20
[  232.998116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.003391]  ? rcu_softirq_qs+0x20/0x20
[  233.007370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.012904]  ? oom_evaluate_task+0x302/0x540
[  233.017318]  out_of_memory+0xa84/0x1430
[  233.021308]  ? oom_killer_disable+0x3a0/0x3a0
[  233.025805]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  233.030741]  ? __ww_mutex_check_waiters+0x160/0x160
[  233.035778]  __alloc_pages_slowpath+0x232c/0x2de0
[  233.040644]  ? warn_alloc+0x120/0x120
[  233.044444]  ? mark_held_locks+0x130/0x130
[  233.048683]  ? find_get_entry+0xaae/0x1120
[  233.052925]  ? filemap_map_pages+0x1a20/0x1a20
[  233.057513]  ? zap_class+0x640/0x640
[  233.061234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.066786]  ? check_preemption_disabled+0x48/0x280
[  233.071807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.077343]  ? should_fail+0x22d/0xd01
[  233.081236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.086356]  ? zap_class+0x640/0x640
[  233.090091]  ? __lock_is_held+0xb5/0x140
[  233.094159]  ? mark_held_locks+0x130/0x130
[  233.098400]  ? lock_release+0xa00/0xa00
[  233.102379]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.107833]  ? xa_load+0x2ba/0x460
[  233.111381]  ? lock_downgrade+0x900/0x900
[  233.115531]  ? __might_sleep+0x95/0x190
[  233.119513]  __alloc_pages_nodemask+0xad8/0xea0
[  233.124193]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  233.129210]  ? __page_cache_alloc+0x191/0x5c0
[  233.133721]  ? xa_load+0x2e1/0x460
[  233.137282]  ? xa_clear_mark+0x40/0x40
[  233.141172]  ? zap_class+0x640/0x640
[  233.144893]  ? zap_class+0x640/0x640
[  233.148606]  ? zap_class+0x640/0x640
[  233.152320]  ? __do_page_cache_readahead+0x663/0x810
[  233.157434]  ? find_held_lock+0x36/0x1c0
[  233.161500]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  233.167041]  alloc_pages_current+0x173/0x350
[  233.171456]  __page_cache_alloc+0x38c/0x5c0
[  233.175777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.180705]  ? kasan_check_read+0x11/0x20
[  233.184852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.190131]  ? generic_perform_write+0x6a0/0x6a0
[  233.194891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.200428]  ? check_preemption_disabled+0x48/0x280
[  233.205448]  filemap_fault+0x1595/0x25f0
[  233.209527]  ? __lock_page_or_retry+0xa00/0xa00
[  233.214202]  ? mark_held_locks+0x130/0x130
[  233.218463]  ? filemap_map_pages+0xd6b/0x1a20
[  233.222962]  ? lock_downgrade+0x900/0x900
[  233.227111]  ? check_preemption_disabled+0x48/0x280
[  233.232134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.237062]  ? kasan_check_read+0x11/0x20
[  233.241209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.246498]  ? rcu_softirq_qs+0x20/0x20
[  233.250485]  ? filemap_map_pages+0xd92/0x1a20
[  233.254991]  ? find_get_entries_tag+0x1400/0x1400
[  233.259837]  ? __kernel_text_address+0xd/0x40
[  233.264336]  ? unwind_get_return_address+0x61/0xa0
[  233.269286]  ? lock_acquire+0x1ed/0x520
[  233.273270]  ? ext4_filemap_fault+0x7a/0xad
[  233.277595]  ? lock_release+0xa00/0xa00
[  233.281568]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.287015]  ? print_usage_bug+0xc0/0xc0
[  233.291077]  ? print_usage_bug+0xc0/0xc0
[  233.295137]  ? __x64_sys_read+0x73/0xb0
[  233.299113]  ? print_usage_bug+0xc0/0xc0
[  233.303184]  ? down_read+0x8d/0x120
[  233.306811]  ? ext4_filemap_fault+0x7a/0xad
[  233.311133]  ? __down_interruptible+0x700/0x700
[  233.315811]  ext4_filemap_fault+0x82/0xad
[  233.319960]  __do_fault+0x100/0x6b0
[  233.323589]  ? trace_hardirqs_on+0xbd/0x310
[  233.327912]  ? pmd_devmap_trans_unstable+0x220/0x220
[  233.333021]  ? mark_held_locks+0x130/0x130
[  233.337271]  ? mark_held_locks+0x130/0x130
[  233.341506]  ? do_syslog+0x147b/0x1690
[  233.345398]  ? do_syslog+0x309/0x1690
[  233.349199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.354758]  __handle_mm_fault+0x3ea0/0x5be0
[  233.359174]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  233.364018]  ? find_held_lock+0x36/0x1c0
[  233.368093]  ? zap_class+0x640/0x640
[  233.371805]  ? zap_class+0x640/0x640
[  233.375528]  ? find_held_lock+0x36/0x1c0
[  233.379597]  ? handle_mm_fault+0x42a/0xc70
[  233.383833]  ? lock_downgrade+0x900/0x900
[  233.387985]  ? check_preemption_disabled+0x48/0x280
[  233.393006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.397938]  ? kasan_check_read+0x11/0x20
[  233.402083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.407357]  ? rcu_softirq_qs+0x20/0x20
[  233.411332]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.416438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.421974]  ? check_preemption_disabled+0x48/0x280
[  233.426995]  handle_mm_fault+0x54f/0xc70
[  233.431058]  ? __handle_mm_fault+0x5be0/0x5be0
[  233.435643]  ? find_vma+0x34/0x190
[  233.439188]  __do_page_fault+0x5e8/0xe60
[  233.443266]  ? trace_hardirqs_off+0xb8/0x310
[  233.447673]  ? kernel_write+0x120/0x120
[  233.451656]  do_page_fault+0xf2/0x7e0
[  233.455459]  ? vmalloc_sync_all+0x30/0x30
[  233.459607]  ? error_entry+0x70/0xd0
[  233.463322]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.468338]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.473272]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.478201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.483057]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.488072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.493524]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  233.498539]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.503557]  ? page_fault+0x8/0x30
[  233.507098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.511943]  ? page_fault+0x8/0x30
[  233.515483]  page_fault+0x1e/0x30
[  233.518934] RIP: 0033:0x7f71188e71fd
[  233.522661] Code: Bad RIP value.
[  233.526021] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  233.531385] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  233.538651] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  233.545920] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  233.553191] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  233.560472] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  233.567761] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  233.567765] warn_alloc_show_mem: 1 callbacks suppressed
[  233.567771] Mem-Info:
[  233.575039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.580407] active_anon:46321 inactive_anon:276 isolated_anon:0
[  233.580407]  active_file:12 inactive_file:12 isolated_file:0
[  233.580407]  unevictable:0 dirty:0 writeback:0 unstable:0
[  233.580407]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  233.580407]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  233.580407]  free:13741 free_pcp:243 free_cma:0
[  233.582785] Call Trace:
[  233.592160] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  233.625002]  <IRQ>
[  233.627571] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  233.655247]  dump_stack+0x244/0x39d
[  233.657368] lowmem_reserve[]: 0 2818 6321 6321
[  233.683480]  ? dump_stack_print_info.cold.1+0x20/0x20
[  233.687083] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  233.691667]  warn_alloc.cold.116+0xb7/0x1bd
[  233.696824] lowmem_reserve[]: 0 0 3503 3503
[  233.724407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.728709] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  233.733026]  ? lock_downgrade+0x900/0x900
[  233.737835] lowmem_reserve[]: 0 0 0 0
[  233.766810]  ? trace_hardirqs_off+0xb8/0x310
[  233.770932] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  233.774732]  ? trace_hardirqs_off+0xb8/0x310
[  233.779112] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  233.792631]  __alloc_pages_slowpath+0x2651/0x2de0
[  233.797008] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  233.812215]  ? warn_alloc+0x120/0x120
[  233.817016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.831912]  ? print_usage_bug+0xc0/0xc0
[  233.835697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.844516]  ? warn_alloc+0x120/0x120
[  233.848554] 358 total pagecache pages
[  233.857122]  ? warn_alloc+0x120/0x120
[  233.860907] 0 pages in swap cache
[  233.864690]  ? print_usage_bug+0xc0/0xc0
[  233.868476] Swap cache stats: add 0, delete 0, find 0/0
[  233.871918]  ? kvm_clock_read+0x18/0x30
[  233.875954] Free swap  = 0kB
[  233.881309]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  233.885257] Total swap = 0kB
[  233.888269]  ? print_usage_bug+0xc0/0xc0
[  233.893260] 1965979 pages RAM
[  233.896273]  ? __lock_acquire+0x62f/0x4c20
[  233.900307] 0 pages HighMem/MovableOnly
[  233.900314] 342854 pages reserved
[  233.903416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.907626] 0 pages cma reserved
[  233.911592]  ? should_fail+0x22d/0xd01
[  233.915285] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.920551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.923896] rsyslogd cpuset=/ mems_allowed=0
[  233.927779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.952560]  ? __lock_acquire+0x62f/0x4c20
[  233.956799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.961899]  ? __lock_acquire+0x62f/0x4c20
[  233.966130]  ? should_fail+0x22d/0xd01
[  233.970017]  ? rcu_irq_exit+0x1a2/0x390
[  233.973997]  ? mark_held_locks+0x130/0x130
[  233.978239]  ? mark_held_locks+0x130/0x130
[  233.982478]  ? mark_held_locks+0xc7/0x130
[  233.986627]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  233.991641]  ? zap_class+0x640/0x640
[  233.995354]  ? print_usage_bug+0xc0/0xc0
[  233.999418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.004957]  ? check_preemption_disabled+0x48/0x280
[  234.009984]  ? __lock_is_held+0xb5/0x140
[  234.014050]  __alloc_pages_nodemask+0xad8/0xea0
[  234.018720]  ? zap_class+0x640/0x640
[  234.022442]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  234.027468]  ? find_held_lock+0x36/0x1c0
[  234.031539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.036215]  ? lock_downgrade+0x900/0x900
[  234.040372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.045912]  cache_grow_begin+0xa5/0x8c0
[  234.049970]  ? do_raw_spin_unlock+0xa7/0x330
[  234.054383]  fallback_alloc+0x204/0x2e0
[  234.058368]  ____cache_alloc_node+0x1c7/0x1e0
[  234.062867]  kmem_cache_alloc_node+0xe3/0x730
[  234.067367]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.071611]  __alloc_skb+0x119/0x770
[  234.075323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.080604]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.085010]  ? lock_downgrade+0x900/0x900
[  234.089179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.094718]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.100188]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.105636]  ? addrconf_rs_timer+0x690/0x690
[  234.110053]  ndisc_alloc_skb+0x144/0x340
[  234.114118]  ndisc_send_rs+0x331/0x6e0
[  234.118013]  addrconf_rs_timer+0x314/0x690
[  234.122256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.126498]  call_timer_fn+0x272/0x920
[  234.130389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.134624]  ? process_timeout+0x40/0x40
[  234.138693]  ? __run_timers+0x7da/0xc70
[  234.142668]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.147177]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.151668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.155902]  ? lockdep_hardirqs_on+0x296/0x5b0
[  234.160487]  ? trace_hardirqs_on+0xbd/0x310
[  234.164807]  ? kasan_check_read+0x11/0x20
[  234.168956]  ? __run_timers+0x7da/0xc70
[  234.172930]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.178039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.182282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.186516]  __run_timers+0x7e5/0xc70
[  234.190323]  ? timer_fixup_init+0x70/0x70
[  234.194476]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.199496]  ? zap_class+0x640/0x640
[  234.203216]  ? enqueue_hrtimer+0x1a5/0x560
[  234.207455]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.212650]  ? find_held_lock+0x36/0x1c0
[  234.216719]  ? zap_class+0x640/0x640
[  234.220436]  ? pvclock_read_flags+0x160/0x160
[  234.224937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.230475]  ? check_preemption_disabled+0x48/0x280
[  234.235500]  ? __lock_is_held+0xb5/0x140
[  234.239560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.245095]  ? check_preemption_disabled+0x48/0x280
[  234.250118]  run_timer_softirq+0x52/0xb0
[  234.254216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.259236]  __do_softirq+0x308/0xb7e
[  234.263042]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  234.267536]  ? lock_downgrade+0x900/0x900
[  234.271686]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.276792]  ? pvclock_read_flags+0x160/0x160
[  234.281293]  ? lapic_next_event+0x5a/0x90
[  234.285445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.290986]  ? kvm_clock_read+0x18/0x30
[  234.294961]  ? kvm_sched_clock_read+0x9/0x20
[  234.299375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.304916]  ? check_preemption_disabled+0x48/0x280
[  234.309943]  irq_exit+0x17f/0x1c0
[  234.313398]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.318240]  ? smp_reschedule_interrupt+0x109/0x650
[  234.323255]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.329154]  ? interrupt_entry+0xb5/0xc0
[  234.333217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.338238]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.343252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.348099]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.353113]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.358159]  ? task_prio+0x50/0x50
[  234.361700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.367236]  ? check_preemption_disabled+0x48/0x280
[  234.372256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.377106]  apic_timer_interrupt+0xf/0x20
[  234.381346]  </IRQ>
[  234.383582] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.388514] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  234.407413] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  234.415120] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  234.422405] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  234.429675] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  234.436943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  234.444211] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  234.451513]  skb_clone+0x1bb/0x500
[  234.455057]  ? finish_task_switch+0x615/0x910
[  234.459552]  ? skb_split+0x11e0/0x11e0
[  234.463441]  ? preempt_notifier_register+0x200/0x200
[  234.468542]  ? __switch_to_asm+0x34/0x70
[  234.472599]  ? __switch_to_asm+0x34/0x70
[  234.476659]  ? __switch_to_asm+0x40/0x70
[  234.480716]  ? __switch_to_asm+0x34/0x70
[  234.484778]  ? __switch_to_asm+0x40/0x70
[  234.488833]  ? __switch_to_asm+0x34/0x70
[  234.492889]  ? __switch_to_asm+0x40/0x70
[  234.496947]  ? __switch_to_asm+0x34/0x70
[  234.501007]  ? __switch_to_asm+0x34/0x70
[  234.505065]  ? __switch_to_asm+0x40/0x70
[  234.509135]  ? __switch_to_asm+0x34/0x70
[  234.513202]  bpf_clone_redirect+0xb9/0x490
[  234.517439]  ? __schedule+0x8d7/0x21d0
[  234.521329]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  234.526348]  ? __sched_text_start+0x8/0x8
[  234.530499]  ? retint_kernel+0x2d/0x2d
[  234.534571]  ? find_held_lock+0x36/0x1c0
[  234.538640]  ? lock_acquire+0x1ed/0x520
[  234.542618]  ? bpf_test_run+0x3ee/0x7a0
[  234.546593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.552146]  ? check_preemption_disabled+0x48/0x280
[  234.557176]  ? kasan_check_read+0x11/0x20
[  234.561323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.566596]  ? rcu_softirq_qs+0x20/0x20
[  234.570571]  ? preempt_schedule+0x4d/0x60
[  234.574724]  ? ___preempt_schedule+0x16/0x18
[  234.579151]  ? bpf_test_run+0x271/0x7a0
[  234.583151]  ? eth_type_trans+0x2ea/0x760
[  234.587301]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.591711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.597246]  ? bpf_test_init.isra.10+0x70/0x100
[  234.601920]  ? bpf_prog_test_run_skb+0x762/0xd60
[  234.606682]  ? apparmor_cred_transfer+0x590/0x590
[  234.611532]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.616380]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.621917]  ? fput+0x130/0x1a0
[  234.625201]  ? __bpf_prog_get+0x9b/0x290
[  234.629265]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.634108]  ? bpf_prog_test_run+0x130/0x1a0
[  234.638537]  ? __x64_sys_bpf+0x3d8/0x520
[  234.642601]  ? bpf_prog_get+0x20/0x20
[  234.646422]  ? do_syscall_64+0x1b9/0x820
[  234.650482]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.655848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.660782]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.665798]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.670815]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  234.677484]  ? __switch_to_asm+0x40/0x70
[  234.681541]  ? __switch_to_asm+0x34/0x70
[  234.685611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.690459]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.695836] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  234.695897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.703215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.703219] Call Trace:
[  234.703226]  <IRQ>
[  234.703242]  dump_stack+0x244/0x39d
[  234.703259]  ? dump_stack_print_info.cold.1+0x20/0x20
[  234.703283]  warn_alloc.cold.116+0xb7/0x1bd
[  234.709823] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.719102]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.721678] syz-executor4 cpuset=syz4 mems_allowed=0
[  234.723824]  ? lock_downgrade+0x900/0x900
[  234.761450]  ? trace_hardirqs_off+0xb8/0x310
[  234.765865]  ? trace_hardirqs_off+0xb8/0x310
[  234.770280]  __alloc_pages_slowpath+0x2651/0x2de0
[  234.775160]  ? warn_alloc+0x120/0x120
[  234.778967]  ? warn_alloc+0x120/0x120
[  234.782773]  ? warn_alloc+0x120/0x120
[  234.786579]  ? print_usage_bug+0xc0/0xc0
[  234.790646]  ? print_usage_bug+0xc0/0xc0
[  234.794704]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.799902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.805439]  ? should_fail+0x22d/0xd01
[  234.809333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.814437]  ? __lock_acquire+0x62f/0x4c20
[  234.818680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.823783]  ? __lock_acquire+0x62f/0x4c20
[  234.828020]  ? should_fail+0x22d/0xd01
[  234.831915]  ? mark_held_locks+0x130/0x130
[  234.836155]  ? mark_held_locks+0x130/0x130
[  234.840387]  ? zap_class+0x640/0x640
[  234.844119]  ? zap_class+0x640/0x640
[  234.847840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.853380]  ? check_preemption_disabled+0x48/0x280
[  234.859275]  ? __lock_is_held+0xb5/0x140
[  234.863340]  __alloc_pages_nodemask+0xad8/0xea0
[  234.868010]  ? zap_class+0x640/0x640
[  234.871727]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  234.876753]  ? find_held_lock+0x36/0x1c0
[  234.880821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.885492]  ? lock_downgrade+0x900/0x900
[  234.889649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.895189]  cache_grow_begin+0xa5/0x8c0
[  234.899248]  ? do_raw_spin_unlock+0xa7/0x330
[  234.903667]  fallback_alloc+0x204/0x2e0
[  234.907649]  ____cache_alloc_node+0x1c7/0x1e0
[  234.912165]  __kmalloc+0x213/0x760
[  234.915709]  ? __neigh_create+0x30b/0x2130
[  234.919950]  __neigh_create+0x30b/0x2130
[  234.924009]  ? __local_bh_enable_ip+0x160/0x260
[  234.928674]  ? __local_bh_enable_ip+0x160/0x260
[  234.933356]  ? mark_held_locks+0x130/0x130
[  234.937591]  ? __local_bh_enable_ip+0x160/0x260
[  234.942264]  ? neigh_hash_alloc+0x1e0/0x1e0
[  234.946587]  ? trace_hardirqs_on+0xbd/0x310
[  234.950915]  ? mark_held_locks+0xc7/0x130
[  234.955066]  ? ip6t_do_table+0xd9e/0x1d30
[  234.959227]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.964328]  ? __local_bh_enable_ip+0x160/0x260
[  234.969001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.974539]  ? ip6t_do_table+0xd6a/0x1d30
[  234.978694]  ? lock_acquire+0x1ed/0x520
[  234.982670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.988206]  ? check_preemption_disabled+0x48/0x280
[  234.993231]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  234.998768]  ? rcu_pm_notify+0xc0/0xc0
[  235.002659]  ? zap_class+0x640/0x640
[  235.006377]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  235.011571]  ip6_finish_output2+0xa59/0x27a0
[  235.015993]  ? ip6_copy_metadata+0xe30/0xe30
[  235.020409]  ? ip6_mtu+0x39c/0x520
[  235.023953]  ? lock_downgrade+0x900/0x900
[  235.028128]  ? check_preemption_disabled+0x48/0x280
[  235.033147]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.038075]  ? kasan_check_read+0x11/0x20
[  235.042236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.047510]  ? rcu_softirq_qs+0x20/0x20
[  235.051493]  ? ip6_mtu+0x160/0x520
[  235.055036]  ? find_match+0x10a0/0x10a0
[  235.059010]  ? kasan_check_read+0x11/0x20
[  235.063158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.068443]  ip6_finish_output+0x58c/0xc60
[  235.072677]  ? ip6_finish_output+0x58c/0xc60
[  235.077105]  ip6_output+0x232/0x9d0
[  235.080733]  ? ip6_finish_output+0xc60/0xc60
[  235.085143]  ? ip6_fragment+0x38e0/0x38e0
[  235.089294]  ? __lock_is_held+0xb5/0x140
[  235.093369]  ndisc_send_skb+0x1005/0x1570
[  235.097524]  ? nf_hook.constprop.33+0x860/0x860
[  235.102196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.107736]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.113189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.118651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.124194]  ndisc_send_rs+0x134/0x6e0
[  235.128102]  addrconf_rs_timer+0x314/0x690
[  235.132379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.136629]  call_timer_fn+0x272/0x920
[  235.140514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.144748]  ? process_timeout+0x40/0x40
[  235.148819]  ? mark_held_locks+0xc7/0x130
[  235.152969]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.157466]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.161962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.166196]  ? lockdep_hardirqs_on+0x296/0x5b0
[  235.170778]  ? trace_hardirqs_on+0xbd/0x310
[  235.175113]  ? kasan_check_read+0x11/0x20
[  235.179258]  ? __run_timers+0x7da/0xc70
[  235.183237]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.188342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.192587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.196824]  __run_timers+0x7e5/0xc70
[  235.200632]  ? timer_fixup_init+0x70/0x70
[  235.204788]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.209810]  ? zap_class+0x640/0x640
[  235.213533]  ? print_usage_bug+0xc0/0xc0
[  235.217600]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  235.222794]  ? find_held_lock+0x36/0x1c0
[  235.226859]  ? zap_class+0x640/0x640
[  235.230581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.236120]  ? check_preemption_disabled+0x48/0x280
[  235.241148]  ? __lock_is_held+0xb5/0x140
[  235.245213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.250754]  ? check_preemption_disabled+0x48/0x280
[  235.255772]  run_timer_softirq+0x52/0xb0
[  235.259839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  235.264854]  __do_softirq+0x308/0xb7e
[  235.268659]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.273156]  ? lock_downgrade+0x900/0x900
[  235.277311]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  235.282420]  ? pvclock_read_flags+0x160/0x160
[  235.286920]  ? lapic_next_event+0x5a/0x90
[  235.291084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.296624]  ? kvm_clock_read+0x18/0x30
[  235.300601]  ? kvm_sched_clock_read+0x9/0x20
[  235.305114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.310652]  ? check_preemption_disabled+0x48/0x280
[  235.315679]  irq_exit+0x17f/0x1c0
[  235.319139]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.323985]  ? smp_reschedule_interrupt+0x109/0x650
[  235.329001]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.334888]  ? interrupt_entry+0xb5/0xc0
[  235.338949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.343965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.348982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.353824]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.358841]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.363870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.368719]  apic_timer_interrupt+0xf/0x20
[  235.372951]  </IRQ>
[  235.375192] RIP: 0010:dump_stack+0x358/0x39d
[  235.379606] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  235.398503] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  235.406209] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  235.413477] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  235.420744] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  235.428012] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  235.435291] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  235.442576]  ? dump_stack+0x34f/0x39d
[  235.446392]  ? dump_stack_print_info.cold.1+0x20/0x20
[  235.451587]  ? mark_held_locks+0x130/0x130
[  235.455820]  ? mark_held_locks+0x130/0x130
[  235.460073]  dump_header+0x27b/0xf72
[  235.463797]  ? pagefault_out_of_memory+0x197/0x197
[  235.468734]  ? __lock_acquire+0x62f/0x4c20
[  235.472973]  ? percpu_ref_get_many+0x240/0x240
[  235.477561]  ? print_usage_bug+0xc0/0xc0
[  235.481626]  ? zap_class+0x640/0x640
[  235.485341]  ? print_usage_bug+0xc0/0xc0
[  235.489401]  ? print_usage_bug+0xc0/0xc0
[  235.493462]  ? zap_class+0x640/0x640
[  235.497182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.502723]  ? find_held_lock+0x36/0x1c0
[  235.506791]  ? mark_held_locks+0xc7/0x130
[  235.510941]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  235.516058]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  235.521165]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  235.525749]  ? trace_hardirqs_on+0xbd/0x310
[  235.530084]  ? kasan_check_read+0x11/0x20
[  235.534235]  ? ___ratelimit+0x3b4/0x672
[  235.538210]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.543313]  ? trace_hardirqs_on+0x310/0x310
[  235.547724]  ? lock_downgrade+0x900/0x900
[  235.551875]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.556977]  ? ___ratelimit+0x3b9/0x672
[  235.560955]  ? idr_get_free+0xf70/0xf70
[  235.564953]  ? find_held_lock+0x36/0x1c0
[  235.569023]  oom_kill_process.cold.27+0x10/0x903
[  235.573792]  ? zap_class+0x640/0x640
[  235.577505]  ? check_preemption_disabled+0x48/0x280
[  235.582523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.587458]  ? kasan_check_read+0x11/0x20
[  235.591603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.596883]  ? oom_evaluate_task+0x540/0x540
[  235.601294]  ? find_held_lock+0x36/0x1c0
[  235.605363]  ? out_of_memory+0x974/0x1430
[  235.609519]  ? lock_downgrade+0x900/0x900
[  235.613673]  ? check_preemption_disabled+0x48/0x280
[  235.618691]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.623618]  ? kasan_check_read+0x11/0x20
[  235.627768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.633054]  ? rcu_softirq_qs+0x20/0x20
[  235.637046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.642583]  ? oom_evaluate_task+0x302/0x540
[  235.646998]  out_of_memory+0xa84/0x1430
[  235.651001]  ? oom_killer_disable+0x3a0/0x3a0
[  235.655513]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  235.660451]  ? __ww_mutex_check_waiters+0x160/0x160
[  235.665478]  __alloc_pages_slowpath+0x232c/0x2de0
[  235.670344]  ? warn_alloc+0x120/0x120
[  235.674142]  ? mark_held_locks+0x130/0x130
[  235.678380]  ? find_get_entry+0xaae/0x1120
[  235.682621]  ? filemap_map_pages+0x1a20/0x1a20
[  235.687208]  ? zap_class+0x640/0x640
[  235.690930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.696469]  ? check_preemption_disabled+0x48/0x280
[  235.701484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.707036]  ? should_fail+0x22d/0xd01
[  235.710931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.716046]  ? zap_class+0x640/0x640
[  235.719780]  ? __lock_is_held+0xb5/0x140
[  235.723848]  ? mark_held_locks+0x130/0x130
[  235.728087]  ? lock_release+0xa00/0xa00
[  235.732065]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.737519]  ? xa_load+0x2ba/0x460
[  235.741068]  ? lock_downgrade+0x900/0x900
[  235.745223]  ? __might_sleep+0x95/0x190
[  235.749204]  __alloc_pages_nodemask+0xad8/0xea0
[  235.753878]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  235.758929]  ? __page_cache_alloc+0x191/0x5c0
[  235.763427]  ? xa_load+0x2e1/0x460
[  235.766968]  ? xa_clear_mark+0x40/0x40
[  235.770860]  ? zap_class+0x640/0x640
[  235.774583]  ? zap_class+0x640/0x640
[  235.778300]  ? zap_class+0x640/0x640
[  235.782028]  ? __do_page_cache_readahead+0x663/0x810
[  235.787136]  ? find_held_lock+0x36/0x1c0
[  235.791201]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  235.796746]  alloc_pages_current+0x173/0x350
[  235.801162]  __page_cache_alloc+0x38c/0x5c0
[  235.805480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.810407]  ? kasan_check_read+0x11/0x20
[  235.814559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.819844]  ? generic_perform_write+0x6a0/0x6a0
[  235.824605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.830144]  ? check_preemption_disabled+0x48/0x280
[  235.835169]  filemap_fault+0x1595/0x25f0
[  235.839241]  ? __lock_page_or_retry+0xa00/0xa00
[  235.843916]  ? mark_held_locks+0x130/0x130
[  235.848161]  ? filemap_map_pages+0xd6b/0x1a20
[  235.852661]  ? lock_downgrade+0x900/0x900
[  235.856811]  ? check_preemption_disabled+0x48/0x280
[  235.861829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.866759]  ? kasan_check_read+0x11/0x20
[  235.870906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.876183]  ? rcu_softirq_qs+0x20/0x20
[  235.880173]  ? filemap_map_pages+0xd92/0x1a20
[  235.884683]  ? find_get_entries_tag+0x1400/0x1400
[  235.889533]  ? __kernel_text_address+0xd/0x40
[  235.894040]  ? unwind_get_return_address+0x61/0xa0
[  235.898982]  ? lock_acquire+0x1ed/0x520
[  235.902969]  ? ext4_filemap_fault+0x7a/0xad
[  235.907298]  ? lock_release+0xa00/0xa00
[  235.911272]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.916720]  ? print_usage_bug+0xc0/0xc0
[  235.920785]  ? print_usage_bug+0xc0/0xc0
[  235.924843]  ? __x64_sys_read+0x73/0xb0
[  235.928818]  ? print_usage_bug+0xc0/0xc0
[  235.932892]  ? down_read+0x8d/0x120
[  235.936524]  ? ext4_filemap_fault+0x7a/0xad
[  235.940844]  ? __down_interruptible+0x700/0x700
[  235.945528]  ext4_filemap_fault+0x82/0xad
[  235.949676]  __do_fault+0x100/0x6b0
[  235.953310]  ? trace_hardirqs_on+0xbd/0x310
[  235.957638]  ? pmd_devmap_trans_unstable+0x220/0x220
[  235.962742]  ? mark_held_locks+0x130/0x130
[  235.966979]  ? mark_held_locks+0x130/0x130
[  235.971229]  ? do_syslog+0x147b/0x1690
[  235.975122]  ? do_syslog+0x309/0x1690
[  235.978927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.984468]  __handle_mm_fault+0x3ea0/0x5be0
[  235.988883]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  235.993727]  ? find_held_lock+0x36/0x1c0
[  235.997807]  ? zap_class+0x640/0x640
[  236.001522]  ? zap_class+0x640/0x640
[  236.005242]  ? find_held_lock+0x36/0x1c0
[  236.009310]  ? handle_mm_fault+0x42a/0xc70
[  236.013547]  ? lock_downgrade+0x900/0x900
[  236.017695]  ? check_preemption_disabled+0x48/0x280
[  236.022714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  236.027641]  ? kasan_check_read+0x11/0x20
[  236.031788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.037064]  ? rcu_softirq_qs+0x20/0x20
[  236.041066]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.046170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.051711]  ? check_preemption_disabled+0x48/0x280
[  236.056732]  handle_mm_fault+0x54f/0xc70
[  236.060794]  ? __handle_mm_fault+0x5be0/0x5be0
[  236.065381]  ? find_vma+0x34/0x190
[  236.068928]  __do_page_fault+0x5e8/0xe60
[  236.073000]  ? trace_hardirqs_off+0xb8/0x310
[  236.077409]  ? kernel_write+0x120/0x120
[  236.081395]  do_page_fault+0xf2/0x7e0
[  236.085197]  ? vmalloc_sync_all+0x30/0x30
[  236.089347]  ? error_entry+0x70/0xd0
[  236.093061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.098077]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.103017]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.107945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.112791]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.117808]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.123258]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.128276]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.133292]  ? page_fault+0x8/0x30
[  236.136838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.141682]  ? page_fault+0x8/0x30
[  236.145222]  page_fault+0x1e/0x30
[  236.148675] RIP: 0033:0x7f71188e71fd
[  236.152403] Code: Bad RIP value.
[  236.155766] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  236.161131] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  236.168403] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  236.175669] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  236.182937] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  236.190204] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  236.197497] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  236.197501] warn_alloc_show_mem: 1 callbacks suppressed
[  236.197507] Mem-Info:
[  236.204776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.210146] active_anon:46321 inactive_anon:276 isolated_anon:0
[  236.210146]  active_file:12 inactive_file:12 isolated_file:0
[  236.210146]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.210146]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  236.210146]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  236.210146]  free:13741 free_pcp:243 free_cma:0
[  236.212519] Call Trace:
[  236.221900] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.254739]  <IRQ>
[  236.257309] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.284987]  dump_stack+0x244/0x39d
[  236.287107] lowmem_reserve[]: 0 2818 6321 6321
[  236.313212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.316819] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  236.321401]  warn_alloc.cold.116+0xb7/0x1bd
[  236.326556] lowmem_reserve[]: 0 0 3503 3503
[  236.354139]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.358438] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  236.362758]  ? lock_downgrade+0x900/0x900
[  236.367569] lowmem_reserve[]: 0 0 0 0
[  236.396544]  ? trace_hardirqs_off+0xb8/0x310
[  236.400664] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  236.404463]  ? trace_hardirqs_off+0xb8/0x310
[  236.408846] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  236.422367]  __alloc_pages_slowpath+0x2651/0x2de0
[  236.426753] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  236.441943]  ? warn_alloc+0x120/0x120
[  236.446747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.461642]  ? print_usage_bug+0xc0/0xc0
[  236.465422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.474246]  ? warn_alloc+0x120/0x120
[  236.478284] 358 total pagecache pages
[  236.486850]  ? warn_alloc+0x120/0x120
[  236.490634] 0 pages in swap cache
[  236.494418]  ? print_usage_bug+0xc0/0xc0
[  236.498200] Swap cache stats: add 0, delete 0, find 0/0
[  236.501639]  ? kvm_clock_read+0x18/0x30
[  236.505674] Free swap  = 0kB
[  236.511027]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  236.514990] Total swap = 0kB
[  236.518004]  ? print_usage_bug+0xc0/0xc0
[  236.522994] 1965979 pages RAM
[  236.526007]  ? __lock_acquire+0x62f/0x4c20
[  236.530047] 0 pages HighMem/MovableOnly
[  236.533668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.537873] 342854 pages reserved
[  236.537880] 0 pages cma reserved
[  236.541849]  ? should_fail+0x22d/0xd01
[  236.547609] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.550814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.554156] rsyslogd cpuset=/ mems_allowed=0
[  236.558042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.582823]  ? __lock_acquire+0x62f/0x4c20
[  236.587067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.592170]  ? __lock_acquire+0x62f/0x4c20
[  236.596402]  ? should_fail+0x22d/0xd01
[  236.600285]  ? rcu_irq_exit+0x1a2/0x390
[  236.604266]  ? mark_held_locks+0x130/0x130
[  236.608508]  ? mark_held_locks+0x130/0x130
[  236.612748]  ? mark_held_locks+0xc7/0x130
[  236.616900]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  236.621920]  ? zap_class+0x640/0x640
[  236.625647]  ? print_usage_bug+0xc0/0xc0
[  236.629710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.635247]  ? check_preemption_disabled+0x48/0x280
[  236.640274]  ? __lock_is_held+0xb5/0x140
[  236.644339]  __alloc_pages_nodemask+0xad8/0xea0
[  236.649008]  ? zap_class+0x640/0x640
[  236.652724]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  236.657751]  ? find_held_lock+0x36/0x1c0
[  236.661827]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.666497]  ? lock_downgrade+0x900/0x900
[  236.670652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.676198]  cache_grow_begin+0xa5/0x8c0
[  236.680261]  ? do_raw_spin_unlock+0xa7/0x330
[  236.684673]  fallback_alloc+0x204/0x2e0
[  236.688652]  ____cache_alloc_node+0x1c7/0x1e0
[  236.693151]  kmem_cache_alloc_node+0xe3/0x730
[  236.697651]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.702118]  __alloc_skb+0x119/0x770
[  236.705835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.711122]  ? netdev_alloc_frag+0x1f0/0x1f0
[  236.715530]  ? lock_downgrade+0x900/0x900
[  236.719682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.725223]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.730678]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.736133]  ? addrconf_rs_timer+0x690/0x690
[  236.740552]  ndisc_alloc_skb+0x144/0x340
[  236.744617]  ndisc_send_rs+0x331/0x6e0
[  236.748509]  addrconf_rs_timer+0x314/0x690
[  236.752752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.757000]  call_timer_fn+0x272/0x920
[  236.760885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.765121]  ? process_timeout+0x40/0x40
[  236.769191]  ? __run_timers+0x7da/0xc70
[  236.773171]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.777663]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.782159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.786397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  236.790980]  ? trace_hardirqs_on+0xbd/0x310
[  236.795304]  ? kasan_check_read+0x11/0x20
[  236.799450]  ? __run_timers+0x7da/0xc70
[  236.803427]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.808534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.812778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.817012]  __run_timers+0x7e5/0xc70
[  236.820824]  ? timer_fixup_init+0x70/0x70
[  236.824976]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.829992]  ? zap_class+0x640/0x640
[  236.833715]  ? enqueue_hrtimer+0x1a5/0x560
[  236.837961]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  236.843159]  ? find_held_lock+0x36/0x1c0
[  236.847224]  ? zap_class+0x640/0x640
[  236.850958]  ? pvclock_read_flags+0x160/0x160
[  236.855457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.861006]  ? check_preemption_disabled+0x48/0x280
[  236.866031]  ? __lock_is_held+0xb5/0x140
[  236.870101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.875638]  ? check_preemption_disabled+0x48/0x280
[  236.880656]  run_timer_softirq+0x52/0xb0
[  236.884718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  236.889733]  __do_softirq+0x308/0xb7e
[  236.893535]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  236.898028]  ? lock_downgrade+0x900/0x900
[  236.902179]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  236.907288]  ? pvclock_read_flags+0x160/0x160
[  236.911789]  ? lapic_next_event+0x5a/0x90
[  236.915955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.921498]  ? kvm_clock_read+0x18/0x30
[  236.925472]  ? kvm_sched_clock_read+0x9/0x20
[  236.929883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.935424]  ? check_preemption_disabled+0x48/0x280
[  236.940447]  irq_exit+0x17f/0x1c0
[  236.943904]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.948759]  ? smp_reschedule_interrupt+0x109/0x650
[  236.953774]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.959658]  ? interrupt_entry+0xb5/0xc0
[  236.963726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.968743]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.973763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.978605]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.983622]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.988635]  ? task_prio+0x50/0x50
[  236.992175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.997716]  ? check_preemption_disabled+0x48/0x280
[  237.002740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.007590]  apic_timer_interrupt+0xf/0x20
[  237.011821]  </IRQ>
[  237.014058] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.018994] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  237.037890] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  237.045612] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  237.052879] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  237.060168] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  237.067434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  237.074704] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  237.082006]  skb_clone+0x1bb/0x500
[  237.085545]  ? finish_task_switch+0x615/0x910
[  237.090039]  ? skb_split+0x11e0/0x11e0
[  237.093941]  ? preempt_notifier_register+0x200/0x200
[  237.099041]  ? __switch_to_asm+0x34/0x70
[  237.103099]  ? __switch_to_asm+0x34/0x70
[  237.107155]  ? __switch_to_asm+0x40/0x70
[  237.111213]  ? __switch_to_asm+0x34/0x70
[  237.115270]  ? __switch_to_asm+0x40/0x70
[  237.119330]  ? __switch_to_asm+0x34/0x70
[  237.123388]  ? __switch_to_asm+0x40/0x70
[  237.127448]  ? __switch_to_asm+0x34/0x70
[  237.131508]  ? __switch_to_asm+0x34/0x70
[  237.135568]  ? __switch_to_asm+0x40/0x70
[  237.139626]  ? __switch_to_asm+0x34/0x70
[  237.143692]  bpf_clone_redirect+0xb9/0x490
[  237.147942]  ? __schedule+0x8d7/0x21d0
[  237.151834]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  237.156854]  ? __sched_text_start+0x8/0x8
[  237.161000]  ? retint_kernel+0x2d/0x2d
[  237.164912]  ? find_held_lock+0x36/0x1c0
[  237.168980]  ? lock_acquire+0x1ed/0x520
[  237.172956]  ? bpf_test_run+0x3ee/0x7a0
[  237.176943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.182481]  ? check_preemption_disabled+0x48/0x280
[  237.187505]  ? kasan_check_read+0x11/0x20
[  237.191653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.196940]  ? rcu_softirq_qs+0x20/0x20
[  237.200934]  ? preempt_schedule+0x4d/0x60
[  237.205082]  ? ___preempt_schedule+0x16/0x18
[  237.209496]  ? bpf_test_run+0x271/0x7a0
[  237.213477]  ? eth_type_trans+0x2ea/0x760
[  237.217630]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.222041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.227578]  ? bpf_test_init.isra.10+0x70/0x100
[  237.232252]  ? bpf_prog_test_run_skb+0x762/0xd60
[  237.237012]  ? apparmor_cred_transfer+0x590/0x590
[  237.241858]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.246718]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.252257]  ? fput+0x130/0x1a0
[  237.255539]  ? __bpf_prog_get+0x9b/0x290
[  237.259606]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.264452]  ? bpf_prog_test_run+0x130/0x1a0
[  237.268864]  ? __x64_sys_bpf+0x3d8/0x520
[  237.272943]  ? bpf_prog_get+0x20/0x20
[  237.276757]  ? do_syscall_64+0x1b9/0x820
[  237.280815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.286183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.291113]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.296128]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.301148]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  237.307811]  ? __switch_to_asm+0x40/0x70
[  237.311873]  ? __switch_to_asm+0x34/0x70
[  237.315958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.320810]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.326190] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  237.326251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.333031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.333036] Call Trace:
[  237.333041]  <IRQ>
[  237.333057]  dump_stack+0x244/0x39d
[  237.333075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  237.339614] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.348913]  warn_alloc.cold.116+0xb7/0x1bd
[  237.351470] syz-executor4 cpuset=syz4 mems_allowed=0
[  237.353618]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.387126]  ? lock_downgrade+0x900/0x900
[  237.391281]  ? trace_hardirqs_off+0xb8/0x310
[  237.395699]  ? trace_hardirqs_off+0xb8/0x310
[  237.400117]  __alloc_pages_slowpath+0x2651/0x2de0
[  237.404986]  ? warn_alloc+0x120/0x120
[  237.408797]  ? warn_alloc+0x120/0x120
[  237.412604]  ? warn_alloc+0x120/0x120
[  237.416411]  ? print_usage_bug+0xc0/0xc0
[  237.420479]  ? print_usage_bug+0xc0/0xc0
[  237.424539]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.429738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.435273]  ? should_fail+0x22d/0xd01
[  237.439169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.444273]  ? __lock_acquire+0x62f/0x4c20
[  237.448510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.453614]  ? __lock_acquire+0x62f/0x4c20
[  237.457847]  ? should_fail+0x22d/0xd01
[  237.461755]  ? mark_held_locks+0x130/0x130
[  237.465994]  ? mark_held_locks+0x130/0x130
[  237.470227]  ? zap_class+0x640/0x640
[  237.473950]  ? zap_class+0x640/0x640
[  237.477671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.483208]  ? check_preemption_disabled+0x48/0x280
[  237.488229]  ? __lock_is_held+0xb5/0x140
[  237.492298]  __alloc_pages_nodemask+0xad8/0xea0
[  237.496966]  ? zap_class+0x640/0x640
[  237.500683]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  237.505709]  ? find_held_lock+0x36/0x1c0
[  237.509780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.514454]  ? lock_downgrade+0x900/0x900
[  237.518612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.524157]  cache_grow_begin+0xa5/0x8c0
[  237.528219]  ? do_raw_spin_unlock+0xa7/0x330
[  237.532634]  fallback_alloc+0x204/0x2e0
[  237.536619]  ____cache_alloc_node+0x1c7/0x1e0
[  237.541123]  __kmalloc+0x213/0x760
[  237.544672]  ? __neigh_create+0x30b/0x2130
[  237.548915]  __neigh_create+0x30b/0x2130
[  237.552976]  ? __local_bh_enable_ip+0x160/0x260
[  237.557644]  ? __local_bh_enable_ip+0x160/0x260
[  237.562323]  ? mark_held_locks+0x130/0x130
[  237.566559]  ? __local_bh_enable_ip+0x160/0x260
[  237.571227]  ? neigh_hash_alloc+0x1e0/0x1e0
[  237.575548]  ? trace_hardirqs_on+0xbd/0x310
[  237.579884]  ? mark_held_locks+0xc7/0x130
[  237.584033]  ? ip6t_do_table+0xd9e/0x1d30
[  237.588183]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.593285]  ? __local_bh_enable_ip+0x160/0x260
[  237.597956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.603493]  ? ip6t_do_table+0xd6a/0x1d30
[  237.607647]  ? lock_acquire+0x1ed/0x520
[  237.611622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.617159]  ? check_preemption_disabled+0x48/0x280
[  237.622184]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  237.627724]  ? rcu_pm_notify+0xc0/0xc0
[  237.631703]  ? zap_class+0x640/0x640
[  237.635416]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  237.640617]  ip6_finish_output2+0xa59/0x27a0
[  237.645033]  ? ip6_copy_metadata+0xe30/0xe30
[  237.649447]  ? ip6_mtu+0x39c/0x520
[  237.652991]  ? lock_downgrade+0x900/0x900
[  237.657141]  ? check_preemption_disabled+0x48/0x280
[  237.662164]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  237.667096]  ? kasan_check_read+0x11/0x20
[  237.671247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.676525]  ? rcu_softirq_qs+0x20/0x20
[  237.680514]  ? ip6_mtu+0x160/0x520
[  237.684056]  ? find_match+0x10a0/0x10a0
[  237.688033]  ? kasan_check_read+0x11/0x20
[  237.692223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.697502]  ip6_finish_output+0x58c/0xc60
[  237.701738]  ? ip6_finish_output+0x58c/0xc60
[  237.706149]  ip6_output+0x232/0x9d0
[  237.709780]  ? ip6_finish_output+0xc60/0xc60
[  237.714189]  ? ip6_fragment+0x38e0/0x38e0
[  237.718339]  ? __lock_is_held+0xb5/0x140
[  237.722418]  ndisc_send_skb+0x1005/0x1570
[  237.726577]  ? nf_hook.constprop.33+0x860/0x860
[  237.731249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.736784]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.742239]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.747700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.753242]  ndisc_send_rs+0x134/0x6e0
[  237.757141]  addrconf_rs_timer+0x314/0x690
[  237.761384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.765626]  call_timer_fn+0x272/0x920
[  237.769513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.773748]  ? process_timeout+0x40/0x40
[  237.777817]  ? mark_held_locks+0xc7/0x130
[  237.781980]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.786475]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.790969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.795208]  ? lockdep_hardirqs_on+0x296/0x5b0
[  237.799793]  ? trace_hardirqs_on+0xbd/0x310
[  237.804117]  ? kasan_check_read+0x11/0x20
[  237.808261]  ? __run_timers+0x7da/0xc70
[  237.812238]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.817343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.821590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.825821]  __run_timers+0x7e5/0xc70
[  237.829643]  ? timer_fixup_init+0x70/0x70
[  237.833791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.838805]  ? zap_class+0x640/0x640
[  237.842526]  ? print_usage_bug+0xc0/0xc0
[  237.846591]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.851788]  ? find_held_lock+0x36/0x1c0
[  237.855866]  ? zap_class+0x640/0x640
[  237.859589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.865125]  ? check_preemption_disabled+0x48/0x280
[  237.870148]  ? __lock_is_held+0xb5/0x140
[  237.874214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.879751]  ? check_preemption_disabled+0x48/0x280
[  237.884770]  run_timer_softirq+0x52/0xb0
[  237.888829]  ? rcu_read_lock_sched_held+0x14f/0x180
[  237.893871]  __do_softirq+0x308/0xb7e
[  237.897674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.902167]  ? lock_downgrade+0x900/0x900
[  237.906318]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  237.911429]  ? pvclock_read_flags+0x160/0x160
[  237.915928]  ? lapic_next_event+0x5a/0x90
[  237.920078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.925617]  ? kvm_clock_read+0x18/0x30
[  237.929591]  ? kvm_sched_clock_read+0x9/0x20
[  237.934000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.939535]  ? check_preemption_disabled+0x48/0x280
[  237.944559]  irq_exit+0x17f/0x1c0
[  237.948013]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.952867]  ? smp_reschedule_interrupt+0x109/0x650
[  237.957883]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.963766]  ? interrupt_entry+0xb5/0xc0
[  237.967846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.972871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.977900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.982745]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.987762]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.992787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.997642]  apic_timer_interrupt+0xf/0x20
[  238.001873]  </IRQ>
[  238.004116] RIP: 0010:dump_stack+0x358/0x39d
[  238.008529] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  238.027426] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  238.035133] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  238.042403] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  238.049669] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  238.056938] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  238.064209] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  238.071494]  ? dump_stack+0x34f/0x39d
[  238.075307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.080506]  ? mark_held_locks+0x130/0x130
[  238.084745]  ? mark_held_locks+0x130/0x130
[  238.088986]  dump_header+0x27b/0xf72
[  238.092712]  ? pagefault_out_of_memory+0x197/0x197
[  238.097649]  ? __lock_acquire+0x62f/0x4c20
[  238.101884]  ? percpu_ref_get_many+0x240/0x240
[  238.106473]  ? print_usage_bug+0xc0/0xc0
[  238.110540]  ? zap_class+0x640/0x640
[  238.114258]  ? print_usage_bug+0xc0/0xc0
[  238.118320]  ? print_usage_bug+0xc0/0xc0
[  238.122386]  ? zap_class+0x640/0x640
[  238.126106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.131650]  ? find_held_lock+0x36/0x1c0
[  238.135717]  ? mark_held_locks+0xc7/0x130
[  238.139871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.144972]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  238.150080]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  238.154667]  ? trace_hardirqs_on+0xbd/0x310
[  238.158985]  ? kasan_check_read+0x11/0x20
[  238.163132]  ? ___ratelimit+0x3b4/0x672
[  238.167110]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.172220]  ? trace_hardirqs_on+0x310/0x310
[  238.176628]  ? lock_downgrade+0x900/0x900
[  238.180783]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.185899]  ? ___ratelimit+0x3b9/0x672
[  238.189878]  ? idr_get_free+0xf70/0xf70
[  238.193858]  ? find_held_lock+0x36/0x1c0
[  238.197931]  oom_kill_process.cold.27+0x10/0x903
[  238.202687]  ? zap_class+0x640/0x640
[  238.206400]  ? check_preemption_disabled+0x48/0x280
[  238.211422]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.216349]  ? kasan_check_read+0x11/0x20
[  238.220499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.225781]  ? oom_evaluate_task+0x540/0x540
[  238.230203]  ? find_held_lock+0x36/0x1c0
[  238.234274]  ? out_of_memory+0x974/0x1430
[  238.238422]  ? lock_downgrade+0x900/0x900
[  238.242579]  ? check_preemption_disabled+0x48/0x280
[  238.247596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.252527]  ? kasan_check_read+0x11/0x20
[  238.256675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.261952]  ? rcu_softirq_qs+0x20/0x20
[  238.265936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.271475]  ? oom_evaluate_task+0x302/0x540
[  238.275887]  out_of_memory+0xa84/0x1430
[  238.279872]  ? oom_killer_disable+0x3a0/0x3a0
[  238.284370]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  238.289307]  ? __ww_mutex_check_waiters+0x160/0x160
[  238.294339]  __alloc_pages_slowpath+0x232c/0x2de0
[  238.299204]  ? warn_alloc+0x120/0x120
[  238.303002]  ? mark_held_locks+0x130/0x130
[  238.307240]  ? find_get_entry+0xaae/0x1120
[  238.311482]  ? filemap_map_pages+0x1a20/0x1a20
[  238.316069]  ? zap_class+0x640/0x640
[  238.319787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.325336]  ? check_preemption_disabled+0x48/0x280
[  238.330355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.335894]  ? should_fail+0x22d/0xd01
[  238.339785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.344907]  ? zap_class+0x640/0x640
[  238.348641]  ? __lock_is_held+0xb5/0x140
[  238.352709]  ? mark_held_locks+0x130/0x130
[  238.356948]  ? lock_release+0xa00/0xa00
[  238.360924]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.366374]  ? xa_load+0x2ba/0x460
[  238.369918]  ? lock_downgrade+0x900/0x900
[  238.374071]  ? __might_sleep+0x95/0x190
[  238.378049]  __alloc_pages_nodemask+0xad8/0xea0
[  238.382723]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  238.387743]  ? __page_cache_alloc+0x191/0x5c0
[  238.392235]  ? xa_load+0x2e1/0x460
[  238.395776]  ? xa_clear_mark+0x40/0x40
[  238.399678]  ? zap_class+0x640/0x640
[  238.403400]  ? zap_class+0x640/0x640
[  238.407114]  ? zap_class+0x640/0x640
[  238.410834]  ? __do_page_cache_readahead+0x663/0x810
[  238.415943]  ? find_held_lock+0x36/0x1c0
[  238.420013]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  238.425555]  alloc_pages_current+0x173/0x350
[  238.429970]  __page_cache_alloc+0x38c/0x5c0
[  238.434289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.439228]  ? kasan_check_read+0x11/0x20
[  238.443377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.448656]  ? generic_perform_write+0x6a0/0x6a0
[  238.453411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.458948]  ? check_preemption_disabled+0x48/0x280
[  238.463972]  filemap_fault+0x1595/0x25f0
[  238.468049]  ? __lock_page_or_retry+0xa00/0xa00
[  238.472719]  ? mark_held_locks+0x130/0x130
[  238.476964]  ? filemap_map_pages+0xd6b/0x1a20
[  238.481463]  ? lock_downgrade+0x900/0x900
[  238.485610]  ? check_preemption_disabled+0x48/0x280
[  238.490626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.495557]  ? kasan_check_read+0x11/0x20
[  238.499704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.504980]  ? rcu_softirq_qs+0x20/0x20
[  238.508968]  ? filemap_map_pages+0xd92/0x1a20
[  238.513480]  ? find_get_entries_tag+0x1400/0x1400
[  238.518325]  ? __kernel_text_address+0xd/0x40
[  238.522829]  ? unwind_get_return_address+0x61/0xa0
[  238.527775]  ? lock_acquire+0x1ed/0x520
[  238.531761]  ? ext4_filemap_fault+0x7a/0xad
[  238.536284]  ? lock_release+0xa00/0xa00
[  238.540265]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.545722]  ? print_usage_bug+0xc0/0xc0
[  238.549800]  ? print_usage_bug+0xc0/0xc0
[  238.553862]  ? __x64_sys_read+0x73/0xb0
[  238.557839]  ? print_usage_bug+0xc0/0xc0
[  238.561910]  ? down_read+0x8d/0x120
[  238.565534]  ? ext4_filemap_fault+0x7a/0xad
[  238.569856]  ? __down_interruptible+0x700/0x700
[  238.574537]  ext4_filemap_fault+0x82/0xad
[  238.578687]  __do_fault+0x100/0x6b0
[  238.582315]  ? trace_hardirqs_on+0xbd/0x310
[  238.586642]  ? pmd_devmap_trans_unstable+0x220/0x220
[  238.591745]  ? mark_held_locks+0x130/0x130
[  238.595996]  ? mark_held_locks+0x130/0x130
[  238.600229]  ? do_syslog+0x147b/0x1690
[  238.604122]  ? do_syslog+0x309/0x1690
[  238.607924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.613464]  __handle_mm_fault+0x3ea0/0x5be0
[  238.617884]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  238.622733]  ? find_held_lock+0x36/0x1c0
[  238.626828]  ? zap_class+0x640/0x640
[  238.630542]  ? zap_class+0x640/0x640
[  238.634260]  ? find_held_lock+0x36/0x1c0
[  238.638333]  ? handle_mm_fault+0x42a/0xc70
[  238.642569]  ? lock_downgrade+0x900/0x900
[  238.646722]  ? check_preemption_disabled+0x48/0x280
[  238.651744]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.656686]  ? kasan_check_read+0x11/0x20
[  238.660836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.666113]  ? rcu_softirq_qs+0x20/0x20
[  238.670088]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.675201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.680744]  ? check_preemption_disabled+0x48/0x280
[  238.685798]  handle_mm_fault+0x54f/0xc70
[  238.689863]  ? __handle_mm_fault+0x5be0/0x5be0
[  238.694450]  ? find_vma+0x34/0x190
[  238.697995]  __do_page_fault+0x5e8/0xe60
[  238.702532]  ? trace_hardirqs_off+0xb8/0x310
[  238.706976]  ? kernel_write+0x120/0x120
[  238.710963]  do_page_fault+0xf2/0x7e0
[  238.714780]  ? vmalloc_sync_all+0x30/0x30
[  238.718933]  ? error_entry+0x70/0xd0
[  238.722650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.727664]  ? trace_hardirqs_on_caller+0xc0/0x310
[  238.732600]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.737530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.742371]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.747390]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.752840]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  238.757865]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.762883]  ? page_fault+0x8/0x30
[  238.766429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.771278]  ? page_fault+0x8/0x30
[  238.774818]  page_fault+0x1e/0x30
[  238.778274] RIP: 0033:0x7f71188e71fd
[  238.782001] Code: Bad RIP value.
[  238.785363] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  238.790726] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  238.798006] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  238.805278] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  238.812547] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  238.819813] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  238.827095] warn_alloc_show_mem: 1 callbacks suppressed
[  238.827105] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  238.827106] Mem-Info:
[  238.827137] active_anon:46321 inactive_anon:276 isolated_anon:0
[  238.827137]  active_file:12 inactive_file:12 isolated_file:0
[  238.827137]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.827137]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  238.827137]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  238.827137]  free:13741 free_pcp:243 free_cma:0
[  238.832467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.832474] Call Trace:
[  238.839751] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.842155]  <IRQ>
[  238.875014] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.884363]  dump_stack+0x244/0x39d
[  238.886922] lowmem_reserve[]: 0 2818 6321 6321
[  238.914588]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.916718] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  238.942832]  warn_alloc.cold.116+0xb7/0x1bd
[  238.946422] lowmem_reserve[]: 0 0 3503 3503
[  238.951006]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.956171] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  238.983837]  ? lock_downgrade+0x900/0x900
[  238.988141] lowmem_reserve[]: 0 0 0 0
[  238.992462]  ? trace_hardirqs_off+0xb8/0x310
[  238.997279] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  239.026246]  ? trace_hardirqs_off+0xb8/0x310
[  239.030369] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  239.034167]  __alloc_pages_slowpath+0x2651/0x2de0
[  239.038542] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  239.052086]  ? warn_alloc+0x120/0x120
[  239.056457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.071615]  ? print_usage_bug+0xc0/0xc0
[  239.076439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.091334]  ? warn_alloc+0x120/0x120
[  239.095111] 358 total pagecache pages
[  239.103940]  ? warn_alloc+0x120/0x120
[  239.107987] 0 pages in swap cache
[  239.116545]  ? print_usage_bug+0xc0/0xc0
[  239.120322] Swap cache stats: add 0, delete 0, find 0/0
[  239.120330] Free swap  = 0kB
[  239.124123]  ? kvm_clock_read+0x18/0x30
[  239.127899] Total swap = 0kB
[  239.127906] 1965979 pages RAM
[  239.131349]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  239.135379] 0 pages HighMem/MovableOnly
[  239.135387] 342854 pages reserved
[  239.140753]  ? print_usage_bug+0xc0/0xc0
[  239.143760] 0 pages cma reserved
[  239.147742]  ? __lock_acquire+0x62f/0x4c20
[  239.151180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.153851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.159087] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.162822]  ? should_fail+0x22d/0xd01
[  239.166257] rsyslogd cpuset=/ mems_allowed=0
[  239.170313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.213454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.218558]  ? __lock_acquire+0x62f/0x4c20
[  239.222796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.227902]  ? __lock_acquire+0x62f/0x4c20
[  239.232134]  ? should_fail+0x22d/0xd01
[  239.236018]  ? rcu_irq_exit+0x1a2/0x390
[  239.240003]  ? mark_held_locks+0x130/0x130
[  239.244243]  ? mark_held_locks+0x130/0x130
[  239.248482]  ? mark_held_locks+0xc7/0x130
[  239.252629]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  239.257645]  ? zap_class+0x640/0x640
[  239.261361]  ? print_usage_bug+0xc0/0xc0
[  239.265429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.270966]  ? check_preemption_disabled+0x48/0x280
[  239.275991]  ? __lock_is_held+0xb5/0x140
[  239.280055]  __alloc_pages_nodemask+0xad8/0xea0
[  239.284742]  ? zap_class+0x640/0x640
[  239.288460]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  239.293488]  ? find_held_lock+0x36/0x1c0
[  239.297560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.302233]  ? lock_downgrade+0x900/0x900
[  239.306390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.311934]  cache_grow_begin+0xa5/0x8c0
[  239.315996]  ? do_raw_spin_unlock+0xa7/0x330
[  239.320410]  fallback_alloc+0x204/0x2e0
[  239.324390]  ____cache_alloc_node+0x1c7/0x1e0
[  239.328888]  kmem_cache_alloc_node+0xe3/0x730
[  239.333386]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.337630]  __alloc_skb+0x119/0x770
[  239.341343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.346623]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.351032]  ? lock_downgrade+0x900/0x900
[  239.355189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.360741]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.366193]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.371644]  ? addrconf_rs_timer+0x690/0x690
[  239.376061]  ndisc_alloc_skb+0x144/0x340
[  239.380126]  ndisc_send_rs+0x331/0x6e0
[  239.384022]  addrconf_rs_timer+0x314/0x690
[  239.388262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.392504]  call_timer_fn+0x272/0x920
[  239.396391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.400628]  ? process_timeout+0x40/0x40
[  239.404695]  ? __run_timers+0x7da/0xc70
[  239.408689]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.413194]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.417686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.421935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  239.426518]  ? trace_hardirqs_on+0xbd/0x310
[  239.430847]  ? kasan_check_read+0x11/0x20
[  239.434992]  ? __run_timers+0x7da/0xc70
[  239.438971]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.444075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.448315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.452553]  __run_timers+0x7e5/0xc70
[  239.456366]  ? timer_fixup_init+0x70/0x70
[  239.460517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.465536]  ? zap_class+0x640/0x640
[  239.469251]  ? enqueue_hrtimer+0x1a5/0x560
[  239.473489]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.478688]  ? find_held_lock+0x36/0x1c0
[  239.482767]  ? zap_class+0x640/0x640
[  239.486482]  ? pvclock_read_flags+0x160/0x160
[  239.490977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.496517]  ? check_preemption_disabled+0x48/0x280
[  239.501544]  ? __lock_is_held+0xb5/0x140
[  239.505610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.511151]  ? check_preemption_disabled+0x48/0x280
[  239.516171]  run_timer_softirq+0x52/0xb0
[  239.520234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  239.525252]  __do_softirq+0x308/0xb7e
[  239.529056]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.533549]  ? lock_downgrade+0x900/0x900
[  239.537713]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.542825]  ? pvclock_read_flags+0x160/0x160
[  239.547326]  ? lapic_next_event+0x5a/0x90
[  239.551474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.557015]  ? kvm_clock_read+0x18/0x30
[  239.560988]  ? kvm_sched_clock_read+0x9/0x20
[  239.565396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.570932]  ? check_preemption_disabled+0x48/0x280
[  239.575956]  irq_exit+0x17f/0x1c0
[  239.579409]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.584250]  ? smp_reschedule_interrupt+0x109/0x650
[  239.589268]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.595152]  ? interrupt_entry+0xb5/0xc0
[  239.599214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.604233]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.609248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.614112]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.619126]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.624149]  ? task_prio+0x50/0x50
[  239.627707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.633245]  ? check_preemption_disabled+0x48/0x280
[  239.638265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.643114]  apic_timer_interrupt+0xf/0x20
[  239.647346]  </IRQ>
[  239.649586] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.654521] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  239.673419] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  239.681124] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.688389] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  239.695660] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  239.702946] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.710211] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  239.717510]  skb_clone+0x1bb/0x500
[  239.721054]  ? finish_task_switch+0x615/0x910
[  239.725551]  ? skb_split+0x11e0/0x11e0
[  239.729442]  ? preempt_notifier_register+0x200/0x200
[  239.734543]  ? __switch_to_asm+0x34/0x70
[  239.738606]  ? __switch_to_asm+0x34/0x70
[  239.742664]  ? __switch_to_asm+0x40/0x70
[  239.746749]  ? __switch_to_asm+0x34/0x70
[  239.750809]  ? __switch_to_asm+0x40/0x70
[  239.754867]  ? __switch_to_asm+0x34/0x70
[  239.758923]  ? __switch_to_asm+0x40/0x70
[  239.762980]  ? __switch_to_asm+0x34/0x70
[  239.767041]  ? __switch_to_asm+0x34/0x70
[  239.771101]  ? __switch_to_asm+0x40/0x70
[  239.775159]  ? __switch_to_asm+0x34/0x70
[  239.779227]  bpf_clone_redirect+0xb9/0x490
[  239.783464]  ? __schedule+0x8d7/0x21d0
[  239.787353]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  239.792369]  ? __sched_text_start+0x8/0x8
[  239.796520]  ? retint_kernel+0x2d/0x2d
[  239.800415]  ? find_held_lock+0x36/0x1c0
[  239.804481]  ? lock_acquire+0x1ed/0x520
[  239.808455]  ? bpf_test_run+0x3ee/0x7a0
[  239.812429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.817965]  ? check_preemption_disabled+0x48/0x280
[  239.822987]  ? kasan_check_read+0x11/0x20
[  239.827133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.832411]  ? rcu_softirq_qs+0x20/0x20
[  239.836389]  ? preempt_schedule+0x4d/0x60
[  239.840536]  ? ___preempt_schedule+0x16/0x18
[  239.844953]  ? bpf_test_run+0x271/0x7a0
[  239.848933]  ? eth_type_trans+0x2ea/0x760
[  239.853084]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.857498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.863036]  ? bpf_test_init.isra.10+0x70/0x100
[  239.867722]  ? bpf_prog_test_run_skb+0x762/0xd60
[  239.872478]  ? apparmor_cred_transfer+0x590/0x590
[  239.877323]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.882171]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.887709]  ? fput+0x130/0x1a0
[  239.890993]  ? __bpf_prog_get+0x9b/0x290
[  239.895057]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.899902]  ? bpf_prog_test_run+0x130/0x1a0
[  239.904313]  ? __x64_sys_bpf+0x3d8/0x520
[  239.908378]  ? bpf_prog_get+0x20/0x20
[  239.912192]  ? do_syscall_64+0x1b9/0x820
[  239.916250]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.921614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.926547]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.931567]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.936586]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  239.943250]  ? __switch_to_asm+0x40/0x70
[  239.947308]  ? __switch_to_asm+0x34/0x70
[  239.951375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.956224]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.961602] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  239.961680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.968440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.968444] Call Trace:
[  239.968450]  <IRQ>
[  239.968465]  dump_stack+0x244/0x39d
[  239.968483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  239.974999] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.984307]  warn_alloc.cold.116+0xb7/0x1bd
[  239.986861] syz-executor4 cpuset=syz4 mems_allowed=0
[  239.989005]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.022513]  ? lock_downgrade+0x900/0x900
[  240.026678]  ? trace_hardirqs_off+0xb8/0x310
[  240.031094]  ? trace_hardirqs_off+0xb8/0x310
[  240.035509]  __alloc_pages_slowpath+0x2651/0x2de0
[  240.040376]  ? warn_alloc+0x120/0x120
[  240.044184]  ? warn_alloc+0x120/0x120
[  240.047988]  ? veth_xmit+0x422/0xbe0
[  240.051721]  ? warn_alloc+0x120/0x120
[  240.055522]  ? print_usage_bug+0xc0/0xc0
[  240.059589]  ? kasan_check_read+0x11/0x20
[  240.063742]  ? print_usage_bug+0xc0/0xc0
[  240.067803]  ? rcu_softirq_qs+0x20/0x20
[  240.071780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.077321]  ? check_preemption_disabled+0x48/0x280
[  240.082336]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.087872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.093408]  ? should_fail+0x22d/0xd01
[  240.097299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.102405]  ? __lock_acquire+0x62f/0x4c20
[  240.106643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.111760]  ? __lock_acquire+0x62f/0x4c20
[  240.115998]  ? should_fail+0x22d/0xd01
[  240.119894]  ? mark_held_locks+0x130/0x130
[  240.124134]  ? mark_held_locks+0x130/0x130
[  240.128372]  ? dev_hard_start_xmit+0x42c/0xc80
[  240.132960]  ? zap_class+0x640/0x640
[  240.136692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.142233]  ? check_preemption_disabled+0x48/0x280
[  240.147255]  ? __lock_is_held+0xb5/0x140
[  240.151320]  __alloc_pages_nodemask+0xad8/0xea0
[  240.155989]  ? zap_class+0x640/0x640
[  240.159708]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  240.164736]  ? find_held_lock+0x36/0x1c0
[  240.168805]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.173475]  ? lock_downgrade+0x900/0x900
[  240.177630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.183187]  cache_grow_begin+0xa5/0x8c0
[  240.187247]  ? do_raw_spin_unlock+0xa7/0x330
[  240.191670]  fallback_alloc+0x204/0x2e0
[  240.195666]  ____cache_alloc_node+0x1c7/0x1e0
[  240.200169]  __kmalloc+0x213/0x760
[  240.203714]  ? __neigh_create+0x30b/0x2130
[  240.207953]  __neigh_create+0x30b/0x2130
[  240.212012]  ? __local_bh_enable_ip+0x160/0x260
[  240.216683]  ? __local_bh_enable_ip+0x160/0x260
[  240.221365]  ? mark_held_locks+0x130/0x130
[  240.225596]  ? __local_bh_enable_ip+0x160/0x260
[  240.230263]  ? neigh_hash_alloc+0x1e0/0x1e0
[  240.234583]  ? trace_hardirqs_on+0xbd/0x310
[  240.238905]  ? mark_held_locks+0xc7/0x130
[  240.243055]  ? ip6t_do_table+0xd9e/0x1d30
[  240.247209]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.252310]  ? __local_bh_enable_ip+0x160/0x260
[  240.256981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.262518]  ? ip6t_do_table+0xd6a/0x1d30
[  240.266682]  ? lock_acquire+0x1ed/0x520
[  240.270667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.276203]  ? check_preemption_disabled+0x48/0x280
[  240.281228]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  240.286765]  ? rcu_pm_notify+0xc0/0xc0
[  240.290666]  ? zap_class+0x640/0x640
[  240.294380]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  240.299579]  ip6_finish_output2+0xa59/0x27a0
[  240.303996]  ? ip6_copy_metadata+0xe30/0xe30
[  240.308409]  ? ip6_mtu+0x39c/0x520
[  240.311951]  ? lock_downgrade+0x900/0x900
[  240.316101]  ? check_preemption_disabled+0x48/0x280
[  240.321118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.326052]  ? kasan_check_read+0x11/0x20
[  240.330201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.335475]  ? rcu_softirq_qs+0x20/0x20
[  240.339459]  ? ip6_mtu+0x160/0x520
[  240.342999]  ? find_match+0x10a0/0x10a0
[  240.346976]  ? kasan_check_read+0x11/0x20
[  240.351124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.356406]  ip6_finish_output+0x58c/0xc60
[  240.360657]  ? ip6_finish_output+0x58c/0xc60
[  240.365069]  ip6_output+0x232/0x9d0
[  240.368701]  ? ip6_finish_output+0xc60/0xc60
[  240.373111]  ? ip6_fragment+0x38e0/0x38e0
[  240.377260]  ? __lock_is_held+0xb5/0x140
[  240.381332]  ndisc_send_skb+0x1005/0x1570
[  240.385489]  ? nf_hook.constprop.33+0x860/0x860
[  240.390165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.395721]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.401178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.406655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.412199]  ndisc_send_rs+0x134/0x6e0
[  240.416095]  addrconf_rs_timer+0x314/0x690
[  240.420336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.424578]  call_timer_fn+0x272/0x920
[  240.428464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.432698]  ? process_timeout+0x40/0x40
[  240.436770]  ? mark_held_locks+0xc7/0x130
[  240.440917]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.445409]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.449902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.454141]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.458728]  ? trace_hardirqs_on+0xbd/0x310
[  240.463051]  ? kasan_check_read+0x11/0x20
[  240.467197]  ? __run_timers+0x7da/0xc70
[  240.471173]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.476282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.480523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.484758]  __run_timers+0x7e5/0xc70
[  240.488568]  ? timer_fixup_init+0x70/0x70
[  240.492716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.497733]  ? zap_class+0x640/0x640
[  240.501451]  ? print_usage_bug+0xc0/0xc0
[  240.505518]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  240.510712]  ? find_held_lock+0x36/0x1c0
[  240.514776]  ? zap_class+0x640/0x640
[  240.518496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.524046]  ? check_preemption_disabled+0x48/0x280
[  240.529075]  ? __lock_is_held+0xb5/0x140
[  240.533342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.538886]  ? check_preemption_disabled+0x48/0x280
[  240.543905]  run_timer_softirq+0x52/0xb0
[  240.547966]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.552981]  __do_softirq+0x308/0xb7e
[  240.556784]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.561281]  ? lock_downgrade+0x900/0x900
[  240.565432]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.570545]  ? pvclock_read_flags+0x160/0x160
[  240.575044]  ? lapic_next_event+0x5a/0x90
[  240.579198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.584745]  ? kvm_clock_read+0x18/0x30
[  240.588724]  ? kvm_sched_clock_read+0x9/0x20
[  240.593141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.598683]  ? check_preemption_disabled+0x48/0x280
[  240.603708]  irq_exit+0x17f/0x1c0
[  240.607160]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.612005]  ? smp_reschedule_interrupt+0x109/0x650
[  240.617021]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.622904]  ? interrupt_entry+0xb5/0xc0
[  240.626966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.631982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.637005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.641847]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.646864]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.651891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.656744]  apic_timer_interrupt+0xf/0x20
[  240.660971]  </IRQ>
[  240.663212] RIP: 0010:dump_stack+0x358/0x39d
[  240.667637] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  240.686536] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  240.694243] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  240.702025] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  240.709293] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  240.716564] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  240.723842] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  240.731129]  ? dump_stack+0x34f/0x39d
[  240.734942]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.740138]  ? mark_held_locks+0x130/0x130
[  240.744373]  ? mark_held_locks+0x130/0x130
[  240.748622]  dump_header+0x27b/0xf72
[  240.752345]  ? pagefault_out_of_memory+0x197/0x197
[  240.757278]  ? __lock_acquire+0x62f/0x4c20
[  240.761513]  ? percpu_ref_get_many+0x240/0x240
[  240.766101]  ? print_usage_bug+0xc0/0xc0
[  240.770166]  ? zap_class+0x640/0x640
[  240.773885]  ? print_usage_bug+0xc0/0xc0
[  240.777947]  ? print_usage_bug+0xc0/0xc0
[  240.782009]  ? zap_class+0x640/0x640
[  240.785727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.791270]  ? find_held_lock+0x36/0x1c0
[  240.795338]  ? mark_held_locks+0xc7/0x130
[  240.799490]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.804611]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.809718]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  240.814301]  ? trace_hardirqs_on+0xbd/0x310
[  240.818630]  ? kasan_check_read+0x11/0x20
[  240.822776]  ? ___ratelimit+0x3b4/0x672
[  240.826751]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.831854]  ? trace_hardirqs_on+0x310/0x310
[  240.836264]  ? lock_downgrade+0x900/0x900
[  240.840414]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.845517]  ? ___ratelimit+0x3b9/0x672
[  240.849493]  ? idr_get_free+0xf70/0xf70
[  240.853465]  ? find_held_lock+0x36/0x1c0
[  240.857532]  oom_kill_process.cold.27+0x10/0x903
[  240.862287]  ? zap_class+0x640/0x640
[  240.866003]  ? check_preemption_disabled+0x48/0x280
[  240.871022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.875949]  ? kasan_check_read+0x11/0x20
[  240.880105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.885382]  ? oom_evaluate_task+0x540/0x540
[  240.889799]  ? find_held_lock+0x36/0x1c0
[  240.893866]  ? out_of_memory+0x974/0x1430
[  240.898014]  ? lock_downgrade+0x900/0x900
[  240.902165]  ? check_preemption_disabled+0x48/0x280
[  240.907185]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.912115]  ? kasan_check_read+0x11/0x20
[  240.916266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.921545]  ? rcu_softirq_qs+0x20/0x20
[  240.925534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.931069]  ? oom_evaluate_task+0x302/0x540
[  240.935484]  out_of_memory+0xa84/0x1430
[  240.939466]  ? oom_killer_disable+0x3a0/0x3a0
[  240.943962]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  240.948892]  ? __ww_mutex_check_waiters+0x160/0x160
[  240.953917]  __alloc_pages_slowpath+0x232c/0x2de0
[  240.958785]  ? warn_alloc+0x120/0x120
[  240.962672]  ? mark_held_locks+0x130/0x130
[  240.966914]  ? find_get_entry+0xaae/0x1120
[  240.971160]  ? filemap_map_pages+0x1a20/0x1a20
[  240.975748]  ? zap_class+0x640/0x640
[  240.979466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.985010]  ? check_preemption_disabled+0x48/0x280
[  240.990031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.995585]  ? should_fail+0x22d/0xd01
[  240.999479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.004597]  ? zap_class+0x640/0x640
[  241.008336]  ? __lock_is_held+0xb5/0x140
[  241.012404]  ? mark_held_locks+0x130/0x130
[  241.016642]  ? lock_release+0xa00/0xa00
[  241.020623]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.026072]  ? xa_load+0x2ba/0x460
[  241.029633]  ? lock_downgrade+0x900/0x900
[  241.033784]  ? __might_sleep+0x95/0x190
[  241.037764]  __alloc_pages_nodemask+0xad8/0xea0
[  241.042441]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  241.047458]  ? __page_cache_alloc+0x191/0x5c0
[  241.051958]  ? xa_load+0x2e1/0x460
[  241.055499]  ? xa_clear_mark+0x40/0x40
[  241.059387]  ? zap_class+0x640/0x640
[  241.063111]  ? zap_class+0x640/0x640
[  241.066825]  ? zap_class+0x640/0x640
[  241.070538]  ? __do_page_cache_readahead+0x663/0x810
[  241.075657]  ? find_held_lock+0x36/0x1c0
[  241.079725]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  241.085271]  alloc_pages_current+0x173/0x350
[  241.089694]  __page_cache_alloc+0x38c/0x5c0
[  241.094018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.098949]  ? kasan_check_read+0x11/0x20
[  241.103099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.108376]  ? generic_perform_write+0x6a0/0x6a0
[  241.113132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.118673]  ? check_preemption_disabled+0x48/0x280
[  241.123697]  filemap_fault+0x1595/0x25f0
[  241.127768]  ? __lock_page_or_retry+0xa00/0xa00
[  241.132437]  ? mark_held_locks+0x130/0x130
[  241.136679]  ? filemap_map_pages+0xd6b/0x1a20
[  241.141180]  ? lock_downgrade+0x900/0x900
[  241.145327]  ? check_preemption_disabled+0x48/0x280
[  241.150345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.155277]  ? kasan_check_read+0x11/0x20
[  241.159425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.164699]  ? rcu_softirq_qs+0x20/0x20
[  241.168687]  ? filemap_map_pages+0xd92/0x1a20
[  241.173198]  ? find_get_entries_tag+0x1400/0x1400
[  241.178042]  ? __kernel_text_address+0xd/0x40
[  241.182542]  ? unwind_get_return_address+0x61/0xa0
[  241.187499]  ? lock_acquire+0x1ed/0x520
[  241.191477]  ? ext4_filemap_fault+0x7a/0xad
[  241.195806]  ? lock_release+0xa00/0xa00
[  241.199780]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.205232]  ? print_usage_bug+0xc0/0xc0
[  241.209296]  ? print_usage_bug+0xc0/0xc0
[  241.213360]  ? __x64_sys_read+0x73/0xb0
[  241.217334]  ? print_usage_bug+0xc0/0xc0
[  241.221406]  ? down_read+0x8d/0x120
[  241.225032]  ? ext4_filemap_fault+0x7a/0xad
[  241.229362]  ? __down_interruptible+0x700/0x700
[  241.234044]  ext4_filemap_fault+0x82/0xad
[  241.238196]  __do_fault+0x100/0x6b0
[  241.241823]  ? trace_hardirqs_on+0xbd/0x310
[  241.246148]  ? pmd_devmap_trans_unstable+0x220/0x220
[  241.251340]  ? mark_held_locks+0x130/0x130
[  241.255587]  ? mark_held_locks+0x130/0x130
[  241.259820]  ? do_syslog+0x147b/0x1690
[  241.263712]  ? do_syslog+0x309/0x1690
[  241.267515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.273073]  __handle_mm_fault+0x3ea0/0x5be0
[  241.277489]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  241.282338]  ? find_held_lock+0x36/0x1c0
[  241.286412]  ? zap_class+0x640/0x640
[  241.290124]  ? zap_class+0x640/0x640
[  241.293846]  ? find_held_lock+0x36/0x1c0
[  241.297918]  ? handle_mm_fault+0x42a/0xc70
[  241.302159]  ? lock_downgrade+0x900/0x900
[  241.306306]  ? check_preemption_disabled+0x48/0x280
[  241.311327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.316255]  ? kasan_check_read+0x11/0x20
[  241.320402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.325680]  ? rcu_softirq_qs+0x20/0x20
[  241.329658]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.334765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.340301]  ? check_preemption_disabled+0x48/0x280
[  241.345328]  handle_mm_fault+0x54f/0xc70
[  241.349391]  ? __handle_mm_fault+0x5be0/0x5be0
[  241.353979]  ? find_vma+0x34/0x190
[  241.357522]  __do_page_fault+0x5e8/0xe60
[  241.361593]  ? trace_hardirqs_off+0xb8/0x310
[  241.366004]  ? kernel_write+0x120/0x120
[  241.369985]  do_page_fault+0xf2/0x7e0
[  241.373789]  ? vmalloc_sync_all+0x30/0x30
[  241.377941]  ? error_entry+0x70/0xd0
[  241.381655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.386670]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.391599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.396526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.401381]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.406396]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.411848]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.416865]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.421882]  ? page_fault+0x8/0x30
[  241.425426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.430271]  ? page_fault+0x8/0x30
[  241.433828]  page_fault+0x1e/0x30
[  241.437278] RIP: 0033:0x7f71188e71fd
[  241.441004] Code: Bad RIP value.
[  241.444364] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  241.449727] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  241.456996] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  241.464260] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  241.471526] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  241.478798] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  241.486075] warn_alloc_show_mem: 1 callbacks suppressed
[  241.486084] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  241.486086] Mem-Info:
[  241.486115] active_anon:46321 inactive_anon:276 isolated_anon:0
[  241.486115]  active_file:12 inactive_file:12 isolated_file:0
[  241.486115]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.486115]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  241.486115]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  241.486115]  free:13741 free_pcp:243 free_cma:0
[  241.491441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.491447] Call Trace:
[  241.498712] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.501109]  <IRQ>
[  241.533957] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.543381]  dump_stack+0x244/0x39d
[  241.545929] lowmem_reserve[]: 0 2818 6321 6321
[  241.573578]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.575696] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  241.601794]  warn_alloc.cold.116+0xb7/0x1bd
[  241.605380] lowmem_reserve[]: 0 0 3503 3503
[  241.609951]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.615106] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  241.642673]  ? lock_downgrade+0x900/0x900
[  241.646960] lowmem_reserve[]: 0 0 0 0
[  241.651285]  ? trace_hardirqs_off+0xb8/0x310
[  241.656088] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  241.685127]  ? trace_hardirqs_off+0xb8/0x310
[  241.689241] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  241.693032]  __alloc_pages_slowpath+0x2651/0x2de0
[  241.697398] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  241.710926]  ? warn_alloc+0x120/0x120
[  241.715288] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.730431]  ? print_usage_bug+0xc0/0xc0
[  241.735257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.750141]  ? warn_alloc+0x120/0x120
[  241.753906] 358 total pagecache pages
[  241.762722]  ? warn_alloc+0x120/0x120
[  241.766758] 0 pages in swap cache
[  241.775306]  ? print_usage_bug+0xc0/0xc0
[  241.779076] Swap cache stats: add 0, delete 0, find 0/0
[  241.782857]  ? print_usage_bug+0xc0/0xc0
[  241.786620] Free swap  = 0kB
[  241.790248]  ? __lock_acquire+0x62f/0x4c20
[  241.794271] Total swap = 0kB
[  241.794277] 1965979 pages RAM
[  241.799624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.803651] 0 pages HighMem/MovableOnly
[  241.803658] 342854 pages reserved
[  241.806659]  ? should_fail+0x22d/0xd01
[  241.810860] 0 pages cma reserved
[  241.813864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.817304] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.822454]  ? __lock_acquire+0x62f/0x4c20
[  241.826391] rsyslogd cpuset=/ mems_allowed=0
[  241.829827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.865890]  ? __lock_acquire+0x62f/0x4c20
[  241.870111]  ? should_fail+0x22d/0xd01
[  241.873987]  ? find_held_lock+0x36/0x1c0
[  241.878045]  ? mark_held_locks+0x130/0x130
[  241.882278]  ? mark_held_locks+0x130/0x130
[  241.886512]  ? zap_class+0x640/0x640
[  241.890217]  ? zap_class+0x640/0x640
[  241.893921]  ? print_usage_bug+0xc0/0xc0
[  241.897965]  ? do_raw_spin_unlock+0xa7/0x330
[  241.902355]  ? zap_class+0x640/0x640
[  241.906068]  ? print_usage_bug+0xc0/0xc0
[  241.910114]  ? wq_watchdog_touch+0x9c/0xfe
[  241.914338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.919861]  ? check_preemption_disabled+0x48/0x280
[  241.924869]  ? __lock_is_held+0xb5/0x140
[  241.928923]  __alloc_pages_nodemask+0xad8/0xea0
[  241.933578]  ? zap_class+0x640/0x640
[  241.937282]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  241.942294]  ? find_held_lock+0x36/0x1c0
[  241.946352]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.951015]  ? lock_downgrade+0x900/0x900
[  241.955156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.960775]  cache_grow_begin+0xa5/0x8c0
[  241.964822]  ? do_raw_spin_unlock+0xa7/0x330
[  241.969221]  fallback_alloc+0x204/0x2e0
[  241.973187]  ____cache_alloc_node+0x1c7/0x1e0
[  241.977675]  kmem_cache_alloc_node+0xe3/0x730
[  241.982160]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.986392]  __alloc_skb+0x119/0x770
[  241.990098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.995370]  ? netdev_alloc_frag+0x1f0/0x1f0
[  241.999761]  ? lock_downgrade+0x900/0x900
[  242.003898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.009417]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.014856]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.020293]  ? addrconf_rs_timer+0x690/0x690
[  242.024701]  ndisc_alloc_skb+0x144/0x340
[  242.028765]  ndisc_send_rs+0x331/0x6e0
[  242.032641]  addrconf_rs_timer+0x314/0x690
[  242.036885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.041127]  call_timer_fn+0x272/0x920
[  242.045020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.049263]  ? process_timeout+0x40/0x40
[  242.053316]  ? __run_timers+0x7da/0xc70
[  242.057281]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.061764]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.066245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.070462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.075044]  ? trace_hardirqs_on+0xbd/0x310
[  242.079358]  ? kasan_check_read+0x11/0x20
[  242.083503]  ? __run_timers+0x7da/0xc70
[  242.087468]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.092583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.096824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.101043]  __run_timers+0x7e5/0xc70
[  242.104836]  ? timer_fixup_init+0x70/0x70
[  242.108987]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.114006]  ? zap_class+0x640/0x640
[  242.117707]  ? enqueue_hrtimer+0x1a5/0x560
[  242.121933]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.127112]  ? find_held_lock+0x36/0x1c0
[  242.131167]  ? zap_class+0x640/0x640
[  242.134874]  ? pvclock_read_flags+0x160/0x160
[  242.139354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.144878]  ? check_preemption_disabled+0x48/0x280
[  242.149888]  ? __lock_is_held+0xb5/0x140
[  242.153937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.159463]  ? check_preemption_disabled+0x48/0x280
[  242.164492]  run_timer_softirq+0x52/0xb0
[  242.168542]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.173550]  __do_softirq+0x308/0xb7e
[  242.177339]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.181821]  ? lock_downgrade+0x900/0x900
[  242.185962]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.191056]  ? pvclock_read_flags+0x160/0x160
[  242.195552]  ? lapic_next_event+0x5a/0x90
[  242.199689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.205215]  ? kvm_clock_read+0x18/0x30
[  242.209179]  ? kvm_sched_clock_read+0x9/0x20
[  242.213574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.219116]  ? check_preemption_disabled+0x48/0x280
[  242.224123]  irq_exit+0x17f/0x1c0
[  242.227565]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.232393]  ? smp_reschedule_interrupt+0x109/0x650
[  242.237398]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.243268]  ? interrupt_entry+0xb5/0xc0
[  242.247317]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.252319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.257320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.262148]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.267150]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.272153]  ? task_prio+0x50/0x50
[  242.275679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.281229]  ? check_preemption_disabled+0x48/0x280
[  242.286237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.291077]  apic_timer_interrupt+0xf/0x20
[  242.295294]  </IRQ>
[  242.297539] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.302470] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  242.321357] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  242.329066] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.336321] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  242.343573] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  242.350826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.358091] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  242.365374]  skb_clone+0x1bb/0x500
[  242.368899]  ? finish_task_switch+0x615/0x910
[  242.373380]  ? skb_split+0x11e0/0x11e0
[  242.377259]  ? preempt_notifier_register+0x200/0x200
[  242.382349]  ? __switch_to_asm+0x34/0x70
[  242.386395]  ? __switch_to_asm+0x34/0x70
[  242.390445]  ? __switch_to_asm+0x40/0x70
[  242.394511]  ? __switch_to_asm+0x34/0x70
[  242.398554]  ? __switch_to_asm+0x40/0x70
[  242.402600]  ? __switch_to_asm+0x34/0x70
[  242.406645]  ? __switch_to_asm+0x40/0x70
[  242.410693]  ? __switch_to_asm+0x34/0x70
[  242.414739]  ? __switch_to_asm+0x34/0x70
[  242.418779]  ? __switch_to_asm+0x40/0x70
[  242.422833]  ? __switch_to_asm+0x34/0x70
[  242.426879]  bpf_clone_redirect+0xb9/0x490
[  242.431108]  ? __schedule+0x8d7/0x21d0
[  242.434987]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  242.439989]  ? __sched_text_start+0x8/0x8
[  242.444127]  ? retint_kernel+0x2d/0x2d
[  242.448009]  ? find_held_lock+0x36/0x1c0
[  242.452064]  ? lock_acquire+0x1ed/0x520
[  242.456029]  ? bpf_test_run+0x3ee/0x7a0
[  242.459989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.465511]  ? check_preemption_disabled+0x48/0x280
[  242.470521]  ? kasan_check_read+0x11/0x20
[  242.474671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.479934]  ? rcu_softirq_qs+0x20/0x20
[  242.483900]  ? preempt_schedule+0x4d/0x60
[  242.488037]  ? ___preempt_schedule+0x16/0x18
[  242.492435]  ? bpf_test_run+0x271/0x7a0
[  242.496426]  ? eth_type_trans+0x2ea/0x760
[  242.500570]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.504981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.510505]  ? bpf_test_init.isra.10+0x70/0x100
[  242.515184]  ? bpf_prog_test_run_skb+0x762/0xd60
[  242.519930]  ? apparmor_cred_transfer+0x590/0x590
[  242.524782]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.529613]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.535632]  ? fput+0x130/0x1a0
[  242.538902]  ? __bpf_prog_get+0x9b/0x290
[  242.542956]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.547789]  ? bpf_prog_test_run+0x130/0x1a0
[  242.552186]  ? __x64_sys_bpf+0x3d8/0x520
[  242.556233]  ? bpf_prog_get+0x20/0x20
[  242.560040]  ? do_syscall_64+0x1b9/0x820
[  242.564088]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.569449]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.574365]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.579368]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.584468]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  242.591119]  ? __switch_to_asm+0x40/0x70
[  242.595163]  ? __switch_to_asm+0x34/0x70
[  242.599212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.604046]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.609411] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  242.609502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.616241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.616248] Call Trace:
[  242.622776] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.632039]  <IRQ>
[  242.634598] syz-executor4 cpuset=syz4 mems_allowed=0
[  242.645064]  dump_stack+0x244/0x39d
[  242.655865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.661047]  warn_alloc.cold.116+0xb7/0x1bd
[  242.665358]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.670282]  ? lock_downgrade+0x900/0x900
[  242.674436]  ? trace_hardirqs_off+0xb8/0x310
[  242.678841]  ? trace_hardirqs_off+0xb8/0x310
[  242.683249]  __alloc_pages_slowpath+0x2651/0x2de0
[  242.688100]  ? warn_alloc+0x120/0x120
[  242.691887]  ? warn_alloc+0x120/0x120
[  242.695676]  ? veth_xmit+0x422/0xbe0
[  242.699377]  ? warn_alloc+0x120/0x120
[  242.703685]  ? print_usage_bug+0xc0/0xc0
[  242.707739]  ? kasan_check_read+0x11/0x20
[  242.711879]  ? print_usage_bug+0xc0/0xc0
[  242.715928]  ? rcu_softirq_qs+0x20/0x20
[  242.719894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.725454]  ? check_preemption_disabled+0x48/0x280
[  242.730460]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.735985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.741506]  ? should_fail+0x22d/0xd01
[  242.745382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.750475]  ? __lock_acquire+0x62f/0x4c20
[  242.754702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.759791]  ? __lock_acquire+0x62f/0x4c20
[  242.764011]  ? should_fail+0x22d/0xd01
[  242.767891]  ? mark_held_locks+0x130/0x130
[  242.772114]  ? mark_held_locks+0x130/0x130
[  242.776339]  ? dev_hard_start_xmit+0x42c/0xc80
[  242.780912]  ? zap_class+0x640/0x640
[  242.784621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.790142]  ? check_preemption_disabled+0x48/0x280
[  242.795165]  ? __lock_is_held+0xb5/0x140
[  242.799218]  __alloc_pages_nodemask+0xad8/0xea0
[  242.803875]  ? zap_class+0x640/0x640
[  242.807576]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  242.812587]  ? find_held_lock+0x36/0x1c0
[  242.816639]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.821294]  ? lock_downgrade+0x900/0x900
[  242.825439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.830963]  cache_grow_begin+0xa5/0x8c0
[  242.835008]  ? do_raw_spin_unlock+0xa7/0x330
[  242.839404]  fallback_alloc+0x204/0x2e0
[  242.843372]  ____cache_alloc_node+0x1c7/0x1e0
[  242.847857]  __kmalloc+0x213/0x760
[  242.851383]  ? __neigh_create+0x30b/0x2130
[  242.855610]  __neigh_create+0x30b/0x2130
[  242.859685]  ? __local_bh_enable_ip+0x160/0x260
[  242.864341]  ? __local_bh_enable_ip+0x160/0x260
[  242.869003]  ? mark_held_locks+0x130/0x130
[  242.873222]  ? __local_bh_enable_ip+0x160/0x260
[  242.877875]  ? neigh_hash_alloc+0x1e0/0x1e0
[  242.882186]  ? trace_hardirqs_on+0xbd/0x310
[  242.886495]  ? mark_held_locks+0xc7/0x130
[  242.890631]  ? ip6t_do_table+0xd9e/0x1d30
[  242.894768]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.899855]  ? __local_bh_enable_ip+0x160/0x260
[  242.904514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.910036]  ? ip6t_do_table+0xd6a/0x1d30
[  242.914173]  ? lock_acquire+0x1ed/0x520
[  242.918147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.923673]  ? check_preemption_disabled+0x48/0x280
[  242.928677]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  242.934211]  ? rcu_pm_notify+0xc0/0xc0
[  242.938082]  ? zap_class+0x640/0x640
[  242.941784]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  242.946969]  ip6_finish_output2+0xa59/0x27a0
[  242.951376]  ? ip6_copy_metadata+0xe30/0xe30
[  242.955783]  ? ip6_mtu+0x39c/0x520
[  242.959309]  ? lock_downgrade+0x900/0x900
[  242.963444]  ? check_preemption_disabled+0x48/0x280
[  242.968451]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  242.973364]  ? kasan_check_read+0x11/0x20
[  242.977499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.982766]  ? rcu_softirq_qs+0x20/0x20
[  242.986772]  ? ip6_mtu+0x160/0x520
[  242.990297]  ? find_match+0x10a0/0x10a0
[  242.994260]  ? kasan_check_read+0x11/0x20
[  242.998415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.003692]  ip6_finish_output+0x58c/0xc60
[  243.007931]  ? ip6_finish_output+0x58c/0xc60
[  243.012329]  ip6_output+0x232/0x9d0
[  243.015944]  ? ip6_finish_output+0xc60/0xc60
[  243.020339]  ? ip6_fragment+0x38e0/0x38e0
[  243.024473]  ? __lock_is_held+0xb5/0x140
[  243.028533]  ndisc_send_skb+0x1005/0x1570
[  243.032678]  ? nf_hook.constprop.33+0x860/0x860
[  243.037338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.042860]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.048307]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.053761]  ndisc_send_rs+0x134/0x6e0
[  243.057655]  addrconf_rs_timer+0x314/0x690
[  243.061879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.066108]  call_timer_fn+0x272/0x920
[  243.069980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.074205]  ? process_timeout+0x40/0x40
[  243.078262]  ? mark_held_locks+0xc7/0x130
[  243.082412]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.086892]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.091378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.095606]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.100178]  ? trace_hardirqs_on+0xbd/0x310
[  243.104500]  ? kasan_check_read+0x11/0x20
[  243.108808]  ? __run_timers+0x7da/0xc70
[  243.112775]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.117872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.122106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.126324]  __run_timers+0x7e5/0xc70
[  243.130122]  ? timer_fixup_init+0x70/0x70
[  243.134256]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.139256]  ? zap_class+0x640/0x640
[  243.142956]  ? print_usage_bug+0xc0/0xc0
[  243.147004]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.152185]  ? find_held_lock+0x36/0x1c0
[  243.156233]  ? zap_class+0x640/0x640
[  243.159939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.165462]  ? check_preemption_disabled+0x48/0x280
[  243.170475]  ? __lock_is_held+0xb5/0x140
[  243.174523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.180050]  ? check_preemption_disabled+0x48/0x280
[  243.185056]  run_timer_softirq+0x52/0xb0
[  243.189102]  ? rcu_read_lock_sched_held+0x14f/0x180
[  243.194113]  __do_softirq+0x308/0xb7e
[  243.197906]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  243.202394]  ? lock_downgrade+0x900/0x900
[  243.206533]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  243.211625]  ? pvclock_read_flags+0x160/0x160
[  243.216112]  ? lapic_next_event+0x5a/0x90
[  243.220251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.225791]  ? kvm_clock_read+0x18/0x30
[  243.229750]  ? kvm_sched_clock_read+0x9/0x20
[  243.234146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.239682]  ? check_preemption_disabled+0x48/0x280
[  243.244690]  irq_exit+0x17f/0x1c0
[  243.248139]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.252977]  ? smp_reschedule_interrupt+0x109/0x650
[  243.257979]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.263848]  ? interrupt_entry+0xb5/0xc0
[  243.267899]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.272904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.277908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.282739]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.287741]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.292753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.297591]  apic_timer_interrupt+0xf/0x20
[  243.301828]  </IRQ>
[  243.304059] RIP: 0010:dump_stack+0x358/0x39d
[  243.308462] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  243.327351] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  243.335046] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  243.342300] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  243.349552] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  243.356804] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  243.364055] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  243.371319]  ? dump_stack+0x34f/0x39d
[  243.375121]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.380299]  ? mark_held_locks+0x130/0x130
[  243.384519]  ? mark_held_locks+0x130/0x130
[  243.388746]  dump_header+0x27b/0xf72
[  243.392455]  ? pagefault_out_of_memory+0x197/0x197
[  243.397377]  ? __lock_acquire+0x62f/0x4c20
[  243.401605]  ? percpu_ref_get_many+0x240/0x240
[  243.406194]  ? print_usage_bug+0xc0/0xc0
[  243.410265]  ? zap_class+0x640/0x640
[  243.413969]  ? print_usage_bug+0xc0/0xc0
[  243.418017]  ? print_usage_bug+0xc0/0xc0
[  243.422069]  ? zap_class+0x640/0x640
[  243.425769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.431295]  ? find_held_lock+0x36/0x1c0
[  243.435346]  ? mark_held_locks+0xc7/0x130
[  243.439491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.444576]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  243.449674]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  243.454243]  ? trace_hardirqs_on+0xbd/0x310
[  243.458552]  ? kasan_check_read+0x11/0x20
[  243.462682]  ? ___ratelimit+0x3b4/0x672
[  243.466640]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.471733]  ? trace_hardirqs_on+0x310/0x310
[  243.476129]  ? lock_downgrade+0x900/0x900
[  243.480267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.485365]  ? ___ratelimit+0x3b9/0x672
[  243.489328]  ? idr_get_free+0xf70/0xf70
[  243.493291]  ? find_held_lock+0x36/0x1c0
[  243.497348]  oom_kill_process.cold.27+0x10/0x903
[  243.502100]  ? zap_class+0x640/0x640
[  243.505796]  ? check_preemption_disabled+0x48/0x280
[  243.510803]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.515720]  ? kasan_check_read+0x11/0x20
[  243.519851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.525114]  ? oom_evaluate_task+0x540/0x540
[  243.529547]  ? find_held_lock+0x36/0x1c0
[  243.533596]  ? out_of_memory+0x974/0x1430
[  243.537732]  ? lock_downgrade+0x900/0x900
[  243.541875]  ? check_preemption_disabled+0x48/0x280
[  243.546893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.551815]  ? kasan_check_read+0x11/0x20
[  243.555960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.561226]  ? rcu_softirq_qs+0x20/0x20
[  243.565196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.570724]  ? oom_evaluate_task+0x302/0x540
[  243.575120]  out_of_memory+0xa84/0x1430
[  243.579092]  ? oom_killer_disable+0x3a0/0x3a0
[  243.583579]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  243.588497]  ? __ww_mutex_check_waiters+0x160/0x160
[  243.593509]  __alloc_pages_slowpath+0x232c/0x2de0
[  243.598368]  ? warn_alloc+0x120/0x120
[  243.602154]  ? mark_held_locks+0x130/0x130
[  243.606381]  ? find_get_entry+0xaae/0x1120
[  243.610607]  ? filemap_map_pages+0x1a20/0x1a20
[  243.615179]  ? zap_class+0x640/0x640
[  243.618887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.624414]  ? check_preemption_disabled+0x48/0x280
[  243.629417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.634939]  ? should_fail+0x22d/0xd01
[  243.638817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.643910]  ? zap_class+0x640/0x640
[  243.647633]  ? __lock_is_held+0xb5/0x140
[  243.651692]  ? mark_held_locks+0x130/0x130
[  243.655920]  ? lock_release+0xa00/0xa00
[  243.659882]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.665326]  ? xa_load+0x2ba/0x460
[  243.668868]  ? lock_downgrade+0x900/0x900
[  243.673012]  ? __might_sleep+0x95/0x190
[  243.676986]  __alloc_pages_nodemask+0xad8/0xea0
[  243.681648]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  243.686654]  ? __page_cache_alloc+0x191/0x5c0
[  243.691133]  ? xa_load+0x2e1/0x460
[  243.694660]  ? xa_clear_mark+0x40/0x40
[  243.698536]  ? zap_class+0x640/0x640
[  243.702242]  ? zap_class+0x640/0x640
[  243.705946]  ? zap_class+0x640/0x640
[  243.709647]  ? __do_page_cache_readahead+0x663/0x810
[  243.714746]  ? find_held_lock+0x36/0x1c0
[  243.718794]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.724324]  alloc_pages_current+0x173/0x350
[  243.728730]  __page_cache_alloc+0x38c/0x5c0
[  243.733035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.737953]  ? kasan_check_read+0x11/0x20
[  243.742087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.747353]  ? generic_perform_write+0x6a0/0x6a0
[  243.752092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.757614]  ? check_preemption_disabled+0x48/0x280
[  243.762625]  filemap_fault+0x1595/0x25f0
[  243.766684]  ? __lock_page_or_retry+0xa00/0xa00
[  243.771352]  ? mark_held_locks+0x130/0x130
[  243.775595]  ? filemap_map_pages+0xd6b/0x1a20
[  243.780077]  ? lock_downgrade+0x900/0x900
[  243.784212]  ? check_preemption_disabled+0x48/0x280
[  243.789233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.794150]  ? kasan_check_read+0x11/0x20
[  243.798290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.803554]  ? rcu_softirq_qs+0x20/0x20
[  243.807553]  ? filemap_map_pages+0xd92/0x1a20
[  243.812041]  ? find_get_entries_tag+0x1400/0x1400
[  243.816871]  ? __kernel_text_address+0xd/0x40
[  243.821355]  ? unwind_get_return_address+0x61/0xa0
[  243.826280]  ? lock_acquire+0x1ed/0x520
[  243.830252]  ? ext4_filemap_fault+0x7a/0xad
[  243.834585]  ? lock_release+0xa00/0xa00
[  243.838545]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.843985]  ? print_usage_bug+0xc0/0xc0
[  243.848034]  ? print_usage_bug+0xc0/0xc0
[  243.852084]  ? __x64_sys_read+0x73/0xb0
[  243.856057]  ? print_usage_bug+0xc0/0xc0
[  243.860113]  ? down_read+0x8d/0x120
[  243.863723]  ? ext4_filemap_fault+0x7a/0xad
[  243.868031]  ? __down_interruptible+0x700/0x700
[  243.872714]  ext4_filemap_fault+0x82/0xad
[  243.876859]  __do_fault+0x100/0x6b0
[  243.880478]  ? trace_hardirqs_on+0xbd/0x310
[  243.884796]  ? pmd_devmap_trans_unstable+0x220/0x220
[  243.889892]  ? mark_held_locks+0x130/0x130
[  243.894114]  ? mark_held_locks+0x130/0x130
[  243.898351]  ? do_syslog+0x147b/0x1690
[  243.902233]  ? do_syslog+0x309/0x1690
[  243.906045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.911570]  __handle_mm_fault+0x3ea0/0x5be0
[  243.915968]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  243.920803]  ? find_held_lock+0x36/0x1c0
[  243.924869]  ? zap_class+0x640/0x640
[  243.928573]  ? zap_class+0x640/0x640
[  243.932283]  ? find_held_lock+0x36/0x1c0
[  243.936347]  ? handle_mm_fault+0x42a/0xc70
[  243.940575]  ? lock_downgrade+0x900/0x900
[  243.944721]  ? check_preemption_disabled+0x48/0x280
[  243.949743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.954658]  ? kasan_check_read+0x11/0x20
[  243.958791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.964066]  ? rcu_softirq_qs+0x20/0x20
[  243.968025]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.973116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.978640]  ? check_preemption_disabled+0x48/0x280
[  243.983651]  handle_mm_fault+0x54f/0xc70
[  243.987700]  ? __handle_mm_fault+0x5be0/0x5be0
[  243.992270]  ? find_vma+0x34/0x190
[  243.995797]  __do_page_fault+0x5e8/0xe60
[  243.999847]  ? trace_hardirqs_off+0xb8/0x310
[  244.004248]  ? kernel_write+0x120/0x120
[  244.008221]  do_page_fault+0xf2/0x7e0
[  244.012013]  ? vmalloc_sync_all+0x30/0x30
[  244.016148]  ? error_entry+0x70/0xd0
[  244.019851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.024852]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.029769]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.034686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.039516]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.044518]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.049970]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.054972]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.059971]  ? page_fault+0x8/0x30
[  244.063504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.068338]  ? page_fault+0x8/0x30
[  244.071863]  page_fault+0x1e/0x30
[  244.075302] RIP: 0033:0x7f71188e71fd
[  244.079022] Code: Bad RIP value.
