230.173977]  filemap_fault+0x1594/0x25f0
[  230.178054]  ? __lock_page_or_retry+0xa00/0xa00
[  230.182726]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.188523]  ? kasan_check_read+0x11/0x20
[  230.192671]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.197965]  ? rcu_bh_qs+0xc0/0xc0
[  230.201519]  ? filemap_map_pages+0xdea/0x1980
[  230.206031]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.211139]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  230.216417]  ? debug_object_free+0x325/0x690
[  230.220827]  ? find_get_pages_range_tag+0x1320/0x1320
[  230.226025]  ? graph_lock+0x170/0x170
[  230.229834]  ? kasan_check_read+0x11/0x20
[  230.233984]  ? debug_object_destroy+0x2b0/0x2b0
[  230.238690]  ? lock_acquire+0x1ed/0x520
[  230.242668]  ? ext4_filemap_fault+0x7a/0xad
[  230.246993]  ? lock_release+0x970/0x970
[  230.250967]  ? arch_local_save_flags+0x40/0x40
[  230.255557]  ? futex_wait_setup+0x3e0/0x3e0
[  230.259892]  ? down_read+0xb0/0x1d0
[  230.263516]  ? ext4_filemap_fault+0x7a/0xad
[  230.267837]  ? __down_interruptible+0x700/0x700
[  230.272526]  ext4_filemap_fault+0x82/0xad
[  230.276680]  __do_fault+0x100/0x6b0
[  230.280314]  ? print_bad_pte+0x6c0/0x6c0
[  230.284375]  ? do_futex+0x249/0x26d0
[  230.288092]  ? pmd_val+0x88/0x100
[  230.291545]  ? add_mm_counter_fast+0xd0/0xd0
[  230.295951]  ? pmd_val+0x88/0x100
[  230.299406]  ? add_mm_counter_fast+0xd0/0xd0
[  230.303829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.309402]  __handle_mm_fault+0x3709/0x53e0
[  230.313826]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  230.318672]  ? graph_lock+0x170/0x170
[  230.322476]  ? print_usage_bug+0xc0/0xc0
[  230.326547]  ? graph_lock+0x170/0x170
[  230.330349]  ? graph_lock+0x170/0x170
[  230.334171]  ? handle_mm_fault+0x42a/0xc70
[  230.338407]  ? lock_downgrade+0x900/0x900
[  230.342569]  ? check_preemption_disabled+0x48/0x200
[  230.347594]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.353390]  ? kasan_check_read+0x11/0x20
[  230.357538]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.362816]  ? rcu_bh_qs+0xc0/0xc0
[  230.366357]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.371826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.377387]  ? check_preemption_disabled+0x48/0x200
[  230.382409]  handle_mm_fault+0x54f/0xc70
[  230.386477]  ? __handle_mm_fault+0x53e0/0x53e0
[  230.391061]  ? find_vma+0x34/0x190
[  230.394607]  __do_page_fault+0x67d/0xed0
[  230.398675]  ? mm_fault_error+0x380/0x380
[  230.402821]  ? trace_hardirqs_off+0xb8/0x300
[  230.407227]  ? trace_hardirqs_on+0x310/0x310
[  230.411634]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  230.417001]  ? trace_hardirqs_on+0x310/0x310
[  230.421417]  do_page_fault+0xf2/0x7e0
[  230.425222]  ? vmalloc_sync_all+0x30/0x30
[  230.429383]  ? error_entry+0x70/0xd0
[  230.433099]  ? trace_hardirqs_off_caller+0xbb/0x300
[  230.438116]  ? trace_hardirqs_on_caller+0xc0/0x300
[  230.443046]  ? syscall_return_slowpath+0x5e0/0x5e0
[  230.447974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.452818]  ? trace_hardirqs_off+0x300/0x300
[  230.457313]  ? trace_hardirqs_off_caller+0x300/0x300
[  230.462425]  ? prepare_exit_to_usermode+0x291/0x3b0
[  230.467443]  ? page_fault+0x8/0x30
[  230.470999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.475848]  ? page_fault+0x8/0x30
[  230.479390]  page_fault+0x1e/0x30
[  230.482845] RIP: 0033:0x40f9c0
[  230.486041] Code: Bad RIP value.
[  230.489399] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  230.494773] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  230.502044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  230.509316] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  230.516584] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  230.523852] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  230.531150] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  230.531156] warn_alloc_show_mem: 1 callbacks suppressed
[  230.531162] Mem-Info:
[  230.538437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.543817] active_anon:52539 inactive_anon:923 isolated_anon:0
[  230.543817]  active_file:16 inactive_file:19 isolated_file:0
[  230.543817]  unevictable:0 dirty:0 writeback:0 unstable:0
[  230.543817]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  230.543817]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  230.543817]  free:13650 free_pcp:205 free_cma:0
[  230.546183] Call Trace:
[  230.555573] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.588500]  <IRQ>
[  230.591074] Node 0 
[  230.618826]  dump_stack+0x1c4/0x2b4
[  230.620972] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  230.623178]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.626793] lowmem_reserve[]:
[  230.652305]  warn_alloc.cold.118+0xb7/0x1bd
[  230.657458]  0
[  230.660559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.664855]  2817
[  230.666669]  ? lock_downgrade+0x900/0x900
[  230.671486]  6321
[  230.673563]  ? trace_hardirqs_off+0xb8/0x300
[  230.677679]  6321
[  230.679737]  ? trace_hardirqs_off+0xb8/0x300
[  230.684122] Node 0 
[  230.686183]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.690584] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  230.692828]  ? warn_alloc+0x120/0x120
[  230.697626] lowmem_reserve[]: 0
[  230.724603]  ? trace_hardirqs_on+0x310/0x310
[  230.728376]  0
[  230.731643]  ? warn_alloc+0x120/0x120
[  230.736027]  3503
[  230.737828]  ? print_usage_bug+0xc0/0xc0
[  230.741593]  3503
[  230.743662]  ? warn_alloc+0x120/0x120
[  230.747697] Node 0 
[  230.749757]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.753561] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  230.755771]  ? print_usage_bug+0xc0/0xc0
[  230.760755] lowmem_reserve[]: 0
[  230.789136]  ? __lock_acquire+0x7ec/0x4ec0
[  230.793163]  0 0
[  230.796440]  ? __lock_acquire+0x7ec/0x4ec0
[  230.800648]  0
[  230.802634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.806840] Node 0 
[  230.808637]  ? should_fail+0x22d/0xd01
[  230.814142] DMA: 1*4kB 
[  230.816380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.820242] (U) 
[  230.822818]  ? __lock_acquire+0x7ec/0x4ec0
[  230.827896] 0*8kB 
[  230.829885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.834092] 0*16kB 1*32kB 
[  230.836243]  ? __lock_acquire+0x7ec/0x4ec0
[  230.841321] (U) 
[  230.844160]  ? should_fail+0x22d/0xd01
[  230.848386] 2*64kB 
[  230.850351]  ? print_usage_bug+0xc0/0xc0
[  230.854210] (U) 
[  230.856447]  ? mark_held_locks+0x130/0x130
[  230.860479] 1*128kB 
[  230.862451]  ? mark_held_locks+0x130/0x130
[  230.866661] (U) 
[  230.868983]  ? graph_lock+0x170/0x170
[  230.873186] 1*256kB 
[  230.875157]  ? print_usage_bug+0xc0/0xc0
[  230.878930] (U) 0*512kB 
[  230.881260]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.885298] 1*1024kB 
[  230.887964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.892707] (U) 
[  230.895115]  ? check_preemption_disabled+0x48/0x200
[  230.900623] 1*2048kB 
[  230.902596]  ? check_preemption_disabled+0x48/0x200
[  230.907586] (M) 
[  230.909997]  ? __lock_is_held+0xb5/0x140
[  230.914982] 3*4096kB (M) 
[  230.916963]  __alloc_pages_nodemask+0xa80/0xde0
[  230.921012] = 15908kB
[  230.923762]  ? graph_lock+0x170/0x170
[  230.928416] Node 0 
[  230.930822]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.934590] DMA32: 2*4kB 
[  230.936825]  ? graph_lock+0x170/0x170
[  230.941816] (M) 
[  230.944576]  ? find_held_lock+0x36/0x1c0
[  230.948344] 1*8kB 
[  230.950323]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.954370] (U) 
[  230.956512]  ? lock_downgrade+0x900/0x900
[  230.961153] 4*16kB (UM) 
[  230.963136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.967256] 2*32kB 
[  230.969921]  cache_grow_begin+0x91/0x8c0
[  230.975428] (UM) 
[  230.977657]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.981691] 3*64kB 
[  230.983773]  fallback_alloc+0x203/0x2e0
[  230.988433] (UM) 
[  230.990667]  ____cache_alloc_node+0x1c7/0x1e0
[  230.994611] 4*128kB 
[  230.996669]  kmem_cache_alloc_node+0xe3/0x730
[  231.001129] (UM) 2*256kB 
[  231.003459]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.007943] (M) 
[  231.010703]  __alloc_skb+0x119/0x770
[  231.014906] 4*512kB 
[  231.016879]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.020561] (UM) 
[  231.022880]  ? skb_scrub_packet+0x490/0x490
[  231.028122] 3*1024kB (M) 
[  231.030186]  ? lock_downgrade+0x900/0x900
[  231.034475] 1*2048kB (M) 
[  231.037240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.041363] 4*4096kB (M) 
[  231.044123]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.049634] = 24912kB
[  231.052389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.057817] Node 0 
[  231.060223]  ? addrconf_rs_timer+0x6f0/0x6f0
[  231.065641] Normal: 2389*4kB 
[  231.067888]  ndisc_alloc_skb+0x144/0x340
[  231.072285] (UME) 
[  231.075794]  ndisc_send_rs+0x331/0x6e0
[  231.079835] 378*8kB (UME) 
[  231.081992]  addrconf_rs_timer+0x3c0/0x6f0
[  231.085844] 73*16kB (UM) 
[  231.088696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.092906] 1*32kB 
[  231.095665]  call_timer_fn+0x272/0x920
[  231.099856] (U) 0*64kB 
[  231.102099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.105960] 0*128kB 
[  231.108544]  ? process_timeout+0x40/0x40
[  231.112755] 0*256kB 0*512kB 
[  231.115088]  ? find_held_lock+0x36/0x1c0
[  231.119118] 0*1024kB 0*2048kB 
[  231.122143]  ? __run_timers+0x7da/0xc70
[  231.126175] 0*4096kB 
[  231.129360]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.133300] = 13780kB
[  231.133314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.135718]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.140192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.142609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.151418] 4510 total pagecache pages
[  231.155909]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  231.164466] 0 pages in swap cache
[  231.168688]  ? trace_hardirqs_on+0xbd/0x310
[  231.172550] Swap cache stats: add 0, delete 0, find 0/0
[  231.177127]  ? kasan_check_read+0x11/0x20
[  231.180558] Free swap  = 0kB
[  231.184880]  ? __run_timers+0x7da/0xc70
[  231.190212] Total swap = 0kB
[  231.194352]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.197345] 1965979 pages RAM
[  231.201319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.204321] 0 pages HighMem/MovableOnly
[  231.210320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.213396] 342744 pages reserved
[  231.217625]  __run_timers+0x7e5/0xc70
[  231.221573] 0 pages cma reserved
[  231.225820]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.229528] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.233043]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.236386] syz-fuzzer cpuset=
[  231.241743]  ? rcu_bh_qs+0xc0/0xc0
[  231.251942] /
[  231.257216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.260387]  mems_allowed=0
[  231.263918]  ? check_preemption_disabled+0x48/0x200
[  231.279054]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.283820]  ? retint_kernel+0x2d/0x2d
[  231.287707]  ? trace_hardirqs_on_caller+0xc0/0x300
[  231.292638]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.297415]  ? trace_hardirqs_off_caller+0x300/0x300
[  231.302541]  ? check_preemption_disabled+0x48/0x200
[  231.307559]  ? graph_lock+0x170/0x170
[  231.311368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.316906]  ? check_preemption_disabled+0x48/0x200
[  231.321938]  ? __lock_is_held+0xb5/0x140
[  231.326001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.331538]  ? check_preemption_disabled+0x48/0x200
[  231.336566]  run_timer_softirq+0x52/0xb0
[  231.340630]  ? rcu_read_lock_sched_held+0x108/0x120
[  231.345648]  __do_softirq+0x30b/0xad8
[  231.349462]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.354577]  ? pvclock_read_flags+0x160/0x160
[  231.359078]  ? lapic_next_event+0x5a/0x90
[  231.363228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.368779]  ? check_preemption_disabled+0x48/0x200
[  231.373805]  ? check_preemption_disabled+0x48/0x200
[  231.378831]  ? kvm_clock_read+0x18/0x30
[  231.382805]  ? kvm_sched_clock_read+0x9/0x20
[  231.387215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.392758]  ? check_preemption_disabled+0x48/0x200
[  231.397802]  irq_exit+0x17f/0x1c0
[  231.401260]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.406192]  ? smp_reschedule_interrupt+0x109/0x650
[  231.411228]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.417112]  ? interrupt_entry+0xb5/0xf0
[  231.421176]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.426191]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.431211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.436055]  ? trace_hardirqs_off+0x300/0x300
[  231.440551]  ? trace_hardirqs_off+0x300/0x300
[  231.445050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.450587]  ? check_preemption_disabled+0x48/0x200
[  231.455618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.461208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.466094]  apic_timer_interrupt+0xf/0x20
[  231.470325]  </IRQ>
[  231.472569] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.477498] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  231.496398] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  231.504107] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  231.511373] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  231.518655] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  231.525926] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  231.533196] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  231.540508]  skb_clone+0x1bb/0x500
[  231.544049]  ? finish_task_switch+0x2f5/0x900
[  231.548545]  ? skb_split+0x11e0/0x11e0
[  231.552437]  ? preempt_notifier_register+0x200/0x200
[  231.557543]  ? __switch_to_asm+0x34/0x70
[  231.561603]  ? __switch_to_asm+0x34/0x70
[  231.565664]  ? __switch_to_asm+0x40/0x70
[  231.569723]  ? __switch_to_asm+0x34/0x70
[  231.573792]  ? __switch_to_asm+0x40/0x70
[  231.577856]  ? __switch_to_asm+0x34/0x70
[  231.581917]  ? __switch_to_asm+0x40/0x70
[  231.585978]  ? __switch_to_asm+0x34/0x70
[  231.590037]  ? __switch_to_asm+0x34/0x70
[  231.594094]  ? __switch_to_asm+0x40/0x70
[  231.598152]  ? __switch_to_asm+0x34/0x70
[  231.602220]  bpf_clone_redirect+0xb9/0x490
[  231.606460]  ? __schedule+0x874/0x1ed0
[  231.610352]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  231.615377]  ? __sched_text_start+0x8/0x8
[  231.619537]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.624311]  ? find_held_lock+0x36/0x1c0
[  231.628383]  ? lock_acquire+0x1ed/0x520
[  231.632356]  ? bpf_test_run+0x32e/0x5a0
[  231.636334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.641880]  ? check_preemption_disabled+0x48/0x200
[  231.646904]  ? kasan_check_read+0x11/0x20
[  231.651056]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.656334]  ? rcu_bh_qs+0xc0/0xc0
[  231.659895]  ? preempt_schedule+0x4d/0x60
[  231.664054]  ? ___preempt_schedule+0x16/0x18
[  231.668472]  ? bpf_test_run+0x1c0/0x5a0
[  231.672459]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.676873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.682434]  ? bpf_test_init.isra.9+0x70/0x100
[  231.687020]  ? bpf_prog_test_run_skb+0x634/0xb40
[  231.691789]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.696631]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.702167]  ? fput+0x130/0x1a0
[  231.705447]  ? __bpf_prog_get+0x9b/0x290
[  231.709509]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.714349]  ? bpf_prog_test_run+0x130/0x1a0
[  231.718761]  ? __x64_sys_bpf+0x3d8/0x510
[  231.722836]  ? bpf_prog_get+0x20/0x20
[  231.726648]  ? ksys_ioctl+0x81/0xd0
[  231.730294]  ? do_syscall_64+0x1b9/0x820
[  231.734356]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.739726]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.744661]  ? trace_hardirqs_off+0x300/0x300
[  231.749157]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  231.754174]  ? recalc_sigpending_tsk+0x180/0x180
[  231.758938]  ? kasan_check_write+0x14/0x20
[  231.763184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.768036]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.773430] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  231.773501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.780353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.780362] Call Trace:
[  231.786934] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.796180]  <IRQ>
[  231.798750] syz-executor2 cpuset=
[  231.809233]  dump_stack+0x1c4/0x2b4
[  231.811372] syz2
[  231.814825]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.818455]  mems_allowed=0
[  231.820431]  warn_alloc.cold.118+0xb7/0x1bd
[  231.832819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.837667]  ? lock_downgrade+0x900/0x900
[  231.841832]  ? trace_hardirqs_off+0xb8/0x300
[  231.846248]  ? trace_hardirqs_off+0xb8/0x300
[  231.850663]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.855537]  ? warn_alloc+0x120/0x120
[  231.859348]  ? warn_alloc+0x120/0x120
[  231.863150]  ? print_usage_bug+0xc0/0xc0
[  231.867210]  ? warn_alloc+0x120/0x120
[  231.871013]  ? print_usage_bug+0xc0/0xc0
[  231.875078]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  231.880275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.885819]  ? should_fail+0x22d/0xd01
[  231.889713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.894820]  ? __lock_acquire+0x7ec/0x4ec0
[  231.899061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.904162]  ? __lock_acquire+0x7ec/0x4ec0
[  231.908413]  ? should_fail+0x22d/0xd01
[  231.912333]  ? mark_held_locks+0x130/0x130
[  231.916574]  ? mark_held_locks+0x130/0x130
[  231.920810]  ? graph_lock+0x170/0x170
[  231.924615]  ? graph_lock+0x170/0x170
[  231.928421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.933959]  ? check_preemption_disabled+0x48/0x200
[  231.938979]  ? check_preemption_disabled+0x48/0x200
[  231.944004]  ? __lock_is_held+0xb5/0x140
[  231.948071]  __alloc_pages_nodemask+0xa80/0xde0
[  231.952740]  ? graph_lock+0x170/0x170
[  231.956553]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.961579]  ? graph_lock+0x170/0x170
[  231.965396]  ? find_held_lock+0x36/0x1c0
[  231.969470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.974139]  ? lock_downgrade+0x900/0x900
[  231.978294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.983841]  cache_grow_begin+0x91/0x8c0
[  231.987903]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.992319]  fallback_alloc+0x203/0x2e0
[  231.996304]  ____cache_alloc_node+0x1c7/0x1e0
[  232.000811]  __kmalloc+0x208/0x760
[  232.004359]  ? __neigh_create+0x30b/0x2130
[  232.008603]  __neigh_create+0x30b/0x2130
[  232.012669]  ? trace_hardirqs_on+0xbd/0x310
[  232.016989]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.022536]  ? ip6t_do_table+0xd9e/0x1d30
[  232.026694]  ? mark_held_locks+0x130/0x130
[  232.030933]  ? __local_bh_enable_ip+0x160/0x260
[  232.035603]  ? neigh_hash_alloc+0x1e0/0x1e0
[  232.039922]  ? trace_hardirqs_on+0xbd/0x310
[  232.044246]  ? ip6t_do_table+0xd9e/0x1d30
[  232.048397]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.053845]  ? trace_hardirqs_on+0xbd/0x310
[  232.058174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.063715]  ? ip6t_do_table+0xd6a/0x1d30
[  232.067868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.073407]  ? check_preemption_disabled+0x48/0x200
[  232.078424]  ? check_preemption_disabled+0x48/0x200
[  232.083447]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  232.088986]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.094264]  ? rcu_pm_notify+0xc0/0xc0
[  232.098156]  ? graph_lock+0x170/0x170
[  232.101955]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  232.107153]  ip6_finish_output2+0xa59/0x27a0
[  232.111571]  ? ip6_copy_metadata+0xe30/0xe30
[  232.115983]  ? ip6_mtu+0x39c/0x520
[  232.119523]  ? lock_downgrade+0x900/0x900
[  232.123674]  ? check_preemption_disabled+0x48/0x200
[  232.128700]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.134504]  ? kasan_check_read+0x11/0x20
[  232.138658]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.144111]  ? rcu_bh_qs+0xc0/0xc0
[  232.147664]  ? ip6_mtu+0x160/0x520
[  232.151205]  ? dst_hold+0x2f0/0x2f0
[  232.154838]  ? kasan_check_read+0x11/0x20
[  232.158990]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.164266]  ? nf_nat_ipv6_out+0x212/0x550
[  232.168506]  ip6_finish_output+0x5fe/0xbc0
[  232.172738]  ? ip6_finish_output+0x5fe/0xbc0
[  232.177159]  ip6_output+0x23e/0xa00
[  232.180803]  ? check_preemption_disabled+0x48/0x200
[  232.185839]  ? ip6_finish_output+0xbc0/0xbc0
[  232.190254]  ? ip6_fragment+0x38c0/0x38c0
[  232.194517]  ? __lock_is_held+0xb5/0x140
[  232.198592]  ndisc_send_skb+0x1005/0x1570
[  232.202752]  ? ndisc_constructor+0xc40/0xc40
[  232.207174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.212710]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.218167]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.223639]  ndisc_send_rs+0x134/0x6e0
[  232.227534]  addrconf_rs_timer+0x3c0/0x6f0
[  232.231793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.236047]  call_timer_fn+0x272/0x920
[  232.239933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.244167]  ? process_timeout+0x40/0x40
[  232.248228]  ? find_held_lock+0x36/0x1c0
[  232.252296]  ? mark_held_locks+0xc7/0x130
[  232.256448]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.260960]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.265453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.269690]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  232.274274]  ? trace_hardirqs_on+0xbd/0x310
[  232.278630]  ? kasan_check_read+0x11/0x20
[  232.282793]  ? __run_timers+0x7da/0xc70
[  232.286802]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.292269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.296508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.300746]  __run_timers+0x7e5/0xc70
[  232.304566]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.309944]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.314961]  ? graph_lock+0x170/0x170
[  232.318778]  ? print_usage_bug+0xc0/0xc0
[  232.322847]  ? lock_release+0x970/0x970
[  232.326831]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.332026]  ? find_held_lock+0x36/0x1c0
[  232.336091]  ? graph_lock+0x170/0x170
[  232.339898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.345440]  ? check_preemption_disabled+0x48/0x200
[  232.350470]  ? __lock_is_held+0xb5/0x140
[  232.354535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.360073]  ? check_preemption_disabled+0x48/0x200
[  232.365100]  run_timer_softirq+0x52/0xb0
[  232.369159]  ? rcu_read_lock_sched_held+0x108/0x120
[  232.374179]  __do_softirq+0x30b/0xad8
[  232.377995]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.383103]  ? pvclock_read_flags+0x160/0x160
[  232.387596]  ? lapic_next_event+0x5a/0x90
[  232.391744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.397294]  ? check_preemption_disabled+0x48/0x200
[  232.402310]  ? check_preemption_disabled+0x48/0x200
[  232.407337]  ? kvm_clock_read+0x18/0x30
[  232.411310]  ? kvm_sched_clock_read+0x9/0x20
[  232.415720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.421274]  ? check_preemption_disabled+0x48/0x200
[  232.426350]  irq_exit+0x17f/0x1c0
[  232.429813]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.434664]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.440548]  ? interrupt_entry+0xb5/0xf0
[  232.444639]  ? trace_hardirqs_off_caller+0xbb/0x300
[  232.449684]  ? trace_hardirqs_off_caller+0xbb/0x300
[  232.454705]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.459580]  ? trace_hardirqs_off+0x300/0x300
[  232.464073]  ? trace_hardirqs_off+0x300/0x300
[  232.468567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.474124]  ? check_preemption_disabled+0x48/0x200
[  232.479137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.484683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.489553]  apic_timer_interrupt+0xf/0x20
[  232.493793]  </IRQ>
[  232.496032] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  232.501312] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  232.520226] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  232.527934] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  232.535214] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  232.542498] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  232.549774] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  232.557046] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  232.564332]  ? arch_local_irq_restore+0x45/0x52
[  232.569007]  dump_stack+0x26a/0x2b4
[  232.572675]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.577869]  ? mark_held_locks+0x130/0x130
[  232.582102]  ? mark_held_locks+0x130/0x130
[  232.586370]  dump_header+0x27b/0xf72
[  232.590101]  ? pagefault_out_of_memory+0x197/0x197
[  232.595037]  ? mark_held_locks+0x130/0x130
[  232.599271]  ? __lock_acquire+0x7ec/0x4ec0
[  232.603505]  ? mem_cgroup_charge_statistics+0x780/0x780
[  232.608881]  ? print_usage_bug+0xc0/0xc0
[  232.612956]  ? print_usage_bug+0xc0/0xc0
[  232.617024]  ? graph_lock+0x170/0x170
[  232.620826]  ? graph_lock+0x170/0x170
[  232.624630]  ? print_usage_bug+0xc0/0xc0
[  232.628690]  ? print_usage_bug+0xc0/0xc0
[  232.632762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.638318]  ? find_held_lock+0x36/0x1c0
[  232.642391]  ? mark_held_locks+0xc7/0x130
[  232.646541]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  232.651671]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  232.656785]  ? lockdep_hardirqs_on+0x421/0x5c0
[  232.661379]  ? trace_hardirqs_on+0xbd/0x310
[  232.665705]  ? kasan_check_read+0x11/0x20
[  232.669851]  ? ___ratelimit+0x36f/0x655
[  232.673826]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.679280]  ? trace_hardirqs_on+0x310/0x310
[  232.683694]  ? lock_downgrade+0x900/0x900
[  232.687847]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.692951]  ? ___ratelimit+0xaa/0x655
[  232.696845]  ? idr_get_free+0xec0/0xec0
[  232.700828]  ? kasan_check_write+0x14/0x20
[  232.705066]  ? do_raw_spin_lock+0xc1/0x200
[  232.709307]  oom_kill_process.cold.27+0x10/0x903
[  232.714066]  ? graph_lock+0x170/0x170
[  232.717864]  ? _raw_spin_unlock+0x2c/0x50
[  232.722009]  ? oom_badness+0xe6/0xaa0
[  232.725854]  ? oom_evaluate_task+0x540/0x540
[  232.730308]  ? find_held_lock+0x36/0x1c0
[  232.734389]  ? out_of_memory+0x974/0x14c0
[  232.738538]  ? lock_downgrade+0x900/0x900
[  232.742691]  ? check_preemption_disabled+0x48/0x200
[  232.747716]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.753514]  ? kasan_check_read+0x11/0x20
[  232.757666]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.762960]  ? rcu_bh_qs+0xc0/0xc0
[  232.766505]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.771518]  ? oom_evaluate_task+0x302/0x540
[  232.775932]  out_of_memory+0xa86/0x14c0
[  232.779913]  ? oom_killer_disable+0x3a0/0x3a0
[  232.784436]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  232.789410]  ? __mutex_add_waiter+0x2a0/0x2a0
[  232.793929]  __alloc_pages_slowpath+0x2318/0x2d80
[  232.798818]  ? warn_alloc+0x120/0x120
[  232.802632]  ? find_get_entry+0x2f2/0xc40
[  232.806805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.812348]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  232.817280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.822827]  ? should_fail+0x22d/0xd01
[  232.826738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.831848]  ? __lock_is_held+0xb5/0x140
[  232.835937]  ? __lock_is_held+0xb5/0x140
[  232.840005]  ? find_held_lock+0x36/0x1c0
[  232.844071]  ? ___might_sleep+0x1ed/0x300
[  232.848220]  ? lock_release+0x970/0x970
[  232.852194]  ? arch_local_save_flags+0x40/0x40
[  232.856806]  ? __might_sleep+0x95/0x190
[  232.860803]  __alloc_pages_nodemask+0xa80/0xde0
[  232.865514]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.870538]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.876336]  ? kasan_check_read+0x11/0x20
[  232.880483]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.885760]  ? graph_lock+0x170/0x170
[  232.889580]  ? print_usage_bug+0xc0/0xc0
[  232.893643]  ? graph_lock+0x170/0x170
[  232.897480]  ? graph_lock+0x170/0x170
[  232.901283]  ? __do_page_cache_readahead+0x7ce/0x980
[  232.906390]  ? find_held_lock+0x36/0x1c0
[  232.910455]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  232.916011]  alloc_pages_current+0x10c/0x210
[  232.920420]  ? lock_downgrade+0x900/0x900
[  232.924577]  __page_cache_alloc+0x38f/0x5b0
[  232.928900]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.934693]  ? kasan_check_read+0x11/0x20
[  232.938840]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.944119]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  232.948804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.954365]  ? check_preemption_disabled+0x48/0x200
[  232.959390]  filemap_fault+0x1594/0x25f0
[  232.963463]  ? __lock_page_or_retry+0xa00/0xa00
[  232.968135]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.973931]  ? kasan_check_read+0x11/0x20
[  232.978079]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.983357]  ? rcu_bh_qs+0xc0/0xc0
[  232.986913]  ? filemap_map_pages+0xdea/0x1980
[  232.991415]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.996524]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  233.001807]  ? debug_object_free+0x325/0x690
[  233.006216]  ? find_get_pages_range_tag+0x1320/0x1320
[  233.011410]  ? graph_lock+0x170/0x170
[  233.015225]  ? kasan_check_read+0x11/0x20
[  233.019373]  ? debug_object_destroy+0x2b0/0x2b0
[  233.024050]  ? lock_acquire+0x1ed/0x520
[  233.028023]  ? ext4_filemap_fault+0x7a/0xad
[  233.032349]  ? lock_release+0x970/0x970
[  233.036327]  ? arch_local_save_flags+0x40/0x40
[  233.040915]  ? futex_wait_setup+0x3e0/0x3e0
[  233.045247]  ? down_read+0xb0/0x1d0
[  233.048872]  ? ext4_filemap_fault+0x7a/0xad
[  233.053197]  ? __down_interruptible+0x700/0x700
[  233.057885]  ext4_filemap_fault+0x82/0xad
[  233.062040]  __do_fault+0x100/0x6b0
[  233.065670]  ? print_bad_pte+0x6c0/0x6c0
[  233.069731]  ? do_futex+0x249/0x26d0
[  233.073834]  ? pmd_val+0x88/0x100
[  233.077288]  ? add_mm_counter_fast+0xd0/0xd0
[  233.081726]  ? pmd_val+0x88/0x100
[  233.085205]  ? add_mm_counter_fast+0xd0/0xd0
[  233.089624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.095181]  __handle_mm_fault+0x3709/0x53e0
[  233.099599]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  233.104445]  ? graph_lock+0x170/0x170
[  233.108244]  ? print_usage_bug+0xc0/0xc0
[  233.112308]  ? graph_lock+0x170/0x170
[  233.116108]  ? graph_lock+0x170/0x170
[  233.119927]  ? handle_mm_fault+0x42a/0xc70
[  233.124162]  ? lock_downgrade+0x900/0x900
[  233.128311]  ? check_preemption_disabled+0x48/0x200
[  233.133336]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  233.139133]  ? kasan_check_read+0x11/0x20
[  233.143286]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.148583]  ? rcu_bh_qs+0xc0/0xc0
[  233.152136]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.157587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.163126]  ? check_preemption_disabled+0x48/0x200
[  233.168152]  handle_mm_fault+0x54f/0xc70
[  233.172224]  ? __handle_mm_fault+0x53e0/0x53e0
[  233.176831]  ? find_vma+0x34/0x190
[  233.180394]  __do_page_fault+0x67d/0xed0
[  233.184467]  ? mm_fault_error+0x380/0x380
[  233.188618]  ? trace_hardirqs_off+0xb8/0x300
[  233.193025]  ? trace_hardirqs_on+0x310/0x310
[  233.197436]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  233.202812]  ? trace_hardirqs_on+0x310/0x310
[  233.207408]  do_page_fault+0xf2/0x7e0
[  233.211211]  ? vmalloc_sync_all+0x30/0x30
[  233.215358]  ? error_entry+0x70/0xd0
[  233.219072]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.224085]  ? trace_hardirqs_on_caller+0xc0/0x300
[  233.229013]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.233940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.238798]  ? trace_hardirqs_off+0x300/0x300
[  233.243291]  ? trace_hardirqs_off_caller+0x300/0x300
[  233.248403]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.253440]  ? page_fault+0x8/0x30
[  233.256983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.261829]  ? page_fault+0x8/0x30
[  233.265369]  page_fault+0x1e/0x30
[  233.268823] RIP: 0033:0x40f9c0
[  233.272020] Code: Bad RIP value.
[  233.275383] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  233.280758] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  233.288057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  233.295321] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  233.302590] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  233.309859] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  233.317149] warn_alloc_show_mem: 1 callbacks suppressed
[  233.317161] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  233.317163] Mem-Info:
[  233.317194] active_anon:52539 inactive_anon:923 isolated_anon:0
[  233.317194]  active_file:16 inactive_file:19 isolated_file:0
[  233.317194]  unevictable:0 dirty:0 writeback:0 unstable:0
[  233.317194]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  233.317194]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  233.317194]  free:13650 free_pcp:205 free_cma:0
[  233.322533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.329820] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  233.332250] Call Trace:
[  233.365245] Node 0 
[  233.374587]  <IRQ>
[  233.402352] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  233.404906]  dump_stack+0x1c4/0x2b4
[  233.407116] lowmem_reserve[]:
[  233.409258]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.434728]  0 2817
[  233.438381]  warn_alloc.cold.118+0xb7/0x1bd
[  233.441453]  6321
[  233.446635]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.448841]  6321
[  233.453163]  ? lock_downgrade+0x900/0x900
[  233.455203] Node 0 
[  233.460043]  ? trace_hardirqs_off+0xb8/0x300
[  233.462102] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  233.466251]  ? trace_hardirqs_off+0xb8/0x300
[  233.468483] lowmem_reserve[]: 0
[  233.472912]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.499863]  0
[  233.504313]  ? warn_alloc+0x120/0x120
[  233.507550]  3503
[  233.512389]  ? trace_hardirqs_on+0x310/0x310
[  233.514169]  3503
[  233.517969]  ? warn_alloc+0x120/0x120
[  233.520025] Node 0 
[  233.524447]  ? print_usage_bug+0xc0/0xc0
[  233.526511] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  233.530309]  ? warn_alloc+0x120/0x120
[  233.532532] lowmem_reserve[]:
[  233.536590]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  233.564930]  0
[  233.568725]  ? print_usage_bug+0xc0/0xc0
[  233.571806]  0
[  233.576814]  ? __lock_acquire+0x7ec/0x4ec0
[  233.578604]  0
[  233.582658]  ? __lock_acquire+0x7ec/0x4ec0
[  233.584435]  0
[  233.588678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.594697]  ? should_fail+0x22d/0xd01
[  233.596512] Node 0 
[  233.602055]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.605909] DMA: 1*4kB 
[  233.608145]  ? __lock_acquire+0x7ec/0x4ec0
[  233.613224] (U) 
[  233.615808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.620015] 0*8kB 
[  233.621981]  ? __lock_acquire+0x7ec/0x4ec0
[  233.627055] 0*16kB 1*32kB 
[  233.629241]  ? should_fail+0x22d/0xd01
[  233.633449] (U) 
[  233.636300]  ? print_usage_bug+0xc0/0xc0
[  233.640161] 2*64kB 
[  233.642137]  ? mark_held_locks+0x130/0x130
[  233.646167] (U) 
[  233.648400]  ? mark_held_locks+0x130/0x130
[  233.652612] 1*128kB 
[  233.654583]  ? graph_lock+0x170/0x170
[  233.658796] (U) 
[  233.661113]  ? print_usage_bug+0xc0/0xc0
[  233.664891] 1*256kB 
[  233.666861]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.670891] (U) 
[  233.673212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.677933] 0*512kB 1*1024kB 
[  233.679916]  ? check_preemption_disabled+0x48/0x200
[  233.685420] (U) 1*2048kB 
[  233.688540]  ? check_preemption_disabled+0x48/0x200
[  233.693556] (M) 
[  233.696332]  ? __lock_is_held+0xb5/0x140
[  233.701323] 3*4096kB 
[  233.703300]  __alloc_pages_nodemask+0xa80/0xde0
[  233.707325] (M) 
[  233.709741]  ? graph_lock+0x170/0x170
[  233.714404] = 15908kB
[  233.716388]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.720161] Node 0 
[  233.722574]  ? graph_lock+0x170/0x170
[  233.727574] DMA32: 
[  233.729810]  ? find_held_lock+0x36/0x1c0
[  233.733584] 2*4kB 
[  233.735819]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.739846] (M) 
[  233.741989]  ? lock_downgrade+0x900/0x900
[  233.746629] 1*8kB (U) 
[  233.748610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.752726] 4*16kB 
[  233.755221]  cache_grow_begin+0x91/0x8c0
[  233.760730] (UM) 
[  233.762962]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.766994] 2*32kB (UM) 
[  233.769063]  fallback_alloc+0x203/0x2e0
[  233.773436] 3*64kB (UM) 
[  233.776113]  ____cache_alloc_node+0x1c7/0x1e0
[  233.780056] 4*128kB (UM) 
[  233.782733]  kmem_cache_alloc_node+0xe3/0x730
[  233.787196] 2*256kB (M) 
[  233.789959]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.794423] 4*512kB (UM) 
[  233.797102]  __alloc_skb+0x119/0x770
[  233.801309] 3*1024kB 
[  233.804063]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.807745] (M) 
[  233.810153]  ? skb_scrub_packet+0x490/0x490
[  233.815407] 1*2048kB 
[  233.817373]  ? lock_downgrade+0x900/0x900
[  233.821684] (M) 
[  233.824090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.828208] 4*4096kB 
[  233.830176]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.835687] (M) 
[  233.838092]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.843518] = 24912kB
[  233.845490]  ? addrconf_rs_timer+0x6f0/0x6f0
[  233.850926] Node 0 
[  233.853337]  ndisc_alloc_skb+0x144/0x340
[  233.857713] Normal: 
[  233.859946]  ndisc_send_rs+0x331/0x6e0
[  233.863996] 2389*4kB 
[  233.866320]  addrconf_rs_timer+0x3c0/0x6f0
[  233.870179] (UME) 
[  233.872586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.876796] 378*8kB (UME) 
[  233.878959]  call_timer_fn+0x272/0x920
[  233.883156] 73*16kB (UM) 
[  233.886004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.889865] 1*32kB 
[  233.892615]  ? process_timeout+0x40/0x40
[  233.896820] (U) 
[  233.899067]  ? find_held_lock+0x36/0x1c0
[  233.903096] 0*64kB 0*128kB 
[  233.905079]  ? __run_timers+0x7da/0xc70
[  233.909113] 0*256kB 
[  233.912040]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.915982] 0*512kB 0*1024kB 
[  233.918312]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.922793] 0*2048kB 
[  233.925891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.930362] 0*4096kB 
[  233.932773]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  233.936983] = 13780kB
[  233.939385]  ? trace_hardirqs_on+0xbd/0x310
[  233.943949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.946350]  ? kasan_check_read+0x11/0x20
[  233.950650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.959479]  ? __run_timers+0x7da/0xc70
[  233.963598] 4510 total pagecache pages
[  233.972185]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.976140] 0 pages in swap cache
[  233.980014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.985440] Swap cache stats: add 0, delete 0, find 0/0
[  233.988899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.993107] Free swap  = 0kB
[  233.998465]  __run_timers+0x7e5/0xc70
[  234.002673] Total swap = 0kB
[  234.005705]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.009470] 1965979 pages RAM
[  234.012482]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.017815] 0 pages HighMem/MovableOnly
[  234.020913]  ? rcu_bh_qs+0xc0/0xc0
[  234.026155] 342744 pages reserved
[  234.026163] 0 pages cma reserved
[  234.030133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.033846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.037091]  ? check_preemption_disabled+0x48/0x200
[  234.040578] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.045966]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.052433] syz-fuzzer cpuset=
[  234.057442]  ? retint_kernel+0x2d/0x2d
[  234.067638] /
[  234.072393]  ? trace_hardirqs_on_caller+0xc0/0x300
[  234.075559]  mems_allowed=0
[  234.079441]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.093701]  ? trace_hardirqs_off_caller+0x300/0x300
[  234.098806]  ? check_preemption_disabled+0x48/0x200
[  234.103825]  ? graph_lock+0x170/0x170
[  234.107632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.113184]  ? check_preemption_disabled+0x48/0x200
[  234.118212]  ? __lock_is_held+0xb5/0x140
[  234.122274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.127816]  ? check_preemption_disabled+0x48/0x200
[  234.132846]  run_timer_softirq+0x52/0xb0
[  234.136918]  ? rcu_read_lock_sched_held+0x108/0x120
[  234.141941]  __do_softirq+0x30b/0xad8
[  234.145760]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.150887]  ? pvclock_read_flags+0x160/0x160
[  234.155399]  ? lapic_next_event+0x5a/0x90
[  234.159552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.165091]  ? check_preemption_disabled+0x48/0x200
[  234.170108]  ? check_preemption_disabled+0x48/0x200
[  234.175134]  ? kvm_clock_read+0x18/0x30
[  234.179110]  ? kvm_sched_clock_read+0x9/0x20
[  234.183520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.189060]  ? check_preemption_disabled+0x48/0x200
[  234.194088]  irq_exit+0x17f/0x1c0
[  234.197550]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.202392]  ? smp_reschedule_interrupt+0x109/0x650
[  234.207415]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.213317]  ? interrupt_entry+0xb5/0xf0
[  234.217410]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.222470]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.227490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.232334]  ? trace_hardirqs_off+0x300/0x300
[  234.236849]  ? trace_hardirqs_off+0x300/0x300
[  234.241348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.246885]  ? check_preemption_disabled+0x48/0x200
[  234.251904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.257450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.262324]  apic_timer_interrupt+0xf/0x20
[  234.266549]  </IRQ>
[  234.268841] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.273775] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  234.292706] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  234.300418] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  234.307690] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  234.314960] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  234.322225] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  234.329492] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  234.336810]  skb_clone+0x1bb/0x500
[  234.340353]  ? finish_task_switch+0x2f5/0x900
[  234.344849]  ? skb_split+0x11e0/0x11e0
[  234.348738]  ? preempt_notifier_register+0x200/0x200
[  234.353844]  ? __switch_to_asm+0x34/0x70
[  234.357907]  ? __switch_to_asm+0x34/0x70
[  234.361965]  ? __switch_to_asm+0x40/0x70
[  234.366024]  ? __switch_to_asm+0x34/0x70
[  234.370085]  ? __switch_to_asm+0x40/0x70
[  234.374143]  ? __switch_to_asm+0x34/0x70
[  234.378203]  ? __switch_to_asm+0x40/0x70
[  234.382263]  ? __switch_to_asm+0x34/0x70
[  234.386326]  ? __switch_to_asm+0x34/0x70
[  234.390383]  ? __switch_to_asm+0x40/0x70
[  234.394443]  ? __switch_to_asm+0x34/0x70
[  234.398512]  bpf_clone_redirect+0xb9/0x490
[  234.402751]  ? __schedule+0x874/0x1ed0
[  234.406656]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  234.411679]  ? __sched_text_start+0x8/0x8
[  234.415831]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.420601]  ? find_held_lock+0x36/0x1c0
[  234.424675]  ? lock_acquire+0x1ed/0x520
[  234.428652]  ? bpf_test_run+0x32e/0x5a0
[  234.432631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.438170]  ? check_preemption_disabled+0x48/0x200
[  234.443193]  ? kasan_check_read+0x11/0x20
[  234.447359]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.452635]  ? rcu_bh_qs+0xc0/0xc0
[  234.456198]  ? preempt_schedule+0x4d/0x60
[  234.460375]  ? ___preempt_schedule+0x16/0x18
[  234.464800]  ? bpf_test_run+0x1c0/0x5a0
[  234.468792]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.473206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.478744]  ? bpf_test_init.isra.9+0x70/0x100
[  234.483338]  ? bpf_prog_test_run_skb+0x634/0xb40
[  234.488104]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.492947]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.498500]  ? fput+0x130/0x1a0
[  234.501791]  ? __bpf_prog_get+0x9b/0x290
[  234.505858]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.510702]  ? bpf_prog_test_run+0x130/0x1a0
[  234.515113]  ? __x64_sys_bpf+0x3d8/0x510
[  234.519178]  ? bpf_prog_get+0x20/0x20
[  234.522984]  ? ksys_ioctl+0x81/0xd0
[  234.526625]  ? do_syscall_64+0x1b9/0x820
[  234.530688]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.536055]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.540988]  ? trace_hardirqs_off+0x300/0x300
[  234.545488]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.550506]  ? recalc_sigpending_tsk+0x180/0x180
[  234.555269]  ? kasan_check_write+0x14/0x20
[  234.559516]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.564367]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.569754] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  234.569836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.576694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.576699] Call Trace:
[  234.576706]  <IRQ>
[  234.576721]  dump_stack+0x1c4/0x2b4
[  234.576743]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.583351] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.592596]  warn_alloc.cold.118+0xb7/0x1bd
[  234.595151] syz-executor2 cpuset=
[  234.597308]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.600907] syz2
[  234.606088]  ? lock_downgrade+0x900/0x900
[  234.616583]  mems_allowed=0
[  234.620898]  ? trace_hardirqs_off+0xb8/0x300
[  234.642575]  ? trace_hardirqs_off+0xb8/0x300
[  234.646996]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.651874]  ? check_preemption_disabled+0x48/0x200
[  234.656897]  ? warn_alloc+0x120/0x120
[  234.660702]  ? __lock_is_held+0xb5/0x140
[  234.664762]  ? warn_alloc+0x120/0x120
[  234.668588]  ? print_usage_bug+0xc0/0xc0
[  234.672651]  ? warn_alloc+0x120/0x120
[  234.676453]  ? print_usage_bug+0xc0/0xc0
[  234.680521]  ? compaction_suitable+0x1cc/0x550
[  234.685112]  ? isolate_migratepages_range+0x270/0x270
[  234.690308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.695846]  ? should_fail+0x22d/0xd01
[  234.699733]  ? mark_held_locks+0x130/0x130
[  234.703971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.709074]  ? __lock_acquire+0x7ec/0x4ec0
[  234.713312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.718417]  ? __lock_acquire+0x7ec/0x4ec0
[  234.722653]  ? should_fail+0x22d/0xd01
[  234.726548]  ? mark_held_locks+0x130/0x130
[  234.730813]  ? mark_held_locks+0x130/0x130
[  234.735051]  ? __cpuset_node_allowed+0x19b/0x660
[  234.739809]  ? graph_lock+0x170/0x170
[  234.743614]  ? graph_lock+0x170/0x170
[  234.747413]  ? graph_lock+0x170/0x170
[  234.751218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.756784]  ? check_preemption_disabled+0x48/0x200
[  234.761812]  ? check_preemption_disabled+0x48/0x200
[  234.766839]  ? __lock_is_held+0xb5/0x140
[  234.770911]  __alloc_pages_nodemask+0xa80/0xde0
[  234.775609]  ? graph_lock+0x170/0x170
[  234.779413]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.784426]  ? graph_lock+0x170/0x170
[  234.788240]  ? find_held_lock+0x36/0x1c0
[  234.792315]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.796984]  ? lock_downgrade+0x900/0x900
[  234.801139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.806680]  cache_grow_begin+0x91/0x8c0
[  234.810740]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.815167]  fallback_alloc+0x203/0x2e0
[  234.819146]  ____cache_alloc_node+0x1c7/0x1e0
[  234.823649]  __kmalloc+0x208/0x760
[  234.827196]  ? __neigh_create+0x30b/0x2130
[  234.831440]  __neigh_create+0x30b/0x2130
[  234.835505]  ? trace_hardirqs_on+0xbd/0x310
[  234.839827]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.845365]  ? ip6t_do_table+0xd9e/0x1d30
[  234.849526]  ? mark_held_locks+0x130/0x130
[  234.853765]  ? __local_bh_enable_ip+0x160/0x260
[  234.858482]  ? neigh_hash_alloc+0x1e0/0x1e0
[  234.862813]  ? trace_hardirqs_on+0xbd/0x310
[  234.867134]  ? ip6t_do_table+0xd9e/0x1d30
[  234.871284]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.876735]  ? trace_hardirqs_on+0xbd/0x310
[  234.881071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.886609]  ? ip6t_do_table+0xd6a/0x1d30
[  234.890761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.896316]  ? check_preemption_disabled+0x48/0x200
[  234.901330]  ? check_preemption_disabled+0x48/0x200
[  234.906356]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  234.911896]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.917176]  ? rcu_pm_notify+0xc0/0xc0
[  234.921101]  ? graph_lock+0x170/0x170
[  234.924916]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  234.930129]  ip6_finish_output2+0xa59/0x27a0
[  234.934547]  ? ip6_copy_metadata+0xe30/0xe30
[  234.938961]  ? ip6_mtu+0x39c/0x520
[  234.942506]  ? lock_downgrade+0x900/0x900
[  234.946656]  ? check_preemption_disabled+0x48/0x200
[  234.951682]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  234.957485]  ? kasan_check_read+0x11/0x20
[  234.961638]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.966924]  ? rcu_bh_qs+0xc0/0xc0
[  234.970482]  ? ip6_mtu+0x160/0x520
[  234.974024]  ? dst_hold+0x2f0/0x2f0
[  234.977667]  ? kasan_check_read+0x11/0x20
[  234.981824]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.987101]  ? nf_nat_ipv6_out+0x212/0x550
[  234.991341]  ip6_finish_output+0x5fe/0xbc0
[  234.995583]  ? ip6_finish_output+0x5fe/0xbc0
[  235.000003]  ip6_output+0x23e/0xa00
[  235.003632]  ? check_preemption_disabled+0x48/0x200
[  235.008652]  ? ip6_finish_output+0xbc0/0xbc0
[  235.013066]  ? ip6_fragment+0x38c0/0x38c0
[  235.017218]  ? __lock_is_held+0xb5/0x140
[  235.021298]  ndisc_send_skb+0x1005/0x1570
[  235.025457]  ? ndisc_constructor+0xc40/0xc40
[  235.029870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.035408]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.040863]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.046327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.051870]  ndisc_send_rs+0x134/0x6e0
[  235.055774]  addrconf_rs_timer+0x3c0/0x6f0
[  235.060019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.064269]  call_timer_fn+0x272/0x920
[  235.068158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.072394]  ? process_timeout+0x40/0x40
[  235.076950]  ? find_held_lock+0x36/0x1c0
[  235.081019]  ? mark_held_locks+0xc7/0x130
[  235.085175]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.089670]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.094166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.098406]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  235.102993]  ? trace_hardirqs_on+0xbd/0x310
[  235.107320]  ? kasan_check_read+0x11/0x20
[  235.111473]  ? __run_timers+0x7da/0xc70
[  235.115452]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.120909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.125149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.129386]  __run_timers+0x7e5/0xc70
[  235.133203]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.138572]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.143634]  ? graph_lock+0x170/0x170
[  235.147451]  ? print_usage_bug+0xc0/0xc0
[  235.151522]  ? lock_release+0x970/0x970
[  235.155497]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  235.160704]  ? find_held_lock+0x36/0x1c0
[  235.164788]  ? graph_lock+0x170/0x170
[  235.168599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.174140]  ? check_preemption_disabled+0x48/0x200
[  235.179170]  ? __lock_is_held+0xb5/0x140
[  235.183233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.188783]  ? check_preemption_disabled+0x48/0x200
[  235.193834]  run_timer_softirq+0x52/0xb0
[  235.197899]  ? rcu_read_lock_sched_held+0x108/0x120
[  235.202938]  __do_softirq+0x30b/0xad8
[  235.206962]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.212076]  ? pvclock_read_flags+0x160/0x160
[  235.216571]  ? lapic_next_event+0x5a/0x90
[  235.220720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.226292]  ? check_preemption_disabled+0x48/0x200
[  235.231307]  ? check_preemption_disabled+0x48/0x200
[  235.236336]  ? kvm_clock_read+0x18/0x30
[  235.240312]  ? kvm_sched_clock_read+0x9/0x20
[  235.244722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.250263]  ? check_preemption_disabled+0x48/0x200
[  235.255292]  irq_exit+0x17f/0x1c0
[  235.258753]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.263614]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.269500]  ? interrupt_entry+0xb5/0xf0
[  235.273564]  ? trace_hardirqs_off_caller+0xbb/0x300
[  235.278582]  ? trace_hardirqs_off_caller+0xbb/0x300
[  235.283603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.288444]  ? trace_hardirqs_off+0x300/0x300
[  235.292940]  ? trace_hardirqs_off+0x300/0x300
[  235.297434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.302972]  ? check_preemption_disabled+0x48/0x200
[  235.307988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.313533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.318384]  apic_timer_interrupt+0xf/0x20
[  235.322612]  </IRQ>
[  235.324850] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  235.330126] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  235.349023] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  235.356732] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  235.363998] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  235.371263] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  235.378530] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  235.385837] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  235.393124]  ? arch_local_irq_restore+0x45/0x52
[  235.397813]  dump_stack+0x26a/0x2b4
[  235.401443]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.406640]  ? mark_held_locks+0x130/0x130
[  235.410872]  ? mark_held_locks+0x130/0x130
[  235.415115]  dump_header+0x27b/0xf72
[  235.418856]  ? pagefault_out_of_memory+0x197/0x197
[  235.423815]  ? mark_held_locks+0x130/0x130
[  235.428053]  ? __lock_acquire+0x7ec/0x4ec0
[  235.432291]  ? mem_cgroup_charge_statistics+0x780/0x780
[  235.437656]  ? print_usage_bug+0xc0/0xc0
[  235.441718]  ? print_usage_bug+0xc0/0xc0
[  235.445798]  ? graph_lock+0x170/0x170
[  235.449599]  ? graph_lock+0x170/0x170
[  235.453417]  ? print_usage_bug+0xc0/0xc0
[  235.457491]  ? print_usage_bug+0xc0/0xc0
[  235.461560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.467105]  ? find_held_lock+0x36/0x1c0
[  235.471185]  ? mark_held_locks+0xc7/0x130
[  235.475357]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  235.480461]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  235.485566]  ? lockdep_hardirqs_on+0x421/0x5c0
[  235.490152]  ? trace_hardirqs_on+0xbd/0x310
[  235.494473]  ? kasan_check_read+0x11/0x20
[  235.498625]  ? ___ratelimit+0x36f/0x655
[  235.502631]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.508082]  ? trace_hardirqs_on+0x310/0x310
[  235.512503]  ? lock_downgrade+0x900/0x900
[  235.516667]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.521782]  ? ___ratelimit+0xaa/0x655
[  235.525689]  ? idr_get_free+0xec0/0xec0
[  235.529667]  ? kasan_check_write+0x14/0x20
[  235.533903]  ? do_raw_spin_lock+0xc1/0x200
[  235.538181]  oom_kill_process.cold.27+0x10/0x903
[  235.542957]  ? graph_lock+0x170/0x170
[  235.546761]  ? _raw_spin_unlock+0x2c/0x50
[  235.550932]  ? oom_badness+0xe6/0xaa0
[  235.554738]  ? oom_evaluate_task+0x540/0x540
[  235.559168]  ? find_held_lock+0x36/0x1c0
[  235.563237]  ? out_of_memory+0x974/0x14c0
[  235.567403]  ? lock_downgrade+0x900/0x900
[  235.571565]  ? check_preemption_disabled+0x48/0x200
[  235.576597]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.582397]  ? kasan_check_read+0x11/0x20
[  235.586562]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.591839]  ? rcu_bh_qs+0xc0/0xc0
[  235.595383]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.600396]  ? oom_evaluate_task+0x302/0x540
[  235.604818]  out_of_memory+0xa86/0x14c0
[  235.608825]  ? oom_killer_disable+0x3a0/0x3a0
[  235.613324]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  235.618258]  ? __mutex_add_waiter+0x2a0/0x2a0
[  235.622764]  __alloc_pages_slowpath+0x2318/0x2d80
[  235.627656]  ? warn_alloc+0x120/0x120
[  235.631471]  ? find_get_entry+0x2f2/0xc40
[  235.635626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.641164]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  235.646092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.651627]  ? should_fail+0x22d/0xd01
[  235.655522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.660626]  ? __lock_is_held+0xb5/0x140
[  235.664727]  ? __lock_is_held+0xb5/0x140
[  235.668809]  ? find_held_lock+0x36/0x1c0
[  235.672878]  ? ___might_sleep+0x1ed/0x300
[  235.677027]  ? lock_release+0x970/0x970
[  235.681006]  ? arch_local_save_flags+0x40/0x40
[  235.685613]  ? __might_sleep+0x95/0x190
[  235.689594]  __alloc_pages_nodemask+0xa80/0xde0
[  235.694270]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.699289]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.705105]  ? kasan_check_read+0x11/0x20
[  235.709268]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.714580]  ? graph_lock+0x170/0x170
[  235.718384]  ? print_usage_bug+0xc0/0xc0
[  235.722461]  ? graph_lock+0x170/0x170
[  235.726261]  ? graph_lock+0x170/0x170
[  235.730064]  ? __do_page_cache_readahead+0x7ce/0x980
[  235.735172]  ? find_held_lock+0x36/0x1c0
[  235.739243]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  235.744799]  alloc_pages_current+0x10c/0x210
[  235.749206]  ? lock_downgrade+0x900/0x900
[  235.753362]  __page_cache_alloc+0x38f/0x5b0
[  235.757683]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.763483]  ? kasan_check_read+0x11/0x20
[  235.767634]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.772918]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  235.777586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.783125]  ? check_preemption_disabled+0x48/0x200
[  235.788155]  filemap_fault+0x1594/0x25f0
[  235.792230]  ? __lock_page_or_retry+0xa00/0xa00
[  235.796903]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.802701]  ? kasan_check_read+0x11/0x20
[  235.806853]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.812130]  ? rcu_bh_qs+0xc0/0xc0
[  235.815682]  ? filemap_map_pages+0xdea/0x1980
[  235.820184]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.825295]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  235.830573]  ? debug_object_free+0x325/0x690
[  235.834987]  ? find_get_pages_range_tag+0x1320/0x1320
[  235.840182]  ? graph_lock+0x170/0x170
[  235.843992]  ? kasan_check_read+0x11/0x20
[  235.848140]  ? debug_object_destroy+0x2b0/0x2b0
[  235.852825]  ? lock_acquire+0x1ed/0x520
[  235.856808]  ? ext4_filemap_fault+0x7a/0xad
[  235.861138]  ? lock_release+0x970/0x970
[  235.865116]  ? arch_local_save_flags+0x40/0x40
[  235.869705]  ? futex_wait_setup+0x3e0/0x3e0
[  235.874041]  ? down_read+0xb0/0x1d0
[  235.877667]  ? ext4_filemap_fault+0x7a/0xad
[  235.881989]  ? __down_interruptible+0x700/0x700
[  235.886679]  ext4_filemap_fault+0x82/0xad
[  235.890830]  __do_fault+0x100/0x6b0
[  235.894461]  ? print_bad_pte+0x6c0/0x6c0
[  235.898525]  ? do_futex+0x249/0x26d0
[  235.902242]  ? pmd_val+0x88/0x100
[  235.905695]  ? add_mm_counter_fast+0xd0/0xd0
[  235.910102]  ? pmd_val+0x88/0x100
[  235.913567]  ? add_mm_counter_fast+0xd0/0xd0
[  235.917980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.923525]  __handle_mm_fault+0x3709/0x53e0
[  235.927943]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  235.932800]  ? graph_lock+0x170/0x170
[  235.936604]  ? print_usage_bug+0xc0/0xc0
[  235.940667]  ? graph_lock+0x170/0x170
[  235.944465]  ? graph_lock+0x170/0x170
[  235.948287]  ? handle_mm_fault+0x42a/0xc70
[  235.952522]  ? lock_downgrade+0x900/0x900
[  235.956689]  ? check_preemption_disabled+0x48/0x200
[  235.961713]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.967519]  ? kasan_check_read+0x11/0x20
[  235.971670]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.976946]  ? rcu_bh_qs+0xc0/0xc0
[  235.980503]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.985957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.991497]  ? check_preemption_disabled+0x48/0x200
[  235.996523]  handle_mm_fault+0x54f/0xc70
[  236.000593]  ? __handle_mm_fault+0x53e0/0x53e0
[  236.005177]  ? find_vma+0x34/0x190
[  236.008725]  __do_page_fault+0x67d/0xed0
[  236.012806]  ? mm_fault_error+0x380/0x380
[  236.016953]  ? trace_hardirqs_off+0xb8/0x300
[  236.021358]  ? trace_hardirqs_on+0x310/0x310
[  236.025775]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  236.031154]  ? trace_hardirqs_on+0x310/0x310
[  236.035569]  do_page_fault+0xf2/0x7e0
[  236.039371]  ? vmalloc_sync_all+0x30/0x30
[  236.043518]  ? error_entry+0x70/0xd0
[  236.047233]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.052250]  ? trace_hardirqs_on_caller+0xc0/0x300
[  236.057179]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.062107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.066951]  ? trace_hardirqs_off+0x300/0x300
[  236.071442]  ? trace_hardirqs_off_caller+0x300/0x300
[  236.076552]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.081573]  ? page_fault+0x8/0x30
[  236.085115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.089963]  ? page_fault+0x8/0x30
[  236.093504]  page_fault+0x1e/0x30
[  236.096954] RIP: 0033:0x40f9c0
[  236.100150] Code: Bad RIP value.
[  236.103513] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  236.108875] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  236.116141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  236.123405] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  236.130672] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  236.137937] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  236.145230] warn_alloc_show_mem: 1 callbacks suppressed
[  236.145242] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  236.145244] Mem-Info:
[  236.145275] active_anon:52539 inactive_anon:923 isolated_anon:0
[  236.145275]  active_file:16 inactive_file:19 isolated_file:0
[  236.145275]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.145275]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  236.145275]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  236.145275]  free:13650 free_pcp:205 free_cma:0
[  236.150617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.157896] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.160297] Call Trace:
[  236.193248] Node 0 
[  236.202592]  <IRQ>
[  236.230359] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.232920]  dump_stack+0x1c4/0x2b4
[  236.235122] lowmem_reserve[]: 0
[  236.237275]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.262751]  2817 6321
[  236.266404]  warn_alloc.cold.118+0xb7/0x1bd
[  236.269644]  6321
[  236.274827]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.281618]  ? lock_downgrade+0x900/0x900
[  236.283660] Node 0 
[  236.288497]  ? trace_hardirqs_off+0xb8/0x300
[  236.292639] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.294850]  ? trace_hardirqs_off+0xb8/0x300
[  236.299230] lowmem_reserve[]:
[  236.326239]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.330621]  0
[  236.333742]  ? warn_alloc+0x120/0x120
[  236.338534]  0
[  236.340336]  ? trace_hardirqs_on+0x310/0x310
[  236.344109]  3503
[  236.345904]  ? warn_alloc+0x120/0x120
[  236.350285]  3503
[  236.352346]  ? print_usage_bug+0xc0/0xc0
[  236.356122] Node 0 
[  236.358182]  ? warn_alloc+0x120/0x120
[  236.362264] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  236.364471]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  236.368236] lowmem_reserve[]: 0
[  236.396607]  ? print_usage_bug+0xc0/0xc0
[  236.401596]  0
[  236.404869]  ? __lock_acquire+0x7ec/0x4ec0
[  236.408896]  0 0
[  236.410705]  ? __lock_acquire+0x7ec/0x4ec0
[  236.416886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.421092] Node 0 
[  236.426618]  ? should_fail+0x22d/0xd01
[  236.426628] DMA: 
[  236.428864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.432729] 1*4kB 
[  236.434792]  ? __lock_acquire+0x7ec/0x4ec0
[  236.439878] (U) 
[  236.442025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.446226] 0*8kB 0*16kB 
[  236.448204]  ? __lock_acquire+0x7ec/0x4ec0
[  236.453279] 1*32kB 
[  236.456032]  ? should_fail+0x22d/0xd01
[  236.460242] (U) 
[  236.462491]  ? print_usage_bug+0xc0/0xc0
[  236.466348] 2*64kB (U) 
[  236.468332]  ? mark_held_locks+0x130/0x130
[  236.472354] 1*128kB (U) 
[  236.474944]  ? mark_held_locks+0x130/0x130
[  236.479147] 1*256kB (U) 
[  236.481828]  ? graph_lock+0x170/0x170
[  236.486030] 0*512kB 1*1024kB 
[  236.488700]  ? print_usage_bug+0xc0/0xc0
[  236.492473] (U) 
[  236.495575]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.499606] 1*2048kB (M) 
[  236.501587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.506309] 3*4096kB (M) 
[  236.509093]  ? check_preemption_disabled+0x48/0x200
[  236.514595] = 15908kB
[  236.514604] Node 0 
[  236.517360]  ? check_preemption_disabled+0x48/0x200
[  236.522347] DMA32: 
[  236.524778]  ? __lock_is_held+0xb5/0x140
[  236.526987] 2*4kB 
[  236.531997]  __alloc_pages_nodemask+0xa80/0xde0
[  236.534207] (M) 
[  236.538259]  ? graph_lock+0x170/0x170
[  236.540389] 1*8kB 
[  236.545049]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.547016] (U) 
[  236.550813]  ? graph_lock+0x170/0x170
[  236.552938] 4*16kB (UM) 
[  236.557964]  ? find_held_lock+0x36/0x1c0
[  236.559911] 2*32kB 
[  236.563708]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.566345] (UM) 
[  236.570397]  ? lock_downgrade+0x900/0x900
[  236.572603] 3*64kB (UM) 
[  236.577276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.579313] 4*128kB 
[  236.583472]  cache_grow_begin+0x91/0x8c0
[  236.586116] (UM) 
[  236.591651]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.593947] 2*256kB 
[  236.598006]  fallback_alloc+0x203/0x2e0
[  236.600038] (M) 
[  236.604442]  ____cache_alloc_node+0x1c7/0x1e0
[  236.606738] 4*512kB 
[  236.610708]  kmem_cache_alloc_node+0xe3/0x730
[  236.612653] (UM) 3*1024kB 
[  236.617151]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.619445] (M) 
[  236.623938]  __alloc_skb+0x119/0x770
[  236.626752] 1*2048kB 
[  236.630987]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.632930] (M) 4*4096kB 
[  236.636645]  ? skb_scrub_packet+0x490/0x490
[  236.639030] (M) 
[  236.644317]  ? lock_downgrade+0x900/0x900
[  236.647050] = 24912kB
[  236.651371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.653320] Node 0 
[  236.657464]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.659850] Normal: 
[  236.665381]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.667593] 2389*4kB 
[  236.673040]  ? addrconf_rs_timer+0x6f0/0x6f0
[  236.675336] (UME) 
[  236.680797]  ndisc_alloc_skb+0x144/0x340
[  236.683183] 378*8kB 
[  236.687585]  ndisc_send_rs+0x331/0x6e0
[  236.689708] (UME) 
[  236.693764]  addrconf_rs_timer+0x3c0/0x6f0
[  236.696069] 73*16kB 
[  236.699950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.702074] (UM) 
[  236.706315]  call_timer_fn+0x272/0x920
[  236.708593] 1*32kB (U) 
[  236.712828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.714865] 0*64kB 
[  236.718745]  ? process_timeout+0x40/0x40
[  236.721299] 0*128kB 0*256kB 
[  236.725537]  ? find_held_lock+0x36/0x1c0
[  236.727743] 0*512kB 0*1024kB 
[  236.731815]  ? __run_timers+0x7da/0xc70
[  236.734815] 0*2048kB 
[  236.738868]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.741949] 0*4096kB 
[  236.745915]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.748295] = 13780kB
[  236.748310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.752797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.755192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.759762]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  236.762158] 4510 total pagecache pages
[  236.770985]  ? trace_hardirqs_on+0xbd/0x310
[  236.775203] 0 pages in swap cache
[  236.783763]  ? kasan_check_read+0x11/0x20
[  236.788327] Swap cache stats: add 0, delete 0, find 0/0
[  236.792204]  ? __run_timers+0x7da/0xc70
[  236.796494] Free swap  = 0kB
[  236.799938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.804055] Total swap = 0kB
[  236.804064] 1965979 pages RAM
[  236.809419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.813364] 0 pages HighMem/MovableOnly
[  236.816375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.821797] 342744 pages reserved
[  236.824815]  __run_timers+0x7e5/0xc70
[  236.827890] 0 pages cma reserved
[  236.828204] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.832134]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.836077] syz-fuzzer cpuset=
[  236.840309]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.843731] /
[  236.847528]  ? rcu_bh_qs+0xc0/0xc0
[  236.850874]  mems_allowed=0
[  236.861092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.888525]  ? check_preemption_disabled+0x48/0x200
[  236.893550]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.898322]  ? retint_kernel+0x2d/0x2d
[  236.902212]  ? trace_hardirqs_on_caller+0xc0/0x300
[  236.907145]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.911901]  ? trace_hardirqs_off_caller+0x300/0x300
[  236.917016]  ? check_preemption_disabled+0x48/0x200
[  236.922034]  ? graph_lock+0x170/0x170
[  236.925839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.931377]  ? check_preemption_disabled+0x48/0x200
[  236.936406]  ? __lock_is_held+0xb5/0x140
[  236.940470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.946009]  ? check_preemption_disabled+0x48/0x200
[  236.951034]  run_timer_softirq+0x52/0xb0
[  236.955095]  ? rcu_read_lock_sched_held+0x108/0x120
[  236.960114]  __do_softirq+0x30b/0xad8
[  236.963927]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.969039]  ? pvclock_read_flags+0x160/0x160
[  236.973536]  ? lapic_next_event+0x5a/0x90
[  236.977686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.983229]  ? check_preemption_disabled+0x48/0x200
[  236.988245]  ? check_preemption_disabled+0x48/0x200
[  236.993272]  ? kvm_clock_read+0x18/0x30
[  236.997250]  ? kvm_sched_clock_read+0x9/0x20
[  237.001661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.007202]  ? check_preemption_disabled+0x48/0x200
[  237.012231]  irq_exit+0x17f/0x1c0
[  237.015690]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.020532]  ? smp_reschedule_interrupt+0x109/0x650
[  237.025556]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.031441]  ? interrupt_entry+0xb5/0xf0
[  237.035523]  ? trace_hardirqs_off_caller+0xbb/0x300
[  237.040541]  ? trace_hardirqs_off_caller+0xbb/0x300
[  237.045559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.050405]  ? trace_hardirqs_off+0x300/0x300
[  237.054899]  ? trace_hardirqs_off+0x300/0x300
[  237.059397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.064939]  ? check_preemption_disabled+0x48/0x200
[  237.069956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.075753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.080616]  apic_timer_interrupt+0xf/0x20
[  237.084845]  </IRQ>
[  237.087089] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.092020] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  237.110919] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  237.118889] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  237.126154] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  237.133425] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  237.140694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  237.147961] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  237.155279]  skb_clone+0x1bb/0x500
[  237.158830]  ? finish_task_switch+0x2f5/0x900
[  237.163330]  ? skb_split+0x11e0/0x11e0
[  237.167218]  ? preempt_notifier_register+0x200/0x200
[  237.172322]  ? __switch_to_asm+0x34/0x70
[  237.176383]  ? __switch_to_asm+0x34/0x70
[  237.180445]  ? __switch_to_asm+0x40/0x70
[  237.184507]  ? __switch_to_asm+0x34/0x70
[  237.188576]  ? __switch_to_asm+0x40/0x70
[  237.192637]  ? __switch_to_asm+0x34/0x70
[  237.196699]  ? __switch_to_asm+0x40/0x70
[  237.200755]  ? __switch_to_asm+0x34/0x70
[  237.205330]  ? __switch_to_asm+0x34/0x70
[  237.209396]  ? __switch_to_asm+0x40/0x70
[  237.213459]  ? __switch_to_asm+0x34/0x70
[  237.217528]  bpf_clone_redirect+0xb9/0x490
[  237.221765]  ? __schedule+0x874/0x1ed0
[  237.225671]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  237.230688]  ? __sched_text_start+0x8/0x8
[  237.234836]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.239608]  ? find_held_lock+0x36/0x1c0
[  237.243675]  ? lock_acquire+0x1ed/0x520
[  237.247649]  ? bpf_test_run+0x32e/0x5a0
[  237.251628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.257168]  ? check_preemption_disabled+0x48/0x200
[  237.262196]  ? kasan_check_read+0x11/0x20
[  237.266350]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.271627]  ? rcu_bh_qs+0xc0/0xc0
[  237.275172]  ? preempt_schedule+0x4d/0x60
[  237.279328]  ? ___preempt_schedule+0x16/0x18
[  237.283743]  ? bpf_test_run+0x1c0/0x5a0
[  237.287733]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.292148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.297686]  ? bpf_test_init.isra.9+0x70/0x100
[  237.302272]  ? bpf_prog_test_run_skb+0x634/0xb40
[  237.307041]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.311886]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.317425]  ? fput+0x130/0x1a0
[  237.320722]  ? __bpf_prog_get+0x9b/0x290
[  237.324799]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.329639]  ? bpf_prog_test_run+0x130/0x1a0
[  237.334050]  ? __x64_sys_bpf+0x3d8/0x510
[  237.338111]  ? bpf_prog_get+0x20/0x20
[  237.341919]  ? ksys_ioctl+0x81/0xd0
[  237.345555]  ? do_syscall_64+0x1b9/0x820
[  237.349620]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.354985]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.359916]  ? trace_hardirqs_off+0x300/0x300
[  237.364430]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.369446]  ? recalc_sigpending_tsk+0x180/0x180
[  237.374209]  ? kasan_check_write+0x14/0x20
[  237.378454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.383312]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.388697] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  237.388776] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.395624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.395630] Call Trace:
[  237.395637]  <IRQ>
[  237.395653]  dump_stack+0x1c4/0x2b4
[  237.395672]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.402236] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.411519]  warn_alloc.cold.118+0xb7/0x1bd
[  237.414070] syz-executor2 cpuset=
[  237.416214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.419816] syz2
[  237.424998]  ? lock_downgrade+0x900/0x900
[  237.435460]  mems_allowed=0
[  237.439785]  ? trace_hardirqs_off+0xb8/0x300
[  237.461442]  ? trace_hardirqs_off+0xb8/0x300
[  237.465865]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.470739]  ? warn_alloc+0x120/0x120
[  237.474551]  ? warn_alloc+0x120/0x120
[  237.478358]  ? print_usage_bug+0xc0/0xc0
[  237.482418]  ? warn_alloc+0x120/0x120
[  237.486217]  ? print_usage_bug+0xc0/0xc0
[  237.490292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.495833]  ? should_fail+0x22d/0xd01
[  237.499728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.504834]  ? __lock_acquire+0x7ec/0x4ec0
[  237.509077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.514176]  ? __lock_acquire+0x7ec/0x4ec0
[  237.518406]  ? should_fail+0x22d/0xd01
[  237.522307]  ? mark_held_locks+0x130/0x130
[  237.526545]  ? mark_held_locks+0x130/0x130
[  237.530785]  ? graph_lock+0x170/0x170
[  237.534601]  ? graph_lock+0x170/0x170
[  237.538410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.543953]  ? check_preemption_disabled+0x48/0x200
[  237.548968]  ? check_preemption_disabled+0x48/0x200
[  237.553998]  ? __lock_is_held+0xb5/0x140
[  237.558068]  __alloc_pages_nodemask+0xa80/0xde0
[  237.562739]  ? graph_lock+0x170/0x170
[  237.566552]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.571577]  ? graph_lock+0x170/0x170
[  237.575410]  ? find_held_lock+0x36/0x1c0
[  237.579480]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.584151]  ? lock_downgrade+0x900/0x900
[  237.588310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.593852]  cache_grow_begin+0x91/0x8c0
[  237.597915]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.602331]  fallback_alloc+0x203/0x2e0
[  237.606314]  ____cache_alloc_node+0x1c7/0x1e0
[  237.610825]  __kmalloc+0x208/0x760
[  237.614373]  ? __neigh_create+0x30b/0x2130
[  237.618616]  __neigh_create+0x30b/0x2130
[  237.622681]  ? trace_hardirqs_on+0xbd/0x310
[  237.627005]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.632546]  ? ip6t_do_table+0xd9e/0x1d30
[  237.636711]  ? mark_held_locks+0x130/0x130
[  237.640946]  ? __local_bh_enable_ip+0x160/0x260
[  237.645618]  ? neigh_hash_alloc+0x1e0/0x1e0
[  237.649940]  ? trace_hardirqs_on+0xbd/0x310
[  237.654266]  ? ip6t_do_table+0xd9e/0x1d30
[  237.658418]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.663867]  ? trace_hardirqs_on+0xbd/0x310
[  237.668195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.673738]  ? ip6t_do_table+0xd6a/0x1d30
[  237.677897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.683437]  ? check_preemption_disabled+0x48/0x200
[  237.688451]  ? check_preemption_disabled+0x48/0x200
[  237.693485]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  237.699021]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.704303]  ? rcu_pm_notify+0xc0/0xc0
[  237.708199]  ? graph_lock+0x170/0x170
[  237.712013]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  237.717214]  ip6_finish_output2+0xa59/0x27a0
[  237.721632]  ? ip6_copy_metadata+0xe30/0xe30
[  237.726042]  ? ip6_mtu+0x39c/0x520
[  237.729582]  ? lock_downgrade+0x900/0x900
[  237.733732]  ? check_preemption_disabled+0x48/0x200
[  237.738756]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.744567]  ? kasan_check_read+0x11/0x20
[  237.748717]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.753996]  ? rcu_bh_qs+0xc0/0xc0
[  237.757547]  ? ip6_mtu+0x160/0x520
[  237.761086]  ? dst_hold+0x2f0/0x2f0
[  237.764717]  ? kasan_check_read+0x11/0x20
[  237.768865]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.774141]  ? nf_nat_ipv6_out+0x212/0x550
[  237.778385]  ip6_finish_output+0x5fe/0xbc0
[  237.782623]  ? ip6_finish_output+0x5fe/0xbc0
[  237.787036]  ip6_output+0x23e/0xa00
[  237.790668]  ? check_preemption_disabled+0x48/0x200
[  237.795689]  ? ip6_finish_output+0xbc0/0xbc0
[  237.800098]  ? ip6_fragment+0x38c0/0x38c0
[  237.804252]  ? __lock_is_held+0xb5/0x140
[  237.808332]  ndisc_send_skb+0x1005/0x1570
[  237.812489]  ? ndisc_constructor+0xc40/0xc40
[  237.816905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.822443]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.827900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.833374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.838919]  ndisc_send_rs+0x134/0x6e0
[  237.842822]  addrconf_rs_timer+0x3c0/0x6f0
[  237.847069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.851322]  call_timer_fn+0x272/0x920
[  237.855209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.859447]  ? process_timeout+0x40/0x40
[  237.863510]  ? find_held_lock+0x36/0x1c0
[  237.867583]  ? mark_held_locks+0xc7/0x130
[  237.871735]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.876230]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.880727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.884963]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  237.889547]  ? trace_hardirqs_on+0xbd/0x310
[  237.893869]  ? kasan_check_read+0x11/0x20
[  237.898018]  ? __run_timers+0x7da/0xc70
[  237.901992]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.907447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.911691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.915925]  __run_timers+0x7e5/0xc70
[  237.919744]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.925121]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.930156]  ? graph_lock+0x170/0x170
[  237.934011]  ? print_usage_bug+0xc0/0xc0
[  237.938073]  ? lock_release+0x970/0x970
[  237.942053]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.947252]  ? find_held_lock+0x36/0x1c0
[  237.951317]  ? graph_lock+0x170/0x170
[  237.955124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.960667]  ? check_preemption_disabled+0x48/0x200
[  237.965699]  ? __lock_is_held+0xb5/0x140
[  237.969776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.975324]  ? check_preemption_disabled+0x48/0x200
[  237.980351]  run_timer_softirq+0x52/0xb0
[  237.984430]  ? rcu_read_lock_sched_held+0x108/0x120
[  237.989449]  __do_softirq+0x30b/0xad8
[  237.993265]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.998379]  ? pvclock_read_flags+0x160/0x160
[  238.002875]  ? lapic_next_event+0x5a/0x90
[  238.007024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.012565]  ? check_preemption_disabled+0x48/0x200
[  238.017583]  ? check_preemption_disabled+0x48/0x200
[  238.022607]  ? kvm_clock_read+0x18/0x30
[  238.026583]  ? kvm_sched_clock_read+0x9/0x20
[  238.031003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.036547]  ? check_preemption_disabled+0x48/0x200
[  238.041582]  irq_exit+0x17f/0x1c0
[  238.045043]  smp_apic_timer_interrupt+0x1cb/0x760
[  238.049894]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.055790]  ? interrupt_entry+0xb5/0xf0
[  238.059860]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.064880]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.069899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.074754]  ? trace_hardirqs_off+0x300/0x300
[  238.079262]  ? trace_hardirqs_off+0x300/0x300
[  238.083757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.089314]  ? check_preemption_disabled+0x48/0x200
[  238.094329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.099877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.104729]  apic_timer_interrupt+0xf/0x20
[  238.108960]  </IRQ>
[  238.111196] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  238.116471] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  238.135374] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  238.143090] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  238.150362] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  238.157629] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  238.164895] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  238.172165] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  238.179461]  ? arch_local_irq_restore+0x45/0x52
[  238.184139]  dump_stack+0x26a/0x2b4
[  238.187801]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.192997]  ? mark_held_locks+0x130/0x130
[  238.197234]  ? mark_held_locks+0x130/0x130
[  238.201476]  dump_header+0x27b/0xf72
[  238.205211]  ? pagefault_out_of_memory+0x197/0x197
[  238.210147]  ? mark_held_locks+0x130/0x130
[  238.214381]  ? __lock_acquire+0x7ec/0x4ec0
[  238.218615]  ? mem_cgroup_charge_statistics+0x780/0x780
[  238.223981]  ? print_usage_bug+0xc0/0xc0
[  238.228045]  ? print_usage_bug+0xc0/0xc0
[  238.232116]  ? graph_lock+0x170/0x170
[  238.235914]  ? graph_lock+0x170/0x170
[  238.239717]  ? print_usage_bug+0xc0/0xc0
[  238.243785]  ? print_usage_bug+0xc0/0xc0
[  238.247861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.253403]  ? find_held_lock+0x36/0x1c0
[  238.257471]  ? mark_held_locks+0xc7/0x130
[  238.261621]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.266724]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.271829]  ? lockdep_hardirqs_on+0x421/0x5c0
[  238.276412]  ? trace_hardirqs_on+0xbd/0x310
[  238.280737]  ? kasan_check_read+0x11/0x20
[  238.284892]  ? ___ratelimit+0x36f/0x655
[  238.288866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.294318]  ? trace_hardirqs_on+0x310/0x310
[  238.298731]  ? lock_downgrade+0x900/0x900
[  238.302885]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.308004]  ? ___ratelimit+0xaa/0x655
[  238.311901]  ? idr_get_free+0xec0/0xec0
[  238.315878]  ? kasan_check_write+0x14/0x20
[  238.320114]  ? do_raw_spin_lock+0xc1/0x200
[  238.324376]  oom_kill_process.cold.27+0x10/0x903
[  238.329132]  ? graph_lock+0x170/0x170
[  238.332936]  ? _raw_spin_unlock+0x2c/0x50
[  238.337085]  ? oom_badness+0xe6/0xaa0
[  238.340897]  ? oom_evaluate_task+0x540/0x540
[  238.345311]  ? find_held_lock+0x36/0x1c0
[  238.349379]  ? out_of_memory+0x974/0x14c0
[  238.353527]  ? lock_downgrade+0x900/0x900
[  238.357675]  ? check_preemption_disabled+0x48/0x200
[  238.362700]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.368501]  ? kasan_check_read+0x11/0x20
[  238.372648]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.377980]  ? rcu_bh_qs+0xc0/0xc0
[  238.381527]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  238.386540]  ? oom_evaluate_task+0x302/0x540
[  238.390953]  out_of_memory+0xa86/0x14c0
[  238.394939]  ? oom_killer_disable+0x3a0/0x3a0
[  238.399435]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  238.404369]  ? __mutex_add_waiter+0x2a0/0x2a0
[  238.408875]  __alloc_pages_slowpath+0x2318/0x2d80
[  238.413751]  ? warn_alloc+0x120/0x120
[  238.417570]  ? find_get_entry+0x2f2/0xc40
[  238.421726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.427276]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  238.432211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.437753]  ? should_fail+0x22d/0xd01
[  238.441654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.446758]  ? __lock_is_held+0xb5/0x140
[  238.450856]  ? __lock_is_held+0xb5/0x140
[  238.454924]  ? find_held_lock+0x36/0x1c0
[  238.458990]  ? ___might_sleep+0x1ed/0x300
[  238.463134]  ? lock_release+0x970/0x970
[  238.467108]  ? arch_local_save_flags+0x40/0x40
[  238.471704]  ? __might_sleep+0x95/0x190
[  238.475684]  __alloc_pages_nodemask+0xa80/0xde0
[  238.480365]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.485405]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.491207]  ? kasan_check_read+0x11/0x20
[  238.495356]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.500638]  ? graph_lock+0x170/0x170
[  238.504439]  ? print_usage_bug+0xc0/0xc0
[  238.508502]  ? graph_lock+0x170/0x170
[  238.512304]  ? graph_lock+0x170/0x170
[  238.516107]  ? __do_page_cache_readahead+0x7ce/0x980
[  238.521216]  ? find_held_lock+0x36/0x1c0
[  238.525281]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  238.530827]  alloc_pages_current+0x10c/0x210
[  238.535239]  ? lock_downgrade+0x900/0x900
[  238.539410]  __page_cache_alloc+0x38f/0x5b0
[  238.543737]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.549880]  ? kasan_check_read+0x11/0x20
[  238.554033]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.559331]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  238.564007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.569549]  ? check_preemption_disabled+0x48/0x200
[  238.574573]  filemap_fault+0x1594/0x25f0
[  238.578647]  ? __lock_page_or_retry+0xa00/0xa00
[  238.583319]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.589120]  ? kasan_check_read+0x11/0x20
[  238.593269]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.598549]  ? rcu_bh_qs+0xc0/0xc0
[  238.602102]  ? filemap_map_pages+0xdea/0x1980
[  238.606603]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.611711]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  238.616982]  ? debug_object_free+0x325/0x690
[  238.621412]  ? find_get_pages_range_tag+0x1320/0x1320
[  238.626607]  ? graph_lock+0x170/0x170
[  238.630415]  ? kasan_check_read+0x11/0x20
[  238.634562]  ? debug_object_destroy+0x2b0/0x2b0
[  238.639246]  ? lock_acquire+0x1ed/0x520
[  238.643242]  ? ext4_filemap_fault+0x7a/0xad
[  238.647569]  ? lock_release+0x970/0x970
[  238.651543]  ? arch_local_save_flags+0x40/0x40
[  238.656129]  ? futex_wait_setup+0x3e0/0x3e0
[  238.660464]  ? down_read+0xb0/0x1d0
[  238.664089]  ? ext4_filemap_fault+0x7a/0xad
[  238.668409]  ? __down_interruptible+0x700/0x700
[  238.673098]  ext4_filemap_fault+0x82/0xad
[  238.677248]  __do_fault+0x100/0x6b0
[  238.680882]  ? print_bad_pte+0x6c0/0x6c0
[  238.684947]  ? do_futex+0x249/0x26d0
[  238.688664]  ? pmd_val+0x88/0x100
[  238.692116]  ? add_mm_counter_fast+0xd0/0xd0
[  238.696526]  ? pmd_val+0x88/0x100
[  238.699998]  ? add_mm_counter_fast+0xd0/0xd0
[  238.704414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.709957]  __handle_mm_fault+0x3709/0x53e0
[  238.714404]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  238.719246]  ? graph_lock+0x170/0x170
[  238.723049]  ? print_usage_bug+0xc0/0xc0
[  238.727116]  ? graph_lock+0x170/0x170
[  238.730916]  ? graph_lock+0x170/0x170
[  238.734752]  ? handle_mm_fault+0x42a/0xc70
[  238.738999]  ? lock_downgrade+0x900/0x900
[  238.743151]  ? check_preemption_disabled+0x48/0x200
[  238.748174]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.753970]  ? kasan_check_read+0x11/0x20
[  238.758117]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.763399]  ? rcu_bh_qs+0xc0/0xc0
[  238.766938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.772393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.777939]  ? check_preemption_disabled+0x48/0x200
[  238.782965]  handle_mm_fault+0x54f/0xc70
[  238.787034]  ? __handle_mm_fault+0x53e0/0x53e0
[  238.791619]  ? find_vma+0x34/0x190
[  238.795164]  __do_page_fault+0x67d/0xed0
[  238.799235]  ? mm_fault_error+0x380/0x380
[  238.803381]  ? trace_hardirqs_off+0xb8/0x300
[  238.807803]  ? trace_hardirqs_on+0x310/0x310
[  238.812212]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  238.817573]  ? trace_hardirqs_on+0x310/0x310
[  238.821990]  do_page_fault+0xf2/0x7e0
[  238.825808]  ? vmalloc_sync_all+0x30/0x30
[  238.829957]  ? error_entry+0x70/0xd0
[  238.833675]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.838690]  ? trace_hardirqs_on_caller+0xc0/0x300
[  238.843620]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.848551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.853393]  ? trace_hardirqs_off+0x300/0x300
[  238.857889]  ? trace_hardirqs_off_caller+0x300/0x300
[  238.862997]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.868019]  ? page_fault+0x8/0x30
[  238.871561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.876409]  ? page_fault+0x8/0x30
[  238.879951]  page_fault+0x1e/0x30
[  238.883404] RIP: 0033:0x40f9c0
[  238.886600] Code: Bad RIP value.
[  238.889958] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  238.895323] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  238.902593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  238.909860] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  238.917129] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  238.924395] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  238.931682] warn_alloc_show_mem: 1 callbacks suppressed
[  238.931695] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  238.931697] Mem-Info:
[  238.931729] active_anon:52539 inactive_anon:923 isolated_anon:0
[  238.931729]  active_file:16 inactive_file:19 isolated_file:0
[  238.931729]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.931729]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  238.931729]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  238.931729]  free:13650 free_pcp:205 free_cma:0
[  238.937057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.937066] Call Trace:
[  238.944347] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.946744]  <IRQ>
[  238.979702] Node 0 
[  238.989058]  dump_stack+0x1c4/0x2b4
[  238.991636] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  239.019371]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.021489] lowmem_reserve[]: 0
[  239.023736]  warn_alloc.cold.118+0xb7/0x1bd
[  239.027331]  2817
[  239.052839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.058003]  6321
[  239.061279]  ? lock_downgrade+0x900/0x900
[  239.065563]  6321
[  239.067634]  ? trace_hardirqs_off+0xb8/0x300
[  239.072448] Node 0 
[  239.074790]  ? trace_hardirqs_off+0xb8/0x300
[  239.078942] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  239.080982]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.085358] lowmem_reserve[]:
[  239.087612]  ? warn_alloc+0x120/0x120
[  239.091971]  0
[  239.119301]  ? trace_hardirqs_on+0x310/0x310
[  239.124110]  0
[  239.127208]  ? warn_alloc+0x120/0x120
[  239.130980]  3503 3503
[  239.132874]  ? print_usage_bug+0xc0/0xc0
[  239.137260] Node 0 
[  239.139054]  ? warn_alloc+0x120/0x120
[  239.142858] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  239.145326]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  239.149361] lowmem_reserve[]:
[  239.151594]  ? print_usage_bug+0xc0/0xc0
[  239.155370]  0
[  239.183731]  ? __lock_acquire+0x7ec/0x4ec0
[  239.188716]  0 0
[  239.191822]  ? __lock_acquire+0x7ec/0x4ec0
[  239.195856]  0
[  239.197661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.201870] Node 0 
[  239.203844]  ? should_fail+0x22d/0xd01
[  239.208273] DMA: 1*4kB 
[  239.210093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.215604] (U) 
[  239.217837]  ? __lock_acquire+0x7ec/0x4ec0
[  239.221698] 0*8kB 
[  239.224276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.229356] 0*16kB 
[  239.231329]  ? __lock_acquire+0x7ec/0x4ec0
[  239.235535] 1*32kB (U) 
[  239.237689]  ? should_fail+0x22d/0xd01
[  239.242760] 2*64kB (U) 
[  239.245094]  ? print_usage_bug+0xc0/0xc0
[  239.249308] 1*128kB 
[  239.251890]  ? mark_held_locks+0x130/0x130
[  239.255745] (U) 
[  239.258330]  ? mark_held_locks+0x130/0x130
[  239.262369] 1*256kB 
[  239.264706]  ? graph_lock+0x170/0x170
[  239.268928] (U) 
[  239.270899]  ? print_usage_bug+0xc0/0xc0
[  239.275107] 0*512kB 
[  239.277429]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.281201] 1*1024kB 
[  239.283171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.287223] (U) 
[  239.289591]  ? check_preemption_disabled+0x48/0x200
[  239.294318] 1*2048kB 
[  239.296726]  ? check_preemption_disabled+0x48/0x200
[  239.302235] (M) 
[  239.304208]  ? __lock_is_held+0xb5/0x140
[  239.309189] 3*4096kB (M) 
[  239.311603]  __alloc_pages_nodemask+0xa80/0xde0
[  239.316591] = 15908kB
[  239.318557]  ? graph_lock+0x170/0x170
[  239.322597] Node 0 
[  239.325346]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.329983] DMA32: 2*4kB 
[  239.332410]  ? graph_lock+0x170/0x170
[  239.336185] (M) 
[  239.338425]  ? find_held_lock+0x36/0x1c0
[  239.343409] 1*8kB 
[  239.346182]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.349955] (U) 
[  239.351930]  ? lock_downgrade+0x900/0x900
[  239.356075] 4*16kB (UM) 
[  239.358233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.362866] 2*32kB (UM) 
[  239.364847]  cache_grow_begin+0x91/0x8c0
[  239.368969] 3*64kB (UM) 
[  239.371645]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.377147] 4*128kB (UM) 
[  239.379825]  fallback_alloc+0x203/0x2e0
[  239.383854] 2*256kB (M) 
[  239.386530]  ____cache_alloc_node+0x1c7/0x1e0
[  239.390905] 4*512kB (UM) 
[  239.393670]  kmem_cache_alloc_node+0xe3/0x730
[  239.397619] 3*1024kB 
[  239.400306]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.404779] (M) 
[  239.407536]  __alloc_skb+0x119/0x770
[  239.411998] 1*2048kB (M) 
[  239.414428]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.418633] 4*4096kB 
[  239.420620]  ? skb_scrub_packet+0x490/0x490
[  239.424325] (M) 
[  239.427089]  ? lock_downgrade+0x900/0x900
[  239.432334] = 24912kB
[  239.432342] Node 0 
[  239.434752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.439039] Normal: 2389*4kB 
[  239.441020]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.445137] (UME) 378*8kB 
[  239.447551]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.449761] (UME) 
[  239.455309]  ? addrconf_rs_timer+0x6f0/0x6f0
[  239.458386] 73*16kB 
[  239.463834]  ndisc_alloc_skb+0x144/0x340
[  239.466655] (UM) 1*32kB 
[  239.472109]  ndisc_send_rs+0x331/0x6e0
[  239.474233] (U) 
[  239.478636]  addrconf_rs_timer+0x3c0/0x6f0
[  239.480928] 0*64kB 0*128kB 
[  239.484992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.487633] 0*256kB 0*512kB 
[  239.491531]  call_timer_fn+0x272/0x920
[  239.493467] 0*1024kB 0*2048kB 
[  239.497704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.500607] 0*4096kB = 13780kB
[  239.504842]  ? process_timeout+0x40/0x40
[  239.507854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.511721]  ? find_held_lock+0x36/0x1c0
[  239.514894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.519124]  ? __run_timers+0x7da/0xc70
[  239.522286] 4510 total pagecache pages
[  239.526342]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.535157] 0 pages in swap cache
[  239.539200]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.547752] Swap cache stats: add 0, delete 0, find 0/0
[  239.547761] Free swap  = 0kB
[  239.551736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.555596] Total swap = 0kB
[  239.560083]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  239.563512] 1965979 pages RAM
[  239.567998]  ? trace_hardirqs_on+0xbd/0x310
[  239.573352] 0 pages HighMem/MovableOnly
[  239.576360]  ? kasan_check_read+0x11/0x20
[  239.576377]  ? __run_timers+0x7da/0xc70
[  239.580591] 342744 pages reserved
[  239.580600] 0 pages cma reserved
[  239.583615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.588345] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.591270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.595565] syz-fuzzer cpuset=
[  239.599532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.603651] /
[  239.607621]  __run_timers+0x7e5/0xc70
[  239.611049]  mems_allowed=0
[  239.614414]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.655404]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.660686]  ? rcu_bh_qs+0xc0/0xc0
[  239.664229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.669783]  ? check_preemption_disabled+0x48/0x200
[  239.674815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.679584]  ? retint_kernel+0x2d/0x2d
[  239.683477]  ? trace_hardirqs_on_caller+0xc0/0x300
[  239.688410]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.693167]  ? trace_hardirqs_off_caller+0x300/0x300
[  239.698274]  ? check_preemption_disabled+0x48/0x200
[  239.703299]  ? graph_lock+0x170/0x170
[  239.707105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.712645]  ? check_preemption_disabled+0x48/0x200
[  239.717675]  ? __lock_is_held+0xb5/0x140
[  239.721739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.727286]  ? check_preemption_disabled+0x48/0x200
[  239.732323]  run_timer_softirq+0x52/0xb0
[  239.736390]  ? rcu_read_lock_sched_held+0x108/0x120
[  239.741415]  __do_softirq+0x30b/0xad8
[  239.745231]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.750340]  ? pvclock_read_flags+0x160/0x160
[  239.754838]  ? lapic_next_event+0x5a/0x90
[  239.758985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.764528]  ? check_preemption_disabled+0x48/0x200
[  239.769547]  ? check_preemption_disabled+0x48/0x200
[  239.774569]  ? kvm_clock_read+0x18/0x30
[  239.778545]  ? kvm_sched_clock_read+0x9/0x20
[  239.782957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.788502]  ? check_preemption_disabled+0x48/0x200
[  239.793530]  irq_exit+0x17f/0x1c0
[  239.796988]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.801834]  ? smp_reschedule_interrupt+0x109/0x650
[  239.806852]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.812734]  ? interrupt_entry+0xb5/0xf0
[  239.816823]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.821837]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.826853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.831694]  ? trace_hardirqs_off+0x300/0x300
[  239.836187]  ? trace_hardirqs_off+0x300/0x300
[  239.840703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.846244]  ? check_preemption_disabled+0x48/0x200
[  239.851258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.856809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.861667]  apic_timer_interrupt+0xf/0x20
[  239.865893]  </IRQ>
[  239.868133] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.873064] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  239.891962] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  239.899674] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.906941] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  239.914207] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  239.921472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.928740] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  239.936061]  skb_clone+0x1bb/0x500
[  239.939603]  ? finish_task_switch+0x2f5/0x900
[  239.944098]  ? skb_split+0x11e0/0x11e0
[  239.947988]  ? preempt_notifier_register+0x200/0x200
[  239.953094]  ? __switch_to_asm+0x34/0x70
[  239.957154]  ? __switch_to_asm+0x34/0x70
[  239.961215]  ? __switch_to_asm+0x40/0x70
[  239.965277]  ? __switch_to_asm+0x34/0x70
[  239.969343]  ? __switch_to_asm+0x40/0x70
[  239.973402]  ? __switch_to_asm+0x34/0x70
[  239.977459]  ? __switch_to_asm+0x40/0x70
[  239.981533]  ? __switch_to_asm+0x34/0x70
[  239.985618]  ? __switch_to_asm+0x34/0x70
[  239.989679]  ? __switch_to_asm+0x40/0x70
[  239.993737]  ? __switch_to_asm+0x34/0x70
[  239.997813]  bpf_clone_redirect+0xb9/0x490
[  240.002054]  ? __schedule+0x874/0x1ed0
[  240.005948]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  240.010971]  ? __sched_text_start+0x8/0x8
[  240.015118]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.019888]  ? find_held_lock+0x36/0x1c0
[  240.023958]  ? lock_acquire+0x1ed/0x520
[  240.027932]  ? bpf_test_run+0x32e/0x5a0
[  240.031908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.037451]  ? check_preemption_disabled+0x48/0x200
[  240.042476]  ? kasan_check_read+0x11/0x20
[  240.046631]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.051909]  ? rcu_bh_qs+0xc0/0xc0
[  240.055452]  ? preempt_schedule+0x4d/0x60
[  240.059604]  ? ___preempt_schedule+0x16/0x18
[  240.064024]  ? bpf_test_run+0x1c0/0x5a0
[  240.068008]  ? netlink_diag_dump+0x2a0/0x2a0
[  240.072421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.077959]  ? bpf_test_init.isra.9+0x70/0x100
[  240.082548]  ? bpf_prog_test_run_skb+0x634/0xb40
[  240.087319]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.092160]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.097693]  ? fput+0x130/0x1a0
[  240.100973]  ? __bpf_prog_get+0x9b/0x290
[  240.105034]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.109879]  ? bpf_prog_test_run+0x130/0x1a0
[  240.114296]  ? __x64_sys_bpf+0x3d8/0x510
[  240.118358]  ? bpf_prog_get+0x20/0x20
[  240.122170]  ? ksys_ioctl+0x81/0xd0
[  240.125814]  ? do_syscall_64+0x1b9/0x820
[  240.129880]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  240.135248]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.140183]  ? trace_hardirqs_off+0x300/0x300
[  240.144678]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  240.149794]  ? recalc_sigpending_tsk+0x180/0x180
[  240.154560]  ? kasan_check_write+0x14/0x20
[  240.158809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.163665]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  240.169048] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  240.169119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.175970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.175976] Call Trace:
[  240.175983]  <IRQ>
[  240.175998]  dump_stack+0x1c4/0x2b4
[  240.176019]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.182584] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.191853]  warn_alloc.cold.118+0xb7/0x1bd
[  240.194409] syz-executor2 cpuset=
[  240.196552]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.200151] syz2
[  240.205335]  ? lock_downgrade+0x900/0x900
[  240.215800]  mems_allowed=0
[  240.237413]  ? trace_hardirqs_off+0xb8/0x300
[  240.241839]  ? trace_hardirqs_off+0xb8/0x300
[  240.246259]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.251130]  ? ndisc_send_skb+0x1005/0x1570
[  240.255456]  ? warn_alloc+0x120/0x120
[  240.259257]  ? out_of_memory+0xa86/0x14c0
[  240.263403]  ? __alloc_pages_nodemask+0xa80/0xde0
[  240.268244]  ? warn_alloc+0x120/0x120
[  240.272045]  ? print_usage_bug+0xc0/0xc0
[  240.276107]  ? warn_alloc+0x120/0x120
[  240.279910]  ? check_preemption_disabled+0x48/0x200
[  240.284924]  ? print_usage_bug+0xc0/0xc0
[  240.288987]  ? __lock_acquire+0x7ec/0x4ec0
[  240.293219]  ? __lock_acquire+0x7ec/0x4ec0
[  240.297458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.302999]  ? should_fail+0x22d/0xd01
[  240.306896]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.312000]  ? __lock_acquire+0x7ec/0x4ec0
[  240.316242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.321341]  ? __lock_acquire+0x7ec/0x4ec0
[  240.325572]  ? should_fail+0x22d/0xd01
[  240.329468]  ? mark_held_locks+0x130/0x130
[  240.333711]  ? mark_held_locks+0x130/0x130
[  240.337948]  ? ip6_finish_output2+0x1d75/0x27a0
[  240.342622]  ? __kfree_skb+0x20/0x20
[  240.346333]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  240.350917]  ? graph_lock+0x170/0x170
[  240.354718]  ? print_usage_bug+0xc0/0xc0
[  240.358789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.364396]  ? check_preemption_disabled+0x48/0x200
[  240.369430]  ? check_preemption_disabled+0x48/0x200
[  240.374456]  ? __lock_is_held+0xb5/0x140
[  240.378528]  __alloc_pages_nodemask+0xa80/0xde0
[  240.383198]  ? graph_lock+0x170/0x170
[  240.387003]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.392033]  ? graph_lock+0x170/0x170
[  240.395864]  ? find_held_lock+0x36/0x1c0
[  240.399949]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.404621]  ? lock_downgrade+0x900/0x900
[  240.408786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.414353]  cache_grow_begin+0x91/0x8c0
[  240.418420]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.422841]  fallback_alloc+0x203/0x2e0
[  240.426830]  ____cache_alloc_node+0x1c7/0x1e0
[  240.431337]  kmem_cache_alloc_node+0xe3/0x730
[  240.435834]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.440080]  __alloc_skb+0x119/0x770
[  240.443810]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.449090]  ? skb_scrub_packet+0x490/0x490
[  240.453410]  ? lock_downgrade+0x900/0x900
[  240.457568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.463110]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.468564]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.474019]  ? addrconf_rs_timer+0x6f0/0x6f0
[  240.478443]  ndisc_alloc_skb+0x144/0x340
[  240.482511]  ndisc_send_rs+0x331/0x6e0
[  240.486411]  addrconf_rs_timer+0x3c0/0x6f0
[  240.490656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.494905]  call_timer_fn+0x272/0x920
[  240.498809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.503046]  ? process_timeout+0x40/0x40
[  240.507103]  ? find_held_lock+0x36/0x1c0
[  240.511174]  ? mark_held_locks+0xc7/0x130
[  240.515360]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.519853]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.524348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.528583]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  240.533168]  ? trace_hardirqs_on+0xbd/0x310
[  240.537493]  ? kasan_check_read+0x11/0x20
[  240.541642]  ? __run_timers+0x7da/0xc70
[  240.545663]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.551121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.555365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.559600]  __run_timers+0x7e5/0xc70
[  240.563418]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  240.568800]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.573825]  ? graph_lock+0x170/0x170
[  240.577632]  ? print_usage_bug+0xc0/0xc0
[  240.581694]  ? lock_release+0x970/0x970
[  240.585668]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  240.590868]  ? find_held_lock+0x36/0x1c0
[  240.594933]  ? graph_lock+0x170/0x170
[  240.598736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.604274]  ? check_preemption_disabled+0x48/0x200
[  240.609303]  ? __lock_is_held+0xb5/0x140
[  240.613366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.618908]  ? check_preemption_disabled+0x48/0x200
[  240.623934]  run_timer_softirq+0x52/0xb0
[  240.627995]  ? rcu_read_lock_sched_held+0x108/0x120
[  240.633016]  __do_softirq+0x30b/0xad8
[  240.636834]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.641942]  ? pvclock_read_flags+0x160/0x160
[  240.646435]  ? lapic_next_event+0x5a/0x90
[  240.650584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.656120]  ? check_preemption_disabled+0x48/0x200
[  240.661136]  ? check_preemption_disabled+0x48/0x200
[  240.666156]  ? kvm_clock_read+0x18/0x30
[  240.670134]  ? kvm_sched_clock_read+0x9/0x20
[  240.674563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.680106]  ? check_preemption_disabled+0x48/0x200
[  240.685137]  irq_exit+0x17f/0x1c0
[  240.688594]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.693438]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.699324]  ? interrupt_entry+0xb5/0xf0
[  240.703386]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.708402]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.713422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.718273]  ? trace_hardirqs_off+0x300/0x300
[  240.722818]  ? trace_hardirqs_off+0x300/0x300
[  240.727317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.732857]  ? check_preemption_disabled+0x48/0x200
[  240.737875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.743422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.748277]  apic_timer_interrupt+0xf/0x20
[  240.752509]  </IRQ>
[  240.754744] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  240.760030] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  240.778927] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  240.786639] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  240.793907] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  240.801176] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  240.808444] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  240.815713] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  240.822999]  ? arch_local_irq_restore+0x45/0x52
[  240.827676]  dump_stack+0x26a/0x2b4
[  240.831308]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.836505]  ? mark_held_locks+0x130/0x130
[  240.840754]  ? mark_held_locks+0x130/0x130
[  240.845014]  dump_header+0x27b/0xf72
[  240.848744]  ? pagefault_out_of_memory+0x197/0x197
[  240.853702]  ? mark_held_locks+0x130/0x130
[  240.857939]  ? __lock_acquire+0x7ec/0x4ec0
[  240.862174]  ? mem_cgroup_charge_statistics+0x780/0x780
[  240.867541]  ? print_usage_bug+0xc0/0xc0
[  240.871603]  ? print_usage_bug+0xc0/0xc0
[  240.875689]  ? graph_lock+0x170/0x170
[  240.879492]  ? graph_lock+0x170/0x170
[  240.883334]  ? print_usage_bug+0xc0/0xc0
[  240.887395]  ? print_usage_bug+0xc0/0xc0
[  240.891469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.897012]  ? find_held_lock+0x36/0x1c0
[  240.901079]  ? mark_held_locks+0xc7/0x130
[  240.905230]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.910342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.915443]  ? lockdep_hardirqs_on+0x421/0x5c0
[  240.920047]  ? trace_hardirqs_on+0xbd/0x310
[  240.924369]  ? kasan_check_read+0x11/0x20
[  240.928516]  ? ___ratelimit+0x36f/0x655
[  240.932495]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.937945]  ? trace_hardirqs_on+0x310/0x310
[  240.942353]  ? lock_downgrade+0x900/0x900
[  240.946506]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.951611]  ? ___ratelimit+0xaa/0x655
[  240.955503]  ? idr_get_free+0xec0/0xec0
[  240.959485]  ? kasan_check_write+0x14/0x20
[  240.963723]  ? do_raw_spin_lock+0xc1/0x200
[  240.967968]  oom_kill_process.cold.27+0x10/0x903
[  240.972729]  ? graph_lock+0x170/0x170
[  240.976529]  ? _raw_spin_unlock+0x2c/0x50
[  240.980678]  ? oom_badness+0xe6/0xaa0
[  240.984483]  ? oom_evaluate_task+0x540/0x540
[  240.988900]  ? find_held_lock+0x36/0x1c0
[  240.993009]  ? out_of_memory+0x974/0x14c0
[  240.997180]  ? lock_downgrade+0x900/0x900
[  241.001358]  ? check_preemption_disabled+0x48/0x200
[  241.006380]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.012188]  ? kasan_check_read+0x11/0x20
[  241.016341]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.021617]  ? rcu_bh_qs+0xc0/0xc0
[  241.025160]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.030178]  ? oom_evaluate_task+0x302/0x540
[  241.034593]  out_of_memory+0xa86/0x14c0
[  241.038575]  ? oom_killer_disable+0x3a0/0x3a0
[  241.043070]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  241.048002]  ? __mutex_add_waiter+0x2a0/0x2a0
[  241.052512]  __alloc_pages_slowpath+0x2318/0x2d80
[  241.057389]  ? warn_alloc+0x120/0x120
[  241.061206]  ? find_get_entry+0x2f2/0xc40
[  241.065370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.070910]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  241.076269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.081817]  ? should_fail+0x22d/0xd01
[  241.085713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.090823]  ? __lock_is_held+0xb5/0x140
[  241.094911]  ? __lock_is_held+0xb5/0x140
[  241.098982]  ? find_held_lock+0x36/0x1c0
[  241.103046]  ? ___might_sleep+0x1ed/0x300
[  241.107192]  ? lock_release+0x970/0x970
[  241.111169]  ? arch_local_save_flags+0x40/0x40
[  241.115790]  ? __might_sleep+0x95/0x190
[  241.119790]  __alloc_pages_nodemask+0xa80/0xde0
[  241.124472]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.129495]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.135292]  ? kasan_check_read+0x11/0x20
[  241.139442]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.144724]  ? graph_lock+0x170/0x170
[  241.148524]  ? print_usage_bug+0xc0/0xc0
[  241.152590]  ? graph_lock+0x170/0x170
[  241.156393]  ? graph_lock+0x170/0x170
[  241.160193]  ? __do_page_cache_readahead+0x7ce/0x980
[  241.165299]  ? find_held_lock+0x36/0x1c0
[  241.169370]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  241.174912]  alloc_pages_current+0x10c/0x210
[  241.179319]  ? lock_downgrade+0x900/0x900
[  241.183479]  __page_cache_alloc+0x38f/0x5b0
[  241.187820]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.193618]  ? kasan_check_read+0x11/0x20
[  241.197789]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.203079]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  241.207937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.213479]  ? check_preemption_disabled+0x48/0x200
[  241.218506]  filemap_fault+0x1594/0x25f0
[  241.222584]  ? __lock_page_or_retry+0xa00/0xa00
[  241.227255]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.233058]  ? kasan_check_read+0x11/0x20
[  241.237212]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.242507]  ? rcu_bh_qs+0xc0/0xc0
[  241.246061]  ? filemap_map_pages+0xdea/0x1980
[  241.250563]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.255673]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  241.260946]  ? debug_object_free+0x325/0x690
[  241.265359]  ? find_get_pages_range_tag+0x1320/0x1320
[  241.270645]  ? graph_lock+0x170/0x170
[  241.274459]  ? kasan_check_read+0x11/0x20
[  241.278609]  ? debug_object_destroy+0x2b0/0x2b0
[  241.283290]  ? lock_acquire+0x1ed/0x520
[  241.287267]  ? ext4_filemap_fault+0x7a/0xad
[  241.291598]  ? lock_release+0x970/0x970
[  241.295586]  ? arch_local_save_flags+0x40/0x40
[  241.300175]  ? futex_wait_setup+0x3e0/0x3e0
[  241.304520]  ? down_read+0xb0/0x1d0
[  241.308147]  ? ext4_filemap_fault+0x7a/0xad
[  241.312473]  ? __down_interruptible+0x700/0x700
[  241.317167]  ext4_filemap_fault+0x82/0xad
[  241.321325]  __do_fault+0x100/0x6b0
[  241.324972]  ? print_bad_pte+0x6c0/0x6c0
[  241.329033]  ? do_futex+0x249/0x26d0
[  241.332752]  ? pmd_val+0x88/0x100
[  241.336229]  ? add_mm_counter_fast+0xd0/0xd0
[  241.340638]  ? pmd_val+0x88/0x100
[  241.344090]  ? add_mm_counter_fast+0xd0/0xd0
[  241.348532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.354078]  __handle_mm_fault+0x3709/0x53e0
[  241.358504]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  241.363350]  ? graph_lock+0x170/0x170
[  241.367150]  ? print_usage_bug+0xc0/0xc0
[  241.371216]  ? graph_lock+0x170/0x170
[  241.375016]  ? graph_lock+0x170/0x170
[  241.378844]  ? handle_mm_fault+0x42a/0xc70
[  241.383082]  ? lock_downgrade+0x900/0x900
[  241.387236]  ? check_preemption_disabled+0x48/0x200
[  241.392264]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  241.398060]  ? kasan_check_read+0x11/0x20
[  241.402211]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.407492]  ? rcu_bh_qs+0xc0/0xc0
[  241.411041]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.416508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.422057]  ? check_preemption_disabled+0x48/0x200
[  241.427097]  handle_mm_fault+0x54f/0xc70
[  241.431163]  ? __handle_mm_fault+0x53e0/0x53e0
[  241.435751]  ? find_vma+0x34/0x190
[  241.439306]  __do_page_fault+0x67d/0xed0
[  241.443381]  ? mm_fault_error+0x380/0x380
[  241.447528]  ? trace_hardirqs_off+0xb8/0x300
[  241.451938]  ? trace_hardirqs_on+0x310/0x310
[  241.456348]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  241.461744]  ? trace_hardirqs_on+0x310/0x310
[  241.466189]  do_page_fault+0xf2/0x7e0
[  241.469993]  ? vmalloc_sync_all+0x30/0x30
[  241.474145]  ? error_entry+0x70/0xd0
[  241.477868]  ? trace_hardirqs_off_caller+0xbb/0x300
[  241.482881]  ? trace_hardirqs_on_caller+0xc0/0x300
[  241.487817]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.492750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.497605]  ? trace_hardirqs_off+0x300/0x300
[  241.502102]  ? trace_hardirqs_off_caller+0x300/0x300
[  241.507212]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.512234]  ? page_fault+0x8/0x30
[  241.515784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.520653]  ? page_fault+0x8/0x30
[  241.524194]  page_fault+0x1e/0x30
[  241.527668] RIP: 0033:0x40f9c0
[  241.530869] Code: Bad RIP value.