[  244.082399] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  244.087761] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  244.095014] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  244.102271] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  244.109522] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  244.116773] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  244.124049] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  244.124053] warn_alloc_show_mem: 1 callbacks suppressed
[  244.124058] Mem-Info:
[  244.131323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.136677] active_anon:46321 inactive_anon:276 isolated_anon:0
[  244.136677]  active_file:12 inactive_file:12 isolated_file:0
[  244.136677]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.136677]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  244.136677]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  244.136677]  free:13741 free_pcp:243 free_cma:0
[  244.139040] Call Trace:
[  244.148404] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.181235]  <IRQ>
[  244.183791] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  244.211454]  dump_stack+0x244/0x39d
[  244.213564] lowmem_reserve[]: 0 2818 6321 6321
[  244.239760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.243349] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  244.247921]  warn_alloc.cold.116+0xb7/0x1bd
[  244.253164] lowmem_reserve[]: 0 0 3503 3503
[  244.280732]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.285052] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  244.289367]  ? lock_downgrade+0x900/0x900
[  244.294171] lowmem_reserve[]: 0 0 0 0
[  244.323138]  ? trace_hardirqs_off+0xb8/0x310
[  244.327245] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  244.331033]  ? trace_hardirqs_off+0xb8/0x310
[  244.335420] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  244.348929]  __alloc_pages_slowpath+0x2651/0x2de0
[  244.353306] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  244.368475]  ? warn_alloc+0x120/0x120
[  244.373360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.388244]  ? print_usage_bug+0xc0/0xc0
[  244.392012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.400824]  ? warn_alloc+0x120/0x120
[  244.404850] 358 total pagecache pages
[  244.413400]  ? warn_alloc+0x120/0x120
[  244.417170] 0 pages in swap cache
[  244.420943]  ? print_usage_bug+0xc0/0xc0
[  244.424709] Swap cache stats: add 0, delete 0, find 0/0
[  244.424715] Free swap  = 0kB
[  244.428149]  ? kvm_clock_read+0x18/0x30
[  244.432176] Total swap = 0kB
[  244.437516]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  244.440500] 1965979 pages RAM
[  244.444457]  ? print_usage_bug+0xc0/0xc0
[  244.447445] 0 pages HighMem/MovableOnly
[  244.452440]  ? __lock_acquire+0x62f/0x4c20
[  244.455508] 342854 pages reserved
[  244.455514] 0 pages cma reserved
[  244.459553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.463716] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.467712]  ? should_fail+0x22d/0xd01
[  244.471132] rsyslogd cpuset=/ mems_allowed=0
[  244.474471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.474486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.508585]  ? __lock_acquire+0x62f/0x4c20
[  244.512811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.517901]  ? __lock_acquire+0x62f/0x4c20
[  244.522119]  ? should_fail+0x22d/0xd01
[  244.525990]  ? rcu_irq_exit+0x1a2/0x390
[  244.529958]  ? mark_held_locks+0x130/0x130
[  244.534683]  ? mark_held_locks+0x130/0x130
[  244.538915]  ? mark_held_locks+0xc7/0x130
[  244.543048]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  244.548061]  ? zap_class+0x640/0x640
[  244.551766]  ? print_usage_bug+0xc0/0xc0
[  244.555818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.561345]  ? check_preemption_disabled+0x48/0x280
[  244.566355]  ? __lock_is_held+0xb5/0x140
[  244.570409]  __alloc_pages_nodemask+0xad8/0xea0
[  244.575067]  ? zap_class+0x640/0x640
[  244.578773]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  244.583785]  ? find_held_lock+0x36/0x1c0
[  244.587857]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.592515]  ? lock_downgrade+0x900/0x900
[  244.596656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.602183]  cache_grow_begin+0xa5/0x8c0
[  244.606242]  ? do_raw_spin_unlock+0xa7/0x330
[  244.610651]  fallback_alloc+0x204/0x2e0
[  244.614631]  ____cache_alloc_node+0x1c7/0x1e0
[  244.619119]  kmem_cache_alloc_node+0xe3/0x730
[  244.623601]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.627830]  __alloc_skb+0x119/0x770
[  244.631527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.636799]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.641197]  ? lock_downgrade+0x900/0x900
[  244.645339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.650865]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.656329]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.661770]  ? addrconf_rs_timer+0x690/0x690
[  244.666172]  ndisc_alloc_skb+0x144/0x340
[  244.670233]  ndisc_send_rs+0x331/0x6e0
[  244.674114]  addrconf_rs_timer+0x314/0x690
[  244.678343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.682580]  call_timer_fn+0x272/0x920
[  244.686457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.690676]  ? process_timeout+0x40/0x40
[  244.694727]  ? __run_timers+0x7da/0xc70
[  244.698688]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.703300]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.707780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.712001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.716573]  ? trace_hardirqs_on+0xbd/0x310
[  244.720891]  ? kasan_check_read+0x11/0x20
[  244.725024]  ? __run_timers+0x7da/0xc70
[  244.728982]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.734075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.738302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.742523]  __run_timers+0x7e5/0xc70
[  244.746321]  ? timer_fixup_init+0x70/0x70
[  244.750469]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  244.755471]  ? zap_class+0x640/0x640
[  244.759175]  ? enqueue_hrtimer+0x1a5/0x560
[  244.763423]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  244.768624]  ? find_held_lock+0x36/0x1c0
[  244.772682]  ? zap_class+0x640/0x640
[  244.776395]  ? pvclock_read_flags+0x160/0x160
[  244.780885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.786412]  ? check_preemption_disabled+0x48/0x280
[  244.791420]  ? __lock_is_held+0xb5/0x140
[  244.795466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.800988]  ? check_preemption_disabled+0x48/0x280
[  244.805993]  run_timer_softirq+0x52/0xb0
[  244.810041]  ? rcu_read_lock_sched_held+0x14f/0x180
[  244.815044]  __do_softirq+0x308/0xb7e
[  244.818836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  244.823317]  ? lock_downgrade+0x900/0x900
[  244.827450]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  244.832541]  ? pvclock_read_flags+0x160/0x160
[  244.837028]  ? lapic_next_event+0x5a/0x90
[  244.841161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.846689]  ? kvm_clock_read+0x18/0x30
[  244.850652]  ? kvm_sched_clock_read+0x9/0x20
[  244.855047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.860574]  ? check_preemption_disabled+0x48/0x280
[  244.865590]  irq_exit+0x17f/0x1c0
[  244.869030]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.873871]  ? smp_reschedule_interrupt+0x109/0x650
[  244.878876]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.884744]  ? interrupt_entry+0xb5/0xc0
[  244.888793]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.893797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.898803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.903633]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.908639]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.913649]  ? task_prio+0x50/0x50
[  244.917177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.922702]  ? check_preemption_disabled+0x48/0x280
[  244.927711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.932549]  apic_timer_interrupt+0xf/0x20
[  244.936766]  </IRQ>
[  244.938996] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.943916] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  244.962804] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  244.970498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.977762] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  244.985022] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  244.992277] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.999530] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  245.006809]  skb_clone+0x1bb/0x500
[  245.010336]  ? finish_task_switch+0x615/0x910
[  245.014814]  ? skb_split+0x11e0/0x11e0
[  245.018688]  ? preempt_notifier_register+0x200/0x200
[  245.023777]  ? __switch_to_asm+0x34/0x70
[  245.027823]  ? __switch_to_asm+0x34/0x70
[  245.031867]  ? __switch_to_asm+0x40/0x70
[  245.035910]  ? __switch_to_asm+0x34/0x70
[  245.039955]  ? __switch_to_asm+0x40/0x70
[  245.044000]  ? __switch_to_asm+0x34/0x70
[  245.048045]  ? __switch_to_asm+0x40/0x70
[  245.052092]  ? __switch_to_asm+0x34/0x70
[  245.056137]  ? __switch_to_asm+0x34/0x70
[  245.060181]  ? __switch_to_asm+0x40/0x70
[  245.064235]  ? __switch_to_asm+0x34/0x70
[  245.068287]  bpf_clone_redirect+0xb9/0x490
[  245.072509]  ? __schedule+0x8d7/0x21d0
[  245.076387]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  245.081392]  ? __sched_text_start+0x8/0x8
[  245.085530]  ? retint_kernel+0x2d/0x2d
[  245.089432]  ? find_held_lock+0x36/0x1c0
[  245.093503]  ? lock_acquire+0x1ed/0x520
[  245.097467]  ? bpf_test_run+0x3ee/0x7a0
[  245.101429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.106951]  ? check_preemption_disabled+0x48/0x280
[  245.111968]  ? kasan_check_read+0x11/0x20
[  245.116104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.121366]  ? rcu_softirq_qs+0x20/0x20
[  245.125333]  ? preempt_schedule+0x4d/0x60
[  245.129470]  ? ___preempt_schedule+0x16/0x18
[  245.133868]  ? bpf_test_run+0x271/0x7a0
[  245.137833]  ? eth_type_trans+0x2ea/0x760
[  245.141965]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.146365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.151889]  ? bpf_test_init.isra.10+0x70/0x100
[  245.156558]  ? bpf_prog_test_run_skb+0x762/0xd60
[  245.161300]  ? apparmor_cred_transfer+0x590/0x590
[  245.166132]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  245.170967]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.176492]  ? fput+0x130/0x1a0
[  245.179762]  ? __bpf_prog_get+0x9b/0x290
[  245.183828]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  245.188747]  ? bpf_prog_test_run+0x130/0x1a0
[  245.193146]  ? __x64_sys_bpf+0x3d8/0x520
[  245.197217]  ? bpf_prog_get+0x20/0x20
[  245.201026]  ? do_syscall_64+0x1b9/0x820
[  245.205071]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.210417]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.215337]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.220345]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.225348]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  245.232000]  ? __switch_to_asm+0x40/0x70
[  245.236044]  ? __switch_to_asm+0x34/0x70
[  245.240116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.244949]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.250310] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  245.250367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.257137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.257143] Call Trace:
[  245.263681] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.272943]  <IRQ>
[  245.275502] syz-executor4 cpuset=syz4 mems_allowed=0
[  245.285965]  dump_stack+0x244/0x39d
[  245.296768]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.301951]  warn_alloc.cold.116+0xb7/0x1bd
[  245.306346]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.311177]  ? lock_downgrade+0x900/0x900
[  245.315325]  ? trace_hardirqs_off+0xb8/0x310
[  245.319744]  ? trace_hardirqs_off+0xb8/0x310
[  245.324161]  __alloc_pages_slowpath+0x2651/0x2de0
[  245.329009]  ? warn_alloc+0x120/0x120
[  245.332801]  ? warn_alloc+0x120/0x120
[  245.336596]  ? warn_alloc+0x120/0x120
[  245.340386]  ? print_usage_bug+0xc0/0xc0
[  245.344436]  ? print_usage_bug+0xc0/0xc0
[  245.348484]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.353667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.359303]  ? should_fail+0x22d/0xd01
[  245.363177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.368271]  ? __lock_acquire+0x62f/0x4c20
[  245.372767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.377859]  ? __lock_acquire+0x62f/0x4c20
[  245.382090]  ? should_fail+0x22d/0xd01
[  245.385970]  ? mark_held_locks+0x130/0x130
[  245.390191]  ? mark_held_locks+0x130/0x130
[  245.394414]  ? zap_class+0x640/0x640
[  245.398120]  ? zap_class+0x640/0x640
[  245.401825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.407362]  ? check_preemption_disabled+0x48/0x280
[  245.412367]  ? __lock_is_held+0xb5/0x140
[  245.416416]  __alloc_pages_nodemask+0xad8/0xea0
[  245.421068]  ? zap_class+0x640/0x640
[  245.424773]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  245.429799]  ? find_held_lock+0x36/0x1c0
[  245.433872]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.438529]  ? lock_downgrade+0x900/0x900
[  245.442756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.448286]  cache_grow_begin+0xa5/0x8c0
[  245.452347]  ? do_raw_spin_unlock+0xa7/0x330
[  245.456771]  fallback_alloc+0x204/0x2e0
[  245.460741]  ____cache_alloc_node+0x1c7/0x1e0
[  245.465224]  __kmalloc+0x213/0x760
[  245.468755]  ? __neigh_create+0x30b/0x2130
[  245.472974]  __neigh_create+0x30b/0x2130
[  245.477022]  ? __local_bh_enable_ip+0x160/0x260
[  245.481682]  ? __local_bh_enable_ip+0x160/0x260
[  245.486380]  ? mark_held_locks+0x130/0x130
[  245.490610]  ? __local_bh_enable_ip+0x160/0x260
[  245.495274]  ? neigh_hash_alloc+0x1e0/0x1e0
[  245.499583]  ? trace_hardirqs_on+0xbd/0x310
[  245.503889]  ? mark_held_locks+0xc7/0x130
[  245.508026]  ? ip6t_do_table+0xd9e/0x1d30
[  245.512158]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.517250]  ? __local_bh_enable_ip+0x160/0x260
[  245.521909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.527435]  ? ip6t_do_table+0xd6a/0x1d30
[  245.531572]  ? lock_acquire+0x1ed/0x520
[  245.535533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.541054]  ? check_preemption_disabled+0x48/0x280
[  245.546062]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  245.551584]  ? rcu_pm_notify+0xc0/0xc0
[  245.555459]  ? zap_class+0x640/0x640
[  245.559161]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  245.564356]  ip6_finish_output2+0xa59/0x27a0
[  245.568756]  ? ip6_copy_metadata+0xe30/0xe30
[  245.573170]  ? ip6_mtu+0x39c/0x520
[  245.576714]  ? lock_downgrade+0x900/0x900
[  245.580864]  ? check_preemption_disabled+0x48/0x280
[  245.585884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.590798]  ? kasan_check_read+0x11/0x20
[  245.594931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.600202]  ? rcu_softirq_qs+0x20/0x20
[  245.604186]  ? ip6_mtu+0x160/0x520
[  245.607721]  ? find_match+0x10a0/0x10a0
[  245.611688]  ? kasan_check_read+0x11/0x20
[  245.615824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.621100]  ip6_finish_output+0x58c/0xc60
[  245.625325]  ? ip6_finish_output+0x58c/0xc60
[  245.629754]  ip6_output+0x232/0x9d0
[  245.633372]  ? ip6_finish_output+0xc60/0xc60
[  245.637772]  ? ip6_fragment+0x38e0/0x38e0
[  245.641925]  ? __lock_is_held+0xb5/0x140
[  245.645986]  ndisc_send_skb+0x1005/0x1570
[  245.650134]  ? nf_hook.constprop.33+0x860/0x860
[  245.654797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.660324]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.666082]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.671542]  ndisc_send_rs+0x134/0x6e0
[  245.675420]  addrconf_rs_timer+0x314/0x690
[  245.679675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.683915]  call_timer_fn+0x272/0x920
[  245.687792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.692011]  ? process_timeout+0x40/0x40
[  245.696064]  ? mark_held_locks+0xc7/0x130
[  245.700203]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.704687]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.709176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.713393]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.717961]  ? trace_hardirqs_on+0xbd/0x310
[  245.722266]  ? kasan_check_read+0x11/0x20
[  245.726398]  ? __run_timers+0x7da/0xc70
[  245.730368]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.735459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.739689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.743923]  __run_timers+0x7e5/0xc70
[  245.747721]  ? timer_fixup_init+0x70/0x70
[  245.751862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.756873]  ? zap_class+0x640/0x640
[  245.760582]  ? print_usage_bug+0xc0/0xc0
[  245.764637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.769825]  ? find_held_lock+0x36/0x1c0
[  245.773884]  ? zap_class+0x640/0x640
[  245.777591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.783133]  ? check_preemption_disabled+0x48/0x280
[  245.788153]  ? __lock_is_held+0xb5/0x140
[  245.792214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.797741]  ? check_preemption_disabled+0x48/0x280
[  245.802758]  run_timer_softirq+0x52/0xb0
[  245.806804]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.811804]  __do_softirq+0x308/0xb7e
[  245.815594]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.820170]  ? lock_downgrade+0x900/0x900
[  245.824309]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.829402]  ? pvclock_read_flags+0x160/0x160
[  245.833885]  ? lapic_next_event+0x5a/0x90
[  245.838045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.843660]  ? kvm_clock_read+0x18/0x30
[  245.847622]  ? kvm_sched_clock_read+0x9/0x20
[  245.852022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.857545]  ? check_preemption_disabled+0x48/0x280
[  245.862552]  irq_exit+0x17f/0x1c0
[  245.866015]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.870850]  ? smp_reschedule_interrupt+0x109/0x650
[  245.875858]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.881743]  ? interrupt_entry+0xb5/0xc0
[  245.885793]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.890797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.895805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.900645]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.905648]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.910668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.915522]  apic_timer_interrupt+0xf/0x20
[  245.919740]  </IRQ>
[  245.921965] RIP: 0010:dump_stack+0x358/0x39d
[  245.926361] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  245.945258] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  245.952952] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  245.960207] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  245.967460] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  245.974712] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  245.981985] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  245.989261]  ? dump_stack+0x34f/0x39d
[  245.993074]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.998254]  ? mark_held_locks+0x130/0x130
[  246.002476]  ? mark_held_locks+0x130/0x130
[  246.006711]  dump_header+0x27b/0xf72
[  246.010420]  ? pagefault_out_of_memory+0x197/0x197
[  246.015344]  ? __lock_acquire+0x62f/0x4c20
[  246.019569]  ? percpu_ref_get_many+0x240/0x240
[  246.024154]  ? print_usage_bug+0xc0/0xc0
[  246.028225]  ? zap_class+0x640/0x640
[  246.031932]  ? print_usage_bug+0xc0/0xc0
[  246.035981]  ? print_usage_bug+0xc0/0xc0
[  246.040029]  ? zap_class+0x640/0x640
[  246.043737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.049267]  ? find_held_lock+0x36/0x1c0
[  246.053323]  ? mark_held_locks+0xc7/0x130
[  246.057458]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.062544]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  246.067631]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.072217]  ? trace_hardirqs_on+0xbd/0x310
[  246.076526]  ? kasan_check_read+0x11/0x20
[  246.080661]  ? ___ratelimit+0x3b4/0x672
[  246.084626]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.089730]  ? trace_hardirqs_on+0x310/0x310
[  246.094131]  ? lock_downgrade+0x900/0x900
[  246.098283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.103373]  ? ___ratelimit+0x3b9/0x672
[  246.107366]  ? idr_get_free+0xf70/0xf70
[  246.111326]  ? find_held_lock+0x36/0x1c0
[  246.115377]  oom_kill_process.cold.27+0x10/0x903
[  246.120116]  ? zap_class+0x640/0x640
[  246.123821]  ? check_preemption_disabled+0x48/0x280
[  246.128827]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.133745]  ? kasan_check_read+0x11/0x20
[  246.137878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.143148]  ? oom_evaluate_task+0x540/0x540
[  246.147549]  ? find_held_lock+0x36/0x1c0
[  246.151605]  ? out_of_memory+0x974/0x1430
[  246.155743]  ? lock_downgrade+0x900/0x900
[  246.159880]  ? check_preemption_disabled+0x48/0x280
[  246.164886]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.169819]  ? kasan_check_read+0x11/0x20
[  246.173950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.179216]  ? rcu_softirq_qs+0x20/0x20
[  246.183178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.188703]  ? oom_evaluate_task+0x302/0x540
[  246.193102]  out_of_memory+0xa84/0x1430
[  246.197072]  ? oom_killer_disable+0x3a0/0x3a0
[  246.201557]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  246.206479]  ? __ww_mutex_check_waiters+0x160/0x160
[  246.211489]  __alloc_pages_slowpath+0x232c/0x2de0
[  246.216337]  ? warn_alloc+0x120/0x120
[  246.220133]  ? mark_held_locks+0x130/0x130
[  246.224360]  ? find_get_entry+0xaae/0x1120
[  246.228595]  ? filemap_map_pages+0x1a20/0x1a20
[  246.233171]  ? zap_class+0x640/0x640
[  246.236876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.242398]  ? check_preemption_disabled+0x48/0x280
[  246.247489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.253022]  ? should_fail+0x22d/0xd01
[  246.256906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.262002]  ? zap_class+0x640/0x640
[  246.265729]  ? __lock_is_held+0xb5/0x140
[  246.269785]  ? mark_held_locks+0x130/0x130
[  246.274013]  ? lock_release+0xa00/0xa00
[  246.277975]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.283415]  ? xa_load+0x2ba/0x460
[  246.286961]  ? lock_downgrade+0x900/0x900
[  246.291098]  ? __might_sleep+0x95/0x190
[  246.295066]  __alloc_pages_nodemask+0xad8/0xea0
[  246.299729]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  246.304997]  ? __page_cache_alloc+0x191/0x5c0
[  246.309486]  ? xa_load+0x2e1/0x460
[  246.313015]  ? xa_clear_mark+0x40/0x40
[  246.316907]  ? zap_class+0x640/0x640
[  246.320614]  ? zap_class+0x640/0x640
[  246.324317]  ? zap_class+0x640/0x640
[  246.328024]  ? __do_page_cache_readahead+0x663/0x810
[  246.333122]  ? find_held_lock+0x36/0x1c0
[  246.337173]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.342700]  alloc_pages_current+0x173/0x350
[  246.347105]  __page_cache_alloc+0x38c/0x5c0
[  246.351438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.356353]  ? kasan_check_read+0x11/0x20
[  246.360491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.365755]  ? generic_perform_write+0x6a0/0x6a0
[  246.370500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.376028]  ? check_preemption_disabled+0x48/0x280
[  246.381036]  filemap_fault+0x1595/0x25f0
[  246.385090]  ? __lock_page_or_retry+0xa00/0xa00
[  246.389752]  ? mark_held_locks+0x130/0x130
[  246.393981]  ? filemap_map_pages+0xd6b/0x1a20
[  246.398464]  ? lock_downgrade+0x900/0x900
[  246.402602]  ? check_preemption_disabled+0x48/0x280
[  246.407607]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.412524]  ? kasan_check_read+0x11/0x20
[  246.416660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.421920]  ? rcu_softirq_qs+0x20/0x20
[  246.425887]  ? filemap_map_pages+0xd92/0x1a20
[  246.430389]  ? find_get_entries_tag+0x1400/0x1400
[  246.435219]  ? __kernel_text_address+0xd/0x40
[  246.439698]  ? unwind_get_return_address+0x61/0xa0
[  246.444632]  ? lock_acquire+0x1ed/0x520
[  246.448591]  ? ext4_filemap_fault+0x7a/0xad
[  246.452910]  ? lock_release+0xa00/0xa00
[  246.456889]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.462331]  ? print_usage_bug+0xc0/0xc0
[  246.466378]  ? print_usage_bug+0xc0/0xc0
[  246.470423]  ? __x64_sys_read+0x73/0xb0
[  246.474383]  ? print_usage_bug+0xc0/0xc0
[  246.478441]  ? down_read+0x8d/0x120
[  246.482051]  ? ext4_filemap_fault+0x7a/0xad
[  246.486371]  ? __down_interruptible+0x700/0x700
[  246.491048]  ext4_filemap_fault+0x82/0xad
[  246.495185]  __do_fault+0x100/0x6b0
[  246.498808]  ? trace_hardirqs_on+0xbd/0x310
[  246.503124]  ? pmd_devmap_trans_unstable+0x220/0x220
[  246.508236]  ? mark_held_locks+0x130/0x130
[  246.512460]  ? mark_held_locks+0x130/0x130
[  246.516678]  ? do_syslog+0x147b/0x1690
[  246.520554]  ? do_syslog+0x309/0x1690
[  246.524342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.529869]  __handle_mm_fault+0x3ea0/0x5be0
[  246.534440]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  246.539273]  ? find_held_lock+0x36/0x1c0
[  246.543335]  ? zap_class+0x640/0x640
[  246.547032]  ? zap_class+0x640/0x640
[  246.550741]  ? find_held_lock+0x36/0x1c0
[  246.554797]  ? handle_mm_fault+0x42a/0xc70
[  246.559021]  ? lock_downgrade+0x900/0x900
[  246.563175]  ? check_preemption_disabled+0x48/0x280
[  246.568183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.573106]  ? kasan_check_read+0x11/0x20
[  246.577244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.582515]  ? rcu_softirq_qs+0x20/0x20
[  246.586488]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.591578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.597110]  ? check_preemption_disabled+0x48/0x280
[  246.602121]  handle_mm_fault+0x54f/0xc70
[  246.606173]  ? __handle_mm_fault+0x5be0/0x5be0
[  246.610744]  ? find_vma+0x34/0x190
[  246.614272]  __do_page_fault+0x5e8/0xe60
[  246.618323]  ? trace_hardirqs_off+0xb8/0x310
[  246.622718]  ? kernel_write+0x120/0x120
[  246.626684]  do_page_fault+0xf2/0x7e0
[  246.630476]  ? vmalloc_sync_all+0x30/0x30
[  246.634618]  ? error_entry+0x70/0xd0
[  246.638335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.643344]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.648270]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.653193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.658024]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.663022]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.668493]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  246.673501]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.678508]  ? page_fault+0x8/0x30
[  246.682035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.686880]  ? page_fault+0x8/0x30
[  246.690425]  page_fault+0x1e/0x30
[  246.693862] RIP: 0033:0x7f71188e71fd
[  246.697575] Code: Bad RIP value.
[  246.701458] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  246.706806] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  246.714060] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  246.721343] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  246.728616] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  246.735874] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  246.743151] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  246.743155] warn_alloc_show_mem: 1 callbacks suppressed
[  246.743160] Mem-Info:
[  246.750413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.755766] active_anon:46321 inactive_anon:276 isolated_anon:0
[  246.755766]  active_file:12 inactive_file:12 isolated_file:0
[  246.755766]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.755766]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  246.755766]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  246.755766]  free:13741 free_pcp:243 free_cma:0
[  246.758130] Call Trace:
[  246.767495] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.800335]  <IRQ>
[  246.802895] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.830545]  dump_stack+0x244/0x39d
[  246.832656] lowmem_reserve[]: 0 2818 6321 6321
[  246.858750]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.862344] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  246.866918]  warn_alloc.cold.116+0xb7/0x1bd
[  246.872073] lowmem_reserve[]: 0 0 3503 3503
[  246.899728]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.904015] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  246.908321]  ? lock_downgrade+0x900/0x900
[  246.913124] lowmem_reserve[]: 0 0 0 0
[  246.942103]  ? trace_hardirqs_off+0xb8/0x310
[  246.946212] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  246.949997]  ? trace_hardirqs_off+0xb8/0x310
[  246.954368] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  246.967884]  __alloc_pages_slowpath+0x2651/0x2de0
[  246.972248] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  246.987431]  ? warn_alloc+0x120/0x120
[  246.992232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.007119]  ? print_usage_bug+0xc0/0xc0
[  247.010890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.019711]  ? warn_alloc+0x120/0x120
[  247.023747] 358 total pagecache pages
[  247.032307]  ? warn_alloc+0x120/0x120
[  247.036081] 0 pages in swap cache
[  247.039856]  ? print_usage_bug+0xc0/0xc0
[  247.043628] Swap cache stats: add 0, delete 0, find 0/0
[  247.047083]  ? kvm_clock_read+0x18/0x30
[  247.051118] Free swap  = 0kB
[  247.056459]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  247.060394] Total swap = 0kB
[  247.060400] 1965979 pages RAM
[  247.063396]  ? print_usage_bug+0xc0/0xc0
[  247.068459] 0 pages HighMem/MovableOnly
[  247.068465] 342854 pages reserved
[  247.071461]  ? __lock_acquire+0x62f/0x4c20
[  247.074526] 0 pages cma reserved
[  247.074802] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.078577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.082515] rsyslogd cpuset=/ mems_allowed=0
[  247.085952]  ? should_fail+0x22d/0xd01
[  247.117313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.122579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.127670]  ? __lock_acquire+0x62f/0x4c20
[  247.131898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.136984]  ? __lock_acquire+0x62f/0x4c20
[  247.141205]  ? should_fail+0x22d/0xd01
[  247.145081]  ? rcu_irq_exit+0x1a2/0x390
[  247.149067]  ? mark_held_locks+0x130/0x130
[  247.153314]  ? mark_held_locks+0x130/0x130
[  247.157544]  ? mark_held_locks+0xc7/0x130
[  247.161684]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  247.166689]  ? zap_class+0x640/0x640
[  247.170387]  ? print_usage_bug+0xc0/0xc0
[  247.174442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.179969]  ? check_preemption_disabled+0x48/0x280
[  247.184986]  ? __lock_is_held+0xb5/0x140
[  247.189057]  __alloc_pages_nodemask+0xad8/0xea0
[  247.193712]  ? zap_class+0x640/0x640
[  247.197421]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  247.202429]  ? find_held_lock+0x36/0x1c0
[  247.206483]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.211143]  ? lock_downgrade+0x900/0x900
[  247.215288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.220812]  cache_grow_begin+0xa5/0x8c0
[  247.224860]  ? do_raw_spin_unlock+0xa7/0x330
[  247.229279]  fallback_alloc+0x204/0x2e0
[  247.233257]  ____cache_alloc_node+0x1c7/0x1e0
[  247.237745]  kmem_cache_alloc_node+0xe3/0x730
[  247.242319]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.246573]  __alloc_skb+0x119/0x770
[  247.250271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.255538]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.259949]  ? lock_downgrade+0x900/0x900
[  247.264093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.269624]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.275074]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.280509]  ? addrconf_rs_timer+0x690/0x690
[  247.284918]  ndisc_alloc_skb+0x144/0x340
[  247.288984]  ndisc_send_rs+0x331/0x6e0
[  247.292892]  addrconf_rs_timer+0x314/0x690
[  247.297140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.301370]  call_timer_fn+0x272/0x920
[  247.305264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.309493]  ? process_timeout+0x40/0x40
[  247.313549]  ? __run_timers+0x7da/0xc70
[  247.317514]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.321994]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.326474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.330713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.335282]  ? trace_hardirqs_on+0xbd/0x310
[  247.339592]  ? kasan_check_read+0x11/0x20
[  247.343728]  ? __run_timers+0x7da/0xc70
[  247.347696]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.352789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.357015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.361243]  __run_timers+0x7e5/0xc70
[  247.365052]  ? timer_fixup_init+0x70/0x70
[  247.369208]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.374211]  ? zap_class+0x640/0x640
[  247.377917]  ? enqueue_hrtimer+0x1a5/0x560
[  247.382139]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.387318]  ? find_held_lock+0x36/0x1c0
[  247.391383]  ? zap_class+0x640/0x640
[  247.395101]  ? pvclock_read_flags+0x160/0x160
[  247.399584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.405110]  ? check_preemption_disabled+0x48/0x280
[  247.410117]  ? __lock_is_held+0xb5/0x140
[  247.414166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.419694]  ? check_preemption_disabled+0x48/0x280
[  247.424703]  run_timer_softirq+0x52/0xb0
[  247.428749]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.433755]  __do_softirq+0x308/0xb7e
[  247.437545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.442038]  ? lock_downgrade+0x900/0x900
[  247.446179]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.451273]  ? pvclock_read_flags+0x160/0x160
[  247.455759]  ? lapic_next_event+0x5a/0x90
[  247.459901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.465441]  ? kvm_clock_read+0x18/0x30
[  247.469403]  ? kvm_sched_clock_read+0x9/0x20
[  247.473804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.479331]  ? check_preemption_disabled+0x48/0x280
[  247.484341]  irq_exit+0x17f/0x1c0
[  247.487782]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.492629]  ? smp_reschedule_interrupt+0x109/0x650
[  247.497655]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.503526]  ? interrupt_entry+0xb5/0xc0
[  247.507590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.512595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.517604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.522447]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.527449]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.532452]  ? task_prio+0x50/0x50
[  247.535979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.541501]  ? check_preemption_disabled+0x48/0x280
[  247.546513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.551359]  apic_timer_interrupt+0xf/0x20
[  247.555577]  </IRQ>
[  247.557807] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.562729] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  247.581634] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  247.589329] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.596583] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  247.603838] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  247.611100] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.618358] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  247.625645]  skb_clone+0x1bb/0x500
[  247.629173]  ? finish_task_switch+0x615/0x910
[  247.633659]  ? skb_split+0x11e0/0x11e0
[  247.637538]  ? preempt_notifier_register+0x200/0x200
[  247.642628]  ? __switch_to_asm+0x34/0x70
[  247.646676]  ? __switch_to_asm+0x34/0x70
[  247.650722]  ? __switch_to_asm+0x40/0x70
[  247.654771]  ? __switch_to_asm+0x34/0x70
[  247.658839]  ? __switch_to_asm+0x40/0x70
[  247.662899]  ? __switch_to_asm+0x34/0x70
[  247.666948]  ? __switch_to_asm+0x40/0x70
[  247.671006]  ? __switch_to_asm+0x34/0x70
[  247.675060]  ? __switch_to_asm+0x34/0x70
[  247.679193]  ? __switch_to_asm+0x40/0x70
[  247.683246]  ? __switch_to_asm+0x34/0x70
[  247.687299]  bpf_clone_redirect+0xb9/0x490
[  247.691521]  ? __schedule+0x8d7/0x21d0
[  247.695402]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  247.700416]  ? __sched_text_start+0x8/0x8
[  247.704554]  ? retint_kernel+0x2d/0x2d
[  247.708454]  ? find_held_lock+0x36/0x1c0
[  247.712511]  ? lock_acquire+0x1ed/0x520
[  247.716560]  ? bpf_test_run+0x3ee/0x7a0
[  247.720524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.726052]  ? check_preemption_disabled+0x48/0x280
[  247.731065]  ? kasan_check_read+0x11/0x20
[  247.735198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.740466]  ? rcu_softirq_qs+0x20/0x20
[  247.744429]  ? preempt_schedule+0x4d/0x60
[  247.748570]  ? ___preempt_schedule+0x16/0x18
[  247.752977]  ? bpf_test_run+0x271/0x7a0
[  247.756957]  ? eth_type_trans+0x2ea/0x760
[  247.761092]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.765486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.771022]  ? bpf_test_init.isra.10+0x70/0x100
[  247.775682]  ? bpf_prog_test_run_skb+0x762/0xd60
[  247.780439]  ? apparmor_cred_transfer+0x590/0x590
[  247.785274]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.790114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.795640]  ? fput+0x130/0x1a0
[  247.798906]  ? __bpf_prog_get+0x9b/0x290
[  247.802961]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.807810]  ? bpf_prog_test_run+0x130/0x1a0
[  247.812212]  ? __x64_sys_bpf+0x3d8/0x520
[  247.816273]  ? bpf_prog_get+0x20/0x20
[  247.820081]  ? do_syscall_64+0x1b9/0x820
[  247.824127]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.829505]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.834422]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.839430]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.844439]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  247.851095]  ? __switch_to_asm+0x40/0x70
[  247.855152]  ? __switch_to_asm+0x34/0x70
[  247.859208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.864073]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.869435] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  247.869507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.876262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.876268] Call Trace:
[  247.882799] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.892079]  <IRQ>
[  247.894636] syz-executor4 cpuset=syz4 mems_allowed=0
[  247.905103]  dump_stack+0x244/0x39d
[  247.915909]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.921097]  warn_alloc.cold.116+0xb7/0x1bd
[  247.925411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.930259]  ? lock_downgrade+0x900/0x900
[  247.934401]  ? trace_hardirqs_off+0xb8/0x310
[  247.938813]  ? trace_hardirqs_off+0xb8/0x310
[  247.943214]  __alloc_pages_slowpath+0x2651/0x2de0
[  247.948065]  ? warn_alloc+0x120/0x120
[  247.951875]  ? warn_alloc+0x120/0x120
[  247.955668]  ? warn_alloc+0x120/0x120
[  247.959460]  ? print_usage_bug+0xc0/0xc0
[  247.963519]  ? print_usage_bug+0xc0/0xc0
[  247.967568]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.972765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.978292]  ? should_fail+0x22d/0xd01
[  247.982169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.987259]  ? __lock_acquire+0x62f/0x4c20
[  247.991502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.996597]  ? __lock_acquire+0x62f/0x4c20
[  248.000819]  ? should_fail+0x22d/0xd01
[  248.004698]  ? mark_held_locks+0x130/0x130
[  248.008923]  ? mark_held_locks+0x130/0x130
[  248.013157]  ? zap_class+0x640/0x640
[  248.016864]  ? zap_class+0x640/0x640
[  248.020572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.026098]  ? check_preemption_disabled+0x48/0x280
[  248.031116]  ? __lock_is_held+0xb5/0x140
[  248.035176]  __alloc_pages_nodemask+0xad8/0xea0
[  248.039865]  ? zap_class+0x640/0x640
[  248.043572]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  248.048600]  ? find_held_lock+0x36/0x1c0
[  248.052653]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.057310]  ? lock_downgrade+0x900/0x900
[  248.061447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.066986]  cache_grow_begin+0xa5/0x8c0
[  248.071038]  ? do_raw_spin_unlock+0xa7/0x330
[  248.075454]  fallback_alloc+0x204/0x2e0
[  248.079421]  ____cache_alloc_node+0x1c7/0x1e0
[  248.083920]  __kmalloc+0x213/0x760
[  248.087449]  ? __neigh_create+0x30b/0x2130
[  248.091682]  __neigh_create+0x30b/0x2130
[  248.095735]  ? __local_bh_enable_ip+0x160/0x260
[  248.100392]  ? __local_bh_enable_ip+0x160/0x260
[  248.105059]  ? mark_held_locks+0x130/0x130
[  248.109292]  ? __local_bh_enable_ip+0x160/0x260
[  248.113969]  ? neigh_hash_alloc+0x1e0/0x1e0
[  248.118284]  ? trace_hardirqs_on+0xbd/0x310
[  248.122594]  ? mark_held_locks+0xc7/0x130
[  248.126737]  ? ip6t_do_table+0xd9e/0x1d30
[  248.130877]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.135969]  ? __local_bh_enable_ip+0x160/0x260
[  248.140628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.146153]  ? ip6t_do_table+0xd6a/0x1d30
[  248.150290]  ? lock_acquire+0x1ed/0x520
[  248.154250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.159788]  ? check_preemption_disabled+0x48/0x280
[  248.164796]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  248.170321]  ? rcu_pm_notify+0xc0/0xc0
[  248.174196]  ? zap_class+0x640/0x640
[  248.177901]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  248.183092]  ip6_finish_output2+0xa59/0x27a0
[  248.187504]  ? ip6_copy_metadata+0xe30/0xe30
[  248.191907]  ? ip6_mtu+0x39c/0x520
[  248.195434]  ? lock_downgrade+0x900/0x900
[  248.199572]  ? check_preemption_disabled+0x48/0x280
[  248.204584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.209501]  ? kasan_check_read+0x11/0x20
[  248.213635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.218895]  ? rcu_softirq_qs+0x20/0x20
[  248.222865]  ? ip6_mtu+0x160/0x520
[  248.226397]  ? find_match+0x10a0/0x10a0
[  248.230370]  ? kasan_check_read+0x11/0x20
[  248.234504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.239774]  ip6_finish_output+0x58c/0xc60
[  248.243998]  ? ip6_finish_output+0x58c/0xc60
[  248.248404]  ip6_output+0x232/0x9d0
[  248.252024]  ? ip6_finish_output+0xc60/0xc60
[  248.256431]  ? ip6_fragment+0x38e0/0x38e0
[  248.260571]  ? __lock_is_held+0xb5/0x140
[  248.264633]  ndisc_send_skb+0x1005/0x1570
[  248.268780]  ? nf_hook.constprop.33+0x860/0x860
[  248.273441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.278979]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.284420]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.289879]  ndisc_send_rs+0x134/0x6e0
[  248.293770]  addrconf_rs_timer+0x314/0x690
[  248.297996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.302224]  call_timer_fn+0x272/0x920
[  248.306100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.310322]  ? process_timeout+0x40/0x40
[  248.314374]  ? mark_held_locks+0xc7/0x130
[  248.318526]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.323009]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.327486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.331722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.336294]  ? trace_hardirqs_on+0xbd/0x310
[  248.340605]  ? kasan_check_read+0x11/0x20
[  248.344735]  ? __run_timers+0x7da/0xc70
[  248.348704]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.353800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.358027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.362246]  __run_timers+0x7e5/0xc70
[  248.366038]  ? timer_fixup_init+0x70/0x70
[  248.370174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.375193]  ? zap_class+0x640/0x640
[  248.378902]  ? print_usage_bug+0xc0/0xc0
[  248.382958]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.388144]  ? find_held_lock+0x36/0x1c0
[  248.392199]  ? zap_class+0x640/0x640
[  248.395903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.401426]  ? check_preemption_disabled+0x48/0x280
[  248.406440]  ? __lock_is_held+0xb5/0x140
[  248.410498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.416031]  ? check_preemption_disabled+0x48/0x280
[  248.421037]  run_timer_softirq+0x52/0xb0
[  248.425095]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.430103]  __do_softirq+0x308/0xb7e
[  248.433894]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.438391]  ? lock_downgrade+0x900/0x900
[  248.442541]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.447639]  ? pvclock_read_flags+0x160/0x160
[  248.452127]  ? lapic_next_event+0x5a/0x90
[  248.456265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.461801]  ? kvm_clock_read+0x18/0x30
[  248.465763]  ? kvm_sched_clock_read+0x9/0x20
[  248.470160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.475685]  ? check_preemption_disabled+0x48/0x280
[  248.480694]  irq_exit+0x17f/0x1c0
[  248.484133]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.488964]  ? smp_reschedule_interrupt+0x109/0x650
[  248.493975]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.499846]  ? interrupt_entry+0xb5/0xc0
[  248.503897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.508898]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.513910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.518746]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.523745]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.528754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.533720]  apic_timer_interrupt+0xf/0x20
[  248.537946]  </IRQ>
[  248.540180] RIP: 0010:dump_stack+0x358/0x39d
[  248.544580] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  248.563465] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  248.571173] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  248.578438] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  248.585694] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  248.592955] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  248.600210] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  248.607478]  ? dump_stack+0x34f/0x39d
[  248.611288]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.616478]  ? mark_held_locks+0x130/0x130
[  248.620702]  ? mark_held_locks+0x130/0x130
[  248.624930]  dump_header+0x27b/0xf72
[  248.628635]  ? pagefault_out_of_memory+0x197/0x197
[  248.633651]  ? __lock_acquire+0x62f/0x4c20
[  248.637988]  ? percpu_ref_get_many+0x240/0x240
[  248.642563]  ? print_usage_bug+0xc0/0xc0
[  248.646617]  ? zap_class+0x640/0x640
[  248.650325]  ? print_usage_bug+0xc0/0xc0
[  248.654380]  ? print_usage_bug+0xc0/0xc0
[  248.658434]  ? zap_class+0x640/0x640
[  248.662138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.667665]  ? find_held_lock+0x36/0x1c0
[  248.671720]  ? mark_held_locks+0xc7/0x130
[  248.675872]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.680958]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.686047]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.690621]  ? trace_hardirqs_on+0xbd/0x310
[  248.694938]  ? kasan_check_read+0x11/0x20
[  248.699484]  ? ___ratelimit+0x3b4/0x672
[  248.703449]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.708539]  ? trace_hardirqs_on+0x310/0x310
[  248.712942]  ? lock_downgrade+0x900/0x900
[  248.717081]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.722176]  ? ___ratelimit+0x3b9/0x672
[  248.726261]  ? idr_get_free+0xf70/0xf70
[  248.730235]  ? find_held_lock+0x36/0x1c0
[  248.734297]  oom_kill_process.cold.27+0x10/0x903
[  248.739043]  ? zap_class+0x640/0x640
[  248.742743]  ? check_preemption_disabled+0x48/0x280
[  248.747751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.752668]  ? kasan_check_read+0x11/0x20
[  248.756806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.762082]  ? oom_evaluate_task+0x540/0x540
[  248.766479]  ? find_held_lock+0x36/0x1c0
[  248.770539]  ? out_of_memory+0x974/0x1430
[  248.774678]  ? lock_downgrade+0x900/0x900
[  248.778813]  ? check_preemption_disabled+0x48/0x280
[  248.783813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.788725]  ? kasan_check_read+0x11/0x20
[  248.792855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.798117]  ? rcu_softirq_qs+0x20/0x20
[  248.802086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.807613]  ? oom_evaluate_task+0x302/0x540
[  248.812011]  out_of_memory+0xa84/0x1430
[  248.815983]  ? oom_killer_disable+0x3a0/0x3a0
[  248.820474]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  248.825398]  ? __ww_mutex_check_waiters+0x160/0x160
[  248.830430]  __alloc_pages_slowpath+0x232c/0x2de0
[  248.835284]  ? warn_alloc+0x120/0x120
[  248.839074]  ? mark_held_locks+0x130/0x130
[  248.843304]  ? find_get_entry+0xaae/0x1120
[  248.847538]  ? filemap_map_pages+0x1a20/0x1a20
[  248.852217]  ? zap_class+0x640/0x640
[  248.855925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.861448]  ? check_preemption_disabled+0x48/0x280
[  248.866453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.871984]  ? should_fail+0x22d/0xd01
[  248.875863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.880955]  ? zap_class+0x640/0x640
[  248.884680]  ? __lock_is_held+0xb5/0x140
[  248.888737]  ? mark_held_locks+0x130/0x130
[  248.892964]  ? lock_release+0xa00/0xa00
[  248.896931]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.902372]  ? xa_load+0x2ba/0x460
[  248.905905]  ? lock_downgrade+0x900/0x900
[  248.910046]  ? __might_sleep+0x95/0x190
[  248.914013]  __alloc_pages_nodemask+0xad8/0xea0
[  248.918671]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  248.923675]  ? __page_cache_alloc+0x191/0x5c0
[  248.928157]  ? xa_load+0x2e1/0x460
[  248.931687]  ? xa_clear_mark+0x40/0x40
[  248.935586]  ? zap_class+0x640/0x640
[  248.939294]  ? zap_class+0x640/0x640
[  248.942998]  ? zap_class+0x640/0x640
[  248.946706]  ? __do_page_cache_readahead+0x663/0x810
[  248.951805]  ? find_held_lock+0x36/0x1c0
[  248.955862]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  248.961409]  alloc_pages_current+0x173/0x350
[  248.965813]  __page_cache_alloc+0x38c/0x5c0
[  248.970121]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.975042]  ? kasan_check_read+0x11/0x20
[  248.979186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.984456]  ? generic_perform_write+0x6a0/0x6a0
[  248.989205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.994733]  ? check_preemption_disabled+0x48/0x280
[  248.999744]  filemap_fault+0x1595/0x25f0
[  249.003801]  ? __lock_page_or_retry+0xa00/0xa00
[  249.008471]  ? mark_held_locks+0x130/0x130
[  249.012703]  ? filemap_map_pages+0xd6b/0x1a20
[  249.017186]  ? lock_downgrade+0x900/0x900
[  249.021320]  ? check_preemption_disabled+0x48/0x280
[  249.026325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.031239]  ? kasan_check_read+0x11/0x20
[  249.035375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.040649]  ? rcu_softirq_qs+0x20/0x20
[  249.044625]  ? filemap_map_pages+0xd92/0x1a20
[  249.049119]  ? find_get_entries_tag+0x1400/0x1400
[  249.053964]  ? __kernel_text_address+0xd/0x40
[  249.058447]  ? unwind_get_return_address+0x61/0xa0
[  249.063377]  ? lock_acquire+0x1ed/0x520
[  249.067348]  ? ext4_filemap_fault+0x7a/0xad
[  249.071690]  ? lock_release+0xa00/0xa00
[  249.075651]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.081090]  ? print_usage_bug+0xc0/0xc0
[  249.085146]  ? print_usage_bug+0xc0/0xc0
[  249.089197]  ? __x64_sys_read+0x73/0xb0
[  249.093167]  ? print_usage_bug+0xc0/0xc0
[  249.097232]  ? down_read+0x8d/0x120
[  249.100857]  ? ext4_filemap_fault+0x7a/0xad
[  249.105179]  ? __down_interruptible+0x700/0x700
[  249.109849]  ext4_filemap_fault+0x82/0xad
[  249.113994]  __do_fault+0x100/0x6b0
[  249.117697]  ? trace_hardirqs_on+0xbd/0x310
[  249.122014]  ? pmd_devmap_trans_unstable+0x220/0x220
[  249.127113]  ? mark_held_locks+0x130/0x130
[  249.131424]  ? mark_held_locks+0x130/0x130
[  249.135647]  ? do_syslog+0x147b/0x1690
[  249.139544]  ? do_syslog+0x309/0x1690
[  249.143333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.148887]  __handle_mm_fault+0x3ea0/0x5be0
[  249.153291]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  249.158122]  ? find_held_lock+0x36/0x1c0
[  249.162188]  ? zap_class+0x640/0x640
[  249.165912]  ? zap_class+0x640/0x640
[  249.169621]  ? find_held_lock+0x36/0x1c0
[  249.173673]  ? handle_mm_fault+0x42a/0xc70
[  249.177898]  ? lock_downgrade+0x900/0x900
[  249.182050]  ? check_preemption_disabled+0x48/0x280
[  249.187057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.191972]  ? kasan_check_read+0x11/0x20
[  249.196106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.201370]  ? rcu_softirq_qs+0x20/0x20
[  249.205339]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.210433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.215958]  ? check_preemption_disabled+0x48/0x280
[  249.220967]  handle_mm_fault+0x54f/0xc70
[  249.225022]  ? __handle_mm_fault+0x5be0/0x5be0
[  249.229592]  ? find_vma+0x34/0x190
[  249.233125]  __do_page_fault+0x5e8/0xe60
[  249.237172]  ? trace_hardirqs_off+0xb8/0x310
[  249.241565]  ? kernel_write+0x120/0x120
[  249.245531]  do_page_fault+0xf2/0x7e0
[  249.249317]  ? vmalloc_sync_all+0x30/0x30
[  249.253458]  ? error_entry+0x70/0xd0
[  249.257158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.262158]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.267075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.271986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.276812]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.281818]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.287269]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.292278]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.297281]  ? page_fault+0x8/0x30
[  249.300813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.305643]  ? page_fault+0x8/0x30
[  249.309176]  page_fault+0x1e/0x30
[  249.312616] RIP: 0033:0x7f71188e71fd
[  249.316327] Code: Bad RIP value.
[  249.319676] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  249.325024] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  249.332283] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  249.339536] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  249.346787] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  249.354039] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  249.361316] warn_alloc_show_mem: 1 callbacks suppressed
[  249.361325] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  249.361327] Mem-Info:
[  249.361353] active_anon:46321 inactive_anon:276 isolated_anon:0
[  249.361353]  active_file:12 inactive_file:12 isolated_file:0
[  249.361353]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.361353]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  249.361353]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  249.361353]  free:13741 free_pcp:243 free_cma:0
[  249.366680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.366686] Call Trace:
[  249.373950] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.376333]  <IRQ>
[  249.409181] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.418520]  dump_stack+0x244/0x39d
[  249.421064] lowmem_reserve[]: 0 2818 6321 6321
[  249.448720]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.450837] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  249.476943]  warn_alloc.cold.116+0xb7/0x1bd
[  249.480530] lowmem_reserve[]: 0 0 3503 3503
[  249.485095]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.490252] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  249.517817]  ? lock_downgrade+0x900/0x900
[  249.522100] lowmem_reserve[]: 0 0 0 0
[  249.526429]  ? trace_hardirqs_off+0xb8/0x310
[  249.531236] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  249.560192]  ? trace_hardirqs_off+0xb8/0x310
[  249.564314] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  249.568102]  __alloc_pages_slowpath+0x2651/0x2de0
[  249.572470] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  249.586002]  ? warn_alloc+0x120/0x120
[  249.590375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.605521]  ? print_usage_bug+0xc0/0xc0
[  249.610335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.625225]  ? warn_alloc+0x120/0x120
[  249.628990] 358 total pagecache pages
[  249.637808]  ? warn_alloc+0x120/0x120
[  249.641850] 0 pages in swap cache
[  249.650407]  ? print_usage_bug+0xc0/0xc0
[  249.654175] Swap cache stats: add 0, delete 0, find 0/0
[  249.654182] Free swap  = 0kB
[  249.657978]  ? kvm_clock_read+0x18/0x30
[  249.661744] Total swap = 0kB
[  249.665174]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  249.669209] 1965979 pages RAM
[  249.674548]  ? print_usage_bug+0xc0/0xc0
[  249.677534] 0 pages HighMem/MovableOnly
[  249.681501]  ? __lock_acquire+0x62f/0x4c20
[  249.684569] 342854 pages reserved
[  249.684576] 0 pages cma reserved
[  249.689611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.692984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.696731]  ? should_fail+0x22d/0xd01
[  249.700735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.704880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.704895]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.708454] rsyslogd: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.711679]  ? __lock_acquire+0x62f/0x4c20
[  249.717180] rsyslogd cpuset=/ mems_allowed=0
[  249.723656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.768013]  ? __lock_acquire+0x62f/0x4c20
[  249.772236]  ? should_fail+0x22d/0xd01
[  249.776197]  ? rcu_irq_exit+0x1a2/0x390
[  249.780173]  ? mark_held_locks+0x130/0x130
[  249.784418]  ? mark_held_locks+0x130/0x130
[  249.788643]  ? mark_held_locks+0xc7/0x130
[  249.792869]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  249.797880]  ? zap_class+0x640/0x640
[  249.801592]  ? print_usage_bug+0xc0/0xc0
[  249.805917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.811447]  ? check_preemption_disabled+0x48/0x280
[  249.816465]  ? __lock_is_held+0xb5/0x140
[  249.820519]  __alloc_pages_nodemask+0xad8/0xea0
[  249.825174]  ? zap_class+0x640/0x640
[  249.828880]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  249.833892]  ? find_held_lock+0x36/0x1c0
[  249.837950]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.842603]  ? lock_downgrade+0x900/0x900
[  249.846747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.852281]  cache_grow_begin+0xa5/0x8c0
[  249.856331]  ? do_raw_spin_unlock+0xa7/0x330
[  249.860736]  fallback_alloc+0x204/0x2e0
[  249.864709]  ____cache_alloc_node+0x1c7/0x1e0
[  249.869204]  kmem_cache_alloc_node+0xe3/0x730
[  249.873687]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.877918]  __alloc_skb+0x119/0x770
[  249.881710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.886982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.891384]  ? lock_downgrade+0x900/0x900
[  249.895529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.901053]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.906495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.911929]  ? addrconf_rs_timer+0x690/0x690
[  249.916337]  ndisc_alloc_skb+0x144/0x340
[  249.920388]  ndisc_send_rs+0x331/0x6e0
[  249.924285]  addrconf_rs_timer+0x314/0x690
[  249.928515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.932764]  call_timer_fn+0x272/0x920
[  249.936641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.940866]  ? process_timeout+0x40/0x40
[  249.944932]  ? __run_timers+0x7da/0xc70
[  249.948901]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.953385]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.957865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.962088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.966678]  ? trace_hardirqs_on+0xbd/0x310
[  249.970990]  ? kasan_check_read+0x11/0x20
[  249.975135]  ? __run_timers+0x7da/0xc70
[  249.979104]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.984204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.988437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.992679]  __run_timers+0x7e5/0xc70
[  249.996477]  ? timer_fixup_init+0x70/0x70
[  250.000615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.005624]  ? zap_class+0x640/0x640
[  250.009332]  ? enqueue_hrtimer+0x1a5/0x560
[  250.013577]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.018782]  ? find_held_lock+0x36/0x1c0
[  250.022843]  ? zap_class+0x640/0x640
[  250.026550]  ? pvclock_read_flags+0x160/0x160
[  250.031039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.036572]  ? check_preemption_disabled+0x48/0x280
[  250.041607]  ? __lock_is_held+0xb5/0x140
[  250.045664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.051192]  ? check_preemption_disabled+0x48/0x280
[  250.056205]  run_timer_softirq+0x52/0xb0
[  250.060260]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.065266]  __do_softirq+0x308/0xb7e
[  250.069061]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.073547]  ? lock_downgrade+0x900/0x900
[  250.077691]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.082800]  ? pvclock_read_flags+0x160/0x160
[  250.087305]  ? lapic_next_event+0x5a/0x90
[  250.091443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.096972]  ? kvm_clock_read+0x18/0x30
[  250.100936]  ? kvm_sched_clock_read+0x9/0x20
[  250.105339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.110870]  ? check_preemption_disabled+0x48/0x280
[  250.115884]  irq_exit+0x17f/0x1c0
[  250.119331]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.124160]  ? smp_reschedule_interrupt+0x109/0x650
[  250.129170]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.135049]  ? interrupt_entry+0xb5/0xc0
[  250.139101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.144104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.149112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.153945]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.158949]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.163956]  ? task_prio+0x50/0x50
[  250.167490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.173018]  ? check_preemption_disabled+0x48/0x280
[  250.178028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.182870]  apic_timer_interrupt+0xf/0x20
[  250.187093]  </IRQ>
[  250.189325] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.194253] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  250.213143] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  250.220842] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.228099] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  250.235370] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  250.242626] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.249918] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  250.257200]  skb_clone+0x1bb/0x500
[  250.260730]  ? finish_task_switch+0x615/0x910
[  250.265214]  ? skb_split+0x11e0/0x11e0
[  250.269088]  ? preempt_notifier_register+0x200/0x200
[  250.274187]  ? __switch_to_asm+0x34/0x70
[  250.278239]  ? __switch_to_asm+0x34/0x70
[  250.282290]  ? __switch_to_asm+0x40/0x70
[  250.286340]  ? __switch_to_asm+0x34/0x70
[  250.290385]  ? __switch_to_asm+0x40/0x70
[  250.294432]  ? __switch_to_asm+0x34/0x70
[  250.298481]  ? __switch_to_asm+0x40/0x70
[  250.302531]  ? __switch_to_asm+0x34/0x70
[  250.306585]  ? __switch_to_asm+0x34/0x70
[  250.310640]  ? __switch_to_asm+0x40/0x70
[  250.314693]  ? __switch_to_asm+0x34/0x70
[  250.318746]  bpf_clone_redirect+0xb9/0x490
[  250.322996]  ? __schedule+0x8d7/0x21d0
[  250.326891]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  250.331897]  ? __sched_text_start+0x8/0x8
[  250.336034]  ? retint_kernel+0x2d/0x2d
[  250.339931]  ? find_held_lock+0x36/0x1c0
[  250.343995]  ? lock_acquire+0x1ed/0x520
[  250.347971]  ? bpf_test_run+0x3ee/0x7a0
[  250.351935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.357469]  ? check_preemption_disabled+0x48/0x280
[  250.362476]  ? kasan_check_read+0x11/0x20
[  250.366610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.371879]  ? rcu_softirq_qs+0x20/0x20
[  250.375861]  ? preempt_schedule+0x4d/0x60
[  250.380001]  ? ___preempt_schedule+0x16/0x18
[  250.384401]  ? bpf_test_run+0x271/0x7a0
[  250.388365]  ? eth_type_trans+0x2ea/0x760
[  250.392506]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.396910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.402437]  ? bpf_test_init.isra.10+0x70/0x100
[  250.407100]  ? bpf_prog_test_run_skb+0x762/0xd60
[  250.411851]  ? apparmor_cred_transfer+0x590/0x590
[  250.416696]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.421548]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.427074]  ? fput+0x130/0x1a0
[  250.430353]  ? __bpf_prog_get+0x9b/0x290
[  250.434413]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.439249]  ? bpf_prog_test_run+0x130/0x1a0
[  250.443648]  ? __x64_sys_bpf+0x3d8/0x520
[  250.447698]  ? bpf_prog_get+0x20/0x20
[  250.451504]  ? do_syscall_64+0x1b9/0x820
[  250.455554]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.460908]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.465829]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.470838]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.475846]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  250.482504]  ? __switch_to_asm+0x40/0x70
[  250.486557]  ? __switch_to_asm+0x34/0x70
[  250.490627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.495467]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  250.500839] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  250.500898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.507665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.507672] Call Trace:
[  250.514199] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.523467]  <IRQ>
[  250.526026] syz-executor4 cpuset=syz4 mems_allowed=0
[  250.536700]  dump_stack+0x244/0x39d
[  250.547515]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.552702]  warn_alloc.cold.116+0xb7/0x1bd
[  250.557016]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.561849]  ? lock_downgrade+0x900/0x900
[  250.565989]  ? trace_hardirqs_off+0xb8/0x310
[  250.570393]  ? trace_hardirqs_off+0xb8/0x310
[  250.574800]  __alloc_pages_slowpath+0x2651/0x2de0
[  250.579683]  ? warn_alloc+0x120/0x120
[  250.583477]  ? warn_alloc+0x120/0x120
[  250.587285]  ? warn_alloc+0x120/0x120
[  250.591081]  ? print_usage_bug+0xc0/0xc0
[  250.595133]  ? trace_hardirqs_on+0x310/0x310
[  250.599538]  ? print_usage_bug+0xc0/0xc0
[  250.603598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.609128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.614679]  ? should_fail+0x22d/0xd01
[  250.618559]  ? __lock_acquire+0x62f/0x4c20
[  250.622783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.627890]  ? __lock_acquire+0x62f/0x4c20
[  250.632117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.637217]  ? __lock_acquire+0x62f/0x4c20
[  250.641440]  ? should_fail+0x22d/0xd01
[  250.645327]  ? mark_held_locks+0x130/0x130
[  250.649559]  ? mark_held_locks+0x130/0x130
[  250.653785]  ? __lock_acquire+0x62f/0x4c20
[  250.658017]  ? find_held_lock+0x36/0x1c0
[  250.662072]  ? zap_class+0x640/0x640
[  250.665802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.671346]  ? check_preemption_disabled+0x48/0x280
[  250.676363]  ? __lock_is_held+0xb5/0x140
[  250.680417]  __alloc_pages_nodemask+0xad8/0xea0
[  250.685072]  ? zap_class+0x640/0x640
[  250.688783]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  250.693800]  ? find_held_lock+0x36/0x1c0
[  250.697859]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.703046]  ? lock_downgrade+0x900/0x900
[  250.707189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.712732]  cache_grow_begin+0xa5/0x8c0
[  250.716789]  ? do_raw_spin_unlock+0xa7/0x330
[  250.721203]  fallback_alloc+0x204/0x2e0
[  250.725167]  ____cache_alloc_node+0x1c7/0x1e0
[  250.729655]  __kmalloc+0x213/0x760
[  250.733191]  ? __neigh_create+0x30b/0x2130
[  250.737418]  __neigh_create+0x30b/0x2130
[  250.741468]  ? __local_bh_enable_ip+0x160/0x260
[  250.746120]  ? __local_bh_enable_ip+0x160/0x260
[  250.750786]  ? mark_held_locks+0x130/0x130
[  250.755010]  ? __local_bh_enable_ip+0x160/0x260
[  250.759668]  ? neigh_hash_alloc+0x1e0/0x1e0
[  250.763979]  ? trace_hardirqs_on+0xbd/0x310
[  250.768306]  ? mark_held_locks+0xc7/0x130
[  250.772446]  ? ip6t_do_table+0xd9e/0x1d30
[  250.776585]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.781697]  ? __local_bh_enable_ip+0x160/0x260
[  250.786379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.791900]  ? ip6t_do_table+0xd6a/0x1d30
[  250.796036]  ? lock_acquire+0x1ed/0x520
[  250.799995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.805519]  ? check_preemption_disabled+0x48/0x280
[  250.810534]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  250.816061]  ? rcu_pm_notify+0xc0/0xc0
[  250.819935]  ? zap_class+0x640/0x640
[  250.823640]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  250.828826]  ip6_finish_output2+0xa59/0x27a0
[  250.833228]  ? ip6_copy_metadata+0xe30/0xe30
[  250.837627]  ? ip6_mtu+0x39c/0x520
[  250.841167]  ? lock_downgrade+0x900/0x900
[  250.845316]  ? check_preemption_disabled+0x48/0x280
[  250.850326]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.855245]  ? kasan_check_read+0x11/0x20
[  250.859377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.864640]  ? rcu_softirq_qs+0x20/0x20
[  250.868611]  ? ip6_mtu+0x160/0x520
[  250.872151]  ? find_match+0x10a0/0x10a0
[  250.876112]  ? kasan_check_read+0x11/0x20
[  250.880335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.885601]  ip6_finish_output+0x58c/0xc60
[  250.889937]  ? ip6_finish_output+0x58c/0xc60
[  250.894335]  ip6_output+0x232/0x9d0
[  250.897957]  ? ip6_finish_output+0xc60/0xc60
[  250.902358]  ? ip6_fragment+0x38e0/0x38e0
[  250.906584]  ? __lock_is_held+0xb5/0x140
[  250.910645]  ndisc_send_skb+0x1005/0x1570
[  250.914790]  ? nf_hook.constprop.33+0x860/0x860
[  250.919448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.924996]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.930435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.935886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.941419]  ndisc_send_rs+0x134/0x6e0
[  250.945336]  addrconf_rs_timer+0x314/0x690
[  250.949567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.953800]  call_timer_fn+0x272/0x920
[  250.957676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.961898]  ? process_timeout+0x40/0x40
[  250.965953]  ? mark_held_locks+0xc7/0x130
[  250.970087]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.974565]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.979045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.983267]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.987842]  ? trace_hardirqs_on+0xbd/0x310
[  250.992153]  ? kasan_check_read+0x11/0x20
[  250.996294]  ? __run_timers+0x7da/0xc70
[  251.000256]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.005347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.009577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.013797]  __run_timers+0x7e5/0xc70
[  251.017591]  ? timer_fixup_init+0x70/0x70
[  251.021747]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.026758]  ? zap_class+0x640/0x640
[  251.030469]  ? print_usage_bug+0xc0/0xc0
[  251.034516]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.039708]  ? find_held_lock+0x36/0x1c0
[  251.043775]  ? zap_class+0x640/0x640
[  251.047477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.053003]  ? check_preemption_disabled+0x48/0x280
[  251.058013]  ? __lock_is_held+0xb5/0x140
[  251.062060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.067583]  ? check_preemption_disabled+0x48/0x280
[  251.072589]  run_timer_softirq+0x52/0xb0
[  251.076645]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.081651]  __do_softirq+0x308/0xb7e
[  251.085451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.089948]  ? lock_downgrade+0x900/0x900
[  251.094087]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.099186]  ? pvclock_read_flags+0x160/0x160
[  251.103670]  ? lapic_next_event+0x5a/0x90
[  251.107816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.113373]  ? kvm_clock_read+0x18/0x30
[  251.117332]  ? kvm_sched_clock_read+0x9/0x20
[  251.121734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.127262]  ? check_preemption_disabled+0x48/0x280
[  251.132275]  irq_exit+0x17f/0x1c0
[  251.135722]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.140558]  ? smp_reschedule_interrupt+0x109/0x650
[  251.145558]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.151433]  ? interrupt_entry+0xb5/0xc0
[  251.155485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.160486]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.165492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.170329]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.175333]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.180349]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.185190]  apic_timer_interrupt+0xf/0x20
[  251.189411]  </IRQ>
[  251.191637] RIP: 0010:dump_stack+0x358/0x39d
[  251.196034] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  251.214929] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  251.222639] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  251.229896] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  251.237152] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  251.244411] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  251.251671] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  251.258951]  ? dump_stack+0x34f/0x39d
[  251.262747]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.267926]  ? mark_held_locks+0x130/0x130
[  251.272150]  ? mark_held_locks+0x130/0x130
[  251.276373]  dump_header+0x27b/0xf72
[  251.280085]  ? pagefault_out_of_memory+0x197/0x197
[  251.285009]  ? __lock_acquire+0x62f/0x4c20
[  251.289240]  ? percpu_ref_get_many+0x240/0x240
[  251.293812]  ? print_usage_bug+0xc0/0xc0
[  251.297867]  ? zap_class+0x640/0x640
[  251.301568]  ? print_usage_bug+0xc0/0xc0
[  251.305616]  ? print_usage_bug+0xc0/0xc0
[  251.309697]  ? zap_class+0x640/0x640
[  251.313409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.318935]  ? find_held_lock+0x36/0x1c0
[  251.323010]  ? mark_held_locks+0xc7/0x130
[  251.327147]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.332237]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.337324]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.341893]  ? trace_hardirqs_on+0xbd/0x310
[  251.346220]  ? kasan_check_read+0x11/0x20
[  251.350353]  ? ___ratelimit+0x3b4/0x672
[  251.354317]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.359411]  ? trace_hardirqs_on+0x310/0x310
[  251.363806]  ? lock_downgrade+0x900/0x900
[  251.367946]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.373036]  ? ___ratelimit+0x3b9/0x672
[  251.377015]  ? idr_get_free+0xf70/0xf70
[  251.380976]  ? find_held_lock+0x36/0x1c0
[  251.385030]  oom_kill_process.cold.27+0x10/0x903
[  251.389775]  ? zap_class+0x640/0x640
[  251.393481]  ? check_preemption_disabled+0x48/0x280
[  251.398491]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.403410]  ? kasan_check_read+0x11/0x20
[  251.407550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.412812]  ? oom_evaluate_task+0x540/0x540
[  251.417228]  ? find_held_lock+0x36/0x1c0
[  251.421282]  ? out_of_memory+0x974/0x1430
[  251.425419]  ? lock_downgrade+0x900/0x900
[  251.429555]  ? check_preemption_disabled+0x48/0x280
[  251.434561]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.439476]  ? kasan_check_read+0x11/0x20
[  251.443614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.448882]  ? rcu_softirq_qs+0x20/0x20
[  251.452850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.458372]  ? oom_evaluate_task+0x302/0x540
[  251.462773]  out_of_memory+0xa84/0x1430
[  251.466747]  ? oom_killer_disable+0x3a0/0x3a0
[  251.471237]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  251.476155]  ? __ww_mutex_check_waiters+0x160/0x160
[  251.481170]  __alloc_pages_slowpath+0x232c/0x2de0
[  251.486024]  ? warn_alloc+0x120/0x120
[  251.489816]  ? mark_held_locks+0x130/0x130
[  251.494045]  ? find_get_entry+0xaae/0x1120
[  251.498274]  ? filemap_map_pages+0x1a20/0x1a20
[  251.502850]  ? zap_class+0x640/0x640
[  251.506560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.512090]  ? check_preemption_disabled+0x48/0x280
[  251.517094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.522620]  ? should_fail+0x22d/0xd01
[  251.526498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.531588]  ? zap_class+0x640/0x640
[  251.535309]  ? __lock_is_held+0xb5/0x140
[  251.539381]  ? mark_held_locks+0x130/0x130
[  251.543610]  ? lock_release+0xa00/0xa00
[  251.547575]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.553013]  ? xa_load+0x2ba/0x460
[  251.556541]  ? lock_downgrade+0x900/0x900
[  251.560683]  ? __might_sleep+0x95/0x190
[  251.564649]  __alloc_pages_nodemask+0xad8/0xea0
[  251.569325]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  251.574336]  ? __page_cache_alloc+0x191/0x5c0
[  251.578832]  ? xa_load+0x2e1/0x460
[  251.582365]  ? xa_clear_mark+0x40/0x40
[  251.586243]  ? zap_class+0x640/0x640
[  251.589951]  ? zap_class+0x640/0x640
[  251.593652]  ? zap_class+0x640/0x640
[  251.597362]  ? __do_page_cache_readahead+0x663/0x810
[  251.602458]  ? find_held_lock+0x36/0x1c0
[  251.606522]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  251.612057]  alloc_pages_current+0x173/0x350
[  251.616468]  __page_cache_alloc+0x38c/0x5c0
[  251.620772]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.625692]  ? kasan_check_read+0x11/0x20
[  251.629825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.635093]  ? generic_perform_write+0x6a0/0x6a0
[  251.639839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.645453]  ? check_preemption_disabled+0x48/0x280
[  251.650468]  filemap_fault+0x1595/0x25f0
[  251.654530]  ? __lock_page_or_retry+0xa00/0xa00
[  251.659189]  ? mark_held_locks+0x130/0x130
[  251.663420]  ? filemap_map_pages+0xd6b/0x1a20
[  251.667910]  ? lock_downgrade+0x900/0x900
[  251.672045]  ? check_preemption_disabled+0x48/0x280
[  251.677054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.681975]  ? kasan_check_read+0x11/0x20
[  251.686107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.691370]  ? rcu_softirq_qs+0x20/0x20
[  251.695340]  ? filemap_map_pages+0xd92/0x1a20
[  251.699835]  ? find_get_entries_tag+0x1400/0x1400
[  251.704675]  ? __kernel_text_address+0xd/0x40
[  251.709179]  ? unwind_get_return_address+0x61/0xa0
[  251.714103]  ? lock_acquire+0x1ed/0x520
[  251.718066]  ? ext4_filemap_fault+0x7a/0xad
[  251.722392]  ? lock_release+0xa00/0xa00
[  251.726355]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.731789]  ? print_usage_bug+0xc0/0xc0
[  251.735836]  ? print_usage_bug+0xc0/0xc0
[  251.739881]  ? __x64_sys_read+0x73/0xb0
[  251.743840]  ? print_usage_bug+0xc0/0xc0
[  251.747915]  ? down_read+0x8d/0x120
[  251.751530]  ? ext4_filemap_fault+0x7a/0xad
[  251.755839]  ? __down_interruptible+0x700/0x700
[  251.760497]  ext4_filemap_fault+0x82/0xad
[  251.764628]  __do_fault+0x100/0x6b0
[  251.768251]  ? trace_hardirqs_on+0xbd/0x310
[  251.772564]  ? pmd_devmap_trans_unstable+0x220/0x220
[  251.777665]  ? mark_held_locks+0x130/0x130
[  251.781890]  ? mark_held_locks+0x130/0x130
[  251.786116]  ? do_syslog+0x147b/0x1690
[  251.789998]  ? do_syslog+0x309/0x1690
[  251.793787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.799332]  __handle_mm_fault+0x3ea0/0x5be0
[  251.803736]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  251.808567]  ? find_held_lock+0x36/0x1c0
[  251.812630]  ? zap_class+0x640/0x640
[  251.816340]  ? zap_class+0x640/0x640
[  251.820049]  ? find_held_lock+0x36/0x1c0
[  251.824106]  ? handle_mm_fault+0x42a/0xc70
[  251.828330]  ? lock_downgrade+0x900/0x900
[  251.832472]  ? check_preemption_disabled+0x48/0x280
[  251.837482]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.842410]  ? kasan_check_read+0x11/0x20
[  251.846550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.851815]  ? rcu_softirq_qs+0x20/0x20
[  251.855776]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.860864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.866389]  ? check_preemption_disabled+0x48/0x280
[  251.871401]  handle_mm_fault+0x54f/0xc70
[  251.875461]  ? __handle_mm_fault+0x5be0/0x5be0
[  251.880043]  ? find_vma+0x34/0x190
[  251.883581]  __do_page_fault+0x5e8/0xe60
[  251.887629]  ? trace_hardirqs_off+0xb8/0x310
[  251.892029]  ? kernel_write+0x120/0x120
[  251.896004]  do_page_fault+0xf2/0x7e0
[  251.899803]  ? vmalloc_sync_all+0x30/0x30
[  251.903946]  ? error_entry+0x70/0xd0
[  251.907655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.912664]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.917579]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.922495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.927327]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.932330]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.937767]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.942777]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.947782]  ? page_fault+0x8/0x30
[  251.951315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.956152]  ? page_fault+0x8/0x30
[  251.959680]  page_fault+0x1e/0x30
[  251.963123] RIP: 0033:0x7f71188e71fd
[  251.966842] Code: Bad RIP value.
[  251.970195] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  251.975544] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  251.982817] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  251.990158] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  251.997412] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  252.004670] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  252.011942] warn_alloc_show_mem: 1 callbacks suppressed
[  252.011950] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  252.011952] Mem-Info:
[  252.011988] active_anon:46321 inactive_anon:276 isolated_anon:0
[  252.011988]  active_file:12 inactive_file:12 isolated_file:0
[  252.011988]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.011988]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  252.011988]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  252.011988]  free:13741 free_pcp:243 free_cma:0
[  252.017315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.017322] Call Trace:
[  252.024602] Node 0 active_anon:185284kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.026982]  <IRQ>
[  252.059829] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  252.069166]  dump_stack+0x244/0x39d
[  252.071716] lowmem_reserve[]: 0 2818 6321 6321
[  252.099375]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.101500] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  252.127612]  warn_alloc.cold.116+0xb7/0x1bd
[  252.131198] lowmem_reserve[]: 0 0 3503 3503
[  252.135761]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.140914] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181188kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  252.168579]  ? lock_downgrade+0x900/0x900
[  252.172859] lowmem_reserve[]: 0 0 0 0
[  252.177181]  ? trace_hardirqs_off+0xb8/0x310
[  252.181986] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  252.210942]  ? trace_hardirqs_off+0xb8/0x310
[  252.215048] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  252.218846]  __alloc_pages_slowpath+0x2651/0x2de0
[  252.223220] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  252.236830]  ? warn_alloc+0x120/0x120
[  252.241191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.256426]  ? print_usage_bug+0xc0/0xc0
[  252.261239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.276130]  ? warn_alloc+0x120/0x120
[  252.279895] 358 total pagecache pages
[  252.288711]  ? warn_alloc+0x120/0x120
[  252.292744] 0 pages in swap cache
[  252.301288]  ? print_usage_bug+0xc0/0xc0
[  252.305061] Swap cache stats: add 0, delete 0, find 0/0
[  252.308840]  ? kvm_clock_read+0x18/0x30
[  252.312611] Free swap  = 0kB
[  252.316048]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  252.320071] Total swap = 0kB
[  252.320077] 1965979 pages RAM
[  252.325440]  ? print_usage_bug+0xc0/0xc0
[  252.329378] 0 pages HighMem/MovableOnly
[  252.329384] 342854 pages reserved
[  252.332384]  ? __lock_acquire+0x62f/0x4c20
[  252.337364] 0 pages cma reserved
[  252.340369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.343918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.347491]  ? should_fail+0x22d/0xd01
[  252.369534] Mem-Info:
[  252.374437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.378345] active_anon:46309 inactive_anon:276 isolated_anon:0
[  252.378345]  active_file:12 inactive_file:12 isolated_file:0
[  252.378345]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.378345]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  252.378345]  mapped:40962 shmem:334 pagetables:599 bounce:0
[  252.378345]  free:13741 free_pcp:243 free_cma:0
[  252.380701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.385980] Node 0 active_anon:185236kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.418819]  ? __lock_acquire+0x62f/0x4c20
[  252.418836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.418851]  ? __lock_acquire+0x62f/0x4c20
[  252.423920] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  252.451567]  ? should_fail+0x22d/0xd01
[  252.451577]  ? rcu_irq_exit+0x1a2/0x390
[  252.451607]  ? mark_held_locks+0x130/0x130
[  252.455799] lowmem_reserve[]: 0 2818 6321 6321
[  252.460883]  ? mark_held_locks+0x130/0x130
[  252.460903]  ? mark_held_locks+0xc7/0x130
[  252.465125] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  252.491212]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.491223]  ? zap_class+0x640/0x640
[  252.491237]  ? print_usage_bug+0xc0/0xc0
[  252.495089] lowmem_reserve[]: 0 0 3503 3503
[  252.499049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.499062]  ? check_preemption_disabled+0x48/0x280
[  252.499082]  ? __lock_is_held+0xb5/0x140
[  252.503278] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181140kB inactive_anon:1104kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2396kB bounce:0kB free_pcp:752kB local_pcp:316kB free_cma:0kB
[  252.507844]  __alloc_pages_nodemask+0xad8/0xea0
[  252.512063] lowmem_reserve[]: 0 0 0 0
[  252.516197]  ? zap_class+0x640/0x640
[  252.543899] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  252.548886]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  252.548910]  ? find_held_lock+0x36/0x1c0
[  252.552599] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  252.556650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.560969] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 45*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13848kB
[  252.566475]  ? lock_downgrade+0x900/0x900
[  252.571481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.575508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.604465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.609098]  cache_grow_begin+0xa5/0x8c0
[  252.609110]  ? do_raw_spin_unlock+0xa7/0x330
[  252.609129]  fallback_alloc+0x204/0x2e0
[  252.612891] 358 total pagecache pages
[  252.616599]  ____cache_alloc_node+0x1c7/0x1e0
[  252.630119] 0 pages in swap cache
[  252.635093]  kmem_cache_alloc_node+0xe3/0x730
[  252.639146] Swap cache stats: add 0, delete 0, find 0/0
[  252.654285]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.654319]  __alloc_skb+0x119/0x770
[  252.658974] Free swap  = 0kB
[  252.673859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.673890]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.673904]  ? lock_downgrade+0x900/0x900
[  252.678021] Total swap = 0kB
[  252.686840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.686863]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.686878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.692413] 1965979 pages RAM
[  252.701129]  ? addrconf_rs_timer+0x690/0x690
[  252.701149]  ndisc_alloc_skb+0x144/0x340
[  252.701163]  ndisc_send_rs+0x331/0x6e0
[  252.705190] 0 pages HighMem/MovableOnly
[  252.709590]  addrconf_rs_timer+0x314/0x690
[  252.709606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.713546] 342854 pages reserved
[  252.717330]  call_timer_fn+0x272/0x920
[  252.721823] 0 pages cma reserved
[  252.725242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.729722] Unreclaimable slab info:
[  252.735052]  ? process_timeout+0x40/0x40
[  252.739273] Name                      Used          Total
[  252.742957]  ? __run_timers+0x7da/0xc70
[  252.745962] pid_2                      1KB         32KB
[  252.751204]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.751214]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.751223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.751237]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.755643] TIPC                      10KB         14KB
[  252.759739]  ? trace_hardirqs_on+0xbd/0x310
[  252.759751]  ? kasan_check_read+0x11/0x20
[  252.759763]  ? __run_timers+0x7da/0xc70
[  252.762761] SCTPv6                    14KB         18KB
[  252.768282]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.768307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.768323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.773757] DCCPv6                    17KB         21KB
[  252.779182]  __run_timers+0x7e5/0xc70
[  252.779202]  ? timer_fixup_init+0x70/0x70
[  252.779218]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.782316] DCCP                      16KB         20KB
[  252.786705]  ? zap_class+0x640/0x640
[  252.790784] bridge_fdb_cache          11KB         15KB
[  252.794620]  ? enqueue_hrtimer+0x1a5/0x560
[  252.798592] nf-frags                   0KB          3KB
[  252.802793]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.806997] fib6_nodes                77KB         88KB
[  252.810439]  ? find_held_lock+0x36/0x1c0
[  252.810456]  ? zap_class+0x640/0x640
[  252.814314] ip6_dst_cache            138KB        270KB
[  252.817676]  ? pvclock_read_flags+0x160/0x160
[  252.821899] RAWv6                     68KB         71KB
[  252.825584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.829645] UDPv6                      3KB          3KB
[  252.835146]  ? check_preemption_disabled+0x48/0x280
[  252.839108] TCPv6                     23KB         23KB
[  252.844443]  ? __lock_is_held+0xb5/0x140
[  252.848927] nf_conntrack               1KB          7KB
[  252.853383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.857606] sd_ext_cdb                 0KB          3KB
[  252.862149]  ? check_preemption_disabled+0x48/0x280
[  252.862165]  run_timer_softirq+0x52/0xb0
[  252.862180]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.867510] scsi_sense_cache        1056KB       1064KB
[  252.871808]  __do_softirq+0x308/0xb7e
[  252.871821]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.871833]  ? lock_downgrade+0x900/0x900
[  252.875954] virtio_scsi_cmd           16KB         16KB
[  252.879907]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.879929]  ? pvclock_read_flags+0x160/0x160
[  252.885266] sgpool-128                 8KB          8KB
[  252.890349]  ? lapic_next_event+0x5a/0x90
[  252.890362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.890378]  ? kvm_clock_read+0x18/0x30
[  252.894583] sgpool-64                  4KB          6KB
[  252.898811]  ? kvm_sched_clock_read+0x9/0x20
[  252.898826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.898842]  ? check_preemption_disabled+0x48/0x280
[  252.904174] sgpool-32                  2KB          7KB
[  252.907963]  irq_exit+0x17f/0x1c0
[  252.912100] sgpool-16                  1KB          3KB
[  252.917083]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.922433] sgpool-8                   0KB          3KB
[  252.926110]  ? smp_reschedule_interrupt+0x109/0x650
[  252.931470] mqueue_inode_cache         10KB         21KB
[  252.935654]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.941010] bio_post_read_ctx         14KB         15KB
[  252.946161]  ? interrupt_entry+0xb5/0xc0
[  252.951536] bio-2                     14KB         15KB
[  252.955537]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.959251] jfs_mp                     7KB          7KB
[  252.964579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.964595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.969104] nfs_commit_data            3KB          7KB
[  252.974409]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.979932] nfs_write_data            32KB         32KB
[  252.985251]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.985264]  ? task_prio+0x50/0x50
[  252.990285] ext4_system_zone           0KB          3KB
[  252.995597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.999653] bio-1                      1KB          3KB
[  253.004974]  ? check_preemption_disabled+0x48/0x280
[  253.010498] pid_namespace              2KB          7KB
[  253.015825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.020835] rpc_buffers               17KB         19KB
[  253.024873]  apic_timer_interrupt+0xf/0x20
[  253.029871] rpc_tasks                  2KB          3KB
[  253.035190]  </IRQ>
[  253.038982] UNIX                       9KB         14KB
[  253.043438] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.043453] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  253.047573] ip4-frags                180KB        181KB
[  253.052920] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  253.052933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  253.052942] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  253.052952] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  253.058038] tcp_bind_bucket            1KB          4KB
[  253.062502] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  253.062510] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  253.062557]  skb_clone+0x1bb/0x500
[  253.067869] inet_peer_cache            0KB          4KB
[  253.071993]  ? finish_task_switch+0x615/0x910
[  253.072006]  ? skb_split+0x11e0/0x11e0
[  253.072020]  ? preempt_notifier_register+0x200/0x200
[  253.077525] ip_fib_trie               11KB         15KB
[  253.081491]  ? __switch_to_asm+0x34/0x70
[  253.081504]  ? __switch_to_asm+0x34/0x70
[  253.081518]  ? __switch_to_asm+0x40/0x70
[  253.086872] ip_fib_alias              51KB         59KB
[  253.091251]  ? __switch_to_asm+0x34/0x70
[  253.091261]  ? __switch_to_asm+0x40/0x70
[  253.091269]  ? __switch_to_asm+0x34/0x70
[  253.091281]  ? __switch_to_asm+0x40/0x70
[  253.096800] ip_dst_cache          325134KB     325140KB
[  253.101788]  ? __switch_to_asm+0x34/0x70
[  253.101800]  ? __switch_to_asm+0x34/0x70
[  253.101808]  ? __switch_to_asm+0x40/0x70
[  253.101820]  ? __switch_to_asm+0x34/0x70
[  253.107158] RAW                       40KB         43KB
[  253.110592]  bpf_clone_redirect+0xb9/0x490
[  253.110604]  ? __schedule+0x8d7/0x21d0
[  253.110621]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  253.115951] UDP                       16KB         26KB
[  253.120769]  ? __sched_text_start+0x8/0x8
[  253.120781]  ? retint_kernel+0x2d/0x2d
[  253.120801]  ? find_held_lock+0x36/0x1c0
[  253.126131] TCP                        8KB         11KB
[  253.131128]  ? lock_acquire+0x1ed/0x520
[  253.131156]  ? bpf_test_run+0x3ee/0x7a0
[  253.131170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.136589] hugetlbfs_inode_cache          2KB          7KB
[  253.142453]  ? check_preemption_disabled+0x48/0x280
[  253.142469]  ? kasan_check_read+0x11/0x20
[  253.142483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.147817] fscache_cookie_jar          1KB          7KB
[  253.151853]  ? rcu_softirq_qs+0x20/0x20
[  253.151867]  ? preempt_schedule+0x4d/0x60
[  253.151882]  ? ___preempt_schedule+0x16/0x18
[  253.157214] eventpoll_pwq              3KB         15KB
[  253.162215]  ? bpf_test_run+0x271/0x7a0
[  253.162236]  ? eth_type_trans+0x2ea/0x760
[  253.167583] eventpoll_epi              5KB         19KB
[  253.172580]  ? netlink_diag_dump+0x2a0/0x2a0
[  253.172594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.172623]  ? bpf_test_init.isra.10+0x70/0x100
[  253.177432] inotify_inode_mark          6KB         23KB
[  253.182864]  ? bpf_prog_test_run_skb+0x762/0xd60
[  253.182877]  ? apparmor_cred_transfer+0x590/0x590
[  253.182894]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  253.187878] request_queue            164KB        164KB
[  253.193225]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.193236]  ? fput+0x130/0x1a0
[  253.193251]  ? __bpf_prog_get+0x9b/0x290
[  253.198272] blkdev_ioc                 5KB         19KB
[  253.201774]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  253.207109] bio-0                     73KB        101KB
[  253.212622]  ? bpf_prog_test_run+0x130/0x1a0
[  253.212637]  ? __x64_sys_bpf+0x3d8/0x520
[  253.212651]  ? bpf_prog_get+0x20/0x20
[  253.217987] biovec-max              1287KB       1287KB
[  253.223082]  ? do_syscall_64+0x1b9/0x820
[  253.223096]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.228447] biovec-64                 55KB         55KB
[  253.233253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.238606] biovec-16                  3KB          7KB
[  253.242803]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.248155] bio_integrity_payload          1KB          7KB
[  253.250355]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.255686] khugepaged_mm_slot          0KB          7KB
[  253.260593]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  253.260604]  ? __switch_to_asm+0x40/0x70
[  253.260617]  ? __switch_to_asm+0x34/0x70
[  253.279543] dmaengine-unmap-256          2KB          6KB
[  253.284871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.292566] dmaengine-unmap-128          1KB          3KB
[  253.299805]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.299884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.307069] dmaengine-unmap-16          0KB          4KB
[  253.314387] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.314394] syz-executor4 cpuset=syz4 mems_allowed=0
[  253.314416] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  253.314422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.314426] Call Trace:
[  253.314431]  <IRQ>
[  253.314443]  dump_stack+0x244/0x39d
[  253.314459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.314501]  warn_alloc.cold.116+0xb7/0x1bd
[  253.314514]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.314543]  ? lock_downgrade+0x900/0x900
[  253.314563]  ? trace_hardirqs_off+0xb8/0x310
[  253.314582]  ? trace_hardirqs_off+0xb8/0x310
[  253.314602]  __alloc_pages_slowpath+0x2651/0x2de0
[  253.314640]  ? warn_alloc+0x120/0x120
[  253.314654]  ? print_usage_bug+0xc0/0xc0
[  253.314666]  ? warn_alloc+0x120/0x120
[  253.314680]  ? warn_alloc+0x120/0x120
[  253.314694]  ? print_usage_bug+0xc0/0xc0
[  253.314710]  ? kvm_clock_read+0x18/0x30
[  253.348094] dmaengine-unmap-2          0KB          3KB
[  253.351759]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  253.356831] skbuff_fclone_cache         40KB         48KB
[  253.362173]  ? print_usage_bug+0xc0/0xc0
[  253.362188]  ? __lock_acquire+0x62f/0x4c20
[  253.362207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.387849] skbuff_head_cache     415721KB     415721KB
[  253.391773]  ? should_fail+0x22d/0xd01
[  253.391784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.391799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.395838] configfs_dir_cache          0KB          4KB
[  253.401187]  ? __lock_acquire+0x62f/0x4c20
[  253.401202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.401217]  ? __lock_acquire+0x62f/0x4c20
[  253.405248] file_lock_cache            0KB          3KB
[  253.409283]  ? should_fail+0x22d/0xd01
[  253.409293]  ? rcu_irq_exit+0x1a2/0x390
[  253.409312]  ? mark_held_locks+0x130/0x130
[  253.413339] file_lock_ctx              0KB          3KB
[  253.417382]  ? mark_held_locks+0x130/0x130
[  253.422731] fsnotify_mark_connector          3KB         15KB
[  253.426932]  ? mark_held_locks+0xc7/0x130
[  253.430806] net_namespace             51KB         51KB
[  253.435777]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.435791]  ? zap_class+0x640/0x640
[  253.441145] shmem_inode_cache       4490KB       4593KB
[  253.445273]  ? print_usage_bug+0xc0/0xc0
[  253.449152] task_delay_info           41KB        187KB
[  253.453178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.458534] taskstats                  0KB          7KB
[  253.462477]  ? check_preemption_disabled+0x48/0x280
[  253.466422] proc_dir_entry           581KB        588KB
[  253.471943]  ? __lock_is_held+0xb5/0x140
[  253.471961]  __alloc_pages_nodemask+0xad8/0xea0
[  253.477642] pde_opener                 0KB          3KB
[  253.482632]  ? zap_class+0x640/0x640
[  253.482647]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  253.482667]  ? find_held_lock+0x36/0x1c0
[  253.486785] seq_file                   0KB          3KB
[  253.492045]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.492060]  ? lock_downgrade+0x900/0x900
[  253.497497] sigqueue                   3KB         11KB
[  253.501471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.501508]  cache_grow_begin+0xa5/0x8c0
[  253.505625] kernfs_node_cache      11640KB      11651KB
[  253.510007]  ? do_raw_spin_unlock+0xa7/0x330
[  253.510024]  fallback_alloc+0x204/0x2e0
[  253.510041]  ____cache_alloc_node+0x1c7/0x1e0
[  253.515372] mnt_cache                 77KB         92KB
[  253.519326]  kmem_cache_alloc_node+0xe3/0x730
[  253.519338]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.519359]  __alloc_skb+0x119/0x770
[  253.523467] filp                     263KB        645KB
[  253.528801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.528817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.528831]  ? lock_downgrade+0x900/0x900
[  253.533210] names_cache              395KB        395KB
[  253.538726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.538736]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.538751]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.543387] iint_cache                74KB         79KB
[  253.548812]  ? addrconf_rs_timer+0x690/0x690
[  253.548837]  ndisc_alloc_skb+0x144/0x340
[  253.553565] key_jar                    3KB          7KB
[  253.558384]  ndisc_send_rs+0x331/0x6e0
[  253.558403]  addrconf_rs_timer+0x314/0x690
[  253.563211] uts_namespace              2KB          7KB
[  253.568552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.568573]  call_timer_fn+0x272/0x920
[  253.574084] nsproxy                    1KB          3KB
[  253.577359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.581415] vm_area_struct           372KB        870KB
[  253.586744]  ? process_timeout+0x40/0x40
[  253.591585] mm_struct                 53KB        156KB
[  253.596915]  ? __run_timers+0x7da/0xc70
[  253.601310] fs_cache                   8KB         56KB
[  253.605336]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.609139] files_cache               30KB         78KB
[  253.614462]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.618536] signal_cache             291KB        725KB
[  253.623858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.623873]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.629224] sighand_cache            464KB        492KB
[  253.634204]  ? trace_hardirqs_on+0xbd/0x310
[  253.639560] task_struct             1324KB       1324KB
[  253.644555]  ? kasan_check_read+0x11/0x20
[  253.644567]  ? __run_timers+0x7da/0xc70
[  253.650267] cred_jar                  60KB        440KB
[  253.655245]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.660678] anon_vma_chain           125KB        433KB
[  253.667305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.671351] anon_vma                 120KB        454KB
[  253.675377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.680911] pid                       26KB        180KB
[  253.685713]  __run_timers+0x7e5/0xc70
[  253.691237] Acpi-Operand             106KB        162KB
[  253.696565]  ? timer_fixup_init+0x70/0x70
[  253.703047] Acpi-Namespace            19KB         23KB
[  253.708459]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.708471]  ? zap_class+0x640/0x640
[  253.708498]  ? enqueue_hrtimer+0x1a5/0x560
[  253.718977] numa_policy                0KB          3KB
[  253.724044]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.731302] debug_objects_cache       9551KB       9551KB
[  253.740624]  ? find_held_lock+0x36/0x1c0
[  253.740642]  ? zap_class+0x640/0x640
[  253.743194] trace_event_file         260KB        262KB
[  253.745325]  ? pvclock_read_flags+0x160/0x160
[  253.748942] ftrace_event_field        376KB        381KB
[  253.754097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.758403] pool_workqueue            87KB         92KB
[  253.763207]  ? check_preemption_disabled+0x48/0x280
[  253.767322] task_group                 5KB          7KB
[  253.771709]  ? __lock_is_held+0xb5/0x140
[  253.771724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.776103] page->ptl                 74KB        407KB
[  253.780923]  ? check_preemption_disabled+0x48/0x280
[  253.780939]  run_timer_softirq+0x52/0xb0
[  253.780953]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.784760] kmalloc-2M              2050KB       2050KB
[  253.788779]  __do_softirq+0x308/0xb7e
[  253.788792]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  253.788805]  ? lock_downgrade+0x900/0x900
[  253.792576] kmalloc-512k            2056KB       2056KB
[  253.796358]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.800428] kmalloc-256k            1290KB       1290KB
[  253.804377]  ? pvclock_read_flags+0x160/0x160
[  253.809723] kmalloc-128k             650KB        650KB
[  253.814704]  ? lapic_next_event+0x5a/0x90
[  253.820229] kmalloc-64k              330KB        330KB
[  253.824260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.828483] kmalloc-32k             1221KB       1221KB
[  253.833996]  ? kvm_clock_read+0x18/0x30
[  253.839348] kmalloc-16k              396KB        396KB
[  253.843200]  ? kvm_sched_clock_read+0x9/0x20
[  253.848490] kmalloc-8k              1831KB       1831KB
[  253.853556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.859009] kmalloc-4k              6196KB       6196KB
[  253.863206]  ? check_preemption_disabled+0x48/0x280
[  253.868294] kmalloc-2k           2767714KB    2767725KB
[  253.872505]  irq_exit+0x17f/0x1c0
[  253.877834] kmalloc-1k           1496037KB    1496037KB
[  253.881701]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.881713]  ? smp_reschedule_interrupt+0x109/0x650
[  253.881729]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.885675] kmalloc-512             1733KB       3408KB
[  253.889898]  ? interrupt_entry+0xb5/0xc0
[  253.889912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.889926]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.895259] kmalloc-256             2520KB       3022KB
[  253.899480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.899498]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.905350] kmalloc-128              518KB        889KB
[  253.909486]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.909497]  ? task_prio+0x50/0x50
[  253.909512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.914845] kmalloc-96               601KB       1680KB
[  253.919838]  ? check_preemption_disabled+0x48/0x280
[  253.919852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.919870]  apic_timer_interrupt+0xf/0x20
[  253.923553] kmalloc-64              1311KB       1696KB
[  253.928885]  </IRQ>
[  253.928899] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.928915] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  253.932947] kmalloc-32               967KB       1665KB
[  253.938280] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  253.938293] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  253.938299] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  253.938309] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  253.943821] kmalloc-192              679KB        888KB
[  253.949153] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  253.949162] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  253.949202]  skb_clone+0x1bb/0x500
[  253.954175] kmem_cache               243KB        247KB
[  253.959519]  ? finish_task_switch+0x615/0x910
[  253.959532]  ? skb_split+0x11e0/0x11e0
[  253.959547]  ? preempt_notifier_register+0x200/0x200
[  253.963577] Out of memory: Kill process 5934 (syz-fuzzer) score 27 or sacrifice child
[  253.968216]  ? __switch_to_asm+0x34/0x70
[  253.968228]  ? __switch_to_asm+0x34/0x70
[  253.968241]  ? __switch_to_asm+0x40/0x70
[  253.973630] Killed process 5959 (syz-executor1) total-vm:70212kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB
[  253.977266]  ? __switch_to_asm+0x34/0x70
[  253.977277]  ? __switch_to_asm+0x40/0x70
[  253.982535] oom_reaper: reaped process 5959 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[  253.986294]  ? __switch_to_asm+0x34/0x70
[  253.986305]  ? __switch_to_asm+0x40/0x70
[  253.996011] rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[  253.996290]  ? __switch_to_asm+0x34/0x70
[  254.000435] rsyslogd cpuset=/ mems_allowed=0
[  254.005760]  ? __switch_to_asm+0x34/0x70
[  254.763101]  ? __switch_to_asm+0x40/0x70
[  254.767150]  ? __switch_to_asm+0x34/0x70
[  254.771230]  bpf_clone_redirect+0xb9/0x490
[  254.775478]  ? __schedule+0x8d7/0x21d0
[  254.779362]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  254.784381]  ? __sched_text_start+0x8/0x8
[  254.788526]  ? retint_kernel+0x2d/0x2d
[  254.792421]  ? find_held_lock+0x36/0x1c0
[  254.796478]  ? lock_acquire+0x1ed/0x520
[  254.800445]  ? bpf_test_run+0x3ee/0x7a0
[  254.804417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.809947]  ? check_preemption_disabled+0x48/0x280
[  254.814969]  ? kasan_check_read+0x11/0x20
[  254.819111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.824378]  ? rcu_softirq_qs+0x20/0x20
[  254.828357]  ? preempt_schedule+0x4d/0x60
[  254.832504]  ? ___preempt_schedule+0x16/0x18
[  254.836911]  ? bpf_test_run+0x271/0x7a0
[  254.840882]  ? eth_type_trans+0x2ea/0x760
[  254.845021]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.849429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.854958]  ? bpf_test_init.isra.10+0x70/0x100
[  254.859621]  ? bpf_prog_test_run_skb+0x762/0xd60
[  254.864379]  ? apparmor_cred_transfer+0x590/0x590
[  254.869232]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.874071]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.879595]  ? fput+0x130/0x1a0
[  254.882868]  ? __bpf_prog_get+0x9b/0x290
[  254.886924]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.891754]  ? bpf_prog_test_run+0x130/0x1a0
[  254.896159]  ? __x64_sys_bpf+0x3d8/0x520
[  254.900209]  ? bpf_prog_get+0x20/0x20
[  254.904037]  ? do_syscall_64+0x1b9/0x820
[  254.908084]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.913456]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.918378]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.923403]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.928418]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  254.935076]  ? __switch_to_asm+0x40/0x70
[  254.939128]  ? __switch_to_asm+0x34/0x70
[  254.943189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.948033]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.953411] warn_alloc_show_mem: 1 callbacks suppressed
[  254.953419] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  254.953421] Mem-Info:
[  254.953460] active_anon:46284 inactive_anon:276 isolated_anon:0
[  254.953460]  active_file:13 inactive_file:11 isolated_file:0
[  254.953460]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.953460]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  254.953460]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  254.953460]  free:13741 free_pcp:339 free_cma:0
[  254.958784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.958792] Call Trace:
[  254.965623] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.968011]  dump_stack+0x244/0x39d
[  255.000866] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.010211]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.012765] lowmem_reserve[]: 0 2818 6321 6321
[  255.040428]  ? mark_held_locks+0x130/0x130
[  255.044021] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  255.070126]  ? mark_held_locks+0x130/0x130
[  255.075279] lowmem_reserve[]: 0 0 3503 3503
[  255.079852]  dump_header+0x27b/0xf72
[  255.084051] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:436kB free_cma:0kB
[  255.111815]  ? pagefault_out_of_memory+0x197/0x197
[  255.116011] lowmem_reserve[]: 0 0 0 0
[  255.120321]  ? __lock_acquire+0x62f/0x4c20
[  255.123999] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  255.153044]  ? percpu_ref_get_many+0x240/0x240
[  255.157937] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  255.161718]  ? print_usage_bug+0xc0/0xc0
[  255.165917] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  255.179436]  ? zap_class+0x640/0x640
[  255.184006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  255.199150]  ? print_usage_bug+0xc0/0xc0
[  255.203181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  255.218065]  ? print_usage_bug+0xc0/0xc0
[  255.221744] 358 total pagecache pages
[  255.230560]  ? zap_class+0x640/0x640
[  255.234591] 0 pages in swap cache
[  255.243144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.247177] Swap cache stats: add 0, delete 0, find 0/0
[  255.250958]  ? find_held_lock+0x36/0x1c0
[  255.254640] Free swap  = 0kB
[  255.258077]  ? mark_held_locks+0xc7/0x130
[  255.263576] Total swap = 0kB
[  255.268917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  255.272945] 1965979 pages RAM
[  255.276050]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  255.280158] 0 pages HighMem/MovableOnly
[  255.280165] 342854 pages reserved
[  255.283161]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.288227] 0 pages cma reserved
[  255.288295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.291324]  ? trace_hardirqs_on+0xbd/0x310
[  255.296458] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.300368]  ? kasan_check_read+0x11/0x20
[  255.300380]  ? ___ratelimit+0x3b4/0x672
[  255.303890] syz-executor4 cpuset=syz4 mems_allowed=0
[  255.308454]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.351245]  ? trace_hardirqs_on+0x310/0x310
[  255.355651]  ? lock_downgrade+0x900/0x900
[  255.359805]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.364897]  ? ___ratelimit+0x3b9/0x672
[  255.368869]  ? idr_get_free+0xf70/0xf70
[  255.372833]  ? find_held_lock+0x36/0x1c0
[  255.376928]  oom_kill_process.cold.27+0x10/0x903
[  255.381686]  ? zap_class+0x640/0x640
[  255.385392]  ? check_preemption_disabled+0x48/0x280
[  255.390407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.395358]  ? kasan_check_read+0x11/0x20
[  255.399508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.404778]  ? oom_evaluate_task+0x540/0x540
[  255.409191]  ? find_held_lock+0x36/0x1c0
[  255.413244]  ? out_of_memory+0x974/0x1430
[  255.417380]  ? lock_downgrade+0x900/0x900
[  255.421519]  ? check_preemption_disabled+0x48/0x280
[  255.426524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.431438]  ? kasan_check_read+0x11/0x20
[  255.435584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.440875]  ? rcu_softirq_qs+0x20/0x20
[  255.444871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.450401]  ? oom_evaluate_task+0x302/0x540
[  255.454835]  out_of_memory+0xa84/0x1430
[  255.458828]  ? oom_killer_disable+0x3a0/0x3a0
[  255.463316]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  255.468260]  ? __ww_mutex_check_waiters+0x160/0x160
[  255.473285]  __alloc_pages_slowpath+0x232c/0x2de0
[  255.478157]  ? warn_alloc+0x120/0x120
[  255.481948]  ? mark_held_locks+0x130/0x130
[  255.486228]  ? find_get_entry+0xaae/0x1120
[  255.490631]  ? filemap_map_pages+0x1a20/0x1a20
[  255.495235]  ? zap_class+0x640/0x640
[  255.498941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.504590]  ? check_preemption_disabled+0x48/0x280
[  255.509652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.515222]  ? should_fail+0x22d/0xd01
[  255.519128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.524224]  ? zap_class+0x640/0x640
[  255.527947]  ? __lock_is_held+0xb5/0x140
[  255.532036]  ? mark_held_locks+0x130/0x130
[  255.536290]  ? lock_release+0xa00/0xa00
[  255.540270]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.545742]  ? xa_load+0x2ba/0x460
[  255.549297]  ? lock_downgrade+0x900/0x900
[  255.553445]  ? __might_sleep+0x95/0x190
[  255.557411]  __alloc_pages_nodemask+0xad8/0xea0
[  255.562136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  255.567170]  ? __page_cache_alloc+0x191/0x5c0
[  255.571685]  ? xa_load+0x2e1/0x460
[  255.575219]  ? xa_clear_mark+0x40/0x40
[  255.579100]  ? zap_class+0x640/0x640
[  255.582829]  ? zap_class+0x640/0x640
[  255.586535]  ? zap_class+0x640/0x640
[  255.590291]  ? __do_page_cache_readahead+0x663/0x810
[  255.595418]  ? find_held_lock+0x36/0x1c0
[  255.599475]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  255.605060]  alloc_pages_current+0x173/0x350
[  255.609487]  __page_cache_alloc+0x38c/0x5c0
[  255.613828]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.618937]  ? kasan_check_read+0x11/0x20
[  255.623169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.628459]  ? generic_perform_write+0x6a0/0x6a0
[  255.633213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.638759]  ? check_preemption_disabled+0x48/0x280
[  255.643836]  filemap_fault+0x1595/0x25f0
[  255.647967]  ? __lock_page_or_retry+0xa00/0xa00
[  255.652668]  ? mark_held_locks+0x130/0x130
[  255.656925]  ? filemap_map_pages+0xd6b/0x1a20
[  255.661462]  ? lock_downgrade+0x900/0x900
[  255.665628]  ? check_preemption_disabled+0x48/0x280
[  255.670653]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.675594]  ? kasan_check_read+0x11/0x20
[  255.679774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.685047]  ? rcu_softirq_qs+0x20/0x20
[  255.689030]  ? filemap_map_pages+0xd92/0x1a20
[  255.693530]  ? find_get_entries_tag+0x1400/0x1400
[  255.698365]  ? __kernel_text_address+0xd/0x40
[  255.702892]  ? unwind_get_return_address+0x61/0xa0
[  255.707914]  ? lock_acquire+0x1ed/0x520
[  255.711911]  ? ext4_filemap_fault+0x7a/0xad
[  255.716239]  ? lock_release+0xa00/0xa00
[  255.720215]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.725660]  ? print_usage_bug+0xc0/0xc0
[  255.729734]  ? print_usage_bug+0xc0/0xc0
[  255.733833]  ? __x64_sys_read+0x73/0xb0
[  255.737846]  ? print_usage_bug+0xc0/0xc0
[  255.741911]  ? down_read+0x8d/0x120
[  255.745531]  ? ext4_filemap_fault+0x7a/0xad
[  255.749882]  ? __down_interruptible+0x700/0x700
[  255.754573]  ext4_filemap_fault+0x82/0xad
[  255.758723]  __do_fault+0x100/0x6b0
[  255.762346]  ? trace_hardirqs_on+0xbd/0x310
[  255.766661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.771755]  ? mark_held_locks+0x130/0x130
[  255.776018]  ? mark_held_locks+0x130/0x130
[  255.780273]  ? do_syslog+0x147b/0x1690
[  255.784151]  ? do_syslog+0x309/0x1690
[  255.788149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.793778]  __handle_mm_fault+0x3ea0/0x5be0
[  255.798266]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  255.803132]  ? find_held_lock+0x36/0x1c0
[  255.807202]  ? zap_class+0x640/0x640
[  255.810938]  ? zap_class+0x640/0x640
[  255.814670]  ? find_held_lock+0x36/0x1c0
[  255.818738]  ? handle_mm_fault+0x42a/0xc70
[  255.822964]  ? lock_downgrade+0x900/0x900
[  255.827140]  ? check_preemption_disabled+0x48/0x280
[  255.832171]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.837127]  ? kasan_check_read+0x11/0x20
[  255.841331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.846671]  ? rcu_softirq_qs+0x20/0x20
[  255.850675]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.855770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.861308]  ? check_preemption_disabled+0x48/0x280
[  255.866328]  handle_mm_fault+0x54f/0xc70
[  255.870416]  ? __handle_mm_fault+0x5be0/0x5be0
[  255.875009]  ? find_vma+0x34/0x190
[  255.878550]  __do_page_fault+0x5e8/0xe60
[  255.882606]  ? trace_hardirqs_off+0xb8/0x310
[  255.887014]  ? kernel_write+0x120/0x120
[  255.890983]  do_page_fault+0xf2/0x7e0
[  255.894772]  ? vmalloc_sync_all+0x30/0x30
[  255.898915]  ? error_entry+0x70/0xd0
[  255.902632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.907648]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.912568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.917484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.922320]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.927326]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.932783]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  255.937793]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.942798]  ? page_fault+0x8/0x30
[  255.946340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.951177]  ? page_fault+0x8/0x30
[  255.954704]  page_fault+0x1e/0x30
[  255.958164] RIP: 0033:0x7f71188e71fd
[  255.961884] Code: Bad RIP value.
[  255.965243] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  255.970592] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  255.977846] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  255.985110] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  255.992369] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  255.999624] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  256.006908] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  256.007213] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.014168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.014173] Call Trace:
[  256.014181]  <IRQ>
[  256.014196]  dump_stack+0x244/0x39d
[  256.024427] rsyslogd cpuset=/ mems_allowed=0
[  256.033775]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.051702]  warn_alloc.cold.116+0xb7/0x1bd
[  256.056033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.060869]  ? lock_downgrade+0x900/0x900
[  256.065012]  ? trace_hardirqs_off+0xb8/0x310
[  256.069408]  ? trace_hardirqs_off+0xb8/0x310
[  256.073809]  __alloc_pages_slowpath+0x2651/0x2de0
[  256.078751]  ? warn_alloc+0x120/0x120
[  256.082541]  ? print_usage_bug+0xc0/0xc0
[  256.086603]  ? warn_alloc+0x120/0x120
[  256.090394]  ? warn_alloc+0x120/0x120
[  256.094181]  ? print_usage_bug+0xc0/0xc0
[  256.098234]  ? print_usage_bug+0xc0/0xc0
[  256.102311]  ? __lock_acquire+0x62f/0x4c20
[  256.106538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.112060]  ? should_fail+0x22d/0xd01
[  256.115941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.121035]  ? __lock_acquire+0x62f/0x4c20
[  256.125272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.130399]  ? __lock_acquire+0x62f/0x4c20
[  256.134623]  ? should_fail+0x22d/0xd01
[  256.138495]  ? find_held_lock+0x36/0x1c0
[  256.142548]  ? mark_held_locks+0x130/0x130
[  256.146774]  ? mark_held_locks+0x130/0x130
[  256.150993]  ? zap_class+0x640/0x640
[  256.154705]  ? zap_class+0x640/0x640
[  256.158404]  ? print_usage_bug+0xc0/0xc0
[  256.162464]  ? do_raw_spin_unlock+0xa7/0x330
[  256.166862]  ? zap_class+0x640/0x640
[  256.170559]  ? print_usage_bug+0xc0/0xc0
[  256.174606]  ? wq_watchdog_touch+0x9c/0xfe
[  256.178828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.184350]  ? check_preemption_disabled+0x48/0x280
[  256.189358]  ? __lock_is_held+0xb5/0x140
[  256.193412]  __alloc_pages_nodemask+0xad8/0xea0
[  256.198069]  ? zap_class+0x640/0x640
[  256.201777]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  256.206788]  ? find_held_lock+0x36/0x1c0
[  256.210840]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.215499]  ? lock_downgrade+0x900/0x900
[  256.219640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.225164]  cache_grow_begin+0xa5/0x8c0
[  256.229208]  ? do_raw_spin_unlock+0xa7/0x330
[  256.233609]  fallback_alloc+0x204/0x2e0
[  256.237574]  ____cache_alloc_node+0x1c7/0x1e0
[  256.242056]  kmem_cache_alloc_node+0xe3/0x730
[  256.246546]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.250779]  __alloc_skb+0x119/0x770
[  256.254506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.259785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.264198]  ? lock_downgrade+0x900/0x900
[  256.268340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.273873]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.279332]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.284766]  ? addrconf_rs_timer+0x690/0x690
[  256.289166]  ndisc_alloc_skb+0x144/0x340
[  256.293235]  ndisc_send_rs+0x331/0x6e0
[  256.297113]  addrconf_rs_timer+0x314/0x690
[  256.301337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.305578]  call_timer_fn+0x272/0x920
[  256.309461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.313682]  ? process_timeout+0x40/0x40
[  256.317737]  ? __run_timers+0x7da/0xc70
[  256.321697]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.326178]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.330663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.334890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.339464]  ? trace_hardirqs_on+0xbd/0x310
[  256.343778]  ? kasan_check_read+0x11/0x20
[  256.347910]  ? __run_timers+0x7da/0xc70
[  256.351875]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.356970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.361198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.365429]  __run_timers+0x7e5/0xc70
[  256.369228]  ? timer_fixup_init+0x70/0x70
[  256.373363]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.378365]  ? zap_class+0x640/0x640
[  256.382098]  ? enqueue_hrtimer+0x1a5/0x560
[  256.386337]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.391515]  ? find_held_lock+0x36/0x1c0
[  256.395567]  ? zap_class+0x640/0x640
[  256.399277]  ? pvclock_read_flags+0x160/0x160
[  256.403760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.409292]  ? check_preemption_disabled+0x48/0x280
[  256.414303]  ? __lock_is_held+0xb5/0x140
[  256.418355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.423882]  ? check_preemption_disabled+0x48/0x280
[  256.428902]  run_timer_softirq+0x52/0xb0
[  256.432947]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.437950]  __do_softirq+0x308/0xb7e
[  256.441739]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.446223]  ? lock_downgrade+0x900/0x900
[  256.450389]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.455483]  ? pvclock_read_flags+0x160/0x160
[  256.459968]  ? lapic_next_event+0x5a/0x90
[  256.464101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.469645]  ? kvm_clock_read+0x18/0x30
[  256.473604]  ? kvm_sched_clock_read+0x9/0x20
[  256.478002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.483527]  ? check_preemption_disabled+0x48/0x280
[  256.488535]  irq_exit+0x17f/0x1c0
[  256.491975]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.496801]  ? smp_reschedule_interrupt+0x109/0x650
[  256.501897]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.507766]  ? interrupt_entry+0xb5/0xc0
[  256.511819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.516822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.521826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.526652]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.532178]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.537179]  ? task_prio+0x50/0x50
[  256.540704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.546225]  ? check_preemption_disabled+0x48/0x280
[  256.551253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.556088]  apic_timer_interrupt+0xf/0x20
[  256.560303]  </IRQ>
[  256.562536] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.567454] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  256.586432] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  256.594127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  256.601382] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  256.608636] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  256.615892] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  256.623154] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  256.630463]  skb_clone+0x1bb/0x500
[  256.633996]  ? finish_task_switch+0x615/0x910
[  256.638481]  ? skb_split+0x11e0/0x11e0
[  256.642356]  ? preempt_notifier_register+0x200/0x200
[  256.647443]  ? __switch_to_asm+0x34/0x70
[  256.651491]  ? __switch_to_asm+0x34/0x70
[  256.655540]  ? __switch_to_asm+0x40/0x70
[  256.659585]  ? __switch_to_asm+0x34/0x70
[  256.663628]  ? __switch_to_asm+0x40/0x70
[  256.667677]  ? __switch_to_asm+0x34/0x70
[  256.671724]  ? __switch_to_asm+0x40/0x70
[  256.675775]  ? __switch_to_asm+0x34/0x70
[  256.679823]  ? __switch_to_asm+0x34/0x70
[  256.683871]  ? __switch_to_asm+0x40/0x70
[  256.687915]  ? __switch_to_asm+0x34/0x70
[  256.691969]  bpf_clone_redirect+0xb9/0x490
[  256.696191]  ? __schedule+0x8d7/0x21d0
[  256.700199]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  256.705214]  ? __sched_text_start+0x8/0x8
[  256.709361]  ? retint_kernel+0x2d/0x2d
[  256.713254]  ? find_held_lock+0x36/0x1c0
[  256.717307]  ? lock_acquire+0x1ed/0x520
[  256.721269]  ? bpf_test_run+0x3ee/0x7a0
[  256.725240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.730794]  ? check_preemption_disabled+0x48/0x280
[  256.735821]  ? kasan_check_read+0x11/0x20
[  256.739960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.745239]  ? rcu_softirq_qs+0x20/0x20
[  256.749222]  ? preempt_schedule+0x4d/0x60
[  256.753378]  ? ___preempt_schedule+0x16/0x18
[  256.757781]  ? bpf_test_run+0x271/0x7a0
[  256.761749]  ? eth_type_trans+0x2ea/0x760
[  256.765887]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.770399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.775921]  ? bpf_test_init.isra.10+0x70/0x100
[  256.780583]  ? bpf_prog_test_run_skb+0x762/0xd60
[  256.785335]  ? apparmor_cred_transfer+0x590/0x590
[  256.790171]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.795009]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.800534]  ? fput+0x130/0x1a0
[  256.803806]  ? __bpf_prog_get+0x9b/0x290
[  256.807861]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.812704]  ? bpf_prog_test_run+0x130/0x1a0
[  256.817101]  ? __x64_sys_bpf+0x3d8/0x520
[  256.821151]  ? bpf_prog_get+0x20/0x20
[  256.824954]  ? do_syscall_64+0x1b9/0x820
[  256.829002]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.834355]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.839278]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.844282]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.849294]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  256.855947]  ? __switch_to_asm+0x40/0x70
[  256.859997]  ? __switch_to_asm+0x34/0x70
[  256.864055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.868897]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.874258] Mem-Info:
[  256.874267] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  256.874277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.876681] active_anon:46284 inactive_anon:276 isolated_anon:0
[  256.876681]  active_file:13 inactive_file:11 isolated_file:0
[  256.876681]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.876681]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  256.876681]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  256.876681]  free:13741 free_pcp:339 free_cma:0
[  256.883482] Call Trace:
[  256.892958] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.925789]  <IRQ>
[  256.928345] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  256.956001]  dump_stack+0x244/0x39d
[  256.958120] lowmem_reserve[]: 0 2818 6321 6321
[  256.984236]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.987825] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  256.992396]  warn_alloc.cold.116+0xb7/0x1bd
[  256.997541] lowmem_reserve[]: 0 0 3503 3503
[  257.025284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.029572] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:436kB free_cma:0kB
[  257.033888]  ? lock_downgrade+0x900/0x900
[  257.038697] lowmem_reserve[]: 0 0 0 0
[  257.067853]  ? trace_hardirqs_off+0xb8/0x310
[  257.071964] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  257.075751]  ? trace_hardirqs_off+0xb8/0x310
[  257.080120] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  257.093633]  __alloc_pages_slowpath+0x2651/0x2de0
[  257.098004] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  257.113174]  ? warn_alloc+0x120/0x120
[  257.118072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.132957]  ? warn_alloc+0x120/0x120
[  257.136734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.145553]  ? warn_alloc+0x120/0x120
[  257.149317] 358 total pagecache pages
[  257.157892]  ? print_usage_bug+0xc0/0xc0
[  257.161660] 0 pages in swap cache
[  257.165448]  ? find_held_lock+0x36/0x1c0
[  257.169474] Swap cache stats: add 0, delete 0, find 0/0
[  257.169481] Free swap  = 0kB
[  257.172915]  ? print_usage_bug+0xc0/0xc0
[  257.176937] Total swap = 0kB
[  257.176944] 1965979 pages RAM
[  257.182286]  ? zap_class+0x640/0x640
[  257.185267] 0 pages HighMem/MovableOnly
[  257.185274] 342854 pages reserved
[  257.189331]  ? get_stack_info+0x37/0x142
[  257.192321] 0 pages cma reserved
[  257.195405]  ? zap_class+0x640/0x640
[  257.199149] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.203043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.206511] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.210512]  ? should_fail+0x22d/0xd01
[  257.213866] syz-executor4 cpuset=syz4 mems_allowed=0
[  257.217565]  ? find_held_lock+0x36/0x1c0
[  257.253008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.258106]  ? __lock_acquire+0x62f/0x4c20
[  257.262347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.267440]  ? should_fail+0x22d/0xd01
[  257.271314]  ? find_held_lock+0x36/0x1c0
[  257.275371]  ? mark_held_locks+0x130/0x130
[  257.279602]  ? mark_held_locks+0x130/0x130
[  257.283824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.288745]  ? kasan_check_read+0x11/0x20
[  257.292888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.298153]  ? zap_class+0x640/0x640
[  257.301855]  ? rcu_softirq_qs+0x20/0x20
[  257.305902]  ? unwind_dump+0x190/0x190
[  257.309780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.315309]  ? check_preemption_disabled+0x48/0x280
[  257.320316]  ? __lock_is_held+0xb5/0x140
[  257.324368]  __alloc_pages_nodemask+0xad8/0xea0
[  257.329021]  ? zap_class+0x640/0x640
[  257.332721]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  257.337730]  ? find_held_lock+0x36/0x1c0
[  257.341785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.346440]  ? lock_downgrade+0x900/0x900
[  257.350578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.356115]  cache_grow_begin+0xa5/0x8c0
[  257.360160]  ? do_raw_spin_unlock+0xa7/0x330
[  257.364592]  fallback_alloc+0x204/0x2e0
[  257.368558]  ____cache_alloc_node+0x1c7/0x1e0
[  257.373042]  kmem_cache_alloc_node+0xe3/0x730
[  257.377542]  ? __kmalloc_node_track_caller+0x50/0x70
[  257.382636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.388166]  __alloc_skb+0x119/0x770
[  257.391873]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.397225]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.401622]  ? lock_acquire+0x1ed/0x520
[  257.405598]  ? aoecmd_cfg+0x108/0x7f0
[  257.409389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.414913]  ? check_preemption_disabled+0x48/0x280
[  257.419938]  ? kasan_check_read+0x11/0x20
[  257.424178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.429440]  ? rcu_softirq_qs+0x20/0x20
[  257.433404]  new_skb+0x26/0x1c0
[  257.436670]  aoecmd_cfg+0x279/0x7f0
[  257.440382]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  257.444694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.450222]  ? __lock_is_held+0xb5/0x140
[  257.454370]  discover_timer+0x50/0x60
[  257.458159]  call_timer_fn+0x272/0x920
[  257.462039]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  257.466878]  ? process_timeout+0x40/0x40
[  257.470934]  ? mark_held_locks+0xc7/0x130
[  257.475074]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.479555]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.484038]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  257.488869]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.493439]  ? trace_hardirqs_on+0xbd/0x310
[  257.497747]  ? kasan_check_read+0x11/0x20
[  257.501890]  ? __run_timers+0x7da/0xc70
[  257.505863]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.510964]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  257.515792]  __run_timers+0x7e5/0xc70
[  257.519592]  ? timer_fixup_init+0x70/0x70
[  257.523729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.528731]  ? zap_class+0x640/0x640
[  257.532436]  ? print_usage_bug+0xc0/0xc0
[  257.536484]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.541673]  ? find_held_lock+0x36/0x1c0
[  257.545727]  ? zap_class+0x640/0x640
[  257.549445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.554967]  ? check_preemption_disabled+0x48/0x280
[  257.559978]  ? __lock_is_held+0xb5/0x140
[  257.564031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.569555]  ? check_preemption_disabled+0x48/0x280
[  257.574563]  run_timer_softirq+0x52/0xb0
[  257.578610]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.583613]  __do_softirq+0x308/0xb7e
[  257.587406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.591897]  ? lock_downgrade+0x900/0x900
[  257.596037]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.601132]  ? pvclock_read_flags+0x160/0x160
[  257.605624]  ? lapic_next_event+0x5a/0x90
[  257.609763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.615293]  ? kvm_clock_read+0x18/0x30
[  257.619283]  ? kvm_sched_clock_read+0x9/0x20
[  257.623697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.629230]  ? check_preemption_disabled+0x48/0x280
[  257.634244]  irq_exit+0x17f/0x1c0
[  257.637691]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.642524]  ? smp_reschedule_interrupt+0x109/0x650
[  257.647533]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.653413]  ? interrupt_entry+0xb5/0xc0
[  257.657463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.662470]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.667480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.672312]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.677317]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.682339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.687180]  apic_timer_interrupt+0xf/0x20
[  257.691396]  </IRQ>
[  257.693624] RIP: 0010:dump_stack+0x358/0x39d
[  257.698022] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  257.716905] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  257.724595] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  257.731852] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  257.739107] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  257.746363] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  257.753616] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  257.760890]  ? dump_stack+0x34f/0x39d
[  257.764688]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.769869]  ? mark_held_locks+0x130/0x130
[  257.774088]  ? mark_held_locks+0x130/0x130
[  257.778327]  dump_header+0x27b/0xf72
[  257.782036]  ? pagefault_out_of_memory+0x197/0x197
[  257.786978]  ? __lock_acquire+0x62f/0x4c20
[  257.791200]  ? percpu_ref_get_many+0x240/0x240
[  257.795771]  ? print_usage_bug+0xc0/0xc0
[  257.799820]  ? zap_class+0x640/0x640
[  257.803527]  ? print_usage_bug+0xc0/0xc0
[  257.807576]  ? print_usage_bug+0xc0/0xc0
[  257.811626]  ? zap_class+0x640/0x640
[  257.815330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.820862]  ? find_held_lock+0x36/0x1c0
[  257.824920]  ? mark_held_locks+0xc7/0x130
[  257.829057]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  257.834154]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  257.839247]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  257.843839]  ? trace_hardirqs_on+0xbd/0x310
[  257.848154]  ? kasan_check_read+0x11/0x20
[  257.852287]  ? ___ratelimit+0x3b4/0x672
[  257.856251]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.861344]  ? trace_hardirqs_on+0x310/0x310
[  257.865740]  ? lock_downgrade+0x900/0x900
[  257.869877]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.874966]  ? ___ratelimit+0x3b9/0x672
[  257.878939]  ? idr_get_free+0xf70/0xf70
[  257.882900]  ? find_held_lock+0x36/0x1c0
[  257.886957]  oom_kill_process.cold.27+0x10/0x903
[  257.891702]  ? zap_class+0x640/0x640
[  257.895404]  ? check_preemption_disabled+0x48/0x280
[  257.900429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.905351]  ? kasan_check_read+0x11/0x20
[  257.909486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.914752]  ? oom_evaluate_task+0x540/0x540
[  257.919154]  ? find_held_lock+0x36/0x1c0
[  257.923208]  ? out_of_memory+0x974/0x1430
[  257.927342]  ? lock_downgrade+0x900/0x900
[  257.931475]  ? check_preemption_disabled+0x48/0x280
[  257.936483]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.941399]  ? kasan_check_read+0x11/0x20
[  257.945533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.950798]  ? rcu_softirq_qs+0x20/0x20
[  257.954760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.960293]  ? oom_evaluate_task+0x302/0x540
[  257.964693]  out_of_memory+0xa84/0x1430
[  257.968665]  ? oom_killer_disable+0x3a0/0x3a0
[  257.973157]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  257.978075]  ? __ww_mutex_check_waiters+0x160/0x160
[  257.983089]  __alloc_pages_slowpath+0x232c/0x2de0
[  257.987937]  ? warn_alloc+0x120/0x120
[  257.991724]  ? mark_held_locks+0x130/0x130
[  257.995951]  ? find_get_entry+0xaae/0x1120
[  258.000181]  ? filemap_map_pages+0x1a20/0x1a20
[  258.004762]  ? zap_class+0x640/0x640
[  258.008466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.014002]  ? check_preemption_disabled+0x48/0x280
[  258.019000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.024520]  ? should_fail+0x22d/0xd01
[  258.028397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.033486]  ? zap_class+0x640/0x640
[  258.037201]  ? __lock_is_held+0xb5/0x140
[  258.041256]  ? mark_held_locks+0x130/0x130
[  258.045476]  ? lock_release+0xa00/0xa00
[  258.049436]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.054869]  ? xa_load+0x2ba/0x460
[  258.058395]  ? lock_downgrade+0x900/0x900
[  258.062534]  ? __might_sleep+0x95/0x190
[  258.066498]  __alloc_pages_nodemask+0xad8/0xea0
[  258.071161]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  258.076170]  ? __page_cache_alloc+0x191/0x5c0
[  258.080649]  ? xa_load+0x2e1/0x460
[  258.084195]  ? xa_clear_mark+0x40/0x40
[  258.088075]  ? zap_class+0x640/0x640
[  258.091783]  ? zap_class+0x640/0x640
[  258.095485]  ? zap_class+0x640/0x640
[  258.099185]  ? __do_page_cache_readahead+0x663/0x810
[  258.104280]  ? find_held_lock+0x36/0x1c0
[  258.108332]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  258.113859]  alloc_pages_current+0x173/0x350
[  258.118257]  __page_cache_alloc+0x38c/0x5c0
[  258.122560]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.127475]  ? kasan_check_read+0x11/0x20
[  258.131629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.136913]  ? generic_perform_write+0x6a0/0x6a0
[  258.141656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.147181]  ? check_preemption_disabled+0x48/0x280
[  258.152195]  filemap_fault+0x1595/0x25f0
[  258.156260]  ? __lock_page_or_retry+0xa00/0xa00
[  258.160938]  ? mark_held_locks+0x130/0x130
[  258.165165]  ? filemap_map_pages+0xd6b/0x1a20
[  258.169649]  ? lock_downgrade+0x900/0x900
[  258.173784]  ? check_preemption_disabled+0x48/0x280
[  258.178791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.183724]  ? kasan_check_read+0x11/0x20
[  258.187866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.193138]  ? rcu_softirq_qs+0x20/0x20
[  258.197118]  ? filemap_map_pages+0xd92/0x1a20
[  258.201618]  ? find_get_entries_tag+0x1400/0x1400
[  258.206462]  ? __kernel_text_address+0xd/0x40
[  258.210941]  ? unwind_get_return_address+0x61/0xa0
[  258.215864]  ? lock_acquire+0x1ed/0x520
[  258.219821]  ? ext4_filemap_fault+0x7a/0xad
[  258.224134]  ? lock_release+0xa00/0xa00
[  258.228097]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.233535]  ? print_usage_bug+0xc0/0xc0
[  258.237579]  ? print_usage_bug+0xc0/0xc0
[  258.241629]  ? __x64_sys_read+0x73/0xb0
[  258.245596]  ? print_usage_bug+0xc0/0xc0
[  258.249657]  ? down_read+0x8d/0x120
[  258.253272]  ? ext4_filemap_fault+0x7a/0xad
[  258.257592]  ? __down_interruptible+0x700/0x700
[  258.262258]  ext4_filemap_fault+0x82/0xad
[  258.266396]  __do_fault+0x100/0x6b0
[  258.270009]  ? trace_hardirqs_on+0xbd/0x310
[  258.274320]  ? pmd_devmap_trans_unstable+0x220/0x220
[  258.279414]  ? mark_held_locks+0x130/0x130
[  258.283636]  ? mark_held_locks+0x130/0x130
[  258.287858]  ? do_syslog+0x147b/0x1690
[  258.291732]  ? do_syslog+0x309/0x1690
[  258.295518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.301045]  __handle_mm_fault+0x3ea0/0x5be0
[  258.305453]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  258.310291]  ? find_held_lock+0x36/0x1c0
[  258.314355]  ? zap_class+0x640/0x640
[  258.318056]  ? zap_class+0x640/0x640
[  258.321759]  ? find_held_lock+0x36/0x1c0
[  258.325811]  ? handle_mm_fault+0x42a/0xc70
[  258.330031]  ? lock_downgrade+0x900/0x900
[  258.334178]  ? check_preemption_disabled+0x48/0x280
[  258.339187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.344110]  ? kasan_check_read+0x11/0x20
[  258.348244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.353508]  ? rcu_softirq_qs+0x20/0x20
[  258.357474]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.362564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.368095]  ? check_preemption_disabled+0x48/0x280
[  258.373108]  handle_mm_fault+0x54f/0xc70
[  258.377264]  ? __handle_mm_fault+0x5be0/0x5be0
[  258.381846]  ? find_vma+0x34/0x190
[  258.385378]  __do_page_fault+0x5e8/0xe60
[  258.389426]  ? trace_hardirqs_off+0xb8/0x310
[  258.393818]  ? kernel_write+0x120/0x120
[  258.397781]  do_page_fault+0xf2/0x7e0
[  258.401569]  ? vmalloc_sync_all+0x30/0x30
[  258.405707]  ? error_entry+0x70/0xd0
[  258.409409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.414416]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.419334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.424246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.429074]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.434088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.439524]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.444547]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.449549]  ? page_fault+0x8/0x30
[  258.453098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.457930]  ? page_fault+0x8/0x30
[  258.461461]  page_fault+0x1e/0x30
[  258.464902] RIP: 0033:0x7f71188e71fd
[  258.468613] Code: Bad RIP value.
[  258.471972] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  258.477316] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  258.484571] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  258.491831] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  258.499091] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  258.506355] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  258.513617] Mem-Info:
[  258.513625] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  258.513634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.516037] active_anon:46284 inactive_anon:276 isolated_anon:0
[  258.516037]  active_file:13 inactive_file:11 isolated_file:0
[  258.516037]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.516037]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  258.516037]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  258.516037]  free:13741 free_pcp:339 free_cma:0
[  258.523272] Call Trace:
[  258.532812] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.565650]  <IRQ>
[  258.568204] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  258.595854]  dump_stack+0x244/0x39d
[  258.597966] lowmem_reserve[]: 0 2818 6321 6321
[  258.624058]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.627658] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  258.632235]  warn_alloc.cold.116+0xb7/0x1bd
[  258.637383] lowmem_reserve[]: 0 0 3503 3503
[  258.665038]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.669321] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  258.673654]  ? lock_downgrade+0x900/0x900
[  258.678457] lowmem_reserve[]: 0 0 0 0
[  258.707631]  ? trace_hardirqs_off+0xb8/0x310
[  258.711742] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  258.715526]  ? trace_hardirqs_off+0xb8/0x310
[  258.719897] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  258.733402]  __alloc_pages_slowpath+0x2651/0x2de0
[  258.737772] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  258.752961]  ? warn_alloc+0x120/0x120
[  258.757757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.772643]  ? print_usage_bug+0xc0/0xc0
[  258.776418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.785225]  ? warn_alloc+0x120/0x120
[  258.789254] 358 total pagecache pages
[  258.797805]  ? warn_alloc+0x120/0x120
[  258.801580] 0 pages in swap cache
[  258.805356]  ? print_usage_bug+0xc0/0xc0
[  258.809121] Swap cache stats: add 0, delete 0, find 0/0
[  258.809127] Free swap  = 0kB
[  258.812557]  ? print_usage_bug+0xc0/0xc0
[  258.816599] Total swap = 0kB
[  258.821940]  ? __lock_acquire+0x62f/0x4c20
[  258.824931] 1965979 pages RAM
[  258.828988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.831970] 0 pages HighMem/MovableOnly
[  258.831976] 342854 pages reserved
[  258.836188]  ? should_fail+0x22d/0xd01
[  258.839267] 0 pages cma reserved
[  258.844786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.848766] aoe: skb alloc failure
[  258.852155]  ? __lock_acquire+0x62f/0x4c20
[  258.856062] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.859475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.864540] rsyslogd cpuset=/ mems_allowed=0
[  258.868074]  ? __lock_acquire+0x62f/0x4c20
[  258.895969]  ? should_fail+0x22d/0xd01
[  258.899851]  ? find_held_lock+0x36/0x1c0
[  258.903905]  ? mark_held_locks+0x130/0x130
[  258.908129]  ? mark_held_locks+0x130/0x130
[  258.912345]  ? zap_class+0x640/0x640
[  258.916060]  ? zap_class+0x640/0x640
[  258.919765]  ? print_usage_bug+0xc0/0xc0
[  258.923811]  ? do_raw_spin_unlock+0xa7/0x330
[  258.928205]  ? zap_class+0x640/0x640
[  258.931904]  ? print_usage_bug+0xc0/0xc0
[  258.935953]  ? wq_watchdog_touch+0x9c/0xfe
[  258.940176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.945699]  ? check_preemption_disabled+0x48/0x280
[  258.950710]  ? __lock_is_held+0xb5/0x140
[  258.954766]  __alloc_pages_nodemask+0xad8/0xea0
[  258.959426]  ? zap_class+0x640/0x640
[  258.963136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  258.968156]  ? find_held_lock+0x36/0x1c0
[  258.972218]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.976875]  ? lock_downgrade+0x900/0x900
[  258.981046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.986572]  cache_grow_begin+0xa5/0x8c0
[  258.990619]  ? do_raw_spin_unlock+0xa7/0x330
[  258.995023]  fallback_alloc+0x204/0x2e0
[  258.999001]  ____cache_alloc_node+0x1c7/0x1e0
[  259.003490]  kmem_cache_alloc_node+0xe3/0x730
[  259.007976]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.012206]  __alloc_skb+0x119/0x770
[  259.015911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.021176]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.025568]  ? lock_downgrade+0x900/0x900
[  259.029707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.035229]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.040665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.046102]  ? addrconf_rs_timer+0x690/0x690
[  259.050509]  ndisc_alloc_skb+0x144/0x340
[  259.054560]  ndisc_send_rs+0x331/0x6e0
[  259.058449]  addrconf_rs_timer+0x314/0x690
[  259.062676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.066905]  call_timer_fn+0x272/0x920
[  259.070777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.074999]  ? process_timeout+0x40/0x40
[  259.079062]  ? __run_timers+0x7da/0xc70
[  259.083032]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.087524]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.092041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.096284]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.100857]  ? trace_hardirqs_on+0xbd/0x310
[  259.105346]  ? kasan_check_read+0x11/0x20
[  259.109483]  ? __run_timers+0x7da/0xc70
[  259.113444]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.118539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.122770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.126990]  __run_timers+0x7e5/0xc70
[  259.130786]  ? timer_fixup_init+0x70/0x70
[  259.134927]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.139947]  ? zap_class+0x640/0x640
[  259.143652]  ? enqueue_hrtimer+0x1a5/0x560
[  259.147879]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  259.153060]  ? find_held_lock+0x36/0x1c0
[  259.157113]  ? zap_class+0x640/0x640
[  259.160814]  ? pvclock_read_flags+0x160/0x160
[  259.165296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.170818]  ? check_preemption_disabled+0x48/0x280
[  259.175828]  ? __lock_is_held+0xb5/0x140
[  259.179875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.185402]  ? check_preemption_disabled+0x48/0x280
[  259.190409]  run_timer_softirq+0x52/0xb0
[  259.194473]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.199480]  __do_softirq+0x308/0xb7e
[  259.203273]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.207752]  ? lock_downgrade+0x900/0x900
[  259.211891]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.216984]  ? pvclock_read_flags+0x160/0x160
[  259.221463]  ? lapic_next_event+0x5a/0x90
[  259.225599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.231126]  ? kvm_clock_read+0x18/0x30
[  259.235085]  ? kvm_sched_clock_read+0x9/0x20
[  259.239483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.245002]  ? check_preemption_disabled+0x48/0x280
[  259.250028]  irq_exit+0x17f/0x1c0
[  259.253478]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.258304]  ? smp_reschedule_interrupt+0x109/0x650
[  259.263305]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.269175]  ? interrupt_entry+0xb5/0xc0
[  259.273223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.278229]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.283233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.288072]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.293073]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.298078]  ? task_prio+0x50/0x50
[  259.301610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.307226]  ? check_preemption_disabled+0x48/0x280
[  259.312247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.317081]  apic_timer_interrupt+0xf/0x20
[  259.321297]  </IRQ>
[  259.323519] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  259.328438] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  259.347322] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  259.355020] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  259.362274] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  259.369529] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  259.376782] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  259.384036] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  259.391318]  skb_clone+0x1bb/0x500
[  259.394854]  ? finish_task_switch+0x615/0x910
[  259.399336]  ? skb_split+0x11e0/0x11e0
[  259.403211]  ? preempt_notifier_register+0x200/0x200
[  259.408296]  ? __switch_to_asm+0x34/0x70
[  259.412340]  ? __switch_to_asm+0x34/0x70
[  259.416387]  ? __switch_to_asm+0x40/0x70
[  259.420428]  ? __switch_to_asm+0x34/0x70
[  259.424498]  ? __switch_to_asm+0x40/0x70
[  259.428544]  ? __switch_to_asm+0x34/0x70
[  259.432600]  ? __switch_to_asm+0x40/0x70
[  259.436645]  ? __switch_to_asm+0x34/0x70
[  259.440704]  ? __switch_to_asm+0x34/0x70
[  259.444759]  ? __switch_to_asm+0x40/0x70
[  259.448803]  ? __switch_to_asm+0x34/0x70
[  259.452853]  bpf_clone_redirect+0xb9/0x490
[  259.457074]  ? __schedule+0x8d7/0x21d0
[  259.460953]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  259.465957]  ? __sched_text_start+0x8/0x8
[  259.470092]  ? retint_kernel+0x2d/0x2d
[  259.473972]  ? find_held_lock+0x36/0x1c0
[  259.478041]  ? lock_acquire+0x1ed/0x520
[  259.482009]  ? bpf_test_run+0x3ee/0x7a0
[  259.485974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.491503]  ? check_preemption_disabled+0x48/0x280
[  259.496525]  ? kasan_check_read+0x11/0x20
[  259.500657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.505915]  ? rcu_softirq_qs+0x20/0x20
[  259.509872]  ? preempt_schedule+0x4d/0x60
[  259.514016]  ? ___preempt_schedule+0x16/0x18
[  259.518413]  ? bpf_test_run+0x271/0x7a0
[  259.522381]  ? eth_type_trans+0x2ea/0x760
[  259.526518]  ? netlink_diag_dump+0x2a0/0x2a0
[  259.530910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.536431]  ? bpf_test_init.isra.10+0x70/0x100
[  259.541089]  ? bpf_prog_test_run_skb+0x762/0xd60
[  259.545841]  ? apparmor_cred_transfer+0x590/0x590
[  259.550760]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.555603]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.561129]  ? fput+0x130/0x1a0
[  259.564397]  ? __bpf_prog_get+0x9b/0x290
[  259.568444]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.573285]  ? bpf_prog_test_run+0x130/0x1a0
[  259.577686]  ? __x64_sys_bpf+0x3d8/0x520
[  259.581734]  ? bpf_prog_get+0x20/0x20
[  259.585541]  ? do_syscall_64+0x1b9/0x820
[  259.589589]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  259.594940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.599860]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.604863]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.609870]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  259.616524]  ? __switch_to_asm+0x40/0x70
[  259.620571]  ? __switch_to_asm+0x34/0x70
[  259.624618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.629452]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.634814] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  259.634867] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.641633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.641637] Call Trace:
[  259.641642]  <IRQ>
[  259.641656]  dump_stack+0x244/0x39d
[  259.641673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.648213] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.657500]  warn_alloc.cold.116+0xb7/0x1bd
[  259.660045] syz-executor4 cpuset=syz4 mems_allowed=0
[  259.662175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.695593]  ? lock_downgrade+0x900/0x900
[  259.699735]  ? trace_hardirqs_off+0xb8/0x310
[  259.704149]  ? trace_hardirqs_off+0xb8/0x310
[  259.708548]  __alloc_pages_slowpath+0x2651/0x2de0
[  259.713393]  ? warn_alloc+0x120/0x120
[  259.717182]  ? warn_alloc+0x120/0x120
[  259.720978]  ? __lock_acquire+0x62f/0x4c20
[  259.725202]  ? warn_alloc+0x120/0x120
[  259.728997]  ? print_usage_bug+0xc0/0xc0
[  259.733048]  ? print_usage_bug+0xc0/0xc0
[  259.737105]  ? mark_held_locks+0x130/0x130
[  259.741329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.746859]  ? should_fail+0x22d/0xd01
[  259.750733]  ? zap_class+0x640/0x640
[  259.754446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.759536]  ? __lock_acquire+0x62f/0x4c20
[  259.763757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.768844]  ? should_fail+0x22d/0xd01
[  259.772736]  ? mark_held_locks+0x130/0x130
[  259.776986]  ? mark_held_locks+0x130/0x130
[  259.781214]  ? lock_downgrade+0x900/0x900
[  259.785349]  ? zap_class+0x640/0x640
[  259.789051]  ? zap_class+0x640/0x640
[  259.792751]  ? zap_class+0x640/0x640
[  259.796447]  ? do_raw_spin_unlock+0xa7/0x330
[  259.800845]  ? trace_hardirqs_on+0x310/0x310
[  259.805238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.810773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.816296]  ? check_preemption_disabled+0x48/0x280
[  259.821302]  ? __lock_is_held+0xb5/0x140
[  259.825356]  __alloc_pages_nodemask+0xad8/0xea0
[  259.830010]  ? zap_class+0x640/0x640
[  259.833711]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  259.838719]  ? find_held_lock+0x36/0x1c0
[  259.842774]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.847434]  ? lock_downgrade+0x900/0x900
[  259.851574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.857101]  cache_grow_begin+0xa5/0x8c0
[  259.861149]  ? do_raw_spin_unlock+0xa7/0x330
[  259.865562]  fallback_alloc+0x204/0x2e0
[  259.869526]  ____cache_alloc_node+0x1c7/0x1e0
[  259.874009]  kmem_cache_alloc_node+0xe3/0x730
[  259.878505]  ? __kmalloc_node_track_caller+0x50/0x70
[  259.883598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.889125]  __alloc_skb+0x119/0x770
[  259.892845]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.898209]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.902614]  ? vprintk_default+0x28/0x30
[  259.906661]  ? vprintk_func+0x85/0x181
[  259.910535]  ? printk+0xa7/0xcf
[  259.913818]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  259.918567]  new_skb+0x26/0x1c0
[  259.921838]  aoecmd_cfg+0x279/0x7f0
[  259.925458]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  259.929793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.935329]  ? __lock_is_held+0xb5/0x140
[  259.939394]  discover_timer+0x50/0x60
[  259.943190]  call_timer_fn+0x272/0x920
[  259.947076]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  259.951901]  ? process_timeout+0x40/0x40
[  259.955959]  ? mark_held_locks+0xc7/0x130
[  259.960098]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.964575]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.969054]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  259.973883]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.978452]  ? trace_hardirqs_on+0xbd/0x310
[  259.982768]  ? kasan_check_read+0x11/0x20
[  259.986903]  ? __run_timers+0x7da/0xc70
[  259.990863]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.995971]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  260.000800]  __run_timers+0x7e5/0xc70
[  260.004597]  ? timer_fixup_init+0x70/0x70
[  260.008730]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.013741]  ? zap_class+0x640/0x640
[  260.017443]  ? print_usage_bug+0xc0/0xc0
[  260.021494]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.026673]  ? find_held_lock+0x36/0x1c0
[  260.030722]  ? zap_class+0x640/0x640
[  260.034426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.039978]  ? check_preemption_disabled+0x48/0x280
[  260.045006]  ? __lock_is_held+0xb5/0x140
[  260.049059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.054583]  ? check_preemption_disabled+0x48/0x280
[  260.059591]  run_timer_softirq+0x52/0xb0
[  260.063655]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.068656]  __do_softirq+0x308/0xb7e
[  260.072472]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.076960]  ? lock_downgrade+0x900/0x900
[  260.081096]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.086208]  ? pvclock_read_flags+0x160/0x160
[  260.090692]  ? lapic_next_event+0x5a/0x90
[  260.094827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.100352]  ? kvm_clock_read+0x18/0x30
[  260.104315]  ? kvm_sched_clock_read+0x9/0x20
[  260.108712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.114234]  ? check_preemption_disabled+0x48/0x280
[  260.119242]  irq_exit+0x17f/0x1c0
[  260.122684]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.127516]  ? smp_reschedule_interrupt+0x109/0x650
[  260.132520]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.138391]  ? interrupt_entry+0xb5/0xc0
[  260.142437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.147450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.152462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.157291]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.162294]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.167304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.172140]  apic_timer_interrupt+0xf/0x20
[  260.176358]  </IRQ>
[  260.178589] RIP: 0010:dump_stack+0x358/0x39d
[  260.182993] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  260.201879] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  260.209576] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  260.216832] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  260.224083] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  260.231349] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  260.238605] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  260.245870]  ? dump_stack+0x34f/0x39d
[  260.249681]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.254858]  ? mark_held_locks+0x130/0x130
[  260.259077]  ? mark_held_locks+0x130/0x130
[  260.263312]  dump_header+0x27b/0xf72
[  260.267052]  ? pagefault_out_of_memory+0x197/0x197
[  260.271975]  ? __lock_acquire+0x62f/0x4c20
[  260.276202]  ? percpu_ref_get_many+0x240/0x240
[  260.280772]  ? print_usage_bug+0xc0/0xc0
[  260.284822]  ? zap_class+0x640/0x640
[  260.288527]  ? print_usage_bug+0xc0/0xc0
[  260.292572]  ? print_usage_bug+0xc0/0xc0
[  260.296617]  ? zap_class+0x640/0x640
[  260.300320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.305847]  ? find_held_lock+0x36/0x1c0
[  260.309907]  ? mark_held_locks+0xc7/0x130
[  260.314052]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.319150]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.324240]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.328810]  ? trace_hardirqs_on+0xbd/0x310
[  260.333117]  ? kasan_check_read+0x11/0x20
[  260.337250]  ? ___ratelimit+0x3b4/0x672
[  260.341209]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.346301]  ? trace_hardirqs_on+0x310/0x310
[  260.350715]  ? lock_downgrade+0x900/0x900
[  260.354850]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.359943]  ? ___ratelimit+0x3b9/0x672
[  260.363906]  ? idr_get_free+0xf70/0xf70
[  260.367872]  ? find_held_lock+0x36/0x1c0
[  260.371927]  oom_kill_process.cold.27+0x10/0x903
[  260.376682]  ? zap_class+0x640/0x640
[  260.380398]  ? check_preemption_disabled+0x48/0x280
[  260.385409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.390328]  ? kasan_check_read+0x11/0x20
[  260.394461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.399724]  ? oom_evaluate_task+0x540/0x540
[  260.404119]  ? find_held_lock+0x36/0x1c0
[  260.408195]  ? out_of_memory+0x974/0x1430
[  260.412343]  ? lock_downgrade+0x900/0x900
[  260.416476]  ? check_preemption_disabled+0x48/0x280
[  260.421480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.426398]  ? kasan_check_read+0x11/0x20
[  260.430538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.435800]  ? rcu_softirq_qs+0x20/0x20
[  260.439768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.445308]  ? oom_evaluate_task+0x302/0x540
[  260.449709]  out_of_memory+0xa84/0x1430
[  260.453675]  ? oom_killer_disable+0x3a0/0x3a0
[  260.458159]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  260.463075]  ? __ww_mutex_check_waiters+0x160/0x160
[  260.468090]  __alloc_pages_slowpath+0x232c/0x2de0
[  260.472943]  ? warn_alloc+0x120/0x120
[  260.476744]  ? mark_held_locks+0x130/0x130
[  260.480969]  ? find_get_entry+0xaae/0x1120
[  260.485196]  ? filemap_map_pages+0x1a20/0x1a20
[  260.489771]  ? zap_class+0x640/0x640
[  260.493477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.499000]  ? check_preemption_disabled+0x48/0x280
[  260.504012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.509533]  ? should_fail+0x22d/0xd01
[  260.513409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.518500]  ? zap_class+0x640/0x640
[  260.522214]  ? __lock_is_held+0xb5/0x140
[  260.526268]  ? mark_held_locks+0x130/0x130
[  260.530572]  ? lock_release+0xa00/0xa00
[  260.534536]  ? perf_trace_sched_process_exec+0x860/0x860
[  260.539985]  ? xa_load+0x2ba/0x460
[  260.543511]  ? lock_downgrade+0x900/0x900
[  260.547647]  ? __might_sleep+0x95/0x190
[  260.551614]  __alloc_pages_nodemask+0xad8/0xea0
[  260.556274]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  260.561278]  ? __page_cache_alloc+0x191/0x5c0
[  260.565759]  ? xa_load+0x2e1/0x460
[  260.569287]  ? xa_clear_mark+0x40/0x40
[  260.573161]  ? zap_class+0x640/0x640
[  260.576884]  ? zap_class+0x640/0x640
[  260.580591]  ? zap_class+0x640/0x640
[  260.584290]  ? __do_page_cache_readahead+0x663/0x810
[  260.589384]  ? find_held_lock+0x36/0x1c0
[  260.593454]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  260.598981]  alloc_pages_current+0x173/0x350
[  260.603381]  __page_cache_alloc+0x38c/0x5c0
[  260.607691]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.612617]  ? kasan_check_read+0x11/0x20
[  260.616773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.622054]  ? generic_perform_write+0x6a0/0x6a0
[  260.626806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.632329]  ? check_preemption_disabled+0x48/0x280
[  260.637337]  filemap_fault+0x1595/0x25f0
[  260.641399]  ? __lock_page_or_retry+0xa00/0xa00
[  260.646069]  ? mark_held_locks+0x130/0x130
[  260.650305]  ? filemap_map_pages+0xd6b/0x1a20
[  260.654787]  ? lock_downgrade+0x900/0x900
[  260.658940]  ? check_preemption_disabled+0x48/0x280
[  260.663943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.668860]  ? kasan_check_read+0x11/0x20
[  260.673008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.678272]  ? rcu_softirq_qs+0x20/0x20
[  260.682242]  ? filemap_map_pages+0xd92/0x1a20
[  260.686731]  ? find_get_entries_tag+0x1400/0x1400
[  260.691557]  ? __kernel_text_address+0xd/0x40
[  260.696039]  ? unwind_get_return_address+0x61/0xa0
[  260.701430]  ? lock_acquire+0x1ed/0x520
[  260.705403]  ? ext4_filemap_fault+0x7a/0xad
[  260.709720]  ? lock_release+0xa00/0xa00
[  260.713686]  ? perf_trace_sched_process_exec+0x860/0x860
[  260.719127]  ? print_usage_bug+0xc0/0xc0
[  260.723181]  ? print_usage_bug+0xc0/0xc0
[  260.727228]  ? __x64_sys_read+0x73/0xb0
[  260.731189]  ? print_usage_bug+0xc0/0xc0
[  260.735247]  ? down_read+0x8d/0x120
[  260.738873]  ? ext4_filemap_fault+0x7a/0xad
[  260.743191]  ? __down_interruptible+0x700/0x700
[  260.747852]  ext4_filemap_fault+0x82/0xad
[  260.752010]  __do_fault+0x100/0x6b0
[  260.755622]  ? trace_hardirqs_on+0xbd/0x310
[  260.759931]  ? pmd_devmap_trans_unstable+0x220/0x220
[  260.765025]  ? mark_held_locks+0x130/0x130
[  260.769247]  ? mark_held_locks+0x130/0x130
[  260.773468]  ? do_syslog+0x147b/0x1690
[  260.777348]  ? do_syslog+0x309/0x1690
[  260.781139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.786667]  __handle_mm_fault+0x3ea0/0x5be0
[  260.791071]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  260.795908]  ? find_held_lock+0x36/0x1c0
[  260.799971]  ? zap_class+0x640/0x640
[  260.803669]  ? zap_class+0x640/0x640
[  260.807377]  ? find_held_lock+0x36/0x1c0
[  260.811433]  ? handle_mm_fault+0x42a/0xc70
[  260.815655]  ? lock_downgrade+0x900/0x900
[  260.819793]  ? check_preemption_disabled+0x48/0x280
[  260.824800]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.829716]  ? kasan_check_read+0x11/0x20
[  260.833848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.839119]  ? rcu_softirq_qs+0x20/0x20
[  260.843077]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.848184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.853708]  ? check_preemption_disabled+0x48/0x280
[  260.858717]  handle_mm_fault+0x54f/0xc70
[  260.862767]  ? __handle_mm_fault+0x5be0/0x5be0
[  260.867342]  ? find_vma+0x34/0x190
[  260.870880]  __do_page_fault+0x5e8/0xe60
[  260.874928]  ? trace_hardirqs_off+0xb8/0x310
[  260.879321]  ? kernel_write+0x120/0x120
[  260.883288]  do_page_fault+0xf2/0x7e0
[  260.887077]  ? vmalloc_sync_all+0x30/0x30
[  260.891216]  ? error_entry+0x70/0xd0
[  260.894915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.899917]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.904836]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.909751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.914581]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.919582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.925024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.930027]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.935029]  ? page_fault+0x8/0x30
[  260.938559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.943392]  ? page_fault+0x8/0x30
[  260.946919]  page_fault+0x1e/0x30
[  260.950360] RIP: 0033:0x7f71188e71fd
[  260.954070] Code: Bad RIP value.
[  260.957421] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  260.962767] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  260.970020] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  260.977274] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  260.984525] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  260.991778] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  260.999061] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  260.999066] warn_alloc_show_mem: 1 callbacks suppressed
[  260.999072] Mem-Info:
[  261.006334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.006340] Call Trace:
[  261.011697] active_anon:46284 inactive_anon:276 isolated_anon:0
[  261.011697]  active_file:13 inactive_file:11 isolated_file:0
[  261.011697]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.011697]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  261.011697]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  261.011697]  free:13741 free_pcp:339 free_cma:0
[  261.014062]  <IRQ>
[  261.023406] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.025973]  dump_stack+0x244/0x39d
[  261.058816] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  261.060957]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.088584] lowmem_reserve[]: 0 2818 6321 6321
[  261.092204]  warn_alloc.cold.116+0xb7/0x1bd
[  261.118269] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  261.123450]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.127991] lowmem_reserve[]: 0 0 3503 3503
[  261.132318]  ? lock_downgrade+0x900/0x900
[  261.159869] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  261.164699]  ? trace_hardirqs_off+0xb8/0x310
[  261.168978] lowmem_reserve[]: 0 0 0 0
[  261.173115]  ? trace_hardirqs_off+0xb8/0x310
[  261.202138] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  261.206536]  __alloc_pages_slowpath+0x2651/0x2de0
[  261.210299] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  261.214721]  ? warn_alloc+0x120/0x120
[  261.228194] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  261.233018]  ? print_usage_bug+0xc0/0xc0
[  261.248159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.251934]  ? warn_alloc+0x120/0x120
[  261.266818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.270865]  ? warn_alloc+0x120/0x120
[  261.279663] 358 total pagecache pages
[  261.283452]  ? print_usage_bug+0xc0/0xc0
[  261.292000] 0 pages in swap cache
[  261.295773]  ? kvm_clock_read+0x18/0x30
[  261.299538] Swap cache stats: add 0, delete 0, find 0/0
[  261.303577]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.306999] Free swap  = 0kB
[  261.310958]  ? print_usage_bug+0xc0/0xc0
[  261.316285] Total swap = 0kB
[  261.316291] 1965979 pages RAM
[  261.321285]  ? __lock_acquire+0x62f/0x4c20
[  261.324263] 0 pages HighMem/MovableOnly
[  261.324269] 342854 pages reserved
[  261.328306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.331288] 0 pages cma reserved
[  261.334381]  ? should_fail+0x22d/0xd01
[  261.338638] aoe: skb alloc failure
[  261.342528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.342544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.345996] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.351489]  ? __lock_acquire+0x62f/0x4c20
[  261.354817] rsyslogd cpuset=/ mems_allowed=0
[  261.358695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.396315]  ? __lock_acquire+0x62f/0x4c20
[  261.400533]  ? should_fail+0x22d/0xd01
[  261.404403]  ? rcu_irq_exit+0x1a2/0x390
[  261.408370]  ? mark_held_locks+0x130/0x130
[  261.412614]  ? mark_held_locks+0x130/0x130
[  261.416848]  ? mark_held_locks+0xc7/0x130
[  261.420982]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  261.425985]  ? zap_class+0x640/0x640
[  261.429684]  ? print_usage_bug+0xc0/0xc0
[  261.433733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.439253]  ? check_preemption_disabled+0x48/0x280
[  261.444261]  ? __lock_is_held+0xb5/0x140
[  261.448311]  __alloc_pages_nodemask+0xad8/0xea0
[  261.452963]  ? zap_class+0x640/0x640
[  261.456668]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  261.461677]  ? find_held_lock+0x36/0x1c0
[  261.465737]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.470393]  ? lock_downgrade+0x900/0x900
[  261.474530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.480074]  cache_grow_begin+0xa5/0x8c0
[  261.484127]  ? do_raw_spin_unlock+0xa7/0x330
[  261.488529]  fallback_alloc+0x204/0x2e0
[  261.492495]  ____cache_alloc_node+0x1c7/0x1e0
[  261.496983]  kmem_cache_alloc_node+0xe3/0x730
[  261.501466]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.505783]  __alloc_skb+0x119/0x770
[  261.509510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.514776]  ? netdev_alloc_frag+0x1f0/0x1f0
[  261.519171]  ? lock_downgrade+0x900/0x900
[  261.523309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.528838]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.534275]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.539721]  ? addrconf_rs_timer+0x690/0x690
[  261.544124]  ndisc_alloc_skb+0x144/0x340
[  261.548174]  ndisc_send_rs+0x331/0x6e0
[  261.552050]  addrconf_rs_timer+0x314/0x690
[  261.556276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.560506]  call_timer_fn+0x272/0x920
[  261.564381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.568618]  ? process_timeout+0x40/0x40
[  261.572673]  ? __run_timers+0x7da/0xc70
[  261.576636]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.581119]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.585608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.589845]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.594417]  ? trace_hardirqs_on+0xbd/0x310
[  261.598726]  ? kasan_check_read+0x11/0x20
[  261.602861]  ? __run_timers+0x7da/0xc70
[  261.606831]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.611928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.616153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.620373]  __run_timers+0x7e5/0xc70
[  261.624169]  ? timer_fixup_init+0x70/0x70
[  261.628307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.633307]  ? zap_class+0x640/0x640
[  261.637011]  ? enqueue_hrtimer+0x1a5/0x560
[  261.641237]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.646421]  ? find_held_lock+0x36/0x1c0
[  261.650477]  ? zap_class+0x640/0x640
[  261.654197]  ? pvclock_read_flags+0x160/0x160
[  261.658681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.664212]  ? check_preemption_disabled+0x48/0x280
[  261.669234]  ? __lock_is_held+0xb5/0x140
[  261.673288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.678828]  ? check_preemption_disabled+0x48/0x280
[  261.683840]  run_timer_softirq+0x52/0xb0
[  261.687891]  ? rcu_read_lock_sched_held+0x14f/0x180
[  261.692895]  __do_softirq+0x308/0xb7e
[  261.696680]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  261.701161]  ? lock_downgrade+0x900/0x900
[  261.705296]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  261.710411]  ? pvclock_read_flags+0x160/0x160
[  261.714923]  ? lapic_next_event+0x5a/0x90
[  261.719061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.724610]  ? kvm_clock_read+0x18/0x30
[  261.728569]  ? kvm_sched_clock_read+0x9/0x20
[  261.732984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.738504]  ? check_preemption_disabled+0x48/0x280
[  261.743531]  irq_exit+0x17f/0x1c0
[  261.746972]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.751889]  ? smp_reschedule_interrupt+0x109/0x650
[  261.756892]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.762763]  ? interrupt_entry+0xb5/0xc0
[  261.766852]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.771855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.776859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.781697]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.786714]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.791718]  ? task_prio+0x50/0x50
[  261.795249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.800774]  ? check_preemption_disabled+0x48/0x280
[  261.805786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.810629]  apic_timer_interrupt+0xf/0x20
[  261.814842]  </IRQ>
[  261.817067] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  261.821986] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  261.840876] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  261.848567] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  261.855821] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  261.863076] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  261.870332] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  261.877583] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  261.884864]  skb_clone+0x1bb/0x500
[  261.888390]  ? finish_task_switch+0x615/0x910
[  261.892872]  ? skb_split+0x11e0/0x11e0
[  261.896747]  ? preempt_notifier_register+0x200/0x200
[  261.901837]  ? __switch_to_asm+0x34/0x70
[  261.905894]  ? __switch_to_asm+0x34/0x70
[  261.909947]  ? __switch_to_asm+0x40/0x70
[  261.914003]  ? __switch_to_asm+0x34/0x70
[  261.918051]  ? __switch_to_asm+0x40/0x70
[  261.922103]  ? __switch_to_asm+0x34/0x70
[  261.926173]  ? __switch_to_asm+0x40/0x70
[  261.930222]  ? __switch_to_asm+0x34/0x70
[  261.934274]  ? __switch_to_asm+0x34/0x70
[  261.938325]  ? __switch_to_asm+0x40/0x70
[  261.942376]  ? __switch_to_asm+0x34/0x70
[  261.946437]  bpf_clone_redirect+0xb9/0x490
[  261.950665]  ? __schedule+0x8d7/0x21d0
[  261.954553]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  261.959584]  ? __sched_text_start+0x8/0x8
[  261.963724]  ? retint_kernel+0x2d/0x2d
[  261.967605]  ? find_held_lock+0x36/0x1c0
[  261.971677]  ? lock_acquire+0x1ed/0x520
[  261.975646]  ? bpf_test_run+0x3ee/0x7a0
[  261.979612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.985144]  ? check_preemption_disabled+0x48/0x280
[  261.990162]  ? kasan_check_read+0x11/0x20
[  261.994301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.999572]  ? rcu_softirq_qs+0x20/0x20
[  262.003539]  ? preempt_schedule+0x4d/0x60
[  262.007680]  ? ___preempt_schedule+0x16/0x18
[  262.012087]  ? bpf_test_run+0x271/0x7a0
[  262.016060]  ? eth_type_trans+0x2ea/0x760
[  262.020207]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.024609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.030140]  ? bpf_test_init.isra.10+0x70/0x100
[  262.034815]  ? bpf_prog_test_run_skb+0x762/0xd60
[  262.039567]  ? apparmor_cred_transfer+0x590/0x590
[  262.044402]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.049234]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.054754]  ? fput+0x130/0x1a0
[  262.058045]  ? __bpf_prog_get+0x9b/0x290
[  262.062093]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.066927]  ? bpf_prog_test_run+0x130/0x1a0
[  262.071326]  ? __x64_sys_bpf+0x3d8/0x520
[  262.075376]  ? bpf_prog_get+0x20/0x20
[  262.079178]  ? do_syscall_64+0x1b9/0x820
[  262.083222]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.088572]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.093492]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.098498]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.103500]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  262.110153]  ? __switch_to_asm+0x40/0x70
[  262.114198]  ? __switch_to_asm+0x34/0x70
[  262.118247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.123084]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.128459] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  262.128530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.135284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.135290] Call Trace:
[  262.141928] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.151191]  <IRQ>
[  262.153745] syz-executor4 cpuset=syz4 mems_allowed=0
[  262.164211]  dump_stack+0x244/0x39d
[  262.175014]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.180200]  warn_alloc.cold.116+0xb7/0x1bd
[  262.184513]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.189345]  ? lock_downgrade+0x900/0x900
[  262.193488]  ? trace_hardirqs_off+0xb8/0x310
[  262.197897]  ? trace_hardirqs_off+0xb8/0x310
[  262.202310]  __alloc_pages_slowpath+0x2651/0x2de0
[  262.207165]  ? warn_alloc+0x120/0x120
[  262.210965]  ? warn_alloc+0x120/0x120
[  262.214763]  ? __lock_acquire+0x62f/0x4c20
[  262.218988]  ? warn_alloc+0x120/0x120
[  262.222790]  ? print_usage_bug+0xc0/0xc0
[  262.226842]  ? print_usage_bug+0xc0/0xc0
[  262.230898]  ? mark_held_locks+0x130/0x130
[  262.235125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.240649]  ? should_fail+0x22d/0xd01
[  262.244524]  ? zap_class+0x640/0x640
[  262.248230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.253323]  ? __lock_acquire+0x62f/0x4c20
[  262.257548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.262641]  ? should_fail+0x22d/0xd01
[  262.266528]  ? mark_held_locks+0x130/0x130
[  262.270758]  ? mark_held_locks+0x130/0x130
[  262.274981]  ? lock_downgrade+0x900/0x900
[  262.279116]  ? zap_class+0x640/0x640
[  262.282818]  ? zap_class+0x640/0x640
[  262.286521]  ? zap_class+0x640/0x640
[  262.290232]  ? do_raw_spin_unlock+0xa7/0x330
[  262.294631]  ? trace_hardirqs_on+0x310/0x310
[  262.299026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.304552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.310084]  ? check_preemption_disabled+0x48/0x280
[  262.315097]  ? __lock_is_held+0xb5/0x140
[  262.319154]  __alloc_pages_nodemask+0xad8/0xea0
[  262.323813]  ? zap_class+0x640/0x640
[  262.327527]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  262.332544]  ? find_held_lock+0x36/0x1c0
[  262.336609]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.341274]  ? lock_downgrade+0x900/0x900
[  262.345424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.350960]  cache_grow_begin+0xa5/0x8c0
[  262.355013]  ? do_raw_spin_unlock+0xa7/0x330
[  262.359416]  fallback_alloc+0x204/0x2e0
[  262.363385]  ____cache_alloc_node+0x1c7/0x1e0
[  262.367882]  kmem_cache_alloc_node+0xe3/0x730
[  262.372373]  ? __kmalloc_node_track_caller+0x50/0x70
[  262.377468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.383003]  __alloc_skb+0x119/0x770
[  262.386707]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.392062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.396484]  ? vprintk_default+0x28/0x30
[  262.400534]  ? vprintk_func+0x85/0x181
[  262.404415]  ? printk+0xa7/0xcf
[  262.407678]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  262.412432]  new_skb+0x26/0x1c0
[  262.415700]  aoecmd_cfg+0x279/0x7f0
[  262.419317]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  262.423629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.429162]  ? __lock_is_held+0xb5/0x140
[  262.433215]  discover_timer+0x50/0x60
[  262.437001]  call_timer_fn+0x272/0x920
[  262.440874]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  262.445699]  ? process_timeout+0x40/0x40
[  262.449755]  ? mark_held_locks+0xc7/0x130
[  262.453891]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.458373]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.462860]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  262.467688]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.472272]  ? trace_hardirqs_on+0xbd/0x310
[  262.476583]  ? kasan_check_read+0x11/0x20
[  262.480716]  ? __run_timers+0x7da/0xc70
[  262.484680]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.489780]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  262.494625]  __run_timers+0x7e5/0xc70
[  262.498416]  ? timer_fixup_init+0x70/0x70
[  262.502552]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.507556]  ? zap_class+0x640/0x640
[  262.511263]  ? print_usage_bug+0xc0/0xc0
[  262.515336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.520515]  ? find_held_lock+0x36/0x1c0
[  262.524567]  ? zap_class+0x640/0x640
[  262.528291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.534011]  ? check_preemption_disabled+0x48/0x280
[  262.539022]  ? __lock_is_held+0xb5/0x140
[  262.543073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.548601]  ? check_preemption_disabled+0x48/0x280
[  262.553608]  run_timer_softirq+0x52/0xb0
[  262.557654]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.562654]  __do_softirq+0x308/0xb7e
[  262.566461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.570957]  ? lock_downgrade+0x900/0x900
[  262.575099]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.580208]  ? pvclock_read_flags+0x160/0x160
[  262.584690]  ? lapic_next_event+0x5a/0x90
[  262.588829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.594362]  ? kvm_clock_read+0x18/0x30
[  262.598323]  ? kvm_sched_clock_read+0x9/0x20
[  262.602719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.608256]  ? check_preemption_disabled+0x48/0x280
[  262.613267]  irq_exit+0x17f/0x1c0
[  262.616708]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.621549]  ? smp_reschedule_interrupt+0x109/0x650
[  262.626554]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.632423]  ? interrupt_entry+0xb5/0xc0
[  262.636473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.641476]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.646486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.651323]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.656338]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.661350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.666186]  apic_timer_interrupt+0xf/0x20
[  262.670405]  </IRQ>
[  262.672636] RIP: 0010:dump_stack+0x358/0x39d
[  262.677049] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  262.695941] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  262.704102] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  262.711362] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  262.718617] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  262.725873] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  262.733131] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  262.742044]  ? dump_stack+0x34f/0x39d
[  262.745844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.751025]  ? mark_held_locks+0x130/0x130
[  262.755249]  ? mark_held_locks+0x130/0x130
[  262.759473]  dump_header+0x27b/0xf72
[  262.763181]  ? pagefault_out_of_memory+0x197/0x197
[  262.768104]  ? __lock_acquire+0x62f/0x4c20
[  262.772326]  ? percpu_ref_get_many+0x240/0x240
[  262.776895]  ? print_usage_bug+0xc0/0xc0
[  262.780955]  ? zap_class+0x640/0x640
[  262.784661]  ? print_usage_bug+0xc0/0xc0
[  262.788718]  ? print_usage_bug+0xc0/0xc0
[  262.792779]  ? zap_class+0x640/0x640
[  262.796480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.802007]  ? find_held_lock+0x36/0x1c0
[  262.806057]  ? mark_held_locks+0xc7/0x130
[  262.810194]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.815284]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.820391]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.824964]  ? trace_hardirqs_on+0xbd/0x310
[  262.829287]  ? kasan_check_read+0x11/0x20
[  262.833420]  ? ___ratelimit+0x3b4/0x672
[  262.837396]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.842502]  ? trace_hardirqs_on+0x310/0x310
[  262.846901]  ? lock_downgrade+0x900/0x900
[  262.851044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.856137]  ? ___ratelimit+0x3b9/0x672
[  262.860098]  ? idr_get_free+0xf70/0xf70
[  262.864061]  ? find_held_lock+0x36/0x1c0
[  262.868113]  oom_kill_process.cold.27+0x10/0x903
[  262.872863]  ? zap_class+0x640/0x640
[  262.876566]  ? check_preemption_disabled+0x48/0x280
[  262.881571]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.886485]  ? kasan_check_read+0x11/0x20
[  262.890649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.895928]  ? oom_evaluate_task+0x540/0x540
[  262.900326]  ? find_held_lock+0x36/0x1c0
[  262.904382]  ? out_of_memory+0x974/0x1430
[  262.908522]  ? lock_downgrade+0x900/0x900
[  262.912654]  ? check_preemption_disabled+0x48/0x280
[  262.917660]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.922575]  ? kasan_check_read+0x11/0x20
[  262.926716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.931993]  ? rcu_softirq_qs+0x20/0x20
[  262.935961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.941486]  ? oom_evaluate_task+0x302/0x540
[  262.945884]  out_of_memory+0xa84/0x1430
[  262.949851]  ? oom_killer_disable+0x3a0/0x3a0
[  262.954338]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  262.959264]  ? __ww_mutex_check_waiters+0x160/0x160
[  262.964283]  __alloc_pages_slowpath+0x232c/0x2de0
[  262.969137]  ? warn_alloc+0x120/0x120
[  262.972924]  ? mark_held_locks+0x130/0x130
[  262.977152]  ? find_get_entry+0xaae/0x1120
[  262.981380]  ? filemap_map_pages+0x1a20/0x1a20
[  262.985952]  ? zap_class+0x640/0x640
[  262.989657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.995217]  ? check_preemption_disabled+0x48/0x280
[  263.000236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.005759]  ? should_fail+0x22d/0xd01
[  263.009649]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.014775]  ? zap_class+0x640/0x640
[  263.018511]  ? __lock_is_held+0xb5/0x140
[  263.022567]  ? mark_held_locks+0x130/0x130
[  263.026796]  ? lock_release+0xa00/0xa00
[  263.030761]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.036225]  ? xa_load+0x2ba/0x460
[  263.039757]  ? lock_downgrade+0x900/0x900
[  263.043898]  ? __might_sleep+0x95/0x190
[  263.047868]  __alloc_pages_nodemask+0xad8/0xea0
[  263.052527]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  263.057537]  ? __page_cache_alloc+0x191/0x5c0
[  263.062022]  ? xa_load+0x2e1/0x460
[  263.065554]  ? xa_clear_mark+0x40/0x40
[  263.069430]  ? zap_class+0x640/0x640
[  263.073138]  ? zap_class+0x640/0x640
[  263.076836]  ? zap_class+0x640/0x640
[  263.080535]  ? __do_page_cache_readahead+0x663/0x810
[  263.085630]  ? find_held_lock+0x36/0x1c0
[  263.089708]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  263.095273]  alloc_pages_current+0x173/0x350
[  263.099670]  __page_cache_alloc+0x38c/0x5c0
[  263.103978]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.108896]  ? kasan_check_read+0x11/0x20
[  263.113051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.118323]  ? generic_perform_write+0x6a0/0x6a0
[  263.123066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.128588]  ? check_preemption_disabled+0x48/0x280
[  263.133596]  filemap_fault+0x1595/0x25f0
[  263.137655]  ? __lock_page_or_retry+0xa00/0xa00
[  263.142317]  ? mark_held_locks+0x130/0x130
[  263.146545]  ? filemap_map_pages+0xd6b/0x1a20
[  263.151026]  ? lock_downgrade+0x900/0x900
[  263.155161]  ? check_preemption_disabled+0x48/0x280
[  263.160169]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.165083]  ? kasan_check_read+0x11/0x20
[  263.169220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.174484]  ? rcu_softirq_qs+0x20/0x20
[  263.178458]  ? filemap_map_pages+0xd92/0x1a20
[  263.182953]  ? find_get_entries_tag+0x1400/0x1400
[  263.187808]  ? __kernel_text_address+0xd/0x40
[  263.192300]  ? unwind_get_return_address+0x61/0xa0
[  263.197237]  ? lock_acquire+0x1ed/0x520
[  263.201204]  ? ext4_filemap_fault+0x7a/0xad
[  263.205515]  ? lock_release+0xa00/0xa00
[  263.209488]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.214944]  ? print_usage_bug+0xc0/0xc0
[  263.218992]  ? print_usage_bug+0xc0/0xc0
[  263.223038]  ? __x64_sys_read+0x73/0xb0
[  263.227012]  ? print_usage_bug+0xc0/0xc0
[  263.231069]  ? down_read+0x8d/0x120
[  263.234686]  ? ext4_filemap_fault+0x7a/0xad
[  263.238993]  ? __down_interruptible+0x700/0x700
[  263.243657]  ext4_filemap_fault+0x82/0xad
[  263.247798]  __do_fault+0x100/0x6b0
[  263.251409]  ? trace_hardirqs_on+0xbd/0x310
[  263.255720]  ? pmd_devmap_trans_unstable+0x220/0x220
[  263.260809]  ? mark_held_locks+0x130/0x130
[  263.265029]  ? mark_held_locks+0x130/0x130
[  263.269250]  ? do_syslog+0x147b/0x1690
[  263.273131]  ? do_syslog+0x309/0x1690
[  263.276919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.282449]  __handle_mm_fault+0x3ea0/0x5be0
[  263.286847]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  263.291687]  ? find_held_lock+0x36/0x1c0
[  263.295750]  ? zap_class+0x640/0x640
[  263.299448]  ? zap_class+0x640/0x640
[  263.303157]  ? find_held_lock+0x36/0x1c0
[  263.307216]  ? handle_mm_fault+0x42a/0xc70
[  263.311437]  ? lock_downgrade+0x900/0x900
[  263.315572]  ? check_preemption_disabled+0x48/0x280
[  263.320588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.325505]  ? kasan_check_read+0x11/0x20
[  263.329649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.334916]  ? rcu_softirq_qs+0x20/0x20
[  263.338879]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.343973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.349500]  ? check_preemption_disabled+0x48/0x280
[  263.354509]  handle_mm_fault+0x54f/0xc70
[  263.358557]  ? __handle_mm_fault+0x5be0/0x5be0
[  263.363126]  ? find_vma+0x34/0x190
[  263.366654]  __do_page_fault+0x5e8/0xe60
[  263.370718]  ? trace_hardirqs_off+0xb8/0x310
[  263.375119]  ? kernel_write+0x120/0x120
[  263.379099]  do_page_fault+0xf2/0x7e0
[  263.382899]  ? vmalloc_sync_all+0x30/0x30
[  263.387037]  ? error_entry+0x70/0xd0
[  263.390738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.395740]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.400653]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.405572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.410402]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.415409]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.420847]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.425850]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.430850]  ? page_fault+0x8/0x30
[  263.434398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.439244]  ? page_fault+0x8/0x30
[  263.442781]  page_fault+0x1e/0x30
[  263.446237] RIP: 0033:0x7f71188e71fd
[  263.449946] Code: Bad RIP value.
[  263.453292] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  263.458640] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  263.465896] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  263.473149] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  263.480407] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  263.487667] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  263.494941] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  263.494945] warn_alloc_show_mem: 1 callbacks suppressed
[  263.494950] Mem-Info:
[  263.502206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.507555] active_anon:46284 inactive_anon:276 isolated_anon:0
[  263.507555]  active_file:13 inactive_file:11 isolated_file:0
[  263.507555]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.507555]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  263.507555]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  263.507555]  free:13741 free_pcp:339 free_cma:0
[  263.509920] Call Trace:
[  263.519284] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.552118]  <IRQ>
[  263.554677] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.582329]  dump_stack+0x244/0x39d
[  263.584447] lowmem_reserve[]: 0 2818 6321 6321
[  263.610539]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.614129] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  263.618701]  warn_alloc.cold.116+0xb7/0x1bd
[  263.623846] lowmem_reserve[]: 0 0 3503 3503
[  263.651419]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.655710] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  263.660017]  ? lock_downgrade+0x900/0x900
[  263.664820] lowmem_reserve[]: 0 0 0 0
[  263.693881]  ? trace_hardirqs_off+0xb8/0x310
[  263.697993] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  263.701793]  ? trace_hardirqs_off+0xb8/0x310
[  263.706165] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  263.719678]  __alloc_pages_slowpath+0x2651/0x2de0
[  263.724044] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  263.739222]  ? warn_alloc+0x120/0x120
[  263.744017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.758901]  ? print_usage_bug+0xc0/0xc0
[  263.762670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.771481]  ? warn_alloc+0x120/0x120
[  263.775510] 358 total pagecache pages
[  263.784062]  ? warn_alloc+0x120/0x120
[  263.787838] 0 pages in swap cache
[  263.791614]  ? print_usage_bug+0xc0/0xc0
[  263.795399] Swap cache stats: add 0, delete 0, find 0/0
[  263.798834]  ? kvm_clock_read+0x18/0x30
[  263.802864] Free swap  = 0kB
[  263.808207]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.812149] Total swap = 0kB
[  263.812156] 1965979 pages RAM
[  263.815155]  ? print_usage_bug+0xc0/0xc0
[  263.820135] 0 pages HighMem/MovableOnly
[  263.820141] 342854 pages reserved
[  263.823141]  ? __lock_acquire+0x62f/0x4c20
[  263.823158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.826228] 0 pages cma reserved
[  263.830265]  ? should_fail+0x22d/0xd01
[  263.834261] aoe: skb alloc failure
[  263.837637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.837654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.841902] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.847381]  ? __lock_acquire+0x62f/0x4c20
[  263.850726] rsyslogd cpuset=/ mems_allowed=0
[  263.854594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.892115]  ? __lock_acquire+0x62f/0x4c20
[  263.896332]  ? should_fail+0x22d/0xd01
[  263.900204]  ? rcu_irq_exit+0x1a2/0x390
[  263.904178]  ? mark_held_locks+0x130/0x130
[  263.908407]  ? mark_held_locks+0x130/0x130
[  263.912657]  ? mark_held_locks+0xc7/0x130
[  263.916792]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  263.921798]  ? zap_class+0x640/0x640
[  263.925516]  ? print_usage_bug+0xc0/0xc0
[  263.929569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.935097]  ? check_preemption_disabled+0x48/0x280
[  263.940105]  ? __lock_is_held+0xb5/0x140
[  263.944166]  __alloc_pages_nodemask+0xad8/0xea0
[  263.948823]  ? zap_class+0x640/0x640
[  263.952532]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  263.957545]  ? find_held_lock+0x36/0x1c0
[  263.961679]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.966433]  ? lock_downgrade+0x900/0x900
[  263.970572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.976101]  cache_grow_begin+0xa5/0x8c0
[  263.980168]  ? do_raw_spin_unlock+0xa7/0x330
[  263.984571]  fallback_alloc+0x204/0x2e0
[  263.988571]  ____cache_alloc_node+0x1c7/0x1e0
[  263.993054]  kmem_cache_alloc_node+0xe3/0x730
[  263.997536]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.001767]  __alloc_skb+0x119/0x770
[  264.005470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.010734]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.015139]  ? lock_downgrade+0x900/0x900
[  264.019304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.024828]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.030267]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.035714]  ? addrconf_rs_timer+0x690/0x690
[  264.040116]  ndisc_alloc_skb+0x144/0x340
[  264.044168]  ndisc_send_rs+0x331/0x6e0
[  264.048044]  addrconf_rs_timer+0x314/0x690
[  264.052267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.056495]  call_timer_fn+0x272/0x920
[  264.060369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.064589]  ? process_timeout+0x40/0x40
[  264.068657]  ? __run_timers+0x7da/0xc70
[  264.072633]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.077113]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.081591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.085830]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.090402]  ? trace_hardirqs_on+0xbd/0x310
[  264.094717]  ? kasan_check_read+0x11/0x20
[  264.098859]  ? __run_timers+0x7da/0xc70
[  264.102826]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.107921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.112145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.116365]  __run_timers+0x7e5/0xc70
[  264.120161]  ? timer_fixup_init+0x70/0x70
[  264.124310]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.129312]  ? zap_class+0x640/0x640
[  264.133016]  ? enqueue_hrtimer+0x1a5/0x560
[  264.137242]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  264.142435]  ? find_held_lock+0x36/0x1c0
[  264.146512]  ? zap_class+0x640/0x640
[  264.150218]  ? pvclock_read_flags+0x160/0x160
[  264.154718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.160239]  ? check_preemption_disabled+0x48/0x280
[  264.165248]  ? __lock_is_held+0xb5/0x140
[  264.169300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.174827]  ? check_preemption_disabled+0x48/0x280
[  264.179838]  run_timer_softirq+0x52/0xb0
[  264.183902]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.188905]  __do_softirq+0x308/0xb7e
[  264.192718]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.197202]  ? lock_downgrade+0x900/0x900
[  264.201339]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.206436]  ? pvclock_read_flags+0x160/0x160
[  264.210922]  ? lapic_next_event+0x5a/0x90
[  264.215061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.220598]  ? kvm_clock_read+0x18/0x30
[  264.224574]  ? kvm_sched_clock_read+0x9/0x20
[  264.228975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.234511]  ? check_preemption_disabled+0x48/0x280
[  264.239518]  irq_exit+0x17f/0x1c0
[  264.242954]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.247787]  ? smp_reschedule_interrupt+0x109/0x650
[  264.252795]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.258667]  ? interrupt_entry+0xb5/0xc0
[  264.262716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.267714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.272714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.277541]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.282539]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.287545]  ? task_prio+0x50/0x50
[  264.291088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.296621]  ? check_preemption_disabled+0x48/0x280
[  264.301640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.306559]  apic_timer_interrupt+0xf/0x20
[  264.310781]  </IRQ>
[  264.313002] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.317916] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  264.336803] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  264.344498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.351752] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  264.359008] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  264.366267] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.373521] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  264.380809]  skb_clone+0x1bb/0x500
[  264.384340]  ? finish_task_switch+0x615/0x910
[  264.388821]  ? skb_split+0x11e0/0x11e0
[  264.392712]  ? preempt_notifier_register+0x200/0x200
[  264.397803]  ? __switch_to_asm+0x34/0x70
[  264.401867]  ? __switch_to_asm+0x34/0x70
[  264.405915]  ? __switch_to_asm+0x40/0x70
[  264.409974]  ? __switch_to_asm+0x34/0x70
[  264.414038]  ? __switch_to_asm+0x40/0x70
[  264.418087]  ? __switch_to_asm+0x34/0x70
[  264.422132]  ? __switch_to_asm+0x40/0x70
[  264.426178]  ? __switch_to_asm+0x34/0x70
[  264.430228]  ? __switch_to_asm+0x34/0x70
[  264.434275]  ? __switch_to_asm+0x40/0x70
[  264.438317]  ? __switch_to_asm+0x34/0x70
[  264.442371]  bpf_clone_redirect+0xb9/0x490
[  264.446610]  ? __schedule+0x8d7/0x21d0
[  264.450484]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  264.455483]  ? __sched_text_start+0x8/0x8
[  264.459616]  ? retint_kernel+0x2d/0x2d
[  264.463496]  ? find_held_lock+0x36/0x1c0
[  264.467547]  ? lock_acquire+0x1ed/0x520
[  264.471515]  ? bpf_test_run+0x3ee/0x7a0
[  264.475478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.481008]  ? check_preemption_disabled+0x48/0x280
[  264.486022]  ? kasan_check_read+0x11/0x20
[  264.490163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.495423]  ? rcu_softirq_qs+0x20/0x20
[  264.499385]  ? preempt_schedule+0x4d/0x60
[  264.503524]  ? ___preempt_schedule+0x16/0x18
[  264.507944]  ? bpf_test_run+0x271/0x7a0
[  264.511910]  ? eth_type_trans+0x2ea/0x760
[  264.516064]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.520476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.525998]  ? bpf_test_init.isra.10+0x70/0x100
[  264.531161]  ? bpf_prog_test_run_skb+0x762/0xd60
[  264.535905]  ? apparmor_cred_transfer+0x590/0x590
[  264.540742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.545587]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.551114]  ? fput+0x130/0x1a0
[  264.554383]  ? __bpf_prog_get+0x9b/0x290
[  264.558431]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.563261]  ? bpf_prog_test_run+0x130/0x1a0
[  264.567661]  ? __x64_sys_bpf+0x3d8/0x520
[  264.571706]  ? bpf_prog_get+0x20/0x20
[  264.575506]  ? do_syscall_64+0x1b9/0x820
[  264.579554]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.584924]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.589946]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.594952]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.599960]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  264.606613]  ? __switch_to_asm+0x40/0x70
[  264.610662]  ? __switch_to_asm+0x34/0x70
[  264.614728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.619577]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.624938] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  264.625014] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.631762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.631767] Call Trace:
[  264.631772]  <IRQ>
[  264.631786]  dump_stack+0x244/0x39d
[  264.631802]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.638320] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.647603]  warn_alloc.cold.116+0xb7/0x1bd
[  264.650150] syz-executor4 cpuset=syz4 mems_allowed=0
[  264.652284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.685709]  ? lock_downgrade+0x900/0x900
[  264.689849]  ? trace_hardirqs_off+0xb8/0x310
[  264.694247]  ? trace_hardirqs_off+0xb8/0x310
[  264.699180]  __alloc_pages_slowpath+0x2651/0x2de0
[  264.704031]  ? warn_alloc+0x120/0x120
[  264.707824]  ? warn_alloc+0x120/0x120
[  264.711615]  ? warn_alloc+0x120/0x120
[  264.715406]  ? print_usage_bug+0xc0/0xc0
[  264.719460]  ? print_usage_bug+0xc0/0xc0
[  264.723507]  ? ktime_get+0x2c1/0x400
[  264.727212]  ? check_preemption_disabled+0x48/0x280
[  264.732211]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.736690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.742218]  ? should_fail+0x22d/0xd01
[  264.746094]  ? kasan_check_read+0x11/0x20
[  264.750229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.755319]  ? __lock_acquire+0x62f/0x4c20
[  264.759557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.764659]  ? should_fail+0x22d/0xd01
[  264.768534]  ? print_usage_bug+0xc0/0xc0
[  264.772593]  ? mark_held_locks+0x130/0x130
[  264.776815]  ? mark_held_locks+0x130/0x130
[  264.781038]  ? check_preemption_disabled+0x48/0x280
[  264.786052]  ? zap_class+0x640/0x640
[  264.789761]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.794504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.800028]  ? check_preemption_disabled+0x48/0x280
[  264.805044]  ? __lock_is_held+0xb5/0x140
[  264.809100]  __alloc_pages_nodemask+0xad8/0xea0
[  264.813754]  ? zap_class+0x640/0x640
[  264.817457]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  264.822468]  ? find_held_lock+0x36/0x1c0
[  264.826521]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.831181]  ? lock_downgrade+0x900/0x900
[  264.835319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.840846]  cache_grow_begin+0xa5/0x8c0
[  264.844894]  ? do_raw_spin_unlock+0xa7/0x330
[  264.849293]  fallback_alloc+0x204/0x2e0
[  264.853260]  ____cache_alloc_node+0x1c7/0x1e0
[  264.857749]  kmem_cache_alloc_node+0xe3/0x730
[  264.862232]  ? __kmalloc_node_track_caller+0x50/0x70
[  264.867325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.872852]  __alloc_skb+0x119/0x770
[  264.876554]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.881909]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.886323]  ? vprintk_default+0x28/0x30
[  264.890371]  ? vprintk_func+0x85/0x181
[  264.894242]  ? printk+0xa7/0xcf
[  264.897514]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  264.902272]  new_skb+0x26/0x1c0
[  264.905549]  aoecmd_cfg+0x279/0x7f0
[  264.909182]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  264.913492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.919031]  ? __lock_is_held+0xb5/0x140
[  264.923092]  discover_timer+0x50/0x60
[  264.926878]  call_timer_fn+0x272/0x920
[  264.930774]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  264.935600]  ? process_timeout+0x40/0x40
[  264.939654]  ? mark_held_locks+0xc7/0x130
[  264.943793]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.948286]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.952890]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  264.957721]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.962297]  ? trace_hardirqs_on+0xbd/0x310
[  264.966617]  ? kasan_check_read+0x11/0x20
[  264.970764]  ? __run_timers+0x7da/0xc70
[  264.974737]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.979836]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  264.984682]  __run_timers+0x7e5/0xc70
[  264.988482]  ? timer_fixup_init+0x70/0x70
[  264.992618]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.997619]  ? zap_class+0x640/0x640
[  265.001322]  ? print_usage_bug+0xc0/0xc0
[  265.005368]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.010570]  ? find_held_lock+0x36/0x1c0
[  265.014625]  ? zap_class+0x640/0x640
[  265.018328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.023858]  ? check_preemption_disabled+0x48/0x280
[  265.028882]  ? __lock_is_held+0xb5/0x140
[  265.032930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.038451]  ? check_preemption_disabled+0x48/0x280
[  265.043455]  run_timer_softirq+0x52/0xb0
[  265.047524]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.052539]  __do_softirq+0x308/0xb7e
[  265.056335]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.060818]  ? lock_downgrade+0x900/0x900
[  265.064955]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.070065]  ? pvclock_read_flags+0x160/0x160
[  265.074554]  ? lapic_next_event+0x5a/0x90
[  265.078704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.084229]  ? kvm_clock_read+0x18/0x30
[  265.088192]  ? kvm_sched_clock_read+0x9/0x20
[  265.092589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.098118]  ? check_preemption_disabled+0x48/0x280
[  265.103143]  irq_exit+0x17f/0x1c0
[  265.106585]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.111416]  ? smp_reschedule_interrupt+0x109/0x650
[  265.116424]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.122295]  ? interrupt_entry+0xb5/0xc0
[  265.126350]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.131356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.136366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.141200]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.146204]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.151216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.156053]  apic_timer_interrupt+0xf/0x20
[  265.160265]  </IRQ>
[  265.162489] RIP: 0010:dump_stack+0x358/0x39d
[  265.166904] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  265.185791] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  265.193481] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  265.200740] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  265.207994] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  265.215264] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  265.222548] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  265.229819]  ? dump_stack+0x34f/0x39d
[  265.233630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.238808]  ? mark_held_locks+0x130/0x130
[  265.243033]  ? mark_held_locks+0x130/0x130
[  265.247342]  dump_header+0x27b/0xf72
[  265.251051]  ? pagefault_out_of_memory+0x197/0x197
[  265.255984]  ? __lock_acquire+0x62f/0x4c20
[  265.260222]  ? percpu_ref_get_many+0x240/0x240
[  265.264790]  ? print_usage_bug+0xc0/0xc0
[  265.268841]  ? zap_class+0x640/0x640
[  265.272555]  ? print_usage_bug+0xc0/0xc0
[  265.276619]  ? print_usage_bug+0xc0/0xc0
[  265.280684]  ? zap_class+0x640/0x640
[  265.284388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.289920]  ? find_held_lock+0x36/0x1c0
[  265.293976]  ? mark_held_locks+0xc7/0x130
[  265.298110]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.303200]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.308295]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.312866]  ? trace_hardirqs_on+0xbd/0x310
[  265.317176]  ? kasan_check_read+0x11/0x20
[  265.321311]  ? ___ratelimit+0x3b4/0x672
[  265.325278]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.330369]  ? trace_hardirqs_on+0x310/0x310
[  265.334768]  ? lock_downgrade+0x900/0x900
[  265.338907]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.343992]  ? ___ratelimit+0x3b9/0x672
[  265.347989]  ? idr_get_free+0xf70/0xf70
[  265.351955]  ? find_held_lock+0x36/0x1c0
[  265.356028]  oom_kill_process.cold.27+0x10/0x903
[  265.360783]  ? zap_class+0x640/0x640
[  265.364485]  ? check_preemption_disabled+0x48/0x280
[  265.369513]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.374435]  ? kasan_check_read+0x11/0x20
[  265.378599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.383864]  ? oom_evaluate_task+0x540/0x540
[  265.388263]  ? find_held_lock+0x36/0x1c0
[  265.392323]  ? out_of_memory+0x974/0x1430
[  265.396467]  ? lock_downgrade+0x900/0x900
[  265.400611]  ? check_preemption_disabled+0x48/0x280
[  265.405619]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.410535]  ? kasan_check_read+0x11/0x20
[  265.414685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.419953]  ? rcu_softirq_qs+0x20/0x20
[  265.423920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.429451]  ? oom_evaluate_task+0x302/0x540
[  265.433864]  out_of_memory+0xa84/0x1430
[  265.437831]  ? oom_killer_disable+0x3a0/0x3a0
[  265.442312]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  265.447227]  ? __ww_mutex_check_waiters+0x160/0x160
[  265.452240]  __alloc_pages_slowpath+0x232c/0x2de0
[  265.457093]  ? warn_alloc+0x120/0x120
[  265.460881]  ? mark_held_locks+0x130/0x130
[  265.465109]  ? find_get_entry+0xaae/0x1120
[  265.469337]  ? filemap_map_pages+0x1a20/0x1a20
[  265.473905]  ? zap_class+0x640/0x640
[  265.477640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.483164]  ? check_preemption_disabled+0x48/0x280
[  265.488172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.493717]  ? should_fail+0x22d/0xd01
[  265.497607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.502698]  ? zap_class+0x640/0x640
[  265.506431]  ? __lock_is_held+0xb5/0x140
[  265.510493]  ? mark_held_locks+0x130/0x130
[  265.514725]  ? lock_release+0xa00/0xa00
[  265.518692]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.524127]  ? xa_load+0x2ba/0x460
[  265.527654]  ? lock_downgrade+0x900/0x900
[  265.531794]  ? __might_sleep+0x95/0x190
[  265.535754]  __alloc_pages_nodemask+0xad8/0xea0
[  265.540526]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  265.545548]  ? __page_cache_alloc+0x191/0x5c0
[  265.550034]  ? xa_load+0x2e1/0x460
[  265.553563]  ? xa_clear_mark+0x40/0x40
[  265.557438]  ? zap_class+0x640/0x640
[  265.561158]  ? zap_class+0x640/0x640
[  265.564859]  ? zap_class+0x640/0x640
[  265.568570]  ? __do_page_cache_readahead+0x663/0x810
[  265.573665]  ? find_held_lock+0x36/0x1c0
[  265.577718]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.583244]  alloc_pages_current+0x173/0x350
[  265.587669]  __page_cache_alloc+0x38c/0x5c0
[  265.591976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.596899]  ? kasan_check_read+0x11/0x20
[  265.601032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.606297]  ? generic_perform_write+0x6a0/0x6a0
[  265.611040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.616586]  ? check_preemption_disabled+0x48/0x280
[  265.621595]  filemap_fault+0x1595/0x25f0
[  265.625654]  ? __lock_page_or_retry+0xa00/0xa00
[  265.630312]  ? mark_held_locks+0x130/0x130
[  265.634560]  ? filemap_map_pages+0xd6b/0x1a20
[  265.639047]  ? lock_downgrade+0x900/0x900
[  265.643188]  ? check_preemption_disabled+0x48/0x280
[  265.648210]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.653127]  ? kasan_check_read+0x11/0x20
[  265.657262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.662546]  ? rcu_softirq_qs+0x20/0x20
[  265.666520]  ? filemap_map_pages+0xd92/0x1a20
[  265.671014]  ? find_get_entries_tag+0x1400/0x1400
[  265.675846]  ? __kernel_text_address+0xd/0x40
[  265.680327]  ? unwind_get_return_address+0x61/0xa0
[  265.685255]  ? lock_acquire+0x1ed/0x520
[  265.689216]  ? ext4_filemap_fault+0x7a/0xad
[  265.693528]  ? lock_release+0xa00/0xa00
[  265.697491]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.702924]  ? print_usage_bug+0xc0/0xc0
[  265.706976]  ? print_usage_bug+0xc0/0xc0
[  265.711024]  ? __x64_sys_read+0x73/0xb0
[  265.714985]  ? print_usage_bug+0xc0/0xc0
[  265.719061]  ? down_read+0x8d/0x120
[  265.722675]  ? ext4_filemap_fault+0x7a/0xad
[  265.726990]  ? __down_interruptible+0x700/0x700
[  265.731656]  ext4_filemap_fault+0x82/0xad
[  265.735794]  __do_fault+0x100/0x6b0
[  265.739406]  ? trace_hardirqs_on+0xbd/0x310
[  265.743715]  ? pmd_devmap_trans_unstable+0x220/0x220
[  265.748806]  ? mark_held_locks+0x130/0x130
[  265.753028]  ? mark_held_locks+0x130/0x130
[  265.757250]  ? do_syslog+0x147b/0x1690
[  265.761123]  ? do_syslog+0x309/0x1690
[  265.764920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.770450]  __handle_mm_fault+0x3ea0/0x5be0
[  265.774877]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  265.779709]  ? find_held_lock+0x36/0x1c0
[  265.783769]  ? zap_class+0x640/0x640
[  265.787475]  ? zap_class+0x640/0x640
[  265.791198]  ? find_held_lock+0x36/0x1c0
[  265.795252]  ? handle_mm_fault+0x42a/0xc70
[  265.799483]  ? lock_downgrade+0x900/0x900
[  265.803613]  ? check_preemption_disabled+0x48/0x280
[  265.808638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.813553]  ? kasan_check_read+0x11/0x20
[  265.817690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.822961]  ? rcu_softirq_qs+0x20/0x20
[  265.826943]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.832040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.837566]  ? check_preemption_disabled+0x48/0x280
[  265.842593]  handle_mm_fault+0x54f/0xc70
[  265.846735]  ? __handle_mm_fault+0x5be0/0x5be0
[  265.851315]  ? find_vma+0x34/0x190
[  265.854849]  __do_page_fault+0x5e8/0xe60
[  265.858901]  ? trace_hardirqs_off+0xb8/0x310
[  265.863297]  ? kernel_write+0x120/0x120
[  265.867271]  do_page_fault+0xf2/0x7e0
[  265.871063]  ? vmalloc_sync_all+0x30/0x30
[  265.875201]  ? error_entry+0x70/0xd0
[  265.878928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.883935]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.888967]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.893886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.898718]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.903718]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.909155]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  265.914181]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.919184]  ? page_fault+0x8/0x30
[  265.922714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.927545]  ? page_fault+0x8/0x30
[  265.931072]  page_fault+0x1e/0x30
[  265.934512] RIP: 0033:0x7f71188e71fd
[  265.938221] Code: Bad RIP value.