[  241.534231] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  241.539596] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  241.546861] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  241.554131] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  241.561396] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  241.568661] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  241.575955] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  241.575961] warn_alloc_show_mem: 1 callbacks suppressed
[  241.575968] Mem-Info:
[  241.583239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.583247] Call Trace:
[  241.588620] active_anon:52539 inactive_anon:923 isolated_anon:0
[  241.588620]  active_file:16 inactive_file:19 isolated_file:0
[  241.588620]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.588620]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  241.588620]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  241.588620]  free:13650 free_pcp:205 free_cma:0
[  241.590996]  <IRQ>
[  241.600387] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.602969]  dump_stack+0x1c4/0x2b4
[  241.635911] Node 0 
[  241.638064]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.665825] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.669431]  warn_alloc.cold.118+0xb7/0x1bd
[  241.671634] lowmem_reserve[]:
[  241.676820]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.702297]  0 2817
[  241.706630]  ? lock_downgrade+0x900/0x900
[  241.709707]  6321
[  241.714561]  ? trace_hardirqs_off+0xb8/0x300
[  241.716785]  6321
[  241.720936]  ? trace_hardirqs_off+0xb8/0x300
[  241.722971] Node 0 
[  241.727385]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.729441] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.733846]  ? warn_alloc+0x120/0x120
[  241.736027] lowmem_reserve[]: 0
[  241.740874]  ? trace_hardirqs_on+0x310/0x310
[  241.767825]  0 3503
[  241.771632]  ? warn_alloc+0x120/0x120
[  241.774885]  3503
[  241.779357]  ? print_usage_bug+0xc0/0xc0
[  241.781571] Node 0 
[  241.785364]  ? warn_alloc+0x120/0x120
[  241.787434] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  241.791466]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.793675] lowmem_reserve[]:
[  241.797470]  ? print_usage_bug+0xc0/0xc0
[  241.825820]  0
[  241.830832]  ? __lock_acquire+0x7ec/0x4ec0
[  241.833912]  0
[  241.837965]  ? __lock_acquire+0x7ec/0x4ec0
[  241.839740]  0
[  241.843969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.845741]  0
[  241.849988]  ? should_fail+0x22d/0xd01
[  241.851805] Node 0 
[  241.857333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.859109] DMA: 
[  241.862990]  ? __lock_acquire+0x7ec/0x4ec0
[  241.865202] 1*4kB 
[  241.870301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.872334] (U) 
[  241.876558]  ? __lock_acquire+0x7ec/0x4ec0
[  241.878684] 0*8kB 
[  241.883792]  ? should_fail+0x22d/0xd01
[  241.885758] 0*16kB 
[  241.889998]  ? print_usage_bug+0xc0/0xc0
[  241.892126] 1*32kB 
[  241.896010]  ? mark_held_locks+0x130/0x130
[  241.898216] (U) 
[  241.902269]  ? mark_held_locks+0x130/0x130
[  241.904481] 2*64kB 
[  241.908712]  ? graph_lock+0x170/0x170
[  241.910660] (U) 
[  241.914890]  ? print_usage_bug+0xc0/0xc0
[  241.917103] 1*128kB 
[  241.920895]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.922848] (U) 
[  241.926905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.929200] 1*256kB (U) 
[  241.933961]  ? check_preemption_disabled+0x48/0x200
[  241.935914] 0*512kB 
[  241.941444]  ? check_preemption_disabled+0x48/0x200
[  241.941470]  ? __lock_is_held+0xb5/0x140
[  241.944109] 1*1024kB 
[  241.949122]  __alloc_pages_nodemask+0xa80/0xde0
[  241.951417] (U) 
[  241.956424]  ? graph_lock+0x170/0x170
[  241.960461] 1*2048kB 
[  241.962872]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.967514] (M) 
[  241.969488]  ? graph_lock+0x170/0x170
[  241.973263] 3*4096kB 
[  241.975676]  ? find_held_lock+0x36/0x1c0
[  241.980656] (M) 
[  241.982634]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.986401] = 15908kB
[  241.988814]  ? lock_downgrade+0x900/0x900
[  241.992847] Node 0 
[  241.994825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.999464] DMA32: 
[  242.001871]  cache_grow_begin+0x91/0x8c0
[  242.005993] 2*4kB 
[  242.008225]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.013736] (M) 
[  242.015972]  fallback_alloc+0x203/0x2e0
[  242.020005] 1*8kB 
[  242.022148]  ____cache_alloc_node+0x1c7/0x1e0
[  242.026533] (U) 
[  242.028531]  kmem_cache_alloc_node+0xe3/0x730
[  242.032476] 4*16kB (UM) 
[  242.034631]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.039094] 2*32kB (UM) 
[  242.041077]  __alloc_skb+0x119/0x770
[  242.045534] 3*64kB (UM) 
[  242.048208]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.052415] 4*128kB 
[  242.055080]  ? skb_scrub_packet+0x490/0x490
[  242.058766] (UM) 
[  242.061461]  ? lock_downgrade+0x900/0x900
[  242.066714] 2*256kB 
[  242.069033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.073322] (M) 
[  242.075380]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.079503] 4*512kB 
[  242.081823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.087332] (UM) 
[  242.089307]  ? addrconf_rs_timer+0x6f0/0x6f0
[  242.094728] 3*1024kB 
[  242.097053]  ndisc_alloc_skb+0x144/0x340
[  242.102461] (M) 1*2048kB 
[  242.104528]  ndisc_send_rs+0x331/0x6e0
[  242.108913] (M) 
[  242.111323]  addrconf_rs_timer+0x3c0/0x6f0
[  242.115357] 4*4096kB 
[  242.118166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.122027] (M) = 24912kB
[  242.124019]  call_timer_fn+0x272/0x920
[  242.128220] Node 0 
[  242.130623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.134832] Normal: 2389*4kB 
[  242.137595]  ? process_timeout+0x40/0x40
[  242.141456] (UME) 
[  242.143682]  ? find_held_lock+0x36/0x1c0
[  242.143705]  ? __run_timers+0x7da/0xc70
[  242.147909] 378*8kB (UME) 
[  242.151022]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.155053] 73*16kB (UM) 
[  242.157203]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.161236] 1*32kB (U) 
[  242.165213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.168025] 0*64kB 0*128kB 
[  242.172523]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  242.175254] 0*256kB 
[  242.179742]  ? trace_hardirqs_on+0xbd/0x310
[  242.182293] 0*512kB 0*1024kB 0*2048kB 
[  242.186541]  ? kasan_check_read+0x11/0x20
[  242.189535] 0*4096kB = 13780kB
[  242.194119]  ? __run_timers+0x7da/0xc70
[  242.196420] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.200725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.204612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  242.204621] 4510 total pagecache pages
[  242.208768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.211953] 0 pages in swap cache
[  242.215914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.224728] Swap cache stats: add 0, delete 0, find 0/0
[  242.230169]  __run_timers+0x7e5/0xc70
[  242.238716] Free swap  = 0kB
[  242.242609]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.246809] Total swap = 0kB
[  242.250518]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.254722] 1965979 pages RAM
[  242.260077]  ? rcu_bh_qs+0xc0/0xc0
[  242.263847] 0 pages HighMem/MovableOnly
[  242.263856] 342744 pages reserved
[  242.266872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.272248] 0 pages cma reserved
[  242.275265]  ? check_preemption_disabled+0x48/0x200
[  242.280584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.283617]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.283637]  ? retint_kernel+0x2d/0x2d
[  242.283655]  ? trace_hardirqs_on_caller+0xc0/0x300
[  242.287236] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.291140]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.294569] syz-fuzzer cpuset=
[  242.300101]  ? trace_hardirqs_off_caller+0x300/0x300
[  242.303439] /
[  242.308454]  ? check_preemption_disabled+0x48/0x200
[  242.314921]  mems_allowed=0
[  242.319668]  ? graph_lock+0x170/0x170
[  242.365068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.370614]  ? check_preemption_disabled+0x48/0x200
[  242.375642]  ? __lock_is_held+0xb5/0x140
[  242.379709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.385251]  ? check_preemption_disabled+0x48/0x200
[  242.390298]  run_timer_softirq+0x52/0xb0
[  242.394363]  ? rcu_read_lock_sched_held+0x108/0x120
[  242.399383]  __do_softirq+0x30b/0xad8
[  242.403195]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.408310]  ? pvclock_read_flags+0x160/0x160
[  242.412812]  ? lapic_next_event+0x5a/0x90
[  242.416962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.422502]  ? check_preemption_disabled+0x48/0x200
[  242.427522]  ? check_preemption_disabled+0x48/0x200
[  242.432550]  ? kvm_clock_read+0x18/0x30
[  242.436529]  ? kvm_sched_clock_read+0x9/0x20
[  242.440941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.446482]  ? check_preemption_disabled+0x48/0x200
[  242.451514]  irq_exit+0x17f/0x1c0
[  242.454975]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.459820]  ? smp_reschedule_interrupt+0x109/0x650
[  242.464876]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.470761]  ? interrupt_entry+0xb5/0xf0
[  242.474837]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.479853]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.484892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.489741]  ? trace_hardirqs_off+0x300/0x300
[  242.494259]  ? trace_hardirqs_off+0x300/0x300
[  242.498761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.504330]  ? check_preemption_disabled+0x48/0x200
[  242.509346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.514893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.519746]  apic_timer_interrupt+0xf/0x20
[  242.523984]  </IRQ>
[  242.526228] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.531158] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  242.550064] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  242.557789] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.565061] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  242.572331] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  242.579595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.586869] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  242.594185]  skb_clone+0x1bb/0x500
[  242.597734]  ? finish_task_switch+0x2f5/0x900
[  242.602232]  ? skb_split+0x11e0/0x11e0
[  242.606126]  ? preempt_notifier_register+0x200/0x200
[  242.611235]  ? __switch_to_asm+0x34/0x70
[  242.615304]  ? __switch_to_asm+0x34/0x70
[  242.619367]  ? __switch_to_asm+0x40/0x70
[  242.623426]  ? __switch_to_asm+0x34/0x70
[  242.627490]  ? __switch_to_asm+0x40/0x70
[  242.631554]  ? __switch_to_asm+0x34/0x70
[  242.635613]  ? __switch_to_asm+0x40/0x70
[  242.639671]  ? __switch_to_asm+0x34/0x70
[  242.643733]  ? __switch_to_asm+0x34/0x70
[  242.647800]  ? __switch_to_asm+0x40/0x70
[  242.651864]  ? __switch_to_asm+0x34/0x70
[  242.655938]  bpf_clone_redirect+0xb9/0x490
[  242.660175]  ? __schedule+0x874/0x1ed0
[  242.664072]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  242.669096]  ? __sched_text_start+0x8/0x8
[  242.673252]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.678061]  ? find_held_lock+0x36/0x1c0
[  242.682128]  ? lock_acquire+0x1ed/0x520
[  242.686100]  ? bpf_test_run+0x32e/0x5a0
[  242.690076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.695623]  ? check_preemption_disabled+0x48/0x200
[  242.700651]  ? kasan_check_read+0x11/0x20
[  242.704815]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.710100]  ? rcu_bh_qs+0xc0/0xc0
[  242.713647]  ? preempt_schedule+0x4d/0x60
[  242.717805]  ? ___preempt_schedule+0x16/0x18
[  242.722228]  ? bpf_test_run+0x1c0/0x5a0
[  242.726215]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.730634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.736173]  ? bpf_test_init.isra.9+0x70/0x100
[  242.740766]  ? bpf_prog_test_run_skb+0x634/0xb40
[  242.745543]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.750385]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.755922]  ? fput+0x130/0x1a0
[  242.759211]  ? __bpf_prog_get+0x9b/0x290
[  242.763275]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.768120]  ? bpf_prog_test_run+0x130/0x1a0
[  242.772537]  ? __x64_sys_bpf+0x3d8/0x510
[  242.776605]  ? bpf_prog_get+0x20/0x20
[  242.780418]  ? ksys_ioctl+0x81/0xd0
[  242.784057]  ? do_syscall_64+0x1b9/0x820
[  242.788122]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.793496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.798445]  ? trace_hardirqs_off+0x300/0x300
[  242.802949]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.807989]  ? recalc_sigpending_tsk+0x180/0x180
[  242.812757]  ? kasan_check_write+0x14/0x20
[  242.817013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.821871]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.827263] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  242.827350] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.834190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.834196] Call Trace:
[  242.834203]  <IRQ>
[  242.834221]  dump_stack+0x1c4/0x2b4
[  242.834235]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.834262]  warn_alloc.cold.118+0xb7/0x1bd
[  242.840806] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.850089]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.852650] syz-executor2 cpuset=
[  242.854807]  ? lock_downgrade+0x900/0x900
[  242.858402] syz2
[  242.863587]  ? trace_hardirqs_off+0xb8/0x300
[  242.867882]  mems_allowed=0
[  242.878368]  ? trace_hardirqs_off+0xb8/0x300
[  242.904433]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.909320]  ? warn_alloc+0x120/0x120
[  242.913128]  ? warn_alloc+0x120/0x120
[  242.916934]  ? print_usage_bug+0xc0/0xc0
[  242.920997]  ? warn_alloc+0x120/0x120
[  242.924817]  ? print_usage_bug+0xc0/0xc0
[  242.928883]  ? __lock_acquire+0x7ec/0x4ec0
[  242.933137]  ? __lock_acquire+0x7ec/0x4ec0
[  242.937381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.942923]  ? should_fail+0x22d/0xd01
[  242.946822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.951927]  ? __lock_acquire+0x7ec/0x4ec0
[  242.956166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.961270]  ? __lock_acquire+0x7ec/0x4ec0
[  242.965503]  ? should_fail+0x22d/0xd01
[  242.969402]  ? mark_held_locks+0x130/0x130
[  242.973640]  ? mark_held_locks+0x130/0x130
[  242.977876]  ? graph_lock+0x170/0x170
[  242.981678]  ? graph_lock+0x170/0x170
[  242.985478]  ? graph_lock+0x170/0x170
[  242.989277]  ? print_usage_bug+0xc0/0xc0
[  242.993340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.998877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.004416]  ? check_preemption_disabled+0x48/0x200
[  243.009434]  ? check_preemption_disabled+0x48/0x200
[  243.014492]  ? __lock_is_held+0xb5/0x140
[  243.018562]  __alloc_pages_nodemask+0xa80/0xde0
[  243.023230]  ? graph_lock+0x170/0x170
[  243.027037]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.032052]  ? graph_lock+0x170/0x170
[  243.035867]  ? find_held_lock+0x36/0x1c0
[  243.039938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.044611]  ? lock_downgrade+0x900/0x900
[  243.048768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.054330]  cache_grow_begin+0x91/0x8c0
[  243.058396]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.062828]  fallback_alloc+0x203/0x2e0
[  243.066836]  ____cache_alloc_node+0x1c7/0x1e0
[  243.071342]  kmem_cache_alloc_node+0xe3/0x730
[  243.076276]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.080525]  __alloc_skb+0x119/0x770
[  243.084254]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.089534]  ? skb_scrub_packet+0x490/0x490
[  243.093854]  ? lock_downgrade+0x900/0x900
[  243.098012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.103553]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.109010]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.114465]  ? addrconf_rs_timer+0x6f0/0x6f0
[  243.118890]  ndisc_alloc_skb+0x144/0x340
[  243.122965]  ndisc_send_rs+0x331/0x6e0
[  243.126861]  addrconf_rs_timer+0x3c0/0x6f0
[  243.131101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.135354]  call_timer_fn+0x272/0x920
[  243.139246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.143484]  ? process_timeout+0x40/0x40
[  243.147543]  ? find_held_lock+0x36/0x1c0
[  243.151622]  ? mark_held_locks+0xc7/0x130
[  243.155780]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.160285]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.164791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.169035]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  243.173633]  ? trace_hardirqs_on+0xbd/0x310
[  243.177955]  ? kasan_check_read+0x11/0x20
[  243.182104]  ? __run_timers+0x7da/0xc70
[  243.186086]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.191550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.195816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.200056]  __run_timers+0x7e5/0xc70
[  243.203870]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.209390]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.214410]  ? graph_lock+0x170/0x170
[  243.218216]  ? print_usage_bug+0xc0/0xc0
[  243.222278]  ? lock_release+0x970/0x970
[  243.226257]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.231458]  ? find_held_lock+0x36/0x1c0
[  243.235528]  ? graph_lock+0x170/0x170
[  243.239332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.244875]  ? check_preemption_disabled+0x48/0x200
[  243.249908]  ? __lock_is_held+0xb5/0x140
[  243.253972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.259514]  ? check_preemption_disabled+0x48/0x200
[  243.264543]  run_timer_softirq+0x52/0xb0
[  243.268610]  ? rcu_read_lock_sched_held+0x108/0x120
[  243.273632]  __do_softirq+0x30b/0xad8
[  243.277444]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.282557]  ? pvclock_read_flags+0x160/0x160
[  243.287057]  ? lapic_next_event+0x5a/0x90
[  243.291208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.296755]  ? check_preemption_disabled+0x48/0x200
[  243.301800]  ? check_preemption_disabled+0x48/0x200
[  243.306837]  ? kvm_clock_read+0x18/0x30
[  243.310831]  ? kvm_sched_clock_read+0x9/0x20
[  243.315242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.320799]  ? check_preemption_disabled+0x48/0x200
[  243.325836]  irq_exit+0x17f/0x1c0
[  243.329296]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.334145]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.340029]  ? interrupt_entry+0xb5/0xf0
[  243.344091]  ? trace_hardirqs_off_caller+0xbb/0x300
[  243.349108]  ? trace_hardirqs_off_caller+0xbb/0x300
[  243.354129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.358975]  ? trace_hardirqs_off+0x300/0x300
[  243.363467]  ? trace_hardirqs_off+0x300/0x300
[  243.367966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.373515]  ? check_preemption_disabled+0x48/0x200
[  243.378537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.384098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.388955]  apic_timer_interrupt+0xf/0x20
[  243.393187]  </IRQ>
[  243.395425] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  243.400707] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  243.419616] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  243.427333] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  243.434610] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  243.441891] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  243.449168] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  243.456444] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  243.463740]  ? arch_local_irq_restore+0x45/0x52
[  243.468422]  dump_stack+0x26a/0x2b4
[  243.472051]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.477247]  ? mark_held_locks+0x130/0x130
[  243.481480]  ? mark_held_locks+0x130/0x130
[  243.485721]  dump_header+0x27b/0xf72
[  243.489450]  ? pagefault_out_of_memory+0x197/0x197
[  243.494383]  ? mark_held_locks+0x130/0x130
[  243.498622]  ? __lock_acquire+0x7ec/0x4ec0
[  243.502859]  ? mem_cgroup_charge_statistics+0x780/0x780
[  243.508224]  ? print_usage_bug+0xc0/0xc0
[  243.512283]  ? print_usage_bug+0xc0/0xc0
[  243.516357]  ? graph_lock+0x170/0x170
[  243.520173]  ? graph_lock+0x170/0x170
[  243.523974]  ? print_usage_bug+0xc0/0xc0
[  243.528030]  ? print_usage_bug+0xc0/0xc0
[  243.532098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.537642]  ? find_held_lock+0x36/0x1c0
[  243.541711]  ? mark_held_locks+0xc7/0x130
[  243.545869]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.550971]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.556072]  ? lockdep_hardirqs_on+0x421/0x5c0
[  243.560657]  ? trace_hardirqs_on+0xbd/0x310
[  243.564978]  ? kasan_check_read+0x11/0x20
[  243.569125]  ? ___ratelimit+0x36f/0x655
[  243.573101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.578553]  ? trace_hardirqs_on+0x310/0x310
[  243.582964]  ? lock_downgrade+0x900/0x900
[  243.587119]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.592224]  ? ___ratelimit+0xaa/0x655
[  243.596118]  ? idr_get_free+0xec0/0xec0
[  243.600095]  ? kasan_check_write+0x14/0x20
[  243.604335]  ? do_raw_spin_lock+0xc1/0x200
[  243.608578]  oom_kill_process.cold.27+0x10/0x903
[  243.613338]  ? graph_lock+0x170/0x170
[  243.617139]  ? _raw_spin_unlock+0x2c/0x50
[  243.621284]  ? oom_badness+0xe6/0xaa0
[  243.625090]  ? oom_evaluate_task+0x540/0x540
[  243.629504]  ? find_held_lock+0x36/0x1c0
[  243.633588]  ? out_of_memory+0x974/0x14c0
[  243.637740]  ? lock_downgrade+0x900/0x900
[  243.641895]  ? check_preemption_disabled+0x48/0x200
[  243.646919]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.652720]  ? kasan_check_read+0x11/0x20
[  243.656868]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.662148]  ? rcu_bh_qs+0xc0/0xc0
[  243.665693]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.670709]  ? oom_evaluate_task+0x302/0x540
[  243.675124]  out_of_memory+0xa86/0x14c0
[  243.679107]  ? oom_killer_disable+0x3a0/0x3a0
[  243.683602]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  243.688539]  ? __mutex_add_waiter+0x2a0/0x2a0
[  243.693046]  __alloc_pages_slowpath+0x2318/0x2d80
[  243.697923]  ? warn_alloc+0x120/0x120
[  243.701749]  ? find_get_entry+0x2f2/0xc40
[  243.705918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.711460]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  243.716392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.721934]  ? should_fail+0x22d/0xd01
[  243.725834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.730936]  ? __lock_is_held+0xb5/0x140
[  243.735022]  ? __lock_is_held+0xb5/0x140
[  243.739089]  ? find_held_lock+0x36/0x1c0
[  243.743155]  ? ___might_sleep+0x1ed/0x300
[  243.747302]  ? lock_release+0x970/0x970
[  243.751300]  ? arch_local_save_flags+0x40/0x40
[  243.755898]  ? __might_sleep+0x95/0x190
[  243.759878]  __alloc_pages_nodemask+0xa80/0xde0
[  243.764571]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.769597]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.775398]  ? kasan_check_read+0x11/0x20
[  243.779560]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.784844]  ? graph_lock+0x170/0x170
[  243.788649]  ? print_usage_bug+0xc0/0xc0
[  243.792762]  ? graph_lock+0x170/0x170
[  243.796619]  ? graph_lock+0x170/0x170
[  243.800434]  ? __do_page_cache_readahead+0x7ce/0x980
[  243.805544]  ? find_held_lock+0x36/0x1c0
[  243.809612]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.815155]  alloc_pages_current+0x10c/0x210
[  243.819560]  ? lock_downgrade+0x900/0x900
[  243.823716]  __page_cache_alloc+0x38f/0x5b0
[  243.828042]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.833879]  ? kasan_check_read+0x11/0x20
[  243.838029]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.843314]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  243.847989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.853531]  ? check_preemption_disabled+0x48/0x200
[  243.858556]  filemap_fault+0x1594/0x25f0
[  243.862631]  ? __lock_page_or_retry+0xa00/0xa00
[  243.867299]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.873094]  ? kasan_check_read+0x11/0x20
[  243.877241]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.882519]  ? rcu_bh_qs+0xc0/0xc0
[  243.886070]  ? filemap_map_pages+0xdea/0x1980
[  243.890572]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.895678]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  243.900951]  ? debug_object_free+0x325/0x690
[  243.905363]  ? find_get_pages_range_tag+0x1320/0x1320
[  243.910561]  ? graph_lock+0x170/0x170
[  243.914371]  ? kasan_check_read+0x11/0x20
[  243.918525]  ? debug_object_destroy+0x2b0/0x2b0
[  243.923207]  ? lock_acquire+0x1ed/0x520
[  243.927186]  ? ext4_filemap_fault+0x7a/0xad
[  243.931522]  ? lock_release+0x970/0x970
[  243.935499]  ? arch_local_save_flags+0x40/0x40
[  243.940088]  ? futex_wait_setup+0x3e0/0x3e0
[  243.944427]  ? down_read+0xb0/0x1d0
[  243.948057]  ? ext4_filemap_fault+0x7a/0xad
[  243.952386]  ? __down_interruptible+0x700/0x700
[  243.957083]  ext4_filemap_fault+0x82/0xad
[  243.961241]  __do_fault+0x100/0x6b0
[  243.964877]  ? print_bad_pte+0x6c0/0x6c0
[  243.968950]  ? do_futex+0x249/0x26d0
[  243.972670]  ? pmd_val+0x88/0x100
[  243.976127]  ? add_mm_counter_fast+0xd0/0xd0
[  243.980536]  ? pmd_val+0x88/0x100
[  243.983989]  ? add_mm_counter_fast+0xd0/0xd0
[  243.988402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.993946]  __handle_mm_fault+0x3709/0x53e0
[  243.998370]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  244.003215]  ? graph_lock+0x170/0x170
[  244.007019]  ? print_usage_bug+0xc0/0xc0
[  244.011102]  ? graph_lock+0x170/0x170
[  244.014902]  ? graph_lock+0x170/0x170
[  244.018722]  ? handle_mm_fault+0x42a/0xc70
[  244.022959]  ? lock_downgrade+0x900/0x900
[  244.027125]  ? check_preemption_disabled+0x48/0x200
[  244.032155]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  244.037955]  ? kasan_check_read+0x11/0x20
[  244.042110]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.047391]  ? rcu_bh_qs+0xc0/0xc0
[  244.050932]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.056392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.061936]  ? check_preemption_disabled+0x48/0x200
[  244.066964]  handle_mm_fault+0x54f/0xc70
[  244.071032]  ? __handle_mm_fault+0x53e0/0x53e0
[  244.075619]  ? find_vma+0x34/0x190
[  244.079164]  __do_page_fault+0x67d/0xed0
[  244.083234]  ? mm_fault_error+0x380/0x380
[  244.087381]  ? trace_hardirqs_off+0xb8/0x300
[  244.091813]  ? trace_hardirqs_on+0x310/0x310
[  244.096225]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.101586]  ? trace_hardirqs_on+0x310/0x310
[  244.106001]  do_page_fault+0xf2/0x7e0
[  244.109818]  ? vmalloc_sync_all+0x30/0x30
[  244.113969]  ? error_entry+0x70/0xd0
[  244.117686]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.122702]  ? trace_hardirqs_on_caller+0xc0/0x300
[  244.127630]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.132561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.137404]  ? trace_hardirqs_off+0x300/0x300
[  244.141899]  ? trace_hardirqs_off_caller+0x300/0x300
[  244.147008]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.152031]  ? page_fault+0x8/0x30
[  244.155575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.160421]  ? page_fault+0x8/0x30
[  244.163962]  page_fault+0x1e/0x30
[  244.167413] RIP: 0033:0x40f9c0
[  244.170611] Code: Bad RIP value.
[  244.173971] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  244.179337] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  244.186602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  244.193867] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  244.201137] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  244.208401] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  244.215694] warn_alloc_show_mem: 1 callbacks suppressed
[  244.215706] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  244.215708] Mem-Info:
[  244.215740] active_anon:52539 inactive_anon:923 isolated_anon:0
[  244.215740]  active_file:16 inactive_file:19 isolated_file:0
[  244.215740]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.215740]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  244.215740]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  244.215740]  free:13650 free_pcp:205 free_cma:0
[  244.221072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.221081] Call Trace:
[  244.228361] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.230761]  <IRQ>
[  244.263721] Node 0 
[  244.273076]  dump_stack+0x1c4/0x2b4
[  244.275661] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  244.303398]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.305520] lowmem_reserve[]:
[  244.307765]  warn_alloc.cold.118+0xb7/0x1bd
[  244.311356]  0
[  244.336874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.342038]  2817
[  244.345137]  ? lock_downgrade+0x900/0x900
[  244.349430]  6321
[  244.351232]  ? trace_hardirqs_off+0xb8/0x300
[  244.356047]  6321
[  244.358112]  ? trace_hardirqs_off+0xb8/0x300
[  244.362231] Node 0 
[  244.364302]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.368698] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  244.370762]  ? warn_alloc+0x120/0x120
[  244.375118] lowmem_reserve[]: 0
[  244.377359]  ? warn_alloc+0x120/0x120
[  244.382172]  0 3503
[  244.409162]  ? print_usage_bug+0xc0/0xc0
[  244.409178]  ? warn_alloc+0x120/0x120
[  244.412960]  3503
[  244.416237]  ? print_usage_bug+0xc0/0xc0
[  244.422239]  ? __lock_acquire+0x7ec/0x4ec0
[  244.426273] Node 0 
[  244.430079]  ? __lock_acquire+0x7ec/0x4ec0
[  244.432152] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  244.436183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.440406] lowmem_reserve[]:
[  244.442656]  ? should_fail+0x22d/0xd01
[  244.446857]  0 0
[  244.475307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.480815]  0
[  244.483916]  ? __lock_acquire+0x7ec/0x4ec0
[  244.487866]  0
[  244.489840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.494912] Node 0 
[  244.496712]  ? __lock_acquire+0x7ec/0x4ec0
[  244.500916] DMA: 1*4kB 
[  244.502723]  ? should_fail+0x22d/0xd01
[  244.507809] (U) 
[  244.510047]  ? mark_held_locks+0x130/0x130
[  244.514249] 0*8kB 
[  244.516829]  ? mark_held_locks+0x130/0x130
[  244.520702] 0*16kB 
[  244.522670]  ? graph_lock+0x170/0x170
[  244.526881] 1*32kB 
[  244.529026]  ? graph_lock+0x170/0x170
[  244.533236] (U) 
[  244.535471]  ? graph_lock+0x170/0x170
[  244.539240] 2*64kB (U) 
[  244.541480]  ? print_usage_bug+0xc0/0xc0
[  244.545253] 1*128kB 
[  244.547225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.550996] (U) 
[  244.553577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.557606] 1*256kB (U) 
[  244.559939]  ? check_preemption_disabled+0x48/0x200
[  244.565448] 0*512kB 
[  244.567424]  ? check_preemption_disabled+0x48/0x200
[  244.572947] 1*1024kB (U) 
[  244.575630]  ? __lock_is_held+0xb5/0x140
[  244.580610] 1*2048kB (M) 
[  244.582944]  __alloc_pages_nodemask+0xa80/0xde0
[  244.587927] 3*4096kB 
[  244.590693]  ? graph_lock+0x170/0x170
[  244.594723] (M) 
[  244.597477]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.602123] = 15908kB
[  244.602131] Node 0 
[  244.604541]  ? graph_lock+0x170/0x170
[  244.608314] DMA32: 
[  244.610300]  ? find_held_lock+0x36/0x1c0
[  244.615275] 2*4kB 
[  244.617691]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.619892] (M) 
[  244.623690]  ? lock_downgrade+0x900/0x900
[  244.625900] 1*8kB 
[  244.629967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.632085] (U) 
[  244.636753]  cache_grow_begin+0x91/0x8c0
[  244.638708] 4*16kB 
[  244.642854]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.644971] (UM) 
[  244.650515]  fallback_alloc+0x203/0x2e0
[  244.652459] 2*32kB 
[  244.656525]  ____cache_alloc_node+0x1c7/0x1e0
[  244.658730] (UM) 
[  244.663145]  kmem_cache_alloc_node+0xe3/0x730
[  244.665170] 3*64kB (UM) 
[  244.669153]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.671357] 4*128kB 
[  244.675854]  __alloc_skb+0x119/0x770
[  244.677889] (UM) 
[  244.682382]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.685027] 2*256kB 
[  244.689255]  ? skb_scrub_packet+0x490/0x490
[  244.691549] (M) 
[  244.695259]  ? lock_downgrade+0x900/0x900
[  244.697294] 4*512kB 
[  244.702580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.704876] (UM) 
[  244.709192]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.711144] 3*1024kB 
[  244.715282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.717577] (M) 
[  244.723110]  ? addrconf_rs_timer+0x6f0/0x6f0
[  244.725140] 1*2048kB (M) 
[  244.730602]  ndisc_alloc_skb+0x144/0x340
[  244.732976] 4*4096kB (M) 
[  244.738427]  ndisc_send_rs+0x331/0x6e0
[  244.740374] = 24912kB
[  244.740382] Node 0 
[  244.744797]  addrconf_rs_timer+0x3c0/0x6f0
[  244.747529] Normal: 
[  244.751588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.754318] 2389*4kB 
[  244.758210]  call_timer_fn+0x272/0x920
[  244.760587] (UME) 
[  244.762823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.767024] 378*8kB (UME) 
[  244.769355]  ? process_timeout+0x40/0x40
[  244.773555] 73*16kB (UM) 
[  244.775977]  ? find_held_lock+0x36/0x1c0
[  244.779840] 1*32kB 
[  244.781987]  ? __run_timers+0x7da/0xc70
[  244.786188] (U) 
[  244.789029]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.793060] 0*64kB 
[  244.795823]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.799862] 0*128kB 
[  244.802092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.806038] 0*256kB 
[  244.808007]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  244.812474] 0*512kB 
[  244.814716]  ? trace_hardirqs_on+0xbd/0x310
[  244.819182] 0*1024kB 
[  244.821501]  ? kasan_check_read+0x11/0x20
[  244.825884] 0*2048kB 
[  244.828200]  ? __run_timers+0x7da/0xc70
[  244.832755] 0*4096kB = 13780kB
[  244.835092]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.839395] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.841804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.845930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.845938] 4510 total pagecache pages
[  244.848374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.852333] 0 pages in swap cache
[  244.855515]  __run_timers+0x7e5/0xc70
[  244.860937] Swap cache stats: add 0, delete 0, find 0/0
[  244.860946] Free swap  = 0kB
[  244.869793]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.873991] Total swap = 0kB
[  244.882566]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.886425] 1965979 pages RAM
[  244.890651]  ? rcu_bh_qs+0xc0/0xc0
[  244.894076] 0 pages HighMem/MovableOnly
[  244.894084] 342744 pages reserved
[  244.897881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.903212] 0 pages cma reserved
[  244.903287] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.906236]  ? check_preemption_disabled+0x48/0x200
[  244.911629] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.914589]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.919835] syz-fuzzer cpuset=
[  244.922936]  ? retint_kernel+0x2d/0x2d
[  244.926460] /
[  244.930430]  ? trace_hardirqs_on_caller+0xc0/0x300
[  244.933861]  mems_allowed=0
[  244.939395]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.990507]  ? trace_hardirqs_off_caller+0x300/0x300
[  244.995615]  ? check_preemption_disabled+0x48/0x200
[  245.000633]  ? graph_lock+0x170/0x170
[  245.004467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.010008]  ? check_preemption_disabled+0x48/0x200
[  245.015036]  ? __lock_is_held+0xb5/0x140
[  245.019111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.024651]  ? check_preemption_disabled+0x48/0x200
[  245.029684]  run_timer_softirq+0x52/0xb0
[  245.033770]  ? rcu_read_lock_sched_held+0x108/0x120
[  245.038811]  __do_softirq+0x30b/0xad8
[  245.042626]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.047738]  ? pvclock_read_flags+0x160/0x160
[  245.052240]  ? lapic_next_event+0x5a/0x90
[  245.056392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.061935]  ? check_preemption_disabled+0x48/0x200
[  245.066953]  ? check_preemption_disabled+0x48/0x200
[  245.071985]  ? kvm_clock_read+0x18/0x30
[  245.076163]  ? kvm_sched_clock_read+0x9/0x20
[  245.080581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.086123]  ? check_preemption_disabled+0x48/0x200
[  245.091157]  irq_exit+0x17f/0x1c0
[  245.094617]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.099486]  ? smp_reschedule_interrupt+0x109/0x650
[  245.104540]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.110425]  ? interrupt_entry+0xb5/0xf0
[  245.114498]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.119536]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.124568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.129414]  ? trace_hardirqs_off+0x300/0x300
[  245.133906]  ? trace_hardirqs_off+0x300/0x300
[  245.138402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.143944]  ? check_preemption_disabled+0x48/0x200
[  245.148960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.154508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.159360]  apic_timer_interrupt+0xf/0x20
[  245.163592]  </IRQ>
[  245.165835] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.170792] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  245.189714] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  245.197427] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  245.204698] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  245.212475] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  245.219746] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  245.227031] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  245.234353]  skb_clone+0x1bb/0x500
[  245.237901]  ? finish_task_switch+0x2f5/0x900
[  245.242398]  ? skb_split+0x11e0/0x11e0
[  245.246289]  ? preempt_notifier_register+0x200/0x200
[  245.251403]  ? __switch_to_asm+0x34/0x70
[  245.255464]  ? __switch_to_asm+0x34/0x70
[  245.259523]  ? __switch_to_asm+0x40/0x70
[  245.263590]  ? __switch_to_asm+0x34/0x70
[  245.267665]  ? __switch_to_asm+0x40/0x70
[  245.271727]  ? __switch_to_asm+0x34/0x70
[  245.275793]  ? __switch_to_asm+0x40/0x70
[  245.279857]  ? __switch_to_asm+0x34/0x70
[  245.283928]  ? __switch_to_asm+0x34/0x70
[  245.287985]  ? __switch_to_asm+0x40/0x70
[  245.292041]  ? __switch_to_asm+0x34/0x70
[  245.296111]  bpf_clone_redirect+0xb9/0x490
[  245.300347]  ? __schedule+0x874/0x1ed0
[  245.304244]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  245.309262]  ? __sched_text_start+0x8/0x8
[  245.313412]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.318181]  ? find_held_lock+0x36/0x1c0
[  245.322252]  ? lock_acquire+0x1ed/0x520
[  245.326227]  ? bpf_test_run+0x32e/0x5a0
[  245.330203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.335742]  ? check_preemption_disabled+0x48/0x200
[  245.340782]  ? kasan_check_read+0x11/0x20
[  245.344935]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.350215]  ? rcu_bh_qs+0xc0/0xc0
[  245.353761]  ? preempt_schedule+0x4d/0x60
[  245.357925]  ? ___preempt_schedule+0x16/0x18
[  245.362340]  ? bpf_test_run+0x1c0/0x5a0
[  245.366329]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.370745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.376288]  ? bpf_test_init.isra.9+0x70/0x100
[  245.380882]  ? bpf_prog_test_run_skb+0x634/0xb40
[  245.385646]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.390490]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.396023]  ? fput+0x130/0x1a0
[  245.399312]  ? __bpf_prog_get+0x9b/0x290
[  245.403377]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.408221]  ? bpf_prog_test_run+0x130/0x1a0
[  245.412636]  ? __x64_sys_bpf+0x3d8/0x510
[  245.416697]  ? bpf_prog_get+0x20/0x20
[  245.420504]  ? ksys_ioctl+0x81/0xd0
[  245.424144]  ? do_syscall_64+0x1b9/0x820
[  245.428207]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.433573]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.438509]  ? trace_hardirqs_off+0x300/0x300
[  245.443004]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.448022]  ? recalc_sigpending_tsk+0x180/0x180
[  245.452787]  ? kasan_check_write+0x14/0x20
[  245.457030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.461885]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.467273] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  245.467353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.474202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.474207] Call Trace:
[  245.474214]  <IRQ>
[  245.474230]  dump_stack+0x1c4/0x2b4
[  245.474245]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.474272]  warn_alloc.cold.118+0xb7/0x1bd
[  245.480813] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.490102]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.492666] syz-executor2 cpuset=
[  245.494817]  ? lock_downgrade+0x900/0x900
[  245.498418] syz2
[  245.503634]  ? trace_hardirqs_off+0xb8/0x300
[  245.507938]  mems_allowed=0
[  245.518452]  ? trace_hardirqs_off+0xb8/0x300
[  245.544572]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.549459]  ? warn_alloc+0x120/0x120
[  245.553436]  ? warn_alloc+0x120/0x120
[  245.557246]  ? print_usage_bug+0xc0/0xc0
[  245.561315]  ? warn_alloc+0x120/0x120
[  245.565128]  ? print_usage_bug+0xc0/0xc0
[  245.569199]  ? __lock_acquire+0x7ec/0x4ec0
[  245.573437]  ? __lock_acquire+0x7ec/0x4ec0
[  245.577690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.583236]  ? should_fail+0x22d/0xd01
[  245.587128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.592241]  ? __lock_acquire+0x7ec/0x4ec0
[  245.596495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.601608]  ? __lock_acquire+0x7ec/0x4ec0
[  245.605845]  ? should_fail+0x22d/0xd01
[  245.609748]  ? mark_held_locks+0x130/0x130
[  245.613997]  ? mark_held_locks+0x130/0x130
[  245.618241]  ? graph_lock+0x170/0x170
[  245.622046]  ? graph_lock+0x170/0x170
[  245.625860]  ? graph_lock+0x170/0x170
[  245.629663]  ? print_usage_bug+0xc0/0xc0
[  245.633735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.639276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.644826]  ? check_preemption_disabled+0x48/0x200
[  245.649853]  ? check_preemption_disabled+0x48/0x200
[  245.654883]  ? __lock_is_held+0xb5/0x140
[  245.658955]  __alloc_pages_nodemask+0xa80/0xde0
[  245.663625]  ? graph_lock+0x170/0x170
[  245.667430]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.672450]  ? graph_lock+0x170/0x170
[  245.676267]  ? find_held_lock+0x36/0x1c0
[  245.680345]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.685022]  ? lock_downgrade+0x900/0x900
[  245.689181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.694733]  cache_grow_begin+0x91/0x8c0
[  245.698816]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.703244]  fallback_alloc+0x203/0x2e0
[  245.707237]  ____cache_alloc_node+0x1c7/0x1e0
[  245.711748]  kmem_cache_alloc_node+0xe3/0x730
[  245.716259]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.720509]  __alloc_skb+0x119/0x770
[  245.724224]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.729510]  ? skb_scrub_packet+0x490/0x490
[  245.733928]  ? lock_downgrade+0x900/0x900
[  245.738091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.743633]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.749092]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.754554]  ? addrconf_rs_timer+0x6f0/0x6f0
[  245.758980]  ndisc_alloc_skb+0x144/0x340
[  245.763057]  ndisc_send_rs+0x331/0x6e0
[  245.766956]  addrconf_rs_timer+0x3c0/0x6f0
[  245.771199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.775453]  call_timer_fn+0x272/0x920
[  245.779341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.783585]  ? process_timeout+0x40/0x40
[  245.787645]  ? find_held_lock+0x36/0x1c0
[  245.791717]  ? mark_held_locks+0xc7/0x130
[  245.795871]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.800369]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.804866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.809106]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  245.813704]  ? trace_hardirqs_on+0xbd/0x310
[  245.818036]  ? kasan_check_read+0x11/0x20
[  245.822204]  ? __run_timers+0x7da/0xc70
[  245.826188]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.831650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.835893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.840132]  __run_timers+0x7e5/0xc70
[  245.843948]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.849315]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.854340]  ? graph_lock+0x170/0x170
[  245.858160]  ? print_usage_bug+0xc0/0xc0
[  245.862236]  ? lock_release+0x970/0x970
[  245.866219]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.871423]  ? find_held_lock+0x36/0x1c0
[  245.875493]  ? graph_lock+0x170/0x170
[  245.879323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.884867]  ? check_preemption_disabled+0x48/0x200
[  245.889900]  ? __lock_is_held+0xb5/0x140
[  245.893966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.899507]  ? check_preemption_disabled+0x48/0x200
[  245.904539]  run_timer_softirq+0x52/0xb0
[  245.908607]  ? rcu_read_lock_sched_held+0x108/0x120
[  245.913635]  __do_softirq+0x30b/0xad8
[  245.917460]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.922575]  ? pvclock_read_flags+0x160/0x160
[  245.927083]  ? lapic_next_event+0x5a/0x90
[  245.931238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.936802]  ? check_preemption_disabled+0x48/0x200
[  245.941832]  ? check_preemption_disabled+0x48/0x200
[  245.946862]  ? kvm_clock_read+0x18/0x30
[  245.950838]  ? kvm_sched_clock_read+0x9/0x20
[  245.955251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.960811]  ? check_preemption_disabled+0x48/0x200
[  245.965851]  irq_exit+0x17f/0x1c0
[  245.969310]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.974160]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.980051]  ? interrupt_entry+0xb5/0xf0
[  245.984117]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.989136]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.994160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.999013]  ? trace_hardirqs_off+0x300/0x300
[  246.003511]  ? trace_hardirqs_off+0x300/0x300
[  246.008015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.013560]  ? check_preemption_disabled+0x48/0x200
[  246.018582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.024139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.029025]  apic_timer_interrupt+0xf/0x20
[  246.033255]  </IRQ>
[  246.035494] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  246.040770] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  246.059690] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  246.067435] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  246.074706] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  246.081976] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  246.089246] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  246.096514] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  246.103818]  ? arch_local_irq_restore+0x45/0x52
[  246.108495]  dump_stack+0x26a/0x2b4
[  246.112129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.117343]  ? mark_held_locks+0x130/0x130
[  246.121583]  ? mark_held_locks+0x130/0x130
[  246.125835]  dump_header+0x27b/0xf72
[  246.129563]  ? pagefault_out_of_memory+0x197/0x197
[  246.134510]  ? mark_held_locks+0x130/0x130
[  246.138754]  ? __lock_acquire+0x7ec/0x4ec0
[  246.143001]  ? mem_cgroup_charge_statistics+0x780/0x780
[  246.148827]  ? print_usage_bug+0xc0/0xc0
[  246.152893]  ? print_usage_bug+0xc0/0xc0
[  246.156970]  ? graph_lock+0x170/0x170
[  246.160780]  ? graph_lock+0x170/0x170
[  246.164591]  ? print_usage_bug+0xc0/0xc0
[  246.168657]  ? print_usage_bug+0xc0/0xc0
[  246.172734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.178282]  ? find_held_lock+0x36/0x1c0
[  246.182364]  ? mark_held_locks+0xc7/0x130
[  246.186521]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.191635]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.196753]  ? lockdep_hardirqs_on+0x421/0x5c0
[  246.201348]  ? trace_hardirqs_on+0xbd/0x310
[  246.205673]  ? kasan_check_read+0x11/0x20
[  246.209831]  ? ___ratelimit+0x36f/0x655
[  246.213820]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.219275]  ? trace_hardirqs_on+0x310/0x310
[  246.223690]  ? lock_downgrade+0x900/0x900
[  246.227848]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.232959]  ? ___ratelimit+0xaa/0x655
[  246.236853]  ? idr_get_free+0xec0/0xec0
[  246.240837]  ? kasan_check_write+0x14/0x20
[  246.245080]  ? do_raw_spin_lock+0xc1/0x200
[  246.249329]  oom_kill_process.cold.27+0x10/0x903
[  246.254093]  ? graph_lock+0x170/0x170
[  246.257896]  ? _raw_spin_unlock+0x2c/0x50
[  246.262046]  ? oom_badness+0xe6/0xaa0
[  246.265860]  ? oom_evaluate_task+0x540/0x540
[  246.270283]  ? find_held_lock+0x36/0x1c0
[  246.274353]  ? out_of_memory+0x974/0x14c0
[  246.278506]  ? lock_downgrade+0x900/0x900
[  246.282675]  ? check_preemption_disabled+0x48/0x200
[  246.287707]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.293509]  ? kasan_check_read+0x11/0x20
[  246.297662]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.302939]  ? rcu_bh_qs+0xc0/0xc0
[  246.306484]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.311498]  ? oom_evaluate_task+0x302/0x540
[  246.315908]  out_of_memory+0xa86/0x14c0
[  246.319893]  ? oom_killer_disable+0x3a0/0x3a0
[  246.324391]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  246.329344]  ? __mutex_add_waiter+0x2a0/0x2a0
[  246.333854]  __alloc_pages_slowpath+0x2318/0x2d80
[  246.338730]  ? warn_alloc+0x120/0x120
[  246.342551]  ? find_get_entry+0x2f2/0xc40
[  246.346714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.352254]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  246.357186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.362726]  ? should_fail+0x22d/0xd01
[  246.366617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.371731]  ? __lock_is_held+0xb5/0x140
[  246.375831]  ? __lock_is_held+0xb5/0x140
[  246.379902]  ? find_held_lock+0x36/0x1c0
[  246.383966]  ? ___might_sleep+0x1ed/0x300
[  246.388112]  ? lock_release+0x970/0x970
[  246.392090]  ? arch_local_save_flags+0x40/0x40
[  246.396684]  ? __might_sleep+0x95/0x190
[  246.400666]  __alloc_pages_nodemask+0xa80/0xde0
[  246.405346]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.410367]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.416197]  ? kasan_check_read+0x11/0x20
[  246.420366]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.425661]  ? graph_lock+0x170/0x170
[  246.429480]  ? print_usage_bug+0xc0/0xc0
[  246.433547]  ? graph_lock+0x170/0x170
[  246.437351]  ? graph_lock+0x170/0x170
[  246.441156]  ? __do_page_cache_readahead+0x7ce/0x980
[  246.446271]  ? find_held_lock+0x36/0x1c0
[  246.450339]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.455885]  alloc_pages_current+0x10c/0x210
[  246.460297]  ? lock_downgrade+0x900/0x900
[  246.464450]  __page_cache_alloc+0x38f/0x5b0
[  246.468821]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.474622]  ? kasan_check_read+0x11/0x20
[  246.478781]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.484067]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  246.488747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.494296]  ? check_preemption_disabled+0x48/0x200
[  246.499321]  filemap_fault+0x1594/0x25f0
[  246.503399]  ? __lock_page_or_retry+0xa00/0xa00
[  246.508068]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.513866]  ? kasan_check_read+0x11/0x20
[  246.518017]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.523293]  ? rcu_bh_qs+0xc0/0xc0
[  246.526856]  ? filemap_map_pages+0xdea/0x1980
[  246.531389]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.536499]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  246.541785]  ? debug_object_free+0x325/0x690
[  246.546205]  ? find_get_pages_range_tag+0x1320/0x1320
[  246.551400]  ? graph_lock+0x170/0x170
[  246.555215]  ? kasan_check_read+0x11/0x20
[  246.559363]  ? debug_object_destroy+0x2b0/0x2b0
[  246.564041]  ? lock_acquire+0x1ed/0x520
[  246.568015]  ? ext4_filemap_fault+0x7a/0xad
[  246.572341]  ? lock_release+0x970/0x970
[  246.576314]  ? arch_local_save_flags+0x40/0x40
[  246.580904]  ? futex_wait_setup+0x3e0/0x3e0
[  246.585242]  ? down_read+0xb0/0x1d0
[  246.588880]  ? ext4_filemap_fault+0x7a/0xad
[  246.593204]  ? __down_interruptible+0x700/0x700
[  246.597890]  ext4_filemap_fault+0x82/0xad
[  246.602040]  __do_fault+0x100/0x6b0
[  246.605673]  ? print_bad_pte+0x6c0/0x6c0
[  246.609737]  ? do_futex+0x249/0x26d0
[  246.613456]  ? pmd_val+0x88/0x100
[  246.616910]  ? add_mm_counter_fast+0xd0/0xd0
[  246.621317]  ? pmd_val+0x88/0x100
[  246.624782]  ? add_mm_counter_fast+0xd0/0xd0
[  246.629209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.634759]  __handle_mm_fault+0x3709/0x53e0
[  246.639207]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  246.644052]  ? graph_lock+0x170/0x170
[  246.647855]  ? print_usage_bug+0xc0/0xc0
[  246.651925]  ? graph_lock+0x170/0x170
[  246.655726]  ? graph_lock+0x170/0x170
[  246.659545]  ? handle_mm_fault+0x42a/0xc70
[  246.663791]  ? lock_downgrade+0x900/0x900
[  246.667948]  ? check_preemption_disabled+0x48/0x200
[  246.673007]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.678820]  ? kasan_check_read+0x11/0x20
[  246.682974]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.688255]  ? rcu_bh_qs+0xc0/0xc0
[  246.691808]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.697264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.702819]  ? check_preemption_disabled+0x48/0x200
[  246.707847]  handle_mm_fault+0x54f/0xc70
[  246.711915]  ? __handle_mm_fault+0x53e0/0x53e0
[  246.716502]  ? find_vma+0x34/0x190
[  246.720048]  __do_page_fault+0x67d/0xed0
[  246.724115]  ? mm_fault_error+0x380/0x380
[  246.728263]  ? trace_hardirqs_off+0xb8/0x300
[  246.732671]  ? trace_hardirqs_on+0x310/0x310
[  246.737085]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  246.742455]  ? trace_hardirqs_on+0x310/0x310
[  246.746872]  do_page_fault+0xf2/0x7e0
[  246.750677]  ? vmalloc_sync_all+0x30/0x30
[  246.754835]  ? error_entry+0x70/0xd0
[  246.758554]  ? trace_hardirqs_off_caller+0xbb/0x300
[  246.763574]  ? trace_hardirqs_on_caller+0xc0/0x300
[  246.768501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.773428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.778273]  ? trace_hardirqs_off+0x300/0x300
[  246.782768]  ? trace_hardirqs_off_caller+0x300/0x300
[  246.787891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.792910]  ? page_fault+0x8/0x30
[  246.796468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.801319]  ? page_fault+0x8/0x30
[  246.804861]  page_fault+0x1e/0x30
[  246.808310] RIP: 0033:0x40f9c0
[  246.811508] Code: Bad RIP value.
[  246.814872] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  246.820237] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  246.827502] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  246.834771] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  246.842060] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  246.849326] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  246.856615] warn_alloc_show_mem: 1 callbacks suppressed
[  246.856627] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  246.856629] Mem-Info:
[  246.856662] active_anon:52539 inactive_anon:923 isolated_anon:0
[  246.856662]  active_file:16 inactive_file:19 isolated_file:0
[  246.856662]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.856662]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  246.856662]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  246.856662]  free:13650 free_pcp:205 free_cma:0
[  246.861994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.869268] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.871667] Call Trace:
[  246.904641] Node 0 
[  246.913986]  <IRQ>
[  246.941761] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.944326]  dump_stack+0x1c4/0x2b4
[  246.946527] lowmem_reserve[]: 0
[  246.948684]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.974157]  2817 6321
[  246.977812]  warn_alloc.cold.118+0xb7/0x1bd
[  246.981049]  6321
[  246.986248]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.988735] Node 0 
[  246.993051]  ? lock_downgrade+0x900/0x900
[  246.995110] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.999922]  ? trace_hardirqs_off+0xb8/0x300
[  247.002121] lowmem_reserve[]: 0
[  247.006270]  ? trace_hardirqs_off+0xb8/0x300
[  247.033224]  0 3503
[  247.037650]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.040886]  3503
[  247.045330]  ? warn_alloc+0x120/0x120
[  247.047514] Node 0 
[  247.052355]  ? warn_alloc+0x120/0x120
[  247.054417] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  247.058190]  ? print_usage_bug+0xc0/0xc0
[  247.060392] lowmem_reserve[]: 0
[  247.064195]  ? warn_alloc+0x120/0x120
[  247.093024]  0 0
[  247.097099]  ? print_usage_bug+0xc0/0xc0
[  247.100343]  0
[  247.104146]  ? __lock_acquire+0x7ec/0x4ec0
[  247.106102] Node 0 
[  247.110156]  ? __lock_acquire+0x7ec/0x4ec0
[  247.111936] DMA: 
[  247.116165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.118376] 1*4kB 
[  247.122603]  ? should_fail+0x22d/0xd01
[  247.124640] (U) 
[  247.130172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.132295] 0*8kB 
[  247.136187]  ? __lock_acquire+0x7ec/0x4ec0
[  247.138137] 0*16kB 1*32kB 
[  247.143251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.145395] (U) 
[  247.149621]  ? __lock_acquire+0x7ec/0x4ec0
[  247.152440] 2*64kB (U) 
[  247.157556]  ? should_fail+0x22d/0xd01
[  247.159504] 1*128kB 
[  247.163741]  ? mark_held_locks+0x130/0x130
[  247.166296] (U) 
[  247.170187]  ? mark_held_locks+0x130/0x130
[  247.172481] 1*256kB 
[  247.176710]  ? graph_lock+0x170/0x170
[  247.178662] (U) 
[  247.182896]  ? graph_lock+0x170/0x170
[  247.185194] 0*512kB 
[  247.188986]  ? graph_lock+0x170/0x170
[  247.190936] 1*1024kB 
[  247.194729]  ? print_usage_bug+0xc0/0xc0
[  247.197026] (U) 
[  247.200819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.200835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.203228] 1*2048kB 
[  247.207822]  ? check_preemption_disabled+0x48/0x200
[  247.209804] (M) 
[  247.215340]  ? check_preemption_disabled+0x48/0x200
[  247.220852] 3*4096kB 
[  247.223264]  ? __lock_is_held+0xb5/0x140
[  247.228246] (M) 
[  247.230225]  __alloc_pages_nodemask+0xa80/0xde0
[  247.235204] = 15908kB
[  247.235212] Node 0 
[  247.237621]  ? graph_lock+0x170/0x170
[  247.241669] DMA32: 
[  247.243644]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.248286] 2*4kB 
[  247.250693]  ? graph_lock+0x170/0x170
[  247.252904] (M) 
[  247.256702]  ? find_held_lock+0x36/0x1c0
[  247.258902] 1*8kB (U) 
[  247.263927]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.266038] 4*16kB (UM) 
[  247.269838]  ? lock_downgrade+0x900/0x900
[  247.271802] 2*32kB 
[  247.275852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.278317] (UM) 
[  247.282982]  cache_grow_begin+0x91/0x8c0
[  247.285628] 3*64kB 
[  247.289768]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.291982] (UM) 4*128kB 
[  247.297527]  fallback_alloc+0x203/0x2e0
[  247.299569] (UM) 
[  247.303631]  ____cache_alloc_node+0x1c7/0x1e0
[  247.305839] 2*256kB 
[  247.310246]  kmem_cache_alloc_node+0xe3/0x730
[  247.312973] (M) 
[  247.316941]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.318976] 4*512kB 
[  247.323470]  __alloc_skb+0x119/0x770
[  247.325771] (UM) 
[  247.330282]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.332231] 3*1024kB 
[  247.336470]  ? skb_scrub_packet+0x490/0x490
[  247.338766] (M) 
[  247.342482]  ? lock_downgrade+0x900/0x900
[  247.344522] 1*2048kB 
[  247.349803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.352190] (M) 
[  247.356507]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.358459] 4*4096kB 
[  247.362612]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.364998] (M) 
[  247.370531]  ? addrconf_rs_timer+0x6f0/0x6f0
[  247.372698] = 24912kB
[  247.372706] Node 0 
[  247.378168]  ndisc_alloc_skb+0x144/0x340
[  247.380539] Normal: 
[  247.386007]  ndisc_send_rs+0x331/0x6e0
[  247.387954] 2389*4kB 
[  247.392360]  addrconf_rs_timer+0x3c0/0x6f0
[  247.394742] (UME) 
[  247.396978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.401007] 378*8kB (UME) 
[  247.403346]  call_timer_fn+0x272/0x920
[  247.407196] 73*16kB (UM) 
[  247.409617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.413824] 1*32kB (U) 
[  247.415981]  ? process_timeout+0x40/0x40
[  247.420179] 0*64kB 0*128kB 
[  247.423025]  ? find_held_lock+0x36/0x1c0
[  247.426971] 0*256kB 0*512kB 
[  247.429740]  ? __run_timers+0x7da/0xc70
[  247.433943] 0*1024kB 
[  247.436522]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.440548] 0*2048kB 0*4096kB 
[  247.443485]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.447519] = 13780kB
[  247.450536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.454488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.456885]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  247.461357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.464539]  ? trace_hardirqs_on+0xbd/0x310
[  247.469010] 4510 total pagecache pages
[  247.471417]  ? kasan_check_read+0x11/0x20
[  247.475633] 0 pages in swap cache
[  247.484463]  ? __run_timers+0x7da/0xc70
[  247.489013] Swap cache stats: add 0, delete 0, find 0/0
[  247.489022] Free swap  = 0kB
[  247.497609]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.501895] Total swap = 0kB
[  247.501904] 1965979 pages RAM
[  247.505797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.509917] 0 pages HighMem/MovableOnly
[  247.509925] 342744 pages reserved
[  247.513381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.517324] 0 pages cma reserved
[  247.522682]  __run_timers+0x7e5/0xc70
[  247.525756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.531126]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.534204] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.537210]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.541416] syz-fuzzer cpuset=
[  247.545389]  ? rcu_bh_qs+0xc0/0xc0
[  247.548817] /
[  247.553049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.556387]  mems_allowed=0
[  247.560179]  ? check_preemption_disabled+0x48/0x200
[  247.609340]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.614103]  ? retint_kernel+0x2d/0x2d
[  247.617997]  ? trace_hardirqs_on_caller+0xc0/0x300
[  247.622934]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.627697]  ? trace_hardirqs_off_caller+0x300/0x300
[  247.632817]  ? check_preemption_disabled+0x48/0x200
[  247.637839]  ? graph_lock+0x170/0x170
[  247.641645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.647189]  ? check_preemption_disabled+0x48/0x200
[  247.652238]  ? __lock_is_held+0xb5/0x140
[  247.656311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.661855]  ? check_preemption_disabled+0x48/0x200
[  247.666887]  run_timer_softirq+0x52/0xb0
[  247.670949]  ? rcu_read_lock_sched_held+0x108/0x120
[  247.675984]  __do_softirq+0x30b/0xad8
[  247.679808]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.684924]  ? pvclock_read_flags+0x160/0x160
[  247.689418]  ? lapic_next_event+0x5a/0x90
[  247.693569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.699109]  ? check_preemption_disabled+0x48/0x200
[  247.704127]  ? check_preemption_disabled+0x48/0x200
[  247.709153]  ? kvm_clock_read+0x18/0x30
[  247.713128]  ? kvm_sched_clock_read+0x9/0x20
[  247.717541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.723088]  ? check_preemption_disabled+0x48/0x200
[  247.728119]  irq_exit+0x17f/0x1c0
[  247.731597]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.736446]  ? smp_reschedule_interrupt+0x109/0x650
[  247.741467]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.747355]  ? interrupt_entry+0xb5/0xf0
[  247.751418]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.756434]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.761458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.766309]  ? trace_hardirqs_off+0x300/0x300
[  247.770813]  ? trace_hardirqs_off+0x300/0x300
[  247.775320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.780862]  ? check_preemption_disabled+0x48/0x200
[  247.785878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.791426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.796286]  apic_timer_interrupt+0xf/0x20
[  247.800517]  </IRQ>
[  247.802771] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.807718] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  247.826630] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  247.834350] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.841629] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  247.848900] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  247.856170] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.863446] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  247.870763]  skb_clone+0x1bb/0x500
[  247.874326]  ? finish_task_switch+0x2f5/0x900
[  247.878831]  ? skb_split+0x11e0/0x11e0
[  247.882738]  ? preempt_notifier_register+0x200/0x200
[  247.887862]  ? __switch_to_asm+0x34/0x70
[  247.891924]  ? __switch_to_asm+0x34/0x70
[  247.895985]  ? __switch_to_asm+0x40/0x70
[  247.900043]  ? __switch_to_asm+0x34/0x70
[  247.904101]  ? __switch_to_asm+0x40/0x70
[  247.908164]  ? __switch_to_asm+0x34/0x70
[  247.912225]  ? __switch_to_asm+0x40/0x70
[  247.916287]  ? __switch_to_asm+0x34/0x70
[  247.920351]  ? __switch_to_asm+0x34/0x70
[  247.924414]  ? __switch_to_asm+0x40/0x70
[  247.928472]  ? __switch_to_asm+0x34/0x70
[  247.932548]  bpf_clone_redirect+0xb9/0x490
[  247.936800]  ? __schedule+0x874/0x1ed0
[  247.940703]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  247.945734]  ? __sched_text_start+0x8/0x8
[  247.949896]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.954669]  ? find_held_lock+0x36/0x1c0
[  247.958748]  ? lock_acquire+0x1ed/0x520
[  247.962728]  ? bpf_test_run+0x32e/0x5a0
[  247.966706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.972256]  ? check_preemption_disabled+0x48/0x200
[  247.977282]  ? kasan_check_read+0x11/0x20
[  247.981441]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.986720]  ? rcu_bh_qs+0xc0/0xc0
[  247.990263]  ? preempt_schedule+0x4d/0x60
[  247.994417]  ? ___preempt_schedule+0x16/0x18
[  247.998833]  ? bpf_test_run+0x1c0/0x5a0
[  248.002825]  ? netlink_diag_dump+0x2a0/0x2a0
[  248.007281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.012834]  ? bpf_test_init.isra.9+0x70/0x100
[  248.017424]  ? bpf_prog_test_run_skb+0x634/0xb40
[  248.022188]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  248.027083]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  248.032645]  ? fput+0x130/0x1a0
[  248.035933]  ? __bpf_prog_get+0x9b/0x290
[  248.040002]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  248.044842]  ? bpf_prog_test_run+0x130/0x1a0
[  248.049260]  ? __x64_sys_bpf+0x3d8/0x510
[  248.053327]  ? bpf_prog_get+0x20/0x20
[  248.057139]  ? ksys_ioctl+0x81/0xd0
[  248.060783]  ? do_syscall_64+0x1b9/0x820
[  248.064847]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  248.070212]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.075148]  ? trace_hardirqs_off+0x300/0x300
[  248.079649]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  248.084670]  ? recalc_sigpending_tsk+0x180/0x180
[  248.089428]  ? kasan_check_write+0x14/0x20
[  248.093670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.098528]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  248.103916] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  248.104007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.110841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.110849] Call Trace:
[  248.117450] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.126673]  <IRQ>
[  248.129249] syz-executor2 cpuset=
[  248.139734]  dump_stack+0x1c4/0x2b4
[  248.141861] syz2
[  248.145308]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.148924]  mems_allowed=0
[  248.150919]  warn_alloc.cold.118+0xb7/0x1bd
[  248.163347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.168193]  ? lock_downgrade+0x900/0x900
[  248.172354]  ? trace_hardirqs_off+0xb8/0x300
[  248.176769]  ? trace_hardirqs_off+0xb8/0x300
[  248.181220]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.186097]  ? warn_alloc+0x120/0x120
[  248.189901]  ? trace_hardirqs_on+0x310/0x310
[  248.194315]  ? warn_alloc+0x120/0x120
[  248.198120]  ? print_usage_bug+0xc0/0xc0
[  248.202180]  ? warn_alloc+0x120/0x120
[  248.205985]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.211002]  ? print_usage_bug+0xc0/0xc0
[  248.215065]  ? __lock_acquire+0x7ec/0x4ec0
[  248.219302]  ? __lock_acquire+0x7ec/0x4ec0
[  248.223545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.229086]  ? should_fail+0x22d/0xd01
[  248.232985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.238099]  ? __lock_acquire+0x7ec/0x4ec0
[  248.242343]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.247443]  ? __lock_acquire+0x7ec/0x4ec0
[  248.251677]  ? should_fail+0x22d/0xd01
[  248.255563]  ? print_usage_bug+0xc0/0xc0
[  248.259632]  ? mark_held_locks+0x130/0x130
[  248.263870]  ? mark_held_locks+0x130/0x130
[  248.268115]  ? graph_lock+0x170/0x170
[  248.271915]  ? print_usage_bug+0xc0/0xc0
[  248.275979]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.280740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.286284]  ? check_preemption_disabled+0x48/0x200
[  248.291307]  ? check_preemption_disabled+0x48/0x200
[  248.296342]  ? __lock_is_held+0xb5/0x140
[  248.300415]  __alloc_pages_nodemask+0xa80/0xde0
[  248.305086]  ? graph_lock+0x170/0x170
[  248.308892]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.313909]  ? graph_lock+0x170/0x170
[  248.317723]  ? find_held_lock+0x36/0x1c0
[  248.321811]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.326529]  ? lock_downgrade+0x900/0x900
[  248.330687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.336234]  cache_grow_begin+0x91/0x8c0
[  248.340297]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.344713]  fallback_alloc+0x203/0x2e0
[  248.348697]  ____cache_alloc_node+0x1c7/0x1e0
[  248.353200]  kmem_cache_alloc_node+0xe3/0x730
[  248.357702]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.361958]  __alloc_skb+0x119/0x770
[  248.365678]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.370960]  ? skb_scrub_packet+0x490/0x490
[  248.375283]  ? lock_downgrade+0x900/0x900
[  248.379442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.384990]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.390445]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.395900]  ? addrconf_rs_timer+0x6f0/0x6f0
[  248.400327]  ndisc_alloc_skb+0x144/0x340
[  248.404396]  ndisc_send_rs+0x331/0x6e0
[  248.408295]  addrconf_rs_timer+0x3c0/0x6f0
[  248.412542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.416807]  call_timer_fn+0x272/0x920
[  248.420699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.424939]  ? process_timeout+0x40/0x40
[  248.428997]  ? find_held_lock+0x36/0x1c0
[  248.433070]  ? mark_held_locks+0xc7/0x130
[  248.437261]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.441795]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.446309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.450547]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  248.455134]  ? trace_hardirqs_on+0xbd/0x310
[  248.459455]  ? kasan_check_read+0x11/0x20
[  248.463622]  ? __run_timers+0x7da/0xc70
[  248.467611]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.473068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.477308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.481545]  __run_timers+0x7e5/0xc70
[  248.485363]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.490733]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.495756]  ? graph_lock+0x170/0x170
[  248.499567]  ? print_usage_bug+0xc0/0xc0
[  248.503633]  ? lock_release+0x970/0x970
[  248.507618]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.512824]  ? find_held_lock+0x36/0x1c0
[  248.516894]  ? graph_lock+0x170/0x170
[  248.520706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.526248]  ? check_preemption_disabled+0x48/0x200
[  248.531277]  ? __lock_is_held+0xb5/0x140
[  248.535346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.540889]  ? check_preemption_disabled+0x48/0x200
[  248.545914]  run_timer_softirq+0x52/0xb0
[  248.549976]  ? rcu_read_lock_sched_held+0x108/0x120
[  248.554996]  __do_softirq+0x30b/0xad8
[  248.558825]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.563940]  ? pvclock_read_flags+0x160/0x160
[  248.568440]  ? lapic_next_event+0x5a/0x90
[  248.572593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.578154]  ? check_preemption_disabled+0x48/0x200
[  248.583170]  ? check_preemption_disabled+0x48/0x200
[  248.588194]  ? kvm_clock_read+0x18/0x30
[  248.592169]  ? kvm_sched_clock_read+0x9/0x20
[  248.596604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.602148]  ? check_preemption_disabled+0x48/0x200
[  248.607208]  irq_exit+0x17f/0x1c0
[  248.610670]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.615534]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.621440]  ? interrupt_entry+0xb5/0xf0
[  248.625515]  ? trace_hardirqs_off_caller+0xbb/0x300
[  248.630549]  ? trace_hardirqs_off_caller+0xbb/0x300
[  248.635572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.640420]  ? trace_hardirqs_off+0x300/0x300
[  248.644912]  ? trace_hardirqs_off+0x300/0x300
[  248.649410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.654953]  ? check_preemption_disabled+0x48/0x200
[  248.659970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.665532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.670386]  apic_timer_interrupt+0xf/0x20
[  248.674614]  </IRQ>
[  248.676851] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  248.682129] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  248.701045] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  248.708760] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  248.716037] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  248.723316] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  248.730582] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  248.737851] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  248.745149]  ? arch_local_irq_restore+0x45/0x52
[  248.749837]  dump_stack+0x26a/0x2b4
[  248.753472]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.758671]  ? mark_held_locks+0x130/0x130
[  248.762906]  ? mark_held_locks+0x130/0x130
[  248.767157]  dump_header+0x27b/0xf72
[  248.770887]  ? pagefault_out_of_memory+0x197/0x197
[  248.775829]  ? mark_held_locks+0x130/0x130
[  248.780076]  ? __lock_acquire+0x7ec/0x4ec0
[  248.784320]  ? mem_cgroup_charge_statistics+0x780/0x780
[  248.789699]  ? print_usage_bug+0xc0/0xc0
[  248.793761]  ? print_usage_bug+0xc0/0xc0
[  248.797842]  ? graph_lock+0x170/0x170
[  248.801638]  ? graph_lock+0x170/0x170
[  248.805442]  ? print_usage_bug+0xc0/0xc0
[  248.809529]  ? print_usage_bug+0xc0/0xc0
[  248.813613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.819156]  ? find_held_lock+0x36/0x1c0
[  248.823231]  ? mark_held_locks+0xc7/0x130
[  248.827386]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.832496]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.837601]  ? lockdep_hardirqs_on+0x421/0x5c0
[  248.842192]  ? trace_hardirqs_on+0xbd/0x310
[  248.846519]  ? kasan_check_read+0x11/0x20
[  248.850674]  ? ___ratelimit+0x36f/0x655
[  248.854655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.860117]  ? trace_hardirqs_on+0x310/0x310
[  248.864528]  ? lock_downgrade+0x900/0x900
[  248.868687]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.873812]  ? ___ratelimit+0xaa/0x655
[  248.877709]  ? idr_get_free+0xec0/0xec0
[  248.881691]  ? kasan_check_write+0x14/0x20
[  248.885932]  ? do_raw_spin_lock+0xc1/0x200
[  248.890176]  oom_kill_process.cold.27+0x10/0x903
[  248.894939]  ? graph_lock+0x170/0x170
[  248.898744]  ? _raw_spin_unlock+0x2c/0x50
[  248.902898]  ? oom_badness+0xe6/0xaa0
[  248.906704]  ? oom_evaluate_task+0x540/0x540
[  248.911122]  ? find_held_lock+0x36/0x1c0
[  248.915193]  ? out_of_memory+0x974/0x14c0
[  248.919346]  ? lock_downgrade+0x900/0x900
[  248.923518]  ? check_preemption_disabled+0x48/0x200
[  248.928551]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.934357]  ? kasan_check_read+0x11/0x20
[  248.938512]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.943810]  ? rcu_bh_qs+0xc0/0xc0
[  248.947361]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.952385]  ? oom_evaluate_task+0x302/0x540
[  248.956827]  out_of_memory+0xa86/0x14c0
[  248.960828]  ? oom_killer_disable+0x3a0/0x3a0
[  248.965333]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  248.970307]  ? __mutex_add_waiter+0x2a0/0x2a0
[  248.974833]  __alloc_pages_slowpath+0x2318/0x2d80
[  248.979713]  ? warn_alloc+0x120/0x120
[  248.983529]  ? find_get_entry+0x2f2/0xc40
[  248.987689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.993232]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  248.998166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.003709]  ? should_fail+0x22d/0xd01
[  249.007607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.012714]  ? __lock_is_held+0xb5/0x140
[  249.016816]  ? __lock_is_held+0xb5/0x140
[  249.020891]  ? find_held_lock+0x36/0x1c0
[  249.024963]  ? ___might_sleep+0x1ed/0x300
[  249.029114]  ? lock_release+0x970/0x970
[  249.033095]  ? arch_local_save_flags+0x40/0x40
[  249.037707]  ? __might_sleep+0x95/0x190
[  249.041696]  __alloc_pages_nodemask+0xa80/0xde0
[  249.046376]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.051400]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  249.057205]  ? kasan_check_read+0x11/0x20
[  249.061358]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.066641]  ? graph_lock+0x170/0x170
[  249.070447]  ? print_usage_bug+0xc0/0xc0
[  249.074710]  ? graph_lock+0x170/0x170
[  249.078513]  ? graph_lock+0x170/0x170
[  249.082318]  ? __do_page_cache_readahead+0x7ce/0x980
[  249.087433]  ? find_held_lock+0x36/0x1c0
[  249.091502]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  249.097045]  alloc_pages_current+0x10c/0x210
[  249.101457]  ? lock_downgrade+0x900/0x900
[  249.105614]  __page_cache_alloc+0x38f/0x5b0
[  249.109940]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  249.115745]  ? kasan_check_read+0x11/0x20
[  249.119907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.125190]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  249.129862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.135404]  ? check_preemption_disabled+0x48/0x200
[  249.140432]  filemap_fault+0x1594/0x25f0
[  249.144507]  ? __lock_page_or_retry+0xa00/0xa00
[  249.149181]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  249.154988]  ? kasan_check_read+0x11/0x20
[  249.159141]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.164419]  ? rcu_bh_qs+0xc0/0xc0
[  249.167976]  ? filemap_map_pages+0xdea/0x1980
[  249.172484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.177595]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  249.182871]  ? debug_object_free+0x325/0x690
[  249.187287]  ? find_get_pages_range_tag+0x1320/0x1320
[  249.192482]  ? graph_lock+0x170/0x170
[  249.196300]  ? kasan_check_read+0x11/0x20
[  249.200461]  ? debug_object_destroy+0x2b0/0x2b0
[  249.205355]  ? lock_acquire+0x1ed/0x520
[  249.209335]  ? ext4_filemap_fault+0x7a/0xad
[  249.213667]  ? lock_release+0x970/0x970
[  249.217641]  ? arch_local_save_flags+0x40/0x40
[  249.222231]  ? futex_wait_setup+0x3e0/0x3e0
[  249.226566]  ? down_read+0xb0/0x1d0
[  249.230195]  ? ext4_filemap_fault+0x7a/0xad
[  249.234527]  ? __down_interruptible+0x700/0x700
[  249.239221]  ext4_filemap_fault+0x82/0xad
[  249.243377]  __do_fault+0x100/0x6b0
[  249.247010]  ? print_bad_pte+0x6c0/0x6c0
[  249.251125]  ? do_futex+0x249/0x26d0
[  249.254849]  ? pmd_val+0x88/0x100
[  249.258306]  ? add_mm_counter_fast+0xd0/0xd0
[  249.262717]  ? pmd_val+0x88/0x100
[  249.266170]  ? add_mm_counter_fast+0xd0/0xd0
[  249.270587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.276129]  __handle_mm_fault+0x3709/0x53e0
[  249.280549]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  249.285400]  ? graph_lock+0x170/0x170
[  249.289200]  ? print_usage_bug+0xc0/0xc0
[  249.293267]  ? graph_lock+0x170/0x170
[  249.297070]  ? graph_lock+0x170/0x170
[  249.300890]  ? handle_mm_fault+0x42a/0xc70
[  249.305129]  ? lock_downgrade+0x900/0x900
[  249.309282]  ? check_preemption_disabled+0x48/0x200
[  249.314330]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  249.320132]  ? kasan_check_read+0x11/0x20
[  249.324280]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.329564]  ? rcu_bh_qs+0xc0/0xc0
[  249.333105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.338559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.344102]  ? check_preemption_disabled+0x48/0x200
[  249.349133]  handle_mm_fault+0x54f/0xc70
[  249.353200]  ? __handle_mm_fault+0x53e0/0x53e0
[  249.357794]  ? find_vma+0x34/0x190
[  249.361346]  __do_page_fault+0x67d/0xed0
[  249.365418]  ? mm_fault_error+0x380/0x380
[  249.369571]  ? trace_hardirqs_off+0xb8/0x300
[  249.373977]  ? trace_hardirqs_on+0x310/0x310
[  249.378402]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.383769]  ? trace_hardirqs_on+0x310/0x310
[  249.388200]  do_page_fault+0xf2/0x7e0
[  249.392005]  ? vmalloc_sync_all+0x30/0x30
[  249.396153]  ? error_entry+0x70/0xd0
[  249.399868]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.404882]  ? trace_hardirqs_on_caller+0xc0/0x300
[  249.409819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.414746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.419624]  ? trace_hardirqs_off+0x300/0x300
[  249.424120]  ? trace_hardirqs_off_caller+0x300/0x300
[  249.429234]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.434258]  ? page_fault+0x8/0x30
[  249.437815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.442664]  ? page_fault+0x8/0x30
[  249.446203]  page_fault+0x1e/0x30
[  249.449657] RIP: 0033:0x40f9c0
[  249.452856] Code: Bad RIP value.
[  249.456221] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  249.461582] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  249.468849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  249.476119] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  249.483390] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  249.490658] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  249.497954] warn_alloc_show_mem: 1 callbacks suppressed
[  249.497966] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  249.497968] Mem-Info:
[  249.498000] active_anon:52539 inactive_anon:923 isolated_anon:0
[  249.498000]  active_file:16 inactive_file:19 isolated_file:0
[  249.498000]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.498000]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  249.498000]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  249.498000]  free:13650 free_pcp:205 free_cma:0
[  249.503337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.510625] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.513024] Call Trace:
[  249.545980] Node 0 
[  249.555331]  <IRQ>
[  249.583101] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.585658]  dump_stack+0x1c4/0x2b4
[  249.587864] lowmem_reserve[]:
[  249.590011]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.615666]  0 2817
[  249.619323]  warn_alloc.cold.118+0xb7/0x1bd
[  249.622391]  6321
[  249.627605]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.629841]  6321
[  249.634157]  ? lock_downgrade+0x900/0x900
[  249.636192] Node 0 
[  249.641031]  ? trace_hardirqs_off+0xb8/0x300
[  249.643083] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.647202]  ? trace_hardirqs_off+0xb8/0x300
[  249.649403] lowmem_reserve[]: 0
[  249.653825]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.680795]  0
[  249.685243]  ? warn_alloc+0x120/0x120
[  249.688461]  3503 3503
[  249.693331]  ? trace_hardirqs_on+0x310/0x310
[  249.698893]  ? warn_alloc+0x120/0x120
[  249.701363] Node 0 
[  249.705774]  ? print_usage_bug+0xc0/0xc0
[  249.709577] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  249.711788]  ? warn_alloc+0x120/0x120
[  249.715829] lowmem_reserve[]: 0
[  249.744212]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  249.744231]  ? print_usage_bug+0xc0/0xc0
[  249.748012]  0
[  249.751288]  ? __lock_acquire+0x7ec/0x4ec0
[  249.756275]  0
[  249.760345]  ? __lock_acquire+0x7ec/0x4ec0
[  249.762117]  0
[  249.766355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.768131] Node 0 
[  249.772360]  ? should_fail+0x22d/0xd01
[  249.774136] DMA: 
[  249.779665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.781896] 1*4kB 
[  249.785793]  ? __lock_acquire+0x7ec/0x4ec0
[  249.787849] (U) 
[  249.792966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.795092] 0*8kB 
[  249.799324]  ? __lock_acquire+0x7ec/0x4ec0
[  249.801274] 0*16kB 
[  249.806368]  ? should_fail+0x22d/0xd01
[  249.808485] 1*32kB (U) 
[  249.812713]  ? print_usage_bug+0xc0/0xc0
[  249.812737]  ? mark_held_locks+0x130/0x130
[  249.814946] 2*64kB 
[  249.818831]  ? mark_held_locks+0x130/0x130
[  249.821391] (U) 
[  249.825452]  ? graph_lock+0x170/0x170
[  249.829654] 1*128kB 
[  249.831881]  ? print_usage_bug+0xc0/0xc0
[  249.836086] (U) 
[  249.838061]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.841831] 1*256kB (U) 
[  249.844159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.848187] 0*512kB 1*1024kB 
[  249.850171]  ? check_preemption_disabled+0x48/0x200
[  249.854893] (U) 
[  249.857561]  ? check_preemption_disabled+0x48/0x200
[  249.863066] 1*2048kB (M) 
[  249.866183]  ? __lock_is_held+0xb5/0x140
[  249.871161] 3*4096kB 
[  249.873139]  __alloc_pages_nodemask+0xa80/0xde0
[  249.878121] (M) 
[  249.880870]  ? graph_lock+0x170/0x170
[  249.884896] = 15908kB
[  249.884904] Node 0 
[  249.887314]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.891952] DMA32: 
[  249.894044]  ? graph_lock+0x170/0x170
[  249.897822] 2*4kB 
[  249.900231]  ? find_held_lock+0x36/0x1c0
[  249.902462] (M) 
[  249.907480]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.909685] 1*8kB (U) 
[  249.913489]  ? lock_downgrade+0x900/0x900
[  249.915614] 4*16kB 
[  249.919669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.921613] (UM) 
[  249.926275]  cache_grow_begin+0x91/0x8c0
[  249.928747] 2*32kB 
[  249.932887]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.935099] (UM) 
[  249.940680]  fallback_alloc+0x203/0x2e0
[  249.942715] 3*64kB 
[  249.946771]  ____cache_alloc_node+0x1c7/0x1e0
[  249.948985] (UM) 
[  249.953391]  kmem_cache_alloc_node+0xe3/0x730
[  249.955429] 4*128kB 
[  249.959394]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.961597] (UM) 2*256kB 
[  249.966098]  __alloc_skb+0x119/0x770
[  249.968129] (M) 
[  249.972623]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.974925] 4*512kB 
[  249.979154]  ? skb_scrub_packet+0x490/0x490
[  249.981887] (UM) 
[  249.985593]  ? lock_downgrade+0x900/0x900
[  249.987542] 3*1024kB 
[  249.992824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.995121] (M) 
[  249.999440]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.001472] 1*2048kB (M) 
[  250.005624]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.008009] 4*4096kB 
[  250.013538]  ? addrconf_rs_timer+0x6f0/0x6f0
[  250.015487] (M) 
[  250.020940]  ndisc_alloc_skb+0x144/0x340
[  250.023661] = 24912kB
[  250.029106]  ndisc_send_rs+0x331/0x6e0
[  250.031491] Node 0 
[  250.035896]  addrconf_rs_timer+0x3c0/0x6f0
[  250.037841] Normal: 
[  250.041897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.044277] 2389*4kB 
[  250.048174]  call_timer_fn+0x272/0x920
[  250.050374] (UME) 
[  250.054601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.056894] 378*8kB 
[  250.061124]  ? process_timeout+0x40/0x40
[  250.063503] (UME) 
[  250.067382]  ? find_held_lock+0x36/0x1c0
[  250.069499] 73*16kB (UM) 
[  250.073747]  ? __run_timers+0x7da/0xc70
[  250.076040] 1*32kB 
[  250.080098]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.082219] (U) 
[  250.086270]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.089002] 0*64kB 
[  250.092990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.095202] 0*128kB 
[  250.099691]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  250.101645] 0*256kB 
[  250.106134]  ? trace_hardirqs_on+0xbd/0x310
[  250.108342] 0*512kB 
[  250.112569]  ? kasan_check_read+0x11/0x20
[  250.114866] 0*1024kB 
[  250.119440]  ? __run_timers+0x7da/0xc70
[  250.121736] 0*2048kB 
[  250.126057]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.128354] 0*4096kB 
[  250.132504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.134890] = 13780kB
[  250.138890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.141279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  250.146717]  __run_timers+0x7e5/0xc70
[  250.149111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  250.153390]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.155745] 4510 total pagecache pages
[  250.159990]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.168813] 0 pages in swap cache
[  250.172600]  ? rcu_bh_qs+0xc0/0xc0
[  250.181148] Swap cache stats: add 0, delete 0, find 0/0
[  250.181157] Free swap  = 0kB
[  250.186534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.190389] Total swap = 0kB
[  250.195662]  ? check_preemption_disabled+0x48/0x200
[  250.199085] 1965979 pages RAM
[  250.202620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.207948] 0 pages HighMem/MovableOnly
[  250.207956] 342744 pages reserved
[  250.210971]  ? retint_kernel+0x2d/0x2d
[  250.216470] 0 pages cma reserved
[  250.216545] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.219491]  ? trace_hardirqs_on_caller+0xc0/0x300
[  250.224581] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.227585]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.232314] syz-fuzzer cpuset=
[  250.236291]  ? trace_hardirqs_off_caller+0x300/0x300
[  250.239714] /
[  250.243600]  ? check_preemption_disabled+0x48/0x200
[  250.246941]  mems_allowed=0
[  250.253423]  ? graph_lock+0x170/0x170
[  250.294967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.300526]  ? check_preemption_disabled+0x48/0x200
[  250.305559]  ? __lock_is_held+0xb5/0x140
[  250.309626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.315168]  ? check_preemption_disabled+0x48/0x200
[  250.320197]  run_timer_softirq+0x52/0xb0
[  250.324262]  ? rcu_read_lock_sched_held+0x108/0x120
[  250.329285]  __do_softirq+0x30b/0xad8
[  250.333112]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.338222]  ? pvclock_read_flags+0x160/0x160
[  250.342719]  ? lapic_next_event+0x5a/0x90
[  250.346880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.352421]  ? check_preemption_disabled+0x48/0x200
[  250.357441]  ? check_preemption_disabled+0x48/0x200
[  250.362466]  ? kvm_clock_read+0x18/0x30
[  250.366448]  ? kvm_sched_clock_read+0x9/0x20
[  250.370864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.376422]  ? check_preemption_disabled+0x48/0x200
[  250.381450]  irq_exit+0x17f/0x1c0
[  250.384909]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.389754]  ? smp_reschedule_interrupt+0x109/0x650
[  250.394790]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.400678]  ? interrupt_entry+0xb5/0xf0
[  250.404738]  ? trace_hardirqs_off_caller+0xbb/0x300
[  250.409755]  ? trace_hardirqs_off_caller+0xbb/0x300
[  250.414791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.419638]  ? trace_hardirqs_off+0x300/0x300
[  250.424132]  ? trace_hardirqs_off+0x300/0x300
[  250.428635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.434181]  ? check_preemption_disabled+0x48/0x200
[  250.439218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.444774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.449636]  apic_timer_interrupt+0xf/0x20
[  250.453865]  </IRQ>
[  250.456107] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.461038] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  250.479945] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  250.487664] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.494940] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  250.502213] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  250.509483] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.516755] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  250.524081]  skb_clone+0x1bb/0x500
[  250.527622]  ? finish_task_switch+0x2f5/0x900
[  250.532119]  ? skb_split+0x11e0/0x11e0
[  250.536010]  ? preempt_notifier_register+0x200/0x200
[  250.541113]  ? __switch_to_asm+0x34/0x70
[  250.545174]  ? __switch_to_asm+0x34/0x70
[  250.549233]  ? __switch_to_asm+0x40/0x70
[  250.553292]  ? __switch_to_asm+0x34/0x70
[  250.557356]  ? __switch_to_asm+0x40/0x70
[  250.561413]  ? __switch_to_asm+0x34/0x70
[  250.565470]  ? __switch_to_asm+0x40/0x70
[  250.569527]  ? __switch_to_asm+0x34/0x70
[  250.573592]  ? __switch_to_asm+0x34/0x70
[  250.577651]  ? __switch_to_asm+0x40/0x70
[  250.581709]  ? __switch_to_asm+0x34/0x70
[  250.585787]  bpf_clone_redirect+0xb9/0x490
[  250.590031]  ? __schedule+0x874/0x1ed0
[  250.593929]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  250.598946]  ? __sched_text_start+0x8/0x8
[  250.603093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.607861]  ? find_held_lock+0x36/0x1c0
[  250.611933]  ? lock_acquire+0x1ed/0x520
[  250.615905]  ? bpf_test_run+0x32e/0x5a0
[  250.619880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.625455]  ? check_preemption_disabled+0x48/0x200
[  250.630480]  ? kasan_check_read+0x11/0x20
[  250.634637]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.639918]  ? rcu_bh_qs+0xc0/0xc0
[  250.643463]  ? preempt_schedule+0x4d/0x60
[  250.647611]  ? ___preempt_schedule+0x16/0x18
[  250.652027]  ? bpf_test_run+0x1c0/0x5a0
[  250.656011]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.660427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.665962]  ? bpf_test_init.isra.9+0x70/0x100
[  250.670547]  ? bpf_prog_test_run_skb+0x634/0xb40
[  250.675318]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.680164]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.685707]  ? fput+0x130/0x1a0
[  250.688992]  ? __bpf_prog_get+0x9b/0x290
[  250.693058]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.697903]  ? bpf_prog_test_run+0x130/0x1a0
[  250.702322]  ? __x64_sys_bpf+0x3d8/0x510
[  250.706383]  ? bpf_prog_get+0x20/0x20
[  250.710191]  ? ksys_ioctl+0x81/0xd0
[  250.713837]  ? do_syscall_64+0x1b9/0x820
[  250.717905]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.723269]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.728207]  ? trace_hardirqs_off+0x300/0x300
[  250.732706]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.737731]  ? recalc_sigpending_tsk+0x180/0x180
[  250.742493]  ? kasan_check_write+0x14/0x20
[  250.746737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.751593]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  250.756978] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  250.757048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.763900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.763905] Call Trace:
[  250.763912]  <IRQ>
[  250.763929]  dump_stack+0x1c4/0x2b4
[  250.763945]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.763971]  warn_alloc.cold.118+0xb7/0x1bd
[  250.770493] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.779796]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.782358] syz-executor2 cpuset=
[  250.784505]  ? lock_downgrade+0x900/0x900
[  250.788106] syz2
[  250.793291]  ? trace_hardirqs_off+0xb8/0x300
[  250.797590]  mems_allowed=0
[  250.808067]  ? trace_hardirqs_off+0xb8/0x300
[  250.834151]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.839027]  ? warn_alloc+0x120/0x120
[  250.842839]  ? trace_hardirqs_on+0x310/0x310
[  250.847250]  ? warn_alloc+0x120/0x120
[  250.851057]  ? print_usage_bug+0xc0/0xc0
[  250.855116]  ? warn_alloc+0x120/0x120
[  250.858919]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  250.863936]  ? print_usage_bug+0xc0/0xc0
[  250.868007]  ? __lock_acquire+0x7ec/0x4ec0
[  250.872238]  ? __lock_acquire+0x7ec/0x4ec0
[  250.876472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.882011]  ? should_fail+0x22d/0xd01
[  250.885910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.891017]  ? __lock_acquire+0x7ec/0x4ec0
[  250.895253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.900355]  ? __lock_acquire+0x7ec/0x4ec0
[  250.904587]  ? should_fail+0x22d/0xd01
[  250.908473]  ? print_usage_bug+0xc0/0xc0
[  250.912546]  ? mark_held_locks+0x130/0x130
[  250.916795]  ? mark_held_locks+0x130/0x130
[  250.921050]  ? graph_lock+0x170/0x170
[  250.924847]  ? print_usage_bug+0xc0/0xc0
[  250.928914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.933675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.939221]  ? check_preemption_disabled+0x48/0x200
[  250.944236]  ? check_preemption_disabled+0x48/0x200
[  250.949262]  ? __lock_is_held+0xb5/0x140
[  250.953333]  __alloc_pages_nodemask+0xa80/0xde0
[  250.958003]  ? graph_lock+0x170/0x170
[  250.961823]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.966835]  ? graph_lock+0x170/0x170
[  250.970649]  ? find_held_lock+0x36/0x1c0
[  250.974731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.979399]  ? lock_downgrade+0x900/0x900
[  250.983554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.989093]  cache_grow_begin+0x91/0x8c0
[  250.993157]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.997574]  fallback_alloc+0x203/0x2e0
[  251.001554]  ____cache_alloc_node+0x1c7/0x1e0
[  251.006058]  kmem_cache_alloc_node+0xe3/0x730
[  251.010559]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.014822]  __alloc_skb+0x119/0x770
[  251.018540]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.023828]  ? skb_scrub_packet+0x490/0x490
[  251.028154]  ? lock_downgrade+0x900/0x900
[  251.032309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.037848]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.043307]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.048758]  ? addrconf_rs_timer+0x6f0/0x6f0
[  251.053194]  ndisc_alloc_skb+0x144/0x340
[  251.057264]  ndisc_send_rs+0x331/0x6e0
[  251.061156]  addrconf_rs_timer+0x3c0/0x6f0
[  251.065398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.069650]  call_timer_fn+0x272/0x920
[  251.074033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.078274]  ? process_timeout+0x40/0x40
[  251.082338]  ? find_held_lock+0x36/0x1c0
[  251.086407]  ? mark_held_locks+0xc7/0x130
[  251.090558]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.095051]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.099558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.103809]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  251.108393]  ? trace_hardirqs_on+0xbd/0x310
[  251.112716]  ? kasan_check_read+0x11/0x20
[  251.116868]  ? __run_timers+0x7da/0xc70
[  251.120846]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.126308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.130548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.134795]  __run_timers+0x7e5/0xc70
[  251.138648]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.144018]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.149039]  ? graph_lock+0x170/0x170
[  251.152847]  ? print_usage_bug+0xc0/0xc0
[  251.156906]  ? lock_release+0x970/0x970
[  251.160886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.166084]  ? find_held_lock+0x36/0x1c0
[  251.170147]  ? graph_lock+0x170/0x170
[  251.173952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.179492]  ? check_preemption_disabled+0x48/0x200
[  251.184521]  ? __lock_is_held+0xb5/0x140
[  251.188586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.194133]  ? check_preemption_disabled+0x48/0x200
[  251.199166]  run_timer_softirq+0x52/0xb0
[  251.203230]  ? rcu_read_lock_sched_held+0x108/0x120
[  251.208447]  __do_softirq+0x30b/0xad8
[  251.212259]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  251.217370]  ? pvclock_read_flags+0x160/0x160
[  251.221866]  ? lapic_next_event+0x5a/0x90
[  251.226019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.231559]  ? check_preemption_disabled+0x48/0x200
[  251.236577]  ? check_preemption_disabled+0x48/0x200
[  251.241603]  ? kvm_clock_read+0x18/0x30
[  251.245578]  ? kvm_sched_clock_read+0x9/0x20
[  251.249990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.255529]  ? check_preemption_disabled+0x48/0x200
[  251.260558]  irq_exit+0x17f/0x1c0
[  251.264018]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.268862]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.274751]  ? interrupt_entry+0xb5/0xf0
[  251.278825]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.283838]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.288853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.293696]  ? trace_hardirqs_off+0x300/0x300
[  251.298186]  ? trace_hardirqs_off+0x300/0x300
[  251.302683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.308248]  ? check_preemption_disabled+0x48/0x200
[  251.313278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.318836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.323689]  apic_timer_interrupt+0xf/0x20
[  251.327916]  </IRQ>
[  251.330154] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  251.335432] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  251.354333] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  251.362041] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  251.369305] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  251.376572] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  251.383837] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  251.391101] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  251.398393]  ? arch_local_irq_restore+0x45/0x52
[  251.403072]  dump_stack+0x26a/0x2b4
[  251.406703]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.411899]  ? mark_held_locks+0x130/0x130
[  251.416134]  ? mark_held_locks+0x130/0x130
[  251.420377]  dump_header+0x27b/0xf72
[  251.424101]  ? pagefault_out_of_memory+0x197/0x197
[  251.429035]  ? mark_held_locks+0x130/0x130
[  251.433269]  ? __lock_acquire+0x7ec/0x4ec0
[  251.437504]  ? mem_cgroup_charge_statistics+0x780/0x780
[  251.442870]  ? print_usage_bug+0xc0/0xc0
[  251.446929]  ? print_usage_bug+0xc0/0xc0
[  251.450993]  ? graph_lock+0x170/0x170
[  251.454815]  ? graph_lock+0x170/0x170
[  251.458620]  ? print_usage_bug+0xc0/0xc0
[  251.462682]  ? print_usage_bug+0xc0/0xc0
[  251.466753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.472308]  ? find_held_lock+0x36/0x1c0
[  251.476378]  ? mark_held_locks+0xc7/0x130
[  251.480530]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.485632]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.490743]  ? lockdep_hardirqs_on+0x421/0x5c0
[  251.495334]  ? trace_hardirqs_on+0xbd/0x310
[  251.499658]  ? kasan_check_read+0x11/0x20
[  251.503823]  ? ___ratelimit+0x36f/0x655
[  251.507814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.513265]  ? trace_hardirqs_on+0x310/0x310
[  251.517686]  ? lock_downgrade+0x900/0x900
[  251.521852]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.526955]  ? ___ratelimit+0xaa/0x655
[  251.530864]  ? idr_get_free+0xec0/0xec0
[  251.534845]  ? kasan_check_write+0x14/0x20
[  251.539080]  ? do_raw_spin_lock+0xc1/0x200
[  251.543325]  oom_kill_process.cold.27+0x10/0x903
[  251.548086]  ? graph_lock+0x170/0x170
[  251.551884]  ? _raw_spin_unlock+0x2c/0x50
[  251.556029]  ? oom_badness+0xe6/0xaa0
[  251.559842]  ? oom_evaluate_task+0x540/0x540
[  251.564252]  ? find_held_lock+0x36/0x1c0
[  251.568321]  ? out_of_memory+0x974/0x14c0
[  251.572468]  ? lock_downgrade+0x900/0x900
[  251.576624]  ? check_preemption_disabled+0x48/0x200
[  251.581653]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.587449]  ? kasan_check_read+0x11/0x20
[  251.591598]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.596873]  ? rcu_bh_qs+0xc0/0xc0
[  251.600444]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.605459]  ? oom_evaluate_task+0x302/0x540
[  251.609869]  out_of_memory+0xa86/0x14c0
[  251.613851]  ? oom_killer_disable+0x3a0/0x3a0
[  251.618349]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  251.623285]  ? __mutex_add_waiter+0x2a0/0x2a0
[  251.627810]  __alloc_pages_slowpath+0x2318/0x2d80
[  251.632693]  ? warn_alloc+0x120/0x120
[  251.636508]  ? find_get_entry+0x2f2/0xc40
[  251.640668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.646210]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  251.651137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.656677]  ? should_fail+0x22d/0xd01
[  251.660572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.665677]  ? __lock_is_held+0xb5/0x140
[  251.669767]  ? __lock_is_held+0xb5/0x140
[  251.673855]  ? find_held_lock+0x36/0x1c0
[  251.677919]  ? ___might_sleep+0x1ed/0x300
[  251.682107]  ? lock_release+0x970/0x970
[  251.686080]  ? arch_local_save_flags+0x40/0x40
[  251.690672]  ? __might_sleep+0x95/0x190
[  251.694650]  __alloc_pages_nodemask+0xa80/0xde0
[  251.699325]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.704349]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.710149]  ? kasan_check_read+0x11/0x20
[  251.714301]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.719581]  ? graph_lock+0x170/0x170
[  251.723380]  ? print_usage_bug+0xc0/0xc0
[  251.727444]  ? graph_lock+0x170/0x170
[  251.731246]  ? graph_lock+0x170/0x170
[  251.735046]  ? __do_page_cache_readahead+0x7ce/0x980
[  251.740154]  ? find_held_lock+0x36/0x1c0
[  251.744223]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  251.749770]  alloc_pages_current+0x10c/0x210
[  251.754188]  ? lock_downgrade+0x900/0x900
[  251.758340]  __page_cache_alloc+0x38f/0x5b0
[  251.762677]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.768477]  ? kasan_check_read+0x11/0x20
[  251.772629]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.777911]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  251.782582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.788128]  ? check_preemption_disabled+0x48/0x200
[  251.793149]  filemap_fault+0x1594/0x25f0
[  251.797225]  ? __lock_page_or_retry+0xa00/0xa00
[  251.801897]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.807693]  ? kasan_check_read+0x11/0x20
[  251.811840]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.817121]  ? rcu_bh_qs+0xc0/0xc0
[  251.820673]  ? filemap_map_pages+0xdea/0x1980
[  251.825179]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.830288]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  251.835561]  ? debug_object_free+0x325/0x690
[  251.839975]  ? find_get_pages_range_tag+0x1320/0x1320
[  251.845169]  ? graph_lock+0x170/0x170
[  251.848976]  ? kasan_check_read+0x11/0x20
[  251.853128]  ? debug_object_destroy+0x2b0/0x2b0
[  251.857826]  ? lock_acquire+0x1ed/0x520
[  251.861814]  ? ext4_filemap_fault+0x7a/0xad
[  251.866144]  ? lock_release+0x970/0x970
[  251.870117]  ? arch_local_save_flags+0x40/0x40
[  251.874703]  ? futex_wait_setup+0x3e0/0x3e0
[  251.879035]  ? down_read+0xb0/0x1d0
[  251.882659]  ? ext4_filemap_fault+0x7a/0xad
[  251.886977]  ? __down_interruptible+0x700/0x700
[  251.891670]  ext4_filemap_fault+0x82/0xad
[  251.895828]  __do_fault+0x100/0x6b0
[  251.899460]  ? print_bad_pte+0x6c0/0x6c0
[  251.903558]  ? do_futex+0x249/0x26d0
[  251.907280]  ? pmd_val+0x88/0x100
[  251.910732]  ? add_mm_counter_fast+0xd0/0xd0
[  251.915142]  ? pmd_val+0x88/0x100
[  251.918598]  ? add_mm_counter_fast+0xd0/0xd0
[  251.923015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.928556]  __handle_mm_fault+0x3709/0x53e0
[  251.932977]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  251.937826]  ? graph_lock+0x170/0x170
[  251.941629]  ? print_usage_bug+0xc0/0xc0
[  251.945690]  ? graph_lock+0x170/0x170
[  251.949492]  ? graph_lock+0x170/0x170
[  251.953318]  ? handle_mm_fault+0x42a/0xc70
[  251.957553]  ? lock_downgrade+0x900/0x900
[  251.961703]  ? check_preemption_disabled+0x48/0x200
[  251.966730]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.972531]  ? kasan_check_read+0x11/0x20
[  251.976683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.981960]  ? rcu_bh_qs+0xc0/0xc0
[  251.985504]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.990960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.996503]  ? check_preemption_disabled+0x48/0x200
[  252.001530]  handle_mm_fault+0x54f/0xc70
[  252.005596]  ? __handle_mm_fault+0x53e0/0x53e0
[  252.010180]  ? find_vma+0x34/0x190
[  252.013729]  __do_page_fault+0x67d/0xed0
[  252.017811]  ? mm_fault_error+0x380/0x380
[  252.021958]  ? trace_hardirqs_off+0xb8/0x300
[  252.026365]  ? trace_hardirqs_on+0x310/0x310
[  252.030775]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.036163]  ? trace_hardirqs_on+0x310/0x310
[  252.040579]  do_page_fault+0xf2/0x7e0
[  252.044379]  ? vmalloc_sync_all+0x30/0x30
[  252.048528]  ? error_entry+0x70/0xd0
[  252.052246]  ? trace_hardirqs_off_caller+0xbb/0x300
[  252.057259]  ? trace_hardirqs_on_caller+0xc0/0x300
[  252.062189]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.067115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.071961]  ? trace_hardirqs_off+0x300/0x300
[  252.076455]  ? trace_hardirqs_off_caller+0x300/0x300
[  252.081564]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.086580]  ? page_fault+0x8/0x30
[  252.090124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.094968]  ? page_fault+0x8/0x30
[  252.098511]  page_fault+0x1e/0x30
[  252.101960] RIP: 0033:0x40f9c0
[  252.105168] Code: Bad RIP value.
[  252.108540] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  252.113906] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  252.121171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  252.128437] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  252.135702] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  252.142967] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  252.150259] warn_alloc_show_mem: 1 callbacks suppressed
[  252.150272] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  252.150274] Mem-Info:
[  252.150306] active_anon:52539 inactive_anon:923 isolated_anon:0
[  252.150306]  active_file:16 inactive_file:19 isolated_file:0
[  252.150306]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.150306]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  252.150306]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  252.150306]  free:13650 free_pcp:205 free_cma:0
[  252.155643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.155655] Call Trace:
[  252.162936] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.165332]  <IRQ>
[  252.198291] Node 0 
[  252.207661]  dump_stack+0x1c4/0x2b4
[  252.210243] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  252.237971]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.240094] lowmem_reserve[]:
[  252.242338]  warn_alloc.cold.118+0xb7/0x1bd
[  252.245930]  0
[  252.271437]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.276601]  2817
[  252.279699]  ? lock_downgrade+0x900/0x900
[  252.283987]  6321 6321
[  252.285803]  ? trace_hardirqs_off+0xb8/0x300
[  252.290630] Node 0 
[  252.292702]  ? trace_hardirqs_off+0xb8/0x300
[  252.296847] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  252.299324]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.303691] lowmem_reserve[]: 0
[  252.305954]  ? warn_alloc+0x120/0x120
[  252.310339]  0
[  252.337319]  ? warn_alloc+0x120/0x120
[  252.342133]  3503
[  252.345406]  ? print_usage_bug+0xc0/0xc0
[  252.349173]  3503
[  252.350976]  ? warn_alloc+0x120/0x120
[  252.354752] Node 0 
[  252.356821]  ? print_usage_bug+0xc0/0xc0
[  252.360884] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  252.362918]  ? __lock_acquire+0x7ec/0x4ec0
[  252.366688] lowmem_reserve[]:
[  252.368916]  ? __lock_acquire+0x7ec/0x4ec0
[  252.372946]  0 0
[  252.401320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.405552]  0
[  252.408672]  ? should_fail+0x22d/0xd01
[  252.412879]  0
[  252.414853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.422160]  ? __lock_acquire+0x7ec/0x4ec0
[  252.426024] Node 0 
[  252.427825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.432894] DMA: 1*4kB 
[  252.437125]  ? __lock_acquire+0x7ec/0x4ec0
[  252.439334] (U) 
[  252.444431]  ? should_fail+0x22d/0xd01
[  252.446984] 0*8kB 0*16kB 
[  252.451222]  ? mark_held_locks+0x130/0x130
[  252.453165] 1*32kB 
[  252.457044]  ? mark_held_locks+0x130/0x130
[  252.459771] (U) 2*64kB 
[  252.464014]  ? graph_lock+0x170/0x170
[  252.466222] (U) 
[  252.470448]  ? graph_lock+0x170/0x170
[  252.473008] 1*128kB 
[  252.476806]  ? graph_lock+0x170/0x170
[  252.478767] (U) 
[  252.482563]  ? print_usage_bug+0xc0/0xc0
[  252.484857] 1*256kB (U) 
[  252.488659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.490607] 0*512kB 
[  252.494670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.497308] 1*1024kB (U) 
[  252.502849]  ? check_preemption_disabled+0x48/0x200
[  252.505140] 1*2048kB 
[  252.510670]  ? check_preemption_disabled+0x48/0x200
[  252.513403] (M) 
[  252.518418]  ? __lock_is_held+0xb5/0x140
[  252.520807] 3*4096kB 
[  252.525825]  __alloc_pages_nodemask+0xa80/0xde0
[  252.527771] (M) 
[  252.531836]  ? graph_lock+0x170/0x170
[  252.534221] = 15908kB
[  252.538887]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.540839] Node 0 
[  252.544628]  ? graph_lock+0x170/0x170
[  252.547015] DMA32: 
[  252.552028]  ? find_held_lock+0x36/0x1c0
[  252.554233] 2*4kB 
[  252.558030]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.560231] (M) 
[  252.564285]  ? lock_downgrade+0x900/0x900
[  252.566410] 1*8kB 
[  252.571075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.573018] (U) 
[  252.577163]  cache_grow_begin+0x91/0x8c0
[  252.579276] 4*16kB (UM) 
[  252.584820]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.584842]  fallback_alloc+0x203/0x2e0
[  252.586796] 2*32kB 
[  252.590860]  ____cache_alloc_node+0x1c7/0x1e0
[  252.593501] (UM) 
[  252.597910]  kmem_cache_alloc_node+0xe3/0x730
[  252.601855] 3*64kB 
[  252.604087]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.608549] (UM) 
[  252.610617]  __alloc_skb+0x119/0x770
[  252.615246] 4*128kB (UM) 
[  252.617488]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.621685] 2*256kB (M) 
[  252.623751]  ? skb_scrub_packet+0x490/0x490
[  252.627440] 4*512kB 
[  252.630191]  ? lock_downgrade+0x900/0x900
[  252.635439] (UM) 
[  252.638109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.642392] 3*1024kB (M) 
[  252.644717]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.648835] 1*2048kB 
[  252.650890]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.656400] (M) 
[  252.659150]  ? addrconf_rs_timer+0x6f0/0x6f0
[  252.664567] 4*4096kB (M) 
[  252.666992]  ndisc_alloc_skb+0x144/0x340
[  252.672403] = 24912kB
[  252.672411] Node 0 
[  252.674381]  ndisc_send_rs+0x331/0x6e0
[  252.678763] Normal: 
[  252.681525]  addrconf_rs_timer+0x3c0/0x6f0
[  252.685556] 2389*4kB 
[  252.687958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.690170] (UME) 
[  252.694062]  call_timer_fn+0x272/0x920
[  252.696350] 378*8kB 
[  252.700573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.702955] (UME) 
[  252.707182]  ? process_timeout+0x40/0x40
[  252.709312] 73*16kB 
[  252.713200]  ? find_held_lock+0x36/0x1c0
[  252.715497] (UM) 
[  252.719725]  ? __run_timers+0x7da/0xc70
[  252.721843] 1*32kB 
[  252.725897]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.728193] (U) 
[  252.732245]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.734285] 0*64kB 
[  252.738253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.740476] 0*128kB 
[  252.744975]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.746926] 0*256kB 
[  252.751412]  ? trace_hardirqs_on+0xbd/0x310
[  252.753621] 0*512kB 
[  252.757849]  ? kasan_check_read+0x11/0x20
[  252.760148] 0*1024kB 
[  252.764723]  ? __run_timers+0x7da/0xc70
[  252.767013] 0*2048kB 0*4096kB 
[  252.771340]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.773637] = 13780kB
[  252.777796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.780190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.784163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.787331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.787340] 4510 total pagecache pages
[  252.792794]  __run_timers+0x7e5/0xc70
[  252.795186] 0 pages in swap cache
[  252.799414]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.808210] Swap cache stats: add 0, delete 0, find 0/0
[  252.808219] Free swap  = 0kB
[  252.812459]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.821000] Total swap = 0kB
[  252.821008] 1965979 pages RAM
[  252.824891]  ? rcu_bh_qs+0xc0/0xc0
[  252.828665] 0 pages HighMem/MovableOnly
[  252.832110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.837442] 342744 pages reserved
[  252.837451] 0 pages cma reserved
[  252.842818]  ? check_preemption_disabled+0x48/0x200
[  252.842842]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.845902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.851106]  ? retint_kernel+0x2d/0x2d
[  252.854362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.857198]  ? trace_hardirqs_on_caller+0xc0/0x300
[  252.860714] syz-fuzzer cpuset=
[  252.864684]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.870196] /
[  252.873645]  ? trace_hardirqs_off_caller+0x300/0x300
[  252.876989]  mems_allowed=0
[  252.881998]  ? check_preemption_disabled+0x48/0x200
[  252.934818]  ? graph_lock+0x170/0x170
[  252.938627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.944166]  ? check_preemption_disabled+0x48/0x200
[  252.949195]  ? __lock_is_held+0xb5/0x140
[  252.953258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.958804]  ? check_preemption_disabled+0x48/0x200
[  252.963830]  run_timer_softirq+0x52/0xb0
[  252.967890]  ? rcu_read_lock_sched_held+0x108/0x120
[  252.972916]  __do_softirq+0x30b/0xad8
[  252.976727]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.981862]  ? pvclock_read_flags+0x160/0x160
[  252.986355]  ? lapic_next_event+0x5a/0x90
[  252.990506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.996053]  ? check_preemption_disabled+0x48/0x200
[  253.001069]  ? check_preemption_disabled+0x48/0x200
[  253.006090]  ? kvm_clock_read+0x18/0x30
[  253.010065]  ? kvm_sched_clock_read+0x9/0x20
[  253.014481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.020025]  ? check_preemption_disabled+0x48/0x200
[  253.025058]  irq_exit+0x17f/0x1c0
[  253.028519]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.033363]  ? smp_reschedule_interrupt+0x109/0x650
[  253.038386]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.044270]  ? interrupt_entry+0xb5/0xf0
[  253.048337]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.053351]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.058371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.063217]  ? trace_hardirqs_off+0x300/0x300
[  253.067713]  ? trace_hardirqs_off+0x300/0x300
[  253.072209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.078093]  ? check_preemption_disabled+0x48/0x200
[  253.083113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.088659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.093511]  apic_timer_interrupt+0xf/0x20
[  253.097738]  </IRQ>
[  253.099976] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.104910] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  253.123811] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  253.131521] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  253.138795] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  253.146069] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  253.153335] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  253.160601] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  253.167920]  skb_clone+0x1bb/0x500
[  253.171464]  ? finish_task_switch+0x2f5/0x900
[  253.175960]  ? skb_split+0x11e0/0x11e0
[  253.179851]  ? preempt_notifier_register+0x200/0x200
[  253.184953]  ? __switch_to_asm+0x34/0x70
[  253.189013]  ? __switch_to_asm+0x34/0x70
[  253.193073]  ? __switch_to_asm+0x40/0x70
[  253.197132]  ? __switch_to_asm+0x34/0x70
[  253.201193]  ? __switch_to_asm+0x40/0x70
[  253.205711]  ? __switch_to_asm+0x34/0x70
[  253.209769]  ? __switch_to_asm+0x40/0x70
[  253.213837]  ? __switch_to_asm+0x34/0x70
[  253.217900]  ? __switch_to_asm+0x34/0x70
[  253.221961]  ? __switch_to_asm+0x40/0x70
[  253.226020]  ? __switch_to_asm+0x34/0x70
[  253.230092]  bpf_clone_redirect+0xb9/0x490
[  253.234335]  ? __schedule+0x874/0x1ed0
[  253.238233]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  253.243253]  ? __sched_text_start+0x8/0x8
[  253.247402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.252174]  ? find_held_lock+0x36/0x1c0
[  253.256241]  ? lock_acquire+0x1ed/0x520
[  253.260217]  ? bpf_test_run+0x32e/0x5a0
[  253.264197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.269739]  ? check_preemption_disabled+0x48/0x200
[  253.274762]  ? kasan_check_read+0x11/0x20
[  253.278928]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.284205]  ? rcu_bh_qs+0xc0/0xc0
[  253.287759]  ? preempt_schedule+0x4d/0x60
[  253.291922]  ? ___preempt_schedule+0x16/0x18
[  253.296343]  ? bpf_test_run+0x1c0/0x5a0
[  253.300335]  ? netlink_diag_dump+0x2a0/0x2a0
[  253.304747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.310289]  ? bpf_test_init.isra.9+0x70/0x100
[  253.314884]  ? bpf_prog_test_run_skb+0x634/0xb40
[  253.319650]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.324489]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.330026]  ? fput+0x130/0x1a0
[  253.333314]  ? __bpf_prog_get+0x9b/0x290
[  253.337378]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.342233]  ? bpf_prog_test_run+0x130/0x1a0
[  253.346659]  ? __x64_sys_bpf+0x3d8/0x510
[  253.350720]  ? bpf_prog_get+0x20/0x20
[  253.354525]  ? ksys_ioctl+0x81/0xd0
[  253.358162]  ? do_syscall_64+0x1b9/0x820
[  253.362221]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.367603]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.372551]  ? trace_hardirqs_off+0x300/0x300
[  253.377044]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.382063]  ? recalc_sigpending_tsk+0x180/0x180
[  253.386828]  ? kasan_check_write+0x14/0x20
[  253.391067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.395922]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.401303] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  253.401388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.408228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.408234] Call Trace:
[  253.408240]  <IRQ>
[  253.408257]  dump_stack+0x1c4/0x2b4
[  253.408277]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.414856] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.424114]  warn_alloc.cold.118+0xb7/0x1bd
[  253.426666] syz-executor2 cpuset=
[  253.428825]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.432425] syz2
[  253.437610]  ? lock_downgrade+0x900/0x900
[  253.448069]  mems_allowed=0
[  253.452382]  ? trace_hardirqs_off+0xb8/0x300
[  253.474045]  ? trace_hardirqs_off+0xb8/0x300
[  253.478467]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.483343]  ? warn_alloc+0x120/0x120
[  253.487151]  ? warn_alloc+0x120/0x120
[  253.490954]  ? print_usage_bug+0xc0/0xc0
[  253.495016]  ? warn_alloc+0x120/0x120
[  253.498824]  ? print_usage_bug+0xc0/0xc0
[  253.502897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.508433]  ? should_fail+0x22d/0xd01
[  253.512321]  ? lock_downgrade+0x900/0x900
[  253.516476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.521577]  ? __lock_acquire+0x7ec/0x4ec0
[  253.525840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.530943]  ? __lock_acquire+0x7ec/0x4ec0
[  253.535179]  ? should_fail+0x22d/0xd01
[  253.539074]  ? mark_held_locks+0x130/0x130
[  253.543314]  ? mark_held_locks+0x130/0x130
[  253.547554]  ? select_task_rq_fair+0x754/0x34f0
[  253.552221]  ? lock_downgrade+0x900/0x900
[  253.556371]  ? check_preemption_disabled+0x48/0x200
[  253.561391]  ? graph_lock+0x170/0x170
[  253.565188]  ? print_usage_bug+0xc0/0xc0
[  253.569254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.574798]  ? check_preemption_disabled+0x48/0x200
[  253.579824]  ? check_preemption_disabled+0x48/0x200
[  253.584859]  ? __lock_is_held+0xb5/0x140
[  253.588925]  __alloc_pages_nodemask+0xa80/0xde0
[  253.593600]  ? graph_lock+0x170/0x170
[  253.597502]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.602525]  ? graph_lock+0x170/0x170
[  253.606339]  ? find_held_lock+0x36/0x1c0
[  253.610410]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.615082]  ? lock_downgrade+0x900/0x900
[  253.619240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.624787]  cache_grow_begin+0x91/0x8c0
[  253.628874]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.633290]  fallback_alloc+0x203/0x2e0
[  253.637275]  ____cache_alloc_node+0x1c7/0x1e0
[  253.641787]  kmem_cache_alloc_node+0xe3/0x730
[  253.646293]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.650538]  __alloc_skb+0x119/0x770
[  253.654256]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.659540]  ? skb_scrub_packet+0x490/0x490
[  253.663862]  ? lock_downgrade+0x900/0x900
[  253.668021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.673562]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.679018]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.684470]  ? addrconf_rs_timer+0x6f0/0x6f0
[  253.688896]  ndisc_alloc_skb+0x144/0x340
[  253.692969]  ndisc_send_rs+0x331/0x6e0
[  253.696861]  addrconf_rs_timer+0x3c0/0x6f0
[  253.701102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.705354]  call_timer_fn+0x272/0x920
[  253.709245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.713481]  ? process_timeout+0x40/0x40
[  253.717540]  ? find_held_lock+0x36/0x1c0
[  253.721607]  ? mark_held_locks+0xc7/0x130
[  253.725759]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.730261]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.734754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.738994]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  253.743576]  ? trace_hardirqs_on+0xbd/0x310
[  253.747899]  ? kasan_check_read+0x11/0x20
[  253.752046]  ? __run_timers+0x7da/0xc70
[  253.756021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.761485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.765723]  __run_timers+0x7e5/0xc70
[  253.769535]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.774901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.779915]  ? graph_lock+0x170/0x170
[  253.783721]  ? print_usage_bug+0xc0/0xc0
[  253.787785]  ? lock_release+0x970/0x970
[  253.791768]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.796980]  ? find_held_lock+0x36/0x1c0
[  253.801047]  ? graph_lock+0x170/0x170
[  253.804852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.810403]  ? check_preemption_disabled+0x48/0x200
[  253.815430]  ? __lock_is_held+0xb5/0x140
[  253.819492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.825027]  ? check_preemption_disabled+0x48/0x200
[  253.830048]  run_timer_softirq+0x52/0xb0
[  253.834107]  ? rcu_read_lock_sched_held+0x108/0x120
[  253.839126]  __do_softirq+0x30b/0xad8
[  253.842939]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.848051]  ? pvclock_read_flags+0x160/0x160
[  253.852547]  ? lapic_next_event+0x5a/0x90
[  253.856695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.862246]  ? check_preemption_disabled+0x48/0x200
[  253.867259]  ? check_preemption_disabled+0x48/0x200
[  253.872288]  ? kvm_clock_read+0x18/0x30
[  253.876265]  ? kvm_sched_clock_read+0x9/0x20
[  253.880678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.886218]  ? check_preemption_disabled+0x48/0x200
[  253.891248]  irq_exit+0x17f/0x1c0
[  253.894717]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.899564]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.905456]  ? interrupt_entry+0xb5/0xf0
[  253.909527]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.914544]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.919563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.924411]  ? trace_hardirqs_off+0x300/0x300
[  253.928907]  ? trace_hardirqs_off+0x300/0x300
[  253.933407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.938953]  ? check_preemption_disabled+0x48/0x200
[  253.943973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.949521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.954375]  apic_timer_interrupt+0xf/0x20
[  253.958601]  </IRQ>
[  253.960838] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  253.966119] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  253.985032] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  253.992751] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  254.000030] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  254.007306] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  254.014581] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  254.021944] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  254.029240]  ? arch_local_irq_restore+0x45/0x52
[  254.033927]  dump_stack+0x26a/0x2b4
[  254.037562]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.042762]  ? mark_held_locks+0x130/0x130
[  254.047016]  ? mark_held_locks+0x130/0x130
[  254.051257]  dump_header+0x27b/0xf72
[  254.054985]  ? pagefault_out_of_memory+0x197/0x197
[  254.059924]  ? mark_held_locks+0x130/0x130
[  254.064163]  ? __lock_acquire+0x7ec/0x4ec0
[  254.068409]  ? mem_cgroup_charge_statistics+0x780/0x780
[  254.073789]  ? print_usage_bug+0xc0/0xc0
[  254.077863]  ? print_usage_bug+0xc0/0xc0
[  254.081933]  ? graph_lock+0x170/0x170
[  254.085733]  ? graph_lock+0x170/0x170
[  254.089542]  ? print_usage_bug+0xc0/0xc0
[  254.093604]  ? print_usage_bug+0xc0/0xc0
[  254.097680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.103235]  ? find_held_lock+0x36/0x1c0
[  254.107311]  ? mark_held_locks+0xc7/0x130
[  254.111467]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.116574]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.121681]  ? lockdep_hardirqs_on+0x421/0x5c0
[  254.126268]  ? trace_hardirqs_on+0xbd/0x310
[  254.130589]  ? kasan_check_read+0x11/0x20
[  254.134743]  ? ___ratelimit+0x36f/0x655
[  254.138724]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.144177]  ? trace_hardirqs_on+0x310/0x310
[  254.148593]  ? lock_downgrade+0x900/0x900
[  254.152755]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.157874]  ? ___ratelimit+0xaa/0x655
[  254.161773]  ? idr_get_free+0xec0/0xec0
[  254.165770]  ? kasan_check_write+0x14/0x20
[  254.170022]  ? do_raw_spin_lock+0xc1/0x200
[  254.174269]  oom_kill_process.cold.27+0x10/0x903
[  254.179028]  ? graph_lock+0x170/0x170
[  254.182834]  ? _raw_spin_unlock+0x2c/0x50
[  254.186986]  ? oom_badness+0xe6/0xaa0
[  254.190813]  ? oom_evaluate_task+0x540/0x540
[  254.195232]  ? find_held_lock+0x36/0x1c0
[  254.199307]  ? out_of_memory+0x974/0x14c0
[  254.203464]  ? lock_downgrade+0x900/0x900
[  254.207615]  ? check_preemption_disabled+0x48/0x200
[  254.212639]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.218440]  ? kasan_check_read+0x11/0x20
[  254.222595]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.227875]  ? rcu_bh_qs+0xc0/0xc0
[  254.231421]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.236443]  ? oom_evaluate_task+0x302/0x540
[  254.240859]  out_of_memory+0xa86/0x14c0
[  254.244850]  ? oom_killer_disable+0x3a0/0x3a0
[  254.249350]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  254.254286]  ? __mutex_add_waiter+0x2a0/0x2a0
[  254.258811]  __alloc_pages_slowpath+0x2318/0x2d80
[  254.263700]  ? warn_alloc+0x120/0x120
[  254.267513]  ? find_get_entry+0x2f2/0xc40
[  254.271684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.277226]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  254.282159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.287696]  ? should_fail+0x22d/0xd01
[  254.291590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.296696]  ? __lock_is_held+0xb5/0x140
[  254.300806]  ? __lock_is_held+0xb5/0x140
[  254.304879]  ? find_held_lock+0x36/0x1c0
[  254.308948]  ? ___might_sleep+0x1ed/0x300
[  254.313095]  ? lock_release+0x970/0x970
[  254.317074]  ? arch_local_save_flags+0x40/0x40
[  254.321668]  ? __might_sleep+0x95/0x190
[  254.325649]  __alloc_pages_nodemask+0xa80/0xde0
[  254.330328]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.335358]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.341158]  ? kasan_check_read+0x11/0x20
[  254.345313]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.350597]  ? graph_lock+0x170/0x170
[  254.354400]  ? print_usage_bug+0xc0/0xc0
[  254.358468]  ? graph_lock+0x170/0x170
[  254.362270]  ? graph_lock+0x170/0x170
[  254.366070]  ? __do_page_cache_readahead+0x7ce/0x980
[  254.371181]  ? find_held_lock+0x36/0x1c0
[  254.375253]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  254.380812]  alloc_pages_current+0x10c/0x210
[  254.385225]  ? lock_downgrade+0x900/0x900
[  254.389382]  __page_cache_alloc+0x38f/0x5b0
[  254.393716]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.399523]  ? kasan_check_read+0x11/0x20
[  254.403686]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.408980]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  254.413671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.419216]  ? check_preemption_disabled+0x48/0x200
[  254.424250]  filemap_fault+0x1594/0x25f0
[  254.428332]  ? __lock_page_or_retry+0xa00/0xa00
[  254.433015]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.438833]  ? kasan_check_read+0x11/0x20
[  254.442997]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.448290]  ? rcu_bh_qs+0xc0/0xc0
[  254.451852]  ? filemap_map_pages+0xdea/0x1980
[  254.456360]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.461476]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  254.466757]  ? debug_object_free+0x325/0x690
[  254.471195]  ? find_get_pages_range_tag+0x1320/0x1320
[  254.476404]  ? graph_lock+0x170/0x170
[  254.480230]  ? kasan_check_read+0x11/0x20
[  254.484386]  ? debug_object_destroy+0x2b0/0x2b0
[  254.489072]  ? lock_acquire+0x1ed/0x520
[  254.493058]  ? ext4_filemap_fault+0x7a/0xad
[  254.497387]  ? lock_release+0x970/0x970
[  254.501383]  ? arch_local_save_flags+0x40/0x40
[  254.505975]  ? futex_wait_setup+0x3e0/0x3e0
[  254.510317]  ? down_read+0xb0/0x1d0
[  254.513945]  ? ext4_filemap_fault+0x7a/0xad
[  254.518273]  ? __down_interruptible+0x700/0x700
[  254.522965]  ext4_filemap_fault+0x82/0xad
[  254.527122]  __do_fault+0x100/0x6b0
[  254.530759]  ? print_bad_pte+0x6c0/0x6c0
[  254.534852]  ? do_futex+0x249/0x26d0
[  254.538574]  ? pmd_val+0x88/0x100
[  254.542034]  ? add_mm_counter_fast+0xd0/0xd0
[  254.546449]  ? pmd_val+0x88/0x100
[  254.549910]  ? add_mm_counter_fast+0xd0/0xd0
[  254.554330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.559893]  __handle_mm_fault+0x3709/0x53e0
[  254.564322]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  254.569181]  ? graph_lock+0x170/0x170
[  254.572996]  ? print_usage_bug+0xc0/0xc0
[  254.577063]  ? graph_lock+0x170/0x170
[  254.580868]  ? graph_lock+0x170/0x170
[  254.584697]  ? handle_mm_fault+0x42a/0xc70
[  254.588938]  ? lock_downgrade+0x900/0x900
[  254.593101]  ? check_preemption_disabled+0x48/0x200
[  254.598133]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.603935]  ? kasan_check_read+0x11/0x20
[  254.608097]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.613377]  ? rcu_bh_qs+0xc0/0xc0
[  254.616930]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.622386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.627930]  ? check_preemption_disabled+0x48/0x200
[  254.632978]  handle_mm_fault+0x54f/0xc70
[  254.637049]  ? __handle_mm_fault+0x53e0/0x53e0
[  254.641637]  ? find_vma+0x34/0x190
[  254.645186]  __do_page_fault+0x67d/0xed0
[  254.649256]  ? mm_fault_error+0x380/0x380
[  254.653414]  ? trace_hardirqs_off+0xb8/0x300
[  254.657844]  ? trace_hardirqs_on+0x310/0x310
[  254.662260]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.667636]  ? trace_hardirqs_on+0x310/0x310
[  254.672057]  do_page_fault+0xf2/0x7e0
[  254.675859]  ? vmalloc_sync_all+0x30/0x30
[  254.680015]  ? error_entry+0x70/0xd0
[  254.683735]  ? trace_hardirqs_off_caller+0xbb/0x300
[  254.688755]  ? trace_hardirqs_on_caller+0xc0/0x300
[  254.693699]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.698633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.703478]  ? trace_hardirqs_off+0x300/0x300
[  254.707986]  ? trace_hardirqs_off_caller+0x300/0x300
[  254.713096]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.718144]  ? page_fault+0x8/0x30
[  254.721692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.726541]  ? page_fault+0x8/0x30
[  254.730081]  page_fault+0x1e/0x30
[  254.733532] RIP: 0033:0x40f9c0
[  254.736731] Code: Bad RIP value.