[  265.941573] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  265.946955] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  265.954223] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  265.961479] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  265.968734] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  265.976007] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  265.983281] warn_alloc_show_mem: 1 callbacks suppressed
[  265.983289] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  265.983290] Mem-Info:
[  265.983318] active_anon:46284 inactive_anon:276 isolated_anon:0
[  265.983318]  active_file:13 inactive_file:11 isolated_file:0
[  265.983318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.983318]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  265.983318]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  265.983318]  free:13741 free_pcp:339 free_cma:0
[  265.988638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.988643] Call Trace:
[  265.995921] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.998300]  <IRQ>
[  266.031144] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.040479]  dump_stack+0x244/0x39d
[  266.043029] lowmem_reserve[]: 0 2818 6321 6321
[  266.070687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.072804] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  266.098901]  warn_alloc.cold.116+0xb7/0x1bd
[  266.102490] lowmem_reserve[]: 0 0 3503 3503
[  266.107053]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.112212] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  266.139778]  ? lock_downgrade+0x900/0x900
[  266.144057] lowmem_reserve[]: 0 0 0 0
[  266.148366]  ? trace_hardirqs_off+0xb8/0x310
[  266.153174] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  266.182229]  ? trace_hardirqs_off+0xb8/0x310
[  266.186343] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  266.190128]  __alloc_pages_slowpath+0x2651/0x2de0
[  266.194503] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  266.208026]  ? warn_alloc+0x120/0x120
[  266.212388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.227629]  ? print_usage_bug+0xc0/0xc0
[  266.232449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.247332]  ? warn_alloc+0x120/0x120
[  266.251108] 358 total pagecache pages
[  266.259922]  ? warn_alloc+0x120/0x120
[  266.263958] 0 pages in swap cache
[  266.272513]  ? print_usage_bug+0xc0/0xc0
[  266.276282] Swap cache stats: add 0, delete 0, find 0/0
[  266.280059]  ? kvm_clock_read+0x18/0x30
[  266.283826] Free swap  = 0kB
[  266.287257]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  266.291283] Total swap = 0kB
[  266.296634]  ? print_usage_bug+0xc0/0xc0
[  266.300575] 1965979 pages RAM
[  266.303576]  ? __lock_acquire+0x62f/0x4c20
[  266.308563] 0 pages HighMem/MovableOnly
[  266.308582] 342854 pages reserved
[  266.311584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.315613] 0 pages cma reserved
[  266.318699]  ? should_fail+0x22d/0xd01
[  266.322950] aoe: skb alloc failure
[  266.326844]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.326858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.330322] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.335795]  ? __lock_acquire+0x62f/0x4c20
[  266.339127] rsyslogd cpuset=/ mems_allowed=0
[  266.342996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.380533]  ? __lock_acquire+0x62f/0x4c20
[  266.384756]  ? should_fail+0x22d/0xd01
[  266.388644]  ? rcu_irq_exit+0x1a2/0x390
[  266.392622]  ? mark_held_locks+0x130/0x130
[  266.396855]  ? mark_held_locks+0x130/0x130
[  266.401086]  ? mark_held_locks+0xc7/0x130
[  266.405222]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  266.410224]  ? zap_class+0x640/0x640
[  266.413921]  ? print_usage_bug+0xc0/0xc0
[  266.417975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.423500]  ? check_preemption_disabled+0x48/0x280
[  266.428513]  ? __lock_is_held+0xb5/0x140
[  266.432563]  __alloc_pages_nodemask+0xad8/0xea0
[  266.437219]  ? zap_class+0x640/0x640
[  266.440923]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  266.445932]  ? find_held_lock+0x36/0x1c0
[  266.449999]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.454662]  ? lock_downgrade+0x900/0x900
[  266.458804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.464331]  cache_grow_begin+0xa5/0x8c0
[  266.468377]  ? do_raw_spin_unlock+0xa7/0x330
[  266.472783]  fallback_alloc+0x204/0x2e0
[  266.476751]  ____cache_alloc_node+0x1c7/0x1e0
[  266.481241]  kmem_cache_alloc_node+0xe3/0x730
[  266.485727]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.489956]  __alloc_skb+0x119/0x770
[  266.493658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.498930]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.503324]  ? lock_downgrade+0x900/0x900
[  266.507461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.512998]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.518440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.523873]  ? addrconf_rs_timer+0x690/0x690
[  266.528275]  ndisc_alloc_skb+0x144/0x340
[  266.532801]  ndisc_send_rs+0x331/0x6e0
[  266.536678]  addrconf_rs_timer+0x314/0x690
[  266.540905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.545131]  call_timer_fn+0x272/0x920
[  266.549005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.553228]  ? process_timeout+0x40/0x40
[  266.557282]  ? __run_timers+0x7da/0xc70
[  266.561243]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.565723]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.570216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.574436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.579007]  ? trace_hardirqs_on+0xbd/0x310
[  266.583331]  ? kasan_check_read+0x11/0x20
[  266.587466]  ? __run_timers+0x7da/0xc70
[  266.591430]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.596527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.600749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.604986]  __run_timers+0x7e5/0xc70
[  266.608789]  ? timer_fixup_init+0x70/0x70
[  266.612943]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.617950]  ? zap_class+0x640/0x640
[  266.621656]  ? enqueue_hrtimer+0x1a5/0x560
[  266.625902]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.631097]  ? find_held_lock+0x36/0x1c0
[  266.635151]  ? zap_class+0x640/0x640
[  266.638852]  ? pvclock_read_flags+0x160/0x160
[  266.643356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.648892]  ? check_preemption_disabled+0x48/0x280
[  266.653901]  ? __lock_is_held+0xb5/0x140
[  266.657954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.663479]  ? check_preemption_disabled+0x48/0x280
[  266.668490]  run_timer_softirq+0x52/0xb0
[  266.672541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.677544]  __do_softirq+0x308/0xb7e
[  266.681335]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.685816]  ? lock_downgrade+0x900/0x900
[  266.689949]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.695042]  ? pvclock_read_flags+0x160/0x160
[  266.699677]  ? lapic_next_event+0x5a/0x90
[  266.703816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.709344]  ? kvm_clock_read+0x18/0x30
[  266.713303]  ? kvm_sched_clock_read+0x9/0x20
[  266.717705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.723235]  ? check_preemption_disabled+0x48/0x280
[  266.728245]  irq_exit+0x17f/0x1c0
[  266.731684]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.736522]  ? smp_reschedule_interrupt+0x109/0x650
[  266.741525]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.747404]  ? interrupt_entry+0xb5/0xc0
[  266.751456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.756456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.761461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.766287]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.771288]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.776290]  ? task_prio+0x50/0x50
[  266.779814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.785335]  ? check_preemption_disabled+0x48/0x280
[  266.790340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.795175]  apic_timer_interrupt+0xf/0x20
[  266.799395]  </IRQ>
[  266.801618] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.806546] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  266.825433] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  266.833124] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  266.840389] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  266.847648] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  266.854904] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.862158] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  266.869440]  skb_clone+0x1bb/0x500
[  266.872969]  ? finish_task_switch+0x615/0x910
[  266.877470]  ? skb_split+0x11e0/0x11e0
[  266.881348]  ? preempt_notifier_register+0x200/0x200
[  266.886456]  ? __switch_to_asm+0x34/0x70
[  266.890503]  ? __switch_to_asm+0x34/0x70
[  266.894556]  ? __switch_to_asm+0x40/0x70
[  266.898606]  ? __switch_to_asm+0x34/0x70
[  266.902654]  ? __switch_to_asm+0x40/0x70
[  266.906705]  ? __switch_to_asm+0x34/0x70
[  266.910753]  ? __switch_to_asm+0x40/0x70
[  266.914798]  ? __switch_to_asm+0x34/0x70
[  266.918848]  ? __switch_to_asm+0x34/0x70
[  266.922893]  ? __switch_to_asm+0x40/0x70
[  266.926941]  ? __switch_to_asm+0x34/0x70
[  266.931006]  bpf_clone_redirect+0xb9/0x490
[  266.935229]  ? __schedule+0x8d7/0x21d0
[  266.939112]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  266.944118]  ? __sched_text_start+0x8/0x8
[  266.948254]  ? retint_kernel+0x2d/0x2d
[  266.952136]  ? find_held_lock+0x36/0x1c0
[  266.956197]  ? lock_acquire+0x1ed/0x520
[  266.960247]  ? bpf_test_run+0x3ee/0x7a0
[  266.964213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.969737]  ? check_preemption_disabled+0x48/0x280
[  266.974742]  ? kasan_check_read+0x11/0x20
[  266.978876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.984135]  ? rcu_softirq_qs+0x20/0x20
[  266.988099]  ? preempt_schedule+0x4d/0x60
[  266.992236]  ? ___preempt_schedule+0x16/0x18
[  266.996636]  ? bpf_test_run+0x271/0x7a0
[  267.000602]  ? eth_type_trans+0x2ea/0x760
[  267.004737]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.009157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.014711]  ? bpf_test_init.isra.10+0x70/0x100
[  267.019378]  ? bpf_prog_test_run_skb+0x762/0xd60
[  267.024126]  ? apparmor_cred_transfer+0x590/0x590
[  267.028962]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.033799]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.039322]  ? fput+0x130/0x1a0
[  267.042596]  ? __bpf_prog_get+0x9b/0x290
[  267.046661]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.051498]  ? bpf_prog_test_run+0x130/0x1a0
[  267.055899]  ? __x64_sys_bpf+0x3d8/0x520
[  267.059943]  ? bpf_prog_get+0x20/0x20
[  267.063745]  ? do_syscall_64+0x1b9/0x820
[  267.067791]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  267.073146]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.078063]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.083068]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.088071]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  267.094724]  ? __switch_to_asm+0x40/0x70
[  267.098770]  ? __switch_to_asm+0x34/0x70
[  267.102826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.107662]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.113024] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  267.113084] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.119859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.119863] Call Trace:
[  267.119869]  <IRQ>
[  267.119881]  dump_stack+0x244/0x39d
[  267.119898]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.126503] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.135713]  warn_alloc.cold.116+0xb7/0x1bd
[  267.138468] syz-executor4 cpuset=syz4 mems_allowed=0
[  267.140600]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.140615]  ? lock_downgrade+0x900/0x900
[  267.178216]  ? trace_hardirqs_off+0xb8/0x310
[  267.182618]  ? trace_hardirqs_off+0xb8/0x310
[  267.187019]  __alloc_pages_slowpath+0x2651/0x2de0
[  267.191879]  ? warn_alloc+0x120/0x120
[  267.195671]  ? warn_alloc+0x120/0x120
[  267.199459]  ? warn_alloc+0x120/0x120
[  267.203248]  ? print_usage_bug+0xc0/0xc0
[  267.207302]  ? print_usage_bug+0xc0/0xc0
[  267.211350]  ? ktime_get+0x2c1/0x400
[  267.215147]  ? check_preemption_disabled+0x48/0x280
[  267.220147]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.224630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.230153]  ? should_fail+0x22d/0xd01
[  267.234029]  ? kasan_check_read+0x11/0x20
[  267.238179]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.243273]  ? __lock_acquire+0x62f/0x4c20
[  267.247499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.252590]  ? should_fail+0x22d/0xd01
[  267.256460]  ? print_usage_bug+0xc0/0xc0
[  267.260516]  ? mark_held_locks+0x130/0x130
[  267.264740]  ? mark_held_locks+0x130/0x130
[  267.268960]  ? check_preemption_disabled+0x48/0x280
[  267.273966]  ? zap_class+0x640/0x640
[  267.277669]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.282417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.287947]  ? check_preemption_disabled+0x48/0x280
[  267.292960]  ? __lock_is_held+0xb5/0x140
[  267.297013]  __alloc_pages_nodemask+0xad8/0xea0
[  267.301684]  ? zap_class+0x640/0x640
[  267.305390]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  267.310512]  ? find_held_lock+0x36/0x1c0
[  267.314565]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.319224]  ? lock_downgrade+0x900/0x900
[  267.323363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.328895]  cache_grow_begin+0xa5/0x8c0
[  267.332943]  ? do_raw_spin_unlock+0xa7/0x330
[  267.337347]  fallback_alloc+0x204/0x2e0
[  267.341311]  ____cache_alloc_node+0x1c7/0x1e0
[  267.345803]  kmem_cache_alloc_node+0xe3/0x730
[  267.350300]  ? __kmalloc_node_track_caller+0x50/0x70
[  267.355406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.360934]  __alloc_skb+0x119/0x770
[  267.364636]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.370093]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.374501]  ? vprintk_default+0x28/0x30
[  267.378551]  ? vprintk_func+0x85/0x181
[  267.382438]  ? printk+0xa7/0xcf
[  267.385714]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  267.390555]  new_skb+0x26/0x1c0
[  267.393828]  aoecmd_cfg+0x279/0x7f0
[  267.397446]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  267.401754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.407285]  ? __lock_is_held+0xb5/0x140
[  267.411345]  discover_timer+0x50/0x60
[  267.415134]  call_timer_fn+0x272/0x920
[  267.419010]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  267.423850]  ? process_timeout+0x40/0x40
[  267.427905]  ? mark_held_locks+0xc7/0x130
[  267.432043]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.436524]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.441003]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  267.445833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.450402]  ? trace_hardirqs_on+0xbd/0x310
[  267.454709]  ? kasan_check_read+0x11/0x20
[  267.458843]  ? __run_timers+0x7da/0xc70
[  267.462804]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.467908]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  267.472750]  __run_timers+0x7e5/0xc70
[  267.476543]  ? timer_fixup_init+0x70/0x70
[  267.480676]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.485679]  ? zap_class+0x640/0x640
[  267.489382]  ? print_usage_bug+0xc0/0xc0
[  267.493434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.498619]  ? find_held_lock+0x36/0x1c0
[  267.502666]  ? zap_class+0x640/0x640
[  267.506394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.511920]  ? check_preemption_disabled+0x48/0x280
[  267.516931]  ? __lock_is_held+0xb5/0x140
[  267.520979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.526504]  ? check_preemption_disabled+0x48/0x280
[  267.531516]  run_timer_softirq+0x52/0xb0
[  267.535566]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.540565]  __do_softirq+0x308/0xb7e
[  267.544350]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.548838]  ? lock_downgrade+0x900/0x900
[  267.552974]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.558067]  ? pvclock_read_flags+0x160/0x160
[  267.562552]  ? lapic_next_event+0x5a/0x90
[  267.566686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.572215]  ? kvm_clock_read+0x18/0x30
[  267.576190]  ? kvm_sched_clock_read+0x9/0x20
[  267.580589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.586118]  ? check_preemption_disabled+0x48/0x280
[  267.591129]  irq_exit+0x17f/0x1c0
[  267.594569]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.599396]  ? smp_reschedule_interrupt+0x109/0x650
[  267.604396]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.610269]  ? interrupt_entry+0xb5/0xc0
[  267.614414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.619433]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.624439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.629271]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.634280]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.639316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.644155]  apic_timer_interrupt+0xf/0x20
[  267.648381]  </IRQ>
[  267.650604] RIP: 0010:dump_stack+0x358/0x39d
[  267.655001] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  267.673888] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  267.681587] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  267.688844] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  267.696100] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  267.703356] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  267.710611] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  267.717873]  ? dump_stack+0x34f/0x39d
[  267.721671]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.726962]  ? mark_held_locks+0x130/0x130
[  267.731180]  ? mark_held_locks+0x130/0x130
[  267.735418]  dump_header+0x27b/0xf72
[  267.739128]  ? pagefault_out_of_memory+0x197/0x197
[  267.744051]  ? __lock_acquire+0x62f/0x4c20
[  267.748274]  ? percpu_ref_get_many+0x240/0x240
[  267.752855]  ? print_usage_bug+0xc0/0xc0
[  267.756905]  ? zap_class+0x640/0x640
[  267.760603]  ? print_usage_bug+0xc0/0xc0
[  267.764650]  ? print_usage_bug+0xc0/0xc0
[  267.768701]  ? zap_class+0x640/0x640
[  267.772407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.777936]  ? find_held_lock+0x36/0x1c0
[  267.781996]  ? mark_held_locks+0xc7/0x130
[  267.786134]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.791229]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.796338]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.800911]  ? trace_hardirqs_on+0xbd/0x310
[  267.805217]  ? kasan_check_read+0x11/0x20
[  267.809356]  ? ___ratelimit+0x3b4/0x672
[  267.813329]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.818420]  ? trace_hardirqs_on+0x310/0x310
[  267.822823]  ? lock_downgrade+0x900/0x900
[  267.826961]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.832047]  ? ___ratelimit+0x3b9/0x672
[  267.836010]  ? idr_get_free+0xf70/0xf70
[  267.839971]  ? find_held_lock+0x36/0x1c0
[  267.844048]  oom_kill_process.cold.27+0x10/0x903
[  267.848811]  ? zap_class+0x640/0x640
[  267.852512]  ? check_preemption_disabled+0x48/0x280
[  267.857515]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.862428]  ? kasan_check_read+0x11/0x20
[  267.866563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.871832]  ? oom_evaluate_task+0x540/0x540
[  267.876350]  ? find_held_lock+0x36/0x1c0
[  267.880419]  ? out_of_memory+0x974/0x1430
[  267.884559]  ? lock_downgrade+0x900/0x900
[  267.888699]  ? check_preemption_disabled+0x48/0x280
[  267.893705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.898618]  ? kasan_check_read+0x11/0x20
[  267.902763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.908032]  ? rcu_softirq_qs+0x20/0x20
[  267.912016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.917553]  ? oom_evaluate_task+0x302/0x540
[  267.921954]  out_of_memory+0xa84/0x1430
[  267.925920]  ? oom_killer_disable+0x3a0/0x3a0
[  267.930403]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  267.935323]  ? __ww_mutex_check_waiters+0x160/0x160
[  267.940346]  __alloc_pages_slowpath+0x232c/0x2de0
[  267.945198]  ? warn_alloc+0x120/0x120
[  267.948983]  ? mark_held_locks+0x130/0x130
[  267.953210]  ? find_get_entry+0xaae/0x1120
[  267.957442]  ? filemap_map_pages+0x1a20/0x1a20
[  267.962016]  ? zap_class+0x640/0x640
[  267.965722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.971246]  ? check_preemption_disabled+0x48/0x280
[  267.976253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.981784]  ? should_fail+0x22d/0xd01
[  267.985666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.990766]  ? zap_class+0x640/0x640
[  267.994493]  ? __lock_is_held+0xb5/0x140
[  267.998559]  ? mark_held_locks+0x130/0x130
[  268.002787]  ? lock_release+0xa00/0xa00
[  268.006755]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.012196]  ? xa_load+0x2ba/0x460
[  268.015725]  ? lock_downgrade+0x900/0x900
[  268.019864]  ? __might_sleep+0x95/0x190
[  268.023824]  __alloc_pages_nodemask+0xad8/0xea0
[  268.028482]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  268.033504]  ? __page_cache_alloc+0x191/0x5c0
[  268.037987]  ? xa_load+0x2e1/0x460
[  268.041518]  ? xa_clear_mark+0x40/0x40
[  268.045395]  ? zap_class+0x640/0x640
[  268.049101]  ? zap_class+0x640/0x640
[  268.052800]  ? zap_class+0x640/0x640
[  268.056506]  ? __do_page_cache_readahead+0x663/0x810
[  268.061601]  ? find_held_lock+0x36/0x1c0
[  268.065659]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  268.071206]  alloc_pages_current+0x173/0x350
[  268.075619]  __page_cache_alloc+0x38c/0x5c0
[  268.079930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.084842]  ? kasan_check_read+0x11/0x20
[  268.088973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.094240]  ? generic_perform_write+0x6a0/0x6a0
[  268.098993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.104522]  ? check_preemption_disabled+0x48/0x280
[  268.109549]  filemap_fault+0x1595/0x25f0
[  268.113608]  ? __lock_page_or_retry+0xa00/0xa00
[  268.118269]  ? mark_held_locks+0x130/0x130
[  268.122506]  ? filemap_map_pages+0xd6b/0x1a20
[  268.126991]  ? lock_downgrade+0x900/0x900
[  268.131161]  ? check_preemption_disabled+0x48/0x280
[  268.136167]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.141084]  ? kasan_check_read+0x11/0x20
[  268.145217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.150483]  ? rcu_softirq_qs+0x20/0x20
[  268.154462]  ? filemap_map_pages+0xd92/0x1a20
[  268.158956]  ? find_get_entries_tag+0x1400/0x1400
[  268.163788]  ? __kernel_text_address+0xd/0x40
[  268.168276]  ? unwind_get_return_address+0x61/0xa0
[  268.173201]  ? lock_acquire+0x1ed/0x520
[  268.177163]  ? ext4_filemap_fault+0x7a/0xad
[  268.181473]  ? lock_release+0xa00/0xa00
[  268.185434]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.190880]  ? print_usage_bug+0xc0/0xc0
[  268.194933]  ? print_usage_bug+0xc0/0xc0
[  268.198997]  ? __x64_sys_read+0x73/0xb0
[  268.202965]  ? print_usage_bug+0xc0/0xc0
[  268.207018]  ? down_read+0x8d/0x120
[  268.210629]  ? ext4_filemap_fault+0x7a/0xad
[  268.214935]  ? __down_interruptible+0x700/0x700
[  268.219595]  ext4_filemap_fault+0x82/0xad
[  268.223758]  __do_fault+0x100/0x6b0
[  268.227388]  ? trace_hardirqs_on+0xbd/0x310
[  268.231702]  ? pmd_devmap_trans_unstable+0x220/0x220
[  268.236799]  ? mark_held_locks+0x130/0x130
[  268.241032]  ? mark_held_locks+0x130/0x130
[  268.245261]  ? do_syslog+0x147b/0x1690
[  268.249169]  ? do_syslog+0x309/0x1690
[  268.252964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.258494]  __handle_mm_fault+0x3ea0/0x5be0
[  268.262903]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  268.267758]  ? find_held_lock+0x36/0x1c0
[  268.271817]  ? zap_class+0x640/0x640
[  268.275515]  ? zap_class+0x640/0x640
[  268.279220]  ? find_held_lock+0x36/0x1c0
[  268.283280]  ? handle_mm_fault+0x42a/0xc70
[  268.287503]  ? lock_downgrade+0x900/0x900
[  268.291638]  ? check_preemption_disabled+0x48/0x280
[  268.296643]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.301562]  ? kasan_check_read+0x11/0x20
[  268.305695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.310959]  ? rcu_softirq_qs+0x20/0x20
[  268.314917]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.320009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.325538]  ? check_preemption_disabled+0x48/0x280
[  268.330549]  handle_mm_fault+0x54f/0xc70
[  268.334596]  ? __handle_mm_fault+0x5be0/0x5be0
[  268.339167]  ? find_vma+0x34/0x190
[  268.342699]  __do_page_fault+0x5e8/0xe60
[  268.346747]  ? trace_hardirqs_off+0xb8/0x310
[  268.351141]  ? kernel_write+0x120/0x120
[  268.355107]  do_page_fault+0xf2/0x7e0
[  268.358894]  ? vmalloc_sync_all+0x30/0x30
[  268.363026]  ? error_entry+0x70/0xd0
[  268.366726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.371732]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.376652]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.381571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.386402]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.391405]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.396844]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.401851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.406853]  ? page_fault+0x8/0x30
[  268.410383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.415217]  ? page_fault+0x8/0x30
[  268.418756]  page_fault+0x1e/0x30
[  268.422194] RIP: 0033:0x7f71188e71fd
[  268.425905] Code: Bad RIP value.
[  268.429252] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  268.434601] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  268.441851] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  268.449190] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  268.456441] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  268.463696] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  268.470970] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  268.470974] warn_alloc_show_mem: 1 callbacks suppressed
[  268.470979] Mem-Info:
[  268.478241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.483590] active_anon:46284 inactive_anon:276 isolated_anon:0
[  268.483590]  active_file:13 inactive_file:11 isolated_file:0
[  268.483590]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.483590]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  268.483590]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  268.483590]  free:13741 free_pcp:339 free_cma:0
[  268.485953] Call Trace:
[  268.495310] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.528142]  <IRQ>
[  268.530998] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.558662]  dump_stack+0x244/0x39d
[  268.560775] lowmem_reserve[]: 0 2818 6321 6321
[  268.586873]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.590468] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  268.595040]  warn_alloc.cold.116+0xb7/0x1bd
[  268.600186] lowmem_reserve[]: 0 0 3503 3503
[  268.627755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.632043] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  268.636354]  ? lock_downgrade+0x900/0x900
[  268.641155] lowmem_reserve[]: 0 0 0 0
[  268.670202]  ? trace_hardirqs_off+0xb8/0x310
[  268.674316] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  268.678103]  ? trace_hardirqs_off+0xb8/0x310
[  268.682484] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  268.695994]  __alloc_pages_slowpath+0x2651/0x2de0
[  268.700889] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  268.716078]  ? warn_alloc+0x120/0x120
[  268.720872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.735757]  ? warn_alloc+0x120/0x120
[  268.739526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.748336]  ? __bfs+0x321/0x780
[  268.752103] 358 total pagecache pages
[  268.760661]  ? print_usage_bug+0xc0/0xc0
[  268.763998] 0 pages in swap cache
[  268.767769]  ? lockdep_on+0x50/0x50
[  268.771797] Swap cache stats: add 0, delete 0, find 0/0
[  268.775321]  ? print_bfs_bug+0x80/0x80
[  268.778915] Free swap  = 0kB
[  268.784264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.788115] Total swap = 0kB
[  268.791109]  ? should_fail+0x22d/0xd01
[  268.796612] 1965979 pages RAM
[  268.799605]  ? __bfs+0x321/0x780
[  268.799620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.803474] 0 pages HighMem/MovableOnly
[  268.803493] 342854 pages reserved
[  268.806577]  ? __lock_acquire+0x62f/0x4c20
[  268.809905] 0 pages cma reserved
[  268.809958] aoe: skb alloc failure
[  268.814993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.819002] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.822393]  ? __lock_acquire+0x2aff/0x4c20
[  268.826598] rsyslogd cpuset=/ mems_allowed=0
[  268.829939]  ? should_fail+0x22d/0xd01
[  268.829959]  ? mark_held_locks+0x130/0x130
[  268.865335]  ? mark_held_locks+0x130/0x130
[  268.869560]  ? kasan_check_read+0x11/0x20
[  268.873694]  ? __lock_acquire+0x2aff/0x4c20
[  268.878002]  ? zap_class+0x640/0x640
[  268.881709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.887235]  ? check_preemption_disabled+0x48/0x280
[  268.892245]  ? __lock_is_held+0xb5/0x140
[  268.896293]  __alloc_pages_nodemask+0xad8/0xea0
[  268.900947]  ? zap_class+0x640/0x640
[  268.904648]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  268.909659]  ? find_held_lock+0x36/0x1c0
[  268.913804]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.918463]  ? lock_downgrade+0x900/0x900
[  268.922605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.928130]  cache_grow_begin+0xa5/0x8c0
[  268.932176]  ? do_raw_spin_unlock+0xa7/0x330
[  268.936593]  fallback_alloc+0x204/0x2e0
[  268.940561]  ____cache_alloc_node+0x1c7/0x1e0
[  268.945046]  kmem_cache_alloc_node+0xe3/0x730
[  268.949526]  ? do_raw_spin_unlock+0xa7/0x330
[  268.953924]  ? do_raw_spin_trylock+0x270/0x270
[  268.958502]  __alloc_skb+0x119/0x770
[  268.962216]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.966613]  ? atomic_notifier_call_chain+0xc6/0x190
[  268.971702]  ? lock_downgrade+0x900/0x900
[  268.975853]  ? check_preemption_disabled+0x48/0x280
[  268.980867]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.985784]  ? kasan_check_read+0x11/0x20
[  268.989922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.995196]  ? rcu_softirq_qs+0x20/0x20
[  268.999167]  ? kasan_check_read+0x11/0x20
[  269.003311]  ? do_raw_write_trylock+0x270/0x270
[  269.007968]  __neigh_notify+0x8c/0x160
[  269.011842]  ? neigh_connected_output+0x780/0x780
[  269.016672]  neigh_timer_handler+0x6cb/0xdf0
[  269.021065]  ? check_preemption_disabled+0x48/0x280
[  269.026071]  ? neigh_periodic_work+0xc60/0xc60
[  269.030639]  ? __lock_is_held+0xb5/0x140
[  269.034713]  call_timer_fn+0x272/0x920
[  269.038605]  ? neigh_periodic_work+0xc60/0xc60
[  269.043173]  ? process_timeout+0x40/0x40
[  269.047263]  ? __run_timers+0x7da/0xc70
[  269.051226]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.055705]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.060198]  ? neigh_periodic_work+0xc60/0xc60
[  269.064768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.069336]  ? trace_hardirqs_on+0xbd/0x310
[  269.073641]  ? kasan_check_read+0x11/0x20
[  269.077774]  ? __run_timers+0x7da/0xc70
[  269.081734]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.086835]  ? neigh_periodic_work+0xc60/0xc60
[  269.091397]  __run_timers+0x7e5/0xc70
[  269.095196]  ? timer_fixup_init+0x70/0x70
[  269.099330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.104338]  ? zap_class+0x640/0x640
[  269.108041]  ? enqueue_hrtimer+0x1a5/0x560
[  269.112282]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.117463]  ? find_held_lock+0x36/0x1c0
[  269.121513]  ? zap_class+0x640/0x640
[  269.125221]  ? pvclock_read_flags+0x160/0x160
[  269.129705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.135230]  ? check_preemption_disabled+0x48/0x280
[  269.140252]  ? __lock_is_held+0xb5/0x140
[  269.144312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.149837]  ? check_preemption_disabled+0x48/0x280
[  269.154859]  run_timer_softirq+0x52/0xb0
[  269.158911]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.163915]  __do_softirq+0x308/0xb7e
[  269.167701]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.172187]  ? lock_downgrade+0x900/0x900
[  269.176331]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.181425]  ? pvclock_read_flags+0x160/0x160
[  269.185913]  ? lapic_next_event+0x5a/0x90
[  269.190054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.195588]  ? kvm_clock_read+0x18/0x30
[  269.199550]  ? kvm_sched_clock_read+0x9/0x20
[  269.203946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.209472]  ? check_preemption_disabled+0x48/0x280
[  269.214485]  irq_exit+0x17f/0x1c0
[  269.217924]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.222754]  ? smp_reschedule_interrupt+0x109/0x650
[  269.227774]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.233642]  ? interrupt_entry+0xb5/0xc0
[  269.237691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.242690]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.247694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.252531]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.257533]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.262539]  ? task_prio+0x50/0x50
[  269.266067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.271589]  ? check_preemption_disabled+0x48/0x280
[  269.276598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.281434]  apic_timer_interrupt+0xf/0x20
[  269.285647]  </IRQ>
[  269.287868] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.292783] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  269.311665] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  269.319357] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.326625] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  269.333877] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  269.341136] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.348413] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  269.355698]  skb_clone+0x1bb/0x500
[  269.359229]  ? finish_task_switch+0x615/0x910
[  269.363710]  ? skb_split+0x11e0/0x11e0
[  269.367589]  ? preempt_notifier_register+0x200/0x200
[  269.372689]  ? __switch_to_asm+0x34/0x70
[  269.376737]  ? __switch_to_asm+0x34/0x70
[  269.380785]  ? __switch_to_asm+0x40/0x70
[  269.384828]  ? __switch_to_asm+0x34/0x70
[  269.388873]  ? __switch_to_asm+0x40/0x70
[  269.392919]  ? __switch_to_asm+0x34/0x70
[  269.396963]  ? __switch_to_asm+0x40/0x70
[  269.401005]  ? __switch_to_asm+0x34/0x70
[  269.405053]  ? __switch_to_asm+0x34/0x70
[  269.409098]  ? __switch_to_asm+0x40/0x70
[  269.413141]  ? __switch_to_asm+0x34/0x70
[  269.417202]  bpf_clone_redirect+0xb9/0x490
[  269.421424]  ? __schedule+0x8d7/0x21d0
[  269.425304]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  269.430311]  ? __sched_text_start+0x8/0x8
[  269.434444]  ? retint_kernel+0x2d/0x2d
[  269.438326]  ? find_held_lock+0x36/0x1c0
[  269.442376]  ? lock_acquire+0x1ed/0x520
[  269.446334]  ? bpf_test_run+0x3ee/0x7a0
[  269.450294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.455819]  ? check_preemption_disabled+0x48/0x280
[  269.460822]  ? kasan_check_read+0x11/0x20
[  269.464959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.470221]  ? rcu_softirq_qs+0x20/0x20
[  269.474188]  ? preempt_schedule+0x4d/0x60
[  269.478325]  ? ___preempt_schedule+0x16/0x18
[  269.482731]  ? bpf_test_run+0x271/0x7a0
[  269.486718]  ? eth_type_trans+0x2ea/0x760
[  269.490869]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.495264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.500785]  ? bpf_test_init.isra.10+0x70/0x100
[  269.505453]  ? bpf_prog_test_run_skb+0x762/0xd60
[  269.510214]  ? apparmor_cred_transfer+0x590/0x590
[  269.515060]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.519893]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.525433]  ? fput+0x130/0x1a0
[  269.528704]  ? __bpf_prog_get+0x9b/0x290
[  269.532752]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.537579]  ? bpf_prog_test_run+0x130/0x1a0
[  269.541976]  ? __x64_sys_bpf+0x3d8/0x520
[  269.546021]  ? bpf_prog_get+0x20/0x20
[  269.549824]  ? do_syscall_64+0x1b9/0x820
[  269.553882]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.559245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.564183]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.569190]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.574198]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  269.580848]  ? __switch_to_asm+0x40/0x70
[  269.584895]  ? __switch_to_asm+0x34/0x70
[  269.588950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.593788]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.599168] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  269.599262] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.605993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.606000] Call Trace:
[  269.616475] syz-executor4 cpuset=syz4 mems_allowed=0
[  269.625803]  <IRQ>
[  269.635573]  dump_stack+0x244/0x39d
[  269.639191]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.644381]  warn_alloc.cold.116+0xb7/0x1bd
[  269.648696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.653533]  ? lock_downgrade+0x900/0x900
[  269.657689]  ? trace_hardirqs_off+0xb8/0x310
[  269.662094]  ? trace_hardirqs_off+0xb8/0x310
[  269.666505]  __alloc_pages_slowpath+0x2651/0x2de0
[  269.671356]  ? warn_alloc+0x120/0x120
[  269.675237]  ? warn_alloc+0x120/0x120
[  269.679035]  ? warn_alloc+0x120/0x120
[  269.682842]  ? print_usage_bug+0xc0/0xc0
[  269.686895]  ? print_usage_bug+0xc0/0xc0
[  269.690946]  ? ktime_get+0x2c1/0x400
[  269.694657]  ? check_preemption_disabled+0x48/0x280
[  269.699655]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.704139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.709664]  ? should_fail+0x22d/0xd01
[  269.713536]  ? kasan_check_read+0x11/0x20
[  269.717669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.722762]  ? __lock_acquire+0x62f/0x4c20
[  269.726997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.732100]  ? should_fail+0x22d/0xd01
[  269.735978]  ? print_usage_bug+0xc0/0xc0
[  269.740035]  ? mark_held_locks+0x130/0x130
[  269.744256]  ? mark_held_locks+0x130/0x130
[  269.748478]  ? check_preemption_disabled+0x48/0x280
[  269.753584]  ? zap_class+0x640/0x640
[  269.757288]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.762034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.767580]  ? check_preemption_disabled+0x48/0x280
[  269.772605]  ? __lock_is_held+0xb5/0x140
[  269.776658]  __alloc_pages_nodemask+0xad8/0xea0
[  269.781315]  ? zap_class+0x640/0x640
[  269.785019]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  269.790030]  ? find_held_lock+0x36/0x1c0
[  269.794084]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.798755]  ? lock_downgrade+0x900/0x900
[  269.802892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.808439]  cache_grow_begin+0xa5/0x8c0
[  269.812483]  ? do_raw_spin_unlock+0xa7/0x330
[  269.816886]  fallback_alloc+0x204/0x2e0
[  269.820861]  ____cache_alloc_node+0x1c7/0x1e0
[  269.825347]  kmem_cache_alloc_node+0xe3/0x730
[  269.829843]  ? __kmalloc_node_track_caller+0x50/0x70
[  269.834936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.840464]  __alloc_skb+0x119/0x770
[  269.844163]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.849518]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.853920]  ? vprintk_default+0x28/0x30
[  269.857967]  ? vprintk_func+0x85/0x181
[  269.861854]  ? printk+0xa7/0xcf
[  269.865130]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  269.869878]  new_skb+0x26/0x1c0
[  269.873145]  aoecmd_cfg+0x279/0x7f0
[  269.876762]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  269.881073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.886605]  ? __lock_is_held+0xb5/0x140
[  269.890664]  discover_timer+0x50/0x60
[  269.894448]  call_timer_fn+0x272/0x920
[  269.898322]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  269.903161]  ? process_timeout+0x40/0x40
[  269.907221]  ? mark_held_locks+0xc7/0x130
[  269.911359]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.915843]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.920323]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  269.925154]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.929723]  ? trace_hardirqs_on+0xbd/0x310
[  269.934031]  ? kasan_check_read+0x11/0x20
[  269.938169]  ? __run_timers+0x7da/0xc70
[  269.942132]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.947243]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  269.952074]  __run_timers+0x7e5/0xc70
[  269.955873]  ? timer_fixup_init+0x70/0x70
[  269.960007]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.965026]  ? zap_class+0x640/0x640
[  269.968744]  ? print_usage_bug+0xc0/0xc0
[  269.972793]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.977973]  ? find_held_lock+0x36/0x1c0
[  269.982028]  ? zap_class+0x640/0x640
[  269.985733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.991261]  ? check_preemption_disabled+0x48/0x280
[  269.996270]  ? __lock_is_held+0xb5/0x140
[  270.000316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.005837]  ? check_preemption_disabled+0x48/0x280
[  270.010841]  run_timer_softirq+0x52/0xb0
[  270.014892]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.019898]  __do_softirq+0x308/0xb7e
[  270.023683]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.028163]  ? lock_downgrade+0x900/0x900
[  270.032297]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.037392]  ? pvclock_read_flags+0x160/0x160
[  270.041875]  ? lapic_next_event+0x5a/0x90
[  270.046013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.051538]  ? kvm_clock_read+0x18/0x30
[  270.055497]  ? kvm_sched_clock_read+0x9/0x20
[  270.059890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.065428]  ? check_preemption_disabled+0x48/0x280
[  270.070436]  irq_exit+0x17f/0x1c0
[  270.073881]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.078710]  ? smp_reschedule_interrupt+0x109/0x650
[  270.083714]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.089585]  ? interrupt_entry+0xb5/0xc0
[  270.093636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.098639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.103651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.108480]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.113479]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.118519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.123356]  apic_timer_interrupt+0xf/0x20
[  270.127582]  </IRQ>
[  270.129818] RIP: 0010:dump_stack+0x358/0x39d
[  270.134214] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  270.153102] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  270.160798] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  270.168053] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  270.175320] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  270.182595] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  270.189852] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  270.197117]  ? dump_stack+0x34f/0x39d
[  270.200919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.206103]  ? mark_held_locks+0x130/0x130
[  270.210323]  ? mark_held_locks+0x130/0x130
[  270.214546]  dump_header+0x27b/0xf72
[  270.218283]  ? pagefault_out_of_memory+0x197/0x197
[  270.223203]  ? __lock_acquire+0x62f/0x4c20
[  270.227423]  ? percpu_ref_get_many+0x240/0x240
[  270.232088]  ? print_usage_bug+0xc0/0xc0
[  270.236138]  ? zap_class+0x640/0x640
[  270.239842]  ? print_usage_bug+0xc0/0xc0
[  270.243889]  ? print_usage_bug+0xc0/0xc0
[  270.247934]  ? zap_class+0x640/0x640
[  270.251636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.257161]  ? find_held_lock+0x36/0x1c0
[  270.261230]  ? mark_held_locks+0xc7/0x130
[  270.265365]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  270.270452]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  270.275540]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.280113]  ? trace_hardirqs_on+0xbd/0x310
[  270.284419]  ? kasan_check_read+0x11/0x20
[  270.288554]  ? ___ratelimit+0x3b4/0x672
[  270.292520]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.297615]  ? trace_hardirqs_on+0x310/0x310
[  270.302013]  ? lock_downgrade+0x900/0x900
[  270.306157]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.311253]  ? ___ratelimit+0x3b9/0x672
[  270.315227]  ? idr_get_free+0xf70/0xf70
[  270.319185]  ? find_held_lock+0x36/0x1c0
[  270.323242]  oom_kill_process.cold.27+0x10/0x903
[  270.327987]  ? zap_class+0x640/0x640
[  270.331684]  ? check_preemption_disabled+0x48/0x280
[  270.336690]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.341605]  ? kasan_check_read+0x11/0x20
[  270.345737]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.351003]  ? oom_evaluate_task+0x540/0x540
[  270.355403]  ? find_held_lock+0x36/0x1c0
[  270.359458]  ? out_of_memory+0x974/0x1430
[  270.363602]  ? lock_downgrade+0x900/0x900
[  270.367736]  ? check_preemption_disabled+0x48/0x280
[  270.372738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.377659]  ? kasan_check_read+0x11/0x20
[  270.381794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.387056]  ? rcu_softirq_qs+0x20/0x20
[  270.391038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.396567]  ? oom_evaluate_task+0x302/0x540
[  270.400975]  out_of_memory+0xa84/0x1430
[  270.404938]  ? oom_killer_disable+0x3a0/0x3a0
[  270.409417]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  270.414336]  ? __ww_mutex_check_waiters+0x160/0x160
[  270.419353]  __alloc_pages_slowpath+0x232c/0x2de0
[  270.424210]  ? warn_alloc+0x120/0x120
[  270.427997]  ? mark_held_locks+0x130/0x130
[  270.432219]  ? find_get_entry+0xaae/0x1120
[  270.436449]  ? filemap_map_pages+0x1a20/0x1a20
[  270.441019]  ? zap_class+0x640/0x640
[  270.444720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.450244]  ? check_preemption_disabled+0x48/0x280
[  270.455247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.460769]  ? should_fail+0x22d/0xd01
[  270.464646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.469735]  ? zap_class+0x640/0x640
[  270.473453]  ? __lock_is_held+0xb5/0x140
[  270.477509]  ? mark_held_locks+0x130/0x130
[  270.481737]  ? lock_release+0xa00/0xa00
[  270.485705]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.491154]  ? xa_load+0x2ba/0x460
[  270.494682]  ? lock_downgrade+0x900/0x900
[  270.498816]  ? __might_sleep+0x95/0x190
[  270.502779]  __alloc_pages_nodemask+0xad8/0xea0
[  270.507438]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  270.512438]  ? __page_cache_alloc+0x191/0x5c0
[  270.516916]  ? xa_load+0x2e1/0x460
[  270.520442]  ? xa_clear_mark+0x40/0x40
[  270.524319]  ? zap_class+0x640/0x640
[  270.528024]  ? zap_class+0x640/0x640
[  270.531869]  ? zap_class+0x640/0x640
[  270.535571]  ? __do_page_cache_readahead+0x663/0x810
[  270.540661]  ? find_held_lock+0x36/0x1c0
[  270.544711]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.550254]  alloc_pages_current+0x173/0x350
[  270.554672]  __page_cache_alloc+0x38c/0x5c0
[  270.558975]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.563888]  ? kasan_check_read+0x11/0x20
[  270.568019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.573294]  ? generic_perform_write+0x6a0/0x6a0
[  270.578041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.583574]  ? check_preemption_disabled+0x48/0x280
[  270.588594]  filemap_fault+0x1595/0x25f0
[  270.592651]  ? __lock_page_or_retry+0xa00/0xa00
[  270.597307]  ? mark_held_locks+0x130/0x130
[  270.601540]  ? filemap_map_pages+0xd6b/0x1a20
[  270.606032]  ? lock_downgrade+0x900/0x900
[  270.610197]  ? check_preemption_disabled+0x48/0x280
[  270.615212]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.620123]  ? kasan_check_read+0x11/0x20
[  270.624258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.629518]  ? rcu_softirq_qs+0x20/0x20
[  270.633491]  ? filemap_map_pages+0xd92/0x1a20
[  270.637984]  ? find_get_entries_tag+0x1400/0x1400
[  270.642816]  ? __kernel_text_address+0xd/0x40
[  270.647302]  ? unwind_get_return_address+0x61/0xa0
[  270.652231]  ? lock_acquire+0x1ed/0x520
[  270.656198]  ? ext4_filemap_fault+0x7a/0xad
[  270.660515]  ? lock_release+0xa00/0xa00
[  270.664475]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.669909]  ? print_usage_bug+0xc0/0xc0
[  270.673959]  ? print_usage_bug+0xc0/0xc0
[  270.678005]  ? __x64_sys_read+0x73/0xb0
[  270.681969]  ? print_usage_bug+0xc0/0xc0
[  270.686031]  ? down_read+0x8d/0x120
[  270.689652]  ? ext4_filemap_fault+0x7a/0xad
[  270.693964]  ? __down_interruptible+0x700/0x700
[  270.699091]  ext4_filemap_fault+0x82/0xad
[  270.703227]  __do_fault+0x100/0x6b0
[  270.706847]  ? trace_hardirqs_on+0xbd/0x310
[  270.711163]  ? pmd_devmap_trans_unstable+0x220/0x220
[  270.716261]  ? mark_held_locks+0x130/0x130
[  270.720484]  ? mark_held_locks+0x130/0x130
[  270.724706]  ? do_syslog+0x147b/0x1690
[  270.728582]  ? do_syslog+0x309/0x1690
[  270.732376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.737902]  __handle_mm_fault+0x3ea0/0x5be0
[  270.742326]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  270.747167]  ? find_held_lock+0x36/0x1c0
[  270.751231]  ? zap_class+0x640/0x640
[  270.754933]  ? zap_class+0x640/0x640
[  270.758637]  ? find_held_lock+0x36/0x1c0
[  270.762691]  ? handle_mm_fault+0x42a/0xc70
[  270.766911]  ? lock_downgrade+0x900/0x900
[  270.771049]  ? check_preemption_disabled+0x48/0x280
[  270.776076]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.780991]  ? kasan_check_read+0x11/0x20
[  270.785123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.790388]  ? rcu_softirq_qs+0x20/0x20
[  270.794348]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.799437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.804958]  ? check_preemption_disabled+0x48/0x280
[  270.809966]  handle_mm_fault+0x54f/0xc70
[  270.814019]  ? __handle_mm_fault+0x5be0/0x5be0
[  270.818599]  ? find_vma+0x34/0x190
[  270.822129]  __do_page_fault+0x5e8/0xe60
[  270.826177]  ? trace_hardirqs_off+0xb8/0x310
[  270.830572]  ? kernel_write+0x120/0x120
[  270.834543]  do_page_fault+0xf2/0x7e0
[  270.838330]  ? vmalloc_sync_all+0x30/0x30
[  270.842468]  ? error_entry+0x70/0xd0
[  270.846169]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.851182]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.856104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.861029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.865863]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.870865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.876394]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  270.881401]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.886403]  ? page_fault+0x8/0x30
[  270.889934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.894765]  ? page_fault+0x8/0x30
[  270.898293]  page_fault+0x1e/0x30
[  270.901731] RIP: 0033:0x7f71188e71fd
[  270.905441] Code: Bad RIP value.
[  270.908789] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  270.914145] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  270.921425] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  270.928682] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  270.935936] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  270.943190] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  270.950465] warn_alloc_show_mem: 1 callbacks suppressed
[  270.950474] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  270.950475] Mem-Info:
[  270.950503] active_anon:46284 inactive_anon:276 isolated_anon:0
[  270.950503]  active_file:13 inactive_file:11 isolated_file:0
[  270.950503]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.950503]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  270.950503]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  270.950503]  free:13741 free_pcp:339 free_cma:0
[  270.955829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.963090] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.965473] Call Trace:
[  270.998319] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  271.007650]  <IRQ>
[  271.035285] lowmem_reserve[]: 0 2818 6321 6321
[  271.037856]  dump_stack+0x244/0x39d
[  271.063924] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  271.066075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.070617] lowmem_reserve[]: 0 0 3503 3503
[  271.074237]  warn_alloc.cold.116+0xb7/0x1bd
[  271.101777] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  271.106971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.111251] lowmem_reserve[]: 0 0 0 0
[  271.115561]  ? lock_downgrade+0x900/0x900
[  271.144585] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  271.149411]  ? trace_hardirqs_off+0xb8/0x310
[  271.153168] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  271.157307]  ? trace_hardirqs_off+0xb8/0x310
[  271.170786] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  271.175188]  __alloc_pages_slowpath+0x2651/0x2de0
[  271.190328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.194737]  ? warn_alloc+0x120/0x120
[  271.209602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.214422]  ? warn_alloc+0x120/0x120
[  271.223222] 358 total pagecache pages
[  271.227011]  ? warn_alloc+0x120/0x120
[  271.235558] 0 pages in swap cache
[  271.239340]  ? print_usage_bug+0xc0/0xc0
[  271.243111] Swap cache stats: add 0, delete 0, find 0/0
[  271.246892]  ? enqueue_hrtimer+0x1a5/0x560
[  271.250310] Free swap  = 0kB
[  271.254352]  ? print_usage_bug+0xc0/0xc0
[  271.259679] Total swap = 0kB
[  271.263904]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.266890] 1965979 pages RAM
[  271.270934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.273910] 0 pages HighMem/MovableOnly
[  271.273916] 342854 pages reserved
[  271.279084]  ? should_fail+0x22d/0xd01
[  271.282152] 0 pages cma reserved
[  271.282213] aoe: skb alloc failure
[  271.287674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.291662] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.295055]  ? __lock_acquire+0x62f/0x4c20
[  271.298907] rsyslogd cpuset=/ mems_allowed=0
[  271.302258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.334537]  ? __lock_acquire+0x62f/0x4c20
[  271.338754]  ? should_fail+0x22d/0xd01
[  271.342636]  ? mark_held_locks+0x130/0x130
[  271.346859]  ? mark_held_locks+0x130/0x130
[  271.351082]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  271.356086]  ? ktime_get+0x2c1/0x400
[  271.359791]  ? zap_class+0x640/0x640
[  271.363488]  ? print_usage_bug+0xc0/0xc0
[  271.367538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.373064]  ? check_preemption_disabled+0x48/0x280
[  271.378074]  ? __lock_is_held+0xb5/0x140
[  271.382125]  __alloc_pages_nodemask+0xad8/0xea0
[  271.386779]  ? zap_class+0x640/0x640
[  271.390485]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  271.395494]  ? find_held_lock+0x36/0x1c0
[  271.399547]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.404203]  ? lock_downgrade+0x900/0x900
[  271.408356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.413880]  cache_grow_begin+0xa5/0x8c0
[  271.417925]  ? do_raw_spin_unlock+0xa7/0x330
[  271.422326]  fallback_alloc+0x204/0x2e0
[  271.426295]  ____cache_alloc_node+0x1c7/0x1e0
[  271.430795]  kmem_cache_alloc_node+0xe3/0x730
[  271.435278]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.439507]  __alloc_skb+0x119/0x770
[  271.443207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.448471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.452872]  ? lock_downgrade+0x900/0x900
[  271.457011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.462545]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.467995]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.473429]  ? addrconf_rs_timer+0x690/0x690
[  271.477842]  ndisc_alloc_skb+0x144/0x340
[  271.481892]  ndisc_send_rs+0x331/0x6e0
[  271.485770]  addrconf_rs_timer+0x314/0x690
[  271.490004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.494229]  call_timer_fn+0x272/0x920
[  271.498104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.502321]  ? process_timeout+0x40/0x40
[  271.506376]  ? __run_timers+0x7da/0xc70
[  271.510336]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.514817]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.519300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.523524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.528092]  ? trace_hardirqs_on+0xbd/0x310
[  271.532397]  ? kasan_check_read+0x11/0x20
[  271.536527]  ? __run_timers+0x7da/0xc70
[  271.540485]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.545578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.549884]  __run_timers+0x7e5/0xc70
[  271.553679]  ? timer_fixup_init+0x70/0x70
[  271.557819]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.562833]  ? zap_class+0x640/0x640
[  271.566536]  ? enqueue_hrtimer+0x1a5/0x560
[  271.570759]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.575940]  ? find_held_lock+0x36/0x1c0
[  271.580010]  ? zap_class+0x640/0x640
[  271.583710]  ? pvclock_read_flags+0x160/0x160
[  271.588194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.593717]  ? check_preemption_disabled+0x48/0x280
[  271.598723]  ? __lock_is_held+0xb5/0x140
[  271.602771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.608295]  ? check_preemption_disabled+0x48/0x280
[  271.613300]  run_timer_softirq+0x52/0xb0
[  271.617348]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.622353]  __do_softirq+0x308/0xb7e
[  271.626140]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.630621]  ? lock_downgrade+0x900/0x900
[  271.634759]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.639883]  ? pvclock_read_flags+0x160/0x160
[  271.644369]  ? lapic_next_event+0x5a/0x90
[  271.648505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.654032]  ? kvm_clock_read+0x18/0x30
[  271.657990]  ? kvm_sched_clock_read+0x9/0x20
[  271.662386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.667914]  ? check_preemption_disabled+0x48/0x280
[  271.672924]  irq_exit+0x17f/0x1c0
[  271.676387]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.681223]  ? smp_reschedule_interrupt+0x109/0x650
[  271.686230]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.692108]  ? interrupt_entry+0xb5/0xc0
[  271.696163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.701173]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.706180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.711010]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.716015]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.721019]  ? task_prio+0x50/0x50
[  271.724546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.730070]  ? check_preemption_disabled+0x48/0x280
[  271.735079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.739927]  apic_timer_interrupt+0xf/0x20
[  271.744152]  </IRQ>
[  271.746378] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.751297] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  271.770180] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  271.777902] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.785158] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  271.792411] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  271.799662] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.806915] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  271.814208]  skb_clone+0x1bb/0x500
[  271.817737]  ? finish_task_switch+0x615/0x910
[  271.822219]  ? skb_split+0x11e0/0x11e0
[  271.826095]  ? preempt_notifier_register+0x200/0x200
[  271.831182]  ? __switch_to_asm+0x34/0x70
[  271.835233]  ? __switch_to_asm+0x34/0x70
[  271.839281]  ? __switch_to_asm+0x40/0x70
[  271.843327]  ? __switch_to_asm+0x34/0x70
[  271.847370]  ? __switch_to_asm+0x40/0x70
[  271.851414]  ? __switch_to_asm+0x34/0x70
[  271.855466]  ? __switch_to_asm+0x40/0x70
[  271.859512]  ? __switch_to_asm+0x34/0x70
[  271.863558]  ? __switch_to_asm+0x34/0x70
[  271.867606]  ? __switch_to_asm+0x40/0x70
[  271.871649]  ? __switch_to_asm+0x34/0x70
[  271.875704]  bpf_clone_redirect+0xb9/0x490
[  271.879930]  ? __schedule+0x8d7/0x21d0
[  271.883822]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  271.888826]  ? __sched_text_start+0x8/0x8
[  271.892990]  ? retint_kernel+0x2d/0x2d
[  271.896869]  ? find_held_lock+0x36/0x1c0
[  271.900926]  ? lock_acquire+0x1ed/0x520
[  271.904897]  ? bpf_test_run+0x3ee/0x7a0
[  271.908854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.914376]  ? check_preemption_disabled+0x48/0x280
[  271.919385]  ? kasan_check_read+0x11/0x20
[  271.923522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.928783]  ? rcu_softirq_qs+0x20/0x20
[  271.932747]  ? preempt_schedule+0x4d/0x60
[  271.936883]  ? ___preempt_schedule+0x16/0x18
[  271.941285]  ? bpf_test_run+0x271/0x7a0
[  271.945258]  ? eth_type_trans+0x2ea/0x760
[  271.949397]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.953792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.959315]  ? bpf_test_init.isra.10+0x70/0x100
[  271.963982]  ? bpf_prog_test_run_skb+0x762/0xd60
[  271.968726]  ? apparmor_cred_transfer+0x590/0x590
[  271.973558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.978391]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.983916]  ? fput+0x130/0x1a0
[  271.987196]  ? __bpf_prog_get+0x9b/0x290
[  271.991247]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.996073]  ? bpf_prog_test_run+0x130/0x1a0
[  272.000468]  ? __x64_sys_bpf+0x3d8/0x520
[  272.004513]  ? bpf_prog_get+0x20/0x20
[  272.008314]  ? do_syscall_64+0x1b9/0x820
[  272.012361]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  272.017709]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.022625]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.027625]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.032629]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  272.039278]  ? __switch_to_asm+0x40/0x70
[  272.043328]  ? __switch_to_asm+0x34/0x70
[  272.047382]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.052237]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  272.057599] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  272.057646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.064423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.064431] Call Trace:
[  272.064436]  <IRQ>
[  272.064449]  dump_stack+0x244/0x39d
[  272.064465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.070991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.080268]  warn_alloc.cold.116+0xb7/0x1bd
[  272.082811] syz-executor4 cpuset=syz4 mems_allowed=0
[  272.084942]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.118373]  ? lock_downgrade+0x900/0x900
[  272.122519]  ? trace_hardirqs_off+0xb8/0x310
[  272.126932]  ? trace_hardirqs_off+0xb8/0x310
[  272.131340]  __alloc_pages_slowpath+0x2651/0x2de0
[  272.136189]  ? warn_alloc+0x120/0x120
[  272.139998]  ? warn_alloc+0x120/0x120
[  272.143790]  ? warn_alloc+0x120/0x120
[  272.147578]  ? print_usage_bug+0xc0/0xc0
[  272.151630]  ? print_usage_bug+0xc0/0xc0
[  272.155688]  ? ktime_get+0x2c1/0x400
[  272.159389]  ? check_preemption_disabled+0x48/0x280
[  272.164405]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.168889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.174423]  ? should_fail+0x22d/0xd01
[  272.178295]  ? kasan_check_read+0x11/0x20
[  272.182432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.187525]  ? __lock_acquire+0x62f/0x4c20
[  272.191749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.196857]  ? should_fail+0x22d/0xd01
[  272.200736]  ? print_usage_bug+0xc0/0xc0
[  272.204791]  ? mark_held_locks+0x130/0x130
[  272.209012]  ? mark_held_locks+0x130/0x130
[  272.213247]  ? check_preemption_disabled+0x48/0x280
[  272.218257]  ? zap_class+0x640/0x640
[  272.221967]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.226710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.232231]  ? check_preemption_disabled+0x48/0x280
[  272.237241]  ? __lock_is_held+0xb5/0x140
[  272.241288]  __alloc_pages_nodemask+0xad8/0xea0
[  272.245945]  ? zap_class+0x640/0x640
[  272.249651]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  272.254661]  ? find_held_lock+0x36/0x1c0
[  272.258711]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.263367]  ? lock_downgrade+0x900/0x900
[  272.267507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.273033]  cache_grow_begin+0xa5/0x8c0
[  272.277079]  ? do_raw_spin_unlock+0xa7/0x330
[  272.281479]  fallback_alloc+0x204/0x2e0
[  272.285450]  ____cache_alloc_node+0x1c7/0x1e0
[  272.289935]  kmem_cache_alloc_node+0xe3/0x730
[  272.294421]  ? __kmalloc_node_track_caller+0x50/0x70
[  272.299510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.305041]  __alloc_skb+0x119/0x770
[  272.308740]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.314092]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.318494]  ? vprintk_default+0x28/0x30
[  272.322541]  ? vprintk_func+0x85/0x181
[  272.326421]  ? printk+0xa7/0xcf
[  272.329685]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  272.334435]  new_skb+0x26/0x1c0
[  272.337701]  aoecmd_cfg+0x279/0x7f0
[  272.341321]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  272.345631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.351165]  ? __lock_is_held+0xb5/0x140
[  272.355226]  discover_timer+0x50/0x60
[  272.359016]  call_timer_fn+0x272/0x920
[  272.362890]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  272.367725]  ? process_timeout+0x40/0x40
[  272.371781]  ? mark_held_locks+0xc7/0x130
[  272.375918]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.380410]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.384899]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  272.389726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.394316]  ? trace_hardirqs_on+0xbd/0x310
[  272.398623]  ? kasan_check_read+0x11/0x20
[  272.402752]  ? __run_timers+0x7da/0xc70
[  272.406712]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.411810]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  272.416637]  __run_timers+0x7e5/0xc70
[  272.420431]  ? timer_fixup_init+0x70/0x70
[  272.424583]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.429586]  ? zap_class+0x640/0x640
[  272.433302]  ? print_usage_bug+0xc0/0xc0
[  272.437349]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.442530]  ? find_held_lock+0x36/0x1c0
[  272.446578]  ? zap_class+0x640/0x640
[  272.450286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.455823]  ? check_preemption_disabled+0x48/0x280
[  272.460833]  ? __lock_is_held+0xb5/0x140
[  272.464878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.470415]  ? check_preemption_disabled+0x48/0x280
[  272.475433]  run_timer_softirq+0x52/0xb0
[  272.479486]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.484486]  __do_softirq+0x308/0xb7e
[  272.488274]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.492758]  ? lock_downgrade+0x900/0x900
[  272.496901]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.502002]  ? pvclock_read_flags+0x160/0x160
[  272.506495]  ? lapic_next_event+0x5a/0x90
[  272.510641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.516167]  ? kvm_clock_read+0x18/0x30
[  272.520124]  ? kvm_sched_clock_read+0x9/0x20
[  272.524516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.530298]  ? check_preemption_disabled+0x48/0x280
[  272.535416]  irq_exit+0x17f/0x1c0
[  272.538873]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.543726]  ? smp_reschedule_interrupt+0x109/0x650
[  272.548732]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.554605]  ? interrupt_entry+0xb5/0xc0
[  272.558654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.563659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.568659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.573485]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.578486]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.583497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.588330]  apic_timer_interrupt+0xf/0x20
[  272.592548]  </IRQ>
[  272.594775] RIP: 0010:dump_stack+0x358/0x39d
[  272.599176] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  272.618059] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  272.625749] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  272.633023] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  272.640284] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  272.647568] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  272.654821] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  272.662093]  ? dump_stack+0x34f/0x39d
[  272.665895]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.671091]  ? mark_held_locks+0x130/0x130
[  272.675325]  ? mark_held_locks+0x130/0x130
[  272.679555]  dump_header+0x27b/0xf72
[  272.683264]  ? pagefault_out_of_memory+0x197/0x197
[  272.688186]  ? __lock_acquire+0x62f/0x4c20
[  272.692408]  ? percpu_ref_get_many+0x240/0x240
[  272.697417]  ? print_usage_bug+0xc0/0xc0
[  272.701472]  ? zap_class+0x640/0x640
[  272.705176]  ? print_usage_bug+0xc0/0xc0
[  272.709221]  ? print_usage_bug+0xc0/0xc0
[  272.713269]  ? zap_class+0x640/0x640
[  272.716976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.722522]  ? find_held_lock+0x36/0x1c0
[  272.726573]  ? mark_held_locks+0xc7/0x130
[  272.730711]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.735796]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.740890]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.745458]  ? trace_hardirqs_on+0xbd/0x310
[  272.749769]  ? kasan_check_read+0x11/0x20
[  272.753911]  ? ___ratelimit+0x3b4/0x672
[  272.757891]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.762983]  ? trace_hardirqs_on+0x310/0x310
[  272.767382]  ? lock_downgrade+0x900/0x900
[  272.771517]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.776616]  ? ___ratelimit+0x3b9/0x672
[  272.780577]  ? idr_get_free+0xf70/0xf70
[  272.784539]  ? find_held_lock+0x36/0x1c0
[  272.788592]  oom_kill_process.cold.27+0x10/0x903
[  272.793334]  ? zap_class+0x640/0x640
[  272.797040]  ? check_preemption_disabled+0x48/0x280
[  272.802043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.806960]  ? kasan_check_read+0x11/0x20
[  272.811098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.816377]  ? oom_evaluate_task+0x540/0x540
[  272.820771]  ? find_held_lock+0x36/0x1c0
[  272.824821]  ? out_of_memory+0x974/0x1430
[  272.828953]  ? lock_downgrade+0x900/0x900
[  272.833087]  ? check_preemption_disabled+0x48/0x280
[  272.838091]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.843008]  ? kasan_check_read+0x11/0x20
[  272.847141]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.852401]  ? rcu_softirq_qs+0x20/0x20
[  272.856366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.861887]  ? oom_evaluate_task+0x302/0x540
[  272.866286]  out_of_memory+0xa84/0x1430
[  272.870248]  ? oom_killer_disable+0x3a0/0x3a0
[  272.874731]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  272.879650]  ? __ww_mutex_check_waiters+0x160/0x160
[  272.884660]  __alloc_pages_slowpath+0x232c/0x2de0
[  272.889511]  ? warn_alloc+0x120/0x120
[  272.893293]  ? mark_held_locks+0x130/0x130
[  272.897517]  ? find_get_entry+0xaae/0x1120
[  272.901746]  ? filemap_map_pages+0x1a20/0x1a20
[  272.906315]  ? zap_class+0x640/0x640
[  272.910016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.915536]  ? check_preemption_disabled+0x48/0x280
[  272.920558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.926095]  ? should_fail+0x22d/0xd01
[  272.929980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.935079]  ? zap_class+0x640/0x640
[  272.938801]  ? __lock_is_held+0xb5/0x140
[  272.942866]  ? mark_held_locks+0x130/0x130
[  272.947095]  ? lock_release+0xa00/0xa00
[  272.951058]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.956495]  ? xa_load+0x2ba/0x460
[  272.960026]  ? lock_downgrade+0x900/0x900
[  272.964164]  ? __might_sleep+0x95/0x190
[  272.968131]  __alloc_pages_nodemask+0xad8/0xea0
[  272.972787]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  272.977793]  ? __page_cache_alloc+0x191/0x5c0
[  272.982277]  ? xa_load+0x2e1/0x460
[  272.985822]  ? xa_clear_mark+0x40/0x40
[  272.989700]  ? zap_class+0x640/0x640
[  272.993406]  ? zap_class+0x640/0x640
[  272.997103]  ? zap_class+0x640/0x640
[  273.000821]  ? __do_page_cache_readahead+0x663/0x810
[  273.005919]  ? find_held_lock+0x36/0x1c0
[  273.009972]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  273.015505]  alloc_pages_current+0x173/0x350
[  273.019905]  __page_cache_alloc+0x38c/0x5c0
[  273.024301]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.029219]  ? kasan_check_read+0x11/0x20
[  273.033359]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.038625]  ? generic_perform_write+0x6a0/0x6a0
[  273.043371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.048911]  ? check_preemption_disabled+0x48/0x280
[  273.053919]  filemap_fault+0x1595/0x25f0
[  273.057973]  ? __lock_page_or_retry+0xa00/0xa00
[  273.062629]  ? mark_held_locks+0x130/0x130
[  273.066862]  ? filemap_map_pages+0xd6b/0x1a20
[  273.071360]  ? lock_downgrade+0x900/0x900
[  273.075497]  ? check_preemption_disabled+0x48/0x280
[  273.080501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.085417]  ? kasan_check_read+0x11/0x20
[  273.089551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.094815]  ? rcu_softirq_qs+0x20/0x20
[  273.098788]  ? filemap_map_pages+0xd92/0x1a20
[  273.103277]  ? find_get_entries_tag+0x1400/0x1400
[  273.108107]  ? __kernel_text_address+0xd/0x40
[  273.112590]  ? unwind_get_return_address+0x61/0xa0
[  273.117517]  ? lock_acquire+0x1ed/0x520
[  273.121490]  ? ext4_filemap_fault+0x7a/0xad
[  273.125803]  ? lock_release+0xa00/0xa00
[  273.129766]  ? perf_trace_sched_process_exec+0x860/0x860
[  273.135204]  ? print_usage_bug+0xc0/0xc0
[  273.139254]  ? print_usage_bug+0xc0/0xc0
[  273.143303]  ? __x64_sys_read+0x73/0xb0
[  273.147263]  ? print_usage_bug+0xc0/0xc0
[  273.151321]  ? down_read+0x8d/0x120
[  273.154952]  ? ext4_filemap_fault+0x7a/0xad
[  273.159276]  ? __down_interruptible+0x700/0x700
[  273.163934]  ext4_filemap_fault+0x82/0xad
[  273.168069]  __do_fault+0x100/0x6b0
[  273.171680]  ? trace_hardirqs_on+0xbd/0x310
[  273.175991]  ? pmd_devmap_trans_unstable+0x220/0x220
[  273.181084]  ? mark_held_locks+0x130/0x130
[  273.185318]  ? mark_held_locks+0x130/0x130
[  273.189542]  ? do_syslog+0x147b/0x1690
[  273.193417]  ? do_syslog+0x309/0x1690
[  273.197206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.202732]  __handle_mm_fault+0x3ea0/0x5be0
[  273.207134]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  273.211968]  ? find_held_lock+0x36/0x1c0
[  273.216029]  ? zap_class+0x640/0x640
[  273.219727]  ? zap_class+0x640/0x640
[  273.223434]  ? find_held_lock+0x36/0x1c0
[  273.227487]  ? handle_mm_fault+0x42a/0xc70
[  273.231714]  ? lock_downgrade+0x900/0x900
[  273.235866]  ? check_preemption_disabled+0x48/0x280
[  273.240883]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.245801]  ? kasan_check_read+0x11/0x20
[  273.249968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.255230]  ? rcu_softirq_qs+0x20/0x20
[  273.259186]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.264277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.269801]  ? check_preemption_disabled+0x48/0x280
[  273.274830]  handle_mm_fault+0x54f/0xc70
[  273.278881]  ? __handle_mm_fault+0x5be0/0x5be0
[  273.283456]  ? find_vma+0x34/0x190
[  273.286989]  __do_page_fault+0x5e8/0xe60
[  273.291120]  ? trace_hardirqs_off+0xb8/0x310
[  273.295510]  ? kernel_write+0x120/0x120
[  273.299476]  do_page_fault+0xf2/0x7e0
[  273.303265]  ? vmalloc_sync_all+0x30/0x30
[  273.307403]  ? error_entry+0x70/0xd0
[  273.311106]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.316110]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.321028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.325941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.330768]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.335767]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.341201]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  273.346218]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.351220]  ? page_fault+0x8/0x30
[  273.354752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.359580]  ? page_fault+0x8/0x30
[  273.363110]  page_fault+0x1e/0x30
[  273.366548] RIP: 0033:0x7f71188e71fd
[  273.370262] Code: Bad RIP value.
[  273.373608] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  273.378956] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  273.386215] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  273.393477] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  273.400731] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  273.407983] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  273.415265] warn_alloc_show_mem: 1 callbacks suppressed
[  273.415273] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  273.415274] Mem-Info:
[  273.415299] active_anon:46284 inactive_anon:276 isolated_anon:0
[  273.415299]  active_file:13 inactive_file:11 isolated_file:0
[  273.415299]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.415299]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  273.415299]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  273.415299]  free:13741 free_pcp:339 free_cma:0
[  273.420621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.420626] Call Trace:
[  273.427894] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  273.430275]  <IRQ>
[  273.463122] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  273.472459]  dump_stack+0x244/0x39d
[  273.475002] lowmem_reserve[]: 0 2818 6321 6321
[  273.502660]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.504774] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  273.530875]  warn_alloc.cold.116+0xb7/0x1bd
[  273.534460] lowmem_reserve[]: 0 0 3503 3503
[  273.539019]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.544175] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  273.571736]  ? lock_downgrade+0x900/0x900
[  273.576030] lowmem_reserve[]: 0 0 0 0
[  273.580337]  ? trace_hardirqs_off+0xb8/0x310
[  273.585142] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  273.614196]  ? trace_hardirqs_off+0xb8/0x310
[  273.618309] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  273.622272]  __alloc_pages_slowpath+0x2651/0x2de0
[  273.626637] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  273.640173]  ? warn_alloc+0x120/0x120
[  273.644556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.659700]  ? print_usage_bug+0xc0/0xc0
[  273.664511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.679397]  ? warn_alloc+0x120/0x120
[  273.683165] 358 total pagecache pages
[  273.691975]  ? warn_alloc+0x120/0x120
[  273.696010] 0 pages in swap cache
[  273.704562]  ? print_usage_bug+0xc0/0xc0
[  273.708329] Swap cache stats: add 0, delete 0, find 0/0
[  273.712106]  ? kvm_clock_read+0x18/0x30
[  273.715872] Free swap  = 0kB
[  273.719301]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  273.719315]  ? print_usage_bug+0xc0/0xc0
[  273.723338] Total swap = 0kB
[  273.728679]  ? __lock_acquire+0x62f/0x4c20
[  273.732617] 1965979 pages RAM
[  273.735703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.740685] 0 pages HighMem/MovableOnly
[  273.744724]  ? should_fail+0x22d/0xd01
[  273.747706] 342854 pages reserved
[  273.747711] 0 pages cma reserved
[  273.751923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.755054] aoe: skb alloc failure
[  273.760614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.760637]  ? __lock_acquire+0x62f/0x4c20
[  273.760652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.764613] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.768458]  ? __lock_acquire+0x62f/0x4c20
[  273.771879] rsyslogd cpuset=/ mems_allowed=0
[  273.775222]  ? should_fail+0x22d/0xd01
[  273.820814]  ? rcu_irq_exit+0x1a2/0x390
[  273.824793]  ? mark_held_locks+0x130/0x130
[  273.829016]  ? mark_held_locks+0x130/0x130
[  273.833241]  ? mark_held_locks+0xc7/0x130
[  273.837371]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  273.842374]  ? zap_class+0x640/0x640
[  273.846074]  ? print_usage_bug+0xc0/0xc0
[  273.850125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.855649]  ? check_preemption_disabled+0x48/0x280
[  273.860683]  ? __lock_is_held+0xb5/0x140
[  273.864737]  __alloc_pages_nodemask+0xad8/0xea0
[  273.869396]  ? zap_class+0x640/0x640
[  273.873099]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  273.878110]  ? find_held_lock+0x36/0x1c0
[  273.882165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.886820]  ? lock_downgrade+0x900/0x900
[  273.890968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.896497]  cache_grow_begin+0xa5/0x8c0
[  273.900552]  ? do_raw_spin_unlock+0xa7/0x330
[  273.904965]  fallback_alloc+0x204/0x2e0
[  273.908962]  ____cache_alloc_node+0x1c7/0x1e0
[  273.913448]  kmem_cache_alloc_node+0xe3/0x730
[  273.917932]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.922164]  __alloc_skb+0x119/0x770
[  273.925863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.931132]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.935525]  ? lock_downgrade+0x900/0x900
[  273.939694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.945220]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.950666]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.956099]  ? addrconf_rs_timer+0x690/0x690
[  273.960498]  ndisc_alloc_skb+0x144/0x340
[  273.964545]  ndisc_send_rs+0x331/0x6e0
[  273.968425]  addrconf_rs_timer+0x314/0x690
[  273.972654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.976884]  call_timer_fn+0x272/0x920
[  273.980766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.984987]  ? process_timeout+0x40/0x40
[  273.989043]  ? __run_timers+0x7da/0xc70
[  273.993007]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.997486]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.001966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.006186]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.010764]  ? trace_hardirqs_on+0xbd/0x310
[  274.015070]  ? kasan_check_read+0x11/0x20
[  274.019203]  ? __run_timers+0x7da/0xc70
[  274.023171]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.028263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.032489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.036708]  __run_timers+0x7e5/0xc70
[  274.040498]  ? timer_fixup_init+0x70/0x70
[  274.044631]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.049635]  ? zap_class+0x640/0x640
[  274.053338]  ? enqueue_hrtimer+0x1a5/0x560
[  274.057560]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.062742]  ? find_held_lock+0x36/0x1c0
[  274.066804]  ? zap_class+0x640/0x640
[  274.070508]  ? pvclock_read_flags+0x160/0x160
[  274.074991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.080517]  ? check_preemption_disabled+0x48/0x280
[  274.085525]  ? __lock_is_held+0xb5/0x140
[  274.089577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.095103]  ? check_preemption_disabled+0x48/0x280
[  274.100111]  run_timer_softirq+0x52/0xb0
[  274.104159]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.109159]  __do_softirq+0x308/0xb7e
[  274.112946]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.117437]  ? lock_downgrade+0x900/0x900
[  274.121575]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.126671]  ? pvclock_read_flags+0x160/0x160
[  274.131155]  ? lapic_next_event+0x5a/0x90
[  274.135313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.140842]  ? kvm_clock_read+0x18/0x30
[  274.144822]  ? kvm_sched_clock_read+0x9/0x20
[  274.149219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.154755]  ? check_preemption_disabled+0x48/0x280
[  274.159773]  irq_exit+0x17f/0x1c0
[  274.163222]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.168052]  ? smp_reschedule_interrupt+0x109/0x650
[  274.173054]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.178929]  ? interrupt_entry+0xb5/0xc0
[  274.182980]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.187994]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.192999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.197845]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.202859]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.207864]  ? task_prio+0x50/0x50
[  274.211395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.216930]  ? check_preemption_disabled+0x48/0x280
[  274.221938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.226772]  apic_timer_interrupt+0xf/0x20
[  274.230987]  </IRQ>
[  274.233208] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  274.238126] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  274.257117] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  274.264809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  274.272062] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  274.279322] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  274.286580] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  274.293835] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  274.301112]  skb_clone+0x1bb/0x500
[  274.304742]  ? finish_task_switch+0x615/0x910
[  274.309225]  ? skb_split+0x11e0/0x11e0
[  274.313100]  ? preempt_notifier_register+0x200/0x200
[  274.318300]  ? __switch_to_asm+0x34/0x70
[  274.322440]  ? __switch_to_asm+0x34/0x70
[  274.326484]  ? __switch_to_asm+0x40/0x70
[  274.330525]  ? __switch_to_asm+0x34/0x70
[  274.334570]  ? __switch_to_asm+0x40/0x70
[  274.338612]  ? __switch_to_asm+0x34/0x70
[  274.342659]  ? __switch_to_asm+0x40/0x70
[  274.346705]  ? __switch_to_asm+0x34/0x70
[  274.350756]  ? __switch_to_asm+0x34/0x70
[  274.354799]  ? __switch_to_asm+0x40/0x70
[  274.358842]  ? __switch_to_asm+0x34/0x70
[  274.362890]  bpf_clone_redirect+0xb9/0x490
[  274.367113]  ? __schedule+0x8d7/0x21d0
[  274.370992]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  274.375997]  ? __sched_text_start+0x8/0x8
[  274.380131]  ? retint_kernel+0x2d/0x2d
[  274.384013]  ? find_held_lock+0x36/0x1c0
[  274.388064]  ? lock_acquire+0x1ed/0x520
[  274.392024]  ? bpf_test_run+0x3ee/0x7a0
[  274.395983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.401504]  ? check_preemption_disabled+0x48/0x280
[  274.406510]  ? kasan_check_read+0x11/0x20
[  274.410646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.415911]  ? rcu_softirq_qs+0x20/0x20
[  274.419870]  ? preempt_schedule+0x4d/0x60
[  274.424001]  ? ___preempt_schedule+0x16/0x18
[  274.428412]  ? bpf_test_run+0x271/0x7a0
[  274.432380]  ? eth_type_trans+0x2ea/0x760
[  274.436513]  ? netlink_diag_dump+0x2a0/0x2a0
[  274.440911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.446431]  ? bpf_test_init.isra.10+0x70/0x100
[  274.451087]  ? bpf_prog_test_run_skb+0x762/0xd60
[  274.455835]  ? apparmor_cred_transfer+0x590/0x590
[  274.460666]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.465499]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.471019]  ? fput+0x130/0x1a0
[  274.474283]  ? __bpf_prog_get+0x9b/0x290
[  274.478341]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.483170]  ? bpf_prog_test_run+0x130/0x1a0
[  274.487567]  ? __x64_sys_bpf+0x3d8/0x520
[  274.491613]  ? bpf_prog_get+0x20/0x20
[  274.495415]  ? do_syscall_64+0x1b9/0x820
[  274.499466]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.504815]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.509741]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.514746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.519748]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  274.526396]  ? __switch_to_asm+0x40/0x70
[  274.530897]  ? __switch_to_asm+0x34/0x70
[  274.534955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.539811]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.545176] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  274.545272] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.552040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.552044] Call Trace:
[  274.552048]  <IRQ>
[  274.552062]  dump_stack+0x244/0x39d
[  274.552079]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.558596] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.567885]  warn_alloc.cold.116+0xb7/0x1bd
[  274.570432] syz-executor4 cpuset=syz4 mems_allowed=0
[  274.572559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.605965]  ? lock_downgrade+0x900/0x900
[  274.610103]  ? trace_hardirqs_off+0xb8/0x310
[  274.614504]  ? trace_hardirqs_off+0xb8/0x310
[  274.618901]  __alloc_pages_slowpath+0x2651/0x2de0
[  274.623773]  ? warn_alloc+0x120/0x120
[  274.627567]  ? warn_alloc+0x120/0x120
[  274.631354]  ? __lock_acquire+0x62f/0x4c20
[  274.635576]  ? warn_alloc+0x120/0x120
[  274.639363]  ? print_usage_bug+0xc0/0xc0
[  274.643510]  ? print_usage_bug+0xc0/0xc0
[  274.647556]  ? mark_held_locks+0x130/0x130
[  274.651881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.657418]  ? should_fail+0x22d/0xd01
[  274.661295]  ? zap_class+0x640/0x640
[  274.664996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.670086]  ? __lock_acquire+0x62f/0x4c20
[  274.674316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.679404]  ? should_fail+0x22d/0xd01
[  274.683286]  ? mark_held_locks+0x130/0x130
[  274.687507]  ? mark_held_locks+0x130/0x130
[  274.691726]  ? lock_downgrade+0x900/0x900
[  274.695864]  ? zap_class+0x640/0x640
[  274.700054]  ? zap_class+0x640/0x640
[  274.703792]  ? zap_class+0x640/0x640
[  274.707489]  ? do_raw_spin_unlock+0xa7/0x330
[  274.711886]  ? trace_hardirqs_on+0x310/0x310
[  274.716282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.721811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.727338]  ? check_preemption_disabled+0x48/0x280
[  274.732350]  ? __lock_is_held+0xb5/0x140
[  274.736409]  __alloc_pages_nodemask+0xad8/0xea0
[  274.741063]  ? zap_class+0x640/0x640
[  274.744766]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  274.749779]  ? find_held_lock+0x36/0x1c0
[  274.753833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.758486]  ? lock_downgrade+0x900/0x900
[  274.762628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.768157]  cache_grow_begin+0xa5/0x8c0
[  274.772210]  ? do_raw_spin_unlock+0xa7/0x330
[  274.776615]  fallback_alloc+0x204/0x2e0
[  274.780580]  ____cache_alloc_node+0x1c7/0x1e0
[  274.785094]  kmem_cache_alloc_node+0xe3/0x730
[  274.789575]  ? __kmalloc_node_track_caller+0x50/0x70
[  274.794665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.800200]  __alloc_skb+0x119/0x770
[  274.803897]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.809249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  274.813668]  ? vprintk_default+0x28/0x30
[  274.817732]  ? vprintk_func+0x85/0x181
[  274.821607]  ? printk+0xa7/0xcf
[  274.824870]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  274.829618]  new_skb+0x26/0x1c0
[  274.832883]  aoecmd_cfg+0x279/0x7f0
[  274.836503]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  274.840816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.846346]  ? __lock_is_held+0xb5/0x140
[  274.850413]  discover_timer+0x50/0x60
[  274.854212]  call_timer_fn+0x272/0x920
[  274.858087]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  274.862914]  ? process_timeout+0x40/0x40
[  274.866975]  ? mark_held_locks+0xc7/0x130
[  274.871113]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.875592]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.880070]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  274.884897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.889468]  ? trace_hardirqs_on+0xbd/0x310
[  274.893776]  ? kasan_check_read+0x11/0x20
[  274.897918]  ? __run_timers+0x7da/0xc70
[  274.901877]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.906972]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  274.911804]  __run_timers+0x7e5/0xc70
[  274.915609]  ? timer_fixup_init+0x70/0x70
[  274.919742]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.924745]  ? zap_class+0x640/0x640
[  274.928449]  ? print_usage_bug+0xc0/0xc0
[  274.932500]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.937683]  ? find_held_lock+0x36/0x1c0
[  274.941739]  ? zap_class+0x640/0x640
[  274.945461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.950988]  ? check_preemption_disabled+0x48/0x280
[  274.956015]  ? __lock_is_held+0xb5/0x140
[  274.960067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.965596]  ? check_preemption_disabled+0x48/0x280
[  274.970708]  run_timer_softirq+0x52/0xb0
[  274.974767]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.979773]  __do_softirq+0x308/0xb7e
[  274.983563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.988050]  ? lock_downgrade+0x900/0x900
[  274.992210]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.997310]  ? pvclock_read_flags+0x160/0x160
[  275.001798]  ? lapic_next_event+0x5a/0x90
[  275.005938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.011466]  ? kvm_clock_read+0x18/0x30
[  275.015514]  ? kvm_sched_clock_read+0x9/0x20
[  275.019911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.025450]  ? check_preemption_disabled+0x48/0x280
[  275.030545]  irq_exit+0x17f/0x1c0
[  275.033983]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.038809]  ? smp_reschedule_interrupt+0x109/0x650
[  275.043810]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.049694]  ? interrupt_entry+0xb5/0xc0
[  275.053740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.058742]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.063746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.068577]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.073578]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.078589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.083421]  apic_timer_interrupt+0xf/0x20
[  275.087635]  </IRQ>
[  275.089865] RIP: 0010:dump_stack+0x358/0x39d
[  275.094259] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  275.113141] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  275.120839] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  275.128095] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  275.135350] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  275.142603] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  275.149858] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  275.157152]  ? dump_stack+0x34f/0x39d
[  275.160959]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.166148]  ? mark_held_locks+0x130/0x130
[  275.170373]  ? mark_held_locks+0x130/0x130
[  275.174598]  dump_header+0x27b/0xf72
[  275.178305]  ? pagefault_out_of_memory+0x197/0x197
[  275.183226]  ? __lock_acquire+0x62f/0x4c20
[  275.187486]  ? percpu_ref_get_many+0x240/0x240
[  275.192060]  ? print_usage_bug+0xc0/0xc0
[  275.196114]  ? zap_class+0x640/0x640
[  275.199813]  ? print_usage_bug+0xc0/0xc0
[  275.203862]  ? print_usage_bug+0xc0/0xc0
[  275.207913]  ? zap_class+0x640/0x640
[  275.211616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.217143]  ? find_held_lock+0x36/0x1c0
[  275.221207]  ? mark_held_locks+0xc7/0x130
[  275.225342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.230430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.235519]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.240088]  ? trace_hardirqs_on+0xbd/0x310
[  275.244392]  ? kasan_check_read+0x11/0x20
[  275.248523]  ? ___ratelimit+0x3b4/0x672
[  275.252491]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.257580]  ? trace_hardirqs_on+0x310/0x310
[  275.261974]  ? lock_downgrade+0x900/0x900
[  275.266109]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.271200]  ? ___ratelimit+0x3b9/0x672
[  275.275174]  ? idr_get_free+0xf70/0xf70
[  275.279136]  ? find_held_lock+0x36/0x1c0
[  275.283195]  oom_kill_process.cold.27+0x10/0x903
[  275.287936]  ? zap_class+0x640/0x640
[  275.291636]  ? check_preemption_disabled+0x48/0x280
[  275.296655]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.301674]  ? kasan_check_read+0x11/0x20
[  275.305813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.311078]  ? oom_evaluate_task+0x540/0x540
[  275.315484]  ? find_held_lock+0x36/0x1c0
[  275.319534]  ? out_of_memory+0x974/0x1430
[  275.323680]  ? lock_downgrade+0x900/0x900
[  275.327817]  ? check_preemption_disabled+0x48/0x280
[  275.332818]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.337734]  ? kasan_check_read+0x11/0x20
[  275.341869]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.347128]  ? rcu_softirq_qs+0x20/0x20
[  275.351093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.356617]  ? oom_evaluate_task+0x302/0x540
[  275.361018]  out_of_memory+0xa84/0x1430
[  275.364985]  ? oom_killer_disable+0x3a0/0x3a0
[  275.369465]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  275.374387]  ? __ww_mutex_check_waiters+0x160/0x160
[  275.379396]  __alloc_pages_slowpath+0x232c/0x2de0
[  275.384257]  ? warn_alloc+0x120/0x120
[  275.388048]  ? mark_held_locks+0x130/0x130
[  275.392277]  ? find_get_entry+0xaae/0x1120
[  275.396505]  ? filemap_map_pages+0x1a20/0x1a20
[  275.401075]  ? zap_class+0x640/0x640
[  275.404778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.410300]  ? check_preemption_disabled+0x48/0x280
[  275.415301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.420824]  ? should_fail+0x22d/0xd01
[  275.424701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.429791]  ? zap_class+0x640/0x640
[  275.433514]  ? __lock_is_held+0xb5/0x140
[  275.437568]  ? mark_held_locks+0x130/0x130
[  275.441801]  ? lock_release+0xa00/0xa00
[  275.445764]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.451203]  ? xa_load+0x2ba/0x460
[  275.454733]  ? lock_downgrade+0x900/0x900
[  275.458876]  ? __might_sleep+0x95/0x190
[  275.462837]  __alloc_pages_nodemask+0xad8/0xea0
[  275.467497]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  275.472501]  ? __page_cache_alloc+0x191/0x5c0
[  275.476978]  ? xa_load+0x2e1/0x460
[  275.480507]  ? xa_clear_mark+0x40/0x40
[  275.484384]  ? zap_class+0x640/0x640
[  275.488093]  ? zap_class+0x640/0x640
[  275.491795]  ? zap_class+0x640/0x640
[  275.495496]  ? __do_page_cache_readahead+0x663/0x810
[  275.500585]  ? find_held_lock+0x36/0x1c0
[  275.504643]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.510174]  alloc_pages_current+0x173/0x350
[  275.514572]  __page_cache_alloc+0x38c/0x5c0
[  275.518877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.523790]  ? kasan_check_read+0x11/0x20
[  275.527923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.533188]  ? generic_perform_write+0x6a0/0x6a0
[  275.537929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.543450]  ? check_preemption_disabled+0x48/0x280
[  275.548457]  filemap_fault+0x1595/0x25f0
[  275.552514]  ? __lock_page_or_retry+0xa00/0xa00
[  275.557170]  ? mark_held_locks+0x130/0x130
[  275.561401]  ? filemap_map_pages+0xd6b/0x1a20
[  275.565887]  ? lock_downgrade+0x900/0x900
[  275.570020]  ? check_preemption_disabled+0x48/0x280
[  275.575110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.580037]  ? kasan_check_read+0x11/0x20
[  275.584169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.589432]  ? rcu_softirq_qs+0x20/0x20
[  275.593400]  ? filemap_map_pages+0xd92/0x1a20
[  275.597897]  ? find_get_entries_tag+0x1400/0x1400
[  275.602729]  ? __kernel_text_address+0xd/0x40
[  275.607212]  ? unwind_get_return_address+0x61/0xa0
[  275.612153]  ? lock_acquire+0x1ed/0x520
[  275.616114]  ? ext4_filemap_fault+0x7a/0xad
[  275.620442]  ? lock_release+0xa00/0xa00
[  275.624401]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.629837]  ? print_usage_bug+0xc0/0xc0
[  275.633887]  ? print_usage_bug+0xc0/0xc0
[  275.637933]  ? __x64_sys_read+0x73/0xb0
[  275.641896]  ? print_usage_bug+0xc0/0xc0
[  275.645973]  ? down_read+0x8d/0x120
[  275.649588]  ? ext4_filemap_fault+0x7a/0xad
[  275.653935]  ? __down_interruptible+0x700/0x700
[  275.658602]  ext4_filemap_fault+0x82/0xad
[  275.662995]  __do_fault+0x100/0x6b0
[  275.666624]  ? trace_hardirqs_on+0xbd/0x310
[  275.670944]  ? pmd_devmap_trans_unstable+0x220/0x220
[  275.676135]  ? mark_held_locks+0x130/0x130
[  275.680362]  ? mark_held_locks+0x130/0x130
[  275.684584]  ? do_syslog+0x147b/0x1690
[  275.688471]  ? do_syslog+0x309/0x1690
[  275.692272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.697796]  __handle_mm_fault+0x3ea0/0x5be0
[  275.702194]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  275.707023]  ? find_held_lock+0x36/0x1c0
[  275.711080]  ? zap_class+0x640/0x640
[  275.714778]  ? zap_class+0x640/0x640
[  275.718485]  ? find_held_lock+0x36/0x1c0
[  275.722536]  ? handle_mm_fault+0x42a/0xc70
[  275.726759]  ? lock_downgrade+0x900/0x900
[  275.730892]  ? check_preemption_disabled+0x48/0x280
[  275.735898]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.740811]  ? kasan_check_read+0x11/0x20
[  275.744957]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.750215]  ? rcu_softirq_qs+0x20/0x20
[  275.754171]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.759367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.764893]  ? check_preemption_disabled+0x48/0x280
[  275.769903]  handle_mm_fault+0x54f/0xc70
[  275.773958]  ? __handle_mm_fault+0x5be0/0x5be0
[  275.778538]  ? find_vma+0x34/0x190
[  275.782067]  __do_page_fault+0x5e8/0xe60
[  275.786204]  ? trace_hardirqs_off+0xb8/0x310
[  275.790606]  ? kernel_write+0x120/0x120
[  275.794574]  do_page_fault+0xf2/0x7e0
[  275.798367]  ? vmalloc_sync_all+0x30/0x30
[  275.802501]  ? error_entry+0x70/0xd0
[  275.806199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.811200]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.816122]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.821040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.825872]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.830870]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.836304]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.841306]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.846316]  ? page_fault+0x8/0x30
[  275.849844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.854682]  ? page_fault+0x8/0x30
[  275.858210]  page_fault+0x1e/0x30
[  275.861682] RIP: 0033:0x7f71188e71fd
[  275.865391] Code: Bad RIP value.
[  275.868736] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  275.874085] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  275.881349] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  275.888612] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  275.895883] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  275.903138] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  275.910411] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  275.910414] warn_alloc_show_mem: 1 callbacks suppressed
[  275.910420] Mem-Info:
[  275.917675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.917681] Call Trace:
[  275.923039] active_anon:46284 inactive_anon:276 isolated_anon:0
[  275.923039]  active_file:13 inactive_file:11 isolated_file:0
[  275.923039]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.923039]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  275.923039]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  275.923039]  free:13741 free_pcp:339 free_cma:0
[  275.925404]  <IRQ>
[  275.934771] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.937335]  dump_stack+0x244/0x39d
[  275.970174] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  275.972307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.000020] lowmem_reserve[]: 0 2818 6321 6321
[  276.003641]  warn_alloc.cold.116+0xb7/0x1bd
[  276.029719] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  276.034887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.039431] lowmem_reserve[]: 0 0 3503 3503
[  276.043735]  ? lock_downgrade+0x900/0x900
[  276.071297] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  276.076128]  ? trace_hardirqs_off+0xb8/0x310
[  276.080409] lowmem_reserve[]: 0 0 0 0
[  276.084542]  ? trace_hardirqs_off+0xb8/0x310
[  276.113595] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  276.117989]  __alloc_pages_slowpath+0x2651/0x2de0
[  276.121753] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  276.126162]  ? warn_alloc+0x120/0x120
[  276.139630] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  276.144454]  ? print_usage_bug+0xc0/0xc0
[  276.159595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.163367]  ? warn_alloc+0x120/0x120
[  276.178333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.182370]  ? warn_alloc+0x120/0x120
[  276.191168] 358 total pagecache pages
[  276.194962]  ? print_usage_bug+0xc0/0xc0
[  276.203516] 0 pages in swap cache
[  276.207290]  ? kvm_clock_read+0x18/0x30
[  276.211060] Swap cache stats: add 0, delete 0, find 0/0
[  276.215099]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.218539] Free swap  = 0kB
[  276.222495]  ? print_usage_bug+0xc0/0xc0
[  276.227822] Total swap = 0kB
[  276.227829] 1965979 pages RAM
[  276.232823]  ? __lock_acquire+0x62f/0x4c20
[  276.235809] 0 pages HighMem/MovableOnly
[  276.235815] 342854 pages reserved
[  276.239859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.242842] 0 pages cma reserved
[  276.245930]  ? should_fail+0x22d/0xd01
[  276.250193] aoe: skb alloc failure
[  276.254077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.254092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.257535] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.263024]  ? __lock_acquire+0x62f/0x4c20
[  276.266354] rsyslogd cpuset=/ mems_allowed=0
[  276.270224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.307749]  ? __lock_acquire+0x62f/0x4c20
[  276.311969]  ? should_fail+0x22d/0xd01
[  276.315841]  ? rcu_irq_exit+0x1a2/0x390
[  276.319804]  ? mark_held_locks+0x130/0x130
[  276.324030]  ? mark_held_locks+0x130/0x130
[  276.328257]  ? mark_held_locks+0xc7/0x130
[  276.332392]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  276.337400]  ? zap_class+0x640/0x640
[  276.341115]  ? print_usage_bug+0xc0/0xc0
[  276.345181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.350705]  ? check_preemption_disabled+0x48/0x280
[  276.355716]  ? __lock_is_held+0xb5/0x140
[  276.359779]  __alloc_pages_nodemask+0xad8/0xea0
[  276.364430]  ? zap_class+0x640/0x640
[  276.368136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  276.373153]  ? find_held_lock+0x36/0x1c0
[  276.377207]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.381862]  ? lock_downgrade+0x900/0x900
[  276.386024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.391564]  cache_grow_begin+0xa5/0x8c0
[  276.395613]  ? do_raw_spin_unlock+0xa7/0x330
[  276.400016]  fallback_alloc+0x204/0x2e0
[  276.403983]  ____cache_alloc_node+0x1c7/0x1e0
[  276.408466]  kmem_cache_alloc_node+0xe3/0x730
[  276.412946]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.417178]  __alloc_skb+0x119/0x770
[  276.420876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.426156]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.430579]  ? lock_downgrade+0x900/0x900
[  276.434718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.440254]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.445710]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.451147]  ? addrconf_rs_timer+0x690/0x690
[  276.455560]  ndisc_alloc_skb+0x144/0x340
[  276.459613]  ndisc_send_rs+0x331/0x6e0
[  276.463489]  addrconf_rs_timer+0x314/0x690
[  276.467714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.471939]  call_timer_fn+0x272/0x920
[  276.475820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.480059]  ? process_timeout+0x40/0x40
[  276.484122]  ? __run_timers+0x7da/0xc70
[  276.488095]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.492576]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.497053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.501276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.505843]  ? trace_hardirqs_on+0xbd/0x310
[  276.510153]  ? kasan_check_read+0x11/0x20
[  276.514286]  ? __run_timers+0x7da/0xc70
[  276.518245]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.523340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.527566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.532283]  __run_timers+0x7e5/0xc70
[  276.536077]  ? timer_fixup_init+0x70/0x70
[  276.540212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.545228]  ? zap_class+0x640/0x640
[  276.548937]  ? enqueue_hrtimer+0x1a5/0x560
[  276.553176]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.558359]  ? find_held_lock+0x36/0x1c0
[  276.562413]  ? zap_class+0x640/0x640
[  276.566116]  ? pvclock_read_flags+0x160/0x160
[  276.570601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.576124]  ? check_preemption_disabled+0x48/0x280
[  276.581131]  ? __lock_is_held+0xb5/0x140
[  276.585181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.590708]  ? check_preemption_disabled+0x48/0x280
[  276.595716]  run_timer_softirq+0x52/0xb0
[  276.599760]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.604760]  __do_softirq+0x308/0xb7e
[  276.608561]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.613042]  ? lock_downgrade+0x900/0x900
[  276.617183]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.622277]  ? pvclock_read_flags+0x160/0x160
[  276.626757]  ? lapic_next_event+0x5a/0x90
[  276.630909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.636439]  ? kvm_clock_read+0x18/0x30
[  276.640504]  ? kvm_sched_clock_read+0x9/0x20
[  276.644912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.650439]  ? check_preemption_disabled+0x48/0x280
[  276.655445]  irq_exit+0x17f/0x1c0
[  276.658885]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.663709]  ? smp_reschedule_interrupt+0x109/0x650
[  276.668714]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.674585]  ? interrupt_entry+0xb5/0xc0
[  276.678636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.683640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.688642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.693469]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.698637]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.703642]  ? task_prio+0x50/0x50
[  276.707172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.712697]  ? check_preemption_disabled+0x48/0x280
[  276.717709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.722554]  apic_timer_interrupt+0xf/0x20
[  276.726766]  </IRQ>
[  276.728996] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.733911] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  276.752797] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  276.760489] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.767743] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  276.775003] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  276.782261] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.789519] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  276.796803]  skb_clone+0x1bb/0x500
[  276.800333]  ? finish_task_switch+0x615/0x910
[  276.804816]  ? skb_split+0x11e0/0x11e0
[  276.808691]  ? preempt_notifier_register+0x200/0x200
[  276.813776]  ? __switch_to_asm+0x34/0x70
[  276.817833]  ? __switch_to_asm+0x34/0x70
[  276.821880]  ? __switch_to_asm+0x40/0x70
[  276.825925]  ? __switch_to_asm+0x34/0x70
[  276.829969]  ? __switch_to_asm+0x40/0x70
[  276.834010]  ? __switch_to_asm+0x34/0x70
[  276.838056]  ? __switch_to_asm+0x40/0x70
[  276.842111]  ? __switch_to_asm+0x34/0x70
[  276.846157]  ? __switch_to_asm+0x34/0x70
[  276.850198]  ? __switch_to_asm+0x40/0x70
[  276.854240]  ? __switch_to_asm+0x34/0x70
[  276.858288]  bpf_clone_redirect+0xb9/0x490
[  276.862515]  ? __schedule+0x8d7/0x21d0
[  276.866396]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  276.871396]  ? __sched_text_start+0x8/0x8
[  276.875543]  ? retint_kernel+0x2d/0x2d
[  276.879543]  ? find_held_lock+0x36/0x1c0
[  276.883596]  ? lock_acquire+0x1ed/0x520
[  276.887555]  ? bpf_test_run+0x3ee/0x7a0
[  276.891522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.897046]  ? check_preemption_disabled+0x48/0x280
[  276.902063]  ? kasan_check_read+0x11/0x20
[  276.906200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.911465]  ? rcu_softirq_qs+0x20/0x20
[  276.915426]  ? preempt_schedule+0x4d/0x60
[  276.919580]  ? ___preempt_schedule+0x16/0x18
[  276.923975]  ? bpf_test_run+0x271/0x7a0
[  276.927939]  ? eth_type_trans+0x2ea/0x760
[  276.932079]  ? netlink_diag_dump+0x2a0/0x2a0
[  276.936477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.942009]  ? bpf_test_init.isra.10+0x70/0x100
[  276.946673]  ? bpf_prog_test_run_skb+0x762/0xd60
[  276.951417]  ? apparmor_cred_transfer+0x590/0x590
[  276.956250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.961082]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.966607]  ? fput+0x130/0x1a0
[  276.969879]  ? __bpf_prog_get+0x9b/0x290
[  276.973927]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.978755]  ? bpf_prog_test_run+0x130/0x1a0
[  276.983161]  ? __x64_sys_bpf+0x3d8/0x520
[  276.987206]  ? bpf_prog_get+0x20/0x20
[  276.991012]  ? do_syscall_64+0x1b9/0x820
[  276.995077]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.000428]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.005348]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.010348]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.015351]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  277.022000]  ? __switch_to_asm+0x40/0x70
[  277.026044]  ? __switch_to_asm+0x34/0x70
[  277.030096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.034935]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.040302] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  277.040375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.047139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.047146] Call Trace:
[  277.053690] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.062939]  <IRQ>
[  277.065521] syz-executor4 cpuset=syz4 mems_allowed=0
[  277.076003]  dump_stack+0x244/0x39d
[  277.086804]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.091988]  warn_alloc.cold.116+0xb7/0x1bd
[  277.096303]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.101135]  ? lock_downgrade+0x900/0x900
[  277.105278]  ? trace_hardirqs_off+0xb8/0x310
[  277.109684]  ? trace_hardirqs_off+0xb8/0x310
[  277.114085]  __alloc_pages_slowpath+0x2651/0x2de0
[  277.118936]  ? warn_alloc+0x120/0x120
[  277.122727]  ? warn_alloc+0x120/0x120
[  277.126519]  ? __lock_acquire+0x62f/0x4c20
[  277.130741]  ? warn_alloc+0x120/0x120
[  277.134528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.140054]  ? print_usage_bug+0xc0/0xc0
[  277.144102]  ? print_usage_bug+0xc0/0xc0
[  277.148152]  ? mark_held_locks+0x130/0x130
[  277.152377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.157898]  ? should_fail+0x22d/0xd01
[  277.161768]  ? zap_class+0x640/0x640
[  277.165470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.170576]  ? __lock_acquire+0x62f/0x4c20
[  277.174801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.179894]  ? should_fail+0x22d/0xd01
[  277.183776]  ? mark_held_locks+0x130/0x130
[  277.188003]  ? mark_held_locks+0x130/0x130
[  277.192225]  ? lock_downgrade+0x900/0x900
[  277.196358]  ? zap_class+0x640/0x640
[  277.200057]  ? zap_class+0x640/0x640
[  277.203758]  ? zap_class+0x640/0x640
[  277.207466]  ? do_raw_spin_unlock+0xa7/0x330
[  277.211878]  ? trace_hardirqs_on+0x310/0x310
[  277.216269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.221795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.227338]  ? check_preemption_disabled+0x48/0x280
[  277.232348]  ? __lock_is_held+0xb5/0x140
[  277.236397]  __alloc_pages_nodemask+0xad8/0xea0
[  277.241073]  ? zap_class+0x640/0x640
[  277.244778]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  277.249790]  ? find_held_lock+0x36/0x1c0
[  277.253845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.258505]  ? lock_downgrade+0x900/0x900
[  277.262644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.268173]  cache_grow_begin+0xa5/0x8c0
[  277.272223]  ? do_raw_spin_unlock+0xa7/0x330
[  277.276625]  fallback_alloc+0x204/0x2e0
[  277.280591]  ____cache_alloc_node+0x1c7/0x1e0
[  277.285089]  kmem_cache_alloc_node+0xe3/0x730
[  277.289588]  ? __kmalloc_node_track_caller+0x50/0x70
[  277.294677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.300216]  __alloc_skb+0x119/0x770
[  277.303915]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.309271]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.313674]  ? vprintk_default+0x28/0x30
[  277.317725]  ? vprintk_func+0x85/0x181
[  277.321600]  ? printk+0xa7/0xcf
[  277.324881]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  277.329629]  new_skb+0x26/0x1c0
[  277.332899]  aoecmd_cfg+0x279/0x7f0
[  277.336521]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  277.340834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.346364]  ? __lock_is_held+0xb5/0x140
[  277.350417]  discover_timer+0x50/0x60
[  277.354223]  call_timer_fn+0x272/0x920
[  277.358098]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  277.362927]  ? process_timeout+0x40/0x40
[  277.366986]  ? mark_held_locks+0xc7/0x130
[  277.371123]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.375690]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.380171]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  277.385000]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.389572]  ? trace_hardirqs_on+0xbd/0x310
[  277.393881]  ? kasan_check_read+0x11/0x20
[  277.398042]  ? __run_timers+0x7da/0xc70
[  277.402002]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.407119]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  277.411947]  __run_timers+0x7e5/0xc70
[  277.415743]  ? timer_fixup_init+0x70/0x70
[  277.419878]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.424880]  ? zap_class+0x640/0x640
[  277.428584]  ? print_usage_bug+0xc0/0xc0
[  277.432633]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.437812]  ? find_held_lock+0x36/0x1c0
[  277.441861]  ? zap_class+0x640/0x640
[  277.445650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.451171]  ? check_preemption_disabled+0x48/0x280
[  277.456176]  ? __lock_is_held+0xb5/0x140
[  277.460225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.465747]  ? check_preemption_disabled+0x48/0x280
[  277.470753]  run_timer_softirq+0x52/0xb0
[  277.474807]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.479814]  __do_softirq+0x308/0xb7e
[  277.483604]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.488083]  ? lock_downgrade+0x900/0x900
[  277.492218]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.497312]  ? pvclock_read_flags+0x160/0x160
[  277.501795]  ? lapic_next_event+0x5a/0x90
[  277.505929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.511540]  ? kvm_clock_read+0x18/0x30
[  277.515503]  ? kvm_sched_clock_read+0x9/0x20
[  277.519899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.525423]  ? check_preemption_disabled+0x48/0x280
[  277.530518]  irq_exit+0x17f/0x1c0
[  277.534091]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.538923]  ? smp_reschedule_interrupt+0x109/0x650
[  277.543925]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.549795]  ? interrupt_entry+0xb5/0xc0
[  277.553845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.558846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.563850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.568711]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.573709]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.578719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.583556]  apic_timer_interrupt+0xf/0x20
[  277.587794]  </IRQ>
[  277.590036] RIP: 0010:dump_stack+0x358/0x39d
[  277.594443] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  277.613334] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  277.621030] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  277.628299] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  277.635555] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  277.642812] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  277.650063] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  277.657331]  ? dump_stack+0x34f/0x39d
[  277.661128]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.666309]  ? mark_held_locks+0x130/0x130
[  277.670529]  ? mark_held_locks+0x130/0x130
[  277.674753]  dump_header+0x27b/0xf72
[  277.678468]  ? pagefault_out_of_memory+0x197/0x197
[  277.683390]  ? __lock_acquire+0x62f/0x4c20
[  277.687613]  ? percpu_ref_get_many+0x240/0x240
[  277.692185]  ? print_usage_bug+0xc0/0xc0
[  277.696234]  ? zap_class+0x640/0x640
[  277.699937]  ? print_usage_bug+0xc0/0xc0
[  277.703993]  ? print_usage_bug+0xc0/0xc0
[  277.708041]  ? zap_class+0x640/0x640
[  277.711742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.717267]  ? find_held_lock+0x36/0x1c0
[  277.721324]  ? mark_held_locks+0xc7/0x130
[  277.725501]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.730603]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.735692]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.740259]  ? trace_hardirqs_on+0xbd/0x310
[  277.744563]  ? kasan_check_read+0x11/0x20
[  277.748700]  ? ___ratelimit+0x3b4/0x672
[  277.752661]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.757748]  ? trace_hardirqs_on+0x310/0x310
[  277.762140]  ? lock_downgrade+0x900/0x900
[  277.766277]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.771366]  ? ___ratelimit+0x3b9/0x672
[  277.775348]  ? idr_get_free+0xf70/0xf70
[  277.779323]  ? find_held_lock+0x36/0x1c0
[  277.783380]  oom_kill_process.cold.27+0x10/0x903
[  277.788122]  ? zap_class+0x640/0x640
[  277.791822]  ? check_preemption_disabled+0x48/0x280
[  277.796826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.801740]  ? kasan_check_read+0x11/0x20
[  277.805962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.811225]  ? oom_evaluate_task+0x540/0x540
[  277.815734]  ? find_held_lock+0x36/0x1c0
[  277.819788]  ? out_of_memory+0x974/0x1430
[  277.823920]  ? lock_downgrade+0x900/0x900
[  277.828055]  ? check_preemption_disabled+0x48/0x280
[  277.833061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.837995]  ? kasan_check_read+0x11/0x20
[  277.842133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.847409]  ? rcu_softirq_qs+0x20/0x20
[  277.851375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.856901]  ? oom_evaluate_task+0x302/0x540
[  277.861296]  out_of_memory+0xa84/0x1430
[  277.865262]  ? oom_killer_disable+0x3a0/0x3a0
[  277.869740]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  277.874658]  ? __ww_mutex_check_waiters+0x160/0x160
[  277.879676]  __alloc_pages_slowpath+0x232c/0x2de0
[  277.884527]  ? warn_alloc+0x120/0x120
[  277.888317]  ? mark_held_locks+0x130/0x130
[  277.892543]  ? find_get_entry+0xaae/0x1120
[  277.896776]  ? filemap_map_pages+0x1a20/0x1a20
[  277.901348]  ? zap_class+0x640/0x640
[  277.905056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.910697]  ? check_preemption_disabled+0x48/0x280
[  277.915703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.921227]  ? should_fail+0x22d/0xd01
[  277.925109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.930200]  ? zap_class+0x640/0x640
[  277.933924]  ? __lock_is_held+0xb5/0x140
[  277.937987]  ? mark_held_locks+0x130/0x130
[  277.942210]  ? lock_release+0xa00/0xa00
[  277.946170]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.951613]  ? xa_load+0x2ba/0x460
[  277.955144]  ? lock_downgrade+0x900/0x900
[  277.959280]  ? __might_sleep+0x95/0x190
[  277.963241]  __alloc_pages_nodemask+0xad8/0xea0
[  277.967902]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  277.972915]  ? __page_cache_alloc+0x191/0x5c0
[  277.977401]  ? xa_load+0x2e1/0x460
[  277.980946]  ? xa_clear_mark+0x40/0x40
[  277.984821]  ? zap_class+0x640/0x640
[  277.988530]  ? zap_class+0x640/0x640
[  277.992229]  ? zap_class+0x640/0x640
[  277.995935]  ? __do_page_cache_readahead+0x663/0x810
[  278.001026]  ? find_held_lock+0x36/0x1c0
[  278.005076]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.010606]  alloc_pages_current+0x173/0x350
[  278.015006]  __page_cache_alloc+0x38c/0x5c0
[  278.019314]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.024228]  ? kasan_check_read+0x11/0x20
[  278.028358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.033622]  ? generic_perform_write+0x6a0/0x6a0
[  278.038366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.043894]  ? check_preemption_disabled+0x48/0x280
[  278.048921]  filemap_fault+0x1595/0x25f0
[  278.052978]  ? __lock_page_or_retry+0xa00/0xa00
[  278.057637]  ? mark_held_locks+0x130/0x130
[  278.061863]  ? filemap_map_pages+0xd6b/0x1a20
[  278.066345]  ? lock_downgrade+0x900/0x900
[  278.070481]  ? check_preemption_disabled+0x48/0x280
[  278.075484]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.080396]  ? kasan_check_read+0x11/0x20
[  278.084552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.089814]  ? rcu_softirq_qs+0x20/0x20
[  278.093791]  ? filemap_map_pages+0xd92/0x1a20
[  278.098301]  ? find_get_entries_tag+0x1400/0x1400
[  278.103143]  ? __kernel_text_address+0xd/0x40
[  278.107623]  ? unwind_get_return_address+0x61/0xa0
[  278.112549]  ? lock_acquire+0x1ed/0x520
[  278.116507]  ? ext4_filemap_fault+0x7a/0xad
[  278.120823]  ? lock_release+0xa00/0xa00
[  278.124781]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.130214]  ? print_usage_bug+0xc0/0xc0
[  278.134266]  ? print_usage_bug+0xc0/0xc0
[  278.138314]  ? __x64_sys_read+0x73/0xb0
[  278.142279]  ? print_usage_bug+0xc0/0xc0
[  278.146343]  ? down_read+0x8d/0x120
[  278.149952]  ? ext4_filemap_fault+0x7a/0xad
[  278.154258]  ? __down_interruptible+0x700/0x700
[  278.158940]  ext4_filemap_fault+0x82/0xad
[  278.163075]  __do_fault+0x100/0x6b0
[  278.166687]  ? trace_hardirqs_on+0xbd/0x310
[  278.170993]  ? pmd_devmap_trans_unstable+0x220/0x220
[  278.176084]  ? mark_held_locks+0x130/0x130
[  278.180308]  ? mark_held_locks+0x130/0x130
[  278.184529]  ? do_syslog+0x147b/0x1690
[  278.188417]  ? do_syslog+0x309/0x1690
[  278.192293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.197819]  __handle_mm_fault+0x3ea0/0x5be0
[  278.202223]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  278.207053]  ? find_held_lock+0x36/0x1c0
[  278.211134]  ? zap_class+0x640/0x640
[  278.214837]  ? zap_class+0x640/0x640
[  278.218543]  ? find_held_lock+0x36/0x1c0
[  278.222601]  ? handle_mm_fault+0x42a/0xc70
[  278.226822]  ? lock_downgrade+0x900/0x900
[  278.230955]  ? check_preemption_disabled+0x48/0x280
[  278.235962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.240874]  ? kasan_check_read+0x11/0x20
[  278.245011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.250270]  ? rcu_softirq_qs+0x20/0x20
[  278.254249]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.259339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.264868]  ? check_preemption_disabled+0x48/0x280
[  278.269875]  handle_mm_fault+0x54f/0xc70
[  278.273928]  ? __handle_mm_fault+0x5be0/0x5be0
[  278.278504]  ? find_vma+0x34/0x190
[  278.282037]  __do_page_fault+0x5e8/0xe60
[  278.286092]  ? trace_hardirqs_off+0xb8/0x310
[  278.290488]  ? kernel_write+0x120/0x120
[  278.294457]  do_page_fault+0xf2/0x7e0
[  278.298242]  ? vmalloc_sync_all+0x30/0x30
[  278.302382]  ? error_entry+0x70/0xd0
[  278.306093]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.311100]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.316022]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.320935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.325762]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.330766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.336204]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  278.341309]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.346312]  ? page_fault+0x8/0x30
[  278.349841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.354673]  ? page_fault+0x8/0x30
[  278.358199]  page_fault+0x1e/0x30
[  278.361639] RIP: 0033:0x7f71188e71fd
[  278.365348] Code: Bad RIP value.