[  254.740090] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  254.745456] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  254.752741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  254.760012] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  254.767284] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  254.774555] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  254.781861] warn_alloc_show_mem: 1 callbacks suppressed
[  254.781874] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  254.781875] Mem-Info:
[  254.781908] active_anon:52539 inactive_anon:923 isolated_anon:0
[  254.781908]  active_file:16 inactive_file:19 isolated_file:0
[  254.781908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.781908]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  254.781908]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  254.781908]  free:13650 free_pcp:205 free_cma:0
[  254.787236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.787244] Call Trace:
[  254.794532] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.796936]  <IRQ>
[  254.829896] Node 0 
[  254.839263]  dump_stack+0x1c4/0x2b4
[  254.841849] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  254.869595]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.871718] lowmem_reserve[]:
[  254.873964]  warn_alloc.cold.118+0xb7/0x1bd
[  254.877553]  0
[  254.903070]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.908244]  2817 6321
[  254.911360]  ? lock_downgrade+0x900/0x900
[  254.915646]  6321
[  254.917462]  ? trace_hardirqs_off+0xb8/0x300
[  254.922270] Node 0 
[  254.924768]  ? trace_hardirqs_off+0xb8/0x300
[  254.928911] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.930978]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.935347] lowmem_reserve[]: 0
[  254.937621]  ? warn_alloc+0x120/0x120
[  254.941978]  0
[  254.968972]  ? trace_hardirqs_on+0x310/0x310
[  254.973807]  3503
[  254.977087]  ? warn_alloc+0x120/0x120
[  254.980853]  3503
[  254.982664]  ? print_usage_bug+0xc0/0xc0
[  254.987045] Node 0 
[  254.989105]  ? warn_alloc+0x120/0x120
[  254.992903] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  254.994937]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.994954]  ? print_usage_bug+0xc0/0xc0
[  254.998983] lowmem_reserve[]: 0
[  255.001228]  ? __lock_acquire+0x7ec/0x4ec0
[  255.004998]  0
[  255.033394]  ? __lock_acquire+0x7ec/0x4ec0
[  255.038388]  0
[  255.042449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.045697]  0
[  255.049936]  ? should_fail+0x22d/0xd01
[  255.055944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.057745] Node 0 
[  255.063281]  ? __lock_acquire+0x7ec/0x4ec0
[  255.065053] DMA: 
[  255.068939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.074464] 1*4kB 
[  255.076702]  ? __lock_acquire+0x7ec/0x4ec0
[  255.080905] (U) 
[  255.082967]  ? should_fail+0x22d/0xd01
[  255.088039] 0*8kB 0*16kB 
[  255.090200]  ? print_usage_bug+0xc0/0xc0
[  255.094407] 1*32kB 
[  255.096406]  ? mark_held_locks+0x130/0x130
[  255.100254] (U) 
[  255.103012]  ? mark_held_locks+0x130/0x130
[  255.107042] 2*64kB 
[  255.109281]  ? graph_lock+0x170/0x170
[  255.113483] (U) 
[  255.115469]  ? print_usage_bug+0xc0/0xc0
[  255.119683] 1*128kB (U) 
[  255.121925]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.121943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.125719] 1*256kB 
[  255.127698]  ? check_preemption_disabled+0x48/0x200
[  255.131726] (U) 
[  255.134395]  ? check_preemption_disabled+0x48/0x200
[  255.134422]  ? __lock_is_held+0xb5/0x140
[  255.139149] 0*512kB 
[  255.144697]  __alloc_pages_nodemask+0xa80/0xde0
[  255.146993] 1*1024kB 
[  255.152008]  ? graph_lock+0x170/0x170
[  255.153954] (U) 
[  255.158988]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.163027] 1*2048kB (M) 
[  255.165353]  ? graph_lock+0x170/0x170
[  255.165378]  ? find_held_lock+0x36/0x1c0
[  255.170014] 3*4096kB (M) 
[  255.172437]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.176199] = 15908kB
[  255.176207] Node 0 
[  255.178180]  ? lock_downgrade+0x900/0x900
[  255.183160] DMA32: 2*4kB 
[  255.185934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.189700] (M) 
[  255.193763]  cache_grow_begin+0x91/0x8c0
[  255.196490] 1*8kB 
[  255.201248]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.203627] (U) 
[  255.206335]  fallback_alloc+0x203/0x2e0
[  255.210457] 4*16kB 
[  255.213216]  ____cache_alloc_node+0x1c7/0x1e0
[  255.218719] (UM) 
[  255.220697]  kmem_cache_alloc_node+0xe3/0x730
[  255.224726] 2*32kB 
[  255.226871]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.231264] (UM) 
[  255.233242]  __alloc_skb+0x119/0x770
[  255.237176] 3*64kB (UM) 
[  255.239420]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.243879] 4*128kB (UM) 
[  255.245948]  ? skb_scrub_packet+0x490/0x490
[  255.250414] 2*256kB 
[  255.252644]  ? lock_downgrade+0x900/0x900
[  255.256853] (M) 
[  255.258918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.262604] 4*512kB 
[  255.265272]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.270517] (UM) 
[  255.273273]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.277568] 3*1024kB 
[  255.279887]  ? addrconf_rs_timer+0x6f0/0x6f0
[  255.284005] (M) 
[  255.285988]  ndisc_alloc_skb+0x144/0x340
[  255.291480] 1*2048kB (M) 
[  255.293824]  ndisc_send_rs+0x331/0x6e0
[  255.299244] 4*4096kB 
[  255.301314]  addrconf_rs_timer+0x3c0/0x6f0
[  255.306725] (M) 
[  255.309139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.313508] = 24912kB
[  255.313516] Node 0 
[  255.315496]  call_timer_fn+0x272/0x920
[  255.319520] Normal: 
[  255.322277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.326133] 2389*4kB 
[  255.328547]  ? process_timeout+0x40/0x40
[  255.332750] (UME) 
[  255.334733]  ? find_held_lock+0x36/0x1c0
[  255.338936] 378*8kB 
[  255.341353]  ? __run_timers+0x7da/0xc70
[  255.343552] (UME) 
[  255.347438]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.349733] 73*16kB 
[  255.353962]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.356361] (UM) 
[  255.360415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.360434]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  255.362555] 1*32kB (U) 
[  255.366621]  ? trace_hardirqs_on+0xbd/0x310
[  255.368919] 0*64kB 
[  255.372883]  ? kasan_check_read+0x11/0x20
[  255.372902]  ? __run_timers+0x7da/0xc70
[  255.375022] 0*128kB 0*256kB 
[  255.379526]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.381830] 0*512kB 
[  255.386330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.388362] 0*1024kB 
[  255.392593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.397145] 0*2048kB 0*4096kB 
[  255.399757]  __run_timers+0x7e5/0xc70
[  255.404051] = 13780kB
[  255.406292]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.410444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  255.414407]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.414424]  ? rcu_bh_qs+0xc0/0xc0
[  255.417425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  255.422865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.425163] 4510 total pagecache pages
[  255.429409]  ? check_preemption_disabled+0x48/0x200
[  255.431810] 0 pages in swap cache
[  255.436035]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.439193] Swap cache stats: add 0, delete 0, find 0/0
[  255.439202] Free swap  = 0kB
[  255.442996]  ? retint_kernel+0x2d/0x2d
[  255.445379] Total swap = 0kB
[  255.450738]  ? trace_hardirqs_on_caller+0xc0/0x300
[  255.459547] 1965979 pages RAM
[  255.464825]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.464843]  ? trace_hardirqs_off_caller+0x300/0x300
[  255.468362] 0 pages HighMem/MovableOnly
[  255.476946]  ? check_preemption_disabled+0x48/0x200
[  255.482457] 342744 pages reserved
[  255.486375]  ? graph_lock+0x170/0x170
[  255.491361] 0 pages cma reserved
[  255.491436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.494831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.494850]  ? check_preemption_disabled+0x48/0x200
[  255.494875]  ? __lock_is_held+0xb5/0x140
[  255.499701] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.505027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.508017] syz-fuzzer cpuset=
[  255.511912]  ? check_preemption_disabled+0x48/0x200
[  255.514898] /
[  255.519836]  run_timer_softirq+0x52/0xb0
[  255.522918]  mems_allowed=0
[  255.606073]  ? rcu_read_lock_sched_held+0x108/0x120
[  255.611109]  __do_softirq+0x30b/0xad8
[  255.614930]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.620050]  ? pvclock_read_flags+0x160/0x160
[  255.624559]  ? lapic_next_event+0x5a/0x90
[  255.628722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.634281]  ? check_preemption_disabled+0x48/0x200
[  255.639324]  ? check_preemption_disabled+0x48/0x200
[  255.644367]  ? kvm_clock_read+0x18/0x30
[  255.648361]  ? kvm_sched_clock_read+0x9/0x20
[  255.652792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.658355]  ? check_preemption_disabled+0x48/0x200
[  255.663400]  irq_exit+0x17f/0x1c0
[  255.666873]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.671729]  ? smp_reschedule_interrupt+0x109/0x650
[  255.676759]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.682663]  ? interrupt_entry+0xb5/0xf0
[  255.686734]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.691763]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.696805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.701661]  ? trace_hardirqs_off+0x300/0x300
[  255.706163]  ? trace_hardirqs_off+0x300/0x300
[  255.710681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.716242]  ? check_preemption_disabled+0x48/0x200
[  255.721271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.726834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.731702]  apic_timer_interrupt+0xf/0x20
[  255.735953]  </IRQ>
[  255.738202] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.743140] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  255.762054] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  255.769791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.777073] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  255.784349] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  255.791627] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.798910] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  255.806225]  skb_clone+0x1bb/0x500
[  255.809777]  ? finish_task_switch+0x2f5/0x900
[  255.814294]  ? skb_split+0x11e0/0x11e0
[  255.818199]  ? preempt_notifier_register+0x200/0x200
[  255.823318]  ? __switch_to_asm+0x34/0x70
[  255.827387]  ? __switch_to_asm+0x34/0x70
[  255.831453]  ? __switch_to_asm+0x40/0x70
[  255.835515]  ? __switch_to_asm+0x34/0x70
[  255.839581]  ? __switch_to_asm+0x40/0x70
[  255.843641]  ? __switch_to_asm+0x34/0x70
[  255.847704]  ? __switch_to_asm+0x40/0x70
[  255.851767]  ? __switch_to_asm+0x34/0x70
[  255.855841]  ? __switch_to_asm+0x34/0x70
[  255.859903]  ? __switch_to_asm+0x40/0x70
[  255.863969]  ? __switch_to_asm+0x34/0x70
[  255.868047]  bpf_clone_redirect+0xb9/0x490
[  255.872288]  ? __schedule+0x874/0x1ed0
[  255.876188]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  255.881221]  ? __sched_text_start+0x8/0x8
[  255.885373]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.890151]  ? find_held_lock+0x36/0x1c0
[  255.894233]  ? lock_acquire+0x1ed/0x520
[  255.898212]  ? bpf_test_run+0x32e/0x5a0
[  255.902195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.907739]  ? check_preemption_disabled+0x48/0x200
[  255.912768]  ? kasan_check_read+0x11/0x20
[  255.916932]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.922219]  ? rcu_bh_qs+0xc0/0xc0
[  255.925766]  ? preempt_schedule+0x4d/0x60
[  255.929934]  ? ___preempt_schedule+0x16/0x18
[  255.934363]  ? bpf_test_run+0x1c0/0x5a0
[  255.938359]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.942791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.948342]  ? bpf_test_init.isra.9+0x70/0x100
[  255.952947]  ? bpf_prog_test_run_skb+0x634/0xb40
[  255.957713]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.962563]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.968106]  ? fput+0x130/0x1a0
[  255.971392]  ? __bpf_prog_get+0x9b/0x290
[  255.975470]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.980332]  ? bpf_prog_test_run+0x130/0x1a0
[  255.984754]  ? __x64_sys_bpf+0x3d8/0x510
[  255.988851]  ? bpf_prog_get+0x20/0x20
[  255.992668]  ? ksys_ioctl+0x81/0xd0
[  255.996316]  ? do_syscall_64+0x1b9/0x820
[  256.000382]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.005758]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.010701]  ? trace_hardirqs_off+0x300/0x300
[  256.015202]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.020224]  ? recalc_sigpending_tsk+0x180/0x180
[  256.025427]  ? kasan_check_write+0x14/0x20
[  256.029676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.034537]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.039931] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  256.040002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.046870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.046876] Call Trace:
[  256.046882]  <IRQ>
[  256.046902]  dump_stack+0x1c4/0x2b4
[  256.046916]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.046942]  warn_alloc.cold.118+0xb7/0x1bd
[  256.046959]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.053558] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.062815]  ? lock_downgrade+0x900/0x900
[  256.065370] syz-executor2 cpuset=
[  256.067515]  ? trace_hardirqs_off+0xb8/0x300
[  256.071111] syz2
[  256.076300]  ? trace_hardirqs_off+0xb8/0x300
[  256.080601]  mems_allowed=0
[  256.085444]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.122014]  ? warn_alloc+0x120/0x120
[  256.125832]  ? warn_alloc+0x120/0x120
[  256.129642]  ? print_usage_bug+0xc0/0xc0
[  256.133707]  ? warn_alloc+0x120/0x120
[  256.137518]  ? print_usage_bug+0xc0/0xc0
[  256.141583]  ? __lock_acquire+0x7ec/0x4ec0
[  256.145829]  ? __lock_acquire+0x7ec/0x4ec0
[  256.150075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.155706]  ? should_fail+0x22d/0xd01
[  256.159609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.164721]  ? __lock_acquire+0x7ec/0x4ec0
[  256.168968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.174073]  ? __lock_acquire+0x7ec/0x4ec0
[  256.178315]  ? should_fail+0x22d/0xd01
[  256.182217]  ? mark_held_locks+0x130/0x130
[  256.186458]  ? mark_held_locks+0x130/0x130
[  256.190703]  ? graph_lock+0x170/0x170
[  256.194506]  ? graph_lock+0x170/0x170
[  256.198315]  ? graph_lock+0x170/0x170
[  256.202210]  ? print_usage_bug+0xc0/0xc0
[  256.206287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.211834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.217379]  ? check_preemption_disabled+0x48/0x200
[  256.222399]  ? check_preemption_disabled+0x48/0x200
[  256.227434]  ? __lock_is_held+0xb5/0x140
[  256.231508]  __alloc_pages_nodemask+0xa80/0xde0
[  256.236179]  ? graph_lock+0x170/0x170
[  256.239991]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.245004]  ? graph_lock+0x170/0x170
[  256.248833]  ? find_held_lock+0x36/0x1c0
[  256.252907]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.257581]  ? lock_downgrade+0x900/0x900
[  256.261739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.267287]  cache_grow_begin+0x91/0x8c0
[  256.271351]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.275770]  fallback_alloc+0x203/0x2e0
[  256.279768]  ____cache_alloc_node+0x1c7/0x1e0
[  256.284294]  kmem_cache_alloc_node+0xe3/0x730
[  256.288813]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.293071]  __alloc_skb+0x119/0x770
[  256.296828]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.302119]  ? skb_scrub_packet+0x490/0x490
[  256.306444]  ? lock_downgrade+0x900/0x900
[  256.310602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.316142]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.321599]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.327058]  ? addrconf_rs_timer+0x6f0/0x6f0
[  256.331487]  ndisc_alloc_skb+0x144/0x340
[  256.335561]  ndisc_send_rs+0x331/0x6e0
[  256.339457]  addrconf_rs_timer+0x3c0/0x6f0
[  256.343703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.347957]  call_timer_fn+0x272/0x920
[  256.351867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.356126]  ? process_timeout+0x40/0x40
[  256.360206]  ? find_held_lock+0x36/0x1c0
[  256.364374]  ? mark_held_locks+0xc7/0x130
[  256.368528]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.373031]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.377533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.381772]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  256.386374]  ? trace_hardirqs_on+0xbd/0x310
[  256.390706]  ? kasan_check_read+0x11/0x20
[  256.394861]  ? __run_timers+0x7da/0xc70
[  256.398845]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.404308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.408551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.412801]  __run_timers+0x7e5/0xc70
[  256.416624]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.421992]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.427016]  ? graph_lock+0x170/0x170
[  256.430832]  ? print_usage_bug+0xc0/0xc0
[  256.434893]  ? lock_release+0x970/0x970
[  256.438874]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.444076]  ? find_held_lock+0x36/0x1c0
[  256.448145]  ? graph_lock+0x170/0x170
[  256.451957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.457500]  ? check_preemption_disabled+0x48/0x200
[  256.462532]  ? __lock_is_held+0xb5/0x140
[  256.466598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.472159]  ? check_preemption_disabled+0x48/0x200
[  256.477193]  run_timer_softirq+0x52/0xb0
[  256.481259]  ? rcu_read_lock_sched_held+0x108/0x120
[  256.486284]  __do_softirq+0x30b/0xad8
[  256.490096]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.495211]  ? pvclock_read_flags+0x160/0x160
[  256.499710]  ? lapic_next_event+0x5a/0x90
[  256.503860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.509403]  ? check_preemption_disabled+0x48/0x200
[  256.514421]  ? check_preemption_disabled+0x48/0x200
[  256.519455]  ? kvm_clock_read+0x18/0x30
[  256.523426]  ? kvm_sched_clock_read+0x9/0x20
[  256.527846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.533401]  ? check_preemption_disabled+0x48/0x200
[  256.538436]  irq_exit+0x17f/0x1c0
[  256.541896]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.546750]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.552646]  ? interrupt_entry+0xb5/0xf0
[  256.556721]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.561741]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.566764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.571625]  ? trace_hardirqs_off+0x300/0x300
[  256.576125]  ? trace_hardirqs_off+0x300/0x300
[  256.580627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.586172]  ? check_preemption_disabled+0x48/0x200
[  256.591190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.596738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.601596]  apic_timer_interrupt+0xf/0x20
[  256.605833]  </IRQ>
[  256.608075] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  256.613356] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  256.632262] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  256.639979] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  256.647253] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  256.654526] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  256.661799] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  256.669075] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  256.676367]  ? arch_local_irq_restore+0x45/0x52
[  256.681049]  dump_stack+0x26a/0x2b4
[  256.684733]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.689955]  ? mark_held_locks+0x130/0x130
[  256.694193]  ? mark_held_locks+0x130/0x130
[  256.698435]  dump_header+0x27b/0xf72
[  256.702250]  ? pagefault_out_of_memory+0x197/0x197
[  256.707189]  ? mark_held_locks+0x130/0x130
[  256.711427]  ? __lock_acquire+0x7ec/0x4ec0
[  256.715666]  ? mem_cgroup_charge_statistics+0x780/0x780
[  256.721028]  ? print_usage_bug+0xc0/0xc0
[  256.725091]  ? print_usage_bug+0xc0/0xc0
[  256.729162]  ? graph_lock+0x170/0x170
[  256.732968]  ? graph_lock+0x170/0x170
[  256.736773]  ? print_usage_bug+0xc0/0xc0
[  256.740846]  ? print_usage_bug+0xc0/0xc0
[  256.744918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.750466]  ? find_held_lock+0x36/0x1c0
[  256.754537]  ? mark_held_locks+0xc7/0x130
[  256.758691]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.763809]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.768918]  ? lockdep_hardirqs_on+0x421/0x5c0
[  256.773502]  ? trace_hardirqs_on+0xbd/0x310
[  256.777829]  ? kasan_check_read+0x11/0x20
[  256.781978]  ? ___ratelimit+0x36f/0x655
[  256.785956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.791407]  ? trace_hardirqs_on+0x310/0x310
[  256.795833]  ? lock_downgrade+0x900/0x900
[  256.799994]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.805102]  ? ___ratelimit+0xaa/0x655
[  256.808991]  ? idr_get_free+0xec0/0xec0
[  256.812971]  ? kasan_check_write+0x14/0x20
[  256.817211]  ? do_raw_spin_lock+0xc1/0x200
[  256.821455]  oom_kill_process.cold.27+0x10/0x903
[  256.826216]  ? graph_lock+0x170/0x170
[  256.830020]  ? _raw_spin_unlock+0x2c/0x50
[  256.834168]  ? oom_badness+0xe6/0xaa0
[  256.837973]  ? oom_evaluate_task+0x540/0x540
[  256.842385]  ? find_held_lock+0x36/0x1c0
[  256.846454]  ? out_of_memory+0x974/0x14c0
[  256.850607]  ? lock_downgrade+0x900/0x900
[  256.854758]  ? check_preemption_disabled+0x48/0x200
[  256.859801]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.865608]  ? kasan_check_read+0x11/0x20
[  256.869770]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.875068]  ? rcu_bh_qs+0xc0/0xc0
[  256.878634]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.883670]  ? oom_evaluate_task+0x302/0x540
[  256.888090]  out_of_memory+0xa86/0x14c0
[  256.892076]  ? oom_killer_disable+0x3a0/0x3a0
[  256.896588]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  256.901553]  ? __mutex_add_waiter+0x2a0/0x2a0
[  256.906066]  __alloc_pages_slowpath+0x2318/0x2d80
[  256.910942]  ? warn_alloc+0x120/0x120
[  256.914760]  ? find_get_entry+0x2f2/0xc40
[  256.918929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.924475]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  256.929409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.934957]  ? should_fail+0x22d/0xd01
[  256.938861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.943968]  ? __lock_is_held+0xb5/0x140
[  256.948067]  ? __lock_is_held+0xb5/0x140
[  256.952142]  ? find_held_lock+0x36/0x1c0
[  256.956215]  ? ___might_sleep+0x1ed/0x300
[  256.960370]  ? lock_release+0x970/0x970
[  256.964351]  ? arch_local_save_flags+0x40/0x40
[  256.968949]  ? __might_sleep+0x95/0x190
[  256.972938]  __alloc_pages_nodemask+0xa80/0xde0
[  256.977970]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.982997]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.988828]  ? kasan_check_read+0x11/0x20
[  256.992991]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.998289]  ? graph_lock+0x170/0x170
[  257.002098]  ? print_usage_bug+0xc0/0xc0
[  257.006166]  ? graph_lock+0x170/0x170
[  257.009977]  ? graph_lock+0x170/0x170
[  257.013791]  ? __do_page_cache_readahead+0x7ce/0x980
[  257.018922]  ? find_held_lock+0x36/0x1c0
[  257.022993]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  257.028547]  alloc_pages_current+0x10c/0x210
[  257.032958]  ? lock_downgrade+0x900/0x900
[  257.037119]  __page_cache_alloc+0x38f/0x5b0
[  257.041446]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  257.047253]  ? kasan_check_read+0x11/0x20
[  257.051412]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.056695]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  257.061377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.066929]  ? check_preemption_disabled+0x48/0x200
[  257.071961]  filemap_fault+0x1594/0x25f0
[  257.076483]  ? __lock_page_or_retry+0xa00/0xa00
[  257.081155]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  257.086967]  ? kasan_check_read+0x11/0x20
[  257.091129]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.096411]  ? rcu_bh_qs+0xc0/0xc0
[  257.099973]  ? filemap_map_pages+0xdea/0x1980
[  257.104482]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.109609]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  257.114896]  ? debug_object_free+0x325/0x690
[  257.119314]  ? find_get_pages_range_tag+0x1320/0x1320
[  257.124523]  ? graph_lock+0x170/0x170
[  257.128336]  ? kasan_check_read+0x11/0x20
[  257.132498]  ? debug_object_destroy+0x2b0/0x2b0
[  257.137186]  ? lock_acquire+0x1ed/0x520
[  257.141170]  ? ext4_filemap_fault+0x7a/0xad
[  257.145501]  ? lock_release+0x970/0x970
[  257.149484]  ? arch_local_save_flags+0x40/0x40
[  257.154075]  ? futex_wait_setup+0x3e0/0x3e0
[  257.158417]  ? down_read+0xb0/0x1d0
[  257.162045]  ? ext4_filemap_fault+0x7a/0xad
[  257.166461]  ? __down_interruptible+0x700/0x700
[  257.171159]  ext4_filemap_fault+0x82/0xad
[  257.175316]  __do_fault+0x100/0x6b0
[  257.178953]  ? print_bad_pte+0x6c0/0x6c0
[  257.183021]  ? do_futex+0x249/0x26d0
[  257.186743]  ? pmd_val+0x88/0x100
[  257.190199]  ? add_mm_counter_fast+0xd0/0xd0
[  257.194612]  ? pmd_val+0x88/0x100
[  257.198065]  ? add_mm_counter_fast+0xd0/0xd0
[  257.202488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.208254]  __handle_mm_fault+0x3709/0x53e0
[  257.212676]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  257.217526]  ? graph_lock+0x170/0x170
[  257.221332]  ? print_usage_bug+0xc0/0xc0
[  257.225402]  ? graph_lock+0x170/0x170
[  257.229205]  ? graph_lock+0x170/0x170
[  257.233033]  ? handle_mm_fault+0x42a/0xc70
[  257.237278]  ? lock_downgrade+0x900/0x900
[  257.241436]  ? check_preemption_disabled+0x48/0x200
[  257.246468]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  257.252269]  ? kasan_check_read+0x11/0x20
[  257.256427]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.261710]  ? rcu_bh_qs+0xc0/0xc0
[  257.265254]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.270711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.276255]  ? check_preemption_disabled+0x48/0x200
[  257.281281]  handle_mm_fault+0x54f/0xc70
[  257.285350]  ? __handle_mm_fault+0x53e0/0x53e0
[  257.289970]  ? find_vma+0x34/0x190
[  257.293515]  __do_page_fault+0x67d/0xed0
[  257.297585]  ? mm_fault_error+0x380/0x380
[  257.301735]  ? trace_hardirqs_off+0xb8/0x300
[  257.306142]  ? trace_hardirqs_on+0x310/0x310
[  257.310562]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.315932]  ? trace_hardirqs_on+0x310/0x310
[  257.320347]  do_page_fault+0xf2/0x7e0
[  257.324149]  ? vmalloc_sync_all+0x30/0x30
[  257.328302]  ? error_entry+0x70/0xd0
[  257.332020]  ? trace_hardirqs_off_caller+0xbb/0x300
[  257.337034]  ? trace_hardirqs_on_caller+0xc0/0x300
[  257.341968]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.346902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.351749]  ? trace_hardirqs_off+0x300/0x300
[  257.356257]  ? trace_hardirqs_off_caller+0x300/0x300
[  257.361370]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.366390]  ? page_fault+0x8/0x30
[  257.369936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.374793]  ? page_fault+0x8/0x30
[  257.378343]  page_fault+0x1e/0x30
[  257.381806] RIP: 0033:0x40f9c0
[  257.385005] Code: Bad RIP value.
[  257.388364] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  257.393729] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  257.400998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  257.408273] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  257.415543] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  257.422818] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  257.430118] warn_alloc_show_mem: 1 callbacks suppressed
[  257.430130] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  257.430132] Mem-Info:
[  257.430163] active_anon:52539 inactive_anon:923 isolated_anon:0
[  257.430163]  active_file:16 inactive_file:19 isolated_file:0
[  257.430163]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.430163]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  257.430163]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  257.430163]  free:13650 free_pcp:205 free_cma:0
[  257.435502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.435512] Call Trace:
[  257.442811] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.445205]  <IRQ>
[  257.478166] Node 0 
[  257.487537]  dump_stack+0x1c4/0x2b4
[  257.490122] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  257.517870]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.519996] lowmem_reserve[]:
[  257.522240]  warn_alloc.cold.118+0xb7/0x1bd
[  257.525833]  0
[  257.551347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.556508]  2817
[  257.559610]  ? lock_downgrade+0x900/0x900
[  257.563900]  6321
[  257.565704]  ? trace_hardirqs_off+0xb8/0x300
[  257.570506]  6321
[  257.572575]  ? trace_hardirqs_off+0xb8/0x300
[  257.576693] Node 0 
[  257.578761]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.583176] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.585232]  ? warn_alloc+0x120/0x120
[  257.589587] lowmem_reserve[]:
[  257.591832]  ? trace_hardirqs_on+0x310/0x310
[  257.596649]  0
[  257.623635]  ? warn_alloc+0x120/0x120
[  257.627409]  0 3503
[  257.630523]  ? print_usage_bug+0xc0/0xc0
[  257.634900]  3503
[  257.636700]  ? warn_alloc+0x120/0x120
[  257.640472] Node 0 
[  257.642701]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  257.642718]  ? print_usage_bug+0xc0/0xc0
[  257.646788] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  257.648825]  ? __lock_acquire+0x7ec/0x4ec0
[  257.652590] lowmem_reserve[]: 0
[  257.654833]  ? __lock_acquire+0x7ec/0x4ec0
[  257.659829]  0
[  257.663889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.692235]  0 0
[  257.696492]  ? should_fail+0x22d/0xd01
[  257.699740] Node 0 
[  257.703970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.705742] DMA: 
[  257.711273]  ? __lock_acquire+0x7ec/0x4ec0
[  257.713221] 1*4kB 
[  257.717103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.719304] (U) 0*8kB 
[  257.724405]  ? __lock_acquire+0x7ec/0x4ec0
[  257.724423]  ? should_fail+0x22d/0xd01
[  257.726465] 0*16kB 
[  257.730693]  ? print_usage_bug+0xc0/0xc0
[  257.730716]  ? mark_held_locks+0x130/0x130
[  257.732838] 1*32kB 
[  257.737937]  ? mark_held_locks+0x130/0x130
[  257.740409] (U) 
[  257.744645]  ? graph_lock+0x170/0x170
[  257.748499] 2*64kB 
[  257.750733]  ? print_usage_bug+0xc0/0xc0
[  257.754768] (U) 
[  257.758999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.759018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.761233] 1*128kB 
[  257.765478]  ? check_preemption_disabled+0x48/0x200
[  257.767425] (U) 
[  257.771218]  ? check_preemption_disabled+0x48/0x200
[  257.771243]  ? __lock_is_held+0xb5/0x140
[  257.773448] 1*256kB 
[  257.777505]  __alloc_pages_nodemask+0xa80/0xde0
[  257.779454] (U) 
[  257.784210]  ? graph_lock+0x170/0x170
[  257.789716] 0*512kB 1*1024kB 
[  257.792043]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.797028] (U) 
[  257.798999]  ? graph_lock+0x170/0x170
[  257.803988] 1*2048kB (M) 
[  257.808059]  ? find_held_lock+0x36/0x1c0
[  257.810349] 3*4096kB 
[  257.815017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.816961] (M) 
[  257.820753]  ? lock_downgrade+0x900/0x900
[  257.823833] = 15908kB
[  257.828846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.830798] Node 0 
[  257.834597]  cache_grow_begin+0x91/0x8c0
[  257.837331] DMA32: 
[  257.841394]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.843772] 2*4kB 
[  257.848452]  fallback_alloc+0x203/0x2e0
[  257.850393] (M) 
[  257.854538]  ____cache_alloc_node+0x1c7/0x1e0
[  257.856923] 1*8kB 
[  257.862462]  kmem_cache_alloc_node+0xe3/0x730
[  257.864670] (U) 
[  257.868731]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.870935] 4*16kB 
[  257.875347]  __alloc_skb+0x119/0x770
[  257.877465] (UM) 
[  257.881436]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.883400] 2*32kB 
[  257.887890]  ? skb_scrub_packet+0x490/0x490
[  257.890013] (UM) 
[  257.894503]  ? lock_downgrade+0x900/0x900
[  257.896452] 3*64kB 
[  257.900691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.902890] (UM) 
[  257.906599]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.908631] 4*128kB 
[  257.913906]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.916113] (UM) 
[  257.920433]  ? addrconf_rs_timer+0x6f0/0x6f0
[  257.922470] 2*256kB 
[  257.926619]  ndisc_alloc_skb+0x144/0x340
[  257.928821] (M) 
[  257.934356]  ndisc_send_rs+0x331/0x6e0
[  257.936389] 4*512kB 
[  257.941843]  addrconf_rs_timer+0x3c0/0x6f0
[  257.944136] (UM) 
[  257.949587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.951621] 3*1024kB 
[  257.956033]  call_timer_fn+0x272/0x920
[  257.958317] (M) 
[  257.962375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.964324] 1*2048kB 
[  257.968206]  ? process_timeout+0x40/0x40
[  257.970499] (M) 
[  257.974726]  ? find_held_lock+0x36/0x1c0
[  257.974750]  ? __run_timers+0x7da/0xc70
[  257.976792] 4*4096kB 
[  257.981024]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.983404] (M) 
[  257.987289]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.989230] = 24912kB
[  257.989238] Node 0 
[  257.993468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.995848] Normal: 2389*4kB 
[  257.999911]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  258.001858] (UME) 
[  258.005912]  ? trace_hardirqs_on+0xbd/0x310
[  258.009851] 378*8kB (UME) 
[  258.012266]  ? kasan_check_read+0x11/0x20
[  258.016732] 73*16kB 
[  258.018706]  ? __run_timers+0x7da/0xc70
[  258.023164] (UM) 1*32kB 
[  258.025591]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.027819] (U) 
[  258.032047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.035127] 0*64kB 
[  258.039704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.041833] 0*128kB 
[  258.046151]  __run_timers+0x7e5/0xc70
[  258.048966] 0*256kB 
[  258.053116]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.055404] 0*512kB 
[  258.059366]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.059383]  ? rcu_bh_qs+0xc0/0xc0
[  258.062029] 0*1024kB 
[  258.067477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.069422] 0*2048kB 
[  258.073651]  ? check_preemption_disabled+0x48/0x200
[  258.075869] 0*4096kB 
[  258.080106]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.082395] = 13780kB
[  258.086201]  ? retint_kernel+0x2d/0x2d
[  258.088503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.093852]  ? trace_hardirqs_on_caller+0xc0/0x300
[  258.096154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.101422]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.104935] 4510 total pagecache pages
[  258.107355]  ? trace_hardirqs_off_caller+0x300/0x300
[  258.112871] 0 pages in swap cache
[  258.115274]  ? check_preemption_disabled+0x48/0x200
[  258.120346] Swap cache stats: add 0, delete 0, find 0/0
[  258.120354] Free swap  = 0kB
[  258.122756]  ? graph_lock+0x170/0x170
[  258.127481] Total swap = 0kB
[  258.127489] 1965979 pages RAM
[  258.129913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.133770] 0 pages HighMem/MovableOnly
[  258.142612]  ? check_preemption_disabled+0x48/0x200
[  258.147511] 342744 pages reserved
[  258.156440]  ? __lock_is_held+0xb5/0x140
[  258.161515] 0 pages cma reserved
[  258.165400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.170557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.173920]  ? check_preemption_disabled+0x48/0x200
[  258.173944]  run_timer_softirq+0x52/0xb0
[  258.173962]  ? rcu_read_lock_sched_held+0x108/0x120
[  258.179029] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.184321]  __do_softirq+0x30b/0xad8
[  258.187322] syz-fuzzer cpuset=
[  258.191138]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.194121] /
[  258.197252]  ? pvclock_read_flags+0x160/0x160
[  258.202767]  mems_allowed=0
[  258.206743]  ? lapic_next_event+0x5a/0x90
[  258.284111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.289660]  ? check_preemption_disabled+0x48/0x200
[  258.294676]  ? check_preemption_disabled+0x48/0x200
[  258.299699]  ? kvm_clock_read+0x18/0x30
[  258.303676]  ? kvm_sched_clock_read+0x9/0x20
[  258.308087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.313627]  ? check_preemption_disabled+0x48/0x200
[  258.318661]  irq_exit+0x17f/0x1c0
[  258.322118]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.326964]  ? smp_reschedule_interrupt+0x109/0x650
[  258.331981]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.337864]  ? interrupt_entry+0xb5/0xf0
[  258.341931]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.346946]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.351968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.356818]  ? trace_hardirqs_off+0x300/0x300
[  258.361320]  ? trace_hardirqs_off+0x300/0x300
[  258.365822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.371369]  ? check_preemption_disabled+0x48/0x200
[  258.376390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.381943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.386810]  apic_timer_interrupt+0xf/0x20
[  258.391043]  </IRQ>
[  258.393287] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.398234] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  258.417141] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  258.424859] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  258.432130] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  258.439402] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  258.446673] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  258.453950] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  258.461268]  skb_clone+0x1bb/0x500
[  258.464823]  ? finish_task_switch+0x2f5/0x900
[  258.469330]  ? skb_split+0x11e0/0x11e0
[  258.473220]  ? preempt_notifier_register+0x200/0x200
[  258.478332]  ? __switch_to_asm+0x34/0x70
[  258.482399]  ? __switch_to_asm+0x34/0x70
[  258.486462]  ? __switch_to_asm+0x40/0x70
[  258.490523]  ? __switch_to_asm+0x34/0x70
[  258.494588]  ? __switch_to_asm+0x40/0x70
[  258.498651]  ? __switch_to_asm+0x34/0x70
[  258.502711]  ? __switch_to_asm+0x40/0x70
[  258.506770]  ? __switch_to_asm+0x34/0x70
[  258.510842]  ? __switch_to_asm+0x34/0x70
[  258.514904]  ? __switch_to_asm+0x40/0x70
[  258.518963]  ? __switch_to_asm+0x34/0x70
[  258.523035]  bpf_clone_redirect+0xb9/0x490
[  258.527271]  ? __schedule+0x874/0x1ed0
[  258.531167]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  258.536189]  ? __sched_text_start+0x8/0x8
[  258.540342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.545110]  ? find_held_lock+0x36/0x1c0
[  258.549179]  ? lock_acquire+0x1ed/0x520
[  258.553153]  ? bpf_test_run+0x32e/0x5a0
[  258.557127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.562665]  ? check_preemption_disabled+0x48/0x200
[  258.567717]  ? kasan_check_read+0x11/0x20
[  258.571872]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.577154]  ? rcu_bh_qs+0xc0/0xc0
[  258.580696]  ? preempt_schedule+0x4d/0x60
[  258.584848]  ? ___preempt_schedule+0x16/0x18
[  258.589266]  ? bpf_test_run+0x1c0/0x5a0
[  258.593253]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.597682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.603221]  ? bpf_test_init.isra.9+0x70/0x100
[  258.607824]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.612604]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.617445]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.622983]  ? fput+0x130/0x1a0
[  258.626264]  ? __bpf_prog_get+0x9b/0x290
[  258.630354]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.635198]  ? bpf_prog_test_run+0x130/0x1a0
[  258.639612]  ? __x64_sys_bpf+0x3d8/0x510
[  258.643679]  ? bpf_prog_get+0x20/0x20
[  258.647491]  ? ksys_ioctl+0x81/0xd0
[  258.651129]  ? do_syscall_64+0x1b9/0x820
[  258.655194]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.660564]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.665515]  ? trace_hardirqs_off+0x300/0x300
[  258.670013]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.675028]  ? recalc_sigpending_tsk+0x180/0x180
[  258.679795]  ? kasan_check_write+0x14/0x20
[  258.684041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.688898]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.694285] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  258.694364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.701211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.701220] Call Trace:
[  258.707823] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.717042]  <IRQ>
[  258.719615] syz-executor2 cpuset=
[  258.730097]  dump_stack+0x1c4/0x2b4
[  258.732219] syz2
[  258.735669]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.739276]  mems_allowed=0
[  258.741252]  warn_alloc.cold.118+0xb7/0x1bd
[  258.753641]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.758492]  ? lock_downgrade+0x900/0x900
[  258.762651]  ? trace_hardirqs_off+0xb8/0x300
[  258.767065]  ? trace_hardirqs_off+0xb8/0x300
[  258.771485]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.776361]  ? warn_alloc+0x120/0x120
[  258.780169]  ? warn_alloc+0x120/0x120
[  258.783972]  ? print_usage_bug+0xc0/0xc0
[  258.788036]  ? warn_alloc+0x120/0x120
[  258.791842]  ? print_usage_bug+0xc0/0xc0
[  258.795905]  ? __lock_acquire+0x7ec/0x4ec0
[  258.800140]  ? __lock_acquire+0x7ec/0x4ec0
[  258.804382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.809921]  ? should_fail+0x22d/0xd01
[  258.813822]  ? __lock_acquire+0x7ec/0x4ec0
[  258.818061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.823166]  ? __lock_acquire+0x7ec/0x4ec0
[  258.827404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.832510]  ? __lock_acquire+0x7ec/0x4ec0
[  258.836748]  ? should_fail+0x22d/0xd01
[  258.840654]  ? mark_held_locks+0x130/0x130
[  258.844894]  ? mark_held_locks+0x130/0x130
[  258.849130]  ? graph_lock+0x170/0x170
[  258.852932]  ? graph_lock+0x170/0x170
[  258.856734]  ? graph_lock+0x170/0x170
[  258.860534]  ? print_usage_bug+0xc0/0xc0
[  258.864600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.870142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.875692]  ? check_preemption_disabled+0x48/0x200
[  258.880712]  ? check_preemption_disabled+0x48/0x200
[  258.885741]  ? __lock_is_held+0xb5/0x140
[  258.889820]  __alloc_pages_nodemask+0xa80/0xde0
[  258.894495]  ? graph_lock+0x170/0x170
[  258.898297]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.903310]  ? graph_lock+0x170/0x170
[  258.907121]  ? find_held_lock+0x36/0x1c0
[  258.911195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.915865]  ? lock_downgrade+0x900/0x900
[  258.920020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.925561]  cache_grow_begin+0x91/0x8c0
[  258.929622]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.934041]  fallback_alloc+0x203/0x2e0
[  258.938024]  ____cache_alloc_node+0x1c7/0x1e0
[  258.942533]  kmem_cache_alloc_node+0xe3/0x730
[  258.947036]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.951284]  __alloc_skb+0x119/0x770
[  258.955004]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.960286]  ? skb_scrub_packet+0x490/0x490
[  258.964607]  ? lock_downgrade+0x900/0x900
[  258.968775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.974347]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.979833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.985292]  ? addrconf_rs_timer+0x6f0/0x6f0
[  258.989718]  ndisc_alloc_skb+0x144/0x340
[  258.993796]  ndisc_send_rs+0x331/0x6e0
[  258.997697]  addrconf_rs_timer+0x3c0/0x6f0
[  259.001939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.006191]  call_timer_fn+0x272/0x920
[  259.010077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.014327]  ? process_timeout+0x40/0x40
[  259.018385]  ? find_held_lock+0x36/0x1c0
[  259.022452]  ? mark_held_locks+0xc7/0x130
[  259.026604]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.031102]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.035597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.039835]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  259.044419]  ? trace_hardirqs_on+0xbd/0x310
[  259.048740]  ? kasan_check_read+0x11/0x20
[  259.052888]  ? __run_timers+0x7da/0xc70
[  259.056865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.062321]  ? tcp_compressed_ack_kick+0x220/0x220
[  259.067261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.071498]  __run_timers+0x7e5/0xc70
[  259.075792]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.081164]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.086191]  ? graph_lock+0x170/0x170
[  259.090002]  ? print_usage_bug+0xc0/0xc0
[  259.094061]  ? lock_release+0x970/0x970
[  259.098036]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  259.103239]  ? find_held_lock+0x36/0x1c0
[  259.107308]  ? graph_lock+0x170/0x170
[  259.111120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.116666]  ? check_preemption_disabled+0x48/0x200
[  259.121698]  ? __lock_is_held+0xb5/0x140
[  259.125765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.131323]  ? check_preemption_disabled+0x48/0x200
[  259.136352]  run_timer_softirq+0x52/0xb0
[  259.140415]  ? rcu_read_lock_sched_held+0x108/0x120
[  259.145484]  __do_softirq+0x30b/0xad8
[  259.149301]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.154415]  ? pvclock_read_flags+0x160/0x160
[  259.158912]  ? lapic_next_event+0x5a/0x90
[  259.163061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.168612]  ? check_preemption_disabled+0x48/0x200
[  259.173633]  ? check_preemption_disabled+0x48/0x200
[  259.178659]  ? kvm_clock_read+0x18/0x30
[  259.182643]  ? kvm_sched_clock_read+0x9/0x20
[  259.187061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.192606]  ? check_preemption_disabled+0x48/0x200
[  259.197648]  irq_exit+0x17f/0x1c0
[  259.201111]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.206130]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.212018]  ? interrupt_entry+0xb5/0xf0
[  259.216082]  ? trace_hardirqs_off_caller+0xbb/0x300
[  259.221114]  ? trace_hardirqs_off_caller+0xbb/0x300
[  259.226132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.230982]  ? trace_hardirqs_off+0x300/0x300
[  259.235480]  ? trace_hardirqs_off+0x300/0x300
[  259.239987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.245532]  ? check_preemption_disabled+0x48/0x200
[  259.250549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.256105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.260963]  apic_timer_interrupt+0xf/0x20
[  259.265192]  </IRQ>
[  259.267433] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  259.272713] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  259.292115] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  259.299842] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  259.307115] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  259.314384] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  259.321665] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  259.328936] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  259.336237]  ? arch_local_irq_restore+0x45/0x52
[  259.340935]  dump_stack+0x26a/0x2b4
[  259.344567]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.349769]  ? mark_held_locks+0x130/0x130
[  259.354021]  ? mark_held_locks+0x130/0x130
[  259.358262]  dump_header+0x27b/0xf72
[  259.361992]  ? pagefault_out_of_memory+0x197/0x197
[  259.366936]  ? mark_held_locks+0x130/0x130
[  259.371176]  ? __lock_acquire+0x7ec/0x4ec0
[  259.375416]  ? mem_cgroup_charge_statistics+0x780/0x780
[  259.380792]  ? print_usage_bug+0xc0/0xc0
[  259.384864]  ? print_usage_bug+0xc0/0xc0
[  259.388930]  ? graph_lock+0x170/0x170
[  259.392729]  ? graph_lock+0x170/0x170
[  259.396533]  ? print_usage_bug+0xc0/0xc0
[  259.400596]  ? print_usage_bug+0xc0/0xc0
[  259.404668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.410209]  ? find_held_lock+0x36/0x1c0
[  259.414279]  ? mark_held_locks+0xc7/0x130
[  259.418435]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.423549]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.428662]  ? lockdep_hardirqs_on+0x421/0x5c0
[  259.433254]  ? trace_hardirqs_on+0xbd/0x310
[  259.437579]  ? kasan_check_read+0x11/0x20
[  259.441731]  ? ___ratelimit+0x36f/0x655
[  259.445708]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.451164]  ? trace_hardirqs_on+0x310/0x310
[  259.455590]  ? lock_downgrade+0x900/0x900
[  259.459751]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.464866]  ? ___ratelimit+0xaa/0x655
[  259.468759]  ? idr_get_free+0xec0/0xec0
[  259.472750]  ? kasan_check_write+0x14/0x20
[  259.476998]  ? do_raw_spin_lock+0xc1/0x200
[  259.481242]  oom_kill_process.cold.27+0x10/0x903
[  259.486008]  ? graph_lock+0x170/0x170
[  259.489826]  ? _raw_spin_unlock+0x2c/0x50
[  259.493984]  ? oom_badness+0xe6/0xaa0
[  259.497812]  ? oom_evaluate_task+0x540/0x540
[  259.502230]  ? find_held_lock+0x36/0x1c0
[  259.506299]  ? out_of_memory+0x974/0x14c0
[  259.510450]  ? lock_downgrade+0x900/0x900
[  259.514602]  ? check_preemption_disabled+0x48/0x200
[  259.519628]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.525430]  ? kasan_check_read+0x11/0x20
[  259.529601]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.534883]  ? rcu_bh_qs+0xc0/0xc0
[  259.538426]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.543440]  ? oom_evaluate_task+0x302/0x540
[  259.547856]  out_of_memory+0xa86/0x14c0
[  259.551847]  ? oom_killer_disable+0x3a0/0x3a0
[  259.556348]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  259.561281]  ? __mutex_add_waiter+0x2a0/0x2a0
[  259.565800]  __alloc_pages_slowpath+0x2318/0x2d80
[  259.570696]  ? warn_alloc+0x120/0x120
[  259.574512]  ? find_get_entry+0x2f2/0xc40
[  259.578669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.584211]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  259.589148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.594690]  ? should_fail+0x22d/0xd01
[  259.598589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.603693]  ? __lock_is_held+0xb5/0x140
[  259.607791]  ? __lock_is_held+0xb5/0x140
[  259.611873]  ? find_held_lock+0x36/0x1c0
[  259.615944]  ? ___might_sleep+0x1ed/0x300
[  259.620088]  ? lock_release+0x970/0x970
[  259.624067]  ? arch_local_save_flags+0x40/0x40
[  259.628670]  ? __might_sleep+0x95/0x190
[  259.632658]  __alloc_pages_nodemask+0xa80/0xde0
[  259.637339]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.642371]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.648175]  ? kasan_check_read+0x11/0x20
[  259.652324]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.657607]  ? graph_lock+0x170/0x170
[  259.661413]  ? print_usage_bug+0xc0/0xc0
[  259.665481]  ? graph_lock+0x170/0x170
[  259.669282]  ? graph_lock+0x170/0x170
[  259.673085]  ? __do_page_cache_readahead+0x7ce/0x980
[  259.678202]  ? find_held_lock+0x36/0x1c0
[  259.682277]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.687841]  alloc_pages_current+0x10c/0x210
[  259.692257]  ? lock_downgrade+0x900/0x900
[  259.696412]  __page_cache_alloc+0x38f/0x5b0
[  259.700737]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.706558]  ? kasan_check_read+0x11/0x20
[  259.710707]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.715990]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  259.720663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.726209]  ? check_preemption_disabled+0x48/0x200
[  259.731236]  filemap_fault+0x1594/0x25f0
[  259.735314]  ? __lock_page_or_retry+0xa00/0xa00
[  259.739984]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.745791]  ? kasan_check_read+0x11/0x20
[  259.749950]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.755228]  ? rcu_bh_qs+0xc0/0xc0
[  259.758793]  ? filemap_map_pages+0xdea/0x1980
[  259.763304]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.768417]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  259.773693]  ? debug_object_free+0x325/0x690
[  259.778104]  ? find_get_pages_range_tag+0x1320/0x1320
[  259.783302]  ? graph_lock+0x170/0x170
[  259.787115]  ? kasan_check_read+0x11/0x20
[  259.791292]  ? debug_object_destroy+0x2b0/0x2b0
[  259.795970]  ? lock_acquire+0x1ed/0x520
[  259.800121]  ? ext4_filemap_fault+0x7a/0xad
[  259.804456]  ? lock_release+0x970/0x970
[  259.808432]  ? arch_local_save_flags+0x40/0x40
[  259.813019]  ? futex_wait_setup+0x3e0/0x3e0
[  259.817353]  ? down_read+0xb0/0x1d0
[  259.820978]  ? ext4_filemap_fault+0x7a/0xad
[  259.825298]  ? __down_interruptible+0x700/0x700
[  259.829985]  ext4_filemap_fault+0x82/0xad
[  259.834139]  __do_fault+0x100/0x6b0
[  259.837770]  ? print_bad_pte+0x6c0/0x6c0
[  259.841853]  ? do_futex+0x249/0x26d0
[  259.845574]  ? pmd_val+0x88/0x100
[  259.849029]  ? add_mm_counter_fast+0xd0/0xd0
[  259.853436]  ? pmd_val+0x88/0x100
[  259.856890]  ? add_mm_counter_fast+0xd0/0xd0
[  259.861313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.866862]  __handle_mm_fault+0x3709/0x53e0
[  259.871292]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  259.876177]  ? graph_lock+0x170/0x170
[  259.879982]  ? print_usage_bug+0xc0/0xc0
[  259.884045]  ? graph_lock+0x170/0x170
[  259.887848]  ? graph_lock+0x170/0x170
[  259.891670]  ? handle_mm_fault+0x42a/0xc70
[  259.895909]  ? lock_downgrade+0x900/0x900
[  259.900057]  ? check_preemption_disabled+0x48/0x200
[  259.905084]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.910882]  ? kasan_check_read+0x11/0x20
[  259.915034]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.920314]  ? rcu_bh_qs+0xc0/0xc0
[  259.923864]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.929315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.934859]  ? check_preemption_disabled+0x48/0x200
[  259.939888]  handle_mm_fault+0x54f/0xc70
[  259.943961]  ? __handle_mm_fault+0x53e0/0x53e0
[  259.948557]  ? find_vma+0x34/0x190
[  259.952105]  __do_page_fault+0x67d/0xed0
[  259.956178]  ? mm_fault_error+0x380/0x380
[  259.960324]  ? trace_hardirqs_off+0xb8/0x300
[  259.964735]  ? trace_hardirqs_on+0x310/0x310
[  259.969150]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.974516]  ? trace_hardirqs_on+0x310/0x310
[  259.978933]  do_page_fault+0xf2/0x7e0
[  259.982747]  ? vmalloc_sync_all+0x30/0x30
[  259.986901]  ? error_entry+0x70/0xd0
[  259.990622]  ? trace_hardirqs_off_caller+0xbb/0x300
[  259.995638]  ? trace_hardirqs_on_caller+0xc0/0x300
[  260.000570]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.005504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.010352]  ? trace_hardirqs_off+0x300/0x300
[  260.014846]  ? trace_hardirqs_off_caller+0x300/0x300
[  260.019964]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.024991]  ? page_fault+0x8/0x30
[  260.028539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.033393]  ? page_fault+0x8/0x30
[  260.036935]  page_fault+0x1e/0x30
[  260.040393] RIP: 0033:0x40f9c0
[  260.043592] Code: Bad RIP value.
[  260.046952] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  260.052320] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  260.059594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  260.066863] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  260.074130] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  260.081396] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  260.088701] warn_alloc_show_mem: 1 callbacks suppressed
[  260.088714] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  260.088716] Mem-Info:
[  260.088748] active_anon:52539 inactive_anon:923 isolated_anon:0
[  260.088748]  active_file:16 inactive_file:19 isolated_file:0
[  260.088748]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.088748]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  260.088748]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  260.088748]  free:13650 free_pcp:205 free_cma:0
[  260.094081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.094091] Call Trace:
[  260.101376] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.103774]  <IRQ>
[  260.136747] Node 0 
[  260.146116]  dump_stack+0x1c4/0x2b4
[  260.148702] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  260.176448]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.178572] lowmem_reserve[]:
[  260.180830]  warn_alloc.cold.118+0xb7/0x1bd
[  260.184423]  0
[  260.209936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.215102]  2817
[  260.218217]  ? lock_downgrade+0x900/0x900
[  260.222502]  6321 6321
[  260.224323]  ? trace_hardirqs_off+0xb8/0x300
[  260.229126] Node 0 
[  260.231192]  ? trace_hardirqs_off+0xb8/0x300
[  260.235339] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  260.237824]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.242198] lowmem_reserve[]: 0
[  260.244508]  ? warn_alloc+0x120/0x120
[  260.248864]  0
[  260.275871]  ? trace_hardirqs_on+0x310/0x310
[  260.281391]  3503
[  260.284674]  ? warn_alloc+0x120/0x120
[  260.288440]  3503
[  260.290255]  ? print_usage_bug+0xc0/0xc0
[  260.294632] Node 0 
[  260.296692]  ? warn_alloc+0x120/0x120
[  260.300491] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  260.302533]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  260.306559] lowmem_reserve[]: 0
[  260.308815]  ? print_usage_bug+0xc0/0xc0
[  260.312589]  0 0
[  260.340982]  ? __lock_acquire+0x7ec/0x4ec0
[  260.345973]  0
[  260.349258]  ? __lock_acquire+0x7ec/0x4ec0
[  260.353291] Node 0 
[  260.355276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.359478] DMA: 
[  260.361284]  ? should_fail+0x22d/0xd01
[  260.365492] 1*4kB 
[  260.367732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.373241] (U) 
[  260.375314]  ? __lock_acquire+0x7ec/0x4ec0
[  260.379159] 0*8kB 0*16kB 
[  260.381330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.386399] 1*32kB 
[  260.388374]  ? __lock_acquire+0x7ec/0x4ec0
[  260.388392]  ? should_fail+0x22d/0xd01
[  260.392607] (U) 
[  260.395364]  ? print_usage_bug+0xc0/0xc0
[  260.400436] 2*64kB (U) 
[  260.402688]  ? mark_held_locks+0x130/0x130
[  260.406884] 1*128kB (U) 
[  260.410793]  ? mark_held_locks+0x130/0x130
[  260.412739] 1*256kB 
[  260.416810]  ? graph_lock+0x170/0x170
[  260.419374] (U) 
[  260.423611]  ? print_usage_bug+0xc0/0xc0
[  260.426255] 0*512kB 
[  260.430489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.430511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.432821] 1*1024kB 
[  260.436629]  ? check_preemption_disabled+0x48/0x200
[  260.438571] (U) 
[  260.442634]  ? check_preemption_disabled+0x48/0x200
[  260.442662]  ? __lock_is_held+0xb5/0x140
[  260.444954] 1*2048kB 
[  260.449715]  __alloc_pages_nodemask+0xa80/0xde0
[  260.455227] (M) 
[  260.457639]  ? graph_lock+0x170/0x170
[  260.462628] 3*4096kB 
[  260.464606]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.469585] (M) = 15908kB
[  260.473654]  ? graph_lock+0x170/0x170
[  260.476038] Node 0 
[  260.480714]  ? find_held_lock+0x36/0x1c0
[  260.482660] DMA32: 
[  260.486468]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.488846] 2*4kB 
[  260.493866]  ? lock_downgrade+0x900/0x900
[  260.496594] (M) 
[  260.500401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.502603] 1*8kB 
[  260.506665]  cache_grow_begin+0x91/0x8c0
[  260.508870] (U) 
[  260.513557]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.515676] 4*16kB (UM) 
[  260.519838]  fallback_alloc+0x203/0x2e0
[  260.521776] 2*32kB (UM) 
[  260.527341]  ____cache_alloc_node+0x1c7/0x1e0
[  260.529460] 3*64kB 
[  260.533522]  kmem_cache_alloc_node+0xe3/0x730
[  260.535465] (UM) 
[  260.539871]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.542507] 4*128kB (UM) 
[  260.546499]  __alloc_skb+0x119/0x770
[  260.549133] 2*256kB (M) 
[  260.553644]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.555855] 4*512kB 
[  260.560356]  ? skb_scrub_packet+0x490/0x490
[  260.562388] (UM) 
[  260.566623]  ? lock_downgrade+0x900/0x900
[  260.569351] 3*1024kB 
[  260.573070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.575704] (M) 
[  260.580980]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.583272] 1*2048kB 
[  260.587592]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.589628] (M) 4*4096kB 
[  260.593797]  ? addrconf_rs_timer+0x6f0/0x6f0
[  260.596440] (M) 
[  260.601986]  ndisc_alloc_skb+0x144/0x340
[  260.603924] = 24912kB
[  260.609380]  ndisc_send_rs+0x331/0x6e0
[  260.611764] Node 0 
[  260.617226]  addrconf_rs_timer+0x3c0/0x6f0
[  260.619954] Normal: 
[  260.624367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.626312] 2389*4kB 
[  260.630381]  call_timer_fn+0x272/0x920
[  260.632751] (UME) 
[  260.636639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.638852] 378*8kB 
[  260.643089]  ? process_timeout+0x40/0x40
[  260.645383] (UME) 
[  260.649611]  ? find_held_lock+0x36/0x1c0
[  260.649637]  ? __run_timers+0x7da/0xc70
[  260.652016] 73*16kB 
[  260.655909]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.658021] (UM) 1*32kB 
[  260.662265]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.664558] (U) 
[  260.668616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.668633]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  260.670763] 0*64kB 
[  260.674835]  ? trace_hardirqs_on+0xbd/0x310
[  260.678780] 0*128kB 
[  260.681110]  ? kasan_check_read+0x11/0x20
[  260.685569] 0*256kB 0*512kB 
[  260.688253]  ? __run_timers+0x7da/0xc70
[  260.692710] 0*1024kB 0*2048kB 
[  260.694701]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.698903] 0*4096kB 
[  260.703491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.705716] = 13780kB
[  260.710037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.712358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.716499]  __run_timers+0x7e5/0xc70
[  260.719494] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.723467]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.726620] 4510 total pagecache pages
[  260.732071]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.732088]  ? rcu_bh_qs+0xc0/0xc0
[  260.734491] 0 pages in swap cache
[  260.738722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.741106] Swap cache stats: add 0, delete 0, find 0/0
[  260.745343]  ? check_preemption_disabled+0x48/0x200
[  260.754148] Free swap  = 0kB
[  260.754157] Total swap = 0kB
[  260.757968]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.766525] 1965979 pages RAM
[  260.771894]  ? retint_kernel+0x2d/0x2d
[  260.775748] 0 pages HighMem/MovableOnly
[  260.775756] 342744 pages reserved
[  260.781041]  ? trace_hardirqs_on_caller+0xc0/0x300
[  260.784546] 0 pages cma reserved
[  260.784624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.788010]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.793623] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.798877]  ? trace_hardirqs_off_caller+0x300/0x300
[  260.803872] syz-fuzzer cpuset=
[  260.806893]  ? check_preemption_disabled+0x48/0x200
[  260.809880] /
[  260.814641]  ? graph_lock+0x170/0x170
[  260.817727]  mems_allowed=0
[  260.821613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.885940]  ? check_preemption_disabled+0x48/0x200
[  260.890978]  ? __lock_is_held+0xb5/0x140
[  260.895048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.900603]  ? check_preemption_disabled+0x48/0x200
[  260.905637]  run_timer_softirq+0x52/0xb0
[  260.909709]  ? rcu_read_lock_sched_held+0x108/0x120
[  260.914737]  __do_softirq+0x30b/0xad8
[  260.918556]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.923669]  ? pvclock_read_flags+0x160/0x160
[  260.928168]  ? lapic_next_event+0x5a/0x90
[  260.932331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.937878]  ? check_preemption_disabled+0x48/0x200
[  260.942907]  ? check_preemption_disabled+0x48/0x200
[  260.947943]  ? kvm_clock_read+0x18/0x30
[  260.951928]  ? kvm_sched_clock_read+0x9/0x20
[  260.956357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.961908]  ? check_preemption_disabled+0x48/0x200
[  260.966952]  irq_exit+0x17f/0x1c0
[  260.970418]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.975269]  ? smp_reschedule_interrupt+0x109/0x650
[  260.980300]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.986201]  ? interrupt_entry+0xb5/0xf0
[  260.990279]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.995317]  ? trace_hardirqs_off_caller+0xbb/0x300
[  261.000347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.005205]  ? trace_hardirqs_off+0x300/0x300
[  261.009710]  ? trace_hardirqs_off+0x300/0x300
[  261.014220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.019775]  ? check_preemption_disabled+0x48/0x200
[  261.024816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.030376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.035243]  apic_timer_interrupt+0xf/0x20
[  261.039480]  </IRQ>
[  261.041736] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  261.046672] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  261.065583] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  261.073540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  261.080821] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  261.088271] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  261.095553] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  261.102828] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  261.110151]  skb_clone+0x1bb/0x500
[  261.113705]  ? finish_task_switch+0x2f5/0x900
[  261.118207]  ? skb_split+0x11e0/0x11e0
[  261.122107]  ? preempt_notifier_register+0x200/0x200
[  261.127215]  ? __switch_to_asm+0x34/0x70
[  261.131285]  ? __switch_to_asm+0x34/0x70
[  261.135360]  ? __switch_to_asm+0x40/0x70
[  261.139424]  ? __switch_to_asm+0x34/0x70
[  261.143497]  ? __switch_to_asm+0x40/0x70
[  261.147565]  ? __switch_to_asm+0x34/0x70
[  261.151632]  ? __switch_to_asm+0x40/0x70
[  261.155716]  ? __switch_to_asm+0x34/0x70
[  261.159799]  ? __switch_to_asm+0x34/0x70
[  261.163873]  ? __switch_to_asm+0x40/0x70
[  261.167945]  ? __switch_to_asm+0x34/0x70
[  261.172035]  bpf_clone_redirect+0xb9/0x490
[  261.176279]  ? __schedule+0x874/0x1ed0
[  261.180190]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  261.185217]  ? __sched_text_start+0x8/0x8
[  261.189374]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.194151]  ? find_held_lock+0x36/0x1c0
[  261.198232]  ? lock_acquire+0x1ed/0x520
[  261.202216]  ? bpf_test_run+0x32e/0x5a0
[  261.206682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.212239]  ? check_preemption_disabled+0x48/0x200
[  261.217273]  ? kasan_check_read+0x11/0x20
[  261.221448]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.226740]  ? rcu_bh_qs+0xc0/0xc0
[  261.230300]  ? preempt_schedule+0x4d/0x60
[  261.234464]  ? ___preempt_schedule+0x16/0x18
[  261.238903]  ? bpf_test_run+0x1c0/0x5a0
[  261.242910]  ? netlink_diag_dump+0x2a0/0x2a0
[  261.247344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.252889]  ? bpf_test_init.isra.9+0x70/0x100
[  261.257491]  ? bpf_prog_test_run_skb+0x634/0xb40
[  261.262260]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  261.267111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.272650]  ? fput+0x130/0x1a0
[  261.275935]  ? __bpf_prog_get+0x9b/0x290
[  261.280001]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  261.284856]  ? bpf_prog_test_run+0x130/0x1a0
[  261.289276]  ? __x64_sys_bpf+0x3d8/0x510
[  261.293344]  ? bpf_prog_get+0x20/0x20
[  261.297174]  ? ksys_ioctl+0x81/0xd0
[  261.300823]  ? do_syscall_64+0x1b9/0x820
[  261.304894]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  261.310267]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.315205]  ? trace_hardirqs_off+0x300/0x300
[  261.319706]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  261.324725]  ? recalc_sigpending_tsk+0x180/0x180
[  261.329489]  ? kasan_check_write+0x14/0x20
[  261.333739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.338597]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  261.343989] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  261.344060] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.350928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.350940] Call Trace:
[  261.357736] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.366803]  <IRQ>
[  261.366832]  dump_stack+0x1c4/0x2b4
[  261.369578] syz-executor2 cpuset=
[  261.380067]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.380095]  warn_alloc.cold.118+0xb7/0x1bd
[  261.382412] syz2
[  261.385979]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.385998]  ? lock_downgrade+0x900/0x900
[  261.386021]  ? trace_hardirqs_off+0xb8/0x300
[  261.386043]  ? trace_hardirqs_off+0xb8/0x300
[  261.389610]  mems_allowed=0
[  261.394814]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.426690]  ? warn_alloc+0x120/0x120
[  261.430507]  ? trace_hardirqs_on+0x310/0x310
[  261.434926]  ? warn_alloc+0x120/0x120
[  261.438743]  ? print_usage_bug+0xc0/0xc0
[  261.442823]  ? warn_alloc+0x120/0x120
[  261.446631]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.451653]  ? print_usage_bug+0xc0/0xc0
[  261.455729]  ? __lock_acquire+0x7ec/0x4ec0
[  261.459973]  ? __lock_acquire+0x7ec/0x4ec0
[  261.464217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.469768]  ? should_fail+0x22d/0xd01
[  261.473673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.478803]  ? __lock_acquire+0x7ec/0x4ec0
[  261.483103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.488212]  ? __lock_acquire+0x7ec/0x4ec0
[  261.492450]  ? should_fail+0x22d/0xd01
[  261.496341]  ? print_usage_bug+0xc0/0xc0
[  261.500419]  ? mark_held_locks+0x130/0x130
[  261.504664]  ? mark_held_locks+0x130/0x130
[  261.508911]  ? graph_lock+0x170/0x170
[  261.512715]  ? print_usage_bug+0xc0/0xc0
[  261.516778]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.521559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.527105]  ? check_preemption_disabled+0x48/0x200
[  261.532133]  ? check_preemption_disabled+0x48/0x200
[  261.537174]  ? __lock_is_held+0xb5/0x140
[  261.541247]  __alloc_pages_nodemask+0xa80/0xde0
[  261.545926]  ? graph_lock+0x170/0x170
[  261.549738]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.554764]  ? graph_lock+0x170/0x170
[  261.558593]  ? find_held_lock+0x36/0x1c0
[  261.562673]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.567346]  ? lock_downgrade+0x900/0x900
[  261.571511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.577071]  cache_grow_begin+0x91/0x8c0
[  261.581136]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.585558]  fallback_alloc+0x203/0x2e0
[  261.589543]  ____cache_alloc_node+0x1c7/0x1e0
[  261.594046]  kmem_cache_alloc_node+0xe3/0x730
[  261.598546]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.602812]  __alloc_skb+0x119/0x770
[  261.606547]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.611841]  ? skb_scrub_packet+0x490/0x490
[  261.616170]  ? lock_downgrade+0x900/0x900
[  261.620333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.625880]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.631348]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.636826]  ? addrconf_rs_timer+0x6f0/0x6f0
[  261.641254]  ndisc_alloc_skb+0x144/0x340
[  261.645325]  ndisc_send_rs+0x331/0x6e0
[  261.649227]  addrconf_rs_timer+0x3c0/0x6f0
[  261.653473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.657724]  call_timer_fn+0x272/0x920
[  261.661617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.665857]  ? process_timeout+0x40/0x40
[  261.669987]  ? find_held_lock+0x36/0x1c0
[  261.674064]  ? mark_held_locks+0xc7/0x130
[  261.678215]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.682714]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.687214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.691457]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  261.696049]  ? trace_hardirqs_on+0xbd/0x310
[  261.700374]  ? kasan_check_read+0x11/0x20
[  261.704529]  ? __run_timers+0x7da/0xc70
[  261.708504]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.713967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.718213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.722453]  __run_timers+0x7e5/0xc70
[  261.726270]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.731646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.736667]  ? graph_lock+0x170/0x170
[  261.740476]  ? print_usage_bug+0xc0/0xc0
[  261.744547]  ? lock_release+0x970/0x970
[  261.748540]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.753745]  ? find_held_lock+0x36/0x1c0
[  261.757826]  ? graph_lock+0x170/0x170
[  261.761637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.767188]  ? check_preemption_disabled+0x48/0x200
[  261.772226]  ? __lock_is_held+0xb5/0x140
[  261.776298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.781849]  ? check_preemption_disabled+0x48/0x200
[  261.786879]  run_timer_softirq+0x52/0xb0
[  261.790949]  ? rcu_read_lock_sched_held+0x108/0x120
[  261.795978]  __do_softirq+0x30b/0xad8
[  261.799801]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.804925]  ? pvclock_read_flags+0x160/0x160
[  261.809421]  ? lapic_next_event+0x5a/0x90
[  261.813578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.819125]  ? check_preemption_disabled+0x48/0x200
[  261.824147]  ? check_preemption_disabled+0x48/0x200
[  261.829180]  ? kvm_clock_read+0x18/0x30
[  261.833158]  ? kvm_sched_clock_read+0x9/0x20
[  261.837570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.843118]  ? check_preemption_disabled+0x48/0x200
[  261.848153]  irq_exit+0x17f/0x1c0
[  261.851611]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.856459]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.862350]  ? interrupt_entry+0xb5/0xf0
[  261.866419]  ? trace_hardirqs_off_caller+0xbb/0x300
[  261.871436]  ? trace_hardirqs_off_caller+0xbb/0x300
[  261.876459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.881311]  ? trace_hardirqs_off+0x300/0x300
[  261.885838]  ? trace_hardirqs_off+0x300/0x300
[  261.890343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.895890]  ? check_preemption_disabled+0x48/0x200
[  261.900908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.906465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.911321]  apic_timer_interrupt+0xf/0x20
[  261.915554]  </IRQ>
[  261.917801] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  261.923085] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  261.941996] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  261.949720] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  261.956997] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  261.964272] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  261.971551] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  261.978835] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  261.986140]  ? arch_local_irq_restore+0x45/0x52
[  261.990834]  dump_stack+0x26a/0x2b4
[  261.994478]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.999682]  ? mark_held_locks+0x130/0x130
[  262.003922]  ? mark_held_locks+0x130/0x130
[  262.008167]  dump_header+0x27b/0xf72
[  262.011897]  ? pagefault_out_of_memory+0x197/0x197
[  262.016840]  ? mark_held_locks+0x130/0x130
[  262.021077]  ? __lock_acquire+0x7ec/0x4ec0
[  262.025312]  ? mem_cgroup_charge_statistics+0x780/0x780
[  262.030684]  ? print_usage_bug+0xc0/0xc0
[  262.034748]  ? print_usage_bug+0xc0/0xc0
[  262.038837]  ? graph_lock+0x170/0x170
[  262.042635]  ? graph_lock+0x170/0x170
[  262.046442]  ? print_usage_bug+0xc0/0xc0
[  262.050503]  ? print_usage_bug+0xc0/0xc0
[  262.054584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.060139]  ? find_held_lock+0x36/0x1c0
[  262.064213]  ? mark_held_locks+0xc7/0x130
[  262.068372]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.073477]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.078592]  ? lockdep_hardirqs_on+0x421/0x5c0
[  262.083177]  ? trace_hardirqs_on+0xbd/0x310
[  262.087506]  ? kasan_check_read+0x11/0x20
[  262.091659]  ? ___ratelimit+0x36f/0x655
[  262.095640]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.101098]  ? trace_hardirqs_on+0x310/0x310
[  262.105513]  ? lock_downgrade+0x900/0x900
[  262.109679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.114798]  ? ___ratelimit+0xaa/0x655
[  262.118701]  ? idr_get_free+0xec0/0xec0
[  262.122685]  ? kasan_check_write+0x14/0x20
[  262.126924]  ? do_raw_spin_lock+0xc1/0x200
[  262.131191]  oom_kill_process.cold.27+0x10/0x903
[  262.135951]  ? graph_lock+0x170/0x170
[  262.139758]  ? _raw_spin_unlock+0x2c/0x50
[  262.143923]  ? oom_badness+0xe6/0xaa0
[  262.147743]  ? oom_evaluate_task+0x540/0x540
[  262.152179]  ? find_held_lock+0x36/0x1c0
[  262.156261]  ? out_of_memory+0x974/0x14c0
[  262.160412]  ? lock_downgrade+0x900/0x900
[  262.164571]  ? check_preemption_disabled+0x48/0x200
[  262.169597]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.175409]  ? kasan_check_read+0x11/0x20
[  262.179567]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.184851]  ? rcu_bh_qs+0xc0/0xc0
[  262.188406]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.193421]  ? oom_evaluate_task+0x302/0x540
[  262.197874]  out_of_memory+0xa86/0x14c0
[  262.201862]  ? oom_killer_disable+0x3a0/0x3a0
[  262.206366]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  262.211308]  ? __mutex_add_waiter+0x2a0/0x2a0
[  262.215831]  __alloc_pages_slowpath+0x2318/0x2d80
[  262.220711]  ? warn_alloc+0x120/0x120
[  262.224530]  ? find_get_entry+0x2f2/0xc40
[  262.228694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.234243]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  262.239181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.244726]  ? should_fail+0x22d/0xd01
[  262.248716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.253833]  ? __lock_is_held+0xb5/0x140
[  262.257929]  ? __lock_is_held+0xb5/0x140
[  262.262007]  ? find_held_lock+0x36/0x1c0
[  262.266082]  ? ___might_sleep+0x1ed/0x300
[  262.270233]  ? lock_release+0x970/0x970
[  262.274215]  ? arch_local_save_flags+0x40/0x40
[  262.278831]  ? __might_sleep+0x95/0x190
[  262.282834]  __alloc_pages_nodemask+0xa80/0xde0
[  262.287521]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  262.292545]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.298360]  ? kasan_check_read+0x11/0x20
[  262.302525]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.307834]  ? graph_lock+0x170/0x170
[  262.311638]  ? print_usage_bug+0xc0/0xc0
[  262.315705]  ? graph_lock+0x170/0x170
[  262.319502]  ? graph_lock+0x170/0x170
[  262.323305]  ? __do_page_cache_readahead+0x7ce/0x980
[  262.328423]  ? find_held_lock+0x36/0x1c0
[  262.332495]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  262.338049]  alloc_pages_current+0x10c/0x210
[  262.342470]  ? lock_downgrade+0x900/0x900
[  262.346627]  __page_cache_alloc+0x38f/0x5b0
[  262.350958]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.356765]  ? kasan_check_read+0x11/0x20
[  262.360934]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.366220]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  262.370897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.376441]  ? check_preemption_disabled+0x48/0x200
[  262.381473]  filemap_fault+0x1594/0x25f0
[  262.385563]  ? __lock_page_or_retry+0xa00/0xa00
[  262.390234]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.396037]  ? kasan_check_read+0x11/0x20
[  262.400190]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.405468]  ? rcu_bh_qs+0xc0/0xc0
[  262.409022]  ? filemap_map_pages+0xdea/0x1980
[  262.413523]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.418632]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  262.423908]  ? debug_object_free+0x325/0x690
[  262.428324]  ? find_get_pages_range_tag+0x1320/0x1320
[  262.433523]  ? graph_lock+0x170/0x170
[  262.437336]  ? kasan_check_read+0x11/0x20
[  262.441488]  ? debug_object_destroy+0x2b0/0x2b0
[  262.446168]  ? lock_acquire+0x1ed/0x520
[  262.450146]  ? ext4_filemap_fault+0x7a/0xad
[  262.454476]  ? lock_release+0x970/0x970
[  262.458454]  ? arch_local_save_flags+0x40/0x40
[  262.463041]  ? futex_wait_setup+0x3e0/0x3e0
[  262.467379]  ? down_read+0xb0/0x1d0
[  262.471005]  ? ext4_filemap_fault+0x7a/0xad
[  262.475331]  ? __down_interruptible+0x700/0x700
[  262.480021]  ext4_filemap_fault+0x82/0xad
[  262.484180]  __do_fault+0x100/0x6b0
[  262.487826]  ? print_bad_pte+0x6c0/0x6c0
[  262.491893]  ? do_futex+0x249/0x26d0
[  262.495611]  ? pmd_val+0x88/0x100
[  262.499063]  ? add_mm_counter_fast+0xd0/0xd0
[  262.503472]  ? pmd_val+0x88/0x100
[  262.506928]  ? add_mm_counter_fast+0xd0/0xd0
[  262.511346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.516910]  __handle_mm_fault+0x3709/0x53e0
[  262.521327]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  262.526170]  ? graph_lock+0x170/0x170
[  262.529970]  ? print_usage_bug+0xc0/0xc0
[  262.534034]  ? graph_lock+0x170/0x170
[  262.537837]  ? graph_lock+0x170/0x170
[  262.541659]  ? handle_mm_fault+0x42a/0xc70
[  262.545896]  ? lock_downgrade+0x900/0x900
[  262.550048]  ? check_preemption_disabled+0x48/0x200
[  262.555069]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  262.560868]  ? kasan_check_read+0x11/0x20
[  262.565014]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.570295]  ? rcu_bh_qs+0xc0/0xc0
[  262.573844]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.579300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.584846]  ? check_preemption_disabled+0x48/0x200
[  262.589873]  handle_mm_fault+0x54f/0xc70
[  262.593943]  ? __handle_mm_fault+0x53e0/0x53e0
[  262.598528]  ? find_vma+0x34/0x190
[  262.602078]  __do_page_fault+0x67d/0xed0
[  262.606150]  ? mm_fault_error+0x380/0x380
[  262.610296]  ? trace_hardirqs_off+0xb8/0x300
[  262.614705]  ? trace_hardirqs_on+0x310/0x310
[  262.619117]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.624478]  ? trace_hardirqs_on+0x310/0x310
[  262.628894]  do_page_fault+0xf2/0x7e0
[  262.632700]  ? vmalloc_sync_all+0x30/0x30
[  262.636848]  ? error_entry+0x70/0xd0
[  262.640562]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.645578]  ? trace_hardirqs_on_caller+0xc0/0x300
[  262.650508]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.655438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.660284]  ? trace_hardirqs_off+0x300/0x300
[  262.664795]  ? trace_hardirqs_off_caller+0x300/0x300
[  262.669911]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.674929]  ? page_fault+0x8/0x30
[  262.678472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.683320]  ? page_fault+0x8/0x30
[  262.686860]  page_fault+0x1e/0x30
[  262.690308] RIP: 0033:0x40f9c0
[  262.693504] Code: Bad RIP value.
[  262.696867] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  262.702231] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  262.709498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  262.716765] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  262.724037] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  262.731304] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  262.738593] warn_alloc_show_mem: 1 callbacks suppressed
[  262.738605] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  262.738607] Mem-Info:
[  262.738640] active_anon:52539 inactive_anon:923 isolated_anon:0
[  262.738640]  active_file:16 inactive_file:19 isolated_file:0
[  262.738640]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.738640]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  262.738640]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  262.738640]  free:13650 free_pcp:205 free_cma:0
[  262.743971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.743980] Call Trace:
[  262.751258] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.753657]  <IRQ>
[  262.786611] Node 0 
[  262.795962]  dump_stack+0x1c4/0x2b4
[  262.798543] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.826272]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.828395] lowmem_reserve[]:
[  262.830635]  warn_alloc.cold.118+0xb7/0x1bd
[  262.834216]  0 2817
[  262.859721]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.864888]  6321 6321
[  262.867993]  ? lock_downgrade+0x900/0x900
[  262.874527]  ? trace_hardirqs_off+0xb8/0x300
[  262.879348] Node 0 
[  262.881842]  ? trace_hardirqs_off+0xb8/0x300
[  262.885983] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.890363]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.892565] lowmem_reserve[]:
[  262.896993]  ? warn_alloc+0x120/0x120
[  262.923913]  0 0
[  262.928757]  ? warn_alloc+0x120/0x120
[  262.931829]  3503 3503
[  262.935629]  ? print_usage_bug+0xc0/0xc0
[  262.941367]  ? lockdep_on+0x50/0x50
[  262.943840] Node 0 
[  262.947895]  ? lock_pin_lock+0x350/0x350
[  262.951521] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  262.953730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.957753] lowmem_reserve[]: 0
[  262.986130]  ? should_fail+0x22d/0xd01
[  262.991635]  0
[  262.994909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.998767]  0
[  263.000568]  ? __lock_acquire+0x7ec/0x4ec0
[  263.005640]  0
[  263.007438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.013434]  ? __lock_acquire+0x2881/0x4ec0
[  263.018510] Node 0 
[  263.022818]  ? should_fail+0x22d/0xd01
[  263.022828] DMA: 
[  263.025061]  ? mark_held_locks+0x130/0x130
[  263.028921] 1*4kB 
[  263.030991]  ? mark_held_locks+0x130/0x130
[  263.035202] (U) 
[  263.037349]  ? kasan_check_read+0x11/0x20
[  263.041555] 0*8kB 
[  263.043525]  ? __lock_acquire+0x2881/0x4ec0
[  263.047650] 0*16kB 
[  263.049795]  ? graph_lock+0x170/0x170
[  263.054095] 1*32kB 
[  263.056329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.060098] (U) 
[  263.062336]  ? check_preemption_disabled+0x48/0x200
[  263.067847] 2*64kB 
[  263.069820]  ? check_preemption_disabled+0x48/0x200
[  263.069845]  ? __lock_is_held+0xb5/0x140
[  263.075319] (U) 1*128kB 
[  263.077564]  __alloc_pages_nodemask+0xa80/0xde0
[  263.082550] (U) 
[  263.086601]  ? graph_lock+0x170/0x170
[  263.089248] 1*256kB 
[  263.093911]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.095858] (U) 
[  263.099649]  ? graph_lock+0x170/0x170
[  263.101946] 0*512kB 1*1024kB 
[  263.106969]  ? find_held_lock+0x36/0x1c0
[  263.108916] (U) 
[  263.112716]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.115796] 1*2048kB 
[  263.119850]  ? lock_downgrade+0x900/0x900
[  263.121811] (M) 
[  263.126473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.128861] 3*4096kB 
[  263.133006]  cache_grow_begin+0x91/0x8c0
[  263.134953] (M) 
[  263.140484]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.142866] = 15908kB
[  263.146924]  fallback_alloc+0x203/0x2e0
[  263.148871] Node 0 
[  263.153274]  ____cache_alloc_node+0x1c7/0x1e0
[  263.155658] DMA32: 
[  263.159630]  kmem_cache_alloc_node+0xe3/0x730
[  263.161841] 2*4kB 
[  263.166333]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.168543] (M) 
[  263.173032]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  263.175159] 1*8kB 
[  263.179564]  __alloc_skb+0x119/0x770
[  263.181509] (U) 
[  263.186084]  ? skb_scrub_packet+0x490/0x490
[  263.188209] 4*16kB 
[  263.191917]  ? atomic_notifier_call_chain+0xc6/0x190
[  263.193867] (UM) 
[  263.198178]  ? lock_downgrade+0x900/0x900
[  263.200386] 2*32kB (UM) 
[  263.205984]  ? check_preemption_disabled+0x48/0x200
[  263.208020] 3*64kB 
[  263.212166]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  263.214821] (UM) 
[  263.219824]  ? kasan_check_read+0x11/0x20
[  263.219842]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.222055] 4*128kB 
[  263.227863]  ? rcu_bh_qs+0xc0/0xc0
[  263.229902] (UM) 
[  263.234048]  ? do_raw_write_trylock+0x1c0/0x1c0
[  263.239301] 2*256kB 
[  263.241625]  __neigh_notify+0x8c/0x160
[  263.245133] (M) 
[  263.247192]  ? __neigh_event_send+0x1390/0x1390
[  263.251836] 4*512kB 
[  263.254155]  neigh_timer_handler+0x6cb/0xdf0
[  263.258017] (UM) 
[  263.259992]  ? neigh_invalidate+0x550/0x550
[  263.264633] 3*1024kB 
[  263.266945]  ? __lock_is_held+0xb5/0x140
[  263.271324] (M) 
[  263.273393]  call_timer_fn+0x272/0x920
[  263.277704] 1*2048kB 
[  263.280103]  ? neigh_invalidate+0x550/0x550
[  263.284138] (M) 
[  263.286106]  ? process_timeout+0x40/0x40
[  263.289965] 4*4096kB 
[  263.292375]  ? find_held_lock+0x36/0x1c0
[  263.296671] (M) 
[  263.299018]  ? __run_timers+0x7da/0xc70
[  263.303051] = 24912kB
[  263.305455]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.309485] Node 0 
[  263.311454]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.315405] Normal: 
[  263.317826]  ? neigh_invalidate+0x550/0x550
[  263.322293] 2389*4kB 
[  263.324527]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  263.328993] (UME) 
[  263.331314]  ? trace_hardirqs_on+0xbd/0x310
[  263.335604] 378*8kB 
[  263.338008]  ? kasan_check_read+0x11/0x20
[  263.342562] (UME) 
[  263.344716]  ? __run_timers+0x7da/0xc70
[  263.349011] 73*16kB 
[  263.351333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.355452] (UM) 
[  263.357615]  ? neigh_invalidate+0x550/0x550
[  263.361552] 1*32kB 
[  263.363868]  __run_timers+0x7e5/0xc70
[  263.369290] (U) 
[  263.371361]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.375649] 0*64kB 
[  263.377883]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.381653] 0*128kB 
[  263.383624]  ? rcu_bh_qs+0xc0/0xc0
[  263.388964] 0*256kB 
[  263.391196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.396437] 0*512kB 0*1024kB 
[  263.398768]  ? check_preemption_disabled+0x48/0x200
[  263.402274] 0*2048kB 0*4096kB 
[  263.404605]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.410107] = 13780kB
[  263.413203]  ? retint_kernel+0x2d/0x2d
[  263.418198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.421375]  ? trace_hardirqs_on_caller+0xc0/0x300
[  263.426107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.428509]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.432366] 4510 total pagecache pages
[  263.441193]  ? trace_hardirqs_off_caller+0x300/0x300
[  263.446105] 0 pages in swap cache
[  263.454669]  ? check_preemption_disabled+0x48/0x200
[  263.459394] Swap cache stats: add 0, delete 0, find 0/0
[  263.459402] Free swap  = 0kB
[  263.463278]  ? graph_lock+0x170/0x170
[  263.468354] Total swap = 0kB
[  263.471807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.476803] 1965979 pages RAM
[  263.482159]  ? check_preemption_disabled+0x48/0x200
[  263.485163] 0 pages HighMem/MovableOnly
[  263.485172] 342744 pages reserved
[  263.488970]  ? __lock_is_held+0xb5/0x140
[  263.491955] 0 pages cma reserved
[  263.497483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.500622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.505562]  ? check_preemption_disabled+0x48/0x200
[  263.505586]  run_timer_softirq+0x52/0xb0
[  263.505602]  ? rcu_read_lock_sched_held+0x108/0x120
[  263.509615] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.513004]  __do_softirq+0x30b/0xad8
[  263.517037] syz-fuzzer cpuset=
[  263.520403]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.525909] /
[  263.532396]  ? pvclock_read_flags+0x160/0x160
[  263.537383]  mems_allowed=0
[  263.541432]  ? lapic_next_event+0x5a/0x90
[  263.581896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.587438]  ? check_preemption_disabled+0x48/0x200
[  263.592454]  ? check_preemption_disabled+0x48/0x200
[  263.597479]  ? kvm_clock_read+0x18/0x30
[  263.601449]  ? kvm_sched_clock_read+0x9/0x20
[  263.605874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.611412]  ? check_preemption_disabled+0x48/0x200
[  263.616442]  irq_exit+0x17f/0x1c0
[  263.619902]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.624746]  ? smp_reschedule_interrupt+0x109/0x650
[  263.629765]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.635657]  ? interrupt_entry+0xb5/0xf0
[  263.639722]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.644735]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.649750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.654593]  ? trace_hardirqs_off+0x300/0x300
[  263.659089]  ? trace_hardirqs_off+0x300/0x300
[  263.663587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.669124]  ? check_preemption_disabled+0x48/0x200
[  263.674137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.679680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.684533]  apic_timer_interrupt+0xf/0x20
[  263.688800]  </IRQ>
[  263.691042] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.695975] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  263.714871] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  263.722580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  263.729847] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  263.737110] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  263.744378] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  263.751645] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  263.758953]  skb_clone+0x1bb/0x500
[  263.762497]  ? finish_task_switch+0x2f5/0x900
[  263.766994]  ? skb_split+0x11e0/0x11e0
[  263.770885]  ? preempt_notifier_register+0x200/0x200
[  263.775988]  ? __switch_to_asm+0x34/0x70
[  263.780048]  ? __switch_to_asm+0x34/0x70
[  263.784103]  ? __switch_to_asm+0x40/0x70
[  263.788158]  ? __switch_to_asm+0x34/0x70
[  263.792229]  ? __switch_to_asm+0x40/0x70
[  263.796297]  ? __switch_to_asm+0x34/0x70
[  263.800360]  ? __switch_to_asm+0x40/0x70
[  263.804417]  ? __switch_to_asm+0x34/0x70
[  263.808473]  ? __switch_to_asm+0x34/0x70
[  263.812535]  ? __switch_to_asm+0x40/0x70
[  263.816594]  ? __switch_to_asm+0x34/0x70
[  263.820664]  bpf_clone_redirect+0xb9/0x490
[  263.824902]  ? __schedule+0x874/0x1ed0
[  263.828807]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  263.833827]  ? __sched_text_start+0x8/0x8
[  263.837978]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.842749]  ? find_held_lock+0x36/0x1c0
[  263.846825]  ? lock_acquire+0x1ed/0x520
[  263.850805]  ? bpf_test_run+0x32e/0x5a0
[  263.854782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.860335]  ? check_preemption_disabled+0x48/0x200
[  263.865364]  ? kasan_check_read+0x11/0x20
[  263.869518]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.874805]  ? rcu_bh_qs+0xc0/0xc0
[  263.878353]  ? preempt_schedule+0x4d/0x60
[  263.882504]  ? ___preempt_schedule+0x16/0x18
[  263.886919]  ? bpf_test_run+0x1c0/0x5a0
[  263.890930]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.895344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.900878]  ? bpf_test_init.isra.9+0x70/0x100
[  263.905467]  ? bpf_prog_test_run_skb+0x634/0xb40
[  263.910241]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.915085]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.920622]  ? fput+0x130/0x1a0
[  263.923917]  ? __bpf_prog_get+0x9b/0x290
[  263.927983]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.932823]  ? bpf_prog_test_run+0x130/0x1a0
[  263.937234]  ? __x64_sys_bpf+0x3d8/0x510
[  263.941297]  ? bpf_prog_get+0x20/0x20
[  263.945115]  ? ksys_ioctl+0x81/0xd0
[  263.948752]  ? do_syscall_64+0x1b9/0x820
[  263.952821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.958186]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.963118]  ? trace_hardirqs_off+0x300/0x300
[  263.967613]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.972627]  ? recalc_sigpending_tsk+0x180/0x180
[  263.977384]  ? kasan_check_write+0x14/0x20
[  263.981627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.986485]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.991872] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  263.992063] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.998813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.009277] syz-executor2 cpuset=
[  264.018611] Call Trace:
[  264.018621] syz2
[  264.022055]  <IRQ>
[  264.024624]  mems_allowed=0
[  264.026594]  dump_stack+0x1c4/0x2b4
[  264.035257]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.040462]  warn_alloc.cold.118+0xb7/0x1bd
[  264.044793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.049649]  ? lock_downgrade+0x900/0x900
[  264.053821]  ? trace_hardirqs_off+0xb8/0x300
[  264.058234]  ? trace_hardirqs_off+0xb8/0x300
[  264.062650]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.067524]  ? warn_alloc+0x120/0x120
[  264.071333]  ? warn_alloc+0x120/0x120
[  264.075138]  ? print_usage_bug+0xc0/0xc0
[  264.079199]  ? warn_alloc+0x120/0x120
[  264.083000]  ? print_usage_bug+0xc0/0xc0
[  264.087061]  ? __lock_acquire+0x7ec/0x4ec0
[  264.091294]  ? __lock_acquire+0x7ec/0x4ec0
[  264.095535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.101077]  ? should_fail+0x22d/0xd01
[  264.104968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.110070]  ? __lock_acquire+0x7ec/0x4ec0
[  264.114309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.119412]  ? __lock_acquire+0x7ec/0x4ec0
[  264.123646]  ? should_fail+0x22d/0xd01
[  264.127543]  ? mark_held_locks+0x130/0x130
[  264.131782]  ? mark_held_locks+0x130/0x130
[  264.136031]  ? graph_lock+0x170/0x170
[  264.139834]  ? graph_lock+0x170/0x170
[  264.143638]  ? graph_lock+0x170/0x170
[  264.147436]  ? print_usage_bug+0xc0/0xc0
[  264.151494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.157037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.162578]  ? check_preemption_disabled+0x48/0x200
[  264.167595]  ? check_preemption_disabled+0x48/0x200
[  264.172623]  ? __lock_is_held+0xb5/0x140
[  264.176692]  __alloc_pages_nodemask+0xa80/0xde0
[  264.181360]  ? graph_lock+0x170/0x170
[  264.185168]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.190184]  ? graph_lock+0x170/0x170
[  264.193994]  ? find_held_lock+0x36/0x1c0
[  264.198065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.202737]  ? lock_downgrade+0x900/0x900
[  264.206894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.212448]  cache_grow_begin+0x91/0x8c0
[  264.216506]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.220935]  fallback_alloc+0x203/0x2e0
[  264.224917]  ____cache_alloc_node+0x1c7/0x1e0
[  264.229445]  kmem_cache_alloc_node+0xe3/0x730
[  264.233959]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.238206]  __alloc_skb+0x119/0x770
[  264.241923]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.247204]  ? skb_scrub_packet+0x490/0x490
[  264.251527]  ? lock_downgrade+0x900/0x900
[  264.255692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.261237]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.266708]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.272162]  ? addrconf_rs_timer+0x6f0/0x6f0
[  264.276584]  ndisc_alloc_skb+0x144/0x340
[  264.280655]  ndisc_send_rs+0x331/0x6e0
[  264.284548]  addrconf_rs_timer+0x3c0/0x6f0
[  264.288796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.293051]  call_timer_fn+0x272/0x920
[  264.296937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.301172]  ? process_timeout+0x40/0x40
[  264.305236]  ? find_held_lock+0x36/0x1c0
[  264.309305]  ? mark_held_locks+0xc7/0x130
[  264.313459]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.317955]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.322448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.326680]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  264.331266]  ? trace_hardirqs_on+0xbd/0x310
[  264.335590]  ? kasan_check_read+0x11/0x20
[  264.339739]  ? __run_timers+0x7da/0xc70
[  264.343716]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.349173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.353412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.357647]  __run_timers+0x7e5/0xc70
[  264.361463]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.366836]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.371851]  ? graph_lock+0x170/0x170
[  264.375656]  ? print_usage_bug+0xc0/0xc0
[  264.379715]  ? lock_release+0x970/0x970
[  264.383691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  264.388890]  ? find_held_lock+0x36/0x1c0
[  264.392956]  ? graph_lock+0x170/0x170
[  264.396758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.402301]  ? check_preemption_disabled+0x48/0x200
[  264.407330]  ? __lock_is_held+0xb5/0x140
[  264.411395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.416936]  ? check_preemption_disabled+0x48/0x200
[  264.421956]  run_timer_softirq+0x52/0xb0
[  264.426017]  ? rcu_read_lock_sched_held+0x108/0x120
[  264.431033]  __do_softirq+0x30b/0xad8
[  264.434848]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.439975]  ? pvclock_read_flags+0x160/0x160
[  264.444472]  ? lapic_next_event+0x5a/0x90
[  264.448620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.454159]  ? check_preemption_disabled+0x48/0x200
[  264.459174]  ? check_preemption_disabled+0x48/0x200
[  264.464193]  ? kvm_clock_read+0x18/0x30
[  264.468165]  ? kvm_sched_clock_read+0x9/0x20
[  264.472578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.478117]  ? check_preemption_disabled+0x48/0x200
[  264.483145]  irq_exit+0x17f/0x1c0
[  264.489294]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.494144]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.500029]  ? interrupt_entry+0xb5/0xf0
[  264.504088]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.509099]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.514117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.518957]  ? trace_hardirqs_off+0x300/0x300
[  264.523452]  ? trace_hardirqs_off+0x300/0x300
[  264.527952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.533578]  ? check_preemption_disabled+0x48/0x200
[  264.538594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.544142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.548993]  apic_timer_interrupt+0xf/0x20
[  264.553219]  </IRQ>
[  264.555460] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  264.560740] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  264.579641] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  264.587353] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  264.594619] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  264.601884] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  264.609148] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  264.616416] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  264.623698]  ? arch_local_irq_restore+0x45/0x52
[  264.628375]  dump_stack+0x26a/0x2b4
[  264.632008]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.637200]  ? mark_held_locks+0x130/0x130
[  264.641434]  ? mark_held_locks+0x130/0x130
[  264.645688]  dump_header+0x27b/0xf72
[  264.649418]  ? pagefault_out_of_memory+0x197/0x197
[  264.654355]  ? mark_held_locks+0x130/0x130
[  264.658588]  ? __lock_acquire+0x7ec/0x4ec0
[  264.662830]  ? mem_cgroup_charge_statistics+0x780/0x780
[  264.668194]  ? print_usage_bug+0xc0/0xc0
[  264.672256]  ? print_usage_bug+0xc0/0xc0
[  264.676340]  ? graph_lock+0x170/0x170
[  264.680151]  ? graph_lock+0x170/0x170
[  264.683958]  ? print_usage_bug+0xc0/0xc0
[  264.688020]  ? print_usage_bug+0xc0/0xc0
[  264.692088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.697631]  ? find_held_lock+0x36/0x1c0
[  264.701698]  ? mark_held_locks+0xc7/0x130
[  264.705857]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.710958]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.716059]  ? lockdep_hardirqs_on+0x421/0x5c0
[  264.720639]  ? trace_hardirqs_on+0xbd/0x310
[  264.724961]  ? kasan_check_read+0x11/0x20
[  264.729108]  ? ___ratelimit+0x36f/0x655
[  264.733085]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.738536]  ? trace_hardirqs_on+0x310/0x310
[  264.742946]  ? lock_downgrade+0x900/0x900
[  264.747100]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.752207]  ? ___ratelimit+0xaa/0x655
[  264.756096]  ? idr_get_free+0xec0/0xec0
[  264.760074]  ? kasan_check_write+0x14/0x20
[  264.764312]  ? do_raw_spin_lock+0xc1/0x200
[  264.768552]  oom_kill_process.cold.27+0x10/0x903
[  264.773312]  ? graph_lock+0x170/0x170
[  264.777144]  ? _raw_spin_unlock+0x2c/0x50
[  264.781287]  ? oom_badness+0xe6/0xaa0
[  264.785096]  ? oom_evaluate_task+0x540/0x540
[  264.789511]  ? find_held_lock+0x36/0x1c0
[  264.793577]  ? out_of_memory+0x974/0x14c0
[  264.797728]  ? lock_downgrade+0x900/0x900
[  264.801876]  ? check_preemption_disabled+0x48/0x200
[  264.806898]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.812698]  ? kasan_check_read+0x11/0x20
[  264.816851]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.822129]  ? rcu_bh_qs+0xc0/0xc0
[  264.825681]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.830700]  ? oom_evaluate_task+0x302/0x540
[  264.835122]  out_of_memory+0xa86/0x14c0
[  264.839105]  ? oom_killer_disable+0x3a0/0x3a0
[  264.843602]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  264.848539]  ? __mutex_add_waiter+0x2a0/0x2a0
[  264.853135]  __alloc_pages_slowpath+0x2318/0x2d80
[  264.858010]  ? warn_alloc+0x120/0x120
[  264.861841]  ? find_get_entry+0x2f2/0xc40
[  264.866000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.871539]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  264.876470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.882007]  ? should_fail+0x22d/0xd01
[  264.885899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.891002]  ? __lock_is_held+0xb5/0x140
[  264.895088]  ? __lock_is_held+0xb5/0x140
[  264.899154]  ? find_held_lock+0x36/0x1c0
[  264.903220]  ? ___might_sleep+0x1ed/0x300
[  264.907366]  ? lock_release+0x970/0x970
[  264.911342]  ? arch_local_save_flags+0x40/0x40
[  264.915940]  ? __might_sleep+0x95/0x190
[  264.919917]  __alloc_pages_nodemask+0xa80/0xde0
[  264.924595]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.929616]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.935416]  ? kasan_check_read+0x11/0x20
[  264.939563]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.944848]  ? graph_lock+0x170/0x170
[  264.948651]  ? print_usage_bug+0xc0/0xc0
[  264.952717]  ? graph_lock+0x170/0x170
[  264.956514]  ? graph_lock+0x170/0x170
[  264.960310]  ? __do_page_cache_readahead+0x7ce/0x980
[  264.965420]  ? find_held_lock+0x36/0x1c0
[  264.969490]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  264.975029]  alloc_pages_current+0x10c/0x210
[  264.979437]  ? lock_downgrade+0x900/0x900
[  264.983589]  __page_cache_alloc+0x38f/0x5b0
[  264.987916]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.993711]  ? kasan_check_read+0x11/0x20
[  264.997863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.003146]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  265.007832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.013370]  ? check_preemption_disabled+0x48/0x200
[  265.018391]  filemap_fault+0x1594/0x25f0
[  265.022470]  ? __lock_page_or_retry+0xa00/0xa00
[  265.027137]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  265.032936]  ? kasan_check_read+0x11/0x20
[  265.037083]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.042362]  ? rcu_bh_qs+0xc0/0xc0
[  265.045913]  ? filemap_map_pages+0xdea/0x1980
[  265.050421]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.055618]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  265.060895]  ? debug_object_free+0x325/0x690
[  265.065310]  ? find_get_pages_range_tag+0x1320/0x1320
[  265.070507]  ? graph_lock+0x170/0x170
[  265.074542]  ? kasan_check_read+0x11/0x20
[  265.078694]  ? debug_object_destroy+0x2b0/0x2b0
[  265.083376]  ? lock_acquire+0x1ed/0x520
[  265.087350]  ? ext4_filemap_fault+0x7a/0xad
[  265.091679]  ? lock_release+0x970/0x970
[  265.095651]  ? arch_local_save_flags+0x40/0x40
[  265.100239]  ? futex_wait_setup+0x3e0/0x3e0
[  265.104571]  ? down_read+0xb0/0x1d0
[  265.108195]  ? ext4_filemap_fault+0x7a/0xad
[  265.112520]  ? __down_interruptible+0x700/0x700
[  265.117210]  ext4_filemap_fault+0x82/0xad
[  265.121365]  __do_fault+0x100/0x6b0
[  265.124999]  ? print_bad_pte+0x6c0/0x6c0
[  265.129063]  ? do_futex+0x249/0x26d0
[  265.132782]  ? pmd_val+0x88/0x100
[  265.136248]  ? add_mm_counter_fast+0xd0/0xd0
[  265.140656]  ? pmd_val+0x88/0x100
[  265.144106]  ? add_mm_counter_fast+0xd0/0xd0
[  265.148523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.154068]  __handle_mm_fault+0x3709/0x53e0
[  265.158491]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  265.163347]  ? graph_lock+0x170/0x170
[  265.167154]  ? print_usage_bug+0xc0/0xc0
[  265.171221]  ? graph_lock+0x170/0x170
[  265.175018]  ? graph_lock+0x170/0x170
[  265.178846]  ? handle_mm_fault+0x42a/0xc70
[  265.183081]  ? lock_downgrade+0x900/0x900
[  265.187228]  ? check_preemption_disabled+0x48/0x200
[  265.192252]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  265.198053]  ? kasan_check_read+0x11/0x20
[  265.202200]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.207679]  ? rcu_bh_qs+0xc0/0xc0
[  265.211220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.216670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.222210]  ? check_preemption_disabled+0x48/0x200
[  265.227234]  handle_mm_fault+0x54f/0xc70
[  265.231303]  ? __handle_mm_fault+0x53e0/0x53e0
[  265.235887]  ? find_vma+0x34/0x190
[  265.239431]  __do_page_fault+0x67d/0xed0
[  265.243499]  ? mm_fault_error+0x380/0x380
[  265.247649]  ? trace_hardirqs_off+0xb8/0x300
[  265.252055]  ? trace_hardirqs_on+0x310/0x310
[  265.256464]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  265.261832]  ? trace_hardirqs_on+0x310/0x310
[  265.266247]  do_page_fault+0xf2/0x7e0
[  265.270047]  ? vmalloc_sync_all+0x30/0x30
[  265.274196]  ? error_entry+0x70/0xd0
[  265.277913]  ? trace_hardirqs_off_caller+0xbb/0x300
[  265.282928]  ? trace_hardirqs_on_caller+0xc0/0x300
[  265.287855]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.292793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.297643]  ? trace_hardirqs_off+0x300/0x300
[  265.302134]  ? trace_hardirqs_off_caller+0x300/0x300
[  265.307242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.312263]  ? page_fault+0x8/0x30
[  265.315820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.320668]  ? page_fault+0x8/0x30
[  265.324207]  page_fault+0x1e/0x30
[  265.327655] RIP: 0033:0x40f9c0
[  265.330852] Code: Bad RIP value.
[  265.334210] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  265.339575] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  265.346847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  265.354113] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  265.361377] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  265.368642] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  265.375934] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  265.375940] warn_alloc_show_mem: 1 callbacks suppressed
[  265.375947] Mem-Info:
[  265.383212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.383221] Call Trace:
[  265.388589] active_anon:52539 inactive_anon:923 isolated_anon:0
[  265.388589]  active_file:16 inactive_file:19 isolated_file:0
[  265.388589]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.388589]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  265.388589]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  265.388589]  free:13650 free_pcp:205 free_cma:0
[  265.390959]  <IRQ>
[  265.400324] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.402913]  dump_stack+0x1c4/0x2b4
[  265.435866] Node 0 
[  265.438027]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.465779] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  265.469390]  warn_alloc.cold.118+0xb7/0x1bd
[  265.471584] lowmem_reserve[]:
[  265.476770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.502240]  0 2817
[  265.506573]  ? lock_downgrade+0x900/0x900
[  265.509644]  6321
[  265.514483]  ? trace_hardirqs_off+0xb8/0x300
[  265.516687]  6321
[  265.520832]  ? trace_hardirqs_off+0xb8/0x300
[  265.527273]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.529302] Node 0 
[  265.533731]  ? warn_alloc+0x120/0x120
[  265.538545] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  265.540800]  ? warn_alloc+0x120/0x120
[  265.544577] lowmem_reserve[]:
[  265.571555]  ? print_usage_bug+0xc0/0xc0
[  265.575329]  0
[  265.578428]  ? warn_alloc+0x120/0x120
[  265.582462]  0
[  265.584254]  ? lock_release+0x970/0x970
[  265.588025]  3503
[  265.589823]  ? print_usage_bug+0xc0/0xc0
[  265.589840]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.593796]  3503
[  265.595858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.599890] Node 0 
[  265.605072]  ? should_fail+0x22d/0xd01
[  265.607136] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  265.612637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.614839] lowmem_reserve[]: 0
[  265.618731]  ? __lock_acquire+0x7ec/0x4ec0
[  265.647347]  0
[  265.652455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.655696]  0
[  265.659927]  ? __lock_acquire+0x7ec/0x4ec0
[  265.661698]  0
[  265.666799]  ? should_fail+0x22d/0xd01
[  265.668589] Node 0 
[  265.672828]  ? mark_held_locks+0x130/0x130
[  265.674608] DMA: 
[  265.678485]  ? mark_held_locks+0x130/0x130
[  265.680695] 1*4kB 
[  265.684924]  ? try_to_wake_up+0x10a/0x12f0
[  265.686959] (U) 
[  265.691187]  ? graph_lock+0x170/0x170
[  265.693317] 0*8kB 
[  265.697543]  ? print_usage_bug+0xc0/0xc0
[  265.699494] 0*16kB 
[  265.703286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.705409] 1*32kB 
[  265.709461]  ? check_preemption_disabled+0x48/0x200
[  265.711668] (U) 
[  265.717196]  ? check_preemption_disabled+0x48/0x200
[  265.719402] 2*64kB (U) 
[  265.724428]  ? __lock_is_held+0xb5/0x140
[  265.726375] 1*128kB 
[  265.731384]  __alloc_pages_nodemask+0xa80/0xde0
[  265.733939] (U) 
[  265.737993]  ? graph_lock+0x170/0x170
[  265.740288] 1*256kB (U) 
[  265.744963]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.746913] 0*512kB 
[  265.750702]  ? graph_lock+0x170/0x170
[  265.753352] 1*1024kB 
[  265.758364]  ? find_held_lock+0x36/0x1c0
[  265.760647] (U) 1*2048kB 
[  265.764453]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.766837] (M) 
[  265.770892]  ? lock_downgrade+0x900/0x900
[  265.773623] 3*4096kB 
[  265.778286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.780231] (M) 
[  265.784373]  cache_grow_begin+0x91/0x8c0
[  265.786756] = 15908kB
[  265.792285]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.794233] Node 0 
[  265.798290]  fallback_alloc+0x203/0x2e0
[  265.800672] DMA32: 
[  265.805073]  ____cache_alloc_node+0x1c7/0x1e0
[  265.807278] 2*4kB 
[  265.811248]  kmem_cache_alloc_node+0xe3/0x730
[  265.813461] (M) 
[  265.817952]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.820077] 1*8kB 
[  265.824571]  __alloc_skb+0x119/0x770
[  265.826514] (U) 
[  265.830743]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.832868] 4*16kB 
[  265.836576]  ? skb_scrub_packet+0x490/0x490
[  265.838522] (UM) 
[  265.843798]  ? lock_downgrade+0x900/0x900
[  265.846006] 2*32kB (UM) 
[  265.850337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.852365] 3*64kB (UM) 
[  265.856514]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.859160] 4*128kB 
[  265.864690]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.867338] (UM) 
[  265.872794]  ? addrconf_rs_timer+0x6f0/0x6f0
[  265.875088] 2*256kB 
[  265.880537]  ndisc_alloc_skb+0x144/0x340
[  265.882576] (M) 4*512kB 
[  265.886985]  ndisc_send_rs+0x331/0x6e0
[  265.889279] (UM) 
[  265.893337]  addrconf_rs_timer+0x3c0/0x6f0
[  265.895978] 3*1024kB 
[  265.899864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.901901] (M) 
[  265.906141]  call_timer_fn+0x272/0x920
[  265.908515] 1*2048kB 
[  265.912738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.914688] (M) 
[  265.918570]  ? process_timeout+0x40/0x40
[  265.920956] 4*4096kB 
[  265.925180]  ? find_held_lock+0x36/0x1c0
[  265.927130] (M) 
[  265.931190]  ? __run_timers+0x7da/0xc70
[  265.933573] = 24912kB
[  265.937628]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.939578] Node 0 
[  265.943544]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.945927] Normal: 
[  265.950415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.952626] 2389*4kB 
[  265.957111]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  265.959407] (UME) 
[  265.963633]  ? trace_hardirqs_on+0xbd/0x310
[  265.966018] 378*8kB 
[  265.970593]  ? kasan_check_read+0x11/0x20
[  265.972716] (UME) 
[  265.977030]  ? __run_timers+0x7da/0xc70
[  265.979325] 73*16kB 
[  265.983465]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.985596] (UM) 
[  265.989570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.991859] 1*32kB 
[  265.997301]  __run_timers+0x7e5/0xc70
[  265.999336] (U) 
[  266.003574]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.005777] 0*64kB 
[  266.009577]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.011524] 0*128kB 
[  266.016879]  ? rcu_bh_qs+0xc0/0xc0
[  266.019090] 0*256kB 
[  266.024362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.026657] 0*512kB 
[  266.030189]  ? check_preemption_disabled+0x48/0x200
[  266.032482] 0*1024kB 
[  266.038011]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.040302] 0*2048kB 
[  266.045317]  ? retint_kernel+0x2d/0x2d
[  266.047691] 0*4096kB = 13780kB
[  266.052445]  ? trace_hardirqs_on_caller+0xc0/0x300
[  266.054838] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.058709]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.061878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.066804]  ? trace_hardirqs_off_caller+0x300/0x300
[  266.075622] 4510 total pagecache pages
[  266.080369]  ? check_preemption_disabled+0x48/0x200
[  266.088922] 0 pages in swap cache
[  266.094012]  ? graph_lock+0x170/0x170
[  266.097897] Swap cache stats: add 0, delete 0, find 0/0
[  266.102905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.106356] Free swap  = 0kB
[  266.110144]  ? check_preemption_disabled+0x48/0x200
[  266.115525] Total swap = 0kB
[  266.121059]  ? __lock_is_held+0xb5/0x140
[  266.124048] 1965979 pages RAM
[  266.129054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.132047] 0 pages HighMem/MovableOnly
[  266.136102]  ? check_preemption_disabled+0x48/0x200
[  266.139175] 342744 pages reserved
[  266.139183] 0 pages cma reserved
[  266.144732]  run_timer_softirq+0x52/0xb0
[  266.148763] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.153703]  ? rcu_read_lock_sched_held+0x108/0x120
[  266.153721]  __do_softirq+0x30b/0xad8
[  266.153746]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.157272] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.160545]  ? pvclock_read_flags+0x160/0x160
[  266.164582] syz-fuzzer cpuset=
[  266.171061]  ? lapic_next_event+0x5a/0x90
[  266.176052] /
[  266.179845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.184925]  mems_allowed=0
[  266.195139]  ? check_preemption_disabled+0x48/0x200
[  266.222070]  ? check_preemption_disabled+0x48/0x200
[  266.227092]  ? kvm_clock_read+0x18/0x30
[  266.231069]  ? kvm_sched_clock_read+0x9/0x20
[  266.235480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.241021]  ? check_preemption_disabled+0x48/0x200
[  266.246051]  irq_exit+0x17f/0x1c0
[  266.249512]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.254363]  ? smp_reschedule_interrupt+0x109/0x650
[  266.259414]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.265298]  ? interrupt_entry+0xb5/0xf0
[  266.269375]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.274391]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.279430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.284269]  ? trace_hardirqs_off+0x300/0x300
[  266.288760]  ? trace_hardirqs_off+0x300/0x300
[  266.293260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.298803]  ? check_preemption_disabled+0x48/0x200
[  266.303821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.309363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.314223]  apic_timer_interrupt+0xf/0x20
[  266.318460]  </IRQ>
[  266.320712] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.325638] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  266.344539] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  266.352244] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  266.359508] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  266.366769] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  266.374083] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.381365] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  266.388667]  skb_clone+0x1bb/0x500
[  266.392210]  ? finish_task_switch+0x2f5/0x900
[  266.396704]  ? skb_split+0x11e0/0x11e0
[  266.400588]  ? preempt_notifier_register+0x200/0x200
[  266.405702]  ? __switch_to_asm+0x34/0x70
[  266.409776]  ? __switch_to_asm+0x34/0x70
[  266.413855]  ? __switch_to_asm+0x40/0x70
[  266.417911]  ? __switch_to_asm+0x34/0x70
[  266.421971]  ? __switch_to_asm+0x40/0x70
[  266.426040]  ? __switch_to_asm+0x34/0x70
[  266.430096]  ? __switch_to_asm+0x40/0x70
[  266.434157]  ? __switch_to_asm+0x34/0x70
[  266.438222]  ? __switch_to_asm+0x34/0x70
[  266.442313]  ? __switch_to_asm+0x40/0x70
[  266.446380]  ? __switch_to_asm+0x34/0x70
[  266.450445]  bpf_clone_redirect+0xb9/0x490
[  266.454680]  ? __schedule+0x874/0x1ed0
[  266.458575]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  266.463593]  ? __sched_text_start+0x8/0x8
[  266.467739]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.472507]  ? find_held_lock+0x36/0x1c0
[  266.476572]  ? lock_acquire+0x1ed/0x520
[  266.480546]  ? bpf_test_run+0x32e/0x5a0
[  266.484520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.490061]  ? check_preemption_disabled+0x48/0x200
[  266.495085]  ? kasan_check_read+0x11/0x20
[  266.499238]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.504519]  ? rcu_bh_qs+0xc0/0xc0
[  266.508060]  ? preempt_schedule+0x4d/0x60
[  266.512206]  ? ___preempt_schedule+0x16/0x18
[  266.516626]  ? bpf_test_run+0x1c0/0x5a0
[  266.520613]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.525025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.530557]  ? bpf_test_init.isra.9+0x70/0x100
[  266.535145]  ? bpf_prog_test_run_skb+0x634/0xb40
[  266.539906]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.544744]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.550281]  ? fput+0x130/0x1a0
[  266.553563]  ? __bpf_prog_get+0x9b/0x290
[  266.557627]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.562466]  ? bpf_prog_test_run+0x130/0x1a0
[  266.566878]  ? __x64_sys_bpf+0x3d8/0x510
[  266.570940]  ? bpf_prog_get+0x20/0x20
[  266.574745]  ? ksys_ioctl+0x81/0xd0
[  266.578381]  ? do_syscall_64+0x1b9/0x820
[  266.582482]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.587845]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.592779]  ? trace_hardirqs_off+0x300/0x300
[  266.597284]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.602312]  ? recalc_sigpending_tsk+0x180/0x180
[  266.607068]  ? kasan_check_write+0x14/0x20
[  266.611307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.616165]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.621551] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  266.621647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.628476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.628481] Call Trace:
[  266.628488]  <IRQ>
[  266.628504]  dump_stack+0x1c4/0x2b4
[  266.628520]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.628547]  warn_alloc.cold.118+0xb7/0x1bd
[  266.635103] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.644361]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.646936] syz-executor2 cpuset=
[  266.649077]  ? lock_downgrade+0x900/0x900
[  266.652678] syz2
[  266.657864]  ? trace_hardirqs_off+0xb8/0x300
[  266.662158]  mems_allowed=0
[  266.672634]  ? trace_hardirqs_off+0xb8/0x300
[  266.698681]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.703551]  ? warn_alloc+0x120/0x120
[  266.707360]  ? warn_alloc+0x120/0x120
[  266.711165]  ? print_usage_bug+0xc0/0xc0
[  266.715227]  ? warn_alloc+0x120/0x120
[  266.719025]  ? print_usage_bug+0xc0/0xc0
[  266.723085]  ? __lock_acquire+0x7ec/0x4ec0
[  266.727316]  ? __lock_acquire+0x7ec/0x4ec0
[  266.731553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.737095]  ? should_fail+0x22d/0xd01
[  266.740985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.746088]  ? __lock_acquire+0x7ec/0x4ec0
[  266.750329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.755431]  ? __lock_acquire+0x7ec/0x4ec0
[  266.759664]  ? should_fail+0x22d/0xd01
[  266.763563]  ? mark_held_locks+0x130/0x130
[  266.767817]  ? mark_held_locks+0x130/0x130
[  266.772051]  ? graph_lock+0x170/0x170
[  266.775850]  ? graph_lock+0x170/0x170
[  266.779655]  ? graph_lock+0x170/0x170
[  266.783472]  ? print_usage_bug+0xc0/0xc0
[  266.787562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.793096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.798632]  ? check_preemption_disabled+0x48/0x200
[  266.803645]  ? check_preemption_disabled+0x48/0x200
[  266.808671]  ? __lock_is_held+0xb5/0x140
[  266.812735]  __alloc_pages_nodemask+0xa80/0xde0
[  266.817407]  ? graph_lock+0x170/0x170
[  266.821215]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.826229]  ? graph_lock+0x170/0x170
[  266.830043]  ? find_held_lock+0x36/0x1c0
[  266.834116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.838793]  ? lock_downgrade+0x900/0x900
[  266.842954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.848513]  cache_grow_begin+0x91/0x8c0
[  266.852574]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.856994]  fallback_alloc+0x203/0x2e0
[  266.860973]  ____cache_alloc_node+0x1c7/0x1e0
[  266.865472]  kmem_cache_alloc_node+0xe3/0x730
[  266.870000]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.874246]  __alloc_skb+0x119/0x770
[  266.877961]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.883239]  ? skb_scrub_packet+0x490/0x490
[  266.887560]  ? lock_downgrade+0x900/0x900
[  266.891713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.897247]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.902731]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.908183]  ? addrconf_rs_timer+0x6f0/0x6f0
[  266.912606]  ndisc_alloc_skb+0x144/0x340
[  266.916671]  ndisc_send_rs+0x331/0x6e0
[  266.920565]  addrconf_rs_timer+0x3c0/0x6f0
[  266.924821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.929073]  call_timer_fn+0x272/0x920
[  266.932962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.937199]  ? process_timeout+0x40/0x40
[  266.941259]  ? find_held_lock+0x36/0x1c0
[  266.945330]  ? mark_held_locks+0xc7/0x130
[  266.949485]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.953979]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.958476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.962709]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  266.967293]  ? trace_hardirqs_on+0xbd/0x310
[  266.971619]  ? kasan_check_read+0x11/0x20
[  266.975769]  ? __run_timers+0x7da/0xc70
[  266.979757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.985222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.989465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.993697]  __run_timers+0x7e5/0xc70
[  266.997514]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.002879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.007893]  ? graph_lock+0x170/0x170
[  267.011698]  ? print_usage_bug+0xc0/0xc0
[  267.015757]  ? lock_release+0x970/0x970
[  267.019741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.024936]  ? find_held_lock+0x36/0x1c0
[  267.029004]  ? graph_lock+0x170/0x170
[  267.032824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.038369]  ? check_preemption_disabled+0x48/0x200
[  267.043394]  ? __lock_is_held+0xb5/0x140
[  267.047456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.052997]  ? check_preemption_disabled+0x48/0x200
[  267.058018]  run_timer_softirq+0x52/0xb0
[  267.062082]  ? rcu_read_lock_sched_held+0x108/0x120
[  267.067099]  __do_softirq+0x30b/0xad8
[  267.070912]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.076477]  ? pvclock_read_flags+0x160/0x160
[  267.080971]  ? lapic_next_event+0x5a/0x90
[  267.085119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.090659]  ? check_preemption_disabled+0x48/0x200
[  267.095676]  ? check_preemption_disabled+0x48/0x200
[  267.100701]  ? kvm_clock_read+0x18/0x30
[  267.104673]  ? kvm_sched_clock_read+0x9/0x20
[  267.109081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.114620]  ? check_preemption_disabled+0x48/0x200
[  267.119649]  irq_exit+0x17f/0x1c0
[  267.123107]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.127954]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.133842]  ? interrupt_entry+0xb5/0xf0
[  267.137907]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.142926]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.147947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.152800]  ? trace_hardirqs_off+0x300/0x300
[  267.157302]  ? trace_hardirqs_off+0x300/0x300
[  267.161816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.167358]  ? check_preemption_disabled+0x48/0x200
[  267.172375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.177920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.182772]  apic_timer_interrupt+0xf/0x20
[  267.187014]  </IRQ>
[  267.189255] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  267.194534] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  267.213654] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  267.221380] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  267.228647] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  267.235909] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  267.243176] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  267.250442] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  267.257727]  ? arch_local_irq_restore+0x45/0x52
[  267.262404]  dump_stack+0x26a/0x2b4
[  267.266035]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.271230]  ? mark_held_locks+0x130/0x130
[  267.275463]  ? mark_held_locks+0x130/0x130
[  267.279701]  dump_header+0x27b/0xf72
[  267.283431]  ? pagefault_out_of_memory+0x197/0x197
[  267.288367]  ? mark_held_locks+0x130/0x130
[  267.292601]  ? __lock_acquire+0x7ec/0x4ec0
[  267.296841]  ? mem_cgroup_charge_statistics+0x780/0x780
[  267.302205]  ? print_usage_bug+0xc0/0xc0
[  267.306263]  ? print_usage_bug+0xc0/0xc0
[  267.310332]  ? graph_lock+0x170/0x170
[  267.314132]  ? graph_lock+0x170/0x170
[  267.317936]  ? print_usage_bug+0xc0/0xc0
[  267.321992]  ? print_usage_bug+0xc0/0xc0
[  267.326062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.331604]  ? find_held_lock+0x36/0x1c0
[  267.335675]  ? mark_held_locks+0xc7/0x130
[  267.339832]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.344938]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.350042]  ? lockdep_hardirqs_on+0x421/0x5c0
[  267.354623]  ? trace_hardirqs_on+0xbd/0x310
[  267.358944]  ? kasan_check_read+0x11/0x20
[  267.363096]  ? ___ratelimit+0x36f/0x655
[  267.367072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.372524]  ? trace_hardirqs_on+0x310/0x310
[  267.376931]  ? lock_downgrade+0x900/0x900
[  267.381085]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.386188]  ? ___ratelimit+0xaa/0x655
[  267.390082]  ? idr_get_free+0xec0/0xec0
[  267.394055]  ? kasan_check_write+0x14/0x20
[  267.398292]  ? do_raw_spin_lock+0xc1/0x200
[  267.402537]  oom_kill_process.cold.27+0x10/0x903
[  267.407294]  ? graph_lock+0x170/0x170
[  267.411091]  ? _raw_spin_unlock+0x2c/0x50
[  267.417061]  ? oom_badness+0xe6/0xaa0
[  267.420887]  ? oom_evaluate_task+0x540/0x540
[  267.425298]  ? find_held_lock+0x36/0x1c0
[  267.429370]  ? out_of_memory+0x974/0x14c0
[  267.433523]  ? lock_downgrade+0x900/0x900
[  267.437677]  ? check_preemption_disabled+0x48/0x200
[  267.442700]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.448520]  ? kasan_check_read+0x11/0x20
[  267.452668]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.457946]  ? rcu_bh_qs+0xc0/0xc0
[  267.461494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.466511]  ? oom_evaluate_task+0x302/0x540
[  267.470926]  out_of_memory+0xa86/0x14c0
[  267.474912]  ? oom_killer_disable+0x3a0/0x3a0
[  267.479410]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  267.484344]  ? __mutex_add_waiter+0x2a0/0x2a0
[  267.488857]  __alloc_pages_slowpath+0x2318/0x2d80
[  267.493732]  ? warn_alloc+0x120/0x120
[  267.497550]  ? find_get_entry+0x2f2/0xc40
[  267.501709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.507261]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  267.512222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.517760]  ? should_fail+0x22d/0xd01
[  267.521656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.526758]  ? __lock_is_held+0xb5/0x140
[  267.530942]  ? __lock_is_held+0xb5/0x140
[  267.535009]  ? find_held_lock+0x36/0x1c0
[  267.539077]  ? ___might_sleep+0x1ed/0x300
[  267.543223]  ? lock_release+0x970/0x970
[  267.547216]  ? arch_local_save_flags+0x40/0x40
[  267.551823]  ? __might_sleep+0x95/0x190
[  267.555828]  __alloc_pages_nodemask+0xa80/0xde0
[  267.560509]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.565527]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.571325]  ? kasan_check_read+0x11/0x20
[  267.575479]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.580761]  ? graph_lock+0x170/0x170
[  267.584625]  ? print_usage_bug+0xc0/0xc0
[  267.588688]  ? graph_lock+0x170/0x170
[  267.592485]  ? graph_lock+0x170/0x170
[  267.596295]  ? __do_page_cache_readahead+0x7ce/0x980
[  267.601407]  ? find_held_lock+0x36/0x1c0
[  267.605473]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.611013]  alloc_pages_current+0x10c/0x210
[  267.615423]  ? lock_downgrade+0x900/0x900
[  267.619577]  __page_cache_alloc+0x38f/0x5b0
[  267.623912]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.629709]  ? kasan_check_read+0x11/0x20
[  267.633859]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.639136]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  267.643823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.649368]  ? check_preemption_disabled+0x48/0x200
[  267.654397]  filemap_fault+0x1594/0x25f0
[  267.658471]  ? __lock_page_or_retry+0xa00/0xa00
[  267.663139]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.668935]  ? kasan_check_read+0x11/0x20
[  267.673087]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.678364]  ? rcu_bh_qs+0xc0/0xc0
[  267.681920]  ? filemap_map_pages+0xdea/0x1980
[  267.686424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.691562]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  267.696837]  ? debug_object_free+0x325/0x690
[  267.701248]  ? find_get_pages_range_tag+0x1320/0x1320
[  267.706444]  ? graph_lock+0x170/0x170
[  267.710284]  ? kasan_check_read+0x11/0x20
[  267.714465]  ? debug_object_destroy+0x2b0/0x2b0
[  267.719144]  ? lock_acquire+0x1ed/0x520
[  267.723121]  ? ext4_filemap_fault+0x7a/0xad
[  267.727449]  ? lock_release+0x970/0x970
[  267.731458]  ? arch_local_save_flags+0x40/0x40
[  267.736062]  ? futex_wait_setup+0x3e0/0x3e0
[  267.740394]  ? down_read+0xb0/0x1d0
[  267.744014]  ? ext4_filemap_fault+0x7a/0xad
[  267.748357]  ? __down_interruptible+0x700/0x700
[  267.753043]  ext4_filemap_fault+0x82/0xad
[  267.757199]  __do_fault+0x100/0x6b0
[  267.760836]  ? print_bad_pte+0x6c0/0x6c0
[  267.764897]  ? do_futex+0x249/0x26d0
[  267.768629]  ? pmd_val+0x88/0x100
[  267.772082]  ? add_mm_counter_fast+0xd0/0xd0
[  267.776487]  ? pmd_val+0x88/0x100
[  267.779941]  ? add_mm_counter_fast+0xd0/0xd0
[  267.784358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.789900]  __handle_mm_fault+0x3709/0x53e0
[  267.794336]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  267.799182]  ? graph_lock+0x170/0x170
[  267.802983]  ? print_usage_bug+0xc0/0xc0
[  267.807046]  ? graph_lock+0x170/0x170
[  267.810848]  ? graph_lock+0x170/0x170
[  267.814679]  ? handle_mm_fault+0x42a/0xc70
[  267.818915]  ? lock_downgrade+0x900/0x900
[  267.823081]  ? check_preemption_disabled+0x48/0x200
[  267.828106]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.833906]  ? kasan_check_read+0x11/0x20
[  267.838053]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.843348]  ? rcu_bh_qs+0xc0/0xc0
[  267.846892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.852342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.857879]  ? check_preemption_disabled+0x48/0x200
[  267.862902]  handle_mm_fault+0x54f/0xc70
[  267.866967]  ? __handle_mm_fault+0x53e0/0x53e0
[  267.871557]  ? find_vma+0x34/0x190
[  267.875102]  __do_page_fault+0x67d/0xed0
[  267.879173]  ? mm_fault_error+0x380/0x380
[  267.883320]  ? trace_hardirqs_off+0xb8/0x300
[  267.887730]  ? trace_hardirqs_on+0x310/0x310
[  267.892158]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.897609]  ? trace_hardirqs_on+0x310/0x310
[  267.902043]  do_page_fault+0xf2/0x7e0
[  267.905864]  ? vmalloc_sync_all+0x30/0x30
[  267.910016]  ? error_entry+0x70/0xd0
[  267.913733]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.918748]  ? trace_hardirqs_on_caller+0xc0/0x300
[  267.923679]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.928609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.933451]  ? trace_hardirqs_off+0x300/0x300
[  267.937945]  ? trace_hardirqs_off_caller+0x300/0x300
[  267.943051]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.948066]  ? page_fault+0x8/0x30
[  267.951611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.956461]  ? page_fault+0x8/0x30
[  267.960004]  page_fault+0x1e/0x30
[  267.963456] RIP: 0033:0x40f9c0
[  267.966649] Code: Bad RIP value.