[  278.368699] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  278.374050] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  278.381303] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  278.388555] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  278.395806] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  278.403060] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  278.410331] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  278.410334] warn_alloc_show_mem: 1 callbacks suppressed
[  278.410339] Mem-Info:
[  278.417591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.422942] active_anon:46284 inactive_anon:276 isolated_anon:0
[  278.422942]  active_file:13 inactive_file:11 isolated_file:0
[  278.422942]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.422942]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  278.422942]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  278.422942]  free:13741 free_pcp:339 free_cma:0
[  278.425316] Call Trace:
[  278.434686] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.467515]  <IRQ>
[  278.470071] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  278.497741]  dump_stack+0x244/0x39d
[  278.499863] lowmem_reserve[]: 0 2818 6321 6321
[  278.525959]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.529702] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  278.534281]  warn_alloc.cold.116+0xb7/0x1bd
[  278.539425] lowmem_reserve[]: 0 0 3503 3503
[  278.567080]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.571377] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  278.575687]  ? lock_downgrade+0x900/0x900
[  278.580494] lowmem_reserve[]: 0 0 0 0
[  278.609546]  ? trace_hardirqs_off+0xb8/0x310
[  278.613659] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  278.617452]  ? trace_hardirqs_off+0xb8/0x310
[  278.621824] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  278.635332]  __alloc_pages_slowpath+0x2651/0x2de0
[  278.639702] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  278.654868]  ? warn_alloc+0x120/0x120
[  278.659667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.674553]  ? print_usage_bug+0xc0/0xc0
[  278.678321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.687129]  ? warn_alloc+0x120/0x120
[  278.691159] 358 total pagecache pages
[  278.699981]  ? warn_alloc+0x120/0x120
[  278.703762] 0 pages in swap cache
[  278.707535]  ? print_usage_bug+0xc0/0xc0
[  278.711317] Swap cache stats: add 0, delete 0, find 0/0
[  278.714746]  ? kvm_clock_read+0x18/0x30
[  278.718773] Free swap  = 0kB
[  278.724115]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.728054] Total swap = 0kB
[  278.731052]  ? print_usage_bug+0xc0/0xc0
[  278.736038] 1965979 pages RAM
[  278.739037]  ? __lock_acquire+0x62f/0x4c20
[  278.743062] 0 pages HighMem/MovableOnly
[  278.746145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.750344] 342854 pages reserved
[  278.754304]  ? should_fail+0x22d/0xd01
[  278.759817] 0 pages cma reserved
[  278.763246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.767140] aoe: skb alloc failure
[  278.770443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.770456]  ? __lock_acquire+0x62f/0x4c20
[  278.770472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.775739] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.779234]  ? __lock_acquire+0x62f/0x4c20
[  278.784299] rsyslogd cpuset=/ mems_allowed=0
[  278.788507]  ? should_fail+0x22d/0xd01
[  278.788518]  ? rcu_irq_exit+0x1a2/0x390
[  278.820049]  ? mark_held_locks+0x130/0x130
[  278.824273]  ? mark_held_locks+0x130/0x130
[  278.828515]  ? mark_held_locks+0xc7/0x130
[  278.832652]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.837654]  ? zap_class+0x640/0x640
[  278.841363]  ? print_usage_bug+0xc0/0xc0
[  278.845415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.850939]  ? check_preemption_disabled+0x48/0x280
[  278.855948]  ? __lock_is_held+0xb5/0x140
[  278.860016]  __alloc_pages_nodemask+0xad8/0xea0
[  278.864675]  ? zap_class+0x640/0x640
[  278.868383]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  278.873400]  ? find_held_lock+0x36/0x1c0
[  278.877455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.882109]  ? lock_downgrade+0x900/0x900
[  278.886250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.891782]  cache_grow_begin+0xa5/0x8c0
[  278.895831]  ? do_raw_spin_unlock+0xa7/0x330
[  278.900234]  fallback_alloc+0x204/0x2e0
[  278.904211]  ____cache_alloc_node+0x1c7/0x1e0
[  278.908694]  kmem_cache_alloc_node+0xe3/0x730
[  278.913176]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.917409]  __alloc_skb+0x119/0x770
[  278.921114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.926395]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.930805]  ? lock_downgrade+0x900/0x900
[  278.934949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.940471]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.945913]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.951356]  ? addrconf_rs_timer+0x690/0x690
[  278.955774]  ndisc_alloc_skb+0x144/0x340
[  278.959826]  ndisc_send_rs+0x331/0x6e0
[  278.963708]  addrconf_rs_timer+0x314/0x690
[  278.967940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.972169]  call_timer_fn+0x272/0x920
[  278.976042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.980267]  ? process_timeout+0x40/0x40
[  278.984325]  ? __run_timers+0x7da/0xc70
[  278.988303]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.992802]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.997283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.001517]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.006092]  ? trace_hardirqs_on+0xbd/0x310
[  279.010417]  ? kasan_check_read+0x11/0x20
[  279.014547]  ? __run_timers+0x7da/0xc70
[  279.018510]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.023608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.027836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.032059]  __run_timers+0x7e5/0xc70
[  279.035872]  ? timer_fixup_init+0x70/0x70
[  279.040098]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.045100]  ? zap_class+0x640/0x640
[  279.048806]  ? enqueue_hrtimer+0x1a5/0x560
[  279.053029]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.058209]  ? find_held_lock+0x36/0x1c0
[  279.062263]  ? zap_class+0x640/0x640
[  279.065964]  ? pvclock_read_flags+0x160/0x160
[  279.070450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.075973]  ? check_preemption_disabled+0x48/0x280
[  279.080981]  ? __lock_is_held+0xb5/0x140
[  279.085031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.090571]  ? check_preemption_disabled+0x48/0x280
[  279.095577]  run_timer_softirq+0x52/0xb0
[  279.099625]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.104625]  __do_softirq+0x308/0xb7e
[  279.108413]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.112892]  ? lock_downgrade+0x900/0x900
[  279.117028]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.122120]  ? pvclock_read_flags+0x160/0x160
[  279.126606]  ? lapic_next_event+0x5a/0x90
[  279.130745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.136273]  ? kvm_clock_read+0x18/0x30
[  279.140267]  ? kvm_sched_clock_read+0x9/0x20
[  279.144664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.150208]  ? check_preemption_disabled+0x48/0x280
[  279.155241]  irq_exit+0x17f/0x1c0
[  279.158683]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.163511]  ? smp_reschedule_interrupt+0x109/0x650
[  279.168517]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.174393]  ? interrupt_entry+0xb5/0xc0
[  279.178446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.183450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.188459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.193287]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.198331]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.203342]  ? task_prio+0x50/0x50
[  279.206874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.212398]  ? check_preemption_disabled+0x48/0x280
[  279.217417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.222250]  apic_timer_interrupt+0xf/0x20
[  279.226471]  </IRQ>
[  279.228699] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.233617] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  279.252501] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  279.260195] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.267454] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  279.274715] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  279.281984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.289239] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  279.296532]  skb_clone+0x1bb/0x500
[  279.300069]  ? finish_task_switch+0x615/0x910
[  279.304559]  ? skb_split+0x11e0/0x11e0
[  279.308457]  ? preempt_notifier_register+0x200/0x200
[  279.313545]  ? __switch_to_asm+0x34/0x70
[  279.317595]  ? __switch_to_asm+0x34/0x70
[  279.321641]  ? __switch_to_asm+0x40/0x70
[  279.325692]  ? __switch_to_asm+0x34/0x70
[  279.329749]  ? __switch_to_asm+0x40/0x70
[  279.333796]  ? __switch_to_asm+0x34/0x70
[  279.337846]  ? __switch_to_asm+0x40/0x70
[  279.341896]  ? __switch_to_asm+0x34/0x70
[  279.345948]  ? __switch_to_asm+0x34/0x70
[  279.349991]  ? __switch_to_asm+0x40/0x70
[  279.354034]  ? __switch_to_asm+0x34/0x70
[  279.358087]  bpf_clone_redirect+0xb9/0x490
[  279.362320]  ? __schedule+0x8d7/0x21d0
[  279.366200]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  279.371226]  ? __sched_text_start+0x8/0x8
[  279.375363]  ? retint_kernel+0x2d/0x2d
[  279.379253]  ? find_held_lock+0x36/0x1c0
[  279.383322]  ? lock_acquire+0x1ed/0x520
[  279.387285]  ? bpf_test_run+0x3ee/0x7a0
[  279.391258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.396788]  ? check_preemption_disabled+0x48/0x280
[  279.401801]  ? kasan_check_read+0x11/0x20
[  279.405941]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.411218]  ? rcu_softirq_qs+0x20/0x20
[  279.415180]  ? preempt_schedule+0x4d/0x60
[  279.419323]  ? ___preempt_schedule+0x16/0x18
[  279.423755]  ? bpf_test_run+0x271/0x7a0
[  279.427726]  ? eth_type_trans+0x2ea/0x760
[  279.431861]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.436259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.441782]  ? bpf_test_init.isra.10+0x70/0x100
[  279.446447]  ? bpf_prog_test_run_skb+0x762/0xd60
[  279.451205]  ? apparmor_cred_transfer+0x590/0x590
[  279.456052]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.460892]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.466425]  ? fput+0x130/0x1a0
[  279.469698]  ? __bpf_prog_get+0x9b/0x290
[  279.473755]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.478591]  ? bpf_prog_test_run+0x130/0x1a0
[  279.483101]  ? __x64_sys_bpf+0x3d8/0x520
[  279.487150]  ? bpf_prog_get+0x20/0x20
[  279.490961]  ? do_syscall_64+0x1b9/0x820
[  279.495008]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.500365]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.505296]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.510310]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.515320]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  279.521973]  ? __switch_to_asm+0x40/0x70
[  279.526021]  ? __switch_to_asm+0x34/0x70
[  279.530078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.534916]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.540305] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  279.540357] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.547133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.547140] Call Trace:
[  279.553694] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.562955]  <IRQ>
[  279.565512] syz-executor4 cpuset=syz4 mems_allowed=0
[  279.575980]  dump_stack+0x244/0x39d
[  279.586803]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.591995]  warn_alloc.cold.116+0xb7/0x1bd
[  279.596313]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.601148]  ? lock_downgrade+0x900/0x900
[  279.605305]  ? trace_hardirqs_off+0xb8/0x310
[  279.609709]  ? trace_hardirqs_off+0xb8/0x310
[  279.614117]  __alloc_pages_slowpath+0x2651/0x2de0
[  279.618978]  ? warn_alloc+0x120/0x120
[  279.622775]  ? warn_alloc+0x120/0x120
[  279.626572]  ? __lock_acquire+0x62f/0x4c20
[  279.630804]  ? warn_alloc+0x120/0x120
[  279.634616]  ? print_usage_bug+0xc0/0xc0
[  279.638676]  ? print_usage_bug+0xc0/0xc0
[  279.642816]  ? mark_held_locks+0x130/0x130
[  279.647045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.652676]  ? should_fail+0x22d/0xd01
[  279.656570]  ? zap_class+0x640/0x640
[  279.660289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.665695]  ? __lock_acquire+0x62f/0x4c20
[  279.669925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.675022]  ? should_fail+0x22d/0xd01
[  279.678913]  ? mark_held_locks+0x130/0x130
[  279.683146]  ? mark_held_locks+0x130/0x130
[  279.687374]  ? lock_downgrade+0x900/0x900
[  279.691513]  ? zap_class+0x640/0x640
[  279.695221]  ? zap_class+0x640/0x640
[  279.698930]  ? zap_class+0x640/0x640
[  279.702634]  ? do_raw_spin_unlock+0xa7/0x330
[  279.707038]  ? trace_hardirqs_on+0x310/0x310
[  279.711443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.716972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.722505]  ? check_preemption_disabled+0x48/0x280
[  279.727530]  ? __lock_is_held+0xb5/0x140
[  279.731587]  __alloc_pages_nodemask+0xad8/0xea0
[  279.736248]  ? zap_class+0x640/0x640
[  279.739963]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  279.744985]  ? find_held_lock+0x36/0x1c0
[  279.749047]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.753707]  ? lock_downgrade+0x900/0x900
[  279.757852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.763388]  cache_grow_begin+0xa5/0x8c0
[  279.767442]  ? do_raw_spin_unlock+0xa7/0x330
[  279.771864]  fallback_alloc+0x204/0x2e0
[  279.775839]  ____cache_alloc_node+0x1c7/0x1e0
[  279.780343]  kmem_cache_alloc_node+0xe3/0x730
[  279.784835]  ? __kmalloc_node_track_caller+0x50/0x70
[  279.789930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.795465]  __alloc_skb+0x119/0x770
[  279.799173]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.804542]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.808945]  ? vprintk_default+0x28/0x30
[  279.812998]  ? vprintk_func+0x85/0x181
[  279.816878]  ? printk+0xa7/0xcf
[  279.820152]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  279.824925]  new_skb+0x26/0x1c0
[  279.828216]  aoecmd_cfg+0x279/0x7f0
[  279.831840]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  279.836161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.841700]  ? __lock_is_held+0xb5/0x140
[  279.845766]  discover_timer+0x50/0x60
[  279.849555]  call_timer_fn+0x272/0x920
[  279.853429]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  279.858271]  ? process_timeout+0x40/0x40
[  279.862341]  ? mark_held_locks+0xc7/0x130
[  279.866480]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.870967]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.875453]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  279.880291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.884875]  ? trace_hardirqs_on+0xbd/0x310
[  279.889190]  ? kasan_check_read+0x11/0x20
[  279.893335]  ? __run_timers+0x7da/0xc70
[  279.897309]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.902415]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  279.907245]  __run_timers+0x7e5/0xc70
[  279.911066]  ? timer_fixup_init+0x70/0x70
[  279.915212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.920221]  ? zap_class+0x640/0x640
[  279.923935]  ? print_usage_bug+0xc0/0xc0
[  279.927988]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.933174]  ? find_held_lock+0x36/0x1c0
[  279.937234]  ? zap_class+0x640/0x640
[  279.940953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.946482]  ? check_preemption_disabled+0x48/0x280
[  279.951498]  ? __lock_is_held+0xb5/0x140
[  279.955550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.961083]  ? check_preemption_disabled+0x48/0x280
[  279.966093]  run_timer_softirq+0x52/0xb0
[  279.970148]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.975159]  __do_softirq+0x308/0xb7e
[  279.978954]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.983440]  ? lock_downgrade+0x900/0x900
[  279.987583]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.992696]  ? pvclock_read_flags+0x160/0x160
[  279.997185]  ? lapic_next_event+0x5a/0x90
[  280.001329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.006866]  ? kvm_clock_read+0x18/0x30
[  280.010832]  ? kvm_sched_clock_read+0x9/0x20
[  280.015234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.020777]  ? check_preemption_disabled+0x48/0x280
[  280.025789]  irq_exit+0x17f/0x1c0
[  280.029247]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.034098]  ? smp_reschedule_interrupt+0x109/0x650
[  280.039107]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.044999]  ? interrupt_entry+0xb5/0xc0
[  280.049070]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.054081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.059092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.063929]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.068934]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.073954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.078795]  apic_timer_interrupt+0xf/0x20
[  280.083012]  </IRQ>
[  280.085245] RIP: 0010:dump_stack+0x358/0x39d
[  280.089656] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  280.108558] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  280.116263] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  280.123524] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  280.130784] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  280.138044] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  280.145325] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  280.152598]  ? dump_stack+0x34f/0x39d
[  280.156403]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.161583]  ? mark_held_locks+0x130/0x130
[  280.165804]  ? mark_held_locks+0x130/0x130
[  280.170034]  dump_header+0x27b/0xf72
[  280.173751]  ? pagefault_out_of_memory+0x197/0x197
[  280.178678]  ? __lock_acquire+0x62f/0x4c20
[  280.182915]  ? percpu_ref_get_many+0x240/0x240
[  280.187491]  ? print_usage_bug+0xc0/0xc0
[  280.191550]  ? zap_class+0x640/0x640
[  280.195259]  ? print_usage_bug+0xc0/0xc0
[  280.199314]  ? print_usage_bug+0xc0/0xc0
[  280.203368]  ? zap_class+0x640/0x640
[  280.207083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.212628]  ? find_held_lock+0x36/0x1c0
[  280.216689]  ? mark_held_locks+0xc7/0x130
[  280.220827]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.225917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.231012]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.235582]  ? trace_hardirqs_on+0xbd/0x310
[  280.239896]  ? kasan_check_read+0x11/0x20
[  280.244032]  ? ___ratelimit+0x3b4/0x672
[  280.248001]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.253099]  ? trace_hardirqs_on+0x310/0x310
[  280.257501]  ? lock_downgrade+0x900/0x900
[  280.261648]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.266754]  ? ___ratelimit+0x3b9/0x672
[  280.270720]  ? idr_get_free+0xf70/0xf70
[  280.274692]  ? find_held_lock+0x36/0x1c0
[  280.278762]  oom_kill_process.cold.27+0x10/0x903
[  280.283508]  ? zap_class+0x640/0x640
[  280.287213]  ? check_preemption_disabled+0x48/0x280
[  280.292235]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.297164]  ? kasan_check_read+0x11/0x20
[  280.301303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.306575]  ? oom_evaluate_task+0x540/0x540
[  280.310986]  ? find_held_lock+0x36/0x1c0
[  280.315048]  ? out_of_memory+0x974/0x1430
[  280.319189]  ? lock_downgrade+0x900/0x900
[  280.323339]  ? check_preemption_disabled+0x48/0x280
[  280.328348]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.333266]  ? kasan_check_read+0x11/0x20
[  280.337407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.342678]  ? rcu_softirq_qs+0x20/0x20
[  280.346648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.352174]  ? oom_evaluate_task+0x302/0x540
[  280.356572]  out_of_memory+0xa84/0x1430
[  280.360558]  ? oom_killer_disable+0x3a0/0x3a0
[  280.365063]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  280.369985]  ? __ww_mutex_check_waiters+0x160/0x160
[  280.375002]  __alloc_pages_slowpath+0x232c/0x2de0
[  280.379861]  ? warn_alloc+0x120/0x120
[  280.383650]  ? mark_held_locks+0x130/0x130
[  280.387881]  ? find_get_entry+0xaae/0x1120
[  280.392116]  ? filemap_map_pages+0x1a20/0x1a20
[  280.396698]  ? zap_class+0x640/0x640
[  280.400416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.405942]  ? check_preemption_disabled+0x48/0x280
[  280.410947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.416476]  ? should_fail+0x22d/0xd01
[  280.420354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.425452]  ? zap_class+0x640/0x640
[  280.429175]  ? __lock_is_held+0xb5/0x140
[  280.433243]  ? mark_held_locks+0x130/0x130
[  280.437491]  ? lock_release+0xa00/0xa00
[  280.441460]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.446906]  ? xa_load+0x2ba/0x460
[  280.450439]  ? lock_downgrade+0x900/0x900
[  280.454589]  ? __might_sleep+0x95/0x190
[  280.458568]  __alloc_pages_nodemask+0xad8/0xea0
[  280.463236]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  280.468243]  ? __page_cache_alloc+0x191/0x5c0
[  280.472730]  ? xa_load+0x2e1/0x460
[  280.476260]  ? xa_clear_mark+0x40/0x40
[  280.480140]  ? zap_class+0x640/0x640
[  280.483852]  ? zap_class+0x640/0x640
[  280.487552]  ? zap_class+0x640/0x640
[  280.491277]  ? __do_page_cache_readahead+0x663/0x810
[  280.496457]  ? find_held_lock+0x36/0x1c0
[  280.500510]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.506042]  alloc_pages_current+0x173/0x350
[  280.510443]  __page_cache_alloc+0x38c/0x5c0
[  280.514751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.519683]  ? kasan_check_read+0x11/0x20
[  280.523827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.529288]  ? generic_perform_write+0x6a0/0x6a0
[  280.534037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.539564]  ? check_preemption_disabled+0x48/0x280
[  280.544576]  filemap_fault+0x1595/0x25f0
[  280.548640]  ? __lock_page_or_retry+0xa00/0xa00
[  280.553302]  ? mark_held_locks+0x130/0x130
[  280.557532]  ? filemap_map_pages+0xd6b/0x1a20
[  280.562017]  ? lock_downgrade+0x900/0x900
[  280.566154]  ? check_preemption_disabled+0x48/0x280
[  280.571162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.576081]  ? kasan_check_read+0x11/0x20
[  280.580227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.585495]  ? rcu_softirq_qs+0x20/0x20
[  280.589471]  ? filemap_map_pages+0xd92/0x1a20
[  280.593960]  ? find_get_entries_tag+0x1400/0x1400
[  280.598793]  ? __kernel_text_address+0xd/0x40
[  280.603291]  ? unwind_get_return_address+0x61/0xa0
[  280.608233]  ? lock_acquire+0x1ed/0x520
[  280.612215]  ? ext4_filemap_fault+0x7a/0xad
[  280.616548]  ? lock_release+0xa00/0xa00
[  280.620510]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.625945]  ? print_usage_bug+0xc0/0xc0
[  280.629997]  ? print_usage_bug+0xc0/0xc0
[  280.634049]  ? __x64_sys_read+0x73/0xb0
[  280.638012]  ? print_usage_bug+0xc0/0xc0
[  280.642074]  ? down_read+0x8d/0x120
[  280.645689]  ? ext4_filemap_fault+0x7a/0xad
[  280.650003]  ? __down_interruptible+0x700/0x700
[  280.654665]  ext4_filemap_fault+0x82/0xad
[  280.658808]  __do_fault+0x100/0x6b0
[  280.662422]  ? trace_hardirqs_on+0xbd/0x310
[  280.666736]  ? pmd_devmap_trans_unstable+0x220/0x220
[  280.671829]  ? mark_held_locks+0x130/0x130
[  280.676072]  ? mark_held_locks+0x130/0x130
[  280.680300]  ? do_syslog+0x147b/0x1690
[  280.684188]  ? do_syslog+0x309/0x1690
[  280.687978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.693600]  __handle_mm_fault+0x3ea0/0x5be0
[  280.698503]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  280.703342]  ? find_held_lock+0x36/0x1c0
[  280.707404]  ? zap_class+0x640/0x640
[  280.711106]  ? zap_class+0x640/0x640
[  280.714819]  ? find_held_lock+0x36/0x1c0
[  280.718967]  ? handle_mm_fault+0x42a/0xc70
[  280.723201]  ? lock_downgrade+0x900/0x900
[  280.727337]  ? check_preemption_disabled+0x48/0x280
[  280.732344]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.737268]  ? kasan_check_read+0x11/0x20
[  280.741410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.746678]  ? rcu_softirq_qs+0x20/0x20
[  280.750645]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.755736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.761261]  ? check_preemption_disabled+0x48/0x280
[  280.766269]  handle_mm_fault+0x54f/0xc70
[  280.770323]  ? __handle_mm_fault+0x5be0/0x5be0
[  280.774904]  ? find_vma+0x34/0x190
[  280.778456]  __do_page_fault+0x5e8/0xe60
[  280.782510]  ? trace_hardirqs_off+0xb8/0x310
[  280.786907]  ? kernel_write+0x120/0x120
[  280.790878]  do_page_fault+0xf2/0x7e0
[  280.794693]  ? vmalloc_sync_all+0x30/0x30
[  280.798832]  ? error_entry+0x70/0xd0
[  280.802533]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.807539]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.812458]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.817377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.822211]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.827216]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.832670]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  280.837689]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.842701]  ? page_fault+0x8/0x30
[  280.846234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.851064]  ? page_fault+0x8/0x30
[  280.854593]  page_fault+0x1e/0x30
[  280.858066] RIP: 0033:0x7f71188e71fd
[  280.861775] Code: Bad RIP value.
[  280.865124] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  280.870476] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  280.877735] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  280.885104] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  280.892370] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  280.899626] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  280.906896] warn_alloc_show_mem: 1 callbacks suppressed
[  280.906904] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  280.906906] Mem-Info:
[  280.906933] active_anon:46284 inactive_anon:276 isolated_anon:0
[  280.906933]  active_file:13 inactive_file:11 isolated_file:0
[  280.906933]  unevictable:0 dirty:0 writeback:0 unstable:0
[  280.906933]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  280.906933]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  280.906933]  free:13741 free_pcp:339 free_cma:0
[  280.912262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.919523] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  280.921908] Call Trace:
[  280.954761] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  280.964196]  <IRQ>
[  280.991917] lowmem_reserve[]: 0 2818 6321 6321
[  280.994489]  dump_stack+0x244/0x39d
[  281.020577] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  281.022716]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.027351] lowmem_reserve[]: 0 0 3503 3503
[  281.030969]  warn_alloc.cold.116+0xb7/0x1bd
[  281.058514] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  281.063688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.067969] lowmem_reserve[]: 0 0 0 0
[  281.072282]  ? lock_downgrade+0x900/0x900
[  281.101304] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  281.106158]  ? trace_hardirqs_off+0xb8/0x310
[  281.109917] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  281.114052]  ? trace_hardirqs_off+0xb8/0x310
[  281.127534] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  281.131937]  __alloc_pages_slowpath+0x2651/0x2de0
[  281.147077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.151484]  ? warn_alloc+0x120/0x120
[  281.166446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.171279]  ? print_usage_bug+0xc0/0xc0
[  281.180088] 358 total pagecache pages
[  281.183866]  ? warn_alloc+0x120/0x120
[  281.192418] 0 pages in swap cache
[  281.196457]  ? warn_alloc+0x120/0x120
[  281.200228] Swap cache stats: add 0, delete 0, find 0/0
[  281.204008]  ? print_usage_bug+0xc0/0xc0
[  281.207543] Free swap  = 0kB
[  281.211330]  ? kvm_clock_read+0x18/0x30
[  281.216663] Total swap = 0kB
[  281.220702]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.223686] 1965979 pages RAM
[  281.227642]  ? print_usage_bug+0xc0/0xc0
[  281.230624] 0 pages HighMem/MovableOnly
[  281.230630] 342854 pages reserved
[  281.235629]  ? __lock_acquire+0x62f/0x4c20
[  281.238704] 0 pages cma reserved
[  281.242749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.246737] aoe: skb alloc failure
[  281.250155]  ? should_fail+0x22d/0xd01
[  281.250165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.250182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.254410] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.257734]  ? __lock_acquire+0x62f/0x4c20
[  281.263254] rsyslogd cpuset=/ mems_allowed=0
[  281.266777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.304673]  ? __lock_acquire+0x62f/0x4c20
[  281.308899]  ? should_fail+0x22d/0xd01
[  281.312770]  ? rcu_irq_exit+0x1a2/0x390
[  281.316744]  ? mark_held_locks+0x130/0x130
[  281.320974]  ? mark_held_locks+0x130/0x130
[  281.325208]  ? mark_held_locks+0xc7/0x130
[  281.329361]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  281.334370]  ? zap_class+0x640/0x640
[  281.338070]  ? print_usage_bug+0xc0/0xc0
[  281.342121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.347661]  ? check_preemption_disabled+0x48/0x280
[  281.352672]  ? __lock_is_held+0xb5/0x140
[  281.356727]  __alloc_pages_nodemask+0xad8/0xea0
[  281.361394]  ? zap_class+0x640/0x640
[  281.365098]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  281.370136]  ? find_held_lock+0x36/0x1c0
[  281.374194]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.378873]  ? lock_downgrade+0x900/0x900
[  281.383016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.388546]  cache_grow_begin+0xa5/0x8c0
[  281.392598]  ? do_raw_spin_unlock+0xa7/0x330
[  281.397008]  fallback_alloc+0x204/0x2e0
[  281.400976]  ____cache_alloc_node+0x1c7/0x1e0
[  281.405464]  kmem_cache_alloc_node+0xe3/0x730
[  281.409949]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.414181]  __alloc_skb+0x119/0x770
[  281.417886]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.423162]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.427565]  ? lock_downgrade+0x900/0x900
[  281.431725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.437257]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.442702]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.448149]  ? addrconf_rs_timer+0x690/0x690
[  281.452558]  ndisc_alloc_skb+0x144/0x340
[  281.456612]  ndisc_send_rs+0x331/0x6e0
[  281.460493]  addrconf_rs_timer+0x314/0x690
[  281.464718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.468946]  call_timer_fn+0x272/0x920
[  281.472833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.477052]  ? process_timeout+0x40/0x40
[  281.481106]  ? __run_timers+0x7da/0xc70
[  281.485081]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.489568]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.494051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.498273]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.502846]  ? trace_hardirqs_on+0xbd/0x310
[  281.507156]  ? kasan_check_read+0x11/0x20
[  281.511292]  ? __run_timers+0x7da/0xc70
[  281.515254]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.520346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.524580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.528807]  __run_timers+0x7e5/0xc70
[  281.532605]  ? timer_fixup_init+0x70/0x70
[  281.536742]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  281.541763]  ? zap_class+0x640/0x640
[  281.545469]  ? enqueue_hrtimer+0x1a5/0x560
[  281.549722]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  281.554917]  ? find_held_lock+0x36/0x1c0
[  281.558971]  ? zap_class+0x640/0x640
[  281.562674]  ? pvclock_read_flags+0x160/0x160
[  281.567160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.572690]  ? check_preemption_disabled+0x48/0x280
[  281.577700]  ? __lock_is_held+0xb5/0x140
[  281.581754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.587283]  ? check_preemption_disabled+0x48/0x280
[  281.592287]  run_timer_softirq+0x52/0xb0
[  281.596340]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.601347]  __do_softirq+0x308/0xb7e
[  281.605141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  281.609621]  ? lock_downgrade+0x900/0x900
[  281.613759]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.618860]  ? pvclock_read_flags+0x160/0x160
[  281.623346]  ? lapic_next_event+0x5a/0x90
[  281.627484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.633018]  ? kvm_clock_read+0x18/0x30
[  281.636982]  ? kvm_sched_clock_read+0x9/0x20
[  281.641381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.646913]  ? check_preemption_disabled+0x48/0x280
[  281.651928]  irq_exit+0x17f/0x1c0
[  281.655366]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.660196]  ? smp_reschedule_interrupt+0x109/0x650
[  281.665205]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.671081]  ? interrupt_entry+0xb5/0xc0
[  281.675139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.680148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.685154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.690002]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.695015]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.700015]  ? task_prio+0x50/0x50
[  281.703546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.709071]  ? check_preemption_disabled+0x48/0x280
[  281.714091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.718946]  apic_timer_interrupt+0xf/0x20
[  281.723162]  </IRQ>
[  281.725390] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  281.730310] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  281.749200] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  281.756906] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  281.764183] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  281.771442] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  281.778701] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  281.786071] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  281.793373]  skb_clone+0x1bb/0x500
[  281.796904]  ? finish_task_switch+0x615/0x910
[  281.801391]  ? skb_split+0x11e0/0x11e0
[  281.805269]  ? preempt_notifier_register+0x200/0x200
[  281.810357]  ? __switch_to_asm+0x34/0x70
[  281.814402]  ? __switch_to_asm+0x34/0x70
[  281.818452]  ? __switch_to_asm+0x40/0x70
[  281.822500]  ? __switch_to_asm+0x34/0x70
[  281.826550]  ? __switch_to_asm+0x40/0x70
[  281.830598]  ? __switch_to_asm+0x34/0x70
[  281.834645]  ? __switch_to_asm+0x40/0x70
[  281.838695]  ? __switch_to_asm+0x34/0x70
[  281.842746]  ? __switch_to_asm+0x34/0x70
[  281.846796]  ? __switch_to_asm+0x40/0x70
[  281.850847]  ? __switch_to_asm+0x34/0x70
[  281.854923]  bpf_clone_redirect+0xb9/0x490
[  281.859149]  ? __schedule+0x8d7/0x21d0
[  281.863036]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  281.868040]  ? __sched_text_start+0x8/0x8
[  281.872178]  ? retint_kernel+0x2d/0x2d
[  281.876066]  ? find_held_lock+0x36/0x1c0
[  281.880138]  ? lock_acquire+0x1ed/0x520
[  281.884115]  ? bpf_test_run+0x3ee/0x7a0
[  281.888085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.893622]  ? check_preemption_disabled+0x48/0x280
[  281.898627]  ? kasan_check_read+0x11/0x20
[  281.902760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.908026]  ? rcu_softirq_qs+0x20/0x20
[  281.912006]  ? preempt_schedule+0x4d/0x60
[  281.916158]  ? ___preempt_schedule+0x16/0x18
[  281.920562]  ? bpf_test_run+0x271/0x7a0
[  281.924536]  ? eth_type_trans+0x2ea/0x760
[  281.928674]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.933091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.938619]  ? bpf_test_init.isra.10+0x70/0x100
[  281.943284]  ? bpf_prog_test_run_skb+0x762/0xd60
[  281.948047]  ? apparmor_cred_transfer+0x590/0x590
[  281.952879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.957717]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.963246]  ? fput+0x130/0x1a0
[  281.966518]  ? __bpf_prog_get+0x9b/0x290
[  281.970570]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.975405]  ? bpf_prog_test_run+0x130/0x1a0
[  281.979806]  ? __x64_sys_bpf+0x3d8/0x520
[  281.983861]  ? bpf_prog_get+0x20/0x20
[  281.987674]  ? do_syscall_64+0x1b9/0x820
[  281.991724]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.997092]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.002017]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.007024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.012030]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  282.018681]  ? __switch_to_asm+0x40/0x70
[  282.022729]  ? __switch_to_asm+0x34/0x70
[  282.026788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.031621]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.036984] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  282.037031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.043806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.043811] Call Trace:
[  282.043815]  <IRQ>
[  282.043829]  dump_stack+0x244/0x39d
[  282.043847]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.050378] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.059665]  warn_alloc.cold.116+0xb7/0x1bd
[  282.062209] syz-executor4 cpuset=syz4 mems_allowed=0
[  282.064352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.097783]  ? lock_downgrade+0x900/0x900
[  282.101923]  ? trace_hardirqs_off+0xb8/0x310
[  282.106331]  ? trace_hardirqs_off+0xb8/0x310
[  282.110745]  __alloc_pages_slowpath+0x2651/0x2de0
[  282.115604]  ? warn_alloc+0x120/0x120
[  282.119428]  ? warn_alloc+0x120/0x120
[  282.123234]  ? __lock_acquire+0x62f/0x4c20
[  282.127456]  ? warn_alloc+0x120/0x120
[  282.131250]  ? print_usage_bug+0xc0/0xc0
[  282.135305]  ? print_usage_bug+0xc0/0xc0
[  282.139359]  ? mark_held_locks+0x130/0x130
[  282.143594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.149124]  ? should_fail+0x22d/0xd01
[  282.152996]  ? zap_class+0x640/0x640
[  282.156705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.161815]  ? __lock_acquire+0x62f/0x4c20
[  282.166042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.171143]  ? should_fail+0x22d/0xd01
[  282.175023]  ? mark_held_locks+0x130/0x130
[  282.179248]  ? mark_held_locks+0x130/0x130
[  282.183484]  ? lock_downgrade+0x900/0x900
[  282.187625]  ? zap_class+0x640/0x640
[  282.191333]  ? zap_class+0x640/0x640
[  282.195043]  ? zap_class+0x640/0x640
[  282.198754]  ? do_raw_spin_unlock+0xa7/0x330
[  282.203152]  ? trace_hardirqs_on+0x310/0x310
[  282.207557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.213091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.218616]  ? check_preemption_disabled+0x48/0x280
[  282.223624]  ? __lock_is_held+0xb5/0x140
[  282.227676]  __alloc_pages_nodemask+0xad8/0xea0
[  282.232330]  ? zap_class+0x640/0x640
[  282.236033]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  282.241057]  ? find_held_lock+0x36/0x1c0
[  282.245134]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.249794]  ? lock_downgrade+0x900/0x900
[  282.253936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.259464]  cache_grow_begin+0xa5/0x8c0
[  282.263516]  ? do_raw_spin_unlock+0xa7/0x330
[  282.267925]  fallback_alloc+0x204/0x2e0
[  282.271893]  ____cache_alloc_node+0x1c7/0x1e0
[  282.276384]  kmem_cache_alloc_node+0xe3/0x730
[  282.280868]  ? __kmalloc_node_track_caller+0x50/0x70
[  282.285964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.291495]  __alloc_skb+0x119/0x770
[  282.295193]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.300570]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.304976]  ? vprintk_default+0x28/0x30
[  282.309035]  ? vprintk_func+0x85/0x181
[  282.312930]  ? printk+0xa7/0xcf
[  282.316216]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  282.320967]  new_skb+0x26/0x1c0
[  282.324354]  aoecmd_cfg+0x279/0x7f0
[  282.327975]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  282.332290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.337826]  ? __lock_is_held+0xb5/0x140
[  282.341884]  discover_timer+0x50/0x60
[  282.345673]  call_timer_fn+0x272/0x920
[  282.349545]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  282.354379]  ? process_timeout+0x40/0x40
[  282.358446]  ? mark_held_locks+0xc7/0x130
[  282.362585]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.367070]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.371557]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  282.376389]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.380963]  ? trace_hardirqs_on+0xbd/0x310
[  282.385291]  ? kasan_check_read+0x11/0x20
[  282.389428]  ? __run_timers+0x7da/0xc70
[  282.393390]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.398489]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  282.403313]  __run_timers+0x7e5/0xc70
[  282.407103]  ? timer_fixup_init+0x70/0x70
[  282.411243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.416245]  ? zap_class+0x640/0x640
[  282.419953]  ? print_usage_bug+0xc0/0xc0
[  282.424003]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.429188]  ? find_held_lock+0x36/0x1c0
[  282.433245]  ? zap_class+0x640/0x640
[  282.436953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.442480]  ? check_preemption_disabled+0x48/0x280
[  282.447492]  ? __lock_is_held+0xb5/0x140
[  282.451558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.457089]  ? check_preemption_disabled+0x48/0x280
[  282.462097]  run_timer_softirq+0x52/0xb0
[  282.466144]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.471149]  __do_softirq+0x308/0xb7e
[  282.474943]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.479423]  ? lock_downgrade+0x900/0x900
[  282.483564]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.488664]  ? pvclock_read_flags+0x160/0x160
[  282.493154]  ? lapic_next_event+0x5a/0x90
[  282.497291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.502824]  ? kvm_clock_read+0x18/0x30
[  282.506789]  ? kvm_sched_clock_read+0x9/0x20
[  282.511189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.516715]  ? check_preemption_disabled+0x48/0x280
[  282.521723]  irq_exit+0x17f/0x1c0
[  282.525165]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.530186]  ? smp_reschedule_interrupt+0x109/0x650
[  282.535197]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.541066]  ? interrupt_entry+0xb5/0xc0
[  282.545116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.550120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.555122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.559972]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.564977]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.569999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.574834]  apic_timer_interrupt+0xf/0x20
[  282.579055]  </IRQ>
[  282.581282] RIP: 0010:dump_stack+0x358/0x39d
[  282.585681] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  282.604568] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  282.612267] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  282.619540] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  282.626797] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  282.634054] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  282.641395] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  282.648661]  ? dump_stack+0x34f/0x39d
[  282.652464]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.657645]  ? mark_held_locks+0x130/0x130
[  282.661868]  ? mark_held_locks+0x130/0x130
[  282.666096]  dump_header+0x27b/0xf72
[  282.669805]  ? pagefault_out_of_memory+0x197/0x197
[  282.674731]  ? __lock_acquire+0x62f/0x4c20
[  282.678961]  ? percpu_ref_get_many+0x240/0x240
[  282.683536]  ? print_usage_bug+0xc0/0xc0
[  282.687590]  ? zap_class+0x640/0x640
[  282.691297]  ? print_usage_bug+0xc0/0xc0
[  282.695345]  ? print_usage_bug+0xc0/0xc0
[  282.699919]  ? zap_class+0x640/0x640
[  282.703625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.709155]  ? find_held_lock+0x36/0x1c0
[  282.713211]  ? mark_held_locks+0xc7/0x130
[  282.717347]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.722436]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.727534]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  282.732125]  ? trace_hardirqs_on+0xbd/0x310
[  282.736432]  ? kasan_check_read+0x11/0x20
[  282.740565]  ? ___ratelimit+0x3b4/0x672
[  282.744532]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.749626]  ? trace_hardirqs_on+0x310/0x310
[  282.754029]  ? lock_downgrade+0x900/0x900
[  282.758252]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.763342]  ? ___ratelimit+0x3b9/0x672
[  282.767306]  ? idr_get_free+0xf70/0xf70
[  282.771373]  ? find_held_lock+0x36/0x1c0
[  282.775430]  oom_kill_process.cold.27+0x10/0x903
[  282.780176]  ? zap_class+0x640/0x640
[  282.783881]  ? check_preemption_disabled+0x48/0x280
[  282.788885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.793798]  ? kasan_check_read+0x11/0x20
[  282.797930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.803203]  ? oom_evaluate_task+0x540/0x540
[  282.807605]  ? find_held_lock+0x36/0x1c0
[  282.811742]  ? out_of_memory+0x974/0x1430
[  282.815873]  ? lock_downgrade+0x900/0x900
[  282.820015]  ? check_preemption_disabled+0x48/0x280
[  282.825020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.829933]  ? kasan_check_read+0x11/0x20
[  282.834085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.839359]  ? rcu_softirq_qs+0x20/0x20
[  282.843325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.848848]  ? oom_evaluate_task+0x302/0x540
[  282.853249]  out_of_memory+0xa84/0x1430
[  282.857219]  ? oom_killer_disable+0x3a0/0x3a0
[  282.861701]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  282.866619]  ? __ww_mutex_check_waiters+0x160/0x160
[  282.871629]  __alloc_pages_slowpath+0x232c/0x2de0
[  282.876501]  ? warn_alloc+0x120/0x120
[  282.880296]  ? mark_held_locks+0x130/0x130
[  282.884522]  ? find_get_entry+0xaae/0x1120
[  282.888757]  ? filemap_map_pages+0x1a20/0x1a20
[  282.893336]  ? zap_class+0x640/0x640
[  282.897048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.902581]  ? check_preemption_disabled+0x48/0x280
[  282.907593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.913122]  ? should_fail+0x22d/0xd01
[  282.917015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.922118]  ? zap_class+0x640/0x640
[  282.925846]  ? __lock_is_held+0xb5/0x140
[  282.929908]  ? mark_held_locks+0x130/0x130
[  282.934136]  ? lock_release+0xa00/0xa00
[  282.938101]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.943542]  ? xa_load+0x2ba/0x460
[  282.947073]  ? lock_downgrade+0x900/0x900
[  282.951218]  ? __might_sleep+0x95/0x190
[  282.955201]  __alloc_pages_nodemask+0xad8/0xea0
[  282.959872]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  282.964880]  ? __page_cache_alloc+0x191/0x5c0
[  282.969368]  ? xa_load+0x2e1/0x460
[  282.972898]  ? xa_clear_mark+0x40/0x40
[  282.976774]  ? zap_class+0x640/0x640
[  282.980480]  ? zap_class+0x640/0x640
[  282.984187]  ? zap_class+0x640/0x640
[  282.987889]  ? __do_page_cache_readahead+0x663/0x810
[  282.992982]  ? find_held_lock+0x36/0x1c0
[  282.997052]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  283.002583]  alloc_pages_current+0x173/0x350
[  283.006994]  __page_cache_alloc+0x38c/0x5c0
[  283.011300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.016212]  ? kasan_check_read+0x11/0x20
[  283.020346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.025618]  ? generic_perform_write+0x6a0/0x6a0
[  283.030361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.035888]  ? check_preemption_disabled+0x48/0x280
[  283.040897]  filemap_fault+0x1595/0x25f0
[  283.044955]  ? __lock_page_or_retry+0xa00/0xa00
[  283.049616]  ? mark_held_locks+0x130/0x130
[  283.053858]  ? filemap_map_pages+0xd6b/0x1a20
[  283.058344]  ? lock_downgrade+0x900/0x900
[  283.062479]  ? check_preemption_disabled+0x48/0x280
[  283.067486]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.072408]  ? kasan_check_read+0x11/0x20
[  283.076546]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.081839]  ? rcu_softirq_qs+0x20/0x20
[  283.085814]  ? filemap_map_pages+0xd92/0x1a20
[  283.090325]  ? find_get_entries_tag+0x1400/0x1400
[  283.095157]  ? __kernel_text_address+0xd/0x40
[  283.099650]  ? unwind_get_return_address+0x61/0xa0
[  283.104574]  ? lock_acquire+0x1ed/0x520
[  283.108541]  ? ext4_filemap_fault+0x7a/0xad
[  283.112867]  ? lock_release+0xa00/0xa00
[  283.116832]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.122276]  ? print_usage_bug+0xc0/0xc0
[  283.126343]  ? print_usage_bug+0xc0/0xc0
[  283.130398]  ? __x64_sys_read+0x73/0xb0
[  283.134362]  ? print_usage_bug+0xc0/0xc0
[  283.138418]  ? down_read+0x8d/0x120
[  283.142030]  ? ext4_filemap_fault+0x7a/0xad
[  283.146344]  ? __down_interruptible+0x700/0x700
[  283.151009]  ext4_filemap_fault+0x82/0xad
[  283.155145]  __do_fault+0x100/0x6b0
[  283.158764]  ? trace_hardirqs_on+0xbd/0x310
[  283.163083]  ? pmd_devmap_trans_unstable+0x220/0x220
[  283.168179]  ? mark_held_locks+0x130/0x130
[  283.172406]  ? mark_held_locks+0x130/0x130
[  283.176636]  ? do_syslog+0x147b/0x1690
[  283.180517]  ? do_syslog+0x309/0x1690
[  283.184313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.189846]  __handle_mm_fault+0x3ea0/0x5be0
[  283.194254]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  283.199087]  ? find_held_lock+0x36/0x1c0
[  283.203148]  ? zap_class+0x640/0x640
[  283.206853]  ? zap_class+0x640/0x640
[  283.210574]  ? find_held_lock+0x36/0x1c0
[  283.214640]  ? handle_mm_fault+0x42a/0xc70
[  283.218867]  ? lock_downgrade+0x900/0x900
[  283.223005]  ? check_preemption_disabled+0x48/0x280
[  283.228017]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.232933]  ? kasan_check_read+0x11/0x20
[  283.237066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.242347]  ? rcu_softirq_qs+0x20/0x20
[  283.246311]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.251409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.256945]  ? check_preemption_disabled+0x48/0x280
[  283.261982]  handle_mm_fault+0x54f/0xc70
[  283.266031]  ? __handle_mm_fault+0x5be0/0x5be0
[  283.270609]  ? find_vma+0x34/0x190
[  283.274145]  __do_page_fault+0x5e8/0xe60
[  283.278190]  ? trace_hardirqs_off+0xb8/0x310
[  283.282580]  ? kernel_write+0x120/0x120
[  283.286549]  do_page_fault+0xf2/0x7e0
[  283.290335]  ? vmalloc_sync_all+0x30/0x30
[  283.294465]  ? error_entry+0x70/0xd0
[  283.298183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.303184]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.308103]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.313021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.317853]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.322857]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.328297]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  283.333302]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.338307]  ? page_fault+0x8/0x30
[  283.341845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.346677]  ? page_fault+0x8/0x30
[  283.350206]  page_fault+0x1e/0x30
[  283.353642] RIP: 0033:0x7f71188e71fd
[  283.357363] Code: Bad RIP value.
[  283.360716] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  283.366063] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  283.373314] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  283.380571] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  283.387829] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  283.395101] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  283.402372] warn_alloc_show_mem: 1 callbacks suppressed
[  283.402381] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  283.402382] Mem-Info:
[  283.402409] active_anon:46284 inactive_anon:276 isolated_anon:0
[  283.402409]  active_file:13 inactive_file:11 isolated_file:0
[  283.402409]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.402409]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  283.402409]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  283.402409]  free:13741 free_pcp:339 free_cma:0
[  283.407727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.407734] Call Trace:
[  283.414998] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.417378]  <IRQ>
[  283.450222] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.459557]  dump_stack+0x244/0x39d
[  283.462110] lowmem_reserve[]: 0 2818 6321 6321
[  283.489769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.491891] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  283.518004]  warn_alloc.cold.116+0xb7/0x1bd
[  283.521590] lowmem_reserve[]: 0 0 3503 3503
[  283.526165]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.531318] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  283.558881]  ? lock_downgrade+0x900/0x900
[  283.563252] lowmem_reserve[]: 0 0 0 0
[  283.567562]  ? trace_hardirqs_off+0xb8/0x310
[  283.572374] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  283.601418]  ? trace_hardirqs_off+0xb8/0x310
[  283.605531] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  283.609320]  __alloc_pages_slowpath+0x2651/0x2de0
[  283.613695] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  283.627216]  ? warn_alloc+0x120/0x120
[  283.631577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  283.646726]  ? print_usage_bug+0xc0/0xc0
[  283.651538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  283.666420]  ? warn_alloc+0x120/0x120
[  283.670185] 358 total pagecache pages
[  283.679002]  ? warn_alloc+0x120/0x120
[  283.683039] 0 pages in swap cache
[  283.691587]  ? print_usage_bug+0xc0/0xc0
[  283.695357] Swap cache stats: add 0, delete 0, find 0/0
[  283.699135]  ? kvm_clock_read+0x18/0x30
[  283.702901] Free swap  = 0kB
[  283.706331]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.710358] Total swap = 0kB
[  283.715696]  ? print_usage_bug+0xc0/0xc0
[  283.719638] 1965979 pages RAM
[  283.722635]  ? __lock_acquire+0x62f/0x4c20
[  283.727610] 0 pages HighMem/MovableOnly
[  283.727617] 342854 pages reserved
[  283.730619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.734640] 0 pages cma reserved
[  283.734691] aoe: skb alloc failure
[  283.737733]  ? should_fail+0x22d/0xd01
[  283.741982] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.745899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.749317] rsyslogd cpuset=/ mems_allowed=0
[  283.754836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.790285]  ? __lock_acquire+0x62f/0x4c20
[  283.794507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.799596]  ? __lock_acquire+0x62f/0x4c20
[  283.803816]  ? should_fail+0x22d/0xd01
[  283.807685]  ? rcu_irq_exit+0x1a2/0x390
[  283.811650]  ? mark_held_locks+0x130/0x130
[  283.815875]  ? mark_held_locks+0x130/0x130
[  283.820103]  ? mark_held_locks+0xc7/0x130
[  283.824240]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  283.829241]  ? zap_class+0x640/0x640
[  283.832946]  ? print_usage_bug+0xc0/0xc0
[  283.837008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.842531]  ? check_preemption_disabled+0x48/0x280
[  283.847538]  ? __lock_is_held+0xb5/0x140
[  283.851605]  __alloc_pages_nodemask+0xad8/0xea0
[  283.856261]  ? zap_class+0x640/0x640
[  283.859971]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  283.864981]  ? find_held_lock+0x36/0x1c0
[  283.869038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.873697]  ? lock_downgrade+0x900/0x900
[  283.877858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.883396]  cache_grow_begin+0xa5/0x8c0
[  283.887443]  ? do_raw_spin_unlock+0xa7/0x330
[  283.891839]  fallback_alloc+0x204/0x2e0
[  283.895808]  ____cache_alloc_node+0x1c7/0x1e0
[  283.900299]  kmem_cache_alloc_node+0xe3/0x730
[  283.904783]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.909016]  __alloc_skb+0x119/0x770
[  283.912713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.917982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.922375]  ? lock_downgrade+0x900/0x900
[  283.926514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.932038]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.937497]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.942938]  ? addrconf_rs_timer+0x690/0x690
[  283.947339]  ndisc_alloc_skb+0x144/0x340
[  283.951386]  ndisc_send_rs+0x331/0x6e0
[  283.955271]  addrconf_rs_timer+0x314/0x690
[  283.959496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.963730]  call_timer_fn+0x272/0x920
[  283.967614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.971838]  ? process_timeout+0x40/0x40
[  283.975893]  ? __run_timers+0x7da/0xc70
[  283.979865]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.984347]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.988824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.993043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.997609]  ? trace_hardirqs_on+0xbd/0x310
[  284.002028]  ? kasan_check_read+0x11/0x20
[  284.006266]  ? __run_timers+0x7da/0xc70
[  284.010226]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.015314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.019535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.023752]  __run_timers+0x7e5/0xc70
[  284.027545]  ? timer_fixup_init+0x70/0x70
[  284.031678]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.036678]  ? zap_class+0x640/0x640
[  284.040379]  ? enqueue_hrtimer+0x1a5/0x560
[  284.044604]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.049783]  ? find_held_lock+0x36/0x1c0
[  284.053831]  ? zap_class+0x640/0x640
[  284.057549]  ? pvclock_read_flags+0x160/0x160
[  284.062035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.067557]  ? check_preemption_disabled+0x48/0x280
[  284.072582]  ? __lock_is_held+0xb5/0x140
[  284.076631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.082155]  ? check_preemption_disabled+0x48/0x280
[  284.087160]  run_timer_softirq+0x52/0xb0
[  284.091208]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.096207]  __do_softirq+0x308/0xb7e
[  284.099996]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.104473]  ? lock_downgrade+0x900/0x900
[  284.108610]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.113710]  ? pvclock_read_flags+0x160/0x160
[  284.118192]  ? lapic_next_event+0x5a/0x90
[  284.122326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.127859]  ? kvm_clock_read+0x18/0x30
[  284.131821]  ? kvm_sched_clock_read+0x9/0x20
[  284.136217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.141742]  ? check_preemption_disabled+0x48/0x280
[  284.146752]  irq_exit+0x17f/0x1c0
[  284.150196]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.155021]  ? smp_reschedule_interrupt+0x109/0x650
[  284.160021]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.165903]  ? interrupt_entry+0xb5/0xc0
[  284.169964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.174968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.179971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.184802]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.189806]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.194814]  ? task_prio+0x50/0x50
[  284.198343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.203873]  ? check_preemption_disabled+0x48/0x280
[  284.208899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.213735]  apic_timer_interrupt+0xf/0x20
[  284.217947]  </IRQ>
[  284.220169] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.225089] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  284.243973] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  284.251667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.258919] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  284.266172] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  284.273426] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.280679] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  284.287959]  skb_clone+0x1bb/0x500
[  284.291486]  ? finish_task_switch+0x615/0x910
[  284.295969]  ? skb_split+0x11e0/0x11e0
[  284.299846]  ? preempt_notifier_register+0x200/0x200
[  284.304932]  ? __switch_to_asm+0x34/0x70
[  284.308981]  ? __switch_to_asm+0x34/0x70
[  284.313028]  ? __switch_to_asm+0x40/0x70
[  284.317074]  ? __switch_to_asm+0x34/0x70
[  284.321116]  ? __switch_to_asm+0x40/0x70
[  284.325157]  ? __switch_to_asm+0x34/0x70
[  284.329200]  ? __switch_to_asm+0x40/0x70
[  284.333241]  ? __switch_to_asm+0x34/0x70
[  284.337299]  ? __switch_to_asm+0x34/0x70
[  284.341342]  ? __switch_to_asm+0x40/0x70
[  284.345383]  ? __switch_to_asm+0x34/0x70
[  284.349429]  bpf_clone_redirect+0xb9/0x490
[  284.353648]  ? __schedule+0x8d7/0x21d0
[  284.357525]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  284.362529]  ? __sched_text_start+0x8/0x8
[  284.366661]  ? retint_kernel+0x2d/0x2d
[  284.370546]  ? find_held_lock+0x36/0x1c0
[  284.374600]  ? lock_acquire+0x1ed/0x520
[  284.378566]  ? bpf_test_run+0x3ee/0x7a0
[  284.382527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.388048]  ? check_preemption_disabled+0x48/0x280
[  284.393054]  ? kasan_check_read+0x11/0x20
[  284.397189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.402461]  ? rcu_softirq_qs+0x20/0x20
[  284.406422]  ? preempt_schedule+0x4d/0x60
[  284.410555]  ? ___preempt_schedule+0x16/0x18
[  284.414954]  ? bpf_test_run+0x271/0x7a0
[  284.418928]  ? eth_type_trans+0x2ea/0x760
[  284.423063]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.427459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.432982]  ? bpf_test_init.isra.10+0x70/0x100
[  284.437637]  ? bpf_prog_test_run_skb+0x762/0xd60
[  284.442396]  ? apparmor_cred_transfer+0x590/0x590
[  284.447233]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.452069]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.457592]  ? fput+0x130/0x1a0
[  284.460867]  ? __bpf_prog_get+0x9b/0x290
[  284.464939]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.469765]  ? bpf_prog_test_run+0x130/0x1a0
[  284.474175]  ? __x64_sys_bpf+0x3d8/0x520
[  284.478222]  ? bpf_prog_get+0x20/0x20
[  284.482022]  ? do_syscall_64+0x1b9/0x820
[  284.486072]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.491425]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.496343]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.501342]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.506345]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  284.512995]  ? __switch_to_asm+0x40/0x70
[  284.517037]  ? __switch_to_asm+0x34/0x70
[  284.521090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.525922]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.531804] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  284.531882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.538624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.538628] Call Trace:
[  284.538633]  <IRQ>
[  284.538646]  dump_stack+0x244/0x39d
[  284.538661]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.545159] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.554459]  warn_alloc.cold.116+0xb7/0x1bd
[  284.557013] syz-executor4 cpuset=syz4 mems_allowed=0
[  284.559143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.592559]  ? lock_downgrade+0x900/0x900
[  284.596700]  ? trace_hardirqs_off+0xb8/0x310
[  284.601102]  ? trace_hardirqs_off+0xb8/0x310
[  284.605503]  __alloc_pages_slowpath+0x2651/0x2de0
[  284.610349]  ? warn_alloc+0x120/0x120
[  284.614232]  ? warn_alloc+0x120/0x120
[  284.618022]  ? warn_alloc+0x120/0x120
[  284.621812]  ? print_usage_bug+0xc0/0xc0
[  284.625865]  ? print_usage_bug+0xc0/0xc0
[  284.629914]  ? ktime_get+0x2c1/0x400
[  284.633707]  ? check_preemption_disabled+0x48/0x280
[  284.638741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.643231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.648755]  ? should_fail+0x22d/0xd01
[  284.652649]  ? kasan_check_read+0x11/0x20
[  284.656790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.661882]  ? __lock_acquire+0x62f/0x4c20
[  284.666107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.671200]  ? should_fail+0x22d/0xd01
[  284.675090]  ? print_usage_bug+0xc0/0xc0
[  284.679147]  ? mark_held_locks+0x130/0x130
[  284.683375]  ? mark_held_locks+0x130/0x130
[  284.687593]  ? check_preemption_disabled+0x48/0x280
[  284.692603]  ? zap_class+0x640/0x640
[  284.696787]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.701537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.707063]  ? check_preemption_disabled+0x48/0x280
[  284.712068]  ? __lock_is_held+0xb5/0x140
[  284.716123]  __alloc_pages_nodemask+0xad8/0xea0
[  284.720777]  ? zap_class+0x640/0x640
[  284.724481]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  284.729491]  ? find_held_lock+0x36/0x1c0
[  284.733542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.738198]  ? lock_downgrade+0x900/0x900
[  284.742336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.747871]  cache_grow_begin+0xa5/0x8c0
[  284.752038]  ? do_raw_spin_unlock+0xa7/0x330
[  284.756437]  fallback_alloc+0x204/0x2e0
[  284.760416]  ____cache_alloc_node+0x1c7/0x1e0
[  284.764995]  kmem_cache_alloc_node+0xe3/0x730
[  284.769490]  ? __kmalloc_node_track_caller+0x50/0x70
[  284.774583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.780119]  __alloc_skb+0x119/0x770
[  284.783824]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.789185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.793586]  ? vprintk_default+0x28/0x30
[  284.797643]  ? vprintk_func+0x85/0x181
[  284.801518]  ? printk+0xa7/0xcf
[  284.804785]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  284.809532]  new_skb+0x26/0x1c0
[  284.812797]  aoecmd_cfg+0x279/0x7f0
[  284.816417]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  284.820731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.826261]  ? __lock_is_held+0xb5/0x140
[  284.830316]  discover_timer+0x50/0x60
[  284.834101]  call_timer_fn+0x272/0x920
[  284.837975]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  284.842805]  ? process_timeout+0x40/0x40
[  284.846866]  ? mark_held_locks+0xc7/0x130
[  284.851001]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.855479]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.859962]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  284.864789]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.869363]  ? trace_hardirqs_on+0xbd/0x310
[  284.873668]  ? kasan_check_read+0x11/0x20
[  284.877805]  ? __run_timers+0x7da/0xc70
[  284.881774]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.886872]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  284.891697]  __run_timers+0x7e5/0xc70
[  284.895488]  ? timer_fixup_init+0x70/0x70
[  284.899620]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.904619]  ? zap_class+0x640/0x640
[  284.908324]  ? print_usage_bug+0xc0/0xc0
[  284.912385]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.917570]  ? find_held_lock+0x36/0x1c0
[  284.921622]  ? zap_class+0x640/0x640
[  284.925335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.930864]  ? check_preemption_disabled+0x48/0x280
[  284.935875]  ? __lock_is_held+0xb5/0x140
[  284.939926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.945452]  ? check_preemption_disabled+0x48/0x280
[  284.950458]  run_timer_softirq+0x52/0xb0
[  284.954504]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.959509]  __do_softirq+0x308/0xb7e
[  284.963300]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.967785]  ? lock_downgrade+0x900/0x900
[  284.971927]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.977024]  ? pvclock_read_flags+0x160/0x160
[  284.981509]  ? lapic_next_event+0x5a/0x90
[  284.985660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.991187]  ? kvm_clock_read+0x18/0x30
[  284.995148]  ? kvm_sched_clock_read+0x9/0x20
[  284.999545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.005069]  ? check_preemption_disabled+0x48/0x280
[  285.010076]  irq_exit+0x17f/0x1c0
[  285.013519]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.018346]  ? smp_reschedule_interrupt+0x109/0x650
[  285.023346]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.029214]  ? interrupt_entry+0xb5/0xc0
[  285.033278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.038277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.043279]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.048108]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.053116]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.058129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.062962]  apic_timer_interrupt+0xf/0x20
[  285.067175]  </IRQ>
[  285.069397] RIP: 0010:dump_stack+0x358/0x39d
[  285.073790] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  285.092684] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  285.100375] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  285.107629] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  285.114883] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  285.122139] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  285.129403] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  285.136669]  ? dump_stack+0x34f/0x39d
[  285.140467]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.145647]  ? mark_held_locks+0x130/0x130
[  285.149864]  ? mark_held_locks+0x130/0x130
[  285.154090]  dump_header+0x27b/0xf72
[  285.157811]  ? pagefault_out_of_memory+0x197/0x197
[  285.162739]  ? __lock_acquire+0x62f/0x4c20
[  285.166971]  ? percpu_ref_get_many+0x240/0x240
[  285.171542]  ? print_usage_bug+0xc0/0xc0
[  285.175591]  ? zap_class+0x640/0x640
[  285.179297]  ? print_usage_bug+0xc0/0xc0
[  285.183348]  ? print_usage_bug+0xc0/0xc0
[  285.187395]  ? zap_class+0x640/0x640
[  285.191106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.196634]  ? find_held_lock+0x36/0x1c0
[  285.200691]  ? mark_held_locks+0xc7/0x130
[  285.204830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.209921]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.215012]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.219580]  ? trace_hardirqs_on+0xbd/0x310
[  285.223887]  ? kasan_check_read+0x11/0x20
[  285.228018]  ? ___ratelimit+0x3b4/0x672
[  285.231978]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.237065]  ? trace_hardirqs_on+0x310/0x310
[  285.241459]  ? lock_downgrade+0x900/0x900
[  285.245595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.250681]  ? ___ratelimit+0x3b9/0x672
[  285.254645]  ? idr_get_free+0xf70/0xf70
[  285.258603]  ? find_held_lock+0x36/0x1c0
[  285.262665]  oom_kill_process.cold.27+0x10/0x903
[  285.267409]  ? zap_class+0x640/0x640
[  285.271136]  ? check_preemption_disabled+0x48/0x280
[  285.276143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.281055]  ? kasan_check_read+0x11/0x20
[  285.285187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.290448]  ? oom_evaluate_task+0x540/0x540
[  285.294842]  ? find_held_lock+0x36/0x1c0
[  285.298891]  ? out_of_memory+0x974/0x1430
[  285.303027]  ? lock_downgrade+0x900/0x900
[  285.307169]  ? check_preemption_disabled+0x48/0x280
[  285.312173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.317086]  ? kasan_check_read+0x11/0x20
[  285.321219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.326479]  ? rcu_softirq_qs+0x20/0x20
[  285.330441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.335963]  ? oom_evaluate_task+0x302/0x540
[  285.340371]  out_of_memory+0xa84/0x1430
[  285.344339]  ? oom_killer_disable+0x3a0/0x3a0
[  285.348828]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  285.353752]  ? __ww_mutex_check_waiters+0x160/0x160
[  285.358765]  __alloc_pages_slowpath+0x232c/0x2de0
[  285.363618]  ? warn_alloc+0x120/0x120
[  285.367404]  ? mark_held_locks+0x130/0x130
[  285.371632]  ? find_get_entry+0xaae/0x1120
[  285.375865]  ? filemap_map_pages+0x1a20/0x1a20
[  285.380450]  ? zap_class+0x640/0x640
[  285.384155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.389680]  ? check_preemption_disabled+0x48/0x280
[  285.394684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.400208]  ? should_fail+0x22d/0xd01
[  285.404087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.409178]  ? zap_class+0x640/0x640
[  285.412898]  ? __lock_is_held+0xb5/0x140
[  285.416950]  ? mark_held_locks+0x130/0x130
[  285.421176]  ? lock_release+0xa00/0xa00
[  285.425139]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.430574]  ? xa_load+0x2ba/0x460
[  285.434099]  ? lock_downgrade+0x900/0x900
[  285.438241]  ? __might_sleep+0x95/0x190
[  285.442205]  __alloc_pages_nodemask+0xad8/0xea0
[  285.446868]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  285.451867]  ? __page_cache_alloc+0x191/0x5c0
[  285.456351]  ? xa_load+0x2e1/0x460
[  285.459876]  ? xa_clear_mark+0x40/0x40
[  285.463769]  ? zap_class+0x640/0x640
[  285.467490]  ? zap_class+0x640/0x640
[  285.471188]  ? zap_class+0x640/0x640
[  285.474890]  ? __do_page_cache_readahead+0x663/0x810
[  285.479986]  ? find_held_lock+0x36/0x1c0
[  285.484040]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.489571]  alloc_pages_current+0x173/0x350
[  285.493975]  __page_cache_alloc+0x38c/0x5c0
[  285.498284]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.503211]  ? kasan_check_read+0x11/0x20
[  285.507342]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.512608]  ? generic_perform_write+0x6a0/0x6a0
[  285.517347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.522869]  ? check_preemption_disabled+0x48/0x280
[  285.527875]  filemap_fault+0x1595/0x25f0
[  285.531930]  ? __lock_page_or_retry+0xa00/0xa00
[  285.536589]  ? mark_held_locks+0x130/0x130
[  285.540820]  ? filemap_map_pages+0xd6b/0x1a20
[  285.545306]  ? lock_downgrade+0x900/0x900
[  285.549442]  ? check_preemption_disabled+0x48/0x280
[  285.554445]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.559372]  ? kasan_check_read+0x11/0x20
[  285.563511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.568784]  ? rcu_softirq_qs+0x20/0x20
[  285.572755]  ? filemap_map_pages+0xd92/0x1a20
[  285.577250]  ? find_get_entries_tag+0x1400/0x1400
[  285.582080]  ? __kernel_text_address+0xd/0x40
[  285.586558]  ? unwind_get_return_address+0x61/0xa0
[  285.591480]  ? lock_acquire+0x1ed/0x520
[  285.595441]  ? ext4_filemap_fault+0x7a/0xad
[  285.599754]  ? lock_release+0xa00/0xa00
[  285.603725]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.609159]  ? print_usage_bug+0xc0/0xc0
[  285.613205]  ? print_usage_bug+0xc0/0xc0
[  285.617277]  ? __x64_sys_read+0x73/0xb0
[  285.621247]  ? print_usage_bug+0xc0/0xc0
[  285.625308]  ? down_read+0x8d/0x120
[  285.628918]  ? ext4_filemap_fault+0x7a/0xad
[  285.633229]  ? __down_interruptible+0x700/0x700
[  285.637891]  ext4_filemap_fault+0x82/0xad
[  285.642028]  __do_fault+0x100/0x6b0
[  285.645641]  ? trace_hardirqs_on+0xbd/0x310
[  285.649966]  ? pmd_devmap_trans_unstable+0x220/0x220
[  285.655061]  ? mark_held_locks+0x130/0x130
[  285.659290]  ? mark_held_locks+0x130/0x130
[  285.663509]  ? do_syslog+0x147b/0x1690
[  285.667384]  ? do_syslog+0x309/0x1690
[  285.671170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.676713]  __handle_mm_fault+0x3ea0/0x5be0
[  285.681147]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  285.685976]  ? find_held_lock+0x36/0x1c0
[  285.690046]  ? zap_class+0x640/0x640
[  285.693744]  ? zap_class+0x640/0x640
[  285.697454]  ? find_held_lock+0x36/0x1c0
[  285.701509]  ? handle_mm_fault+0x42a/0xc70
[  285.705733]  ? lock_downgrade+0x900/0x900
[  285.709870]  ? check_preemption_disabled+0x48/0x280
[  285.714872]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.719787]  ? kasan_check_read+0x11/0x20
[  285.723921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.729185]  ? rcu_softirq_qs+0x20/0x20
[  285.733151]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.738246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.743778]  ? check_preemption_disabled+0x48/0x280
[  285.748790]  handle_mm_fault+0x54f/0xc70
[  285.752854]  ? __handle_mm_fault+0x5be0/0x5be0
[  285.757423]  ? find_vma+0x34/0x190
[  285.760949]  __do_page_fault+0x5e8/0xe60
[  285.764997]  ? trace_hardirqs_off+0xb8/0x310
[  285.769392]  ? kernel_write+0x120/0x120
[  285.773375]  do_page_fault+0xf2/0x7e0
[  285.777194]  ? vmalloc_sync_all+0x30/0x30
[  285.781338]  ? error_entry+0x70/0xd0
[  285.785053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.790181]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.795098]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.800015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.804845]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.809936]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.815371]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  285.820373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  285.825372]  ? page_fault+0x8/0x30
[  285.828897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.833730]  ? page_fault+0x8/0x30
[  285.837266]  page_fault+0x1e/0x30
[  285.840702] RIP: 0033:0x7f71188e71fd
[  285.844411] Code: Bad RIP value.
[  285.847764] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  285.853112] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  285.860368] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  285.867624] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  285.874878] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  285.882131] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  285.889401] warn_alloc_show_mem: 1 callbacks suppressed
[  285.889410] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  285.889412] Mem-Info:
[  285.889440] active_anon:46284 inactive_anon:276 isolated_anon:0
[  285.889440]  active_file:13 inactive_file:11 isolated_file:0
[  285.889440]  unevictable:0 dirty:0 writeback:0 unstable:0
[  285.889440]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  285.889440]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  285.889440]  free:13741 free_pcp:339 free_cma:0
[  285.894777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.902038] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.904421] Call Trace:
[  285.937395] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  285.946727]  <IRQ>
[  285.974367] lowmem_reserve[]: 0 2818 6321 6321
[  285.976941]  dump_stack+0x244/0x39d
[  286.003009] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  286.005144]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.009698] lowmem_reserve[]: 0 0 3503 3503
[  286.013314]  warn_alloc.cold.116+0xb7/0x1bd
[  286.040855] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  286.046023]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.050306] lowmem_reserve[]: 0 0 0 0
[  286.054612]  ? lock_downgrade+0x900/0x900
[  286.083634] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  286.088470]  ? trace_hardirqs_off+0xb8/0x310
[  286.092235] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  286.096370]  ? trace_hardirqs_off+0xb8/0x310
[  286.109937] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  286.114333]  __alloc_pages_slowpath+0x2651/0x2de0
[  286.129471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.133873]  ? warn_alloc+0x120/0x120
[  286.148741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.153557]  ? print_usage_bug+0xc0/0xc0
[  286.162359] 358 total pagecache pages
[  286.166135]  ? warn_alloc+0x120/0x120
[  286.174680] 0 pages in swap cache
[  286.178728]  ? warn_alloc+0x120/0x120
[  286.182490] Swap cache stats: add 0, delete 0, find 0/0
[  286.186278]  ? print_usage_bug+0xc0/0xc0
[  286.189696] Free swap  = 0kB
[  286.193481]  ? print_usage_bug+0xc0/0xc0
[  286.198808] Total swap = 0kB
[  286.198815] 1965979 pages RAM
[  286.202853]  ? __lock_acquire+0x62f/0x4c20
[  286.205830] 0 pages HighMem/MovableOnly
[  286.205836] 342854 pages reserved
[  286.209876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.212869] 0 pages cma reserved
[  286.215956]  ? should_fail+0x22d/0xd01
[  286.220207] aoe: skb alloc failure
[  286.224127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.227575] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.233067]  ? __lock_acquire+0x62f/0x4c20
[  286.236400] rsyslogd cpuset=/ mems_allowed=0
[  286.240272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.272541]  ? __lock_acquire+0x62f/0x4c20
[  286.276763]  ? should_fail+0x22d/0xd01
[  286.280648]  ? find_held_lock+0x36/0x1c0
[  286.284702]  ? mark_held_locks+0x130/0x130
[  286.288944]  ? mark_held_locks+0x130/0x130
[  286.293165]  ? zap_class+0x640/0x640
[  286.296866]  ? zap_class+0x640/0x640
[  286.300568]  ? print_usage_bug+0xc0/0xc0
[  286.304701]  ? do_raw_spin_unlock+0xa7/0x330
[  286.309107]  ? zap_class+0x640/0x640
[  286.312808]  ? print_usage_bug+0xc0/0xc0
[  286.316857]  ? wq_watchdog_touch+0x9c/0xfe
[  286.321082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.326605]  ? check_preemption_disabled+0x48/0x280
[  286.331642]  ? __lock_is_held+0xb5/0x140
[  286.335692]  __alloc_pages_nodemask+0xad8/0xea0
[  286.340351]  ? zap_class+0x640/0x640
[  286.344053]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  286.349064]  ? find_held_lock+0x36/0x1c0
[  286.353117]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.357779]  ? lock_downgrade+0x900/0x900
[  286.361919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.367450]  cache_grow_begin+0xa5/0x8c0
[  286.371511]  ? do_raw_spin_unlock+0xa7/0x330
[  286.375911]  fallback_alloc+0x204/0x2e0
[  286.379878]  ____cache_alloc_node+0x1c7/0x1e0
[  286.384369]  kmem_cache_alloc_node+0xe3/0x730
[  286.388851]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.393077]  __alloc_skb+0x119/0x770
[  286.396780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.402060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.406451]  ? lock_downgrade+0x900/0x900
[  286.410587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.416111]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.421548]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.427000]  ? addrconf_rs_timer+0x690/0x690
[  286.431408]  ndisc_alloc_skb+0x144/0x340
[  286.435457]  ndisc_send_rs+0x331/0x6e0
[  286.439331]  addrconf_rs_timer+0x314/0x690
[  286.443555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.447780]  call_timer_fn+0x272/0x920
[  286.451651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.455868]  ? process_timeout+0x40/0x40
[  286.459919]  ? __run_timers+0x7da/0xc70
[  286.463881]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.468359]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.472838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.477058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.481628]  ? trace_hardirqs_on+0xbd/0x310
[  286.485940]  ? kasan_check_read+0x11/0x20
[  286.490090]  ? __run_timers+0x7da/0xc70
[  286.494059]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.499155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.503396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.507617]  __run_timers+0x7e5/0xc70
[  286.511407]  ? timer_fixup_init+0x70/0x70
[  286.515541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.520542]  ? zap_class+0x640/0x640
[  286.524244]  ? enqueue_hrtimer+0x1a5/0x560
[  286.528923]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.534110]  ? find_held_lock+0x36/0x1c0
[  286.538165]  ? zap_class+0x640/0x640
[  286.541870]  ? pvclock_read_flags+0x160/0x160
[  286.546352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.551872]  ? check_preemption_disabled+0x48/0x280
[  286.556893]  ? __lock_is_held+0xb5/0x140
[  286.560940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.566466]  ? check_preemption_disabled+0x48/0x280
[  286.571471]  run_timer_softirq+0x52/0xb0
[  286.575517]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.580519]  __do_softirq+0x308/0xb7e
[  286.584310]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.588793]  ? lock_downgrade+0x900/0x900
[  286.592933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.598027]  ? pvclock_read_flags+0x160/0x160
[  286.602507]  ? lapic_next_event+0x5a/0x90
[  286.606640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.612179]  ? kvm_clock_read+0x18/0x30
[  286.616136]  ? kvm_sched_clock_read+0x9/0x20
[  286.620528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.626062]  ? check_preemption_disabled+0x48/0x280
[  286.631070]  irq_exit+0x17f/0x1c0
[  286.634515]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.639352]  ? smp_reschedule_interrupt+0x109/0x650
[  286.644356]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.650225]  ? interrupt_entry+0xb5/0xc0
[  286.654273]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.659277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.664278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.669108]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.674113]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.679133]  ? task_prio+0x50/0x50
[  286.682661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.688191]  ? check_preemption_disabled+0x48/0x280
[  286.693196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.698265]  apic_timer_interrupt+0xf/0x20
[  286.702480]  </IRQ>
[  286.704709] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.709628] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  286.728513] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  286.736205] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  286.743458] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  286.750710] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  286.757964] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  286.765236] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  286.772528]  skb_clone+0x1bb/0x500
[  286.776058]  ? finish_task_switch+0x615/0x910
[  286.780538]  ? skb_split+0x11e0/0x11e0
[  286.784417]  ? preempt_notifier_register+0x200/0x200
[  286.789508]  ? __switch_to_asm+0x34/0x70
[  286.793573]  ? __switch_to_asm+0x34/0x70
[  286.797618]  ? __switch_to_asm+0x40/0x70
[  286.801676]  ? __switch_to_asm+0x34/0x70
[  286.805724]  ? __switch_to_asm+0x40/0x70
[  286.809766]  ? __switch_to_asm+0x34/0x70
[  286.813811]  ? __switch_to_asm+0x40/0x70
[  286.817855]  ? __switch_to_asm+0x34/0x70
[  286.821900]  ? __switch_to_asm+0x34/0x70
[  286.825953]  ? __switch_to_asm+0x40/0x70
[  286.830010]  ? __switch_to_asm+0x34/0x70
[  286.834078]  bpf_clone_redirect+0xb9/0x490
[  286.838300]  ? __schedule+0x8d7/0x21d0
[  286.842176]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  286.847176]  ? __sched_text_start+0x8/0x8
[  286.851311]  ? retint_kernel+0x2d/0x2d
[  286.855194]  ? find_held_lock+0x36/0x1c0
[  286.859248]  ? lock_acquire+0x1ed/0x520
[  286.863206]  ? bpf_test_run+0x3ee/0x7a0
[  286.867165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.872690]  ? check_preemption_disabled+0x48/0x280
[  286.877700]  ? kasan_check_read+0x11/0x20
[  286.881835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.887100]  ? rcu_softirq_qs+0x20/0x20
[  286.891062]  ? preempt_schedule+0x4d/0x60
[  286.895203]  ? ___preempt_schedule+0x16/0x18
[  286.899602]  ? bpf_test_run+0x271/0x7a0
[  286.903565]  ? eth_type_trans+0x2ea/0x760
[  286.907698]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.912091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.917610]  ? bpf_test_init.isra.10+0x70/0x100
[  286.922283]  ? bpf_prog_test_run_skb+0x762/0xd60
[  286.927033]  ? apparmor_cred_transfer+0x590/0x590
[  286.931861]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.936693]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.942215]  ? fput+0x130/0x1a0
[  286.945488]  ? __bpf_prog_get+0x9b/0x290
[  286.949626]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.954457]  ? bpf_prog_test_run+0x130/0x1a0
[  286.958850]  ? __x64_sys_bpf+0x3d8/0x520
[  286.962897]  ? bpf_prog_get+0x20/0x20
[  286.966697]  ? do_syscall_64+0x1b9/0x820
[  286.970746]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.976108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.981053]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.986066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.991066]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  286.997717]  ? __switch_to_asm+0x40/0x70
[  287.001761]  ? __switch_to_asm+0x34/0x70
[  287.005814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.010655]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.016020] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  287.016083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.022845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.022849] Call Trace:
[  287.022853]  <IRQ>
[  287.022867]  dump_stack+0x244/0x39d
[  287.022882]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.029400] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.038681]  warn_alloc.cold.116+0xb7/0x1bd
[  287.041228] syz-executor4 cpuset=syz4 mems_allowed=0
[  287.043360]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.076771]  ? lock_downgrade+0x900/0x900
[  287.080908]  ? trace_hardirqs_off+0xb8/0x310
[  287.085318]  ? trace_hardirqs_off+0xb8/0x310
[  287.089735]  __alloc_pages_slowpath+0x2651/0x2de0
[  287.094582]  ? warn_alloc+0x120/0x120
[  287.098370]  ? warn_alloc+0x120/0x120
[  287.102165]  ? __lock_acquire+0x62f/0x4c20
[  287.106403]  ? warn_alloc+0x120/0x120
[  287.110195]  ? print_usage_bug+0xc0/0xc0
[  287.114247]  ? print_usage_bug+0xc0/0xc0
[  287.118387]  ? mark_held_locks+0x130/0x130
[  287.122726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.128257]  ? should_fail+0x22d/0xd01
[  287.132139]  ? zap_class+0x640/0x640
[  287.135849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.140945]  ? __lock_acquire+0x62f/0x4c20
[  287.145171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.150262]  ? should_fail+0x22d/0xd01
[  287.154148]  ? mark_held_locks+0x130/0x130
[  287.158370]  ? mark_held_locks+0x130/0x130
[  287.162591]  ? lock_downgrade+0x900/0x900
[  287.166730]  ? zap_class+0x640/0x640
[  287.170428]  ? zap_class+0x640/0x640
[  287.174146]  ? zap_class+0x640/0x640
[  287.177847]  ? do_raw_spin_unlock+0xa7/0x330
[  287.182270]  ? trace_hardirqs_on+0x310/0x310
[  287.186664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.192187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.197708]  ? check_preemption_disabled+0x48/0x280
[  287.202718]  ? __lock_is_held+0xb5/0x140
[  287.206768]  __alloc_pages_nodemask+0xad8/0xea0
[  287.211432]  ? zap_class+0x640/0x640
[  287.215141]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  287.220161]  ? find_held_lock+0x36/0x1c0
[  287.224212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.228868]  ? lock_downgrade+0x900/0x900
[  287.233011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.238538]  cache_grow_begin+0xa5/0x8c0
[  287.242582]  ? do_raw_spin_unlock+0xa7/0x330
[  287.246981]  fallback_alloc+0x204/0x2e0
[  287.250950]  ____cache_alloc_node+0x1c7/0x1e0
[  287.255438]  kmem_cache_alloc_node+0xe3/0x730
[  287.259935]  ? __kmalloc_node_track_caller+0x50/0x70
[  287.265034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.270653]  __alloc_skb+0x119/0x770
[  287.274357]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.279710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.284119]  ? vprintk_default+0x28/0x30
[  287.288168]  ? vprintk_func+0x85/0x181
[  287.292041]  ? printk+0xa7/0xcf
[  287.295307]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  287.300057]  new_skb+0x26/0x1c0
[  287.303322]  aoecmd_cfg+0x279/0x7f0
[  287.306943]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  287.311252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.316783]  ? __lock_is_held+0xb5/0x140
[  287.320839]  discover_timer+0x50/0x60
[  287.324640]  call_timer_fn+0x272/0x920
[  287.328513]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  287.333337]  ? process_timeout+0x40/0x40
[  287.337389]  ? mark_held_locks+0xc7/0x130
[  287.341521]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.345998]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.350479]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  287.355306]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.359881]  ? trace_hardirqs_on+0xbd/0x310
[  287.364192]  ? kasan_check_read+0x11/0x20
[  287.368324]  ? __run_timers+0x7da/0xc70
[  287.372302]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.377413]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  287.382241]  __run_timers+0x7e5/0xc70
[  287.386033]  ? timer_fixup_init+0x70/0x70
[  287.390164]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.395166]  ? zap_class+0x640/0x640
[  287.398868]  ? print_usage_bug+0xc0/0xc0
[  287.402918]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.408098]  ? find_held_lock+0x36/0x1c0
[  287.412151]  ? zap_class+0x640/0x640
[  287.415854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.421376]  ? check_preemption_disabled+0x48/0x280
[  287.426382]  ? __lock_is_held+0xb5/0x140
[  287.430427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.435951]  ? check_preemption_disabled+0x48/0x280
[  287.440958]  run_timer_softirq+0x52/0xb0
[  287.445006]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.450010]  __do_softirq+0x308/0xb7e
[  287.453802]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.458280]  ? lock_downgrade+0x900/0x900
[  287.462419]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.467510]  ? pvclock_read_flags+0x160/0x160
[  287.472014]  ? lapic_next_event+0x5a/0x90
[  287.476169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.481704]  ? kvm_clock_read+0x18/0x30
[  287.485667]  ? kvm_sched_clock_read+0x9/0x20
[  287.490066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.495589]  ? check_preemption_disabled+0x48/0x280
[  287.500611]  irq_exit+0x17f/0x1c0
[  287.504051]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.508879]  ? smp_reschedule_interrupt+0x109/0x650
[  287.513880]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.519753]  ? interrupt_entry+0xb5/0xc0
[  287.523799]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.528805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.533804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.538631]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.543630]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.548643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.553478]  apic_timer_interrupt+0xf/0x20
[  287.557695]  </IRQ>
[  287.559925] RIP: 0010:dump_stack+0x358/0x39d
[  287.564319] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  287.583204] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  287.590896] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  287.598148] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  287.605403] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  287.612659] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  287.619914] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  287.627179]  ? dump_stack+0x34f/0x39d
[  287.630981]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.636162]  ? mark_held_locks+0x130/0x130
[  287.640395]  ? mark_held_locks+0x130/0x130
[  287.644623]  dump_header+0x27b/0xf72
[  287.648336]  ? pagefault_out_of_memory+0x197/0x197
[  287.653265]  ? __lock_acquire+0x62f/0x4c20
[  287.657487]  ? percpu_ref_get_many+0x240/0x240
[  287.662229]  ? print_usage_bug+0xc0/0xc0
[  287.666287]  ? zap_class+0x640/0x640
[  287.669992]  ? print_usage_bug+0xc0/0xc0
[  287.674044]  ? print_usage_bug+0xc0/0xc0
[  287.678101]  ? zap_class+0x640/0x640
[  287.681823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.687357]  ? find_held_lock+0x36/0x1c0
[  287.691414]  ? mark_held_locks+0xc7/0x130
[  287.695549]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.700640]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.705731]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  287.710299]  ? trace_hardirqs_on+0xbd/0x310
[  287.714614]  ? kasan_check_read+0x11/0x20
[  287.718745]  ? ___ratelimit+0x3b4/0x672
[  287.722707]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.727794]  ? trace_hardirqs_on+0x310/0x310
[  287.732185]  ? lock_downgrade+0x900/0x900
[  287.736325]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.741413]  ? ___ratelimit+0x3b9/0x672
[  287.745384]  ? idr_get_free+0xf70/0xf70
[  287.749343]  ? find_held_lock+0x36/0x1c0
[  287.753396]  oom_kill_process.cold.27+0x10/0x903
[  287.758134]  ? zap_class+0x640/0x640
[  287.761836]  ? check_preemption_disabled+0x48/0x280
[  287.766838]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.771752]  ? kasan_check_read+0x11/0x20
[  287.775884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.781147]  ? oom_evaluate_task+0x540/0x540
[  287.785550]  ? find_held_lock+0x36/0x1c0
[  287.789612]  ? out_of_memory+0x974/0x1430
[  287.793748]  ? lock_downgrade+0x900/0x900
[  287.797881]  ? check_preemption_disabled+0x48/0x280
[  287.802900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.807817]  ? kasan_check_read+0x11/0x20
[  287.811949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.817214]  ? rcu_softirq_qs+0x20/0x20
[  287.821188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.826710]  ? oom_evaluate_task+0x302/0x540
[  287.831109]  out_of_memory+0xa84/0x1430
[  287.835105]  ? oom_killer_disable+0x3a0/0x3a0
[  287.839591]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  287.844507]  ? __ww_mutex_check_waiters+0x160/0x160
[  287.849520]  __alloc_pages_slowpath+0x232c/0x2de0
[  287.854366]  ? warn_alloc+0x120/0x120
[  287.858151]  ? mark_held_locks+0x130/0x130
[  287.862379]  ? find_get_entry+0xaae/0x1120
[  287.866620]  ? filemap_map_pages+0x1a20/0x1a20
[  287.871196]  ? zap_class+0x640/0x640
[  287.874901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.880429]  ? check_preemption_disabled+0x48/0x280
[  287.885452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.890986]  ? should_fail+0x22d/0xd01
[  287.894864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.899959]  ? zap_class+0x640/0x640
[  287.903692]  ? __lock_is_held+0xb5/0x140
[  287.907743]  ? mark_held_locks+0x130/0x130
[  287.911968]  ? lock_release+0xa00/0xa00
[  287.915930]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.921369]  ? xa_load+0x2ba/0x460
[  287.924899]  ? lock_downgrade+0x900/0x900
[  287.929036]  ? __might_sleep+0x95/0x190
[  287.932996]  __alloc_pages_nodemask+0xad8/0xea0
[  287.937654]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  287.942656]  ? __page_cache_alloc+0x191/0x5c0
[  287.947143]  ? xa_load+0x2e1/0x460
[  287.950673]  ? xa_clear_mark+0x40/0x40
[  287.954551]  ? zap_class+0x640/0x640
[  287.958307]  ? zap_class+0x640/0x640
[  287.962008]  ? zap_class+0x640/0x640
[  287.965708]  ? __do_page_cache_readahead+0x663/0x810
[  287.970797]  ? find_held_lock+0x36/0x1c0
[  287.974848]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  287.980381]  alloc_pages_current+0x173/0x350
[  287.984779]  __page_cache_alloc+0x38c/0x5c0
[  287.989085]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.993997]  ? kasan_check_read+0x11/0x20
[  287.998127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.003389]  ? generic_perform_write+0x6a0/0x6a0
[  288.008136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.013660]  ? check_preemption_disabled+0x48/0x280
[  288.018666]  filemap_fault+0x1595/0x25f0
[  288.022721]  ? __lock_page_or_retry+0xa00/0xa00
[  288.027380]  ? mark_held_locks+0x130/0x130
[  288.031611]  ? filemap_map_pages+0xd6b/0x1a20
[  288.036094]  ? lock_downgrade+0x900/0x900
[  288.040241]  ? check_preemption_disabled+0x48/0x280
[  288.045242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.050154]  ? kasan_check_read+0x11/0x20
[  288.054287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.059550]  ? rcu_softirq_qs+0x20/0x20
[  288.063526]  ? filemap_map_pages+0xd92/0x1a20
[  288.068015]  ? find_get_entries_tag+0x1400/0x1400
[  288.072848]  ? __kernel_text_address+0xd/0x40
[  288.077331]  ? unwind_get_return_address+0x61/0xa0
[  288.082255]  ? lock_acquire+0x1ed/0x520
[  288.086217]  ? ext4_filemap_fault+0x7a/0xad
[  288.090530]  ? lock_release+0xa00/0xa00
[  288.094495]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.099927]  ? print_usage_bug+0xc0/0xc0
[  288.103972]  ? print_usage_bug+0xc0/0xc0
[  288.108019]  ? __x64_sys_read+0x73/0xb0
[  288.111989]  ? print_usage_bug+0xc0/0xc0
[  288.116075]  ? down_read+0x8d/0x120
[  288.119712]  ? ext4_filemap_fault+0x7a/0xad
[  288.124022]  ? __down_interruptible+0x700/0x700
[  288.128682]  ext4_filemap_fault+0x82/0xad
[  288.132818]  __do_fault+0x100/0x6b0
[  288.136433]  ? trace_hardirqs_on+0xbd/0x310
[  288.140740]  ? pmd_devmap_trans_unstable+0x220/0x220
[  288.145833]  ? mark_held_locks+0x130/0x130
[  288.150063]  ? mark_held_locks+0x130/0x130
[  288.154298]  ? do_syslog+0x147b/0x1690
[  288.158186]  ? do_syslog+0x309/0x1690
[  288.161973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.167509]  __handle_mm_fault+0x3ea0/0x5be0
[  288.171910]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  288.176737]  ? find_held_lock+0x36/0x1c0
[  288.180800]  ? zap_class+0x640/0x640
[  288.184513]  ? zap_class+0x640/0x640
[  288.188221]  ? find_held_lock+0x36/0x1c0
[  288.192276]  ? handle_mm_fault+0x42a/0xc70
[  288.196500]  ? lock_downgrade+0x900/0x900
[  288.200637]  ? check_preemption_disabled+0x48/0x280
[  288.205640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.210556]  ? kasan_check_read+0x11/0x20
[  288.214687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.219946]  ? rcu_softirq_qs+0x20/0x20
[  288.223904]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.228990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.234511]  ? check_preemption_disabled+0x48/0x280
[  288.239515]  handle_mm_fault+0x54f/0xc70
[  288.243590]  ? __handle_mm_fault+0x5be0/0x5be0
[  288.248164]  ? find_vma+0x34/0x190
[  288.251694]  __do_page_fault+0x5e8/0xe60
[  288.255744]  ? trace_hardirqs_off+0xb8/0x310
[  288.260138]  ? kernel_write+0x120/0x120
[  288.264104]  do_page_fault+0xf2/0x7e0
[  288.267889]  ? vmalloc_sync_all+0x30/0x30
[  288.272022]  ? error_entry+0x70/0xd0
[  288.275722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.280723]  ? trace_hardirqs_on_caller+0xc0/0x310
[  288.285641]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.290572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.295402]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.300414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.305852]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.310857]  ? prepare_exit_to_usermode+0x291/0x3b0
[  288.315856]  ? page_fault+0x8/0x30
[  288.319396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.324229]  ? page_fault+0x8/0x30
[  288.327754]  page_fault+0x1e/0x30
[  288.331193] RIP: 0033:0x7f71188e71fd
[  288.334918] Code: Bad RIP value.
[  288.338267] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  288.343630] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  288.350884] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  288.358138] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  288.365393] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  288.372649] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  288.379930] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  288.379934] warn_alloc_show_mem: 1 callbacks suppressed
[  288.379939] Mem-Info:
[  288.387192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.392549] active_anon:46284 inactive_anon:276 isolated_anon:0
[  288.392549]  active_file:13 inactive_file:11 isolated_file:0
[  288.392549]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.392549]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  288.392549]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  288.392549]  free:13741 free_pcp:339 free_cma:0
[  288.394919] Call Trace:
[  288.404291] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.437127]  <IRQ>
[  288.439684] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  288.467333]  dump_stack+0x244/0x39d
[  288.469443] lowmem_reserve[]: 0 2818 6321 6321
[  288.495548]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.499140] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  288.503706]  warn_alloc.cold.116+0xb7/0x1bd
[  288.508855] lowmem_reserve[]: 0 0 3503 3503
[  288.536913]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.541201] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  288.545505]  ? lock_downgrade+0x900/0x900
[  288.550314] lowmem_reserve[]: 0 0 0 0
[  288.579361]  ? trace_hardirqs_off+0xb8/0x310
[  288.583474] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  288.587262]  ? trace_hardirqs_off+0xb8/0x310
[  288.591632] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  288.605141]  __alloc_pages_slowpath+0x2651/0x2de0
[  288.609522] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  288.624692]  ? warn_alloc+0x120/0x120
[  288.629487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.644371]  ? print_usage_bug+0xc0/0xc0
[  288.648143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.656956]  ? warn_alloc+0x120/0x120
[  288.660990] 358 total pagecache pages
[  288.669545]  ? warn_alloc+0x120/0x120
[  288.673320] 0 pages in swap cache
[  288.677095]  ? print_usage_bug+0xc0/0xc0
[  288.680877] Swap cache stats: add 0, delete 0, find 0/0
[  288.684305]  ? kvm_clock_read+0x18/0x30
[  288.688332] Free swap  = 0kB
[  288.693673]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  288.698130] Total swap = 0kB
[  288.698136] 1965979 pages RAM
[  288.701136]  ? print_usage_bug+0xc0/0xc0
[  288.706110] 0 pages HighMem/MovableOnly
[  288.706115] 342854 pages reserved
[  288.709117]  ? __lock_acquire+0x62f/0x4c20
[  288.712183] 0 pages cma reserved
[  288.712236] aoe: skb alloc failure
[  288.716227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.720216] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.723601]  ? should_fail+0x22d/0xd01
[  288.727800] rsyslogd cpuset=/ mems_allowed=0
[  288.731137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.731152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.768762]  ? __lock_acquire+0x62f/0x4c20
[  288.772986]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.778071]  ? __lock_acquire+0x62f/0x4c20
[  288.782291]  ? should_fail+0x22d/0xd01
[  288.786161]  ? rcu_irq_exit+0x1a2/0x390
[  288.790150]  ? mark_held_locks+0x130/0x130
[  288.794374]  ? mark_held_locks+0x130/0x130
[  288.798602]  ? mark_held_locks+0xc7/0x130
[  288.802826]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  288.807824]  ? zap_class+0x640/0x640
[  288.811530]  ? print_usage_bug+0xc0/0xc0
[  288.815587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.821114]  ? check_preemption_disabled+0x48/0x280
[  288.826124]  ? __lock_is_held+0xb5/0x140
[  288.830172]  __alloc_pages_nodemask+0xad8/0xea0
[  288.834826]  ? zap_class+0x640/0x640
[  288.838532]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  288.843539]  ? find_held_lock+0x36/0x1c0
[  288.847595]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.852254]  ? lock_downgrade+0x900/0x900
[  288.856392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.861921]  cache_grow_begin+0xa5/0x8c0
[  288.865964]  ? do_raw_spin_unlock+0xa7/0x330
[  288.870365]  fallback_alloc+0x204/0x2e0
[  288.874326]  ____cache_alloc_node+0x1c7/0x1e0
[  288.878810]  kmem_cache_alloc_node+0xe3/0x730
[  288.883297]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.887523]  __alloc_skb+0x119/0x770
[  288.891219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.896488]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.900886]  ? lock_downgrade+0x900/0x900
[  288.905030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.910557]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.915997]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.921446]  ? addrconf_rs_timer+0x690/0x690
[  288.925848]  ndisc_alloc_skb+0x144/0x340
[  288.929901]  ndisc_send_rs+0x331/0x6e0
[  288.933776]  addrconf_rs_timer+0x314/0x690
[  288.938000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.942230]  call_timer_fn+0x272/0x920
[  288.946106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.950327]  ? process_timeout+0x40/0x40
[  288.954381]  ? __run_timers+0x7da/0xc70
[  288.958348]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.962833]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.967314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.971534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.976101]  ? trace_hardirqs_on+0xbd/0x310
[  288.980412]  ? kasan_check_read+0x11/0x20
[  288.984547]  ? __run_timers+0x7da/0xc70
[  288.988519]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.993619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.997865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.002084]  __run_timers+0x7e5/0xc70
[  289.005883]  ? timer_fixup_init+0x70/0x70
[  289.010020]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.015023]  ? zap_class+0x640/0x640
[  289.018721]  ? enqueue_hrtimer+0x1a5/0x560
[  289.022942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.028122]  ? find_held_lock+0x36/0x1c0
[  289.032185]  ? zap_class+0x640/0x640
[  289.035891]  ? pvclock_read_flags+0x160/0x160
[  289.040374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.045903]  ? check_preemption_disabled+0x48/0x280
[  289.050911]  ? __lock_is_held+0xb5/0x140
[  289.054961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.060497]  ? check_preemption_disabled+0x48/0x280
[  289.065507]  run_timer_softirq+0x52/0xb0
[  289.069557]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.074562]  __do_softirq+0x308/0xb7e
[  289.078353]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.082834]  ? lock_downgrade+0x900/0x900
[  289.086973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.092071]  ? pvclock_read_flags+0x160/0x160
[  289.096553]  ? lapic_next_event+0x5a/0x90
[  289.100688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.106218]  ? kvm_clock_read+0x18/0x30
[  289.110177]  ? kvm_sched_clock_read+0x9/0x20
[  289.114573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.120114]  ? check_preemption_disabled+0x48/0x280
[  289.125125]  irq_exit+0x17f/0x1c0
[  289.128568]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.133398]  ? smp_reschedule_interrupt+0x109/0x650
[  289.138402]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.144268]  ? interrupt_entry+0xb5/0xc0
[  289.148319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.153320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.158320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.163155]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.168152]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.173153]  ? task_prio+0x50/0x50
[  289.176682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.182208]  ? check_preemption_disabled+0x48/0x280
[  289.187216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.192046]  apic_timer_interrupt+0xf/0x20
[  289.196259]  </IRQ>
[  289.198489] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.203402] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  289.222287] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  289.229996] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.237249] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  289.244501] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  289.251758] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.259012] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  289.266296]  skb_clone+0x1bb/0x500
[  289.269819]  ? finish_task_switch+0x615/0x910
[  289.274303]  ? skb_split+0x11e0/0x11e0
[  289.278178]  ? preempt_notifier_register+0x200/0x200
[  289.283261]  ? __switch_to_asm+0x34/0x70
[  289.287305]  ? __switch_to_asm+0x34/0x70
[  289.291350]  ? __switch_to_asm+0x40/0x70
[  289.295395]  ? __switch_to_asm+0x34/0x70
[  289.299440]  ? __switch_to_asm+0x40/0x70
[  289.303493]  ? __switch_to_asm+0x34/0x70
[  289.307541]  ? __switch_to_asm+0x40/0x70
[  289.311583]  ? __switch_to_asm+0x34/0x70
[  289.315627]  ? __switch_to_asm+0x34/0x70
[  289.319671]  ? __switch_to_asm+0x40/0x70
[  289.323718]  ? __switch_to_asm+0x34/0x70
[  289.327768]  bpf_clone_redirect+0xb9/0x490
[  289.331986]  ? __schedule+0x8d7/0x21d0
[  289.335861]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  289.340865]  ? __sched_text_start+0x8/0x8
[  289.344995]  ? retint_kernel+0x2d/0x2d
[  289.348877]  ? find_held_lock+0x36/0x1c0
[  289.352930]  ? lock_acquire+0x1ed/0x520
[  289.356892]  ? bpf_test_run+0x3ee/0x7a0
[  289.360876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.366400]  ? check_preemption_disabled+0x48/0x280
[  289.371404]  ? kasan_check_read+0x11/0x20
[  289.375540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.380802]  ? rcu_softirq_qs+0x20/0x20
[  289.384765]  ? preempt_schedule+0x4d/0x60
[  289.388900]  ? ___preempt_schedule+0x16/0x18
[  289.393297]  ? bpf_test_run+0x271/0x7a0
[  289.397267]  ? eth_type_trans+0x2ea/0x760
[  289.401402]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.405799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.411328]  ? bpf_test_init.isra.10+0x70/0x100
[  289.415986]  ? bpf_prog_test_run_skb+0x762/0xd60
[  289.420731]  ? apparmor_cred_transfer+0x590/0x590
[  289.425568]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.430402]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.435926]  ? fput+0x130/0x1a0
[  289.439195]  ? __bpf_prog_get+0x9b/0x290
[  289.443248]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.448080]  ? bpf_prog_test_run+0x130/0x1a0
[  289.452479]  ? __x64_sys_bpf+0x3d8/0x520
[  289.456528]  ? bpf_prog_get+0x20/0x20
[  289.460337]  ? do_syscall_64+0x1b9/0x820
[  289.464386]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.469735]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.474650]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.479650]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.484652]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  289.491303]  ? __switch_to_asm+0x40/0x70
[  289.495348]  ? __switch_to_asm+0x34/0x70
[  289.499397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.504230]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.509593] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  289.509646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.516413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.516419] Call Trace:
[  289.522952] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.532219]  <IRQ>
[  289.534777] syz-executor4 cpuset=syz4 mems_allowed=0
[  289.545240]  dump_stack+0x244/0x39d
[  289.556046]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.561231]  warn_alloc.cold.116+0xb7/0x1bd
[  289.565644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.570478]  ? lock_downgrade+0x900/0x900
[  289.574615]  ? trace_hardirqs_off+0xb8/0x310
[  289.579017]  ? trace_hardirqs_off+0xb8/0x310
[  289.583418]  __alloc_pages_slowpath+0x2651/0x2de0
[  289.588274]  ? warn_alloc+0x120/0x120
[  289.592064]  ? warn_alloc+0x120/0x120
[  289.595857]  ? warn_alloc+0x120/0x120
[  289.599645]  ? print_usage_bug+0xc0/0xc0
[  289.603711]  ? print_usage_bug+0xc0/0xc0
[  289.607757]  ? ktime_get+0x2c1/0x400
[  289.611461]  ? check_preemption_disabled+0x48/0x280
[  289.616466]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.620957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.626487]  ? should_fail+0x22d/0xd01
[  289.630359]  ? kasan_check_read+0x11/0x20
[  289.634497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.639598]  ? __lock_acquire+0x62f/0x4c20
[  289.643824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.648913]  ? should_fail+0x22d/0xd01
[  289.652785]  ? print_usage_bug+0xc0/0xc0
[  289.656839]  ? mark_held_locks+0x130/0x130
[  289.661061]  ? mark_held_locks+0x130/0x130
[  289.665283]  ? check_preemption_disabled+0x48/0x280
[  289.670291]  ? zap_class+0x640/0x640
[  289.673990]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.678734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.684257]  ? check_preemption_disabled+0x48/0x280
[  289.689271]  ? __lock_is_held+0xb5/0x140
[  289.693321]  __alloc_pages_nodemask+0xad8/0xea0
[  289.697976]  ? zap_class+0x640/0x640
[  289.701676]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  289.706684]  ? find_held_lock+0x36/0x1c0
[  289.710738]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.715392]  ? lock_downgrade+0x900/0x900
[  289.719535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.725061]  cache_grow_begin+0xa5/0x8c0
[  289.729105]  ? do_raw_spin_unlock+0xa7/0x330
[  289.733506]  fallback_alloc+0x204/0x2e0
[  289.737470]  ____cache_alloc_node+0x1c7/0x1e0
[  289.741952]  kmem_cache_alloc_node+0xe3/0x730
[  289.746437]  ? __kmalloc_node_track_caller+0x50/0x70
[  289.751528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.757056]  __alloc_skb+0x119/0x770
[  289.760757]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.766112]  ? netdev_alloc_frag+0x1f0/0x1f0
[  289.770511]  ? vprintk_default+0x28/0x30
[  289.774586]  ? vprintk_func+0x85/0x181
[  289.778459]  ? printk+0xa7/0xcf
[  289.781734]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  289.786486]  new_skb+0x26/0x1c0
[  289.789751]  aoecmd_cfg+0x279/0x7f0
[  289.793366]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  289.797679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.803209]  ? __lock_is_held+0xb5/0x140
[  289.807265]  discover_timer+0x50/0x60
[  289.811048]  call_timer_fn+0x272/0x920
[  289.814924]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  289.819750]  ? process_timeout+0x40/0x40
[  289.823802]  ? mark_held_locks+0xc7/0x130
[  289.827935]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.832421]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.836898]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  289.841731]  ? lockdep_hardirqs_on+0x296/0x5b0
[  289.846301]  ? trace_hardirqs_on+0xbd/0x310
[  289.850696]  ? kasan_check_read+0x11/0x20
[  289.854828]  ? __run_timers+0x7da/0xc70
[  289.858791]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.863889]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  289.868719]  __run_timers+0x7e5/0xc70
[  289.872517]  ? timer_fixup_init+0x70/0x70
[  289.876650]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.881654]  ? zap_class+0x640/0x640
[  289.885372]  ? print_usage_bug+0xc0/0xc0
[  289.889434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.894619]  ? find_held_lock+0x36/0x1c0
[  289.898669]  ? zap_class+0x640/0x640
[  289.902371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.907920]  ? check_preemption_disabled+0x48/0x280
[  289.912938]  ? __lock_is_held+0xb5/0x140
[  289.916985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.922611]  ? check_preemption_disabled+0x48/0x280
[  289.927624]  run_timer_softirq+0x52/0xb0
[  289.931763]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.936764]  __do_softirq+0x308/0xb7e
[  289.940557]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.945036]  ? lock_downgrade+0x900/0x900
[  289.949176]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.954291]  ? pvclock_read_flags+0x160/0x160
[  289.958790]  ? lapic_next_event+0x5a/0x90
[  289.962931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.968462]  ? kvm_clock_read+0x18/0x30
[  289.972421]  ? kvm_sched_clock_read+0x9/0x20
[  289.976814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.982339]  ? check_preemption_disabled+0x48/0x280
[  289.987350]  irq_exit+0x17f/0x1c0
[  289.990793]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.995622]  ? smp_reschedule_interrupt+0x109/0x650
[  290.000628]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.006508]  ? interrupt_entry+0xb5/0xc0
[  290.010559]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.015651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.020653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.025485]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.030486]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.035497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.040333]  apic_timer_interrupt+0xf/0x20
[  290.044549]  </IRQ>
[  290.046775] RIP: 0010:dump_stack+0x358/0x39d
[  290.051171] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  290.070054] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  290.077746] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  290.085003] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  290.092258] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  290.099526] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  290.106780] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  290.114044]  ? dump_stack+0x34f/0x39d
[  290.117837]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.123015]  ? mark_held_locks+0x130/0x130
[  290.127234]  ? mark_held_locks+0x130/0x130
[  290.131457]  dump_header+0x27b/0xf72
[  290.135165]  ? pagefault_out_of_memory+0x197/0x197
[  290.140084]  ? __lock_acquire+0x62f/0x4c20
[  290.144303]  ? percpu_ref_get_many+0x240/0x240
[  290.148875]  ? print_usage_bug+0xc0/0xc0
[  290.152933]  ? zap_class+0x640/0x640
[  290.156727]  ? print_usage_bug+0xc0/0xc0
[  290.160774]  ? print_usage_bug+0xc0/0xc0
[  290.164821]  ? zap_class+0x640/0x640
[  290.168525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.174139]  ? find_held_lock+0x36/0x1c0
[  290.178189]  ? mark_held_locks+0xc7/0x130
[  290.182323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.187409]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.192499]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  290.197069]  ? trace_hardirqs_on+0xbd/0x310
[  290.201386]  ? kasan_check_read+0x11/0x20
[  290.205547]  ? ___ratelimit+0x3b4/0x672
[  290.209507]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.214601]  ? trace_hardirqs_on+0x310/0x310
[  290.218992]  ? lock_downgrade+0x900/0x900
[  290.223131]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.228218]  ? ___ratelimit+0x3b9/0x672
[  290.232182]  ? idr_get_free+0xf70/0xf70
[  290.236141]  ? find_held_lock+0x36/0x1c0
[  290.240198]  oom_kill_process.cold.27+0x10/0x903
[  290.244940]  ? zap_class+0x640/0x640
[  290.248647]  ? check_preemption_disabled+0x48/0x280
[  290.253649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.258562]  ? kasan_check_read+0x11/0x20
[  290.262695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.267957]  ? oom_evaluate_task+0x540/0x540
[  290.272354]  ? find_held_lock+0x36/0x1c0
[  290.276431]  ? out_of_memory+0x974/0x1430
[  290.280585]  ? lock_downgrade+0x900/0x900
[  290.284721]  ? check_preemption_disabled+0x48/0x280
[  290.289830]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.294741]  ? kasan_check_read+0x11/0x20
[  290.298879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.304139]  ? rcu_softirq_qs+0x20/0x20
[  290.308104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.313627]  ? oom_evaluate_task+0x302/0x540
[  290.318021]  out_of_memory+0xa84/0x1430
[  290.321989]  ? oom_killer_disable+0x3a0/0x3a0
[  290.326472]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  290.331390]  ? __ww_mutex_check_waiters+0x160/0x160
[  290.336399]  __alloc_pages_slowpath+0x232c/0x2de0
[  290.341245]  ? warn_alloc+0x120/0x120
[  290.345034]  ? mark_held_locks+0x130/0x130
[  290.349260]  ? find_get_entry+0xaae/0x1120
[  290.353487]  ? filemap_map_pages+0x1a20/0x1a20
[  290.358058]  ? zap_class+0x640/0x640
[  290.361763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.367295]  ? check_preemption_disabled+0x48/0x280
[  290.372296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.377818]  ? should_fail+0x22d/0xd01
[  290.381701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.386794]  ? zap_class+0x640/0x640
[  290.390518]  ? __lock_is_held+0xb5/0x140
[  290.394589]  ? mark_held_locks+0x130/0x130
[  290.398812]  ? lock_release+0xa00/0xa00
[  290.402771]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.408204]  ? xa_load+0x2ba/0x460
[  290.411730]  ? lock_downgrade+0x900/0x900
[  290.415869]  ? __might_sleep+0x95/0x190
[  290.419830]  __alloc_pages_nodemask+0xad8/0xea0
[  290.424489]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  290.429488]  ? __page_cache_alloc+0x191/0x5c0
[  290.433965]  ? xa_load+0x2e1/0x460
[  290.437490]  ? xa_clear_mark+0x40/0x40
[  290.441378]  ? zap_class+0x640/0x640
[  290.445082]  ? zap_class+0x640/0x640
[  290.448793]  ? zap_class+0x640/0x640
[  290.452494]  ? __do_page_cache_readahead+0x663/0x810
[  290.457587]  ? find_held_lock+0x36/0x1c0
[  290.461641]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  290.467165]  alloc_pages_current+0x173/0x350
[  290.471564]  __page_cache_alloc+0x38c/0x5c0
[  290.475870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.480784]  ? kasan_check_read+0x11/0x20
[  290.484919]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.490187]  ? generic_perform_write+0x6a0/0x6a0
[  290.494928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.500455]  ? check_preemption_disabled+0x48/0x280
[  290.505461]  filemap_fault+0x1595/0x25f0
[  290.509519]  ? __lock_page_or_retry+0xa00/0xa00
[  290.514177]  ? mark_held_locks+0x130/0x130
[  290.518401]  ? filemap_map_pages+0xd6b/0x1a20
[  290.522884]  ? lock_downgrade+0x900/0x900
[  290.527016]  ? check_preemption_disabled+0x48/0x280
[  290.532138]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.537055]  ? kasan_check_read+0x11/0x20
[  290.541192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.546454]  ? rcu_softirq_qs+0x20/0x20
[  290.550422]  ? filemap_map_pages+0xd92/0x1a20
[  290.554913]  ? find_get_entries_tag+0x1400/0x1400
[  290.559758]  ? __kernel_text_address+0xd/0x40
[  290.564246]  ? unwind_get_return_address+0x61/0xa0
[  290.569172]  ? lock_acquire+0x1ed/0x520
[  290.573134]  ? ext4_filemap_fault+0x7a/0xad
[  290.577457]  ? lock_release+0xa00/0xa00
[  290.581415]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.586854]  ? print_usage_bug+0xc0/0xc0
[  290.590899]  ? print_usage_bug+0xc0/0xc0
[  290.594946]  ? __x64_sys_read+0x73/0xb0
[  290.598905]  ? print_usage_bug+0xc0/0xc0
[  290.602973]  ? down_read+0x8d/0x120
[  290.606581]  ? ext4_filemap_fault+0x7a/0xad
[  290.610891]  ? __down_interruptible+0x700/0x700
[  290.615554]  ext4_filemap_fault+0x82/0xad
[  290.619692]  __do_fault+0x100/0x6b0
[  290.623305]  ? trace_hardirqs_on+0xbd/0x310
[  290.627615]  ? pmd_devmap_trans_unstable+0x220/0x220
[  290.632728]  ? mark_held_locks+0x130/0x130
[  290.636954]  ? mark_held_locks+0x130/0x130
[  290.641179]  ? do_syslog+0x147b/0x1690
[  290.645055]  ? do_syslog+0x309/0x1690
[  290.648847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.654376]  __handle_mm_fault+0x3ea0/0x5be0
[  290.658781]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  290.663626]  ? find_held_lock+0x36/0x1c0
[  290.667688]  ? zap_class+0x640/0x640
[  290.671388]  ? zap_class+0x640/0x640
[  290.675109]  ? find_held_lock+0x36/0x1c0
[  290.679162]  ? handle_mm_fault+0x42a/0xc70
[  290.683385]  ? lock_downgrade+0x900/0x900
[  290.687520]  ? check_preemption_disabled+0x48/0x280
[  290.692525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.697982]  ? kasan_check_read+0x11/0x20
[  290.702121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.707387]  ? rcu_softirq_qs+0x20/0x20
[  290.711371]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.716470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.722006]  ? check_preemption_disabled+0x48/0x280
[  290.727026]  handle_mm_fault+0x54f/0xc70
[  290.731085]  ? __handle_mm_fault+0x5be0/0x5be0
[  290.735669]  ? find_vma+0x34/0x190
[  290.739224]  __do_page_fault+0x5e8/0xe60
[  290.743277]  ? trace_hardirqs_off+0xb8/0x310
[  290.747681]  ? kernel_write+0x120/0x120
[  290.751664]  do_page_fault+0xf2/0x7e0
[  290.755464]  ? vmalloc_sync_all+0x30/0x30
[  290.759613]  ? error_entry+0x70/0xd0
[  290.763338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.768357]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.773294]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.778230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.783070]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.788082]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.793533]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.798554]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.803566]  ? page_fault+0x8/0x30
[  290.807107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.811949]  ? page_fault+0x8/0x30
[  290.815489]  page_fault+0x1e/0x30
[  290.818942] RIP: 0033:0x7f71188e71fd
[  290.822670] Code: Bad RIP value.
[  290.826034] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  290.831396] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  290.838662] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  290.845930] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  290.853196] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  290.860463] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  290.867748] warn_alloc_show_mem: 1 callbacks suppressed
[  290.867758] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  290.867759] Mem-Info:
[  290.867788] active_anon:46284 inactive_anon:276 isolated_anon:0
[  290.867788]  active_file:13 inactive_file:11 isolated_file:0
[  290.867788]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.867788]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  290.867788]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  290.867788]  free:13741 free_pcp:339 free_cma:0
[  290.873118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.873125] Call Trace:
[  290.880401] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.882791]  <IRQ>
[  290.915646] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  290.924994]  dump_stack+0x244/0x39d
[  290.927553] lowmem_reserve[]: 0 2818 6321 6321
[  290.955214]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.957364] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  290.983472]  warn_alloc.cold.116+0xb7/0x1bd
[  290.987066] lowmem_reserve[]: 0 0 3503 3503
[  290.991638]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.996801] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  291.024380]  ? lock_downgrade+0x900/0x900
[  291.028669] lowmem_reserve[]: 0 0 0 0
[  291.032991]  ? trace_hardirqs_off+0xb8/0x310
[  291.037804] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  291.066858]  ? trace_hardirqs_off+0xb8/0x310
[  291.070982] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  291.074781]  __alloc_pages_slowpath+0x2651/0x2de0
[  291.079163] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  291.092697]  ? warn_alloc+0x120/0x120
[  291.097067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.112223]  ? print_usage_bug+0xc0/0xc0
[  291.117046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.131940]  ? warn_alloc+0x120/0x120
[  291.135714] 358 total pagecache pages
[  291.144542]  ? warn_alloc+0x120/0x120
[  291.148586] 0 pages in swap cache
[  291.157144]  ? print_usage_bug+0xc0/0xc0
[  291.160924] Swap cache stats: add 0, delete 0, find 0/0
[  291.164714]  ? kvm_clock_read+0x18/0x30
[  291.168487] Free swap  = 0kB
[  291.171929]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  291.175961] Total swap = 0kB
[  291.181325]  ? print_usage_bug+0xc0/0xc0
[  291.185271] 1965979 pages RAM
[  291.188307]  ? __lock_acquire+0x62f/0x4c20
[  291.193303] 0 pages HighMem/MovableOnly
[  291.196331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.200368] 342854 pages reserved
[  291.203462]  ? should_fail+0x22d/0xd01
[  291.207663] 0 pages cma reserved
[  291.207720] aoe: skb alloc failure
[  291.211628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.211645]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.211661]  ? __lock_acquire+0x62f/0x4c20
[  291.217198] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.220618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.224480] rsyslogd cpuset=/ mems_allowed=0
[  291.227838]  ? __lock_acquire+0x62f/0x4c20
[  291.269656]  ? should_fail+0x22d/0xd01
[  291.273540]  ? rcu_irq_exit+0x1a2/0x390
[  291.277522]  ? mark_held_locks+0x130/0x130
[  291.281758]  ? mark_held_locks+0x130/0x130
[  291.285997]  ? mark_held_locks+0xc7/0x130
[  291.290144]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  291.295159]  ? zap_class+0x640/0x640
[  291.298872]  ? print_usage_bug+0xc0/0xc0
[  291.302938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.308478]  ? check_preemption_disabled+0x48/0x280
[  291.313501]  ? __lock_is_held+0xb5/0x140
[  291.317566]  __alloc_pages_nodemask+0xad8/0xea0
[  291.322236]  ? zap_class+0x640/0x640
[  291.325950]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  291.330976]  ? find_held_lock+0x36/0x1c0
[  291.335047]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.339713]  ? lock_downgrade+0x900/0x900
[  291.343866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.349403]  cache_grow_begin+0xa5/0x8c0
[  291.353463]  ? do_raw_spin_unlock+0xa7/0x330
[  291.357875]  fallback_alloc+0x204/0x2e0
[  291.361857]  ____cache_alloc_node+0x1c7/0x1e0
[  291.366355]  kmem_cache_alloc_node+0xe3/0x730
[  291.370848]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.375089]  __alloc_skb+0x119/0x770
[  291.378803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.384079]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.388488]  ? lock_downgrade+0x900/0x900
[  291.392641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.398181]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.403632]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.409079]  ? addrconf_rs_timer+0x690/0x690
[  291.413497]  ndisc_alloc_skb+0x144/0x340
[  291.417560]  ndisc_send_rs+0x331/0x6e0
[  291.421453]  addrconf_rs_timer+0x314/0x690
[  291.425690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.429929]  call_timer_fn+0x272/0x920
[  291.433814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.438044]  ? process_timeout+0x40/0x40
[  291.442111]  ? __run_timers+0x7da/0xc70
[  291.446082]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.450578]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.455070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.459314]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.463894]  ? trace_hardirqs_on+0xbd/0x310
[  291.468211]  ? kasan_check_read+0x11/0x20
[  291.472356]  ? __run_timers+0x7da/0xc70
[  291.476329]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.481435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.485675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.489906]  __run_timers+0x7e5/0xc70
[  291.493716]  ? timer_fixup_init+0x70/0x70
[  291.497866]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.502879]  ? zap_class+0x640/0x640
[  291.506592]  ? enqueue_hrtimer+0x1a5/0x560
[  291.510825]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.516022]  ? find_held_lock+0x36/0x1c0
[  291.520088]  ? zap_class+0x640/0x640
[  291.523800]  ? pvclock_read_flags+0x160/0x160
[  291.528303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.533839]  ? check_preemption_disabled+0x48/0x280
[  291.538859]  ? __lock_is_held+0xb5/0x140
[  291.542920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.548456]  ? check_preemption_disabled+0x48/0x280
[  291.553476]  run_timer_softirq+0x52/0xb0
[  291.557538]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.562557]  __do_softirq+0x308/0xb7e
[  291.566362]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.570853]  ? lock_downgrade+0x900/0x900
[  291.575004]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.580109]  ? pvclock_read_flags+0x160/0x160
[  291.584603]  ? lapic_next_event+0x5a/0x90
[  291.588751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.594298]  ? kvm_clock_read+0x18/0x30
[  291.598283]  ? kvm_sched_clock_read+0x9/0x20
[  291.602691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.608226]  ? check_preemption_disabled+0x48/0x280
[  291.613273]  irq_exit+0x17f/0x1c0
[  291.616726]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.621570]  ? smp_reschedule_interrupt+0x109/0x650
[  291.626589]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.632467]  ? interrupt_entry+0xb5/0xc0
[  291.636530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.641545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.646560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.651403]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.656415]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.661430]  ? task_prio+0x50/0x50
[  291.664971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.670509]  ? check_preemption_disabled+0x48/0x280
[  291.675533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.680379]  apic_timer_interrupt+0xf/0x20
[  291.684604]  </IRQ>
[  291.686843] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.691771] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  291.710667] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  291.718369] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  291.725634] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  291.732897] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  291.740165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  291.747428] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  291.754730]  skb_clone+0x1bb/0x500
[  291.758278]  ? finish_task_switch+0x615/0x910
[  291.762770]  ? skb_split+0x11e0/0x11e0
[  291.766657]  ? preempt_notifier_register+0x200/0x200
[  291.771755]  ? __switch_to_asm+0x34/0x70
[  291.775811]  ? __switch_to_asm+0x34/0x70
[  291.779871]  ? __switch_to_asm+0x40/0x70
[  291.783928]  ? __switch_to_asm+0x34/0x70
[  291.787982]  ? __switch_to_asm+0x40/0x70
[  291.792042]  ? __switch_to_asm+0x34/0x70
[  291.796100]  ? __switch_to_asm+0x40/0x70
[  291.800159]  ? __switch_to_asm+0x34/0x70
[  291.804216]  ? __switch_to_asm+0x34/0x70
[  291.808288]  ? __switch_to_asm+0x40/0x70
[  291.812346]  ? __switch_to_asm+0x34/0x70
[  291.816409]  bpf_clone_redirect+0xb9/0x490
[  291.820642]  ? __schedule+0x8d7/0x21d0
[  291.824533]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  291.829552]  ? __sched_text_start+0x8/0x8
[  291.833703]  ? retint_kernel+0x2d/0x2d
[  291.837595]  ? find_held_lock+0x36/0x1c0
[  291.841664]  ? lock_acquire+0x1ed/0x520
[  291.845637]  ? bpf_test_run+0x3ee/0x7a0
[  291.849612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.855150]  ? check_preemption_disabled+0x48/0x280
[  291.860169]  ? kasan_check_read+0x11/0x20
[  291.864321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.869593]  ? rcu_softirq_qs+0x20/0x20
[  291.873565]  ? preempt_schedule+0x4d/0x60
[  291.877712]  ? ___preempt_schedule+0x16/0x18
[  291.882125]  ? bpf_test_run+0x271/0x7a0
[  291.886105]  ? eth_type_trans+0x2ea/0x760
[  291.890265]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.894673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.900208]  ? bpf_test_init.isra.10+0x70/0x100
[  291.904891]  ? bpf_prog_test_run_skb+0x762/0xd60
[  291.909646]  ? apparmor_cred_transfer+0x590/0x590
[  291.914492]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.919340]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.924875]  ? fput+0x130/0x1a0
[  291.928155]  ? __bpf_prog_get+0x9b/0x290
[  291.932219]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.937076]  ? bpf_prog_test_run+0x130/0x1a0
[  291.941488]  ? __x64_sys_bpf+0x3d8/0x520
[  291.945549]  ? bpf_prog_get+0x20/0x20
[  291.949366]  ? do_syscall_64+0x1b9/0x820
[  291.953422]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.958790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.963720]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.968737]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.973751]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  291.980411]  ? __switch_to_asm+0x40/0x70
[  291.984470]  ? __switch_to_asm+0x34/0x70
[  291.988532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.993379]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.998754] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  291.998812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.005587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.005594] Call Trace:
[  292.012143] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.021412]  <IRQ>
[  292.023981] syz-executor4 cpuset=syz4 mems_allowed=0
[  292.034455]  dump_stack+0x244/0x39d
[  292.045291]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.050490]  warn_alloc.cold.116+0xb7/0x1bd
[  292.054811]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.059654]  ? lock_downgrade+0x900/0x900
[  292.063809]  ? trace_hardirqs_off+0xb8/0x310
[  292.068230]  ? trace_hardirqs_off+0xb8/0x310
[  292.072642]  __alloc_pages_slowpath+0x2651/0x2de0
[  292.077543]  ? warn_alloc+0x120/0x120
[  292.081348]  ? warn_alloc+0x120/0x120
[  292.085153]  ? __lock_acquire+0x62f/0x4c20
[  292.089390]  ? warn_alloc+0x120/0x120
[  292.093194]  ? print_usage_bug+0xc0/0xc0
[  292.097274]  ? print_usage_bug+0xc0/0xc0
[  292.101339]  ? mark_held_locks+0x130/0x130
[  292.105578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.111112]  ? should_fail+0x22d/0xd01
[  292.115000]  ? zap_class+0x640/0x640
[  292.118720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.123824]  ? __lock_acquire+0x62f/0x4c20
[  292.128063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.133166]  ? should_fail+0x22d/0xd01
[  292.137066]  ? mark_held_locks+0x130/0x130
[  292.141300]  ? mark_held_locks+0x130/0x130
[  292.145531]  ? lock_downgrade+0x900/0x900
[  292.149681]  ? zap_class+0x640/0x640
[  292.153392]  ? zap_class+0x640/0x640
[  292.157104]  ? zap_class+0x640/0x640
[  292.160815]  ? do_raw_spin_unlock+0xa7/0x330
[  292.165230]  ? trace_hardirqs_on+0x310/0x310
[  292.169634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.175173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.180721]  ? check_preemption_disabled+0x48/0x280
[  292.185748]  ? __lock_is_held+0xb5/0x140
[  292.189811]  __alloc_pages_nodemask+0xad8/0xea0
[  292.194476]  ? zap_class+0x640/0x640
[  292.198194]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  292.203235]  ? find_held_lock+0x36/0x1c0
[  292.207305]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.211972]  ? lock_downgrade+0x900/0x900
[  292.216122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.221663]  cache_grow_begin+0xa5/0x8c0
[  292.225724]  ? do_raw_spin_unlock+0xa7/0x330
[  292.230139]  fallback_alloc+0x204/0x2e0
[  292.234119]  ____cache_alloc_node+0x1c7/0x1e0
[  292.238615]  kmem_cache_alloc_node+0xe3/0x730
[  292.243111]  ? __kmalloc_node_track_caller+0x50/0x70
[  292.248223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.253769]  __alloc_skb+0x119/0x770
[  292.257479]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.262846]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.267262]  ? vprintk_default+0x28/0x30
[  292.271323]  ? vprintk_func+0x85/0x181
[  292.275220]  ? printk+0xa7/0xcf
[  292.278497]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  292.283268]  new_skb+0x26/0x1c0
[  292.286546]  aoecmd_cfg+0x279/0x7f0
[  292.290176]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  292.294510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.300054]  ? __lock_is_held+0xb5/0x140
[  292.304122]  discover_timer+0x50/0x60
[  292.307919]  call_timer_fn+0x272/0x920
[  292.311806]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  292.316645]  ? process_timeout+0x40/0x40
[  292.320715]  ? mark_held_locks+0xc7/0x130
[  292.324861]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.329351]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.333844]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  292.338684]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.343269]  ? trace_hardirqs_on+0xbd/0x310
[  292.347591]  ? kasan_check_read+0x11/0x20
[  292.351736]  ? __run_timers+0x7da/0xc70
[  292.355716]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.360825]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  292.365666]  __run_timers+0x7e5/0xc70
[  292.369477]  ? timer_fixup_init+0x70/0x70
[  292.373625]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.378640]  ? zap_class+0x640/0x640
[  292.382359]  ? print_usage_bug+0xc0/0xc0
[  292.386418]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.391614]  ? find_held_lock+0x36/0x1c0
[  292.395679]  ? zap_class+0x640/0x640
[  292.399400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.404933]  ? check_preemption_disabled+0x48/0x280
[  292.409955]  ? __lock_is_held+0xb5/0x140
[  292.414016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.419551]  ? check_preemption_disabled+0x48/0x280
[  292.424568]  run_timer_softirq+0x52/0xb0
[  292.428625]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.433638]  __do_softirq+0x308/0xb7e
[  292.437439]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.441930]  ? lock_downgrade+0x900/0x900
[  292.446078]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.451193]  ? pvclock_read_flags+0x160/0x160
[  292.455696]  ? lapic_next_event+0x5a/0x90
[  292.459846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.465384]  ? kvm_clock_read+0x18/0x30
[  292.469354]  ? kvm_sched_clock_read+0x9/0x20
[  292.473761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.479300]  ? check_preemption_disabled+0x48/0x280
[  292.484321]  irq_exit+0x17f/0x1c0
[  292.487772]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.492615]  ? smp_reschedule_interrupt+0x109/0x650
[  292.497629]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.503508]  ? interrupt_entry+0xb5/0xc0
[  292.507572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.512583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.517599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.522442]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.527453]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.532614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.537463]  apic_timer_interrupt+0xf/0x20
[  292.541694]  </IRQ>
[  292.543929] RIP: 0010:dump_stack+0x358/0x39d
[  292.548339] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  292.567239] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  292.574941] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  292.582209] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  292.589474] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  292.596737] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  292.604003] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  292.611291]  ? dump_stack+0x34f/0x39d
[  292.615101]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.620291]  ? mark_held_locks+0x130/0x130
[  292.624524]  ? mark_held_locks+0x130/0x130
[  292.628764]  dump_header+0x27b/0xf72
[  292.632487]  ? pagefault_out_of_memory+0x197/0x197
[  292.637419]  ? __lock_acquire+0x62f/0x4c20
[  292.641651]  ? percpu_ref_get_many+0x240/0x240
[  292.646241]  ? print_usage_bug+0xc0/0xc0
[  292.650307]  ? zap_class+0x640/0x640
[  292.654019]  ? print_usage_bug+0xc0/0xc0
[  292.658074]  ? print_usage_bug+0xc0/0xc0
[  292.662136]  ? zap_class+0x640/0x640
[  292.665858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.671395]  ? find_held_lock+0x36/0x1c0
[  292.675461]  ? mark_held_locks+0xc7/0x130
[  292.679608]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.684706]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  292.689807]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.694387]  ? trace_hardirqs_on+0xbd/0x310
[  292.699223]  ? kasan_check_read+0x11/0x20
[  292.703368]  ? ___ratelimit+0x3b4/0x672
[  292.707344]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.712444]  ? trace_hardirqs_on+0x310/0x310
[  292.716855]  ? lock_downgrade+0x900/0x900
[  292.721005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.726105]  ? ___ratelimit+0x3b9/0x672
[  292.730080]  ? idr_get_free+0xf70/0xf70
[  292.734050]  ? find_held_lock+0x36/0x1c0
[  292.738118]  oom_kill_process.cold.27+0x10/0x903
[  292.742874]  ? zap_class+0x640/0x640
[  292.746591]  ? check_preemption_disabled+0x48/0x280
[  292.751608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.756535]  ? kasan_check_read+0x11/0x20
[  292.760683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.765961]  ? oom_evaluate_task+0x540/0x540
[  292.770369]  ? find_held_lock+0x36/0x1c0
[  292.774433]  ? out_of_memory+0x974/0x1430
[  292.778582]  ? lock_downgrade+0x900/0x900
[  292.782725]  ? check_preemption_disabled+0x48/0x280
[  292.787743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.792676]  ? kasan_check_read+0x11/0x20
[  292.796820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.802095]  ? rcu_softirq_qs+0x20/0x20
[  292.806075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.811606]  ? oom_evaluate_task+0x302/0x540
[  292.816017]  out_of_memory+0xa84/0x1430
[  292.819994]  ? oom_killer_disable+0x3a0/0x3a0
[  292.824491]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  292.829424]  ? __ww_mutex_check_waiters+0x160/0x160
[  292.834450]  __alloc_pages_slowpath+0x232c/0x2de0
[  292.839315]  ? warn_alloc+0x120/0x120
[  292.843111]  ? mark_held_locks+0x130/0x130
[  292.847350]  ? find_get_entry+0xaae/0x1120
[  292.851589]  ? filemap_map_pages+0x1a20/0x1a20
[  292.856180]  ? zap_class+0x640/0x640
[  292.859895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.865432]  ? check_preemption_disabled+0x48/0x280
[  292.870451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.875988]  ? should_fail+0x22d/0xd01
[  292.879877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.884977]  ? zap_class+0x640/0x640
[  292.888711]  ? __lock_is_held+0xb5/0x140
[  292.892775]  ? mark_held_locks+0x130/0x130
[  292.897012]  ? lock_release+0xa00/0xa00
[  292.900987]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.906438]  ? xa_load+0x2ba/0x460
[  292.909976]  ? lock_downgrade+0x900/0x900
[  292.914124]  ? __might_sleep+0x95/0x190
[  292.918112]  __alloc_pages_nodemask+0xad8/0xea0
[  292.922793]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  292.927809]  ? __page_cache_alloc+0x191/0x5c0
[  292.932302]  ? xa_load+0x2e1/0x460
[  292.935841]  ? xa_clear_mark+0x40/0x40
[  292.939729]  ? zap_class+0x640/0x640
[  292.943448]  ? zap_class+0x640/0x640
[  292.947170]  ? zap_class+0x640/0x640
[  292.950886]  ? __do_page_cache_readahead+0x663/0x810
[  292.955994]  ? find_held_lock+0x36/0x1c0
[  292.960057]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  292.965598]  alloc_pages_current+0x173/0x350
[  292.970010]  __page_cache_alloc+0x38c/0x5c0
[  292.974327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.979260]  ? kasan_check_read+0x11/0x20
[  292.983403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.988678]  ? generic_perform_write+0x6a0/0x6a0
[  292.993433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.998971]  ? check_preemption_disabled+0x48/0x280
[  293.003995]  filemap_fault+0x1595/0x25f0
[  293.008066]  ? __lock_page_or_retry+0xa00/0xa00
[  293.012739]  ? mark_held_locks+0x130/0x130
[  293.016984]  ? filemap_map_pages+0xd6b/0x1a20
[  293.021479]  ? lock_downgrade+0x900/0x900
[  293.025629]  ? check_preemption_disabled+0x48/0x280
[  293.030651]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.035576]  ? kasan_check_read+0x11/0x20
[  293.039724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.045003]  ? rcu_softirq_qs+0x20/0x20
[  293.048989]  ? filemap_map_pages+0xd92/0x1a20
[  293.053495]  ? find_get_entries_tag+0x1400/0x1400
[  293.058336]  ? __kernel_text_address+0xd/0x40
[  293.062830]  ? unwind_get_return_address+0x61/0xa0
[  293.067774]  ? lock_acquire+0x1ed/0x520
[  293.071749]  ? ext4_filemap_fault+0x7a/0xad
[  293.076078]  ? lock_release+0xa00/0xa00
[  293.080049]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.085499]  ? print_usage_bug+0xc0/0xc0
[  293.089557]  ? print_usage_bug+0xc0/0xc0
[  293.093615]  ? __x64_sys_read+0x73/0xb0
[  293.097598]  ? print_usage_bug+0xc0/0xc0
[  293.101674]  ? down_read+0x8d/0x120
[  293.105300]  ? ext4_filemap_fault+0x7a/0xad
[  293.109620]  ? __down_interruptible+0x700/0x700
[  293.114301]  ext4_filemap_fault+0x82/0xad
[  293.118447]  __do_fault+0x100/0x6b0
[  293.122075]  ? trace_hardirqs_on+0xbd/0x310
[  293.126395]  ? pmd_devmap_trans_unstable+0x220/0x220
[  293.131496]  ? mark_held_locks+0x130/0x130
[  293.135729]  ? mark_held_locks+0x130/0x130
[  293.139960]  ? do_syslog+0x147b/0x1690
[  293.143847]  ? do_syslog+0x309/0x1690
[  293.147651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.153193]  __handle_mm_fault+0x3ea0/0x5be0
[  293.157605]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  293.162455]  ? find_held_lock+0x36/0x1c0
[  293.166533]  ? zap_class+0x640/0x640
[  293.170245]  ? zap_class+0x640/0x640
[  293.173966]  ? find_held_lock+0x36/0x1c0
[  293.178035]  ? handle_mm_fault+0x42a/0xc70
[  293.182273]  ? lock_downgrade+0x900/0x900
[  293.186420]  ? check_preemption_disabled+0x48/0x280
[  293.191436]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.196364]  ? kasan_check_read+0x11/0x20
[  293.200507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.205783]  ? rcu_softirq_qs+0x20/0x20
[  293.209760]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.214860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.220396]  ? check_preemption_disabled+0x48/0x280
[  293.225415]  handle_mm_fault+0x54f/0xc70
[  293.229481]  ? __handle_mm_fault+0x5be0/0x5be0
[  293.234070]  ? find_vma+0x34/0x190
[  293.237610]  __do_page_fault+0x5e8/0xe60
[  293.241674]  ? trace_hardirqs_off+0xb8/0x310
[  293.246082]  ? kernel_write+0x120/0x120
[  293.250074]  do_page_fault+0xf2/0x7e0
[  293.253871]  ? vmalloc_sync_all+0x30/0x30
[  293.258015]  ? error_entry+0x70/0xd0
[  293.261727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.266743]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.271669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.276598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.281444]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.286458]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.291910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.296929]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.301943]  ? page_fault+0x8/0x30
[  293.305489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.310330]  ? page_fault+0x8/0x30
[  293.313870]  page_fault+0x1e/0x30
[  293.317320] RIP: 0033:0x7f71188e71fd
[  293.321041] Code: Bad RIP value.
[  293.324399] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  293.329761] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  293.337030] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  293.344296] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  293.351561] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  293.358828] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  293.366118] warn_alloc_show_mem: 1 callbacks suppressed
[  293.366128] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  293.366130] Mem-Info:
[  293.366159] active_anon:46284 inactive_anon:276 isolated_anon:0
[  293.366159]  active_file:13 inactive_file:11 isolated_file:0
[  293.366159]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.366159]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  293.366159]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  293.366159]  free:13741 free_pcp:339 free_cma:0
[  293.371488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.371495] Call Trace:
[  293.378769] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.381158]  <IRQ>
[  293.414018] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  293.423365]  dump_stack+0x244/0x39d
[  293.425920] lowmem_reserve[]: 0 2818 6321 6321
[  293.453589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.455716] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  293.481822]  warn_alloc.cold.116+0xb7/0x1bd
[  293.485419] lowmem_reserve[]: 0 0 3503 3503
[  293.489993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.495154] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  293.522731]  ? lock_downgrade+0x900/0x900
[  293.527018] lowmem_reserve[]: 0 0 0 0
[  293.531340]  ? trace_hardirqs_off+0xb8/0x310
[  293.536157] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  293.565214]  ? trace_hardirqs_off+0xb8/0x310
[  293.569337] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  293.573139]  __alloc_pages_slowpath+0x2651/0x2de0
[  293.577514] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  293.591055]  ? warn_alloc+0x120/0x120
[  293.595423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.610581]  ? print_usage_bug+0xc0/0xc0
[  293.615403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.630299]  ? warn_alloc+0x120/0x120
[  293.634075] 358 total pagecache pages
[  293.642912]  ? warn_alloc+0x120/0x120
[  293.646956] 0 pages in swap cache
[  293.655516]  ? print_usage_bug+0xc0/0xc0
[  293.659294] Swap cache stats: add 0, delete 0, find 0/0
[  293.663096]  ? kvm_clock_read+0x18/0x30
[  293.666866] Free swap  = 0kB
[  293.670314]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  293.674351] Total swap = 0kB
[  293.679704]  ? print_usage_bug+0xc0/0xc0
[  293.683651] 1965979 pages RAM
[  293.686661]  ? __lock_acquire+0x62f/0x4c20
[  293.691652] 0 pages HighMem/MovableOnly
[  293.694663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.698690] 342854 pages reserved
[  293.698697] 0 pages cma reserved
[  293.701790]  ? should_fail+0x22d/0xd01
[  293.706045] aoe: skb alloc failure
[  293.709958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.709976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.709991]  ? __lock_acquire+0x62f/0x4c20
[  293.715529] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.718952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.722293] rsyslogd cpuset=/ mems_allowed=0
[  293.726164]  ? __lock_acquire+0x62f/0x4c20
[  293.726178]  ? should_fail+0x22d/0xd01
[  293.771864]  ? rcu_irq_exit+0x1a2/0x390
[  293.775842]  ? mark_held_locks+0x130/0x130
[  293.780091]  ? mark_held_locks+0x130/0x130
[  293.784327]  ? mark_held_locks+0xc7/0x130
[  293.788475]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  293.793487]  ? zap_class+0x640/0x640
[  293.797202]  ? print_usage_bug+0xc0/0xc0
[  293.801265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.806800]  ? check_preemption_disabled+0x48/0x280
[  293.811821]  ? __lock_is_held+0xb5/0x140
[  293.815889]  __alloc_pages_nodemask+0xad8/0xea0
[  293.820555]  ? zap_class+0x640/0x640
[  293.824270]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  293.829294]  ? find_held_lock+0x36/0x1c0
[  293.833359]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.838025]  ? lock_downgrade+0x900/0x900
[  293.842181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.847719]  cache_grow_begin+0xa5/0x8c0
[  293.851778]  ? do_raw_spin_unlock+0xa7/0x330
[  293.856190]  fallback_alloc+0x204/0x2e0
[  293.860165]  ____cache_alloc_node+0x1c7/0x1e0
[  293.864665]  kmem_cache_alloc_node+0xe3/0x730
[  293.869157]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.873402]  __alloc_skb+0x119/0x770
[  293.877112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.882388]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.886792]  ? lock_downgrade+0x900/0x900
[  293.890943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.896481]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.901931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.907378]  ? addrconf_rs_timer+0x690/0x690
[  293.911792]  ndisc_alloc_skb+0x144/0x340
[  293.915852]  ndisc_send_rs+0x331/0x6e0
[  293.919743]  addrconf_rs_timer+0x314/0x690
[  293.923983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.928228]  call_timer_fn+0x272/0x920
[  293.932111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.936348]  ? process_timeout+0x40/0x40
[  293.940413]  ? __run_timers+0x7da/0xc70
[  293.944385]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.948877]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.953366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.957598]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.962183]  ? trace_hardirqs_on+0xbd/0x310
[  293.966505]  ? kasan_check_read+0x11/0x20
[  293.970652]  ? __run_timers+0x7da/0xc70
[  293.974629]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.979731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.983969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.988199]  __run_timers+0x7e5/0xc70
[  293.992006]  ? timer_fixup_init+0x70/0x70
[  293.996152]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.001170]  ? zap_class+0x640/0x640
[  294.004886]  ? enqueue_hrtimer+0x1a5/0x560
[  294.009121]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.014316]  ? find_held_lock+0x36/0x1c0
[  294.018380]  ? zap_class+0x640/0x640
[  294.022101]  ? pvclock_read_flags+0x160/0x160
[  294.026594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.032129]  ? check_preemption_disabled+0x48/0x280
[  294.037149]  ? __lock_is_held+0xb5/0x140
[  294.041212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.046751]  ? check_preemption_disabled+0x48/0x280
[  294.051772]  run_timer_softirq+0x52/0xb0
[  294.055831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.060843]  __do_softirq+0x308/0xb7e
[  294.064648]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.069139]  ? lock_downgrade+0x900/0x900
[  294.073289]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.078394]  ? pvclock_read_flags+0x160/0x160
[  294.082887]  ? lapic_next_event+0x5a/0x90
[  294.087033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.092587]  ? kvm_clock_read+0x18/0x30
[  294.096558]  ? kvm_sched_clock_read+0x9/0x20
[  294.100967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.106506]  ? check_preemption_disabled+0x48/0x280
[  294.111527]  irq_exit+0x17f/0x1c0
[  294.114979]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.119816]  ? smp_reschedule_interrupt+0x109/0x650
[  294.124834]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.130713]  ? interrupt_entry+0xb5/0xc0
[  294.134772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.139785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.144801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.149641]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.154658]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.159671]  ? task_prio+0x50/0x50
[  294.163210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.168744]  ? check_preemption_disabled+0x48/0x280
[  294.173765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.178610]  apic_timer_interrupt+0xf/0x20
[  294.182836]  </IRQ>
[  294.185081] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.190008] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  294.208916] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  294.216620] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.223882] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  294.231147] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  294.238409] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  294.245676] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  294.252971]  skb_clone+0x1bb/0x500
[  294.256509]  ? finish_task_switch+0x615/0x910
[  294.261002]  ? skb_split+0x11e0/0x11e0
[  294.264902]  ? preempt_notifier_register+0x200/0x200
[  294.270003]  ? __switch_to_asm+0x34/0x70
[  294.274078]  ? __switch_to_asm+0x34/0x70
[  294.278137]  ? __switch_to_asm+0x40/0x70
[  294.282196]  ? __switch_to_asm+0x34/0x70
[  294.286253]  ? __switch_to_asm+0x40/0x70
[  294.290309]  ? __switch_to_asm+0x34/0x70
[  294.294365]  ? __switch_to_asm+0x40/0x70
[  294.298425]  ? __switch_to_asm+0x34/0x70
[  294.302481]  ? __switch_to_asm+0x34/0x70
[  294.306541]  ? __switch_to_asm+0x40/0x70
[  294.310601]  ? __switch_to_asm+0x34/0x70
[  294.314662]  bpf_clone_redirect+0xb9/0x490
[  294.318896]  ? __schedule+0x8d7/0x21d0
[  294.322787]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  294.327803]  ? __sched_text_start+0x8/0x8
[  294.331951]  ? retint_kernel+0x2d/0x2d
[  294.335847]  ? find_held_lock+0x36/0x1c0
[  294.339916]  ? lock_acquire+0x1ed/0x520
[  294.343887]  ? bpf_test_run+0x3ee/0x7a0
[  294.347858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.353391]  ? check_preemption_disabled+0x48/0x280
[  294.358409]  ? kasan_check_read+0x11/0x20
[  294.362553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.367828]  ? rcu_softirq_qs+0x20/0x20
[  294.371801]  ? preempt_schedule+0x4d/0x60
[  294.375950]  ? ___preempt_schedule+0x16/0x18
[  294.380367]  ? bpf_test_run+0x271/0x7a0
[  294.384345]  ? eth_type_trans+0x2ea/0x760
[  294.388492]  ? netlink_diag_dump+0x2a0/0x2a0
[  294.392900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.398432]  ? bpf_test_init.isra.10+0x70/0x100
[  294.403102]  ? bpf_prog_test_run_skb+0x762/0xd60
[  294.407860]  ? apparmor_cred_transfer+0x590/0x590
[  294.412706]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  294.417556]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.423095]  ? fput+0x130/0x1a0
[  294.426377]  ? __bpf_prog_get+0x9b/0x290
[  294.430439]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  294.435280]  ? bpf_prog_test_run+0x130/0x1a0
[  294.439692]  ? __x64_sys_bpf+0x3d8/0x520
[  294.443750]  ? bpf_prog_get+0x20/0x20
[  294.447563]  ? do_syscall_64+0x1b9/0x820
[  294.451622]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  294.456985]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.461931]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.466949]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  294.471968]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  294.478630]  ? __switch_to_asm+0x40/0x70
[  294.482686]  ? __switch_to_asm+0x34/0x70
[  294.486752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.491599]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  294.496973] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  294.497059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.503813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.503818] Call Trace:
[  294.503823]  <IRQ>
[  294.503838]  dump_stack+0x244/0x39d
[  294.503857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.510394] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.519684]  warn_alloc.cold.116+0xb7/0x1bd
[  294.522242] syz-executor4 cpuset=syz4 mems_allowed=0
[  294.524384]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.558395]  ? lock_downgrade+0x900/0x900
[  294.562547]  ? trace_hardirqs_off+0xb8/0x310
[  294.566960]  ? trace_hardirqs_off+0xb8/0x310
[  294.571377]  __alloc_pages_slowpath+0x2651/0x2de0
[  294.576239]  ? warn_alloc+0x120/0x120
[  294.580060]  ? warn_alloc+0x120/0x120
[  294.583861]  ? __lock_acquire+0x62f/0x4c20
[  294.588093]  ? warn_alloc+0x120/0x120
[  294.591893]  ? print_usage_bug+0xc0/0xc0
[  294.595958]  ? print_usage_bug+0xc0/0xc0
[  294.600029]  ? mark_held_locks+0x130/0x130
[  294.604271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.609810]  ? should_fail+0x22d/0xd01
[  294.613692]  ? zap_class+0x640/0x640
[  294.617409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.622513]  ? __lock_acquire+0x62f/0x4c20
[  294.626749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.631847]  ? should_fail+0x22d/0xd01
[  294.635741]  ? mark_held_locks+0x130/0x130
[  294.639977]  ? mark_held_locks+0x130/0x130
[  294.644220]  ? lock_downgrade+0x900/0x900
[  294.648369]  ? zap_class+0x640/0x640
[  294.652079]  ? zap_class+0x640/0x640
[  294.655792]  ? zap_class+0x640/0x640
[  294.659505]  ? do_raw_spin_unlock+0xa7/0x330
[  294.663915]  ? trace_hardirqs_on+0x310/0x310
[  294.668323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.673861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.679395]  ? check_preemption_disabled+0x48/0x280
[  294.684421]  ? __lock_is_held+0xb5/0x140
[  294.688487]  __alloc_pages_nodemask+0xad8/0xea0
[  294.693158]  ? zap_class+0x640/0x640
[  294.697415]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  294.702439]  ? find_held_lock+0x36/0x1c0
[  294.706510]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.711177]  ? lock_downgrade+0x900/0x900
[  294.715330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.720869]  cache_grow_begin+0xa5/0x8c0
[  294.724925]  ? do_raw_spin_unlock+0xa7/0x330
[  294.729336]  fallback_alloc+0x204/0x2e0
[  294.733312]  ____cache_alloc_node+0x1c7/0x1e0
[  294.737811]  kmem_cache_alloc_node+0xe3/0x730
[  294.742307]  ? __kmalloc_node_track_caller+0x50/0x70
[  294.747409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.752954]  __alloc_skb+0x119/0x770
[  294.756673]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.762038]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.766454]  ? vprintk_default+0x28/0x30
[  294.770523]  ? vprintk_func+0x85/0x181
[  294.774407]  ? printk+0xa7/0xcf
[  294.777684]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  294.782452]  new_skb+0x26/0x1c0
[  294.785730]  aoecmd_cfg+0x279/0x7f0
[  294.789360]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  294.793688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.799232]  ? __lock_is_held+0xb5/0x140
[  294.803302]  discover_timer+0x50/0x60
[  294.807099]  call_timer_fn+0x272/0x920
[  294.810993]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  294.815837]  ? process_timeout+0x40/0x40
[  294.819902]  ? mark_held_locks+0xc7/0x130
[  294.824049]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.828540]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.833031]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  294.837875]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.842457]  ? trace_hardirqs_on+0xbd/0x310
[  294.846780]  ? kasan_check_read+0x11/0x20
[  294.850928]  ? __run_timers+0x7da/0xc70
[  294.854899]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.860016]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  294.864857]  __run_timers+0x7e5/0xc70
[  294.868667]  ? timer_fixup_init+0x70/0x70
[  294.872818]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.877830]  ? zap_class+0x640/0x640
[  294.881548]  ? print_usage_bug+0xc0/0xc0
[  294.885613]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.890807]  ? find_held_lock+0x36/0x1c0
[  294.894873]  ? zap_class+0x640/0x640
[  294.898587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.904128]  ? check_preemption_disabled+0x48/0x280
[  294.909148]  ? __lock_is_held+0xb5/0x140
[  294.913209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.918743]  ? check_preemption_disabled+0x48/0x280
[  294.923762]  run_timer_softirq+0x52/0xb0
[  294.927819]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.932833]  __do_softirq+0x308/0xb7e
[  294.936636]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.941132]  ? lock_downgrade+0x900/0x900
[  294.945280]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.950387]  ? pvclock_read_flags+0x160/0x160
[  294.954883]  ? lapic_next_event+0x5a/0x90
[  294.959031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.964573]  ? kvm_clock_read+0x18/0x30
[  294.968544]  ? kvm_sched_clock_read+0x9/0x20
[  294.972956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.978505]  ? check_preemption_disabled+0x48/0x280
[  294.983529]  irq_exit+0x17f/0x1c0
[  294.986989]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.991829]  ? smp_reschedule_interrupt+0x109/0x650
[  294.996848]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.002728]  ? interrupt_entry+0xb5/0xc0
[  295.006789]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.011803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.016822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.021662]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.026679]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.031701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.036551]  apic_timer_interrupt+0xf/0x20
[  295.040780]  </IRQ>
[  295.043020] RIP: 0010:dump_stack+0x358/0x39d
[  295.047430] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  295.066327] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  295.074030] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  295.081297] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  295.088566] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  295.095833] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  295.103099] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  295.110377]  ? dump_stack+0x34f/0x39d
[  295.114191]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.119384]  ? mark_held_locks+0x130/0x130
[  295.123615]  ? mark_held_locks+0x130/0x130
[  295.127853]  dump_header+0x27b/0xf72
[  295.131574]  ? pagefault_out_of_memory+0x197/0x197
[  295.136506]  ? __lock_acquire+0x62f/0x4c20
[  295.140741]  ? percpu_ref_get_many+0x240/0x240
[  295.145325]  ? print_usage_bug+0xc0/0xc0
[  295.149393]  ? zap_class+0x640/0x640
[  295.153111]  ? print_usage_bug+0xc0/0xc0
[  295.157171]  ? print_usage_bug+0xc0/0xc0
[  295.161231]  ? zap_class+0x640/0x640
[  295.164943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.170493]  ? find_held_lock+0x36/0x1c0
[  295.174560]  ? mark_held_locks+0xc7/0x130
[  295.178710]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  295.183812]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  295.188915]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.193505]  ? trace_hardirqs_on+0xbd/0x310
[  295.197823]  ? kasan_check_read+0x11/0x20
[  295.201981]  ? ___ratelimit+0x3b4/0x672
[  295.205964]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.211070]  ? trace_hardirqs_on+0x310/0x310
[  295.215484]  ? lock_downgrade+0x900/0x900
[  295.219634]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.224733]  ? ___ratelimit+0x3b9/0x672
[  295.228710]  ? idr_get_free+0xf70/0xf70
[  295.232683]  ? find_held_lock+0x36/0x1c0
[  295.236751]  oom_kill_process.cold.27+0x10/0x903
[  295.241505]  ? zap_class+0x640/0x640
[  295.245221]  ? check_preemption_disabled+0x48/0x280
[  295.250236]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.255161]  ? kasan_check_read+0x11/0x20
[  295.259310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.264586]  ? oom_evaluate_task+0x540/0x540
[  295.268996]  ? find_held_lock+0x36/0x1c0
[  295.273065]  ? out_of_memory+0x974/0x1430
[  295.277218]  ? lock_downgrade+0x900/0x900
[  295.281364]  ? check_preemption_disabled+0x48/0x280
[  295.286382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.291307]  ? kasan_check_read+0x11/0x20
[  295.295454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.300734]  ? rcu_softirq_qs+0x20/0x20
[  295.304707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.310238]  ? oom_evaluate_task+0x302/0x540
[  295.314646]  out_of_memory+0xa84/0x1430
[  295.318623]  ? oom_killer_disable+0x3a0/0x3a0
[  295.323116]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  295.328051]  ? __ww_mutex_check_waiters+0x160/0x160
[  295.333079]  __alloc_pages_slowpath+0x232c/0x2de0
[  295.337957]  ? warn_alloc+0x120/0x120
[  295.341754]  ? mark_held_locks+0x130/0x130
[  295.345992]  ? find_get_entry+0xaae/0x1120
[  295.350234]  ? filemap_map_pages+0x1a20/0x1a20
[  295.354818]  ? zap_class+0x640/0x640
[  295.358538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.364078]  ? check_preemption_disabled+0x48/0x280
[  295.369094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.374628]  ? should_fail+0x22d/0xd01
[  295.378521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.383621]  ? zap_class+0x640/0x640
[  295.387359]  ? __lock_is_held+0xb5/0x140
[  295.391428]  ? mark_held_locks+0x130/0x130
[  295.395671]  ? lock_release+0xa00/0xa00
[  295.399641]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.405093]  ? xa_load+0x2ba/0x460
[  295.408636]  ? lock_downgrade+0x900/0x900
[  295.412790]  ? __might_sleep+0x95/0x190
[  295.416767]  __alloc_pages_nodemask+0xad8/0xea0
[  295.421445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  295.426462]  ? __page_cache_alloc+0x191/0x5c0
[  295.430962]  ? xa_load+0x2e1/0x460
[  295.434500]  ? xa_clear_mark+0x40/0x40
[  295.438391]  ? zap_class+0x640/0x640
[  295.442108]  ? zap_class+0x640/0x640
[  295.445823]  ? zap_class+0x640/0x640
[  295.449537]  ? __do_page_cache_readahead+0x663/0x810
[  295.454640]  ? find_held_lock+0x36/0x1c0
[  295.458703]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  295.464246]  alloc_pages_current+0x173/0x350
[  295.468656]  __page_cache_alloc+0x38c/0x5c0
[  295.472973]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.477898]  ? kasan_check_read+0x11/0x20
[  295.482050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.487330]  ? generic_perform_write+0x6a0/0x6a0
[  295.492086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.497624]  ? check_preemption_disabled+0x48/0x280
[  295.502646]  filemap_fault+0x1595/0x25f0
[  295.506716]  ? __lock_page_or_retry+0xa00/0xa00
[  295.511387]  ? mark_held_locks+0x130/0x130
[  295.515630]  ? filemap_map_pages+0xd6b/0x1a20
[  295.520123]  ? lock_downgrade+0x900/0x900
[  295.524272]  ? check_preemption_disabled+0x48/0x280
[  295.529289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.534217]  ? kasan_check_read+0x11/0x20
[  295.538361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.543637]  ? rcu_softirq_qs+0x20/0x20
[  295.547620]  ? filemap_map_pages+0xd92/0x1a20
[  295.552126]  ? find_get_entries_tag+0x1400/0x1400
[  295.556969]  ? __kernel_text_address+0xd/0x40
[  295.561463]  ? unwind_get_return_address+0x61/0xa0
[  295.566404]  ? lock_acquire+0x1ed/0x520
[  295.570377]  ? ext4_filemap_fault+0x7a/0xad
[  295.574701]  ? lock_release+0xa00/0xa00
[  295.578672]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.584119]  ? print_usage_bug+0xc0/0xc0
[  295.588182]  ? print_usage_bug+0xc0/0xc0
[  295.592241]  ? __x64_sys_read+0x73/0xb0
[  295.596217]  ? print_usage_bug+0xc0/0xc0
[  295.600284]  ? down_read+0x8d/0x120
[  295.603908]  ? ext4_filemap_fault+0x7a/0xad
[  295.608237]  ? __down_interruptible+0x700/0x700
[  295.612925]  ext4_filemap_fault+0x82/0xad
[  295.617071]  __do_fault+0x100/0x6b0
[  295.620696]  ? trace_hardirqs_on+0xbd/0x310
[  295.625023]  ? pmd_devmap_trans_unstable+0x220/0x220
[  295.630124]  ? mark_held_locks+0x130/0x130
[  295.634360]  ? mark_held_locks+0x130/0x130
[  295.638595]  ? do_syslog+0x147b/0x1690
[  295.642482]  ? do_syslog+0x309/0x1690
[  295.646285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.651826]  __handle_mm_fault+0x3ea0/0x5be0
[  295.656244]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  295.661092]  ? find_held_lock+0x36/0x1c0
[  295.665166]  ? zap_class+0x640/0x640
[  295.668881]  ? zap_class+0x640/0x640
[  295.672606]  ? find_held_lock+0x36/0x1c0
[  295.676672]  ? handle_mm_fault+0x42a/0xc70
[  295.680914]  ? lock_downgrade+0x900/0x900
[  295.685060]  ? check_preemption_disabled+0x48/0x280
[  295.690080]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.695006]  ? kasan_check_read+0x11/0x20
[  295.699152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.704431]  ? rcu_softirq_qs+0x20/0x20
[  295.708407]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.713777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.719310]  ? check_preemption_disabled+0x48/0x280
[  295.724331]  handle_mm_fault+0x54f/0xc70
[  295.728393]  ? __handle_mm_fault+0x5be0/0x5be0
[  295.732983]  ? find_vma+0x34/0x190
[  295.736525]  __do_page_fault+0x5e8/0xe60
[  295.740583]  ? trace_hardirqs_off+0xb8/0x310
[  295.744988]  ? kernel_write+0x120/0x120
[  295.748970]  do_page_fault+0xf2/0x7e0
[  295.752772]  ? vmalloc_sync_all+0x30/0x30
[  295.756923]  ? error_entry+0x70/0xd0
[  295.760637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.765652]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.770579]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.775504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.780345]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.785362]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.790811]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.795830]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.800845]  ? page_fault+0x8/0x30
[  295.804389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.809238]  ? page_fault+0x8/0x30
[  295.812776]  page_fault+0x1e/0x30
[  295.816227] RIP: 0033:0x7f71188e71fd
[  295.819950] Code: Bad RIP value.
[  295.823314] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  295.828670] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  295.835931] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  295.843192] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  295.850450] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  295.857710] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  295.864990] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  295.864994] warn_alloc_show_mem: 1 callbacks suppressed
[  295.865000] Mem-Info:
[  295.872261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.877617] active_anon:46284 inactive_anon:276 isolated_anon:0
[  295.877617]  active_file:13 inactive_file:11 isolated_file:0
[  295.877617]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.877617]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  295.877617]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  295.877617]  free:13741 free_pcp:339 free_cma:0
[  295.879983] Call Trace:
[  295.889350] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.922185]  <IRQ>
[  295.924744] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  295.952395]  dump_stack+0x244/0x39d
[  295.954516] lowmem_reserve[]: 0 2818 6321 6321
[  295.980695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.984285] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  295.988872]  warn_alloc.cold.116+0xb7/0x1bd
[  295.994030] lowmem_reserve[]: 0 0 3503 3503
[  296.021687]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.025972] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  296.030280]  ? lock_downgrade+0x900/0x900
[  296.035082] lowmem_reserve[]: 0 0 0 0
[  296.064140]  ? trace_hardirqs_off+0xb8/0x310
[  296.068253] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  296.072041]  ? trace_hardirqs_off+0xb8/0x310
[  296.076417] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  296.089932]  __alloc_pages_slowpath+0x2651/0x2de0
[  296.094299] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  296.109481]  ? warn_alloc+0x120/0x120
[  296.114277] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  296.129161]  ? print_usage_bug+0xc0/0xc0
[  296.132931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  296.141740]  ? warn_alloc+0x120/0x120
[  296.145766] 358 total pagecache pages
[  296.154328]  ? warn_alloc+0x120/0x120
[  296.158100] 0 pages in swap cache
[  296.161882]  ? print_usage_bug+0xc0/0xc0
[  296.165649] Swap cache stats: add 0, delete 0, find 0/0
[  296.169080]  ? kvm_clock_read+0x18/0x30
[  296.173121] Free swap  = 0kB
[  296.178470]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.182409] Total swap = 0kB
[  296.182416] 1965979 pages RAM
[  296.185421]  ? print_usage_bug+0xc0/0xc0
[  296.190396] 0 pages HighMem/MovableOnly
[  296.190403] 342854 pages reserved
[  296.193398]  ? __lock_acquire+0x62f/0x4c20
[  296.196463] 0 pages cma reserved
[  296.196515] aoe: skb alloc failure
[  296.200510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.200521]  ? should_fail+0x22d/0xd01
[  296.200535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.204505] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.207919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.212119] rsyslogd cpuset=/ mems_allowed=0
[  296.215468]  ? __lock_acquire+0x62f/0x4c20
[  296.257350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.262443]  ? __lock_acquire+0x62f/0x4c20
[  296.266679]  ? should_fail+0x22d/0xd01
[  296.270553]  ? rcu_irq_exit+0x1a2/0x390
[  296.274528]  ? mark_held_locks+0x130/0x130
[  296.278756]  ? mark_held_locks+0x130/0x130
[  296.283003]  ? mark_held_locks+0xc7/0x130
[  296.287140]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  296.292145]  ? zap_class+0x640/0x640
[  296.295934]  ? print_usage_bug+0xc0/0xc0
[  296.299997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.305530]  ? check_preemption_disabled+0x48/0x280
[  296.310547]  ? __lock_is_held+0xb5/0x140
[  296.314610]  __alloc_pages_nodemask+0xad8/0xea0
[  296.319267]  ? zap_class+0x640/0x640
[  296.322973]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  296.327986]  ? find_held_lock+0x36/0x1c0
[  296.332044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.336700]  ? lock_downgrade+0x900/0x900
[  296.340844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.346380]  cache_grow_begin+0xa5/0x8c0
[  296.350428]  ? do_raw_spin_unlock+0xa7/0x330
[  296.354831]  fallback_alloc+0x204/0x2e0
[  296.358810]  ____cache_alloc_node+0x1c7/0x1e0
[  296.363297]  kmem_cache_alloc_node+0xe3/0x730
[  296.367779]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.372007]  __alloc_skb+0x119/0x770
[  296.375705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.380973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.385371]  ? lock_downgrade+0x900/0x900
[  296.389516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.395041]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.400478]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.405918]  ? addrconf_rs_timer+0x690/0x690
[  296.410328]  ndisc_alloc_skb+0x144/0x340
[  296.414381]  ndisc_send_rs+0x331/0x6e0
[  296.418258]  addrconf_rs_timer+0x314/0x690
[  296.422483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.426711]  call_timer_fn+0x272/0x920
[  296.430587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.434807]  ? process_timeout+0x40/0x40
[  296.438873]  ? __run_timers+0x7da/0xc70
[  296.442845]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.447327]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.451806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.456036]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.460602]  ? trace_hardirqs_on+0xbd/0x310
[  296.464908]  ? kasan_check_read+0x11/0x20
[  296.469039]  ? __run_timers+0x7da/0xc70
[  296.472998]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.478089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.482315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.486546]  __run_timers+0x7e5/0xc70
[  296.490345]  ? timer_fixup_init+0x70/0x70
[  296.494482]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.499504]  ? zap_class+0x640/0x640
[  296.503208]  ? enqueue_hrtimer+0x1a5/0x560
[  296.507432]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.512620]  ? find_held_lock+0x36/0x1c0
[  296.516681]  ? zap_class+0x640/0x640
[  296.520382]  ? pvclock_read_flags+0x160/0x160
[  296.524872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.530862]  ? check_preemption_disabled+0x48/0x280
[  296.535875]  ? __lock_is_held+0xb5/0x140
[  296.539926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.545450]  ? check_preemption_disabled+0x48/0x280
[  296.550458]  run_timer_softirq+0x52/0xb0
[  296.554526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.559529]  __do_softirq+0x308/0xb7e
[  296.563319]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.567799]  ? lock_downgrade+0x900/0x900
[  296.571943]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.577041]  ? pvclock_read_flags+0x160/0x160
[  296.581534]  ? lapic_next_event+0x5a/0x90
[  296.585678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.591211]  ? kvm_clock_read+0x18/0x30
[  296.595191]  ? kvm_sched_clock_read+0x9/0x20
[  296.599589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.605113]  ? check_preemption_disabled+0x48/0x280
[  296.610127]  irq_exit+0x17f/0x1c0
[  296.613567]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.618396]  ? smp_reschedule_interrupt+0x109/0x650
[  296.623398]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.629270]  ? interrupt_entry+0xb5/0xc0
[  296.633322]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.638330]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.643335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.648164]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.653196]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.658197]  ? task_prio+0x50/0x50
[  296.661726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.667250]  ? check_preemption_disabled+0x48/0x280
[  296.672260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.677093]  apic_timer_interrupt+0xf/0x20
[  296.681311]  </IRQ>
[  296.683541] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  296.688459] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  296.707496] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  296.715189] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  296.722445] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  296.729712] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  296.736972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  296.744234] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  296.751532]  skb_clone+0x1bb/0x500
[  296.755073]  ? finish_task_switch+0x615/0x910
[  296.759572]  ? skb_split+0x11e0/0x11e0
[  296.763452]  ? preempt_notifier_register+0x200/0x200
[  296.768544]  ? __switch_to_asm+0x34/0x70
[  296.772592]  ? __switch_to_asm+0x34/0x70
[  296.776636]  ? __switch_to_asm+0x40/0x70
[  296.780680]  ? __switch_to_asm+0x34/0x70
[  296.784728]  ? __switch_to_asm+0x40/0x70
[  296.788778]  ? __switch_to_asm+0x34/0x70
[  296.792834]  ? __switch_to_asm+0x40/0x70
[  296.796880]  ? __switch_to_asm+0x34/0x70
[  296.800948]  ? __switch_to_asm+0x34/0x70
[  296.805007]  ? __switch_to_asm+0x40/0x70
[  296.809074]  ? __switch_to_asm+0x34/0x70
[  296.813130]  bpf_clone_redirect+0xb9/0x490
[  296.817354]  ? __schedule+0x8d7/0x21d0
[  296.821238]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  296.826243]  ? __sched_text_start+0x8/0x8
[  296.830377]  ? retint_kernel+0x2d/0x2d
[  296.834258]  ? find_held_lock+0x36/0x1c0
[  296.838327]  ? lock_acquire+0x1ed/0x520
[  296.842312]  ? bpf_test_run+0x3ee/0x7a0
[  296.846281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.851816]  ? check_preemption_disabled+0x48/0x280
[  296.856838]  ? kasan_check_read+0x11/0x20
[  296.860975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.866238]  ? rcu_softirq_qs+0x20/0x20
[  296.870199]  ? preempt_schedule+0x4d/0x60
[  296.874340]  ? ___preempt_schedule+0x16/0x18
[  296.878740]  ? bpf_test_run+0x271/0x7a0
[  296.882706]  ? eth_type_trans+0x2ea/0x760
[  296.886842]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.891255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.896783]  ? bpf_test_init.isra.10+0x70/0x100
[  296.901453]  ? bpf_prog_test_run_skb+0x762/0xd60
[  296.906201]  ? apparmor_cred_transfer+0x590/0x590
[  296.911033]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.915867]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.921410]  ? fput+0x130/0x1a0
[  296.924683]  ? __bpf_prog_get+0x9b/0x290
[  296.928732]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.933589]  ? bpf_prog_test_run+0x130/0x1a0
[  296.937989]  ? __x64_sys_bpf+0x3d8/0x520
[  296.942035]  ? bpf_prog_get+0x20/0x20
[  296.945848]  ? do_syscall_64+0x1b9/0x820
[  296.949903]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  296.955262]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.960185]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.965184]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.970186]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  296.976866]  ? __switch_to_asm+0x40/0x70
[  296.980915]  ? __switch_to_asm+0x34/0x70
[  296.984964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.989818]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  296.995185] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  296.995254] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.002022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.002027] Call Trace:
[  297.002031]  <IRQ>
[  297.002047]  dump_stack+0x244/0x39d
[  297.002075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.008605] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.017898]  warn_alloc.cold.116+0xb7/0x1bd
[  297.020447] syz-executor4 cpuset=syz4 mems_allowed=0
[  297.022576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.055999]  ? lock_downgrade+0x900/0x900
[  297.060140]  ? trace_hardirqs_off+0xb8/0x310
[  297.064542]  ? trace_hardirqs_off+0xb8/0x310
[  297.068945]  __alloc_pages_slowpath+0x2651/0x2de0
[  297.073800]  ? warn_alloc+0x120/0x120
[  297.077592]  ? warn_alloc+0x120/0x120
[  297.081383]  ? __lock_acquire+0x62f/0x4c20
[  297.085620]  ? warn_alloc+0x120/0x120
[  297.089425]  ? print_usage_bug+0xc0/0xc0
[  297.093475]  ? print_usage_bug+0xc0/0xc0
[  297.097610]  ? mark_held_locks+0x130/0x130
[  297.101840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.107363]  ? should_fail+0x22d/0xd01
[  297.111240]  ? zap_class+0x640/0x640
[  297.114940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.120047]  ? __lock_acquire+0x62f/0x4c20
[  297.124269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.129394]  ? should_fail+0x22d/0xd01
[  297.133275]  ? mark_held_locks+0x130/0x130
[  297.137500]  ? mark_held_locks+0x130/0x130
[  297.141723]  ? lock_downgrade+0x900/0x900
[  297.145856]  ? zap_class+0x640/0x640
[  297.149556]  ? zap_class+0x640/0x640
[  297.153256]  ? zap_class+0x640/0x640
[  297.156958]  ? do_raw_spin_unlock+0xa7/0x330
[  297.161355]  ? trace_hardirqs_on+0x310/0x310
[  297.165751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.171289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.176816]  ? check_preemption_disabled+0x48/0x280
[  297.181826]  ? __lock_is_held+0xb5/0x140
[  297.185880]  __alloc_pages_nodemask+0xad8/0xea0
[  297.190535]  ? zap_class+0x640/0x640
[  297.194239]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  297.199253]  ? find_held_lock+0x36/0x1c0
[  297.203317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.207985]  ? lock_downgrade+0x900/0x900
[  297.212126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.217653]  cache_grow_begin+0xa5/0x8c0
[  297.221697]  ? do_raw_spin_unlock+0xa7/0x330
[  297.226094]  fallback_alloc+0x204/0x2e0
[  297.230065]  ____cache_alloc_node+0x1c7/0x1e0
[  297.234553]  kmem_cache_alloc_node+0xe3/0x730
[  297.239032]  ? __kmalloc_node_track_caller+0x50/0x70
[  297.244122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.249660]  __alloc_skb+0x119/0x770
[  297.253380]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.258733]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.263133]  ? vprintk_default+0x28/0x30
[  297.267184]  ? vprintk_func+0x85/0x181
[  297.271059]  ? printk+0xa7/0xcf
[  297.274331]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  297.279085]  new_skb+0x26/0x1c0
[  297.282350]  aoecmd_cfg+0x279/0x7f0
[  297.285972]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  297.290290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.295825]  ? __lock_is_held+0xb5/0x140
[  297.299897]  discover_timer+0x50/0x60
[  297.303694]  call_timer_fn+0x272/0x920
[  297.307568]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  297.312396]  ? process_timeout+0x40/0x40
[  297.316449]  ? mark_held_locks+0xc7/0x130
[  297.320584]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.325064]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.329546]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  297.334378]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.338946]  ? trace_hardirqs_on+0xbd/0x310
[  297.343255]  ? kasan_check_read+0x11/0x20
[  297.347401]  ? __run_timers+0x7da/0xc70
[  297.351385]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.356486]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  297.361325]  __run_timers+0x7e5/0xc70
[  297.365136]  ? timer_fixup_init+0x70/0x70
[  297.369278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.374286]  ? zap_class+0x640/0x640
[  297.377998]  ? print_usage_bug+0xc0/0xc0
[  297.382051]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.387237]  ? find_held_lock+0x36/0x1c0
[  297.391292]  ? zap_class+0x640/0x640
[  297.394997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.400523]  ? check_preemption_disabled+0x48/0x280
[  297.405536]  ? __lock_is_held+0xb5/0x140
[  297.409584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.415111]  ? check_preemption_disabled+0x48/0x280
[  297.420125]  run_timer_softirq+0x52/0xb0
[  297.424172]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.429175]  __do_softirq+0x308/0xb7e
[  297.432965]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.437454]  ? lock_downgrade+0x900/0x900
[  297.441589]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.446683]  ? pvclock_read_flags+0x160/0x160
[  297.451165]  ? lapic_next_event+0x5a/0x90
[  297.455298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.460845]  ? kvm_clock_read+0x18/0x30
[  297.464811]  ? kvm_sched_clock_read+0x9/0x20
[  297.469211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.474765]  ? check_preemption_disabled+0x48/0x280
[  297.479783]  irq_exit+0x17f/0x1c0
[  297.483225]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.488052]  ? smp_reschedule_interrupt+0x109/0x650
[  297.493053]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.498921]  ? interrupt_entry+0xb5/0xc0
[  297.502968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.507970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.512974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.517806]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.522858]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.527871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.532705]  apic_timer_interrupt+0xf/0x20
[  297.536918]  </IRQ>
[  297.539147] RIP: 0010:dump_stack+0x358/0x39d
[  297.543545] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  297.562427] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  297.570130] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  297.577387] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  297.584641] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  297.591898] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  297.599154] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  297.606419]  ? dump_stack+0x34f/0x39d
[  297.610224]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.615421]  ? mark_held_locks+0x130/0x130
[  297.619655]  ? mark_held_locks+0x130/0x130
[  297.623893]  dump_header+0x27b/0xf72
[  297.627619]  ? pagefault_out_of_memory+0x197/0x197
[  297.632541]  ? __lock_acquire+0x62f/0x4c20
[  297.636768]  ? percpu_ref_get_many+0x240/0x240
[  297.641341]  ? print_usage_bug+0xc0/0xc0
[  297.645393]  ? zap_class+0x640/0x640
[  297.649098]  ? print_usage_bug+0xc0/0xc0
[  297.653145]  ? print_usage_bug+0xc0/0xc0
[  297.657288]  ? zap_class+0x640/0x640
[  297.660998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.666530]  ? find_held_lock+0x36/0x1c0
[  297.670591]  ? mark_held_locks+0xc7/0x130
[  297.674743]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  297.679838]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  297.685059]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.689633]  ? trace_hardirqs_on+0xbd/0x310
[  297.693940]  ? kasan_check_read+0x11/0x20
[  297.698073]  ? ___ratelimit+0x3b4/0x672
[  297.702034]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.707127]  ? trace_hardirqs_on+0x310/0x310
[  297.711522]  ? lock_downgrade+0x900/0x900
[  297.715663]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.720765]  ? ___ratelimit+0x3b9/0x672
[  297.724737]  ? idr_get_free+0xf70/0xf70
[  297.728713]  ? find_held_lock+0x36/0x1c0
[  297.732794]  oom_kill_process.cold.27+0x10/0x903
[  297.737542]  ? zap_class+0x640/0x640
[  297.741244]  ? check_preemption_disabled+0x48/0x280
[  297.746252]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.751170]  ? kasan_check_read+0x11/0x20
[  297.755305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.760571]  ? oom_evaluate_task+0x540/0x540
[  297.764974]  ? find_held_lock+0x36/0x1c0
[  297.769039]  ? out_of_memory+0x974/0x1430
[  297.773177]  ? lock_downgrade+0x900/0x900
[  297.777316]  ? check_preemption_disabled+0x48/0x280
[  297.782325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.787245]  ? kasan_check_read+0x11/0x20
[  297.791383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.796645]  ? rcu_softirq_qs+0x20/0x20
[  297.800609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.806137]  ? oom_evaluate_task+0x302/0x540
[  297.810540]  out_of_memory+0xa84/0x1430
[  297.814519]  ? oom_killer_disable+0x3a0/0x3a0
[  297.819001]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  297.823923]  ? __ww_mutex_check_waiters+0x160/0x160
[  297.828942]  __alloc_pages_slowpath+0x232c/0x2de0
[  297.833792]  ? warn_alloc+0x120/0x120
[  297.837576]  ? mark_held_locks+0x130/0x130
[  297.841800]  ? find_get_entry+0xaae/0x1120
[  297.846027]  ? filemap_map_pages+0x1a20/0x1a20
[  297.850598]  ? zap_class+0x640/0x640
[  297.854304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.859840]  ? check_preemption_disabled+0x48/0x280
[  297.864851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.870375]  ? should_fail+0x22d/0xd01
[  297.874260]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.879354]  ? zap_class+0x640/0x640
[  297.883095]  ? __lock_is_held+0xb5/0x140
[  297.887162]  ? mark_held_locks+0x130/0x130
[  297.891383]  ? lock_release+0xa00/0xa00
[  297.895343]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.900784]  ? xa_load+0x2ba/0x460
[  297.904314]  ? lock_downgrade+0x900/0x900
[  297.908452]  ? __might_sleep+0x95/0x190
[  297.912414]  __alloc_pages_nodemask+0xad8/0xea0
[  297.917071]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  297.922072]  ? __page_cache_alloc+0x191/0x5c0
[  297.926551]  ? xa_load+0x2e1/0x460
[  297.930077]  ? xa_clear_mark+0x40/0x40
[  297.933953]  ? zap_class+0x640/0x640
[  297.937661]  ? zap_class+0x640/0x640
[  297.941361]  ? zap_class+0x640/0x640
[  297.945064]  ? __do_page_cache_readahead+0x663/0x810
[  297.950155]  ? find_held_lock+0x36/0x1c0
[  297.954206]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  297.959741]  alloc_pages_current+0x173/0x350
[  297.964142]  __page_cache_alloc+0x38c/0x5c0
[  297.968448]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.973364]  ? kasan_check_read+0x11/0x20
[  297.977501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.982783]  ? generic_perform_write+0x6a0/0x6a0
[  297.987544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.993082]  ? check_preemption_disabled+0x48/0x280
[  297.998094]  filemap_fault+0x1595/0x25f0
[  298.002150]  ? __lock_page_or_retry+0xa00/0xa00
[  298.006809]  ? mark_held_locks+0x130/0x130
[  298.011036]  ? filemap_map_pages+0xd6b/0x1a20
[  298.015519]  ? lock_downgrade+0x900/0x900
[  298.019657]  ? check_preemption_disabled+0x48/0x280
[  298.024662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.029579]  ? kasan_check_read+0x11/0x20
[  298.033715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.038978]  ? rcu_softirq_qs+0x20/0x20
[  298.042950]  ? filemap_map_pages+0xd92/0x1a20
[  298.047444]  ? find_get_entries_tag+0x1400/0x1400
[  298.052273]  ? __kernel_text_address+0xd/0x40
[  298.056758]  ? unwind_get_return_address+0x61/0xa0
[  298.061710]  ? lock_acquire+0x1ed/0x520
[  298.065671]  ? ext4_filemap_fault+0x7a/0xad
[  298.069983]  ? lock_release+0xa00/0xa00
[  298.073952]  ? perf_trace_sched_process_exec+0x860/0x860
[  298.079387]  ? print_usage_bug+0xc0/0xc0
[  298.083440]  ? print_usage_bug+0xc0/0xc0
[  298.087487]  ? __x64_sys_read+0x73/0xb0
[  298.091451]  ? print_usage_bug+0xc0/0xc0
[  298.095507]  ? down_read+0x8d/0x120
[  298.099117]  ? ext4_filemap_fault+0x7a/0xad
[  298.103427]  ? __down_interruptible+0x700/0x700
[  298.108177]  ext4_filemap_fault+0x82/0xad
[  298.112328]  __do_fault+0x100/0x6b0
[  298.115944]  ? trace_hardirqs_on+0xbd/0x310
[  298.120258]  ? pmd_devmap_trans_unstable+0x220/0x220
[  298.125348]  ? mark_held_locks+0x130/0x130
[  298.129569]  ? mark_held_locks+0x130/0x130
[  298.133786]  ? do_syslog+0x147b/0x1690
[  298.137665]  ? do_syslog+0x309/0x1690
[  298.141459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.146984]  __handle_mm_fault+0x3ea0/0x5be0
[  298.151386]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  298.156223]  ? find_held_lock+0x36/0x1c0
[  298.160289]  ? zap_class+0x640/0x640
[  298.163993]  ? zap_class+0x640/0x640
[  298.167710]  ? find_held_lock+0x36/0x1c0
[  298.171773]  ? handle_mm_fault+0x42a/0xc70
[  298.176000]  ? lock_downgrade+0x900/0x900
[  298.180151]  ? check_preemption_disabled+0x48/0x280
[  298.185160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.190072]  ? kasan_check_read+0x11/0x20
[  298.194236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.199507]  ? rcu_softirq_qs+0x20/0x20
[  298.203474]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.208573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.214103]  ? check_preemption_disabled+0x48/0x280
[  298.219126]  handle_mm_fault+0x54f/0xc70
[  298.223179]  ? __handle_mm_fault+0x5be0/0x5be0
[  298.227754]  ? find_vma+0x34/0x190
[  298.231285]  __do_page_fault+0x5e8/0xe60
[  298.235333]  ? trace_hardirqs_off+0xb8/0x310
[  298.239734]  ? kernel_write+0x120/0x120
[  298.243715]  do_page_fault+0xf2/0x7e0
[  298.247502]  ? vmalloc_sync_all+0x30/0x30
[  298.251633]  ? error_entry+0x70/0xd0
[  298.255331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.260342]  ? trace_hardirqs_on_caller+0xc0/0x310
[  298.265255]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.270173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.275009]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.280010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.285447]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.290452]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.295457]  ? page_fault+0x8/0x30
[  298.298988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.303820]  ? page_fault+0x8/0x30
[  298.307349]  page_fault+0x1e/0x30
[  298.310788] RIP: 0033:0x7f71188e71fd
[  298.314502] Code: Bad RIP value.
[  298.317849] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  298.323197] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  298.330454] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  298.337722] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  298.344975] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  298.352227] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  298.359505] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  298.359509] warn_alloc_show_mem: 1 callbacks suppressed
[  298.359514] Mem-Info:
[  298.366770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.372137] active_anon:46284 inactive_anon:276 isolated_anon:0
[  298.372137]  active_file:13 inactive_file:11 isolated_file:0
[  298.372137]  unevictable:0 dirty:0 writeback:0 unstable:0
[  298.372137]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  298.372137]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  298.372137]  free:13741 free_pcp:339 free_cma:0
[  298.374506] Call Trace:
[  298.383876] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  298.416708]  <IRQ>
[  298.419268] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  298.446918]  dump_stack+0x244/0x39d
[  298.449035] lowmem_reserve[]: 0 2818 6321 6321
[  298.475133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.478728] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  298.483295]  warn_alloc.cold.116+0xb7/0x1bd
[  298.488443] lowmem_reserve[]: 0 0 3503 3503
[  298.516007]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.520303] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  298.524608]  ? lock_downgrade+0x900/0x900
[  298.529522] lowmem_reserve[]: 0 0 0 0
[  298.558578]  ? trace_hardirqs_off+0xb8/0x310
[  298.562685] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  298.566469]  ? trace_hardirqs_off+0xb8/0x310
[  298.570847] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  298.584361]  __alloc_pages_slowpath+0x2651/0x2de0
[  298.588748] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  298.603930]  ? warn_alloc+0x120/0x120
[  298.608729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.623613]  ? print_usage_bug+0xc0/0xc0
[  298.627387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.636195]  ? warn_alloc+0x120/0x120
[  298.640225] 358 total pagecache pages
[  298.648783]  ? warn_alloc+0x120/0x120
[  298.652560] 0 pages in swap cache
[  298.656332]  ? print_usage_bug+0xc0/0xc0
[  298.660100] Swap cache stats: add 0, delete 0, find 0/0
[  298.663531]  ? kvm_clock_read+0x18/0x30
[  298.667553] Free swap  = 0kB
[  298.672897]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  298.676833] Total swap = 0kB
[  298.676839] 1965979 pages RAM
[  298.679836]  ? print_usage_bug+0xc0/0xc0
[  298.684811] 0 pages HighMem/MovableOnly
[  298.684817] 342854 pages reserved
[  298.687816]  ? __lock_acquire+0x62f/0x4c20
[  298.690883] 0 pages cma reserved
[  298.690934] aoe: skb alloc failure
[  298.695261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.699259] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.702634]  ? should_fail+0x22d/0xd01
[  298.706837] rsyslogd cpuset=/ mems_allowed=0
[  298.710179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.742720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.747814]  ? __lock_acquire+0x62f/0x4c20
[  298.752037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.757121]  ? __lock_acquire+0x62f/0x4c20
[  298.761338]  ? should_fail+0x22d/0xd01
[  298.765206]  ? rcu_irq_exit+0x1a2/0x390
[  298.769186]  ? mark_held_locks+0x130/0x130
[  298.773411]  ? mark_held_locks+0x130/0x130
[  298.777637]  ? mark_held_locks+0xc7/0x130
[  298.781790]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  298.786799]  ? zap_class+0x640/0x640
[  298.790533]  ? print_usage_bug+0xc0/0xc0
[  298.794586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.800108]  ? check_preemption_disabled+0x48/0x280
[  298.805114]  ? __lock_is_held+0xb5/0x140
[  298.809162]  __alloc_pages_nodemask+0xad8/0xea0
[  298.813817]  ? zap_class+0x640/0x640
[  298.817525]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  298.822544]  ? find_held_lock+0x36/0x1c0
[  298.826604]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.831261]  ? lock_downgrade+0x900/0x900
[  298.835399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.840925]  cache_grow_begin+0xa5/0x8c0
[  298.844967]  ? do_raw_spin_unlock+0xa7/0x330
[  298.849370]  fallback_alloc+0x204/0x2e0
[  298.853338]  ____cache_alloc_node+0x1c7/0x1e0
[  298.857826]  kmem_cache_alloc_node+0xe3/0x730
[  298.862306]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.866532]  __alloc_skb+0x119/0x770
[  298.870243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.875507]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.879899]  ? lock_downgrade+0x900/0x900
[  298.884038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.889563]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.895025]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.900462]  ? addrconf_rs_timer+0x690/0x690
[  298.904864]  ndisc_alloc_skb+0x144/0x340
[  298.908919]  ndisc_send_rs+0x331/0x6e0
[  298.912809]  addrconf_rs_timer+0x314/0x690
[  298.917034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.921266]  call_timer_fn+0x272/0x920
[  298.925143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.929369]  ? process_timeout+0x40/0x40
[  298.933424]  ? __run_timers+0x7da/0xc70
[  298.937388]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.941873]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.946356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.950575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.955148]  ? trace_hardirqs_on+0xbd/0x310
[  298.959456]  ? kasan_check_read+0x11/0x20
[  298.963585]  ? __run_timers+0x7da/0xc70
[  298.967546]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.972653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.976881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.981103]  __run_timers+0x7e5/0xc70
[  298.984905]  ? timer_fixup_init+0x70/0x70
[  298.989041]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.994047]  ? zap_class+0x640/0x640
[  298.997749]  ? enqueue_hrtimer+0x1a5/0x560
[  299.001970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.007152]  ? find_held_lock+0x36/0x1c0
[  299.011204]  ? zap_class+0x640/0x640
[  299.014907]  ? pvclock_read_flags+0x160/0x160
[  299.019391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.024932]  ? check_preemption_disabled+0x48/0x280
[  299.029943]  ? __lock_is_held+0xb5/0x140
[  299.033992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.039515]  ? check_preemption_disabled+0x48/0x280
[  299.044519]  run_timer_softirq+0x52/0xb0
[  299.048563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.053565]  __do_softirq+0x308/0xb7e
[  299.057362]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.061845]  ? lock_downgrade+0x900/0x900
[  299.065986]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.071082]  ? pvclock_read_flags+0x160/0x160
[  299.075576]  ? lapic_next_event+0x5a/0x90
[  299.079723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.085250]  ? kvm_clock_read+0x18/0x30
[  299.089210]  ? kvm_sched_clock_read+0x9/0x20
[  299.093603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.099133]  ? check_preemption_disabled+0x48/0x280
[  299.104144]  irq_exit+0x17f/0x1c0
[  299.107585]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.112422]  ? smp_reschedule_interrupt+0x109/0x650
[  299.117428]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.123295]  ? interrupt_entry+0xb5/0xc0
[  299.127346]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.132344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.137350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.142180]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.147180]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.152180]  ? task_prio+0x50/0x50
[  299.155708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.161232]  ? check_preemption_disabled+0x48/0x280
[  299.166250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.171081]  apic_timer_interrupt+0xf/0x20
[  299.175296]  </IRQ>
[  299.177524] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  299.182440] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  299.201326] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  299.209019] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  299.216271] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  299.223523] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  299.230776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  299.238028] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  299.245308]  skb_clone+0x1bb/0x500
[  299.248832]  ? finish_task_switch+0x615/0x910
[  299.253317]  ? skb_split+0x11e0/0x11e0
[  299.257192]  ? preempt_notifier_register+0x200/0x200
[  299.262275]  ? __switch_to_asm+0x34/0x70
[  299.266324]  ? __switch_to_asm+0x34/0x70
[  299.270371]  ? __switch_to_asm+0x40/0x70
[  299.274431]  ? __switch_to_asm+0x34/0x70
[  299.278479]  ? __switch_to_asm+0x40/0x70
[  299.282523]  ? __switch_to_asm+0x34/0x70
[  299.286565]  ? __switch_to_asm+0x40/0x70
[  299.290617]  ? __switch_to_asm+0x34/0x70
[  299.294662]  ? __switch_to_asm+0x34/0x70
[  299.298706]  ? __switch_to_asm+0x40/0x70
[  299.302760]  ? __switch_to_asm+0x34/0x70
[  299.306830]  bpf_clone_redirect+0xb9/0x490
[  299.311058]  ? __schedule+0x8d7/0x21d0
[  299.314947]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  299.319958]  ? __sched_text_start+0x8/0x8
[  299.324098]  ? retint_kernel+0x2d/0x2d
[  299.327985]  ? find_held_lock+0x36/0x1c0
[  299.332039]  ? lock_acquire+0x1ed/0x520
[  299.336004]  ? bpf_test_run+0x3ee/0x7a0
[  299.339964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.345499]  ? check_preemption_disabled+0x48/0x280
[  299.350514]  ? kasan_check_read+0x11/0x20
[  299.354648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.359909]  ? rcu_softirq_qs+0x20/0x20
[  299.363867]  ? preempt_schedule+0x4d/0x60
[  299.368000]  ? ___preempt_schedule+0x16/0x18
[  299.372400]  ? bpf_test_run+0x271/0x7a0
[  299.376368]  ? eth_type_trans+0x2ea/0x760
[  299.380503]  ? netlink_diag_dump+0x2a0/0x2a0
[  299.384898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.390418]  ? bpf_test_init.isra.10+0x70/0x100
[  299.395076]  ? bpf_prog_test_run_skb+0x762/0xd60
[  299.399818]  ? apparmor_cred_transfer+0x590/0x590
[  299.404647]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  299.409478]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  299.414997]  ? fput+0x130/0x1a0
[  299.418265]  ? __bpf_prog_get+0x9b/0x290
[  299.422314]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  299.427142]  ? bpf_prog_test_run+0x130/0x1a0
[  299.431536]  ? __x64_sys_bpf+0x3d8/0x520
[  299.435590]  ? bpf_prog_get+0x20/0x20
[  299.439400]  ? do_syscall_64+0x1b9/0x820
[  299.443453]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  299.448803]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.453717]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.458718]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  299.463735]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  299.470383]  ? __switch_to_asm+0x40/0x70
[  299.474427]  ? __switch_to_asm+0x34/0x70
[  299.478478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.483312]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  299.488671] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  299.488728] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.495489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.495495] Call Trace:
[  299.502041] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.511306]  <IRQ>
[  299.513866] syz-executor4 cpuset=syz4 mems_allowed=0
[  299.524327]  dump_stack+0x244/0x39d
[  299.535148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.540332]  warn_alloc.cold.116+0xb7/0x1bd
[  299.544727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.549559]  ? lock_downgrade+0x900/0x900
[  299.553710]  ? trace_hardirqs_off+0xb8/0x310
[  299.558113]  ? trace_hardirqs_off+0xb8/0x310
[  299.562515]  __alloc_pages_slowpath+0x2651/0x2de0
[  299.567364]  ? warn_alloc+0x120/0x120
[  299.571157]  ? warn_alloc+0x120/0x120
[  299.574965]  ? warn_alloc+0x120/0x120
[  299.578766]  ? print_usage_bug+0xc0/0xc0
[  299.582818]  ? print_usage_bug+0xc0/0xc0
[  299.586863]  ? ktime_get+0x2c1/0x400
[  299.590568]  ? check_preemption_disabled+0x48/0x280
[  299.595580]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.600067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.605594]  ? should_fail+0x22d/0xd01
[  299.609466]  ? kasan_check_read+0x11/0x20
[  299.613601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.618687]  ? __lock_acquire+0x62f/0x4c20
[  299.622917]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.628021]  ? should_fail+0x22d/0xd01
[  299.631893]  ? print_usage_bug+0xc0/0xc0
[  299.635945]  ? mark_held_locks+0x130/0x130
[  299.640169]  ? mark_held_locks+0x130/0x130
[  299.644387]  ? check_preemption_disabled+0x48/0x280
[  299.649394]  ? zap_class+0x640/0x640
[  299.653109]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.657854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.663632]  ? check_preemption_disabled+0x48/0x280
[  299.668646]  ? __lock_is_held+0xb5/0x140
[  299.672698]  __alloc_pages_nodemask+0xad8/0xea0
[  299.677364]  ? zap_class+0x640/0x640
[  299.681078]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  299.686103]  ? find_held_lock+0x36/0x1c0
[  299.690155]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.694808]  ? lock_downgrade+0x900/0x900
[  299.698949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.704476]  cache_grow_begin+0xa5/0x8c0
[  299.708523]  ? do_raw_spin_unlock+0xa7/0x330
[  299.712922]  fallback_alloc+0x204/0x2e0
[  299.716889]  ____cache_alloc_node+0x1c7/0x1e0
[  299.721376]  kmem_cache_alloc_node+0xe3/0x730
[  299.725853]  ? __kmalloc_node_track_caller+0x50/0x70
[  299.730943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.736467]  __alloc_skb+0x119/0x770
[  299.740166]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.745519]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.749922]  ? vprintk_default+0x28/0x30
[  299.753975]  ? vprintk_func+0x85/0x181
[  299.757854]  ? printk+0xa7/0xcf
[  299.761122]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  299.765871]  new_skb+0x26/0x1c0
[  299.769138]  aoecmd_cfg+0x279/0x7f0
[  299.772757]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  299.777074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.782609]  ? __lock_is_held+0xb5/0x140
[  299.786665]  discover_timer+0x50/0x60
[  299.790456]  call_timer_fn+0x272/0x920
[  299.794331]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  299.799162]  ? process_timeout+0x40/0x40
[  299.803214]  ? mark_held_locks+0xc7/0x130
[  299.807349]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.811835]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.816318]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  299.821143]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.825710]  ? trace_hardirqs_on+0xbd/0x310
[  299.830016]  ? kasan_check_read+0x11/0x20
[  299.834146]  ? __run_timers+0x7da/0xc70
[  299.838106]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.843203]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  299.848028]  __run_timers+0x7e5/0xc70
[  299.851826]  ? timer_fixup_init+0x70/0x70
[  299.855966]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.860970]  ? zap_class+0x640/0x640
[  299.864676]  ? print_usage_bug+0xc0/0xc0
[  299.868724]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.873911]  ? find_held_lock+0x36/0x1c0
[  299.877969]  ? zap_class+0x640/0x640
[  299.881674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.887197]  ? check_preemption_disabled+0x48/0x280
[  299.892209]  ? __lock_is_held+0xb5/0x140
[  299.896257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.901779]  ? check_preemption_disabled+0x48/0x280
[  299.906785]  run_timer_softirq+0x52/0xb0
[  299.910847]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.915852]  __do_softirq+0x308/0xb7e
[  299.919643]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.924213]  ? lock_downgrade+0x900/0x900
[  299.928351]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.933443]  ? pvclock_read_flags+0x160/0x160
[  299.937930]  ? lapic_next_event+0x5a/0x90
[  299.942071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.947613]  ? kvm_clock_read+0x18/0x30
[  299.951571]  ? kvm_sched_clock_read+0x9/0x20
[  299.955965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.961487]  ? check_preemption_disabled+0x48/0x280
[  299.966499]  irq_exit+0x17f/0x1c0
[  299.969939]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.974770]  ? smp_reschedule_interrupt+0x109/0x650
[  299.979786]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.985652]  ? interrupt_entry+0xb5/0xc0
[  299.989697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.994701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.999700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.004528]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.009546]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.014567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.019414]  apic_timer_interrupt+0xf/0x20
[  300.023643]  </IRQ>
[  300.025866] RIP: 0010:dump_stack+0x358/0x39d
[  300.030261] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  300.049147] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  300.056842] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  300.064099] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  300.071354] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  300.078637] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  300.085895] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  300.093160]  ? dump_stack+0x34f/0x39d
[  300.096970]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.102155]  ? mark_held_locks+0x130/0x130
[  300.106376]  ? mark_held_locks+0x130/0x130
[  300.110600]  dump_header+0x27b/0xf72
[  300.114307]  ? pagefault_out_of_memory+0x197/0x197
[  300.119247]  ? __lock_acquire+0x62f/0x4c20
[  300.123470]  ? percpu_ref_get_many+0x240/0x240
[  300.128044]  ? print_usage_bug+0xc0/0xc0
[  300.132093]  ? zap_class+0x640/0x640
[  300.135795]  ? print_usage_bug+0xc0/0xc0
[  300.139857]  ? print_usage_bug+0xc0/0xc0
[  300.143905]  ? zap_class+0x640/0x640
[  300.147607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.153149]  ? find_held_lock+0x36/0x1c0
[  300.157206]  ? mark_held_locks+0xc7/0x130
[  300.161342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  300.166430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  300.171519]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.176114]  ? trace_hardirqs_on+0xbd/0x310
[  300.180423]  ? kasan_check_read+0x11/0x20
[  300.184556]  ? ___ratelimit+0x3b4/0x672
[  300.188514]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.193610]  ? trace_hardirqs_on+0x310/0x310
[  300.198005]  ? lock_downgrade+0x900/0x900
[  300.202165]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.207255]  ? ___ratelimit+0x3b9/0x672
[  300.211219]  ? idr_get_free+0xf70/0xf70
[  300.215181]  ? find_held_lock+0x36/0x1c0
[  300.219240]  oom_kill_process.cold.27+0x10/0x903
[  300.223988]  ? zap_class+0x640/0x640
[  300.227694]  ? check_preemption_disabled+0x48/0x280
[  300.232703]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.237621]  ? kasan_check_read+0x11/0x20
[  300.241774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.247052]  ? oom_evaluate_task+0x540/0x540
[  300.251450]  ? find_held_lock+0x36/0x1c0
[  300.255505]  ? out_of_memory+0x974/0x1430
[  300.259656]  ? lock_downgrade+0x900/0x900
[  300.263790]  ? check_preemption_disabled+0x48/0x280
[  300.268791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.273710]  ? kasan_check_read+0x11/0x20
[  300.277848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.283129]  ? rcu_softirq_qs+0x20/0x20
[  300.287095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.292617]  ? oom_evaluate_task+0x302/0x540
[  300.297015]  out_of_memory+0xa84/0x1430
[  300.300989]  ? oom_killer_disable+0x3a0/0x3a0
[  300.305470]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  300.310389]  ? __ww_mutex_check_waiters+0x160/0x160
[  300.315396]  __alloc_pages_slowpath+0x232c/0x2de0
[  300.320245]  ? warn_alloc+0x120/0x120
[  300.324036]  ? mark_held_locks+0x130/0x130
[  300.328258]  ? find_get_entry+0xaae/0x1120
[  300.332496]  ? filemap_map_pages+0x1a20/0x1a20
[  300.337072]  ? zap_class+0x640/0x640
[  300.340777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.346303]  ? check_preemption_disabled+0x48/0x280
[  300.351308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.356830]  ? should_fail+0x22d/0xd01
[  300.360709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.365797]  ? zap_class+0x640/0x640
[  300.369521]  ? __lock_is_held+0xb5/0x140
[  300.373585]  ? mark_held_locks+0x130/0x130
[  300.377814]  ? lock_release+0xa00/0xa00
[  300.381780]  ? perf_trace_sched_process_exec+0x860/0x860
[  300.387216]  ? xa_load+0x2ba/0x460
[  300.390753]  ? lock_downgrade+0x900/0x900
[  300.394889]  ? __might_sleep+0x95/0x190
[  300.398850]  __alloc_pages_nodemask+0xad8/0xea0
[  300.403514]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  300.408519]  ? __page_cache_alloc+0x191/0x5c0
[  300.412996]  ? xa_load+0x2e1/0x460
[  300.416532]  ? xa_clear_mark+0x40/0x40
[  300.420433]  ? zap_class+0x640/0x640
[  300.424134]  ? zap_class+0x640/0x640
[  300.427832]  ? zap_class+0x640/0x640
[  300.431531]  ? __do_page_cache_readahead+0x663/0x810
[  300.436620]  ? find_held_lock+0x36/0x1c0
[  300.440667]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  300.446190]  alloc_pages_current+0x173/0x350
[  300.450586]  __page_cache_alloc+0x38c/0x5c0
[  300.454890]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.459803]  ? kasan_check_read+0x11/0x20
[  300.463934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.469199]  ? generic_perform_write+0x6a0/0x6a0
[  300.473939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.479460]  ? check_preemption_disabled+0x48/0x280
[  300.484469]  filemap_fault+0x1595/0x25f0
[  300.488536]  ? __lock_page_or_retry+0xa00/0xa00
[  300.493190]  ? mark_held_locks+0x130/0x130
[  300.497414]  ? filemap_map_pages+0xd6b/0x1a20
[  300.501898]  ? lock_downgrade+0x900/0x900
[  300.506032]  ? check_preemption_disabled+0x48/0x280
[  300.511054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.515970]  ? kasan_check_read+0x11/0x20
[  300.520106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.525364]  ? rcu_softirq_qs+0x20/0x20
[  300.529457]  ? filemap_map_pages+0xd92/0x1a20
[  300.533953]  ? find_get_entries_tag+0x1400/0x1400
[  300.538783]  ? __kernel_text_address+0xd/0x40
[  300.543264]  ? unwind_get_return_address+0x61/0xa0
[  300.548187]  ? lock_acquire+0x1ed/0x520
[  300.552144]  ? ext4_filemap_fault+0x7a/0xad
[  300.556454]  ? lock_release+0xa00/0xa00
[  300.560517]  ? perf_trace_sched_process_exec+0x860/0x860
[  300.565951]  ? print_usage_bug+0xc0/0xc0
[  300.570005]  ? print_usage_bug+0xc0/0xc0
[  300.574052]  ? __x64_sys_read+0x73/0xb0
[  300.578018]  ? print_usage_bug+0xc0/0xc0
[  300.582075]  ? down_read+0x8d/0x120
[  300.585684]  ? ext4_filemap_fault+0x7a/0xad
[  300.589989]  ? __down_interruptible+0x700/0x700
[  300.594652]  ext4_filemap_fault+0x82/0xad
[  300.598786]  __do_fault+0x100/0x6b0
[  300.602411]  ? trace_hardirqs_on+0xbd/0x310
[  300.606722]  ? pmd_devmap_trans_unstable+0x220/0x220
[  300.611817]  ? mark_held_locks+0x130/0x130
[  300.616052]  ? mark_held_locks+0x130/0x130
[  300.620284]  ? do_syslog+0x147b/0x1690
[  300.624162]  ? do_syslog+0x309/0x1690
[  300.627948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.633476]  __handle_mm_fault+0x3ea0/0x5be0
[  300.637886]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  300.642717]  ? find_held_lock+0x36/0x1c0
[  300.646780]  ? zap_class+0x640/0x640
[  300.650485]  ? zap_class+0x640/0x640
[  300.654187]  ? find_held_lock+0x36/0x1c0
[  300.658241]  ? handle_mm_fault+0x42a/0xc70
[  300.662465]  ? lock_downgrade+0x900/0x900
[  300.666603]  ? check_preemption_disabled+0x48/0x280
[  300.671606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.676524]  ? kasan_check_read+0x11/0x20
[  300.680659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.685921]  ? rcu_softirq_qs+0x20/0x20
[  300.689881]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.694970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.701015]  ? check_preemption_disabled+0x48/0x280
[  300.706027]  handle_mm_fault+0x54f/0xc70
[  300.710079]  ? __handle_mm_fault+0x5be0/0x5be0
[  300.714648]  ? find_vma+0x34/0x190
[  300.718178]  __do_page_fault+0x5e8/0xe60
[  300.722223]  ? trace_hardirqs_off+0xb8/0x310
[  300.726620]  ? kernel_write+0x120/0x120
[  300.730586]  do_page_fault+0xf2/0x7e0
[  300.734371]  ? vmalloc_sync_all+0x30/0x30
[  300.738502]  ? error_entry+0x70/0xd0
[  300.742200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.747200]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.752117]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.757030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.761861]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.766860]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.772299]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.777306]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.782303]  ? page_fault+0x8/0x30
[  300.785829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.790658]  ? page_fault+0x8/0x30
[  300.794187]  page_fault+0x1e/0x30
[  300.797630] RIP: 0033:0x7f71188e71fd
[  300.801340] Code: Bad RIP value.