[  267.970012] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  267.975382] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  267.982658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  267.990028] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  267.997293] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  268.004563] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  268.011856] warn_alloc_show_mem: 1 callbacks suppressed
[  268.011868] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  268.011870] Mem-Info:
[  268.011902] active_anon:52539 inactive_anon:923 isolated_anon:0
[  268.011902]  active_file:16 inactive_file:19 isolated_file:0
[  268.011902]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.011902]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  268.011902]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  268.011902]  free:13650 free_pcp:205 free_cma:0
[  268.017235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.017244] Call Trace:
[  268.024527] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.026923]  <IRQ>
[  268.059897] Node 0 
[  268.069251]  dump_stack+0x1c4/0x2b4
[  268.071840] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.099565]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.101686] lowmem_reserve[]:
[  268.103932]  warn_alloc.cold.118+0xb7/0x1bd
[  268.107519]  0 2817
[  268.133024]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.138186]  6321
[  268.141286]  ? lock_downgrade+0x900/0x900
[  268.145579]  6321
[  268.147907]  ? trace_hardirqs_off+0xb8/0x300
[  268.152719] Node 0 
[  268.154777]  ? trace_hardirqs_off+0xb8/0x300
[  268.158929] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.160970]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.165347] lowmem_reserve[]:
[  268.167602]  ? warn_alloc+0x120/0x120
[  268.171959]  0
[  268.198947]  ? trace_hardirqs_on+0x310/0x310
[  268.203763]  0
[  268.206869]  ? warn_alloc+0x120/0x120
[  268.210642]  3503
[  268.212440]  ? print_usage_bug+0xc0/0xc0
[  268.216835]  3503
[  268.218635]  ? warn_alloc+0x120/0x120
[  268.222412] Node 0 
[  268.224473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  268.228534] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  268.230567]  ? print_usage_bug+0xc0/0xc0
[  268.234337] lowmem_reserve[]: 0
[  268.236576]  ? __lock_acquire+0x7ec/0x4ec0
[  268.241564]  0
[  268.269943]  ? __lock_acquire+0x7ec/0x4ec0
[  268.273980]  0
[  268.277256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.281455]  0
[  268.283254]  ? should_fail+0x22d/0xd01
[  268.287459] Node 0 
[  268.289258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.294763] DMA: 1*4kB 
[  268.296575]  ? __lock_acquire+0x7ec/0x4ec0
[  268.300436] (U) 
[  268.302668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.307738] 0*8kB 0*16kB 
[  268.310326]  ? __lock_acquire+0x7ec/0x4ec0
[  268.314530] 1*32kB (U) 
[  268.316510]  ? should_fail+0x22d/0xd01
[  268.321604] 2*64kB 
[  268.324356]  ? print_usage_bug+0xc0/0xc0
[  268.328564] (U) 
[  268.331147]  ? mark_held_locks+0x130/0x130
[  268.335002] 1*128kB 
[  268.337235]  ? mark_held_locks+0x130/0x130
[  268.341271] (U) 
[  268.343245]  ? graph_lock+0x170/0x170
[  268.347446] 1*256kB (U) 
[  268.349772]  ? print_usage_bug+0xc0/0xc0
[  268.353992] 0*512kB 
[  268.355967]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.359738] 1*1024kB 
[  268.362405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.366436] (U) 
[  268.368759]  ? check_preemption_disabled+0x48/0x200
[  268.373487] 1*2048kB 
[  268.375894]  ? check_preemption_disabled+0x48/0x200
[  268.381401] (M) 
[  268.383378]  ? __lock_is_held+0xb5/0x140
[  268.388362] 3*4096kB 
[  268.390770]  __alloc_pages_nodemask+0xa80/0xde0
[  268.395757] (M) 
[  268.397726]  ? graph_lock+0x170/0x170
[  268.401760] = 15908kB
[  268.404163]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.408817] Node 0 
[  268.410778]  ? graph_lock+0x170/0x170
[  268.414555] DMA32: 2*4kB 
[  268.416978]  ? find_held_lock+0x36/0x1c0
[  268.421964] (M) 
[  268.424203]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.427979] 1*8kB 
[  268.430732]  ? lock_downgrade+0x900/0x900
[  268.434769] (U) 
[  268.436752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.441387] 4*16kB (UM) 
[  268.443543]  cache_grow_begin+0x91/0x8c0
[  268.447661] 2*32kB 
[  268.449629]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.455135] (UM) 
[  268.457817]  fallback_alloc+0x203/0x2e0
[  268.461847] 3*64kB (UM) 
[  268.464092]  ____cache_alloc_node+0x1c7/0x1e0
[  268.468465] 4*128kB (UM) 
[  268.470532]  kmem_cache_alloc_node+0xe3/0x730
[  268.474473] 2*256kB (M) 
[  268.477147]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.481614] 4*512kB 
[  268.484372]  __alloc_skb+0x119/0x770
[  268.488838] (UM) 
[  268.491506]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.495713] 3*1024kB 
[  268.498029]  ? skb_scrub_packet+0x490/0x490
[  268.501712] (M) 
[  268.503771]  ? lock_downgrade+0x900/0x900
[  268.509017] 1*2048kB (M) 
[  268.511433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.515718] 4*4096kB (M) 
[  268.517700]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.521825] = 24912kB
[  268.524580]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.530091] Node 0 
[  268.532851]  ? addrconf_rs_timer+0x6f0/0x6f0
[  268.538267] Normal: 2389*4kB 
[  268.540695]  ndisc_alloc_skb+0x144/0x340
[  268.546107] (UME) 
[  268.548346]  ndisc_send_rs+0x331/0x6e0
[  268.552717] 378*8kB (UME) 
[  268.555834]  addrconf_rs_timer+0x3c0/0x6f0
[  268.559865] 73*16kB (UM) 
[  268.562020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.565882] 1*32kB 
[  268.568730]  call_timer_fn+0x272/0x920
[  268.572928] (U) 
[  268.575678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.579885] 0*64kB 
[  268.582118]  ? process_timeout+0x40/0x40
[  268.585975] 0*128kB 
[  268.587946]  ? find_held_lock+0x36/0x1c0
[  268.592152] 0*256kB 
[  268.594388]  ? __run_timers+0x7da/0xc70
[  268.598418] 0*512kB 
[  268.600740]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.604777] 0*1024kB 
[  268.607099]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.611045] 0*2048kB 0*4096kB 
[  268.613375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.617845] = 13780kB
[  268.620247]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  268.624720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.627896]  ? trace_hardirqs_on+0xbd/0x310
[  268.632110] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.634508]  ? kasan_check_read+0x11/0x20
[  268.639065] 4510 total pagecache pages
[  268.647890]  ? __run_timers+0x7da/0xc70
[  268.652190] 0 pages in swap cache
[  268.660750]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.664877] Swap cache stats: add 0, delete 0, find 0/0
[  268.668758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.672712] Free swap  = 0kB
[  268.676161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.681582] Total swap = 0kB
[  268.686940]  __run_timers+0x7e5/0xc70
[  268.691146] 1965979 pages RAM
[  268.694164]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.698361] 0 pages HighMem/MovableOnly
[  268.698369] 342744 pages reserved
[  268.701383]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.705156] 0 pages cma reserved
[  268.708284]  ? rcu_bh_qs+0xc0/0xc0
[  268.713732] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.717592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.721077] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.726289]  ? check_preemption_disabled+0x48/0x200
[  268.729628] syz-fuzzer cpuset=
[  268.733166]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.739628] /
[  268.745158]  ? retint_kernel+0x2d/0x2d
[  268.755359]  mems_allowed=0
[  268.760365]  ? trace_hardirqs_on_caller+0xc0/0x300
[  268.781703]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.786489]  ? trace_hardirqs_off_caller+0x300/0x300
[  268.791599]  ? check_preemption_disabled+0x48/0x200
[  268.796629]  ? graph_lock+0x170/0x170
[  268.800434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.805972]  ? check_preemption_disabled+0x48/0x200
[  268.811018]  ? __lock_is_held+0xb5/0x140
[  268.815080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.820622]  ? check_preemption_disabled+0x48/0x200
[  268.825646]  run_timer_softirq+0x52/0xb0
[  268.829712]  ? rcu_read_lock_sched_held+0x108/0x120
[  268.834738]  __do_softirq+0x30b/0xad8
[  268.838550]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.843658]  ? pvclock_read_flags+0x160/0x160
[  268.848171]  ? lapic_next_event+0x5a/0x90
[  268.852325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.857867]  ? check_preemption_disabled+0x48/0x200
[  268.862882]  ? check_preemption_disabled+0x48/0x200
[  268.867904]  ? kvm_clock_read+0x18/0x30
[  268.871883]  ? kvm_sched_clock_read+0x9/0x20
[  268.876292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.881839]  ? check_preemption_disabled+0x48/0x200
[  268.886872]  irq_exit+0x17f/0x1c0
[  268.890335]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.895176]  ? smp_reschedule_interrupt+0x109/0x650
[  268.900194]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.906081]  ? interrupt_entry+0xb5/0xf0
[  268.910142]  ? trace_hardirqs_off_caller+0xbb/0x300
[  268.915155]  ? trace_hardirqs_off_caller+0xbb/0x300
[  268.920172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.925018]  ? trace_hardirqs_off+0x300/0x300
[  268.929520]  ? trace_hardirqs_off+0x300/0x300
[  268.934018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.939560]  ? check_preemption_disabled+0x48/0x200
[  268.944576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.950120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.954977]  apic_timer_interrupt+0xf/0x20
[  268.959203]  </IRQ>
[  268.961456] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  268.966387] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  268.985285] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  268.993000] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.000285] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  269.007558] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  269.014824] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.022120] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  269.029429]  skb_clone+0x1bb/0x500
[  269.032971]  ? finish_task_switch+0x2f5/0x900
[  269.037468]  ? skb_split+0x11e0/0x11e0
[  269.041384]  ? preempt_notifier_register+0x200/0x200
[  269.046596]  ? __switch_to_asm+0x34/0x70
[  269.050659]  ? __switch_to_asm+0x34/0x70
[  269.054720]  ? __switch_to_asm+0x40/0x70
[  269.058777]  ? __switch_to_asm+0x34/0x70
[  269.062844]  ? __switch_to_asm+0x40/0x70
[  269.066903]  ? __switch_to_asm+0x34/0x70
[  269.070962]  ? __switch_to_asm+0x40/0x70
[  269.075226]  ? __switch_to_asm+0x34/0x70
[  269.079288]  ? __switch_to_asm+0x34/0x70
[  269.083352]  ? __switch_to_asm+0x40/0x70
[  269.087410]  ? __switch_to_asm+0x34/0x70
[  269.091477]  bpf_clone_redirect+0xb9/0x490
[  269.095713]  ? __schedule+0x874/0x1ed0
[  269.099604]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  269.104624]  ? __sched_text_start+0x8/0x8
[  269.108777]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.113555]  ? find_held_lock+0x36/0x1c0
[  269.117628]  ? lock_acquire+0x1ed/0x520
[  269.121605]  ? bpf_test_run+0x32e/0x5a0
[  269.125580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.131126]  ? check_preemption_disabled+0x48/0x200
[  269.136149]  ? kasan_check_read+0x11/0x20
[  269.140303]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.145591]  ? rcu_bh_qs+0xc0/0xc0
[  269.149137]  ? preempt_schedule+0x4d/0x60
[  269.153285]  ? ___preempt_schedule+0x16/0x18
[  269.157709]  ? bpf_test_run+0x1c0/0x5a0
[  269.161697]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.166112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.171647]  ? bpf_test_init.isra.9+0x70/0x100
[  269.176232]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.180994]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.185836]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.191371]  ? fput+0x130/0x1a0
[  269.194655]  ? __bpf_prog_get+0x9b/0x290
[  269.198722]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.203560]  ? bpf_prog_test_run+0x130/0x1a0
[  269.208449]  ? __x64_sys_bpf+0x3d8/0x510
[  269.212512]  ? bpf_prog_get+0x20/0x20
[  269.216326]  ? ksys_ioctl+0x81/0xd0
[  269.219969]  ? do_syscall_64+0x1b9/0x820
[  269.224033]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.229400]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.234341]  ? trace_hardirqs_off+0x300/0x300
[  269.238841]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.243856]  ? recalc_sigpending_tsk+0x180/0x180
[  269.248613]  ? kasan_check_write+0x14/0x20
[  269.252872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.257725]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.263106] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  269.263178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.270032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.270040] Call Trace:
[  269.276651] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.285871]  <IRQ>
[  269.288441] syz-executor2 cpuset=
[  269.298919]  dump_stack+0x1c4/0x2b4
[  269.301042] syz2
[  269.304489]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.308096]  mems_allowed=0
[  269.310073]  warn_alloc.cold.118+0xb7/0x1bd
[  269.322460]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.327304]  ? lock_downgrade+0x900/0x900
[  269.331506]  ? trace_hardirqs_off+0xb8/0x300
[  269.335935]  ? trace_hardirqs_off+0xb8/0x300
[  269.340358]  __alloc_pages_slowpath+0x2667/0x2d80
[  269.345229]  ? warn_alloc+0x120/0x120
[  269.349050]  ? graph_lock+0x170/0x170
[  269.352870]  ? warn_alloc+0x120/0x120
[  269.356675]  ? print_usage_bug+0xc0/0xc0
[  269.360740]  ? warn_alloc+0x120/0x120
[  269.364543]  ? print_usage_bug+0xc0/0xc0
[  269.368608]  ? __lock_acquire+0x7ec/0x4ec0
[  269.372847]  ? __lock_acquire+0x7ec/0x4ec0
[  269.377087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.382628]  ? should_fail+0x22d/0xd01
[  269.386519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.391626]  ? __lock_acquire+0x7ec/0x4ec0
[  269.395869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.400993]  ? __lock_acquire+0x7ec/0x4ec0
[  269.405228]  ? should_fail+0x22d/0xd01
[  269.409129]  ? mark_held_locks+0x130/0x130
[  269.413370]  ? mark_held_locks+0x130/0x130
[  269.417607]  ? graph_lock+0x170/0x170
[  269.421410]  ? graph_lock+0x170/0x170
[  269.425210]  ? graph_lock+0x170/0x170
[  269.429011]  ? print_usage_bug+0xc0/0xc0
[  269.433077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.438618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.444160]  ? check_preemption_disabled+0x48/0x200
[  269.449175]  ? check_preemption_disabled+0x48/0x200
[  269.454201]  ? __lock_is_held+0xb5/0x140
[  269.458282]  __alloc_pages_nodemask+0xa80/0xde0
[  269.462981]  ? graph_lock+0x170/0x170
[  269.466797]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.471827]  ? graph_lock+0x170/0x170
[  269.475649]  ? find_held_lock+0x36/0x1c0
[  269.479725]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.484394]  ? lock_downgrade+0x900/0x900
[  269.488552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.494095]  cache_grow_begin+0x91/0x8c0
[  269.498159]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.502577]  fallback_alloc+0x203/0x2e0
[  269.506559]  ____cache_alloc_node+0x1c7/0x1e0
[  269.511059]  kmem_cache_alloc_node+0xe3/0x730
[  269.515556]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.519807]  __alloc_skb+0x119/0x770
[  269.523532]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.528829]  ? skb_scrub_packet+0x490/0x490
[  269.533152]  ? lock_downgrade+0x900/0x900
[  269.537325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.542879]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.548357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.553818]  ? addrconf_rs_timer+0x6f0/0x6f0
[  269.558244]  ndisc_alloc_skb+0x144/0x340
[  269.562313]  ndisc_send_rs+0x331/0x6e0
[  269.566205]  addrconf_rs_timer+0x3c0/0x6f0
[  269.570450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.574700]  call_timer_fn+0x272/0x920
[  269.578589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.582833]  ? process_timeout+0x40/0x40
[  269.586894]  ? find_held_lock+0x36/0x1c0
[  269.590967]  ? mark_held_locks+0xc7/0x130
[  269.595116]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.599609]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.604102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.608338]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  269.612941]  ? trace_hardirqs_on+0xbd/0x310
[  269.617264]  ? kasan_check_read+0x11/0x20
[  269.621412]  ? __run_timers+0x7da/0xc70
[  269.625386]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.630853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.635094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.639332]  __run_timers+0x7e5/0xc70
[  269.643149]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.648528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.653545]  ? graph_lock+0x170/0x170
[  269.657352]  ? print_usage_bug+0xc0/0xc0
[  269.661442]  ? lock_release+0x970/0x970
[  269.665420]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.670616]  ? find_held_lock+0x36/0x1c0
[  269.674698]  ? graph_lock+0x170/0x170
[  269.678506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.684045]  ? check_preemption_disabled+0x48/0x200
[  269.689074]  ? __lock_is_held+0xb5/0x140
[  269.693135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.698676]  ? check_preemption_disabled+0x48/0x200
[  269.703700]  run_timer_softirq+0x52/0xb0
[  269.707759]  ? rcu_read_lock_sched_held+0x108/0x120
[  269.712797]  __do_softirq+0x30b/0xad8
[  269.716633]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.721755]  ? pvclock_read_flags+0x160/0x160
[  269.726269]  ? lapic_next_event+0x5a/0x90
[  269.730418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.735955]  ? check_preemption_disabled+0x48/0x200
[  269.740972]  ? check_preemption_disabled+0x48/0x200
[  269.745994]  ? kvm_clock_read+0x18/0x30
[  269.749969]  ? kvm_sched_clock_read+0x9/0x20
[  269.754381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.759917]  ? check_preemption_disabled+0x48/0x200
[  269.764962]  irq_exit+0x17f/0x1c0
[  269.768418]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.773277]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.779163]  ? interrupt_entry+0xb5/0xf0
[  269.783228]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.788243]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.793264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.798106]  ? trace_hardirqs_off+0x300/0x300
[  269.802600]  ? trace_hardirqs_off+0x300/0x300
[  269.807095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.812638]  ? check_preemption_disabled+0x48/0x200
[  269.817681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.823225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.828079]  apic_timer_interrupt+0xf/0x20
[  269.832318]  </IRQ>
[  269.834573] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  269.839848] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  269.858748] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  269.866466] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  269.873825] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  269.881094] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  269.888366] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  269.895680] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  269.902968]  ? arch_local_irq_restore+0x45/0x52
[  269.907647]  dump_stack+0x26a/0x2b4
[  269.911279]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.916475]  ? mark_held_locks+0x130/0x130
[  269.920710]  ? mark_held_locks+0x130/0x130
[  269.924968]  dump_header+0x27b/0xf72
[  269.928693]  ? pagefault_out_of_memory+0x197/0x197
[  269.933629]  ? mark_held_locks+0x130/0x130
[  269.937867]  ? __lock_acquire+0x7ec/0x4ec0
[  269.942106]  ? mem_cgroup_charge_statistics+0x780/0x780
[  269.947473]  ? print_usage_bug+0xc0/0xc0
[  269.951536]  ? print_usage_bug+0xc0/0xc0
[  269.955605]  ? graph_lock+0x170/0x170
[  269.959401]  ? graph_lock+0x170/0x170
[  269.963203]  ? print_usage_bug+0xc0/0xc0
[  269.967260]  ? print_usage_bug+0xc0/0xc0
[  269.971361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.976907]  ? find_held_lock+0x36/0x1c0
[  269.980977]  ? mark_held_locks+0xc7/0x130
[  269.985132]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.990233]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.995338]  ? lockdep_hardirqs_on+0x421/0x5c0
[  269.999924]  ? trace_hardirqs_on+0xbd/0x310
[  270.004249]  ? kasan_check_read+0x11/0x20
[  270.008486]  ? ___ratelimit+0x36f/0x655
[  270.012461]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.017911]  ? trace_hardirqs_on+0x310/0x310
[  270.022319]  ? lock_downgrade+0x900/0x900
[  270.026488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.031594]  ? ___ratelimit+0xaa/0x655
[  270.035484]  ? idr_get_free+0xec0/0xec0
[  270.039463]  ? kasan_check_write+0x14/0x20
[  270.043698]  ? do_raw_spin_lock+0xc1/0x200
[  270.047940]  oom_kill_process.cold.27+0x10/0x903
[  270.052741]  ? graph_lock+0x170/0x170
[  270.056538]  ? _raw_spin_unlock+0x2c/0x50
[  270.060683]  ? oom_badness+0xe6/0xaa0
[  270.064488]  ? oom_evaluate_task+0x540/0x540
[  270.068900]  ? find_held_lock+0x36/0x1c0
[  270.072968]  ? out_of_memory+0x974/0x14c0
[  270.077115]  ? lock_downgrade+0x900/0x900
[  270.081266]  ? check_preemption_disabled+0x48/0x200
[  270.086291]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  270.092105]  ? kasan_check_read+0x11/0x20
[  270.096277]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.101572]  ? rcu_bh_qs+0xc0/0xc0
[  270.105119]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.110197]  ? oom_evaluate_task+0x302/0x540
[  270.114610]  out_of_memory+0xa86/0x14c0
[  270.118595]  ? oom_killer_disable+0x3a0/0x3a0
[  270.123093]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  270.128030]  ? __mutex_add_waiter+0x2a0/0x2a0
[  270.132536]  __alloc_pages_slowpath+0x2318/0x2d80
[  270.137410]  ? warn_alloc+0x120/0x120
[  270.141224]  ? find_get_entry+0x2f2/0xc40
[  270.145382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.151009]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  270.155940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.161481]  ? should_fail+0x22d/0xd01
[  270.165400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.170503]  ? __lock_is_held+0xb5/0x140
[  270.174595]  ? __lock_is_held+0xb5/0x140
[  270.178662]  ? find_held_lock+0x36/0x1c0
[  270.182730]  ? ___might_sleep+0x1ed/0x300
[  270.186876]  ? lock_release+0x970/0x970
[  270.190856]  ? arch_local_save_flags+0x40/0x40
[  270.195450]  ? __might_sleep+0x95/0x190
[  270.199432]  __alloc_pages_nodemask+0xa80/0xde0
[  270.204107]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.209126]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  270.214925]  ? kasan_check_read+0x11/0x20
[  270.219075]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.224355]  ? graph_lock+0x170/0x170
[  270.228156]  ? print_usage_bug+0xc0/0xc0
[  270.232224]  ? graph_lock+0x170/0x170
[  270.236024]  ? graph_lock+0x170/0x170
[  270.239834]  ? __do_page_cache_readahead+0x7ce/0x980
[  270.244943]  ? find_held_lock+0x36/0x1c0
[  270.249013]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.254573]  alloc_pages_current+0x10c/0x210
[  270.258982]  ? lock_downgrade+0x900/0x900
[  270.263135]  __page_cache_alloc+0x38f/0x5b0
[  270.267458]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  270.273256]  ? kasan_check_read+0x11/0x20
[  270.277426]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.282710]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  270.287380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.292918]  ? check_preemption_disabled+0x48/0x200
[  270.297943]  filemap_fault+0x1594/0x25f0
[  270.302019]  ? __lock_page_or_retry+0xa00/0xa00
[  270.306690]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  270.312488]  ? kasan_check_read+0x11/0x20
[  270.316642]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.321919]  ? rcu_bh_qs+0xc0/0xc0
[  270.325475]  ? filemap_map_pages+0xdea/0x1980
[  270.329977]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.335088]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  270.340364]  ? debug_object_free+0x325/0x690
[  270.344776]  ? find_get_pages_range_tag+0x1320/0x1320
[  270.349988]  ? graph_lock+0x170/0x170
[  270.353807]  ? kasan_check_read+0x11/0x20
[  270.357963]  ? debug_object_destroy+0x2b0/0x2b0
[  270.362641]  ? lock_acquire+0x1ed/0x520
[  270.366613]  ? ext4_filemap_fault+0x7a/0xad
[  270.370939]  ? lock_release+0x970/0x970
[  270.374917]  ? arch_local_save_flags+0x40/0x40
[  270.379502]  ? futex_wait_setup+0x3e0/0x3e0
[  270.383844]  ? down_read+0xb0/0x1d0
[  270.387472]  ? ext4_filemap_fault+0x7a/0xad
[  270.391805]  ? __down_interruptible+0x700/0x700
[  270.396501]  ext4_filemap_fault+0x82/0xad
[  270.400669]  __do_fault+0x100/0x6b0
[  270.404303]  ? print_bad_pte+0x6c0/0x6c0
[  270.408363]  ? do_futex+0x249/0x26d0
[  270.412080]  ? pmd_val+0x88/0x100
[  270.415559]  ? add_mm_counter_fast+0xd0/0xd0
[  270.419985]  ? pmd_val+0x88/0x100
[  270.423439]  ? add_mm_counter_fast+0xd0/0xd0
[  270.427853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.433400]  __handle_mm_fault+0x3709/0x53e0
[  270.437830]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  270.442677]  ? graph_lock+0x170/0x170
[  270.446481]  ? print_usage_bug+0xc0/0xc0
[  270.450551]  ? graph_lock+0x170/0x170
[  270.454351]  ? graph_lock+0x170/0x170
[  270.458172]  ? handle_mm_fault+0x42a/0xc70
[  270.462408]  ? lock_downgrade+0x900/0x900
[  270.466562]  ? check_preemption_disabled+0x48/0x200
[  270.471593]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  270.477393]  ? kasan_check_read+0x11/0x20
[  270.481545]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.486833]  ? rcu_bh_qs+0xc0/0xc0
[  270.490384]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.495842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.501398]  ? check_preemption_disabled+0x48/0x200
[  270.506442]  handle_mm_fault+0x54f/0xc70
[  270.510507]  ? __handle_mm_fault+0x53e0/0x53e0
[  270.515093]  ? find_vma+0x34/0x190
[  270.518642]  __do_page_fault+0x67d/0xed0
[  270.522715]  ? mm_fault_error+0x380/0x380
[  270.526864]  ? trace_hardirqs_off+0xb8/0x300
[  270.531271]  ? trace_hardirqs_on+0x310/0x310
[  270.535683]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  270.541048]  ? trace_hardirqs_on+0x310/0x310
[  270.545462]  do_page_fault+0xf2/0x7e0
[  270.549262]  ? vmalloc_sync_all+0x30/0x30
[  270.553409]  ? error_entry+0x70/0xd0
[  270.557122]  ? trace_hardirqs_off_caller+0xbb/0x300
[  270.562136]  ? trace_hardirqs_on_caller+0xc0/0x300
[  270.567065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.571993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.576843]  ? trace_hardirqs_off+0x300/0x300
[  270.581339]  ? trace_hardirqs_off_caller+0x300/0x300
[  270.586449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.591470]  ? page_fault+0x8/0x30
[  270.595015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.599860]  ? page_fault+0x8/0x30
[  270.603406]  page_fault+0x1e/0x30
[  270.606857] RIP: 0033:0x40f9c0
[  270.610052] Code: Bad RIP value.
[  270.613434] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  270.618806] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  270.626085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  270.633350] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  270.640618] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  270.647882] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  270.655174] warn_alloc_show_mem: 1 callbacks suppressed
[  270.655186] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  270.655188] Mem-Info:
[  270.655220] active_anon:52539 inactive_anon:923 isolated_anon:0
[  270.655220]  active_file:16 inactive_file:19 isolated_file:0
[  270.655220]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.655220]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  270.655220]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  270.655220]  free:13650 free_pcp:205 free_cma:0
[  270.660551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.660560] Call Trace:
[  270.667849] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.670248]  <IRQ>
[  270.703200] Node 0 
[  270.712557]  dump_stack+0x1c4/0x2b4
[  270.715133] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  270.742866]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.744983] lowmem_reserve[]: 0
[  270.747231]  warn_alloc.cold.118+0xb7/0x1bd
[  270.750821]  2817 6321
[  270.776347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.781508]  6321
[  270.784782]  ? lock_downgrade+0x900/0x900
[  270.791580]  ? trace_hardirqs_off+0xb8/0x300
[  270.796390] Node 0 
[  270.798447]  ? trace_hardirqs_off+0xb8/0x300
[  270.802594] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  270.806975]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.809176] lowmem_reserve[]: 0
[  270.813610]  ? warn_alloc+0x120/0x120
[  270.840537]  0 3503
[  270.845386]  ? trace_hardirqs_on+0x310/0x310
[  270.848631]  3503
[  270.852433]  ? warn_alloc+0x120/0x120
[  270.854648] Node 0 
[  270.859052]  ? print_usage_bug+0xc0/0xc0
[  270.861116] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  270.864885]  ? warn_alloc+0x120/0x120
[  270.867093] lowmem_reserve[]: 0
[  270.871157]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  270.899491]  0 0
[  270.903297]  ? print_usage_bug+0xc0/0xc0
[  270.906544]  0
[  270.911560]  ? __lock_acquire+0x7ec/0x4ec0
[  270.913512] Node 0 
[  270.917562]  ? __lock_acquire+0x7ec/0x4ec0
[  270.919344] DMA: 
[  270.923589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.925806] 1*4kB 
[  270.930033]  ? should_fail+0x22d/0xd01
[  270.932071] (U) 
[  270.937600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.939722] 0*8kB 
[  270.943601]  ? __lock_acquire+0x7ec/0x4ec0
[  270.945552] 0*16kB 
[  270.950648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.952775] 1*32kB 
[  270.957016]  ? __lock_acquire+0x7ec/0x4ec0
[  270.959227] (U) 
[  270.964327]  ? should_fail+0x22d/0xd01
[  270.966526] 2*64kB (U) 
[  270.970763]  ? print_usage_bug+0xc0/0xc0
[  270.972709] 1*128kB (U) 
[  270.976602]  ? mark_held_locks+0x130/0x130
[  270.979157] 1*256kB 
[  270.983222]  ? mark_held_locks+0x130/0x130
[  270.985868] (U) 
[  270.990100]  ? graph_lock+0x170/0x170
[  270.992393] 0*512kB 
[  270.996618]  ? print_usage_bug+0xc0/0xc0
[  270.998569] 1*1024kB 
[  271.002370]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.004663] (U) 
[  271.008721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.011365] 1*2048kB 
[  271.016116]  ? check_preemption_disabled+0x48/0x200
[  271.018078] (M) 
[  271.023613]  ? check_preemption_disabled+0x48/0x200
[  271.025992] 3*4096kB (M) 
[  271.031018]  ? __lock_is_held+0xb5/0x140
[  271.032959] = 15908kB
[  271.032967] Node 0 
[  271.037999]  __alloc_pages_nodemask+0xa80/0xde0
[  271.040748] DMA32: 
[  271.044808]  ? graph_lock+0x170/0x170
[  271.047211] 2*4kB 
[  271.049442]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  271.054084] (M) 
[  271.056317]  ? graph_lock+0x170/0x170
[  271.060088] 1*8kB 
[  271.062236]  ? find_held_lock+0x36/0x1c0
[  271.067216] (U) 4*16kB 
[  271.069201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.072972] (UM) 
[  271.075357]  ? lock_downgrade+0x900/0x900
[  271.079394] 2*32kB (UM) 
[  271.081988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.086620] 3*64kB (UM) 
[  271.088690]  cache_grow_begin+0x91/0x8c0
[  271.092819] 4*128kB 
[  271.095484]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.100989] (UM) 
[  271.103657]  fallback_alloc+0x203/0x2e0
[  271.107690] 2*256kB 
[  271.110009]  ____cache_alloc_node+0x1c7/0x1e0
[  271.114385] (M) 4*512kB 
[  271.116455]  kmem_cache_alloc_node+0xe3/0x730
[  271.120394] (UM) 3*1024kB 
[  271.122720]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.127192] (M) 
[  271.129866]  __alloc_skb+0x119/0x770
[  271.134329] 1*2048kB 
[  271.137171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.141377] (M) 
[  271.143347]  ? skb_scrub_packet+0x490/0x490
[  271.147033] 4*4096kB 
[  271.149436]  ? lock_downgrade+0x900/0x900
[  271.154686] (M) 
[  271.156661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.160953] = 24912kB
[  271.160962] Node 0 
[  271.163376]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.167494] Normal: 2389*4kB 
[  271.169488]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.174991] (UME) 
[  271.177402]  ? addrconf_rs_timer+0x6f0/0x6f0
[  271.179601] 378*8kB (UME) 
[  271.185064]  ndisc_alloc_skb+0x144/0x340
[  271.188133] 73*16kB 
[  271.193583]  ndisc_send_rs+0x331/0x6e0
[  271.195702] (UM) 
[  271.200112]  addrconf_rs_timer+0x3c0/0x6f0
[  271.202925] 1*32kB 
[  271.207477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.209772] (U) 
[  271.213668]  call_timer_fn+0x272/0x920
[  271.215697] 0*64kB 
[  271.219924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.222129] 0*128kB 0*256kB 
[  271.226368]  ? process_timeout+0x40/0x40
[  271.228324] 0*512kB 
[  271.232203]  ? find_held_lock+0x36/0x1c0
[  271.234415] 0*1024kB 
[  271.238648]  ? __run_timers+0x7da/0xc70
[  271.241635] 0*2048kB 
[  271.245690]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.247988] 0*4096kB 
[  271.252038]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.254417] = 13780kB
[  271.254431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.258412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.260818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.265299]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  271.267685] 4510 total pagecache pages
[  271.272171]  ? trace_hardirqs_on+0xbd/0x310
[  271.274562] 0 pages in swap cache
[  271.283384]  ? kasan_check_read+0x11/0x20
[  271.287588] Swap cache stats: add 0, delete 0, find 0/0
[  271.287597] Free swap  = 0kB
[  271.296172]  ? __run_timers+0x7da/0xc70
[  271.300721] Total swap = 0kB
[  271.300730] 1965979 pages RAM
[  271.304617]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.308908] 0 pages HighMem/MovableOnly
[  271.308917] 342744 pages reserved
[  271.312372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.316487] 0 pages cma reserved
[  271.321848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.324900] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.328818]  __run_timers+0x7e5/0xc70
[  271.331888] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.334929]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.340344] syz-fuzzer cpuset=
[  271.344318]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.344333]  ? rcu_bh_qs+0xc0/0xc0
[  271.347763] /
[  271.351996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.355342]  mems_allowed=0
[  271.359585]  ? check_preemption_disabled+0x48/0x200
[  271.412506]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.417272]  ? retint_kernel+0x2d/0x2d
[  271.421160]  ? trace_hardirqs_on_caller+0xc0/0x300
[  271.426093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.430855]  ? trace_hardirqs_off_caller+0x300/0x300
[  271.435962]  ? check_preemption_disabled+0x48/0x200
[  271.440980]  ? graph_lock+0x170/0x170
[  271.444785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.450339]  ? check_preemption_disabled+0x48/0x200
[  271.455382]  ? __lock_is_held+0xb5/0x140
[  271.459455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.465002]  ? check_preemption_disabled+0x48/0x200
[  271.470030]  run_timer_softirq+0x52/0xb0
[  271.474096]  ? rcu_read_lock_sched_held+0x108/0x120
[  271.479161]  __do_softirq+0x30b/0xad8
[  271.482978]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.488091]  ? pvclock_read_flags+0x160/0x160
[  271.492593]  ? lapic_next_event+0x5a/0x90
[  271.496745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.502291]  ? check_preemption_disabled+0x48/0x200
[  271.507317]  ? check_preemption_disabled+0x48/0x200
[  271.512342]  ? kvm_clock_read+0x18/0x30
[  271.516323]  ? kvm_sched_clock_read+0x9/0x20
[  271.520738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.526282]  ? check_preemption_disabled+0x48/0x200
[  271.531321]  irq_exit+0x17f/0x1c0
[  271.534785]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.539642]  ? smp_reschedule_interrupt+0x109/0x650
[  271.544660]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.550547]  ? interrupt_entry+0xb5/0xf0
[  271.554610]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.559625]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.564643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.569491]  ? trace_hardirqs_off+0x300/0x300
[  271.573985]  ? trace_hardirqs_off+0x300/0x300
[  271.578485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.584027]  ? check_preemption_disabled+0x48/0x200
[  271.589043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.594591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.599449]  apic_timer_interrupt+0xf/0x20
[  271.603676]  </IRQ>
[  271.605916] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.610850] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  271.629756] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  271.637473] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.644742] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  271.652008] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  271.659278] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.666547] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  271.673865]  skb_clone+0x1bb/0x500
[  271.677412]  ? finish_task_switch+0x2f5/0x900
[  271.681910]  ? skb_split+0x11e0/0x11e0
[  271.685812]  ? preempt_notifier_register+0x200/0x200
[  271.690921]  ? __switch_to_asm+0x34/0x70
[  271.694985]  ? __switch_to_asm+0x34/0x70
[  271.699043]  ? __switch_to_asm+0x40/0x70
[  271.703102]  ? __switch_to_asm+0x34/0x70
[  271.707165]  ? __switch_to_asm+0x40/0x70
[  271.711227]  ? __switch_to_asm+0x34/0x70
[  271.715283]  ? __switch_to_asm+0x40/0x70
[  271.719345]  ? __switch_to_asm+0x34/0x70
[  271.723410]  ? __switch_to_asm+0x34/0x70
[  271.727468]  ? __switch_to_asm+0x40/0x70
[  271.731525]  ? __switch_to_asm+0x34/0x70
[  271.735598]  bpf_clone_redirect+0xb9/0x490
[  271.739839]  ? __schedule+0x874/0x1ed0
[  271.743733]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  271.748751]  ? __sched_text_start+0x8/0x8
[  271.752900]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.757669]  ? find_held_lock+0x36/0x1c0
[  271.761737]  ? lock_acquire+0x1ed/0x520
[  271.765713]  ? bpf_test_run+0x32e/0x5a0
[  271.769693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.775327]  ? check_preemption_disabled+0x48/0x200
[  271.780353]  ? kasan_check_read+0x11/0x20
[  271.784513]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.789805]  ? rcu_bh_qs+0xc0/0xc0
[  271.793351]  ? preempt_schedule+0x4d/0x60
[  271.797505]  ? ___preempt_schedule+0x16/0x18
[  271.801922]  ? bpf_test_run+0x1c0/0x5a0
[  271.805911]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.810327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.815862]  ? bpf_test_init.isra.9+0x70/0x100
[  271.820449]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.825215]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.830059]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.835596]  ? fput+0x130/0x1a0
[  271.838877]  ? __bpf_prog_get+0x9b/0x290
[  271.842943]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.847784]  ? bpf_prog_test_run+0x130/0x1a0
[  271.852208]  ? __x64_sys_bpf+0x3d8/0x510
[  271.856267]  ? bpf_prog_get+0x20/0x20
[  271.860079]  ? ksys_ioctl+0x81/0xd0
[  271.863717]  ? do_syscall_64+0x1b9/0x820
[  271.867783]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.873162]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.878095]  ? trace_hardirqs_off+0x300/0x300
[  271.882591]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.887611]  ? recalc_sigpending_tsk+0x180/0x180
[  271.892374]  ? kasan_check_write+0x14/0x20
[  271.896615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.901469]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.906857] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  271.906928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.913782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.913787] Call Trace:
[  271.913803]  <IRQ>
[  271.913827]  dump_stack+0x1c4/0x2b4
[  271.913846]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.920383] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.929680]  warn_alloc.cold.118+0xb7/0x1bd
[  271.932230] syz-executor2 cpuset=
[  271.934374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.937979] syz2
[  271.943164]  ? lock_downgrade+0x900/0x900
[  271.953629]  mems_allowed=0
[  271.957948]  ? trace_hardirqs_off+0xb8/0x300
[  271.979629]  ? trace_hardirqs_off+0xb8/0x300
[  271.984049]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.988925]  ? warn_alloc+0x120/0x120
[  271.992733]  ? warn_alloc+0x120/0x120
[  271.996535]  ? print_usage_bug+0xc0/0xc0
[  272.000599]  ? warn_alloc+0x120/0x120
[  272.004400]  ? print_usage_bug+0xc0/0xc0
[  272.008468]  ? __lock_acquire+0x7ec/0x4ec0
[  272.012704]  ? __lock_acquire+0x7ec/0x4ec0
[  272.016943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.022481]  ? should_fail+0x22d/0xd01
[  272.026378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.031500]  ? __lock_acquire+0x7ec/0x4ec0
[  272.035739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.040848]  ? __lock_acquire+0x7ec/0x4ec0
[  272.045080]  ? should_fail+0x22d/0xd01
[  272.048978]  ? mark_held_locks+0x130/0x130
[  272.053220]  ? mark_held_locks+0x130/0x130
[  272.057483]  ? graph_lock+0x170/0x170
[  272.061285]  ? graph_lock+0x170/0x170
[  272.065089]  ? graph_lock+0x170/0x170
[  272.068890]  ? print_usage_bug+0xc0/0xc0
[  272.072971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.078511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.084050]  ? check_preemption_disabled+0x48/0x200
[  272.089064]  ? check_preemption_disabled+0x48/0x200
[  272.094094]  ? __lock_is_held+0xb5/0x140
[  272.098163]  __alloc_pages_nodemask+0xa80/0xde0
[  272.102838]  ? graph_lock+0x170/0x170
[  272.106646]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.111678]  ? graph_lock+0x170/0x170
[  272.115489]  ? find_held_lock+0x36/0x1c0
[  272.119558]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.124227]  ? lock_downgrade+0x900/0x900
[  272.128386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.133930]  cache_grow_begin+0x91/0x8c0
[  272.137992]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.142407]  fallback_alloc+0x203/0x2e0
[  272.146392]  ____cache_alloc_node+0x1c7/0x1e0
[  272.150897]  kmem_cache_alloc_node+0xe3/0x730
[  272.155400]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.159648]  __alloc_skb+0x119/0x770
[  272.163362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.168645]  ? skb_scrub_packet+0x490/0x490
[  272.172966]  ? lock_downgrade+0x900/0x900
[  272.177124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.182665]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.188122]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.193599]  ? addrconf_rs_timer+0x6f0/0x6f0
[  272.198035]  ndisc_alloc_skb+0x144/0x340
[  272.202101]  ndisc_send_rs+0x331/0x6e0
[  272.205993]  addrconf_rs_timer+0x3c0/0x6f0
[  272.210232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.214479]  call_timer_fn+0x272/0x920
[  272.218371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.222612]  ? process_timeout+0x40/0x40
[  272.226678]  ? find_held_lock+0x36/0x1c0
[  272.230761]  ? mark_held_locks+0xc7/0x130
[  272.234924]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.239440]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.243941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.248177]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  272.252760]  ? trace_hardirqs_on+0xbd/0x310
[  272.257090]  ? kasan_check_read+0x11/0x20
[  272.261240]  ? __run_timers+0x7da/0xc70
[  272.265220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.270679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.274923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.279159]  __run_timers+0x7e5/0xc70
[  272.282980]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.288353]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.293371]  ? graph_lock+0x170/0x170
[  272.297177]  ? print_usage_bug+0xc0/0xc0
[  272.301250]  ? lock_release+0x970/0x970
[  272.305237]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.310436]  ? find_held_lock+0x36/0x1c0
[  272.314506]  ? graph_lock+0x170/0x170
[  272.318320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.323861]  ? check_preemption_disabled+0x48/0x200
[  272.328896]  ? __lock_is_held+0xb5/0x140
[  272.332959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.338498]  ? check_preemption_disabled+0x48/0x200
[  272.343528]  run_timer_softirq+0x52/0xb0
[  272.347593]  ? rcu_read_lock_sched_held+0x108/0x120
[  272.352616]  __do_softirq+0x30b/0xad8
[  272.356434]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  272.361546]  ? pvclock_read_flags+0x160/0x160
[  272.366041]  ? lapic_next_event+0x5a/0x90
[  272.370191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.375734]  ? check_preemption_disabled+0x48/0x200
[  272.380754]  ? check_preemption_disabled+0x48/0x200
[  272.385780]  ? kvm_clock_read+0x18/0x30
[  272.389771]  ? kvm_sched_clock_read+0x9/0x20
[  272.394193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.399736]  ? check_preemption_disabled+0x48/0x200
[  272.404765]  irq_exit+0x17f/0x1c0
[  272.408229]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.413079]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.418964]  ? interrupt_entry+0xb5/0xf0
[  272.423028]  ? trace_hardirqs_off_caller+0xbb/0x300
[  272.428052]  ? trace_hardirqs_off_caller+0xbb/0x300
[  272.433079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.437928]  ? trace_hardirqs_off+0x300/0x300
[  272.442426]  ? trace_hardirqs_off+0x300/0x300
[  272.446925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.452470]  ? check_preemption_disabled+0x48/0x200
[  272.457488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.463032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.467885]  apic_timer_interrupt+0xf/0x20
[  272.472116]  </IRQ>
[  272.474357] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  272.479633] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  272.498544] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  272.506263] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  272.513531] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  272.520825] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  272.528107] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  272.535379] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  272.542692]  ? arch_local_irq_restore+0x45/0x52
[  272.547369]  dump_stack+0x26a/0x2b4
[  272.551002]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.556196]  ? mark_held_locks+0x130/0x130
[  272.560433]  ? mark_held_locks+0x130/0x130
[  272.564679]  dump_header+0x27b/0xf72
[  272.568414]  ? pagefault_out_of_memory+0x197/0x197
[  272.573362]  ? mark_held_locks+0x130/0x130
[  272.577601]  ? __lock_acquire+0x7ec/0x4ec0
[  272.581848]  ? mem_cgroup_charge_statistics+0x780/0x780
[  272.587217]  ? print_usage_bug+0xc0/0xc0
[  272.591284]  ? print_usage_bug+0xc0/0xc0
[  272.595355]  ? graph_lock+0x170/0x170
[  272.599152]  ? graph_lock+0x170/0x170
[  272.602956]  ? print_usage_bug+0xc0/0xc0
[  272.607016]  ? print_usage_bug+0xc0/0xc0
[  272.611085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.616631]  ? find_held_lock+0x36/0x1c0
[  272.620720]  ? mark_held_locks+0xc7/0x130
[  272.624875]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.629982]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.635084]  ? lockdep_hardirqs_on+0x421/0x5c0
[  272.639667]  ? trace_hardirqs_on+0xbd/0x310
[  272.643988]  ? kasan_check_read+0x11/0x20
[  272.648139]  ? ___ratelimit+0x36f/0x655
[  272.652118]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.657571]  ? trace_hardirqs_on+0x310/0x310
[  272.661979]  ? lock_downgrade+0x900/0x900
[  272.666139]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.671245]  ? ___ratelimit+0xaa/0x655
[  272.675133]  ? idr_get_free+0xec0/0xec0
[  272.679110]  ? kasan_check_write+0x14/0x20
[  272.683349]  ? do_raw_spin_lock+0xc1/0x200
[  272.687595]  oom_kill_process.cold.27+0x10/0x903
[  272.692351]  ? graph_lock+0x170/0x170
[  272.696156]  ? _raw_spin_unlock+0x2c/0x50
[  272.700303]  ? oom_badness+0xe6/0xaa0
[  272.704113]  ? oom_evaluate_task+0x540/0x540
[  272.708527]  ? find_held_lock+0x36/0x1c0
[  272.712599]  ? out_of_memory+0x974/0x14c0
[  272.716751]  ? lock_downgrade+0x900/0x900
[  272.720905]  ? check_preemption_disabled+0x48/0x200
[  272.725929]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.731730]  ? kasan_check_read+0x11/0x20
[  272.735878]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.741155]  ? rcu_bh_qs+0xc0/0xc0
[  272.744700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.749715]  ? oom_evaluate_task+0x302/0x540
[  272.754127]  out_of_memory+0xa86/0x14c0
[  272.758113]  ? oom_killer_disable+0x3a0/0x3a0
[  272.762611]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  272.767546]  ? __mutex_add_waiter+0x2a0/0x2a0
[  272.772051]  __alloc_pages_slowpath+0x2318/0x2d80
[  272.776924]  ? warn_alloc+0x120/0x120
[  272.780750]  ? find_get_entry+0x2f2/0xc40
[  272.784914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.790457]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  272.795386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.800926]  ? should_fail+0x22d/0xd01
[  272.804834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.809938]  ? __lock_is_held+0xb5/0x140
[  272.814025]  ? __lock_is_held+0xb5/0x140
[  272.818090]  ? find_held_lock+0x36/0x1c0
[  272.822154]  ? ___might_sleep+0x1ed/0x300
[  272.826296]  ? lock_release+0x970/0x970
[  272.830274]  ? arch_local_save_flags+0x40/0x40
[  272.834870]  ? __might_sleep+0x95/0x190
[  272.838856]  __alloc_pages_nodemask+0xa80/0xde0
[  272.843534]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.848553]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.854354]  ? kasan_check_read+0x11/0x20
[  272.858502]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.863781]  ? graph_lock+0x170/0x170
[  272.867611]  ? print_usage_bug+0xc0/0xc0
[  272.871678]  ? graph_lock+0x170/0x170
[  272.875481]  ? graph_lock+0x170/0x170
[  272.879286]  ? __do_page_cache_readahead+0x7ce/0x980
[  272.884417]  ? find_held_lock+0x36/0x1c0
[  272.888505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  272.894048]  alloc_pages_current+0x10c/0x210
[  272.898459]  ? lock_downgrade+0x900/0x900
[  272.902616]  __page_cache_alloc+0x38f/0x5b0
[  272.906945]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.912745]  ? kasan_check_read+0x11/0x20
[  272.916895]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.922179]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  272.926855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.932433]  ? check_preemption_disabled+0x48/0x200
[  272.937475]  filemap_fault+0x1594/0x25f0
[  272.941562]  ? __lock_page_or_retry+0xa00/0xa00
[  272.946242]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.952047]  ? kasan_check_read+0x11/0x20
[  272.956201]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.961479]  ? rcu_bh_qs+0xc0/0xc0
[  272.965038]  ? filemap_map_pages+0xdea/0x1980
[  272.969539]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.974652]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  272.979930]  ? debug_object_free+0x325/0x690
[  272.984343]  ? find_get_pages_range_tag+0x1320/0x1320
[  272.989540]  ? graph_lock+0x170/0x170
[  272.993350]  ? kasan_check_read+0x11/0x20
[  272.997500]  ? debug_object_destroy+0x2b0/0x2b0
[  273.002178]  ? lock_acquire+0x1ed/0x520
[  273.006154]  ? ext4_filemap_fault+0x7a/0xad
[  273.010480]  ? lock_release+0x970/0x970
[  273.014454]  ? arch_local_save_flags+0x40/0x40
[  273.019040]  ? futex_wait_setup+0x3e0/0x3e0
[  273.024073]  ? down_read+0xb0/0x1d0
[  273.027701]  ? ext4_filemap_fault+0x7a/0xad
[  273.032021]  ? __down_interruptible+0x700/0x700
[  273.036712]  ext4_filemap_fault+0x82/0xad
[  273.040868]  __do_fault+0x100/0x6b0
[  273.044502]  ? print_bad_pte+0x6c0/0x6c0
[  273.048564]  ? do_futex+0x249/0x26d0
[  273.052280]  ? pmd_val+0x88/0x100
[  273.055732]  ? add_mm_counter_fast+0xd0/0xd0
[  273.060138]  ? pmd_val+0x88/0x100
[  273.063594]  ? add_mm_counter_fast+0xd0/0xd0
[  273.068006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.074050]  __handle_mm_fault+0x3709/0x53e0
[  273.078496]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  273.083343]  ? graph_lock+0x170/0x170
[  273.087144]  ? print_usage_bug+0xc0/0xc0
[  273.091210]  ? graph_lock+0x170/0x170
[  273.095009]  ? graph_lock+0x170/0x170
[  273.098839]  ? handle_mm_fault+0x42a/0xc70
[  273.103075]  ? lock_downgrade+0x900/0x900
[  273.107224]  ? check_preemption_disabled+0x48/0x200
[  273.112249]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  273.118049]  ? kasan_check_read+0x11/0x20
[  273.122203]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.127502]  ? rcu_bh_qs+0xc0/0xc0
[  273.131043]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.136494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.142033]  ? check_preemption_disabled+0x48/0x200
[  273.147058]  handle_mm_fault+0x54f/0xc70
[  273.151128]  ? __handle_mm_fault+0x53e0/0x53e0
[  273.155721]  ? find_vma+0x34/0x190
[  273.159271]  __do_page_fault+0x67d/0xed0
[  273.163344]  ? mm_fault_error+0x380/0x380
[  273.167497]  ? trace_hardirqs_off+0xb8/0x300
[  273.171903]  ? trace_hardirqs_on+0x310/0x310
[  273.176312]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.181679]  ? trace_hardirqs_on+0x310/0x310
[  273.186095]  do_page_fault+0xf2/0x7e0
[  273.189897]  ? vmalloc_sync_all+0x30/0x30
[  273.194046]  ? error_entry+0x70/0xd0
[  273.197759]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.202785]  ? trace_hardirqs_on_caller+0xc0/0x300
[  273.207958]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.212890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.217738]  ? trace_hardirqs_off+0x300/0x300
[  273.222238]  ? trace_hardirqs_off_caller+0x300/0x300
[  273.227358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.232382]  ? page_fault+0x8/0x30
[  273.235948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.240805]  ? page_fault+0x8/0x30
[  273.244355]  page_fault+0x1e/0x30
[  273.247823] RIP: 0033:0x40f9c0
[  273.251018] Code: Bad RIP value.
[  273.254377] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  273.259744] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  273.267014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  273.274279] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  273.281548] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  273.288830] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  273.296119] warn_alloc_show_mem: 1 callbacks suppressed
[  273.296131] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  273.296133] Mem-Info:
[  273.296165] active_anon:52539 inactive_anon:923 isolated_anon:0
[  273.296165]  active_file:16 inactive_file:19 isolated_file:0
[  273.296165]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.296165]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  273.296165]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  273.296165]  free:13650 free_pcp:205 free_cma:0
[  273.301507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.308786] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  273.311186] Call Trace:
[  273.344149] Node 0 
[  273.353509]  <IRQ>
[  273.381290] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  273.383855]  dump_stack+0x1c4/0x2b4
[  273.386053] lowmem_reserve[]: 0
[  273.388209]  ? dump_stack_print_info.cold.2+0x52/0x52
[  273.413686]  2817 6321
[  273.417339]  warn_alloc.cold.118+0xb7/0x1bd
[  273.420575]  6321
[  273.425766]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.428237] Node 0 
[  273.432557]  ? lock_downgrade+0x900/0x900
[  273.434622] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  273.439454]  ? trace_hardirqs_off+0xb8/0x300
[  273.441658] lowmem_reserve[]:
[  273.445817]  ? trace_hardirqs_off+0xb8/0x300
[  273.472777]  0 0
[  273.477224]  __alloc_pages_slowpath+0x2667/0x2d80
[  273.480294]  3503
[  273.484731]  ? warn_alloc+0x120/0x120
[  273.486652]  3503
[  273.491508]  ? warn_alloc+0x120/0x120
[  273.493544] Node 0 
[  273.497351]  ? print_usage_bug+0xc0/0xc0
[  273.499416] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  273.503185]  ? warn_alloc+0x120/0x120
[  273.505387] lowmem_reserve[]: 0
[  273.509451]  ? print_usage_bug+0xc0/0xc0
[  273.537804]  0
[  273.541608]  ? __lock_acquire+0x7ec/0x4ec0
[  273.544860]  0
[  273.548919]  ? __lock_acquire+0x7ec/0x4ec0
[  273.550687]  0
[  273.554925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.556698] Node 0 
[  273.560925]  ? should_fail+0x22d/0xd01
[  273.562693] DMA: 1*4kB 
[  273.568237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.570450] (U) 
[  273.574330]  ? __lock_acquire+0x7ec/0x4ec0
[  273.576888] 0*8kB 
[  273.581984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.583936] 0*16kB 
[  273.588160]  ? __lock_acquire+0x7ec/0x4ec0
[  273.590279] 1*32kB (U) 
[  273.595381]  ? should_fail+0x22d/0xd01
[  273.597593] 2*64kB 
[  273.601834]  ? mark_held_locks+0x130/0x130
[  273.604395] (U) 
[  273.608278]  ? mark_held_locks+0x130/0x130
[  273.610492] 1*128kB (U) 
[  273.614747]  ? graph_lock+0x170/0x170
[  273.616701] 1*256kB 
[  273.620926]  ? graph_lock+0x170/0x170
[  273.623574] (U) 
[  273.627367]  ? graph_lock+0x170/0x170
[  273.629671] 0*512kB 
[  273.633461]  ? print_usage_bug+0xc0/0xc0
[  273.635412] 1*1024kB 
[  273.639207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.641504] (U) 
[  273.645558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.647941] 1*2048kB (M) 
[  273.653484]  ? check_preemption_disabled+0x48/0x200
[  273.655436] 3*4096kB 
[  273.660967]  ? check_preemption_disabled+0x48/0x200
[  273.660994]  ? __lock_is_held+0xb5/0x140
[  273.663721] (M) 
[  273.668736]  __alloc_pages_nodemask+0xa80/0xde0
[  273.671121] = 15908kB
[  273.676128]  ? graph_lock+0x170/0x170
[  273.680165] Node 0 
[  273.682141]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  273.686777] DMA32: 2*4kB 
[  273.689205]  ? graph_lock+0x170/0x170
[  273.692977] (M) 
[  273.695216]  ? find_held_lock+0x36/0x1c0
[  273.700201] 1*8kB 
[  273.702958]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.706725] (U) 
[  273.708695]  ? lock_downgrade+0x900/0x900
[  273.712733] 4*16kB 
[  273.714880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.719518] (UM) 
[  273.721491]  cache_grow_begin+0x91/0x8c0
[  273.725613] 2*32kB 
[  273.727850]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.733356] (UM) 
[  273.735417]  fallback_alloc+0x203/0x2e0
[  273.739445] 3*64kB (UM) 
[  273.741689]  ____cache_alloc_node+0x1c7/0x1e0
[  273.746061] 4*128kB (UM) 
[  273.748127]  kmem_cache_alloc_node+0xe3/0x730
[  273.752077] 2*256kB 
[  273.754743]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.759210] (M) 
[  273.761967]  __alloc_skb+0x119/0x770
[  273.766425] 4*512kB (UM) 
[  273.768756]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.772962] 3*1024kB 
[  273.774931]  ? skb_scrub_packet+0x490/0x490
[  273.778619] (M) 
[  273.781374]  ? lock_downgrade+0x900/0x900
[  273.786618] 1*2048kB (M) 
[  273.789036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.793321] 4*4096kB (M) 
[  273.795303]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.799422] = 24912kB
[  273.802173]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.807686] Node 0 
[  273.810443]  ? addrconf_rs_timer+0x6f0/0x6f0
[  273.815865] Normal: 
[  273.818277]  ndisc_alloc_skb+0x144/0x340
[  273.823691] 2389*4kB 
[  273.825925]  ndisc_send_rs+0x331/0x6e0
[  273.830304] (UME) 
[  273.832633]  addrconf_rs_timer+0x3c0/0x6f0
[  273.836663] 378*8kB 
[  273.839066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.842925] (UME) 
[  273.845130]  call_timer_fn+0x272/0x920
[  273.849330] 73*16kB 
[  273.851646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.855857] (UM) 
[  273.858001]  ? process_timeout+0x40/0x40
[  273.861862] 1*32kB 
[  273.864179]  ? find_held_lock+0x36/0x1c0
[  273.868380] (U) 0*64kB 
[  273.870450]  ? __run_timers+0x7da/0xc70
[  273.874479] 0*128kB 0*256kB 
[  273.876738]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.880774] 0*512kB 
[  273.883356]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.887303] 0*1024kB 0*2048kB 
[  273.890336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.894820] 0*4096kB 
[  273.897133]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  273.901610] = 13780kB
[  273.901624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.904814]  ? trace_hardirqs_on+0xbd/0x310
[  273.909035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.911453]  ? kasan_check_read+0x11/0x20
[  273.916018] 4510 total pagecache pages
[  273.918423]  ? __run_timers+0x7da/0xc70
[  273.927242] 0 pages in swap cache
[  273.931553]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.940101] Swap cache stats: add 0, delete 0, find 0/0
[  273.940110] Free swap  = 0kB
[  273.944253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.948109] Total swap = 0kB
[  273.948118] 1965979 pages RAM
[  273.952090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.955514] 0 pages HighMem/MovableOnly
[  273.960959]  __run_timers+0x7e5/0xc70
[  273.966291] 342744 pages reserved
[  273.969321]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.973512] 0 pages cma reserved
[  273.976526]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.979669] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.983829]  ? rcu_bh_qs+0xc0/0xc0
[  273.983846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.983869]  ? check_preemption_disabled+0x48/0x200
[  273.987887] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.991617]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.995044] syz-fuzzer cpuset=
[  274.000404]  ? retint_kernel+0x2d/0x2d
[  274.003744] /
[  274.009015]  ? trace_hardirqs_on_caller+0xc0/0x300
[  274.015487]  mems_allowed=0
[  274.019026]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.065807]  ? trace_hardirqs_off_caller+0x300/0x300
[  274.070914]  ? check_preemption_disabled+0x48/0x200
[  274.075934]  ? graph_lock+0x170/0x170
[  274.079742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.085284]  ? check_preemption_disabled+0x48/0x200
[  274.090322]  ? __lock_is_held+0xb5/0x140
[  274.094389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.099934]  ? check_preemption_disabled+0x48/0x200
[  274.104966]  run_timer_softirq+0x52/0xb0
[  274.109034]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.114053]  __do_softirq+0x30b/0xad8
[  274.117869]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.122978]  ? pvclock_read_flags+0x160/0x160
[  274.127477]  ? lapic_next_event+0x5a/0x90
[  274.131630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.137172]  ? check_preemption_disabled+0x48/0x200
[  274.142192]  ? check_preemption_disabled+0x48/0x200
[  274.147219]  ? kvm_clock_read+0x18/0x30
[  274.151197]  ? kvm_sched_clock_read+0x9/0x20
[  274.155609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.161152]  ? check_preemption_disabled+0x48/0x200
[  274.166187]  irq_exit+0x17f/0x1c0
[  274.169646]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.174490]  ? smp_reschedule_interrupt+0x109/0x650
[  274.179509]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.185397]  ? interrupt_entry+0xb5/0xf0
[  274.189463]  ? trace_hardirqs_off_caller+0xbb/0x300
[  274.194480]  ? trace_hardirqs_off_caller+0xbb/0x300
[  274.199502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.204352]  ? trace_hardirqs_off+0x300/0x300
[  274.208847]  ? trace_hardirqs_off+0x300/0x300
[  274.213348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.218894]  ? check_preemption_disabled+0x48/0x200
[  274.223910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.229460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.234320]  apic_timer_interrupt+0xf/0x20
[  274.238548]  </IRQ>
[  274.240801] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  274.245732] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  274.264635] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  274.272345] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  274.279611] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  274.286881] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  274.294145] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  274.301415] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  274.308727]  skb_clone+0x1bb/0x500
[  274.312271]  ? finish_task_switch+0x2f5/0x900
[  274.316767]  ? skb_split+0x11e0/0x11e0
[  274.320665]  ? preempt_notifier_register+0x200/0x200
[  274.325766]  ? __switch_to_asm+0x34/0x70
[  274.329834]  ? __switch_to_asm+0x34/0x70
[  274.333895]  ? __switch_to_asm+0x40/0x70
[  274.337952]  ? __switch_to_asm+0x34/0x70
[  274.342009]  ? __switch_to_asm+0x40/0x70
[  274.346065]  ? __switch_to_asm+0x34/0x70
[  274.350127]  ? __switch_to_asm+0x40/0x70
[  274.354189]  ? __switch_to_asm+0x34/0x70
[  274.358247]  ? __switch_to_asm+0x34/0x70
[  274.362304]  ? __switch_to_asm+0x40/0x70
[  274.366370]  ? __switch_to_asm+0x34/0x70
[  274.370444]  bpf_clone_redirect+0xb9/0x490
[  274.374685]  ? __schedule+0x874/0x1ed0
[  274.378584]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  274.383604]  ? __sched_text_start+0x8/0x8
[  274.387755]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.392527]  ? find_held_lock+0x36/0x1c0
[  274.396596]  ? lock_acquire+0x1ed/0x520
[  274.400573]  ? bpf_test_run+0x32e/0x5a0
[  274.404548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.410088]  ? check_preemption_disabled+0x48/0x200
[  274.415111]  ? kasan_check_read+0x11/0x20
[  274.419266]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.424544]  ? rcu_bh_qs+0xc0/0xc0
[  274.428089]  ? preempt_schedule+0x4d/0x60
[  274.432239]  ? ___preempt_schedule+0x16/0x18
[  274.436656]  ? bpf_test_run+0x1c0/0x5a0
[  274.440650]  ? netlink_diag_dump+0x2a0/0x2a0
[  274.445063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.450597]  ? bpf_test_init.isra.9+0x70/0x100
[  274.455194]  ? bpf_prog_test_run_skb+0x634/0xb40
[  274.459979]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  274.464838]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.470383]  ? fput+0x130/0x1a0
[  274.473665]  ? __bpf_prog_get+0x9b/0x290
[  274.477733]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  274.482577]  ? bpf_prog_test_run+0x130/0x1a0
[  274.486996]  ? __x64_sys_bpf+0x3d8/0x510
[  274.491061]  ? bpf_prog_get+0x20/0x20
[  274.494873]  ? ksys_ioctl+0x81/0xd0
[  274.498520]  ? do_syscall_64+0x1b9/0x820
[  274.502587]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.507959]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.512899]  ? trace_hardirqs_off+0x300/0x300
[  274.517396]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.522414]  ? recalc_sigpending_tsk+0x180/0x180
[  274.527175]  ? kasan_check_write+0x14/0x20
[  274.531418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.536271]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.541655] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  274.541728] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.548578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.548584] Call Trace:
[  274.548591]  <IRQ>
[  274.548607]  dump_stack+0x1c4/0x2b4
[  274.548623]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.548649]  warn_alloc.cold.118+0xb7/0x1bd
[  274.555208] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.564467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.567031] syz-executor2 cpuset=
[  274.569176]  ? lock_downgrade+0x900/0x900
[  274.572777] syz2
[  274.577974]  ? trace_hardirqs_off+0xb8/0x300
[  274.582267]  mems_allowed=0
[  274.592744]  ? trace_hardirqs_off+0xb8/0x300
[  274.618808]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.623693]  ? warn_alloc+0x120/0x120
[  274.627503]  ? warn_alloc+0x120/0x120
[  274.631307]  ? print_usage_bug+0xc0/0xc0
[  274.635387]  ? warn_alloc+0x120/0x120
[  274.639189]  ? print_usage_bug+0xc0/0xc0
[  274.643251]  ? __lock_acquire+0x7ec/0x4ec0
[  274.647502]  ? __lock_acquire+0x7ec/0x4ec0
[  274.651740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.657280]  ? should_fail+0x22d/0xd01
[  274.661176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.666278]  ? __lock_acquire+0x7ec/0x4ec0
[  274.670519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.675619]  ? __lock_acquire+0x7ec/0x4ec0
[  274.679856]  ? should_fail+0x22d/0xd01
[  274.683755]  ? mark_held_locks+0x130/0x130
[  274.688017]  ? mark_held_locks+0x130/0x130
[  274.692264]  ? graph_lock+0x170/0x170
[  274.696066]  ? graph_lock+0x170/0x170
[  274.699870]  ? graph_lock+0x170/0x170
[  274.703670]  ? print_usage_bug+0xc0/0xc0
[  274.707758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.713301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.718856]  ? check_preemption_disabled+0x48/0x200
[  274.723875]  ? check_preemption_disabled+0x48/0x200
[  274.728900]  ? __lock_is_held+0xb5/0x140
[  274.732971]  __alloc_pages_nodemask+0xa80/0xde0
[  274.737643]  ? graph_lock+0x170/0x170
[  274.741446]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.746460]  ? graph_lock+0x170/0x170
[  274.750274]  ? find_held_lock+0x36/0x1c0
[  274.754348]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.759022]  ? lock_downgrade+0x900/0x900
[  274.763178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.768720]  cache_grow_begin+0x91/0x8c0
[  274.772784]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.777217]  fallback_alloc+0x203/0x2e0
[  274.781201]  ____cache_alloc_node+0x1c7/0x1e0
[  274.785700]  kmem_cache_alloc_node+0xe3/0x730
[  274.790211]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.794455]  __alloc_skb+0x119/0x770
[  274.798185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.803465]  ? skb_scrub_packet+0x490/0x490
[  274.807787]  ? lock_downgrade+0x900/0x900
[  274.811957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.817495]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.822955]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.828406]  ? addrconf_rs_timer+0x6f0/0x6f0
[  274.832845]  ndisc_alloc_skb+0x144/0x340
[  274.836933]  ndisc_send_rs+0x331/0x6e0
[  274.840844]  addrconf_rs_timer+0x3c0/0x6f0
[  274.845086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.849338]  call_timer_fn+0x272/0x920
[  274.853229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.857465]  ? process_timeout+0x40/0x40
[  274.861525]  ? find_held_lock+0x36/0x1c0
[  274.865592]  ? mark_held_locks+0xc7/0x130
[  274.869747]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.874243]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.878737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.882979]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  274.887569]  ? trace_hardirqs_on+0xbd/0x310
[  274.891890]  ? kasan_check_read+0x11/0x20
[  274.896044]  ? __run_timers+0x7da/0xc70
[  274.900019]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.905477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.909719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.913953]  __run_timers+0x7e5/0xc70
[  274.917769]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.923140]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.928161]  ? graph_lock+0x170/0x170
[  274.931964]  ? print_usage_bug+0xc0/0xc0
[  274.936026]  ? lock_release+0x970/0x970
[  274.940004]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.945217]  ? find_held_lock+0x36/0x1c0
[  274.949282]  ? graph_lock+0x170/0x170
[  274.953088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.958631]  ? check_preemption_disabled+0x48/0x200
[  274.963664]  ? __lock_is_held+0xb5/0x140
[  274.967731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.973274]  ? check_preemption_disabled+0x48/0x200
[  274.978297]  run_timer_softirq+0x52/0xb0
[  274.982365]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.987387]  __do_softirq+0x30b/0xad8
[  274.991199]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.996312]  ? pvclock_read_flags+0x160/0x160
[  275.000822]  ? lapic_next_event+0x5a/0x90
[  275.004973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.010515]  ? check_preemption_disabled+0x48/0x200
[  275.015535]  ? check_preemption_disabled+0x48/0x200
[  275.020560]  ? kvm_clock_read+0x18/0x30
[  275.024536]  ? kvm_sched_clock_read+0x9/0x20
[  275.028950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.034510]  ? check_preemption_disabled+0x48/0x200
[  275.039543]  irq_exit+0x17f/0x1c0
[  275.043001]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.047851]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.053734]  ? interrupt_entry+0xb5/0xf0
[  275.057808]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.062836]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.067853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.072699]  ? trace_hardirqs_off+0x300/0x300
[  275.077685]  ? trace_hardirqs_off+0x300/0x300
[  275.082188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.087733]  ? check_preemption_disabled+0x48/0x200
[  275.092748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.098293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.103147]  apic_timer_interrupt+0xf/0x20
[  275.107375]  </IRQ>
[  275.109612] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  275.114890] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  275.133801] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  275.141517] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  275.148786] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  275.156066] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  275.163332] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  275.170600] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  275.177888]  ? arch_local_irq_restore+0x45/0x52
[  275.182562]  dump_stack+0x26a/0x2b4
[  275.186193]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.191390]  ? mark_held_locks+0x130/0x130
[  275.195625]  ? mark_held_locks+0x130/0x130
[  275.199867]  dump_header+0x27b/0xf72
[  275.203640]  ? pagefault_out_of_memory+0x197/0x197
[  275.208840]  ? mark_held_locks+0x130/0x130
[  275.213078]  ? __lock_acquire+0x7ec/0x4ec0
[  275.217312]  ? mem_cgroup_charge_statistics+0x780/0x780
[  275.222676]  ? print_usage_bug+0xc0/0xc0
[  275.226741]  ? print_usage_bug+0xc0/0xc0
[  275.230825]  ? graph_lock+0x170/0x170
[  275.234625]  ? graph_lock+0x170/0x170
[  275.238424]  ? print_usage_bug+0xc0/0xc0
[  275.242481]  ? print_usage_bug+0xc0/0xc0
[  275.246553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.252092]  ? find_held_lock+0x36/0x1c0
[  275.256160]  ? mark_held_locks+0xc7/0x130
[  275.260310]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.265414]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.270517]  ? lockdep_hardirqs_on+0x421/0x5c0
[  275.275099]  ? trace_hardirqs_on+0xbd/0x310
[  275.279421]  ? kasan_check_read+0x11/0x20
[  275.283573]  ? ___ratelimit+0x36f/0x655
[  275.287551]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.293004]  ? trace_hardirqs_on+0x310/0x310
[  275.297413]  ? lock_downgrade+0x900/0x900
[  275.301581]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.306688]  ? ___ratelimit+0xaa/0x655
[  275.310579]  ? idr_get_free+0xec0/0xec0
[  275.314557]  ? kasan_check_write+0x14/0x20
[  275.318802]  ? do_raw_spin_lock+0xc1/0x200
[  275.323051]  oom_kill_process.cold.27+0x10/0x903
[  275.327823]  ? graph_lock+0x170/0x170
[  275.331630]  ? _raw_spin_unlock+0x2c/0x50
[  275.335779]  ? oom_badness+0xe6/0xaa0
[  275.339604]  ? oom_evaluate_task+0x540/0x540
[  275.344020]  ? find_held_lock+0x36/0x1c0
[  275.348094]  ? out_of_memory+0x974/0x14c0
[  275.352247]  ? lock_downgrade+0x900/0x900
[  275.356396]  ? check_preemption_disabled+0x48/0x200
[  275.361421]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.367217]  ? kasan_check_read+0x11/0x20
[  275.371368]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.376645]  ? rcu_bh_qs+0xc0/0xc0
[  275.380192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.385210]  ? oom_evaluate_task+0x302/0x540
[  275.389620]  out_of_memory+0xa86/0x14c0
[  275.393601]  ? oom_killer_disable+0x3a0/0x3a0
[  275.398099]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  275.403039]  ? __mutex_add_waiter+0x2a0/0x2a0
[  275.407545]  __alloc_pages_slowpath+0x2318/0x2d80
[  275.412436]  ? warn_alloc+0x120/0x120
[  275.416268]  ? find_get_entry+0x2f2/0xc40
[  275.420438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.425985]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  275.430922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.436466]  ? should_fail+0x22d/0xd01
[  275.440359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.445464]  ? __lock_is_held+0xb5/0x140
[  275.449552]  ? __lock_is_held+0xb5/0x140
[  275.453625]  ? find_held_lock+0x36/0x1c0
[  275.457696]  ? ___might_sleep+0x1ed/0x300
[  275.461861]  ? lock_release+0x970/0x970
[  275.465843]  ? arch_local_save_flags+0x40/0x40
[  275.470437]  ? __might_sleep+0x95/0x190
[  275.474422]  __alloc_pages_nodemask+0xa80/0xde0
[  275.479105]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.484127]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.489945]  ? kasan_check_read+0x11/0x20
[  275.494101]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.499384]  ? graph_lock+0x170/0x170
[  275.503185]  ? print_usage_bug+0xc0/0xc0
[  275.507247]  ? graph_lock+0x170/0x170
[  275.511048]  ? graph_lock+0x170/0x170
[  275.514854]  ? __do_page_cache_readahead+0x7ce/0x980
[  275.519965]  ? find_held_lock+0x36/0x1c0
[  275.524032]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.529580]  alloc_pages_current+0x10c/0x210
[  275.533989]  ? lock_downgrade+0x900/0x900
[  275.538144]  __page_cache_alloc+0x38f/0x5b0
[  275.542471]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.548269]  ? kasan_check_read+0x11/0x20
[  275.552455]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.557737]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  275.562408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.567947]  ? check_preemption_disabled+0x48/0x200
[  275.572970]  filemap_fault+0x1594/0x25f0
[  275.577045]  ? __lock_page_or_retry+0xa00/0xa00
[  275.581718]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.587517]  ? kasan_check_read+0x11/0x20
[  275.591669]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.596949]  ? rcu_bh_qs+0xc0/0xc0
[  275.600506]  ? filemap_map_pages+0xdea/0x1980
[  275.605009]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.610118]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  275.615389]  ? debug_object_free+0x325/0x690
[  275.619809]  ? find_get_pages_range_tag+0x1320/0x1320
[  275.625013]  ? graph_lock+0x170/0x170
[  275.628840]  ? kasan_check_read+0x11/0x20
[  275.632992]  ? debug_object_destroy+0x2b0/0x2b0
[  275.637678]  ? lock_acquire+0x1ed/0x520
[  275.641652]  ? ext4_filemap_fault+0x7a/0xad
[  275.645987]  ? lock_release+0x970/0x970
[  275.649962]  ? arch_local_save_flags+0x40/0x40
[  275.654551]  ? futex_wait_setup+0x3e0/0x3e0
[  275.658893]  ? down_read+0xb0/0x1d0
[  275.662528]  ? ext4_filemap_fault+0x7a/0xad
[  275.666858]  ? __down_interruptible+0x700/0x700
[  275.671554]  ext4_filemap_fault+0x82/0xad
[  275.675709]  __do_fault+0x100/0x6b0
[  275.679341]  ? print_bad_pte+0x6c0/0x6c0
[  275.683410]  ? do_futex+0x249/0x26d0
[  275.687136]  ? pmd_val+0x88/0x100
[  275.690589]  ? add_mm_counter_fast+0xd0/0xd0
[  275.694995]  ? pmd_val+0x88/0x100
[  275.698448]  ? add_mm_counter_fast+0xd0/0xd0
[  275.702863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.708410]  __handle_mm_fault+0x3709/0x53e0
[  275.712847]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  275.717697]  ? graph_lock+0x170/0x170
[  275.721505]  ? print_usage_bug+0xc0/0xc0
[  275.725575]  ? graph_lock+0x170/0x170
[  275.729379]  ? graph_lock+0x170/0x170
[  275.733202]  ? handle_mm_fault+0x42a/0xc70
[  275.737439]  ? lock_downgrade+0x900/0x900
[  275.741593]  ? check_preemption_disabled+0x48/0x200
[  275.746616]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.752412]  ? kasan_check_read+0x11/0x20
[  275.756564]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.761849]  ? rcu_bh_qs+0xc0/0xc0
[  275.765390]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.770850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.776394]  ? check_preemption_disabled+0x48/0x200
[  275.781424]  handle_mm_fault+0x54f/0xc70
[  275.785493]  ? __handle_mm_fault+0x53e0/0x53e0
[  275.790083]  ? find_vma+0x34/0x190
[  275.793633]  __do_page_fault+0x67d/0xed0
[  275.797701]  ? mm_fault_error+0x380/0x380
[  275.801848]  ? trace_hardirqs_off+0xb8/0x300
[  275.806258]  ? trace_hardirqs_on+0x310/0x310
[  275.810665]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.816029]  ? trace_hardirqs_on+0x310/0x310
[  275.820453]  do_page_fault+0xf2/0x7e0
[  275.824258]  ? vmalloc_sync_all+0x30/0x30
[  275.828406]  ? error_entry+0x70/0xd0
[  275.832132]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.837149]  ? trace_hardirqs_on_caller+0xc0/0x300
[  275.842077]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.847009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.851855]  ? trace_hardirqs_off+0x300/0x300
[  275.856369]  ? trace_hardirqs_off_caller+0x300/0x300
[  275.861483]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.866506]  ? page_fault+0x8/0x30
[  275.870048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.874893]  ? page_fault+0x8/0x30
[  275.878434]  page_fault+0x1e/0x30
[  275.881885] RIP: 0033:0x40f9c0
[  275.885080] Code: Bad RIP value.
[  275.888439] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  275.893811] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  275.901085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  275.908356] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  275.915625] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  275.922892] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  275.930210] warn_alloc_show_mem: 1 callbacks suppressed
[  275.930223] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  275.930224] Mem-Info:
[  275.930257] active_anon:52539 inactive_anon:923 isolated_anon:0
[  275.930257]  active_file:16 inactive_file:19 isolated_file:0
[  275.930257]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.930257]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  275.930257]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  275.930257]  free:13650 free_pcp:205 free_cma:0
[  275.935591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.935600] Call Trace:
[  275.942881] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.945283]  <IRQ>
[  275.978244] Node 0 
[  275.987607]  dump_stack+0x1c4/0x2b4
[  275.990187] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  276.017932]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.020058] lowmem_reserve[]:
[  276.022325]  warn_alloc.cold.118+0xb7/0x1bd
[  276.025910]  0
[  276.051431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.056597]  2817
[  276.059705]  ? lock_downgrade+0x900/0x900
[  276.063997]  6321 6321
[  276.065821]  ? trace_hardirqs_off+0xb8/0x300
[  276.070640] Node 0 
[  276.072709]  ? trace_hardirqs_off+0xb8/0x300
[  276.076854] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  276.079331]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.083704] lowmem_reserve[]:
[  276.085963]  ? warn_alloc+0x120/0x120
[  276.090326]  0
[  276.117321]  ? trace_hardirqs_on+0x310/0x310
[  276.122135]  0 3503
[  276.125248]  ? warn_alloc+0x120/0x120
[  276.129024]  3503
[  276.130837]  ? print_usage_bug+0xc0/0xc0
[  276.137447]  ? warn_alloc+0x120/0x120
[  276.141224] Node 0 
[  276.143281]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.147357] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  276.151126]  ? print_usage_bug+0xc0/0xc0
[  276.153341] lowmem_reserve[]:
[  276.158386]  ? __lock_acquire+0x7ec/0x4ec0
[  276.186735]  0 0
[  276.190829]  ? __lock_acquire+0x7ec/0x4ec0
[  276.193915]  0
[  276.198151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.200090]  0
[  276.204328]  ? should_fail+0x22d/0xd01
[  276.206103] Node 0 
[  276.211646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.213420] DMA: 
[  276.217301]  ? __lock_acquire+0x7ec/0x4ec0
[  276.219512] 1*4kB 
[  276.224610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.226645] (U) 
[  276.230868]  ? __lock_acquire+0x7ec/0x4ec0
[  276.230886]  ? should_fail+0x22d/0xd01
[  276.233015] 0*8kB 
[  276.238111]  ? print_usage_bug+0xc0/0xc0
[  276.240064] 0*16kB 
[  276.244297]  ? mark_held_locks+0x130/0x130
[  276.248149] 1*32kB 
[  276.250293]  ? mark_held_locks+0x130/0x130
[  276.254328] (U) 
[  276.256568]  ? graph_lock+0x170/0x170
[  276.260773] 2*64kB 
[  276.263009]  ? print_usage_bug+0xc0/0xc0
[  276.267214] (U) 
[  276.269185]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.272950] 1*128kB (U) 
[  276.275196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.279228] 1*256kB 
[  276.281200]  ? check_preemption_disabled+0x48/0x200
[  276.285929] (U) 
[  276.288613]  ? check_preemption_disabled+0x48/0x200
[  276.288640]  ? __lock_is_held+0xb5/0x140
[  276.294150] 0*512kB 
[  276.296476]  __alloc_pages_nodemask+0xa80/0xde0
[  276.301477] 1*1024kB 
[  276.303447]  ? graph_lock+0x170/0x170
[  276.308437] (U) 1*2048kB 
[  276.312517]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.314819] (M) 
[  276.319478]  ? graph_lock+0x170/0x170
[  276.321861] 3*4096kB 
[  276.325666]  ? find_held_lock+0x36/0x1c0
[  276.328393] (M) 
[  276.333435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.335375] = 15908kB
[  276.339174]  ? lock_downgrade+0x900/0x900
[  276.341557] Node 0 
[  276.345626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.347565] DMA32: 2*4kB 
[  276.352244]  cache_grow_begin+0x91/0x8c0
[  276.354625] (M) 
[  276.358771]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.360978] 1*8kB 
[  276.366520]  fallback_alloc+0x203/0x2e0
[  276.369250] (U) 
[  276.373312]  ____cache_alloc_node+0x1c7/0x1e0
[  276.375254] 4*16kB 
[  276.379662]  kmem_cache_alloc_node+0xe3/0x730
[  276.381781] (UM) 
[  276.385768]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.387719] 2*32kB 
[  276.392221]  __alloc_skb+0x119/0x770
[  276.394428] (UM) 
[  276.398922]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.400954] 3*64kB 
[  276.405193]  ? skb_scrub_packet+0x490/0x490
[  276.407404] (UM) 
[  276.411116]  ? lock_downgrade+0x900/0x900
[  276.413149] 4*128kB (UM) 
[  276.418435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.420644] 2*256kB 
[  276.424970]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.427004] (M) 
[  276.431152]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.433882] 4*512kB 
[  276.439417]  ? addrconf_rs_timer+0x6f0/0x6f0
[  276.441716] (UM) 
[  276.447178]  ndisc_alloc_skb+0x144/0x340
[  276.449121] 3*1024kB 
[  276.454591]  ndisc_send_rs+0x331/0x6e0
[  276.456884] (M) 
[  276.461295]  addrconf_rs_timer+0x3c0/0x6f0
[  276.463329] 1*2048kB 
[  276.467393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.469772] (M) 
[  276.473686]  call_timer_fn+0x272/0x920
[  276.475626] 4*4096kB 
[  276.479863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.482249] (M) 
[  276.486489]  ? process_timeout+0x40/0x40
[  276.488436] = 24912kB
[  276.492324]  ? find_held_lock+0x36/0x1c0
[  276.494700] Node 0 
[  276.498937]  ? __run_timers+0x7da/0xc70
[  276.500883] Normal: 
[  276.504949]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.507334] 2389*4kB 
[  276.511387]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.513600] (UME) 
[  276.517570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.519872] 378*8kB 
[  276.524367]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  276.526751] (UME) 
[  276.531244]  ? trace_hardirqs_on+0xbd/0x310
[  276.533360] 73*16kB (UM) 
[  276.537602]  ? kasan_check_read+0x11/0x20
[  276.537621]  ? __run_timers+0x7da/0xc70
[  276.539921] 1*32kB 
[  276.544501]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.546623] (U) 
[  276.550943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.553667] 0*64kB 0*128kB 
[  276.557834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.561786] 0*256kB 
[  276.564028]  __run_timers+0x7e5/0xc70
[  276.569448] 0*512kB 
[  276.571434]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.575630] 0*1024kB 0*2048kB 
[  276.578573]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.582770] 0*4096kB = 13780kB
[  276.585104]  ? rcu_bh_qs+0xc0/0xc0
[  276.588888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.591207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.596551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.599742]  ? check_preemption_disabled+0x48/0x200
[  276.604989] 4510 total pagecache pages
[  276.608189]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.611706] 0 pages in swap cache
[  276.620543]  ? retint_kernel+0x2d/0x2d
[  276.626055] Swap cache stats: add 0, delete 0, find 0/0
[  276.626065] Free swap  = 0kB
[  276.634658]  ? trace_hardirqs_on_caller+0xc0/0x300
[  276.639652] Total swap = 0kB
[  276.643544]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.648274] 1965979 pages RAM
[  276.651736]  ? trace_hardirqs_off_caller+0x300/0x300
[  276.655596] 0 pages HighMem/MovableOnly
[  276.660961]  ? check_preemption_disabled+0x48/0x200
[  276.663948] 342744 pages reserved
[  276.668885]  ? graph_lock+0x170/0x170
[  276.671876] 0 pages cma reserved
[  276.676634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.679786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.684807]  ? check_preemption_disabled+0x48/0x200
[  276.684835]  ? __lock_is_held+0xb5/0x140
[  276.684853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.688890] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.693837]  ? check_preemption_disabled+0x48/0x200
[  276.693861]  run_timer_softirq+0x52/0xb0
[  276.697286] syz-fuzzer cpuset=
[  276.701080]  ? rcu_read_lock_sched_held+0x108/0x120
[  276.704420] /
[  276.709963]  __do_softirq+0x30b/0xad8
[  276.716431]  mems_allowed=0
[  276.721454]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.771966]  ? pvclock_read_flags+0x160/0x160
[  276.776471]  ? lapic_next_event+0x5a/0x90
[  276.780629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.786171]  ? check_preemption_disabled+0x48/0x200
[  276.791187]  ? check_preemption_disabled+0x48/0x200
[  276.796216]  ? kvm_clock_read+0x18/0x30
[  276.800190]  ? kvm_sched_clock_read+0x9/0x20
[  276.804603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.810157]  ? check_preemption_disabled+0x48/0x200
[  276.815194]  irq_exit+0x17f/0x1c0
[  276.818656]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.823509]  ? smp_reschedule_interrupt+0x109/0x650
[  276.828533]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.834418]  ? interrupt_entry+0xb5/0xf0
[  276.838489]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.843508]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.848526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.853375]  ? trace_hardirqs_off+0x300/0x300
[  276.857870]  ? trace_hardirqs_off+0x300/0x300
[  276.862367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.867915]  ? check_preemption_disabled+0x48/0x200
[  276.872937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.878485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.883361]  apic_timer_interrupt+0xf/0x20
[  276.887600]  </IRQ>
[  276.889852] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.894787] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  276.913718] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  276.921436] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.928714] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  276.935984] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  276.943256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.950528] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  276.957864]  skb_clone+0x1bb/0x500
[  276.961413]  ? finish_task_switch+0x2f5/0x900
[  276.965913]  ? skb_split+0x11e0/0x11e0
[  276.969821]  ? preempt_notifier_register+0x200/0x200
[  276.974929]  ? __switch_to_asm+0x34/0x70
[  276.978992]  ? __switch_to_asm+0x34/0x70
[  276.983054]  ? __switch_to_asm+0x40/0x70
[  276.987121]  ? __switch_to_asm+0x34/0x70
[  276.991180]  ? __switch_to_asm+0x40/0x70
[  276.995240]  ? __switch_to_asm+0x34/0x70
[  276.999326]  ? __switch_to_asm+0x40/0x70
[  277.003412]  ? __switch_to_asm+0x34/0x70
[  277.007474]  ? __switch_to_asm+0x34/0x70
[  277.011537]  ? __switch_to_asm+0x40/0x70
[  277.015599]  ? __switch_to_asm+0x34/0x70
[  277.019680]  bpf_clone_redirect+0xb9/0x490
[  277.023922]  ? __schedule+0x874/0x1ed0
[  277.027843]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  277.032876]  ? __sched_text_start+0x8/0x8
[  277.037029]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.041807]  ? find_held_lock+0x36/0x1c0
[  277.045883]  ? lock_acquire+0x1ed/0x520
[  277.049868]  ? bpf_test_run+0x32e/0x5a0
[  277.053862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.059412]  ? check_preemption_disabled+0x48/0x200
[  277.064438]  ? kasan_check_read+0x11/0x20
[  277.068593]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.074125]  ? rcu_bh_qs+0xc0/0xc0
[  277.077672]  ? preempt_schedule+0x4d/0x60
[  277.081828]  ? ___preempt_schedule+0x16/0x18
[  277.086259]  ? bpf_test_run+0x1c0/0x5a0
[  277.090247]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.094666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.100205]  ? bpf_test_init.isra.9+0x70/0x100
[  277.104809]  ? bpf_prog_test_run_skb+0x634/0xb40
[  277.109578]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.114421]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.119965]  ? fput+0x130/0x1a0
[  277.123252]  ? __bpf_prog_get+0x9b/0x290
[  277.127322]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.132182]  ? bpf_prog_test_run+0x130/0x1a0
[  277.136593]  ? __x64_sys_bpf+0x3d8/0x510
[  277.140654]  ? bpf_prog_get+0x20/0x20
[  277.144467]  ? ksys_ioctl+0x81/0xd0
[  277.148105]  ? do_syscall_64+0x1b9/0x820
[  277.152167]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.157539]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.162476]  ? trace_hardirqs_off+0x300/0x300
[  277.166983]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.172006]  ? recalc_sigpending_tsk+0x180/0x180
[  277.176769]  ? kasan_check_write+0x14/0x20
[  277.181023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.185880]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.191264] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  277.191343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.198200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.198205] Call Trace:
[  277.198212]  <IRQ>
[  277.198231]  dump_stack+0x1c4/0x2b4
[  277.198245]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.198271]  warn_alloc.cold.118+0xb7/0x1bd
[  277.198294]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.205401] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.214348]  ? lock_downgrade+0x900/0x900
[  277.216916] syz-executor2 cpuset=
[  277.219063]  ? trace_hardirqs_off+0xb8/0x300
[  277.222659] syz2
[  277.227856]  ? trace_hardirqs_off+0xb8/0x300
[  277.232156]  mems_allowed=0
[  277.236993]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.273603]  ? warn_alloc+0x120/0x120
[  277.277414]  ? warn_alloc+0x120/0x120
[  277.281227]  ? print_usage_bug+0xc0/0xc0
[  277.285338]  ? warn_alloc+0x120/0x120
[  277.289158]  ? print_usage_bug+0xc0/0xc0
[  277.293222]  ? __lock_acquire+0x7ec/0x4ec0
[  277.297460]  ? __lock_acquire+0x7ec/0x4ec0
[  277.301712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.307268]  ? should_fail+0x22d/0xd01
[  277.311164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.316272]  ? __lock_acquire+0x7ec/0x4ec0
[  277.320519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.325622]  ? __lock_acquire+0x7ec/0x4ec0
[  277.329856]  ? should_fail+0x22d/0xd01
[  277.333771]  ? mark_held_locks+0x130/0x130
[  277.338019]  ? mark_held_locks+0x130/0x130
[  277.342259]  ? graph_lock+0x170/0x170
[  277.346062]  ? graph_lock+0x170/0x170
[  277.349870]  ? graph_lock+0x170/0x170
[  277.353673]  ? print_usage_bug+0xc0/0xc0
[  277.357738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.363281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.368835]  ? check_preemption_disabled+0x48/0x200
[  277.373855]  ? check_preemption_disabled+0x48/0x200
[  277.378891]  ? __lock_is_held+0xb5/0x140
[  277.382969]  __alloc_pages_nodemask+0xa80/0xde0
[  277.387644]  ? graph_lock+0x170/0x170
[  277.391449]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.396465]  ? graph_lock+0x170/0x170
[  277.400281]  ? find_held_lock+0x36/0x1c0
[  277.404356]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.409026]  ? lock_downgrade+0x900/0x900
[  277.413195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.418741]  cache_grow_begin+0x91/0x8c0
[  277.422812]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.427246]  fallback_alloc+0x203/0x2e0
[  277.431238]  ____cache_alloc_node+0x1c7/0x1e0
[  277.435743]  kmem_cache_alloc_node+0xe3/0x730
[  277.440241]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.444486]  __alloc_skb+0x119/0x770
[  277.448206]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.453502]  ? skb_scrub_packet+0x490/0x490
[  277.457839]  ? lock_downgrade+0x900/0x900
[  277.461996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.467545]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.473003]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.478474]  ? addrconf_rs_timer+0x6f0/0x6f0
[  277.482901]  ndisc_alloc_skb+0x144/0x340
[  277.486983]  ndisc_send_rs+0x331/0x6e0
[  277.490893]  addrconf_rs_timer+0x3c0/0x6f0
[  277.495134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.499384]  call_timer_fn+0x272/0x920
[  277.503289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.507536]  ? process_timeout+0x40/0x40
[  277.511598]  ? find_held_lock+0x36/0x1c0
[  277.515668]  ? mark_held_locks+0xc7/0x130
[  277.519837]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.524342]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.528846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.533085]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  277.537677]  ? trace_hardirqs_on+0xbd/0x310
[  277.542024]  ? kasan_check_read+0x11/0x20
[  277.546176]  ? __run_timers+0x7da/0xc70
[  277.550170]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.555634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.559879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.564119]  __run_timers+0x7e5/0xc70
[  277.567937]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.573316]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.578340]  ? graph_lock+0x170/0x170
[  277.582146]  ? print_usage_bug+0xc0/0xc0
[  277.586208]  ? lock_release+0x970/0x970
[  277.590188]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.595398]  ? find_held_lock+0x36/0x1c0
[  277.599466]  ? graph_lock+0x170/0x170
[  277.603273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.608832]  ? check_preemption_disabled+0x48/0x200
[  277.613865]  ? __lock_is_held+0xb5/0x140
[  277.617930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.623474]  ? check_preemption_disabled+0x48/0x200
[  277.628502]  run_timer_softirq+0x52/0xb0
[  277.632567]  ? rcu_read_lock_sched_held+0x108/0x120
[  277.637608]  __do_softirq+0x30b/0xad8
[  277.641429]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  277.646544]  ? pvclock_read_flags+0x160/0x160
[  277.651037]  ? lapic_next_event+0x5a/0x90
[  277.655194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.660746]  ? check_preemption_disabled+0x48/0x200
[  277.665762]  ? check_preemption_disabled+0x48/0x200
[  277.670804]  ? kvm_clock_read+0x18/0x30
[  277.674807]  ? kvm_sched_clock_read+0x9/0x20
[  277.679233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.684782]  ? check_preemption_disabled+0x48/0x200
[  277.689838]  irq_exit+0x17f/0x1c0
[  277.693308]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.698170]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.704059]  ? interrupt_entry+0xb5/0xf0
[  277.708126]  ? trace_hardirqs_off_caller+0xbb/0x300
[  277.713155]  ? trace_hardirqs_off_caller+0xbb/0x300
[  277.718187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.723033]  ? trace_hardirqs_off+0x300/0x300
[  277.727530]  ? trace_hardirqs_off+0x300/0x300
[  277.732031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.737586]  ? check_preemption_disabled+0x48/0x200
[  277.742607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.748154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.753022]  apic_timer_interrupt+0xf/0x20
[  277.757253]  </IRQ>
[  277.759495] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  277.764776] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  277.783701] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  277.791419] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  277.798691] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  277.805967] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  277.813234] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  277.820507] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  277.827812]  ? arch_local_irq_restore+0x45/0x52
[  277.832507]  dump_stack+0x26a/0x2b4
[  277.836139]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.841332]  ? mark_held_locks+0x130/0x130
[  277.845568]  ? mark_held_locks+0x130/0x130
[  277.853716]  dump_header+0x27b/0xf72
[  277.857448]  ? pagefault_out_of_memory+0x197/0x197
[  277.862382]  ? mark_held_locks+0x130/0x130
[  277.866617]  ? __lock_acquire+0x7ec/0x4ec0
[  277.870853]  ? mem_cgroup_charge_statistics+0x780/0x780
[  277.876215]  ? print_usage_bug+0xc0/0xc0
[  277.880275]  ? print_usage_bug+0xc0/0xc0
[  277.884342]  ? graph_lock+0x170/0x170
[  277.888141]  ? graph_lock+0x170/0x170
[  277.891942]  ? print_usage_bug+0xc0/0xc0
[  277.896002]  ? print_usage_bug+0xc0/0xc0
[  277.900072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.905615]  ? find_held_lock+0x36/0x1c0
[  277.909683]  ? mark_held_locks+0xc7/0x130
[  277.913845]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.918950]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.924052]  ? lockdep_hardirqs_on+0x421/0x5c0
[  277.928638]  ? trace_hardirqs_on+0xbd/0x310
[  277.932958]  ? kasan_check_read+0x11/0x20
[  277.937111]  ? ___ratelimit+0x36f/0x655
[  277.941090]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.946544]  ? trace_hardirqs_on+0x310/0x310
[  277.950955]  ? lock_downgrade+0x900/0x900
[  277.955108]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.960213]  ? ___ratelimit+0xaa/0x655
[  277.964105]  ? idr_get_free+0xec0/0xec0
[  277.968086]  ? kasan_check_write+0x14/0x20
[  277.972324]  ? do_raw_spin_lock+0xc1/0x200
[  277.976568]  oom_kill_process.cold.27+0x10/0x903
[  277.981326]  ? graph_lock+0x170/0x170
[  277.985144]  ? _raw_spin_unlock+0x2c/0x50
[  277.989295]  ? oom_badness+0xe6/0xaa0
[  277.993106]  ? oom_evaluate_task+0x540/0x540
[  277.997517]  ? find_held_lock+0x36/0x1c0
[  278.001586]  ? out_of_memory+0x974/0x14c0
[  278.005734]  ? lock_downgrade+0x900/0x900
[  278.009884]  ? check_preemption_disabled+0x48/0x200
[  278.014908]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  278.020707]  ? kasan_check_read+0x11/0x20
[  278.024855]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.030134]  ? rcu_bh_qs+0xc0/0xc0
[  278.033677]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.038690]  ? oom_evaluate_task+0x302/0x540
[  278.043106]  out_of_memory+0xa86/0x14c0
[  278.047089]  ? oom_killer_disable+0x3a0/0x3a0
[  278.051590]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  278.056530]  ? __mutex_add_waiter+0x2a0/0x2a0
[  278.061041]  __alloc_pages_slowpath+0x2318/0x2d80
[  278.065914]  ? warn_alloc+0x120/0x120
[  278.069729]  ? find_get_entry+0x2f2/0xc40
[  278.073892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.079433]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  278.084360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.089900]  ? should_fail+0x22d/0xd01
[  278.093800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.098908]  ? __lock_is_held+0xb5/0x140
[  278.103002]  ? __lock_is_held+0xb5/0x140
[  278.107071]  ? find_held_lock+0x36/0x1c0
[  278.111135]  ? ___might_sleep+0x1ed/0x300
[  278.115284]  ? lock_release+0x970/0x970
[  278.119258]  ? arch_local_save_flags+0x40/0x40
[  278.123855]  ? __might_sleep+0x95/0x190
[  278.127841]  __alloc_pages_nodemask+0xa80/0xde0
[  278.132521]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.137539]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  278.143341]  ? kasan_check_read+0x11/0x20
[  278.147509]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.152791]  ? graph_lock+0x170/0x170
[  278.156610]  ? print_usage_bug+0xc0/0xc0
[  278.160675]  ? graph_lock+0x170/0x170
[  278.164476]  ? graph_lock+0x170/0x170
[  278.168280]  ? __do_page_cache_readahead+0x7ce/0x980
[  278.173391]  ? find_held_lock+0x36/0x1c0
[  278.177455]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.182994]  alloc_pages_current+0x10c/0x210
[  278.187402]  ? lock_downgrade+0x900/0x900
[  278.191554]  __page_cache_alloc+0x38f/0x5b0
[  278.195876]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  278.201676]  ? kasan_check_read+0x11/0x20
[  278.205839]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.211121]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  278.215803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.221367]  ? check_preemption_disabled+0x48/0x200
[  278.226392]  filemap_fault+0x1594/0x25f0
[  278.230470]  ? __lock_page_or_retry+0xa00/0xa00
[  278.235142]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  278.240940]  ? kasan_check_read+0x11/0x20
[  278.245088]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.250365]  ? rcu_bh_qs+0xc0/0xc0
[  278.253919]  ? filemap_map_pages+0xdea/0x1980
[  278.258421]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.263528]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  278.268807]  ? debug_object_free+0x325/0x690
[  278.273228]  ? find_get_pages_range_tag+0x1320/0x1320
[  278.278422]  ? graph_lock+0x170/0x170
[  278.282232]  ? kasan_check_read+0x11/0x20
[  278.286383]  ? debug_object_destroy+0x2b0/0x2b0
[  278.291065]  ? lock_acquire+0x1ed/0x520
[  278.295038]  ? ext4_filemap_fault+0x7a/0xad
[  278.299369]  ? lock_release+0x970/0x970
[  278.303346]  ? arch_local_save_flags+0x40/0x40
[  278.307932]  ? futex_wait_setup+0x3e0/0x3e0
[  278.312269]  ? down_read+0xb0/0x1d0
[  278.315897]  ? ext4_filemap_fault+0x7a/0xad
[  278.320217]  ? __down_interruptible+0x700/0x700
[  278.324904]  ext4_filemap_fault+0x82/0xad
[  278.329055]  __do_fault+0x100/0x6b0
[  278.332686]  ? print_bad_pte+0x6c0/0x6c0
[  278.336745]  ? do_futex+0x249/0x26d0
[  278.340461]  ? pmd_val+0x88/0x100
[  278.343916]  ? add_mm_counter_fast+0xd0/0xd0
[  278.348327]  ? pmd_val+0x88/0x100
[  278.351785]  ? add_mm_counter_fast+0xd0/0xd0
[  278.356211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.361757]  __handle_mm_fault+0x3709/0x53e0
[  278.366174]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  278.371018]  ? graph_lock+0x170/0x170
[  278.374835]  ? print_usage_bug+0xc0/0xc0
[  278.378920]  ? graph_lock+0x170/0x170
[  278.382722]  ? graph_lock+0x170/0x170
[  278.386547]  ? handle_mm_fault+0x42a/0xc70
[  278.390786]  ? lock_downgrade+0x900/0x900
[  278.394950]  ? check_preemption_disabled+0x48/0x200
[  278.399974]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  278.405770]  ? kasan_check_read+0x11/0x20
[  278.409930]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.415210]  ? rcu_bh_qs+0xc0/0xc0
[  278.418753]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.424205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.429747]  ? check_preemption_disabled+0x48/0x200
[  278.434776]  handle_mm_fault+0x54f/0xc70
[  278.438868]  ? __handle_mm_fault+0x53e0/0x53e0
[  278.443453]  ? find_vma+0x34/0x190
[  278.447006]  __do_page_fault+0x67d/0xed0
[  278.451083]  ? mm_fault_error+0x380/0x380
[  278.455232]  ? trace_hardirqs_off+0xb8/0x300
[  278.459638]  ? trace_hardirqs_on+0x310/0x310
[  278.464045]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  278.469411]  ? trace_hardirqs_on+0x310/0x310
[  278.473840]  do_page_fault+0xf2/0x7e0
[  278.477648]  ? vmalloc_sync_all+0x30/0x30
[  278.481805]  ? error_entry+0x70/0xd0
[  278.485527]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.490545]  ? trace_hardirqs_on_caller+0xc0/0x300
[  278.495474]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.500402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.505245]  ? trace_hardirqs_off+0x300/0x300
[  278.509738]  ? trace_hardirqs_off_caller+0x300/0x300
[  278.514936]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.519961]  ? page_fault+0x8/0x30
[  278.523507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.528357]  ? page_fault+0x8/0x30
[  278.531899]  page_fault+0x1e/0x30
[  278.535355] RIP: 0033:0x40f9c0
[  278.538550] Code: Bad RIP value.
[  278.541914] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  278.547281] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  278.554550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  278.561831] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  278.569095] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  278.576364] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  278.583659] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  278.583665] warn_alloc_show_mem: 1 callbacks suppressed
[  278.583671] Mem-Info:
[  278.590944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.596311] active_anon:52539 inactive_anon:923 isolated_anon:0
[  278.596311]  active_file:16 inactive_file:19 isolated_file:0
[  278.596311]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.596311]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  278.596311]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  278.596311]  free:13650 free_pcp:205 free_cma:0
[  278.598683] Call Trace:
[  278.608070] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.641002]  <IRQ>
[  278.643572] Node 0 
[  278.671332]  dump_stack+0x1c4/0x2b4
[  278.673474] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  278.675681]  ? dump_stack_print_info.cold.2+0x52/0x52
[  278.679284] lowmem_reserve[]:
[  278.704822]  warn_alloc.cold.118+0xb7/0x1bd
[  278.710017]  0
[  278.713120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.717415]  2817
[  278.719212]  ? lock_downgrade+0x900/0x900
[  278.724023]  6321 6321
[  278.726096]  ? trace_hardirqs_off+0xb8/0x300
[  278.730213] Node 0 
[  278.732705]  ? trace_hardirqs_off+0xb8/0x300
[  278.737109] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  278.739322]  __alloc_pages_slowpath+0x2667/0x2d80
[  278.743695] lowmem_reserve[]:
[  278.770690]  ? warn_alloc+0x120/0x120
[  278.775481]  0
[  278.778578]  ? trace_hardirqs_on+0x310/0x310
[  278.782352]  0
[  278.784146]  ? warn_alloc+0x120/0x120
[  278.788526]  3503
[  278.790326]  ? print_usage_bug+0xc0/0xc0
[  278.794097]  3503
[  278.796153]  ? warn_alloc+0x120/0x120
[  278.802247]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.806021] Node 0 
[  278.811026]  ? print_usage_bug+0xc0/0xc0
[  278.811056] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  278.811063] lowmem_reserve[]:
[  278.813297]  ? __lock_acquire+0x7ec/0x4ec0
[  278.817334]  0
[  278.845693]  ? __lock_acquire+0x7ec/0x4ec0
[  278.848769]  0 0
[  278.853017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.854791]  0
[  278.859025]  ? should_fail+0x22d/0xd01
[  278.860976] Node 0 
[  278.866521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.868296] DMA: 
[  278.872176]  ? __lock_acquire+0x7ec/0x4ec0
[  278.874388] 1*4kB 
[  278.879484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.881522] (U) 
[  278.885750]  ? __lock_acquire+0x7ec/0x4ec0
[  278.887874] 0*8kB 
[  278.892967]  ? should_fail+0x22d/0xd01
[  278.894921] 0*16kB 
[  278.899148]  ? print_usage_bug+0xc0/0xc0
[  278.901274] 1*32kB 
[  278.905159]  ? mark_held_locks+0x130/0x130
[  278.907365] (U) 
[  278.911421]  ? mark_held_locks+0x130/0x130
[  278.913633] 2*64kB 
[  278.917864]  ? graph_lock+0x170/0x170
[  278.919822] (U) 
[  278.924049]  ? print_usage_bug+0xc0/0xc0
[  278.926260] 1*128kB 
[  278.930065]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.932011] (U) 
[  278.936065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.938361] 1*256kB 
[  278.943129]  ? check_preemption_disabled+0x48/0x200
[  278.945079] (U) 
[  278.950625]  ? check_preemption_disabled+0x48/0x200
[  278.952923] 0*512kB 
[  278.957935]  ? __lock_is_held+0xb5/0x140
[  278.959880] 1*1024kB 
[  278.964891]  __alloc_pages_nodemask+0xa80/0xde0
[  278.967186] (U) 
[  278.971236]  ? graph_lock+0x170/0x170
[  278.973622] 1*2048kB 
[  278.978282]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.980234] (M) 
[  278.984026]  ? graph_lock+0x170/0x170
[  278.986413] 3*4096kB 
[  278.991428]  ? find_held_lock+0x36/0x1c0
[  278.993378] (M) 
[  278.997178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.999555] = 15908kB
[  279.003609]  ? lock_downgrade+0x900/0x900
[  279.005561] Node 0 
[  279.010223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.012603] DMA32: 
[  279.016744]  cache_grow_begin+0x91/0x8c0
[  279.018953] 2*4kB 
[  279.024484]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.026693] (M) 
[  279.030750]  fallback_alloc+0x203/0x2e0
[  279.032870] 1*8kB 
[  279.037274]  ____cache_alloc_node+0x1c7/0x1e0
[  279.039221] (U) 
[  279.043190]  kmem_cache_alloc_node+0xe3/0x730
[  279.045322] 4*16kB (UM) 
[  279.049826]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.051779] 2*32kB 
[  279.056291]  __alloc_skb+0x119/0x770
[  279.058930] (UM) 
[  279.063237]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.065460] 3*64kB 
[  279.069166]  ? skb_scrub_packet+0x490/0x490
[  279.071257] (UM) 
[  279.076721]  ? lock_downgrade+0x900/0x900
[  279.078937] 4*128kB (UM) 
[  279.083267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.085301] 2*256kB 
[  279.089447]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.092176] (M) 
[  279.097707]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.100000] 4*512kB (UM) 
[  279.105468]  ? addrconf_rs_timer+0x6f0/0x6f0
[  279.107428] 3*1024kB 
[  279.112904]  ndisc_alloc_skb+0x144/0x340
[  279.115626] (M) 
[  279.120043]  ndisc_send_rs+0x331/0x6e0
[  279.122424] 1*2048kB (M) 
[  279.126488]  addrconf_rs_timer+0x3c0/0x6f0
[  279.128439] 4*4096kB 
[  279.132323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.135054] (M) 
[  279.139289]  call_timer_fn+0x272/0x920
[  279.141677] = 24912kB
[  279.145912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.147867] Node 0 
[  279.151759]  ? process_timeout+0x40/0x40
[  279.154145] Normal: 
[  279.158373]  ? find_held_lock+0x36/0x1c0
[  279.160586] 2389*4kB 
[  279.164647]  ? __run_timers+0x7da/0xc70
[  279.166942] (UME) 
[  279.170995]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.173377] 378*8kB 
[  279.177343]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.179470] (UME) 
[  279.183957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.186257] 73*16kB 
[  279.190745]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  279.192870] (UM) 
[  279.197098]  ? trace_hardirqs_on+0xbd/0x310
[  279.199398] 1*32kB 
[  279.203973]  ? kasan_check_read+0x11/0x20
[  279.206189] (U) 0*64kB 
[  279.210514]  ? __run_timers+0x7da/0xc70
[  279.212727] 0*128kB 
[  279.216866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.219427] 0*256kB 
[  279.223392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.225704] 0*512kB 
[  279.231160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.233483] 0*1024kB 0*2048kB 
[  279.237719]  __run_timers+0x7e5/0xc70
[  279.240036] 0*4096kB 
[  279.244272]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.247431] = 13780kB
[  279.251223]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.253612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  279.258964]  ? rcu_bh_qs+0xc0/0xc0
[  279.261356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  279.266618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.275425] 4510 total pagecache pages
[  279.278955]  ? check_preemption_disabled+0x48/0x200
[  279.287521] 0 pages in swap cache
[  279.293046]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.296924] Swap cache stats: add 0, delete 0, find 0/0
[  279.301925]  ? retint_kernel+0x2d/0x2d
[  279.305356] Free swap  = 0kB
[  279.310117]  ? trace_hardirqs_on_caller+0xc0/0x300
[  279.315462] Total swap = 0kB
[  279.319342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.322334] 1965979 pages RAM
[  279.327274]  ? trace_hardirqs_off_caller+0x300/0x300
[  279.330295] 0 pages HighMem/MovableOnly
[  279.335045]  ? check_preemption_disabled+0x48/0x200
[  279.338123] 342744 pages reserved
[  279.343218]  ? graph_lock+0x170/0x170
[  279.347161] 0 pages cma reserved
[  279.347234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.352194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.352210]  ? check_preemption_disabled+0x48/0x200
[  279.352233]  ? __lock_is_held+0xb5/0x140
[  279.355722] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.359452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.362804] syz-fuzzer cpuset=
[  279.369290]  ? check_preemption_disabled+0x48/0x200
[  279.374806] /
[  279.379823]  run_timer_softirq+0x52/0xb0
[  279.383864]  mems_allowed=0
[  279.394080]  ? rcu_read_lock_sched_held+0x108/0x120
[  279.421439]  __do_softirq+0x30b/0xad8
[  279.425251]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.430374]  ? pvclock_read_flags+0x160/0x160
[  279.434871]  ? lapic_next_event+0x5a/0x90
[  279.439018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.444556]  ? check_preemption_disabled+0x48/0x200
[  279.449588]  ? check_preemption_disabled+0x48/0x200
[  279.454611]  ? kvm_clock_read+0x18/0x30
[  279.458585]  ? kvm_sched_clock_read+0x9/0x20
[  279.462999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.468535]  ? check_preemption_disabled+0x48/0x200
[  279.473593]  irq_exit+0x17f/0x1c0
[  279.477051]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.481897]  ? smp_reschedule_interrupt+0x109/0x650
[  279.486920]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.492812]  ? interrupt_entry+0xb5/0xf0
[  279.496876]  ? trace_hardirqs_off_caller+0xbb/0x300
[  279.501895]  ? trace_hardirqs_off_caller+0xbb/0x300
[  279.506918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.511765]  ? trace_hardirqs_off+0x300/0x300
[  279.516275]  ? trace_hardirqs_off+0x300/0x300
[  279.520770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.526320]  ? check_preemption_disabled+0x48/0x200
[  279.531338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.536882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.541736]  apic_timer_interrupt+0xf/0x20
[  279.545961]  </IRQ>
[  279.548199] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.553150] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  279.572047] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  279.579777] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.587053] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  279.594341] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  279.601607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.608873] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  279.616178]  skb_clone+0x1bb/0x500
[  279.619748]  ? finish_task_switch+0x2f5/0x900
[  279.624243]  ? skb_split+0x11e0/0x11e0
[  279.628132]  ? preempt_notifier_register+0x200/0x200
[  279.633234]  ? __switch_to_asm+0x34/0x70
[  279.637297]  ? __switch_to_asm+0x34/0x70
[  279.641360]  ? __switch_to_asm+0x40/0x70
[  279.645414]  ? __switch_to_asm+0x34/0x70
[  279.649470]  ? __switch_to_asm+0x40/0x70
[  279.653543]  ? __switch_to_asm+0x34/0x70
[  279.657616]  ? __switch_to_asm+0x40/0x70
[  279.661674]  ? __switch_to_asm+0x34/0x70
[  279.665739]  ? __switch_to_asm+0x34/0x70
[  279.669808]  ? __switch_to_asm+0x40/0x70
[  279.673867]  ? __switch_to_asm+0x34/0x70
[  279.677940]  bpf_clone_redirect+0xb9/0x490
[  279.682182]  ? __schedule+0x874/0x1ed0
[  279.686080]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  279.691098]  ? __sched_text_start+0x8/0x8
[  279.695245]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.700017]  ? find_held_lock+0x36/0x1c0
[  279.704089]  ? lock_acquire+0x1ed/0x520
[  279.708066]  ? bpf_test_run+0x32e/0x5a0
[  279.712044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.717589]  ? check_preemption_disabled+0x48/0x200
[  279.722615]  ? kasan_check_read+0x11/0x20
[  279.726784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.732084]  ? rcu_bh_qs+0xc0/0xc0
[  279.735629]  ? preempt_schedule+0x4d/0x60
[  279.739783]  ? ___preempt_schedule+0x16/0x18
[  279.744205]  ? bpf_test_run+0x1c0/0x5a0
[  279.748193]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.752606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.758140]  ? bpf_test_init.isra.9+0x70/0x100
[  279.762729]  ? bpf_prog_test_run_skb+0x634/0xb40
[  279.767494]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.772339]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.777878]  ? fput+0x130/0x1a0
[  279.781158]  ? __bpf_prog_get+0x9b/0x290
[  279.785219]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.790078]  ? bpf_prog_test_run+0x130/0x1a0
[  279.794506]  ? __x64_sys_bpf+0x3d8/0x510
[  279.798571]  ? bpf_prog_get+0x20/0x20
[  279.802392]  ? ksys_ioctl+0x81/0xd0
[  279.806105]  ? do_syscall_64+0x1b9/0x820
[  279.810231]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.815600]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.820535]  ? trace_hardirqs_off+0x300/0x300
[  279.825033]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.830048]  ? recalc_sigpending_tsk+0x180/0x180
[  279.834813]  ? kasan_check_write+0x14/0x20
[  279.839055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.843905]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.849294] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  279.849371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.856219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.856224] Call Trace:
[  279.856231]  <IRQ>
[  279.856247]  dump_stack+0x1c4/0x2b4
[  279.856269]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.862845] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.872101]  warn_alloc.cold.118+0xb7/0x1bd
[  279.874656] syz-executor2 cpuset=
[  279.876805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.880401] syz2
[  279.885583]  ? lock_downgrade+0x900/0x900
[  279.896045]  mems_allowed=0
[  279.900358]  ? trace_hardirqs_off+0xb8/0x300
[  279.922032]  ? trace_hardirqs_off+0xb8/0x300
[  279.926451]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.931321]  ? warn_alloc+0x120/0x120
[  279.935129]  ? warn_alloc+0x120/0x120
[  279.938933]  ? print_usage_bug+0xc0/0xc0
[  279.942998]  ? warn_alloc+0x120/0x120
[  279.946808]  ? print_usage_bug+0xc0/0xc0
[  279.950882]  ? __lock_acquire+0x7ec/0x4ec0
[  279.955114]  ? __lock_acquire+0x7ec/0x4ec0
[  279.959354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.964891]  ? should_fail+0x22d/0xd01
[  279.968809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.973921]  ? __lock_acquire+0x7ec/0x4ec0
[  279.978219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.983322]  ? __lock_acquire+0x7ec/0x4ec0
[  279.987556]  ? should_fail+0x22d/0xd01
[  279.991453]  ? mark_held_locks+0x130/0x130
[  279.995956]  ? mark_held_locks+0x130/0x130
[  280.000193]  ? graph_lock+0x170/0x170
[  280.003991]  ? graph_lock+0x170/0x170
[  280.007791]  ? graph_lock+0x170/0x170
[  280.011619]  ? print_usage_bug+0xc0/0xc0
[  280.015708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.021262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.026807]  ? check_preemption_disabled+0x48/0x200
[  280.031849]  ? check_preemption_disabled+0x48/0x200
[  280.036877]  ? __lock_is_held+0xb5/0x140
[  280.040946]  __alloc_pages_nodemask+0xa80/0xde0
[  280.045615]  ? graph_lock+0x170/0x170
[  280.049423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.054436]  ? graph_lock+0x170/0x170
[  280.058246]  ? find_held_lock+0x36/0x1c0
[  280.062346]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.067015]  ? lock_downgrade+0x900/0x900
[  280.071170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.076731]  cache_grow_begin+0x91/0x8c0
[  280.080814]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.085237]  fallback_alloc+0x203/0x2e0
[  280.089266]  ____cache_alloc_node+0x1c7/0x1e0
[  280.093764]  kmem_cache_alloc_node+0xe3/0x730
[  280.098284]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.102544]  __alloc_skb+0x119/0x770
[  280.106258]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.111540]  ? skb_scrub_packet+0x490/0x490
[  280.115860]  ? lock_downgrade+0x900/0x900
[  280.120018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.125557]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.131023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.136474]  ? addrconf_rs_timer+0x6f0/0x6f0
[  280.140930]  ndisc_alloc_skb+0x144/0x340
[  280.144997]  ndisc_send_rs+0x331/0x6e0
[  280.148892]  addrconf_rs_timer+0x3c0/0x6f0
[  280.153133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.157384]  call_timer_fn+0x272/0x920
[  280.161278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.165517]  ? process_timeout+0x40/0x40
[  280.169574]  ? find_held_lock+0x36/0x1c0
[  280.173645]  ? mark_held_locks+0xc7/0x130
[  280.177805]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.182320]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.186838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.191072]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  280.195658]  ? trace_hardirqs_on+0xbd/0x310
[  280.199985]  ? kasan_check_read+0x11/0x20
[  280.204137]  ? __run_timers+0x7da/0xc70
[  280.208113]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.213603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.217849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.222088]  __run_timers+0x7e5/0xc70
[  280.225902]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  280.231270]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.236301]  ? graph_lock+0x170/0x170
[  280.240104]  ? print_usage_bug+0xc0/0xc0
[  280.244162]  ? lock_release+0x970/0x970
[  280.248227]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.253442]  ? find_held_lock+0x36/0x1c0
[  280.257511]  ? graph_lock+0x170/0x170
[  280.261321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.266865]  ? check_preemption_disabled+0x48/0x200
[  280.271895]  ? __lock_is_held+0xb5/0x140
[  280.275959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.281497]  ? check_preemption_disabled+0x48/0x200
[  280.286550]  run_timer_softirq+0x52/0xb0
[  280.290610]  ? rcu_read_lock_sched_held+0x108/0x120
[  280.295654]  __do_softirq+0x30b/0xad8
[  280.299515]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  280.304629]  ? pvclock_read_flags+0x160/0x160
[  280.309127]  ? lapic_next_event+0x5a/0x90
[  280.313279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.318827]  ? check_preemption_disabled+0x48/0x200
[  280.323848]  ? check_preemption_disabled+0x48/0x200
[  280.328878]  ? kvm_clock_read+0x18/0x30
[  280.332854]  ? kvm_sched_clock_read+0x9/0x20
[  280.337265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.342813]  ? check_preemption_disabled+0x48/0x200
[  280.347857]  irq_exit+0x17f/0x1c0
[  280.351317]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.356163]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.362047]  ? interrupt_entry+0xb5/0xf0
[  280.366109]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.371125]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.376145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.380992]  ? trace_hardirqs_off+0x300/0x300
[  280.385488]  ? trace_hardirqs_off+0x300/0x300
[  280.389984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.395526]  ? check_preemption_disabled+0x48/0x200
[  280.400542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.406090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.410944]  apic_timer_interrupt+0xf/0x20
[  280.415174]  </IRQ>
[  280.417428] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  280.422724] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  280.441626] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  280.449338] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  280.456603] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  280.463868] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  280.471135] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  280.478403] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  280.485727]  ? arch_local_irq_restore+0x45/0x52
[  280.490405]  dump_stack+0x26a/0x2b4
[  280.494034]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.499231]  ? mark_held_locks+0x130/0x130
[  280.503465]  ? mark_held_locks+0x130/0x130
[  280.507704]  dump_header+0x27b/0xf72
[  280.511433]  ? pagefault_out_of_memory+0x197/0x197
[  280.516364]  ? mark_held_locks+0x130/0x130
[  280.520618]  ? __lock_acquire+0x7ec/0x4ec0
[  280.524871]  ? mem_cgroup_charge_statistics+0x780/0x780
[  280.530237]  ? print_usage_bug+0xc0/0xc0
[  280.534301]  ? print_usage_bug+0xc0/0xc0
[  280.538369]  ? graph_lock+0x170/0x170
[  280.542168]  ? graph_lock+0x170/0x170
[  280.545969]  ? print_usage_bug+0xc0/0xc0
[  280.550029]  ? print_usage_bug+0xc0/0xc0
[  280.554097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.559642]  ? find_held_lock+0x36/0x1c0
[  280.563711]  ? mark_held_locks+0xc7/0x130
[  280.567882]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.573001]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.578107]  ? lockdep_hardirqs_on+0x421/0x5c0
[  280.582694]  ? trace_hardirqs_on+0xbd/0x310
[  280.587017]  ? kasan_check_read+0x11/0x20
[  280.591166]  ? ___ratelimit+0x36f/0x655
[  280.595139]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.600588]  ? trace_hardirqs_on+0x310/0x310
[  280.604995]  ? lock_downgrade+0x900/0x900
[  280.609150]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.614255]  ? ___ratelimit+0xaa/0x655
[  280.618145]  ? idr_get_free+0xec0/0xec0
[  280.622124]  ? kasan_check_write+0x14/0x20
[  280.626363]  ? do_raw_spin_lock+0xc1/0x200
[  280.630616]  oom_kill_process.cold.27+0x10/0x903
[  280.635373]  ? graph_lock+0x170/0x170
[  280.639186]  ? _raw_spin_unlock+0x2c/0x50
[  280.643331]  ? oom_badness+0xe6/0xaa0
[  280.647139]  ? oom_evaluate_task+0x540/0x540
[  280.651554]  ? find_held_lock+0x36/0x1c0
[  280.655625]  ? out_of_memory+0x974/0x14c0
[  280.659779]  ? lock_downgrade+0x900/0x900
[  280.663948]  ? check_preemption_disabled+0x48/0x200
[  280.668970]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.674772]  ? kasan_check_read+0x11/0x20
[  280.678929]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.684209]  ? rcu_bh_qs+0xc0/0xc0
[  280.687831]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.692859]  ? oom_evaluate_task+0x302/0x540
[  280.697283]  out_of_memory+0xa86/0x14c0
[  280.701272]  ? oom_killer_disable+0x3a0/0x3a0
[  280.705785]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  280.710733]  ? __mutex_add_waiter+0x2a0/0x2a0
[  280.715244]  __alloc_pages_slowpath+0x2318/0x2d80
[  280.720120]  ? warn_alloc+0x120/0x120
[  280.723937]  ? find_get_entry+0x2f2/0xc40
[  280.728094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.733636]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  280.738567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.744107]  ? should_fail+0x22d/0xd01
[  280.748001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.753107]  ? __lock_is_held+0xb5/0x140
[  280.757198]  ? __lock_is_held+0xb5/0x140
[  280.761265]  ? find_held_lock+0x36/0x1c0
[  280.765331]  ? ___might_sleep+0x1ed/0x300
[  280.769479]  ? lock_release+0x970/0x970
[  280.773452]  ? arch_local_save_flags+0x40/0x40
[  280.778045]  ? __might_sleep+0x95/0x190
[  280.782032]  __alloc_pages_nodemask+0xa80/0xde0
[  280.786708]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.791731]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.797532]  ? kasan_check_read+0x11/0x20
[  280.801684]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.806964]  ? graph_lock+0x170/0x170
[  280.810776]  ? print_usage_bug+0xc0/0xc0
[  280.814880]  ? graph_lock+0x170/0x170
[  280.818681]  ? graph_lock+0x170/0x170
[  280.822484]  ? __do_page_cache_readahead+0x7ce/0x980
[  280.827592]  ? find_held_lock+0x36/0x1c0
[  280.831674]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.837250]  alloc_pages_current+0x10c/0x210
[  280.841671]  ? lock_downgrade+0x900/0x900
[  280.845837]  __page_cache_alloc+0x38f/0x5b0
[  280.850164]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.855980]  ? kasan_check_read+0x11/0x20
[  280.860130]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.865414]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  280.870084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.875626]  ? check_preemption_disabled+0x48/0x200
[  280.880649]  filemap_fault+0x1594/0x25f0
[  280.884728]  ? __lock_page_or_retry+0xa00/0xa00
[  280.889396]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.895193]  ? kasan_check_read+0x11/0x20
[  280.899345]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.904623]  ? rcu_bh_qs+0xc0/0xc0
[  280.908176]  ? filemap_map_pages+0xdea/0x1980
[  280.912683]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.917790]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  280.923088]  ? debug_object_free+0x325/0x690
[  280.927500]  ? find_get_pages_range_tag+0x1320/0x1320
[  280.932696]  ? graph_lock+0x170/0x170
[  280.936506]  ? kasan_check_read+0x11/0x20
[  280.940654]  ? debug_object_destroy+0x2b0/0x2b0
[  280.945335]  ? lock_acquire+0x1ed/0x520
[  280.949325]  ? ext4_filemap_fault+0x7a/0xad
[  280.953656]  ? lock_release+0x970/0x970
[  280.957630]  ? arch_local_save_flags+0x40/0x40
[  280.962221]  ? futex_wait_setup+0x3e0/0x3e0
[  280.966554]  ? down_read+0xb0/0x1d0
[  280.970182]  ? ext4_filemap_fault+0x7a/0xad
[  280.974502]  ? __down_interruptible+0x700/0x700
[  280.979193]  ext4_filemap_fault+0x82/0xad
[  280.983344]  __do_fault+0x100/0x6b0
[  280.986975]  ? print_bad_pte+0x6c0/0x6c0
[  280.991041]  ? do_futex+0x249/0x26d0
[  280.994760]  ? pmd_val+0x88/0x100
[  280.998214]  ? add_mm_counter_fast+0xd0/0xd0
[  281.002621]  ? pmd_val+0x88/0x100
[  281.006075]  ? add_mm_counter_fast+0xd0/0xd0
[  281.010492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.016033]  __handle_mm_fault+0x3709/0x53e0
[  281.020466]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  281.025314]  ? graph_lock+0x170/0x170
[  281.029133]  ? print_usage_bug+0xc0/0xc0
[  281.033198]  ? graph_lock+0x170/0x170
[  281.036997]  ? graph_lock+0x170/0x170
[  281.040831]  ? handle_mm_fault+0x42a/0xc70
[  281.045068]  ? lock_downgrade+0x900/0x900
[  281.049217]  ? check_preemption_disabled+0x48/0x200
[  281.054239]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  281.060035]  ? kasan_check_read+0x11/0x20
[  281.064183]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.069463]  ? rcu_bh_qs+0xc0/0xc0
[  281.073009]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.078902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.084446]  ? check_preemption_disabled+0x48/0x200
[  281.089474]  handle_mm_fault+0x54f/0xc70
[  281.093539]  ? __handle_mm_fault+0x53e0/0x53e0
[  281.098123]  ? find_vma+0x34/0x190
[  281.101669]  __do_page_fault+0x67d/0xed0
[  281.105742]  ? mm_fault_error+0x380/0x380
[  281.109888]  ? trace_hardirqs_off+0xb8/0x300
[  281.114294]  ? trace_hardirqs_on+0x310/0x310
[  281.118708]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.124070]  ? trace_hardirqs_on+0x310/0x310
[  281.128488]  do_page_fault+0xf2/0x7e0
[  281.132291]  ? vmalloc_sync_all+0x30/0x30
[  281.136442]  ? error_entry+0x70/0xd0
[  281.140157]  ? trace_hardirqs_off_caller+0xbb/0x300
[  281.145174]  ? trace_hardirqs_on_caller+0xc0/0x300
[  281.150106]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.155034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.159879]  ? trace_hardirqs_off+0x300/0x300
[  281.164377]  ? trace_hardirqs_off_caller+0x300/0x300
[  281.169492]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.174508]  ? page_fault+0x8/0x30
[  281.178058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.182903]  ? page_fault+0x8/0x30
[  281.186444]  page_fault+0x1e/0x30
[  281.189913] RIP: 0033:0x40f9c0
[  281.193108] Code: Bad RIP value.
[  281.196466] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  281.201839] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  281.209335] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  281.216601] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  281.223867] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  281.231135] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  281.238423] warn_alloc_show_mem: 1 callbacks suppressed
[  281.238435] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  281.238437] Mem-Info:
[  281.238469] active_anon:52539 inactive_anon:923 isolated_anon:0
[  281.238469]  active_file:16 inactive_file:19 isolated_file:0
[  281.238469]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.238469]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  281.238469]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  281.238469]  free:13650 free_pcp:205 free_cma:0
[  281.243816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.251098] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.253493] Call Trace:
[  281.286449] Node 0 
[  281.295806]  <IRQ>
[  281.323580] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.326138]  dump_stack+0x1c4/0x2b4
[  281.328348] lowmem_reserve[]:
[  281.330491]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.355970]  0 2817
[  281.359612]  warn_alloc.cold.118+0xb7/0x1bd
[  281.362680]  6321
[  281.367861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.370073]  6321
[  281.374387]  ? lock_downgrade+0x900/0x900
[  281.381277]  ? trace_hardirqs_off+0xb8/0x300
[  281.383322] Node 0 DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.387483]  ? trace_hardirqs_off+0xb8/0x300
[  281.391862] lowmem_reserve[]:
[  281.419446]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.423831]  0
[  281.426953]  ? warn_alloc+0x120/0x120
[  281.431746]  0
[  281.433544]  ? trace_hardirqs_on+0x310/0x310
[  281.437311]  3503 3503
[  281.439120]  ? warn_alloc+0x120/0x120
[  281.443501] Node 0 
[  281.445992]  ? print_usage_bug+0xc0/0xc0
[  281.449863] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  281.452046]  ? warn_alloc+0x120/0x120
[  281.456072] lowmem_reserve[]: 0
[  281.484440]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.488215]  0
[  281.491488]  ? print_usage_bug+0xc0/0xc0
[  281.496501]  0
[  281.498299]  ? __lock_acquire+0x7ec/0x4ec0
[  281.502335]  0
[  281.504131]  ? __lock_acquire+0x7ec/0x4ec0
[  281.510165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.514384] Node 0 
[  281.519915]  ? should_fail+0x22d/0xd01
[  281.519918] DMA: 1*4kB 
[  281.522160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.526021] (U) 
[  281.528597]  ? __lock_acquire+0x7ec/0x4ec0
[  281.533673] 0*8kB 
[  281.535645]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.539856] 0*16kB 
[  281.541997]  ? __lock_acquire+0x7ec/0x4ec0
[  281.547092] 1*32kB 
[  281.549328]  ? should_fail+0x22d/0xd01
[  281.553531] (U) 
[  281.555762]  ? print_usage_bug+0xc0/0xc0
[  281.559638] 2*64kB (U) 
[  281.561623]  ? mark_held_locks+0x130/0x130
[  281.565655] 1*128kB 
[  281.568249]  ? mark_held_locks+0x130/0x130
[  281.572460] (U) 
[  281.574779]  ? graph_lock+0x170/0x170
[  281.578981] 1*256kB (U) 
[  281.580959]  ? print_usage_bug+0xc0/0xc0
[  281.584737] 0*512kB 
[  281.587402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.591438] 1*1024kB 
[  281.593757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.598486] (U) 
[  281.600895]  ? check_preemption_disabled+0x48/0x200
[  281.606404] 1*2048kB 
[  281.608378]  ? check_preemption_disabled+0x48/0x200
[  281.613379] (M) 
[  281.615811]  ? __lock_is_held+0xb5/0x140
[  281.620825] 3*4096kB 
[  281.622802]  __alloc_pages_nodemask+0xa80/0xde0
[  281.626847] (M) = 15908kB
[  281.629291]  ? graph_lock+0x170/0x170
[  281.633937] Node 0 
[  281.636689]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.640463] DMA32: 
[  281.642707]  ? graph_lock+0x170/0x170
[  281.647706] 2*4kB 
[  281.649969]  ? find_held_lock+0x36/0x1c0
[  281.653740] (M) 
[  281.655889]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.659937] 1*8kB 
[  281.661908]  ? lock_downgrade+0x900/0x900
[  281.666551] (U) 
[  281.668703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.672842] 4*16kB 
[  281.674822]  cache_grow_begin+0x91/0x8c0
[  281.680338] (UM) 
[  281.682569]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.686603] 2*32kB 
[  281.688663]  fallback_alloc+0x203/0x2e0
[  281.693042] (UM) 
[  281.695276]  ____cache_alloc_node+0x1c7/0x1e0
[  281.699221] 3*64kB 
[  281.701277]  kmem_cache_alloc_node+0xe3/0x730
[  281.705757] (UM) 
[  281.707991]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.712457] 4*128kB 
[  281.714527]  __alloc_skb+0x119/0x770
[  281.718730] (UM) 
[  281.721050]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.724734] 2*256kB 
[  281.726789]  ? skb_scrub_packet+0x490/0x490
[  281.732044] (M) 
[  281.734361]  ? lock_downgrade+0x900/0x900
[  281.738657] 4*512kB 
[  281.740629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.744744] (UM) 
[  281.747062]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.752570] 3*1024kB (M) 
[  281.754638]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.760056] 1*2048kB (M) 
[  281.762823]  ? addrconf_rs_timer+0x6f0/0x6f0
[  281.768248] 4*4096kB 
[  281.771011]  ndisc_alloc_skb+0x144/0x340
[  281.775380] (M) 
[  281.777785]  ndisc_send_rs+0x331/0x6e0
[  281.781832] = 24912kB
[  281.783811]  addrconf_rs_timer+0x3c0/0x6f0
[  281.787677] Node 0 
[  281.790080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.794289] Normal: 
[  281.796529]  call_timer_fn+0x272/0x920
[  281.800728] 2389*4kB 
[  281.803043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.806905] (UME) 
[  281.809311]  ? process_timeout+0x40/0x40
[  281.813520] 378*8kB 
[  281.815660]  ? find_held_lock+0x36/0x1c0
[  281.819689] (UME) 73*16kB 
[  281.822028]  ? __run_timers+0x7da/0xc70
[  281.826056] (UM) 
[  281.828897]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.832848] 1*32kB 
[  281.834904]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.839374] (U) 
[  281.841607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.846074] 0*64kB 0*128kB 
[  281.848057]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  281.852264] 0*256kB 
[  281.855188]  ? trace_hardirqs_on+0xbd/0x310
[  281.859744] 0*512kB 
[  281.862061]  ? kasan_check_read+0x11/0x20
[  281.866354] 0*1024kB 
[  281.868671]  ? __run_timers+0x7da/0xc70
[  281.872787] 0*2048kB 0*4096kB 
[  281.875213]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.879160] = 13780kB
[  281.882349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.887780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.890194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.894412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.903234]  __run_timers+0x7e5/0xc70
[  281.907457] 4510 total pagecache pages
[  281.916050]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.919836] 0 pages in swap cache
[  281.923704]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.929053] Swap cache stats: add 0, delete 0, find 0/0
[  281.929062] Free swap  = 0kB
[  281.932516]  ? rcu_bh_qs+0xc0/0xc0
[  281.937766] Total swap = 0kB
[  281.943122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.946112] 1965979 pages RAM
[  281.949645]  ? check_preemption_disabled+0x48/0x200
[  281.952634] 0 pages HighMem/MovableOnly
[  281.958166]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.961243] 342744 pages reserved
[  281.966252]  ? retint_kernel+0x2d/0x2d
[  281.970200] 0 pages cma reserved
[  281.974947]  ? trace_hardirqs_on_caller+0xc0/0x300
[  281.978439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.982249]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.982264]  ? trace_hardirqs_off_caller+0x300/0x300
[  281.982285]  ? check_preemption_disabled+0x48/0x200
[  281.985689] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.990549]  ? graph_lock+0x170/0x170
[  281.997021] syz-fuzzer cpuset=
[  282.001769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.006843] /
[  282.011866]  ? check_preemption_disabled+0x48/0x200
[  282.022068]  mems_allowed=0
[  282.025867]  ? __lock_is_held+0xb5/0x140
[  282.048217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.053753]  ? check_preemption_disabled+0x48/0x200
[  282.058775]  run_timer_softirq+0x52/0xb0
[  282.062844]  ? rcu_read_lock_sched_held+0x108/0x120
[  282.067862]  __do_softirq+0x30b/0xad8
[  282.071673]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.076783]  ? pvclock_read_flags+0x160/0x160
[  282.081287]  ? lapic_next_event+0x5a/0x90
[  282.085442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.090983]  ? check_preemption_disabled+0x48/0x200
[  282.096001]  ? check_preemption_disabled+0x48/0x200
[  282.101029]  ? kvm_clock_read+0x18/0x30
[  282.105003]  ? kvm_sched_clock_read+0x9/0x20
[  282.109414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.114952]  ? check_preemption_disabled+0x48/0x200
[  282.119979]  irq_exit+0x17f/0x1c0
[  282.123453]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.128313]  ? smp_reschedule_interrupt+0x109/0x650
[  282.133344]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.139232]  ? interrupt_entry+0xb5/0xf0
[  282.143296]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.148324]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.153363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.158208]  ? trace_hardirqs_off+0x300/0x300
[  282.162706]  ? trace_hardirqs_off+0x300/0x300
[  282.167203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.172743]  ? check_preemption_disabled+0x48/0x200
[  282.177757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.183301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.188158]  apic_timer_interrupt+0xf/0x20
[  282.192389]  </IRQ>
[  282.194631] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.199560] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  282.218463] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  282.226178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  282.233447] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  282.240718] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  282.247983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  282.255248] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  282.262562]  skb_clone+0x1bb/0x500
[  282.266107]  ? finish_task_switch+0x2f5/0x900
[  282.270607]  ? skb_split+0x11e0/0x11e0
[  282.274518]  ? preempt_notifier_register+0x200/0x200
[  282.279621]  ? __switch_to_asm+0x34/0x70
[  282.283683]  ? __switch_to_asm+0x34/0x70
[  282.287741]  ? __switch_to_asm+0x40/0x70
[  282.291808]  ? __switch_to_asm+0x34/0x70
[  282.295868]  ? __switch_to_asm+0x40/0x70
[  282.299932]  ? __switch_to_asm+0x34/0x70
[  282.303989]  ? __switch_to_asm+0x40/0x70
[  282.308046]  ? __switch_to_asm+0x34/0x70
[  282.312109]  ? __switch_to_asm+0x34/0x70
[  282.316173]  ? __switch_to_asm+0x40/0x70
[  282.320235]  ? __switch_to_asm+0x34/0x70
[  282.324303]  bpf_clone_redirect+0xb9/0x490
[  282.328546]  ? __schedule+0x874/0x1ed0
[  282.332443]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  282.337465]  ? __sched_text_start+0x8/0x8
[  282.341618]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.346386]  ? find_held_lock+0x36/0x1c0
[  282.350455]  ? lock_acquire+0x1ed/0x520
[  282.354431]  ? bpf_test_run+0x32e/0x5a0
[  282.358414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.363955]  ? check_preemption_disabled+0x48/0x200
[  282.368984]  ? kasan_check_read+0x11/0x20
[  282.373137]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.378417]  ? rcu_bh_qs+0xc0/0xc0
[  282.381964]  ? preempt_schedule+0x4d/0x60
[  282.386117]  ? ___preempt_schedule+0x16/0x18
[  282.390538]  ? bpf_test_run+0x1c0/0x5a0
[  282.394521]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.398934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.404472]  ? bpf_test_init.isra.9+0x70/0x100
[  282.409059]  ? bpf_prog_test_run_skb+0x634/0xb40
[  282.413828]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.418674]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.424214]  ? fput+0x130/0x1a0
[  282.427495]  ? __bpf_prog_get+0x9b/0x290
[  282.431562]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.436408]  ? bpf_prog_test_run+0x130/0x1a0
[  282.440826]  ? __x64_sys_bpf+0x3d8/0x510
[  282.444895]  ? bpf_prog_get+0x20/0x20
[  282.448710]  ? ksys_ioctl+0x81/0xd0
[  282.452352]  ? do_syscall_64+0x1b9/0x820
[  282.456417]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.461783]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.466724]  ? trace_hardirqs_off+0x300/0x300
[  282.471225]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.476244]  ? recalc_sigpending_tsk+0x180/0x180
[  282.481005]  ? kasan_check_write+0x14/0x20
[  282.485251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.490129]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.495518] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  282.495591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.502443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.502449] Call Trace:
[  282.502455]  <IRQ>
[  282.502472]  dump_stack+0x1c4/0x2b4
[  282.502488]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.502515]  warn_alloc.cold.118+0xb7/0x1bd
[  282.509045] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.518340]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.520904] syz-executor2 cpuset=
[  282.523048]  ? lock_downgrade+0x900/0x900
[  282.526650] syz2
[  282.531846]  ? trace_hardirqs_off+0xb8/0x300
[  282.536144]  mems_allowed=0
[  282.546620]  ? trace_hardirqs_off+0xb8/0x300
[  282.572673]  __alloc_pages_slowpath+0x2667/0x2d80
[  282.577545]  ? warn_alloc+0x120/0x120
[  282.581352]  ? warn_alloc+0x120/0x120
[  282.585155]  ? print_usage_bug+0xc0/0xc0
[  282.589216]  ? warn_alloc+0x120/0x120
[  282.593016]  ? print_usage_bug+0xc0/0xc0
[  282.597078]  ? __lock_acquire+0x7ec/0x4ec0
[  282.601313]  ? __lock_acquire+0x7ec/0x4ec0
[  282.605554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.611097]  ? should_fail+0x22d/0xd01
[  282.614991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.620097]  ? __lock_acquire+0x7ec/0x4ec0
[  282.624340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.629445]  ? __lock_acquire+0x7ec/0x4ec0
[  282.633679]  ? should_fail+0x22d/0xd01
[  282.637582]  ? mark_held_locks+0x130/0x130
[  282.641835]  ? mark_held_locks+0x130/0x130
[  282.646073]  ? graph_lock+0x170/0x170
[  282.649875]  ? graph_lock+0x170/0x170
[  282.653681]  ? graph_lock+0x170/0x170
[  282.657504]  ? print_usage_bug+0xc0/0xc0
[  282.661569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.667109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.672649]  ? check_preemption_disabled+0x48/0x200
[  282.677669]  ? check_preemption_disabled+0x48/0x200
[  282.682698]  ? __lock_is_held+0xb5/0x140
[  282.686768]  __alloc_pages_nodemask+0xa80/0xde0
[  282.691462]  ? graph_lock+0x170/0x170
[  282.695268]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  282.700281]  ? graph_lock+0x170/0x170
[  282.704095]  ? find_held_lock+0x36/0x1c0
[  282.708166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.712843]  ? lock_downgrade+0x900/0x900
[  282.717004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.722545]  cache_grow_begin+0x91/0x8c0
[  282.726608]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.731028]  fallback_alloc+0x203/0x2e0
[  282.735013]  ____cache_alloc_node+0x1c7/0x1e0
[  282.739518]  kmem_cache_alloc_node+0xe3/0x730
[  282.744020]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.748265]  __alloc_skb+0x119/0x770
[  282.751981]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.757262]  ? skb_scrub_packet+0x490/0x490
[  282.761585]  ? lock_downgrade+0x900/0x900
[  282.765741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.771279]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.776754]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.782208]  ? addrconf_rs_timer+0x6f0/0x6f0
[  282.786630]  ndisc_alloc_skb+0x144/0x340
[  282.790701]  ndisc_send_rs+0x331/0x6e0
[  282.794600]  addrconf_rs_timer+0x3c0/0x6f0
[  282.798847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.803097]  call_timer_fn+0x272/0x920
[  282.806986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.811222]  ? process_timeout+0x40/0x40
[  282.815285]  ? find_held_lock+0x36/0x1c0
[  282.819356]  ? mark_held_locks+0xc7/0x130
[  282.823503]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.827995]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.832486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.836720]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  282.841306]  ? trace_hardirqs_on+0xbd/0x310
[  282.845645]  ? kasan_check_read+0x11/0x20
[  282.849815]  ? __run_timers+0x7da/0xc70
[  282.853811]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.859277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.863521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.867755]  __run_timers+0x7e5/0xc70
[  282.871581]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.876951]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.881972]  ? graph_lock+0x170/0x170
[  282.885780]  ? print_usage_bug+0xc0/0xc0
[  282.889853]  ? lock_release+0x970/0x970
[  282.893842]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.899042]  ? find_held_lock+0x36/0x1c0
[  282.903107]  ? graph_lock+0x170/0x170
[  282.906918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.912459]  ? check_preemption_disabled+0x48/0x200
[  282.917485]  ? __lock_is_held+0xb5/0x140
[  282.921546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.927084]  ? check_preemption_disabled+0x48/0x200
[  282.932131]  run_timer_softirq+0x52/0xb0
[  282.936200]  ? rcu_read_lock_sched_held+0x108/0x120
[  282.941225]  __do_softirq+0x30b/0xad8
[  282.945037]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.950146]  ? pvclock_read_flags+0x160/0x160
[  282.954645]  ? lapic_next_event+0x5a/0x90
[  282.958807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.964361]  ? check_preemption_disabled+0x48/0x200
[  282.969408]  ? check_preemption_disabled+0x48/0x200
[  282.974433]  ? kvm_clock_read+0x18/0x30
[  282.978435]  ? kvm_sched_clock_read+0x9/0x20
[  282.982861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.988402]  ? check_preemption_disabled+0x48/0x200
[  282.993432]  irq_exit+0x17f/0x1c0
[  282.996890]  smp_apic_timer_interrupt+0x1cb/0x760
[  283.001737]  ? smp_call_function_single_interrupt+0x650/0x650
[  283.007623]  ? interrupt_entry+0xb5/0xf0
[  283.011689]  ? trace_hardirqs_off_caller+0xbb/0x300
[  283.016708]  ? trace_hardirqs_off_caller+0xbb/0x300
[  283.021725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.026570]  ? trace_hardirqs_off+0x300/0x300
[  283.031062]  ? trace_hardirqs_off+0x300/0x300
[  283.035556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.041100]  ? check_preemption_disabled+0x48/0x200
[  283.046114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.051661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.056511]  apic_timer_interrupt+0xf/0x20
[  283.060742]  </IRQ>
[  283.062985] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  283.068261] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  283.087664] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  283.095391] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  283.102655] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  283.109920] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  283.117185] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  283.124453] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  283.131745]  ? arch_local_irq_restore+0x45/0x52
[  283.136423]  dump_stack+0x26a/0x2b4
[  283.140055]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.145251]  ? mark_held_locks+0x130/0x130
[  283.149490]  ? mark_held_locks+0x130/0x130
[  283.153729]  dump_header+0x27b/0xf72
[  283.157455]  ? pagefault_out_of_memory+0x197/0x197
[  283.162388]  ? mark_held_locks+0x130/0x130
[  283.166638]  ? __lock_acquire+0x7ec/0x4ec0
[  283.170873]  ? mem_cgroup_charge_statistics+0x780/0x780
[  283.176240]  ? print_usage_bug+0xc0/0xc0
[  283.180313]  ? print_usage_bug+0xc0/0xc0
[  283.184393]  ? graph_lock+0x170/0x170
[  283.188187]  ? graph_lock+0x170/0x170
[  283.191986]  ? print_usage_bug+0xc0/0xc0
[  283.196045]  ? print_usage_bug+0xc0/0xc0
[  283.200122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.205896]  ? find_held_lock+0x36/0x1c0
[  283.209968]  ? mark_held_locks+0xc7/0x130
[  283.214124]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.219225]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.224344]  ? lockdep_hardirqs_on+0x421/0x5c0
[  283.228950]  ? trace_hardirqs_on+0xbd/0x310
[  283.233304]  ? kasan_check_read+0x11/0x20
[  283.237482]  ? ___ratelimit+0x36f/0x655
[  283.241459]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.246909]  ? trace_hardirqs_on+0x310/0x310
[  283.251318]  ? lock_downgrade+0x900/0x900
[  283.255477]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.260616]  ? ___ratelimit+0xaa/0x655
[  283.264504]  ? idr_get_free+0xec0/0xec0
[  283.268479]  ? kasan_check_write+0x14/0x20
[  283.272713]  ? do_raw_spin_lock+0xc1/0x200
[  283.276957]  oom_kill_process.cold.27+0x10/0x903
[  283.281715]  ? graph_lock+0x170/0x170
[  283.285517]  ? _raw_spin_unlock+0x2c/0x50
[  283.289664]  ? oom_badness+0xe6/0xaa0
[  283.293472]  ? oom_evaluate_task+0x540/0x540
[  283.297884]  ? find_held_lock+0x36/0x1c0
[  283.301954]  ? out_of_memory+0x974/0x14c0
[  283.306103]  ? lock_downgrade+0x900/0x900
[  283.310265]  ? check_preemption_disabled+0x48/0x200
[  283.315315]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.321115]  ? kasan_check_read+0x11/0x20
[  283.325274]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.330583]  ? rcu_bh_qs+0xc0/0xc0
[  283.334132]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.339151]  ? oom_evaluate_task+0x302/0x540
[  283.343569]  out_of_memory+0xa86/0x14c0
[  283.347556]  ? oom_killer_disable+0x3a0/0x3a0
[  283.352070]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  283.357005]  ? __mutex_add_waiter+0x2a0/0x2a0
[  283.361510]  __alloc_pages_slowpath+0x2318/0x2d80
[  283.366439]  ? warn_alloc+0x120/0x120
[  283.370252]  ? find_get_entry+0x2f2/0xc40
[  283.374408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.379949]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  283.384880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.390423]  ? should_fail+0x22d/0xd01
[  283.394316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.399417]  ? __lock_is_held+0xb5/0x140
[  283.403548]  ? __lock_is_held+0xb5/0x140
[  283.407615]  ? find_held_lock+0x36/0x1c0
[  283.411681]  ? ___might_sleep+0x1ed/0x300
[  283.415838]  ? lock_release+0x970/0x970
[  283.419826]  ? arch_local_save_flags+0x40/0x40
[  283.424433]  ? __might_sleep+0x95/0x190
[  283.428420]  __alloc_pages_nodemask+0xa80/0xde0
[  283.433112]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.438134]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.443941]  ? kasan_check_read+0x11/0x20
[  283.448104]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.453384]  ? graph_lock+0x170/0x170
[  283.457190]  ? print_usage_bug+0xc0/0xc0
[  283.461280]  ? graph_lock+0x170/0x170
[  283.465078]  ? graph_lock+0x170/0x170
[  283.468879]  ? __do_page_cache_readahead+0x7ce/0x980
[  283.473992]  ? find_held_lock+0x36/0x1c0
[  283.478076]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  283.483619]  alloc_pages_current+0x10c/0x210
[  283.488025]  ? lock_downgrade+0x900/0x900
[  283.492179]  __page_cache_alloc+0x38f/0x5b0
[  283.496506]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.502317]  ? kasan_check_read+0x11/0x20
[  283.506469]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.511748]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  283.516421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.521962]  ? check_preemption_disabled+0x48/0x200
[  283.526986]  filemap_fault+0x1594/0x25f0
[  283.531059]  ? __lock_page_or_retry+0xa00/0xa00
[  283.535726]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.541522]  ? kasan_check_read+0x11/0x20
[  283.545674]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.550950]  ? rcu_bh_qs+0xc0/0xc0
[  283.554505]  ? filemap_map_pages+0xdea/0x1980
[  283.559007]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.564145]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  283.569422]  ? debug_object_free+0x325/0x690
[  283.573843]  ? find_get_pages_range_tag+0x1320/0x1320
[  283.579044]  ? graph_lock+0x170/0x170
[  283.582859]  ? kasan_check_read+0x11/0x20
[  283.587007]  ? debug_object_destroy+0x2b0/0x2b0
[  283.591692]  ? lock_acquire+0x1ed/0x520
[  283.595669]  ? ext4_filemap_fault+0x7a/0xad
[  283.599999]  ? lock_release+0x970/0x970
[  283.603974]  ? arch_local_save_flags+0x40/0x40
[  283.608564]  ? futex_wait_setup+0x3e0/0x3e0
[  283.612900]  ? down_read+0xb0/0x1d0
[  283.616528]  ? ext4_filemap_fault+0x7a/0xad
[  283.620857]  ? __down_interruptible+0x700/0x700
[  283.625544]  ext4_filemap_fault+0x82/0xad
[  283.629697]  __do_fault+0x100/0x6b0
[  283.633327]  ? print_bad_pte+0x6c0/0x6c0
[  283.637393]  ? do_futex+0x249/0x26d0
[  283.641110]  ? pmd_val+0x88/0x100
[  283.644566]  ? add_mm_counter_fast+0xd0/0xd0
[  283.648977]  ? pmd_val+0x88/0x100
[  283.652432]  ? add_mm_counter_fast+0xd0/0xd0
[  283.656866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.662409]  __handle_mm_fault+0x3709/0x53e0
[  283.666846]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  283.671710]  ? graph_lock+0x170/0x170
[  283.675542]  ? print_usage_bug+0xc0/0xc0
[  283.679630]  ? graph_lock+0x170/0x170
[  283.683429]  ? graph_lock+0x170/0x170
[  283.687297]  ? handle_mm_fault+0x42a/0xc70
[  283.691563]  ? lock_downgrade+0x900/0x900
[  283.695716]  ? check_preemption_disabled+0x48/0x200
[  283.700740]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.706540]  ? kasan_check_read+0x11/0x20
[  283.710691]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.715967]  ? rcu_bh_qs+0xc0/0xc0
[  283.719505]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.724982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.730521]  ? check_preemption_disabled+0x48/0x200
[  283.735549]  handle_mm_fault+0x54f/0xc70
[  283.739613]  ? __handle_mm_fault+0x53e0/0x53e0
[  283.744203]  ? find_vma+0x34/0x190
[  283.747748]  __do_page_fault+0x67d/0xed0
[  283.751833]  ? mm_fault_error+0x380/0x380
[  283.755986]  ? trace_hardirqs_off+0xb8/0x300
[  283.760397]  ? trace_hardirqs_on+0x310/0x310
[  283.764870]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  283.770232]  ? trace_hardirqs_on+0x310/0x310
[  283.774644]  do_page_fault+0xf2/0x7e0
[  283.778453]  ? vmalloc_sync_all+0x30/0x30
[  283.782603]  ? error_entry+0x70/0xd0
[  283.786320]  ? trace_hardirqs_off_caller+0xbb/0x300
[  283.791334]  ? trace_hardirqs_on_caller+0xc0/0x300
[  283.796264]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.801205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.806061]  ? trace_hardirqs_off+0x300/0x300
[  283.810558]  ? trace_hardirqs_off_caller+0x300/0x300
[  283.815669]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.820685]  ? page_fault+0x8/0x30
[  283.824225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.829075]  ? page_fault+0x8/0x30
[  283.832616]  page_fault+0x1e/0x30
[  283.836067] RIP: 0033:0x40f9c0
[  283.839260] Code: Bad RIP value.
[  283.842626] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  283.847989] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  283.855255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  283.862525] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  283.869790] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  283.877070] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  283.884358] warn_alloc_show_mem: 1 callbacks suppressed
[  283.884370] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  283.884372] Mem-Info:
[  283.884403] active_anon:52539 inactive_anon:923 isolated_anon:0
[  283.884403]  active_file:16 inactive_file:19 isolated_file:0
[  283.884403]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.884403]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  283.884403]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  283.884403]  free:13650 free_pcp:205 free_cma:0
[  283.889736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.889744] Call Trace:
[  283.897027] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.899442]  <IRQ>
[  283.932406] Node 0 
[  283.941769]  dump_stack+0x1c4/0x2b4
[  283.944355] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.972097]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.974223] lowmem_reserve[]:
[  283.976467]  warn_alloc.cold.118+0xb7/0x1bd
[  283.980058]  0
[  284.005560]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.010722]  2817
[  284.013837]  ? lock_downgrade+0x900/0x900
[  284.018130]  6321
[  284.019929]  ? trace_hardirqs_off+0xb8/0x300
[  284.024742]  6321
[  284.026808]  ? trace_hardirqs_off+0xb8/0x300
[  284.030931] Node 0 
[  284.032994]  __alloc_pages_slowpath+0x2667/0x2d80
[  284.037397] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.039451]  ? warn_alloc+0x120/0x120
[  284.043816] lowmem_reserve[]:
[  284.046054]  ? warn_alloc+0x120/0x120
[  284.050880]  0 0
[  284.077862]  ? print_usage_bug+0xc0/0xc0
[  284.081638]  3503
[  284.084735]  ? warn_alloc+0x120/0x120
[  284.088510]  3503
[  284.090480]  ? print_usage_bug+0xc0/0xc0
[  284.094514] Node 0 
[  284.096571]  ? __lock_acquire+0x7ec/0x4ec0
[  284.100372] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  284.102402]  ? __lock_acquire+0x7ec/0x4ec0
[  284.106433] lowmem_reserve[]: 0
[  284.108680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.112889]  0
[  284.141351]  ? should_fail+0x22d/0xd01
[  284.145560]  0
[  284.148844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.154354]  0
[  284.156150]  ? __lock_acquire+0x7ec/0x4ec0
[  284.161817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.166898] Node 0 
[  284.168741]  ? __lock_acquire+0x7ec/0x4ec0
[  284.172946] DMA: 1*4kB 
[  284.178049]  ? should_fail+0x22d/0xd01
[  284.180263] (U) 
[  284.184495]  ? mark_held_locks+0x130/0x130
[  284.187047] 0*8kB 0*16kB 
[  284.190936]  ? mark_held_locks+0x130/0x130
[  284.192881] 1*32kB (U) 
[  284.197114]  ? graph_lock+0x170/0x170
[  284.199849] 2*64kB 
[  284.204073]  ? graph_lock+0x170/0x170
[  284.206639] (U) 1*128kB 
[  284.210468]  ? graph_lock+0x170/0x170
[  284.212683] (U) 
[  284.216476]  ? print_usage_bug+0xc0/0xc0
[  284.219114] 1*256kB (U) 
[  284.222962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.224910] 0*512kB 
[  284.228965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.231610] 1*1024kB 
[  284.237144]  ? check_preemption_disabled+0x48/0x200
[  284.239468] (U) 
[  284.245015]  ? check_preemption_disabled+0x48/0x200
[  284.247402] 1*2048kB 
[  284.252419]  ? __lock_is_held+0xb5/0x140
[  284.254365] (M) 
[  284.259391]  __alloc_pages_nodemask+0xa80/0xde0
[  284.261778] 3*4096kB 
[  284.265851]  ? graph_lock+0x170/0x170
[  284.267813] (M) 
[  284.272475]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.274876] = 15908kB
[  284.278664]  ? graph_lock+0x170/0x170
[  284.280646] Node 0 
[  284.285662]  ? find_held_lock+0x36/0x1c0
[  284.288046] DMA32: 
[  284.291845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.294058] 2*4kB 
[  284.298127]  ? lock_downgrade+0x900/0x900
[  284.300342] (M) 
[  284.305009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.307129] 1*8kB (U) 
[  284.311277]  cache_grow_begin+0x91/0x8c0
[  284.313226] 4*16kB 
[  284.318755]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.321228] (UM) 
[  284.325288]  fallback_alloc+0x203/0x2e0
[  284.327498] 2*32kB 
[  284.331904]  ____cache_alloc_node+0x1c7/0x1e0
[  284.333938] (UM) 
[  284.337908]  kmem_cache_alloc_node+0xe3/0x730
[  284.340116] 3*64kB 
[  284.344620]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.346658] (UM) 
[  284.351163]  __alloc_skb+0x119/0x770
[  284.353368] 4*128kB 
[  284.357599]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.359636] (UM) 
[  284.363345]  ? skb_scrub_packet+0x490/0x490
[  284.365659] 2*256kB 
[  284.370929]  ? lock_downgrade+0x900/0x900
[  284.372968] (M) 
[  284.377286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.379580] 4*512kB 
[  284.383719]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.385668] (UM) 
[  284.391196]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.393509] 3*1024kB 
[  284.398959]  ? addrconf_rs_timer+0x6f0/0x6f0
[  284.400992] (M) 
[  284.406458]  ndisc_alloc_skb+0x144/0x340
[  284.408842] 1*2048kB 
[  284.413246]  ndisc_send_rs+0x331/0x6e0
[  284.415197] (M) 
[  284.419256]  addrconf_rs_timer+0x3c0/0x6f0
[  284.421639] 4*4096kB 
[  284.425524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.427472] (M) = 24912kB
[  284.431723]  call_timer_fn+0x272/0x920
[  284.434099] Node 0 
[  284.438334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.441054] Normal: 2389*4kB 
[  284.444946]  ? process_timeout+0x40/0x40
[  284.447155] (UME) 
[  284.451382]  ? find_held_lock+0x36/0x1c0
[  284.454462] 378*8kB 
[  284.458517]  ? __run_timers+0x7da/0xc70
[  284.460639] (UME) 
[  284.464695]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.466987] 73*16kB (UM) 
[  284.470964]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.473089] 1*32kB 
[  284.477575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.480307] (U) 
[  284.484824]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  284.487039] 0*64kB 
[  284.491267]  ? trace_hardirqs_on+0xbd/0x310
[  284.493215] 0*128kB 0*256kB 
[  284.497807]  ? kasan_check_read+0x11/0x20
[  284.500018] 0*512kB 
[  284.504338]  ? __run_timers+0x7da/0xc70
[  284.507325] 0*1024kB 0*2048kB 
[  284.511479]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.513779] 0*4096kB 
[  284.517752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.520917] = 13780kB
[  284.526358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.528764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.532990]  __run_timers+0x7e5/0xc70
[  284.535382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.539611]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.548413] 4510 total pagecache pages
[  284.552207]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.560760] 0 pages in swap cache
[  284.566109]  ? rcu_bh_qs+0xc0/0xc0
[  284.569976] Swap cache stats: add 0, delete 0, find 0/0
[  284.569984] Free swap  = 0kB
[  284.575256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.578676] Total swap = 0kB
[  284.578684] 1965979 pages RAM
[  284.582217]  ? check_preemption_disabled+0x48/0x200
[  284.587548] 0 pages HighMem/MovableOnly
[  284.587556] 342744 pages reserved
[  284.590569]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.596077] 0 pages cma reserved
[  284.596150] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.599099]  ? retint_kernel+0x2d/0x2d
[  284.602271] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.607193]  ? trace_hardirqs_on_caller+0xc0/0x300
[  284.611140] syz-fuzzer cpuset=
[  284.614589]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.619314] /
[  284.622682]  ? trace_hardirqs_off_caller+0x300/0x300
[  284.629148]  mems_allowed=0
[  284.633030]  ? check_preemption_disabled+0x48/0x200
[  284.670773]  ? graph_lock+0x170/0x170
[  284.674625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.680168]  ? check_preemption_disabled+0x48/0x200
[  284.685200]  ? __lock_is_held+0xb5/0x140
[  284.689261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.694810]  ? check_preemption_disabled+0x48/0x200
[  284.699841]  run_timer_softirq+0x52/0xb0
[  284.703906]  ? rcu_read_lock_sched_held+0x108/0x120
[  284.708924]  __do_softirq+0x30b/0xad8
[  284.712741]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.717854]  ? pvclock_read_flags+0x160/0x160
[  284.722354]  ? lapic_next_event+0x5a/0x90
[  284.726504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.732043]  ? check_preemption_disabled+0x48/0x200
[  284.737062]  ? check_preemption_disabled+0x48/0x200
[  284.742085]  ? kvm_clock_read+0x18/0x30
[  284.746065]  ? kvm_sched_clock_read+0x9/0x20
[  284.750476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.756015]  ? check_preemption_disabled+0x48/0x200
[  284.761047]  irq_exit+0x17f/0x1c0
[  284.764507]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.769355]  ? smp_reschedule_interrupt+0x109/0x650
[  284.774373]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.780281]  ? interrupt_entry+0xb5/0xf0
[  284.784346]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.789362]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.794379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.799222]  ? trace_hardirqs_off+0x300/0x300
[  284.803716]  ? trace_hardirqs_off+0x300/0x300
[  284.808214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.813777]  ? check_preemption_disabled+0x48/0x200
[  284.818814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.824360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.829212]  apic_timer_interrupt+0xf/0x20
[  284.833439]  </IRQ>
[  284.835679] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.840613] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  284.859515] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  284.867223] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.874490] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  284.881759] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  284.889024] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.896290] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  284.903608]  skb_clone+0x1bb/0x500
[  284.907150]  ? finish_task_switch+0x2f5/0x900
[  284.911644]  ? skb_split+0x11e0/0x11e0
[  284.915569]  ? preempt_notifier_register+0x200/0x200
[  284.920676]  ? __switch_to_asm+0x34/0x70
[  284.924740]  ? __switch_to_asm+0x34/0x70
[  284.928805]  ? __switch_to_asm+0x40/0x70
[  284.932877]  ? __switch_to_asm+0x34/0x70
[  284.936936]  ? __switch_to_asm+0x40/0x70
[  284.940994]  ? __switch_to_asm+0x34/0x70
[  284.945051]  ? __switch_to_asm+0x40/0x70
[  284.949113]  ? __switch_to_asm+0x34/0x70
[  284.953176]  ? __switch_to_asm+0x34/0x70
[  284.957241]  ? __switch_to_asm+0x40/0x70
[  284.961304]  ? __switch_to_asm+0x34/0x70
[  284.965381]  bpf_clone_redirect+0xb9/0x490
[  284.969617]  ? __schedule+0x874/0x1ed0
[  284.973510]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  284.978530]  ? __sched_text_start+0x8/0x8
[  284.982681]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.987451]  ? find_held_lock+0x36/0x1c0
[  284.991518]  ? lock_acquire+0x1ed/0x520
[  284.995490]  ? bpf_test_run+0x32e/0x5a0
[  284.999469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.005010]  ? check_preemption_disabled+0x48/0x200
[  285.010033]  ? kasan_check_read+0x11/0x20
[  285.014186]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.019467]  ? rcu_bh_qs+0xc0/0xc0
[  285.023008]  ? preempt_schedule+0x4d/0x60
[  285.027157]  ? ___preempt_schedule+0x16/0x18
[  285.031572]  ? bpf_test_run+0x1c0/0x5a0
[  285.035559]  ? netlink_diag_dump+0x2a0/0x2a0
[  285.039973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.045506]  ? bpf_test_init.isra.9+0x70/0x100
[  285.050115]  ? bpf_prog_test_run_skb+0x634/0xb40
[  285.054878]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  285.059730]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  285.065273]  ? fput+0x130/0x1a0
[  285.068552]  ? __bpf_prog_get+0x9b/0x290
[  285.072616]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  285.077696]  ? bpf_prog_test_run+0x130/0x1a0
[  285.082108]  ? __x64_sys_bpf+0x3d8/0x510
[  285.086167]  ? bpf_prog_get+0x20/0x20
[  285.089977]  ? ksys_ioctl+0x81/0xd0
[  285.093619]  ? do_syscall_64+0x1b9/0x820
[  285.097683]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  285.103052]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.108075]  ? trace_hardirqs_off+0x300/0x300
[  285.112587]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  285.117668]  ? recalc_sigpending_tsk+0x180/0x180
[  285.122436]  ? kasan_check_write+0x14/0x20
[  285.126680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.131562]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  285.136948] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  285.137020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.143873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.143878] Call Trace:
[  285.143885]  <IRQ>
[  285.143901]  dump_stack+0x1c4/0x2b4
[  285.143917]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.143943]  warn_alloc.cold.118+0xb7/0x1bd
[  285.150471] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.159760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.162327] syz-executor2 cpuset=
[  285.164467]  ? lock_downgrade+0x900/0x900
[  285.168076] syz2
[  285.173268]  ? trace_hardirqs_off+0xb8/0x300
[  285.177564]  mems_allowed=0
[  285.188073]  ? trace_hardirqs_off+0xb8/0x300
[  285.214447]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.219356]  ? warn_alloc+0x120/0x120
[  285.223176]  ? trace_hardirqs_on+0x310/0x310
[  285.227585]  ? warn_alloc+0x120/0x120
[  285.231389]  ? print_usage_bug+0xc0/0xc0
[  285.235454]  ? warn_alloc+0x120/0x120
[  285.239253]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  285.244270]  ? print_usage_bug+0xc0/0xc0
[  285.248335]  ? __lock_acquire+0x7ec/0x4ec0
[  285.252569]  ? __lock_acquire+0x7ec/0x4ec0
[  285.256815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.262399]  ? should_fail+0x22d/0xd01
[  285.266293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.271399]  ? __lock_acquire+0x7ec/0x4ec0
[  285.275685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.280788]  ? __lock_acquire+0x7ec/0x4ec0
[  285.285041]  ? should_fail+0x22d/0xd01
[  285.288928]  ? print_usage_bug+0xc0/0xc0
[  285.293003]  ? mark_held_locks+0x130/0x130
[  285.297252]  ? mark_held_locks+0x130/0x130
[  285.301509]  ? graph_lock+0x170/0x170
[  285.305336]  ? print_usage_bug+0xc0/0xc0
[  285.309425]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  285.314185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.319766]  ? check_preemption_disabled+0x48/0x200
[  285.324789]  ? check_preemption_disabled+0x48/0x200
[  285.329867]  ? __lock_is_held+0xb5/0x140
[  285.333934]  __alloc_pages_nodemask+0xa80/0xde0
[  285.338606]  ? graph_lock+0x170/0x170
[  285.342413]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.347428]  ? graph_lock+0x170/0x170
[  285.351238]  ? find_held_lock+0x36/0x1c0
[  285.355337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.360006]  ? lock_downgrade+0x900/0x900
[  285.364160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.369760]  cache_grow_begin+0x91/0x8c0
[  285.373857]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.378321]  fallback_alloc+0x203/0x2e0
[  285.382305]  ____cache_alloc_node+0x1c7/0x1e0
[  285.386825]  kmem_cache_alloc_node+0xe3/0x730
[  285.391342]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.395598]  __alloc_skb+0x119/0x770
[  285.399315]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.404595]  ? skb_scrub_packet+0x490/0x490
[  285.408915]  ? lock_downgrade+0x900/0x900
[  285.413074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.418615]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.424067]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.429520]  ? addrconf_rs_timer+0x6f0/0x6f0
[  285.433944]  ndisc_alloc_skb+0x144/0x340
[  285.438011]  ndisc_send_rs+0x331/0x6e0
[  285.441906]  addrconf_rs_timer+0x3c0/0x6f0
[  285.446145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.450498]  call_timer_fn+0x272/0x920
[  285.454389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.458628]  ? process_timeout+0x40/0x40
[  285.462691]  ? find_held_lock+0x36/0x1c0
[  285.466772]  ? mark_held_locks+0xc7/0x130
[  285.470929]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.475427]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.479920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.484153]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  285.488740]  ? trace_hardirqs_on+0xbd/0x310
[  285.493065]  ? kasan_check_read+0x11/0x20
[  285.497236]  ? __run_timers+0x7da/0xc70
[  285.501219]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.506678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.510920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.515154]  __run_timers+0x7e5/0xc70
[  285.518988]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.524355]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.529392]  ? graph_lock+0x170/0x170
[  285.533203]  ? print_usage_bug+0xc0/0xc0
[  285.537264]  ? lock_release+0x970/0x970
[  285.541255]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.546465]  ? find_held_lock+0x36/0x1c0
[  285.550537]  ? graph_lock+0x170/0x170
[  285.554361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.559901]  ? check_preemption_disabled+0x48/0x200
[  285.564928]  ? __lock_is_held+0xb5/0x140
[  285.568995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.574538]  ? check_preemption_disabled+0x48/0x200
[  285.579568]  run_timer_softirq+0x52/0xb0
[  285.583635]  ? rcu_read_lock_sched_held+0x108/0x120
[  285.588657]  __do_softirq+0x30b/0xad8
[  285.592473]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.597595]  ? pvclock_read_flags+0x160/0x160
[  285.602094]  ? lapic_next_event+0x5a/0x90
[  285.606246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.611788]  ? check_preemption_disabled+0x48/0x200
[  285.616833]  ? check_preemption_disabled+0x48/0x200
[  285.621863]  ? kvm_clock_read+0x18/0x30
[  285.625843]  ? kvm_sched_clock_read+0x9/0x20
[  285.630256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.635818]  ? check_preemption_disabled+0x48/0x200
[  285.640882]  irq_exit+0x17f/0x1c0
[  285.644340]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.649184]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.655067]  ? interrupt_entry+0xb5/0xf0
[  285.659134]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.664148]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.669165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.674009]  ? trace_hardirqs_off+0x300/0x300
[  285.678937]  ? trace_hardirqs_off+0x300/0x300
[  285.683433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.689768]  ? check_preemption_disabled+0x48/0x200
[  285.694787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.700351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.705309]  apic_timer_interrupt+0xf/0x20
[  285.709580]  </IRQ>
[  285.712004] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  285.717279] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  285.736176] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  285.743885] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  285.751152] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  285.758421] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  285.765710] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  285.772974] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  285.780260]  ? arch_local_irq_restore+0x45/0x52
[  285.784939]  dump_stack+0x26a/0x2b4
[  285.788571]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.793766]  ? mark_held_locks+0x130/0x130
[  285.798010]  ? mark_held_locks+0x130/0x130
[  285.802251]  dump_header+0x27b/0xf72
[  285.805984]  ? pagefault_out_of_memory+0x197/0x197
[  285.810916]  ? mark_held_locks+0x130/0x130
[  285.815149]  ? __lock_acquire+0x7ec/0x4ec0
[  285.819386]  ? mem_cgroup_charge_statistics+0x780/0x780
[  285.824752]  ? print_usage_bug+0xc0/0xc0
[  285.828828]  ? print_usage_bug+0xc0/0xc0
[  285.832897]  ? graph_lock+0x170/0x170
[  285.836693]  ? graph_lock+0x170/0x170
[  285.840496]  ? print_usage_bug+0xc0/0xc0
[  285.844553]  ? print_usage_bug+0xc0/0xc0
[  285.848626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.854167]  ? find_held_lock+0x36/0x1c0
[  285.858235]  ? mark_held_locks+0xc7/0x130
[  285.862390]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.867491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.872597]  ? lockdep_hardirqs_on+0x421/0x5c0
[  285.877179]  ? trace_hardirqs_on+0xbd/0x310
[  285.881505]  ? kasan_check_read+0x11/0x20
[  285.885652]  ? ___ratelimit+0x36f/0x655
[  285.889630]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.895080]  ? trace_hardirqs_on+0x310/0x310
[  285.899487]  ? lock_downgrade+0x900/0x900
[  285.903664]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.908788]  ? ___ratelimit+0xaa/0x655
[  285.912712]  ? idr_get_free+0xec0/0xec0
[  285.916749]  ? kasan_check_write+0x14/0x20
[  285.920983]  ? do_raw_spin_lock+0xc1/0x200
[  285.925227]  oom_kill_process.cold.27+0x10/0x903
[  285.929985]  ? graph_lock+0x170/0x170
[  285.933786]  ? _raw_spin_unlock+0x2c/0x50
[  285.937948]  ? oom_badness+0xe6/0xaa0
[  285.941756]  ? oom_evaluate_task+0x540/0x540
[  285.946172]  ? find_held_lock+0x36/0x1c0
[  285.950240]  ? out_of_memory+0x974/0x14c0
[  285.954388]  ? lock_downgrade+0x900/0x900
[  285.958541]  ? check_preemption_disabled+0x48/0x200
[  285.963565]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.969368]  ? kasan_check_read+0x11/0x20
[  285.973518]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.978805]  ? rcu_bh_qs+0xc0/0xc0
[  285.982386]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.987413]  ? oom_evaluate_task+0x302/0x540
[  285.991848]  out_of_memory+0xa86/0x14c0
[  285.995847]  ? oom_killer_disable+0x3a0/0x3a0
[  286.000346]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  286.005279]  ? __mutex_add_waiter+0x2a0/0x2a0
[  286.009785]  __alloc_pages_slowpath+0x2318/0x2d80
[  286.014668]  ? warn_alloc+0x120/0x120
[  286.018482]  ? find_get_entry+0x2f2/0xc40
[  286.022642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.028179]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  286.033108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.038644]  ? should_fail+0x22d/0xd01
[  286.042539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.047644]  ? __lock_is_held+0xb5/0x140
[  286.051733]  ? __lock_is_held+0xb5/0x140
[  286.055809]  ? find_held_lock+0x36/0x1c0
[  286.059879]  ? ___might_sleep+0x1ed/0x300
[  286.064028]  ? lock_release+0x970/0x970
[  286.068005]  ? arch_local_save_flags+0x40/0x40
[  286.072602]  ? __might_sleep+0x95/0x190
[  286.076582]  __alloc_pages_nodemask+0xa80/0xde0
[  286.081260]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.086279]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  286.092078]  ? kasan_check_read+0x11/0x20
[  286.096230]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.101509]  ? graph_lock+0x170/0x170
[  286.105312]  ? print_usage_bug+0xc0/0xc0
[  286.109381]  ? graph_lock+0x170/0x170
[  286.113180]  ? graph_lock+0x170/0x170
[  286.116983]  ? __do_page_cache_readahead+0x7ce/0x980
[  286.122095]  ? find_held_lock+0x36/0x1c0
[  286.126164]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  286.131709]  alloc_pages_current+0x10c/0x210
[  286.136119]  ? lock_downgrade+0x900/0x900
[  286.140274]  __page_cache_alloc+0x38f/0x5b0
[  286.144615]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  286.150450]  ? kasan_check_read+0x11/0x20
[  286.154604]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.159885]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  286.164559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.170104]  ? check_preemption_disabled+0x48/0x200
[  286.175128]  filemap_fault+0x1594/0x25f0
[  286.179206]  ? __lock_page_or_retry+0xa00/0xa00
[  286.183875]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  286.189675]  ? kasan_check_read+0x11/0x20
[  286.193835]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.199118]  ? rcu_bh_qs+0xc0/0xc0
[  286.202687]  ? filemap_map_pages+0xdea/0x1980
[  286.207191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.212303]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  286.217677]  ? debug_object_free+0x325/0x690
[  286.222111]  ? find_get_pages_range_tag+0x1320/0x1320
[  286.227304]  ? graph_lock+0x170/0x170
[  286.231117]  ? kasan_check_read+0x11/0x20
[  286.235266]  ? debug_object_destroy+0x2b0/0x2b0
[  286.239947]  ? lock_acquire+0x1ed/0x520
[  286.243924]  ? ext4_filemap_fault+0x7a/0xad
[  286.248255]  ? lock_release+0x970/0x970
[  286.252232]  ? arch_local_save_flags+0x40/0x40
[  286.256832]  ? futex_wait_setup+0x3e0/0x3e0
[  286.261167]  ? down_read+0xb0/0x1d0
[  286.264794]  ? ext4_filemap_fault+0x7a/0xad
[  286.269132]  ? __down_interruptible+0x700/0x700
[  286.273843]  ext4_filemap_fault+0x82/0xad
[  286.277996]  __do_fault+0x100/0x6b0
[  286.281631]  ? print_bad_pte+0x6c0/0x6c0
[  286.285696]  ? do_futex+0x249/0x26d0
[  286.289504]  ? pmd_val+0x88/0x100
[  286.292968]  ? add_mm_counter_fast+0xd0/0xd0
[  286.297373]  ? pmd_val+0x88/0x100
[  286.300843]  ? add_mm_counter_fast+0xd0/0xd0
[  286.305348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.310891]  __handle_mm_fault+0x3709/0x53e0
[  286.315309]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  286.320159]  ? graph_lock+0x170/0x170
[  286.323960]  ? print_usage_bug+0xc0/0xc0
[  286.328024]  ? graph_lock+0x170/0x170
[  286.331833]  ? graph_lock+0x170/0x170
[  286.335658]  ? handle_mm_fault+0x42a/0xc70
[  286.339898]  ? lock_downgrade+0x900/0x900
[  286.344053]  ? check_preemption_disabled+0x48/0x200
[  286.349078]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  286.354879]  ? kasan_check_read+0x11/0x20
[  286.359028]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.364311]  ? rcu_bh_qs+0xc0/0xc0
[  286.367859]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.373314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.378869]  ? check_preemption_disabled+0x48/0x200
[  286.383899]  handle_mm_fault+0x54f/0xc70
[  286.387970]  ? __handle_mm_fault+0x53e0/0x53e0
[  286.392556]  ? find_vma+0x34/0x190
[  286.396107]  __do_page_fault+0x67d/0xed0
[  286.400177]  ? mm_fault_error+0x380/0x380
[  286.404321]  ? trace_hardirqs_off+0xb8/0x300
[  286.408732]  ? trace_hardirqs_on+0x310/0x310
[  286.413145]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.418511]  ? trace_hardirqs_on+0x310/0x310
[  286.422924]  do_page_fault+0xf2/0x7e0
[  286.426731]  ? vmalloc_sync_all+0x30/0x30
[  286.430885]  ? error_entry+0x70/0xd0
[  286.434627]  ? trace_hardirqs_off_caller+0xbb/0x300
[  286.439645]  ? trace_hardirqs_on_caller+0xc0/0x300
[  286.444575]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.449502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.454347]  ? trace_hardirqs_off+0x300/0x300
[  286.458844]  ? trace_hardirqs_off_caller+0x300/0x300
[  286.463957]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.468975]  ? page_fault+0x8/0x30
[  286.472520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.477366]  ? page_fault+0x8/0x30
[  286.480907]  page_fault+0x1e/0x30
[  286.484357] RIP: 0033:0x40f9c0
[  286.487554] Code: Bad RIP value.
[  286.490919] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  286.496286] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  286.503552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  286.510838] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  286.518104] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  286.525370] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  286.532657] warn_alloc_show_mem: 1 callbacks suppressed
[  286.532670] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  286.532671] Mem-Info:
[  286.532703] active_anon:52539 inactive_anon:923 isolated_anon:0
[  286.532703]  active_file:16 inactive_file:19 isolated_file:0
[  286.532703]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.532703]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  286.532703]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  286.532703]  free:13650 free_pcp:205 free_cma:0
[  286.538039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.538048] Call Trace:
[  286.545333] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.547736]  <IRQ>
[  286.580715] Node 0 
[  286.590082]  dump_stack+0x1c4/0x2b4
[  286.592664] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  286.620400]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.622516] lowmem_reserve[]: 0
[  286.624769]  warn_alloc.cold.118+0xb7/0x1bd
[  286.628363]  2817
[  286.653879]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.659040]  6321
[  286.662316]  ? lock_downgrade+0x900/0x900
[  286.666610]  6321
[  286.668674]  ? trace_hardirqs_off+0xb8/0x300
[  286.675548]  ? trace_hardirqs_off+0xb8/0x300
[  286.679669] Node 0 
[  286.681736]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.686155] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.690553]  ? warn_alloc+0x120/0x120
[  286.692739] lowmem_reserve[]:
[  286.697574]  ? warn_alloc+0x120/0x120
[  286.724526]  0
[  286.728328]  ? print_usage_bug+0xc0/0xc0
[  286.731447]  0
[  286.735240]  ? warn_alloc+0x120/0x120
[  286.737020]  3503
[  286.741091]  ? print_usage_bug+0xc0/0xc0
[  286.742861]  3503
[  286.746662]  ? __lock_acquire+0x7ec/0x4ec0
[  286.748704] Node 0 
[  286.752756]  ? __lock_acquire+0x7ec/0x4ec0
[  286.754835] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  286.759033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.761235] lowmem_reserve[]: 0
[  286.765477]  ? should_fail+0x22d/0xd01
[  286.793819]  0
[  286.799367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.802609]  0
[  286.806490]  ? __lock_acquire+0x7ec/0x4ec0
[  286.808262]  0
[  286.813367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.815146] Node 0 
[  286.819388]  ? __lock_acquire+0x7ec/0x4ec0
[  286.821166] DMA: 
[  286.826264]  ? should_fail+0x22d/0xd01
[  286.828477] 1*4kB 
[  286.832722]  ? mark_held_locks+0x130/0x130
[  286.834765] (U) 
[  286.838644]  ? mark_held_locks+0x130/0x130
[  286.840764] 0*8kB 0*16kB 
[  286.844999]  ? graph_lock+0x170/0x170
[  286.846962] 1*32kB 
[  286.851186]  ? graph_lock+0x170/0x170
[  286.853931] (U) 
[  286.857841]  ? graph_lock+0x170/0x170
[  286.860055] 2*64kB 
[  286.863859]  ? print_usage_bug+0xc0/0xc0
[  286.865815] (U) 
[  286.869613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.871845] 1*128kB 
[  286.875900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.877850] (U) 
[  286.883387]  ? check_preemption_disabled+0x48/0x200
[  286.885675] 1*256kB (U) 
[  286.891212]  ? check_preemption_disabled+0x48/0x200
[  286.893168] 0*512kB 
[  286.898183]  ? __lock_is_held+0xb5/0x140
[  286.900829] 1*1024kB (U) 
[  286.905849]  __alloc_pages_nodemask+0xa80/0xde0
[  286.908146] 1*2048kB 
[  286.912198]  ? graph_lock+0x170/0x170
[  286.914928] (M) 
[  286.919593]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.921980] 3*4096kB 
[  286.925772]  ? graph_lock+0x170/0x170
[  286.927725] (M) 
[  286.932833]  ? find_held_lock+0x36/0x1c0
[  286.935219] = 15908kB
[  286.939020]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.940966] Node 0 
[  286.945020]  ? lock_downgrade+0x900/0x900
[  286.947398] DMA32: 2*4kB 
[  286.952074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.954278] (M) 
[  286.958421]  cache_grow_begin+0x91/0x8c0
[  286.961151] 1*8kB 
[  286.966689]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.968637] (U) 
[  286.972716]  fallback_alloc+0x203/0x2e0
[  286.974839] 4*16kB 
[  286.979248]  ____cache_alloc_node+0x1c7/0x1e0
[  286.981195] (UM) 
[  286.985168]  kmem_cache_alloc_node+0xe3/0x730
[  286.987377] 2*32kB 
[  286.991868]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.993903] (UM) 
[  286.998396]  __alloc_skb+0x119/0x770
[  287.000595] 3*64kB (UM) 
[  287.004846]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.006880] 4*128kB 
[  287.010586]  ? skb_scrub_packet+0x490/0x490
[  287.013249] (UM) 
[  287.018517]  ? lock_downgrade+0x900/0x900
[  287.020827] 2*256kB 
[  287.025138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.027181] (M) 
[  287.031328]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.033621] 4*512kB 
[  287.039153]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.041101] (UM) 
[  287.046552]  ? addrconf_rs_timer+0x6f0/0x6f0
[  287.048857] 3*1024kB 
[  287.054313]  ndisc_alloc_skb+0x144/0x340
[  287.056341] (M) 
[  287.060745]  ndisc_send_rs+0x331/0x6e0
[  287.063130] 1*2048kB 
[  287.067188]  addrconf_rs_timer+0x3c0/0x6f0
[  287.069135] (M) 
[  287.073017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.075855] 4*4096kB (M) 
[  287.080106]  call_timer_fn+0x272/0x920
[  287.082048] = 24912kB
[  287.086275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.089008] Node 0 
[  287.092890]  ? process_timeout+0x40/0x40
[  287.095276] Normal: 
[  287.099502]  ? find_held_lock+0x36/0x1c0
[  287.101715] 2389*4kB 
[  287.105773]  ? __run_timers+0x7da/0xc70
[  287.108066] (UME) 
[  287.112119]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.114504] 378*8kB 
[  287.118469]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.120646] (UME) 
[  287.125140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.127435] 73*16kB (UM) 
[  287.131935]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  287.134057] 1*32kB 
[  287.138284]  ? trace_hardirqs_on+0xbd/0x310
[  287.141018] (U) 
[  287.145597]  ? kasan_check_read+0x11/0x20
[  287.147813] 0*64kB 
[  287.152127]  ? __run_timers+0x7da/0xc70
[  287.154079] 0*128kB 
[  287.158219]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.160435] 0*256kB 
[  287.164404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.166711] 0*512kB 
[  287.172152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.174455] 0*1024kB 
[  287.178687]  __run_timers+0x7e5/0xc70
[  287.180984] 0*2048kB 
[  287.185217]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.187598] 0*4096kB 
[  287.191395]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.193775] = 13780kB
[  287.193789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.199149]  ? rcu_bh_qs+0xc0/0xc0
[  287.201543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.207303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.209705] 4510 total pagecache pages
[  287.218533]  ? check_preemption_disabled+0x48/0x200
[  287.222055] 0 pages in swap cache
[  287.230623]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.236131] Swap cache stats: add 0, delete 0, find 0/0
[  287.236140] Free swap  = 0kB
[  287.240025]  ? retint_kernel+0x2d/0x2d
[  287.245031] Total swap = 0kB
[  287.245039] 1965979 pages RAM
[  287.248500]  ? trace_hardirqs_on_caller+0xc0/0x300
[  287.253228] 0 pages HighMem/MovableOnly
[  287.258602]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.261627] 342744 pages reserved
[  287.261636] 0 pages cma reserved
[  287.265519]  ? trace_hardirqs_off_caller+0x300/0x300
[  287.268674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.271621]  ? check_preemption_disabled+0x48/0x200
[  287.276638] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.280518]  ? graph_lock+0x170/0x170
[  287.285251] syz-fuzzer cpuset=
[  287.288709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.292074] /
[  287.297174]  ? check_preemption_disabled+0x48/0x200
[  287.303642]  mems_allowed=0
[  287.308661]  ? __lock_is_held+0xb5/0x140
[  287.345014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.350559]  ? check_preemption_disabled+0x48/0x200
[  287.355599]  run_timer_softirq+0x52/0xb0
[  287.359661]  ? rcu_read_lock_sched_held+0x108/0x120
[  287.364708]  __do_softirq+0x30b/0xad8
[  287.368584]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.373718]  ? pvclock_read_flags+0x160/0x160
[  287.378252]  ? lapic_next_event+0x5a/0x90
[  287.382396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.387936]  ? check_preemption_disabled+0x48/0x200
[  287.392956]  ? check_preemption_disabled+0x48/0x200
[  287.397982]  ? kvm_clock_read+0x18/0x30
[  287.401959]  ? kvm_sched_clock_read+0x9/0x20
[  287.406371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.411909]  ? check_preemption_disabled+0x48/0x200
[  287.416940]  irq_exit+0x17f/0x1c0
[  287.420409]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.425282]  ? smp_reschedule_interrupt+0x109/0x650
[  287.430340]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.436232]  ? interrupt_entry+0xb5/0xf0
[  287.440309]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.445333]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.450361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.455205]  ? trace_hardirqs_off+0x300/0x300
[  287.459708]  ? trace_hardirqs_off+0x300/0x300
[  287.464203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.469742]  ? check_preemption_disabled+0x48/0x200
[  287.474757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.480330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.485183]  apic_timer_interrupt+0xf/0x20
[  287.489412]  </IRQ>
[  287.491650] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.496580] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  287.515486] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  287.523209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  287.530475] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  287.537740] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  287.545005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.552273] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  287.559589]  skb_clone+0x1bb/0x500
[  287.563130]  ? finish_task_switch+0x2f5/0x900
[  287.567626]  ? skb_split+0x11e0/0x11e0
[  287.571519]  ? preempt_notifier_register+0x200/0x200
[  287.576625]  ? __switch_to_asm+0x34/0x70
[  287.580688]  ? __switch_to_asm+0x34/0x70
[  287.584750]  ? __switch_to_asm+0x40/0x70
[  287.588819]  ? __switch_to_asm+0x34/0x70
[  287.592882]  ? __switch_to_asm+0x40/0x70
[  287.596947]  ? __switch_to_asm+0x34/0x70
[  287.601005]  ? __switch_to_asm+0x40/0x70
[  287.605063]  ? __switch_to_asm+0x34/0x70
[  287.609124]  ? __switch_to_asm+0x34/0x70
[  287.613181]  ? __switch_to_asm+0x40/0x70
[  287.617243]  ? __switch_to_asm+0x34/0x70
[  287.621362]  bpf_clone_redirect+0xb9/0x490
[  287.625602]  ? __schedule+0x874/0x1ed0
[  287.629496]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  287.634515]  ? __sched_text_start+0x8/0x8
[  287.638666]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.643435]  ? find_held_lock+0x36/0x1c0
[  287.647503]  ? lock_acquire+0x1ed/0x520
[  287.651480]  ? bpf_test_run+0x32e/0x5a0
[  287.655456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.661001]  ? check_preemption_disabled+0x48/0x200
[  287.666027]  ? kasan_check_read+0x11/0x20
[  287.670177]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.675456]  ? rcu_bh_qs+0xc0/0xc0
[  287.679004]  ? preempt_schedule+0x4d/0x60
[  287.683152]  ? ___preempt_schedule+0x16/0x18
[  287.687571]  ? bpf_test_run+0x1c0/0x5a0
[  287.691555]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.695969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.701505]  ? bpf_test_init.isra.9+0x70/0x100
[  287.706093]  ? bpf_prog_test_run_skb+0x634/0xb40
[  287.710959]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.715810]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.721351]  ? fput+0x130/0x1a0
[  287.724635]  ? __bpf_prog_get+0x9b/0x290
[  287.728699]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.733715]  ? bpf_prog_test_run+0x130/0x1a0
[  287.738135]  ? __x64_sys_bpf+0x3d8/0x510
[  287.742220]  ? bpf_prog_get+0x20/0x20
[  287.746029]  ? ksys_ioctl+0x81/0xd0
[  287.749669]  ? do_syscall_64+0x1b9/0x820
[  287.753732]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.759097]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.764030]  ? trace_hardirqs_off+0x300/0x300
[  287.768528]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.773546]  ? recalc_sigpending_tsk+0x180/0x180
[  287.778316]  ? kasan_check_write+0x14/0x20
[  287.782578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.787435]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.792831] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  287.792907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.799760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.799769] Call Trace:
[  287.806355] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.815591]  <IRQ>
[  287.818160] syz-executor2 cpuset=
[  287.828651]  dump_stack+0x1c4/0x2b4
[  287.830777] syz2
[  287.834227]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.837829]  mems_allowed=0
[  287.848037]  warn_alloc.cold.118+0xb7/0x1bd
[  287.852394]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.857245]  ? lock_downgrade+0x900/0x900
[  287.861403]  ? trace_hardirqs_off+0xb8/0x300
[  287.865841]  ? trace_hardirqs_off+0xb8/0x300
[  287.870296]  __alloc_pages_slowpath+0x2667/0x2d80
[  287.875205]  ? warn_alloc+0x120/0x120
[  287.879009]  ? trace_hardirqs_on+0x310/0x310
[  287.883419]  ? warn_alloc+0x120/0x120
[  287.887221]  ? print_usage_bug+0xc0/0xc0
[  287.891288]  ? warn_alloc+0x120/0x120
[  287.895091]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  287.900106]  ? print_usage_bug+0xc0/0xc0
[  287.904183]  ? __lock_acquire+0x7ec/0x4ec0
[  287.908418]  ? __lock_acquire+0x7ec/0x4ec0
[  287.912654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.918191]  ? should_fail+0x22d/0xd01
[  287.922086]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.927190]  ? __lock_acquire+0x7ec/0x4ec0
[  287.931428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.936530]  ? __lock_acquire+0x7ec/0x4ec0
[  287.940766]  ? should_fail+0x22d/0xd01
[  287.944661]  ? print_usage_bug+0xc0/0xc0
[  287.948730]  ? mark_held_locks+0x130/0x130
[  287.952968]  ? mark_held_locks+0x130/0x130
[  287.957210]  ? graph_lock+0x170/0x170
[  287.961013]  ? print_usage_bug+0xc0/0xc0
[  287.965075]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.969841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.975386]  ? check_preemption_disabled+0x48/0x200
[  287.980399]  ? check_preemption_disabled+0x48/0x200
[  287.985428]  ? __lock_is_held+0xb5/0x140
[  287.989500]  __alloc_pages_nodemask+0xa80/0xde0
[  287.994169]  ? graph_lock+0x170/0x170
[  287.997977]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.002989]  ? graph_lock+0x170/0x170
[  288.006811]  ? find_held_lock+0x36/0x1c0
[  288.010897]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.015568]  ? lock_downgrade+0x900/0x900
[  288.019724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.025272]  cache_grow_begin+0x91/0x8c0
[  288.029339]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.033760]  fallback_alloc+0x203/0x2e0
[  288.037743]  ____cache_alloc_node+0x1c7/0x1e0
[  288.042246]  kmem_cache_alloc_node+0xe3/0x730
[  288.046744]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.050991]  __alloc_skb+0x119/0x770
[  288.054710]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.059992]  ? skb_scrub_packet+0x490/0x490
[  288.064312]  ? lock_downgrade+0x900/0x900
[  288.068471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.074014]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.079470]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.084924]  ? addrconf_rs_timer+0x6f0/0x6f0
[  288.089347]  ndisc_alloc_skb+0x144/0x340
[  288.093420]  ndisc_send_rs+0x331/0x6e0
[  288.097330]  addrconf_rs_timer+0x3c0/0x6f0
[  288.101585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.105849]  call_timer_fn+0x272/0x920
[  288.109740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.113979]  ? process_timeout+0x40/0x40
[  288.118048]  ? find_held_lock+0x36/0x1c0
[  288.122121]  ? mark_held_locks+0xc7/0x130
[  288.126305]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.130797]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.135307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.139544]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  288.144149]  ? trace_hardirqs_on+0xbd/0x310
[  288.148475]  ? kasan_check_read+0x11/0x20
[  288.152627]  ? __run_timers+0x7da/0xc70
[  288.156601]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.162061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.166304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.170542]  __run_timers+0x7e5/0xc70
[  288.174359]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  288.179731]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.184751]  ? graph_lock+0x170/0x170
[  288.188559]  ? print_usage_bug+0xc0/0xc0
[  288.192618]  ? lock_release+0x970/0x970
[  288.196614]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.201828]  ? find_held_lock+0x36/0x1c0
[  288.205895]  ? graph_lock+0x170/0x170
[  288.209698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.215259]  ? check_preemption_disabled+0x48/0x200
[  288.220295]  ? __lock_is_held+0xb5/0x140
[  288.224356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.229913]  ? check_preemption_disabled+0x48/0x200
[  288.234940]  run_timer_softirq+0x52/0xb0
[  288.239003]  ? rcu_read_lock_sched_held+0x108/0x120
[  288.244022]  __do_softirq+0x30b/0xad8
[  288.247848]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  288.252958]  ? pvclock_read_flags+0x160/0x160
[  288.257454]  ? lapic_next_event+0x5a/0x90
[  288.261602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.267141]  ? check_preemption_disabled+0x48/0x200
[  288.272158]  ? check_preemption_disabled+0x48/0x200
[  288.277182]  ? kvm_clock_read+0x18/0x30
[  288.281156]  ? kvm_sched_clock_read+0x9/0x20
[  288.285570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.291107]  ? check_preemption_disabled+0x48/0x200
[  288.296137]  irq_exit+0x17f/0x1c0
[  288.299622]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.304470]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.310355]  ? interrupt_entry+0xb5/0xf0
[  288.314422]  ? trace_hardirqs_off_caller+0xbb/0x300
[  288.319442]  ? trace_hardirqs_off_caller+0xbb/0x300
[  288.324458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.329318]  ? trace_hardirqs_off+0x300/0x300
[  288.333834]  ? trace_hardirqs_off+0x300/0x300
[  288.338338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.343876]  ? check_preemption_disabled+0x48/0x200
[  288.348895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.354443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.359295]  apic_timer_interrupt+0xf/0x20
[  288.363525]  </IRQ>
[  288.365762] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  288.371039] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  288.389939] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  288.397649] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  288.404915] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  288.412184] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  288.419448] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  288.426717] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  288.434009]  ? arch_local_irq_restore+0x45/0x52
[  288.438689]  dump_stack+0x26a/0x2b4
[  288.442322]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.447517]  ? mark_held_locks+0x130/0x130
[  288.451752]  ? mark_held_locks+0x130/0x130
[  288.455991]  dump_header+0x27b/0xf72
[  288.459728]  ? pagefault_out_of_memory+0x197/0x197
[  288.464674]  ? mark_held_locks+0x130/0x130
[  288.468922]  ? __lock_acquire+0x7ec/0x4ec0
[  288.473171]  ? mem_cgroup_charge_statistics+0x780/0x780
[  288.478536]  ? print_usage_bug+0xc0/0xc0
[  288.482611]  ? print_usage_bug+0xc0/0xc0
[  288.486676]  ? graph_lock+0x170/0x170
[  288.490476]  ? graph_lock+0x170/0x170
[  288.494275]  ? print_usage_bug+0xc0/0xc0
[  288.498332]  ? print_usage_bug+0xc0/0xc0
[  288.502406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.507948]  ? find_held_lock+0x36/0x1c0
[  288.512019]  ? mark_held_locks+0xc7/0x130
[  288.516171]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.521278]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.526380]  ? lockdep_hardirqs_on+0x421/0x5c0
[  288.530968]  ? trace_hardirqs_on+0xbd/0x310
[  288.535287]  ? kasan_check_read+0x11/0x20
[  288.539439]  ? ___ratelimit+0x36f/0x655
[  288.543414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.548864]  ? trace_hardirqs_on+0x310/0x310
[  288.553274]  ? lock_downgrade+0x900/0x900
[  288.557430]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.562551]  ? ___ratelimit+0xaa/0x655
[  288.566440]  ? idr_get_free+0xec0/0xec0
[  288.570415]  ? kasan_check_write+0x14/0x20
[  288.574689]  ? do_raw_spin_lock+0xc1/0x200
[  288.578934]  oom_kill_process.cold.27+0x10/0x903
[  288.583707]  ? graph_lock+0x170/0x170
[  288.587504]  ? _raw_spin_unlock+0x2c/0x50
[  288.591668]  ? oom_badness+0xe6/0xaa0
[  288.595491]  ? oom_evaluate_task+0x540/0x540
[  288.599906]  ? find_held_lock+0x36/0x1c0
[  288.603979]  ? out_of_memory+0x974/0x14c0
[  288.608127]  ? lock_downgrade+0x900/0x900
[  288.612278]  ? check_preemption_disabled+0x48/0x200
[  288.617302]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.623125]  ? kasan_check_read+0x11/0x20
[  288.627283]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.632561]  ? rcu_bh_qs+0xc0/0xc0
[  288.636106]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.641125]  ? oom_evaluate_task+0x302/0x540
[  288.645540]  out_of_memory+0xa86/0x14c0
[  288.649529]  ? oom_killer_disable+0x3a0/0x3a0
[  288.654025]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  288.658963]  ? __mutex_add_waiter+0x2a0/0x2a0
[  288.663474]  __alloc_pages_slowpath+0x2318/0x2d80
[  288.668349]  ? warn_alloc+0x120/0x120
[  288.672168]  ? find_get_entry+0x2f2/0xc40
[  288.676324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.681865]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  288.686793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.692356]  ? should_fail+0x22d/0xd01
[  288.696262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.701369]  ? __lock_is_held+0xb5/0x140
[  288.705460]  ? __lock_is_held+0xb5/0x140
[  288.709538]  ? find_held_lock+0x36/0x1c0
[  288.713619]  ? ___might_sleep+0x1ed/0x300
[  288.717766]  ? lock_release+0x970/0x970
[  288.721742]  ? arch_local_save_flags+0x40/0x40
[  288.726339]  ? __might_sleep+0x95/0x190
[  288.730318]  __alloc_pages_nodemask+0xa80/0xde0
[  288.734997]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.740016]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.745830]  ? kasan_check_read+0x11/0x20
[  288.749983]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.755269]  ? graph_lock+0x170/0x170
[  288.759074]  ? print_usage_bug+0xc0/0xc0
[  288.763136]  ? graph_lock+0x170/0x170
[  288.766936]  ? graph_lock+0x170/0x170
[  288.770738]  ? __do_page_cache_readahead+0x7ce/0x980
[  288.775850]  ? find_held_lock+0x36/0x1c0
[  288.779921]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  288.785495]  alloc_pages_current+0x10c/0x210
[  288.789903]  ? lock_downgrade+0x900/0x900
[  288.794060]  __page_cache_alloc+0x38f/0x5b0
[  288.798383]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.804179]  ? kasan_check_read+0x11/0x20
[  288.808327]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.813633]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  288.818305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.823853]  ? check_preemption_disabled+0x48/0x200
[  288.828882]  filemap_fault+0x1594/0x25f0
[  288.832957]  ? __lock_page_or_retry+0xa00/0xa00
[  288.837625]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.843421]  ? kasan_check_read+0x11/0x20
[  288.847569]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.852875]  ? rcu_bh_qs+0xc0/0xc0
[  288.856429]  ? filemap_map_pages+0xdea/0x1980
[  288.860933]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.866043]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  288.871316]  ? debug_object_free+0x325/0x690
[  288.875730]  ? find_get_pages_range_tag+0x1320/0x1320
[  288.880932]  ? graph_lock+0x170/0x170
[  288.884739]  ? kasan_check_read+0x11/0x20
[  288.888884]  ? debug_object_destroy+0x2b0/0x2b0
[  288.893564]  ? lock_acquire+0x1ed/0x520
[  288.897537]  ? ext4_filemap_fault+0x7a/0xad
[  288.901866]  ? lock_release+0x970/0x970
[  288.905849]  ? arch_local_save_flags+0x40/0x40
[  288.910441]  ? futex_wait_setup+0x3e0/0x3e0
[  288.914774]  ? down_read+0xb0/0x1d0
[  288.918419]  ? ext4_filemap_fault+0x7a/0xad
[  288.922741]  ? __down_interruptible+0x700/0x700
[  288.927442]  ext4_filemap_fault+0x82/0xad
[  288.931678]  __do_fault+0x100/0x6b0
[  288.935309]  ? print_bad_pte+0x6c0/0x6c0
[  288.939375]  ? do_futex+0x249/0x26d0
[  288.943091]  ? pmd_val+0x88/0x100
[  288.946548]  ? add_mm_counter_fast+0xd0/0xd0
[  288.950957]  ? pmd_val+0x88/0x100
[  288.954408]  ? add_mm_counter_fast+0xd0/0xd0
[  288.958835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.964404]  __handle_mm_fault+0x3709/0x53e0
[  288.968848]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  288.973697]  ? graph_lock+0x170/0x170
[  288.977503]  ? print_usage_bug+0xc0/0xc0
[  288.981568]  ? graph_lock+0x170/0x170
[  288.985365]  ? graph_lock+0x170/0x170
[  288.989189]  ? handle_mm_fault+0x42a/0xc70
[  288.993423]  ? lock_downgrade+0x900/0x900
[  288.997575]  ? check_preemption_disabled+0x48/0x200
[  289.002604]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  289.008412]  ? kasan_check_read+0x11/0x20
[  289.012567]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.017850]  ? rcu_bh_qs+0xc0/0xc0
[  289.021395]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.026864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.032404]  ? check_preemption_disabled+0x48/0x200
[  289.037434]  handle_mm_fault+0x54f/0xc70
[  289.041508]  ? __handle_mm_fault+0x53e0/0x53e0
[  289.046113]  ? find_vma+0x34/0x190
[  289.049659]  __do_page_fault+0x67d/0xed0
[  289.053742]  ? mm_fault_error+0x380/0x380
[  289.057916]  ? trace_hardirqs_off+0xb8/0x300
[  289.062323]  ? trace_hardirqs_on+0x310/0x310
[  289.066738]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.072110]  ? trace_hardirqs_on+0x310/0x310
[  289.077003]  do_page_fault+0xf2/0x7e0
[  289.080828]  ? vmalloc_sync_all+0x30/0x30
[  289.084982]  ? error_entry+0x70/0xd0
[  289.088708]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.093723]  ? trace_hardirqs_on_caller+0xc0/0x300
[  289.098668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.103598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.108445]  ? trace_hardirqs_off+0x300/0x300
[  289.112936]  ? trace_hardirqs_off_caller+0x300/0x300
[  289.118044]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.123063]  ? page_fault+0x8/0x30
[  289.126607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.131452]  ? page_fault+0x8/0x30
[  289.134993]  page_fault+0x1e/0x30
[  289.138445] RIP: 0033:0x40f9c0
[  289.141637] Code: Bad RIP value.
[  289.145000] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  289.150367] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  289.157635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  289.164902] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  289.172169] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  289.179438] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  289.186730] warn_alloc_show_mem: 1 callbacks suppressed
[  289.186742] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  289.186744] Mem-Info:
[  289.186776] active_anon:52539 inactive_anon:923 isolated_anon:0
[  289.186776]  active_file:16 inactive_file:19 isolated_file:0
[  289.186776]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.186776]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  289.186776]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  289.186776]  free:13650 free_pcp:205 free_cma:0
[  289.192109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.192118] Call Trace:
[  289.199397] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  289.201792]  <IRQ>
[  289.234943] Node 0 
[  289.244299]  dump_stack+0x1c4/0x2b4
[  289.246885] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  289.274630]  ? dump_stack_print_info.cold.2+0x52/0x52
[  289.276753] lowmem_reserve[]:
[  289.279015]  warn_alloc.cold.118+0xb7/0x1bd
[  289.282605]  0
[  289.308104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.313265]  2817
[  289.316363]  ? lock_downgrade+0x900/0x900
[  289.320663]  6321
[  289.322466]  ? trace_hardirqs_off+0xb8/0x300
[  289.327276]  6321
[  289.329363]  ? trace_hardirqs_off+0xb8/0x300
[  289.333490] Node 0 
[  289.335548]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.339951] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  289.342008]  ? warn_alloc+0x120/0x120
[  289.346359] lowmem_reserve[]: 0
[  289.348596]  ? trace_hardirqs_on+0x310/0x310
[  289.353416]  0
[  289.380385]  ? warn_alloc+0x120/0x120
[  289.384164]  3503
[  289.387435]  ? print_usage_bug+0xc0/0xc0
[  289.391828]  3503
[  289.393620]  ? warn_alloc+0x120/0x120
[  289.399452]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.403483] Node 0 
[  289.405540]  ? print_usage_bug+0xc0/0xc0
[  289.409340] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  289.414340]  ? __lock_acquire+0x7ec/0x4ec0
[  289.416561] lowmem_reserve[]:
[  289.420618]  ? __lock_acquire+0x7ec/0x4ec0
[  289.448963]  0 0
[  289.453208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.456281]  0
[  289.460508]  ? should_fail+0x22d/0xd01
[  289.462455]  0
[  289.467984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.473642]  ? __lock_acquire+0x7ec/0x4ec0
[  289.475417] Node 0 
[  289.480513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.484713] DMA: 1*4kB 
[  289.486954]  ? __lock_acquire+0x7ec/0x4ec0
[  289.492033] (U) 
[  289.494612]  ? should_fail+0x22d/0xd01
[  289.498829] 0*8kB 0*16kB 
[  289.500817]  ? print_usage_bug+0xc0/0xc0
[  289.504681] 1*32kB 
[  289.507438]  ? mark_held_locks+0x130/0x130
[  289.511469] (U) 
[  289.513701]  ? mark_held_locks+0x130/0x130
[  289.517910] 2*64kB 
[  289.519880]  ? graph_lock+0x170/0x170
[  289.524084] (U) 
[  289.526316]  ? print_usage_bug+0xc0/0xc0
[  289.530092] 1*128kB 
[  289.532063]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.536100] (U) 
[  289.538432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.543153] 1*256kB (U) 
[  289.545138]  ? check_preemption_disabled+0x48/0x200
[  289.550647] 0*512kB 
[  289.553340]  ? check_preemption_disabled+0x48/0x200
[  289.558330] 1*1024kB (U) 
[  289.560675]  ? __lock_is_held+0xb5/0x140
[  289.565660] 1*2048kB 
[  289.568411]  __alloc_pages_nodemask+0xa80/0xde0
[  289.572439] (M) 
[  289.574839]  ? graph_lock+0x170/0x170
[  289.574858]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  289.579502] 3*4096kB 
[  289.581469]  ? graph_lock+0x170/0x170
[  289.585240] (M) = 15908kB
[  289.590266]  ? find_held_lock+0x36/0x1c0
[  289.592647] Node 0 
[  289.596449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.599178] DMA32: 
[  289.603230]  ? lock_downgrade+0x900/0x900
[  289.605440] 2*4kB 
[  289.610105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.612311] (M) 
[  289.616455]  cache_grow_begin+0x91/0x8c0
[  289.618579] 1*8kB 
[  289.624106]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.626055] (U) 
[  289.630116]  fallback_alloc+0x203/0x2e0
[  289.632234] 4*16kB 
[  289.636639]  ____cache_alloc_node+0x1c7/0x1e0
[  289.638585] (UM) 
[  289.642555]  kmem_cache_alloc_node+0xe3/0x730
[  289.644766] 2*32kB 
[  289.649259]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.651296] (UM) 
[  289.655789]  __alloc_skb+0x119/0x770
[  289.657990] 3*64kB (UM) 
[  289.662229]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.664262] 4*128kB 
[  289.667973]  ? skb_scrub_packet+0x490/0x490
[  289.670617] (UM) 
[  289.675887]  ? lock_downgrade+0x900/0x900
[  289.678189] 2*256kB 
[  289.682506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.684538] (M) 
[  289.688686]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.690982] 4*512kB (UM) 
[  289.696524]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.698475] 3*1024kB 
[  289.703958]  ? addrconf_rs_timer+0x6f0/0x6f0
[  289.706687] (M) 
[  289.712141]  ndisc_alloc_skb+0x144/0x340
[  289.714520] 1*2048kB 
[  289.718923]  ndisc_send_rs+0x331/0x6e0
[  289.720874] (M) 
[  289.724930]  addrconf_rs_timer+0x3c0/0x6f0
[  289.727311] 4*4096kB 
[  289.731197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.733146] (M) 
[  289.737397]  call_timer_fn+0x272/0x920
[  289.739772] = 24912kB
[  289.743998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.745951] Node 0 
[  289.749841]  ? process_timeout+0x40/0x40
[  289.749857]  ? find_held_lock+0x36/0x1c0
[  289.752247] Normal: 
[  289.756477]  ? __run_timers+0x7da/0xc70
[  289.758682] 2389*4kB 
[  289.762735]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.766768] (UME) 
[  289.769085]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.773035] 378*8kB 
[  289.775438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.779906] (UME) 
[  289.782055]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  289.786525] 73*16kB 
[  289.788862]  ? trace_hardirqs_on+0xbd/0x310
[  289.793068] (UM) 
[  289.795213]  ? kasan_check_read+0x11/0x20
[  289.799764] 1*32kB (U) 
[  289.802093]  ? __run_timers+0x7da/0xc70
[  289.806380] 0*64kB 0*128kB 
[  289.808449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.812570] 0*256kB 
[  289.815149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.819088] 0*512kB 0*1024kB 
[  289.822022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.827445] 0*2048kB 
[  289.829765]  __run_timers+0x7e5/0xc70
[  289.833975] 0*4096kB 
[  289.837085]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.841280] = 13780kB
[  289.841294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.843697]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.847487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.849884]  ? rcu_bh_qs+0xc0/0xc0
[  289.855239] 4510 total pagecache pages
[  289.857658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.866473] 0 pages in swap cache
[  289.871748]  ? check_preemption_disabled+0x48/0x200
[  289.880317] Swap cache stats: add 0, delete 0, find 0/0
[  289.880331] Free swap  = 0kB
[  289.883886]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.887740] Total swap = 0kB
[  289.893273]  ? retint_kernel+0x2d/0x2d
[  289.896698] 1965979 pages RAM
[  289.901721]  ? trace_hardirqs_on_caller+0xc0/0x300
[  289.907051] 0 pages HighMem/MovableOnly
[  289.907060] 342744 pages reserved
[  289.910070]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.914798] 0 pages cma reserved
[  289.917824]  ? trace_hardirqs_off_caller+0x300/0x300
[  289.921760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.924786]  ? check_preemption_disabled+0x48/0x200
[  289.924810]  ? graph_lock+0x170/0x170
[  289.924829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.929810] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.933711]  ? check_preemption_disabled+0x48/0x200
[  289.937139] syz-fuzzer cpuset=
[  289.941897]  ? __lock_is_held+0xb5/0x140
[  289.945256] /
[  289.950354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.956832]  mems_allowed=0
[  289.961840]  ? check_preemption_disabled+0x48/0x200
[  289.961864]  run_timer_softirq+0x52/0xb0
[  290.012783]  ? rcu_read_lock_sched_held+0x108/0x120
[  290.017826]  __do_softirq+0x30b/0xad8
[  290.021667]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.026782]  ? pvclock_read_flags+0x160/0x160
[  290.031294]  ? lapic_next_event+0x5a/0x90
[  290.035459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.041000]  ? check_preemption_disabled+0x48/0x200
[  290.046017]  ? check_preemption_disabled+0x48/0x200
[  290.051039]  ? kvm_clock_read+0x18/0x30
[  290.055013]  ? kvm_sched_clock_read+0x9/0x20
[  290.059429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.064970]  ? check_preemption_disabled+0x48/0x200
[  290.070003]  irq_exit+0x17f/0x1c0
[  290.073463]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.078306]  ? smp_reschedule_interrupt+0x109/0x650
[  290.083334]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.089218]  ? interrupt_entry+0xb5/0xf0
[  290.093279]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.098298]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.103330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.108171]  ? trace_hardirqs_off+0x300/0x300
[  290.112662]  ? trace_hardirqs_off+0x300/0x300
[  290.117158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.122699]  ? check_preemption_disabled+0x48/0x200
[  290.127716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.133261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.138114]  apic_timer_interrupt+0xf/0x20
[  290.142350]  </IRQ>
[  290.144593] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  290.149528] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  290.168431] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  290.176140] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  290.183409] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  290.190674] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  290.197939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  290.205206] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  290.212526]  skb_clone+0x1bb/0x500
[  290.216074]  ? finish_task_switch+0x2f5/0x900
[  290.220570]  ? skb_split+0x11e0/0x11e0
[  290.224468]  ? preempt_notifier_register+0x200/0x200
[  290.229573]  ? __switch_to_asm+0x34/0x70
[  290.233640]  ? __switch_to_asm+0x34/0x70
[  290.237699]  ? __switch_to_asm+0x40/0x70
[  290.241758]  ? __switch_to_asm+0x34/0x70
[  290.245824]  ? __switch_to_asm+0x40/0x70
[  290.249889]  ? __switch_to_asm+0x34/0x70
[  290.253947]  ? __switch_to_asm+0x40/0x70
[  290.258009]  ? __switch_to_asm+0x34/0x70
[  290.262075]  ? __switch_to_asm+0x34/0x70
[  290.266137]  ? __switch_to_asm+0x40/0x70
[  290.270198]  ? __switch_to_asm+0x34/0x70
[  290.274277]  bpf_clone_redirect+0xb9/0x490
[  290.278528]  ? __schedule+0x874/0x1ed0
[  290.282422]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  290.287455]  ? __sched_text_start+0x8/0x8
[  290.291602]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.296374]  ? find_held_lock+0x36/0x1c0
[  290.300445]  ? lock_acquire+0x1ed/0x520
[  290.304432]  ? bpf_test_run+0x32e/0x5a0
[  290.308423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.313969]  ? check_preemption_disabled+0x48/0x200
[  290.318992]  ? kasan_check_read+0x11/0x20
[  290.323147]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.328426]  ? rcu_bh_qs+0xc0/0xc0
[  290.331970]  ? preempt_schedule+0x4d/0x60
[  290.336123]  ? ___preempt_schedule+0x16/0x18
[  290.340543]  ? bpf_test_run+0x1c0/0x5a0
[  290.344527]  ? netlink_diag_dump+0x2a0/0x2a0
[  290.348941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.354480]  ? bpf_test_init.isra.9+0x70/0x100
[  290.359067]  ? bpf_prog_test_run_skb+0x634/0xb40
[  290.363841]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.368691]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  290.374236]  ? fput+0x130/0x1a0
[  290.377523]  ? __bpf_prog_get+0x9b/0x290
[  290.381589]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.386435]  ? bpf_prog_test_run+0x130/0x1a0
[  290.390850]  ? __x64_sys_bpf+0x3d8/0x510
[  290.394915]  ? bpf_prog_get+0x20/0x20
[  290.398726]  ? ksys_ioctl+0x81/0xd0
[  290.402373]  ? do_syscall_64+0x1b9/0x820
[  290.406437]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  290.411810]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.416743]  ? trace_hardirqs_off+0x300/0x300
[  290.421239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.426258]  ? recalc_sigpending_tsk+0x180/0x180
[  290.431024]  ? kasan_check_write+0x14/0x20
[  290.435270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.440128]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  290.445515] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  290.445586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.452439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.452444] Call Trace:
[  290.452451]  <IRQ>
[  290.452468]  dump_stack+0x1c4/0x2b4
[  290.452483]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.452510]  warn_alloc.cold.118+0xb7/0x1bd
[  290.459040] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.468326]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.470892] syz-executor2 cpuset=
[  290.473038]  ? lock_downgrade+0x900/0x900
[  290.476640] syz2
[  290.481839]  ? trace_hardirqs_off+0xb8/0x300
[  290.486128]  mems_allowed=0
[  290.496604]  ? trace_hardirqs_off+0xb8/0x300
[  290.522665]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.527538]  ? warn_alloc+0x120/0x120
[  290.531344]  ? warn_alloc+0x120/0x120
[  290.535152]  ? print_usage_bug+0xc0/0xc0
[  290.539211]  ? warn_alloc+0x120/0x120
[  290.543032]  ? print_usage_bug+0xc0/0xc0
[  290.547096]  ? __lock_acquire+0x7ec/0x4ec0
[  290.551332]  ? __lock_acquire+0x7ec/0x4ec0
[  290.555570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.561108]  ? should_fail+0x22d/0xd01
[  290.564999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.570101]  ? __lock_acquire+0x7ec/0x4ec0
[  290.574340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.579443]  ? __lock_acquire+0x7ec/0x4ec0
[  290.583678]  ? should_fail+0x22d/0xd01
[  290.587578]  ? mark_held_locks+0x130/0x130
[  290.591831]  ? mark_held_locks+0x130/0x130
[  290.596072]  ? graph_lock+0x170/0x170
[  290.599877]  ? graph_lock+0x170/0x170
[  290.603681]  ? graph_lock+0x170/0x170
[  290.607482]  ? print_usage_bug+0xc0/0xc0
[  290.611547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.617086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.622625]  ? check_preemption_disabled+0x48/0x200
[  290.627644]  ? check_preemption_disabled+0x48/0x200
[  290.632671]  ? __lock_is_held+0xb5/0x140
[  290.636743]  __alloc_pages_nodemask+0xa80/0xde0
[  290.641414]  ? graph_lock+0x170/0x170
[  290.645220]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.650234]  ? graph_lock+0x170/0x170
[  290.654049]  ? find_held_lock+0x36/0x1c0
[  290.658120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.662790]  ? lock_downgrade+0x900/0x900
[  290.666962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.672535]  cache_grow_begin+0x91/0x8c0
[  290.676600]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.681016]  fallback_alloc+0x203/0x2e0
[  290.684997]  ____cache_alloc_node+0x1c7/0x1e0
[  290.689503]  kmem_cache_alloc_node+0xe3/0x730
[  290.694005]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.698270]  __alloc_skb+0x119/0x770
[  290.701987]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.707268]  ? skb_scrub_packet+0x490/0x490
[  290.711592]  ? lock_downgrade+0x900/0x900
[  290.715747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.721287]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.726743]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.732194]  ? addrconf_rs_timer+0x6f0/0x6f0
[  290.736618]  ndisc_alloc_skb+0x144/0x340
[  290.740683]  ndisc_send_rs+0x331/0x6e0
[  290.744579]  addrconf_rs_timer+0x3c0/0x6f0
[  290.748834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.753085]  call_timer_fn+0x272/0x920
[  290.756972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.761209]  ? process_timeout+0x40/0x40
[  290.765270]  ? find_held_lock+0x36/0x1c0
[  290.769345]  ? mark_held_locks+0xc7/0x130
[  290.773497]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.777991]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.782489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.786732]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  290.791316]  ? trace_hardirqs_on+0xbd/0x310
[  290.795728]  ? kasan_check_read+0x11/0x20
[  290.799879]  ? __run_timers+0x7da/0xc70
[  290.803864]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.809322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.813565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.817810]  __run_timers+0x7e5/0xc70
[  290.821634]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.827001]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.832022]  ? graph_lock+0x170/0x170
[  290.835840]  ? print_usage_bug+0xc0/0xc0
[  290.839901]  ? lock_release+0x970/0x970
[  290.843878]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.849081]  ? find_held_lock+0x36/0x1c0
[  290.853147]  ? graph_lock+0x170/0x170
[  290.856953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.862496]  ? check_preemption_disabled+0x48/0x200
[  290.867522]  ? __lock_is_held+0xb5/0x140
[  290.871583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.877139]  ? check_preemption_disabled+0x48/0x200
[  290.882185]  run_timer_softirq+0x52/0xb0
[  290.886246]  ? rcu_read_lock_sched_held+0x108/0x120
[  290.891265]  __do_softirq+0x30b/0xad8
[  290.895080]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.900189]  ? pvclock_read_flags+0x160/0x160
[  290.904684]  ? lapic_next_event+0x5a/0x90
[  290.908848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.914391]  ? check_preemption_disabled+0x48/0x200
[  290.919410]  ? check_preemption_disabled+0x48/0x200
[  290.924433]  ? kvm_clock_read+0x18/0x30
[  290.928411]  ? kvm_sched_clock_read+0x9/0x20
[  290.932837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.938376]  ? check_preemption_disabled+0x48/0x200
[  290.943410]  irq_exit+0x17f/0x1c0
[  290.946869]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.951714]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.957597]  ? interrupt_entry+0xb5/0xf0
[  290.961658]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.966676]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.971695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.976540]  ? trace_hardirqs_off+0x300/0x300
[  290.981033]  ? trace_hardirqs_off+0x300/0x300
[  290.985534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.991076]  ? check_preemption_disabled+0x48/0x200
[  290.996093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.001637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.006491]  apic_timer_interrupt+0xf/0x20
[  291.010721]  </IRQ>
[  291.012966] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  291.018247] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  291.037150] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  291.044862] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  291.052134] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  291.059406] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  291.066678] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  291.074393] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  291.081688]  ? arch_local_irq_restore+0x45/0x52
[  291.086363]  dump_stack+0x26a/0x2b4
[  291.089993]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.095190]  ? mark_held_locks+0x130/0x130
[  291.099428]  ? mark_held_locks+0x130/0x130
[  291.103668]  dump_header+0x27b/0xf72
[  291.107402]  ? pagefault_out_of_memory+0x197/0x197
[  291.112342]  ? mark_held_locks+0x130/0x130
[  291.116580]  ? __lock_acquire+0x7ec/0x4ec0
[  291.120822]  ? mem_cgroup_charge_statistics+0x780/0x780
[  291.126193]  ? print_usage_bug+0xc0/0xc0
[  291.130258]  ? print_usage_bug+0xc0/0xc0
[  291.134324]  ? graph_lock+0x170/0x170
[  291.138120]  ? graph_lock+0x170/0x170
[  291.141922]  ? print_usage_bug+0xc0/0xc0
[  291.145980]  ? print_usage_bug+0xc0/0xc0
[  291.150050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.155593]  ? find_held_lock+0x36/0x1c0
[  291.159661]  ? mark_held_locks+0xc7/0x130
[  291.163830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.168934]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.174038]  ? lockdep_hardirqs_on+0x421/0x5c0
[  291.178622]  ? trace_hardirqs_on+0xbd/0x310
[  291.182945]  ? kasan_check_read+0x11/0x20
[  291.187094]  ? ___ratelimit+0x36f/0x655
[  291.191070]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.196527]  ? trace_hardirqs_on+0x310/0x310
[  291.200937]  ? lock_downgrade+0x900/0x900
[  291.205291]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.210405]  ? ___ratelimit+0xaa/0x655
[  291.214295]  ? idr_get_free+0xec0/0xec0
[  291.218270]  ? kasan_check_write+0x14/0x20
[  291.222509]  ? do_raw_spin_lock+0xc1/0x200
[  291.226754]  oom_kill_process.cold.27+0x10/0x903
[  291.231511]  ? graph_lock+0x170/0x170
[  291.235315]  ? _raw_spin_unlock+0x2c/0x50
[  291.239465]  ? oom_badness+0xe6/0xaa0
[  291.243275]  ? oom_evaluate_task+0x540/0x540
[  291.247692]  ? find_held_lock+0x36/0x1c0
[  291.251762]  ? out_of_memory+0x974/0x14c0
[  291.255910]  ? lock_downgrade+0x900/0x900
[  291.260058]  ? check_preemption_disabled+0x48/0x200
[  291.265084]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.270886]  ? kasan_check_read+0x11/0x20
[  291.275037]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.280314]  ? rcu_bh_qs+0xc0/0xc0
[  291.283867]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.288884]  ? oom_evaluate_task+0x302/0x540
[  291.293296]  out_of_memory+0xa86/0x14c0
[  291.297301]  ? oom_killer_disable+0x3a0/0x3a0
[  291.301819]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  291.306766]  ? __mutex_add_waiter+0x2a0/0x2a0
[  291.311272]  __alloc_pages_slowpath+0x2318/0x2d80
[  291.316144]  ? warn_alloc+0x120/0x120
[  291.319958]  ? find_get_entry+0x2f2/0xc40
[  291.324133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.329672]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  291.334604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.340143]  ? should_fail+0x22d/0xd01
[  291.344038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.349143]  ? __lock_is_held+0xb5/0x140
[  291.353232]  ? __lock_is_held+0xb5/0x140
[  291.357336]  ? find_held_lock+0x36/0x1c0
[  291.361401]  ? ___might_sleep+0x1ed/0x300
[  291.365558]  ? lock_release+0x970/0x970
[  291.369532]  ? arch_local_save_flags+0x40/0x40
[  291.374125]  ? __might_sleep+0x95/0x190
[  291.378104]  __alloc_pages_nodemask+0xa80/0xde0
[  291.382781]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.387818]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.393623]  ? kasan_check_read+0x11/0x20
[  291.397772]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.403059]  ? graph_lock+0x170/0x170
[  291.406863]  ? print_usage_bug+0xc0/0xc0
[  291.410926]  ? graph_lock+0x170/0x170
[  291.414725]  ? graph_lock+0x170/0x170
[  291.418529]  ? __do_page_cache_readahead+0x7ce/0x980
[  291.423635]  ? find_held_lock+0x36/0x1c0
[  291.427708]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  291.433248]  alloc_pages_current+0x10c/0x210
[  291.437666]  ? lock_downgrade+0x900/0x900
[  291.441841]  __page_cache_alloc+0x38f/0x5b0
[  291.446167]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.451971]  ? kasan_check_read+0x11/0x20
[  291.456122]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.461405]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  291.466076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.471619]  ? check_preemption_disabled+0x48/0x200
[  291.476647]  filemap_fault+0x1594/0x25f0
[  291.480817]  ? __lock_page_or_retry+0xa00/0xa00
[  291.485513]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.491312]  ? kasan_check_read+0x11/0x20
[  291.495462]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.500757]  ? rcu_bh_qs+0xc0/0xc0
[  291.504314]  ? filemap_map_pages+0xdea/0x1980
[  291.508835]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.513945]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  291.519217]  ? debug_object_free+0x325/0x690
[  291.523627]  ? find_get_pages_range_tag+0x1320/0x1320
[  291.528912]  ? graph_lock+0x170/0x170
[  291.532728]  ? kasan_check_read+0x11/0x20
[  291.536877]  ? debug_object_destroy+0x2b0/0x2b0
[  291.541554]  ? lock_acquire+0x1ed/0x520
[  291.545527]  ? ext4_filemap_fault+0x7a/0xad
[  291.549859]  ? lock_release+0x970/0x970
[  291.553842]  ? arch_local_save_flags+0x40/0x40
[  291.558434]  ? futex_wait_setup+0x3e0/0x3e0
[  291.562770]  ? down_read+0xb0/0x1d0
[  291.566401]  ? ext4_filemap_fault+0x7a/0xad
[  291.570726]  ? __down_interruptible+0x700/0x700
[  291.575415]  ext4_filemap_fault+0x82/0xad
[  291.579570]  __do_fault+0x100/0x6b0
[  291.583207]  ? print_bad_pte+0x6c0/0x6c0
[  291.587270]  ? do_futex+0x249/0x26d0
[  291.590988]  ? pmd_val+0x88/0x100
[  291.594442]  ? add_mm_counter_fast+0xd0/0xd0
[  291.598854]  ? pmd_val+0x88/0x100
[  291.602306]  ? add_mm_counter_fast+0xd0/0xd0
[  291.606723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.612267]  __handle_mm_fault+0x3709/0x53e0
[  291.616693]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  291.621536]  ? graph_lock+0x170/0x170
[  291.625340]  ? print_usage_bug+0xc0/0xc0
[  291.629404]  ? graph_lock+0x170/0x170
[  291.633204]  ? graph_lock+0x170/0x170
[  291.637033]  ? handle_mm_fault+0x42a/0xc70
[  291.641267]  ? lock_downgrade+0x900/0x900
[  291.645420]  ? check_preemption_disabled+0x48/0x200
[  291.650444]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.656244]  ? kasan_check_read+0x11/0x20
[  291.660490]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.665770]  ? rcu_bh_qs+0xc0/0xc0
[  291.669315]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.674771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.680318]  ? check_preemption_disabled+0x48/0x200
[  291.685341]  handle_mm_fault+0x54f/0xc70
[  291.689407]  ? __handle_mm_fault+0x53e0/0x53e0
[  291.693995]  ? find_vma+0x34/0x190
[  291.697543]  __do_page_fault+0x67d/0xed0
[  291.701615]  ? mm_fault_error+0x380/0x380
[  291.705763]  ? trace_hardirqs_off+0xb8/0x300
[  291.710172]  ? trace_hardirqs_on+0x310/0x310
[  291.714581]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.719944]  ? trace_hardirqs_on+0x310/0x310
[  291.724359]  do_page_fault+0xf2/0x7e0
[  291.728181]  ? vmalloc_sync_all+0x30/0x30
[  291.732330]  ? error_entry+0x70/0xd0
[  291.736064]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.741079]  ? trace_hardirqs_on_caller+0xc0/0x300
[  291.746009]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.750938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.755786]  ? trace_hardirqs_off+0x300/0x300
[  291.760296]  ? trace_hardirqs_off_caller+0x300/0x300
[  291.765409]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.770429]  ? page_fault+0x8/0x30
[  291.773971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.778829]  ? page_fault+0x8/0x30
[  291.782373]  page_fault+0x1e/0x30
[  291.785840] RIP: 0033:0x40f9c0
[  291.789037] Code: Bad RIP value.