[  300.804691] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  300.810037] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  300.817292] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  300.824549] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  300.831802] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  300.839054] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  300.846327] warn_alloc_show_mem: 1 callbacks suppressed
[  300.846335] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  300.846337] Mem-Info:
[  300.846364] active_anon:46284 inactive_anon:276 isolated_anon:0
[  300.846364]  active_file:13 inactive_file:11 isolated_file:0
[  300.846364]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.846364]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  300.846364]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  300.846364]  free:13741 free_pcp:339 free_cma:0
[  300.851687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.851693] Call Trace:
[  300.858958] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.861339]  <IRQ>
[  300.894187] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  300.903537]  dump_stack+0x244/0x39d
[  300.906080] lowmem_reserve[]: 0 2818 6321 6321
[  300.933825]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.935944] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  300.962193]  warn_alloc.cold.116+0xb7/0x1bd
[  300.965796] lowmem_reserve[]: 0 0 3503 3503
[  300.970370]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.975522] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  301.003102]  ? lock_downgrade+0x900/0x900
[  301.007402] lowmem_reserve[]: 0 0 0 0
[  301.011821]  ? trace_hardirqs_off+0xb8/0x310
[  301.016628] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  301.045672]  ? trace_hardirqs_off+0xb8/0x310
[  301.049781] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  301.053563]  __alloc_pages_slowpath+0x2651/0x2de0
[  301.057932] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  301.071468]  ? warn_alloc+0x120/0x120
[  301.075825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.090976]  ? print_usage_bug+0xc0/0xc0
[  301.095786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.110684]  ? warn_alloc+0x120/0x120
[  301.114453] 358 total pagecache pages
[  301.114467] 0 pages in swap cache
[  301.123294]  ? warn_alloc+0x120/0x120
[  301.127321] Swap cache stats: add 0, delete 0, find 0/0
[  301.135871]  ? print_usage_bug+0xc0/0xc0
[  301.139638] Free swap  = 0kB
[  301.143421]  ? kvm_clock_read+0x18/0x30
[  301.146835] Total swap = 0kB
[  301.146841] 1965979 pages RAM
[  301.150620]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  301.155942] 0 pages HighMem/MovableOnly
[  301.155950] 342854 pages reserved
[  301.159988]  ? print_usage_bug+0xc0/0xc0
[  301.162985] 0 pages cma reserved
[  301.166938]  ? __lock_acquire+0x62f/0x4c20
[  301.169977] aoe: skb alloc failure
[  301.173020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.178028] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.181953]  ? should_fail+0x22d/0xd01
[  301.181966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.185395] rsyslogd cpuset=/ mems_allowed=0
[  301.189446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.234638]  ? __lock_acquire+0x62f/0x4c20
[  301.238862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.243947]  ? __lock_acquire+0x62f/0x4c20
[  301.248170]  ? should_fail+0x22d/0xd01
[  301.252043]  ? rcu_irq_exit+0x1a2/0x390
[  301.256011]  ? mark_held_locks+0x130/0x130
[  301.260232]  ? mark_held_locks+0x130/0x130
[  301.264464]  ? mark_held_locks+0xc7/0x130
[  301.268602]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  301.273603]  ? zap_class+0x640/0x640
[  301.277303]  ? print_usage_bug+0xc0/0xc0
[  301.281352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.286875]  ? check_preemption_disabled+0x48/0x280
[  301.291884]  ? __lock_is_held+0xb5/0x140
[  301.295933]  __alloc_pages_nodemask+0xad8/0xea0
[  301.300677]  ? zap_class+0x640/0x640
[  301.304385]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  301.309392]  ? find_held_lock+0x36/0x1c0
[  301.313452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.318122]  ? lock_downgrade+0x900/0x900
[  301.322265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.327790]  cache_grow_begin+0xa5/0x8c0
[  301.331838]  ? do_raw_spin_unlock+0xa7/0x330
[  301.336240]  fallback_alloc+0x204/0x2e0
[  301.340208]  ____cache_alloc_node+0x1c7/0x1e0
[  301.344691]  kmem_cache_alloc_node+0xe3/0x730
[  301.349173]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.353398]  __alloc_skb+0x119/0x770
[  301.357131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.362407]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.366810]  ? lock_downgrade+0x900/0x900
[  301.370966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.376496]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.381946]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.387384]  ? addrconf_rs_timer+0x690/0x690
[  301.391788]  ndisc_alloc_skb+0x144/0x340
[  301.395856]  ndisc_send_rs+0x331/0x6e0
[  301.399732]  addrconf_rs_timer+0x314/0x690
[  301.403954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.408179]  call_timer_fn+0x272/0x920
[  301.412056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.416282]  ? process_timeout+0x40/0x40
[  301.420334]  ? __run_timers+0x7da/0xc70
[  301.424292]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.428772]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.433264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.437483]  ? lockdep_hardirqs_on+0x296/0x5b0
[  301.442051]  ? trace_hardirqs_on+0xbd/0x310
[  301.446362]  ? kasan_check_read+0x11/0x20
[  301.450494]  ? __run_timers+0x7da/0xc70
[  301.454472]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.459568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.463786]  __run_timers+0x7e5/0xc70
[  301.467579]  ? timer_fixup_init+0x70/0x70
[  301.471716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.476718]  ? zap_class+0x640/0x640
[  301.480433]  ? enqueue_hrtimer+0x1a5/0x560
[  301.484653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.489840]  ? find_held_lock+0x36/0x1c0
[  301.493889]  ? zap_class+0x640/0x640
[  301.497591]  ? pvclock_read_flags+0x160/0x160
[  301.502073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.507595]  ? check_preemption_disabled+0x48/0x280
[  301.512605]  ? __lock_is_held+0xb5/0x140
[  301.516650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.522182]  ? check_preemption_disabled+0x48/0x280
[  301.527186]  run_timer_softirq+0x52/0xb0
[  301.531231]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.536231]  __do_softirq+0x308/0xb7e
[  301.540034]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  301.544515]  ? lock_downgrade+0x900/0x900
[  301.548655]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.553759]  ? pvclock_read_flags+0x160/0x160
[  301.558241]  ? lapic_next_event+0x5a/0x90
[  301.562377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.567910]  ? kvm_clock_read+0x18/0x30
[  301.571871]  ? kvm_sched_clock_read+0x9/0x20
[  301.576267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.581796]  ? check_preemption_disabled+0x48/0x280
[  301.586805]  irq_exit+0x17f/0x1c0
[  301.590246]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.595074]  ? smp_reschedule_interrupt+0x109/0x650
[  301.600074]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.605943]  ? interrupt_entry+0xb5/0xc0
[  301.609987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.614990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.619995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.624839]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.629842]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.634841]  ? task_prio+0x50/0x50
[  301.638369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.643900]  ? check_preemption_disabled+0x48/0x280
[  301.648906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.653742]  apic_timer_interrupt+0xf/0x20
[  301.657961]  </IRQ>
[  301.660198] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  301.665132] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  301.684017] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  301.691707] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  301.698979] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  301.706233] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  301.713498] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  301.720755] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  301.728041]  skb_clone+0x1bb/0x500
[  301.731578]  ? finish_task_switch+0x615/0x910
[  301.736059]  ? skb_split+0x11e0/0x11e0
[  301.739930]  ? preempt_notifier_register+0x200/0x200
[  301.745016]  ? __switch_to_asm+0x34/0x70
[  301.749070]  ? __switch_to_asm+0x34/0x70
[  301.753113]  ? __switch_to_asm+0x40/0x70
[  301.757160]  ? __switch_to_asm+0x34/0x70
[  301.761204]  ? __switch_to_asm+0x40/0x70
[  301.765251]  ? __switch_to_asm+0x34/0x70
[  301.769297]  ? __switch_to_asm+0x40/0x70
[  301.773362]  ? __switch_to_asm+0x34/0x70
[  301.777422]  ? __switch_to_asm+0x34/0x70
[  301.781469]  ? __switch_to_asm+0x40/0x70
[  301.785519]  ? __switch_to_asm+0x34/0x70
[  301.789572]  bpf_clone_redirect+0xb9/0x490
[  301.793795]  ? __schedule+0x8d7/0x21d0
[  301.797670]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  301.802674]  ? __sched_text_start+0x8/0x8
[  301.806804]  ? retint_kernel+0x2d/0x2d
[  301.810683]  ? find_held_lock+0x36/0x1c0
[  301.814736]  ? lock_acquire+0x1ed/0x520
[  301.818698]  ? bpf_test_run+0x3ee/0x7a0
[  301.822661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.828185]  ? check_preemption_disabled+0x48/0x280
[  301.833188]  ? kasan_check_read+0x11/0x20
[  301.837324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.842588]  ? rcu_softirq_qs+0x20/0x20
[  301.846549]  ? preempt_schedule+0x4d/0x60
[  301.850681]  ? ___preempt_schedule+0x16/0x18
[  301.855082]  ? bpf_test_run+0x271/0x7a0
[  301.859049]  ? eth_type_trans+0x2ea/0x760
[  301.863193]  ? netlink_diag_dump+0x2a0/0x2a0
[  301.867590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.873133]  ? bpf_test_init.isra.10+0x70/0x100
[  301.877793]  ? bpf_prog_test_run_skb+0x762/0xd60
[  301.882542]  ? apparmor_cred_transfer+0x590/0x590
[  301.887390]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.892224]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.897766]  ? fput+0x130/0x1a0
[  301.901127]  ? __bpf_prog_get+0x9b/0x290
[  301.905178]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.910008]  ? bpf_prog_test_run+0x130/0x1a0
[  301.914406]  ? __x64_sys_bpf+0x3d8/0x520
[  301.918454]  ? bpf_prog_get+0x20/0x20
[  301.922345]  ? do_syscall_64+0x1b9/0x820
[  301.926405]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  301.931756]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.936676]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.941686]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  301.946690]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  301.953351]  ? __switch_to_asm+0x40/0x70
[  301.957400]  ? __switch_to_asm+0x34/0x70
[  301.961450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.966279]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.971655] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  301.971711] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.978476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.978480] Call Trace:
[  301.978484]  <IRQ>
[  301.978496]  dump_stack+0x244/0x39d
[  301.978512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.985007] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.994311]  warn_alloc.cold.116+0xb7/0x1bd
[  301.996858] syz-executor4 cpuset=syz4 mems_allowed=0
[  301.999003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.032545]  ? lock_downgrade+0x900/0x900
[  302.036689]  ? trace_hardirqs_off+0xb8/0x310
[  302.041090]  ? trace_hardirqs_off+0xb8/0x310
[  302.045490]  __alloc_pages_slowpath+0x2651/0x2de0
[  302.050353]  ? warn_alloc+0x120/0x120
[  302.054160]  ? warn_alloc+0x120/0x120
[  302.057952]  ? __lock_acquire+0x62f/0x4c20
[  302.062172]  ? warn_alloc+0x120/0x120
[  302.065961]  ? print_usage_bug+0xc0/0xc0
[  302.070023]  ? print_usage_bug+0xc0/0xc0
[  302.074075]  ? mark_held_locks+0x130/0x130
[  302.078307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.083836]  ? should_fail+0x22d/0xd01
[  302.087706]  ? zap_class+0x640/0x640
[  302.091412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.096500]  ? __lock_acquire+0x62f/0x4c20
[  302.100720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.105807]  ? should_fail+0x22d/0xd01
[  302.109689]  ? mark_held_locks+0x130/0x130
[  302.113914]  ? mark_held_locks+0x130/0x130
[  302.118136]  ? lock_downgrade+0x900/0x900
[  302.122268]  ? zap_class+0x640/0x640
[  302.125977]  ? zap_class+0x640/0x640
[  302.129681]  ? zap_class+0x640/0x640
[  302.133382]  ? do_raw_spin_unlock+0xa7/0x330
[  302.137777]  ? trace_hardirqs_on+0x310/0x310
[  302.142172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.147695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.153220]  ? check_preemption_disabled+0x48/0x280
[  302.158225]  ? __lock_is_held+0xb5/0x140
[  302.162278]  __alloc_pages_nodemask+0xad8/0xea0
[  302.166935]  ? zap_class+0x640/0x640
[  302.170636]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  302.175646]  ? find_held_lock+0x36/0x1c0
[  302.179697]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.184357]  ? lock_downgrade+0x900/0x900
[  302.188494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.194028]  cache_grow_begin+0xa5/0x8c0
[  302.198075]  ? do_raw_spin_unlock+0xa7/0x330
[  302.202475]  fallback_alloc+0x204/0x2e0
[  302.206439]  ____cache_alloc_node+0x1c7/0x1e0
[  302.210924]  kmem_cache_alloc_node+0xe3/0x730
[  302.215402]  ? __kmalloc_node_track_caller+0x50/0x70
[  302.220493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.226022]  __alloc_skb+0x119/0x770
[  302.229721]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.235072]  ? netdev_alloc_frag+0x1f0/0x1f0
[  302.239473]  ? vprintk_default+0x28/0x30
[  302.243523]  ? vprintk_func+0x85/0x181
[  302.247397]  ? printk+0xa7/0xcf
[  302.250670]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  302.255434]  new_skb+0x26/0x1c0
[  302.258707]  aoecmd_cfg+0x279/0x7f0
[  302.262330]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  302.266650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.272194]  ? __lock_is_held+0xb5/0x140
[  302.276258]  discover_timer+0x50/0x60
[  302.280041]  call_timer_fn+0x272/0x920
[  302.283916]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  302.288746]  ? process_timeout+0x40/0x40
[  302.292804]  ? mark_held_locks+0xc7/0x130
[  302.296943]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.301428]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.305911]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  302.310743]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.315312]  ? trace_hardirqs_on+0xbd/0x310
[  302.319622]  ? kasan_check_read+0x11/0x20
[  302.323755]  ? __run_timers+0x7da/0xc70
[  302.327831]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.332936]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  302.337760]  __run_timers+0x7e5/0xc70
[  302.341557]  ? timer_fixup_init+0x70/0x70
[  302.345698]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.350710]  ? zap_class+0x640/0x640
[  302.354416]  ? print_usage_bug+0xc0/0xc0
[  302.358465]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  302.363648]  ? find_held_lock+0x36/0x1c0
[  302.367705]  ? zap_class+0x640/0x640
[  302.371408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.376937]  ? check_preemption_disabled+0x48/0x280
[  302.381948]  ? __lock_is_held+0xb5/0x140
[  302.386080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.391601]  ? check_preemption_disabled+0x48/0x280
[  302.396605]  run_timer_softirq+0x52/0xb0
[  302.400654]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.405658]  __do_softirq+0x308/0xb7e
[  302.409449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.413931]  ? lock_downgrade+0x900/0x900
[  302.418079]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.423175]  ? pvclock_read_flags+0x160/0x160
[  302.427657]  ? lapic_next_event+0x5a/0x90
[  302.431795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.437321]  ? kvm_clock_read+0x18/0x30
[  302.441301]  ? kvm_sched_clock_read+0x9/0x20
[  302.445703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.451226]  ? check_preemption_disabled+0x48/0x280
[  302.456233]  irq_exit+0x17f/0x1c0
[  302.459674]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.464501]  ? smp_reschedule_interrupt+0x109/0x650
[  302.469504]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.475387]  ? interrupt_entry+0xb5/0xc0
[  302.479438]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.484440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.489443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.494272]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.499270]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.504281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.509202]  apic_timer_interrupt+0xf/0x20
[  302.513421]  </IRQ>
[  302.515647] RIP: 0010:dump_stack+0x358/0x39d
[  302.520062] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  302.539145] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  302.546842] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  302.554094] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  302.561349] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  302.568605] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  302.575860] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  302.583130]  ? dump_stack+0x34f/0x39d
[  302.586927]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.592104]  ? mark_held_locks+0x130/0x130
[  302.596330]  ? mark_held_locks+0x130/0x130
[  302.600555]  dump_header+0x27b/0xf72
[  302.604267]  ? pagefault_out_of_memory+0x197/0x197
[  302.609192]  ? __lock_acquire+0x62f/0x4c20
[  302.613418]  ? percpu_ref_get_many+0x240/0x240
[  302.618074]  ? print_usage_bug+0xc0/0xc0
[  302.622126]  ? zap_class+0x640/0x640
[  302.625834]  ? print_usage_bug+0xc0/0xc0
[  302.629891]  ? print_usage_bug+0xc0/0xc0
[  302.633939]  ? zap_class+0x640/0x640
[  302.637643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.643168]  ? find_held_lock+0x36/0x1c0
[  302.647224]  ? mark_held_locks+0xc7/0x130
[  302.651364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.656452]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.661541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.666108]  ? trace_hardirqs_on+0xbd/0x310
[  302.670414]  ? kasan_check_read+0x11/0x20
[  302.674566]  ? ___ratelimit+0x3b4/0x672
[  302.678533]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.683624]  ? trace_hardirqs_on+0x310/0x310
[  302.688016]  ? lock_downgrade+0x900/0x900
[  302.692155]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.697747]  ? ___ratelimit+0x3b9/0x672
[  302.701710]  ? idr_get_free+0xf70/0xf70
[  302.705670]  ? find_held_lock+0x36/0x1c0
[  302.709722]  oom_kill_process.cold.27+0x10/0x903
[  302.714465]  ? zap_class+0x640/0x640
[  302.718166]  ? check_preemption_disabled+0x48/0x280
[  302.723176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.728097]  ? kasan_check_read+0x11/0x20
[  302.732232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.737494]  ? oom_evaluate_task+0x540/0x540
[  302.741889]  ? find_held_lock+0x36/0x1c0
[  302.745944]  ? out_of_memory+0x974/0x1430
[  302.750082]  ? lock_downgrade+0x900/0x900
[  302.754217]  ? check_preemption_disabled+0x48/0x280
[  302.759218]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.764145]  ? kasan_check_read+0x11/0x20
[  302.768276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.773541]  ? rcu_softirq_qs+0x20/0x20
[  302.777504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.783022]  ? oom_evaluate_task+0x302/0x540
[  302.787419]  out_of_memory+0xa84/0x1430
[  302.791384]  ? oom_killer_disable+0x3a0/0x3a0
[  302.795863]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  302.800784]  ? __ww_mutex_check_waiters+0x160/0x160
[  302.805796]  __alloc_pages_slowpath+0x232c/0x2de0
[  302.810651]  ? warn_alloc+0x120/0x120
[  302.814439]  ? mark_held_locks+0x130/0x130
[  302.818665]  ? find_get_entry+0xaae/0x1120
[  302.822893]  ? filemap_map_pages+0x1a20/0x1a20
[  302.827463]  ? zap_class+0x640/0x640
[  302.831178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.836698]  ? check_preemption_disabled+0x48/0x280
[  302.841699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.847225]  ? should_fail+0x22d/0xd01
[  302.851099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.856193]  ? zap_class+0x640/0x640
[  302.859910]  ? __lock_is_held+0xb5/0x140
[  302.863965]  ? mark_held_locks+0x130/0x130
[  302.868188]  ? lock_release+0xa00/0xa00
[  302.872145]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.877584]  ? xa_load+0x2ba/0x460
[  302.881113]  ? lock_downgrade+0x900/0x900
[  302.885253]  ? __might_sleep+0x95/0x190
[  302.889215]  __alloc_pages_nodemask+0xad8/0xea0
[  302.893891]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  302.898896]  ? __page_cache_alloc+0x191/0x5c0
[  302.903383]  ? xa_load+0x2e1/0x460
[  302.906914]  ? xa_clear_mark+0x40/0x40
[  302.910788]  ? zap_class+0x640/0x640
[  302.914499]  ? zap_class+0x640/0x640
[  302.918205]  ? zap_class+0x640/0x640
[  302.921921]  ? __do_page_cache_readahead+0x663/0x810
[  302.927018]  ? find_held_lock+0x36/0x1c0
[  302.931067]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  302.936605]  alloc_pages_current+0x173/0x350
[  302.941001]  __page_cache_alloc+0x38c/0x5c0
[  302.945311]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.950224]  ? kasan_check_read+0x11/0x20
[  302.954374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.959643]  ? generic_perform_write+0x6a0/0x6a0
[  302.964388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.969912]  ? check_preemption_disabled+0x48/0x280
[  302.974918]  filemap_fault+0x1595/0x25f0
[  302.978975]  ? __lock_page_or_retry+0xa00/0xa00
[  302.983634]  ? mark_held_locks+0x130/0x130
[  302.987860]  ? filemap_map_pages+0xd6b/0x1a20
[  302.992341]  ? lock_downgrade+0x900/0x900
[  302.996482]  ? check_preemption_disabled+0x48/0x280
[  303.001495]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.006413]  ? kasan_check_read+0x11/0x20
[  303.010557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.015830]  ? rcu_softirq_qs+0x20/0x20
[  303.019825]  ? filemap_map_pages+0xd92/0x1a20
[  303.024319]  ? find_get_entries_tag+0x1400/0x1400
[  303.029170]  ? __kernel_text_address+0xd/0x40
[  303.033655]  ? unwind_get_return_address+0x61/0xa0
[  303.038582]  ? lock_acquire+0x1ed/0x520
[  303.042541]  ? ext4_filemap_fault+0x7a/0xad
[  303.046858]  ? lock_release+0xa00/0xa00
[  303.050820]  ? perf_trace_sched_process_exec+0x860/0x860
[  303.056272]  ? print_usage_bug+0xc0/0xc0
[  303.060328]  ? print_usage_bug+0xc0/0xc0
[  303.064374]  ? __x64_sys_read+0x73/0xb0
[  303.068337]  ? print_usage_bug+0xc0/0xc0
[  303.072398]  ? down_read+0x8d/0x120
[  303.076007]  ? ext4_filemap_fault+0x7a/0xad
[  303.080318]  ? __down_interruptible+0x700/0x700
[  303.084982]  ext4_filemap_fault+0x82/0xad
[  303.089115]  __do_fault+0x100/0x6b0
[  303.092724]  ? trace_hardirqs_on+0xbd/0x310
[  303.097032]  ? pmd_devmap_trans_unstable+0x220/0x220
[  303.102123]  ? mark_held_locks+0x130/0x130
[  303.106346]  ? mark_held_locks+0x130/0x130
[  303.110575]  ? do_syslog+0x147b/0x1690
[  303.114451]  ? do_syslog+0x309/0x1690
[  303.118236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.123761]  __handle_mm_fault+0x3ea0/0x5be0
[  303.128174]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  303.133011]  ? find_held_lock+0x36/0x1c0
[  303.137165]  ? zap_class+0x640/0x640
[  303.140865]  ? zap_class+0x640/0x640
[  303.144656]  ? find_held_lock+0x36/0x1c0
[  303.148725]  ? handle_mm_fault+0x42a/0xc70
[  303.153036]  ? lock_downgrade+0x900/0x900
[  303.157172]  ? check_preemption_disabled+0x48/0x280
[  303.162177]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.167090]  ? kasan_check_read+0x11/0x20
[  303.171228]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.176495]  ? rcu_softirq_qs+0x20/0x20
[  303.180456]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.185555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.191089]  ? check_preemption_disabled+0x48/0x280
[  303.196099]  handle_mm_fault+0x54f/0xc70
[  303.200154]  ? __handle_mm_fault+0x5be0/0x5be0
[  303.204730]  ? find_vma+0x34/0x190
[  303.208258]  __do_page_fault+0x5e8/0xe60
[  303.212310]  ? trace_hardirqs_off+0xb8/0x310
[  303.216704]  ? kernel_write+0x120/0x120
[  303.220675]  do_page_fault+0xf2/0x7e0
[  303.224470]  ? vmalloc_sync_all+0x30/0x30
[  303.228608]  ? error_entry+0x70/0xd0
[  303.232329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.237329]  ? trace_hardirqs_on_caller+0xc0/0x310
[  303.242250]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.247176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.252005]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.257006]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.262439]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.267455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  303.272455]  ? page_fault+0x8/0x30
[  303.275987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.280819]  ? page_fault+0x8/0x30
[  303.284365]  page_fault+0x1e/0x30
[  303.287808] RIP: 0033:0x7f71188e71fd
[  303.291521] Code: Bad RIP value.
[  303.294869] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  303.300222] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  303.307478] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  303.314732] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  303.321993] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  303.329245] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  303.336521] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  303.336525] warn_alloc_show_mem: 1 callbacks suppressed
[  303.336530] Mem-Info:
[  303.343785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.349140] active_anon:46284 inactive_anon:276 isolated_anon:0
[  303.349140]  active_file:13 inactive_file:11 isolated_file:0
[  303.349140]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.349140]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  303.349140]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  303.349140]  free:13741 free_pcp:339 free_cma:0
[  303.351506] Call Trace:
[  303.360867] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.393702]  <IRQ>
[  303.396266] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  303.423914]  dump_stack+0x244/0x39d
[  303.426025] lowmem_reserve[]: 0 2818 6321 6321
[  303.452120]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.455714] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  303.460288]  warn_alloc.cold.116+0xb7/0x1bd
[  303.465432] lowmem_reserve[]: 0 0 3503 3503
[  303.493003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.497292] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  303.501592]  ? lock_downgrade+0x900/0x900
[  303.506398] lowmem_reserve[]: 0 0 0 0
[  303.535447]  ? trace_hardirqs_off+0xb8/0x310
[  303.539560] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  303.543343]  ? trace_hardirqs_off+0xb8/0x310
[  303.547713] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  303.561220]  __alloc_pages_slowpath+0x2651/0x2de0
[  303.565589] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  303.580761]  ? warn_alloc+0x120/0x120
[  303.585559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.600445]  ? print_usage_bug+0xc0/0xc0
[  303.604215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.613028]  ? warn_alloc+0x120/0x120
[  303.617054] 358 total pagecache pages
[  303.625607]  ? warn_alloc+0x120/0x120
[  303.629394] 0 pages in swap cache
[  303.633182]  ? print_usage_bug+0xc0/0xc0
[  303.636945] Swap cache stats: add 0, delete 0, find 0/0
[  303.636951] Free swap  = 0kB
[  303.640383]  ? print_usage_bug+0xc0/0xc0
[  303.644404] Total swap = 0kB
[  303.644411] 1965979 pages RAM
[  303.649756]  ? __lock_acquire+0x62f/0x4c20
[  303.652744] 0 pages HighMem/MovableOnly
[  303.652751] 342854 pages reserved
[  303.656794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.659982] 0 pages cma reserved
[  303.660035] aoe: skb alloc failure
[  303.663078]  ? should_fail+0x22d/0xd01
[  303.667305] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.671244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.674659] rsyslogd cpuset=/ mems_allowed=0
[  303.680178]  ? __lock_acquire+0x62f/0x4c20
[  303.714599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.719686]  ? __lock_acquire+0x62f/0x4c20
[  303.723906]  ? should_fail+0x22d/0xd01
[  303.727790]  ? find_held_lock+0x36/0x1c0
[  303.731840]  ? mark_held_locks+0x130/0x130
[  303.736068]  ? mark_held_locks+0x130/0x130
[  303.740289]  ? zap_class+0x640/0x640
[  303.743990]  ? zap_class+0x640/0x640
[  303.747696]  ? print_usage_bug+0xc0/0xc0
[  303.751748]  ? do_raw_spin_unlock+0xa7/0x330
[  303.756139]  ? zap_class+0x640/0x640
[  303.759835]  ? print_usage_bug+0xc0/0xc0
[  303.763880]  ? wq_watchdog_touch+0x9c/0xfe
[  303.768108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.773641]  ? check_preemption_disabled+0x48/0x280
[  303.778663]  ? __lock_is_held+0xb5/0x140
[  303.782715]  __alloc_pages_nodemask+0xad8/0xea0
[  303.787374]  ? zap_class+0x640/0x640
[  303.791074]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  303.796085]  ? find_held_lock+0x36/0x1c0
[  303.800151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.804823]  ? lock_downgrade+0x900/0x900
[  303.808966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.814492]  cache_grow_begin+0xa5/0x8c0
[  303.818538]  ? do_raw_spin_unlock+0xa7/0x330
[  303.822946]  fallback_alloc+0x204/0x2e0
[  303.826911]  ____cache_alloc_node+0x1c7/0x1e0
[  303.831399]  kmem_cache_alloc_node+0xe3/0x730
[  303.835879]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.840107]  __alloc_skb+0x119/0x770
[  303.843811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.849079]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.853475]  ? lock_downgrade+0x900/0x900
[  303.857625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.863149]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.868587]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.874020]  ? addrconf_rs_timer+0x690/0x690
[  303.878422]  ndisc_alloc_skb+0x144/0x340
[  303.882479]  ndisc_send_rs+0x331/0x6e0
[  303.886355]  addrconf_rs_timer+0x314/0x690
[  303.890584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.894817]  call_timer_fn+0x272/0x920
[  303.898710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.902935]  ? process_timeout+0x40/0x40
[  303.906987]  ? __run_timers+0x7da/0xc70
[  303.910944]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.915421]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.919903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.924125]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.928696]  ? trace_hardirqs_on+0xbd/0x310
[  303.933005]  ? kasan_check_read+0x11/0x20
[  303.937142]  ? __run_timers+0x7da/0xc70
[  303.941104]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.946206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.950441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.954666]  __run_timers+0x7e5/0xc70
[  303.958461]  ? timer_fixup_init+0x70/0x70
[  303.962602]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.967607]  ? zap_class+0x640/0x640
[  303.971308]  ? enqueue_hrtimer+0x1a5/0x560
[  303.975549]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.980749]  ? find_held_lock+0x36/0x1c0
[  303.984801]  ? zap_class+0x640/0x640
[  303.988516]  ? pvclock_read_flags+0x160/0x160
[  303.992996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.998520]  ? check_preemption_disabled+0x48/0x280
[  304.003543]  ? __lock_is_held+0xb5/0x140
[  304.007591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.013118]  ? check_preemption_disabled+0x48/0x280
[  304.018128]  run_timer_softirq+0x52/0xb0
[  304.022175]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.027187]  __do_softirq+0x308/0xb7e
[  304.030989]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  304.035469]  ? lock_downgrade+0x900/0x900
[  304.039607]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.044699]  ? pvclock_read_flags+0x160/0x160
[  304.049181]  ? lapic_next_event+0x5a/0x90
[  304.053320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.058853]  ? kvm_clock_read+0x18/0x30
[  304.062818]  ? kvm_sched_clock_read+0x9/0x20
[  304.067219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.072741]  ? check_preemption_disabled+0x48/0x280
[  304.077757]  irq_exit+0x17f/0x1c0
[  304.081211]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.086040]  ? smp_reschedule_interrupt+0x109/0x650
[  304.091063]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.096932]  ? interrupt_entry+0xb5/0xc0
[  304.100979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.105982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.110985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.115816]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.120830]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.125833]  ? task_prio+0x50/0x50
[  304.129359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.134879]  ? check_preemption_disabled+0x48/0x280
[  304.139884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.144714]  apic_timer_interrupt+0xf/0x20
[  304.148929]  </IRQ>
[  304.151167] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  304.156098] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  304.174995] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  304.182693] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  304.189954] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  304.197213] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  304.204467] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  304.211718] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  304.218999]  skb_clone+0x1bb/0x500
[  304.222533]  ? finish_task_switch+0x615/0x910
[  304.227021]  ? skb_split+0x11e0/0x11e0
[  304.230908]  ? preempt_notifier_register+0x200/0x200
[  304.235993]  ? __switch_to_asm+0x34/0x70
[  304.240041]  ? __switch_to_asm+0x34/0x70
[  304.244090]  ? __switch_to_asm+0x40/0x70
[  304.248134]  ? __switch_to_asm+0x34/0x70
[  304.252187]  ? __switch_to_asm+0x40/0x70
[  304.256230]  ? __switch_to_asm+0x34/0x70
[  304.260276]  ? __switch_to_asm+0x40/0x70
[  304.264324]  ? __switch_to_asm+0x34/0x70
[  304.268378]  ? __switch_to_asm+0x34/0x70
[  304.272427]  ? __switch_to_asm+0x40/0x70
[  304.276472]  ? __switch_to_asm+0x34/0x70
[  304.280520]  bpf_clone_redirect+0xb9/0x490
[  304.284742]  ? __schedule+0x8d7/0x21d0
[  304.288622]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  304.293626]  ? __sched_text_start+0x8/0x8
[  304.297759]  ? retint_kernel+0x2d/0x2d
[  304.301638]  ? find_held_lock+0x36/0x1c0
[  304.305696]  ? lock_acquire+0x1ed/0x520
[  304.309660]  ? bpf_test_run+0x3ee/0x7a0
[  304.313633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.319246]  ? check_preemption_disabled+0x48/0x280
[  304.324252]  ? kasan_check_read+0x11/0x20
[  304.328386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.333647]  ? rcu_softirq_qs+0x20/0x20
[  304.337608]  ? preempt_schedule+0x4d/0x60
[  304.341749]  ? ___preempt_schedule+0x16/0x18
[  304.346146]  ? bpf_test_run+0x271/0x7a0
[  304.350121]  ? eth_type_trans+0x2ea/0x760
[  304.354258]  ? netlink_diag_dump+0x2a0/0x2a0
[  304.358651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.364181]  ? bpf_test_init.isra.10+0x70/0x100
[  304.368839]  ? bpf_prog_test_run_skb+0x762/0xd60
[  304.373583]  ? apparmor_cred_transfer+0x590/0x590
[  304.378415]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  304.383250]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.388773]  ? fput+0x130/0x1a0
[  304.392041]  ? __bpf_prog_get+0x9b/0x290
[  304.396088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  304.400920]  ? bpf_prog_test_run+0x130/0x1a0
[  304.405316]  ? __x64_sys_bpf+0x3d8/0x520
[  304.409365]  ? bpf_prog_get+0x20/0x20
[  304.413173]  ? do_syscall_64+0x1b9/0x820
[  304.417221]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  304.422591]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.427505]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.432505]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  304.437505]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  304.444155]  ? __switch_to_asm+0x40/0x70
[  304.448228]  ? __switch_to_asm+0x34/0x70
[  304.452284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.457120]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.462488] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  304.462559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.469312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.469316] Call Trace:
[  304.469320]  <IRQ>
[  304.469333]  dump_stack+0x244/0x39d
[  304.469348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.475847] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.485148]  warn_alloc.cold.116+0xb7/0x1bd
[  304.487710] syz-executor4 cpuset=syz4 mems_allowed=0
[  304.489839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.523260]  ? lock_downgrade+0x900/0x900
[  304.527551]  ? trace_hardirqs_off+0xb8/0x310
[  304.531952]  ? trace_hardirqs_off+0xb8/0x310
[  304.536355]  __alloc_pages_slowpath+0x2651/0x2de0
[  304.541204]  ? warn_alloc+0x120/0x120
[  304.544995]  ? warn_alloc+0x120/0x120
[  304.548784]  ? __lock_acquire+0x62f/0x4c20
[  304.553009]  ? warn_alloc+0x120/0x120
[  304.556794]  ? print_usage_bug+0xc0/0xc0
[  304.560840]  ? print_usage_bug+0xc0/0xc0
[  304.564890]  ? mark_held_locks+0x130/0x130
[  304.569118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.574639]  ? should_fail+0x22d/0xd01
[  304.578514]  ? zap_class+0x640/0x640
[  304.582223]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.587316]  ? __lock_acquire+0x62f/0x4c20
[  304.591538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.596629]  ? should_fail+0x22d/0xd01
[  304.600519]  ? mark_held_locks+0x130/0x130
[  304.604741]  ? mark_held_locks+0x130/0x130
[  304.608961]  ? lock_downgrade+0x900/0x900
[  304.613094]  ? zap_class+0x640/0x640
[  304.616793]  ? zap_class+0x640/0x640
[  304.620495]  ? zap_class+0x640/0x640
[  304.624197]  ? do_raw_spin_unlock+0xa7/0x330
[  304.628592]  ? trace_hardirqs_on+0x310/0x310
[  304.632989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.638514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.644044]  ? check_preemption_disabled+0x48/0x280
[  304.649057]  ? __lock_is_held+0xb5/0x140
[  304.653109]  __alloc_pages_nodemask+0xad8/0xea0
[  304.657765]  ? zap_class+0x640/0x640
[  304.661487]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  304.666498]  ? find_held_lock+0x36/0x1c0
[  304.670554]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.675218]  ? lock_downgrade+0x900/0x900
[  304.679365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.684894]  cache_grow_begin+0xa5/0x8c0
[  304.689034]  ? do_raw_spin_unlock+0xa7/0x330
[  304.693444]  fallback_alloc+0x204/0x2e0
[  304.697923]  ____cache_alloc_node+0x1c7/0x1e0
[  304.702418]  kmem_cache_alloc_node+0xe3/0x730
[  304.706900]  ? __kmalloc_node_track_caller+0x50/0x70
[  304.711991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.717521]  __alloc_skb+0x119/0x770
[  304.721219]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.726576]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.730978]  ? vprintk_default+0x28/0x30
[  304.735025]  ? vprintk_func+0x85/0x181
[  304.738896]  ? printk+0xa7/0xcf
[  304.742162]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  304.746913]  new_skb+0x26/0x1c0
[  304.750178]  aoecmd_cfg+0x279/0x7f0
[  304.753792]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  304.758109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.763654]  ? __lock_is_held+0xb5/0x140
[  304.767721]  discover_timer+0x50/0x60
[  304.771510]  call_timer_fn+0x272/0x920
[  304.775394]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  304.780227]  ? process_timeout+0x40/0x40
[  304.784286]  ? mark_held_locks+0xc7/0x130
[  304.788435]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.792913]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.797394]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  304.802221]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.806787]  ? trace_hardirqs_on+0xbd/0x310
[  304.811092]  ? kasan_check_read+0x11/0x20
[  304.815226]  ? __run_timers+0x7da/0xc70
[  304.819191]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.824290]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  304.829116]  __run_timers+0x7e5/0xc70
[  304.832916]  ? timer_fixup_init+0x70/0x70
[  304.837054]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.842063]  ? zap_class+0x640/0x640
[  304.845772]  ? print_usage_bug+0xc0/0xc0
[  304.849839]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.855020]  ? find_held_lock+0x36/0x1c0
[  304.859082]  ? zap_class+0x640/0x640
[  304.862801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.868341]  ? check_preemption_disabled+0x48/0x280
[  304.873353]  ? __lock_is_held+0xb5/0x140
[  304.877402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.882927]  ? check_preemption_disabled+0x48/0x280
[  304.887939]  run_timer_softirq+0x52/0xb0
[  304.892001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.897004]  __do_softirq+0x308/0xb7e
[  304.900800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  304.905284]  ? lock_downgrade+0x900/0x900
[  304.909427]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.914528]  ? pvclock_read_flags+0x160/0x160
[  304.919011]  ? lapic_next_event+0x5a/0x90
[  304.923149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.928679]  ? kvm_clock_read+0x18/0x30
[  304.932643]  ? kvm_sched_clock_read+0x9/0x20
[  304.937039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.942565]  ? check_preemption_disabled+0x48/0x280
[  304.947595]  irq_exit+0x17f/0x1c0
[  304.951047]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.955981]  ? smp_reschedule_interrupt+0x109/0x650
[  304.960990]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.966861]  ? interrupt_entry+0xb5/0xc0
[  304.970906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.975909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.980937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.985770]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.990772]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.995783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.000615]  apic_timer_interrupt+0xf/0x20
[  305.004840]  </IRQ>
[  305.007067] RIP: 0010:dump_stack+0x358/0x39d
[  305.011461] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  305.030344] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  305.038052] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  305.045307] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  305.052559] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  305.059825] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  305.067113] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  305.074379]  ? dump_stack+0x34f/0x39d
[  305.078174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.083353]  ? mark_held_locks+0x130/0x130
[  305.087577]  ? mark_held_locks+0x130/0x130
[  305.091803]  dump_header+0x27b/0xf72
[  305.095514]  ? pagefault_out_of_memory+0x197/0x197
[  305.100438]  ? __lock_acquire+0x62f/0x4c20
[  305.104657]  ? percpu_ref_get_many+0x240/0x240
[  305.109228]  ? print_usage_bug+0xc0/0xc0
[  305.113280]  ? zap_class+0x640/0x640
[  305.116981]  ? print_usage_bug+0xc0/0xc0
[  305.121029]  ? print_usage_bug+0xc0/0xc0
[  305.125081]  ? zap_class+0x640/0x640
[  305.128792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.134314]  ? find_held_lock+0x36/0x1c0
[  305.138396]  ? mark_held_locks+0xc7/0x130
[  305.142546]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.147639]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.152731]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.157299]  ? trace_hardirqs_on+0xbd/0x310
[  305.161613]  ? kasan_check_read+0x11/0x20
[  305.165748]  ? ___ratelimit+0x3b4/0x672
[  305.169711]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.174805]  ? trace_hardirqs_on+0x310/0x310
[  305.179208]  ? lock_downgrade+0x900/0x900
[  305.183348]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.188437]  ? ___ratelimit+0x3b9/0x672
[  305.192402]  ? idr_get_free+0xf70/0xf70
[  305.196361]  ? find_held_lock+0x36/0x1c0
[  305.200416]  oom_kill_process.cold.27+0x10/0x903
[  305.205163]  ? zap_class+0x640/0x640
[  305.208868]  ? check_preemption_disabled+0x48/0x280
[  305.213873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.218796]  ? kasan_check_read+0x11/0x20
[  305.222933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.228211]  ? oom_evaluate_task+0x540/0x540
[  305.232616]  ? find_held_lock+0x36/0x1c0
[  305.236667]  ? out_of_memory+0x974/0x1430
[  305.240803]  ? lock_downgrade+0x900/0x900
[  305.244956]  ? check_preemption_disabled+0x48/0x280
[  305.249965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.254878]  ? kasan_check_read+0x11/0x20
[  305.259009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.264289]  ? rcu_softirq_qs+0x20/0x20
[  305.268255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.273773]  ? oom_evaluate_task+0x302/0x540
[  305.278170]  out_of_memory+0xa84/0x1430
[  305.282138]  ? oom_killer_disable+0x3a0/0x3a0
[  305.286634]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  305.291550]  ? __ww_mutex_check_waiters+0x160/0x160
[  305.296563]  __alloc_pages_slowpath+0x232c/0x2de0
[  305.301419]  ? warn_alloc+0x120/0x120
[  305.305215]  ? mark_held_locks+0x130/0x130
[  305.309459]  ? find_get_entry+0xaae/0x1120
[  305.313689]  ? filemap_map_pages+0x1a20/0x1a20
[  305.318271]  ? zap_class+0x640/0x640
[  305.322105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.327628]  ? check_preemption_disabled+0x48/0x280
[  305.332634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.338160]  ? should_fail+0x22d/0xd01
[  305.342041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.347137]  ? zap_class+0x640/0x640
[  305.350862]  ? __lock_is_held+0xb5/0x140
[  305.354915]  ? mark_held_locks+0x130/0x130
[  305.359142]  ? lock_release+0xa00/0xa00
[  305.363109]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.368550]  ? xa_load+0x2ba/0x460
[  305.372105]  ? lock_downgrade+0x900/0x900
[  305.376245]  ? __might_sleep+0x95/0x190
[  305.380213]  __alloc_pages_nodemask+0xad8/0xea0
[  305.384879]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  305.389883]  ? __page_cache_alloc+0x191/0x5c0
[  305.394361]  ? xa_load+0x2e1/0x460
[  305.397890]  ? xa_clear_mark+0x40/0x40
[  305.401770]  ? zap_class+0x640/0x640
[  305.405475]  ? zap_class+0x640/0x640
[  305.409172]  ? zap_class+0x640/0x640
[  305.412874]  ? __do_page_cache_readahead+0x663/0x810
[  305.417976]  ? find_held_lock+0x36/0x1c0
[  305.422025]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  305.427550]  alloc_pages_current+0x173/0x350
[  305.431959]  __page_cache_alloc+0x38c/0x5c0
[  305.436262]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.441178]  ? kasan_check_read+0x11/0x20
[  305.445313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.450584]  ? generic_perform_write+0x6a0/0x6a0
[  305.455329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.460849]  ? check_preemption_disabled+0x48/0x280
[  305.465859]  filemap_fault+0x1595/0x25f0
[  305.469934]  ? __lock_page_or_retry+0xa00/0xa00
[  305.474603]  ? mark_held_locks+0x130/0x130
[  305.478836]  ? filemap_map_pages+0xd6b/0x1a20
[  305.483326]  ? lock_downgrade+0x900/0x900
[  305.487464]  ? check_preemption_disabled+0x48/0x280
[  305.492470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.497386]  ? kasan_check_read+0x11/0x20
[  305.501521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.506780]  ? rcu_softirq_qs+0x20/0x20
[  305.510751]  ? filemap_map_pages+0xd92/0x1a20
[  305.515238]  ? find_get_entries_tag+0x1400/0x1400
[  305.520071]  ? __kernel_text_address+0xd/0x40
[  305.524555]  ? unwind_get_return_address+0x61/0xa0
[  305.529488]  ? lock_acquire+0x1ed/0x520
[  305.533447]  ? ext4_filemap_fault+0x7a/0xad
[  305.537760]  ? lock_release+0xa00/0xa00
[  305.541717]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.547152]  ? print_usage_bug+0xc0/0xc0
[  305.551200]  ? print_usage_bug+0xc0/0xc0
[  305.555244]  ? __x64_sys_read+0x73/0xb0
[  305.559203]  ? print_usage_bug+0xc0/0xc0
[  305.563262]  ? down_read+0x8d/0x120
[  305.566893]  ? ext4_filemap_fault+0x7a/0xad
[  305.571217]  ? __down_interruptible+0x700/0x700
[  305.575978]  ext4_filemap_fault+0x82/0xad
[  305.580113]  __do_fault+0x100/0x6b0
[  305.583736]  ? trace_hardirqs_on+0xbd/0x310
[  305.588049]  ? pmd_devmap_trans_unstable+0x220/0x220
[  305.593158]  ? mark_held_locks+0x130/0x130
[  305.597381]  ? mark_held_locks+0x130/0x130
[  305.601604]  ? do_syslog+0x147b/0x1690
[  305.605489]  ? do_syslog+0x309/0x1690
[  305.609273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.614799]  __handle_mm_fault+0x3ea0/0x5be0
[  305.619202]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  305.624035]  ? find_held_lock+0x36/0x1c0
[  305.628111]  ? zap_class+0x640/0x640
[  305.631811]  ? zap_class+0x640/0x640
[  305.635518]  ? find_held_lock+0x36/0x1c0
[  305.639597]  ? handle_mm_fault+0x42a/0xc70
[  305.643823]  ? lock_downgrade+0x900/0x900
[  305.647963]  ? check_preemption_disabled+0x48/0x280
[  305.652972]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.657886]  ? kasan_check_read+0x11/0x20
[  305.662019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.667283]  ? rcu_softirq_qs+0x20/0x20
[  305.671246]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.676421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.681947]  ? check_preemption_disabled+0x48/0x280
[  305.686959]  handle_mm_fault+0x54f/0xc70
[  305.691024]  ? __handle_mm_fault+0x5be0/0x5be0
[  305.695615]  ? find_vma+0x34/0x190
[  305.699149]  __do_page_fault+0x5e8/0xe60
[  305.703197]  ? trace_hardirqs_off+0xb8/0x310
[  305.707601]  ? kernel_write+0x120/0x120
[  305.711572]  do_page_fault+0xf2/0x7e0
[  305.715455]  ? vmalloc_sync_all+0x30/0x30
[  305.719621]  ? error_entry+0x70/0xd0
[  305.723320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.728323]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.733236]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.738149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.742980]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.747983]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.753440]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.758444]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.763445]  ? page_fault+0x8/0x30
[  305.766973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.771801]  ? page_fault+0x8/0x30
[  305.775329]  page_fault+0x1e/0x30
[  305.778765] RIP: 0033:0x7f71188e71fd
[  305.782479] Code: Bad RIP value.
[  305.785827] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  305.791175] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  305.798429] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  305.805683] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  305.812940] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  305.820193] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  305.827465] warn_alloc_show_mem: 1 callbacks suppressed
[  305.827473] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  305.827474] Mem-Info:
[  305.827501] active_anon:46284 inactive_anon:276 isolated_anon:0
[  305.827501]  active_file:13 inactive_file:11 isolated_file:0
[  305.827501]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.827501]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  305.827501]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  305.827501]  free:13741 free_pcp:339 free_cma:0
[  305.832829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.840093] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.842473] Call Trace:
[  305.875320] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.884667]  <IRQ>
[  305.912306] lowmem_reserve[]: 0 2818 6321 6321
[  305.914877]  dump_stack+0x244/0x39d
[  305.940958] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  305.943097]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.947657] lowmem_reserve[]: 0 0 3503 3503
[  305.951274]  warn_alloc.cold.116+0xb7/0x1bd
[  305.978815] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  305.983989]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.988273] lowmem_reserve[]: 0 0 0 0
[  305.992592]  ? lock_downgrade+0x900/0x900
[  306.021615] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  306.026443]  ? trace_hardirqs_off+0xb8/0x310
[  306.030206] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  306.034341]  ? trace_hardirqs_off+0xb8/0x310
[  306.047825] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  306.052220]  __alloc_pages_slowpath+0x2651/0x2de0
[  306.067363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  306.071762]  ? warn_alloc+0x120/0x120
[  306.086627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  306.091448]  ? print_usage_bug+0xc0/0xc0
[  306.100249] 358 total pagecache pages
[  306.104041]  ? warn_alloc+0x120/0x120
[  306.112587] 0 pages in swap cache
[  306.116623]  ? warn_alloc+0x120/0x120
[  306.120391] Swap cache stats: add 0, delete 0, find 0/0
[  306.124166]  ? print_usage_bug+0xc0/0xc0
[  306.127584] Free swap  = 0kB
[  306.131365]  ? print_usage_bug+0xc0/0xc0
[  306.136689] Total swap = 0kB
[  306.140727]  ? __lock_acquire+0x62f/0x4c20
[  306.143714] 1965979 pages RAM
[  306.147754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.150736] 0 pages HighMem/MovableOnly
[  306.154952]  ? should_fail+0x22d/0xd01
[  306.158030] 342854 pages reserved
[  306.163551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.167493] 0 pages cma reserved
[  306.171359]  ? __lock_acquire+0x62f/0x4c20
[  306.174823] aoe: skb alloc failure
[  306.179868]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.179878]  ? __lock_acquire+0x62f/0x4c20
[  306.179890]  ? should_fail+0x22d/0xd01
[  306.183249] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.187440]  ? find_held_lock+0x36/0x1c0
[  306.190944] rsyslogd cpuset=/ mems_allowed=0
[  306.196040]  ? mark_held_locks+0x130/0x130
[  306.226771]  ? mark_held_locks+0x130/0x130
[  306.230993]  ? zap_class+0x640/0x640
[  306.234709]  ? zap_class+0x640/0x640
[  306.238413]  ? print_usage_bug+0xc0/0xc0
[  306.242459]  ? do_raw_spin_unlock+0xa7/0x330
[  306.246852]  ? zap_class+0x640/0x640
[  306.250560]  ? print_usage_bug+0xc0/0xc0
[  306.254614]  ? wq_watchdog_touch+0x9c/0xfe
[  306.258839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.264366]  ? check_preemption_disabled+0x48/0x280
[  306.269380]  ? __lock_is_held+0xb5/0x140
[  306.273449]  __alloc_pages_nodemask+0xad8/0xea0
[  306.278105]  ? zap_class+0x640/0x640
[  306.281810]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  306.286824]  ? find_held_lock+0x36/0x1c0
[  306.290879]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.295533]  ? lock_downgrade+0x900/0x900
[  306.299676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.305207]  cache_grow_begin+0xa5/0x8c0
[  306.309251]  ? do_raw_spin_unlock+0xa7/0x330
[  306.313667]  fallback_alloc+0x204/0x2e0
[  306.317636]  ____cache_alloc_node+0x1c7/0x1e0
[  306.322120]  kmem_cache_alloc_node+0xe3/0x730
[  306.326603]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.330829]  __alloc_skb+0x119/0x770
[  306.334526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.339792]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.344184]  ? lock_downgrade+0x900/0x900
[  306.348324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.353849]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.359293]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.364729]  ? addrconf_rs_timer+0x690/0x690
[  306.369131]  ndisc_alloc_skb+0x144/0x340
[  306.373181]  ndisc_send_rs+0x331/0x6e0
[  306.377062]  addrconf_rs_timer+0x314/0x690
[  306.381291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.385525]  call_timer_fn+0x272/0x920
[  306.389420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.393644]  ? process_timeout+0x40/0x40
[  306.397707]  ? __run_timers+0x7da/0xc70
[  306.401665]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.406143]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.410626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.414847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.419417]  ? trace_hardirqs_on+0xbd/0x310
[  306.423729]  ? kasan_check_read+0x11/0x20
[  306.427876]  ? __run_timers+0x7da/0xc70
[  306.431839]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.436933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.441158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.445379]  __run_timers+0x7e5/0xc70
[  306.449172]  ? timer_fixup_init+0x70/0x70
[  306.453303]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.458302]  ? zap_class+0x640/0x640
[  306.462015]  ? enqueue_hrtimer+0x1a5/0x560
[  306.466239]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.471425]  ? find_held_lock+0x36/0x1c0
[  306.475482]  ? zap_class+0x640/0x640
[  306.479189]  ? pvclock_read_flags+0x160/0x160
[  306.483676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.489214]  ? check_preemption_disabled+0x48/0x280
[  306.494222]  ? __lock_is_held+0xb5/0x140
[  306.498271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.503794]  ? check_preemption_disabled+0x48/0x280
[  306.508797]  run_timer_softirq+0x52/0xb0
[  306.512850]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.517854]  __do_softirq+0x308/0xb7e
[  306.521643]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.526125]  ? lock_downgrade+0x900/0x900
[  306.530779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.535876]  ? pvclock_read_flags+0x160/0x160
[  306.540363]  ? lapic_next_event+0x5a/0x90
[  306.544502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.550028]  ? kvm_clock_read+0x18/0x30
[  306.554015]  ? kvm_sched_clock_read+0x9/0x20
[  306.558415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.563942]  ? check_preemption_disabled+0x48/0x280
[  306.568957]  irq_exit+0x17f/0x1c0
[  306.572411]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.577244]  ? smp_reschedule_interrupt+0x109/0x650
[  306.582245]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.588118]  ? interrupt_entry+0xb5/0xc0
[  306.592170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.597169]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.602179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.607015]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.612018]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.617022]  ? task_prio+0x50/0x50
[  306.620553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.626080]  ? check_preemption_disabled+0x48/0x280
[  306.631089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.635937]  apic_timer_interrupt+0xf/0x20
[  306.640171]  </IRQ>
[  306.642397] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.647314] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  306.666201] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  306.673894] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.681165] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  306.688421] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  306.695982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.703242] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  306.710534]  skb_clone+0x1bb/0x500
[  306.714064]  ? finish_task_switch+0x615/0x910
[  306.718545]  ? skb_split+0x11e0/0x11e0
[  306.722419]  ? preempt_notifier_register+0x200/0x200
[  306.727504]  ? __switch_to_asm+0x34/0x70
[  306.731547]  ? __switch_to_asm+0x34/0x70
[  306.735594]  ? __switch_to_asm+0x40/0x70
[  306.739650]  ? __switch_to_asm+0x34/0x70
[  306.743696]  ? __switch_to_asm+0x40/0x70
[  306.747744]  ? __switch_to_asm+0x34/0x70
[  306.751790]  ? __switch_to_asm+0x40/0x70
[  306.755836]  ? __switch_to_asm+0x34/0x70
[  306.759884]  ? __switch_to_asm+0x34/0x70
[  306.763928]  ? __switch_to_asm+0x40/0x70
[  306.767983]  ? __switch_to_asm+0x34/0x70
[  306.772033]  bpf_clone_redirect+0xb9/0x490
[  306.776256]  ? __schedule+0x8d7/0x21d0
[  306.780134]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  306.785142]  ? __sched_text_start+0x8/0x8
[  306.789289]  ? retint_kernel+0x2d/0x2d
[  306.793173]  ? find_held_lock+0x36/0x1c0
[  306.797244]  ? lock_acquire+0x1ed/0x520
[  306.801208]  ? bpf_test_run+0x3ee/0x7a0
[  306.805168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.810701]  ? check_preemption_disabled+0x48/0x280
[  306.815704]  ? kasan_check_read+0x11/0x20
[  306.819841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.825104]  ? rcu_softirq_qs+0x20/0x20
[  306.829067]  ? preempt_schedule+0x4d/0x60
[  306.833201]  ? ___preempt_schedule+0x16/0x18
[  306.837600]  ? bpf_test_run+0x271/0x7a0
[  306.841584]  ? eth_type_trans+0x2ea/0x760
[  306.845742]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.850139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.855668]  ? bpf_test_init.isra.10+0x70/0x100
[  306.860347]  ? bpf_prog_test_run_skb+0x762/0xd60
[  306.865091]  ? apparmor_cred_transfer+0x590/0x590
[  306.869931]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.874774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.880299]  ? fput+0x130/0x1a0
[  306.883567]  ? __bpf_prog_get+0x9b/0x290
[  306.887617]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.892446]  ? bpf_prog_test_run+0x130/0x1a0
[  306.896844]  ? __x64_sys_bpf+0x3d8/0x520
[  306.900888]  ? bpf_prog_get+0x20/0x20
[  306.904686]  ? do_syscall_64+0x1b9/0x820
[  306.908735]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.914096]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.919015]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.924023]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.929027]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  306.935678]  ? __switch_to_asm+0x40/0x70
[  306.939727]  ? __switch_to_asm+0x34/0x70
[  306.943782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.948639]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.954069] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  306.954147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.960898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.960903] Call Trace:
[  306.960908]  <IRQ>
[  306.960922]  dump_stack+0x244/0x39d
[  306.960949]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.967456] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.976756]  warn_alloc.cold.116+0xb7/0x1bd
[  306.979302] syz-executor4 cpuset=syz4 mems_allowed=0
[  306.981430]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.014872]  ? lock_downgrade+0x900/0x900
[  307.019017]  ? trace_hardirqs_off+0xb8/0x310
[  307.023426]  ? trace_hardirqs_off+0xb8/0x310
[  307.027864]  __alloc_pages_slowpath+0x2651/0x2de0
[  307.032719]  ? warn_alloc+0x120/0x120
[  307.036513]  ? warn_alloc+0x120/0x120
[  307.040306]  ? __lock_acquire+0x62f/0x4c20
[  307.044533]  ? warn_alloc+0x120/0x120
[  307.048323]  ? print_usage_bug+0xc0/0xc0
[  307.052375]  ? print_usage_bug+0xc0/0xc0
[  307.056424]  ? mark_held_locks+0x130/0x130
[  307.060648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.066187]  ? should_fail+0x22d/0xd01
[  307.070061]  ? zap_class+0x640/0x640
[  307.073783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.078885]  ? __lock_acquire+0x62f/0x4c20
[  307.083117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.088221]  ? should_fail+0x22d/0xd01
[  307.092102]  ? mark_held_locks+0x130/0x130
[  307.096327]  ? mark_held_locks+0x130/0x130
[  307.100565]  ? lock_downgrade+0x900/0x900
[  307.104718]  ? zap_class+0x640/0x640
[  307.108434]  ? zap_class+0x640/0x640
[  307.112171]  ? zap_class+0x640/0x640
[  307.115874]  ? do_raw_spin_unlock+0xa7/0x330
[  307.120269]  ? trace_hardirqs_on+0x310/0x310
[  307.124667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.130205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.135732]  ? check_preemption_disabled+0x48/0x280
[  307.140744]  ? __lock_is_held+0xb5/0x140
[  307.144800]  __alloc_pages_nodemask+0xad8/0xea0
[  307.149458]  ? zap_class+0x640/0x640
[  307.153162]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  307.158177]  ? find_held_lock+0x36/0x1c0
[  307.162235]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.166892]  ? lock_downgrade+0x900/0x900
[  307.171029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.176571]  cache_grow_begin+0xa5/0x8c0
[  307.180618]  ? do_raw_spin_unlock+0xa7/0x330
[  307.185021]  fallback_alloc+0x204/0x2e0
[  307.188988]  ____cache_alloc_node+0x1c7/0x1e0
[  307.193478]  kmem_cache_alloc_node+0xe3/0x730
[  307.197961]  ? __kmalloc_node_track_caller+0x50/0x70
[  307.203054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.208584]  __alloc_skb+0x119/0x770
[  307.212394]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.217747]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.222148]  ? vprintk_default+0x28/0x30
[  307.226198]  ? vprintk_func+0x85/0x181
[  307.230160]  ? printk+0xa7/0xcf
[  307.233440]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  307.238188]  new_skb+0x26/0x1c0
[  307.241490]  aoecmd_cfg+0x279/0x7f0
[  307.245111]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  307.249421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.254959]  ? __lock_is_held+0xb5/0x140
[  307.259024]  discover_timer+0x50/0x60
[  307.262808]  call_timer_fn+0x272/0x920
[  307.266683]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.271515]  ? process_timeout+0x40/0x40
[  307.275573]  ? mark_held_locks+0xc7/0x130
[  307.279712]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.284190]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.288689]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.293523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.298095]  ? trace_hardirqs_on+0xbd/0x310
[  307.302493]  ? kasan_check_read+0x11/0x20
[  307.306630]  ? __run_timers+0x7da/0xc70
[  307.310595]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.315701]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  307.320532]  __run_timers+0x7e5/0xc70
[  307.324327]  ? timer_fixup_init+0x70/0x70
[  307.328465]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.333469]  ? zap_class+0x640/0x640
[  307.337173]  ? print_usage_bug+0xc0/0xc0
[  307.341232]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.346426]  ? find_held_lock+0x36/0x1c0
[  307.350478]  ? zap_class+0x640/0x640
[  307.354184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.359709]  ? check_preemption_disabled+0x48/0x280
[  307.364713]  ? __lock_is_held+0xb5/0x140
[  307.368761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.374290]  ? check_preemption_disabled+0x48/0x280
[  307.379300]  run_timer_softirq+0x52/0xb0
[  307.383348]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.388351]  __do_softirq+0x308/0xb7e
[  307.392141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.396623]  ? lock_downgrade+0x900/0x900
[  307.400766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.405861]  ? pvclock_read_flags+0x160/0x160
[  307.410350]  ? lapic_next_event+0x5a/0x90
[  307.414487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.420019]  ? kvm_clock_read+0x18/0x30
[  307.423979]  ? kvm_sched_clock_read+0x9/0x20
[  307.428378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.434013]  ? check_preemption_disabled+0x48/0x280
[  307.439030]  irq_exit+0x17f/0x1c0
[  307.442472]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.447317]  ? smp_reschedule_interrupt+0x109/0x650
[  307.452337]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.458209]  ? interrupt_entry+0xb5/0xc0
[  307.462257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.467260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.472266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.477094]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.482105]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.487117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.491954]  apic_timer_interrupt+0xf/0x20
[  307.496184]  </IRQ>
[  307.498417] RIP: 0010:dump_stack+0x358/0x39d
[  307.502819] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  307.521725] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  307.529422] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  307.536778] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  307.544036] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  307.551288] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  307.558543] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  307.565814]  ? dump_stack+0x34f/0x39d
[  307.569609]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.574794]  ? mark_held_locks+0x130/0x130
[  307.579024]  ? mark_held_locks+0x130/0x130
[  307.583252]  dump_header+0x27b/0xf72
[  307.586965]  ? pagefault_out_of_memory+0x197/0x197
[  307.591885]  ? __lock_acquire+0x62f/0x4c20
[  307.596114]  ? percpu_ref_get_many+0x240/0x240
[  307.600689]  ? print_usage_bug+0xc0/0xc0
[  307.604741]  ? zap_class+0x640/0x640
[  307.608447]  ? print_usage_bug+0xc0/0xc0
[  307.612509]  ? print_usage_bug+0xc0/0xc0
[  307.616561]  ? zap_class+0x640/0x640
[  307.620362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.625902]  ? find_held_lock+0x36/0x1c0
[  307.629959]  ? mark_held_locks+0xc7/0x130
[  307.634101]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.639192]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  307.644285]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.648859]  ? trace_hardirqs_on+0xbd/0x310
[  307.653178]  ? kasan_check_read+0x11/0x20
[  307.657311]  ? ___ratelimit+0x3b4/0x672
[  307.661276]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.666366]  ? trace_hardirqs_on+0x310/0x310
[  307.670770]  ? lock_downgrade+0x900/0x900
[  307.674925]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.680017]  ? ___ratelimit+0x3b9/0x672
[  307.683983]  ? idr_get_free+0xf70/0xf70
[  307.687950]  ? find_held_lock+0x36/0x1c0
[  307.692012]  oom_kill_process.cold.27+0x10/0x903
[  307.696758]  ? zap_class+0x640/0x640
[  307.700468]  ? check_preemption_disabled+0x48/0x280
[  307.705475]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.710395]  ? kasan_check_read+0x11/0x20
[  307.714531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.719798]  ? oom_evaluate_task+0x540/0x540
[  307.724198]  ? find_held_lock+0x36/0x1c0
[  307.728253]  ? out_of_memory+0x974/0x1430
[  307.732398]  ? lock_downgrade+0x900/0x900
[  307.736537]  ? check_preemption_disabled+0x48/0x280
[  307.741544]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.746462]  ? kasan_check_read+0x11/0x20
[  307.750599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.755864]  ? rcu_softirq_qs+0x20/0x20
[  307.759857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.765391]  ? oom_evaluate_task+0x302/0x540
[  307.769791]  out_of_memory+0xa84/0x1430
[  307.773760]  ? oom_killer_disable+0x3a0/0x3a0
[  307.778255]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  307.783174]  ? __ww_mutex_check_waiters+0x160/0x160
[  307.788190]  __alloc_pages_slowpath+0x232c/0x2de0
[  307.793038]  ? warn_alloc+0x120/0x120
[  307.796828]  ? mark_held_locks+0x130/0x130
[  307.801060]  ? find_get_entry+0xaae/0x1120
[  307.805296]  ? filemap_map_pages+0x1a20/0x1a20
[  307.809866]  ? zap_class+0x640/0x640
[  307.813578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.819102]  ? check_preemption_disabled+0x48/0x280
[  307.824110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.829633]  ? should_fail+0x22d/0xd01
[  307.833513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.838609]  ? zap_class+0x640/0x640
[  307.842330]  ? __lock_is_held+0xb5/0x140
[  307.846393]  ? mark_held_locks+0x130/0x130
[  307.850618]  ? lock_release+0xa00/0xa00
[  307.854580]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.860020]  ? xa_load+0x2ba/0x460
[  307.863549]  ? lock_downgrade+0x900/0x900
[  307.867689]  ? __might_sleep+0x95/0x190
[  307.871654]  __alloc_pages_nodemask+0xad8/0xea0
[  307.876322]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  307.881332]  ? __page_cache_alloc+0x191/0x5c0
[  307.885815]  ? xa_load+0x2e1/0x460
[  307.889342]  ? xa_clear_mark+0x40/0x40
[  307.893216]  ? zap_class+0x640/0x640
[  307.896927]  ? zap_class+0x640/0x640
[  307.900629]  ? zap_class+0x640/0x640
[  307.904337]  ? __do_page_cache_readahead+0x663/0x810
[  307.909435]  ? find_held_lock+0x36/0x1c0
[  307.913494]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  307.919029]  alloc_pages_current+0x173/0x350
[  307.923453]  __page_cache_alloc+0x38c/0x5c0
[  307.927763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.932687]  ? kasan_check_read+0x11/0x20
[  307.936827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.942097]  ? generic_perform_write+0x6a0/0x6a0
[  307.946848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.952384]  ? check_preemption_disabled+0x48/0x280
[  307.957397]  filemap_fault+0x1595/0x25f0
[  307.961474]  ? __lock_page_or_retry+0xa00/0xa00
[  307.966131]  ? mark_held_locks+0x130/0x130
[  307.970381]  ? filemap_map_pages+0xd6b/0x1a20
[  307.974869]  ? lock_downgrade+0x900/0x900
[  307.979008]  ? check_preemption_disabled+0x48/0x280
[  307.984021]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.988940]  ? kasan_check_read+0x11/0x20
[  307.993075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.998339]  ? rcu_softirq_qs+0x20/0x20
[  308.002312]  ? filemap_map_pages+0xd92/0x1a20
[  308.006827]  ? find_get_entries_tag+0x1400/0x1400
[  308.011669]  ? __kernel_text_address+0xd/0x40
[  308.016152]  ? unwind_get_return_address+0x61/0xa0
[  308.021085]  ? lock_acquire+0x1ed/0x520
[  308.025045]  ? ext4_filemap_fault+0x7a/0xad
[  308.029363]  ? lock_release+0xa00/0xa00
[  308.033327]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.038768]  ? print_usage_bug+0xc0/0xc0
[  308.042821]  ? print_usage_bug+0xc0/0xc0
[  308.046871]  ? __x64_sys_read+0x73/0xb0
[  308.050831]  ? print_usage_bug+0xc0/0xc0
[  308.054899]  ? down_read+0x8d/0x120
[  308.058512]  ? ext4_filemap_fault+0x7a/0xad
[  308.062823]  ? __down_interruptible+0x700/0x700
[  308.067494]  ext4_filemap_fault+0x82/0xad
[  308.071632]  __do_fault+0x100/0x6b0
[  308.075242]  ? trace_hardirqs_on+0xbd/0x310
[  308.079552]  ? pmd_devmap_trans_unstable+0x220/0x220
[  308.084643]  ? mark_held_locks+0x130/0x130
[  308.088954]  ? mark_held_locks+0x130/0x130
[  308.093177]  ? do_syslog+0x147b/0x1690
[  308.097052]  ? do_syslog+0x309/0x1690
[  308.100838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.106381]  __handle_mm_fault+0x3ea0/0x5be0
[  308.110787]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  308.115621]  ? find_held_lock+0x36/0x1c0
[  308.119773]  ? zap_class+0x640/0x640
[  308.123475]  ? zap_class+0x640/0x640
[  308.127180]  ? find_held_lock+0x36/0x1c0
[  308.131252]  ? handle_mm_fault+0x42a/0xc70
[  308.135493]  ? lock_downgrade+0x900/0x900
[  308.139630]  ? check_preemption_disabled+0x48/0x280
[  308.144637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.149553]  ? kasan_check_read+0x11/0x20
[  308.153707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.158972]  ? rcu_softirq_qs+0x20/0x20
[  308.162943]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.168039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.173579]  ? check_preemption_disabled+0x48/0x280
[  308.178592]  handle_mm_fault+0x54f/0xc70
[  308.182640]  ? __handle_mm_fault+0x5be0/0x5be0
[  308.187213]  ? find_vma+0x34/0x190
[  308.190743]  __do_page_fault+0x5e8/0xe60
[  308.194794]  ? trace_hardirqs_off+0xb8/0x310
[  308.199195]  ? kernel_write+0x120/0x120
[  308.203175]  do_page_fault+0xf2/0x7e0
[  308.206974]  ? vmalloc_sync_all+0x30/0x30
[  308.211111]  ? error_entry+0x70/0xd0
[  308.214820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.219831]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.224753]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.229672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.234503]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.239595]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.245032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.250036]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.255037]  ? page_fault+0x8/0x30
[  308.258586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.263416]  ? page_fault+0x8/0x30
[  308.266949]  page_fault+0x1e/0x30
[  308.270387] RIP: 0033:0x7f71188e71fd
[  308.274114] Code: Bad RIP value.
[  308.277467] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  308.282818] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  308.290083] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  308.297344] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  308.304599] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  308.311855] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  308.319137] warn_alloc_show_mem: 1 callbacks suppressed
[  308.319145] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  308.319146] Mem-Info:
[  308.319174] active_anon:46284 inactive_anon:276 isolated_anon:0
[  308.319174]  active_file:13 inactive_file:11 isolated_file:0
[  308.319174]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.319174]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  308.319174]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  308.319174]  free:13741 free_pcp:339 free_cma:0
[  308.324496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.324502] Call Trace:
[  308.331769] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.334162]  <IRQ>
[  308.367013] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  308.376352]  dump_stack+0x244/0x39d
[  308.378909] lowmem_reserve[]: 0 2818 6321 6321
[  308.406569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.408687] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  308.434784]  warn_alloc.cold.116+0xb7/0x1bd
[  308.438375] lowmem_reserve[]: 0 0 3503 3503
[  308.442959]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.448111] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  308.475800]  ? lock_downgrade+0x900/0x900
[  308.480092] lowmem_reserve[]: 0 0 0 0
[  308.484404]  ? trace_hardirqs_off+0xb8/0x310
[  308.489209] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  308.518250]  ? trace_hardirqs_off+0xb8/0x310
[  308.522362] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  308.526164]  __alloc_pages_slowpath+0x2651/0x2de0
[  308.530661] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  308.544201]  ? warn_alloc+0x120/0x120
[  308.548558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.563721]  ? print_usage_bug+0xc0/0xc0
[  308.568533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.583419]  ? warn_alloc+0x120/0x120
[  308.587186] 358 total pagecache pages
[  308.596001]  ? warn_alloc+0x120/0x120
[  308.600037] 0 pages in swap cache
[  308.608584]  ? print_usage_bug+0xc0/0xc0
[  308.612351] Swap cache stats: add 0, delete 0, find 0/0
[  308.616128]  ? print_usage_bug+0xc0/0xc0
[  308.619982] Free swap  = 0kB
[  308.623444]  ? __lock_acquire+0x62f/0x4c20
[  308.627477] Total swap = 0kB
[  308.632840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.636868] 1965979 pages RAM
[  308.639884]  ? should_fail+0x22d/0xd01
[  308.644079] 0 pages HighMem/MovableOnly
[  308.644085] 342854 pages reserved
[  308.647085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.652581] 0 pages cma reserved
[  308.652639] aoe: skb alloc failure
[  308.655674]  ? __lock_acquire+0x62f/0x4c20
[  308.659795] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.663488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.666907] rsyslogd cpuset=/ mems_allowed=0
[  308.671984]  ? __lock_acquire+0x62f/0x4c20
[  308.671997]  ? should_fail+0x22d/0xd01
[  308.710824]  ? find_held_lock+0x36/0x1c0
[  308.714880]  ? mark_held_locks+0x130/0x130
[  308.719107]  ? mark_held_locks+0x130/0x130
[  308.723338]  ? zap_class+0x640/0x640
[  308.727041]  ? zap_class+0x640/0x640
[  308.730748]  ? print_usage_bug+0xc0/0xc0
[  308.734805]  ? do_raw_spin_unlock+0xa7/0x330
[  308.739204]  ? zap_class+0x640/0x640
[  308.742995]  ? print_usage_bug+0xc0/0xc0
[  308.747043]  ? wq_watchdog_touch+0x9c/0xfe
[  308.751266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.756807]  ? check_preemption_disabled+0x48/0x280
[  308.761826]  ? __lock_is_held+0xb5/0x140
[  308.765880]  __alloc_pages_nodemask+0xad8/0xea0
[  308.770539]  ? zap_class+0x640/0x640
[  308.774250]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  308.779271]  ? find_held_lock+0x36/0x1c0
[  308.783342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.787999]  ? lock_downgrade+0x900/0x900
[  308.792145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.797677]  cache_grow_begin+0xa5/0x8c0
[  308.801722]  ? do_raw_spin_unlock+0xa7/0x330
[  308.806124]  fallback_alloc+0x204/0x2e0
[  308.810094]  ____cache_alloc_node+0x1c7/0x1e0
[  308.814580]  kmem_cache_alloc_node+0xe3/0x730
[  308.819080]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.823308]  __alloc_skb+0x119/0x770
[  308.827023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.832297]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.836698]  ? lock_downgrade+0x900/0x900
[  308.840839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.846368]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.851823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.857279]  ? addrconf_rs_timer+0x690/0x690
[  308.861700]  ndisc_alloc_skb+0x144/0x340
[  308.865752]  ndisc_send_rs+0x331/0x6e0
[  308.869641]  addrconf_rs_timer+0x314/0x690
[  308.873869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.878104]  call_timer_fn+0x272/0x920
[  308.881983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.886212]  ? process_timeout+0x40/0x40
[  308.890265]  ? __run_timers+0x7da/0xc70
[  308.894230]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.898728]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.903213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.907437]  ? lockdep_hardirqs_on+0x296/0x5b0
[  308.912008]  ? trace_hardirqs_on+0xbd/0x310
[  308.916315]  ? kasan_check_read+0x11/0x20
[  308.920453]  ? __run_timers+0x7da/0xc70
[  308.924423]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.929522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.933755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.937986]  __run_timers+0x7e5/0xc70
[  308.941799]  ? timer_fixup_init+0x70/0x70
[  308.945940]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.950944]  ? zap_class+0x640/0x640
[  308.954652]  ? enqueue_hrtimer+0x1a5/0x560
[  308.958878]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.964060]  ? find_held_lock+0x36/0x1c0
[  308.968112]  ? zap_class+0x640/0x640
[  308.971833]  ? pvclock_read_flags+0x160/0x160
[  308.976318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.981863]  ? check_preemption_disabled+0x48/0x280
[  308.986879]  ? __lock_is_held+0xb5/0x140
[  308.990931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.996454]  ? check_preemption_disabled+0x48/0x280
[  309.001460]  run_timer_softirq+0x52/0xb0
[  309.005506]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.010506]  __do_softirq+0x308/0xb7e
[  309.014300]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.018795]  ? lock_downgrade+0x900/0x900
[  309.022934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.028030]  ? pvclock_read_flags+0x160/0x160
[  309.032517]  ? lapic_next_event+0x5a/0x90
[  309.036652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.042182]  ? kvm_clock_read+0x18/0x30
[  309.046142]  ? kvm_sched_clock_read+0x9/0x20
[  309.050553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.056084]  ? check_preemption_disabled+0x48/0x280
[  309.061098]  irq_exit+0x17f/0x1c0
[  309.064551]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.069404]  ? smp_reschedule_interrupt+0x109/0x650
[  309.074406]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.080276]  ? interrupt_entry+0xb5/0xc0
[  309.084325]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.089360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.094366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.099201]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.104202]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.109203]  ? task_prio+0x50/0x50
[  309.112732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.118261]  ? check_preemption_disabled+0x48/0x280
[  309.123269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.128115]  apic_timer_interrupt+0xf/0x20
[  309.132332]  </IRQ>
[  309.134570] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.139490] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  309.158382] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  309.166078] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  309.173336] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  309.180599] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  309.187865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  309.195119] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  309.202408]  skb_clone+0x1bb/0x500
[  309.205945]  ? finish_task_switch+0x615/0x910
[  309.210433]  ? skb_split+0x11e0/0x11e0
[  309.214311]  ? preempt_notifier_register+0x200/0x200
[  309.219400]  ? __switch_to_asm+0x34/0x70
[  309.223450]  ? __switch_to_asm+0x34/0x70
[  309.227494]  ? __switch_to_asm+0x40/0x70
[  309.231544]  ? __switch_to_asm+0x34/0x70
[  309.235590]  ? __switch_to_asm+0x40/0x70
[  309.239652]  ? __switch_to_asm+0x34/0x70
[  309.243695]  ? __switch_to_asm+0x40/0x70
[  309.247752]  ? __switch_to_asm+0x34/0x70
[  309.251816]  ? __switch_to_asm+0x34/0x70
[  309.255862]  ? __switch_to_asm+0x40/0x70
[  309.259909]  ? __switch_to_asm+0x34/0x70
[  309.263962]  bpf_clone_redirect+0xb9/0x490
[  309.268188]  ? __schedule+0x8d7/0x21d0
[  309.272073]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  309.277077]  ? __sched_text_start+0x8/0x8
[  309.281211]  ? retint_kernel+0x2d/0x2d
[  309.285096]  ? find_held_lock+0x36/0x1c0
[  309.289150]  ? lock_acquire+0x1ed/0x520
[  309.293119]  ? bpf_test_run+0x3ee/0x7a0
[  309.297076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.302687]  ? check_preemption_disabled+0x48/0x280
[  309.307691]  ? kasan_check_read+0x11/0x20
[  309.311841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.317117]  ? rcu_softirq_qs+0x20/0x20
[  309.321081]  ? preempt_schedule+0x4d/0x60
[  309.325214]  ? ___preempt_schedule+0x16/0x18
[  309.329613]  ? bpf_test_run+0x271/0x7a0
[  309.333580]  ? eth_type_trans+0x2ea/0x760
[  309.337718]  ? netlink_diag_dump+0x2a0/0x2a0
[  309.342125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.347653]  ? bpf_test_init.isra.10+0x70/0x100
[  309.352334]  ? bpf_prog_test_run_skb+0x762/0xd60
[  309.357078]  ? apparmor_cred_transfer+0x590/0x590
[  309.361912]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.366763]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  309.372307]  ? fput+0x130/0x1a0
[  309.375583]  ? __bpf_prog_get+0x9b/0x290
[  309.379632]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.384462]  ? bpf_prog_test_run+0x130/0x1a0
[  309.388867]  ? __x64_sys_bpf+0x3d8/0x520
[  309.392935]  ? bpf_prog_get+0x20/0x20
[  309.396751]  ? do_syscall_64+0x1b9/0x820
[  309.400799]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  309.406165]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.411087]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.416098]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  309.421102]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  309.427759]  ? __switch_to_asm+0x40/0x70
[  309.431802]  ? __switch_to_asm+0x34/0x70
[  309.435853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.440687]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  309.446055] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  309.446129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.452979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.452983] Call Trace:
[  309.452987]  <IRQ>
[  309.453000]  dump_stack+0x244/0x39d
[  309.453016]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.459540] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.468822]  warn_alloc.cold.116+0xb7/0x1bd
[  309.471370] syz-executor4 cpuset=syz4 mems_allowed=0
[  309.473504]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.506946]  ? lock_downgrade+0x900/0x900
[  309.511087]  ? trace_hardirqs_off+0xb8/0x310
[  309.515495]  ? trace_hardirqs_off+0xb8/0x310
[  309.519894]  __alloc_pages_slowpath+0x2651/0x2de0
[  309.524751]  ? warn_alloc+0x120/0x120
[  309.528544]  ? warn_alloc+0x120/0x120
[  309.532336]  ? warn_alloc+0x120/0x120
[  309.536126]  ? print_usage_bug+0xc0/0xc0
[  309.540176]  ? warn_alloc+0x120/0x120
[  309.543964]  ? print_usage_bug+0xc0/0xc0
[  309.548025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.553551]  ? should_fail+0x22d/0xd01
[  309.557427]  ? __lock_acquire+0x62f/0x4c20
[  309.561650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.566745]  ? __lock_acquire+0x62f/0x4c20
[  309.570971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.576072]  ? __lock_acquire+0x62f/0x4c20
[  309.580291]  ? should_fail+0x22d/0xd01
[  309.584179]  ? mark_held_locks+0x130/0x130
[  309.588406]  ? mark_held_locks+0x130/0x130
[  309.592632]  ? try_to_wake_up+0x11c/0x1490
[  309.596873]  ? lock_downgrade+0x900/0x900
[  309.601009]  ? zap_class+0x640/0x640
[  309.604707]  ? print_usage_bug+0xc0/0xc0
[  309.608759]  ? trace_hardirqs_off+0xb8/0x310
[  309.613151]  ? kasan_check_read+0x11/0x20
[  309.617283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.622810]  ? check_preemption_disabled+0x48/0x280
[  309.627831]  ? __lock_is_held+0xb5/0x140
[  309.631884]  __alloc_pages_nodemask+0xad8/0xea0
[  309.636541]  ? zap_class+0x640/0x640
[  309.640251]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  309.645270]  ? find_held_lock+0x36/0x1c0
[  309.649330]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.653988]  ? lock_downgrade+0x900/0x900
[  309.658145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.663682]  cache_grow_begin+0xa5/0x8c0
[  309.667744]  ? do_raw_spin_unlock+0xa7/0x330
[  309.672170]  fallback_alloc+0x204/0x2e0
[  309.676146]  ____cache_alloc_node+0x1c7/0x1e0
[  309.680653]  kmem_cache_alloc_node+0xe3/0x730
[  309.685149]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.689400]  __alloc_skb+0x119/0x770
[  309.693122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.698397]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.702904]  ? lock_downgrade+0x900/0x900
[  309.707058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.712581]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.718021]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.723461]  ? addrconf_rs_timer+0x690/0x690
[  309.727865]  ndisc_alloc_skb+0x144/0x340
[  309.731937]  ndisc_send_rs+0x331/0x6e0
[  309.735815]  addrconf_rs_timer+0x314/0x690
[  309.740045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.744277]  call_timer_fn+0x272/0x920
[  309.748153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.752377]  ? process_timeout+0x40/0x40
[  309.756440]  ? mark_held_locks+0xc7/0x130
[  309.760582]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.765072]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.769570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.773805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.778377]  ? trace_hardirqs_on+0xbd/0x310
[  309.782696]  ? kasan_check_read+0x11/0x20
[  309.786846]  ? __run_timers+0x7da/0xc70
[  309.790808]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.795908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.800127]  __run_timers+0x7e5/0xc70
[  309.803923]  ? timer_fixup_init+0x70/0x70
[  309.808057]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.813062]  ? zap_class+0x640/0x640
[  309.816776]  ? print_usage_bug+0xc0/0xc0
[  309.820827]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.826010]  ? find_held_lock+0x36/0x1c0
[  309.830076]  ? zap_class+0x640/0x640
[  309.833786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.839314]  ? check_preemption_disabled+0x48/0x280
[  309.844331]  ? __lock_is_held+0xb5/0x140
[  309.848386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.853918]  ? check_preemption_disabled+0x48/0x280
[  309.858924]  run_timer_softirq+0x52/0xb0
[  309.862976]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.867984]  __do_softirq+0x308/0xb7e
[  309.871777]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.876262]  ? lock_downgrade+0x900/0x900
[  309.880404]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.885499]  ? pvclock_read_flags+0x160/0x160
[  309.889983]  ? lapic_next_event+0x5a/0x90
[  309.894123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.899654]  ? kvm_clock_read+0x18/0x30
[  309.903615]  ? kvm_sched_clock_read+0x9/0x20
[  309.908030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.913569]  ? check_preemption_disabled+0x48/0x280
[  309.918580]  irq_exit+0x17f/0x1c0
[  309.922026]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.926857]  ? smp_reschedule_interrupt+0x109/0x650
[  309.931863]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.937739]  ? interrupt_entry+0xb5/0xc0
[  309.941791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.946798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.951809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.956638]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.961637]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.966647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.971480]  apic_timer_interrupt+0xf/0x20
[  309.975703]  </IRQ>
[  309.977932] RIP: 0010:dump_stack+0x358/0x39d
[  309.982332] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  310.001222] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  310.008923] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  310.016202] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  310.023457] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  310.030714] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  310.037970] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  310.045234]  ? dump_stack+0x34f/0x39d
[  310.049046]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.054240]  ? mark_held_locks+0x130/0x130
[  310.058462]  ? mark_held_locks+0x130/0x130
[  310.062695]  dump_header+0x27b/0xf72
[  310.066404]  ? pagefault_out_of_memory+0x197/0x197
[  310.071330]  ? __lock_acquire+0x62f/0x4c20
[  310.075658]  ? percpu_ref_get_many+0x240/0x240
[  310.080235]  ? print_usage_bug+0xc0/0xc0
[  310.084296]  ? zap_class+0x640/0x640
[  310.088000]  ? print_usage_bug+0xc0/0xc0
[  310.092053]  ? print_usage_bug+0xc0/0xc0
[  310.096104]  ? zap_class+0x640/0x640
[  310.099807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.105333]  ? find_held_lock+0x36/0x1c0
[  310.109403]  ? mark_held_locks+0xc7/0x130
[  310.113540]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.118630]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.123721]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.128382]  ? trace_hardirqs_on+0xbd/0x310
[  310.132696]  ? kasan_check_read+0x11/0x20
[  310.136841]  ? ___ratelimit+0x3b4/0x672
[  310.140803]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.145908]  ? trace_hardirqs_on+0x310/0x310
[  310.150308]  ? lock_downgrade+0x900/0x900
[  310.154447]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.159539]  ? ___ratelimit+0x3b9/0x672
[  310.163501]  ? idr_get_free+0xf70/0xf70
[  310.167554]  ? find_held_lock+0x36/0x1c0
[  310.171612]  oom_kill_process.cold.27+0x10/0x903
[  310.176368]  ? zap_class+0x640/0x640
[  310.180072]  ? check_preemption_disabled+0x48/0x280
[  310.185077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.189989]  ? kasan_check_read+0x11/0x20
[  310.194118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.199394]  ? oom_evaluate_task+0x540/0x540
[  310.203792]  ? find_held_lock+0x36/0x1c0
[  310.207844]  ? out_of_memory+0x974/0x1430
[  310.211981]  ? lock_downgrade+0x900/0x900
[  310.216131]  ? check_preemption_disabled+0x48/0x280
[  310.221137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.226065]  ? kasan_check_read+0x11/0x20
[  310.230199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.235464]  ? rcu_softirq_qs+0x20/0x20
[  310.239426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.244955]  ? oom_evaluate_task+0x302/0x540
[  310.249353]  out_of_memory+0xa84/0x1430
[  310.253324]  ? oom_killer_disable+0x3a0/0x3a0
[  310.257824]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  310.262763]  ? __ww_mutex_check_waiters+0x160/0x160
[  310.267782]  __alloc_pages_slowpath+0x232c/0x2de0
[  310.272640]  ? warn_alloc+0x120/0x120
[  310.276442]  ? mark_held_locks+0x130/0x130
[  310.280682]  ? find_get_entry+0xaae/0x1120
[  310.284918]  ? filemap_map_pages+0x1a20/0x1a20
[  310.289500]  ? zap_class+0x640/0x640
[  310.293211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.298754]  ? check_preemption_disabled+0x48/0x280
[  310.303765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.309288]  ? should_fail+0x22d/0xd01
[  310.313162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.318257]  ? zap_class+0x640/0x640
[  310.321981]  ? __lock_is_held+0xb5/0x140
[  310.326038]  ? mark_held_locks+0x130/0x130
[  310.330263]  ? lock_release+0xa00/0xa00
[  310.334227]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.339671]  ? xa_load+0x2ba/0x460
[  310.343205]  ? lock_downgrade+0x900/0x900
[  310.347345]  ? __might_sleep+0x95/0x190
[  310.351313]  __alloc_pages_nodemask+0xad8/0xea0
[  310.355971]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  310.360975]  ? __page_cache_alloc+0x191/0x5c0
[  310.365456]  ? xa_load+0x2e1/0x460
[  310.368984]  ? xa_clear_mark+0x40/0x40
[  310.372863]  ? zap_class+0x640/0x640
[  310.376573]  ? zap_class+0x640/0x640
[  310.380271]  ? zap_class+0x640/0x640
[  310.383969]  ? __do_page_cache_readahead+0x663/0x810
[  310.389064]  ? find_held_lock+0x36/0x1c0
[  310.393119]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  310.398653]  alloc_pages_current+0x173/0x350
[  310.403048]  __page_cache_alloc+0x38c/0x5c0
[  310.407350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.412262]  ? kasan_check_read+0x11/0x20
[  310.416406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.421683]  ? generic_perform_write+0x6a0/0x6a0
[  310.426425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.431952]  ? check_preemption_disabled+0x48/0x280
[  310.436967]  filemap_fault+0x1595/0x25f0
[  310.441029]  ? __lock_page_or_retry+0xa00/0xa00
[  310.445687]  ? mark_held_locks+0x130/0x130
[  310.449913]  ? filemap_map_pages+0xd6b/0x1a20
[  310.454399]  ? lock_downgrade+0x900/0x900
[  310.458531]  ? check_preemption_disabled+0x48/0x280
[  310.463537]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.468450]  ? kasan_check_read+0x11/0x20
[  310.472583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.477852]  ? rcu_softirq_qs+0x20/0x20
[  310.481847]  ? filemap_map_pages+0xd92/0x1a20
[  310.486342]  ? find_get_entries_tag+0x1400/0x1400
[  310.491178]  ? __kernel_text_address+0xd/0x40
[  310.495662]  ? unwind_get_return_address+0x61/0xa0
[  310.500605]  ? lock_acquire+0x1ed/0x520
[  310.504567]  ? ext4_filemap_fault+0x7a/0xad
[  310.508878]  ? lock_release+0xa00/0xa00
[  310.512837]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.518271]  ? print_usage_bug+0xc0/0xc0
[  310.522317]  ? print_usage_bug+0xc0/0xc0
[  310.526532]  ? __x64_sys_read+0x73/0xb0
[  310.530495]  ? print_usage_bug+0xc0/0xc0
[  310.534554]  ? down_read+0x8d/0x120
[  310.538168]  ? ext4_filemap_fault+0x7a/0xad
[  310.542480]  ? __down_interruptible+0x700/0x700
[  310.547155]  ext4_filemap_fault+0x82/0xad
[  310.551292]  __do_fault+0x100/0x6b0
[  310.554906]  ? trace_hardirqs_on+0xbd/0x310
[  310.559215]  ? pmd_devmap_trans_unstable+0x220/0x220
[  310.564305]  ? mark_held_locks+0x130/0x130
[  310.568530]  ? mark_held_locks+0x130/0x130
[  310.572757]  ? do_syslog+0x147b/0x1690
[  310.576646]  ? do_syslog+0x309/0x1690
[  310.580435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.585959]  __handle_mm_fault+0x3ea0/0x5be0
[  310.590361]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  310.595202]  ? find_held_lock+0x36/0x1c0
[  310.599263]  ? zap_class+0x640/0x640
[  310.602965]  ? zap_class+0x640/0x640
[  310.606693]  ? find_held_lock+0x36/0x1c0
[  310.610753]  ? handle_mm_fault+0x42a/0xc70
[  310.614982]  ? lock_downgrade+0x900/0x900
[  310.619119]  ? check_preemption_disabled+0x48/0x280
[  310.624126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.629041]  ? kasan_check_read+0x11/0x20
[  310.633180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.638442]  ? rcu_softirq_qs+0x20/0x20
[  310.642404]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.647492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.653016]  ? check_preemption_disabled+0x48/0x280
[  310.658026]  handle_mm_fault+0x54f/0xc70
[  310.662084]  ? __handle_mm_fault+0x5be0/0x5be0
[  310.666663]  ? find_vma+0x34/0x190
[  310.670195]  __do_page_fault+0x5e8/0xe60
[  310.674243]  ? trace_hardirqs_off+0xb8/0x310
[  310.678639]  ? kernel_write+0x120/0x120
[  310.682638]  do_page_fault+0xf2/0x7e0
[  310.686430]  ? vmalloc_sync_all+0x30/0x30
[  310.690565]  ? error_entry+0x70/0xd0
[  310.694790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.699904]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.704826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.709855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.714778]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.719782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.725215]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.730218]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.735231]  ? page_fault+0x8/0x30
[  310.738765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.743597]  ? page_fault+0x8/0x30
[  310.747132]  page_fault+0x1e/0x30
[  310.750571] RIP: 0033:0x7f71188e71fd
[  310.754295] Code: Bad RIP value.