[  291.792402] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  291.797769] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  291.805036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  291.812300] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  291.819578] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  291.826849] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  291.834150] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  291.834155] warn_alloc_show_mem: 1 callbacks suppressed
[  291.834162] Mem-Info:
[  291.841431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.841440] Call Trace:
[  291.846820] active_anon:52539 inactive_anon:923 isolated_anon:0
[  291.846820]  active_file:16 inactive_file:19 isolated_file:0
[  291.846820]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.846820]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  291.846820]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  291.846820]  free:13650 free_pcp:205 free_cma:0
[  291.849194]  <IRQ>
[  291.858555] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.861135]  dump_stack+0x1c4/0x2b4
[  291.894082] Node 0 
[  291.896242]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.923997] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  291.927606]  warn_alloc.cold.118+0xb7/0x1bd
[  291.929813] lowmem_reserve[]:
[  291.934999]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.960477]  0
[  291.964794]  ? lock_downgrade+0x900/0x900
[  291.967877]  2817
[  291.972718]  ? trace_hardirqs_off+0xb8/0x300
[  291.974492]  6321
[  291.978634]  ? trace_hardirqs_off+0xb8/0x300
[  291.980692]  6321
[  291.985117]  __alloc_pages_slowpath+0x2667/0x2d80
[  291.991580]  ? warn_alloc+0x120/0x120
[  291.993592] Node 0 
[  291.998427]  ? warn_alloc+0x120/0x120
[  292.002226] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.004435]  ? print_usage_bug+0xc0/0xc0
[  292.008208] lowmem_reserve[]:
[  292.035185]  ? warn_alloc+0x120/0x120
[  292.039219]  0
[  292.042323]  ? print_usage_bug+0xc0/0xc0
[  292.046101]  0
[  292.047898]  ? __lock_acquire+0x7ec/0x4ec0
[  292.051934]  3503
[  292.053728]  ? __lock_acquire+0x7ec/0x4ec0
[  292.057930]  3503
[  292.059999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.064204] Node 0 
[  292.066262]  ? should_fail+0x22d/0xd01
[  292.071818] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  292.074036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.077893] lowmem_reserve[]:
[  292.106274]  ? __lock_acquire+0x7ec/0x4ec0
[  292.111359]  0
[  292.114464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.118667]  0
[  292.120467]  ? __lock_acquire+0x7ec/0x4ec0
[  292.125541]  0
[  292.127341]  ? should_fail+0x22d/0xd01
[  292.131546]  0
[  292.133355]  ? mark_held_locks+0x130/0x130
[  292.139004]  ? mark_held_locks+0x130/0x130
[  292.143214] Node 0 DMA: 
[  292.147442]  ? graph_lock+0x170/0x170
[  292.147456]  ? graph_lock+0x170/0x170
[  292.150109] 1*4kB 
[  292.153901]  ? graph_lock+0x170/0x170
[  292.157678] (U) 
[  292.159827]  ? print_usage_bug+0xc0/0xc0
[  292.163605] 0*8kB 0*16kB 
[  292.165589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.169623] 1*32kB 
[  292.172373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.177884] (U) 
[  292.180119]  ? check_preemption_disabled+0x48/0x200
[  292.185624] 2*64kB (U) 
[  292.187605]  ? check_preemption_disabled+0x48/0x200
[  292.192595] 1*128kB 
[  292.195179]  ? __lock_is_held+0xb5/0x140
[  292.200165] (U) 
[  292.202488]  __alloc_pages_nodemask+0xa80/0xde0
[  292.206522] 1*256kB 
[  292.208489]  ? graph_lock+0x170/0x170
[  292.213131] (U) 
[  292.215448]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.219226] 0*512kB 
[  292.221195]  ? graph_lock+0x170/0x170
[  292.226186] 1*1024kB 
[  292.228508]  ? find_held_lock+0x36/0x1c0
[  292.232277] (U) 
[  292.234689]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.238733] 1*2048kB (M) 
[  292.240718]  ? lock_downgrade+0x900/0x900
[  292.245358] 3*4096kB (M) 
[  292.248124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.252237] = 15908kB
[  292.252246] Node 0 
[  292.255000]  cache_grow_begin+0x91/0x8c0
[  292.260511] DMA32: 
[  292.262917]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.265139] 2*4kB 
[  292.269218]  fallback_alloc+0x203/0x2e0
[  292.271424] (M) 
[  292.275835]  ____cache_alloc_node+0x1c7/0x1e0
[  292.277961] 1*8kB 
[  292.281929]  kmem_cache_alloc_node+0xe3/0x730
[  292.283877] (U) 
[  292.288371]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.290493] 4*16kB 
[  292.294988]  __alloc_skb+0x119/0x770
[  292.296938] (UM) 
[  292.301171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.303377] 2*32kB 
[  292.307082]  ? skb_scrub_packet+0x490/0x490
[  292.309116] (UM) 
[  292.314384]  ? lock_downgrade+0x900/0x900
[  292.316594] 3*64kB 
[  292.320915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.322949] (UM) 
[  292.327092]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.329299] 4*128kB 
[  292.334845]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.336883] (UM) 
[  292.342340]  ? addrconf_rs_timer+0x6f0/0x6f0
[  292.344633] 2*256kB 
[  292.350086]  ndisc_alloc_skb+0x144/0x340
[  292.352112] (M) 
[  292.356520]  ndisc_send_rs+0x331/0x6e0
[  292.358832] 4*512kB 
[  292.362886]  addrconf_rs_timer+0x3c0/0x6f0
[  292.364839] (UM) 
[  292.368721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.371010] 3*1024kB (M) 
[  292.375255]  call_timer_fn+0x272/0x920
[  292.377283] 1*2048kB 
[  292.381513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.384237] (M) 4*4096kB 
[  292.388129]  ? process_timeout+0x40/0x40
[  292.390509] (M) 
[  292.394736]  ? find_held_lock+0x36/0x1c0
[  292.397468] = 24912kB
[  292.401523]  ? __run_timers+0x7da/0xc70
[  292.403467] Node 0 
[  292.407518]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.409900] Normal: 
[  292.413863]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.416084] 2389*4kB 
[  292.420579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.422876] (UME) 
[  292.427368]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  292.429758] 378*8kB (UME) 
[  292.434001]  ? trace_hardirqs_on+0xbd/0x310
[  292.436118] 73*16kB (UM) 
[  292.440707]  ? kasan_check_read+0x11/0x20
[  292.440725]  ? __run_timers+0x7da/0xc70
[  292.443540] 1*32kB (U) 
[  292.447866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.450596] 0*64kB 0*128kB 
[  292.454751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.458693] 0*256kB 0*512kB 
[  292.461282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.466707] 0*1024kB 
[  292.469634]  __run_timers+0x7e5/0xc70
[  292.473839] 0*2048kB 0*4096kB 
[  292.476869]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.481067] = 13780kB
[  292.483470]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.487258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.490454]  ? rcu_bh_qs+0xc0/0xc0
[  292.495796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.498204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.503452] 4510 total pagecache pages
[  292.512284]  ? check_preemption_disabled+0x48/0x200
[  292.515811] 0 pages in swap cache
[  292.524378]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.529889] Swap cache stats: add 0, delete 0, find 0/0
[  292.533765]  ? retint_kernel+0x2d/0x2d
[  292.538756] Free swap  = 0kB
[  292.542201]  ? trace_hardirqs_on_caller+0xc0/0x300
[  292.546929] Total swap = 0kB
[  292.552282]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.556143] 1965979 pages RAM
[  292.559156]  ? trace_hardirqs_off_caller+0x300/0x300
[  292.564052] 0 pages HighMem/MovableOnly
[  292.564060] 342744 pages reserved
[  292.567074]  ? check_preemption_disabled+0x48/0x200
[  292.571811] 0 pages cma reserved
[  292.574908]  ? graph_lock+0x170/0x170
[  292.580049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.583951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.583968]  ? check_preemption_disabled+0x48/0x200
[  292.583992]  ? __lock_is_held+0xb5/0x140
[  292.587477] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.592424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.595767] syz-fuzzer cpuset=
[  292.599562]  ? check_preemption_disabled+0x48/0x200
[  292.606033] /
[  292.611569]  run_timer_softirq+0x52/0xb0
[  292.616557]  mems_allowed=0
[  292.620611]  ? rcu_read_lock_sched_held+0x108/0x120
[  292.658191]  __do_softirq+0x30b/0xad8
[  292.662003]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.667112]  ? pvclock_read_flags+0x160/0x160
[  292.671609]  ? lapic_next_event+0x5a/0x90
[  292.675757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.681387]  ? check_preemption_disabled+0x48/0x200
[  292.686408]  ? check_preemption_disabled+0x48/0x200
[  292.691444]  ? kvm_clock_read+0x18/0x30
[  292.695434]  ? kvm_sched_clock_read+0x9/0x20
[  292.699846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.705384]  ? check_preemption_disabled+0x48/0x200
[  292.710448]  irq_exit+0x17f/0x1c0
[  292.713907]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.718750]  ? smp_reschedule_interrupt+0x109/0x650
[  292.723768]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.729656]  ? interrupt_entry+0xb5/0xf0
[  292.733718]  ? trace_hardirqs_off_caller+0xbb/0x300
[  292.738731]  ? trace_hardirqs_off_caller+0xbb/0x300
[  292.743753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.748596]  ? trace_hardirqs_off+0x300/0x300
[  292.753087]  ? trace_hardirqs_off+0x300/0x300
[  292.757597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.763152]  ? check_preemption_disabled+0x48/0x200
[  292.768167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.773712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.778565]  apic_timer_interrupt+0xf/0x20
[  292.782797]  </IRQ>
[  292.785046] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  292.789976] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  292.808887] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  292.816596] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  292.823861] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  292.831129] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  292.838396] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  292.845662] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  292.852965]  skb_clone+0x1bb/0x500
[  292.856522]  ? finish_task_switch+0x2f5/0x900
[  292.861021]  ? skb_split+0x11e0/0x11e0
[  292.864913]  ? preempt_notifier_register+0x200/0x200
[  292.870014]  ? __switch_to_asm+0x34/0x70
[  292.874074]  ? __switch_to_asm+0x34/0x70
[  292.878223]  ? __switch_to_asm+0x40/0x70
[  292.882286]  ? __switch_to_asm+0x34/0x70
[  292.886347]  ? __switch_to_asm+0x40/0x70
[  292.890408]  ? __switch_to_asm+0x34/0x70
[  292.894464]  ? __switch_to_asm+0x40/0x70
[  292.898523]  ? __switch_to_asm+0x34/0x70
[  292.902585]  ? __switch_to_asm+0x34/0x70
[  292.906648]  ? __switch_to_asm+0x40/0x70
[  292.910707]  ? __switch_to_asm+0x34/0x70
[  292.914779]  bpf_clone_redirect+0xb9/0x490
[  292.919023]  ? __schedule+0x874/0x1ed0
[  292.922925]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  292.927948]  ? __sched_text_start+0x8/0x8
[  292.932100]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.936874]  ? find_held_lock+0x36/0x1c0
[  292.940943]  ? lock_acquire+0x1ed/0x520
[  292.944944]  ? bpf_test_run+0x32e/0x5a0
[  292.948921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.954462]  ? check_preemption_disabled+0x48/0x200
[  292.959484]  ? kasan_check_read+0x11/0x20
[  292.963649]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.968928]  ? rcu_bh_qs+0xc0/0xc0
[  292.972479]  ? preempt_schedule+0x4d/0x60
[  292.976632]  ? ___preempt_schedule+0x16/0x18
[  292.981047]  ? bpf_test_run+0x1c0/0x5a0
[  292.985033]  ? netlink_diag_dump+0x2a0/0x2a0
[  292.989445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.994980]  ? bpf_test_init.isra.9+0x70/0x100
[  292.999569]  ? bpf_prog_test_run_skb+0x634/0xb40
[  293.004366]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.009206]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.014772]  ? fput+0x130/0x1a0
[  293.018062]  ? __bpf_prog_get+0x9b/0x290
[  293.022127]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.026973]  ? bpf_prog_test_run+0x130/0x1a0
[  293.031388]  ? __x64_sys_bpf+0x3d8/0x510
[  293.035464]  ? bpf_prog_get+0x20/0x20
[  293.039275]  ? ksys_ioctl+0x81/0xd0
[  293.042912]  ? do_syscall_64+0x1b9/0x820
[  293.046971]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.052336]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.057282]  ? trace_hardirqs_off+0x300/0x300
[  293.061798]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.066830]  ? recalc_sigpending_tsk+0x180/0x180
[  293.071588]  ? kasan_check_write+0x14/0x20
[  293.076019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.080871]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.086269] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  293.086361] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.093235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.093241] Call Trace:
[  293.093247]  <IRQ>
[  293.093262]  dump_stack+0x1c4/0x2b4
[  293.093314]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.099861] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.109158]  warn_alloc.cold.118+0xb7/0x1bd
[  293.111712] syz-executor2 cpuset=
[  293.113859]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.117459] syz2
[  293.122668]  ? lock_downgrade+0x900/0x900
[  293.133136]  mems_allowed=0
[  293.137451]  ? trace_hardirqs_off+0xb8/0x300
[  293.159173]  ? trace_hardirqs_off+0xb8/0x300
[  293.163594]  __alloc_pages_slowpath+0x2667/0x2d80
[  293.168482]  ? warn_alloc+0x120/0x120
[  293.172365]  ? warn_alloc+0x120/0x120
[  293.176172]  ? print_usage_bug+0xc0/0xc0
[  293.180235]  ? warn_alloc+0x120/0x120
[  293.184053]  ? print_usage_bug+0xc0/0xc0
[  293.188118]  ? __lock_acquire+0x7ec/0x4ec0
[  293.192353]  ? __lock_acquire+0x7ec/0x4ec0
[  293.196589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.202127]  ? should_fail+0x22d/0xd01
[  293.206228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.211331]  ? __lock_acquire+0x7ec/0x4ec0
[  293.215576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.220680]  ? __lock_acquire+0x7ec/0x4ec0
[  293.224915]  ? should_fail+0x22d/0xd01
[  293.228818]  ? mark_held_locks+0x130/0x130
[  293.233063]  ? mark_held_locks+0x130/0x130
[  293.237296]  ? graph_lock+0x170/0x170
[  293.241101]  ? graph_lock+0x170/0x170
[  293.244903]  ? graph_lock+0x170/0x170
[  293.248700]  ? print_usage_bug+0xc0/0xc0
[  293.252763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.258320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.263864]  ? check_preemption_disabled+0x48/0x200
[  293.268892]  ? check_preemption_disabled+0x48/0x200
[  293.273950]  ? __lock_is_held+0xb5/0x140
[  293.278022]  __alloc_pages_nodemask+0xa80/0xde0
[  293.282690]  ? graph_lock+0x170/0x170
[  293.286493]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.291520]  ? graph_lock+0x170/0x170
[  293.295334]  ? find_held_lock+0x36/0x1c0
[  293.299405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.304102]  ? lock_downgrade+0x900/0x900
[  293.308256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.313820]  cache_grow_begin+0x91/0x8c0
[  293.317890]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.322327]  fallback_alloc+0x203/0x2e0
[  293.326318]  ____cache_alloc_node+0x1c7/0x1e0
[  293.330869]  kmem_cache_alloc_node+0xe3/0x730
[  293.335369]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.339659]  __alloc_skb+0x119/0x770
[  293.343406]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.348703]  ? skb_scrub_packet+0x490/0x490
[  293.353024]  ? lock_downgrade+0x900/0x900
[  293.357184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.362724]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.368196]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.373646]  ? addrconf_rs_timer+0x6f0/0x6f0
[  293.378096]  ndisc_alloc_skb+0x144/0x340
[  293.382160]  ndisc_send_rs+0x331/0x6e0
[  293.386070]  addrconf_rs_timer+0x3c0/0x6f0
[  293.390313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.394562]  call_timer_fn+0x272/0x920
[  293.398449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.402686]  ? process_timeout+0x40/0x40
[  293.406746]  ? find_held_lock+0x36/0x1c0
[  293.410822]  ? mark_held_locks+0xc7/0x130
[  293.414983]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.419478]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.423973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.428206]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  293.432796]  ? trace_hardirqs_on+0xbd/0x310
[  293.437132]  ? kasan_check_read+0x11/0x20
[  293.441283]  ? __run_timers+0x7da/0xc70
[  293.445263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.450718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.454961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.459200]  __run_timers+0x7e5/0xc70
[  293.463018]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  293.468403]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.473417]  ? graph_lock+0x170/0x170
[  293.477223]  ? print_usage_bug+0xc0/0xc0
[  293.481284]  ? lock_release+0x970/0x970
[  293.485259]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.490457]  ? find_held_lock+0x36/0x1c0
[  293.494524]  ? graph_lock+0x170/0x170
[  293.498329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.503869]  ? check_preemption_disabled+0x48/0x200
[  293.508896]  ? __lock_is_held+0xb5/0x140
[  293.512958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.518500]  ? check_preemption_disabled+0x48/0x200
[  293.523525]  run_timer_softirq+0x52/0xb0
[  293.527615]  ? rcu_read_lock_sched_held+0x108/0x120
[  293.532670]  __do_softirq+0x30b/0xad8
[  293.536482]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.541592]  ? pvclock_read_flags+0x160/0x160
[  293.546087]  ? lapic_next_event+0x5a/0x90
[  293.550237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.555815]  ? check_preemption_disabled+0x48/0x200
[  293.560870]  ? check_preemption_disabled+0x48/0x200
[  293.565891]  ? kvm_clock_read+0x18/0x30
[  293.569864]  ? kvm_sched_clock_read+0x9/0x20
[  293.574278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.579822]  ? check_preemption_disabled+0x48/0x200
[  293.584865]  irq_exit+0x17f/0x1c0
[  293.588351]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.593227]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.599113]  ? interrupt_entry+0xb5/0xf0
[  293.603177]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.608189]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.613205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.618050]  ? trace_hardirqs_off+0x300/0x300
[  293.622546]  ? trace_hardirqs_off+0x300/0x300
[  293.627042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.632585]  ? check_preemption_disabled+0x48/0x200
[  293.637597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.643142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.647995]  apic_timer_interrupt+0xf/0x20
[  293.652224]  </IRQ>
[  293.654475] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  293.659751] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  293.678649] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  293.686357] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  293.693636] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  293.700929] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  293.708196] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  293.715462] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  293.722746]  ? arch_local_irq_restore+0x45/0x52
[  293.727422]  dump_stack+0x26a/0x2b4
[  293.731054]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.736263]  ? mark_held_locks+0x130/0x130
[  293.740508]  ? mark_held_locks+0x130/0x130
[  293.744765]  dump_header+0x27b/0xf72
[  293.748490]  ? pagefault_out_of_memory+0x197/0x197
[  293.753422]  ? mark_held_locks+0x130/0x130
[  293.757658]  ? __lock_acquire+0x7ec/0x4ec0
[  293.761894]  ? mem_cgroup_charge_statistics+0x780/0x780
[  293.767262]  ? print_usage_bug+0xc0/0xc0
[  293.771321]  ? print_usage_bug+0xc0/0xc0
[  293.775401]  ? graph_lock+0x170/0x170
[  293.779202]  ? graph_lock+0x170/0x170
[  293.783002]  ? print_usage_bug+0xc0/0xc0
[  293.787061]  ? print_usage_bug+0xc0/0xc0
[  293.791128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.796668]  ? find_held_lock+0x36/0x1c0
[  293.800738]  ? mark_held_locks+0xc7/0x130
[  293.804888]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.810000]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.815118]  ? lockdep_hardirqs_on+0x421/0x5c0
[  293.819714]  ? trace_hardirqs_on+0xbd/0x310
[  293.824034]  ? kasan_check_read+0x11/0x20
[  293.828184]  ? ___ratelimit+0x36f/0x655
[  293.832336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.837791]  ? trace_hardirqs_on+0x310/0x310
[  293.842255]  ? lock_downgrade+0x900/0x900
[  293.846410]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.851541]  ? ___ratelimit+0xaa/0x655
[  293.855454]  ? idr_get_free+0xec0/0xec0
[  293.859427]  ? kasan_check_write+0x14/0x20
[  293.863677]  ? do_raw_spin_lock+0xc1/0x200
[  293.867917]  oom_kill_process.cold.27+0x10/0x903
[  293.872677]  ? graph_lock+0x170/0x170
[  293.876479]  ? _raw_spin_unlock+0x2c/0x50
[  293.880640]  ? oom_badness+0xe6/0xaa0
[  293.884443]  ? oom_evaluate_task+0x540/0x540
[  293.888860]  ? find_held_lock+0x36/0x1c0
[  293.892956]  ? out_of_memory+0x974/0x14c0
[  293.897108]  ? lock_downgrade+0x900/0x900
[  293.901274]  ? check_preemption_disabled+0x48/0x200
[  293.906309]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.912104]  ? kasan_check_read+0x11/0x20
[  293.916251]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.921528]  ? rcu_bh_qs+0xc0/0xc0
[  293.925070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.930086]  ? oom_evaluate_task+0x302/0x540
[  293.934498]  out_of_memory+0xa86/0x14c0
[  293.938481]  ? oom_killer_disable+0x3a0/0x3a0
[  293.943011]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  293.947948]  ? __mutex_add_waiter+0x2a0/0x2a0
[  293.952454]  __alloc_pages_slowpath+0x2318/0x2d80
[  293.957325]  ? warn_alloc+0x120/0x120
[  293.961157]  ? find_get_entry+0x2f2/0xc40
[  293.965311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.970857]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  293.975785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.981333]  ? should_fail+0x22d/0xd01
[  293.985226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.990328]  ? __lock_is_held+0xb5/0x140
[  293.994416]  ? __lock_is_held+0xb5/0x140
[  293.998503]  ? find_held_lock+0x36/0x1c0
[  294.002570]  ? ___might_sleep+0x1ed/0x300
[  294.006720]  ? lock_release+0x970/0x970
[  294.010694]  ? arch_local_save_flags+0x40/0x40
[  294.015287]  ? __might_sleep+0x95/0x190
[  294.019265]  __alloc_pages_nodemask+0xa80/0xde0
[  294.024033]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.029070]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  294.034867]  ? kasan_check_read+0x11/0x20
[  294.039016]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.044298]  ? graph_lock+0x170/0x170
[  294.048130]  ? print_usage_bug+0xc0/0xc0
[  294.052192]  ? graph_lock+0x170/0x170
[  294.056018]  ? graph_lock+0x170/0x170
[  294.059824]  ? __do_page_cache_readahead+0x7ce/0x980
[  294.064943]  ? find_held_lock+0x36/0x1c0
[  294.069008]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  294.074549]  alloc_pages_current+0x10c/0x210
[  294.078954]  ? lock_downgrade+0x900/0x900
[  294.083109]  __page_cache_alloc+0x38f/0x5b0
[  294.087429]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  294.093243]  ? kasan_check_read+0x11/0x20
[  294.097392]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.102673]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  294.107356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.112897]  ? check_preemption_disabled+0x48/0x200
[  294.117926]  filemap_fault+0x1594/0x25f0
[  294.121999]  ? __lock_page_or_retry+0xa00/0xa00
[  294.126669]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  294.132497]  ? kasan_check_read+0x11/0x20
[  294.136651]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.141934]  ? rcu_bh_qs+0xc0/0xc0
[  294.145514]  ? filemap_map_pages+0xdea/0x1980
[  294.150036]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.155147]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  294.160420]  ? debug_object_free+0x325/0x690
[  294.164846]  ? find_get_pages_range_tag+0x1320/0x1320
[  294.170041]  ? graph_lock+0x170/0x170
[  294.173868]  ? kasan_check_read+0x11/0x20
[  294.178021]  ? debug_object_destroy+0x2b0/0x2b0
[  294.182701]  ? lock_acquire+0x1ed/0x520
[  294.186680]  ? ext4_filemap_fault+0x7a/0xad
[  294.191008]  ? lock_release+0x970/0x970
[  294.194987]  ? arch_local_save_flags+0x40/0x40
[  294.199573]  ? futex_wait_setup+0x3e0/0x3e0
[  294.203907]  ? down_read+0xb0/0x1d0
[  294.207562]  ? ext4_filemap_fault+0x7a/0xad
[  294.211898]  ? __down_interruptible+0x700/0x700
[  294.216587]  ext4_filemap_fault+0x82/0xad
[  294.220738]  __do_fault+0x100/0x6b0
[  294.224377]  ? print_bad_pte+0x6c0/0x6c0
[  294.228475]  ? do_futex+0x249/0x26d0
[  294.232194]  ? pmd_val+0x88/0x100
[  294.235662]  ? add_mm_counter_fast+0xd0/0xd0
[  294.240069]  ? pmd_val+0x88/0x100
[  294.243521]  ? add_mm_counter_fast+0xd0/0xd0
[  294.247949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.253499]  __handle_mm_fault+0x3709/0x53e0
[  294.257920]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  294.262779]  ? graph_lock+0x170/0x170
[  294.266584]  ? print_usage_bug+0xc0/0xc0
[  294.270674]  ? graph_lock+0x170/0x170
[  294.274473]  ? graph_lock+0x170/0x170
[  294.278293]  ? handle_mm_fault+0x42a/0xc70
[  294.282530]  ? lock_downgrade+0x900/0x900
[  294.286698]  ? check_preemption_disabled+0x48/0x200
[  294.291725]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  294.297525]  ? kasan_check_read+0x11/0x20
[  294.301669]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.306948]  ? rcu_bh_qs+0xc0/0xc0
[  294.310493]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.315958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.321501]  ? check_preemption_disabled+0x48/0x200
[  294.326526]  handle_mm_fault+0x54f/0xc70
[  294.330601]  ? __handle_mm_fault+0x53e0/0x53e0
[  294.335184]  ? find_vma+0x34/0x190
[  294.338813]  __do_page_fault+0x67d/0xed0
[  294.342891]  ? mm_fault_error+0x380/0x380
[  294.347040]  ? trace_hardirqs_off+0xb8/0x300
[  294.351447]  ? trace_hardirqs_on+0x310/0x310
[  294.355861]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  294.361224]  ? trace_hardirqs_on+0x310/0x310
[  294.365638]  do_page_fault+0xf2/0x7e0
[  294.369440]  ? vmalloc_sync_all+0x30/0x30
[  294.373623]  ? error_entry+0x70/0xd0
[  294.377336]  ? trace_hardirqs_off_caller+0xbb/0x300
[  294.382354]  ? trace_hardirqs_on_caller+0xc0/0x300
[  294.387316]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.392265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.397108]  ? trace_hardirqs_off+0x300/0x300
[  294.401602]  ? trace_hardirqs_off_caller+0x300/0x300
[  294.406715]  ? prepare_exit_to_usermode+0x291/0x3b0
[  294.411731]  ? page_fault+0x8/0x30
[  294.415271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.420112]  ? page_fault+0x8/0x30
[  294.423653]  page_fault+0x1e/0x30
[  294.427119] RIP: 0033:0x40f9c0
[  294.430313] Code: Bad RIP value.
[  294.433678] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  294.439059] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  294.446357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  294.453625] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  294.460895] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  294.468161] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  294.475453] warn_alloc_show_mem: 1 callbacks suppressed
[  294.475465] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  294.475467] Mem-Info:
[  294.475499] active_anon:52539 inactive_anon:923 isolated_anon:0
[  294.475499]  active_file:16 inactive_file:19 isolated_file:0
[  294.475499]  unevictable:0 dirty:0 writeback:0 unstable:0
[  294.475499]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  294.475499]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  294.475499]  free:13650 free_pcp:205 free_cma:0
[  294.480846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.480855] Call Trace:
[  294.488136] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.490550]  <IRQ>
[  294.523501] Node 0 
[  294.532868]  dump_stack+0x1c4/0x2b4
[  294.535449] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  294.563179]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.565300] lowmem_reserve[]:
[  294.567544]  warn_alloc.cold.118+0xb7/0x1bd
[  294.571135]  0
[  294.596628]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.601794]  2817
[  294.604900]  ? lock_downgrade+0x900/0x900
[  294.609208]  6321
[  294.611034]  ? trace_hardirqs_off+0xb8/0x300
[  294.615853]  6321
[  294.617916]  ? trace_hardirqs_off+0xb8/0x300
[  294.624094]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.628471] Node 0 
[  294.630554]  ? warn_alloc+0x120/0x120
[  294.634937] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.639749]  ? warn_alloc+0x120/0x120
[  294.641958] lowmem_reserve[]:
[  294.645751]  ? print_usage_bug+0xc0/0xc0
[  294.672694]  0 0
[  294.676494]  ? warn_alloc+0x120/0x120
[  294.679570]  3503 3503
[  294.683632]  ? print_usage_bug+0xc0/0xc0
[  294.689381]  ? __lock_acquire+0x7ec/0x4ec0
[  294.691859] Node 0 
[  294.695911]  ? __lock_acquire+0x7ec/0x4ec0
[  294.700164] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  294.702376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.706592] lowmem_reserve[]:
[  294.734982]  ? should_fail+0x22d/0xd01
[  294.740524]  0
[  294.743650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.747505]  0 0
[  294.749331]  ? __lock_acquire+0x7ec/0x4ec0
[  294.754407]  0
[  294.756379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.762395]  ? __lock_acquire+0x7ec/0x4ec0
[  294.767490] Node 0 
[  294.771757]  ? should_fail+0x22d/0xd01
[  294.771767] DMA: 
[  294.774002]  ? mark_held_locks+0x130/0x130
[  294.777862] 1*4kB 
[  294.779917]  ? mark_held_locks+0x130/0x130
[  294.784132] (U) 
[  294.786271]  ? graph_lock+0x170/0x170
[  294.790473] 0*8kB 0*16kB 
[  294.792447]  ? graph_lock+0x170/0x170
[  294.796218] 1*32kB (U) 
[  294.798993]  ? graph_lock+0x170/0x170
[  294.802761] 2*64kB (U) 
[  294.805351]  ? print_usage_bug+0xc0/0xc0
[  294.809143] 1*128kB 
[  294.811720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.815746] (U) 1*256kB 
[  294.818101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.823636] (U) 
[  294.826321]  ? check_preemption_disabled+0x48/0x200
[  294.831836] 0*512kB 
[  294.833816]  ? check_preemption_disabled+0x48/0x200
[  294.838801] 1*1024kB (U) 
[  294.841141]  ? __lock_is_held+0xb5/0x140
[  294.846123] 1*2048kB 
[  294.848886]  __alloc_pages_nodemask+0xa80/0xde0
[  294.852945] (M) 
[  294.855350]  ? graph_lock+0x170/0x170
[  294.859996] 3*4096kB 
[  294.861967]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.865738] (M) 
[  294.868138]  ? graph_lock+0x170/0x170
[  294.873146] = 15908kB
[  294.875157]  ? find_held_lock+0x36/0x1c0
[  294.878996] Node 0 
[  294.881404]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.885449] DMA32: 
[  294.887677]  ? lock_downgrade+0x900/0x900
[  294.892318] 2*4kB 
[  294.894571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.898690] (M) 
[  294.900848]  cache_grow_begin+0x91/0x8c0
[  294.906361] 1*8kB 
[  294.908336]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.912367] (U) 
[  294.914532]  fallback_alloc+0x203/0x2e0
[  294.918913] 4*16kB 
[  294.920903]  ____cache_alloc_node+0x1c7/0x1e0
[  294.924856] (UM) 2*32kB 
[  294.927101]  kmem_cache_alloc_node+0xe3/0x730
[  294.931561] (UM) 3*64kB 
[  294.934240]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.938703] (UM) 
[  294.941391]  __alloc_skb+0x119/0x770
[  294.945593] 4*128kB 
[  294.947653]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.951332] (UM) 2*256kB 
[  294.953656]  ? skb_scrub_packet+0x490/0x490
[  294.958909] (M) 
[  294.961661]  ? lock_downgrade+0x900/0x900
[  294.965954] 4*512kB (UM) 
[  294.967933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.972056] 3*1024kB 
[  294.974819]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.980338] (M) 
[  294.982744]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.988177] 1*2048kB 
[  294.990165]  ? addrconf_rs_timer+0x6f0/0x6f0
[  294.995590] (M) 
[  294.998004]  ndisc_alloc_skb+0x144/0x340
[  295.002380] 4*4096kB 
[  295.004352]  ndisc_send_rs+0x331/0x6e0
[  295.008410] (M) 
[  295.010832]  addrconf_rs_timer+0x3c0/0x6f0
[  295.014696] = 24912kB
[  295.016665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.020873] Node 0 
[  295.023297]  call_timer_fn+0x272/0x920
[  295.027522] Normal: 2389*4kB 
[  295.029785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.033647] (UME) 378*8kB 
[  295.036753]  ? process_timeout+0x40/0x40
[  295.040955] (UME) 73*16kB 
[  295.043800]  ? find_held_lock+0x36/0x1c0
[  295.047845] (UM) 
[  295.050689]  ? __run_timers+0x7da/0xc70
[  295.054717] 1*32kB (U) 
[  295.056784]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.060726] 0*64kB 0*128kB 
[  295.063311]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.067777] 0*256kB 0*512kB 
[  295.070720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.075715] 0*1024kB 0*2048kB 
[  295.078742]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  295.082953] 0*4096kB 
[  295.086136]  ? trace_hardirqs_on+0xbd/0x310
[  295.090694] = 13780kB
[  295.093100]  ? kasan_check_read+0x11/0x20
[  295.097400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.099799]  ? __run_timers+0x7da/0xc70
[  295.103937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.112766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.116714] 4510 total pagecache pages
[  295.125282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.130744] 0 pages in swap cache
[  295.134629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.138841] Swap cache stats: add 0, delete 0, find 0/0
[  295.138850] Free swap  = 0kB
[  295.142295]  __run_timers+0x7e5/0xc70
[  295.146519] Total swap = 0kB
[  295.151883]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.154883] 1965979 pages RAM
[  295.158692]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.161697] 0 pages HighMem/MovableOnly
[  295.167050]  ? rcu_bh_qs+0xc0/0xc0
[  295.170134] 342744 pages reserved
[  295.175419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.179396] 0 pages cma reserved
[  295.182934]  ? check_preemption_disabled+0x48/0x200
[  295.186417] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.191887]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.195317] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.200238]  ? retint_kernel+0x2d/0x2d
[  295.206957] syz-fuzzer cpuset=
[  295.211718]  ? trace_hardirqs_on_caller+0xc0/0x300
[  295.221913] /
[  295.225791]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.228967]  mems_allowed=0
[  295.233884]  ? trace_hardirqs_off_caller+0x300/0x300
[  295.248340]  ? check_preemption_disabled+0x48/0x200
[  295.253359]  ? graph_lock+0x170/0x170
[  295.257169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.262708]  ? check_preemption_disabled+0x48/0x200
[  295.267736]  ? __lock_is_held+0xb5/0x140
[  295.271797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.277403]  ? check_preemption_disabled+0x48/0x200
[  295.282461]  run_timer_softirq+0x52/0xb0
[  295.286539]  ? rcu_read_lock_sched_held+0x108/0x120
[  295.291563]  __do_softirq+0x30b/0xad8
[  295.295388]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.300526]  ? pvclock_read_flags+0x160/0x160
[  295.305020]  ? lapic_next_event+0x5a/0x90
[  295.309169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.314719]  ? check_preemption_disabled+0x48/0x200
[  295.319761]  ? check_preemption_disabled+0x48/0x200
[  295.324790]  ? kvm_clock_read+0x18/0x30
[  295.328770]  ? kvm_sched_clock_read+0x9/0x20
[  295.333181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.338737]  ? check_preemption_disabled+0x48/0x200
[  295.343764]  irq_exit+0x17f/0x1c0
[  295.347276]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.352140]  ? smp_reschedule_interrupt+0x109/0x650
[  295.357157]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.363041]  ? interrupt_entry+0xb5/0xf0
[  295.367104]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.372118]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.377153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.382012]  ? trace_hardirqs_off+0x300/0x300
[  295.386509]  ? trace_hardirqs_off+0x300/0x300
[  295.391016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.396576]  ? check_preemption_disabled+0x48/0x200
[  295.401591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.407136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.411989]  apic_timer_interrupt+0xf/0x20
[  295.416220]  </IRQ>
[  295.418462] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  295.423388] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  295.442291] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  295.450003] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  295.457268] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  295.464535] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  295.471798] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  295.479089] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  295.486397]  skb_clone+0x1bb/0x500
[  295.489943]  ? finish_task_switch+0x2f5/0x900
[  295.494439]  ? skb_split+0x11e0/0x11e0
[  295.498333]  ? preempt_notifier_register+0x200/0x200
[  295.503440]  ? __switch_to_asm+0x34/0x70
[  295.507498]  ? __switch_to_asm+0x34/0x70
[  295.511558]  ? __switch_to_asm+0x40/0x70
[  295.515671]  ? __switch_to_asm+0x34/0x70
[  295.519758]  ? __switch_to_asm+0x40/0x70
[  295.523843]  ? __switch_to_asm+0x34/0x70
[  295.527901]  ? __switch_to_asm+0x40/0x70
[  295.531966]  ? __switch_to_asm+0x34/0x70
[  295.536026]  ? __switch_to_asm+0x34/0x70
[  295.540086]  ? __switch_to_asm+0x40/0x70
[  295.544143]  ? __switch_to_asm+0x34/0x70
[  295.548219]  bpf_clone_redirect+0xb9/0x490
[  295.552453]  ? __schedule+0x874/0x1ed0
[  295.556355]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  295.561372]  ? __sched_text_start+0x8/0x8
[  295.565538]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.570306]  ? find_held_lock+0x36/0x1c0
[  295.574377]  ? lock_acquire+0x1ed/0x520
[  295.578357]  ? bpf_test_run+0x32e/0x5a0
[  295.582338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.587879]  ? check_preemption_disabled+0x48/0x200
[  295.592934]  ? kasan_check_read+0x11/0x20
[  295.597116]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.602396]  ? rcu_bh_qs+0xc0/0xc0
[  295.605938]  ? preempt_schedule+0x4d/0x60
[  295.610084]  ? ___preempt_schedule+0x16/0x18
[  295.614500]  ? bpf_test_run+0x1c0/0x5a0
[  295.618487]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.622903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.628439]  ? bpf_test_init.isra.9+0x70/0x100
[  295.633025]  ? bpf_prog_test_run_skb+0x634/0xb40
[  295.637866]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.642725]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.648263]  ? fput+0x130/0x1a0
[  295.651546]  ? __bpf_prog_get+0x9b/0x290
[  295.655607]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.660449]  ? bpf_prog_test_run+0x130/0x1a0
[  295.664863]  ? __x64_sys_bpf+0x3d8/0x510
[  295.668923]  ? bpf_prog_get+0x20/0x20
[  295.672736]  ? ksys_ioctl+0x81/0xd0
[  295.676382]  ? do_syscall_64+0x1b9/0x820
[  295.680444]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.685816]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.690751]  ? trace_hardirqs_off+0x300/0x300
[  295.695253]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.700268]  ? recalc_sigpending_tsk+0x180/0x180
[  295.705031]  ? kasan_check_write+0x14/0x20
[  295.709277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.714862]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.720246] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  295.720317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.727171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.727177] Call Trace:
[  295.727184]  <IRQ>
[  295.727200]  dump_stack+0x1c4/0x2b4
[  295.727221]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.733897] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.743091]  warn_alloc.cold.118+0xb7/0x1bd
[  295.745648] syz-executor2 cpuset=
[  295.747791]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.751396] syz2
[  295.756578]  ? lock_downgrade+0x900/0x900
[  295.767038]  mems_allowed=0
[  295.771382]  ? trace_hardirqs_off+0xb8/0x300
[  295.793113]  ? trace_hardirqs_off+0xb8/0x300
[  295.797547]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.802432]  ? warn_alloc+0x120/0x120
[  295.806233]  ? trace_hardirqs_on+0x310/0x310
[  295.810651]  ? warn_alloc+0x120/0x120
[  295.814455]  ? print_usage_bug+0xc0/0xc0
[  295.818518]  ? warn_alloc+0x120/0x120
[  295.822336]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  295.827372]  ? print_usage_bug+0xc0/0xc0
[  295.831437]  ? __lock_acquire+0x7ec/0x4ec0
[  295.835775]  ? __lock_acquire+0x7ec/0x4ec0
[  295.840020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.845559]  ? should_fail+0x22d/0xd01
[  295.849451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.854565]  ? __lock_acquire+0x7ec/0x4ec0
[  295.858802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.863959]  ? __lock_acquire+0x7ec/0x4ec0
[  295.868203]  ? should_fail+0x22d/0xd01
[  295.872087]  ? print_usage_bug+0xc0/0xc0
[  295.876159]  ? mark_held_locks+0x130/0x130
[  295.880402]  ? mark_held_locks+0x130/0x130
[  295.884648]  ? graph_lock+0x170/0x170
[  295.888450]  ? print_usage_bug+0xc0/0xc0
[  295.892510]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.897281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.902833]  ? check_preemption_disabled+0x48/0x200
[  295.907852]  ? check_preemption_disabled+0x48/0x200
[  295.912878]  ? __lock_is_held+0xb5/0x140
[  295.916947]  __alloc_pages_nodemask+0xa80/0xde0
[  295.921619]  ? graph_lock+0x170/0x170
[  295.925423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.930435]  ? graph_lock+0x170/0x170
[  295.934250]  ? find_held_lock+0x36/0x1c0
[  295.938320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.942991]  ? lock_downgrade+0x900/0x900
[  295.947145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.952686]  cache_grow_begin+0x91/0x8c0
[  295.956762]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.961182]  fallback_alloc+0x203/0x2e0
[  295.965164]  ____cache_alloc_node+0x1c7/0x1e0
[  295.969669]  kmem_cache_alloc_node+0xe3/0x730
[  295.974188]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.978434]  __alloc_skb+0x119/0x770
[  295.982150]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.987515]  ? skb_scrub_packet+0x490/0x490
[  295.991849]  ? lock_downgrade+0x900/0x900
[  295.996004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.001545]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.006999]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.012493]  ? addrconf_rs_timer+0x6f0/0x6f0
[  296.016919]  ndisc_alloc_skb+0x144/0x340
[  296.020984]  ndisc_send_rs+0x331/0x6e0
[  296.024877]  addrconf_rs_timer+0x3c0/0x6f0
[  296.029122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.033380]  call_timer_fn+0x272/0x920
[  296.037270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.041510]  ? process_timeout+0x40/0x40
[  296.045585]  ? find_held_lock+0x36/0x1c0
[  296.049656]  ? mark_held_locks+0xc7/0x130
[  296.053815]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.058317]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.062836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.067074]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  296.071660]  ? trace_hardirqs_on+0xbd/0x310
[  296.075979]  ? kasan_check_read+0x11/0x20
[  296.080126]  ? __run_timers+0x7da/0xc70
[  296.084101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.089558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.093799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.098057]  __run_timers+0x7e5/0xc70
[  296.101876]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.107502]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.112519]  ? graph_lock+0x170/0x170
[  296.116322]  ? print_usage_bug+0xc0/0xc0
[  296.120379]  ? lock_release+0x970/0x970
[  296.124352]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.129577]  ? find_held_lock+0x36/0x1c0
[  296.133651]  ? graph_lock+0x170/0x170
[  296.137458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.143006]  ? check_preemption_disabled+0x48/0x200
[  296.148039]  ? __lock_is_held+0xb5/0x140
[  296.152101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.157641]  ? check_preemption_disabled+0x48/0x200
[  296.162664]  run_timer_softirq+0x52/0xb0
[  296.166741]  ? rcu_read_lock_sched_held+0x108/0x120
[  296.171761]  __do_softirq+0x30b/0xad8
[  296.175572]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.180682]  ? pvclock_read_flags+0x160/0x160
[  296.185174]  ? lapic_next_event+0x5a/0x90
[  296.189323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.194874]  ? check_preemption_disabled+0x48/0x200
[  296.199889]  ? check_preemption_disabled+0x48/0x200
[  296.204915]  ? kvm_clock_read+0x18/0x30
[  296.208888]  ? kvm_sched_clock_read+0x9/0x20
[  296.213313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.218880]  ? check_preemption_disabled+0x48/0x200
[  296.223917]  irq_exit+0x17f/0x1c0
[  296.227370]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.232219]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.238107]  ? interrupt_entry+0xb5/0xf0
[  296.242172]  ? trace_hardirqs_off_caller+0xbb/0x300
[  296.247191]  ? trace_hardirqs_off_caller+0xbb/0x300
[  296.252226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.257082]  ? trace_hardirqs_off+0x300/0x300
[  296.261603]  ? trace_hardirqs_off+0x300/0x300
[  296.266142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.271696]  ? check_preemption_disabled+0x48/0x200
[  296.276724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.282285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.287139]  apic_timer_interrupt+0xf/0x20
[  296.291370]  </IRQ>
[  296.293606] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  296.298882] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  296.317783] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  296.325505] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  296.332770] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  296.340039] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  296.347304] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  296.354567] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  296.361889]  ? arch_local_irq_restore+0x45/0x52
[  296.366577]  dump_stack+0x26a/0x2b4
[  296.370244]  ? dump_stack_print_info.cold.2+0x52/0x52
[  296.375453]  ? mark_held_locks+0x130/0x130
[  296.379688]  ? mark_held_locks+0x130/0x130
[  296.383927]  dump_header+0x27b/0xf72
[  296.387660]  ? pagefault_out_of_memory+0x197/0x197
[  296.392595]  ? mark_held_locks+0x130/0x130
[  296.396874]  ? __lock_acquire+0x7ec/0x4ec0
[  296.401115]  ? mem_cgroup_charge_statistics+0x780/0x780
[  296.406480]  ? print_usage_bug+0xc0/0xc0
[  296.410555]  ? print_usage_bug+0xc0/0xc0
[  296.414620]  ? graph_lock+0x170/0x170
[  296.418419]  ? graph_lock+0x170/0x170
[  296.422216]  ? print_usage_bug+0xc0/0xc0
[  296.426276]  ? print_usage_bug+0xc0/0xc0
[  296.430345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.435890]  ? find_held_lock+0x36/0x1c0
[  296.439961]  ? mark_held_locks+0xc7/0x130
[  296.444116]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.449221]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.454328]  ? lockdep_hardirqs_on+0x421/0x5c0
[  296.458911]  ? trace_hardirqs_on+0xbd/0x310
[  296.463232]  ? kasan_check_read+0x11/0x20
[  296.467384]  ? ___ratelimit+0x36f/0x655
[  296.471360]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.476814]  ? trace_hardirqs_on+0x310/0x310
[  296.481243]  ? lock_downgrade+0x900/0x900
[  296.485396]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.490502]  ? ___ratelimit+0xaa/0x655
[  296.494395]  ? idr_get_free+0xec0/0xec0
[  296.498374]  ? kasan_check_write+0x14/0x20
[  296.502607]  ? do_raw_spin_lock+0xc1/0x200
[  296.506855]  oom_kill_process.cold.27+0x10/0x903
[  296.511616]  ? graph_lock+0x170/0x170
[  296.515441]  ? _raw_spin_unlock+0x2c/0x50
[  296.519615]  ? oom_badness+0xe6/0xaa0
[  296.523426]  ? oom_evaluate_task+0x540/0x540
[  296.527850]  ? find_held_lock+0x36/0x1c0
[  296.531919]  ? out_of_memory+0x974/0x14c0
[  296.536067]  ? lock_downgrade+0x900/0x900
[  296.540217]  ? check_preemption_disabled+0x48/0x200
[  296.545239]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.551038]  ? kasan_check_read+0x11/0x20
[  296.555189]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.560482]  ? rcu_bh_qs+0xc0/0xc0
[  296.564026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.569045]  ? oom_evaluate_task+0x302/0x540
[  296.573457]  out_of_memory+0xa86/0x14c0
[  296.577448]  ? oom_killer_disable+0x3a0/0x3a0
[  296.581945]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  296.586881]  ? __mutex_add_waiter+0x2a0/0x2a0
[  296.591405]  __alloc_pages_slowpath+0x2318/0x2d80
[  296.596280]  ? warn_alloc+0x120/0x120
[  296.600098]  ? find_get_entry+0x2f2/0xc40
[  296.604255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.609796]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  296.614738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.620277]  ? should_fail+0x22d/0xd01
[  296.624168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.629273]  ? __lock_is_held+0xb5/0x140
[  296.633392]  ? __lock_is_held+0xb5/0x140
[  296.637473]  ? find_held_lock+0x36/0x1c0
[  296.641541]  ? ___might_sleep+0x1ed/0x300
[  296.645702]  ? lock_release+0x970/0x970
[  296.649693]  ? arch_local_save_flags+0x40/0x40
[  296.654318]  ? __might_sleep+0x95/0x190
[  296.658347]  __alloc_pages_nodemask+0xa80/0xde0
[  296.663040]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.668059]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.673863]  ? kasan_check_read+0x11/0x20
[  296.678013]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.683317]  ? graph_lock+0x170/0x170
[  296.687169]  ? print_usage_bug+0xc0/0xc0
[  296.691235]  ? graph_lock+0x170/0x170
[  296.695033]  ? graph_lock+0x170/0x170
[  296.698845]  ? __do_page_cache_readahead+0x7ce/0x980
[  296.703954]  ? find_held_lock+0x36/0x1c0
[  296.708024]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  296.713562]  alloc_pages_current+0x10c/0x210
[  296.717971]  ? lock_downgrade+0x900/0x900
[  296.722141]  __page_cache_alloc+0x38f/0x5b0
[  296.726461]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.732260]  ? kasan_check_read+0x11/0x20
[  296.736408]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.741687]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  296.746360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.751900]  ? check_preemption_disabled+0x48/0x200
[  296.756930]  filemap_fault+0x1594/0x25f0
[  296.761005]  ? __lock_page_or_retry+0xa00/0xa00
[  296.765675]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.771473]  ? kasan_check_read+0x11/0x20
[  296.775622]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.780900]  ? rcu_bh_qs+0xc0/0xc0
[  296.784457]  ? filemap_map_pages+0xdea/0x1980
[  296.788964]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.794072]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  296.799344]  ? debug_object_free+0x325/0x690
[  296.803763]  ? find_get_pages_range_tag+0x1320/0x1320
[  296.808959]  ? graph_lock+0x170/0x170
[  296.812768]  ? kasan_check_read+0x11/0x20
[  296.816920]  ? debug_object_destroy+0x2b0/0x2b0
[  296.821598]  ? lock_acquire+0x1ed/0x520
[  296.825571]  ? ext4_filemap_fault+0x7a/0xad
[  296.829902]  ? lock_release+0x970/0x970
[  296.833878]  ? arch_local_save_flags+0x40/0x40
[  296.838495]  ? futex_wait_setup+0x3e0/0x3e0
[  296.842843]  ? down_read+0xb0/0x1d0
[  296.846470]  ? ext4_filemap_fault+0x7a/0xad
[  296.850793]  ? __down_interruptible+0x700/0x700
[  296.855495]  ext4_filemap_fault+0x82/0xad
[  296.859645]  __do_fault+0x100/0x6b0
[  296.863277]  ? print_bad_pte+0x6c0/0x6c0
[  296.867341]  ? do_futex+0x249/0x26d0
[  296.871061]  ? pmd_val+0x88/0x100
[  296.874514]  ? add_mm_counter_fast+0xd0/0xd0
[  296.878922]  ? pmd_val+0x88/0x100
[  296.882376]  ? add_mm_counter_fast+0xd0/0xd0
[  296.886816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.892365]  __handle_mm_fault+0x3709/0x53e0
[  296.896790]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  296.901643]  ? graph_lock+0x170/0x170
[  296.905448]  ? print_usage_bug+0xc0/0xc0
[  296.909545]  ? graph_lock+0x170/0x170
[  296.913344]  ? graph_lock+0x170/0x170
[  296.917166]  ? handle_mm_fault+0x42a/0xc70
[  296.921405]  ? lock_downgrade+0x900/0x900
[  296.925558]  ? check_preemption_disabled+0x48/0x200
[  296.930581]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.936379]  ? kasan_check_read+0x11/0x20
[  296.940531]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.945815]  ? rcu_bh_qs+0xc0/0xc0
[  296.949365]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.954826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.960372]  ? check_preemption_disabled+0x48/0x200
[  296.965397]  handle_mm_fault+0x54f/0xc70
[  296.969466]  ? __handle_mm_fault+0x53e0/0x53e0
[  296.974054]  ? find_vma+0x34/0x190
[  296.977599]  __do_page_fault+0x67d/0xed0
[  296.981669]  ? mm_fault_error+0x380/0x380
[  296.985827]  ? trace_hardirqs_off+0xb8/0x300
[  296.990241]  ? trace_hardirqs_on+0x310/0x310
[  296.994652]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.000018]  ? trace_hardirqs_on+0x310/0x310
[  297.004433]  do_page_fault+0xf2/0x7e0
[  297.008237]  ? vmalloc_sync_all+0x30/0x30
[  297.012384]  ? error_entry+0x70/0xd0
[  297.016102]  ? trace_hardirqs_off_caller+0xbb/0x300
[  297.021121]  ? trace_hardirqs_on_caller+0xc0/0x300
[  297.026051]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.030979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.035837]  ? trace_hardirqs_off+0x300/0x300
[  297.040330]  ? trace_hardirqs_off_caller+0x300/0x300
[  297.045443]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.050458]  ? page_fault+0x8/0x30
[  297.054000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.058854]  ? page_fault+0x8/0x30
[  297.062399]  page_fault+0x1e/0x30
[  297.065857] RIP: 0033:0x40f9c0
[  297.069056] Code: Bad RIP value.
[  297.072420] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  297.078216] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  297.085481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  297.092744] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  297.100012] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  297.107281] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  297.114580] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  297.114586] warn_alloc_show_mem: 1 callbacks suppressed
[  297.114592] Mem-Info:
[  297.121859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.121867] Call Trace:
[  297.127238] active_anon:52539 inactive_anon:923 isolated_anon:0
[  297.127238]  active_file:16 inactive_file:19 isolated_file:0
[  297.127238]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.127238]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  297.127238]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  297.127238]  free:13650 free_pcp:205 free_cma:0
[  297.129612]  <IRQ>
[  297.138976] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.141555]  dump_stack+0x1c4/0x2b4
[  297.174503] Node 0 
[  297.176656]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.204411] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  297.208538]  warn_alloc.cold.118+0xb7/0x1bd
[  297.210741] lowmem_reserve[]:
[  297.215925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.241400]  0
[  297.245715]  ? lock_downgrade+0x900/0x900
[  297.248791]  2817
[  297.253638]  ? trace_hardirqs_off+0xb8/0x300
[  297.255407]  6321 6321
[  297.259559]  ? trace_hardirqs_off+0xb8/0x300
[  297.265999]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.268470] Node 0 
[  297.272894]  ? warn_alloc+0x120/0x120
[  297.277711] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  297.279918]  ? trace_hardirqs_on+0x310/0x310
[  297.283688] lowmem_reserve[]: 0
[  297.310667]  ? warn_alloc+0x120/0x120
[  297.315051]  0
[  297.318325]  ? print_usage_bug+0xc0/0xc0
[  297.322099]  3503
[  297.323893]  ? warn_alloc+0x120/0x120
[  297.327930]  3503
[  297.329986]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  297.335844]  ? print_usage_bug+0xc0/0xc0
[  297.340843] Node 0 Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  297.344929]  ? __lock_acquire+0x7ec/0x4ec0
[  297.344944]  ? __lock_acquire+0x7ec/0x4ec0
[  297.373888] lowmem_reserve[]: 0
[  297.378127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.382341]  0
[  297.385618]  ? should_fail+0x22d/0xd01
[  297.391123]  0
[  297.392923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.396781]  0
[  297.398577]  ? __lock_acquire+0x7ec/0x4ec0
[  297.405452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.409662] Node 0 
[  297.414752]  ? __lock_acquire+0x7ec/0x4ec0
[  297.414762] DMA: 
[  297.416993]  ? should_fail+0x22d/0xd01
[  297.421204] 1*4kB 
[  297.423260]  ? print_usage_bug+0xc0/0xc0
[  297.427115] (U) 0*8kB 
[  297.429277]  ? mark_held_locks+0x130/0x130
[  297.433313] 0*16kB 
[  297.435824]  ? mark_held_locks+0x130/0x130
[  297.440041] 1*32kB 
[  297.442275]  ? graph_lock+0x170/0x170
[  297.446477] (U) 
[  297.448727]  ? print_usage_bug+0xc0/0xc0
[  297.452499] 2*64kB (U) 
[  297.454479]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.458511] 1*128kB 
[  297.461093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.465825] (U) 
[  297.468150]  ? check_preemption_disabled+0x48/0x200
[  297.473649] 1*256kB (U) 
[  297.475628]  ? check_preemption_disabled+0x48/0x200
[  297.480690] 0*512kB 
[  297.483360]  ? __lock_is_held+0xb5/0x140
[  297.488351] 1*1024kB 
[  297.490669]  __alloc_pages_nodemask+0xa80/0xde0
[  297.494791] (U) 
[  297.497200]  ? graph_lock+0x170/0x170
[  297.501843] 1*2048kB (M) 
[  297.503828]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.507608] 3*4096kB 
[  297.510360]  ? graph_lock+0x170/0x170
[  297.515353] (M) 
[  297.517815]  ? find_held_lock+0x36/0x1c0
[  297.521576] = 15908kB
[  297.521584] Node 0 
[  297.523561]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.527586] DMA32: 2*4kB 
[  297.530000]  ? lock_downgrade+0x900/0x900
[  297.532210] (M) 
[  297.536879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.539600] 1*8kB (U) 
[  297.543779]  cache_grow_begin+0x91/0x8c0
[  297.545729] 4*16kB 
[  297.551259]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.553730] (UM) 
[  297.557786]  fallback_alloc+0x203/0x2e0
[  297.559990] 2*32kB (UM) 
[  297.564401]  ____cache_alloc_node+0x1c7/0x1e0
[  297.566432] 3*64kB (UM) 
[  297.570407]  kmem_cache_alloc_node+0xe3/0x730
[  297.573049] 4*128kB (UM) 
[  297.577546]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.580187] 2*256kB (M) 
[  297.584690]  __alloc_skb+0x119/0x770
[  297.587419] 4*512kB 
[  297.591664]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.594308] (UM) 
[  297.598023]  ? skb_scrub_packet+0x490/0x490
[  297.600320] 3*1024kB 
[  297.605592]  ? lock_downgrade+0x900/0x900
[  297.607631] (M) 
[  297.611949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.614327] 1*2048kB (M) 4*4096kB 
[  297.618482]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.620428] (M) 
[  297.625959]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.629473] = 24912kB
[  297.634914]  ? addrconf_rs_timer+0x6f0/0x6f0
[  297.636863] Node 0 
[  297.642312]  ndisc_alloc_skb+0x144/0x340
[  297.644691] Normal: 
[  297.649093]  ndisc_send_rs+0x331/0x6e0
[  297.651304] 2389*4kB 
[  297.655366]  addrconf_rs_timer+0x3c0/0x6f0
[  297.657659] (UME) 
[  297.661540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.663935] 378*8kB 
[  297.668172]  call_timer_fn+0x272/0x920
[  297.670285] (UME) 
[  297.674511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.676819] 73*16kB 
[  297.680699]  ? process_timeout+0x40/0x40
[  297.682827] (UM) 
[  297.687054]  ? find_held_lock+0x36/0x1c0
[  297.689357] 1*32kB 
[  297.693415]  ? __run_timers+0x7da/0xc70
[  297.695448] (U) 
[  297.699503]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.701716] 0*64kB 
[  297.705679]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.707626] 0*128kB 0*256kB 
[  297.712121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.714328] 0*512kB 0*1024kB 0*2048kB 
[  297.718839]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  297.721846] 0*4096kB 
[  297.726245]  ? trace_hardirqs_on+0xbd/0x310
[  297.730105] = 13780kB
[  297.734679]  ? kasan_check_read+0x11/0x20
[  297.737068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.741376]  ? __run_timers+0x7da/0xc70
[  297.743769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.747903]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.756717] 4510 total pagecache pages
[  297.760684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.769243] 0 pages in swap cache
[  297.774681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.778540] Swap cache stats: add 0, delete 0, find 0/0
[  297.778549] Free swap  = 0kB
[  297.782777]  __run_timers+0x7e5/0xc70
[  297.786201] Total swap = 0kB
[  297.790437]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.795765] 1965979 pages RAM
[  297.798777]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.802548] 0 pages HighMem/MovableOnly
[  297.805556]  ? rcu_bh_qs+0xc0/0xc0
[  297.810893] 342744 pages reserved
[  297.813994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.819238] 0 pages cma reserved
[  297.819338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.823216]  ? check_preemption_disabled+0x48/0x200
[  297.823241]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.823260]  ? retint_kernel+0x2d/0x2d
[  297.826854] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.830225]  ? trace_hardirqs_on_caller+0xc0/0x300
[  297.835737] syz-fuzzer cpuset=
[  297.839098]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.845566] /
[  297.850576]  ? trace_hardirqs_off_caller+0x300/0x300
[  297.855306]  mems_allowed=0
[  297.859189]  ? check_preemption_disabled+0x48/0x200
[  297.896917]  ? graph_lock+0x170/0x170
[  297.900730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.906273]  ? check_preemption_disabled+0x48/0x200
[  297.911317]  ? __lock_is_held+0xb5/0x140
[  297.915385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.920929]  ? check_preemption_disabled+0x48/0x200
[  297.925953]  run_timer_softirq+0x52/0xb0
[  297.930017]  ? rcu_read_lock_sched_held+0x108/0x120
[  297.935041]  __do_softirq+0x30b/0xad8
[  297.938860]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.943971]  ? pvclock_read_flags+0x160/0x160
[  297.948469]  ? lapic_next_event+0x5a/0x90
[  297.952618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.958158]  ? check_preemption_disabled+0x48/0x200
[  297.963174]  ? check_preemption_disabled+0x48/0x200
[  297.968196]  ? kvm_clock_read+0x18/0x30
[  297.972174]  ? kvm_sched_clock_read+0x9/0x20
[  297.976586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.982125]  ? check_preemption_disabled+0x48/0x200
[  297.987155]  irq_exit+0x17f/0x1c0
[  297.990612]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.995457]  ? smp_reschedule_interrupt+0x109/0x650
[  298.000478]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.006363]  ? interrupt_entry+0xb5/0xf0
[  298.010427]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.015444]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.020460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.025304]  ? trace_hardirqs_off+0x300/0x300
[  298.029814]  ? trace_hardirqs_off+0x300/0x300
[  298.034312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.039861]  ? check_preemption_disabled+0x48/0x200
[  298.044877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.050421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.055274]  apic_timer_interrupt+0xf/0x20
[  298.059501]  </IRQ>
[  298.061746] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.066676] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  298.085573] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  298.093282] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  298.100549] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  298.107826] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  298.115091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  298.122358] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  298.129667]  skb_clone+0x1bb/0x500
[  298.133219]  ? finish_task_switch+0x2f5/0x900
[  298.137718]  ? skb_split+0x11e0/0x11e0
[  298.141614]  ? preempt_notifier_register+0x200/0x200
[  298.146732]  ? __switch_to_asm+0x34/0x70
[  298.150796]  ? __switch_to_asm+0x34/0x70
[  298.154867]  ? __switch_to_asm+0x40/0x70
[  298.158925]  ? __switch_to_asm+0x34/0x70
[  298.162984]  ? __switch_to_asm+0x40/0x70
[  298.167043]  ? __switch_to_asm+0x34/0x70
[  298.171099]  ? __switch_to_asm+0x40/0x70
[  298.175156]  ? __switch_to_asm+0x34/0x70
[  298.179221]  ? __switch_to_asm+0x34/0x70
[  298.183279]  ? __switch_to_asm+0x40/0x70
[  298.187346]  ? __switch_to_asm+0x34/0x70
[  298.191436]  bpf_clone_redirect+0xb9/0x490
[  298.195677]  ? __schedule+0x874/0x1ed0
[  298.199569]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  298.204591]  ? __sched_text_start+0x8/0x8
[  298.208744]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.213512]  ? find_held_lock+0x36/0x1c0
[  298.217580]  ? lock_acquire+0x1ed/0x520
[  298.221558]  ? bpf_test_run+0x32e/0x5a0
[  298.225534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.231074]  ? check_preemption_disabled+0x48/0x200
[  298.236098]  ? kasan_check_read+0x11/0x20
[  298.240250]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.245531]  ? rcu_bh_qs+0xc0/0xc0
[  298.249076]  ? preempt_schedule+0x4d/0x60
[  298.253228]  ? ___preempt_schedule+0x16/0x18
[  298.257662]  ? bpf_test_run+0x1c0/0x5a0
[  298.261647]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.266062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.271601]  ? bpf_test_init.isra.9+0x70/0x100
[  298.276191]  ? bpf_prog_test_run_skb+0x634/0xb40
[  298.280958]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.285801]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.291351]  ? fput+0x130/0x1a0
[  298.294637]  ? __bpf_prog_get+0x9b/0x290
[  298.298712]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.303551]  ? bpf_prog_test_run+0x130/0x1a0
[  298.307964]  ? __x64_sys_bpf+0x3d8/0x510
[  298.312024]  ? bpf_prog_get+0x20/0x20
[  298.315845]  ? ksys_ioctl+0x81/0xd0
[  298.319487]  ? do_syscall_64+0x1b9/0x820
[  298.323554]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.328919]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.333856]  ? trace_hardirqs_off+0x300/0x300
[  298.338358]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.343376]  ? recalc_sigpending_tsk+0x180/0x180
[  298.348134]  ? kasan_check_write+0x14/0x20
[  298.352379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.357235]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  298.362621] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  298.362693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.369547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.369556] Call Trace:
[  298.376134] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.385381]  <IRQ>
[  298.387951] syz-executor2 cpuset=
[  298.398430]  dump_stack+0x1c4/0x2b4
[  298.400554] syz2
[  298.403997]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.407600]  mems_allowed=0
[  298.409576]  warn_alloc.cold.118+0xb7/0x1bd
[  298.421963]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.426821]  ? lock_downgrade+0x900/0x900
[  298.430985]  ? trace_hardirqs_off+0xb8/0x300
[  298.435400]  ? trace_hardirqs_off+0xb8/0x300
[  298.439826]  __alloc_pages_slowpath+0x2667/0x2d80
[  298.444705]  ? warn_alloc+0x120/0x120
[  298.448514]  ? warn_alloc+0x120/0x120
[  298.452316]  ? print_usage_bug+0xc0/0xc0
[  298.456381]  ? warn_alloc+0x120/0x120
[  298.460186]  ? print_usage_bug+0xc0/0xc0
[  298.464251]  ? __lock_acquire+0x7ec/0x4ec0
[  298.468483]  ? __lock_acquire+0x7ec/0x4ec0
[  298.472718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.478277]  ? should_fail+0x22d/0xd01
[  298.482172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.487277]  ? __lock_acquire+0x7ec/0x4ec0
[  298.491520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.496624]  ? __lock_acquire+0x7ec/0x4ec0
[  298.500866]  ? should_fail+0x22d/0xd01
[  298.504764]  ? mark_held_locks+0x130/0x130
[  298.509002]  ? mark_held_locks+0x130/0x130
[  298.513237]  ? graph_lock+0x170/0x170
[  298.517036]  ? graph_lock+0x170/0x170
[  298.520855]  ? graph_lock+0x170/0x170
[  298.524658]  ? print_usage_bug+0xc0/0xc0
[  298.528723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.534266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.539818]  ? check_preemption_disabled+0x48/0x200
[  298.544928]  ? check_preemption_disabled+0x48/0x200
[  298.549956]  ? __lock_is_held+0xb5/0x140
[  298.554024]  __alloc_pages_nodemask+0xa80/0xde0
[  298.558695]  ? graph_lock+0x170/0x170
[  298.562503]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.567518]  ? graph_lock+0x170/0x170
[  298.571331]  ? find_held_lock+0x36/0x1c0
[  298.575402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.580075]  ? lock_downgrade+0x900/0x900
[  298.584230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.589777]  cache_grow_begin+0x91/0x8c0
[  298.593854]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.598271]  fallback_alloc+0x203/0x2e0
[  298.602251]  ____cache_alloc_node+0x1c7/0x1e0
[  298.606754]  kmem_cache_alloc_node+0xe3/0x730
[  298.611253]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.615496]  __alloc_skb+0x119/0x770
[  298.619210]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.624492]  ? skb_scrub_packet+0x490/0x490
[  298.628823]  ? lock_downgrade+0x900/0x900
[  298.632990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.638527]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.643980]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.649430]  ? addrconf_rs_timer+0x6f0/0x6f0
[  298.653865]  ndisc_alloc_skb+0x144/0x340
[  298.657932]  ndisc_send_rs+0x331/0x6e0
[  298.661837]  addrconf_rs_timer+0x3c0/0x6f0
[  298.666083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.670330]  call_timer_fn+0x272/0x920
[  298.674220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.678459]  ? process_timeout+0x40/0x40
[  298.682521]  ? find_held_lock+0x36/0x1c0
[  298.686593]  ? mark_held_locks+0xc7/0x130
[  298.690745]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.695242]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.699738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.703976]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  298.708560]  ? trace_hardirqs_on+0xbd/0x310
[  298.712885]  ? kasan_check_read+0x11/0x20
[  298.717032]  ? __run_timers+0x7da/0xc70
[  298.721009]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.726467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.730707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.734943]  __run_timers+0x7e5/0xc70
[  298.738757]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.744121]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.749140]  ? graph_lock+0x170/0x170
[  298.752947]  ? print_usage_bug+0xc0/0xc0
[  298.757006]  ? lock_release+0x970/0x970
[  298.760980]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.766174]  ? find_held_lock+0x36/0x1c0
[  298.770243]  ? graph_lock+0x170/0x170
[  298.774049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.779592]  ? check_preemption_disabled+0x48/0x200
[  298.784622]  ? __lock_is_held+0xb5/0x140
[  298.788687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.794224]  ? check_preemption_disabled+0x48/0x200
[  298.799252]  run_timer_softirq+0x52/0xb0
[  298.803352]  ? rcu_read_lock_sched_held+0x108/0x120
[  298.808376]  __do_softirq+0x30b/0xad8
[  298.812190]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.817303]  ? pvclock_read_flags+0x160/0x160
[  298.821802]  ? lapic_next_event+0x5a/0x90
[  298.825963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.831502]  ? check_preemption_disabled+0x48/0x200
[  298.836521]  ? check_preemption_disabled+0x48/0x200
[  298.841548]  ? kvm_clock_read+0x18/0x30
[  298.845524]  ? kvm_sched_clock_read+0x9/0x20
[  298.849934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.855475]  ? check_preemption_disabled+0x48/0x200
[  298.860503]  irq_exit+0x17f/0x1c0
[  298.863962]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.868814]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.874706]  ? interrupt_entry+0xb5/0xf0
[  298.878770]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.883787]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.888820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.893672]  ? trace_hardirqs_off+0x300/0x300
[  298.898168]  ? trace_hardirqs_off+0x300/0x300
[  298.902668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.908224]  ? check_preemption_disabled+0x48/0x200
[  298.913248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.918795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.923657]  apic_timer_interrupt+0xf/0x20
[  298.927884]  </IRQ>
[  298.930122] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  298.935399] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  298.954303] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  298.962018] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  298.969288] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  298.976563] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  298.983843] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  298.991110] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  298.998404]  ? arch_local_irq_restore+0x45/0x52
[  299.003077]  dump_stack+0x26a/0x2b4
[  299.006708]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.011931]  ? mark_held_locks+0x130/0x130
[  299.016169]  ? mark_held_locks+0x130/0x130
[  299.020760]  dump_header+0x27b/0xf72
[  299.024486]  ? pagefault_out_of_memory+0x197/0x197
[  299.029421]  ? mark_held_locks+0x130/0x130
[  299.033660]  ? __lock_acquire+0x7ec/0x4ec0
[  299.037900]  ? mem_cgroup_charge_statistics+0x780/0x780
[  299.043261]  ? print_usage_bug+0xc0/0xc0
[  299.047326]  ? print_usage_bug+0xc0/0xc0
[  299.051393]  ? graph_lock+0x170/0x170
[  299.055189]  ? graph_lock+0x170/0x170
[  299.058988]  ? print_usage_bug+0xc0/0xc0
[  299.063046]  ? print_usage_bug+0xc0/0xc0
[  299.067115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.072659]  ? find_held_lock+0x36/0x1c0
[  299.077185]  ? mark_held_locks+0xc7/0x130
[  299.081336]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.086438]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.091540]  ? lockdep_hardirqs_on+0x421/0x5c0
[  299.096122]  ? trace_hardirqs_on+0xbd/0x310
[  299.100453]  ? kasan_check_read+0x11/0x20
[  299.104604]  ? ___ratelimit+0x36f/0x655
[  299.108580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.114030]  ? trace_hardirqs_on+0x310/0x310
[  299.118440]  ? lock_downgrade+0x900/0x900
[  299.122592]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.127699]  ? ___ratelimit+0xaa/0x655
[  299.131592]  ? idr_get_free+0xec0/0xec0
[  299.135587]  ? kasan_check_write+0x14/0x20
[  299.139852]  ? do_raw_spin_lock+0xc1/0x200
[  299.144096]  oom_kill_process.cold.27+0x10/0x903
[  299.148856]  ? graph_lock+0x170/0x170
[  299.152657]  ? _raw_spin_unlock+0x2c/0x50
[  299.156815]  ? oom_badness+0xe6/0xaa0
[  299.160632]  ? oom_evaluate_task+0x540/0x540
[  299.165045]  ? find_held_lock+0x36/0x1c0
[  299.169114]  ? out_of_memory+0x974/0x14c0
[  299.173270]  ? lock_downgrade+0x900/0x900
[  299.177447]  ? check_preemption_disabled+0x48/0x200
[  299.182481]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.188277]  ? kasan_check_read+0x11/0x20
[  299.192426]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.197707]  ? rcu_bh_qs+0xc0/0xc0
[  299.201255]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.206487]  ? oom_evaluate_task+0x302/0x540
[  299.210907]  out_of_memory+0xa86/0x14c0
[  299.214893]  ? oom_killer_disable+0x3a0/0x3a0
[  299.219406]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  299.224342]  ? __mutex_add_waiter+0x2a0/0x2a0
[  299.228880]  __alloc_pages_slowpath+0x2318/0x2d80
[  299.233752]  ? warn_alloc+0x120/0x120
[  299.237566]  ? find_get_entry+0x2f2/0xc40
[  299.241724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.247265]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  299.252220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.257760]  ? should_fail+0x22d/0xd01
[  299.261654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.266756]  ? __lock_is_held+0xb5/0x140
[  299.270858]  ? __lock_is_held+0xb5/0x140
[  299.274928]  ? find_held_lock+0x36/0x1c0
[  299.278994]  ? ___might_sleep+0x1ed/0x300
[  299.283157]  ? lock_release+0x970/0x970
[  299.287153]  ? arch_local_save_flags+0x40/0x40
[  299.291750]  ? __might_sleep+0x95/0x190
[  299.295738]  __alloc_pages_nodemask+0xa80/0xde0
[  299.300502]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.305521]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.311318]  ? kasan_check_read+0x11/0x20
[  299.315477]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.320756]  ? graph_lock+0x170/0x170
[  299.324559]  ? print_usage_bug+0xc0/0xc0
[  299.328710]  ? graph_lock+0x170/0x170
[  299.332511]  ? graph_lock+0x170/0x170
[  299.336312]  ? __do_page_cache_readahead+0x7ce/0x980
[  299.341422]  ? find_held_lock+0x36/0x1c0
[  299.345489]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  299.351035]  alloc_pages_current+0x10c/0x210
[  299.355445]  ? lock_downgrade+0x900/0x900
[  299.359599]  __page_cache_alloc+0x38f/0x5b0
[  299.363928]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.369726]  ? kasan_check_read+0x11/0x20
[  299.373877]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.379159]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  299.383844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.389387]  ? check_preemption_disabled+0x48/0x200
[  299.394415]  filemap_fault+0x1594/0x25f0
[  299.398491]  ? __lock_page_or_retry+0xa00/0xa00
[  299.403159]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.408955]  ? kasan_check_read+0x11/0x20
[  299.413103]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.418380]  ? rcu_bh_qs+0xc0/0xc0
[  299.421935]  ? filemap_map_pages+0xdea/0x1980
[  299.426440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.431549]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  299.436828]  ? debug_object_free+0x325/0x690
[  299.441252]  ? find_get_pages_range_tag+0x1320/0x1320
[  299.446449]  ? graph_lock+0x170/0x170
[  299.450257]  ? kasan_check_read+0x11/0x20
[  299.454409]  ? debug_object_destroy+0x2b0/0x2b0
[  299.459089]  ? lock_acquire+0x1ed/0x520
[  299.463063]  ? ext4_filemap_fault+0x7a/0xad
[  299.467393]  ? lock_release+0x970/0x970
[  299.471368]  ? arch_local_save_flags+0x40/0x40
[  299.475957]  ? futex_wait_setup+0x3e0/0x3e0
[  299.480295]  ? down_read+0xb0/0x1d0
[  299.483920]  ? ext4_filemap_fault+0x7a/0xad
[  299.488244]  ? __down_interruptible+0x700/0x700
[  299.492934]  ext4_filemap_fault+0x82/0xad
[  299.497089]  __do_fault+0x100/0x6b0
[  299.500725]  ? print_bad_pte+0x6c0/0x6c0
[  299.504789]  ? do_futex+0x249/0x26d0
[  299.508514]  ? pmd_val+0x88/0x100
[  299.511967]  ? add_mm_counter_fast+0xd0/0xd0
[  299.516376]  ? pmd_val+0x88/0x100
[  299.519856]  ? add_mm_counter_fast+0xd0/0xd0
[  299.524270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.529823]  __handle_mm_fault+0x3709/0x53e0
[  299.534268]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  299.539112]  ? graph_lock+0x170/0x170
[  299.542914]  ? print_usage_bug+0xc0/0xc0
[  299.546978]  ? graph_lock+0x170/0x170
[  299.550780]  ? graph_lock+0x170/0x170
[  299.554608]  ? handle_mm_fault+0x42a/0xc70
[  299.558849]  ? lock_downgrade+0x900/0x900
[  299.563004]  ? check_preemption_disabled+0x48/0x200
[  299.568031]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.573840]  ? kasan_check_read+0x11/0x20
[  299.577992]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.583271]  ? rcu_bh_qs+0xc0/0xc0
[  299.586817]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.592278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.597823]  ? check_preemption_disabled+0x48/0x200
[  299.602867]  handle_mm_fault+0x54f/0xc70
[  299.606930]  ? __handle_mm_fault+0x53e0/0x53e0
[  299.611540]  ? find_vma+0x34/0x190
[  299.615091]  __do_page_fault+0x67d/0xed0
[  299.619160]  ? mm_fault_error+0x380/0x380
[  299.623305]  ? trace_hardirqs_off+0xb8/0x300
[  299.627709]  ? trace_hardirqs_on+0x310/0x310
[  299.632118]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  299.637481]  ? trace_hardirqs_on+0x310/0x310
[  299.641894]  do_page_fault+0xf2/0x7e0
[  299.645694]  ? vmalloc_sync_all+0x30/0x30
[  299.649853]  ? error_entry+0x70/0xd0
[  299.653567]  ? trace_hardirqs_off_caller+0xbb/0x300
[  299.658607]  ? trace_hardirqs_on_caller+0xc0/0x300
[  299.663551]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.668497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.673395]  ? trace_hardirqs_off+0x300/0x300
[  299.677895]  ? trace_hardirqs_off_caller+0x300/0x300
[  299.683001]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.688018]  ? page_fault+0x8/0x30
[  299.691564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.696412]  ? page_fault+0x8/0x30
[  299.699953]  page_fault+0x1e/0x30
[  299.703402] RIP: 0033:0x40f9c0
[  299.706597] Code: Bad RIP value.
[  299.709956] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  299.715332] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  299.722613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  299.729880] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  299.737151] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  299.744423] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  299.751742] warn_alloc_show_mem: 1 callbacks suppressed
[  299.751754] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  299.751756] Mem-Info:
[  299.751787] active_anon:52539 inactive_anon:923 isolated_anon:0
[  299.751787]  active_file:16 inactive_file:19 isolated_file:0
[  299.751787]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.751787]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  299.751787]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  299.751787]  free:13650 free_pcp:205 free_cma:0
[  299.757117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.757125] Call Trace:
[  299.764422] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.766827]  <IRQ>
[  299.799783] Node 0 
[  299.809142]  dump_stack+0x1c4/0x2b4
[  299.811722] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  299.839448]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.841571] lowmem_reserve[]:
[  299.843819]  warn_alloc.cold.118+0xb7/0x1bd
[  299.847409]  0
[  299.872922]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.878089]  2817
[  299.881189]  ? lock_downgrade+0x900/0x900
[  299.885499]  6321
[  299.887302]  ? trace_hardirqs_off+0xb8/0x300
[  299.892131]  6321
[  299.894192]  ? trace_hardirqs_off+0xb8/0x300
[  299.900381]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.904764] Node 0 
[  299.906849]  ? warn_alloc+0x120/0x120
[  299.911241] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.916052]  ? trace_hardirqs_on+0x310/0x310
[  299.918262] lowmem_reserve[]:
[  299.922054]  ? warn_alloc+0x120/0x120
[  299.949006]  0
[  299.953407]  ? print_usage_bug+0xc0/0xc0
[  299.956487]  0
[  299.960281]  ? warn_alloc+0x120/0x120
[  299.962054]  3503 3503
[  299.966121]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  299.971721]  ? print_usage_bug+0xc0/0xc0
[  299.974196] Node 0 
[  299.979203]  ? __lock_acquire+0x7ec/0x4ec0
[  299.983262] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  299.985467]  ? __lock_acquire+0x7ec/0x4ec0
[  299.989682] lowmem_reserve[]: 0
[  300.018057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.022261]  0
[  300.025536]  ? should_fail+0x22d/0xd01
[  300.031049]  0
[  300.032853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.036714]  0
[  300.038511]  ? __lock_acquire+0x7ec/0x4ec0
[  300.045383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.049613] Node 0 
[  300.054713]  ? __lock_acquire+0x7ec/0x4ec0
[  300.054723] DMA: 
[  300.056951]  ? should_fail+0x22d/0xd01
[  300.061163] 1*4kB 
[  300.063216]  ? print_usage_bug+0xc0/0xc0
[  300.067082] (U) 
[  300.069241]  ? mark_held_locks+0x130/0x130
[  300.073275] 0*8kB 
[  300.075247]  ? mark_held_locks+0x130/0x130
[  300.079457] 0*16kB 
[  300.081602]  ? graph_lock+0x170/0x170
[  300.085805] 1*32kB 
[  300.088038]  ? print_usage_bug+0xc0/0xc0
[  300.091819] (U) 
[  300.094053]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.098084] 2*64kB (U) 
[  300.100066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.104800] 1*128kB (U) 
[  300.107415]  ? check_preemption_disabled+0x48/0x200
[  300.112923] 1*256kB 
[  300.115590]  ? check_preemption_disabled+0x48/0x200
[  300.120591] (U) 
[  300.122916]  ? __lock_is_held+0xb5/0x140
[  300.127901] 0*512kB 1*1024kB 
[  300.129881]  __alloc_pages_nodemask+0xa80/0xde0
[  300.133910] (U) 
[  300.137006]  ? graph_lock+0x170/0x170
[  300.141647] 1*2048kB (M) 
[  300.143627]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.147405] 3*4096kB 
[  300.150161]  ? graph_lock+0x170/0x170
[  300.155168] (M) 
[  300.157594]  ? find_held_lock+0x36/0x1c0
[  300.161362] = 15908kB
[  300.163341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.167379] Node 0 
[  300.169779]  ? lock_downgrade+0x900/0x900
[  300.174426] DMA32: 
[  300.176674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.180804] 2*4kB 
[  300.183070]  cache_grow_begin+0x91/0x8c0
[  300.188592] (M) 
[  300.190736]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.194780] 1*8kB (U) 
[  300.196769]  fallback_alloc+0x203/0x2e0
[  300.201148] 4*16kB 
[  300.203652]  ____cache_alloc_node+0x1c7/0x1e0
[  300.207592] (UM) 2*32kB 
[  300.209842]  kmem_cache_alloc_node+0xe3/0x730
[  300.214315] (UM) 
[  300.216988]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.221457] 3*64kB 
[  300.223521]  __alloc_skb+0x119/0x770
[  300.227725] (UM) 
[  300.229957]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.233640] 4*128kB 
[  300.235697]  ? skb_scrub_packet+0x490/0x490
[  300.240947] (UM) 
[  300.243263]  ? lock_downgrade+0x900/0x900
[  300.247560] 2*256kB 
[  300.249632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.253761] (M) 
[  300.256113]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.261642] 4*512kB (UM) 
[  300.263621]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.269047] 3*1024kB 
[  300.271854]  ? addrconf_rs_timer+0x6f0/0x6f0
[  300.277309] (M) 
[  300.279727]  ndisc_alloc_skb+0x144/0x340
[  300.284104] 1*2048kB 
[  300.286087]  ndisc_send_rs+0x331/0x6e0
[  300.290118] (M) 
[  300.292535]  addrconf_rs_timer+0x3c0/0x6f0
[  300.296392] 4*4096kB 
[  300.298367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.302663] (M) 
[  300.305090]  call_timer_fn+0x272/0x920
[  300.309304] = 24912kB
[  300.311274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.315138] Node 0 
[  300.317540]  ? process_timeout+0x40/0x40
[  300.321748] Normal: 
[  300.323975]  ? find_held_lock+0x36/0x1c0
[  300.328012] 2389*4kB 
[  300.330339]  ? __run_timers+0x7da/0xc70
[  300.334363] (UME) 
[  300.336786]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.340731] 378*8kB 
[  300.342888]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.347354] (UME) 
[  300.349687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.354160] 73*16kB 
[  300.356303]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  300.360511] (UM) 
[  300.362834]  ? trace_hardirqs_on+0xbd/0x310
[  300.367391] 1*32kB (U) 
[  300.369458]  ? kasan_check_read+0x11/0x20
[  300.373750] 0*64kB 
[  300.376325]  ? __run_timers+0x7da/0xc70
[  300.380448] 0*128kB 
[  300.382678]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.386624] 0*256kB 
[  300.388968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.394391] 0*512kB 
[  300.396709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.400916] 0*1024kB 
[  300.403236]  __run_timers+0x7e5/0xc70
[  300.407437] 0*2048kB 0*4096kB 
[  300.409875]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.413643] = 13780kB
[  300.416837]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.422182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.424596]  ? rcu_bh_qs+0xc0/0xc0
[  300.429857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.438684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.442202] 4510 total pagecache pages
[  300.450773]  ? check_preemption_disabled+0x48/0x200
[  300.456290] 0 pages in swap cache
[  300.460169]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.465158] Swap cache stats: add 0, delete 0, find 0/0
[  300.468617]  ? retint_kernel+0x2d/0x2d
[  300.473363] Free swap  = 0kB
[  300.478720]  ? trace_hardirqs_on_caller+0xc0/0x300
[  300.482598] Total swap = 0kB
[  300.485615]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.490535] 1965979 pages RAM
[  300.493559]  ? trace_hardirqs_off_caller+0x300/0x300
[  300.498283] 0 pages HighMem/MovableOnly
[  300.498292] 342744 pages reserved
[  300.501395]  ? check_preemption_disabled+0x48/0x200
[  300.506559] 0 pages cma reserved
[  300.510537]  ? graph_lock+0x170/0x170
[  300.514047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.519006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.522435] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.526140]  ? check_preemption_disabled+0x48/0x200
[  300.532609] syz-fuzzer cpuset=
[  300.538145]  ? __lock_is_held+0xb5/0x140
[  300.548342] /
[  300.553356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.556528]  mems_allowed=0
[  300.560579]  ? check_preemption_disabled+0x48/0x200
[  300.575758]  run_timer_softirq+0x52/0xb0
[  300.579842]  ? rcu_read_lock_sched_held+0x108/0x120
[  300.584887]  __do_softirq+0x30b/0xad8
[  300.588731]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.593856]  ? pvclock_read_flags+0x160/0x160
[  300.598368]  ? lapic_next_event+0x5a/0x90
[  300.602517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.608054]  ? check_preemption_disabled+0x48/0x200
[  300.613070]  ? check_preemption_disabled+0x48/0x200
[  300.618097]  ? kvm_clock_read+0x18/0x30
[  300.622072]  ? kvm_sched_clock_read+0x9/0x20
[  300.626484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.632025]  ? check_preemption_disabled+0x48/0x200
[  300.637057]  irq_exit+0x17f/0x1c0
[  300.640539]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.645398]  ? smp_reschedule_interrupt+0x109/0x650
[  300.650414]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.656318]  ? interrupt_entry+0xb5/0xf0
[  300.660386]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.665405]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.670420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.675279]  ? trace_hardirqs_off+0x300/0x300
[  300.679773]  ? trace_hardirqs_off+0x300/0x300
[  300.684273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.689833]  ? check_preemption_disabled+0x48/0x200
[  300.694856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.700400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.705262]  apic_timer_interrupt+0xf/0x20
[  300.709497]  </IRQ>
[  300.711771] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.716704] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  300.735617] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  300.743324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.750624] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  300.757908] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  300.765175] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.772441] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  300.779751]  skb_clone+0x1bb/0x500
[  300.783292]  ? finish_task_switch+0x2f5/0x900
[  300.787786]  ? skb_split+0x11e0/0x11e0
[  300.791682]  ? preempt_notifier_register+0x200/0x200
[  300.796783]  ? __switch_to_asm+0x34/0x70
[  300.800853]  ? __switch_to_asm+0x34/0x70
[  300.804911]  ? __switch_to_asm+0x40/0x70
[  300.808968]  ? __switch_to_asm+0x34/0x70
[  300.813030]  ? __switch_to_asm+0x40/0x70
[  300.817093]  ? __switch_to_asm+0x34/0x70
[  300.821150]  ? __switch_to_asm+0x40/0x70
[  300.825209]  ? __switch_to_asm+0x34/0x70
[  300.829271]  ? __switch_to_asm+0x34/0x70
[  300.833338]  ? __switch_to_asm+0x40/0x70
[  300.837401]  ? __switch_to_asm+0x34/0x70
[  300.841491]  bpf_clone_redirect+0xb9/0x490
[  300.845731]  ? __schedule+0x874/0x1ed0
[  300.849624]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  300.854659]  ? __sched_text_start+0x8/0x8
[  300.858804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.863600]  ? find_held_lock+0x36/0x1c0
[  300.867681]  ? lock_acquire+0x1ed/0x520
[  300.871668]  ? bpf_test_run+0x32e/0x5a0
[  300.875647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.881201]  ? check_preemption_disabled+0x48/0x200
[  300.886271]  ? kasan_check_read+0x11/0x20
[  300.890421]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.895697]  ? rcu_bh_qs+0xc0/0xc0
[  300.899244]  ? preempt_schedule+0x4d/0x60
[  300.903410]  ? ___preempt_schedule+0x16/0x18
[  300.907863]  ? bpf_test_run+0x1c0/0x5a0
[  300.911867]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.916292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.921834]  ? bpf_test_init.isra.9+0x70/0x100
[  300.926421]  ? bpf_prog_test_run_skb+0x634/0xb40
[  300.931185]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.936030]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.941569]  ? fput+0x130/0x1a0
[  300.944853]  ? __bpf_prog_get+0x9b/0x290
[  300.948922]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.953761]  ? bpf_prog_test_run+0x130/0x1a0
[  300.958173]  ? __x64_sys_bpf+0x3d8/0x510
[  300.962239]  ? bpf_prog_get+0x20/0x20
[  300.966065]  ? ksys_ioctl+0x81/0xd0
[  300.969701]  ? do_syscall_64+0x1b9/0x820
[  300.973765]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.979134]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.984067]  ? trace_hardirqs_off+0x300/0x300
[  300.988566]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.993580]  ? recalc_sigpending_tsk+0x180/0x180
[  300.998352]  ? kasan_check_write+0x14/0x20
[  301.002592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.007447]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.012939] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  301.013008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.019864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.019873] Call Trace:
[  301.026446] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.035694]  <IRQ>
[  301.038265] syz-executor2 cpuset=
[  301.048738]  dump_stack+0x1c4/0x2b4
[  301.050871] syz2
[  301.054317]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.057926]  mems_allowed=0
[  301.059917]  warn_alloc.cold.118+0xb7/0x1bd
[  301.072321]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.077592]  ? lock_downgrade+0x900/0x900
[  301.081753]  ? trace_hardirqs_off+0xb8/0x300
[  301.086171]  ? trace_hardirqs_off+0xb8/0x300
[  301.090607]  __alloc_pages_slowpath+0x2667/0x2d80
[  301.095483]  ? warn_alloc+0x120/0x120
[  301.099291]  ? trace_hardirqs_on+0x310/0x310
[  301.103712]  ? warn_alloc+0x120/0x120
[  301.107539]  ? print_usage_bug+0xc0/0xc0
[  301.111634]  ? warn_alloc+0x120/0x120
[  301.115429]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  301.120444]  ? print_usage_bug+0xc0/0xc0
[  301.124509]  ? __lock_acquire+0x7ec/0x4ec0
[  301.128746]  ? __lock_acquire+0x7ec/0x4ec0
[  301.132985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.138540]  ? should_fail+0x22d/0xd01
[  301.142436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.147537]  ? __lock_acquire+0x7ec/0x4ec0
[  301.151789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.156896]  ? __lock_acquire+0x7ec/0x4ec0
[  301.161131]  ? should_fail+0x22d/0xd01
[  301.165022]  ? print_usage_bug+0xc0/0xc0
[  301.169109]  ? mark_held_locks+0x130/0x130
[  301.173346]  ? mark_held_locks+0x130/0x130
[  301.177615]  ? graph_lock+0x170/0x170
[  301.181426]  ? print_usage_bug+0xc0/0xc0
[  301.185516]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.190274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.195820]  ? check_preemption_disabled+0x48/0x200
[  301.200866]  ? check_preemption_disabled+0x48/0x200
[  301.206113]  ? __lock_is_held+0xb5/0x140
[  301.210180]  __alloc_pages_nodemask+0xa80/0xde0
[  301.214855]  ? graph_lock+0x170/0x170
[  301.218663]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.223679]  ? graph_lock+0x170/0x170
[  301.227493]  ? find_held_lock+0x36/0x1c0
[  301.231562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.236241]  ? lock_downgrade+0x900/0x900
[  301.240397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.245947]  cache_grow_begin+0x91/0x8c0
[  301.250009]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.254427]  fallback_alloc+0x203/0x2e0
[  301.258424]  ____cache_alloc_node+0x1c7/0x1e0
[  301.262925]  kmem_cache_alloc_node+0xe3/0x730
[  301.267420]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.271664]  __alloc_skb+0x119/0x770
[  301.275379]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.280674]  ? skb_scrub_packet+0x490/0x490
[  301.285041]  ? lock_downgrade+0x900/0x900
[  301.289195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.294736]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.300204]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.305651]  ? addrconf_rs_timer+0x6f0/0x6f0
[  301.310075]  ndisc_alloc_skb+0x144/0x340
[  301.314178]  ndisc_send_rs+0x331/0x6e0
[  301.318089]  addrconf_rs_timer+0x3c0/0x6f0
[  301.322328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.326574]  call_timer_fn+0x272/0x920
[  301.330465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.334703]  ? process_timeout+0x40/0x40
[  301.338758]  ? find_held_lock+0x36/0x1c0
[  301.342835]  ? mark_held_locks+0xc7/0x130
[  301.346987]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.351483]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.355974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.360210]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  301.364795]  ? trace_hardirqs_on+0xbd/0x310
[  301.369131]  ? kasan_check_read+0x11/0x20
[  301.373305]  ? __run_timers+0x7da/0xc70
[  301.377322]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.382779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.387033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.391266]  __run_timers+0x7e5/0xc70
[  301.395082]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.400456]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.405473]  ? graph_lock+0x170/0x170
[  301.409279]  ? print_usage_bug+0xc0/0xc0
[  301.413337]  ? lock_release+0x970/0x970
[  301.417315]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.422524]  ? find_held_lock+0x36/0x1c0
[  301.426594]  ? graph_lock+0x170/0x170
[  301.430401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.435947]  ? check_preemption_disabled+0x48/0x200
[  301.440979]  ? __lock_is_held+0xb5/0x140
[  301.445042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.450583]  ? check_preemption_disabled+0x48/0x200
[  301.455636]  run_timer_softirq+0x52/0xb0
[  301.459697]  ? rcu_read_lock_sched_held+0x108/0x120
[  301.464714]  __do_softirq+0x30b/0xad8
[  301.468530]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  301.473673]  ? pvclock_read_flags+0x160/0x160
[  301.478167]  ? lapic_next_event+0x5a/0x90
[  301.482312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.487856]  ? check_preemption_disabled+0x48/0x200
[  301.492876]  ? check_preemption_disabled+0x48/0x200
[  301.497902]  ? kvm_clock_read+0x18/0x30
[  301.501878]  ? kvm_sched_clock_read+0x9/0x20
[  301.506288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.511843]  ? check_preemption_disabled+0x48/0x200
[  301.516893]  irq_exit+0x17f/0x1c0
[  301.520353]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.525198]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.531086]  ? interrupt_entry+0xb5/0xf0
[  301.535153]  ? trace_hardirqs_off_caller+0xbb/0x300
[  301.540166]  ? trace_hardirqs_off_caller+0xbb/0x300
[  301.545188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.550035]  ? trace_hardirqs_off+0x300/0x300
[  301.554531]  ? trace_hardirqs_off+0x300/0x300
[  301.559027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.564566]  ? check_preemption_disabled+0x48/0x200
[  301.569617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.575161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.580015]  apic_timer_interrupt+0xf/0x20
[  301.584242]  </IRQ>
[  301.586480] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  301.591757] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  301.610657] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  301.618374] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  301.625677] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  301.632957] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  301.640221] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  301.647503] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  301.654791]  ? arch_local_irq_restore+0x45/0x52
[  301.659493]  dump_stack+0x26a/0x2b4
[  301.663122]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.668317]  ? mark_held_locks+0x130/0x130
[  301.672556]  ? mark_held_locks+0x130/0x130
[  301.676798]  dump_header+0x27b/0xf72
[  301.680541]  ? pagefault_out_of_memory+0x197/0x197
[  301.685475]  ? mark_held_locks+0x130/0x130
[  301.689711]  ? __lock_acquire+0x7ec/0x4ec0
[  301.693958]  ? mem_cgroup_charge_statistics+0x780/0x780
[  301.699343]  ? print_usage_bug+0xc0/0xc0
[  301.703418]  ? print_usage_bug+0xc0/0xc0
[  301.707489]  ? graph_lock+0x170/0x170
[  301.711286]  ? graph_lock+0x170/0x170
[  301.715118]  ? print_usage_bug+0xc0/0xc0
[  301.719179]  ? print_usage_bug+0xc0/0xc0
[  301.723252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.728795]  ? find_held_lock+0x36/0x1c0
[  301.732878]  ? mark_held_locks+0xc7/0x130
[  301.737029]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.742168]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.747289]  ? lockdep_hardirqs_on+0x421/0x5c0
[  301.751904]  ? trace_hardirqs_on+0xbd/0x310
[  301.756229]  ? kasan_check_read+0x11/0x20
[  301.760379]  ? ___ratelimit+0x36f/0x655
[  301.764357]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.769850]  ? trace_hardirqs_on+0x310/0x310
[  301.774275]  ? lock_downgrade+0x900/0x900
[  301.778432]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.783550]  ? ___ratelimit+0xaa/0x655
[  301.787438]  ? idr_get_free+0xec0/0xec0
[  301.791414]  ? kasan_check_write+0x14/0x20
[  301.795683]  ? do_raw_spin_lock+0xc1/0x200
[  301.799942]  oom_kill_process.cold.27+0x10/0x903
[  301.804717]  ? graph_lock+0x170/0x170
[  301.808551]  ? _raw_spin_unlock+0x2c/0x50
[  301.812696]  ? oom_badness+0xe6/0xaa0
[  301.816501]  ? oom_evaluate_task+0x540/0x540
[  301.820912]  ? find_held_lock+0x36/0x1c0
[  301.824984]  ? out_of_memory+0x974/0x14c0
[  301.829136]  ? lock_downgrade+0x900/0x900
[  301.833284]  ? check_preemption_disabled+0x48/0x200
[  301.838307]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.844112]  ? kasan_check_read+0x11/0x20
[  301.848262]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.853560]  ? rcu_bh_qs+0xc0/0xc0
[  301.857108]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.862121]  ? oom_evaluate_task+0x302/0x540
[  301.866539]  out_of_memory+0xa86/0x14c0
[  301.870526]  ? oom_killer_disable+0x3a0/0x3a0
[  301.875021]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  301.879958]  ? __mutex_add_waiter+0x2a0/0x2a0
[  301.884464]  __alloc_pages_slowpath+0x2318/0x2d80
[  301.889350]  ? warn_alloc+0x120/0x120
[  301.893169]  ? find_get_entry+0x2f2/0xc40
[  301.897342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.902882]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  301.907853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.913407]  ? should_fail+0x22d/0xd01
[  301.917302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.922404]  ? __lock_is_held+0xb5/0x140
[  301.926496]  ? __lock_is_held+0xb5/0x140
[  301.930568]  ? find_held_lock+0x36/0x1c0
[  301.934633]  ? ___might_sleep+0x1ed/0x300
[  301.938776]  ? lock_release+0x970/0x970
[  301.942748]  ? arch_local_save_flags+0x40/0x40
[  301.947345]  ? __might_sleep+0x95/0x190
[  301.951328]  __alloc_pages_nodemask+0xa80/0xde0
[  301.956006]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.961026]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.966857]  ? kasan_check_read+0x11/0x20
[  301.971008]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.976286]  ? graph_lock+0x170/0x170
[  301.980091]  ? print_usage_bug+0xc0/0xc0
[  301.984157]  ? graph_lock+0x170/0x170
[  301.987957]  ? graph_lock+0x170/0x170
[  301.991779]  ? __do_page_cache_readahead+0x7ce/0x980
[  301.996895]  ? find_held_lock+0x36/0x1c0
[  302.000962]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  302.006502]  alloc_pages_current+0x10c/0x210
[  302.010907]  ? lock_downgrade+0x900/0x900
[  302.015079]  __page_cache_alloc+0x38f/0x5b0
[  302.019401]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  302.025208]  ? kasan_check_read+0x11/0x20
[  302.029387]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.034681]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  302.039367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.044908]  ? check_preemption_disabled+0x48/0x200
[  302.049935]  filemap_fault+0x1594/0x25f0
[  302.054009]  ? __lock_page_or_retry+0xa00/0xa00
[  302.058680]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  302.064479]  ? kasan_check_read+0x11/0x20
[  302.068633]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.073911]  ? rcu_bh_qs+0xc0/0xc0
[  302.077471]  ? filemap_map_pages+0xdea/0x1980
[  302.081978]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.087084]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  302.092370]  ? debug_object_free+0x325/0x690
[  302.096780]  ? find_get_pages_range_tag+0x1320/0x1320
[  302.102072]  ? graph_lock+0x170/0x170
[  302.106413]  ? kasan_check_read+0x11/0x20
[  302.110561]  ? debug_object_destroy+0x2b0/0x2b0
[  302.115251]  ? lock_acquire+0x1ed/0x520
[  302.119239]  ? ext4_filemap_fault+0x7a/0xad
[  302.123570]  ? lock_release+0x970/0x970
[  302.127548]  ? arch_local_save_flags+0x40/0x40
[  302.132139]  ? futex_wait_setup+0x3e0/0x3e0
[  302.136472]  ? down_read+0xb0/0x1d0
[  302.140097]  ? ext4_filemap_fault+0x7a/0xad
[  302.144417]  ? __down_interruptible+0x700/0x700
[  302.149107]  ext4_filemap_fault+0x82/0xad
[  302.153262]  __do_fault+0x100/0x6b0
[  302.156949]  ? print_bad_pte+0x6c0/0x6c0
[  302.161009]  ? do_futex+0x249/0x26d0
[  302.164742]  ? pmd_val+0x88/0x100
[  302.168200]  ? add_mm_counter_fast+0xd0/0xd0
[  302.172610]  ? pmd_val+0x88/0x100
[  302.176063]  ? add_mm_counter_fast+0xd0/0xd0
[  302.180491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.186035]  __handle_mm_fault+0x3709/0x53e0
[  302.190454]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  302.195299]  ? graph_lock+0x170/0x170
[  302.199101]  ? print_usage_bug+0xc0/0xc0
[  302.203166]  ? graph_lock+0x170/0x170
[  302.206967]  ? graph_lock+0x170/0x170
[  302.210790]  ? handle_mm_fault+0x42a/0xc70
[  302.215033]  ? lock_downgrade+0x900/0x900
[  302.219206]  ? check_preemption_disabled+0x48/0x200
[  302.224230]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  302.230028]  ? kasan_check_read+0x11/0x20
[  302.234179]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.239455]  ? rcu_bh_qs+0xc0/0xc0
[  302.242995]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.248445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.253983]  ? check_preemption_disabled+0x48/0x200
[  302.259007]  handle_mm_fault+0x54f/0xc70
[  302.263075]  ? __handle_mm_fault+0x53e0/0x53e0
[  302.267666]  ? find_vma+0x34/0x190
[  302.271221]  __do_page_fault+0x67d/0xed0
[  302.275295]  ? mm_fault_error+0x380/0x380
[  302.279456]  ? trace_hardirqs_off+0xb8/0x300
[  302.283869]  ? trace_hardirqs_on+0x310/0x310
[  302.288280]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.293647]  ? trace_hardirqs_on+0x310/0x310
[  302.298065]  do_page_fault+0xf2/0x7e0
[  302.301881]  ? vmalloc_sync_all+0x30/0x30
[  302.306028]  ? error_entry+0x70/0xd0
[  302.309743]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.314755]  ? trace_hardirqs_on_caller+0xc0/0x300
[  302.319701]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.324626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.329466]  ? trace_hardirqs_off+0x300/0x300
[  302.333975]  ? trace_hardirqs_off_caller+0x300/0x300
[  302.339084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.344104]  ? page_fault+0x8/0x30
[  302.347652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.352496]  ? page_fault+0x8/0x30
[  302.356057]  page_fault+0x1e/0x30
[  302.359513] RIP: 0033:0x40f9c0
[  302.362710] Code: Bad RIP value.
[  302.366069] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  302.371431] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  302.378694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  302.385973] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  302.393240] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  302.400505] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  302.407794] warn_alloc_show_mem: 1 callbacks suppressed
[  302.407806] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  302.407808] Mem-Info:
[  302.407857] active_anon:52539 inactive_anon:923 isolated_anon:0
[  302.407857]  active_file:16 inactive_file:19 isolated_file:0
[  302.407857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  302.407857]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  302.407857]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  302.407857]  free:13650 free_pcp:205 free_cma:0
[  302.413188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.420482] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  302.422910] Call Trace:
[  302.455863] Node 0 
[  302.465215]  <IRQ>
[  302.492980] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  302.495533]  dump_stack+0x1c4/0x2b4
[  302.497747] lowmem_reserve[]:
[  302.499895]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.525375]  0
[  302.529005]  warn_alloc.cold.118+0xb7/0x1bd
[  302.532074]  2817
[  302.537256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.539034]  6321
[  302.543353]  ? lock_downgrade+0x900/0x900
[  302.545388]  6321
[  302.550224]  ? trace_hardirqs_off+0xb8/0x300
[  302.556398]  ? trace_hardirqs_off+0xb8/0x300
[  302.558434] Node 0 
[  302.562849]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.567258] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  302.569488]  ? warn_alloc+0x120/0x120
[  302.574320] lowmem_reserve[]:
[  302.601294]  ? trace_hardirqs_on+0x310/0x310
[  302.605177]  0
[  302.608276]  ? warn_alloc+0x120/0x120
[  302.612657]  0 3503
[  302.614492]  ? print_usage_bug+0xc0/0xc0
[  302.618264]  3503
[  302.620493]  ? warn_alloc+0x120/0x120
[  302.624533] Node 0 
[  302.626590]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  302.630392] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  302.632593]  ? print_usage_bug+0xc0/0xc0
[  302.637616] lowmem_reserve[]: 0
[  302.666003]  ? __lock_acquire+0x7ec/0x4ec0
[  302.670041]  0
[  302.673311]  ? __lock_acquire+0x7ec/0x4ec0
[  302.677519]  0
[  302.679317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.683521]  0
[  302.685318]  ? should_fail+0x22d/0xd01
[  302.692632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.696492] Node 0 
[  302.701584]  ? __lock_acquire+0x7ec/0x4ec0
[  302.701587] DMA: 1*4kB 
[  302.703836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.708052] (U) 
[  302.710632]  ? __lock_acquire+0x7ec/0x4ec0
[  302.715711] 0*8kB 
[  302.717679]  ? should_fail+0x22d/0xd01
[  302.721909] 0*16kB 
[  302.724048]  ? print_usage_bug+0xc0/0xc0
[  302.727913] 1*32kB 
[  302.730146]  ? mark_held_locks+0x130/0x130
[  302.734173] (U) 
[  302.736408]  ? mark_held_locks+0x130/0x130
[  302.740618] 2*64kB 
[  302.742590]  ? graph_lock+0x170/0x170
[  302.746787] (U) 1*128kB 
[  302.749036]  ? print_usage_bug+0xc0/0xc0
[  302.752819] (U) 
[  302.755520]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.759568] 1*256kB 
[  302.761546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.766275] (U) 
[  302.768598]  ? check_preemption_disabled+0x48/0x200
[  302.774107] 0*512kB 
[  302.776080]  ? check_preemption_disabled+0x48/0x200
[  302.781156] 1*1024kB 
[  302.783514]  ? __lock_is_held+0xb5/0x140
[  302.788566] (U) 
[  302.791006]  __alloc_pages_nodemask+0xa80/0xde0
[  302.795041] 1*2048kB 
[  302.797024]  ? graph_lock+0x170/0x170
[  302.801672] (M) 3*4096kB 
[  302.804096]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.807868] (M) 
[  302.810617]  ? graph_lock+0x170/0x170
[  302.815610] = 15908kB
[  302.817592]  ? find_held_lock+0x36/0x1c0
[  302.821381] Node 0 
[  302.823788]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.827848] DMA32: 
[  302.830079]  ? lock_downgrade+0x900/0x900
[  302.834723] 2*4kB 
[  302.836956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.841076] (M) 
[  302.843238]  cache_grow_begin+0x91/0x8c0
[  302.848748] 1*8kB 
[  302.850744]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.854780] (U) 
[  302.856932]  fallback_alloc+0x203/0x2e0
[  302.861327] 4*16kB 
[  302.863304]  ____cache_alloc_node+0x1c7/0x1e0
[  302.867250] (UM) 
[  302.869488]  kmem_cache_alloc_node+0xe3/0x730
[  302.873954] 2*32kB (UM) 
[  302.876025]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.880490] 3*64kB (UM) 
[  302.883174]  __alloc_skb+0x119/0x770
[  302.887390] 4*128kB 
[  302.890062]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.893745] (UM) 
[  302.896061]  ? skb_scrub_packet+0x490/0x490
[  302.901307] 2*256kB (M) 
[  302.903382]  ? lock_downgrade+0x900/0x900
[  302.907681] 4*512kB 
[  302.910351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.914469] (UM) 
[  302.916788]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.922312] 3*1024kB 
[  302.924372]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.929791] (M) 
[  302.932203]  ? addrconf_rs_timer+0x6f0/0x6f0
[  302.937618] 1*2048kB (M) 
[  302.939606]  ndisc_alloc_skb+0x144/0x340
[  302.943978] 4*4096kB 
[  302.946729]  ndisc_send_rs+0x331/0x6e0
[  302.950760] (M) 
[  302.953168]  addrconf_rs_timer+0x3c0/0x6f0
[  302.957028] = 24912kB
[  302.958997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.963203] Node 0 
[  302.965614]  call_timer_fn+0x272/0x920
[  302.969848] Normal: 
[  302.972078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.975940] 2389*4kB 
[  302.978257]  ? process_timeout+0x40/0x40
[  302.982464] (UME) 
[  302.984868]  ? find_held_lock+0x36/0x1c0
[  302.988896] 378*8kB (UME) 
[  302.991053]  ? __run_timers+0x7da/0xc70
[  302.995082] 73*16kB 
[  302.997926]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.001871] (UM) 
[  303.004190]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.008661] 1*32kB 
[  303.010718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.015190] (U) 
[  303.017434]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  303.021657] 0*64kB 
[  303.023626]  ? trace_hardirqs_on+0xbd/0x310
[  303.028180] 0*128kB 0*256kB 
[  303.030421]  ? kasan_check_read+0x11/0x20
[  303.034748] 0*512kB 
[  303.037766]  ? __run_timers+0x7da/0xc70
[  303.041880] 0*1024kB 0*2048kB 
[  303.044209]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.048159] 0*4096kB 
[  303.051355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.056786] = 13780kB
[  303.059192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.063405] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.065804]  __run_timers+0x7e5/0xc70
[  303.070023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.079133]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.082911] 4510 total pagecache pages
[  303.091483]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.096838] 0 pages in swap cache
[  303.100704]  ? rcu_bh_qs+0xc0/0xc0
[  303.105961] Swap cache stats: add 0, delete 0, find 0/0
[  303.109425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.112951] Free swap  = 0kB
[  303.118309]  ? check_preemption_disabled+0x48/0x200
[  303.123822] Total swap = 0kB
[  303.126847]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.131844] 1965979 pages RAM
[  303.134857]  ? retint_kernel+0x2d/0x2d
[  303.139579] 0 pages HighMem/MovableOnly
[  303.139588] 342744 pages reserved
[  303.142688]  ? trace_hardirqs_on_caller+0xc0/0x300
[  303.146548] 0 pages cma reserved
[  303.150518]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.154012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.158883]  ? trace_hardirqs_off_caller+0x300/0x300
[  303.162330] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.166975]  ? check_preemption_disabled+0x48/0x200
[  303.173443] syz-fuzzer cpuset=
[  303.178541]  ? graph_lock+0x170/0x170
[  303.188744] /
[  303.193755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.196924]  mems_allowed=0
[  303.200715]  ? check_preemption_disabled+0x48/0x200
[  303.216375]  ? __lock_is_held+0xb5/0x140
[  303.220439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.225978]  ? check_preemption_disabled+0x48/0x200
[  303.231007]  run_timer_softirq+0x52/0xb0
[  303.235070]  ? rcu_read_lock_sched_held+0x108/0x120
[  303.240088]  __do_softirq+0x30b/0xad8
[  303.243900]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.249011]  ? pvclock_read_flags+0x160/0x160
[  303.253509]  ? lapic_next_event+0x5a/0x90
[  303.257657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.263196]  ? check_preemption_disabled+0x48/0x200
[  303.268211]  ? check_preemption_disabled+0x48/0x200
[  303.273234]  ? kvm_clock_read+0x18/0x30
[  303.277214]  ? kvm_sched_clock_read+0x9/0x20
[  303.281713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.287254]  ? check_preemption_disabled+0x48/0x200
[  303.292282]  irq_exit+0x17f/0x1c0
[  303.295740]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.300586]  ? smp_reschedule_interrupt+0x109/0x650
[  303.305603]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.311490]  ? interrupt_entry+0xb5/0xf0
[  303.315551]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.320564]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.325585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.330432]  ? trace_hardirqs_off+0x300/0x300
[  303.334928]  ? trace_hardirqs_off+0x300/0x300
[  303.339425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.344970]  ? check_preemption_disabled+0x48/0x200
[  303.349985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.355535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.360394]  apic_timer_interrupt+0xf/0x20
[  303.364622]  </IRQ>
[  303.366866] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  303.371801] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  303.390722] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  303.398440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  303.405709] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  303.412976] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  303.420241] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  303.427509] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  303.434832]  skb_clone+0x1bb/0x500
[  303.438381]  ? finish_task_switch+0x2f5/0x900
[  303.442887]  ? skb_split+0x11e0/0x11e0
[  303.446780]  ? preempt_notifier_register+0x200/0x200
[  303.451890]  ? __switch_to_asm+0x34/0x70
[  303.455951]  ? __switch_to_asm+0x34/0x70
[  303.460008]  ? __switch_to_asm+0x40/0x70
[  303.464068]  ? __switch_to_asm+0x34/0x70
[  303.468130]  ? __switch_to_asm+0x40/0x70
[  303.472193]  ? __switch_to_asm+0x34/0x70
[  303.476251]  ? __switch_to_asm+0x40/0x70
[  303.480325]  ? __switch_to_asm+0x34/0x70
[  303.484397]  ? __switch_to_asm+0x34/0x70
[  303.488454]  ? __switch_to_asm+0x40/0x70
[  303.492516]  ? __switch_to_asm+0x34/0x70
[  303.496586]  bpf_clone_redirect+0xb9/0x490
[  303.500833]  ? __schedule+0x874/0x1ed0
[  303.504727]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  303.509752]  ? __sched_text_start+0x8/0x8
[  303.513899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.518667]  ? find_held_lock+0x36/0x1c0
[  303.522734]  ? lock_acquire+0x1ed/0x520
[  303.526709]  ? bpf_test_run+0x32e/0x5a0
[  303.530690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.536232]  ? check_preemption_disabled+0x48/0x200
[  303.541257]  ? kasan_check_read+0x11/0x20
[  303.545412]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.550698]  ? rcu_bh_qs+0xc0/0xc0
[  303.554247]  ? preempt_schedule+0x4d/0x60
[  303.558397]  ? ___preempt_schedule+0x16/0x18
[  303.562824]  ? bpf_test_run+0x1c0/0x5a0
[  303.566820]  ? netlink_diag_dump+0x2a0/0x2a0
[  303.571327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.576874]  ? bpf_test_init.isra.9+0x70/0x100
[  303.581468]  ? bpf_prog_test_run_skb+0x634/0xb40
[  303.586245]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.591089]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.596623]  ? fput+0x130/0x1a0
[  303.599905]  ? __bpf_prog_get+0x9b/0x290
[  303.603967]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.608806]  ? bpf_prog_test_run+0x130/0x1a0
[  303.613230]  ? __x64_sys_bpf+0x3d8/0x510
[  303.617290]  ? bpf_prog_get+0x20/0x20
[  303.621099]  ? ksys_ioctl+0x81/0xd0
[  303.624739]  ? do_syscall_64+0x1b9/0x820
[  303.628806]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  303.634193]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.639131]  ? trace_hardirqs_off+0x300/0x300
[  303.643680]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.648701]  ? recalc_sigpending_tsk+0x180/0x180
[  303.653462]  ? kasan_check_write+0x14/0x20
[  303.657705]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.662559]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.667949] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  303.668020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.674898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.674903] Call Trace:
[  303.674910]  <IRQ>
[  303.674928]  dump_stack+0x1c4/0x2b4
[  303.674944]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.674970]  warn_alloc.cold.118+0xb7/0x1bd
[  303.681513] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.690805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.693373] syz-executor2 cpuset=
[  303.695520]  ? lock_downgrade+0x900/0x900
[  303.699120] syz2
[  303.704306]  ? trace_hardirqs_off+0xb8/0x300
[  303.708600]  mems_allowed=0
[  303.719092]  ? trace_hardirqs_off+0xb8/0x300
[  303.745183]  __alloc_pages_slowpath+0x2667/0x2d80
[  303.750063]  ? warn_alloc+0x120/0x120
[  303.753875]  ? trace_hardirqs_on+0x310/0x310
[  303.758288]  ? warn_alloc+0x120/0x120
[  303.762092]  ? print_usage_bug+0xc0/0xc0
[  303.766152]  ? warn_alloc+0x120/0x120
[  303.769957]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.774976]  ? print_usage_bug+0xc0/0xc0
[  303.779043]  ? __lock_acquire+0x7ec/0x4ec0
[  303.783277]  ? __lock_acquire+0x7ec/0x4ec0
[  303.787518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.793061]  ? should_fail+0x22d/0xd01
[  303.796955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.802062]  ? __lock_acquire+0x7ec/0x4ec0
[  303.806320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.811427]  ? __lock_acquire+0x7ec/0x4ec0
[  303.815659]  ? should_fail+0x22d/0xd01
[  303.819544]  ? print_usage_bug+0xc0/0xc0
[  303.823616]  ? mark_held_locks+0x130/0x130
[  303.827863]  ? mark_held_locks+0x130/0x130
[  303.832109]  ? graph_lock+0x170/0x170
[  303.835909]  ? print_usage_bug+0xc0/0xc0
[  303.839970]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.844727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.850270]  ? check_preemption_disabled+0x48/0x200
[  303.855289]  ? check_preemption_disabled+0x48/0x200
[  303.860317]  ? __lock_is_held+0xb5/0x140
[  303.864388]  __alloc_pages_nodemask+0xa80/0xde0
[  303.869059]  ? graph_lock+0x170/0x170
[  303.872876]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.877890]  ? graph_lock+0x170/0x170
[  303.881702]  ? find_held_lock+0x36/0x1c0
[  303.885772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.890444]  ? lock_downgrade+0x900/0x900
[  303.894600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.900144]  cache_grow_begin+0x91/0x8c0
[  303.904212]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.908630]  fallback_alloc+0x203/0x2e0
[  303.912613]  ____cache_alloc_node+0x1c7/0x1e0
[  303.917113]  kmem_cache_alloc_node+0xe3/0x730
[  303.921615]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.925883]  __alloc_skb+0x119/0x770
[  303.929618]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.934902]  ? skb_scrub_packet+0x490/0x490
[  303.939222]  ? lock_downgrade+0x900/0x900
[  303.943380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.948920]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.954379]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.959847]  ? addrconf_rs_timer+0x6f0/0x6f0
[  303.964275]  ndisc_alloc_skb+0x144/0x340
[  303.968343]  ndisc_send_rs+0x331/0x6e0
[  303.972240]  addrconf_rs_timer+0x3c0/0x6f0
[  303.976484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.980736]  call_timer_fn+0x272/0x920
[  303.984626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.988866]  ? process_timeout+0x40/0x40
[  303.992943]  ? find_held_lock+0x36/0x1c0
[  303.997013]  ? mark_held_locks+0xc7/0x130
[  304.001163]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.005661]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.010154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.014387]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  304.018971]  ? trace_hardirqs_on+0xbd/0x310
[  304.023295]  ? kasan_check_read+0x11/0x20
[  304.027447]  ? __run_timers+0x7da/0xc70
[  304.031425]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.036882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.041122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.045362]  __run_timers+0x7e5/0xc70
[  304.049178]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.054547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.059568]  ? graph_lock+0x170/0x170
[  304.063373]  ? print_usage_bug+0xc0/0xc0
[  304.067431]  ? lock_release+0x970/0x970
[  304.071404]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.076604]  ? find_held_lock+0x36/0x1c0
[  304.080672]  ? graph_lock+0x170/0x170
[  304.084481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.090022]  ? check_preemption_disabled+0x48/0x200
[  304.095049]  ? __lock_is_held+0xb5/0x140
[  304.099109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.104649]  ? check_preemption_disabled+0x48/0x200
[  304.109672]  run_timer_softirq+0x52/0xb0
[  304.113735]  ? rcu_read_lock_sched_held+0x108/0x120
[  304.118756]  __do_softirq+0x30b/0xad8
[  304.122568]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  304.127681]  ? pvclock_read_flags+0x160/0x160
[  304.132176]  ? lapic_next_event+0x5a/0x90
[  304.136323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.141870]  ? check_preemption_disabled+0x48/0x200
[  304.146885]  ? check_preemption_disabled+0x48/0x200
[  304.151909]  ? kvm_clock_read+0x18/0x30
[  304.155887]  ? kvm_sched_clock_read+0x9/0x20
[  304.160296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.165858]  ? check_preemption_disabled+0x48/0x200
[  304.170890]  irq_exit+0x17f/0x1c0
[  304.174349]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.179196]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.185080]  ? interrupt_entry+0xb5/0xf0
[  304.189147]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.194163]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.199184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.204027]  ? trace_hardirqs_off+0x300/0x300
[  304.208520]  ? trace_hardirqs_off+0x300/0x300
[  304.213014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.218555]  ? check_preemption_disabled+0x48/0x200
[  304.223571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.229118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.233973]  apic_timer_interrupt+0xf/0x20
[  304.238203]  </IRQ>
[  304.240458] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  304.245738] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  304.264636] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  304.272349] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  304.279618] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  304.286884] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  304.294150] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  304.301420] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  304.308806]  ? arch_local_irq_restore+0x45/0x52
[  304.313524]  dump_stack+0x26a/0x2b4
[  304.317155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.322365]  ? mark_held_locks+0x130/0x130
[  304.326599]  ? mark_held_locks+0x130/0x130
[  304.330854]  dump_header+0x27b/0xf72
[  304.334582]  ? pagefault_out_of_memory+0x197/0x197
[  304.339529]  ? mark_held_locks+0x130/0x130
[  304.343767]  ? __lock_acquire+0x7ec/0x4ec0
[  304.348003]  ? mem_cgroup_charge_statistics+0x780/0x780
[  304.353371]  ? print_usage_bug+0xc0/0xc0
[  304.357437]  ? print_usage_bug+0xc0/0xc0
[  304.361520]  ? graph_lock+0x170/0x170
[  304.365321]  ? graph_lock+0x170/0x170
[  304.369126]  ? print_usage_bug+0xc0/0xc0
[  304.373185]  ? print_usage_bug+0xc0/0xc0
[  304.377298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.382857]  ? find_held_lock+0x36/0x1c0
[  304.386947]  ? mark_held_locks+0xc7/0x130
[  304.391099]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.396203]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.401310]  ? lockdep_hardirqs_on+0x421/0x5c0
[  304.405895]  ? trace_hardirqs_on+0xbd/0x310
[  304.410217]  ? kasan_check_read+0x11/0x20
[  304.414370]  ? ___ratelimit+0x36f/0x655
[  304.418350]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.423803]  ? trace_hardirqs_on+0x310/0x310
[  304.428230]  ? lock_downgrade+0x900/0x900
[  304.432384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.437495]  ? ___ratelimit+0xaa/0x655
[  304.441390]  ? idr_get_free+0xec0/0xec0
[  304.445373]  ? kasan_check_write+0x14/0x20
[  304.449611]  ? do_raw_spin_lock+0xc1/0x200
[  304.453862]  oom_kill_process.cold.27+0x10/0x903
[  304.458619]  ? graph_lock+0x170/0x170
[  304.462417]  ? _raw_spin_unlock+0x2c/0x50
[  304.466567]  ? oom_badness+0xe6/0xaa0
[  304.470372]  ? oom_evaluate_task+0x540/0x540
[  304.474786]  ? find_held_lock+0x36/0x1c0
[  304.478871]  ? out_of_memory+0x974/0x14c0
[  304.483018]  ? lock_downgrade+0x900/0x900
[  304.487167]  ? check_preemption_disabled+0x48/0x200
[  304.492194]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.497995]  ? kasan_check_read+0x11/0x20
[  304.502145]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.507423]  ? rcu_bh_qs+0xc0/0xc0
[  304.510968]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.515985]  ? oom_evaluate_task+0x302/0x540
[  304.520403]  out_of_memory+0xa86/0x14c0
[  304.524385]  ? oom_killer_disable+0x3a0/0x3a0
[  304.528881]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  304.533826]  ? __mutex_add_waiter+0x2a0/0x2a0
[  304.538341]  __alloc_pages_slowpath+0x2318/0x2d80
[  304.543214]  ? warn_alloc+0x120/0x120
[  304.547029]  ? find_get_entry+0x2f2/0xc40
[  304.551190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.556729]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  304.561657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.567222]  ? should_fail+0x22d/0xd01
[  304.571116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.576222]  ? __lock_is_held+0xb5/0x140
[  304.580308]  ? __lock_is_held+0xb5/0x140
[  304.584391]  ? find_held_lock+0x36/0x1c0
[  304.588459]  ? ___might_sleep+0x1ed/0x300
[  304.592607]  ? lock_release+0x970/0x970
[  304.596586]  ? arch_local_save_flags+0x40/0x40
[  304.601182]  ? __might_sleep+0x95/0x190
[  304.605166]  __alloc_pages_nodemask+0xa80/0xde0
[  304.609857]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.614879]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.620681]  ? kasan_check_read+0x11/0x20
[  304.624847]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.630132]  ? graph_lock+0x170/0x170
[  304.633941]  ? print_usage_bug+0xc0/0xc0
[  304.638007]  ? graph_lock+0x170/0x170
[  304.641809]  ? graph_lock+0x170/0x170
[  304.645624]  ? __do_page_cache_readahead+0x7ce/0x980
[  304.650731]  ? find_held_lock+0x36/0x1c0
[  304.654797]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  304.660356]  alloc_pages_current+0x10c/0x210
[  304.664772]  ? lock_downgrade+0x900/0x900
[  304.668930]  __page_cache_alloc+0x38f/0x5b0
[  304.673257]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.679058]  ? kasan_check_read+0x11/0x20
[  304.683205]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.688488]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  304.693157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.698696]  ? check_preemption_disabled+0x48/0x200
[  304.703722]  filemap_fault+0x1594/0x25f0
[  304.707800]  ? __lock_page_or_retry+0xa00/0xa00
[  304.712485]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.718281]  ? kasan_check_read+0x11/0x20
[  304.722448]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.727906]  ? rcu_bh_qs+0xc0/0xc0
[  304.731464]  ? filemap_map_pages+0xdea/0x1980
[  304.735970]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.741077]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  304.746354]  ? debug_object_free+0x325/0x690
[  304.750765]  ? find_get_pages_range_tag+0x1320/0x1320
[  304.755961]  ? graph_lock+0x170/0x170
[  304.759876]  ? kasan_check_read+0x11/0x20
[  304.764027]  ? debug_object_destroy+0x2b0/0x2b0
[  304.768710]  ? lock_acquire+0x1ed/0x520
[  304.772687]  ? ext4_filemap_fault+0x7a/0xad
[  304.777013]  ? lock_release+0x970/0x970
[  304.780987]  ? arch_local_save_flags+0x40/0x40
[  304.785577]  ? futex_wait_setup+0x3e0/0x3e0
[  304.789910]  ? down_read+0xb0/0x1d0
[  304.793534]  ? ext4_filemap_fault+0x7a/0xad
[  304.797860]  ? __down_interruptible+0x700/0x700
[  304.802550]  ext4_filemap_fault+0x82/0xad
[  304.806700]  __do_fault+0x100/0x6b0
[  304.810330]  ? print_bad_pte+0x6c0/0x6c0
[  304.814394]  ? do_futex+0x249/0x26d0
[  304.818115]  ? pmd_val+0x88/0x100
[  304.821573]  ? add_mm_counter_fast+0xd0/0xd0
[  304.825982]  ? pmd_val+0x88/0x100
[  304.829440]  ? add_mm_counter_fast+0xd0/0xd0
[  304.833862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.839408]  __handle_mm_fault+0x3709/0x53e0
[  304.843844]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  304.848705]  ? graph_lock+0x170/0x170
[  304.852509]  ? print_usage_bug+0xc0/0xc0
[  304.856573]  ? graph_lock+0x170/0x170
[  304.860375]  ? graph_lock+0x170/0x170
[  304.864199]  ? handle_mm_fault+0x42a/0xc70
[  304.868434]  ? lock_downgrade+0x900/0x900
[  304.872583]  ? check_preemption_disabled+0x48/0x200
[  304.877607]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.883404]  ? kasan_check_read+0x11/0x20
[  304.887555]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.892847]  ? rcu_bh_qs+0xc0/0xc0
[  304.896391]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.901859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.907405]  ? check_preemption_disabled+0x48/0x200
[  304.912436]  handle_mm_fault+0x54f/0xc70
[  304.916502]  ? __handle_mm_fault+0x53e0/0x53e0
[  304.921089]  ? find_vma+0x34/0x190
[  304.924637]  __do_page_fault+0x67d/0xed0
[  304.928709]  ? mm_fault_error+0x380/0x380
[  304.932862]  ? trace_hardirqs_off+0xb8/0x300
[  304.937270]  ? trace_hardirqs_on+0x310/0x310
[  304.941683]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.947050]  ? trace_hardirqs_on+0x310/0x310
[  304.951469]  do_page_fault+0xf2/0x7e0
[  304.955271]  ? vmalloc_sync_all+0x30/0x30
[  304.959419]  ? error_entry+0x70/0xd0
[  304.963136]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.968150]  ? trace_hardirqs_on_caller+0xc0/0x300
[  304.973079]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.978007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.982856]  ? trace_hardirqs_off+0x300/0x300
[  304.987349]  ? trace_hardirqs_off_caller+0x300/0x300
[  304.992459]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.997478]  ? page_fault+0x8/0x30
[  305.001021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.005875]  ? page_fault+0x8/0x30
[  305.009416]  page_fault+0x1e/0x30
[  305.012868] RIP: 0033:0x40f9c0
[  305.016063] Code: Bad RIP value.
[  305.019428] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  305.024791] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  305.032066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  305.039333] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  305.046601] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  305.053867] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  305.061158] warn_alloc_show_mem: 1 callbacks suppressed
[  305.061171] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  305.061172] Mem-Info:
[  305.061205] active_anon:52539 inactive_anon:923 isolated_anon:0
[  305.061205]  active_file:16 inactive_file:19 isolated_file:0
[  305.061205]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.061205]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  305.061205]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  305.061205]  free:13650 free_pcp:205 free_cma:0
[  305.066532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.066541] Call Trace:
[  305.074327] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.076729]  <IRQ>
[  305.109691] Node 0 
[  305.119054]  dump_stack+0x1c4/0x2b4
[  305.121654] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.149398]  ? dump_stack_print_info.cold.2+0x52/0x52
[  305.151525] lowmem_reserve[]:
[  305.153765]  warn_alloc.cold.118+0xb7/0x1bd
[  305.157358]  0
[  305.182870]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.188033]  2817
[  305.191136]  ? lock_downgrade+0x900/0x900
[  305.195423]  6321 6321
[  305.197232]  ? trace_hardirqs_off+0xb8/0x300
[  305.202044] Node 0 
[  305.204103]  ? trace_hardirqs_off+0xb8/0x300
[  305.208426] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.210904]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.215274] lowmem_reserve[]: 0
[  305.217541]  ? warn_alloc+0x120/0x120
[  305.221895]  0 3503
[  305.248890]  ? warn_alloc+0x120/0x120
[  305.253705]  3503
[  305.256977]  ? print_usage_bug+0xc0/0xc0
[  305.262982]  ? warn_alloc+0x120/0x120
[  305.266763] Node 0 
[  305.268826]  ? print_usage_bug+0xc0/0xc0
[  305.272893] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  305.276658]  ? __lock_acquire+0x7ec/0x4ec0
[  305.278872] lowmem_reserve[]:
[  305.282947]  ? __lock_acquire+0x7ec/0x4ec0
[  305.311292]  0 0
[  305.315543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.318616]  0
[  305.322858]  ? should_fail+0x22d/0xd01
[  305.324805]  0
[  305.330345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.332140] Node 0 
[  305.336021]  ? __lock_acquire+0x7ec/0x4ec0
[  305.337795] DMA: 1*4kB 
[  305.342908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.345122] (U) 
[  305.349349]  ? __lock_acquire+0x7ec/0x4ec0
[  305.351904] 0*8kB 0*16kB 
[  305.357010]  ? should_fail+0x22d/0xd01
[  305.358960] 1*32kB 
[  305.363190]  ? mark_held_locks+0x130/0x130
[  305.365944] (U) 
[  305.369834]  ? mark_held_locks+0x130/0x130
[  305.372050] 2*64kB (U) 
[  305.376290]  ? graph_lock+0x170/0x170
[  305.378242] 1*128kB 
[  305.382468]  ? graph_lock+0x170/0x170
[  305.385028] (U) 
[  305.388828]  ? graph_lock+0x170/0x170
[  305.391132] 1*256kB 
[  305.394924]  ? print_usage_bug+0xc0/0xc0
[  305.396878] (U) 
[  305.400673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.402963] 0*512kB 1*1024kB 
[  305.407033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.408985] (U) 
[  305.414518]  ? check_preemption_disabled+0x48/0x200
[  305.417594] 1*2048kB 
[  305.423125]  ? check_preemption_disabled+0x48/0x200
[  305.425073] (M) 
[  305.430089]  ? __lock_is_held+0xb5/0x140
[  305.432461] 3*4096kB (M) 
[  305.437484]  __alloc_pages_nodemask+0xa80/0xde0
[  305.439435] = 15908kB
[  305.443491]  ? graph_lock+0x170/0x170
[  305.446225] Node 0 
[  305.450889]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.453273] DMA32: 
[  305.457063]  ? graph_lock+0x170/0x170
[  305.457088]  ? find_held_lock+0x36/0x1c0
[  305.459296] 2*4kB 
[  305.464310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.466517] (M) 
[  305.470314]  ? lock_downgrade+0x900/0x900
[  305.474358] 1*8kB 
[  305.476512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.481159] (U) 
[  305.483132]  cache_grow_begin+0x91/0x8c0
[  305.487245] 4*16kB (UM) 
[  305.489402]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.494906] 2*32kB (UM) 
[  305.496894]  fallback_alloc+0x203/0x2e0
[  305.500930] 3*64kB 
[  305.503606]  ____cache_alloc_node+0x1c7/0x1e0
[  305.507972] (UM) 4*128kB 
[  305.510649]  kmem_cache_alloc_node+0xe3/0x730
[  305.514596] (UM) 
[  305.516840]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.521309] 2*256kB (M) 
[  305.524081]  __alloc_skb+0x119/0x770
[  305.528560] 4*512kB (UM) 
[  305.530630]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.534840] 3*1024kB (M) 
[  305.537518]  ? skb_scrub_packet+0x490/0x490
[  305.541198] 1*2048kB (M) 
[  305.543959]  ? lock_downgrade+0x900/0x900
[  305.549202] 4*4096kB (M) 
[  305.551967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.556252] = 24912kB
[  305.556261] Node 0 
[  305.559018]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.563132] Normal: 2389*4kB 
[  305.565895]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.571405] (UME) 
[  305.573809]  ? addrconf_rs_timer+0x6f0/0x6f0
[  305.576024] 378*8kB (UME) 
[  305.581500]  ndisc_alloc_skb+0x144/0x340
[  305.584581] 73*16kB 
[  305.590025]  ndisc_send_rs+0x331/0x6e0
[  305.592145] (UM) 
[  305.596551]  addrconf_rs_timer+0x3c0/0x6f0
[  305.599368] 1*32kB 
[  305.603421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.605716] (U) 
[  305.609604]  call_timer_fn+0x272/0x920
[  305.611628] 0*64kB 0*128kB 
[  305.615869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.618085] 0*256kB 
[  305.622313]  ? process_timeout+0x40/0x40
[  305.624270] 0*512kB 
[  305.628142]  ? find_held_lock+0x36/0x1c0
[  305.628165]  ? __run_timers+0x7da/0xc70
[  305.631071] 0*1024kB 
[  305.635297]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.637598] 0*2048kB 
[  305.641650]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.643951] 0*4096kB 
[  305.648009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.651957] = 13780kB
[  305.654360]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.658849] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.661243]  ? trace_hardirqs_on+0xbd/0x310
[  305.665716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.668114]  ? kasan_check_read+0x11/0x20
[  305.672322] 4510 total pagecache pages
[  305.674729]  ? __run_timers+0x7da/0xc70
[  305.679313] 0 pages in swap cache
[  305.688135]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.692427] Swap cache stats: add 0, delete 0, find 0/0
[  305.692436] Free swap  = 0kB
[  305.701010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.705128] Total swap = 0kB
[  305.709013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.712959] 1965979 pages RAM
[  305.716404]  __run_timers+0x7e5/0xc70
[  305.721826] 0 pages HighMem/MovableOnly
[  305.721840] 342744 pages reserved
[  305.727383]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.730368] 0 pages cma reserved
[  305.734598]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.737653] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.741823]  ? rcu_bh_qs+0xc0/0xc0
[  305.745003] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.748707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.752654] syz-fuzzer cpuset=
[  305.756103]  ? check_preemption_disabled+0x48/0x200
[  305.761436] /
[  305.764800]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.770048]  mems_allowed=0
[  305.776535]  ? retint_kernel+0x2d/0x2d
[  305.817177]  ? trace_hardirqs_on_caller+0xc0/0x300
[  305.822111]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.826869]  ? trace_hardirqs_off_caller+0x300/0x300
[  305.831975]  ? check_preemption_disabled+0x48/0x200
[  305.836997]  ? graph_lock+0x170/0x170
[  305.840808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.846360]  ? check_preemption_disabled+0x48/0x200
[  305.851388]  ? __lock_is_held+0xb5/0x140
[  305.855450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.860988]  ? check_preemption_disabled+0x48/0x200
[  305.866015]  run_timer_softirq+0x52/0xb0
[  305.870078]  ? rcu_read_lock_sched_held+0x108/0x120
[  305.875098]  __do_softirq+0x30b/0xad8
[  305.878909]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.884020]  ? pvclock_read_flags+0x160/0x160
[  305.888515]  ? lapic_next_event+0x5a/0x90
[  305.892665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.898205]  ? check_preemption_disabled+0x48/0x200
[  305.903222]  ? check_preemption_disabled+0x48/0x200
[  305.908244]  ? kvm_clock_read+0x18/0x30
[  305.912217]  ? kvm_sched_clock_read+0x9/0x20
[  305.916627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.922167]  ? check_preemption_disabled+0x48/0x200
[  305.927200]  irq_exit+0x17f/0x1c0
[  305.930657]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.935503]  ? smp_reschedule_interrupt+0x109/0x650
[  305.940525]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.946415]  ? interrupt_entry+0xb5/0xf0
[  305.950481]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.955496]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.960516]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.965366]  ? trace_hardirqs_off+0x300/0x300
[  305.969862]  ? trace_hardirqs_off+0x300/0x300
[  305.974379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.979921]  ? check_preemption_disabled+0x48/0x200
[  305.984939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.990491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.995353]  apic_timer_interrupt+0xf/0x20
[  305.999583]  </IRQ>
[  306.001829] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.006761] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  306.025659] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  306.033373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.040642] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  306.047914] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  306.055182] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.062452] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  306.069766]  skb_clone+0x1bb/0x500
[  306.073310]  ? finish_task_switch+0x2f5/0x900
[  306.077835]  ? skb_split+0x11e0/0x11e0
[  306.081731]  ? preempt_notifier_register+0x200/0x200
[  306.086839]  ? __switch_to_asm+0x34/0x70
[  306.090905]  ? __switch_to_asm+0x34/0x70
[  306.094968]  ? __switch_to_asm+0x40/0x70
[  306.099026]  ? __switch_to_asm+0x34/0x70
[  306.103088]  ? __switch_to_asm+0x40/0x70
[  306.107149]  ? __switch_to_asm+0x34/0x70
[  306.111206]  ? __switch_to_asm+0x40/0x70
[  306.115263]  ? __switch_to_asm+0x34/0x70
[  306.119325]  ? __switch_to_asm+0x34/0x70
[  306.123390]  ? __switch_to_asm+0x40/0x70
[  306.127448]  ? __switch_to_asm+0x34/0x70
[  306.131521]  bpf_clone_redirect+0xb9/0x490
[  306.135764]  ? __schedule+0x874/0x1ed0
[  306.139671]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  306.144691]  ? __sched_text_start+0x8/0x8
[  306.148849]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.153625]  ? find_held_lock+0x36/0x1c0
[  306.157698]  ? lock_acquire+0x1ed/0x520
[  306.161671]  ? bpf_test_run+0x32e/0x5a0
[  306.165648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.171194]  ? check_preemption_disabled+0x48/0x200
[  306.176224]  ? kasan_check_read+0x11/0x20
[  306.180381]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.185659]  ? rcu_bh_qs+0xc0/0xc0
[  306.189204]  ? preempt_schedule+0x4d/0x60
[  306.193359]  ? ___preempt_schedule+0x16/0x18
[  306.197781]  ? bpf_test_run+0x1c0/0x5a0
[  306.201773]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.206237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.211780]  ? bpf_test_init.isra.9+0x70/0x100
[  306.216377]  ? bpf_prog_test_run_skb+0x634/0xb40
[  306.221139]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.225985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.231524]  ? fput+0x130/0x1a0
[  306.234806]  ? __bpf_prog_get+0x9b/0x290
[  306.238969]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.243824]  ? bpf_prog_test_run+0x130/0x1a0
[  306.248239]  ? __x64_sys_bpf+0x3d8/0x510
[  306.252304]  ? bpf_prog_get+0x20/0x20
[  306.256118]  ? ksys_ioctl+0x81/0xd0
[  306.259756]  ? do_syscall_64+0x1b9/0x820
[  306.263827]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.269195]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.274131]  ? trace_hardirqs_off+0x300/0x300
[  306.278628]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.283648]  ? recalc_sigpending_tsk+0x180/0x180
[  306.288404]  ? kasan_check_write+0x14/0x20
[  306.292647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.297501]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.302887] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  306.302980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.309821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.309830] Call Trace:
[  306.316455] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.325676]  <IRQ>
[  306.328248] syz-executor2 cpuset=
[  306.338737]  dump_stack+0x1c4/0x2b4
[  306.340860] syz2
[  306.344403]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.348014]  mems_allowed=0
[  306.349996]  warn_alloc.cold.118+0xb7/0x1bd
[  306.362395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.367243]  ? lock_downgrade+0x900/0x900
[  306.371398]  ? trace_hardirqs_off+0xb8/0x300
[  306.375823]  ? trace_hardirqs_off+0xb8/0x300
[  306.380251]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.385125]  ? warn_alloc+0x120/0x120
[  306.388931]  ? trace_hardirqs_on+0x310/0x310
[  306.393349]  ? warn_alloc+0x120/0x120
[  306.397160]  ? print_usage_bug+0xc0/0xc0
[  306.401226]  ? warn_alloc+0x120/0x120
[  306.405028]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  306.410046]  ? print_usage_bug+0xc0/0xc0
[  306.414109]  ? __lock_acquire+0x7ec/0x4ec0
[  306.418342]  ? __lock_acquire+0x7ec/0x4ec0
[  306.422579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.428170]  ? should_fail+0x22d/0xd01
[  306.432065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.437178]  ? __lock_acquire+0x7ec/0x4ec0
[  306.441423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.446544]  ? __lock_acquire+0x7ec/0x4ec0
[  306.450782]  ? should_fail+0x22d/0xd01
[  306.454672]  ? print_usage_bug+0xc0/0xc0
[  306.458743]  ? mark_held_locks+0x130/0x130
[  306.463007]  ? mark_held_locks+0x130/0x130
[  306.467257]  ? graph_lock+0x170/0x170
[  306.471062]  ? print_usage_bug+0xc0/0xc0
[  306.475127]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.479895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.485448]  ? check_preemption_disabled+0x48/0x200
[  306.490484]  ? check_preemption_disabled+0x48/0x200
[  306.495524]  ? __lock_is_held+0xb5/0x140
[  306.499596]  __alloc_pages_nodemask+0xa80/0xde0
[  306.504265]  ? graph_lock+0x170/0x170
[  306.508072]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.513090]  ? graph_lock+0x170/0x170
[  306.516911]  ? find_held_lock+0x36/0x1c0
[  306.520986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.525665]  ? lock_downgrade+0x900/0x900
[  306.529829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.535388]  cache_grow_begin+0x91/0x8c0
[  306.539458]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.543898]  fallback_alloc+0x203/0x2e0
[  306.547885]  ____cache_alloc_node+0x1c7/0x1e0
[  306.552392]  kmem_cache_alloc_node+0xe3/0x730
[  306.556892]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.561141]  __alloc_skb+0x119/0x770
[  306.564866]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.570147]  ? skb_scrub_packet+0x490/0x490
[  306.574469]  ? lock_downgrade+0x900/0x900
[  306.578629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.584167]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.589627]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.595083]  ? addrconf_rs_timer+0x6f0/0x6f0
[  306.599505]  ndisc_alloc_skb+0x144/0x340
[  306.603576]  ndisc_send_rs+0x331/0x6e0
[  306.607473]  addrconf_rs_timer+0x3c0/0x6f0
[  306.611727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.615980]  call_timer_fn+0x272/0x920
[  306.619869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.624105]  ? process_timeout+0x40/0x40
[  306.628164]  ? find_held_lock+0x36/0x1c0
[  306.632234]  ? mark_held_locks+0xc7/0x130
[  306.636405]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.640904]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.645402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.649637]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  306.654228]  ? trace_hardirqs_on+0xbd/0x310
[  306.658550]  ? kasan_check_read+0x11/0x20
[  306.662719]  ? __run_timers+0x7da/0xc70
[  306.666697]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.672156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.676402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.680642]  __run_timers+0x7e5/0xc70
[  306.684457]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.689829]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.694859]  ? graph_lock+0x170/0x170
[  306.698670]  ? print_usage_bug+0xc0/0xc0
[  306.702731]  ? lock_release+0x970/0x970
[  306.706710]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.711910]  ? find_held_lock+0x36/0x1c0
[  306.715984]  ? graph_lock+0x170/0x170
[  306.719790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.725337]  ? check_preemption_disabled+0x48/0x200
[  306.730367]  ? __lock_is_held+0xb5/0x140
[  306.734432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.739980]  ? check_preemption_disabled+0x48/0x200
[  306.745009]  run_timer_softirq+0x52/0xb0
[  306.749077]  ? rcu_read_lock_sched_held+0x108/0x120
[  306.754098]  __do_softirq+0x30b/0xad8
[  306.757910]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.763110]  ? pvclock_read_flags+0x160/0x160
[  306.767608]  ? lapic_next_event+0x5a/0x90
[  306.771759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.777324]  ? check_preemption_disabled+0x48/0x200
[  306.782343]  ? check_preemption_disabled+0x48/0x200
[  306.787372]  ? kvm_clock_read+0x18/0x30
[  306.791347]  ? kvm_sched_clock_read+0x9/0x20
[  306.795769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.801315]  ? check_preemption_disabled+0x48/0x200
[  306.806347]  irq_exit+0x17f/0x1c0
[  306.809809]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.814670]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.820560]  ? interrupt_entry+0xb5/0xf0
[  306.824626]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.829648]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.834672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.839517]  ? trace_hardirqs_off+0x300/0x300
[  306.844014]  ? trace_hardirqs_off+0x300/0x300
[  306.848517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.854056]  ? check_preemption_disabled+0x48/0x200
[  306.859074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.864623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.869487]  apic_timer_interrupt+0xf/0x20
[  306.873723]  </IRQ>
[  306.875963] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  306.881247] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  306.900162] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  306.907884] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  306.915157] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  306.922428] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  306.929881] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  306.937154] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  306.944448]  ? arch_local_irq_restore+0x45/0x52
[  306.949126]  dump_stack+0x26a/0x2b4
[  306.952760]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.957956]  ? mark_held_locks+0x130/0x130
[  306.962191]  ? mark_held_locks+0x130/0x130
[  306.966432]  dump_header+0x27b/0xf72
[  306.970158]  ? pagefault_out_of_memory+0x197/0x197
[  306.975098]  ? mark_held_locks+0x130/0x130
[  306.979336]  ? __lock_acquire+0x7ec/0x4ec0
[  306.983578]  ? mem_cgroup_charge_statistics+0x780/0x780
[  306.988953]  ? print_usage_bug+0xc0/0xc0
[  306.993015]  ? print_usage_bug+0xc0/0xc0
[  306.997085]  ? graph_lock+0x170/0x170
[  307.000881]  ? graph_lock+0x170/0x170
[  307.004681]  ? print_usage_bug+0xc0/0xc0
[  307.008743]  ? print_usage_bug+0xc0/0xc0
[  307.012824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.018373]  ? find_held_lock+0x36/0x1c0
[  307.022443]  ? mark_held_locks+0xc7/0x130
[  307.026597]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.031700]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.036806]  ? lockdep_hardirqs_on+0x421/0x5c0
[  307.041403]  ? trace_hardirqs_on+0xbd/0x310
[  307.045755]  ? kasan_check_read+0x11/0x20
[  307.049917]  ? ___ratelimit+0x36f/0x655
[  307.053897]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.059348]  ? trace_hardirqs_on+0x310/0x310
[  307.063759]  ? lock_downgrade+0x900/0x900
[  307.067916]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.073023]  ? ___ratelimit+0xaa/0x655
[  307.077368]  ? idr_get_free+0xec0/0xec0
[  307.081358]  ? kasan_check_write+0x14/0x20
[  307.085596]  ? do_raw_spin_lock+0xc1/0x200
[  307.089869]  oom_kill_process.cold.27+0x10/0x903
[  307.094629]  ? graph_lock+0x170/0x170
[  307.098431]  ? _raw_spin_unlock+0x2c/0x50
[  307.102580]  ? oom_badness+0xe6/0xaa0
[  307.106388]  ? oom_evaluate_task+0x540/0x540
[  307.110802]  ? find_held_lock+0x36/0x1c0
[  307.114882]  ? out_of_memory+0x974/0x14c0
[  307.119032]  ? lock_downgrade+0x900/0x900
[  307.123181]  ? check_preemption_disabled+0x48/0x200
[  307.128203]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.134001]  ? kasan_check_read+0x11/0x20
[  307.138152]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.143429]  ? rcu_bh_qs+0xc0/0xc0
[  307.146976]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.151995]  ? oom_evaluate_task+0x302/0x540
[  307.156412]  out_of_memory+0xa86/0x14c0
[  307.160401]  ? oom_killer_disable+0x3a0/0x3a0
[  307.164897]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  307.169848]  ? __mutex_add_waiter+0x2a0/0x2a0
[  307.174359]  __alloc_pages_slowpath+0x2318/0x2d80
[  307.179233]  ? warn_alloc+0x120/0x120
[  307.183047]  ? find_get_entry+0x2f2/0xc40
[  307.187209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.192751]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  307.197679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.203219]  ? should_fail+0x22d/0xd01
[  307.207300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.212410]  ? __lock_is_held+0xb5/0x140
[  307.216497]  ? __lock_is_held+0xb5/0x140
[  307.220564]  ? find_held_lock+0x36/0x1c0
[  307.224631]  ? ___might_sleep+0x1ed/0x300
[  307.228782]  ? lock_release+0x970/0x970
[  307.232767]  ? arch_local_save_flags+0x40/0x40
[  307.237362]  ? __might_sleep+0x95/0x190
[  307.241347]  __alloc_pages_nodemask+0xa80/0xde0
[  307.246026]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.251044]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.256858]  ? kasan_check_read+0x11/0x20
[  307.261011]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.266291]  ? graph_lock+0x170/0x170
[  307.270091]  ? print_usage_bug+0xc0/0xc0
[  307.274157]  ? graph_lock+0x170/0x170
[  307.277960]  ? graph_lock+0x170/0x170
[  307.281764]  ? __do_page_cache_readahead+0x7ce/0x980
[  307.286879]  ? find_held_lock+0x36/0x1c0
[  307.290946]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  307.296487]  alloc_pages_current+0x10c/0x210
[  307.300894]  ? lock_downgrade+0x900/0x900
[  307.305054]  __page_cache_alloc+0x38f/0x5b0
[  307.309414]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.315211]  ? kasan_check_read+0x11/0x20
[  307.319364]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.324644]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  307.329318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.334869]  ? check_preemption_disabled+0x48/0x200
[  307.339896]  filemap_fault+0x1594/0x25f0
[  307.343977]  ? __lock_page_or_retry+0xa00/0xa00
[  307.348649]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.354449]  ? kasan_check_read+0x11/0x20
[  307.358596]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.363875]  ? rcu_bh_qs+0xc0/0xc0
[  307.367429]  ? filemap_map_pages+0xdea/0x1980
[  307.371933]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.377043]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  307.382320]  ? debug_object_free+0x325/0x690
[  307.386737]  ? find_get_pages_range_tag+0x1320/0x1320
[  307.391933]  ? graph_lock+0x170/0x170
[  307.395745]  ? kasan_check_read+0x11/0x20
[  307.399898]  ? debug_object_destroy+0x2b0/0x2b0
[  307.404583]  ? lock_acquire+0x1ed/0x520
[  307.408562]  ? ext4_filemap_fault+0x7a/0xad
[  307.412893]  ? lock_release+0x970/0x970
[  307.416871]  ? arch_local_save_flags+0x40/0x40
[  307.421463]  ? futex_wait_setup+0x3e0/0x3e0
[  307.425800]  ? down_read+0xb0/0x1d0
[  307.429438]  ? ext4_filemap_fault+0x7a/0xad
[  307.433764]  ? __down_interruptible+0x700/0x700
[  307.438457]  ext4_filemap_fault+0x82/0xad
[  307.442613]  __do_fault+0x100/0x6b0
[  307.446245]  ? print_bad_pte+0x6c0/0x6c0
[  307.450308]  ? do_futex+0x249/0x26d0
[  307.454031]  ? pmd_val+0x88/0x100
[  307.457489]  ? add_mm_counter_fast+0xd0/0xd0
[  307.461896]  ? pmd_val+0x88/0x100
[  307.465349]  ? add_mm_counter_fast+0xd0/0xd0
[  307.469767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.475310]  __handle_mm_fault+0x3709/0x53e0
[  307.479732]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  307.484598]  ? graph_lock+0x170/0x170
[  307.488405]  ? print_usage_bug+0xc0/0xc0
[  307.492469]  ? graph_lock+0x170/0x170
[  307.496277]  ? graph_lock+0x170/0x170
[  307.500100]  ? handle_mm_fault+0x42a/0xc70
[  307.504337]  ? lock_downgrade+0x900/0x900
[  307.508488]  ? check_preemption_disabled+0x48/0x200
[  307.513515]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.519313]  ? kasan_check_read+0x11/0x20
[  307.523461]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.528741]  ? rcu_bh_qs+0xc0/0xc0
[  307.532281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.537739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.543283]  ? check_preemption_disabled+0x48/0x200
[  307.548309]  handle_mm_fault+0x54f/0xc70
[  307.552377]  ? __handle_mm_fault+0x53e0/0x53e0
[  307.556966]  ? find_vma+0x34/0x190
[  307.560516]  __do_page_fault+0x67d/0xed0
[  307.564587]  ? mm_fault_error+0x380/0x380
[  307.568737]  ? trace_hardirqs_off+0xb8/0x300
[  307.573145]  ? trace_hardirqs_on+0x310/0x310
[  307.577560]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  307.582930]  ? trace_hardirqs_on+0x310/0x310
[  307.587345]  do_page_fault+0xf2/0x7e0
[  307.591150]  ? vmalloc_sync_all+0x30/0x30
[  307.595302]  ? error_entry+0x70/0xd0
[  307.599023]  ? trace_hardirqs_off_caller+0xbb/0x300
[  307.604043]  ? trace_hardirqs_on_caller+0xc0/0x300
[  307.608972]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.613903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.618748]  ? trace_hardirqs_off+0x300/0x300
[  307.623242]  ? trace_hardirqs_off_caller+0x300/0x300
[  307.628356]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.633383]  ? page_fault+0x8/0x30
[  307.636934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.641780]  ? page_fault+0x8/0x30
[  307.645329]  page_fault+0x1e/0x30
[  307.648783] RIP: 0033:0x40f9c0
[  307.651986] Code: Bad RIP value.
[  307.655348] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  307.660714] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  307.667979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  307.675244] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  307.682510] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  307.689780] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  307.697078] warn_alloc_show_mem: 1 callbacks suppressed
[  307.697090] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  307.697092] Mem-Info:
[  307.697123] active_anon:52539 inactive_anon:923 isolated_anon:0
[  307.697123]  active_file:16 inactive_file:19 isolated_file:0
[  307.697123]  unevictable:0 dirty:0 writeback:0 unstable:0
[  307.697123]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  307.697123]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  307.697123]  free:13650 free_pcp:205 free_cma:0
[  307.702457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.702467] Call Trace:
[  307.709746] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  307.712144]  <IRQ>
[  307.745102] Node 0 
[  307.754471]  dump_stack+0x1c4/0x2b4
[  307.757049] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.784788]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.786913] lowmem_reserve[]:
[  307.789154]  warn_alloc.cold.118+0xb7/0x1bd
[  307.792743]  0
[  307.818244]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.823402]  2817 6321
[  307.826513]  ? lock_downgrade+0x900/0x900
[  307.830809]  6321
[  307.832624]  ? trace_hardirqs_off+0xb8/0x300
[  307.837435] Node 0 
[  307.839929]  ? trace_hardirqs_off+0xb8/0x300
[  307.844072] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.846111]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.850481] lowmem_reserve[]: 0
[  307.852744]  ? warn_alloc+0x120/0x120
[  307.857101]  0
[  307.884077]  ? trace_hardirqs_on+0x310/0x310
[  307.888891]  3503
[  307.892162]  ? warn_alloc+0x120/0x120
[  307.895936]  3503
[  307.897735]  ? print_usage_bug+0xc0/0xc0
[  307.902119] Node 0 
[  307.904176]  ? warn_alloc+0x120/0x120
[  307.907980] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  307.910013]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  307.914039] lowmem_reserve[]: 0
[  307.916277]  ? print_usage_bug+0xc0/0xc0
[  307.920059]  0
[  307.948426]  ? __lock_acquire+0x7ec/0x4ec0
[  307.953416]  0
[  307.956687]  ? __lock_acquire+0x7ec/0x4ec0
[  307.960829]  0
[  307.962640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.966856] Node 0 
[  307.968656]  ? should_fail+0x22d/0xd01
[  307.972862] DMA: 
[  307.974659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.980170] 1*4kB 
[  307.982406]  ? __lock_acquire+0x7ec/0x4ec0
[  307.986264] (U) 
[  307.988323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.993394] 0*8kB 0*16kB 
[  307.995551]  ? __lock_acquire+0x7ec/0x4ec0
[  307.999751] 1*32kB (U) 
[  308.001731]  ? should_fail+0x22d/0xd01
[  308.006800] 2*64kB (U) 
[  308.009566]  ? print_usage_bug+0xc0/0xc0
[  308.013775] 1*128kB 
[  308.016362]  ? mark_held_locks+0x130/0x130
[  308.020215] (U) 
[  308.022791]  ? mark_held_locks+0x130/0x130
[  308.026832] 1*256kB 
[  308.029151]  ? graph_lock+0x170/0x170
[  308.033353] (U) 
[  308.035330]  ? print_usage_bug+0xc0/0xc0
[  308.039538] 0*512kB 
[  308.041855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.041874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.045650] 1*1024kB 
[  308.047625]  ? check_preemption_disabled+0x48/0x200
[  308.051658] (U) 
[  308.053977]  ? check_preemption_disabled+0x48/0x200
[  308.058699] 1*2048kB (M) 
[  308.064251]  ? __lock_is_held+0xb5/0x140
[  308.066632] 3*4096kB 
[  308.071642]  __alloc_pages_nodemask+0xa80/0xde0
[  308.073592] (M) 
[  308.078600]  ? graph_lock+0x170/0x170
[  308.081329] = 15908kB
[  308.081343] Node 0 
[  308.085397]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.087782] DMA32: 
[  308.092444]  ? graph_lock+0x170/0x170
[  308.094397] 2*4kB 
[  308.098204]  ? find_held_lock+0x36/0x1c0
[  308.100630] (M) 
[  308.102868]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.107859] 1*8kB 
[  308.110089]  ? lock_downgrade+0x900/0x900
[  308.113872] (U) 
[  308.116022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.120053] 4*16kB 
[  308.122031]  cache_grow_begin+0x91/0x8c0
[  308.126669] (UM) 
[  308.128826]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.132947] 2*32kB (UM) 
[  308.134935]  fallback_alloc+0x203/0x2e0
[  308.140434] 3*64kB (UM) 
[  308.142677]  ____cache_alloc_node+0x1c7/0x1e0
[  308.146737] 4*128kB (UM) 
[  308.148942]  kmem_cache_alloc_node+0xe3/0x730
[  308.153324] 2*256kB 
[  308.155995]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.159935] (M) 4*512kB 
[  308.162618]  __alloc_skb+0x119/0x770
[  308.167081] (UM) 
[  308.169844]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.174314] 3*1024kB 
[  308.176631]  ? skb_scrub_packet+0x490/0x490
[  308.180843] (M) 
[  308.183512]  ? lock_downgrade+0x900/0x900
[  308.187196] 1*2048kB (M) 
[  308.189266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.194508] 4*4096kB (M) 
[  308.196944]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.201239] = 24912kB
[  308.203209]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.207333] Node 0 
[  308.210090]  ? addrconf_rs_timer+0x6f0/0x6f0
[  308.215591] Normal: 2389*4kB 
[  308.218366]  ndisc_alloc_skb+0x144/0x340
[  308.223775] (UME) 
[  308.226186]  ndisc_send_rs+0x331/0x6e0
[  308.231604] 378*8kB (UME) 
[  308.233860]  addrconf_rs_timer+0x3c0/0x6f0
[  308.238245] 73*16kB 
[  308.241396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.245423] (UM) 1*32kB 
[  308.247586]  call_timer_fn+0x272/0x920
[  308.251438] (U) 
[  308.254278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.258489] 0*64kB 
[  308.260805]  ? process_timeout+0x40/0x40
[  308.265020] 0*128kB 
[  308.267682]  ? find_held_lock+0x36/0x1c0
[  308.271542] 0*256kB 0*512kB 
[  308.273541]  ? __run_timers+0x7da/0xc70
[  308.277749] 0*1024kB 
[  308.279982]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.284018] 0*2048kB 
[  308.286333]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.290370] 0*4096kB 
[  308.293379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.297330] = 13780kB
[  308.299737]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  308.304214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.306614]  ? trace_hardirqs_on+0xbd/0x310
[  308.311090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.313492]  ? kasan_check_read+0x11/0x20
[  308.317701] 4510 total pagecache pages
[  308.320103]  ? __run_timers+0x7da/0xc70
[  308.324666] 0 pages in swap cache
[  308.333488]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.337786] Swap cache stats: add 0, delete 0, find 0/0
[  308.346357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.350471] Free swap  = 0kB
[  308.354355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.358295] Total swap = 0kB
[  308.361747]  __run_timers+0x7e5/0xc70
[  308.367171] 1965979 pages RAM
[  308.372538]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.376732] 0 pages HighMem/MovableOnly
[  308.376740] 342744 pages reserved
[  308.379758]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.383960] 0 pages cma reserved
[  308.384063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.386982]  ? rcu_bh_qs+0xc0/0xc0
[  308.390832] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.393861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.399196] syz-fuzzer cpuset=
[  308.403165]  ? check_preemption_disabled+0x48/0x200
[  308.406599] /
[  308.411875]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.415217]  mems_allowed=0
[  308.421703]  ? retint_kernel+0x2d/0x2d
[  308.462408]  ? trace_hardirqs_on_caller+0xc0/0x300
[  308.467349]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.472107]  ? trace_hardirqs_off_caller+0x300/0x300
[  308.477212]  ? check_preemption_disabled+0x48/0x200
[  308.482233]  ? graph_lock+0x170/0x170
[  308.486038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.491580]  ? check_preemption_disabled+0x48/0x200
[  308.496617]  ? __lock_is_held+0xb5/0x140
[  308.500684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.506225]  ? check_preemption_disabled+0x48/0x200
[  308.511250]  run_timer_softirq+0x52/0xb0
[  308.515311]  ? rcu_read_lock_sched_held+0x108/0x120
[  308.520334]  __do_softirq+0x30b/0xad8
[  308.524156]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.529266]  ? pvclock_read_flags+0x160/0x160
[  308.533765]  ? lapic_next_event+0x5a/0x90
[  308.537915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.543457]  ? check_preemption_disabled+0x48/0x200
[  308.548478]  ? check_preemption_disabled+0x48/0x200
[  308.553501]  ? kvm_clock_read+0x18/0x30
[  308.557476]  ? kvm_sched_clock_read+0x9/0x20
[  308.561893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.567436]  ? check_preemption_disabled+0x48/0x200
[  308.572465]  irq_exit+0x17f/0x1c0
[  308.575926]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.580770]  ? smp_reschedule_interrupt+0x109/0x650
[  308.585792]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.591682]  ? interrupt_entry+0xb5/0xf0
[  308.595745]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.600759]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.605778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.610624]  ? trace_hardirqs_off+0x300/0x300
[  308.615120]  ? trace_hardirqs_off+0x300/0x300
[  308.619617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.625159]  ? check_preemption_disabled+0x48/0x200
[  308.630179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.635733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.640588]  apic_timer_interrupt+0xf/0x20
[  308.644824]  </IRQ>
[  308.647067] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.652001] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  308.670908] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  308.678622] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  308.685893] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  308.693165] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  308.700433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  308.707707] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  308.715021]  skb_clone+0x1bb/0x500
[  308.718566]  ? finish_task_switch+0x2f5/0x900
[  308.723068]  ? skb_split+0x11e0/0x11e0
[  308.726962]  ? preempt_notifier_register+0x200/0x200
[  308.732067]  ? __switch_to_asm+0x34/0x70
[  308.736127]  ? __switch_to_asm+0x34/0x70
[  308.740186]  ? __switch_to_asm+0x40/0x70
[  308.744245]  ? __switch_to_asm+0x34/0x70
[  308.748303]  ? __switch_to_asm+0x40/0x70
[  308.752369]  ? __switch_to_asm+0x34/0x70
[  308.756431]  ? __switch_to_asm+0x40/0x70
[  308.760492]  ? __switch_to_asm+0x34/0x70
[  308.764557]  ? __switch_to_asm+0x34/0x70
[  308.768617]  ? __switch_to_asm+0x40/0x70
[  308.772674]  ? __switch_to_asm+0x34/0x70
[  308.776764]  bpf_clone_redirect+0xb9/0x490
[  308.781003]  ? __schedule+0x874/0x1ed0
[  308.784895]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  308.789912]  ? __sched_text_start+0x8/0x8
[  308.794062]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.798841]  ? find_held_lock+0x36/0x1c0
[  308.802910]  ? lock_acquire+0x1ed/0x520
[  308.806884]  ? bpf_test_run+0x32e/0x5a0
[  308.810862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.816408]  ? check_preemption_disabled+0x48/0x200
[  308.821430]  ? kasan_check_read+0x11/0x20
[  308.825582]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.830862]  ? rcu_bh_qs+0xc0/0xc0
[  308.834407]  ? preempt_schedule+0x4d/0x60
[  308.838558]  ? ___preempt_schedule+0x16/0x18
[  308.842980]  ? bpf_test_run+0x1c0/0x5a0
[  308.846963]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.851377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.856913]  ? bpf_test_init.isra.9+0x70/0x100
[  308.861502]  ? bpf_prog_test_run_skb+0x634/0xb40
[  308.866267]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.871112]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.876646]  ? fput+0x130/0x1a0
[  308.879927]  ? __bpf_prog_get+0x9b/0x290
[  308.883990]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.888838]  ? bpf_prog_test_run+0x130/0x1a0
[  308.893253]  ? __x64_sys_bpf+0x3d8/0x510
[  308.897315]  ? bpf_prog_get+0x20/0x20
[  308.901130]  ? ksys_ioctl+0x81/0xd0
[  308.904769]  ? do_syscall_64+0x1b9/0x820
[  308.908839]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.914210]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.919147]  ? trace_hardirqs_off+0x300/0x300
[  308.923649]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.928752]  ? recalc_sigpending_tsk+0x180/0x180
[  308.933509]  ? kasan_check_write+0x14/0x20
[  308.937751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.942604]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.947989] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  308.948068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.954916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.954922] Call Trace:
[  308.954929]  <IRQ>
[  308.954945]  dump_stack+0x1c4/0x2b4
[  308.954965]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.961501] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.970798]  warn_alloc.cold.118+0xb7/0x1bd
[  308.973355] syz-executor2 cpuset=
[  308.975497]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.979095] syz2
[  308.984282]  ? lock_downgrade+0x900/0x900
[  308.994744]  mems_allowed=0
[  308.999063]  ? trace_hardirqs_off+0xb8/0x300
[  309.020714]  ? trace_hardirqs_off+0xb8/0x300
[  309.025134]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.030007]  ? warn_alloc+0x120/0x120
[  309.033810]  ? graph_lock+0x170/0x170
[  309.037630]  ? warn_alloc+0x120/0x120
[  309.041435]  ? print_usage_bug+0xc0/0xc0
[  309.045496]  ? warn_alloc+0x120/0x120
[  309.049301]  ? print_usage_bug+0xc0/0xc0
[  309.053368]  ? __lock_acquire+0x7ec/0x4ec0
[  309.057605]  ? __lock_acquire+0x7ec/0x4ec0
[  309.061854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.067394]  ? should_fail+0x22d/0xd01
[  309.071290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.076861]  ? __lock_acquire+0x7ec/0x4ec0
[  309.081103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.086203]  ? __lock_acquire+0x7ec/0x4ec0
[  309.090436]  ? should_fail+0x22d/0xd01
[  309.094332]  ? mark_held_locks+0x130/0x130
[  309.098575]  ? mark_held_locks+0x130/0x130
[  309.102820]  ? graph_lock+0x170/0x170
[  309.106624]  ? graph_lock+0x170/0x170
[  309.110426]  ? graph_lock+0x170/0x170
[  309.114223]  ? print_usage_bug+0xc0/0xc0
[  309.118287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.123832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.129378]  ? check_preemption_disabled+0x48/0x200
[  309.134394]  ? check_preemption_disabled+0x48/0x200
[  309.139421]  ? __lock_is_held+0xb5/0x140
[  309.143493]  __alloc_pages_nodemask+0xa80/0xde0
[  309.148161]  ? graph_lock+0x170/0x170
[  309.151966]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.156983]  ? graph_lock+0x170/0x170
[  309.160797]  ? find_held_lock+0x36/0x1c0
[  309.164885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.169583]  ? lock_downgrade+0x900/0x900
[  309.173743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.179288]  cache_grow_begin+0x91/0x8c0
[  309.183349]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.187769]  fallback_alloc+0x203/0x2e0
[  309.191755]  ____cache_alloc_node+0x1c7/0x1e0
[  309.196260]  kmem_cache_alloc_node+0xe3/0x730
[  309.200760]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.205111]  __alloc_skb+0x119/0x770
[  309.208830]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.214122]  ? skb_scrub_packet+0x490/0x490
[  309.218445]  ? lock_downgrade+0x900/0x900
[  309.222604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.228146]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.233606]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.239065]  ? addrconf_rs_timer+0x6f0/0x6f0
[  309.243487]  ndisc_alloc_skb+0x144/0x340
[  309.247556]  ndisc_send_rs+0x331/0x6e0
[  309.251455]  addrconf_rs_timer+0x3c0/0x6f0
[  309.255701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.259951]  call_timer_fn+0x272/0x920
[  309.263855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.268092]  ? process_timeout+0x40/0x40
[  309.272151]  ? find_held_lock+0x36/0x1c0
[  309.276222]  ? mark_held_locks+0xc7/0x130
[  309.280375]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.284870]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.289362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.293600]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  309.298188]  ? trace_hardirqs_on+0xbd/0x310
[  309.302509]  ? kasan_check_read+0x11/0x20
[  309.306655]  ? __run_timers+0x7da/0xc70
[  309.310632]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.316085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.320324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.324558]  __run_timers+0x7e5/0xc70
[  309.328371]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.333738]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.338764]  ? graph_lock+0x170/0x170
[  309.342587]  ? print_usage_bug+0xc0/0xc0
[  309.346648]  ? lock_release+0x970/0x970
[  309.350627]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.355834]  ? find_held_lock+0x36/0x1c0
[  309.359907]  ? graph_lock+0x170/0x170
[  309.363717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.369258]  ? check_preemption_disabled+0x48/0x200
[  309.374290]  ? __lock_is_held+0xb5/0x140
[  309.378355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.383896]  ? check_preemption_disabled+0x48/0x200
[  309.388921]  run_timer_softirq+0x52/0xb0
[  309.392983]  ? rcu_read_lock_sched_held+0x108/0x120
[  309.398008]  __do_softirq+0x30b/0xad8
[  309.401829]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.406947]  ? pvclock_read_flags+0x160/0x160
[  309.411443]  ? lapic_next_event+0x5a/0x90
[  309.415596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.421138]  ? check_preemption_disabled+0x48/0x200
[  309.426156]  ? check_preemption_disabled+0x48/0x200
[  309.431182]  ? kvm_clock_read+0x18/0x30
[  309.435159]  ? kvm_sched_clock_read+0x9/0x20
[  309.439577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.445123]  ? check_preemption_disabled+0x48/0x200
[  309.450152]  irq_exit+0x17f/0x1c0
[  309.453610]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.458457]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.464343]  ? interrupt_entry+0xb5/0xf0
[  309.468422]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.473435]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.478455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.483299]  ? trace_hardirqs_off+0x300/0x300
[  309.487793]  ? trace_hardirqs_off+0x300/0x300
[  309.492295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.497864]  ? check_preemption_disabled+0x48/0x200
[  309.502880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.508426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.513278]  apic_timer_interrupt+0xf/0x20
[  309.517508]  </IRQ>
[  309.519749] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  309.525028] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  309.543936] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  309.551649] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  309.558915] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  309.566181] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  309.573450] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  309.580720] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  309.588013]  ? arch_local_irq_restore+0x45/0x52
[  309.592688]  dump_stack+0x26a/0x2b4
[  309.596322]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.601514]  ? mark_held_locks+0x130/0x130
[  309.605746]  ? mark_held_locks+0x130/0x130
[  309.609986]  dump_header+0x27b/0xf72
[  309.613715]  ? pagefault_out_of_memory+0x197/0x197
[  309.618649]  ? mark_held_locks+0x130/0x130
[  309.622883]  ? __lock_acquire+0x7ec/0x4ec0
[  309.627121]  ? mem_cgroup_charge_statistics+0x780/0x780
[  309.632485]  ? print_usage_bug+0xc0/0xc0
[  309.636551]  ? print_usage_bug+0xc0/0xc0
[  309.640621]  ? graph_lock+0x170/0x170
[  309.644422]  ? graph_lock+0x170/0x170
[  309.648224]  ? print_usage_bug+0xc0/0xc0
[  309.652284]  ? print_usage_bug+0xc0/0xc0
[  309.656358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.661900]  ? find_held_lock+0x36/0x1c0
[  309.665972]  ? mark_held_locks+0xc7/0x130
[  309.670124]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.675231]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.680337]  ? lockdep_hardirqs_on+0x421/0x5c0
[  309.684923]  ? trace_hardirqs_on+0xbd/0x310
[  309.689245]  ? kasan_check_read+0x11/0x20
[  309.693398]  ? ___ratelimit+0x36f/0x655
[  309.697376]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.702843]  ? trace_hardirqs_on+0x310/0x310
[  309.707257]  ? lock_downgrade+0x900/0x900
[  309.711411]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.716517]  ? ___ratelimit+0xaa/0x655
[  309.720405]  ? idr_get_free+0xec0/0xec0
[  309.724388]  ? kasan_check_write+0x14/0x20
[  309.728627]  ? do_raw_spin_lock+0xc1/0x200
[  309.732876]  oom_kill_process.cold.27+0x10/0x903
[  309.737635]  ? graph_lock+0x170/0x170
[  309.741433]  ? _raw_spin_unlock+0x2c/0x50
[  309.745583]  ? oom_badness+0xe6/0xaa0
[  309.749393]  ? oom_evaluate_task+0x540/0x540
[  309.753807]  ? find_held_lock+0x36/0x1c0
[  309.757889]  ? out_of_memory+0x974/0x14c0
[  309.762038]  ? lock_downgrade+0x900/0x900
[  309.766187]  ? check_preemption_disabled+0x48/0x200
[  309.771247]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.777045]  ? kasan_check_read+0x11/0x20
[  309.781195]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.786471]  ? rcu_bh_qs+0xc0/0xc0
[  309.790017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.795032]  ? oom_evaluate_task+0x302/0x540
[  309.799449]  out_of_memory+0xa86/0x14c0
[  309.803432]  ? oom_killer_disable+0x3a0/0x3a0
[  309.807939]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  309.812881]  ? __mutex_add_waiter+0x2a0/0x2a0
[  309.817390]  __alloc_pages_slowpath+0x2318/0x2d80
[  309.822263]  ? warn_alloc+0x120/0x120
[  309.826075]  ? find_get_entry+0x2f2/0xc40
[  309.830239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.835778]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  309.840708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.846247]  ? should_fail+0x22d/0xd01
[  309.850139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.855246]  ? __lock_is_held+0xb5/0x140
[  309.859333]  ? __lock_is_held+0xb5/0x140
[  309.863405]  ? find_held_lock+0x36/0x1c0
[  309.867490]  ? ___might_sleep+0x1ed/0x300
[  309.871639]  ? lock_release+0x970/0x970
[  309.875629]  ? arch_local_save_flags+0x40/0x40
[  309.880227]  ? __might_sleep+0x95/0x190
[  309.884211]  __alloc_pages_nodemask+0xa80/0xde0
[  309.888891]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.893909]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.899713]  ? kasan_check_read+0x11/0x20
[  309.903869]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.909153]  ? graph_lock+0x170/0x170
[  309.912962]  ? print_usage_bug+0xc0/0xc0
[  309.917025]  ? graph_lock+0x170/0x170
[  309.920833]  ? graph_lock+0x170/0x170
[  309.924655]  ? __do_page_cache_readahead+0x7ce/0x980
[  309.929764]  ? find_held_lock+0x36/0x1c0
[  309.933848]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  309.939395]  alloc_pages_current+0x10c/0x210
[  309.943805]  ? lock_downgrade+0x900/0x900
[  309.947987]  __page_cache_alloc+0x38f/0x5b0
[  309.952316]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.958117]  ? kasan_check_read+0x11/0x20
[  309.962270]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.967553]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  309.972224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.977766]  ? check_preemption_disabled+0x48/0x200
[  309.982789]  filemap_fault+0x1594/0x25f0
[  309.986875]  ? __lock_page_or_retry+0xa00/0xa00
[  309.991565]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.997374]  ? kasan_check_read+0x11/0x20
[  310.001536]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.006826]  ? rcu_bh_qs+0xc0/0xc0
[  310.010390]  ? filemap_map_pages+0xdea/0x1980
[  310.014893]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.020002]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  310.025279]  ? debug_object_free+0x325/0x690
[  310.029689]  ? find_get_pages_range_tag+0x1320/0x1320
[  310.034884]  ? graph_lock+0x170/0x170
[  310.038697]  ? kasan_check_read+0x11/0x20
[  310.042860]  ? debug_object_destroy+0x2b0/0x2b0
[  310.047544]  ? lock_acquire+0x1ed/0x520
[  310.051517]  ? ext4_filemap_fault+0x7a/0xad
[  310.055859]  ? lock_release+0x970/0x970
[  310.059852]  ? arch_local_save_flags+0x40/0x40
[  310.064440]  ? futex_wait_setup+0x3e0/0x3e0
[  310.068774]  ? down_read+0xb0/0x1d0
[  310.072403]  ? ext4_filemap_fault+0x7a/0xad
[  310.076729]  ? __down_interruptible+0x700/0x700
[  310.081420]  ext4_filemap_fault+0x82/0xad
[  310.085572]  __do_fault+0x100/0x6b0
[  310.089206]  ? print_bad_pte+0x6c0/0x6c0
[  310.093270]  ? do_futex+0x249/0x26d0
[  310.096986]  ? pmd_val+0x88/0x100
[  310.100440]  ? add_mm_counter_fast+0xd0/0xd0
[  310.104859]  ? pmd_val+0x88/0x100
[  310.108315]  ? add_mm_counter_fast+0xd0/0xd0
[  310.112732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.118284]  __handle_mm_fault+0x3709/0x53e0
[  310.122705]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  310.127551]  ? graph_lock+0x170/0x170
[  310.131354]  ? print_usage_bug+0xc0/0xc0
[  310.135417]  ? graph_lock+0x170/0x170
[  310.139219]  ? graph_lock+0x170/0x170
[  310.143040]  ? handle_mm_fault+0x42a/0xc70
[  310.147279]  ? lock_downgrade+0x900/0x900
[  310.151429]  ? check_preemption_disabled+0x48/0x200
[  310.156452]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  310.162355]  ? kasan_check_read+0x11/0x20
[  310.166550]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.171857]  ? rcu_bh_qs+0xc0/0xc0
[  310.175398]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.180861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.186407]  ? check_preemption_disabled+0x48/0x200
[  310.191433]  handle_mm_fault+0x54f/0xc70
[  310.195501]  ? __handle_mm_fault+0x53e0/0x53e0
[  310.200086]  ? find_vma+0x34/0x190
[  310.203632]  __do_page_fault+0x67d/0xed0
[  310.207704]  ? mm_fault_error+0x380/0x380
[  310.211858]  ? trace_hardirqs_off+0xb8/0x300
[  310.216267]  ? trace_hardirqs_on+0x310/0x310
[  310.220677]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  310.226044]  ? trace_hardirqs_on+0x310/0x310
[  310.230460]  do_page_fault+0xf2/0x7e0
[  310.234291]  ? vmalloc_sync_all+0x30/0x30
[  310.238438]  ? error_entry+0x70/0xd0
[  310.242154]  ? trace_hardirqs_off_caller+0xbb/0x300
[  310.247168]  ? trace_hardirqs_on_caller+0xc0/0x300
[  310.252099]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.257031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.261875]  ? trace_hardirqs_off+0x300/0x300
[  310.266371]  ? trace_hardirqs_off_caller+0x300/0x300
[  310.271480]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.276503]  ? page_fault+0x8/0x30
[  310.280048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.284895]  ? page_fault+0x8/0x30
[  310.288441]  page_fault+0x1e/0x30
[  310.291911] RIP: 0033:0x40f9c0
[  310.295119] Code: Bad RIP value.
[  310.298479] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  310.303929] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  310.311198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  310.318468] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  310.325737] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  310.333004] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  310.340295] warn_alloc_show_mem: 1 callbacks suppressed
[  310.340307] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  310.340309] Mem-Info:
[  310.340340] active_anon:52539 inactive_anon:923 isolated_anon:0
[  310.340340]  active_file:16 inactive_file:19 isolated_file:0
[  310.340340]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.340340]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  310.340340]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  310.340340]  free:13650 free_pcp:205 free_cma:0
[  310.345681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.345689] Call Trace:
[  310.352976] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.355377]  <IRQ>
[  310.388335] Node 0 
[  310.397696]  dump_stack+0x1c4/0x2b4
[  310.400278] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.428020]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.430145] lowmem_reserve[]:
[  310.432386]  warn_alloc.cold.118+0xb7/0x1bd
[  310.435974]  0 2817
[  310.461504]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.466667]  6321
[  310.469786]  ? lock_downgrade+0x900/0x900
[  310.474080]  6321
[  310.476313]  ? trace_hardirqs_off+0xb8/0x300
[  310.481146] Node 0 
[  310.483212]  ? trace_hardirqs_off+0xb8/0x300
[  310.487359] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.489399]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.493786] lowmem_reserve[]:
[  310.496043]  ? warn_alloc+0x120/0x120
[  310.500402]  0
[  310.527476]  ? warn_alloc+0x120/0x120
[  310.532297]  0
[  310.535400]  ? print_usage_bug+0xc0/0xc0
[  310.539172]  3503
[  310.540970]  ? warn_alloc+0x120/0x120
[  310.544735]  3503
[  310.546538]  ? print_usage_bug+0xc0/0xc0
[  310.550572] Node 0 
[  310.552629]  ? __lock_acquire+0x7ec/0x4ec0
[  310.556436] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  310.558468]  ? __lock_acquire+0x7ec/0x4ec0
[  310.562498] lowmem_reserve[]: 0
[  310.564763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.568970]  0
[  310.597335]  ? should_fail+0x22d/0xd01
[  310.601559]  0
[  310.604846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.610359]  0
[  310.612167]  ? __lock_acquire+0x7ec/0x4ec0
[  310.616027] Node 0 
[  310.617831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.622904] DMA: 1*4kB 
[  310.624707]  ? __lock_acquire+0x7ec/0x4ec0
[  310.628915] (U) 
[  310.631147]  ? should_fail+0x22d/0xd01
[  310.636223] 0*8kB 
[  310.638808]  ? mark_held_locks+0x130/0x130
[  310.643011] 0*16kB 1*32kB 
[  310.644990]  ? mark_held_locks+0x130/0x130
[  310.648854] (U) 
[  310.650996]  ? graph_lock+0x170/0x170
[  310.655199] 2*64kB (U) 
[  310.658042]  ? graph_lock+0x170/0x170
[  310.662247] 1*128kB (U) 
[  310.664224]  ? graph_lock+0x170/0x170
[  310.667999] 1*256kB 
[  310.670578]  ? print_usage_bug+0xc0/0xc0
[  310.674356] (U) 
[  310.677036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.680808] 0*512kB 
[  310.683135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.687164] 1*1024kB (U) 
[  310.689145]  ? check_preemption_disabled+0x48/0x200
[  310.694649] 1*2048kB (M) 
[  310.696978]  ? check_preemption_disabled+0x48/0x200
[  310.702481] 3*4096kB (M) 
[  310.705248]  ? __lock_is_held+0xb5/0x140
[  310.710250] = 15908kB
[  310.713002]  __alloc_pages_nodemask+0xa80/0xde0
[  310.717989] Node 0 
[  310.720738]  ? graph_lock+0x170/0x170
[  310.724772] DMA32: 
[  310.727180]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.731830] 2*4kB 
[  310.734059]  ? graph_lock+0x170/0x170
[  310.737853] (M) 
[  310.740074]  ? find_held_lock+0x36/0x1c0
[  310.745051] 1*8kB (U) 
[  310.747211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.750974] 4*16kB (UM) 
[  310.752954]  ? lock_downgrade+0x900/0x900
[  310.756990] 2*32kB 
[  310.759488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.764125] (UM) 
[  310.766794]  cache_grow_begin+0x91/0x8c0
[  310.770916] 3*64kB 
[  310.773146]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.778665] (UM) 4*128kB 
[  310.780734]  fallback_alloc+0x203/0x2e0
[  310.784763] (UM) 
[  310.787000]  ____cache_alloc_node+0x1c7/0x1e0
[  310.791374] 2*256kB (M) 
[  310.794137]  kmem_cache_alloc_node+0xe3/0x730
[  310.798086] 4*512kB 
[  310.800142]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.804608] (UM) 
[  310.807279]  __alloc_skb+0x119/0x770
[  310.811738] 3*1024kB (M) 
[  310.814065]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.818274] 1*2048kB 
[  310.820327]  ? skb_scrub_packet+0x490/0x490
[  310.824016] (M) 
[  310.826768]  ? lock_downgrade+0x900/0x900
[  310.832018] 4*4096kB 
[  310.834500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.838791] (M) 
[  310.840773]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.844893] = 24912kB
[  310.847311]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.852852] Node 0 
[  310.854830]  ? addrconf_rs_timer+0x6f0/0x6f0
[  310.860256] Normal: 
[  310.862671]  ndisc_alloc_skb+0x144/0x340
[  310.868088] 2389*4kB 
[  310.870320]  ndisc_send_rs+0x331/0x6e0
[  310.874697] (UME) 
[  310.877023]  addrconf_rs_timer+0x3c0/0x6f0
[  310.881050] 378*8kB (UME) 
[  310.883463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.887328] 73*16kB 
[  310.889486]  call_timer_fn+0x272/0x920
[  310.893686] (UM) 
[  310.896523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.900725] 1*32kB (U) 
[  310.903049]  ? process_timeout+0x40/0x40
[  310.906909] 0*64kB 
[  310.908962]  ? find_held_lock+0x36/0x1c0
[  310.913165] 0*128kB 0*256kB 
[  310.915760]  ? __run_timers+0x7da/0xc70
[  310.919789] 0*512kB 0*1024kB 
[  310.922039]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.926071] 0*2048kB 
[  310.929079]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.933043] 0*4096kB 
[  310.936143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.940604] = 13780kB
[  310.940618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  310.943016]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  310.947488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  310.949887]  ? trace_hardirqs_on+0xbd/0x310
[  310.954093] 4510 total pagecache pages
[  310.956498]  ? kasan_check_read+0x11/0x20
[  310.965312] 0 pages in swap cache
[  310.969877]  ? __run_timers+0x7da/0xc70
[  310.978422] Swap cache stats: add 0, delete 0, find 0/0
[  310.978431] Free swap  = 0kB
[  310.982742]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.986603] Total swap = 0kB
[  310.990752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.994176] 1965979 pages RAM
[  310.998164]  __run_timers+0x7e5/0xc70
[  311.003494] 0 pages HighMem/MovableOnly
[  311.003503] 342744 pages reserved
[  311.006525]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.011936] 0 pages cma reserved
[  311.012008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.014952]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.014968]  ? rcu_bh_qs+0xc0/0xc0
[  311.019238] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.022276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.026050] syz-fuzzer cpuset=
[  311.030027]  ? check_preemption_disabled+0x48/0x200
[  311.033453] /
[  311.038822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.042160]  mems_allowed=0
[  311.048645]  ? retint_kernel+0x2d/0x2d
[  311.094834]  ? trace_hardirqs_on_caller+0xc0/0x300
[  311.099767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.104524]  ? trace_hardirqs_off_caller+0x300/0x300
[  311.109630]  ? check_preemption_disabled+0x48/0x200
[  311.114646]  ? graph_lock+0x170/0x170
[  311.118454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.123999]  ? check_preemption_disabled+0x48/0x200
[  311.129029]  ? __lock_is_held+0xb5/0x140
[  311.133091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.138632]  ? check_preemption_disabled+0x48/0x200
[  311.143658]  run_timer_softirq+0x52/0xb0
[  311.147720]  ? rcu_read_lock_sched_held+0x108/0x120
[  311.152741]  __do_softirq+0x30b/0xad8
[  311.156554]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.161663]  ? pvclock_read_flags+0x160/0x160
[  311.166156]  ? lapic_next_event+0x5a/0x90
[  311.170310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.175859]  ? check_preemption_disabled+0x48/0x200
[  311.180875]  ? check_preemption_disabled+0x48/0x200
[  311.185903]  ? kvm_clock_read+0x18/0x30
[  311.189882]  ? kvm_sched_clock_read+0x9/0x20
[  311.194297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.199848]  ? check_preemption_disabled+0x48/0x200
[  311.205387]  irq_exit+0x17f/0x1c0
[  311.208861]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.213707]  ? smp_reschedule_interrupt+0x109/0x650
[  311.218723]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.224609]  ? interrupt_entry+0xb5/0xf0
[  311.228672]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.233686]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.238704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.243552]  ? trace_hardirqs_off+0x300/0x300
[  311.248044]  ? trace_hardirqs_off+0x300/0x300
[  311.252544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.258084]  ? check_preemption_disabled+0x48/0x200
[  311.263097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.268642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.273498]  apic_timer_interrupt+0xf/0x20
[  311.277740]  </IRQ>
[  311.279981] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.284910] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  311.303811] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  311.311528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  311.318797] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  311.326070] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  311.333348] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  311.340616] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  311.347925]  skb_clone+0x1bb/0x500
[  311.351469]  ? finish_task_switch+0x2f5/0x900
[  311.355965]  ? skb_split+0x11e0/0x11e0
[  311.359853]  ? preempt_notifier_register+0x200/0x200
[  311.364960]  ? __switch_to_asm+0x34/0x70
[  311.369019]  ? __switch_to_asm+0x34/0x70
[  311.373076]  ? __switch_to_asm+0x40/0x70
[  311.377132]  ? __switch_to_asm+0x34/0x70
[  311.381188]  ? __switch_to_asm+0x40/0x70
[  311.385246]  ? __switch_to_asm+0x34/0x70
[  311.389303]  ? __switch_to_asm+0x40/0x70
[  311.393369]  ? __switch_to_asm+0x34/0x70
[  311.397433]  ? __switch_to_asm+0x34/0x70
[  311.401493]  ? __switch_to_asm+0x40/0x70
[  311.405554]  ? __switch_to_asm+0x34/0x70
[  311.409623]  bpf_clone_redirect+0xb9/0x490
[  311.413859]  ? __schedule+0x874/0x1ed0
[  311.417754]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  311.422777]  ? __sched_text_start+0x8/0x8
[  311.426926]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.431702]  ? find_held_lock+0x36/0x1c0
[  311.435774]  ? lock_acquire+0x1ed/0x520
[  311.439746]  ? bpf_test_run+0x32e/0x5a0
[  311.443727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.449271]  ? check_preemption_disabled+0x48/0x200
[  311.454294]  ? kasan_check_read+0x11/0x20
[  311.458476]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.463758]  ? rcu_bh_qs+0xc0/0xc0
[  311.467320]  ? preempt_schedule+0x4d/0x60
[  311.471486]  ? ___preempt_schedule+0x16/0x18
[  311.475902]  ? bpf_test_run+0x1c0/0x5a0
[  311.479889]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.484301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.489842]  ? bpf_test_init.isra.9+0x70/0x100
[  311.494434]  ? bpf_prog_test_run_skb+0x634/0xb40
[  311.499198]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.504046]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  311.509585]  ? fput+0x130/0x1a0
[  311.512866]  ? __bpf_prog_get+0x9b/0x290
[  311.516931]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.521777]  ? bpf_prog_test_run+0x130/0x1a0
[  311.526189]  ? __x64_sys_bpf+0x3d8/0x510
[  311.530249]  ? bpf_prog_get+0x20/0x20
[  311.534061]  ? ksys_ioctl+0x81/0xd0
[  311.537703]  ? do_syscall_64+0x1b9/0x820
[  311.541772]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  311.547144]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.552079]  ? trace_hardirqs_off+0x300/0x300
[  311.556580]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.561600]  ? recalc_sigpending_tsk+0x180/0x180
[  311.566366]  ? kasan_check_write+0x14/0x20
[  311.570627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.575483]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  311.580875] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  311.580946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.587802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.587807] Call Trace:
[  311.587822]  <IRQ>
[  311.587846]  dump_stack+0x1c4/0x2b4
[  311.587864]  ? dump_stack_print_info.cold.2+0x52/0x52
[  311.594439] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.603701]  warn_alloc.cold.118+0xb7/0x1bd
[  311.606269] syz-executor2 cpuset=
[  311.608413]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.612017] syz2
[  311.617199]  ? lock_downgrade+0x900/0x900
[  311.627660]  mems_allowed=0
[  311.631977]  ? trace_hardirqs_off+0xb8/0x300
[  311.653645]  ? trace_hardirqs_off+0xb8/0x300
[  311.658075]  __alloc_pages_slowpath+0x2667/0x2d80
[  311.662952]  ? warn_alloc+0x120/0x120
[  311.666758]  ? warn_alloc+0x120/0x120
[  311.670565]  ? print_usage_bug+0xc0/0xc0
[  311.674628]  ? warn_alloc+0x120/0x120
[  311.678429]  ? print_usage_bug+0xc0/0xc0
[  311.682495]  ? __lock_acquire+0x7ec/0x4ec0
[  311.686726]  ? __lock_acquire+0x7ec/0x4ec0
[  311.690963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.696500]  ? should_fail+0x22d/0xd01
[  311.700392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.705497]  ? __lock_acquire+0x7ec/0x4ec0
[  311.709735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.714851]  ? __lock_acquire+0x7ec/0x4ec0
[  311.719100]  ? should_fail+0x22d/0xd01
[  311.723001]  ? mark_held_locks+0x130/0x130
[  311.727244]  ? mark_held_locks+0x130/0x130
[  311.731479]  ? graph_lock+0x170/0x170
[  311.735278]  ? graph_lock+0x170/0x170
[  311.739079]  ? graph_lock+0x170/0x170
[  311.742878]  ? print_usage_bug+0xc0/0xc0
[  311.746939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.752476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.758018]  ? check_preemption_disabled+0x48/0x200
[  311.763038]  ? check_preemption_disabled+0x48/0x200
[  311.768075]  ? __lock_is_held+0xb5/0x140
[  311.772142]  __alloc_pages_nodemask+0xa80/0xde0
[  311.776812]  ? graph_lock+0x170/0x170
[  311.780641]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  311.785656]  ? graph_lock+0x170/0x170
[  311.789467]  ? find_held_lock+0x36/0x1c0
[  311.793537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.798209]  ? lock_downgrade+0x900/0x900
[  311.802366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.807912]  cache_grow_begin+0x91/0x8c0
[  311.811977]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.816395]  fallback_alloc+0x203/0x2e0
[  311.820377]  ____cache_alloc_node+0x1c7/0x1e0
[  311.824884]  kmem_cache_alloc_node+0xe3/0x730
[  311.829386]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.833635]  __alloc_skb+0x119/0x770
[  311.837351]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.842632]  ? skb_scrub_packet+0x490/0x490
[  311.846957]  ? lock_downgrade+0x900/0x900
[  311.851119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.856661]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.862118]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.867570]  ? addrconf_rs_timer+0x6f0/0x6f0
[  311.871992]  ndisc_alloc_skb+0x144/0x340
[  311.876059]  ndisc_send_rs+0x331/0x6e0
[  311.879954]  addrconf_rs_timer+0x3c0/0x6f0
[  311.884199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.888450]  call_timer_fn+0x272/0x920
[  311.892352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.896607]  ? process_timeout+0x40/0x40
[  311.900667]  ? find_held_lock+0x36/0x1c0
[  311.904738]  ? mark_held_locks+0xc7/0x130
[  311.908889]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.913385]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.917883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.922115]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  311.926697]  ? trace_hardirqs_on+0xbd/0x310
[  311.931020]  ? kasan_check_read+0x11/0x20
[  311.935170]  ? __run_timers+0x7da/0xc70
[  311.939149]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.944607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.948860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.953098]  __run_timers+0x7e5/0xc70
[  311.956915]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.962291]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.967311]  ? graph_lock+0x170/0x170
[  311.971118]  ? print_usage_bug+0xc0/0xc0
[  311.975175]  ? lock_release+0x970/0x970
[  311.979154]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.984356]  ? find_held_lock+0x36/0x1c0
[  311.988422]  ? graph_lock+0x170/0x170
[  311.992229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.997774]  ? check_preemption_disabled+0x48/0x200
[  312.002806]  ? __lock_is_held+0xb5/0x140
[  312.006883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.012426]  ? check_preemption_disabled+0x48/0x200
[  312.017450]  run_timer_softirq+0x52/0xb0
[  312.021516]  ? rcu_read_lock_sched_held+0x108/0x120
[  312.026535]  __do_softirq+0x30b/0xad8
[  312.030346]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  312.035459]  ? pvclock_read_flags+0x160/0x160
[  312.039954]  ? lapic_next_event+0x5a/0x90
[  312.044104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.049656]  ? check_preemption_disabled+0x48/0x200
[  312.054690]  ? check_preemption_disabled+0x48/0x200
[  312.059716]  ? kvm_clock_read+0x18/0x30
[  312.063690]  ? kvm_sched_clock_read+0x9/0x20
[  312.068099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.073639]  ? check_preemption_disabled+0x48/0x200
[  312.078672]  irq_exit+0x17f/0x1c0
[  312.082133]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.087238]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.093122]  ? interrupt_entry+0xb5/0xf0
[  312.097188]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.102204]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.107223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.112070]  ? trace_hardirqs_off+0x300/0x300
[  312.116566]  ? trace_hardirqs_off+0x300/0x300
[  312.121066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.126608]  ? check_preemption_disabled+0x48/0x200
[  312.131627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.137173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.142031]  apic_timer_interrupt+0xf/0x20
[  312.146261]  </IRQ>
[  312.148503] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  312.153785] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  312.172695] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  312.180407] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  312.187671] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  312.194938] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  312.202206] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  312.209474] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  312.216763]  ? arch_local_irq_restore+0x45/0x52
[  312.221439]  dump_stack+0x26a/0x2b4
[  312.225069]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.230264]  ? mark_held_locks+0x130/0x130
[  312.234502]  ? mark_held_locks+0x130/0x130
[  312.238743]  dump_header+0x27b/0xf72
[  312.242469]  ? pagefault_out_of_memory+0x197/0x197
[  312.247407]  ? mark_held_locks+0x130/0x130
[  312.251645]  ? __lock_acquire+0x7ec/0x4ec0
[  312.255884]  ? mem_cgroup_charge_statistics+0x780/0x780
[  312.261247]  ? print_usage_bug+0xc0/0xc0
[  312.265307]  ? print_usage_bug+0xc0/0xc0
[  312.269374]  ? graph_lock+0x170/0x170
[  312.273173]  ? graph_lock+0x170/0x170
[  312.276976]  ? print_usage_bug+0xc0/0xc0
[  312.281036]  ? print_usage_bug+0xc0/0xc0
[  312.285105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.290645]  ? find_held_lock+0x36/0x1c0
[  312.294716]  ? mark_held_locks+0xc7/0x130
[  312.298874]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.303980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.309082]  ? lockdep_hardirqs_on+0x421/0x5c0
[  312.313663]  ? trace_hardirqs_on+0xbd/0x310
[  312.317988]  ? kasan_check_read+0x11/0x20
[  312.322135]  ? ___ratelimit+0x36f/0x655
[  312.326108]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.331557]  ? trace_hardirqs_on+0x310/0x310
[  312.335965]  ? lock_downgrade+0x900/0x900
[  312.340120]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.345222]  ? ___ratelimit+0xaa/0x655
[  312.349112]  ? idr_get_free+0xec0/0xec0
[  312.353092]  ? kasan_check_write+0x14/0x20
[  312.357330]  ? do_raw_spin_lock+0xc1/0x200
[  312.361573]  oom_kill_process.cold.27+0x10/0x903
[  312.366333]  ? graph_lock+0x170/0x170
[  312.370132]  ? _raw_spin_unlock+0x2c/0x50
[  312.374282]  ? oom_badness+0xe6/0xaa0
[  312.378087]  ? oom_evaluate_task+0x540/0x540
[  312.382502]  ? find_held_lock+0x36/0x1c0
[  312.386572]  ? out_of_memory+0x974/0x14c0
[  312.390722]  ? lock_downgrade+0x900/0x900
[  312.394877]  ? check_preemption_disabled+0x48/0x200
[  312.399900]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.405700]  ? kasan_check_read+0x11/0x20
[  312.409863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.415141]  ? rcu_bh_qs+0xc0/0xc0
[  312.418689]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  312.423706]  ? oom_evaluate_task+0x302/0x540
[  312.428119]  out_of_memory+0xa86/0x14c0
[  312.432108]  ? oom_killer_disable+0x3a0/0x3a0
[  312.436610]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  312.441547]  ? __mutex_add_waiter+0x2a0/0x2a0
[  312.446055]  __alloc_pages_slowpath+0x2318/0x2d80
[  312.450930]  ? warn_alloc+0x120/0x120
[  312.454744]  ? find_get_entry+0x2f2/0xc40
[  312.458905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.464459]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  312.469390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.474933]  ? should_fail+0x22d/0xd01
[  312.478833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.483948]  ? __lock_is_held+0xb5/0x140
[  312.488039]  ? __lock_is_held+0xb5/0x140
[  312.492129]  ? find_held_lock+0x36/0x1c0
[  312.496193]  ? ___might_sleep+0x1ed/0x300
[  312.500339]  ? lock_release+0x970/0x970
[  312.504317]  ? arch_local_save_flags+0x40/0x40
[  312.508918]  ? __might_sleep+0x95/0x190
[  312.512897]  __alloc_pages_nodemask+0xa80/0xde0
[  312.517605]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.522637]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.528440]  ? kasan_check_read+0x11/0x20
[  312.532592]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.537878]  ? graph_lock+0x170/0x170
[  312.541681]  ? print_usage_bug+0xc0/0xc0
[  312.545743]  ? graph_lock+0x170/0x170
[  312.549542]  ? graph_lock+0x170/0x170
[  312.553345]  ? __do_page_cache_readahead+0x7ce/0x980
[  312.558455]  ? find_held_lock+0x36/0x1c0
[  312.562521]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  312.568079]  alloc_pages_current+0x10c/0x210
[  312.572485]  ? lock_downgrade+0x900/0x900
[  312.576641]  __page_cache_alloc+0x38f/0x5b0
[  312.580963]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.586762]  ? kasan_check_read+0x11/0x20
[  312.590915]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.596194]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  312.600869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.606414]  ? check_preemption_disabled+0x48/0x200
[  312.611442]  filemap_fault+0x1594/0x25f0
[  312.615519]  ? __lock_page_or_retry+0xa00/0xa00
[  312.620185]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.625983]  ? kasan_check_read+0x11/0x20
[  312.630131]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.635410]  ? rcu_bh_qs+0xc0/0xc0
[  312.638966]  ? filemap_map_pages+0xdea/0x1980
[  312.643471]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.648579]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  312.653865]  ? debug_object_free+0x325/0x690
[  312.658274]  ? find_get_pages_range_tag+0x1320/0x1320
[  312.663468]  ? graph_lock+0x170/0x170
[  312.667277]  ? kasan_check_read+0x11/0x20
[  312.671446]  ? debug_object_destroy+0x2b0/0x2b0
[  312.676129]  ? lock_acquire+0x1ed/0x520
[  312.680101]  ? ext4_filemap_fault+0x7a/0xad
[  312.684431]  ? lock_release+0x970/0x970
[  312.688406]  ? arch_local_save_flags+0x40/0x40
[  312.692992]  ? futex_wait_setup+0x3e0/0x3e0
[  312.697324]  ? down_read+0xb0/0x1d0
[  312.700950]  ? ext4_filemap_fault+0x7a/0xad
[  312.705270]  ? __down_interruptible+0x700/0x700
[  312.709957]  ext4_filemap_fault+0x82/0xad
[  312.714107]  __do_fault+0x100/0x6b0
[  312.717736]  ? print_bad_pte+0x6c0/0x6c0
[  312.721798]  ? do_futex+0x249/0x26d0
[  312.725549]  ? pmd_val+0x88/0x100
[  312.729005]  ? add_mm_counter_fast+0xd0/0xd0
[  312.733414]  ? pmd_val+0x88/0x100
[  312.736876]  ? add_mm_counter_fast+0xd0/0xd0
[  312.741289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.746846]  __handle_mm_fault+0x3709/0x53e0
[  312.751266]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  312.756111]  ? graph_lock+0x170/0x170
[  312.759910]  ? print_usage_bug+0xc0/0xc0
[  312.763977]  ? graph_lock+0x170/0x170
[  312.767776]  ? graph_lock+0x170/0x170
[  312.771605]  ? handle_mm_fault+0x42a/0xc70
[  312.775853]  ? lock_downgrade+0x900/0x900
[  312.780003]  ? check_preemption_disabled+0x48/0x200
[  312.785030]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.790843]  ? kasan_check_read+0x11/0x20
[  312.794993]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.800290]  ? rcu_bh_qs+0xc0/0xc0
[  312.803861]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.809312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.814860]  ? check_preemption_disabled+0x48/0x200
[  312.819884]  handle_mm_fault+0x54f/0xc70
[  312.823949]  ? __handle_mm_fault+0x53e0/0x53e0
[  312.828534]  ? find_vma+0x34/0x190
[  312.832079]  __do_page_fault+0x67d/0xed0
[  312.836150]  ? mm_fault_error+0x380/0x380
[  312.840295]  ? trace_hardirqs_off+0xb8/0x300
[  312.844702]  ? trace_hardirqs_on+0x310/0x310
[  312.849110]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  312.854473]  ? trace_hardirqs_on+0x310/0x310
[  312.858891]  do_page_fault+0xf2/0x7e0
[  312.862698]  ? vmalloc_sync_all+0x30/0x30
[  312.866860]  ? error_entry+0x70/0xd0
[  312.870578]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.875594]  ? trace_hardirqs_on_caller+0xc0/0x300
[  312.880522]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.885454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.890297]  ? trace_hardirqs_off+0x300/0x300
[  312.894790]  ? trace_hardirqs_off_caller+0x300/0x300
[  312.899904]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.905011]  ? page_fault+0x8/0x30
[  312.908551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.913397]  ? page_fault+0x8/0x30
[  312.916939]  page_fault+0x1e/0x30
[  312.920392] RIP: 0033:0x40f9c0
[  312.923589] Code: Bad RIP value.
[  312.926950] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  312.932319] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  312.939584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  312.946855] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  312.954125] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  312.961393] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  312.968684] warn_alloc_show_mem: 1 callbacks suppressed
[  312.968696] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  312.968698] Mem-Info:
[  312.968731] active_anon:52539 inactive_anon:923 isolated_anon:0
[  312.968731]  active_file:16 inactive_file:19 isolated_file:0
[  312.968731]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.968731]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  312.968731]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  312.968731]  free:13650 free_pcp:205 free_cma:0
[  312.974067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.981343] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.983744] Call Trace:
[  313.016719] Node 0 
[  313.026071]  <IRQ>
[  313.053858] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  313.056410]  dump_stack+0x1c4/0x2b4
[  313.058612] lowmem_reserve[]: 0
[  313.060767]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.086727]  2817 6321
[  313.090377]  warn_alloc.cold.118+0xb7/0x1bd
[  313.093618]  6321
[  313.098804]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.101284] Node 0 
[  313.105598]  ? lock_downgrade+0x900/0x900
[  313.107659] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  313.112473]  ? trace_hardirqs_off+0xb8/0x300
[  313.114674] lowmem_reserve[]: 0
[  313.118836]  ? trace_hardirqs_off+0xb8/0x300
[  313.145786]  0 3503
[  313.150207]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.153455]  3503
[  313.157879]  ? warn_alloc+0x120/0x120
[  313.160071] Node 0 
[  313.164909]  ? trace_hardirqs_on+0x310/0x310
[  313.166972] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  313.170746]  ? warn_alloc+0x120/0x120
[  313.172953] lowmem_reserve[]: 0
[  313.177375]  ? print_usage_bug+0xc0/0xc0
[  313.206755]  0 0
[  313.210564]  ? warn_alloc+0x120/0x120
[  313.213814]  0
[  313.217893]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  313.223638]  ? print_usage_bug+0xc0/0xc0
[  313.225414] Node 0 
[  313.230419]  ? __lock_acquire+0x7ec/0x4ec0
[  313.234450] DMA: 1*4kB 
[  313.236687]  ? __lock_acquire+0x7ec/0x4ec0
[  313.240913] (U) 
[  313.243491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.247699] 0*8kB 
[  313.249674]  ? should_fail+0x22d/0xd01
[  313.255182] 0*16kB 1*32kB 
[  313.257357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.261217] (U) 
[  313.264054]  ? __lock_acquire+0x7ec/0x4ec0
[  313.269125] 2*64kB (U) 
[  313.271106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.275316] 1*128kB 
[  313.277890]  ? __lock_acquire+0x7ec/0x4ec0
[  313.282966] (U) 1*256kB 
[  313.285295]  ? should_fail+0x22d/0xd01
[  313.289502] (U) 
[  313.292170]  ? print_usage_bug+0xc0/0xc0
[  313.296034] 0*512kB 
[  313.298010]  ? mark_held_locks+0x130/0x130
[  313.302037] 1*1024kB (U) 
[  313.304372]  ? mark_held_locks+0x130/0x130
[  313.308587] 1*2048kB (M) 
[  313.311357]  ? graph_lock+0x170/0x170
[  313.315553] 3*4096kB (M) 
[  313.318309]  ? print_usage_bug+0xc0/0xc0
[  313.318328]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.322103] = 15908kB
[  313.324862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.328898] Node 0 
[  313.333647]  ? check_preemption_disabled+0x48/0x200
[  313.336022] DMA32: 2*4kB 
[  313.341565]  ? check_preemption_disabled+0x48/0x200
[  313.343773] (M) 
[  313.348786]  ? __lock_is_held+0xb5/0x140
[  313.351514] 1*8kB 
[  313.356529]  __alloc_pages_nodemask+0xa80/0xde0
[  313.358477] (U) 
[  313.362529]  ? graph_lock+0x170/0x170
[  313.364654] 4*16kB 
[  313.369317]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  313.371262] (UM) 2*32kB 
[  313.375064]  ? graph_lock+0x170/0x170
[  313.377279] (UM) 
[  313.382294]  ? find_held_lock+0x36/0x1c0
[  313.384932] 3*64kB (UM) 
[  313.388742]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.390769] 4*128kB (UM) 
[  313.394838]  ? lock_downgrade+0x900/0x900
[  313.397487] 2*256kB 
[  313.402155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.404882] (M) 
[  313.409028]  cache_grow_begin+0x91/0x8c0
[  313.411324] 4*512kB 
[  313.416857]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.416879]  fallback_alloc+0x203/0x2e0
[  313.418834] (UM) 
[  313.422892]  ____cache_alloc_node+0x1c7/0x1e0
[  313.425188] 3*1024kB 
[  313.429591]  kmem_cache_alloc_node+0xe3/0x730
[  313.433536] (M) 1*2048kB 
[  313.435605]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.440072] (M) 
[  313.442484]  __alloc_skb+0x119/0x770
[  313.446946] 4*4096kB (M) 
[  313.449712]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.453916] = 24912kB
[  313.455886]  ? skb_scrub_packet+0x490/0x490
[  313.459570] Node 0 
[  313.462320]  ? lock_downgrade+0x900/0x900
[  313.467564] Normal: 2389*4kB 
[  313.469984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.474274] (UME) 
[  313.476508]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.480621] 378*8kB (UME) 
[  313.483728]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.489233] 73*16kB (UM) 
[  313.491390]  ? addrconf_rs_timer+0x6f0/0x6f0
[  313.496823] 1*32kB (U) 
[  313.499680]  ndisc_alloc_skb+0x144/0x340
[  313.505134] 0*64kB 0*128kB 
[  313.507899]  ndisc_send_rs+0x331/0x6e0
[  313.512275] 0*256kB 0*512kB 
[  313.514866]  addrconf_rs_timer+0x3c0/0x6f0
[  313.518895] 0*1024kB 0*2048kB 
[  313.521845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.525701] 0*4096kB = 13780kB
[  313.528732]  call_timer_fn+0x272/0x920
[  313.532936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.536119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.540334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.543517]  ? process_timeout+0x40/0x40
[  313.547377] 4510 total pagecache pages
[  313.556209]  ? find_held_lock+0x36/0x1c0
[  313.560424] 0 pages in swap cache
[  313.568996]  ? __run_timers+0x7da/0xc70
[  313.573022] Swap cache stats: add 0, delete 0, find 0/0
[  313.573031] Free swap  = 0kB
[  313.576915]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.580946] Total swap = 0kB
[  313.580954] 1965979 pages RAM
[  313.584405]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.588353] 0 pages HighMem/MovableOnly
[  313.593708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.596701] 342744 pages reserved
[  313.601186]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.604175] 0 pages cma reserved
[  313.607273]  ? trace_hardirqs_on+0xbd/0x310
[  313.611802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.615703]  ? kasan_check_read+0x11/0x20
[  313.615719]  ? __run_timers+0x7da/0xc70
[  313.615737]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.620013] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.623399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.627956] syz-fuzzer cpuset=
[  313.631319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.635614] /
[  313.642099]  __run_timers+0x7e5/0xc70
[  313.646224]  mems_allowed=0
[  313.650198]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.691202]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.696487]  ? rcu_bh_qs+0xc0/0xc0
[  313.700031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.705571]  ? check_preemption_disabled+0x48/0x200
[  313.710597]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.715383]  ? retint_kernel+0x2d/0x2d
[  313.719277]  ? trace_hardirqs_on_caller+0xc0/0x300
[  313.724230]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.728989]  ? trace_hardirqs_off_caller+0x300/0x300
[  313.734096]  ? check_preemption_disabled+0x48/0x200
[  313.739114]  ? graph_lock+0x170/0x170
[  313.742918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.748462]  ? check_preemption_disabled+0x48/0x200
[  313.753495]  ? __lock_is_held+0xb5/0x140
[  313.757558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.763096]  ? check_preemption_disabled+0x48/0x200
[  313.768125]  run_timer_softirq+0x52/0xb0
[  313.772191]  ? rcu_read_lock_sched_held+0x108/0x120
[  313.777212]  __do_softirq+0x30b/0xad8
[  313.781023]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.786132]  ? pvclock_read_flags+0x160/0x160
[  313.790631]  ? lapic_next_event+0x5a/0x90
[  313.794780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.800318]  ? check_preemption_disabled+0x48/0x200
[  313.805337]  ? check_preemption_disabled+0x48/0x200
[  313.810368]  ? kvm_clock_read+0x18/0x30
[  313.814348]  ? kvm_sched_clock_read+0x9/0x20
[  313.818761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.824298]  ? check_preemption_disabled+0x48/0x200
[  313.829353]  irq_exit+0x17f/0x1c0
[  313.832813]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.837669]  ? smp_reschedule_interrupt+0x109/0x650
[  313.842691]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.848578]  ? interrupt_entry+0xb5/0xf0
[  313.852643]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.857659]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.862675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.867518]  ? trace_hardirqs_off+0x300/0x300
[  313.872010]  ? trace_hardirqs_off+0x300/0x300
[  313.876506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.882049]  ? check_preemption_disabled+0x48/0x200
[  313.887067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.892615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.897472]  apic_timer_interrupt+0xf/0x20
[  313.901734]  </IRQ>
[  313.903979] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.908909] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  313.927809] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  313.935532] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  313.942810] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  313.950086] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  313.957357] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  313.964624] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  313.971935]  skb_clone+0x1bb/0x500
[  313.975478]  ? finish_task_switch+0x2f5/0x900
[  313.979979]  ? skb_split+0x11e0/0x11e0
[  313.983874]  ? preempt_notifier_register+0x200/0x200
[  313.988976]  ? __switch_to_asm+0x34/0x70
[  313.993039]  ? __switch_to_asm+0x34/0x70
[  313.997096]  ? __switch_to_asm+0x40/0x70
[  314.001171]  ? __switch_to_asm+0x34/0x70
[  314.005229]  ? __switch_to_asm+0x40/0x70
[  314.009305]  ? __switch_to_asm+0x34/0x70
[  314.013367]  ? __switch_to_asm+0x40/0x70
[  314.017427]  ? __switch_to_asm+0x34/0x70
[  314.021488]  ? __switch_to_asm+0x34/0x70
[  314.025554]  ? __switch_to_asm+0x40/0x70
[  314.029613]  ? __switch_to_asm+0x34/0x70
[  314.033684]  bpf_clone_redirect+0xb9/0x490
[  314.037938]  ? __schedule+0x874/0x1ed0
[  314.041842]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  314.046865]  ? __sched_text_start+0x8/0x8
[  314.051014]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.055791]  ? find_held_lock+0x36/0x1c0
[  314.059863]  ? lock_acquire+0x1ed/0x520
[  314.063842]  ? bpf_test_run+0x32e/0x5a0
[  314.067833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.073413]  ? check_preemption_disabled+0x48/0x200
[  314.078440]  ? kasan_check_read+0x11/0x20
[  314.082591]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.087871]  ? rcu_bh_qs+0xc0/0xc0
[  314.091416]  ? preempt_schedule+0x4d/0x60
[  314.095567]  ? ___preempt_schedule+0x16/0x18
[  314.099982]  ? bpf_test_run+0x1c0/0x5a0
[  314.103974]  ? netlink_diag_dump+0x2a0/0x2a0
[  314.108389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.113924]  ? bpf_test_init.isra.9+0x70/0x100
[  314.118515]  ? bpf_prog_test_run_skb+0x634/0xb40
[  314.123277]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.128121]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.133655]  ? fput+0x130/0x1a0
[  314.136937]  ? __bpf_prog_get+0x9b/0x290
[  314.141003]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.145847]  ? bpf_prog_test_run+0x130/0x1a0
[  314.150264]  ? __x64_sys_bpf+0x3d8/0x510
[  314.154328]  ? bpf_prog_get+0x20/0x20
[  314.158141]  ? ksys_ioctl+0x81/0xd0
[  314.161780]  ? do_syscall_64+0x1b9/0x820
[  314.165851]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  314.171255]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.176222]  ? trace_hardirqs_off+0x300/0x300
[  314.180719]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  314.185750]  ? recalc_sigpending_tsk+0x180/0x180
[  314.190511]  ? kasan_check_write+0x14/0x20
[  314.194759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.199608]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  314.204992] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  314.205063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.211917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.211925] Call Trace:
[  314.218500] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.227747]  <IRQ>
[  314.230317] syz-executor2 cpuset=
[  314.240793]  dump_stack+0x1c4/0x2b4
[  314.242920] syz2
[  314.246367]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.249974]  mems_allowed=0
[  314.251951]  warn_alloc.cold.118+0xb7/0x1bd
[  314.264362]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.269212]  ? lock_downgrade+0x900/0x900
[  314.273405]  ? trace_hardirqs_off+0xb8/0x300
[  314.277832]  ? trace_hardirqs_off+0xb8/0x300
[  314.282303]  __alloc_pages_slowpath+0x2667/0x2d80
[  314.287177]  ? warn_alloc+0x120/0x120
[  314.290984]  ? warn_alloc+0x120/0x120
[  314.294789]  ? print_usage_bug+0xc0/0xc0
[  314.298862]  ? warn_alloc+0x120/0x120
[  314.302667]  ? print_usage_bug+0xc0/0xc0
[  314.306752]  ? __lock_acquire+0x7ec/0x4ec0
[  314.310990]  ? __lock_acquire+0x7ec/0x4ec0
[  314.315231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.320771]  ? should_fail+0x22d/0xd01
[  314.324663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.329765]  ? __lock_acquire+0x7ec/0x4ec0
[  314.334004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.339107]  ? __lock_acquire+0x7ec/0x4ec0
[  314.343341]  ? should_fail+0x22d/0xd01
[  314.347238]  ? mark_held_locks+0x130/0x130
[  314.351474]  ? mark_held_locks+0x130/0x130
[  314.355720]  ? graph_lock+0x170/0x170
[  314.359523]  ? graph_lock+0x170/0x170
[  314.363342]  ? graph_lock+0x170/0x170
[  314.367171]  ? print_usage_bug+0xc0/0xc0
[  314.371234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.376776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.382318]  ? check_preemption_disabled+0x48/0x200
[  314.387338]  ? check_preemption_disabled+0x48/0x200
[  314.392364]  ? __lock_is_held+0xb5/0x140
[  314.396434]  __alloc_pages_nodemask+0xa80/0xde0
[  314.401103]  ? graph_lock+0x170/0x170
[  314.404912]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.409925]  ? graph_lock+0x170/0x170
[  314.413832]  ? find_held_lock+0x36/0x1c0
[  314.417911]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.422599]  ? lock_downgrade+0x900/0x900
[  314.426759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.432321]  cache_grow_begin+0x91/0x8c0
[  314.436404]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.440832]  fallback_alloc+0x203/0x2e0
[  314.444829]  ____cache_alloc_node+0x1c7/0x1e0
[  314.449357]  kmem_cache_alloc_node+0xe3/0x730
[  314.453885]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.458131]  __alloc_skb+0x119/0x770
[  314.461856]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.467140]  ? skb_scrub_packet+0x490/0x490
[  314.471462]  ? lock_downgrade+0x900/0x900
[  314.475622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.481160]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.486614]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.492069]  ? addrconf_rs_timer+0x6f0/0x6f0
[  314.496491]  ndisc_alloc_skb+0x144/0x340
[  314.500559]  ndisc_send_rs+0x331/0x6e0
[  314.504455]  addrconf_rs_timer+0x3c0/0x6f0
[  314.508698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.512947]  call_timer_fn+0x272/0x920
[  314.516848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.521085]  ? process_timeout+0x40/0x40
[  314.525177]  ? find_held_lock+0x36/0x1c0
[  314.529247]  ? mark_held_locks+0xc7/0x130
[  314.533398]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.537892]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.542388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.546640]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  314.551224]  ? trace_hardirqs_on+0xbd/0x310
[  314.555550]  ? kasan_check_read+0x11/0x20
[  314.559703]  ? __run_timers+0x7da/0xc70
[  314.563682]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.569140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.573385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.577624]  __run_timers+0x7e5/0xc70
[  314.581445]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.586816]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.591860]  ? graph_lock+0x170/0x170
[  314.595667]  ? print_usage_bug+0xc0/0xc0
[  314.599734]  ? lock_release+0x970/0x970
[  314.603711]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.608910]  ? find_held_lock+0x36/0x1c0
[  314.612979]  ? graph_lock+0x170/0x170
[  314.616787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.622334]  ? check_preemption_disabled+0x48/0x200
[  314.627364]  ? __lock_is_held+0xb5/0x140
[  314.631430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.636971]  ? check_preemption_disabled+0x48/0x200
[  314.641997]  run_timer_softirq+0x52/0xb0
[  314.646057]  ? rcu_read_lock_sched_held+0x108/0x120
[  314.651078]  __do_softirq+0x30b/0xad8
[  314.654892]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.660001]  ? pvclock_read_flags+0x160/0x160
[  314.664494]  ? lapic_next_event+0x5a/0x90
[  314.668645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.674184]  ? check_preemption_disabled+0x48/0x200
[  314.679199]  ? check_preemption_disabled+0x48/0x200
[  314.684220]  ? kvm_clock_read+0x18/0x30
[  314.688197]  ? kvm_sched_clock_read+0x9/0x20
[  314.692610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.698149]  ? check_preemption_disabled+0x48/0x200
[  314.703177]  irq_exit+0x17f/0x1c0
[  314.706633]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.711478]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.717365]  ? interrupt_entry+0xb5/0xf0
[  314.721427]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.726441]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.731462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.736308]  ? trace_hardirqs_off+0x300/0x300
[  314.740802]  ? trace_hardirqs_off+0x300/0x300
[  314.745309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.750863]  ? check_preemption_disabled+0x48/0x200
[  314.755878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.761426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.766325]  apic_timer_interrupt+0xf/0x20
[  314.770552]  </IRQ>
[  314.772792] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  314.778079] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  314.796977] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  314.804688] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  314.811954] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  314.819222] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  314.826490] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  314.833758] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  314.841043]  ? arch_local_irq_restore+0x45/0x52
[  314.845717]  dump_stack+0x26a/0x2b4
[  314.849349]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.854545]  ? mark_held_locks+0x130/0x130
[  314.858779]  ? mark_held_locks+0x130/0x130
[  314.863019]  dump_header+0x27b/0xf72
[  314.866747]  ? pagefault_out_of_memory+0x197/0x197
[  314.871682]  ? mark_held_locks+0x130/0x130
[  314.875920]  ? __lock_acquire+0x7ec/0x4ec0
[  314.880155]  ? mem_cgroup_charge_statistics+0x780/0x780
[  314.885518]  ? print_usage_bug+0xc0/0xc0
[  314.889581]  ? print_usage_bug+0xc0/0xc0
[  314.893648]  ? graph_lock+0x170/0x170
[  314.897446]  ? graph_lock+0x170/0x170
[  314.901272]  ? print_usage_bug+0xc0/0xc0
[  314.905334]  ? print_usage_bug+0xc0/0xc0
[  314.909409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.914954]  ? find_held_lock+0x36/0x1c0
[  314.919023]  ? mark_held_locks+0xc7/0x130
[  314.923175]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.928277]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.933410]  ? lockdep_hardirqs_on+0x421/0x5c0
[  314.937994]  ? trace_hardirqs_on+0xbd/0x310
[  314.942316]  ? kasan_check_read+0x11/0x20
[  314.946468]  ? ___ratelimit+0x36f/0x655
[  314.950443]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.955893]  ? trace_hardirqs_on+0x310/0x310
[  314.960303]  ? lock_downgrade+0x900/0x900
[  314.964471]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.969573]  ? ___ratelimit+0xaa/0x655
[  314.973465]  ? idr_get_free+0xec0/0xec0
[  314.977445]  ? kasan_check_write+0x14/0x20
[  314.981864]  ? do_raw_spin_lock+0xc1/0x200
[  314.986112]  oom_kill_process.cold.27+0x10/0x903
[  314.990874]  ? graph_lock+0x170/0x170
[  314.994674]  ? _raw_spin_unlock+0x2c/0x50
[  314.998833]  ? oom_badness+0xe6/0xaa0
[  315.002648]  ? oom_evaluate_task+0x540/0x540
[  315.007060]  ? find_held_lock+0x36/0x1c0
[  315.011131]  ? out_of_memory+0x974/0x14c0
[  315.015278]  ? lock_downgrade+0x900/0x900
[  315.019428]  ? check_preemption_disabled+0x48/0x200
[  315.024456]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.030255]  ? kasan_check_read+0x11/0x20
[  315.034402]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.039679]  ? rcu_bh_qs+0xc0/0xc0
[  315.043226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.048244]  ? oom_evaluate_task+0x302/0x540
[  315.052657]  out_of_memory+0xa86/0x14c0
[  315.056644]  ? oom_killer_disable+0x3a0/0x3a0
[  315.061144]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  315.066080]  ? __mutex_add_waiter+0x2a0/0x2a0
[  315.070588]  __alloc_pages_slowpath+0x2318/0x2d80
[  315.075919]  ? warn_alloc+0x120/0x120
[  315.079740]  ? find_get_entry+0x2f2/0xc40
[  315.083896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.089435]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  315.094367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.099905]  ? should_fail+0x22d/0xd01
[  315.103798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.108919]  ? __lock_is_held+0xb5/0x140
[  315.113007]  ? __lock_is_held+0xb5/0x140
[  315.117074]  ? find_held_lock+0x36/0x1c0
[  315.121138]  ? ___might_sleep+0x1ed/0x300
[  315.125283]  ? lock_release+0x970/0x970
[  315.129259]  ? arch_local_save_flags+0x40/0x40
[  315.133869]  ? __might_sleep+0x95/0x190
[  315.137860]  __alloc_pages_nodemask+0xa80/0xde0
[  315.142541]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.147565]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.153362]  ? kasan_check_read+0x11/0x20
[  315.157514]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.162793]  ? graph_lock+0x170/0x170
[  315.166607]  ? print_usage_bug+0xc0/0xc0
[  315.170672]  ? graph_lock+0x170/0x170
[  315.174469]  ? graph_lock+0x170/0x170
[  315.178283]  ? __do_page_cache_readahead+0x7ce/0x980
[  315.183390]  ? find_held_lock+0x36/0x1c0
[  315.187460]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  315.193006]  alloc_pages_current+0x10c/0x210
[  315.197422]  ? lock_downgrade+0x900/0x900
[  315.201578]  __page_cache_alloc+0x38f/0x5b0
[  315.206175]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.211976]  ? kasan_check_read+0x11/0x20
[  315.216130]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.221414]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  315.226087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.231629]  ? check_preemption_disabled+0x48/0x200
[  315.236656]  filemap_fault+0x1594/0x25f0
[  315.240739]  ? __lock_page_or_retry+0xa00/0xa00
[  315.245411]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.251206]  ? kasan_check_read+0x11/0x20
[  315.255355]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.260631]  ? rcu_bh_qs+0xc0/0xc0
[  315.264184]  ? filemap_map_pages+0xdea/0x1980
[  315.268700]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.273811]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  315.279103]  ? debug_object_free+0x325/0x690
[  315.283515]  ? find_get_pages_range_tag+0x1320/0x1320
[  315.288708]  ? graph_lock+0x170/0x170
[  315.292516]  ? kasan_check_read+0x11/0x20
[  315.296665]  ? debug_object_destroy+0x2b0/0x2b0
[  315.301348]  ? lock_acquire+0x1ed/0x520
[  315.305327]  ? ext4_filemap_fault+0x7a/0xad
[  315.309675]  ? lock_release+0x970/0x970
[  315.313652]  ? arch_local_save_flags+0x40/0x40
[  315.318241]  ? futex_wait_setup+0x3e0/0x3e0
[  315.322573]  ? down_read+0xb0/0x1d0
[  315.326198]  ? ext4_filemap_fault+0x7a/0xad
[  315.330518]  ? __down_interruptible+0x700/0x700
[  315.335203]  ext4_filemap_fault+0x82/0xad
[  315.339356]  __do_fault+0x100/0x6b0
[  315.342987]  ? print_bad_pte+0x6c0/0x6c0
[  315.347049]  ? do_futex+0x249/0x26d0
[  315.350771]  ? pmd_val+0x88/0x100
[  315.354227]  ? add_mm_counter_fast+0xd0/0xd0
[  315.358636]  ? pmd_val+0x88/0x100
[  315.362088]  ? add_mm_counter_fast+0xd0/0xd0
[  315.366501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.372043]  __handle_mm_fault+0x3709/0x53e0
[  315.376460]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  315.381307]  ? graph_lock+0x170/0x170
[  315.385113]  ? print_usage_bug+0xc0/0xc0
[  315.389266]  ? graph_lock+0x170/0x170
[  315.393064]  ? graph_lock+0x170/0x170
[  315.396895]  ? handle_mm_fault+0x42a/0xc70
[  315.401130]  ? lock_downgrade+0x900/0x900
[  315.405277]  ? check_preemption_disabled+0x48/0x200
[  315.410304]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.416102]  ? kasan_check_read+0x11/0x20
[  315.420254]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.425547]  ? rcu_bh_qs+0xc0/0xc0
[  315.429089]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.434543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.440084]  ? check_preemption_disabled+0x48/0x200
[  315.445116]  handle_mm_fault+0x54f/0xc70
[  315.449185]  ? __handle_mm_fault+0x53e0/0x53e0
[  315.453773]  ? find_vma+0x34/0x190
[  315.457321]  __do_page_fault+0x67d/0xed0
[  315.461452]  ? mm_fault_error+0x380/0x380
[  315.465595]  ? trace_hardirqs_off+0xb8/0x300
[  315.470007]  ? trace_hardirqs_on+0x310/0x310
[  315.474415]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.479779]  ? trace_hardirqs_on+0x310/0x310
[  315.484192]  do_page_fault+0xf2/0x7e0
[  315.487994]  ? vmalloc_sync_all+0x30/0x30
[  315.492146]  ? error_entry+0x70/0xd0
[  315.495870]  ? trace_hardirqs_off_caller+0xbb/0x300
[  315.500885]  ? trace_hardirqs_on_caller+0xc0/0x300
[  315.505859]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.510793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.515643]  ? trace_hardirqs_off+0x300/0x300
[  315.520137]  ? trace_hardirqs_off_caller+0x300/0x300
[  315.525245]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.530262]  ? page_fault+0x8/0x30
[  315.533806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.538668]  ? page_fault+0x8/0x30
[  315.542213]  page_fault+0x1e/0x30
[  315.545664] RIP: 0033:0x40f9c0
[  315.548866] Code: Bad RIP value.
[  315.552230] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  315.557593] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  315.564864] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  315.572128] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  315.579396] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  315.586664] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  315.593958] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  315.593963] warn_alloc_show_mem: 1 callbacks suppressed
[  315.593970] Mem-Info:
[  315.601239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.601247] Call Trace:
[  315.606616] active_anon:52539 inactive_anon:923 isolated_anon:0
[  315.606616]  active_file:16 inactive_file:19 isolated_file:0
[  315.606616]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.606616]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  315.606616]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  315.606616]  free:13650 free_pcp:205 free_cma:0
[  315.608991]  <IRQ>
[  315.618354] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.620936]  dump_stack+0x1c4/0x2b4
[  315.653881] Node 0 
[  315.656031]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.683790] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  315.687403]  warn_alloc.cold.118+0xb7/0x1bd
[  315.689617] lowmem_reserve[]: 0
[  315.694813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.720300]  2817
[  315.724618]  ? lock_downgrade+0x900/0x900
[  315.727870]  6321
[  315.732708]  ? trace_hardirqs_off+0xb8/0x300
[  315.734741]  6321
[  315.738884]  ? trace_hardirqs_off+0xb8/0x300
[  315.745329]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.747365] Node 0 
[  315.751788]  ? warn_alloc+0x120/0x120
[  315.756606] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  315.758809]  ? trace_hardirqs_on+0x310/0x310
[  315.762594] lowmem_reserve[]:
[  315.789564]  ? warn_alloc+0x120/0x120
[  315.793948]  0
[  315.797051]  ? print_usage_bug+0xc0/0xc0
[  315.800826]  0 3503
[  315.802631]  ? warn_alloc+0x120/0x120
[  315.806672]  3503
[  315.808906]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.812676] Node 0 
[  315.814732]  ? print_usage_bug+0xc0/0xc0
[  315.819758] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  315.821965]  ? __lock_acquire+0x7ec/0x4ec0
[  315.826003] lowmem_reserve[]:
[  315.854372]  ? __lock_acquire+0x7ec/0x4ec0
[  315.858579]  0
[  315.861680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.865890]  0
[  315.867686]  ? should_fail+0x22d/0xd01
[  315.873192]  0
[  315.875019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.878878]  0
[  315.880674]  ? __lock_acquire+0x7ec/0x4ec0
[  315.885754] Node 0 
[  315.887563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.891766] DMA: 1*4kB 
[  315.894009]  ? __lock_acquire+0x7ec/0x4ec0
[  315.899085] (U) 
[  315.901661]  ? should_fail+0x22d/0xd01
[  315.905872] 0*8kB 
[  315.907859]  ? print_usage_bug+0xc0/0xc0
[  315.911724] 0*16kB 
[  315.913876]  ? mark_held_locks+0x130/0x130
[  315.917902] 1*32kB (U) 
[  315.920143]  ? mark_held_locks+0x130/0x130
[  315.924346] 2*64kB (U) 
[  315.926937]  ? graph_lock+0x170/0x170
[  315.931140] 1*128kB (U) 
[  315.933726]  ? print_usage_bug+0xc0/0xc0
[  315.937501] 1*256kB 
[  315.940165]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.944197] (U) 
[  315.946518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.951239] 0*512kB 1*1024kB 
[  315.953219]  ? check_preemption_disabled+0x48/0x200
[  315.958728] (U) 
[  315.961834]  ? check_preemption_disabled+0x48/0x200
[  315.966833] 1*2048kB 
[  315.968809]  ? __lock_is_held+0xb5/0x140
[  315.973802] (M) 
[  315.976218]  __alloc_pages_nodemask+0xa80/0xde0
[  315.980246] 3*4096kB (M) 
[  315.982225]  ? graph_lock+0x170/0x170
[  315.986886] = 15908kB
[  315.989639]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.993418] Node 0 
[  315.995830]  ? graph_lock+0x170/0x170
[  316.000832] DMA32: 
[  316.003070]  ? find_held_lock+0x36/0x1c0
[  316.006855] 2*4kB 
[  316.009090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.013117] (M) 
[  316.015264]  ? lock_downgrade+0x900/0x900
[  316.019907] 1*8kB 
[  316.021882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.026000] (U) 
[  316.028151]  cache_grow_begin+0x91/0x8c0
[  316.033661] 4*16kB 
[  316.035631]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.039663] (UM) 
[  316.041902]  fallback_alloc+0x203/0x2e0
[  316.046282] 2*32kB 
[  316.048360]  ____cache_alloc_node+0x1c7/0x1e0
[  316.052304] (UM) 
[  316.054537]  kmem_cache_alloc_node+0xe3/0x730
[  316.058998] 3*64kB (UM) 
[  316.061067]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.065535] 4*128kB 
[  316.068207]  __alloc_skb+0x119/0x770
[  316.072421] (UM) 
[  316.074740]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.078426] 2*256kB 
[  316.080481]  ? skb_scrub_packet+0x490/0x490
[  316.085729] (M) 
[  316.088050]  ? lock_downgrade+0x900/0x900
[  316.092342] 4*512kB (UM) 
[  316.094334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.098447] 3*1024kB (M) 
[  316.101212]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.106722] 1*2048kB 
[  316.109477]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.114909] (M) 
[  316.117315]  ? addrconf_rs_timer+0x6f0/0x6f0
[  316.122731] 4*4096kB (M) 
[  316.124716]  ndisc_alloc_skb+0x144/0x340
[  316.129091] = 24912kB
[  316.131849]  ndisc_send_rs+0x331/0x6e0
[  316.135893] Node 0 
[  316.138303]  addrconf_rs_timer+0x3c0/0x6f0
[  316.142157] Normal: 2389*4kB 
[  316.144399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.148610] (UME) 
[  316.151721]  call_timer_fn+0x272/0x920
[  316.155921] 378*8kB 
[  316.158061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.161922] (UME) 
[  316.164248]  ? process_timeout+0x40/0x40
[  316.168451] 73*16kB (UM) 
[  316.170607]  ? find_held_lock+0x36/0x1c0
[  316.174644] 1*32kB 
[  316.177399]  ? __run_timers+0x7da/0xc70
[  316.181427] (U) 
[  316.183659]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.187605] 0*64kB 
[  316.189573]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.194043] 0*128kB 
[  316.196272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.200743] 0*256kB 
[  316.203060]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  316.207276] 0*512kB 
[  316.209593]  ? trace_hardirqs_on+0xbd/0x310
[  316.214151] 0*1024kB 
[  316.216471]  ? kasan_check_read+0x11/0x20
[  316.220767] 0*2048kB 
[  316.223174]  ? __run_timers+0x7da/0xc70
[  316.227294] 0*4096kB 
[  316.229697]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.233641] = 13780kB
[  316.233655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.236053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.241481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.243879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.252689] 4510 total pagecache pages
[  316.256916]  __run_timers+0x7e5/0xc70
[  316.265473] 0 pages in swap cache
[  316.269700]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.273554] Swap cache stats: add 0, delete 0, find 0/0
[  316.273562] Free swap  = 0kB
[  316.277358]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.280783] Total swap = 0kB
[  316.286138]  ? rcu_bh_qs+0xc0/0xc0
[  316.291477] 1965979 pages RAM
[  316.294523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.299772] 0 pages HighMem/MovableOnly
[  316.299781] 342744 pages reserved
[  316.302801]  ? check_preemption_disabled+0x48/0x200
[  316.306310] 0 pages cma reserved
[  316.309416]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.314984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.318890]  ? retint_kernel+0x2d/0x2d
[  316.322408] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.327330]  ? trace_hardirqs_on_caller+0xc0/0x300
[  316.330674] syz-fuzzer cpuset=
[  316.335429]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.341891] /
[  316.345775]  ? trace_hardirqs_off_caller+0x300/0x300
[  316.355975]  mems_allowed=0
[  316.360896]  ? check_preemption_disabled+0x48/0x200
[  316.383516]  ? graph_lock+0x170/0x170
[  316.387325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.392869]  ? check_preemption_disabled+0x48/0x200
[  316.397896]  ? __lock_is_held+0xb5/0x140
[  316.401961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.407502]  ? check_preemption_disabled+0x48/0x200
[  316.412558]  run_timer_softirq+0x52/0xb0
[  316.416622]  ? rcu_read_lock_sched_held+0x108/0x120
[  316.421641]  __do_softirq+0x30b/0xad8
[  316.425453]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  316.430561]  ? pvclock_read_flags+0x160/0x160
[  316.435065]  ? lapic_next_event+0x5a/0x90
[  316.439223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.444770]  ? check_preemption_disabled+0x48/0x200
[  316.449790]  ? check_preemption_disabled+0x48/0x200
[  316.454833]  ? kvm_clock_read+0x18/0x30
[  316.458812]  ? kvm_sched_clock_read+0x9/0x20
[  316.463236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.468779]  ? check_preemption_disabled+0x48/0x200
[  316.473807]  irq_exit+0x17f/0x1c0
[  316.477277]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.482118]  ? smp_reschedule_interrupt+0x109/0x650
[  316.487139]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.493028]  ? interrupt_entry+0xb5/0xf0
[  316.497090]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.502107]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.507138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.511985]  ? trace_hardirqs_off+0x300/0x300
[  316.516479]  ? trace_hardirqs_off+0x300/0x300
[  316.520979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.526518]  ? check_preemption_disabled+0x48/0x200
[  316.531537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.537086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.541939]  apic_timer_interrupt+0xf/0x20
[  316.546170]  </IRQ>
[  316.548409] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.553346] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  316.572252] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  316.579963] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.587232] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  316.594497] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  316.601762] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.609026] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  316.616336]  skb_clone+0x1bb/0x500
[  316.619884]  ? finish_task_switch+0x2f5/0x900
[  316.624380]  ? skb_split+0x11e0/0x11e0
[  316.628269]  ? preempt_notifier_register+0x200/0x200
[  316.633387]  ? __switch_to_asm+0x34/0x70
[  316.637448]  ? __switch_to_asm+0x34/0x70
[  316.641506]  ? __switch_to_asm+0x40/0x70
[  316.645567]  ? __switch_to_asm+0x34/0x70
[  316.649627]  ? __switch_to_asm+0x40/0x70
[  316.653689]  ? __switch_to_asm+0x34/0x70
[  316.657747]  ? __switch_to_asm+0x40/0x70
[  316.661809]  ? __switch_to_asm+0x34/0x70
[  316.665879]  ? __switch_to_asm+0x34/0x70
[  316.669954]  ? __switch_to_asm+0x40/0x70
[  316.674015]  ? __switch_to_asm+0x34/0x70
[  316.678088]  bpf_clone_redirect+0xb9/0x490
[  316.682332]  ? __schedule+0x874/0x1ed0
[  316.686242]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  316.691262]  ? __sched_text_start+0x8/0x8
[  316.695413]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.700183]  ? find_held_lock+0x36/0x1c0
[  316.704252]  ? lock_acquire+0x1ed/0x520
[  316.708223]  ? bpf_test_run+0x32e/0x5a0
[  316.712203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.717747]  ? check_preemption_disabled+0x48/0x200
[  316.722780]  ? kasan_check_read+0x11/0x20
[  316.726934]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.732216]  ? rcu_bh_qs+0xc0/0xc0
[  316.735770]  ? preempt_schedule+0x4d/0x60
[  316.739919]  ? ___preempt_schedule+0x16/0x18
[  316.744334]  ? bpf_test_run+0x1c0/0x5a0
[  316.748325]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.752746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.758282]  ? bpf_test_init.isra.9+0x70/0x100
[  316.762872]  ? bpf_prog_test_run_skb+0x634/0xb40
[  316.767638]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  316.772481]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.778020]  ? fput+0x130/0x1a0
[  316.781301]  ? __bpf_prog_get+0x9b/0x290
[  316.785369]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  316.790210]  ? bpf_prog_test_run+0x130/0x1a0
[  316.794626]  ? __x64_sys_bpf+0x3d8/0x510
[  316.798686]  ? bpf_prog_get+0x20/0x20
[  316.802494]  ? ksys_ioctl+0x81/0xd0
[  316.806131]  ? do_syscall_64+0x1b9/0x820
[  316.810199]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  316.815567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.820500]  ? trace_hardirqs_off+0x300/0x300
[  316.825001]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  316.830018]  ? recalc_sigpending_tsk+0x180/0x180
[  316.834778]  ? kasan_check_write+0x14/0x20
[  316.839020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.843872]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  316.849254] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  316.849326] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.856179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.856185] Call Trace:
[  316.856191]  <IRQ>
[  316.856210]  dump_stack+0x1c4/0x2b4
[  316.856224]  ? dump_stack_print_info.cold.2+0x52/0x52
[  316.856254]  warn_alloc.cold.118+0xb7/0x1bd
[  316.862831] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.872081]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.874642] syz-executor2 cpuset=
[  316.876788]  ? lock_downgrade+0x900/0x900
[  316.880386] syz2
[  316.885575]  ? trace_hardirqs_off+0xb8/0x300
[  316.889873]  mems_allowed=0
[  316.900353]  ? trace_hardirqs_off+0xb8/0x300
[  316.926411]  __alloc_pages_slowpath+0x2667/0x2d80
[  316.931284]  ? warn_alloc+0x120/0x120
[  316.935096]  ? trace_hardirqs_on+0x310/0x310
[  316.939507]  ? warn_alloc+0x120/0x120
[  316.943326]  ? print_usage_bug+0xc0/0xc0
[  316.947393]  ? warn_alloc+0x120/0x120
[  316.951197]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  316.956214]  ? print_usage_bug+0xc0/0xc0
[  316.960281]  ? __lock_acquire+0x7ec/0x4ec0
[  316.964532]  ? __lock_acquire+0x7ec/0x4ec0
[  316.968772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.974311]  ? should_fail+0x22d/0xd01
[  316.978221]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.983328]  ? __lock_acquire+0x7ec/0x4ec0
[  316.987567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.992666]  ? __lock_acquire+0x7ec/0x4ec0
[  316.996900]  ? should_fail+0x22d/0xd01
[  317.000785]  ? print_usage_bug+0xc0/0xc0
[  317.004872]  ? mark_held_locks+0x130/0x130
[  317.009110]  ? mark_held_locks+0x130/0x130
[  317.013358]  ? graph_lock+0x170/0x170
[  317.017156]  ? print_usage_bug+0xc0/0xc0
[  317.021216]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.025973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.031517]  ? check_preemption_disabled+0x48/0x200
[  317.036536]  ? check_preemption_disabled+0x48/0x200
[  317.041566]  ? __lock_is_held+0xb5/0x140
[  317.045636]  __alloc_pages_nodemask+0xa80/0xde0
[  317.050304]  ? graph_lock+0x170/0x170
[  317.054108]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.059119]  ? graph_lock+0x170/0x170
[  317.062982]  ? find_held_lock+0x36/0x1c0
[  317.067054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.071723]  ? lock_downgrade+0x900/0x900
[  317.076335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.081885]  cache_grow_begin+0x91/0x8c0
[  317.085948]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.090368]  fallback_alloc+0x203/0x2e0
[  317.094350]  ____cache_alloc_node+0x1c7/0x1e0
[  317.098866]  kmem_cache_alloc_node+0xe3/0x730
[  317.103366]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.107623]  __alloc_skb+0x119/0x770
[  317.111340]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.116623]  ? skb_scrub_packet+0x490/0x490
[  317.120943]  ? lock_downgrade+0x900/0x900
[  317.125098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.130636]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.136094]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.141550]  ? addrconf_rs_timer+0x6f0/0x6f0
[  317.145976]  ndisc_alloc_skb+0x144/0x340
[  317.150041]  ndisc_send_rs+0x331/0x6e0
[  317.153934]  addrconf_rs_timer+0x3c0/0x6f0
[  317.158180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.162442]  call_timer_fn+0x272/0x920
[  317.166332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.170588]  ? process_timeout+0x40/0x40
[  317.174649]  ? find_held_lock+0x36/0x1c0
[  317.178718]  ? mark_held_locks+0xc7/0x130
[  317.182908]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.187405]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.191903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.196137]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  317.200722]  ? trace_hardirqs_on+0xbd/0x310
[  317.205326]  ? kasan_check_read+0x11/0x20
[  317.209473]  ? __run_timers+0x7da/0xc70
[  317.213453]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.218914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.223155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.227390]  __run_timers+0x7e5/0xc70
[  317.231205]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  317.236577]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.241596]  ? graph_lock+0x170/0x170
[  317.245404]  ? print_usage_bug+0xc0/0xc0
[  317.249461]  ? lock_release+0x970/0x970
[  317.253437]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  317.258636]  ? find_held_lock+0x36/0x1c0
[  317.262779]  ? graph_lock+0x170/0x170
[  317.266587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.272126]  ? check_preemption_disabled+0x48/0x200
[  317.277187]  ? __lock_is_held+0xb5/0x140
[  317.281248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.286790]  ? check_preemption_disabled+0x48/0x200
[  317.291827]  run_timer_softirq+0x52/0xb0
[  317.295904]  ? rcu_read_lock_sched_held+0x108/0x120
[  317.300923]  __do_softirq+0x30b/0xad8
[  317.304739]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  317.309865]  ? pvclock_read_flags+0x160/0x160
[  317.314373]  ? lapic_next_event+0x5a/0x90
[  317.318519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.324060]  ? check_preemption_disabled+0x48/0x200
[  317.329080]  ? check_preemption_disabled+0x48/0x200
[  317.334104]  ? kvm_clock_read+0x18/0x30
[  317.338080]  ? kvm_sched_clock_read+0x9/0x20
[  317.342494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.348033]  ? check_preemption_disabled+0x48/0x200
[  317.353065]  irq_exit+0x17f/0x1c0
[  317.357743]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.362591]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.368476]  ? interrupt_entry+0xb5/0xf0
[  317.372539]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.377552]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.382612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.387463]  ? trace_hardirqs_off+0x300/0x300
[  317.391963]  ? trace_hardirqs_off+0x300/0x300
[  317.396460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.402004]  ? check_preemption_disabled+0x48/0x200
[  317.407018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.412566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.417423]  apic_timer_interrupt+0xf/0x20
[  317.421649]  </IRQ>
[  317.423886] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  317.429168] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  317.448070] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  317.455784] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  317.463052] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  317.470317] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  317.477586] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  317.484858] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  317.492153]  ? arch_local_irq_restore+0x45/0x52
[  317.497528]  dump_stack+0x26a/0x2b4
[  317.501161]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.506358]  ? mark_held_locks+0x130/0x130
[  317.510592]  ? mark_held_locks+0x130/0x130
[  317.514847]  dump_header+0x27b/0xf72
[  317.518574]  ? pagefault_out_of_memory+0x197/0x197
[  317.523508]  ? mark_held_locks+0x130/0x130
[  317.527741]  ? __lock_acquire+0x7ec/0x4ec0
[  317.531980]  ? mem_cgroup_charge_statistics+0x780/0x780
[  317.537363]  ? print_usage_bug+0xc0/0xc0
[  317.541429]  ? print_usage_bug+0xc0/0xc0
[  317.545500]  ? graph_lock+0x170/0x170
[  317.549300]  ? graph_lock+0x170/0x170
[  317.553100]  ? print_usage_bug+0xc0/0xc0
[  317.557164]  ? print_usage_bug+0xc0/0xc0
[  317.561233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.566776]  ? find_held_lock+0x36/0x1c0
[  317.570858]  ? mark_held_locks+0xc7/0x130
[  317.575012]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.580117]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.585218]  ? lockdep_hardirqs_on+0x421/0x5c0
[  317.589803]  ? trace_hardirqs_on+0xbd/0x310
[  317.594137]  ? kasan_check_read+0x11/0x20
[  317.598287]  ? ___ratelimit+0x36f/0x655
[  317.602266]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.607718]  ? trace_hardirqs_on+0x310/0x310
[  317.612130]  ? lock_downgrade+0x900/0x900
[  317.616284]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.621407]  ? ___ratelimit+0xaa/0x655
[  317.625300]  ? idr_get_free+0xec0/0xec0
[  317.629280]  ? kasan_check_write+0x14/0x20
[  317.633514]  ? do_raw_spin_lock+0xc1/0x200
[  317.637760]  oom_kill_process.cold.27+0x10/0x903
[  317.642521]  ? graph_lock+0x170/0x170
[  317.646322]  ? _raw_spin_unlock+0x2c/0x50
[  317.650472]  ? oom_badness+0xe6/0xaa0
[  317.654282]  ? oom_evaluate_task+0x540/0x540
[  317.658710]  ? find_held_lock+0x36/0x1c0
[  317.662782]  ? out_of_memory+0x974/0x14c0
[  317.666934]  ? lock_downgrade+0x900/0x900
[  317.671083]  ? check_preemption_disabled+0x48/0x200
[  317.676109]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  317.681910]  ? kasan_check_read+0x11/0x20
[  317.686063]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.691351]  ? rcu_bh_qs+0xc0/0xc0
[  317.694901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.699916]  ? oom_evaluate_task+0x302/0x540
[  317.704328]  out_of_memory+0xa86/0x14c0
[  317.708312]  ? oom_killer_disable+0x3a0/0x3a0
[  317.712835]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  317.717779]  ? __mutex_add_waiter+0x2a0/0x2a0
[  317.722285]  __alloc_pages_slowpath+0x2318/0x2d80
[  317.727157]  ? warn_alloc+0x120/0x120
[  317.730976]  ? find_get_entry+0x2f2/0xc40
[  317.735133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.740674]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  317.745602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.751143]  ? should_fail+0x22d/0xd01
[  317.755034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.760138]  ? __lock_is_held+0xb5/0x140
[  317.764229]  ? __lock_is_held+0xb5/0x140
[  317.768296]  ? find_held_lock+0x36/0x1c0
[  317.772364]  ? ___might_sleep+0x1ed/0x300
[  317.776511]  ? lock_release+0x970/0x970
[  317.780486]  ? arch_local_save_flags+0x40/0x40
[  317.785080]  ? __might_sleep+0x95/0x190
[  317.789058]  __alloc_pages_nodemask+0xa80/0xde0
[  317.793735]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.798757]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  317.804556]  ? kasan_check_read+0x11/0x20
[  317.808710]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.813992]  ? graph_lock+0x170/0x170
[  317.817793]  ? print_usage_bug+0xc0/0xc0
[  317.821867]  ? graph_lock+0x170/0x170
[  317.825671]  ? graph_lock+0x170/0x170
[  317.829471]  ? __do_page_cache_readahead+0x7ce/0x980
[  317.834583]  ? find_held_lock+0x36/0x1c0
[  317.838648]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.844191]  alloc_pages_current+0x10c/0x210
[  317.848596]  ? lock_downgrade+0x900/0x900
[  317.852750]  __page_cache_alloc+0x38f/0x5b0
[  317.857072]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  317.862879]  ? kasan_check_read+0x11/0x20
[  317.867031]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.872316]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  317.877011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.882554]  ? check_preemption_disabled+0x48/0x200
[  317.887577]  filemap_fault+0x1594/0x25f0
[  317.891655]  ? __lock_page_or_retry+0xa00/0xa00
[  317.896323]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  317.902123]  ? kasan_check_read+0x11/0x20
[  317.906269]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.911550]  ? rcu_bh_qs+0xc0/0xc0
[  317.915103]  ? filemap_map_pages+0xdea/0x1980
[  317.919608]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.924718]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  317.929994]  ? debug_object_free+0x325/0x690
[  317.934405]  ? find_get_pages_range_tag+0x1320/0x1320
[  317.939602]  ? graph_lock+0x170/0x170
[  317.943416]  ? kasan_check_read+0x11/0x20
[  317.947571]  ? debug_object_destroy+0x2b0/0x2b0
[  317.952250]  ? lock_acquire+0x1ed/0x520
[  317.956248]  ? ext4_filemap_fault+0x7a/0xad
[  317.960579]  ? lock_release+0x970/0x970
[  317.964558]  ? arch_local_save_flags+0x40/0x40
[  317.969150]  ? futex_wait_setup+0x3e0/0x3e0
[  317.973488]  ? down_read+0xb0/0x1d0
[  317.977115]  ? ext4_filemap_fault+0x7a/0xad
[  317.981441]  ? __down_interruptible+0x700/0x700
[  317.986130]  ext4_filemap_fault+0x82/0xad
[  317.990283]  __do_fault+0x100/0x6b0
[  317.993914]  ? print_bad_pte+0x6c0/0x6c0
[  317.997978]  ? do_futex+0x249/0x26d0
[  318.001699]  ? pmd_val+0x88/0x100
[  318.005154]  ? add_mm_counter_fast+0xd0/0xd0
[  318.009564]  ? pmd_val+0x88/0x100
[  318.013018]  ? add_mm_counter_fast+0xd0/0xd0
[  318.017432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.022975]  __handle_mm_fault+0x3709/0x53e0
[  318.027395]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  318.032246]  ? graph_lock+0x170/0x170
[  318.036051]  ? print_usage_bug+0xc0/0xc0
[  318.040115]  ? graph_lock+0x170/0x170
[  318.043916]  ? graph_lock+0x170/0x170
[  318.047742]  ? handle_mm_fault+0x42a/0xc70
[  318.051984]  ? lock_downgrade+0x900/0x900
[  318.056137]  ? check_preemption_disabled+0x48/0x200
[  318.061170]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  318.066982]  ? kasan_check_read+0x11/0x20
[  318.071140]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.076426]  ? rcu_bh_qs+0xc0/0xc0
[  318.079967]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.085422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.090969]  ? check_preemption_disabled+0x48/0x200
[  318.095998]  handle_mm_fault+0x54f/0xc70
[  318.100064]  ? __handle_mm_fault+0x53e0/0x53e0
[  318.104647]  ? find_vma+0x34/0x190
[  318.108191]  __do_page_fault+0x67d/0xed0
[  318.112264]  ? mm_fault_error+0x380/0x380
[  318.116413]  ? trace_hardirqs_off+0xb8/0x300
[  318.120829]  ? trace_hardirqs_on+0x310/0x310
[  318.125244]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.130606]  ? trace_hardirqs_on+0x310/0x310
[  318.135019]  do_page_fault+0xf2/0x7e0
[  318.138831]  ? vmalloc_sync_all+0x30/0x30
[  318.142991]  ? error_entry+0x70/0xd0
[  318.146707]  ? trace_hardirqs_off_caller+0xbb/0x300
[  318.151727]  ? trace_hardirqs_on_caller+0xc0/0x300
[  318.156746]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.161760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.166602]  ? trace_hardirqs_off+0x300/0x300
[  318.171101]  ? trace_hardirqs_off_caller+0x300/0x300
[  318.176209]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.181224]  ? page_fault+0x8/0x30
[  318.184765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.189611]  ? page_fault+0x8/0x30
[  318.193161]  page_fault+0x1e/0x30
[  318.196611] RIP: 0033:0x40f9c0
[  318.199816] Code: Bad RIP value.
[  318.203206] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  318.208572] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  318.215852] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  318.223122] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  318.230386] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  318.237651] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  318.244941] warn_alloc_show_mem: 1 callbacks suppressed
[  318.244954] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  318.244955] Mem-Info:
[  318.244987] active_anon:52539 inactive_anon:923 isolated_anon:0
[  318.244987]  active_file:16 inactive_file:19 isolated_file:0
[  318.244987]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.244987]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  318.244987]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  318.244987]  free:13650 free_pcp:205 free_cma:0
[  318.250324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.250333] Call Trace:
[  318.257617] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.260016]  <IRQ>
[  318.292965] Node 0 
[  318.302317]  dump_stack+0x1c4/0x2b4
[  318.304897] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  318.332630]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.334748] lowmem_reserve[]: 0
[  318.337000]  warn_alloc.cold.118+0xb7/0x1bd
[  318.340586]  2817 6321
[  318.366105]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.371269]  6321
[  318.374545]  ? lock_downgrade+0x900/0x900
[  318.378850] Node 0 
[  318.381348]  ? trace_hardirqs_off+0xb8/0x300
[  318.386180] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  318.388215]  ? trace_hardirqs_off+0xb8/0x300
[  318.392326] lowmem_reserve[]: 0
[  318.394573]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.398953]  0
[  318.425958]  ? warn_alloc+0x120/0x120
[  318.430322]  3503
[  318.433606]  ? trace_hardirqs_on+0x310/0x310
[  318.438415]  3503
[  318.440224]  ? warn_alloc+0x120/0x120
[  318.443999] Node 0 
[  318.446055]  ? print_usage_bug+0xc0/0xc0
[  318.450460] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  318.452489]  ? warn_alloc+0x120/0x120
[  318.456257] lowmem_reserve[]: 0
[  318.458499]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  318.462529]  0
[  318.490915]  ? print_usage_bug+0xc0/0xc0
[  318.494700]  0
[  318.497973]  ? __lock_acquire+0x7ec/0x4ec0
[  318.502955]  0
[  318.504760]  ? __lock_acquire+0x7ec/0x4ec0
[  318.508797] Node 0 
[  318.510606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.514806] DMA: 1*4kB 
[  318.516622]  ? should_fail+0x22d/0xd01
[  318.520836] (U) 
[  318.523067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.528580] 0*8kB 
[  318.531159]  ? __lock_acquire+0x7ec/0x4ec0
[  318.535020] 0*16kB 
[  318.536988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.542061] 1*32kB 
[  318.544202]  ? __lock_acquire+0x7ec/0x4ec0
[  318.548409] (U) 
[  318.550640]  ? should_fail+0x22d/0xd01
[  318.555712] 2*64kB (U) 
[  318.557955]  ? print_usage_bug+0xc0/0xc0
[  318.562166] 1*128kB 
[  318.564138]  ? mark_held_locks+0x130/0x130
[  318.567993] (U) 
[  318.570575]  ? mark_held_locks+0x130/0x130
[  318.574610] 1*256kB 
[  318.576930]  ? graph_lock+0x170/0x170
[  318.581138] (U) 
[  318.583107]  ? print_usage_bug+0xc0/0xc0
[  318.587316] 0*512kB 
[  318.589635]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.593403] 1*1024kB (U) 
[  318.595387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.599421] 1*2048kB 
[  318.601741]  ? check_preemption_disabled+0x48/0x200
[  318.606464] (M) 
[  318.609219]  ? check_preemption_disabled+0x48/0x200
[  318.614724] 3*4096kB (M) 
[  318.617146]  ? __lock_is_held+0xb5/0x140
[  318.622149] = 15908kB
[  318.624121]  __alloc_pages_nodemask+0xa80/0xde0
[  318.629111] Node 0 
[  318.631866]  ? graph_lock+0x170/0x170
[  318.635899] DMA32: 
[  318.638302]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.642943] 2*4kB 
[  318.645168]  ? graph_lock+0x170/0x170
[  318.648944] (M) 
[  318.651183]  ? find_held_lock+0x36/0x1c0
[  318.656163] 1*8kB (U) 
[  318.658320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.662092] 4*16kB 
[  318.664058]  ? lock_downgrade+0x900/0x900
[  318.668087] (UM) 2*32kB 
[  318.670593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.675230] (UM) 
[  318.677461]  cache_grow_begin+0x91/0x8c0
[  318.681578] 3*64kB (UM) 
[  318.684253]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.689760] 4*128kB (UM) 
[  318.691837]  fallback_alloc+0x203/0x2e0
[  318.695868] 2*256kB (M) 
[  318.698543]  ____cache_alloc_node+0x1c7/0x1e0
[  318.702923] 4*512kB 
[  318.705673]  kmem_cache_alloc_node+0xe3/0x730
[  318.709611] (UM) 3*1024kB 
[  318.712285]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.716748] (M) 
[  318.719072]  __alloc_skb+0x119/0x770
[  318.723536] 1*2048kB 
[  318.726380]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.730584] (M) 
[  318.732557]  ? skb_scrub_packet+0x490/0x490
[  318.736238] 4*4096kB (M) 
[  318.738651]  ? lock_downgrade+0x900/0x900
[  318.743903] = 24912kB
[  318.745877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.750166] Node 0 
[  318.752920]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.757038] Normal: 
[  318.759443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.764955] 2389*4kB 
[  318.767183]  ? addrconf_rs_timer+0x6f0/0x6f0
[  318.772602] (UME) 
[  318.774930]  ndisc_alloc_skb+0x144/0x340
[  318.780343] 378*8kB (UME) 73*16kB 
[  318.782762]  ndisc_send_rs+0x331/0x6e0
[  318.787138] (UM) 1*32kB 
[  318.789293]  addrconf_rs_timer+0x3c0/0x6f0
[  318.793324] (U) 
[  318.796865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.800720] 0*64kB 0*128kB 
[  318.803403]  call_timer_fn+0x272/0x920
[  318.807619] 0*256kB 
[  318.809605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.813826] 0*512kB 
[  318.816751]  ? process_timeout+0x40/0x40
[  318.820611] 0*1024kB 
[  318.822931]  ? find_held_lock+0x36/0x1c0
[  318.827155] 0*2048kB 
[  318.829475]  ? __run_timers+0x7da/0xc70
[  318.833505] 0*4096kB 
[  318.835928]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.839961] = 13780kB
[  318.842367]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.846322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.848722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.853195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.855593]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  318.860064] 4510 total pagecache pages
[  318.868893]  ? trace_hardirqs_on+0xbd/0x310
[  318.873107] 0 pages in swap cache
[  318.881670]  ? kasan_check_read+0x11/0x20
[  318.886228] Swap cache stats: add 0, delete 0, find 0/0
[  318.890107]  ? __run_timers+0x7da/0xc70
[  318.894392] Free swap  = 0kB
[  318.894401] Total swap = 0kB
[  318.897853]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.901980] 1965979 pages RAM
[  318.907348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.911283] 0 pages HighMem/MovableOnly
[  318.911291] 342744 pages reserved
[  318.914304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.917296] 0 pages cma reserved
[  318.922777]  __run_timers+0x7e5/0xc70
[  318.925939] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.930091]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  318.934144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.937486]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.937503]  ? rcu_bh_qs+0xc0/0xc0
[  318.941717] syz-fuzzer cpuset=
[  318.945077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.948855] /
[  318.955353]  ? check_preemption_disabled+0x48/0x200
[  318.960685]  mems_allowed=0
[  318.970903]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.002758]  ? retint_kernel+0x2d/0x2d
[  319.006650]  ? trace_hardirqs_on_caller+0xc0/0x300
[  319.011581]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.016348]  ? trace_hardirqs_off_caller+0x300/0x300
[  319.021460]  ? check_preemption_disabled+0x48/0x200
[  319.026479]  ? graph_lock+0x170/0x170
[  319.030298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.035845]  ? check_preemption_disabled+0x48/0x200
[  319.040876]  ? __lock_is_held+0xb5/0x140
[  319.044938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.050476]  ? check_preemption_disabled+0x48/0x200
[  319.055502]  run_timer_softirq+0x52/0xb0
[  319.059569]  ? rcu_read_lock_sched_held+0x108/0x120
[  319.064591]  __do_softirq+0x30b/0xad8
[  319.068406]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  319.073608]  ? pvclock_read_flags+0x160/0x160
[  319.078106]  ? lapic_next_event+0x5a/0x90
[  319.082253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.087790]  ? check_preemption_disabled+0x48/0x200
[  319.092818]  ? check_preemption_disabled+0x48/0x200
[  319.097866]  ? kvm_clock_read+0x18/0x30
[  319.101852]  ? kvm_sched_clock_read+0x9/0x20
[  319.106263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.111800]  ? check_preemption_disabled+0x48/0x200
[  319.116843]  irq_exit+0x17f/0x1c0
[  319.120304]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.125147]  ? smp_reschedule_interrupt+0x109/0x650
[  319.130166]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.136050]  ? interrupt_entry+0xb5/0xf0
[  319.140112]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.145126]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.150145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.154991]  ? trace_hardirqs_off+0x300/0x300
[  319.159486]  ? trace_hardirqs_off+0x300/0x300
[  319.163982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.169524]  ? check_preemption_disabled+0x48/0x200
[  319.174542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.180086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.184941]  apic_timer_interrupt+0xf/0x20
[  319.189181]  </IRQ>
[  319.191422] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  319.196356] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  319.215739] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  319.223451] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  319.230716] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  319.237985] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  319.245253] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  319.252519] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  319.259836]  skb_clone+0x1bb/0x500
[  319.263379]  ? finish_task_switch+0x2f5/0x900
[  319.267876]  ? skb_split+0x11e0/0x11e0
[  319.271766]  ? preempt_notifier_register+0x200/0x200
[  319.276868]  ? __switch_to_asm+0x34/0x70
[  319.280928]  ? __switch_to_asm+0x34/0x70
[  319.284994]  ? __switch_to_asm+0x40/0x70
[  319.289056]  ? __switch_to_asm+0x34/0x70
[  319.293117]  ? __switch_to_asm+0x40/0x70
[  319.297177]  ? __switch_to_asm+0x34/0x70
[  319.301234]  ? __switch_to_asm+0x40/0x70
[  319.305296]  ? __switch_to_asm+0x34/0x70
[  319.309361]  ? __switch_to_asm+0x34/0x70
[  319.313420]  ? __switch_to_asm+0x40/0x70
[  319.317478]  ? __switch_to_asm+0x34/0x70
[  319.321564]  bpf_clone_redirect+0xb9/0x490
[  319.325806]  ? __schedule+0x874/0x1ed0
[  319.329711]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  319.334731]  ? __sched_text_start+0x8/0x8
[  319.338880]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.343653]  ? find_held_lock+0x36/0x1c0
[  319.347723]  ? lock_acquire+0x1ed/0x520
[  319.351697]  ? bpf_test_run+0x32e/0x5a0
[  319.355673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.361212]  ? check_preemption_disabled+0x48/0x200
[  319.366235]  ? kasan_check_read+0x11/0x20
[  319.370386]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.375668]  ? rcu_bh_qs+0xc0/0xc0
[  319.379213]  ? preempt_schedule+0x4d/0x60
[  319.383370]  ? ___preempt_schedule+0x16/0x18
[  319.387791]  ? bpf_test_run+0x1c0/0x5a0
[  319.391782]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.396194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.401749]  ? bpf_test_init.isra.9+0x70/0x100
[  319.406339]  ? bpf_prog_test_run_skb+0x634/0xb40
[  319.411108]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.415953]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.421492]  ? fput+0x130/0x1a0
[  319.424774]  ? __bpf_prog_get+0x9b/0x290
[  319.428844]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.433687]  ? bpf_prog_test_run+0x130/0x1a0
[  319.438103]  ? __x64_sys_bpf+0x3d8/0x510
[  319.442185]  ? bpf_prog_get+0x20/0x20
[  319.445996]  ? ksys_ioctl+0x81/0xd0
[  319.449634]  ? do_syscall_64+0x1b9/0x820
[  319.453697]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.459063]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.463996]  ? trace_hardirqs_off+0x300/0x300
[  319.468495]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.473510]  ? recalc_sigpending_tsk+0x180/0x180
[  319.478279]  ? kasan_check_write+0x14/0x20
[  319.482525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.487382]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.492769] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  319.492802] rcu: INFO: rcu_preempt self-detected stall on CPU
[  319.499697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.499705] Call Trace:
[  319.514925]  <IRQ>
[  319.517807] rcu: 	1-...!: (92 ticks this GP) idle=71a/1/0x4000000000000004 softirq=20693/20693 fqs=0 
[  319.519635]  dump_stack+0x1c4/0x2b4
[  319.519652]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.519679]  warn_alloc.cold.118+0xb7/0x1bd
[  319.519695]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.519713]  ? lock_downgrade+0x900/0x900
[  319.519738]  ? trace_hardirqs_off+0xb8/0x300
[  319.519758]  ? trace_hardirqs_off+0xb8/0x300
[  319.519779]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.519831]  ? warn_alloc+0x120/0x120
[  319.529490] rcu: 	
[  319.533118]  ? warn_alloc+0x120/0x120
[  319.538282]  (t=10552 jiffies g=20393 q=12)
[  319.542590]  ? print_usage_bug+0xc0/0xc0
[  319.547415] rcu: rcu_preempt kthread starved for 10552 jiffies! g20393 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  319.551544]  ? warn_alloc+0x120/0x120
[  319.555930] rcu: RCU grace-period kthread stack dump:
[  319.560331]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  319.565154] rcu_preempt     R
[  319.568947]  ? print_usage_bug+0xc0/0xc0
[  319.571071]   running task    
[  319.574868]  ? __lock_acquire+0x7ec/0x4ec0
[  319.579170] 23064    10      2 0x80000000
[  319.583213]  ? __lock_acquire+0x7ec/0x4ec0
[  319.593672] Call Trace:
[  319.597466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.602641]  __schedule+0x86c/0x1ed0
[  319.607637]  ? should_fail+0x22d/0xd01
[  319.610729]  ? __sched_text_start+0x8/0x8
[  319.614770]  ? __lock_acquire+0x7ec/0x4ec0
[  319.617952]  ? __mod_timer+0x6f6/0x1870
[  319.622169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.626303]  ? add_timer_on+0x9f0/0x9f0
[  319.630520]  ? __lock_acquire+0x7ec/0x4ec0
[  319.633093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  319.638615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.642328]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  319.646200]  ? __lock_acquire+0x7ec/0x4ec0
[  319.650332]  ? trace_hardirqs_on+0xbd/0x310
[  319.654551]  ? should_fail+0x22d/0xd01
[  319.658508]  ? kasan_check_read+0x11/0x20
[  319.663597]  ? mark_held_locks+0x130/0x130
[  319.667554]  ? prepare_to_swait_event+0x25a/0x800
[  319.671769]  ? mark_held_locks+0x130/0x130
[  319.676866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.681959]  ? graph_lock+0x170/0x170
[  319.687051]  schedule+0xfe/0x460
[  319.691283]  ? print_usage_bug+0xc0/0xc0
[  319.695583]  ? __schedule+0x1ed0/0x1ed0
[  319.699450]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.699469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.703605]  ? prepare_to_swait_event+0x25a/0x800
[  319.707838]  ? check_preemption_disabled+0x48/0x200
[  319.712661]  ? __init_swait_queue_head+0x150/0x150
[  319.716878]  ? check_preemption_disabled+0x48/0x200
[  319.722311]  ? __lockdep_init_map+0x105/0x590
[  319.726099]  ? __lock_is_held+0xb5/0x140
[  319.729443]  ? lockdep_init_map+0x9/0x10
[  319.733491]  __alloc_pages_nodemask+0xa80/0xde0
[  319.737449]  schedule_timeout+0x140/0x260
[  319.742183]  ? graph_lock+0x170/0x170
[  319.747701]  ? usleep_range+0x1a0/0x1a0
[  319.752532]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.757538]  ? __next_timer_interrupt+0x1a0/0x1a0
[  319.762443]  ? graph_lock+0x170/0x170
[  319.767443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.771926]  ? find_held_lock+0x36/0x1c0
[  319.775971]  rcu_gp_kthread+0x9d9/0x2310
[  319.780019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.784685]  ? rcu_gp_init+0x1830/0x1830
[  319.788797]  ? lock_downgrade+0x900/0x900
[  319.792581]  ? update_curr+0x344/0xbe0
[  319.796546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.801557]  ? graph_lock+0x170/0x170
[  319.806386]  cache_grow_begin+0x91/0x8c0
[  319.810168]  ? __account_cfs_rq_runtime+0x790/0x790
[  319.815689]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.819730]  ? __lock_acquire+0x7ec/0x4ec0
[  319.823792]  fallback_alloc+0x203/0x2e0
[  319.828441]  ? graph_lock+0x170/0x170
[  319.832492]  ____cache_alloc_node+0x1c7/0x1e0
[  319.836629]  ? mark_held_locks+0x130/0x130
[  319.840503]  kmem_cache_alloc_node+0xe3/0x730
[  319.846029]  ? __lock_is_held+0xb5/0x140
[  319.849812]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.853857]  ? __account_cfs_rq_runtime+0x790/0x790
[  319.853884]  ? set_next_entity+0x30c/0xc40
[  319.858885]  __alloc_skb+0x119/0x770
[  319.863269]  ? mark_held_locks+0x130/0x130
[  319.867501]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.871468]  ? rcu_read_lock_sched_held+0x108/0x120
[  319.875251]  ? skb_scrub_packet+0x490/0x490
[  319.879730]  ? select_task_rq_fair+0x34f0/0x34f0
[  319.883955]  ? lock_downgrade+0x900/0x900
[  319.888434]  ? __enqueue_entity+0x10d/0x1f0
[  319.892485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.896699]  ? graph_lock+0x170/0x170
[  319.901698]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.905916]  ? lock_repin_lock+0x251/0x430
[  319.909614]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.913838]  ? graph_lock+0x170/0x170
[  319.919106]  ? addrconf_rs_timer+0x6f0/0x6f0
[  319.924106]  ? put_prev_task_stop+0x300/0xa10
[  319.928421]  ndisc_alloc_skb+0x144/0x340
[  319.933156]  ? lock_repin_lock+0x250/0x430
[  319.937284]  ndisc_send_rs+0x331/0x6e0
[  319.941589]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.947110]  addrconf_rs_timer+0x3c0/0x6f0
[  319.950890]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.956333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.960557]  ? lockdep_hardirqs_on+0x421/0x5c0
[  319.966001]  call_timer_fn+0x272/0x920
[  319.969778]  ? trace_hardirqs_on+0xbd/0x310
[  319.974169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.978654]  ? kasan_check_read+0x11/0x20
[  319.982697]  ? process_timeout+0x40/0x40
[  319.986920]  ? mark_held_locks+0x130/0x130
[  319.990789]  ? find_held_lock+0x36/0x1c0
[  319.995285]  ? audit_add_watch+0xae1/0xdc0
[  319.999505]  ? mark_held_locks+0xc7/0x130
[  320.003984]  ? kasan_check_write+0x14/0x20
[  320.008200]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.012764]  ? finish_task_switch+0x2f5/0x900
[  320.016631]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.020934]  ? __switch_to_asm+0x40/0x70
[  320.025155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.029284]  ? preempt_notifier_register+0x200/0x200
[  320.033327]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  320.037556]  ? __switch_to_asm+0x34/0x70
[  320.041601]  ? trace_hardirqs_on+0xbd/0x310
[  320.045818]  ? __switch_to_asm+0x34/0x70
[  320.049964]  ? kasan_check_read+0x11/0x20
[  320.054178]  ? __switch_to_asm+0x40/0x70
[  320.058706]  ? __run_timers+0x7da/0xc70
[  320.063182]  ? __switch_to_asm+0x40/0x70
[  320.067662]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.071709]  ? __switch_to_asm+0x34/0x70
[  320.075936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.081010]  ? __switch_to_asm+0x40/0x70
[  320.085576]  __run_timers+0x7e5/0xc70
[  320.089622]  ? __switch_to_asm+0x34/0x70
[  320.093937]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  320.097969]  ? __switch_to_asm+0x34/0x70
[  320.102109]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.106152]  ? __switch_to_asm+0x40/0x70
[  320.110108]  ? graph_lock+0x170/0x170
[  320.114174]  ? __switch_to_asm+0x40/0x70
[  320.119621]  ? print_usage_bug+0xc0/0xc0
[  320.123664]  ? __switch_to_asm+0x34/0x70
[  320.128004]  ? lock_release+0x970/0x970
[  320.132048]  ? __switch_to_asm+0x40/0x70
[  320.135841]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.139890]  ? __schedule+0x874/0x1ed0
[  320.145236]  ? find_held_lock+0x36/0x1c0
[  320.149280]  ? __switch_to_asm+0x40/0x70
[  320.154280]  ? graph_lock+0x170/0x170
[  320.158323]  ? __switch_to_asm+0x40/0x70
[  320.162110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.166155]  ? graph_lock+0x170/0x170
[  320.170203]  ? check_preemption_disabled+0x48/0x200
[  320.174247]  ? __sched_text_start+0x8/0x8
[  320.178207]  ? __lock_is_held+0xb5/0x140
[  320.182263]  ? find_held_lock+0x36/0x1c0
[  320.187446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.191319]  ? __kthread_parkme+0xce/0x1a0
[  320.195369]  ? check_preemption_disabled+0x48/0x200
[  320.199416]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.203208]  run_timer_softirq+0x52/0xb0
[  320.207250]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.212768]  ? rcu_read_lock_sched_held+0x108/0x120
[  320.216553]  ? lockdep_hardirqs_on+0x421/0x5c0
[  320.221554]  __do_softirq+0x30b/0xad8
[  320.225691]  ? trace_hardirqs_on+0xbd/0x310
[  320.229739]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.233801]  ? kasan_check_read+0x11/0x20
[  320.239329]  ? pvclock_read_flags+0x160/0x160
[  320.243560]  ? __kthread_parkme+0xce/0x1a0
[  320.248557]  ? lapic_next_event+0x5a/0x90
[  320.253642]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.257706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.262790]  ? kasan_check_write+0x14/0x20
[  320.267793]  ? check_preemption_disabled+0x48/0x200
[  320.272362]  ? do_raw_spin_lock+0xc1/0x200
[  320.276155]  ? check_preemption_disabled+0x48/0x200
[  320.280459]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.285545]  ? kvm_clock_read+0x18/0x30
[  320.289675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.294153]  ? kvm_sched_clock_read+0x9/0x20
[  320.298387]  ? __kthread_parkme+0xfb/0x1a0
[  320.302517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.307952]  kthread+0x35a/0x420
[  320.313472]  ? check_preemption_disabled+0x48/0x200
[  320.317689]  ? rcu_gp_init+0x1830/0x1830
[  320.322697]  irq_exit+0x17f/0x1c0
[  320.326912]  ? kthread_bind+0x40/0x40
[  320.331918]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.336999]  ret_from_fork+0x3a/0x50
[  320.340960]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.346491] NMI backtrace for cpu 1
[  320.350881]  ? interrupt_entry+0xb5/0xf0
[  320.402306]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.407321]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.412342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.417184]  ? trace_hardirqs_off+0x300/0x300
[  320.421680]  ? trace_hardirqs_off+0x300/0x300
[  320.426183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.431721]  ? check_preemption_disabled+0x48/0x200
[  320.436737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.442284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.447138]  apic_timer_interrupt+0xf/0x20
[  320.451372]  </IRQ>
[  320.453614] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  320.458892] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  320.477795] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  320.485517] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  320.492789] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  320.500066] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  320.507333] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  320.514604] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  320.521900]  ? arch_local_irq_restore+0x45/0x52
[  320.526576]  dump_stack+0x26a/0x2b4
[  320.530209]  ? dump_stack_print_info.cold.2+0x52/0x52
[  320.535402]  ? mark_held_locks+0x130/0x130
[  320.539638]  ? mark_held_locks+0x130/0x130
[  320.543886]  dump_header+0x27b/0xf72
[  320.547618]  ? pagefault_out_of_memory+0x197/0x197
[  320.552551]  ? mark_held_locks+0x130/0x130
[  320.556788]  ? __lock_acquire+0x7ec/0x4ec0
[  320.561030]  ? mem_cgroup_charge_statistics+0x780/0x780
[  320.566392]  ? print_usage_bug+0xc0/0xc0
[  320.570451]  ? print_usage_bug+0xc0/0xc0
[  320.574522]  ? graph_lock+0x170/0x170
[  320.578323]  ? graph_lock+0x170/0x170
[  320.582126]  ? print_usage_bug+0xc0/0xc0
[  320.586205]  ? print_usage_bug+0xc0/0xc0
[  320.590274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.595819]  ? find_held_lock+0x36/0x1c0
[  320.599902]  ? mark_held_locks+0xc7/0x130
[  320.604057]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.609164]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.614271]  ? lockdep_hardirqs_on+0x421/0x5c0
[  320.618862]  ? trace_hardirqs_on+0xbd/0x310
[  320.623184]  ? kasan_check_read+0x11/0x20
[  320.627333]  ? ___ratelimit+0x36f/0x655
[  320.631307]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.636759]  ? trace_hardirqs_on+0x310/0x310
[  320.641171]  ? lock_downgrade+0x900/0x900
[  320.645326]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.650433]  ? ___ratelimit+0xaa/0x655
[  320.654327]  ? idr_get_free+0xec0/0xec0
[  320.658742]  ? kasan_check_write+0x14/0x20
[  320.662984]  ? do_raw_spin_lock+0xc1/0x200
[  320.667226]  oom_kill_process.cold.27+0x10/0x903
[  320.671983]  ? graph_lock+0x170/0x170
[  320.675787]  ? _raw_spin_unlock+0x2c/0x50
[  320.679938]  ? oom_badness+0xe6/0xaa0
[  320.683758]  ? oom_evaluate_task+0x540/0x540
[  320.688174]  ? find_held_lock+0x36/0x1c0
[  320.692245]  ? out_of_memory+0x974/0x14c0
[  320.696397]  ? lock_downgrade+0x900/0x900
[  320.700595]  ? check_preemption_disabled+0x48/0x200
[  320.705620]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.711418]  ? kasan_check_read+0x11/0x20
[  320.715581]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.720865]  ? rcu_bh_qs+0xc0/0xc0
[  320.724412]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.729429]  ? oom_evaluate_task+0x302/0x540
[  320.733856]  out_of_memory+0xa86/0x14c0
[  320.737855]  ? oom_killer_disable+0x3a0/0x3a0
[  320.742355]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  320.747292]  ? __mutex_add_waiter+0x2a0/0x2a0
[  320.751803]  __alloc_pages_slowpath+0x2318/0x2d80
[  320.756693]  ? warn_alloc+0x120/0x120
[  320.760506]  ? find_get_entry+0x2f2/0xc40
[  320.764667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.770209]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  320.775142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.780695]  ? should_fail+0x22d/0xd01
[  320.784592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.789699]  ? __lock_is_held+0xb5/0x140
[  320.793788]  ? __lock_is_held+0xb5/0x140
[  320.797873]  ? find_held_lock+0x36/0x1c0
[  320.801938]  ? ___might_sleep+0x1ed/0x300
[  320.806083]  ? lock_release+0x970/0x970
[  320.810058]  ? arch_local_save_flags+0x40/0x40
[  320.814655]  ? __might_sleep+0x95/0x190
[  320.818635]  __alloc_pages_nodemask+0xa80/0xde0
[  320.823310]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  320.828332]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.834134]  ? kasan_check_read+0x11/0x20
[  320.838287]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.843567]  ? graph_lock+0x170/0x170
[  320.847373]  ? print_usage_bug+0xc0/0xc0
[  320.851436]  ? graph_lock+0x170/0x170
[  320.855232]  ? graph_lock+0x170/0x170
[  320.859034]  ? __do_page_cache_readahead+0x7ce/0x980
[  320.864142]  ? find_held_lock+0x36/0x1c0
[  320.868224]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.873764]  alloc_pages_current+0x10c/0x210
[  320.878206]  ? lock_downgrade+0x900/0x900
[  320.882363]  __page_cache_alloc+0x38f/0x5b0
[  320.886689]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.892486]  ? kasan_check_read+0x11/0x20
[  320.896637]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.901917]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  320.906590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.912136]  ? check_preemption_disabled+0x48/0x200
[  320.917164]  filemap_fault+0x1594/0x25f0
[  320.921237]  ? __lock_page_or_retry+0xa00/0xa00
[  320.925906]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.931705]  ? kasan_check_read+0x11/0x20
[  320.935862]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.941138]  ? rcu_bh_qs+0xc0/0xc0
[  320.944695]  ? filemap_map_pages+0xdea/0x1980
[  320.949215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.954325]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  320.959598]  ? debug_object_free+0x325/0x690
[  320.964012]  ? find_get_pages_range_tag+0x1320/0x1320
[  320.969207]  ? graph_lock+0x170/0x170
[  320.973015]  ? kasan_check_read+0x11/0x20
[  320.977161]  ? debug_object_destroy+0x2b0/0x2b0
[  320.981855]  ? lock_acquire+0x1ed/0x520
[  320.985848]  ? ext4_filemap_fault+0x7a/0xad
[  320.990179]  ? lock_release+0x970/0x970
[  320.994154]  ? arch_local_save_flags+0x40/0x40
[  320.998742]  ? futex_wait_setup+0x3e0/0x3e0
[  321.003082]  ? down_read+0xb0/0x1d0
[  321.006709]  ? ext4_filemap_fault+0x7a/0xad
[  321.011030]  ? __down_interruptible+0x700/0x700
[  321.015715]  ext4_filemap_fault+0x82/0xad
[  321.019873]  __do_fault+0x100/0x6b0
[  321.023503]  ? print_bad_pte+0x6c0/0x6c0
[  321.027565]  ? do_futex+0x249/0x26d0
[  321.031282]  ? pmd_val+0x88/0x100
[  321.034739]  ? add_mm_counter_fast+0xd0/0xd0
[  321.039149]  ? pmd_val+0x88/0x100
[  321.042601]  ? add_mm_counter_fast+0xd0/0xd0
[  321.047014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.052560]  __handle_mm_fault+0x3709/0x53e0
[  321.056998]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  321.061862]  ? graph_lock+0x170/0x170
[  321.065667]  ? print_usage_bug+0xc0/0xc0
[  321.069731]  ? graph_lock+0x170/0x170
[  321.073884]  ? graph_lock+0x170/0x170
[  321.077706]  ? handle_mm_fault+0x42a/0xc70
[  321.081941]  ? lock_downgrade+0x900/0x900
[  321.086096]  ? check_preemption_disabled+0x48/0x200
[  321.091119]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  321.096917]  ? kasan_check_read+0x11/0x20
[  321.101068]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  321.106350]  ? rcu_bh_qs+0xc0/0xc0
[  321.109891]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.115349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.120887]  ? check_preemption_disabled+0x48/0x200
[  321.125912]  handle_mm_fault+0x54f/0xc70
[  321.129977]  ? __handle_mm_fault+0x53e0/0x53e0
[  321.134566]  ? find_vma+0x34/0x190
[  321.138115]  __do_page_fault+0x67d/0xed0
[  321.142187]  ? mm_fault_error+0x380/0x380
[  321.146333]  ? trace_hardirqs_off+0xb8/0x300
[  321.150744]  ? trace_hardirqs_on+0x310/0x310
[  321.155155]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.160517]  ? trace_hardirqs_on+0x310/0x310
[  321.164936]  do_page_fault+0xf2/0x7e0
[  321.168740]  ? vmalloc_sync_all+0x30/0x30
[  321.172893]  ? error_entry+0x70/0xd0
[  321.176610]  ? trace_hardirqs_off_caller+0xbb/0x300
[  321.181627]  ? trace_hardirqs_on_caller+0xc0/0x300
[  321.186558]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.191487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.196328]  ? trace_hardirqs_off+0x300/0x300
[  321.200832]  ? trace_hardirqs_off_caller+0x300/0x300
[  321.206172]  ? prepare_exit_to_usermode+0x291/0x3b0
[  321.211193]  ? page_fault+0x8/0x30
[  321.214740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.219587]  ? page_fault+0x8/0x30
[  321.223127]  page_fault+0x1e/0x30
[  321.226581] RIP: 0033:0x40f9c0
[  321.229781] Code: Bad RIP value.
[  321.233145] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  321.238508] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  321.245794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  321.253067] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  321.260335] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  321.267603] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  321.274897] warn_alloc_show_mem: 1 callbacks suppressed
[  321.274909] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  321.274911] Mem-Info:
[  321.274942] active_anon:52539 inactive_anon:923 isolated_anon:0
[  321.274942]  active_file:16 inactive_file:19 isolated_file:0
[  321.274942]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.274942]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  321.274942]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  321.274942]  free:13650 free_pcp:205 free_cma:0
[  321.280275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.280283] Call Trace:
[  321.287581] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.289984]  <IRQ>
[  321.322946] Node 0 
[  321.332308]  dump_stack+0x1c4/0x2b4
[  321.334894] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  321.362624]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.364746] lowmem_reserve[]:
[  321.366982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.370577]  0 2817
[  321.396084]  ? trace_hardirqs_off+0xb8/0x300
[  321.401243]  6321
[  321.404375]  nmi_cpu_backtrace.cold.3+0x63/0xa2
[  321.409873]  6321
[  321.412111]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  321.416498] Node 0 
[  321.418567]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  321.423230] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.425264]  arch_trigger_cpumask_backtrace+0x14/0x20
[  321.430422] lowmem_reserve[]: 0
[  321.432667]  rcu_dump_cpu_stacks+0x175/0x1c2
[  321.437905]  0 3503
[  321.464906]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.470066]  3503
[  321.473353]  print_cpu_stall.cold.78+0x2d3/0x524
[  321.477724] Node 0 
[  321.479959]  ? rcu_dynticks_snap+0x30/0x30
[  321.484967] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  321.487002]  ? check_preemption_disabled+0x48/0x200
[  321.491721] lowmem_reserve[]: 0
[  321.493964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.498168]  0
[  321.526551]  ? check_preemption_disabled+0x48/0x200
[  321.531535]  0
[  321.534815]  ? check_preemption_disabled+0x48/0x200
[  321.540329]  0
[  321.542133]  ? rcu_test_sync_prims+0x30/0x30
[  321.547120] Node 0 
[  321.548932]  ? __lock_is_held+0xb5/0x140
[  321.553913] DMA: 1*4kB 
[  321.555721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.560098] (U) 
[  321.562333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.566370] 0*8kB 
[  321.568953]  ? check_preemption_disabled+0x48/0x200
[  321.574460] 0*16kB 
[  321.576433]  rcu_check_callbacks+0xfd9/0x1990
[  321.581941] 1*32kB 
[  321.584093]  ? rcu_cpu_stall_reset+0x220/0x220
[  321.589070] (U) 2*64kB 
[  321.591310]  ? lock_release+0x970/0x970
[  321.595771] (U) 1*128kB 
[  321.598019]  ? graph_lock+0x170/0x170
[  321.602564] (U) 1*256kB 
[  321.605156]  ? graph_lock+0x170/0x170
[  321.609107] (U) 
[  321.611775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.615547] 0*512kB 
[  321.618213]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  321.621981] 1*1024kB (U) 
[  321.623960]  ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0
[  321.629470] 1*2048kB 
[  321.631797]  ? graph_lock+0x170/0x170
[  321.636338] (M) 
[  321.639094]  ? timekeeping_advance+0x3cc/0xc00
[  321.645300] 3*4096kB 
[  321.647708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.651473] (M) = 15908kB
[  321.653455]  ? check_preemption_disabled+0x48/0x200
[  321.658008] Node 0 
[  321.660416]  ? check_preemption_disabled+0x48/0x200
[  321.665926] DMA32: 
[  321.668684]  ? trace_hardirqs_off+0xb8/0x300
[  321.673670] 2*4kB 
[  321.675902]  ? __lock_is_held+0xb5/0x140
[  321.680888] (M) 
[  321.683123]  ? trace_hardirqs_on+0x310/0x310
[  321.687502] 1*8kB (U) 
[  321.689657]  ? check_preemption_disabled+0x48/0x200
[  321.693690] 4*16kB 
[  321.695663]  ? raise_softirq+0x199/0x420
[  321.700041] (UM) 
[  321.702533]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  321.707514] 2*32kB (UM) 
[  321.709763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.713789] 3*64kB (UM) 
[  321.715862]  ? check_preemption_disabled+0x48/0x200
[  321.715881]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.720559] 4*128kB 
[  321.723220]  ? hrtimer_run_queues+0x9a/0x400
[  321.728740] (UM) 2*256kB 
[  321.731414]  ? run_local_timers+0x19b/0x230
[  321.736405] (M) 
[  321.741934]  ? timer_clear_idle+0x90/0x90
[  321.744237] 4*512kB 
[  321.748635]  ? debug_smp_processor_id+0x1c/0x20
[  321.751368] (UM) 
[  321.755728]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  321.757671] 3*1024kB (M) 
[  321.761846]  ? account_process_tick+0x282/0x350
[  321.764147] 1*2048kB 
[  321.768807]  update_process_times+0x2d/0x70
[  321.770850] (M) 
[  321.776817]  tick_sched_handle+0x9f/0x180
[  321.779552] 4*4096kB (M) 
[  321.784219]  tick_sched_timer+0x45/0x130
[  321.786615] = 24912kB
[  321.790933]  __hrtimer_run_queues+0x41c/0x10d0
[  321.792883] Node 0 
[  321.797028]  ? tick_sched_do_timer+0x1a0/0x1a0
[  321.799756] Normal: 
[  321.803809]  ? hrtimer_start_range_ns+0xe00/0xe00
[  321.806200] 2389*4kB 
[  321.810778]  ? pvclock_read_flags+0x160/0x160
[  321.812989] (UME) 
[  321.817566]  ? trace_hardirqs_on+0x310/0x310
[  321.819866] 378*8kB 
[  321.824705]  ? kvm_clock_read+0x18/0x30
[  321.827084] (UME) 
[  321.831577]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  321.833703] 73*16kB 
[  321.838107]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  321.840403] (UM) 
[  321.844374]  ? do_timer+0x50/0x50
[  321.846496] 1*32kB 
[  321.851503]  ? trace_hardirqs_on+0x310/0x310
[  321.853794] (U) 0*64kB 
[  321.859169]  ? do_raw_spin_lock+0xc1/0x200
[  321.861198] 0*128kB 0*256kB 
[  321.864655]  hrtimer_interrupt+0x313/0x780
[  321.866867] 0*512kB 
[  321.871282]  smp_apic_timer_interrupt+0x1a1/0x760
[  321.873835] 0*1024kB 
[  321.878065]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.881064] 0*2048kB 0*4096kB 
[  321.885300]  ? interrupt_entry+0xb5/0xf0
[  321.887604] = 13780kB
[  321.887618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.892450]  ? trace_hardirqs_off_caller+0xbb/0x300
[  321.894884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.900757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.903921] 4510 total pagecache pages
[  321.907976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.910369] 0 pages in swap cache
[  321.919189]  ? trace_hardirqs_off+0x300/0x300
[  321.924184] Swap cache stats: add 0, delete 0, find 0/0
[  321.932756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.937385] Free swap  = 0kB
[  321.937394] Total swap = 0kB
[  321.941280]  apic_timer_interrupt+0xf/0x20
[  321.946113] 1965979 pages RAM
[  321.949564] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  321.954030] 0 pages HighMem/MovableOnly
[  321.959381] Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 5c 6f 90 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 9a 42
[  321.964195] 342744 pages reserved
[  321.964204] 0 pages cma reserved
[  321.967213] RSP: 0000:ffff8801daf07450 EFLAGS: 00000282
[  321.970274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.974426]  ORIG_RAX: ffffffffffffff13
[  321.974435] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10034c78da9
[  321.974444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  321.974452] RBP: ffff8801daf074c0 R08: ffff8801a63c6d48 R09: 0000000000000002
[  321.974465] R10: 0000000000000000 R11: ffff8801a63c6480 R12: ffff8801d9be7680
[  321.977665] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.982942] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
[  321.982960]  ? apic_timer_interrupt+0xa/0x20
[  321.986911] syz-fuzzer cpuset=
[  322.005839]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.009251] /
[  322.012617]  __alloc_skb+0x119/0x770
[  322.017951]  mems_allowed=0
[  322.024438]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.100923]  ? skb_scrub_packet+0x490/0x490
[  322.105247]  ? lock_downgrade+0x900/0x900
[  322.109407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.114946]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.120402]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.125859]  ? addrconf_rs_timer+0x6f0/0x6f0
[  322.130284]  ndisc_alloc_skb+0x144/0x340
[  322.134356]  ndisc_send_rs+0x331/0x6e0
[  322.138251]  addrconf_rs_timer+0x3c0/0x6f0
[  322.142495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.146743]  call_timer_fn+0x272/0x920
[  322.150743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.155000]  ? process_timeout+0x40/0x40
[  322.159060]  ? find_held_lock+0x36/0x1c0
[  322.163140]  ? __run_timers+0x7da/0xc70
[  322.167116]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.171612]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.176106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.180351]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  322.184941]  ? trace_hardirqs_on+0xbd/0x310
[  322.189269]  ? kasan_check_read+0x11/0x20
[  322.193424]  ? __run_timers+0x7da/0xc70
[  322.197404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.202869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.207111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.211352]  __run_timers+0x7e5/0xc70
[  322.215173]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  322.220541]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.225851]  ? rcu_bh_qs+0xc0/0xc0
[  322.229400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.234943]  ? check_preemption_disabled+0x48/0x200
[  322.239973]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.244764]  ? retint_kernel+0x2d/0x2d
[  322.248657]  ? trace_hardirqs_on_caller+0xc0/0x300
[  322.253589]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.258357]  ? trace_hardirqs_off_caller+0x300/0x300
[  322.263469]  ? check_preemption_disabled+0x48/0x200
[  322.268490]  ? graph_lock+0x170/0x170
[  322.272317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.277867]  ? check_preemption_disabled+0x48/0x200
[  322.282898]  ? __lock_is_held+0xb5/0x140
[  322.286960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.292502]  ? check_preemption_disabled+0x48/0x200
[  322.297529]  run_timer_softirq+0x52/0xb0
[  322.301595]  ? rcu_read_lock_sched_held+0x108/0x120
[  322.306617]  __do_softirq+0x30b/0xad8
[  322.310428]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  322.315542]  ? pvclock_read_flags+0x160/0x160
[  322.320036]  ? lapic_next_event+0x5a/0x90
[  322.324186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.329731]  ? check_preemption_disabled+0x48/0x200
[  322.334747]  ? check_preemption_disabled+0x48/0x200
[  322.339768]  ? kvm_clock_read+0x18/0x30
[  322.343745]  ? kvm_sched_clock_read+0x9/0x20
[  322.348163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.353708]  ? check_preemption_disabled+0x48/0x200
[  322.358750]  irq_exit+0x17f/0x1c0
[  322.362209]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.367051]  ? smp_reschedule_interrupt+0x109/0x650
[  322.372073]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.377964]  ? interrupt_entry+0xb5/0xf0
[  322.382025]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.387049]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.392068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.396911]  ? trace_hardirqs_off+0x300/0x300
[  322.401406]  ? trace_hardirqs_off+0x300/0x300
[  322.405903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.411447]  ? check_preemption_disabled+0x48/0x200
[  322.416463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.422012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.426869]  apic_timer_interrupt+0xf/0x20
[  322.431097]  </IRQ>
[  322.433341] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  322.438278] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  322.457182] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  322.464899] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  322.472192] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  322.479465] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  322.486738] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  322.494009] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  322.501328]  skb_clone+0x1bb/0x500
[  322.504881]  ? finish_task_switch+0x2f5/0x900
[  322.509382]  ? skb_split+0x11e0/0x11e0
[  322.513278]  ? preempt_notifier_register+0x200/0x200
[  322.518381]  ? __switch_to_asm+0x34/0x70
[  322.522445]  ? __switch_to_asm+0x34/0x70
[  322.526504]  ? __switch_to_asm+0x40/0x70
[  322.530562]  ? __switch_to_asm+0x34/0x70
[  322.534641]  ? __switch_to_asm+0x40/0x70
[  322.538701]  ? __switch_to_asm+0x34/0x70
[  322.542760]  ? __switch_to_asm+0x40/0x70
[  322.546829]  ? __switch_to_asm+0x34/0x70
[  322.550897]  ? __switch_to_asm+0x34/0x70
[  322.554960]  ? __switch_to_asm+0x40/0x70
[  322.559018]  ? __switch_to_asm+0x34/0x70
[  322.563089]  bpf_clone_redirect+0xb9/0x490
[  322.567333]  ? __schedule+0x874/0x1ed0
[  322.571234]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  322.576252]  ? __sched_text_start+0x8/0x8
[  322.580402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.585172]  ? find_held_lock+0x36/0x1c0
[  322.589240]  ? lock_acquire+0x1ed/0x520
[  322.593217]  ? bpf_test_run+0x32e/0x5a0
[  322.597193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.602734]  ? check_preemption_disabled+0x48/0x200
[  322.607757]  ? kasan_check_read+0x11/0x20
[  322.611909]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.617186]  ? rcu_bh_qs+0xc0/0xc0
[  322.620727]  ? preempt_schedule+0x4d/0x60
[  322.624880]  ? ___preempt_schedule+0x16/0x18
[  322.629300]  ? bpf_test_run+0x1c0/0x5a0
[  322.633285]  ? netlink_diag_dump+0x2a0/0x2a0
[  322.637698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.643252]  ? bpf_test_init.isra.9+0x70/0x100
[  322.647846]  ? bpf_prog_test_run_skb+0x634/0xb40
[  322.652615]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.657458]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.662994]  ? fput+0x130/0x1a0
[  322.666279]  ? __bpf_prog_get+0x9b/0x290
[  322.670343]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.675195]  ? bpf_prog_test_run+0x130/0x1a0
[  322.679611]  ? __x64_sys_bpf+0x3d8/0x510
[  322.683672]  ? bpf_prog_get+0x20/0x20
[  322.687482]  ? ksys_ioctl+0x81/0xd0
[  322.691124]  ? do_syscall_64+0x1b9/0x820
[  322.695190]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  322.700556]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.705487]  ? trace_hardirqs_off+0x300/0x300
[  322.709989]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  322.715008]  ? recalc_sigpending_tsk+0x180/0x180
[  322.719769]  ? kasan_check_write+0x14/0x20
[  322.724011]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.728870]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  322.734265] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  322.734667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.741190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.741199] Call Trace:
[  322.747779] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.757021]  <IRQ>
[  322.759594] syz-executor2 cpuset=
[  322.770075]  dump_stack+0x1c4/0x2b4
[  322.772197] syz2
[  322.775641]  ? dump_stack_print_info.cold.2+0x52/0x52
[  322.779243]  mems_allowed=0
[  322.781220]  warn_alloc.cold.118+0xb7/0x1bd
[  322.793600]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.798450]  ? lock_downgrade+0x900/0x900
[  322.802609]  ? trace_hardirqs_off+0xb8/0x300
[  322.807023]  ? trace_hardirqs_off+0xb8/0x300
[  322.811440]  __alloc_pages_slowpath+0x2667/0x2d80
[  322.816315]  ? warn_alloc+0x120/0x120
[  322.820130]  ? warn_alloc+0x120/0x120
[  322.823932]  ? print_usage_bug+0xc0/0xc0
[  322.827994]  ? warn_alloc+0x120/0x120
[  322.831798]  ? print_usage_bug+0xc0/0xc0
[  322.835873]  ? __lock_acquire+0x7ec/0x4ec0
[  322.840108]  ? __lock_acquire+0x7ec/0x4ec0
[  322.844347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.849886]  ? should_fail+0x22d/0xd01
[  322.853780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.858883]  ? __lock_acquire+0x7ec/0x4ec0
[  322.863125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.868224]  ? __lock_acquire+0x7ec/0x4ec0
[  322.872458]  ? should_fail+0x22d/0xd01
[  322.876361]  ? mark_held_locks+0x130/0x130
[  322.880604]  ? mark_held_locks+0x130/0x130
[  322.884853]  ? graph_lock+0x170/0x170
[  322.888656]  ? graph_lock+0x170/0x170
[  322.892462]  ? graph_lock+0x170/0x170
[  322.896264]  ? print_usage_bug+0xc0/0xc0
[  322.900328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.905871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.911416]  ? check_preemption_disabled+0x48/0x200
[  322.916435]  ? check_preemption_disabled+0x48/0x200
[  322.921467]  ? __lock_is_held+0xb5/0x140
[  322.925535]  __alloc_pages_nodemask+0xa80/0xde0
[  322.930206]  ? graph_lock+0x170/0x170
[  322.934016]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  322.939029]  ? graph_lock+0x170/0x170
[  322.942860]  ? find_held_lock+0x36/0x1c0
[  322.946940]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.951613]  ? lock_downgrade+0x900/0x900
[  322.955771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.961315]  cache_grow_begin+0x91/0x8c0
[  322.965378]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.969794]  fallback_alloc+0x203/0x2e0
[  322.973785]  ____cache_alloc_node+0x1c7/0x1e0
[  322.978290]  kmem_cache_alloc_node+0xe3/0x730
[  322.982790]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.987044]  __alloc_skb+0x119/0x770
[  322.990762]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.996042]  ? skb_scrub_packet+0x490/0x490
[  323.000369]  ? lock_downgrade+0x900/0x900
[  323.004531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.010091]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.015556]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.021008]  ? addrconf_rs_timer+0x6f0/0x6f0
[  323.025429]  ndisc_alloc_skb+0x144/0x340
[  323.029495]  ndisc_send_rs+0x331/0x6e0
[  323.033391]  addrconf_rs_timer+0x3c0/0x6f0
[  323.037631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.041890]  call_timer_fn+0x272/0x920
[  323.045780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.050019]  ? process_timeout+0x40/0x40
[  323.054079]  ? find_held_lock+0x36/0x1c0
[  323.058153]  ? mark_held_locks+0xc7/0x130
[  323.062303]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.066838]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.071342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.076065]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  323.080653]  ? trace_hardirqs_on+0xbd/0x310
[  323.084977]  ? kasan_check_read+0x11/0x20
[  323.089128]  ? __run_timers+0x7da/0xc70
[  323.093111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.098574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.102816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.107071]  __run_timers+0x7e5/0xc70
[  323.110897]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  323.116266]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.121287]  ? graph_lock+0x170/0x170
[  323.125093]  ? print_usage_bug+0xc0/0xc0
[  323.129153]  ? lock_release+0x970/0x970
[  323.133134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.138337]  ? find_held_lock+0x36/0x1c0
[  323.142407]  ? graph_lock+0x170/0x170
[  323.146213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.151757]  ? check_preemption_disabled+0x48/0x200
[  323.156785]  ? __lock_is_held+0xb5/0x140
[  323.160867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.166409]  ? check_preemption_disabled+0x48/0x200
[  323.171461]  run_timer_softirq+0x52/0xb0
[  323.175526]  ? rcu_read_lock_sched_held+0x108/0x120
[  323.180546]  __do_softirq+0x30b/0xad8
[  323.184362]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  323.189479]  ? pvclock_read_flags+0x160/0x160
[  323.193974]  ? lapic_next_event+0x5a/0x90
[  323.198124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.203670]  ? check_preemption_disabled+0x48/0x200
[  323.208886]  ? check_preemption_disabled+0x48/0x200
[  323.213916]  ? kvm_clock_read+0x18/0x30
[  323.217891]  ? kvm_sched_clock_read+0x9/0x20
[  323.222308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.227864]  ? check_preemption_disabled+0x48/0x200
[  323.232895]  irq_exit+0x17f/0x1c0
[  323.236357]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.241213]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.247102]  ? interrupt_entry+0xb5/0xf0
[  323.251166]  ? trace_hardirqs_off_caller+0xbb/0x300
[  323.256182]  ? trace_hardirqs_off_caller+0xbb/0x300
[  323.261201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.266044]  ? trace_hardirqs_off+0x300/0x300
[  323.270545]  ? trace_hardirqs_off+0x300/0x300
[  323.275043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.280583]  ? check_preemption_disabled+0x48/0x200
[  323.285600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.291149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.296001]  apic_timer_interrupt+0xf/0x20
[  323.300231]  </IRQ>
[  323.302474] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  323.307755] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  323.326654] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  323.334379] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  323.341645] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  323.348913] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  323.356182] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  323.363449] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  323.370739]  ? arch_local_irq_restore+0x45/0x52
[  323.375418]  dump_stack+0x26a/0x2b4
[  323.379049]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.384254]  ? mark_held_locks+0x130/0x130
[  323.388491]  ? mark_held_locks+0x130/0x130
[  323.392734]  dump_header+0x27b/0xf72
[  323.396461]  ? pagefault_out_of_memory+0x197/0x197
[  323.401398]  ? mark_held_locks+0x130/0x130
[  323.405630]  ? __lock_acquire+0x7ec/0x4ec0
[  323.409880]  ? mem_cgroup_charge_statistics+0x780/0x780
[  323.415277]  ? print_usage_bug+0xc0/0xc0
[  323.419339]  ? print_usage_bug+0xc0/0xc0
[  323.423408]  ? graph_lock+0x170/0x170
[  323.427215]  ? graph_lock+0x170/0x170
[  323.431019]  ? print_usage_bug+0xc0/0xc0
[  323.435079]  ? print_usage_bug+0xc0/0xc0
[  323.439150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.444700]  ? find_held_lock+0x36/0x1c0
[  323.448770]  ? mark_held_locks+0xc7/0x130
[  323.452925]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.458028]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.463136]  ? lockdep_hardirqs_on+0x421/0x5c0
[  323.467723]  ? trace_hardirqs_on+0xbd/0x310
[  323.472044]  ? kasan_check_read+0x11/0x20
[  323.476192]  ? ___ratelimit+0x36f/0x655
[  323.480168]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.485617]  ? trace_hardirqs_on+0x310/0x310
[  323.490025]  ? lock_downgrade+0x900/0x900
[  323.494182]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.499290]  ? ___ratelimit+0xaa/0x655
[  323.503180]  ? idr_get_free+0xec0/0xec0
[  323.507157]  ? kasan_check_write+0x14/0x20
[  323.511391]  ? do_raw_spin_lock+0xc1/0x200
[  323.515637]  oom_kill_process.cold.27+0x10/0x903
[  323.520484]  ? graph_lock+0x170/0x170
[  323.524288]  ? _raw_spin_unlock+0x2c/0x50
[  323.528435]  ? oom_badness+0xe6/0xaa0
[  323.532262]  ? oom_evaluate_task+0x540/0x540
[  323.536679]  ? find_held_lock+0x36/0x1c0
[  323.540746]  ? out_of_memory+0x974/0x14c0
[  323.544895]  ? lock_downgrade+0x900/0x900
[  323.549046]  ? check_preemption_disabled+0x48/0x200
[  323.554069]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.559873]  ? kasan_check_read+0x11/0x20
[  323.564021]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.569298]  ? rcu_bh_qs+0xc0/0xc0
[  323.572858]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.577889]  ? oom_evaluate_task+0x302/0x540
[  323.582319]  out_of_memory+0xa86/0x14c0
[  323.586303]  ? oom_killer_disable+0x3a0/0x3a0
[  323.590802]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  323.595747]  ? __mutex_add_waiter+0x2a0/0x2a0
[  323.600254]  __alloc_pages_slowpath+0x2318/0x2d80
[  323.605129]  ? warn_alloc+0x120/0x120
[  323.608945]  ? find_get_entry+0x2f2/0xc40
[  323.613102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.618640]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  323.623567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.629106]  ? should_fail+0x22d/0xd01
[  323.632999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.638102]  ? __lock_is_held+0xb5/0x140
[  323.642190]  ? __lock_is_held+0xb5/0x140
[  323.646256]  ? find_held_lock+0x36/0x1c0
[  323.650322]  ? ___might_sleep+0x1ed/0x300
[  323.654467]  ? lock_release+0x970/0x970
[  323.658445]  ? arch_local_save_flags+0x40/0x40
[  323.663042]  ? __might_sleep+0x95/0x190
[  323.667027]  __alloc_pages_nodemask+0xa80/0xde0
[  323.671709]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  323.676732]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.682535]  ? kasan_check_read+0x11/0x20
[  323.686684]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.691965]  ? graph_lock+0x170/0x170
[  323.695795]  ? print_usage_bug+0xc0/0xc0
[  323.699873]  ? graph_lock+0x170/0x170
[  323.703673]  ? graph_lock+0x170/0x170
[  323.707477]  ? __do_page_cache_readahead+0x7ce/0x980
[  323.712585]  ? find_held_lock+0x36/0x1c0
[  323.716651]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  323.722192]  alloc_pages_current+0x10c/0x210
[  323.726601]  ? lock_downgrade+0x900/0x900
[  323.730758]  __page_cache_alloc+0x38f/0x5b0
[  323.735084]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.740886]  ? kasan_check_read+0x11/0x20
[  323.745034]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.750315]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  323.754989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.760532]  ? check_preemption_disabled+0x48/0x200
[  323.765557]  filemap_fault+0x1594/0x25f0
[  323.769631]  ? __lock_page_or_retry+0xa00/0xa00
[  323.774302]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.780100]  ? kasan_check_read+0x11/0x20
[  323.784252]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.789532]  ? rcu_bh_qs+0xc0/0xc0
[  323.793089]  ? filemap_map_pages+0xdea/0x1980
[  323.797595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.802709]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  323.807982]  ? debug_object_free+0x325/0x690
[  323.812398]  ? find_get_pages_range_tag+0x1320/0x1320
[  323.817594]  ? graph_lock+0x170/0x170
[  323.821434]  ? kasan_check_read+0x11/0x20
[  323.825584]  ? debug_object_destroy+0x2b0/0x2b0
[  323.830269]  ? lock_acquire+0x1ed/0x520
[  323.834248]  ? ext4_filemap_fault+0x7a/0xad
[  323.838573]  ? lock_release+0x970/0x970
[  323.842566]  ? arch_local_save_flags+0x40/0x40
[  323.847153]  ? futex_wait_setup+0x3e0/0x3e0
[  323.851492]  ? down_read+0xb0/0x1d0
[  323.855117]  ? ext4_filemap_fault+0x7a/0xad
[  323.859441]  ? __down_interruptible+0x700/0x700
[  323.864128]  ext4_filemap_fault+0x82/0xad
[  323.868286]  __do_fault+0x100/0x6b0
[  323.871915]  ? print_bad_pte+0x6c0/0x6c0
[  323.875986]  ? do_futex+0x249/0x26d0
[  323.879708]  ? pmd_val+0x88/0x100
[  323.883168]  ? add_mm_counter_fast+0xd0/0xd0
[  323.887572]  ? pmd_val+0x88/0x100
[  323.891030]  ? add_mm_counter_fast+0xd0/0xd0
[  323.895447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.900994]  __handle_mm_fault+0x3709/0x53e0
[  323.905426]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  323.910275]  ? graph_lock+0x170/0x170
[  323.914079]  ? print_usage_bug+0xc0/0xc0
[  323.918143]  ? graph_lock+0x170/0x170
[  323.921945]  ? graph_lock+0x170/0x170
[  323.925772]  ? handle_mm_fault+0x42a/0xc70
[  323.930006]  ? lock_downgrade+0x900/0x900
[  323.934158]  ? check_preemption_disabled+0x48/0x200
[  323.939185]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.944987]  ? kasan_check_read+0x11/0x20
[  323.949143]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.954420]  ? rcu_bh_qs+0xc0/0xc0
[  323.957961]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.963413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.968955]  ? check_preemption_disabled+0x48/0x200
[  323.973984]  handle_mm_fault+0x54f/0xc70
[  323.978055]  ? __handle_mm_fault+0x53e0/0x53e0
[  323.982640]  ? find_vma+0x34/0x190
[  323.986191]  __do_page_fault+0x67d/0xed0
[  323.990265]  ? mm_fault_error+0x380/0x380
[  323.994415]  ? trace_hardirqs_off+0xb8/0x300
[  323.998832]  ? trace_hardirqs_on+0x310/0x310
[  324.003254]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.008642]  ? trace_hardirqs_on+0x310/0x310
[  324.013064]  do_page_fault+0xf2/0x7e0
[  324.016874]  ? vmalloc_sync_all+0x30/0x30
[  324.021025]  ? error_entry+0x70/0xd0
[  324.024740]  ? trace_hardirqs_off_caller+0xbb/0x300
[  324.029756]  ? trace_hardirqs_on_caller+0xc0/0x300
[  324.034700]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.039632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.044479]  ? trace_hardirqs_off+0x300/0x300
[  324.048972]  ? trace_hardirqs_off_caller+0x300/0x300
[  324.054084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.059107]  ? page_fault+0x8/0x30
[  324.062656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.067506]  ? page_fault+0x8/0x30
[  324.071048]  page_fault+0x1e/0x30
[  324.074501] RIP: 0033:0x40f9c0
[  324.077699] Code: Bad RIP value.
[  324.081061] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  324.086423] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  324.093694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  324.100960] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  324.108226] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  324.115495] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  324.122797] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  324.122799] Mem-Info:
[  324.122838] active_anon:52539 inactive_anon:923 isolated_anon:0
[  324.122838]  active_file:16 inactive_file:19 isolated_file:0
[  324.122838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.122838]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  324.122838]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  324.122838]  free:13650 free_pcp:205 free_cma:0
[  324.130082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.130091] Call Trace:
[  324.132536] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.165477]  <IRQ>
[  324.174822] Node 0 
[  324.177428]  dump_stack+0x1c4/0x2b4
[  324.205190] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  324.207319]  ? dump_stack_print_info.cold.2+0x52/0x52
[  324.209515] lowmem_reserve[]: 0
[  324.213153]  warn_alloc.cold.118+0xb7/0x1bd
[  324.238619]  2817 6321
[  324.243833]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.247072]  6321
[  324.251398]  ? lock_downgrade+0x900/0x900
[  324.253876] Node 0 
[  324.258714]  ? trace_hardirqs_off+0xb8/0x300
[  324.260775] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  324.264903]  ? trace_hardirqs_off+0xb8/0x300
[  324.267110] lowmem_reserve[]:
[  324.271518]  __alloc_pages_slowpath+0x2667/0x2d80
[  324.298489]  0
[  324.302936]  ? warn_alloc+0x120/0x120
[  324.305982]  0
[  324.310831]  ? trace_hardirqs_on+0x310/0x310
[  324.312604]  3503
[  324.316409]  ? warn_alloc+0x120/0x120
[  324.318186]  3503
[  324.322591]  ? print_usage_bug+0xc0/0xc0
[  324.328420]  ? warn_alloc+0x120/0x120
[  324.330458] Node 0 
[  324.334512]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  324.334529]  ? print_usage_bug+0xc0/0xc0
[  324.338336] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  324.340539]  ? __lock_acquire+0x7ec/0x4ec0
[  324.345523] lowmem_reserve[]: 0
[  324.349584]  ? __lock_acquire+0x7ec/0x4ec0
[  324.377930]  0
[  324.382166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.385411]  0 0
[  324.389648]  ? should_fail+0x22d/0xd01
[  324.391425] Node 0 
[  324.396959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.398915] DMA: 
[  324.402796]  ? __lock_acquire+0x7ec/0x4ec0
[  324.405009] 1*4kB 
[  324.410106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.412142] (U) 
[  324.416374]  ? __lock_acquire+0x7ec/0x4ec0
[  324.418499] 0*8kB 
[  324.423592]  ? should_fail+0x22d/0xd01
[  324.425546] 0*16kB 
[  324.429769]  ? print_usage_bug+0xc0/0xc0
[  324.429792]  ? mark_held_locks+0x130/0x130
[  324.431913] 1*32kB (U) 
[  324.435802]  ? mark_held_locks+0x130/0x130
[  324.438013] 2*64kB 
[  324.442071]  ? graph_lock+0x170/0x170
[  324.446284] (U) 
[  324.448861]  ? print_usage_bug+0xc0/0xc0
[  324.448879]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.453089] 1*128kB 
[  324.455321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.459092] (U) 
[  324.461068]  ? check_preemption_disabled+0x48/0x200
[  324.465100] 1*256kB 
[  324.469854]  ? check_preemption_disabled+0x48/0x200
[  324.472160] (U) 
[  324.477698]  ? __lock_is_held+0xb5/0x140
[  324.479638] 0*512kB 1*1024kB 
[  324.484659]  __alloc_pages_nodemask+0xa80/0xde0
[  324.486958] (U) 
[  324.491989]  ? graph_lock+0x170/0x170
[  324.493959] 1*2048kB 
[  324.498017]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  324.501096] (M) 
[  324.505765]  ? graph_lock+0x170/0x170
[  324.507720] 3*4096kB 
[  324.511518]  ? find_held_lock+0x36/0x1c0
[  324.513897] (M) 
[  324.518911]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.520862] = 15908kB
[  324.524688]  ? lock_downgrade+0x900/0x900
[  324.527074] Node 0 
[  324.531151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.533098] DMA32: 2*4kB 
[  324.537776]  cache_grow_begin+0x91/0x8c0
[  324.540161] (M) 
[  324.544307]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.546516] 1*8kB 
[  324.552051]  fallback_alloc+0x203/0x2e0
[  324.554778] (U) 
[  324.558844]  ____cache_alloc_node+0x1c7/0x1e0
[  324.560797] 4*16kB 
[  324.565200]  kmem_cache_alloc_node+0xe3/0x730
[  324.567325] (UM) 
[  324.571319]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.573268] 2*32kB (UM) 
[  324.577769]  __alloc_skb+0x119/0x770
[  324.579978] 3*64kB 
[  324.584470]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.586502] (UM) 
[  324.590730]  ? skb_scrub_packet+0x490/0x490
[  324.593380] 4*128kB (UM) 
[  324.597096]  ? lock_downgrade+0x900/0x900
[  324.599306] 2*256kB 
[  324.604585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.606616] (M) 
[  324.610931]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.613664] 4*512kB 
[  324.617803]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.620102] (UM) 
[  324.625635]  ? addrconf_rs_timer+0x6f0/0x6f0
[  324.627585] 3*1024kB 
[  324.633034]  ndisc_alloc_skb+0x144/0x340
[  324.635326] (M) 
[  324.640778]  ndisc_send_rs+0x331/0x6e0
[  324.642815] 1*2048kB 
[  324.647229]  addrconf_rs_timer+0x3c0/0x6f0
[  324.649613] (M) 
[  324.653669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.655618] 4*4096kB 
[  324.659504]  call_timer_fn+0x272/0x920
[  324.661878] (M) 
[  324.666108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.668057] = 24912kB
[  324.672288]  ? process_timeout+0x40/0x40
[  324.674676] Node 0 
[  324.678558]  ? find_held_lock+0x36/0x1c0
[  324.680503] Normal: 2389*4kB 
[  324.684742]  ? __run_timers+0x7da/0xc70
[  324.687123] (UME) 
[  324.691181]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.693387] 378*8kB (UME) 
[  324.697467]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.700552] 73*16kB 
[  324.704522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.706647] (UM) 
[  324.711134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  324.713954] 1*32kB 
[  324.718444]  ? trace_hardirqs_on+0xbd/0x310
[  324.720743] (U) 
[  324.724974]  ? kasan_check_read+0x11/0x20
[  324.727009] 0*64kB 
[  324.731587]  ? __run_timers+0x7da/0xc70
[  324.733796] 0*128kB 
[  324.738110]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.740064] 0*256kB 
[  324.744209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.746426] 0*512kB 
[  324.750395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.752693] 0*1024kB 
[  324.758136]  __run_timers+0x7e5/0xc70
[  324.760433] 0*2048kB 
[  324.764667]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  324.766953] 0*4096kB = 13780kB
[  324.771194]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  324.773584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.777370]  ? rcu_bh_qs+0xc0/0xc0
[  324.779762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.785112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.788278] 4510 total pagecache pages
[  324.793551]  ? check_preemption_disabled+0x48/0x200
[  324.802365] 0 pages in swap cache
[  324.805897]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.814440] Swap cache stats: add 0, delete 0, find 0/0
[  324.814448] Free swap  = 0kB
[  324.819996]  ? retint_kernel+0x2d/0x2d
[  324.823862] Total swap = 0kB
[  324.828875]  ? trace_hardirqs_on_caller+0xc0/0x300
[  324.832435] 1965979 pages RAM
[  324.837185]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.842514] 0 pages HighMem/MovableOnly
[  324.842523] 342744 pages reserved
[  324.845536]  ? trace_hardirqs_off_caller+0x300/0x300
[  324.849396] 0 pages cma reserved
[  324.852412]  ? check_preemption_disabled+0x48/0x200
[  324.857375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.860409]  ? graph_lock+0x170/0x170
[  324.865318] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.869196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.872628] syz-fuzzer cpuset=
[  324.877731]  ? check_preemption_disabled+0x48/0x200
[  324.881064] /
[  324.886082]  ? __lock_is_held+0xb5/0x140
[  324.892546]  mems_allowed=0
[  324.896339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.934439]  ? check_preemption_disabled+0x48/0x200
[  324.939469]  run_timer_softirq+0x52/0xb0
[  324.943532]  ? rcu_read_lock_sched_held+0x108/0x120
[  324.948568]  __do_softirq+0x30b/0xad8
[  324.952389]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  324.957503]  ? pvclock_read_flags+0x160/0x160
[  324.962001]  ? lapic_next_event+0x5a/0x90
[  324.966151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.971695]  ? check_preemption_disabled+0x48/0x200
[  324.976713]  ? check_preemption_disabled+0x48/0x200
[  324.981735]  ? kvm_clock_read+0x18/0x30
[  324.985709]  ? kvm_sched_clock_read+0x9/0x20
[  324.990121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.995662]  ? check_preemption_disabled+0x48/0x200
[  325.000699]  irq_exit+0x17f/0x1c0
[  325.004159]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.009013]  ? smp_reschedule_interrupt+0x109/0x650
[  325.014035]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.019923]  ? interrupt_entry+0xb5/0xf0
[  325.023991]  ? trace_hardirqs_off_caller+0xbb/0x300
[  325.029023]  ? trace_hardirqs_off_caller+0xbb/0x300
[  325.034042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.038889]  ? trace_hardirqs_off+0x300/0x300
[  325.043383]  ? trace_hardirqs_off+0x300/0x300
[  325.047885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.053426]  ? check_preemption_disabled+0x48/0x200
[  325.058441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.063990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.068851]  apic_timer_interrupt+0xf/0x20
[  325.073079]  </IRQ>
[  325.075533] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  325.080468] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  325.099378] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  325.107140] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  325.114406] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  325.121677] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  325.128958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  325.136229] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  325.143546]  skb_clone+0x1bb/0x500
[  325.147089]  ? finish_task_switch+0x2f5/0x900
[  325.151589]  ? skb_split+0x11e0/0x11e0
[  325.155478]  ? preempt_notifier_register+0x200/0x200
[  325.160580]  ? __switch_to_asm+0x34/0x70
[  325.164645]  ? __switch_to_asm+0x34/0x70
[  325.168707]  ? __switch_to_asm+0x40/0x70
[  325.173118]  ? __switch_to_asm+0x34/0x70
[  325.177176]  ? __switch_to_asm+0x40/0x70
[  325.181233]  ? __switch_to_asm+0x34/0x70
[  325.185291]  ? __switch_to_asm+0x40/0x70
[  325.189353]  ? __switch_to_asm+0x34/0x70
[  325.193416]  ? __switch_to_asm+0x34/0x70
[  325.197474]  ? __switch_to_asm+0x40/0x70
[  325.201536]  ? __switch_to_asm+0x34/0x70
[  325.206125]  bpf_clone_redirect+0xb9/0x490
[  325.210369]  ? __schedule+0x874/0x1ed0
[  325.214266]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  325.219284]  ? __sched_text_start+0x8/0x8
[  325.223436]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.228219]  ? find_held_lock+0x36/0x1c0
[  325.232289]  ? lock_acquire+0x1ed/0x520
[  325.236263]  ? bpf_test_run+0x32e/0x5a0
[  325.240239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.245780]  ? check_preemption_disabled+0x48/0x200
[  325.250804]  ? kasan_check_read+0x11/0x20
[  325.254964]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  325.260244]  ? rcu_bh_qs+0xc0/0xc0
[  325.263791]  ? preempt_schedule+0x4d/0x60
[  325.267948]  ? ___preempt_schedule+0x16/0x18
[  325.272369]  ? bpf_test_run+0x1c0/0x5a0
[  325.276362]  ? netlink_diag_dump+0x2a0/0x2a0
[  325.280775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.286333]  ? bpf_test_init.isra.9+0x70/0x100
[  325.290931]  ? bpf_prog_test_run_skb+0x634/0xb40
[  325.295693]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  325.300536]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  325.306070]  ? fput+0x130/0x1a0
[  325.309356]  ? __bpf_prog_get+0x9b/0x290
[  325.313424]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  325.318263]  ? bpf_prog_test_run+0x130/0x1a0
[  325.322674]  ? __x64_sys_bpf+0x3d8/0x510
[  325.326747]  ? bpf_prog_get+0x20/0x20
[  325.330557]  ? ksys_ioctl+0x81/0xd0
[  325.334194]  ? do_syscall_64+0x1b9/0x820
[  325.338260]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  325.343634]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.348575]  ? trace_hardirqs_off+0x300/0x300
[  325.353072]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.358091]  ? recalc_sigpending_tsk+0x180/0x180
[  325.362880]  ? kasan_check_write+0x14/0x20
[  325.367127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.371996]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  325.377386] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  325.377458] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.384321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.384326] Call Trace:
[  325.384334]  <IRQ>
[  325.384354]  dump_stack+0x1c4/0x2b4
[  325.384371]  ? dump_stack_print_info.cold.2+0x52/0x52
[  325.384397]  warn_alloc.cold.118+0xb7/0x1bd
[  325.390922] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.400219]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.402780] syz-executor2 cpuset=
[  325.404924]  ? lock_downgrade+0x900/0x900
[  325.408532] syz2
[  325.413721]  ? trace_hardirqs_off+0xb8/0x300
[  325.418016]  mems_allowed=0
[  325.428493]  ? trace_hardirqs_off+0xb8/0x300
[  325.454563]  __alloc_pages_slowpath+0x2667/0x2d80
[  325.459439]  ? warn_alloc+0x120/0x120
[  325.463243]  ? trace_hardirqs_on+0x310/0x310
[  325.467654]  ? warn_alloc+0x120/0x120
[  325.471456]  ? print_usage_bug+0xc0/0xc0
[  325.475519]  ? warn_alloc+0x120/0x120
[  325.479320]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  325.484357]  ? print_usage_bug+0xc0/0xc0
[  325.488438]  ? __lock_acquire+0x7ec/0x4ec0
[  325.492682]  ? __lock_acquire+0x7ec/0x4ec0
[  325.496918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.502463]  ? should_fail+0x22d/0xd01
[  325.506359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.511464]  ? __lock_acquire+0x7ec/0x4ec0
[  325.515706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.520809]  ? __lock_acquire+0x7ec/0x4ec0
[  325.525053]  ? should_fail+0x22d/0xd01
[  325.528939]  ? print_usage_bug+0xc0/0xc0
[  325.533009]  ? mark_held_locks+0x130/0x130
[  325.537247]  ? mark_held_locks+0x130/0x130
[  325.541493]  ? graph_lock+0x170/0x170
[  325.545292]  ? print_usage_bug+0xc0/0xc0
[  325.549354]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.554113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.559652]  ? check_preemption_disabled+0x48/0x200
[  325.564667]  ? check_preemption_disabled+0x48/0x200
[  325.569695]  ? __lock_is_held+0xb5/0x140
[  325.573763]  __alloc_pages_nodemask+0xa80/0xde0
[  325.578445]  ? graph_lock+0x170/0x170
[  325.582257]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  325.587276]  ? graph_lock+0x170/0x170
[  325.591096]  ? find_held_lock+0x36/0x1c0
[  325.595167]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.599845]  ? lock_downgrade+0x900/0x900
[  325.604009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.609556]  cache_grow_begin+0x91/0x8c0
[  325.613624]  ? do_raw_spin_unlock+0xa7/0x2f0
[  325.618042]  fallback_alloc+0x203/0x2e0
[  325.622025]  ____cache_alloc_node+0x1c7/0x1e0
[  325.626530]  kmem_cache_alloc_node+0xe3/0x730
[  325.631031]  ? ipv6_get_ifaddr+0x42e/0x620
[  325.635277]  __alloc_skb+0x119/0x770
[  325.638994]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  325.644277]  ? skb_scrub_packet+0x490/0x490
[  325.648597]  ? lock_downgrade+0x900/0x900
[  325.652755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.658294]  ? refcount_sub_and_test_checked+0x203/0x310
[  325.663752]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  325.669293]  ? addrconf_rs_timer+0x6f0/0x6f0
[  325.673717]  ndisc_alloc_skb+0x144/0x340
[  325.677788]  ndisc_send_rs+0x331/0x6e0
[  325.681685]  addrconf_rs_timer+0x3c0/0x6f0
[  325.685925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.690173]  call_timer_fn+0x272/0x920
[  325.694061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.698297]  ? process_timeout+0x40/0x40
[  325.702370]  ? find_held_lock+0x36/0x1c0
[  325.706441]  ? mark_held_locks+0xc7/0x130
[  325.710612]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.715109]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.719604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.723853]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  325.728442]  ? trace_hardirqs_on+0xbd/0x310
[  325.732767]  ? kasan_check_read+0x11/0x20
[  325.736916]  ? __run_timers+0x7da/0xc70
[  325.740892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.746365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.750652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.754886]  __run_timers+0x7e5/0xc70
[  325.758703]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  325.764074]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  325.769089]  ? graph_lock+0x170/0x170
[  325.772899]  ? print_usage_bug+0xc0/0xc0
[  325.776960]  ? lock_release+0x970/0x970
[  325.780941]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  325.786143]  ? find_held_lock+0x36/0x1c0
[  325.790207]  ? graph_lock+0x170/0x170
[  325.794011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.799552]  ? check_preemption_disabled+0x48/0x200
[  325.804579]  ? __lock_is_held+0xb5/0x140
[  325.808643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.814180]  ? check_preemption_disabled+0x48/0x200
[  325.819205]  run_timer_softirq+0x52/0xb0
[  325.823271]  ? rcu_read_lock_sched_held+0x108/0x120
[  325.828295]  __do_softirq+0x30b/0xad8
[  325.832109]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  325.837221]  ? pvclock_read_flags+0x160/0x160
[  325.841717]  ? lapic_next_event+0x5a/0x90
[  325.845873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.851413]  ? check_preemption_disabled+0x48/0x200
[  325.856445]  ? check_preemption_disabled+0x48/0x200
[  325.861498]  ? kvm_clock_read+0x18/0x30
[  325.865482]  ? kvm_sched_clock_read+0x9/0x20
[  325.869895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.875433]  ? check_preemption_disabled+0x48/0x200
[  325.880461]  irq_exit+0x17f/0x1c0
[  325.883917]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.888761]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.894655]  ? interrupt_entry+0xb5/0xf0
[  325.898730]  ? trace_hardirqs_off_caller+0xbb/0x300
[  325.903744]  ? trace_hardirqs_off_caller+0xbb/0x300
[  325.908764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.913605]  ? trace_hardirqs_off+0x300/0x300
[  325.918097]  ? trace_hardirqs_off+0x300/0x300
[  325.922597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.928137]  ? check_preemption_disabled+0x48/0x200
[  325.933155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.938698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.943550]  apic_timer_interrupt+0xf/0x20
[  325.947780]  </IRQ>
[  325.950018] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  325.955297] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  325.974199] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  325.981909] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  325.989174] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  325.996453] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  326.003742] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  326.011009] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  326.018291]  ? arch_local_irq_restore+0x45/0x52
[  326.022967]  dump_stack+0x26a/0x2b4
[  326.026598]  ? dump_stack_print_info.cold.2+0x52/0x52
[  326.031791]  ? mark_held_locks+0x130/0x130
[  326.036033]  ? mark_held_locks+0x130/0x130
[  326.040275]  dump_header+0x27b/0xf72
[  326.044019]  ? pagefault_out_of_memory+0x197/0x197
[  326.048956]  ? mark_held_locks+0x130/0x130
[  326.053193]  ? __lock_acquire+0x7ec/0x4ec0
[  326.057431]  ? mem_cgroup_charge_statistics+0x780/0x780
[  326.062798]  ? print_usage_bug+0xc0/0xc0
[  326.066870]  ? print_usage_bug+0xc0/0xc0
[  326.070939]  ? graph_lock+0x170/0x170
[  326.074765]  ? graph_lock+0x170/0x170
[  326.078568]  ? print_usage_bug+0xc0/0xc0
[  326.082625]  ? print_usage_bug+0xc0/0xc0
[  326.086692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.092236]  ? find_held_lock+0x36/0x1c0
[  326.096594]  ? mark_held_locks+0xc7/0x130
[  326.100742]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.105859]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.110973]  ? lockdep_hardirqs_on+0x421/0x5c0
[  326.115559]  ? trace_hardirqs_on+0xbd/0x310
[  326.119884]  ? kasan_check_read+0x11/0x20
[  326.124036]  ? ___ratelimit+0x36f/0x655
[  326.128013]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  326.133469]  ? trace_hardirqs_on+0x310/0x310
[  326.137893]  ? lock_downgrade+0x900/0x900
[  326.142050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.147153]  ? ___ratelimit+0xaa/0x655
[  326.151045]  ? idr_get_free+0xec0/0xec0
[  326.155022]  ? kasan_check_write+0x14/0x20
[  326.159260]  ? do_raw_spin_lock+0xc1/0x200
[  326.163506]  oom_kill_process.cold.27+0x10/0x903
[  326.168263]  ? graph_lock+0x170/0x170
[  326.172062]  ? _raw_spin_unlock+0x2c/0x50
[  326.176209]  ? oom_badness+0xe6/0xaa0
[  326.180019]  ? oom_evaluate_task+0x540/0x540
[  326.184434]  ? find_held_lock+0x36/0x1c0
[  326.188506]  ? out_of_memory+0x974/0x14c0
[  326.192658]  ? lock_downgrade+0x900/0x900
[  326.196809]  ? check_preemption_disabled+0x48/0x200
[  326.201859]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  326.207672]  ? kasan_check_read+0x11/0x20
[  326.211833]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  326.217120]  ? rcu_bh_qs+0xc0/0xc0
[  326.220667]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.225680]  ? oom_evaluate_task+0x302/0x540
[  326.230093]  out_of_memory+0xa86/0x14c0
[  326.234076]  ? oom_killer_disable+0x3a0/0x3a0
[  326.238571]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  326.243509]  ? __mutex_add_waiter+0x2a0/0x2a0
[  326.248044]  __alloc_pages_slowpath+0x2318/0x2d80
[  326.252918]  ? warn_alloc+0x120/0x120
[  326.256733]  ? find_get_entry+0x2f2/0xc40
[  326.260895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.266448]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  326.271415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.276956]  ? should_fail+0x22d/0xd01
[  326.280861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.285968]  ? __lock_is_held+0xb5/0x140
[  326.290056]  ? __lock_is_held+0xb5/0x140
[  326.294128]  ? find_held_lock+0x36/0x1c0
[  326.298196]  ? ___might_sleep+0x1ed/0x300
[  326.302345]  ? lock_release+0x970/0x970
[  326.306335]  ? arch_local_save_flags+0x40/0x40
[  326.310945]  ? __might_sleep+0x95/0x190
[  326.314923]  __alloc_pages_nodemask+0xa80/0xde0
[  326.319605]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  326.324627]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  326.330430]  ? kasan_check_read+0x11/0x20
[  326.334581]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  326.339868]  ? graph_lock+0x170/0x170
[  326.343676]  ? print_usage_bug+0xc0/0xc0
[  326.347747]  ? graph_lock+0x170/0x170
[  326.351545]  ? graph_lock+0x170/0x170
[  326.355354]  ? __do_page_cache_readahead+0x7ce/0x980
[  326.360467]  ? find_held_lock+0x36/0x1c0
[  326.364548]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  326.370094]  alloc_pages_current+0x10c/0x210
[  326.374500]  ? lock_downgrade+0x900/0x900
[  326.378653]  __page_cache_alloc+0x38f/0x5b0
[  326.382991]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  326.388831]  ? kasan_check_read+0x11/0x20
[  326.392985]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  326.398264]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  326.402938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.408477]  ? check_preemption_disabled+0x48/0x200
[  326.413501]  filemap_fault+0x1594/0x25f0
[  326.417623]  ? __lock_page_or_retry+0xa00/0xa00
[  326.422290]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  326.428091]  ? kasan_check_read+0x11/0x20
[  326.432241]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  326.437522]  ? rcu_bh_qs+0xc0/0xc0
[  326.441079]  ? filemap_map_pages+0xdea/0x1980
[  326.445581]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.450692]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  326.455965]  ? debug_object_free+0x325/0x690
[  326.460375]  ? find_get_pages_range_tag+0x1320/0x1320
[  326.465570]  ? graph_lock+0x170/0x170
[  326.469380]  ? kasan_check_read+0x11/0x20
[  326.473534]  ? debug_object_destroy+0x2b0/0x2b0
[  326.478217]  ? lock_acquire+0x1ed/0x520
[  326.482190]  ? ext4_filemap_fault+0x7a/0xad
[  326.486516]  ? lock_release+0x970/0x970
[  326.490491]  ? arch_local_save_flags+0x40/0x40
[  326.495083]  ? futex_wait_setup+0x3e0/0x3e0
[  326.499422]  ? down_read+0xb0/0x1d0
[  326.503045]  ? ext4_filemap_fault+0x7a/0xad
[  326.507370]  ? __down_interruptible+0x700/0x700
[  326.512059]  ext4_filemap_fault+0x82/0xad
[  326.516214]  __do_fault+0x100/0x6b0
[  326.519872]  ? print_bad_pte+0x6c0/0x6c0
[  326.523950]  ? do_futex+0x249/0x26d0
[  326.527666]  ? pmd_val+0x88/0x100
[  326.531118]  ? add_mm_counter_fast+0xd0/0xd0
[  326.535570]  ? pmd_val+0x88/0x100
[  326.539024]  ? add_mm_counter_fast+0xd0/0xd0
[  326.543436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.548978]  __handle_mm_fault+0x3709/0x53e0
[  326.553397]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  326.558243]  ? graph_lock+0x170/0x170
[  326.562044]  ? print_usage_bug+0xc0/0xc0
[  326.566109]  ? graph_lock+0x170/0x170
[  326.569908]  ? graph_lock+0x170/0x170
[  326.573765]  ? handle_mm_fault+0x42a/0xc70
[  326.578001]  ? lock_downgrade+0x900/0x900
[  326.582152]  ? check_preemption_disabled+0x48/0x200
[  326.587196]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  326.592999]  ? kasan_check_read+0x11/0x20
[  326.597151]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  326.602428]  ? rcu_bh_qs+0xc0/0xc0
[  326.605967]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  326.611418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.616958]  ? check_preemption_disabled+0x48/0x200
[  326.621986]  handle_mm_fault+0x54f/0xc70
[  326.626059]  ? __handle_mm_fault+0x53e0/0x53e0
[  326.630648]  ? find_vma+0x34/0x190
[  326.634194]  __do_page_fault+0x67d/0xed0
[  326.638262]  ? mm_fault_error+0x380/0x380
[  326.642409]  ? trace_hardirqs_off+0xb8/0x300
[  326.646834]  ? trace_hardirqs_on+0x310/0x310
[  326.651254]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  326.656633]  ? trace_hardirqs_on+0x310/0x310
[  326.661049]  do_page_fault+0xf2/0x7e0
[  326.664865]  ? vmalloc_sync_all+0x30/0x30
[  326.669015]  ? error_entry+0x70/0xd0
[  326.672833]  ? trace_hardirqs_off_caller+0xbb/0x300
[  326.677867]  ? trace_hardirqs_on_caller+0xc0/0x300
[  326.682802]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.687737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.692583]  ? trace_hardirqs_off+0x300/0x300
[  326.697076]  ? trace_hardirqs_off_caller+0x300/0x300
[  326.702182]  ? prepare_exit_to_usermode+0x291/0x3b0
[  326.707199]  ? page_fault+0x8/0x30
[  326.710744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.715591]  ? page_fault+0x8/0x30
[  326.719132]  page_fault+0x1e/0x30
[  326.722586] RIP: 0033:0x40f9c0
[  326.725782] Code: Bad RIP value.
[  326.729141] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  326.734523] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  326.741806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  326.749085] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  326.756353] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  326.763646] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  326.770934] warn_alloc_show_mem: 1 callbacks suppressed
[  326.770945] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  326.770947] Mem-Info:
[  326.770980] active_anon:52539 inactive_anon:923 isolated_anon:0
[  326.770980]  active_file:16 inactive_file:19 isolated_file:0
[  326.770980]  unevictable:0 dirty:0 writeback:0 unstable:0
[  326.770980]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  326.770980]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  326.770980]  free:13650 free_pcp:205 free_cma:0
[  326.776309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.776317] Call Trace:
[  326.783599] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  326.785998]  <IRQ>
[  326.818949] Node 0 
[  326.828308]  dump_stack+0x1c4/0x2b4
[  326.830892] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  326.858626]  ? dump_stack_print_info.cold.2+0x52/0x52
[  326.860743] lowmem_reserve[]: 0
[  326.862995]  warn_alloc.cold.118+0xb7/0x1bd
[  326.866585]  2817
[  326.892092]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.897256]  6321
[  326.900533]  ? lock_downgrade+0x900/0x900
[  326.904831]  6321
[  326.906894]  ? trace_hardirqs_off+0xb8/0x300
[  326.913767]  ? trace_hardirqs_off+0xb8/0x300
[  326.917888] Node 0 
[  326.919955]  __alloc_pages_slowpath+0x2667/0x2d80
[  326.924354] DMA32 free:24912kB min:30048kB low:37560kB high:45072kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  326.928773]  ? warn_alloc+0x120/0x120
[  326.930958] lowmem_reserve[]: 0
[  326.935804]  ? warn_alloc+0x120/0x120
[  326.962776]  0 3503
[  326.966587]  ? print_usage_bug+0xc0/0xc0
[  326.969846]  3503
[  326.973639]  ? warn_alloc+0x120/0x120
[  326.979923]  ? print_usage_bug+0xc0/0xc0
[  326.981972] Node 0 
[  326.985767]  ? __lock_acquire+0x7ec/0x4ec0
[  326.989853] Normal free:13780kB min:37364kB low:46704kB high:56044kB active_anon:208108kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5504kB pagetables:2956kB bounce:0kB free_pcp:572kB local_pcp:324kB free_cma:0kB
[  326.992055]  ? __lock_acquire+0x7ec/0x4ec0
[  326.996257] lowmem_reserve[]: 0
[  327.024648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.028863]  0
[  327.032138]  ? should_fail+0x22d/0xd01
[  327.037637]  0 0
[  327.039442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.043301] Node 0 
[  327.045275]  ? __lock_acquire+0x7ec/0x4ec0
[  327.050348] DMA: 
[  327.052583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.056790] 1*4kB 
[  327.058853]  ? __lock_acquire+0x7ec/0x4ec0
[  327.063948] (U) 
[  327.066093]  ? should_fail+0x22d/0xd01
[  327.070294] 0*8kB 0*16kB 
[  327.072279]  ? mark_held_locks+0x130/0x130
[  327.076578] 1*32kB (U) 
[  327.079345]  ? mark_held_locks+0x130/0x130
[  327.083557] 2*64kB 
[  327.086132]  ? graph_lock+0x170/0x170
[  327.090345] (U) 
[  327.092575]  ? graph_lock+0x170/0x170
[  327.096348] 1*128kB (U) 1*256kB 
[  327.098336]  ? graph_lock+0x170/0x170
[  327.102110] (U) 
[  327.105468]  ? print_usage_bug+0xc0/0xc0
[  327.109243] 0*512kB 
[  327.111215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.115251] 1*1024kB 
[  327.117569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.123077] (U) 
[  327.125486]  ? check_preemption_disabled+0x48/0x200
[  327.130996] 1*2048kB 
[  327.132970]  ? check_preemption_disabled+0x48/0x200
[  327.137956] (M) 
[  327.140375]  ? __lock_is_held+0xb5/0x140
[  327.145360] 3*4096kB 
[  327.147330]  __alloc_pages_nodemask+0xa80/0xde0
[  327.151362] (M) 
[  327.153768]  ? graph_lock+0x170/0x170
[  327.158414] = 15908kB
[  327.160387]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  327.164160] Node 0 
[  327.166565]  ? graph_lock+0x170/0x170
[  327.171550] DMA32: 2*4kB 
[  327.173796]  ? find_held_lock+0x36/0x1c0
[  327.177579] (M) 
[  327.180340]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.184368] 1*8kB (U) 
[  327.186345]  ? lock_downgrade+0x900/0x900
[  327.190990] 4*16kB 
[  327.193484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.197599] (UM) 
[  327.199842]  cache_grow_begin+0x91/0x8c0
[  327.205543] 2*32kB (UM) 
[  327.207614]  ? do_raw_spin_unlock+0xa7/0x2f0
[  327.211647] 3*64kB 
[  327.214313]  fallback_alloc+0x203/0x2e0
[  327.218687] (UM) 
[  327.220924]  ____cache_alloc_node+0x1c7/0x1e0
[  327.224877] 4*128kB 
[  327.226937]  kmem_cache_alloc_node+0xe3/0x730
[  327.231402] (UM) 
[  327.233721]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.238183] 2*256kB (M) 
[  327.240259]  __alloc_skb+0x119/0x770
[  327.244461] 4*512kB 
[  327.247126]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  327.250837] (UM) 
[  327.253156]  ? skb_scrub_packet+0x490/0x490
[  327.258405] 3*1024kB (M) 
[  327.260468]  ? lock_downgrade+0x900/0x900
[  327.264766] 1*2048kB 
[  327.267522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.271641] (M) 
[  327.274051]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.279552] 4*4096kB (M) 
[  327.281530]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.286953] = 24912kB
[  327.289705]  ? addrconf_rs_timer+0x6f0/0x6f0
[  327.295129] Node 0 
[  327.297542]  ndisc_alloc_skb+0x144/0x340
[  327.301916] Normal: 
[  327.304155]  ndisc_send_rs+0x331/0x6e0
[  327.308187] 2389*4kB 
[  327.310508]  addrconf_rs_timer+0x3c0/0x6f0
[  327.314368] (UME) 
[  327.316776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.320976] 378*8kB (UME) 
[  327.323141]  call_timer_fn+0x272/0x920
[  327.327333] 73*16kB (UM) 
[  327.330185]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.334047] 1*32kB 
[  327.336802]  ? process_timeout+0x40/0x40
[  327.341006] (U) 
[  327.343235]  ? find_held_lock+0x36/0x1c0
[  327.347272] 0*64kB 
[  327.349247]  ? __run_timers+0x7da/0xc70
[  327.353274] 0*128kB 0*256kB 
[  327.355512]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.359456] 0*512kB 0*1024kB 
[  327.362479]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.366940] 0*2048kB 0*4096kB 
[  327.370052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.374518] = 13780kB
[  327.377706]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  327.381922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.384318]  ? trace_hardirqs_on+0xbd/0x310
[  327.388883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.397708]  ? kasan_check_read+0x11/0x20
[  327.402003] 4510 total pagecache pages
[  327.410574]  ? __run_timers+0x7da/0xc70
[  327.414703] 0 pages in swap cache
[  327.418576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.422528] Swap cache stats: add 0, delete 0, find 0/0
[  327.425976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.431398] Free swap  = 0kB
[  327.436756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.440955] Total swap = 0kB
[  327.440964] 1965979 pages RAM
[  327.443979]  __run_timers+0x7e5/0xc70
[  327.448184] 0 pages HighMem/MovableOnly
[  327.451208]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  327.454317] 342744 pages reserved
[  327.458138]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  327.462090] 0 pages cma reserved
[  327.467447]  ? rcu_bh_qs+0xc0/0xc0
[  327.470941] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.476144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.476162]  ? check_preemption_disabled+0x48/0x200
[  327.476185]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.479597] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.483054]  ? retint_kernel+0x2d/0x2d
[  327.489525] syz-fuzzer cpuset=
[  327.495075]  ? trace_hardirqs_on_caller+0xc0/0x300
[  327.500064] /
[  327.504813]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.515029]  mems_allowed=0
[  327.518908]  ? trace_hardirqs_off_caller+0x300/0x300
[  327.541448]  ? check_preemption_disabled+0x48/0x200
[  327.546468]  ? graph_lock+0x170/0x170
[  327.550275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.555815]  ? check_preemption_disabled+0x48/0x200
[  327.560860]  ? __lock_is_held+0xb5/0x140
[  327.564929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.570468]  ? check_preemption_disabled+0x48/0x200
[  327.575494]  run_timer_softirq+0x52/0xb0
[  327.579563]  ? rcu_read_lock_sched_held+0x108/0x120
[  327.584580]  __do_softirq+0x30b/0xad8
[  327.588396]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  327.593509]  ? pvclock_read_flags+0x160/0x160
[  327.598007]  ? lapic_next_event+0x5a/0x90
[  327.602160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.607701]  ? check_preemption_disabled+0x48/0x200
[  327.612718]  ? check_preemption_disabled+0x48/0x200
[  327.617740]  ? kvm_clock_read+0x18/0x30
[  327.621713]  ? kvm_sched_clock_read+0x9/0x20
[  327.626123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.631669]  ? check_preemption_disabled+0x48/0x200
[  327.636698]  irq_exit+0x17f/0x1c0
[  327.640156]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.644999]  ? smp_reschedule_interrupt+0x109/0x650
[  327.650017]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.655901]  ? interrupt_entry+0xb5/0xf0
[  327.659964]  ? trace_hardirqs_off_caller+0xbb/0x300
[  327.664977]  ? trace_hardirqs_off_caller+0xbb/0x300
[  327.669999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.674850]  ? trace_hardirqs_off+0x300/0x300
[  327.679343]  ? trace_hardirqs_off+0x300/0x300
[  327.683850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.689391]  ? check_preemption_disabled+0x48/0x200
[  327.694407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.699952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.704804]  apic_timer_interrupt+0xf/0x20
[  327.709037]  </IRQ>
[  327.711280] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  327.716210] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42
[  327.735109] RSP: 0000:ffff8801a3517748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  327.742819] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  327.750094] RDX: 0000000000000000 RSI: ffff8801a63c6d00 RDI: 0000000000000282
[  327.757364] RBP: ffff8801a35177b0 R08: ffff8801a63c6480 R09: 0000000000000000
[  327.764633] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  327.771900] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  327.779216]  skb_clone+0x1bb/0x500
[  327.782762]  ? finish_task_switch+0x2f5/0x900
[  327.787259]  ? skb_split+0x11e0/0x11e0
[  327.791148]  ? preempt_notifier_register+0x200/0x200
[  327.796251]  ? __switch_to_asm+0x34/0x70
[  327.800314]  ? __switch_to_asm+0x34/0x70
[  327.804379]  ? __switch_to_asm+0x40/0x70
[  327.808437]  ? __switch_to_asm+0x34/0x70
[  327.812493]  ? __switch_to_asm+0x40/0x70
[  327.816555]  ? __switch_to_asm+0x34/0x70
[  327.820614]  ? __switch_to_asm+0x40/0x70
[  327.824671]  ? __switch_to_asm+0x34/0x70
[  327.828728]  ? __switch_to_asm+0x34/0x70
[  327.832791]  ? __switch_to_asm+0x40/0x70
[  327.836861]  ? __switch_to_asm+0x34/0x70
[  327.840936]  bpf_clone_redirect+0xb9/0x490
[  327.845280]  ? __schedule+0x874/0x1ed0
[  327.849178]  bpf_prog_bebbfe2050753572+0xdca/0x1000
[  327.854195]  ? __sched_text_start+0x8/0x8
[  327.858345]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.863120]  ? find_held_lock+0x36/0x1c0
[  327.867192]  ? lock_acquire+0x1ed/0x520
[  327.871166]  ? bpf_test_run+0x32e/0x5a0
[  327.875143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.880681]  ? check_preemption_disabled+0x48/0x200
[  327.885704]  ? kasan_check_read+0x11/0x20
[  327.889863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  327.895144]  ? rcu_bh_qs+0xc0/0xc0
[  327.898688]  ? preempt_schedule+0x4d/0x60
[  327.902847]  ? ___preempt_schedule+0x16/0x18
[  327.907262]  ? bpf_test_run+0x1c0/0x5a0
[  327.911245]  ? netlink_diag_dump+0x2a0/0x2a0
[  327.915657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.921195]  ? bpf_test_init.isra.9+0x70/0x100
[  327.925784]  ? bpf_prog_test_run_skb+0x634/0xb40
[  327.930548]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  327.935390]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  327.940927]  ? fput+0x130/0x1a0
[  327.944208]  ? __bpf_prog_get+0x9b/0x290
[  327.948275]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  327.953116]  ? bpf_prog_test_run+0x130/0x1a0
[  327.957528]  ? __x64_sys_bpf+0x3d8/0x510
[  327.961588]  ? bpf_prog_get+0x20/0x20
[  327.965396]  ? ksys_ioctl+0x81/0xd0
[  327.969037]  ? do_syscall_64+0x1b9/0x820
[  327.973096]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  327.978460]  ? syscall_return_slowpath+0x5e0/0x5e0
[  327.983393]  ? trace_hardirqs_off+0x300/0x300
[  327.987924]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  327.992945]  ? recalc_sigpending_tsk+0x180/0x180
[  327.997702]  ? kasan_check_write+0x14/0x20
[  328.001943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.006797]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  328.012187] CPU: 0 PID: 5339 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51
[  328.012259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.019111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.019119] Call Trace:
[  328.025694] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.034939]  <IRQ>
[  328.037511] syz-executor2 cpuset=
[  328.047992]  dump_stack+0x1c4/0x2b4
[  328.050110] syz2
[  328.053555]  ? dump_stack_print_info.cold.2+0x52/0x52
[  328.057158]  mems_allowed=0
[  328.059131]  warn_alloc.cold.118+0xb7/0x1bd
[  328.071522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.076846]  ? lock_downgrade+0x900/0x900
[  328.081010]  ? trace_hardirqs_off+0xb8/0x300
[  328.085427]  ? trace_hardirqs_off+0xb8/0x300
[  328.089876]  __alloc_pages_slowpath+0x2667/0x2d80
[  328.094778]  ? warn_alloc+0x120/0x120
[  328.098584]  ? warn_alloc+0x120/0x120
[  328.102385]  ? print_usage_bug+0xc0/0xc0
[  328.106449]  ? warn_alloc+0x120/0x120
[  328.110248]  ? print_usage_bug+0xc0/0xc0
[  328.114313]  ? __lock_acquire+0x7ec/0x4ec0
[  328.118574]  ? __lock_acquire+0x7ec/0x4ec0
[  328.122814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.128362]  ? should_fail+0x22d/0xd01
[  328.132256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.137361]  ? __lock_acquire+0x7ec/0x4ec0
[  328.141602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.146704]  ? __lock_acquire+0x7ec/0x4ec0
[  328.150938]  ? should_fail+0x22d/0xd01
[  328.154852]  ? mark_held_locks+0x130/0x130
[  328.159092]  ? mark_held_locks+0x130/0x130
[  328.163325]  ? graph_lock+0x170/0x170
[  328.167123]  ? graph_lock+0x170/0x170
[  328.170946]  ? graph_lock+0x170/0x170
[  328.174750]  ? print_usage_bug+0xc0/0xc0
[  328.178813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.184360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.189899]  ? check_preemption_disabled+0x48/0x200
[  328.194915]  ? check_preemption_disabled+0x48/0x200
[  328.199941]  ? __lock_is_held+0xb5/0x140
[  328.204010]  __alloc_pages_nodemask+0xa80/0xde0
[  328.208681]  ? graph_lock+0x170/0x170
[  328.212488]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  328.217520]  ? graph_lock+0x170/0x170
[  328.221343]  ? find_held_lock+0x36/0x1c0
[  328.225416]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.230085]  ? lock_downgrade+0x900/0x900
[  328.234243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.239787]  cache_grow_begin+0x91/0x8c0
[  328.243864]  ? do_raw_spin_unlock+0xa7/0x2f0
[  328.248281]  fallback_alloc+0x203/0x2e0
[  328.252266]  ____cache_alloc_node+0x1c7/0x1e0
[  328.256772]  kmem_cache_alloc_node+0xe3/0x730
[  328.261272]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.265521]  __alloc_skb+0x119/0x770
[  328.269237]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  328.274614]  ? skb_scrub_packet+0x490/0x490
[  328.278935]  ? lock_downgrade+0x900/0x900
[  328.283093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.288633]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.294091]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.299546]  ? addrconf_rs_timer+0x6f0/0x6f0
[  328.303973]  ndisc_alloc_skb+0x144/0x340
[  328.308038]  ndisc_send_rs+0x331/0x6e0
[  328.311931]  addrconf_rs_timer+0x3c0/0x6f0
[  328.316171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.320418]  call_timer_fn+0x272/0x920
[  328.324305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.328544]  ? process_timeout+0x40/0x40
[  328.332603]  ? find_held_lock+0x36/0x1c0
[  328.336670]  ? mark_held_locks+0xc7/0x130
[  328.340833]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.345336]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.349842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.354085]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  328.358671]  ? trace_hardirqs_on+0xbd/0x310
[  328.362993]  ? kasan_check_read+0x11/0x20
[  328.367141]  ? __run_timers+0x7da/0xc70
[  328.371118]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.376574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.380812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.385061]  __run_timers+0x7e5/0xc70
[  328.388885]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  328.394250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.399267]  ? graph_lock+0x170/0x170
[  328.403075]  ? print_usage_bug+0xc0/0xc0
[  328.407132]  ? lock_release+0x970/0x970
[  328.411105]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  328.416299]  ? find_held_lock+0x36/0x1c0
[  328.420363]  ? graph_lock+0x170/0x170
[  328.424169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.429712]  ? check_preemption_disabled+0x48/0x200
[  328.434741]  ? __lock_is_held+0xb5/0x140
[  328.438801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.444353]  ? check_preemption_disabled+0x48/0x200
[  328.449379]  run_timer_softirq+0x52/0xb0
[  328.453446]  ? rcu_read_lock_sched_held+0x108/0x120
[  328.458469]  __do_softirq+0x30b/0xad8
[  328.462287]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  328.467400]  ? pvclock_read_flags+0x160/0x160
[  328.471896]  ? lapic_next_event+0x5a/0x90
[  328.476049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.481590]  ? check_preemption_disabled+0x48/0x200
[  328.486609]  ? check_preemption_disabled+0x48/0x200
[  328.491634]  ? kvm_clock_read+0x18/0x30
[  328.495608]  ? kvm_sched_clock_read+0x9/0x20
[  328.500018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.505574]  ? check_preemption_disabled+0x48/0x200
[  328.510603]  irq_exit+0x17f/0x1c0
[  328.514060]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.518904]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.524786]  ? interrupt_entry+0xb5/0xf0
[  328.528863]  ? trace_hardirqs_off_caller+0xbb/0x300
[  328.533884]  ? trace_hardirqs_off_caller+0xbb/0x300
[  328.538905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.543749]  ? trace_hardirqs_off+0x300/0x300
[  328.548246]  ? trace_hardirqs_off+0x300/0x300
[  328.552739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.558281]  ? check_preemption_disabled+0x48/0x200
[  328.563300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.568866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.573719]  apic_timer_interrupt+0xf/0x20
[  328.577946]  </IRQ>
[  328.580187] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  328.585466] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  328.604364] RSP: 0000:ffff8801d9b96238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  328.612082] RAX: ffff8801bbaba6c0 RBX: 0000000000000293 RCX: 1ffff100377575f6
[  328.619365] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  328.626650] RBP: ffff8801d9b96240 R08: ffff8801bbabafb0 R09: 0000000000000006
[  328.633916] R10: 0000000000000000 R11: ffff8801bbaba6c0 R12: 0000000000000293
[  328.641181] R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff895229a0
[  328.648473]  ? arch_local_irq_restore+0x45/0x52
[  328.653153]  dump_stack+0x26a/0x2b4
[  328.656784]  ? dump_stack_print_info.cold.2+0x52/0x52
[  328.661980]  ? mark_held_locks+0x130/0x130
[  328.666214]  ? mark_held_locks+0x130/0x130
[  328.670453]  dump_header+0x27b/0xf72
[  328.674179]  ? pagefault_out_of_memory+0x197/0x197
[  328.679118]  ? mark_held_locks+0x130/0x130
[  328.683353]  ? __lock_acquire+0x7ec/0x4ec0
[  328.687588]  ? mem_cgroup_charge_statistics+0x780/0x780
[  328.692951]  ? print_usage_bug+0xc0/0xc0
[  328.697015]  ? print_usage_bug+0xc0/0xc0
[  328.701082]  ? graph_lock+0x170/0x170
[  328.704880]  ? graph_lock+0x170/0x170
[  328.708685]  ? print_usage_bug+0xc0/0xc0
[  328.712747]  ? print_usage_bug+0xc0/0xc0
[  328.716820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.722375]  ? find_held_lock+0x36/0x1c0
[  328.726446]  ? mark_held_locks+0xc7/0x130
[  328.730598]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  328.735721]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  328.740835]  ? lockdep_hardirqs_on+0x421/0x5c0
[  328.745437]  ? trace_hardirqs_on+0xbd/0x310
[  328.749758]  ? kasan_check_read+0x11/0x20
[  328.753910]  ? ___ratelimit+0x36f/0x655
[  328.757889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.763339]  ? trace_hardirqs_on+0x310/0x310
[  328.767752]  ? lock_downgrade+0x900/0x900
[  328.771908]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.777017]  ? ___ratelimit+0xaa/0x655
[  328.780906]  ? idr_get_free+0xec0/0xec0
[  328.784889]  ? kasan_check_write+0x14/0x20
[  328.789124]  ? do_raw_spin_lock+0xc1/0x200
[  328.793371]  oom_kill_process.cold.27+0x10/0x903
[  328.798139]  ? graph_lock+0x170/0x170
[  328.801946]  ? _raw_spin_unlock+0x2c/0x50
[  328.806091]  ? oom_badness+0xe6/0xaa0
[  328.809899]  ? oom_evaluate_task+0x540/0x540
[  328.814314]  ? find_held_lock+0x36/0x1c0
[  328.818381]  ? out_of_memory+0x974/0x14c0
[  328.822531]  ? lock_downgrade+0x900/0x900
[  328.826680]  ? check_preemption_disabled+0x48/0x200
[  328.831705]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  328.837508]  ? kasan_check_read+0x11/0x20
[  328.841657]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  328.846935]  ? rcu_bh_qs+0xc0/0xc0
[  328.850484]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.855502]  ? oom_evaluate_task+0x302/0x540
[  328.859916]  out_of_memory+0xa86/0x14c0
[  328.863902]  ? oom_killer_disable+0x3a0/0x3a0
[  328.868396]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  328.873330]  ? __mutex_add_waiter+0x2a0/0x2a0
[  328.877854]  __alloc_pages_slowpath+0x2318/0x2d80
[  328.882733]  ? warn_alloc+0x120/0x120
[  328.886550]  ? find_get_entry+0x2f2/0xc40
[  328.890709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.896246]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  328.901174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.906711]  ? should_fail+0x22d/0xd01
[  328.910606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.915714]  ? __lock_is_held+0xb5/0x140
[  328.919803]  ? __lock_is_held+0xb5/0x140
[  328.923889]  ? find_held_lock+0x36/0x1c0
[  328.927954]  ? ___might_sleep+0x1ed/0x300
[  328.932102]  ? lock_release+0x970/0x970
[  328.936080]  ? arch_local_save_flags+0x40/0x40
[  328.940676]  ? __might_sleep+0x95/0x190
[  328.944658]  __alloc_pages_nodemask+0xa80/0xde0
[  328.949335]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  328.954355]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  328.960158]  ? kasan_check_read+0x11/0x20
[  328.964310]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  328.969592]  ? graph_lock+0x170/0x170
[  328.973392]  ? print_usage_bug+0xc0/0xc0
[  328.977459]  ? graph_lock+0x170/0x170
[  328.981259]  ? graph_lock+0x170/0x170
[  328.985079]  ? __do_page_cache_readahead+0x7ce/0x980
[  328.990188]  ? find_held_lock+0x36/0x1c0
[  328.994260]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.999806]  alloc_pages_current+0x10c/0x210
[  329.004219]  ? lock_downgrade+0x900/0x900
[  329.008375]  __page_cache_alloc+0x38f/0x5b0
[  329.012700]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  329.018499]  ? kasan_check_read+0x11/0x20
[  329.022650]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  329.027930]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  329.032606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.038145]  ? check_preemption_disabled+0x48/0x200
[  329.043168]  filemap_fault+0x1594/0x25f0
[  329.047242]  ? __lock_page_or_retry+0xa00/0xa00
[  329.051912]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  329.057709]  ? kasan_check_read+0x11/0x20
[  329.061873]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  329.067151]  ? rcu_bh_qs+0xc0/0xc0
[  329.070708]  ? filemap_map_pages+0xdea/0x1980
[  329.075647]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.080756]  ? __list_del_entry_valid.cold.1+0x58/0x58
[  329.086028]  ? debug_object_free+0x325/0x690
[  329.090442]  ? find_get_pages_range_tag+0x1320/0x1320
[  329.095638]  ? graph_lock+0x170/0x170
[  329.099449]  ? kasan_check_read+0x11/0x20
[  329.103598]  ? debug_object_destroy+0x2b0/0x2b0
[  329.108277]  ? lock_acquire+0x1ed/0x520
[  329.112255]  ? ext4_filemap_fault+0x7a/0xad
[  329.116587]  ? lock_release+0x970/0x970
[  329.120561]  ? arch_local_save_flags+0x40/0x40
[  329.125148]  ? futex_wait_setup+0x3e0/0x3e0
[  329.129487]  ? down_read+0xb0/0x1d0
[  329.133111]  ? ext4_filemap_fault+0x7a/0xad
[  329.137435]  ? __down_interruptible+0x700/0x700
[  329.142128]  ext4_filemap_fault+0x82/0xad
[  329.146284]  __do_fault+0x100/0x6b0
[  329.149916]  ? print_bad_pte+0x6c0/0x6c0
[  329.153980]  ? do_futex+0x249/0x26d0
[  329.157700]  ? pmd_val+0x88/0x100
[  329.161158]  ? add_mm_counter_fast+0xd0/0xd0
[  329.165567]  ? pmd_val+0x88/0x100
[  329.169023]  ? add_mm_counter_fast+0xd0/0xd0
[  329.173460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.179005]  __handle_mm_fault+0x3709/0x53e0
[  329.183429]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  329.188276]  ? graph_lock+0x170/0x170
[  329.192080]  ? print_usage_bug+0xc0/0xc0
[  329.196146]  ? graph_lock+0x170/0x170
[  329.199945]  ? graph_lock+0x170/0x170
[  329.203770]  ? handle_mm_fault+0x42a/0xc70
[  329.208279]  ? lock_downgrade+0x900/0x900
[  329.212432]  ? check_preemption_disabled+0x48/0x200
[  329.217457]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  329.223256]  ? kasan_check_read+0x11/0x20
[  329.227408]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  329.232686]  ? rcu_bh_qs+0xc0/0xc0
[  329.236227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  329.241683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.247223]  ? check_preemption_disabled+0x48/0x200
[  329.252252]  handle_mm_fault+0x54f/0xc70
[  329.256326]  ? __handle_mm_fault+0x53e0/0x53e0
[  329.260914]  ? find_vma+0x34/0x190
[  329.264461]  __do_page_fault+0x67d/0xed0
[  329.268535]  ? mm_fault_error+0x380/0x380
[  329.272685]  ? trace_hardirqs_off+0xb8/0x300
[  329.277095]  ? trace_hardirqs_on+0x310/0x310
[  329.281504]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.286876]  ? trace_hardirqs_on+0x310/0x310
[  329.291297]  do_page_fault+0xf2/0x7e0
[  329.295105]  ? vmalloc_sync_all+0x30/0x30
[  329.299254]  ? error_entry+0x70/0xd0
[  329.302968]  ? trace_hardirqs_off_caller+0xbb/0x300
[  329.307981]  ? trace_hardirqs_on_caller+0xc0/0x300
[  329.312917]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.317857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.322702]  ? trace_hardirqs_off+0x300/0x300
[  329.327198]  ? trace_hardirqs_off_caller+0x300/0x300
[  329.332305]  ? prepare_exit_to_usermode+0x291/0x3b0
[  329.337325]  ? page_fault+0x8/0x30
[  329.340876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.345721]  ? page_fault+0x8/0x30
[  329.349267]  page_fault+0x1e/0x30
[  329.352719] RIP: 0033:0x40f9c0
[  329.355916] Code: Bad RIP value.
[  329.359274] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  329.364635] RAX: ffffffffffffff92 RBX: 00000000378d89db RCX: 000000000045ddf3
[  329.371899] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0
[  329.379169] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  329.386433] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  329.393702] R13: 000000c42548e3c0 R14: 0000000000000001 R15: 0000000000000000
[  329.400992] warn_alloc_show_mem: 1 callbacks suppressed
[  329.401004] CPU: 1 PID: 11361 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #51
[  329.401006] Mem-Info:
[  329.401037] active_anon:52539 inactive_anon:923 isolated_anon:0
[  329.401037]  active_file:16 inactive_file:19 isolated_file:0
[  329.401037]  unevictable:0 dirty:0 writeback:0 unstable:0
[  329.401037]  slab_reclaimable:9638 slab_unreclaimable:1452993
[  329.401037]  mapped:57522 shmem:4475 pagetables:739 bounce:0
[  329.401037]  free:13650 free_pcp:205 free_cma:0
[  329.406372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.406380] Call Trace:
[  329.413664] Node 0 active_anon:210156kB inactive_anon:3692kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:17900kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  329.416063]  <IRQ>
[  329.449029] Node 0 
[  329.458395]  dump_stack+0x1c4/0x2b4