[  310.757650] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  310.762996] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  310.770251] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  310.777508] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  310.784764] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  310.792020] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  310.799293] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  310.799297] warn_alloc_show_mem: 1 callbacks suppressed
[  310.799302] Mem-Info:
[  310.806551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.811905] active_anon:46284 inactive_anon:276 isolated_anon:0
[  310.811905]  active_file:13 inactive_file:11 isolated_file:0
[  310.811905]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.811905]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  310.811905]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  310.811905]  free:13741 free_pcp:339 free_cma:0
[  310.814274] Call Trace:
[  310.823663] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.856498]  <IRQ>
[  310.859055] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.886712]  dump_stack+0x244/0x39d
[  310.888825] lowmem_reserve[]: 0 2818 6321 6321
[  310.914921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.918511] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  310.923086]  warn_alloc.cold.116+0xb7/0x1bd
[  310.928235] lowmem_reserve[]: 0 0 3503 3503
[  310.955914]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.960204] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  310.964508]  ? lock_downgrade+0x900/0x900
[  310.969316] lowmem_reserve[]: 0 0 0 0
[  310.998551]  ? trace_hardirqs_off+0xb8/0x310
[  311.002663] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  311.006451]  ? trace_hardirqs_off+0xb8/0x310
[  311.010824] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  311.024338]  __alloc_pages_slowpath+0x2651/0x2de0
[  311.028714] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  311.043886]  ? warn_alloc+0x120/0x120
[  311.048684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.063569]  ? print_usage_bug+0xc0/0xc0
[  311.067340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.076151]  ? warn_alloc+0x120/0x120
[  311.080176] 358 total pagecache pages
[  311.088734]  ? warn_alloc+0x120/0x120
[  311.092508] 0 pages in swap cache
[  311.096280]  ? print_usage_bug+0xc0/0xc0
[  311.100049] Swap cache stats: add 0, delete 0, find 0/0
[  311.103481]  ? kvm_clock_read+0x18/0x30
[  311.107507] Free swap  = 0kB
[  311.112850]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  311.116789] Total swap = 0kB
[  311.119803]  ? print_usage_bug+0xc0/0xc0
[  311.124781] 1965979 pages RAM
[  311.127796]  ? __lock_acquire+0x62f/0x4c20
[  311.131822] 0 pages HighMem/MovableOnly
[  311.134909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.139107] 342854 pages reserved
[  311.139113] 0 pages cma reserved
[  311.143068]  ? should_fail+0x22d/0xd01
[  311.148623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.152004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.152037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.155419] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.159243]  ? __lock_acquire+0x62f/0x4c20
[  311.165703] rsyslogd cpuset=/ mems_allowed=0
[  311.170962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.199725]  ? __lock_acquire+0x62f/0x4c20
[  311.203946]  ? should_fail+0x22d/0xd01
[  311.207822]  ? rcu_irq_exit+0x1a2/0x390
[  311.211793]  ? mark_held_locks+0x130/0x130
[  311.216030]  ? mark_held_locks+0x130/0x130
[  311.220271]  ? mark_held_locks+0xc7/0x130
[  311.224403]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  311.229407]  ? zap_class+0x640/0x640
[  311.233106]  ? print_usage_bug+0xc0/0xc0
[  311.237159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.242700]  ? check_preemption_disabled+0x48/0x280
[  311.247710]  ? __lock_is_held+0xb5/0x140
[  311.251777]  __alloc_pages_nodemask+0xad8/0xea0
[  311.256438]  ? zap_class+0x640/0x640
[  311.260141]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  311.265151]  ? find_held_lock+0x36/0x1c0
[  311.269210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.273871]  ? lock_downgrade+0x900/0x900
[  311.278017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.283545]  cache_grow_begin+0xa5/0x8c0
[  311.287603]  ? do_raw_spin_unlock+0xa7/0x330
[  311.292004]  fallback_alloc+0x204/0x2e0
[  311.295971]  ____cache_alloc_node+0x1c7/0x1e0
[  311.300461]  kmem_cache_alloc_node+0xe3/0x730
[  311.304949]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.309188]  __alloc_skb+0x119/0x770
[  311.312903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.318169]  ? netdev_alloc_frag+0x1f0/0x1f0
[  311.322566]  ? lock_downgrade+0x900/0x900
[  311.326719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.332244]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.337684]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.343119]  ? addrconf_rs_timer+0x690/0x690
[  311.347525]  ndisc_alloc_skb+0x144/0x340
[  311.351619]  ndisc_send_rs+0x331/0x6e0
[  311.355499]  addrconf_rs_timer+0x314/0x690
[  311.359728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.363957]  call_timer_fn+0x272/0x920
[  311.367828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.372045]  ? process_timeout+0x40/0x40
[  311.376100]  ? __run_timers+0x7da/0xc70
[  311.380062]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.384540]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.389028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.393249]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.397820]  ? trace_hardirqs_on+0xbd/0x310
[  311.402128]  ? kasan_check_read+0x11/0x20
[  311.406265]  ? __run_timers+0x7da/0xc70
[  311.410253]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.415349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.419585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.423807]  __run_timers+0x7e5/0xc70
[  311.427611]  ? timer_fixup_init+0x70/0x70
[  311.431750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.436755]  ? zap_class+0x640/0x640
[  311.440459]  ? enqueue_hrtimer+0x1a5/0x560
[  311.444678]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.449870]  ? find_held_lock+0x36/0x1c0
[  311.453923]  ? zap_class+0x640/0x640
[  311.457627]  ? pvclock_read_flags+0x160/0x160
[  311.462111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.467658]  ? check_preemption_disabled+0x48/0x280
[  311.472665]  ? __lock_is_held+0xb5/0x140
[  311.476717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.482245]  ? check_preemption_disabled+0x48/0x280
[  311.487251]  run_timer_softirq+0x52/0xb0
[  311.491298]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.496303]  __do_softirq+0x308/0xb7e
[  311.500089]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  311.504591]  ? lock_downgrade+0x900/0x900
[  311.508741]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  311.513834]  ? pvclock_read_flags+0x160/0x160
[  311.518321]  ? lapic_next_event+0x5a/0x90
[  311.522454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.527998]  ? kvm_clock_read+0x18/0x30
[  311.531963]  ? kvm_sched_clock_read+0x9/0x20
[  311.536359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.541886]  ? check_preemption_disabled+0x48/0x280
[  311.546909]  irq_exit+0x17f/0x1c0
[  311.550348]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.555177]  ? smp_reschedule_interrupt+0x109/0x650
[  311.560199]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.566067]  ? interrupt_entry+0xb5/0xc0
[  311.570113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.575118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.580140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.584971]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.589986]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.594989]  ? task_prio+0x50/0x50
[  311.598522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.604057]  ? check_preemption_disabled+0x48/0x280
[  311.609065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.613911]  apic_timer_interrupt+0xf/0x20
[  311.618125]  </IRQ>
[  311.620350] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.625267] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  311.644154] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  311.651846] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  311.659111] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  311.666370] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  311.673623] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  311.680876] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  311.688200]  skb_clone+0x1bb/0x500
[  311.691731]  ? finish_task_switch+0x615/0x910
[  311.696216]  ? skb_split+0x11e0/0x11e0
[  311.700091]  ? preempt_notifier_register+0x200/0x200
[  311.705178]  ? __switch_to_asm+0x34/0x70
[  311.709226]  ? __switch_to_asm+0x34/0x70
[  311.713269]  ? __switch_to_asm+0x40/0x70
[  311.717314]  ? __switch_to_asm+0x34/0x70
[  311.721363]  ? __switch_to_asm+0x40/0x70
[  311.725406]  ? __switch_to_asm+0x34/0x70
[  311.729448]  ? __switch_to_asm+0x40/0x70
[  311.733493]  ? __switch_to_asm+0x34/0x70
[  311.737551]  ? __switch_to_asm+0x34/0x70
[  311.741608]  ? __switch_to_asm+0x40/0x70
[  311.745650]  ? __switch_to_asm+0x34/0x70
[  311.749698]  bpf_clone_redirect+0xb9/0x490
[  311.753918]  ? __schedule+0x8d7/0x21d0
[  311.757796]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  311.762805]  ? __sched_text_start+0x8/0x8
[  311.766937]  ? retint_kernel+0x2d/0x2d
[  311.770834]  ? find_held_lock+0x36/0x1c0
[  311.774893]  ? lock_acquire+0x1ed/0x520
[  311.778862]  ? bpf_test_run+0x3ee/0x7a0
[  311.782929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.788453]  ? check_preemption_disabled+0x48/0x280
[  311.793465]  ? kasan_check_read+0x11/0x20
[  311.797604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.802868]  ? rcu_softirq_qs+0x20/0x20
[  311.806834]  ? preempt_schedule+0x4d/0x60
[  311.810988]  ? ___preempt_schedule+0x16/0x18
[  311.815389]  ? bpf_test_run+0x271/0x7a0
[  311.819365]  ? eth_type_trans+0x2ea/0x760
[  311.823505]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.827912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.833439]  ? bpf_test_init.isra.10+0x70/0x100
[  311.838109]  ? bpf_prog_test_run_skb+0x762/0xd60
[  311.842856]  ? apparmor_cred_transfer+0x590/0x590
[  311.847690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  311.852539]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  311.858074]  ? fput+0x130/0x1a0
[  311.861353]  ? __bpf_prog_get+0x9b/0x290
[  311.865405]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  311.870234]  ? bpf_prog_test_run+0x130/0x1a0
[  311.874709]  ? __x64_sys_bpf+0x3d8/0x520
[  311.878759]  ? bpf_prog_get+0x20/0x20
[  311.882655]  ? do_syscall_64+0x1b9/0x820
[  311.886703]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  311.892053]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.896975]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.901979]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.906985]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  311.913735]  ? __switch_to_asm+0x40/0x70
[  311.917781]  ? __switch_to_asm+0x34/0x70
[  311.921858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.926693]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  311.932051] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  311.932104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.938869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.938873] Call Trace:
[  311.938878]  <IRQ>
[  311.938892]  dump_stack+0x244/0x39d
[  311.938908]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.945415] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.954710]  warn_alloc.cold.116+0xb7/0x1bd
[  311.957256] syz-executor4 cpuset=syz4 mems_allowed=0
[  311.959405]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.992825]  ? lock_downgrade+0x900/0x900
[  311.996966]  ? trace_hardirqs_off+0xb8/0x310
[  312.001362]  ? trace_hardirqs_off+0xb8/0x310
[  312.005765]  __alloc_pages_slowpath+0x2651/0x2de0
[  312.010616]  ? warn_alloc+0x120/0x120
[  312.014406]  ? print_usage_bug+0xc0/0xc0
[  312.018459]  ? warn_alloc+0x120/0x120
[  312.022253]  ? warn_alloc+0x120/0x120
[  312.026043]  ? print_usage_bug+0xc0/0xc0
[  312.030101]  ? print_usage_bug+0xc0/0xc0
[  312.034155]  ? __lock_acquire+0x62f/0x4c20
[  312.038384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.043920]  ? should_fail+0x22d/0xd01
[  312.047798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.052890]  ? __lock_acquire+0x62f/0x4c20
[  312.057117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.062208]  ? __lock_acquire+0x62f/0x4c20
[  312.066425]  ? should_fail+0x22d/0xd01
[  312.070301]  ? find_held_lock+0x36/0x1c0
[  312.074358]  ? mark_held_locks+0x130/0x130
[  312.078586]  ? mark_held_locks+0x130/0x130
[  312.082805]  ? zap_class+0x640/0x640
[  312.086512]  ? zap_class+0x640/0x640
[  312.090218]  ? print_usage_bug+0xc0/0xc0
[  312.094265]  ? do_raw_spin_unlock+0xa7/0x330
[  312.098661]  ? zap_class+0x640/0x640
[  312.102361]  ? print_usage_bug+0xc0/0xc0
[  312.106406]  ? wq_watchdog_touch+0x9c/0xfe
[  312.110630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.116152]  ? check_preemption_disabled+0x48/0x280
[  312.121182]  ? __lock_is_held+0xb5/0x140
[  312.125234]  __alloc_pages_nodemask+0xad8/0xea0
[  312.129889]  ? zap_class+0x640/0x640
[  312.133592]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  312.138604]  ? find_held_lock+0x36/0x1c0
[  312.142662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.147326]  ? lock_downgrade+0x900/0x900
[  312.151469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.156998]  cache_grow_begin+0xa5/0x8c0
[  312.161063]  ? do_raw_spin_unlock+0xa7/0x330
[  312.165468]  fallback_alloc+0x204/0x2e0
[  312.169445]  ____cache_alloc_node+0x1c7/0x1e0
[  312.173933]  kmem_cache_alloc_node+0xe3/0x730
[  312.178415]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.182652]  __alloc_skb+0x119/0x770
[  312.186353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.191633]  ? netdev_alloc_frag+0x1f0/0x1f0
[  312.196027]  ? lock_downgrade+0x900/0x900
[  312.200259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.205784]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.211229]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.216668]  ? addrconf_rs_timer+0x690/0x690
[  312.221071]  ndisc_alloc_skb+0x144/0x340
[  312.225124]  ndisc_send_rs+0x331/0x6e0
[  312.229007]  addrconf_rs_timer+0x314/0x690
[  312.233251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.237483]  call_timer_fn+0x272/0x920
[  312.241363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.245587]  ? process_timeout+0x40/0x40
[  312.249650]  ? mark_held_locks+0xc7/0x130
[  312.253805]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.258291]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.262773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.267008]  ? lockdep_hardirqs_on+0x296/0x5b0
[  312.271580]  ? trace_hardirqs_on+0xbd/0x310
[  312.275896]  ? kasan_check_read+0x11/0x20
[  312.280032]  ? __run_timers+0x7da/0xc70
[  312.284016]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.289112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.293337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.297560]  __run_timers+0x7e5/0xc70
[  312.301362]  ? timer_fixup_init+0x70/0x70
[  312.305508]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  312.310523]  ? zap_class+0x640/0x640
[  312.314236]  ? print_usage_bug+0xc0/0xc0
[  312.318289]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  312.323473]  ? find_held_lock+0x36/0x1c0
[  312.327538]  ? zap_class+0x640/0x640
[  312.331245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.336766]  ? check_preemption_disabled+0x48/0x280
[  312.341776]  ? __lock_is_held+0xb5/0x140
[  312.345826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.351362]  ? check_preemption_disabled+0x48/0x280
[  312.356366]  run_timer_softirq+0x52/0xb0
[  312.360416]  ? rcu_read_lock_sched_held+0x14f/0x180
[  312.365418]  __do_softirq+0x308/0xb7e
[  312.369205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  312.373685]  ? lock_downgrade+0x900/0x900
[  312.377828]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  312.382928]  ? pvclock_read_flags+0x160/0x160
[  312.387414]  ? lapic_next_event+0x5a/0x90
[  312.391554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.397080]  ? kvm_clock_read+0x18/0x30
[  312.401043]  ? kvm_sched_clock_read+0x9/0x20
[  312.405453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.410981]  ? check_preemption_disabled+0x48/0x280
[  312.415999]  irq_exit+0x17f/0x1c0
[  312.419439]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.424265]  ? smp_reschedule_interrupt+0x109/0x650
[  312.429267]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.435140]  ? interrupt_entry+0xb5/0xc0
[  312.439187]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.444187]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.449192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.454023]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.459025]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.464039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.468880]  apic_timer_interrupt+0xf/0x20
[  312.473095]  </IRQ>
[  312.475324] RIP: 0010:dump_stack+0x358/0x39d
[  312.479725] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  312.498616] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  312.506317] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  312.513576] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  312.520829] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  312.528253] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  312.535508] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  312.542773]  ? dump_stack+0x34f/0x39d
[  312.546570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.551746]  ? mark_held_locks+0x130/0x130
[  312.555964]  ? mark_held_locks+0x130/0x130
[  312.560190]  dump_header+0x27b/0xf72
[  312.563902]  ? pagefault_out_of_memory+0x197/0x197
[  312.568836]  ? __lock_acquire+0x62f/0x4c20
[  312.573056]  ? percpu_ref_get_many+0x240/0x240
[  312.577630]  ? print_usage_bug+0xc0/0xc0
[  312.581686]  ? zap_class+0x640/0x640
[  312.585410]  ? print_usage_bug+0xc0/0xc0
[  312.589480]  ? print_usage_bug+0xc0/0xc0
[  312.593533]  ? zap_class+0x640/0x640
[  312.597235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.602764]  ? find_held_lock+0x36/0x1c0
[  312.606820]  ? mark_held_locks+0xc7/0x130
[  312.610956]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.616048]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.621137]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  312.625709]  ? trace_hardirqs_on+0xbd/0x310
[  312.630021]  ? kasan_check_read+0x11/0x20
[  312.634153]  ? ___ratelimit+0x3b4/0x672
[  312.638116]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.643223]  ? trace_hardirqs_on+0x310/0x310
[  312.647620]  ? lock_downgrade+0x900/0x900
[  312.651787]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.656890]  ? ___ratelimit+0x3b9/0x672
[  312.660854]  ? idr_get_free+0xf70/0xf70
[  312.664821]  ? find_held_lock+0x36/0x1c0
[  312.668878]  oom_kill_process.cold.27+0x10/0x903
[  312.673625]  ? zap_class+0x640/0x640
[  312.677327]  ? check_preemption_disabled+0x48/0x280
[  312.682330]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.687244]  ? kasan_check_read+0x11/0x20
[  312.691381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.697105]  ? oom_evaluate_task+0x540/0x540
[  312.701510]  ? find_held_lock+0x36/0x1c0
[  312.705570]  ? out_of_memory+0x974/0x1430
[  312.709723]  ? lock_downgrade+0x900/0x900
[  312.713861]  ? check_preemption_disabled+0x48/0x280
[  312.718865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.723787]  ? kasan_check_read+0x11/0x20
[  312.727925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.733189]  ? rcu_softirq_qs+0x20/0x20
[  312.737151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.742677]  ? oom_evaluate_task+0x302/0x540
[  312.747181]  out_of_memory+0xa84/0x1430
[  312.751148]  ? oom_killer_disable+0x3a0/0x3a0
[  312.755630]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  312.760554]  ? __ww_mutex_check_waiters+0x160/0x160
[  312.765594]  __alloc_pages_slowpath+0x232c/0x2de0
[  312.770443]  ? warn_alloc+0x120/0x120
[  312.774234]  ? mark_held_locks+0x130/0x130
[  312.778465]  ? find_get_entry+0xaae/0x1120
[  312.782695]  ? filemap_map_pages+0x1a20/0x1a20
[  312.787271]  ? zap_class+0x640/0x640
[  312.790990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.796518]  ? check_preemption_disabled+0x48/0x280
[  312.801522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.807042]  ? should_fail+0x22d/0xd01
[  312.810923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.816017]  ? zap_class+0x640/0x640
[  312.819740]  ? __lock_is_held+0xb5/0x140
[  312.823798]  ? mark_held_locks+0x130/0x130
[  312.828021]  ? lock_release+0xa00/0xa00
[  312.831984]  ? perf_trace_sched_process_exec+0x860/0x860
[  312.837422]  ? xa_load+0x2ba/0x460
[  312.840967]  ? lock_downgrade+0x900/0x900
[  312.845108]  ? __might_sleep+0x95/0x190
[  312.849076]  __alloc_pages_nodemask+0xad8/0xea0
[  312.853737]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  312.858745]  ? __page_cache_alloc+0x191/0x5c0
[  312.863238]  ? xa_load+0x2e1/0x460
[  312.866766]  ? xa_clear_mark+0x40/0x40
[  312.870654]  ? zap_class+0x640/0x640
[  312.874364]  ? zap_class+0x640/0x640
[  312.878063]  ? zap_class+0x640/0x640
[  312.881763]  ? __do_page_cache_readahead+0x663/0x810
[  312.886856]  ? find_held_lock+0x36/0x1c0
[  312.890911]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  312.896539]  alloc_pages_current+0x173/0x350
[  312.900940]  __page_cache_alloc+0x38c/0x5c0
[  312.905251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.910170]  ? kasan_check_read+0x11/0x20
[  312.914310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.919575]  ? generic_perform_write+0x6a0/0x6a0
[  312.924323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.929856]  ? check_preemption_disabled+0x48/0x280
[  312.934881]  filemap_fault+0x1595/0x25f0
[  312.938939]  ? __lock_page_or_retry+0xa00/0xa00
[  312.943600]  ? mark_held_locks+0x130/0x130
[  312.947844]  ? filemap_map_pages+0xd6b/0x1a20
[  312.952329]  ? lock_downgrade+0x900/0x900
[  312.956463]  ? check_preemption_disabled+0x48/0x280
[  312.961470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.966388]  ? kasan_check_read+0x11/0x20
[  312.970520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.975781]  ? rcu_softirq_qs+0x20/0x20
[  312.979776]  ? filemap_map_pages+0xd92/0x1a20
[  312.984275]  ? find_get_entries_tag+0x1400/0x1400
[  312.989110]  ? __kernel_text_address+0xd/0x40
[  312.993594]  ? unwind_get_return_address+0x61/0xa0
[  312.998521]  ? lock_acquire+0x1ed/0x520
[  313.002502]  ? ext4_filemap_fault+0x7a/0xad
[  313.006831]  ? lock_release+0xa00/0xa00
[  313.010791]  ? perf_trace_sched_process_exec+0x860/0x860
[  313.016232]  ? print_usage_bug+0xc0/0xc0
[  313.020285]  ? print_usage_bug+0xc0/0xc0
[  313.024335]  ? __x64_sys_read+0x73/0xb0
[  313.028301]  ? print_usage_bug+0xc0/0xc0
[  313.032359]  ? down_read+0x8d/0x120
[  313.035972]  ? ext4_filemap_fault+0x7a/0xad
[  313.040286]  ? __down_interruptible+0x700/0x700
[  313.044955]  ext4_filemap_fault+0x82/0xad
[  313.049095]  __do_fault+0x100/0x6b0
[  313.052717]  ? trace_hardirqs_on+0xbd/0x310
[  313.057026]  ? pmd_devmap_trans_unstable+0x220/0x220
[  313.062119]  ? mark_held_locks+0x130/0x130
[  313.066356]  ? mark_held_locks+0x130/0x130
[  313.070584]  ? do_syslog+0x147b/0x1690
[  313.074467]  ? do_syslog+0x309/0x1690
[  313.078259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.083792]  __handle_mm_fault+0x3ea0/0x5be0
[  313.088206]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  313.093053]  ? find_held_lock+0x36/0x1c0
[  313.097119]  ? zap_class+0x640/0x640
[  313.100824]  ? zap_class+0x640/0x640
[  313.104547]  ? find_held_lock+0x36/0x1c0
[  313.108690]  ? handle_mm_fault+0x42a/0xc70
[  313.112916]  ? lock_downgrade+0x900/0x900
[  313.117056]  ? check_preemption_disabled+0x48/0x280
[  313.122061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.126991]  ? kasan_check_read+0x11/0x20
[  313.131134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.136602]  ? rcu_softirq_qs+0x20/0x20
[  313.140564]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.145655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.151184]  ? check_preemption_disabled+0x48/0x280
[  313.156194]  handle_mm_fault+0x54f/0xc70
[  313.160252]  ? __handle_mm_fault+0x5be0/0x5be0
[  313.164828]  ? find_vma+0x34/0x190
[  313.168379]  __do_page_fault+0x5e8/0xe60
[  313.172435]  ? trace_hardirqs_off+0xb8/0x310
[  313.176840]  ? kernel_write+0x120/0x120
[  313.180814]  do_page_fault+0xf2/0x7e0
[  313.184609]  ? vmalloc_sync_all+0x30/0x30
[  313.188747]  ? error_entry+0x70/0xd0
[  313.192455]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.197546]  ? trace_hardirqs_on_caller+0xc0/0x310
[  313.202465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.207380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.212230]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.217237]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.222676]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.227681]  ? prepare_exit_to_usermode+0x291/0x3b0
[  313.232684]  ? page_fault+0x8/0x30
[  313.236211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.241042]  ? page_fault+0x8/0x30
[  313.244589]  page_fault+0x1e/0x30
[  313.248029] RIP: 0033:0x7f71188e71fd
[  313.251744] Code: Bad RIP value.
[  313.255092] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  313.260447] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  313.267708] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  313.274962] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  313.282221] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  313.289480] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  313.296770] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  313.296774] warn_alloc_show_mem: 1 callbacks suppressed
[  313.296780] Mem-Info:
[  313.304037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.304043] Call Trace:
[  313.309407] active_anon:46284 inactive_anon:276 isolated_anon:0
[  313.309407]  active_file:13 inactive_file:11 isolated_file:0
[  313.309407]  unevictable:0 dirty:0 writeback:0 unstable:0
[  313.309407]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  313.309407]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  313.309407]  free:13741 free_pcp:339 free_cma:0
[  313.311770]  <IRQ>
[  313.321121] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  313.323684]  dump_stack+0x244/0x39d
[  313.356528] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  313.358667]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.386294] lowmem_reserve[]: 0 2818 6321 6321
[  313.389914]  warn_alloc.cold.116+0xb7/0x1bd
[  313.415987] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  313.421161]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.425705] lowmem_reserve[]: 0 0 3503 3503
[  313.430013]  ? lock_downgrade+0x900/0x900
[  313.457571] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  313.462409]  ? trace_hardirqs_off+0xb8/0x310
[  313.466686] lowmem_reserve[]: 0 0 0 0
[  313.470825]  ? trace_hardirqs_off+0xb8/0x310
[  313.499847] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  313.504258]  __alloc_pages_slowpath+0x2651/0x2de0
[  313.508019] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  313.512441]  ? warn_alloc+0x120/0x120
[  313.525911] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  313.530735]  ? print_usage_bug+0xc0/0xc0
[  313.545878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.549655]  ? warn_alloc+0x120/0x120
[  313.564537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.568570]  ? warn_alloc+0x120/0x120
[  313.577370] 358 total pagecache pages
[  313.581159]  ? print_usage_bug+0xc0/0xc0
[  313.589709] 0 pages in swap cache
[  313.593485]  ? print_usage_bug+0xc0/0xc0
[  313.597272] Swap cache stats: add 0, delete 0, find 0/0
[  313.601311]  ? __lock_acquire+0x62f/0x4c20
[  313.604730] Free swap  = 0kB
[  313.608783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.614110] Total swap = 0kB
[  313.618323]  ? should_fail+0x22d/0xd01
[  313.621308] 1965979 pages RAM
[  313.626825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.629803] 0 pages HighMem/MovableOnly
[  313.629808] 342854 pages reserved
[  313.633675]  ? __lock_acquire+0x62f/0x4c20
[  313.636763] 0 pages cma reserved
[  313.636833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.641865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.641876]  ? __lock_acquire+0x62f/0x4c20
[  313.641892]  ? should_fail+0x22d/0xd01
[  313.645972] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.649269]  ? find_held_lock+0x36/0x1c0
[  313.653469] rsyslogd cpuset=/ mems_allowed=0
[  313.656819]  ? mark_held_locks+0x130/0x130
[  313.699124]  ? mark_held_locks+0x130/0x130
[  313.703388]  ? zap_class+0x640/0x640
[  313.707090]  ? zap_class+0x640/0x640
[  313.710794]  ? print_usage_bug+0xc0/0xc0
[  313.714842]  ? do_raw_spin_unlock+0xa7/0x330
[  313.719240]  ? zap_class+0x640/0x640
[  313.722942]  ? print_usage_bug+0xc0/0xc0
[  313.726986]  ? wq_watchdog_touch+0x9c/0xfe
[  313.731207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.736734]  ? check_preemption_disabled+0x48/0x280
[  313.741745]  ? __lock_is_held+0xb5/0x140
[  313.745799]  __alloc_pages_nodemask+0xad8/0xea0
[  313.750456]  ? zap_class+0x640/0x640
[  313.754156]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  313.759162]  ? find_held_lock+0x36/0x1c0
[  313.763215]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.767876]  ? lock_downgrade+0x900/0x900
[  313.772025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.777553]  cache_grow_begin+0xa5/0x8c0
[  313.781603]  ? do_raw_spin_unlock+0xa7/0x330
[  313.786012]  fallback_alloc+0x204/0x2e0
[  313.789983]  ____cache_alloc_node+0x1c7/0x1e0
[  313.794476]  kmem_cache_alloc_node+0xe3/0x730
[  313.798961]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.803189]  __alloc_skb+0x119/0x770
[  313.806887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.812157]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.816558]  ? lock_downgrade+0x900/0x900
[  313.820698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.826220]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.831666]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.837105]  ? addrconf_rs_timer+0x690/0x690
[  313.841511]  ndisc_alloc_skb+0x144/0x340
[  313.845567]  ndisc_send_rs+0x331/0x6e0
[  313.849447]  addrconf_rs_timer+0x314/0x690
[  313.853670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.857897]  call_timer_fn+0x272/0x920
[  313.861784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.866004]  ? process_timeout+0x40/0x40
[  313.870054]  ? __run_timers+0x7da/0xc70
[  313.874028]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.878509]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.882986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.887225]  ? lockdep_hardirqs_on+0x296/0x5b0
[  313.891799]  ? trace_hardirqs_on+0xbd/0x310
[  313.896108]  ? kasan_check_read+0x11/0x20
[  313.900238]  ? __run_timers+0x7da/0xc70
[  313.904200]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.909295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.913532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.917756]  __run_timers+0x7e5/0xc70
[  313.921557]  ? timer_fixup_init+0x70/0x70
[  313.925700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.930709]  ? zap_class+0x640/0x640
[  313.934420]  ? enqueue_hrtimer+0x1a5/0x560
[  313.938651]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.943853]  ? find_held_lock+0x36/0x1c0
[  313.947911]  ? zap_class+0x640/0x640
[  313.951620]  ? pvclock_read_flags+0x160/0x160
[  313.956282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.961930]  ? check_preemption_disabled+0x48/0x280
[  313.966940]  ? __lock_is_held+0xb5/0x140
[  313.970992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.976520]  ? check_preemption_disabled+0x48/0x280
[  313.981536]  run_timer_softirq+0x52/0xb0
[  313.985591]  ? rcu_read_lock_sched_held+0x14f/0x180
[  313.990593]  __do_softirq+0x308/0xb7e
[  313.994382]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  313.998864]  ? lock_downgrade+0x900/0x900
[  314.003006]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  314.008106]  ? pvclock_read_flags+0x160/0x160
[  314.012593]  ? lapic_next_event+0x5a/0x90
[  314.016741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.022282]  ? kvm_clock_read+0x18/0x30
[  314.026248]  ? kvm_sched_clock_read+0x9/0x20
[  314.030647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.036177]  ? check_preemption_disabled+0x48/0x280
[  314.041190]  irq_exit+0x17f/0x1c0
[  314.044634]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.049470]  ? smp_reschedule_interrupt+0x109/0x650
[  314.054478]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.060358]  ? interrupt_entry+0xb5/0xc0
[  314.064407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.069415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.074421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.079355]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.084366]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.089375]  ? task_prio+0x50/0x50
[  314.092910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.098436]  ? check_preemption_disabled+0x48/0x280
[  314.103440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.108273]  apic_timer_interrupt+0xf/0x20
[  314.112489]  </IRQ>
[  314.114714] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  314.119637] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  314.138618] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  314.146317] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  314.153580] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  314.160835] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  314.168093] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  314.175360] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  314.182649]  skb_clone+0x1bb/0x500
[  314.186178]  ? finish_task_switch+0x615/0x910
[  314.190659]  ? skb_split+0x11e0/0x11e0
[  314.194539]  ? preempt_notifier_register+0x200/0x200
[  314.199624]  ? __switch_to_asm+0x34/0x70
[  314.203673]  ? __switch_to_asm+0x34/0x70
[  314.207713]  ? __switch_to_asm+0x40/0x70
[  314.211757]  ? __switch_to_asm+0x34/0x70
[  314.215800]  ? __switch_to_asm+0x40/0x70
[  314.219843]  ? __switch_to_asm+0x34/0x70
[  314.223891]  ? __switch_to_asm+0x40/0x70
[  314.227940]  ? __switch_to_asm+0x34/0x70
[  314.231985]  ? __switch_to_asm+0x34/0x70
[  314.236029]  ? __switch_to_asm+0x40/0x70
[  314.240075]  ? __switch_to_asm+0x34/0x70
[  314.244125]  bpf_clone_redirect+0xb9/0x490
[  314.248358]  ? __schedule+0x8d7/0x21d0
[  314.252236]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  314.257240]  ? __sched_text_start+0x8/0x8
[  314.261374]  ? retint_kernel+0x2d/0x2d
[  314.265252]  ? find_held_lock+0x36/0x1c0
[  314.269304]  ? lock_acquire+0x1ed/0x520
[  314.273309]  ? bpf_test_run+0x3ee/0x7a0
[  314.277284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.282811]  ? check_preemption_disabled+0x48/0x280
[  314.287821]  ? kasan_check_read+0x11/0x20
[  314.291961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.297229]  ? rcu_softirq_qs+0x20/0x20
[  314.301199]  ? preempt_schedule+0x4d/0x60
[  314.305344]  ? ___preempt_schedule+0x16/0x18
[  314.309745]  ? bpf_test_run+0x271/0x7a0
[  314.313719]  ? eth_type_trans+0x2ea/0x760
[  314.317868]  ? netlink_diag_dump+0x2a0/0x2a0
[  314.322265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.327792]  ? bpf_test_init.isra.10+0x70/0x100
[  314.332453]  ? bpf_prog_test_run_skb+0x762/0xd60
[  314.337196]  ? apparmor_cred_transfer+0x590/0x590
[  314.342032]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  314.346870]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.352398]  ? fput+0x130/0x1a0
[  314.355669]  ? __bpf_prog_get+0x9b/0x290
[  314.359724]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  314.364553]  ? bpf_prog_test_run+0x130/0x1a0
[  314.368968]  ? __x64_sys_bpf+0x3d8/0x520
[  314.373020]  ? bpf_prog_get+0x20/0x20
[  314.376831]  ? do_syscall_64+0x1b9/0x820
[  314.380877]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  314.386224]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.391140]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.396145]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  314.401148]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  314.407800]  ? __switch_to_asm+0x40/0x70
[  314.411848]  ? __switch_to_asm+0x34/0x70
[  314.415902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.420741]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  314.426105] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  314.426173] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.432933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.432937] Call Trace:
[  314.432942]  <IRQ>
[  314.432955]  dump_stack+0x244/0x39d
[  314.432972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.439502] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.448777]  warn_alloc.cold.116+0xb7/0x1bd
[  314.451328] syz-executor4 cpuset=syz4 mems_allowed=0
[  314.453457]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.486903]  ? lock_downgrade+0x900/0x900
[  314.491043]  ? trace_hardirqs_off+0xb8/0x310
[  314.495449]  ? trace_hardirqs_off+0xb8/0x310
[  314.499849]  __alloc_pages_slowpath+0x2651/0x2de0
[  314.504698]  ? warn_alloc+0x120/0x120
[  314.508487]  ? warn_alloc+0x120/0x120
[  314.512276]  ? warn_alloc+0x120/0x120
[  314.516067]  ? print_usage_bug+0xc0/0xc0
[  314.520117]  ? debug_object_activate+0x402/0x600
[  314.524859]  ? print_usage_bug+0xc0/0xc0
[  314.529095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.534706]  ? should_fail+0x22d/0xd01
[  314.538579]  ? __lock_acquire+0x62f/0x4c20
[  314.542809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.547904]  ? __lock_acquire+0x62f/0x4c20
[  314.552143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.557230]  ? __lock_acquire+0x62f/0x4c20
[  314.561453]  ? should_fail+0x22d/0xd01
[  314.565332]  ? mark_held_locks+0x130/0x130
[  314.569558]  ? mark_held_locks+0x130/0x130
[  314.573782]  ? mod_timer+0x631/0x1560
[  314.577576]  ? print_usage_bug+0xc0/0xc0
[  314.581628]  ? zap_class+0x640/0x640
[  314.585343]  ? print_usage_bug+0xc0/0xc0
[  314.589393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.594921]  ? check_preemption_disabled+0x48/0x280
[  314.599928]  ? __lock_is_held+0xb5/0x140
[  314.603978]  __alloc_pages_nodemask+0xad8/0xea0
[  314.608636]  ? zap_class+0x640/0x640
[  314.612342]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  314.617352]  ? find_held_lock+0x36/0x1c0
[  314.621408]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.626064]  ? lock_downgrade+0x900/0x900
[  314.630206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.635735]  cache_grow_begin+0xa5/0x8c0
[  314.639792]  ? do_raw_spin_unlock+0xa7/0x330
[  314.644208]  fallback_alloc+0x204/0x2e0
[  314.648176]  ____cache_alloc_node+0x1c7/0x1e0
[  314.652661]  kmem_cache_alloc_node+0xe3/0x730
[  314.657148]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.661387]  __alloc_skb+0x119/0x770
[  314.665087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.670368]  ? netdev_alloc_frag+0x1f0/0x1f0
[  314.674763]  ? lock_downgrade+0x900/0x900
[  314.678910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.684447]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.689893]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.695871]  ? addrconf_rs_timer+0x690/0x690
[  314.700288]  ndisc_alloc_skb+0x144/0x340
[  314.704360]  ndisc_send_rs+0x331/0x6e0
[  314.708235]  addrconf_rs_timer+0x314/0x690
[  314.712461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.716695]  call_timer_fn+0x272/0x920
[  314.720657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.724891]  ? process_timeout+0x40/0x40
[  314.728953]  ? mark_held_locks+0xc7/0x130
[  314.733108]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.737592]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.742074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.746304]  ? lockdep_hardirqs_on+0x296/0x5b0
[  314.750873]  ? trace_hardirqs_on+0xbd/0x310
[  314.755179]  ? kasan_check_read+0x11/0x20
[  314.759310]  ? __run_timers+0x7da/0xc70
[  314.763282]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.768377]  ? ip_vs_sync_net_cleanup.cold.11+0x37/0x37
[  314.773732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.777951]  __run_timers+0x7e5/0xc70
[  314.781751]  ? timer_fixup_init+0x70/0x70
[  314.785892]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.790897]  ? zap_class+0x640/0x640
[  314.794602]  ? print_usage_bug+0xc0/0xc0
[  314.798652]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.803841]  ? find_held_lock+0x36/0x1c0
[  314.807895]  ? zap_class+0x640/0x640
[  314.811608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.817156]  ? check_preemption_disabled+0x48/0x280
[  314.822170]  ? __lock_is_held+0xb5/0x140
[  314.826226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.831749]  ? check_preemption_disabled+0x48/0x280
[  314.836757]  run_timer_softirq+0x52/0xb0
[  314.840809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  314.845813]  __do_softirq+0x308/0xb7e
[  314.849605]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  314.854083]  ? lock_downgrade+0x900/0x900
[  314.858223]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  314.863324]  ? pvclock_read_flags+0x160/0x160
[  314.867810]  ? lapic_next_event+0x5a/0x90
[  314.871965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.877500]  ? kvm_clock_read+0x18/0x30
[  314.881464]  ? kvm_sched_clock_read+0x9/0x20
[  314.885869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.891397]  ? check_preemption_disabled+0x48/0x280
[  314.896529]  irq_exit+0x17f/0x1c0
[  314.899967]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.904813]  ? smp_reschedule_interrupt+0x109/0x650
[  314.909814]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.915693]  ? interrupt_entry+0xb5/0xc0
[  314.919746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.924755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.929767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.934631]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.939634]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.944649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.949481]  apic_timer_interrupt+0xf/0x20
[  314.953698]  </IRQ>
[  314.955931] RIP: 0010:dump_stack+0x358/0x39d
[  314.960339] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  314.979225] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  314.986916] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  314.994192] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  315.001447] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  315.008716] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  315.015972] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  315.023238]  ? dump_stack+0x34f/0x39d
[  315.027054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.032234]  ? mark_held_locks+0x130/0x130
[  315.036466]  ? mark_held_locks+0x130/0x130
[  315.040702]  dump_header+0x27b/0xf72
[  315.044410]  ? pagefault_out_of_memory+0x197/0x197
[  315.049333]  ? __lock_acquire+0x62f/0x4c20
[  315.053561]  ? percpu_ref_get_many+0x240/0x240
[  315.058243]  ? print_usage_bug+0xc0/0xc0
[  315.062311]  ? zap_class+0x640/0x640
[  315.066019]  ? print_usage_bug+0xc0/0xc0
[  315.070068]  ? print_usage_bug+0xc0/0xc0
[  315.074122]  ? zap_class+0x640/0x640
[  315.077917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.083457]  ? find_held_lock+0x36/0x1c0
[  315.087515]  ? mark_held_locks+0xc7/0x130
[  315.091652]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.096746]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  315.101841]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  315.106427]  ? trace_hardirqs_on+0xbd/0x310
[  315.110735]  ? kasan_check_read+0x11/0x20
[  315.114874]  ? ___ratelimit+0x3b4/0x672
[  315.118840]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.123936]  ? trace_hardirqs_on+0x310/0x310
[  315.128337]  ? lock_downgrade+0x900/0x900
[  315.132476]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.137572]  ? ___ratelimit+0x3b9/0x672
[  315.141539]  ? idr_get_free+0xf70/0xf70
[  315.145511]  ? find_held_lock+0x36/0x1c0
[  315.149580]  oom_kill_process.cold.27+0x10/0x903
[  315.154330]  ? zap_class+0x640/0x640
[  315.158034]  ? check_preemption_disabled+0x48/0x280
[  315.163044]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.167973]  ? kasan_check_read+0x11/0x20
[  315.172127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.177397]  ? oom_evaluate_task+0x540/0x540
[  315.181799]  ? find_held_lock+0x36/0x1c0
[  315.185857]  ? out_of_memory+0x974/0x1430
[  315.189998]  ? lock_downgrade+0x900/0x900
[  315.194146]  ? check_preemption_disabled+0x48/0x280
[  315.199152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.204069]  ? kasan_check_read+0x11/0x20
[  315.208202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.213470]  ? rcu_softirq_qs+0x20/0x20
[  315.217440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.222981]  ? oom_evaluate_task+0x302/0x540
[  315.227382]  out_of_memory+0xa84/0x1430
[  315.231354]  ? oom_killer_disable+0x3a0/0x3a0
[  315.235837]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  315.240764]  ? __ww_mutex_check_waiters+0x160/0x160
[  315.245782]  __alloc_pages_slowpath+0x232c/0x2de0
[  315.250633]  ? warn_alloc+0x120/0x120
[  315.254424]  ? mark_held_locks+0x130/0x130
[  315.258653]  ? find_get_entry+0xaae/0x1120
[  315.262881]  ? filemap_map_pages+0x1a20/0x1a20
[  315.267450]  ? zap_class+0x640/0x640
[  315.271154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.276676]  ? check_preemption_disabled+0x48/0x280
[  315.281679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.287205]  ? should_fail+0x22d/0xd01
[  315.291090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.296179]  ? zap_class+0x640/0x640
[  315.299897]  ? __lock_is_held+0xb5/0x140
[  315.303955]  ? mark_held_locks+0x130/0x130
[  315.308179]  ? lock_release+0xa00/0xa00
[  315.312141]  ? perf_trace_sched_process_exec+0x860/0x860
[  315.317611]  ? xa_load+0x2ba/0x460
[  315.321150]  ? lock_downgrade+0x900/0x900
[  315.325289]  ? __might_sleep+0x95/0x190
[  315.329257]  __alloc_pages_nodemask+0xad8/0xea0
[  315.333925]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  315.338937]  ? __page_cache_alloc+0x191/0x5c0
[  315.343423]  ? xa_load+0x2e1/0x460
[  315.346950]  ? xa_clear_mark+0x40/0x40
[  315.350825]  ? zap_class+0x640/0x640
[  315.354534]  ? zap_class+0x640/0x640
[  315.358243]  ? zap_class+0x640/0x640
[  315.361948]  ? __do_page_cache_readahead+0x663/0x810
[  315.367041]  ? find_held_lock+0x36/0x1c0
[  315.371114]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  315.376649]  alloc_pages_current+0x173/0x350
[  315.381052]  __page_cache_alloc+0x38c/0x5c0
[  315.385360]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.390284]  ? kasan_check_read+0x11/0x20
[  315.394505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.399772]  ? generic_perform_write+0x6a0/0x6a0
[  315.404512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.410036]  ? check_preemption_disabled+0x48/0x280
[  315.415054]  filemap_fault+0x1595/0x25f0
[  315.419111]  ? __lock_page_or_retry+0xa00/0xa00
[  315.423780]  ? mark_held_locks+0x130/0x130
[  315.428010]  ? filemap_map_pages+0xd6b/0x1a20
[  315.432492]  ? lock_downgrade+0x900/0x900
[  315.436625]  ? check_preemption_disabled+0x48/0x280
[  315.441629]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.446541]  ? kasan_check_read+0x11/0x20
[  315.450677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.455939]  ? rcu_softirq_qs+0x20/0x20
[  315.459910]  ? filemap_map_pages+0xd92/0x1a20
[  315.464401]  ? find_get_entries_tag+0x1400/0x1400
[  315.469233]  ? __kernel_text_address+0xd/0x40
[  315.473737]  ? unwind_get_return_address+0x61/0xa0
[  315.478666]  ? lock_acquire+0x1ed/0x520
[  315.482630]  ? ext4_filemap_fault+0x7a/0xad
[  315.486946]  ? lock_release+0xa00/0xa00
[  315.490906]  ? perf_trace_sched_process_exec+0x860/0x860
[  315.496354]  ? print_usage_bug+0xc0/0xc0
[  315.500408]  ? print_usage_bug+0xc0/0xc0
[  315.504460]  ? __x64_sys_read+0x73/0xb0
[  315.508421]  ? print_usage_bug+0xc0/0xc0
[  315.512477]  ? down_read+0x8d/0x120
[  315.516103]  ? ext4_filemap_fault+0x7a/0xad
[  315.520414]  ? __down_interruptible+0x700/0x700
[  315.525079]  ext4_filemap_fault+0x82/0xad
[  315.529221]  __do_fault+0x100/0x6b0
[  315.532835]  ? trace_hardirqs_on+0xbd/0x310
[  315.537149]  ? pmd_devmap_trans_unstable+0x220/0x220
[  315.542242]  ? mark_held_locks+0x130/0x130
[  315.546551]  ? mark_held_locks+0x130/0x130
[  315.550770]  ? do_syslog+0x147b/0x1690
[  315.554648]  ? do_syslog+0x309/0x1690
[  315.558437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.563967]  __handle_mm_fault+0x3ea0/0x5be0
[  315.568368]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  315.573212]  ? find_held_lock+0x36/0x1c0
[  315.577272]  ? zap_class+0x640/0x640
[  315.580982]  ? zap_class+0x640/0x640
[  315.584690]  ? find_held_lock+0x36/0x1c0
[  315.588749]  ? handle_mm_fault+0x42a/0xc70
[  315.592970]  ? lock_downgrade+0x900/0x900
[  315.597104]  ? check_preemption_disabled+0x48/0x280
[  315.602109]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.607025]  ? kasan_check_read+0x11/0x20
[  315.611160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.616427]  ? rcu_softirq_qs+0x20/0x20
[  315.620391]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.625490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.631030]  ? check_preemption_disabled+0x48/0x280
[  315.636040]  handle_mm_fault+0x54f/0xc70
[  315.640103]  ? __handle_mm_fault+0x5be0/0x5be0
[  315.644678]  ? find_vma+0x34/0x190
[  315.648217]  __do_page_fault+0x5e8/0xe60
[  315.652276]  ? trace_hardirqs_off+0xb8/0x310
[  315.656669]  ? kernel_write+0x120/0x120
[  315.660886]  do_page_fault+0xf2/0x7e0
[  315.665113]  ? vmalloc_sync_all+0x30/0x30
[  315.669247]  ? error_entry+0x70/0xd0
[  315.672950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.677952]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.682865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.687783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.692616]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.698333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.703775]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.708780]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.713783]  ? page_fault+0x8/0x30
[  315.717315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.722152]  ? page_fault+0x8/0x30
[  315.725679]  page_fault+0x1e/0x30
[  315.729121] RIP: 0033:0x7f71188e71fd
[  315.732850] Code: Bad RIP value.
[  315.736207] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  315.741553] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  315.748809] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  315.756079] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  315.763335] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  315.770593] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  315.777863] warn_alloc_show_mem: 1 callbacks suppressed
[  315.777872] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  315.777874] Mem-Info:
[  315.777900] active_anon:46284 inactive_anon:276 isolated_anon:0
[  315.777900]  active_file:13 inactive_file:11 isolated_file:0
[  315.777900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.777900]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  315.777900]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  315.777900]  free:13741 free_pcp:339 free_cma:0
[  315.783245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.790503] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.792885] Call Trace:
[  315.825734] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  315.835062]  <IRQ>
[  315.864202] lowmem_reserve[]: 0 2818 6321 6321
[  315.866770]  dump_stack+0x244/0x39d
[  315.893103] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  315.895238]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.899800] lowmem_reserve[]: 0 0 3503 3503
[  315.903429]  warn_alloc.cold.116+0xb7/0x1bd
[  315.931061] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  315.936237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.940519] lowmem_reserve[]: 0 0 0 0
[  315.944830]  ? lock_downgrade+0x900/0x900
[  315.973851] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  315.978680]  ? trace_hardirqs_off+0xb8/0x310
[  315.982448] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  315.986586]  ? trace_hardirqs_off+0xb8/0x310
[  316.000067] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  316.004465]  __alloc_pages_slowpath+0x2651/0x2de0
[  316.019604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.024006]  ? warn_alloc+0x120/0x120
[  316.038872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.043694]  ? print_usage_bug+0xc0/0xc0
[  316.052495] 358 total pagecache pages
[  316.056277]  ? warn_alloc+0x120/0x120
[  316.064844] 0 pages in swap cache
[  316.068899]  ? warn_alloc+0x120/0x120
[  316.072668] Swap cache stats: add 0, delete 0, find 0/0
[  316.076449]  ? print_usage_bug+0xc0/0xc0
[  316.079870] Free swap  = 0kB
[  316.083654]  ? kvm_clock_read+0x18/0x30
[  316.088985] Total swap = 0kB
[  316.088991] 1965979 pages RAM
[  316.093047]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  316.096027] 0 pages HighMem/MovableOnly
[  316.096051] 342854 pages reserved
[  316.100006]  ? print_usage_bug+0xc0/0xc0
[  316.102988] 0 pages cma reserved
[  316.106089]  ? __lock_acquire+0x62f/0x4c20
[  316.111117] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.115026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.118515] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.122488]  ? should_fail+0x22d/0xd01
[  316.125822] rsyslogd cpuset=/ mems_allowed=0
[  316.130031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.130047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.170622]  ? __lock_acquire+0x62f/0x4c20
[  316.174845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.179938]  ? __lock_acquire+0x62f/0x4c20
[  316.184168]  ? should_fail+0x22d/0xd01
[  316.188041]  ? rcu_irq_exit+0x1a2/0x390
[  316.192021]  ? mark_held_locks+0x130/0x130
[  316.196263]  ? mark_held_locks+0x130/0x130
[  316.200492]  ? mark_held_locks+0xc7/0x130
[  316.204623]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  316.209623]  ? zap_class+0x640/0x640
[  316.213325]  ? print_usage_bug+0xc0/0xc0
[  316.217377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.222899]  ? check_preemption_disabled+0x48/0x280
[  316.227905]  ? __lock_is_held+0xb5/0x140
[  316.231953]  __alloc_pages_nodemask+0xad8/0xea0
[  316.236623]  ? zap_class+0x640/0x640
[  316.240322]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  316.245332]  ? find_held_lock+0x36/0x1c0
[  316.249386]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.254043]  ? lock_downgrade+0x900/0x900
[  316.258309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.263837]  cache_grow_begin+0xa5/0x8c0
[  316.267881]  ? do_raw_spin_unlock+0xa7/0x330
[  316.272286]  fallback_alloc+0x204/0x2e0
[  316.276261]  ____cache_alloc_node+0x1c7/0x1e0
[  316.280753]  kmem_cache_alloc_node+0xe3/0x730
[  316.285238]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.289483]  __alloc_skb+0x119/0x770
[  316.293186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.298544]  ? netdev_alloc_frag+0x1f0/0x1f0
[  316.302947]  ? lock_downgrade+0x900/0x900
[  316.307093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.312615]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.318056]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.323492]  ? addrconf_rs_timer+0x690/0x690
[  316.327901]  ndisc_alloc_skb+0x144/0x340
[  316.331965]  ndisc_send_rs+0x331/0x6e0
[  316.335841]  addrconf_rs_timer+0x314/0x690
[  316.340066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.344296]  call_timer_fn+0x272/0x920
[  316.348179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.352401]  ? process_timeout+0x40/0x40
[  316.356456]  ? __run_timers+0x7da/0xc70
[  316.360417]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.364897]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.369375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.373595]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.378173]  ? trace_hardirqs_on+0xbd/0x310
[  316.382486]  ? kasan_check_read+0x11/0x20
[  316.386622]  ? __run_timers+0x7da/0xc70
[  316.390587]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.395682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.399907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.404127]  __run_timers+0x7e5/0xc70
[  316.407930]  ? timer_fixup_init+0x70/0x70
[  316.412069]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.417071]  ? zap_class+0x640/0x640
[  316.420775]  ? enqueue_hrtimer+0x1a5/0x560
[  316.424998]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.430177]  ? find_held_lock+0x36/0x1c0
[  316.434244]  ? zap_class+0x640/0x640
[  316.437953]  ? pvclock_read_flags+0x160/0x160
[  316.442433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.447957]  ? check_preemption_disabled+0x48/0x280
[  316.453053]  ? __lock_is_held+0xb5/0x140
[  316.457102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.462627]  ? check_preemption_disabled+0x48/0x280
[  316.467635]  run_timer_softirq+0x52/0xb0
[  316.471689]  ? rcu_read_lock_sched_held+0x14f/0x180
[  316.476695]  __do_softirq+0x308/0xb7e
[  316.480503]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  316.484983]  ? lock_downgrade+0x900/0x900
[  316.489117]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  316.494218]  ? pvclock_read_flags+0x160/0x160
[  316.498705]  ? lapic_next_event+0x5a/0x90
[  316.502842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.508377]  ? kvm_clock_read+0x18/0x30
[  316.512337]  ? kvm_sched_clock_read+0x9/0x20
[  316.516734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.522257]  ? check_preemption_disabled+0x48/0x280
[  316.527762]  irq_exit+0x17f/0x1c0
[  316.531210]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.536042]  ? smp_reschedule_interrupt+0x109/0x650
[  316.541044]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.546911]  ? interrupt_entry+0xb5/0xc0
[  316.550961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.555963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.560970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.565805]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.570810]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.575811]  ? task_prio+0x50/0x50
[  316.579339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.584866]  ? check_preemption_disabled+0x48/0x280
[  316.589872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.594706]  apic_timer_interrupt+0xf/0x20
[  316.598924]  </IRQ>
[  316.601153] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.606068] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  316.624951] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  316.632641] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.639897] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  316.647164] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  316.654419] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.661676] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  316.668964]  skb_clone+0x1bb/0x500
[  316.672497]  ? finish_task_switch+0x615/0x910
[  316.676988]  ? skb_split+0x11e0/0x11e0
[  316.680870]  ? preempt_notifier_register+0x200/0x200
[  316.685957]  ? __switch_to_asm+0x34/0x70
[  316.690017]  ? __switch_to_asm+0x34/0x70
[  316.694181]  ? __switch_to_asm+0x40/0x70
[  316.698229]  ? __switch_to_asm+0x34/0x70
[  316.702278]  ? __switch_to_asm+0x40/0x70
[  316.706322]  ? __switch_to_asm+0x34/0x70
[  316.710372]  ? __switch_to_asm+0x40/0x70
[  316.714416]  ? __switch_to_asm+0x34/0x70
[  316.718462]  ? __switch_to_asm+0x34/0x70
[  316.722507]  ? __switch_to_asm+0x40/0x70
[  316.726569]  ? __switch_to_asm+0x34/0x70
[  316.730619]  bpf_clone_redirect+0xb9/0x490
[  316.734839]  ? __schedule+0x8d7/0x21d0
[  316.738735]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  316.743740]  ? __sched_text_start+0x8/0x8
[  316.747874]  ? retint_kernel+0x2d/0x2d
[  316.751754]  ? find_held_lock+0x36/0x1c0
[  316.755806]  ? lock_acquire+0x1ed/0x520
[  316.759766]  ? bpf_test_run+0x3ee/0x7a0
[  316.763730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.769258]  ? check_preemption_disabled+0x48/0x280
[  316.774272]  ? kasan_check_read+0x11/0x20
[  316.778414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.783681]  ? rcu_softirq_qs+0x20/0x20
[  316.787645]  ? preempt_schedule+0x4d/0x60
[  316.791778]  ? ___preempt_schedule+0x16/0x18
[  316.796188]  ? bpf_test_run+0x271/0x7a0
[  316.800172]  ? eth_type_trans+0x2ea/0x760
[  316.804313]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.808711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.814234]  ? bpf_test_init.isra.10+0x70/0x100
[  316.818894]  ? bpf_prog_test_run_skb+0x762/0xd60
[  316.823643]  ? apparmor_cred_transfer+0x590/0x590
[  316.828478]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.833314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.838843]  ? fput+0x130/0x1a0
[  316.842220]  ? __bpf_prog_get+0x9b/0x290
[  316.846294]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.851139]  ? bpf_prog_test_run+0x130/0x1a0
[  316.855536]  ? __x64_sys_bpf+0x3d8/0x520
[  316.859579]  ? bpf_prog_get+0x20/0x20
[  316.863380]  ? do_syscall_64+0x1b9/0x820
[  316.867431]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  316.872789]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.877708]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.882715]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  316.887724]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  316.894382]  ? __switch_to_asm+0x40/0x70
[  316.898427]  ? __switch_to_asm+0x34/0x70
[  316.902480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.907318]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  316.912681] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  316.912756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.919505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.919509] Call Trace:
[  316.919515]  <IRQ>
[  316.919529]  dump_stack+0x244/0x39d
[  316.919546]  ? dump_stack_print_info.cold.1+0x20/0x20
[  316.926051] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.935349]  warn_alloc.cold.116+0xb7/0x1bd
[  316.937897] syz-executor4 cpuset=syz4 mems_allowed=0
[  316.940033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.973461]  ? lock_downgrade+0x900/0x900
[  316.977608]  ? trace_hardirqs_off+0xb8/0x310
[  316.982009]  ? trace_hardirqs_off+0xb8/0x310
[  316.986423]  __alloc_pages_slowpath+0x2651/0x2de0
[  316.991314]  ? warn_alloc+0x120/0x120
[  316.995118]  ? print_usage_bug+0xc0/0xc0
[  316.999176]  ? warn_alloc+0x120/0x120
[  317.002973]  ? warn_alloc+0x120/0x120
[  317.006766]  ? print_usage_bug+0xc0/0xc0
[  317.010822]  ? kvm_clock_read+0x18/0x30
[  317.014785]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  317.019794]  ? print_usage_bug+0xc0/0xc0
[  317.023848]  ? __lock_acquire+0x62f/0x4c20
[  317.028095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.033619]  ? should_fail+0x22d/0xd01
[  317.037492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.042775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.047862]  ? __lock_acquire+0x62f/0x4c20
[  317.052092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.057183]  ? __lock_acquire+0x62f/0x4c20
[  317.061404]  ? should_fail+0x22d/0xd01
[  317.065277]  ? rcu_irq_exit+0x1a2/0x390
[  317.069250]  ? mark_held_locks+0x130/0x130
[  317.073477]  ? mark_held_locks+0x130/0x130
[  317.077724]  ? mark_held_locks+0xc7/0x130
[  317.081868]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  317.086878]  ? zap_class+0x640/0x640
[  317.090578]  ? print_usage_bug+0xc0/0xc0
[  317.094643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.100173]  ? check_preemption_disabled+0x48/0x280
[  317.105198]  ? __lock_is_held+0xb5/0x140
[  317.109274]  __alloc_pages_nodemask+0xad8/0xea0
[  317.113936]  ? zap_class+0x640/0x640
[  317.117650]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  317.122672]  ? find_held_lock+0x36/0x1c0
[  317.126735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.131398]  ? lock_downgrade+0x900/0x900
[  317.135544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.141069]  cache_grow_begin+0xa5/0x8c0
[  317.145123]  ? do_raw_spin_unlock+0xa7/0x330
[  317.149529]  fallback_alloc+0x204/0x2e0
[  317.153502]  ____cache_alloc_node+0x1c7/0x1e0
[  317.157997]  kmem_cache_alloc_node+0xe3/0x730
[  317.162485]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.166719]  __alloc_skb+0x119/0x770
[  317.170423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.175694]  ? netdev_alloc_frag+0x1f0/0x1f0
[  317.180110]  ? lock_downgrade+0x900/0x900
[  317.184260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.189789]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.195674]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.201116]  ? addrconf_rs_timer+0x690/0x690
[  317.205529]  ndisc_alloc_skb+0x144/0x340
[  317.209595]  ndisc_send_rs+0x331/0x6e0
[  317.213478]  addrconf_rs_timer+0x314/0x690
[  317.217707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.221937]  call_timer_fn+0x272/0x920
[  317.225820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.230040]  ? process_timeout+0x40/0x40
[  317.234115]  ? mark_held_locks+0xc7/0x130
[  317.238253]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.242735]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.247218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.251443]  ? lockdep_hardirqs_on+0x296/0x5b0
[  317.256014]  ? trace_hardirqs_on+0xbd/0x310
[  317.260322]  ? kasan_check_read+0x11/0x20
[  317.264456]  ? __run_timers+0x7da/0xc70
[  317.268417]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.273521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.277749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.281969]  __run_timers+0x7e5/0xc70
[  317.285765]  ? timer_fixup_init+0x70/0x70
[  317.289902]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.294902]  ? zap_class+0x640/0x640
[  317.298614]  ? print_usage_bug+0xc0/0xc0
[  317.302669]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  317.307851]  ? find_held_lock+0x36/0x1c0
[  317.311905]  ? zap_class+0x640/0x640
[  317.315609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.321130]  ? check_preemption_disabled+0x48/0x280
[  317.326140]  ? __lock_is_held+0xb5/0x140
[  317.330188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.335714]  ? check_preemption_disabled+0x48/0x280
[  317.340721]  run_timer_softirq+0x52/0xb0
[  317.344778]  ? rcu_read_lock_sched_held+0x14f/0x180
[  317.349789]  __do_softirq+0x308/0xb7e
[  317.353591]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  317.358085]  ? lock_downgrade+0x900/0x900
[  317.362250]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  317.367344]  ? pvclock_read_flags+0x160/0x160
[  317.371847]  ? lapic_next_event+0x5a/0x90
[  317.375986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.381515]  ? kvm_clock_read+0x18/0x30
[  317.385476]  ? kvm_sched_clock_read+0x9/0x20
[  317.389878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.395669]  ? check_preemption_disabled+0x48/0x280
[  317.400680]  irq_exit+0x17f/0x1c0
[  317.404121]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.408954]  ? smp_reschedule_interrupt+0x109/0x650
[  317.413956]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.419825]  ? interrupt_entry+0xb5/0xc0
[  317.423875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.428875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.433876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.438705]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.443725]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.448732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.453569]  apic_timer_interrupt+0xf/0x20
[  317.457788]  </IRQ>
[  317.460019] RIP: 0010:dump_stack+0x358/0x39d
[  317.464423] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  317.483308] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  317.491019] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  317.498282] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  317.505537] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  317.512795] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  317.520057] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  317.527333]  ? dump_stack+0x34f/0x39d
[  317.531131]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.536309]  ? mark_held_locks+0x130/0x130
[  317.540529]  ? mark_held_locks+0x130/0x130
[  317.544759]  dump_header+0x27b/0xf72
[  317.548470]  ? pagefault_out_of_memory+0x197/0x197
[  317.553392]  ? __lock_acquire+0x62f/0x4c20
[  317.557616]  ? percpu_ref_get_many+0x240/0x240
[  317.562188]  ? print_usage_bug+0xc0/0xc0
[  317.566255]  ? zap_class+0x640/0x640
[  317.569957]  ? print_usage_bug+0xc0/0xc0
[  317.574003]  ? print_usage_bug+0xc0/0xc0
[  317.578055]  ? zap_class+0x640/0x640
[  317.581757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.587283]  ? find_held_lock+0x36/0x1c0
[  317.591342]  ? mark_held_locks+0xc7/0x130
[  317.595479]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.600565]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.605653]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.610227]  ? trace_hardirqs_on+0xbd/0x310
[  317.614552]  ? kasan_check_read+0x11/0x20
[  317.618693]  ? ___ratelimit+0x3b4/0x672
[  317.622663]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.627766]  ? trace_hardirqs_on+0x310/0x310
[  317.632173]  ? lock_downgrade+0x900/0x900
[  317.636315]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.641405]  ? ___ratelimit+0x3b9/0x672
[  317.645367]  ? idr_get_free+0xf70/0xf70
[  317.649325]  ? find_held_lock+0x36/0x1c0
[  317.653378]  oom_kill_process.cold.27+0x10/0x903
[  317.658134]  ? zap_class+0x640/0x640
[  317.661837]  ? check_preemption_disabled+0x48/0x280
[  317.666841]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.671756]  ? kasan_check_read+0x11/0x20
[  317.675905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.681173]  ? oom_evaluate_task+0x540/0x540
[  317.685575]  ? find_held_lock+0x36/0x1c0
[  317.689633]  ? out_of_memory+0x974/0x1430
[  317.694276]  ? lock_downgrade+0x900/0x900
[  317.698425]  ? check_preemption_disabled+0x48/0x280
[  317.703443]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.708372]  ? kasan_check_read+0x11/0x20
[  317.712508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.717778]  ? rcu_softirq_qs+0x20/0x20
[  317.721745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.727268]  ? oom_evaluate_task+0x302/0x540
[  317.731665]  out_of_memory+0xa84/0x1430
[  317.735632]  ? oom_killer_disable+0x3a0/0x3a0
[  317.740111]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  317.745033]  ? __ww_mutex_check_waiters+0x160/0x160
[  317.750050]  __alloc_pages_slowpath+0x232c/0x2de0
[  317.754916]  ? warn_alloc+0x120/0x120
[  317.758707]  ? mark_held_locks+0x130/0x130
[  317.762938]  ? find_get_entry+0xaae/0x1120
[  317.767172]  ? filemap_map_pages+0x1a20/0x1a20
[  317.771751]  ? zap_class+0x640/0x640
[  317.775467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.780994]  ? check_preemption_disabled+0x48/0x280
[  317.786003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.791539]  ? should_fail+0x22d/0xd01
[  317.795417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.800507]  ? zap_class+0x640/0x640
[  317.804235]  ? __lock_is_held+0xb5/0x140
[  317.808293]  ? mark_held_locks+0x130/0x130
[  317.812547]  ? lock_release+0xa00/0xa00
[  317.816512]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.821956]  ? xa_load+0x2ba/0x460
[  317.825489]  ? lock_downgrade+0x900/0x900
[  317.829635]  ? __might_sleep+0x95/0x190
[  317.833603]  __alloc_pages_nodemask+0xad8/0xea0
[  317.838264]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  317.843271]  ? __page_cache_alloc+0x191/0x5c0
[  317.847753]  ? xa_load+0x2e1/0x460
[  317.851281]  ? xa_clear_mark+0x40/0x40
[  317.855176]  ? zap_class+0x640/0x640
[  317.858887]  ? zap_class+0x640/0x640
[  317.862590]  ? zap_class+0x640/0x640
[  317.866294]  ? __do_page_cache_readahead+0x663/0x810
[  317.871388]  ? find_held_lock+0x36/0x1c0
[  317.875443]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.880973]  alloc_pages_current+0x173/0x350
[  317.885373]  __page_cache_alloc+0x38c/0x5c0
[  317.889682]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.894599]  ? kasan_check_read+0x11/0x20
[  317.898731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.903996]  ? generic_perform_write+0x6a0/0x6a0
[  317.908748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.914274]  ? check_preemption_disabled+0x48/0x280
[  317.919283]  filemap_fault+0x1595/0x25f0
[  317.923336]  ? __lock_page_or_retry+0xa00/0xa00
[  317.927993]  ? mark_held_locks+0x130/0x130
[  317.932229]  ? filemap_map_pages+0xd6b/0x1a20
[  317.936710]  ? lock_downgrade+0x900/0x900
[  317.940847]  ? check_preemption_disabled+0x48/0x280
[  317.945863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.950779]  ? kasan_check_read+0x11/0x20
[  317.954916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.960176]  ? rcu_softirq_qs+0x20/0x20
[  317.964150]  ? filemap_map_pages+0xd92/0x1a20
[  317.968646]  ? find_get_entries_tag+0x1400/0x1400
[  317.973481]  ? __kernel_text_address+0xd/0x40
[  317.977968]  ? unwind_get_return_address+0x61/0xa0
[  317.982895]  ? lock_acquire+0x1ed/0x520
[  317.986856]  ? ext4_filemap_fault+0x7a/0xad
[  317.991180]  ? lock_release+0xa00/0xa00
[  317.995141]  ? perf_trace_sched_process_exec+0x860/0x860
[  318.000577]  ? print_usage_bug+0xc0/0xc0
[  318.004624]  ? print_usage_bug+0xc0/0xc0
[  318.008670]  ? __x64_sys_read+0x73/0xb0
[  318.012628]  ? print_usage_bug+0xc0/0xc0
[  318.016684]  ? down_read+0x8d/0x120
[  318.020295]  ? ext4_filemap_fault+0x7a/0xad
[  318.024605]  ? __down_interruptible+0x700/0x700
[  318.029269]  ext4_filemap_fault+0x82/0xad
[  318.033404]  __do_fault+0x100/0x6b0
[  318.037020]  ? trace_hardirqs_on+0xbd/0x310
[  318.041334]  ? pmd_devmap_trans_unstable+0x220/0x220
[  318.046429]  ? mark_held_locks+0x130/0x130
[  318.050652]  ? mark_held_locks+0x130/0x130
[  318.054879]  ? do_syslog+0x147b/0x1690
[  318.058760]  ? do_syslog+0x309/0x1690
[  318.062556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.068083]  __handle_mm_fault+0x3ea0/0x5be0
[  318.072489]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  318.077327]  ? find_held_lock+0x36/0x1c0
[  318.081391]  ? zap_class+0x640/0x640
[  318.085106]  ? zap_class+0x640/0x640
[  318.088810]  ? find_held_lock+0x36/0x1c0
[  318.092866]  ? handle_mm_fault+0x42a/0xc70
[  318.097089]  ? lock_downgrade+0x900/0x900
[  318.101229]  ? check_preemption_disabled+0x48/0x280
[  318.106233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  318.111149]  ? kasan_check_read+0x11/0x20
[  318.115282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.120545]  ? rcu_softirq_qs+0x20/0x20
[  318.124520]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.129616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.135153]  ? check_preemption_disabled+0x48/0x280
[  318.140159]  handle_mm_fault+0x54f/0xc70
[  318.144206]  ? __handle_mm_fault+0x5be0/0x5be0
[  318.148796]  ? find_vma+0x34/0x190
[  318.152325]  __do_page_fault+0x5e8/0xe60
[  318.156379]  ? trace_hardirqs_off+0xb8/0x310
[  318.160774]  ? kernel_write+0x120/0x120
[  318.164744]  do_page_fault+0xf2/0x7e0
[  318.168535]  ? vmalloc_sync_all+0x30/0x30
[  318.172670]  ? error_entry+0x70/0xd0
[  318.176378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.181378]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.186292]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.191206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.196036]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.201055]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.206500]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.211506]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.216509]  ? page_fault+0x8/0x30
[  318.220041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.224876]  ? page_fault+0x8/0x30
[  318.228403]  page_fault+0x1e/0x30
[  318.231841] RIP: 0033:0x7f71188e71fd
[  318.235553] Code: Bad RIP value.
[  318.238900] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  318.244251] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  318.251505] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  318.258761] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  318.266019] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  318.273271] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  318.280538] warn_alloc_show_mem: 1 callbacks suppressed
[  318.280546] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  318.280548] Mem-Info:
[  318.280574] active_anon:46284 inactive_anon:276 isolated_anon:0
[  318.280574]  active_file:13 inactive_file:11 isolated_file:0
[  318.280574]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.280574]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  318.280574]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  318.280574]  free:13741 free_pcp:339 free_cma:0
[  318.285914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.285921] Call Trace:
[  318.293183] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.295567]  <IRQ>
[  318.328499] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  318.337836]  dump_stack+0x244/0x39d
[  318.340386] lowmem_reserve[]: 0 2818 6321 6321
[  318.368044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.370162] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  318.396256]  warn_alloc.cold.116+0xb7/0x1bd
[  318.399843] lowmem_reserve[]: 0 0 3503 3503
[  318.404410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.409563] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  318.437127]  ? lock_downgrade+0x900/0x900
[  318.441412] lowmem_reserve[]: 0 0 0 0
[  318.445730]  ? trace_hardirqs_off+0xb8/0x310
[  318.450537] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  318.479580]  ? trace_hardirqs_off+0xb8/0x310
[  318.483690] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  318.487477]  __alloc_pages_slowpath+0x2651/0x2de0
[  318.491845] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  318.505368]  ? warn_alloc+0x120/0x120
[  318.509733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.524883]  ? print_usage_bug+0xc0/0xc0
[  318.529825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.529832] 358 total pagecache pages
[  318.544745]  ? warn_alloc+0x120/0x120
[  318.548523] 0 pages in swap cache
[  318.557333]  ? warn_alloc+0x120/0x120
[  318.561355] Swap cache stats: add 0, delete 0, find 0/0
[  318.561361] Free swap  = 0kB
[  318.569914]  ? print_usage_bug+0xc0/0xc0
[  318.573673] Total swap = 0kB
[  318.573679] 1965979 pages RAM
[  318.577459]  ? print_usage_bug+0xc0/0xc0
[  318.580880] 0 pages HighMem/MovableOnly
[  318.580887] 342854 pages reserved
[  318.584670]  ? __lock_acquire+0x62f/0x4c20
[  318.590001] 0 pages cma reserved
[  318.593003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.597093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.600042]  ? should_fail+0x22d/0xd01
[  318.600057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.600070]  ? __lock_acquire+0x62f/0x4c20
[  318.603188] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.607185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.611129] rsyslogd cpuset=/ mems_allowed=0
[  318.614555]  ? __lock_acquire+0x62f/0x4c20
[  318.614567]  ? should_fail+0x22d/0xd01
[  318.674840]  ? find_held_lock+0x36/0x1c0
[  318.678892]  ? mark_held_locks+0x130/0x130
[  318.683119]  ? mark_held_locks+0x130/0x130
[  318.687352]  ? zap_class+0x640/0x640
[  318.691071]  ? zap_class+0x640/0x640
[  318.695056]  ? print_usage_bug+0xc0/0xc0
[  318.699101]  ? do_raw_spin_unlock+0xa7/0x330
[  318.703498]  ? zap_class+0x640/0x640
[  318.707205]  ? print_usage_bug+0xc0/0xc0
[  318.711252]  ? wq_watchdog_touch+0x9c/0xfe
[  318.715562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.721084]  ? check_preemption_disabled+0x48/0x280
[  318.726098]  ? __lock_is_held+0xb5/0x140
[  318.730154]  __alloc_pages_nodemask+0xad8/0xea0
[  318.734809]  ? zap_class+0x640/0x640
[  318.738511]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  318.743522]  ? find_held_lock+0x36/0x1c0
[  318.747582]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.752254]  ? lock_downgrade+0x900/0x900
[  318.756393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.761919]  cache_grow_begin+0xa5/0x8c0
[  318.765991]  ? do_raw_spin_unlock+0xa7/0x330
[  318.770408]  fallback_alloc+0x204/0x2e0
[  318.774380]  ____cache_alloc_node+0x1c7/0x1e0
[  318.778867]  kmem_cache_alloc_node+0xe3/0x730
[  318.783347]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.787598]  __alloc_skb+0x119/0x770
[  318.791315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.796589]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.800998]  ? lock_downgrade+0x900/0x900
[  318.805141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.810665]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.816110]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.821545]  ? addrconf_rs_timer+0x690/0x690
[  318.825960]  ndisc_alloc_skb+0x144/0x340
[  318.830011]  ndisc_send_rs+0x331/0x6e0
[  318.833890]  addrconf_rs_timer+0x314/0x690
[  318.838117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.842346]  call_timer_fn+0x272/0x920
[  318.846220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.850446]  ? process_timeout+0x40/0x40
[  318.854506]  ? __run_timers+0x7da/0xc70
[  318.858479]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.862960]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.867439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.871675]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.876247]  ? trace_hardirqs_on+0xbd/0x310
[  318.880557]  ? kasan_check_read+0x11/0x20
[  318.884695]  ? __run_timers+0x7da/0xc70
[  318.888663]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.893758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.897985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.902206]  __run_timers+0x7e5/0xc70
[  318.906016]  ? timer_fixup_init+0x70/0x70
[  318.910248]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.915255]  ? zap_class+0x640/0x640
[  318.918963]  ? enqueue_hrtimer+0x1a5/0x560
[  318.923190]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.928371]  ? find_held_lock+0x36/0x1c0
[  318.932436]  ? zap_class+0x640/0x640
[  318.936137]  ? pvclock_read_flags+0x160/0x160
[  318.940621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.946149]  ? check_preemption_disabled+0x48/0x280
[  318.951163]  ? __lock_is_held+0xb5/0x140
[  318.955301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.960824]  ? check_preemption_disabled+0x48/0x280
[  318.965829]  run_timer_softirq+0x52/0xb0
[  318.969876]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.974889]  __do_softirq+0x308/0xb7e
[  318.978682]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.983163]  ? lock_downgrade+0x900/0x900
[  318.987303]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.992399]  ? pvclock_read_flags+0x160/0x160
[  318.996884]  ? lapic_next_event+0x5a/0x90
[  319.001033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.006570]  ? kvm_clock_read+0x18/0x30
[  319.010535]  ? kvm_sched_clock_read+0x9/0x20
[  319.014939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.020462]  ? check_preemption_disabled+0x48/0x280
[  319.025475]  irq_exit+0x17f/0x1c0
[  319.028927]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.033759]  ? smp_reschedule_interrupt+0x109/0x650
[  319.038760]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.044627]  ? interrupt_entry+0xb5/0xc0
[  319.048679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.053679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.058690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.063525]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.068531]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.073536]  ? task_prio+0x50/0x50
[  319.077064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.082614]  ? check_preemption_disabled+0x48/0x280
[  319.087621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.092457]  apic_timer_interrupt+0xf/0x20
[  319.096676]  </IRQ>
[  319.098902] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  319.103828] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  319.122711] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  319.130420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  319.137673] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  319.144930] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  319.152180] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  319.159448] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  319.166726]  skb_clone+0x1bb/0x500
[  319.170252]  ? finish_task_switch+0x615/0x910
[  319.174733]  ? skb_split+0x11e0/0x11e0
[  319.178605]  ? preempt_notifier_register+0x200/0x200
[  319.183693]  ? __switch_to_asm+0x34/0x70
[  319.187736]  ? __switch_to_asm+0x34/0x70
[  319.191780]  ? __switch_to_asm+0x40/0x70
[  319.195824]  ? __switch_to_asm+0x34/0x70
[  319.199959]  ? __switch_to_asm+0x40/0x70
[  319.204006]  ? __switch_to_asm+0x34/0x70
[  319.208050]  ? __switch_to_asm+0x40/0x70
[  319.212091]  ? __switch_to_asm+0x34/0x70
[  319.216138]  ? __switch_to_asm+0x34/0x70
[  319.220181]  ? __switch_to_asm+0x40/0x70
[  319.224223]  ? __switch_to_asm+0x34/0x70
[  319.228290]  bpf_clone_redirect+0xb9/0x490
[  319.232511]  ? __schedule+0x8d7/0x21d0
[  319.236393]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  319.241411]  ? __sched_text_start+0x8/0x8
[  319.245576]  ? retint_kernel+0x2d/0x2d
[  319.249457]  ? find_held_lock+0x36/0x1c0
[  319.253509]  ? lock_acquire+0x1ed/0x520
[  319.257471]  ? bpf_test_run+0x3ee/0x7a0
[  319.261428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.266954]  ? check_preemption_disabled+0x48/0x280
[  319.271964]  ? kasan_check_read+0x11/0x20
[  319.276110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.281373]  ? rcu_softirq_qs+0x20/0x20
[  319.285341]  ? preempt_schedule+0x4d/0x60
[  319.289479]  ? ___preempt_schedule+0x16/0x18
[  319.293878]  ? bpf_test_run+0x271/0x7a0
[  319.297863]  ? eth_type_trans+0x2ea/0x760
[  319.302012]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.306415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.311938]  ? bpf_test_init.isra.10+0x70/0x100
[  319.316594]  ? bpf_prog_test_run_skb+0x762/0xd60
[  319.321335]  ? apparmor_cred_transfer+0x590/0x590
[  319.326166]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  319.331003]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.336526]  ? fput+0x130/0x1a0
[  319.339795]  ? __bpf_prog_get+0x9b/0x290
[  319.343842]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  319.348676]  ? bpf_prog_test_run+0x130/0x1a0
[  319.353077]  ? __x64_sys_bpf+0x3d8/0x520
[  319.357137]  ? bpf_prog_get+0x20/0x20
[  319.360938]  ? do_syscall_64+0x1b9/0x820
[  319.364987]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.370354]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.375275]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.380281]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.385281]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  319.391930]  ? __switch_to_asm+0x40/0x70
[  319.395976]  ? __switch_to_asm+0x34/0x70
[  319.400028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.404863]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.410237] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  319.410301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.417062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.417068] Call Trace:
[  319.423613] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.432861]  <IRQ>
[  319.435420] syz-executor4 cpuset=syz4 mems_allowed=0
[  319.445890]  dump_stack+0x244/0x39d
[  319.456724]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.461911]  warn_alloc.cold.116+0xb7/0x1bd
[  319.466219]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.471060]  ? lock_downgrade+0x900/0x900
[  319.475207]  ? trace_hardirqs_off+0xb8/0x310
[  319.479607]  ? trace_hardirqs_off+0xb8/0x310
[  319.484006]  __alloc_pages_slowpath+0x2651/0x2de0
[  319.488856]  ? warn_alloc+0x120/0x120
[  319.492651]  ? print_usage_bug+0xc0/0xc0
[  319.496701]  ? warn_alloc+0x120/0x120
[  319.500510]  ? warn_alloc+0x120/0x120
[  319.504303]  ? print_usage_bug+0xc0/0xc0
[  319.508355]  ? print_usage_bug+0xc0/0xc0
[  319.512410]  ? __lock_acquire+0x62f/0x4c20
[  319.516636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.522161]  ? should_fail+0x22d/0xd01
[  319.526040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.531128]  ? __lock_acquire+0x62f/0x4c20
[  319.535354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.540447]  ? __lock_acquire+0x62f/0x4c20
[  319.544669]  ? should_fail+0x22d/0xd01
[  319.548555]  ? find_held_lock+0x36/0x1c0
[  319.552608]  ? mark_held_locks+0x130/0x130
[  319.556835]  ? mark_held_locks+0x130/0x130
[  319.561054]  ? zap_class+0x640/0x640
[  319.564759]  ? zap_class+0x640/0x640
[  319.568461]  ? print_usage_bug+0xc0/0xc0
[  319.572508]  ? do_raw_spin_unlock+0xa7/0x330
[  319.576905]  ? zap_class+0x640/0x640
[  319.580610]  ? print_usage_bug+0xc0/0xc0
[  319.584661]  ? wq_watchdog_touch+0x9c/0xfe
[  319.588898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.594514]  ? check_preemption_disabled+0x48/0x280
[  319.599526]  ? __lock_is_held+0xb5/0x140
[  319.603578]  __alloc_pages_nodemask+0xad8/0xea0
[  319.608233]  ? zap_class+0x640/0x640
[  319.611936]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  319.616955]  ? find_held_lock+0x36/0x1c0
[  319.621008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.625661]  ? lock_downgrade+0x900/0x900
[  319.629801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.635330]  cache_grow_begin+0xa5/0x8c0
[  319.639381]  ? do_raw_spin_unlock+0xa7/0x330
[  319.643783]  fallback_alloc+0x204/0x2e0
[  319.647753]  ____cache_alloc_node+0x1c7/0x1e0
[  319.652239]  kmem_cache_alloc_node+0xe3/0x730
[  319.656718]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.661078]  __alloc_skb+0x119/0x770
[  319.664780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.670046]  ? netdev_alloc_frag+0x1f0/0x1f0
[  319.674441]  ? lock_downgrade+0x900/0x900
[  319.678582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.684108]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.689552]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.695254]  ? addrconf_rs_timer+0x690/0x690
[  319.699743]  ndisc_alloc_skb+0x144/0x340
[  319.703794]  ndisc_send_rs+0x331/0x6e0
[  319.707674]  addrconf_rs_timer+0x314/0x690
[  319.711900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.716130]  call_timer_fn+0x272/0x920
[  319.720003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.724224]  ? process_timeout+0x40/0x40
[  319.728281]  ? mark_held_locks+0xc7/0x130
[  319.732419]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.736923]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.741403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.745626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  319.750194]  ? trace_hardirqs_on+0xbd/0x310
[  319.754505]  ? kasan_check_read+0x11/0x20
[  319.758657]  ? __run_timers+0x7da/0xc70
[  319.762617]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.767718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.771943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.776162]  __run_timers+0x7e5/0xc70
[  319.779959]  ? timer_fixup_init+0x70/0x70
[  319.784091]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  319.789089]  ? zap_class+0x640/0x640
[  319.792791]  ? print_usage_bug+0xc0/0xc0
[  319.796841]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  319.802028]  ? find_held_lock+0x36/0x1c0
[  319.806076]  ? zap_class+0x640/0x640
[  319.809777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.815302]  ? check_preemption_disabled+0x48/0x280
[  319.820310]  ? __lock_is_held+0xb5/0x140
[  319.824359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.829882]  ? check_preemption_disabled+0x48/0x280
[  319.834897]  run_timer_softirq+0x52/0xb0
[  319.838946]  ? rcu_read_lock_sched_held+0x14f/0x180
[  319.843954]  __do_softirq+0x308/0xb7e
[  319.847745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  319.852227]  ? lock_downgrade+0x900/0x900
[  319.856371]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  319.861481]  ? pvclock_read_flags+0x160/0x160
[  319.865983]  ? lapic_next_event+0x5a/0x90
[  319.870120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.875648]  ? kvm_clock_read+0x18/0x30
[  319.879612]  ? kvm_sched_clock_read+0x9/0x20
[  319.884010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.889535]  ? check_preemption_disabled+0x48/0x280
[  319.894550]  irq_exit+0x17f/0x1c0
[  319.897997]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.902825]  ? smp_reschedule_interrupt+0x109/0x650
[  319.907841]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.913709]  ? interrupt_entry+0xb5/0xc0
[  319.917756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.922762]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.927768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.932601]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.937608]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.942621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.947458]  apic_timer_interrupt+0xf/0x20
[  319.951671]  </IRQ>
[  319.953900] RIP: 0010:dump_stack+0x358/0x39d
[  319.958295] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  319.977177] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  319.984895] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  319.992153] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  319.999409] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  320.006664] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  320.013916] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  320.021180]  ? dump_stack+0x34f/0x39d
[  320.024978]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.030159]  ? mark_held_locks+0x130/0x130
[  320.034379]  ? mark_held_locks+0x130/0x130
[  320.038601]  dump_header+0x27b/0xf72
[  320.042311]  ? pagefault_out_of_memory+0x197/0x197
[  320.047237]  ? __lock_acquire+0x62f/0x4c20
[  320.051460]  ? percpu_ref_get_many+0x240/0x240
[  320.056031]  ? print_usage_bug+0xc0/0xc0
[  320.060083]  ? zap_class+0x640/0x640
[  320.063785]  ? print_usage_bug+0xc0/0xc0
[  320.067842]  ? print_usage_bug+0xc0/0xc0
[  320.071907]  ? zap_class+0x640/0x640
[  320.075610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.081136]  ? find_held_lock+0x36/0x1c0
[  320.085191]  ? mark_held_locks+0xc7/0x130
[  320.089326]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.094419]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.099511]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.104081]  ? trace_hardirqs_on+0xbd/0x310
[  320.108391]  ? kasan_check_read+0x11/0x20
[  320.112542]  ? ___ratelimit+0x3b4/0x672
[  320.116508]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.121599]  ? trace_hardirqs_on+0x310/0x310
[  320.125999]  ? lock_downgrade+0x900/0x900
[  320.130140]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.135228]  ? ___ratelimit+0x3b9/0x672
[  320.139188]  ? idr_get_free+0xf70/0xf70
[  320.143159]  ? find_held_lock+0x36/0x1c0
[  320.147217]  oom_kill_process.cold.27+0x10/0x903
[  320.151960]  ? zap_class+0x640/0x640
[  320.155664]  ? check_preemption_disabled+0x48/0x280
[  320.160672]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.165592]  ? kasan_check_read+0x11/0x20
[  320.169723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.174988]  ? oom_evaluate_task+0x540/0x540
[  320.179383]  ? find_held_lock+0x36/0x1c0
[  320.183439]  ? out_of_memory+0x974/0x1430
[  320.187574]  ? lock_downgrade+0x900/0x900
[  320.191709]  ? check_preemption_disabled+0x48/0x280
[  320.196715]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.201630]  ? kasan_check_read+0x11/0x20
[  320.205767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.211030]  ? rcu_softirq_qs+0x20/0x20
[  320.215015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.220545]  ? oom_evaluate_task+0x302/0x540
[  320.224939]  out_of_memory+0xa84/0x1430
[  320.228903]  ? oom_killer_disable+0x3a0/0x3a0
[  320.233386]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  320.238306]  ? __ww_mutex_check_waiters+0x160/0x160
[  320.243348]  __alloc_pages_slowpath+0x232c/0x2de0
[  320.248201]  ? warn_alloc+0x120/0x120
[  320.251987]  ? mark_held_locks+0x130/0x130
[  320.256212]  ? find_get_entry+0xaae/0x1120
[  320.260444]  ? filemap_map_pages+0x1a20/0x1a20
[  320.265016]  ? zap_class+0x640/0x640
[  320.268719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.274242]  ? check_preemption_disabled+0x48/0x280
[  320.279245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.284770]  ? should_fail+0x22d/0xd01
[  320.288648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.293736]  ? zap_class+0x640/0x640
[  320.297555]  ? __lock_is_held+0xb5/0x140
[  320.301642]  ? mark_held_locks+0x130/0x130
[  320.305865]  ? lock_release+0xa00/0xa00
[  320.309833]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.315268]  ? xa_load+0x2ba/0x460
[  320.318799]  ? lock_downgrade+0x900/0x900
[  320.322943]  ? __might_sleep+0x95/0x190
[  320.326910]  __alloc_pages_nodemask+0xad8/0xea0
[  320.331574]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  320.336579]  ? __page_cache_alloc+0x191/0x5c0
[  320.341062]  ? xa_load+0x2e1/0x460
[  320.344606]  ? xa_clear_mark+0x40/0x40
[  320.348484]  ? zap_class+0x640/0x640
[  320.352192]  ? zap_class+0x640/0x640
[  320.355891]  ? zap_class+0x640/0x640
[  320.359592]  ? __do_page_cache_readahead+0x663/0x810
[  320.364689]  ? find_held_lock+0x36/0x1c0
[  320.368744]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.374276]  alloc_pages_current+0x173/0x350
[  320.378688]  __page_cache_alloc+0x38c/0x5c0
[  320.382995]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.387910]  ? kasan_check_read+0x11/0x20
[  320.392043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.397312]  ? generic_perform_write+0x6a0/0x6a0
[  320.402057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.407580]  ? check_preemption_disabled+0x48/0x280
[  320.412585]  filemap_fault+0x1595/0x25f0
[  320.416645]  ? __lock_page_or_retry+0xa00/0xa00
[  320.421306]  ? mark_held_locks+0x130/0x130
[  320.425539]  ? filemap_map_pages+0xd6b/0x1a20
[  320.430020]  ? lock_downgrade+0x900/0x900
[  320.434153]  ? check_preemption_disabled+0x48/0x280
[  320.439157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.444077]  ? kasan_check_read+0x11/0x20
[  320.448212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.453518]  ? rcu_softirq_qs+0x20/0x20
[  320.457490]  ? filemap_map_pages+0xd92/0x1a20
[  320.461982]  ? find_get_entries_tag+0x1400/0x1400
[  320.466825]  ? __kernel_text_address+0xd/0x40
[  320.471318]  ? unwind_get_return_address+0x61/0xa0
[  320.476252]  ? lock_acquire+0x1ed/0x520
[  320.480212]  ? ext4_filemap_fault+0x7a/0xad
[  320.484536]  ? lock_release+0xa00/0xa00
[  320.488530]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.493982]  ? print_usage_bug+0xc0/0xc0
[  320.498033]  ? print_usage_bug+0xc0/0xc0
[  320.502082]  ? __x64_sys_read+0x73/0xb0
[  320.506043]  ? print_usage_bug+0xc0/0xc0
[  320.510108]  ? down_read+0x8d/0x120
[  320.513728]  ? ext4_filemap_fault+0x7a/0xad
[  320.518034]  ? __down_interruptible+0x700/0x700
[  320.522693]  ext4_filemap_fault+0x82/0xad
[  320.527055]  __do_fault+0x100/0x6b0
[  320.530674]  ? trace_hardirqs_on+0xbd/0x310
[  320.534984]  ? pmd_devmap_trans_unstable+0x220/0x220
[  320.540073]  ? mark_held_locks+0x130/0x130
[  320.544298]  ? mark_held_locks+0x130/0x130
[  320.548517]  ? do_syslog+0x147b/0x1690
[  320.552395]  ? do_syslog+0x309/0x1690
[  320.556186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.561715]  __handle_mm_fault+0x3ea0/0x5be0
[  320.566117]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  320.570950]  ? find_held_lock+0x36/0x1c0
[  320.575015]  ? zap_class+0x640/0x640
[  320.578718]  ? zap_class+0x640/0x640
[  320.582422]  ? find_held_lock+0x36/0x1c0
[  320.586481]  ? handle_mm_fault+0x42a/0xc70
[  320.590722]  ? lock_downgrade+0x900/0x900
[  320.594868]  ? check_preemption_disabled+0x48/0x280
[  320.599870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.604792]  ? kasan_check_read+0x11/0x20
[  320.608926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.614188]  ? rcu_softirq_qs+0x20/0x20
[  320.618151]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.623259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.628800]  ? check_preemption_disabled+0x48/0x280
[  320.633896]  handle_mm_fault+0x54f/0xc70
[  320.637950]  ? __handle_mm_fault+0x5be0/0x5be0
[  320.642521]  ? find_vma+0x34/0x190
[  320.646051]  __do_page_fault+0x5e8/0xe60
[  320.650097]  ? trace_hardirqs_off+0xb8/0x310
[  320.654495]  ? kernel_write+0x120/0x120
[  320.658460]  do_page_fault+0xf2/0x7e0
[  320.662251]  ? vmalloc_sync_all+0x30/0x30
[  320.666385]  ? error_entry+0x70/0xd0
[  320.670084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.675089]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.680009]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.684927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.689755]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.695243]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.700685]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  320.705689]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.710714]  ? page_fault+0x8/0x30
[  320.714252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.719081]  ? page_fault+0x8/0x30
[  320.722604]  page_fault+0x1e/0x30
[  320.726040] RIP: 0033:0x7f71188e71fd
[  320.729746] Code: Bad RIP value.
[  320.733102] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  320.738453] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  320.745713] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  320.752973] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  320.760227] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  320.767482] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  320.774750] warn_alloc_show_mem: 1 callbacks suppressed
[  320.774759] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  320.774760] Mem-Info:
[  320.774797] active_anon:46284 inactive_anon:276 isolated_anon:0
[  320.774797]  active_file:13 inactive_file:11 isolated_file:0
[  320.774797]  unevictable:0 dirty:0 writeback:0 unstable:0
[  320.774797]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  320.774797]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  320.774797]  free:13741 free_pcp:339 free_cma:0
[  320.780121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.780127] Call Trace:
[  320.787391] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  320.789780]  <IRQ>
[  320.822626] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  320.831979]  dump_stack+0x244/0x39d
[  320.834528] lowmem_reserve[]: 0 2818 6321 6321
[  320.862181]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.864298] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  320.890477]  warn_alloc.cold.116+0xb7/0x1bd
[  320.894066] lowmem_reserve[]: 0 0 3503 3503
[  320.898649]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.903805] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  320.931371]  ? lock_downgrade+0x900/0x900
[  320.935652] lowmem_reserve[]: 0 0 0 0
[  320.939966]  ? trace_hardirqs_off+0xb8/0x310
[  320.944772] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  320.973817]  ? trace_hardirqs_off+0xb8/0x310
[  320.977926] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  320.981721]  __alloc_pages_slowpath+0x2651/0x2de0
[  320.986088] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  320.999619]  ? warn_alloc+0x120/0x120
[  321.003982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.019126]  ? print_usage_bug+0xc0/0xc0
[  321.023947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.038856]  ? warn_alloc+0x120/0x120
[  321.042627] 358 total pagecache pages
[  321.051444]  ? warn_alloc+0x120/0x120
[  321.055479] 0 pages in swap cache
[  321.064130]  ? print_usage_bug+0xc0/0xc0
[  321.067895] Swap cache stats: add 0, delete 0, find 0/0
[  321.067901] Free swap  = 0kB
[  321.071681]  ? kvm_clock_read+0x18/0x30
[  321.075446] Total swap = 0kB
[  321.075453] 1965979 pages RAM
[  321.078888]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  321.082920] 0 pages HighMem/MovableOnly
[  321.082926] 342854 pages reserved
[  321.088274]  ? print_usage_bug+0xc0/0xc0
[  321.091268] 0 pages cma reserved
[  321.095222]  ? __lock_acquire+0x62f/0x4c20
[  321.098278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.101317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.107030] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.110254]  ? should_fail+0x22d/0xd01
[  321.110270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.113692] rsyslogd cpuset=/ mems_allowed=0
[  321.117834]  ? __lock_acquire+0x62f/0x4c20
[  321.164942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.170033]  ? __lock_acquire+0x62f/0x4c20
[  321.174252]  ? should_fail+0x22d/0xd01
[  321.178136]  ? mark_held_locks+0x130/0x130
[  321.182359]  ? mark_held_locks+0x130/0x130
[  321.186590]  ? zap_class+0x640/0x640
[  321.190291]  ? print_usage_bug+0xc0/0xc0
[  321.194343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.199882]  ? check_preemption_disabled+0x48/0x280
[  321.204890]  ? __lock_is_held+0xb5/0x140
[  321.208942]  __alloc_pages_nodemask+0xad8/0xea0
[  321.213597]  ? zap_class+0x640/0x640
[  321.217302]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  321.222315]  ? find_held_lock+0x36/0x1c0
[  321.226367]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.231022]  ? lock_downgrade+0x900/0x900
[  321.235160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.240688]  cache_grow_begin+0xa5/0x8c0
[  321.244743]  ? do_raw_spin_unlock+0xa7/0x330
[  321.249142]  fallback_alloc+0x204/0x2e0
[  321.253103]  ____cache_alloc_node+0x1c7/0x1e0
[  321.257585]  kmem_cache_alloc_node+0xe3/0x730
[  321.262070]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.266297]  __alloc_skb+0x119/0x770
[  321.269997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.275263]  ? netdev_alloc_frag+0x1f0/0x1f0
[  321.279657]  ? lock_downgrade+0x900/0x900
[  321.283799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.289336]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.294775]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.300211]  ? addrconf_rs_timer+0x690/0x690
[  321.304617]  ndisc_alloc_skb+0x144/0x340
[  321.308674]  ndisc_send_rs+0x331/0x6e0
[  321.312555]  addrconf_rs_timer+0x314/0x690
[  321.316780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.321008]  call_timer_fn+0x272/0x920
[  321.324885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.329110]  ? process_timeout+0x40/0x40
[  321.333165]  ? __run_timers+0x7da/0xc70
[  321.337127]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.341609]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.346089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.350313]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.354884]  ? trace_hardirqs_on+0xbd/0x310
[  321.359189]  ? kasan_check_read+0x11/0x20
[  321.363321]  ? __run_timers+0x7da/0xc70
[  321.367281]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.372379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.376614]  __run_timers+0x7e5/0xc70
[  321.380410]  ? timer_fixup_init+0x70/0x70
[  321.384549]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.389554]  ? zap_class+0x640/0x640
[  321.393255]  ? enqueue_hrtimer+0x1a5/0x560
[  321.397492]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.402673]  ? find_held_lock+0x36/0x1c0
[  321.406737]  ? zap_class+0x640/0x640
[  321.410442]  ? pvclock_read_flags+0x160/0x160
[  321.414934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.420459]  ? check_preemption_disabled+0x48/0x280
[  321.425466]  ? __lock_is_held+0xb5/0x140
[  321.429517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.435043]  ? check_preemption_disabled+0x48/0x280
[  321.440050]  run_timer_softirq+0x52/0xb0
[  321.444096]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.449101]  __do_softirq+0x308/0xb7e
[  321.452892]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.457370]  ? lock_downgrade+0x900/0x900
[  321.461520]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.466613]  ? pvclock_read_flags+0x160/0x160
[  321.471095]  ? lapic_next_event+0x5a/0x90
[  321.475231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.480778]  ? kvm_clock_read+0x18/0x30
[  321.484740]  ? kvm_sched_clock_read+0x9/0x20
[  321.489138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.494677]  ? check_preemption_disabled+0x48/0x280
[  321.499696]  irq_exit+0x17f/0x1c0
[  321.503150]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.507979]  ? smp_reschedule_interrupt+0x109/0x650
[  321.512984]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.518953]  ? interrupt_entry+0xb5/0xc0
[  321.523000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.528006]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.533009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.537833]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.542846]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.547857]  ? task_prio+0x50/0x50
[  321.551383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.556907]  ? check_preemption_disabled+0x48/0x280
[  321.561913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.566750]  apic_timer_interrupt+0xf/0x20
[  321.570968]  </IRQ>
[  321.573210] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  321.578143] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  321.597029] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  321.604726] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  321.611981] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  321.619234] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  321.626493] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  321.633750] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  321.641031]  skb_clone+0x1bb/0x500
[  321.644565]  ? finish_task_switch+0x615/0x910
[  321.649056]  ? skb_split+0x11e0/0x11e0
[  321.652932]  ? preempt_notifier_register+0x200/0x200
[  321.658024]  ? __switch_to_asm+0x34/0x70
[  321.662072]  ? __switch_to_asm+0x34/0x70
[  321.666114]  ? __switch_to_asm+0x40/0x70
[  321.670160]  ? __switch_to_asm+0x34/0x70
[  321.674204]  ? __switch_to_asm+0x40/0x70
[  321.678249]  ? __switch_to_asm+0x34/0x70
[  321.682299]  ? __switch_to_asm+0x40/0x70
[  321.686343]  ? __switch_to_asm+0x34/0x70
[  321.690387]  ? __switch_to_asm+0x34/0x70
[  321.694433]  ? __switch_to_asm+0x40/0x70
[  321.698476]  ? __switch_to_asm+0x34/0x70
[  321.702533]  bpf_clone_redirect+0xb9/0x490
[  321.706755]  ? __schedule+0x8d7/0x21d0
[  321.710640]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  321.715643]  ? __sched_text_start+0x8/0x8
[  321.719785]  ? retint_kernel+0x2d/0x2d
[  321.723665]  ? find_held_lock+0x36/0x1c0
[  321.727728]  ? lock_acquire+0x1ed/0x520
[  321.731699]  ? bpf_test_run+0x3ee/0x7a0
[  321.735678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.741213]  ? check_preemption_disabled+0x48/0x280
[  321.746224]  ? kasan_check_read+0x11/0x20
[  321.750359]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.755623]  ? rcu_softirq_qs+0x20/0x20
[  321.759589]  ? preempt_schedule+0x4d/0x60
[  321.763743]  ? ___preempt_schedule+0x16/0x18
[  321.768174]  ? bpf_test_run+0x271/0x7a0
[  321.772145]  ? eth_type_trans+0x2ea/0x760
[  321.776287]  ? netlink_diag_dump+0x2a0/0x2a0
[  321.780701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.786226]  ? bpf_test_init.isra.10+0x70/0x100
[  321.790886]  ? bpf_prog_test_run_skb+0x762/0xd60
[  321.795633]  ? apparmor_cred_transfer+0x590/0x590
[  321.800469]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.805304]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.810825]  ? fput+0x130/0x1a0
[  321.814096]  ? __bpf_prog_get+0x9b/0x290
[  321.818148]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.822979]  ? bpf_prog_test_run+0x130/0x1a0
[  321.827380]  ? __x64_sys_bpf+0x3d8/0x520
[  321.831425]  ? bpf_prog_get+0x20/0x20
[  321.835234]  ? do_syscall_64+0x1b9/0x820
[  321.839284]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.844641]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.849560]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.854565]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.859564]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  321.866216]  ? __switch_to_asm+0x40/0x70
[  321.870264]  ? __switch_to_asm+0x34/0x70
[  321.874317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.879149]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.884511] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  321.884568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.891330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.891334] Call Trace:
[  321.891338]  <IRQ>
[  321.891351]  dump_stack+0x244/0x39d
[  321.891366]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.897867] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.907172]  warn_alloc.cold.116+0xb7/0x1bd
[  321.909719] syz-executor4 cpuset=syz4 mems_allowed=0
[  321.911848]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.945266]  ? lock_downgrade+0x900/0x900
[  321.949408]  ? trace_hardirqs_off+0xb8/0x310
[  321.953808]  ? trace_hardirqs_off+0xb8/0x310
[  321.958205]  __alloc_pages_slowpath+0x2651/0x2de0
[  321.963056]  ? warn_alloc+0x120/0x120
[  321.966845]  ? warn_alloc+0x120/0x120
[  321.970630]  ? rcu_softirq_qs+0x20/0x20
[  321.974597]  ? warn_alloc+0x120/0x120
[  321.978387]  ? print_usage_bug+0xc0/0xc0
[  321.982524]  ? print_usage_bug+0xc0/0xc0
[  321.986573]  ? print_usage_bug+0xc0/0xc0
[  321.990625]  ? print_usage_bug+0xc0/0xc0
[  321.994685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.000212]  ? should_fail+0x22d/0xd01
[  322.004100]  ? print_usage_bug+0xc0/0xc0
[  322.008146]  ? kasan_check_read+0x11/0x20
[  322.012290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.017399]  ? __lock_acquire+0x62f/0x4c20
[  322.021624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.026713]  ? should_fail+0x22d/0xd01
[  322.030600]  ? mark_held_locks+0x130/0x130
[  322.034828]  ? mark_held_locks+0x130/0x130
[  322.039074]  ? zap_class+0x640/0x640
[  322.042774]  ? mark_held_locks+0x130/0x130
[  322.047010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.052530]  ? check_preemption_disabled+0x48/0x280
[  322.057556]  ? __lock_is_held+0xb5/0x140
[  322.061605]  __alloc_pages_nodemask+0xad8/0xea0
[  322.066259]  ? zap_class+0x640/0x640
[  322.069964]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  322.074974]  ? find_held_lock+0x36/0x1c0
[  322.079029]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.083684]  ? lock_downgrade+0x900/0x900
[  322.087822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.093350]  cache_grow_begin+0xa5/0x8c0
[  322.097396]  ? do_raw_spin_unlock+0xa7/0x330
[  322.101798]  fallback_alloc+0x204/0x2e0
[  322.105764]  ____cache_alloc_node+0x1c7/0x1e0
[  322.110255]  kmem_cache_alloc_node+0xe3/0x730
[  322.114740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.119316]  __alloc_skb+0x119/0x770
[  322.123018]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  322.128369]  ? netdev_alloc_frag+0x1f0/0x1f0
[  322.132767]  ? lock_acquire+0x1ed/0x520
[  322.136730]  ? aoecmd_cfg+0x108/0x7f0
[  322.140516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.146036]  ? check_preemption_disabled+0x48/0x280
[  322.151040]  ? kasan_check_read+0x11/0x20
[  322.155175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.160442]  ? rcu_softirq_qs+0x20/0x20
[  322.164410]  new_skb+0x26/0x1c0
[  322.167678]  aoecmd_cfg+0x279/0x7f0
[  322.171383]  ? find_held_lock+0x36/0x1c0
[  322.175438]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  322.179753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.185295]  ? check_preemption_disabled+0x48/0x280
[  322.190310]  ? __lock_is_held+0xb5/0x140
[  322.194378]  discover_timer+0x50/0x60
[  322.198176]  call_timer_fn+0x272/0x920
[  322.202060]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  322.206897]  ? process_timeout+0x40/0x40
[  322.210964]  ? mark_held_locks+0xc7/0x130
[  322.215107]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.219594]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.224082]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  322.228917]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.233494]  ? trace_hardirqs_on+0xbd/0x310
[  322.237807]  ? kasan_check_read+0x11/0x20
[  322.241953]  ? __run_timers+0x7da/0xc70
[  322.245925]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.251029]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  322.255860]  __run_timers+0x7e5/0xc70
[  322.259671]  ? timer_fixup_init+0x70/0x70
[  322.263817]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.268831]  ? zap_class+0x640/0x640
[  322.272542]  ? print_usage_bug+0xc0/0xc0
[  322.276598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.281788]  ? find_held_lock+0x36/0x1c0
[  322.285849]  ? zap_class+0x640/0x640
[  322.289561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.295093]  ? check_preemption_disabled+0x48/0x280
[  322.300111]  ? __lock_is_held+0xb5/0x140
[  322.304174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.309709]  ? check_preemption_disabled+0x48/0x280
[  322.314721]  run_timer_softirq+0x52/0xb0
[  322.318777]  ? rcu_read_lock_sched_held+0x14f/0x180
[  322.323791]  __do_softirq+0x308/0xb7e
[  322.327589]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  322.332079]  ? lock_downgrade+0x900/0x900
[  322.336223]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  322.341327]  ? pvclock_read_flags+0x160/0x160
[  322.345817]  ? lapic_next_event+0x5a/0x90
[  322.349960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.355488]  ? kvm_clock_read+0x18/0x30
[  322.359450]  ? kvm_sched_clock_read+0x9/0x20
[  322.363850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.369382]  ? check_preemption_disabled+0x48/0x280
[  322.374489]  irq_exit+0x17f/0x1c0
[  322.377938]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.382777]  ? smp_reschedule_interrupt+0x109/0x650
[  322.387790]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.393666]  ? interrupt_entry+0xb5/0xc0
[  322.397725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.402733]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.407776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.412609]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.417631]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.422658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.427502]  apic_timer_interrupt+0xf/0x20
[  322.431724]  </IRQ>
[  322.434042] RIP: 0010:dump_stack+0x358/0x39d
[  322.438446] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  322.457334] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  322.465033] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  322.472390] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  322.479649] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  322.486909] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  322.494175] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  322.501449]  ? dump_stack+0x34f/0x39d
[  322.505247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  322.510448]  ? mark_held_locks+0x130/0x130
[  322.514676]  ? mark_held_locks+0x130/0x130
[  322.518903]  dump_header+0x27b/0xf72
[  322.522620]  ? pagefault_out_of_memory+0x197/0x197
[  322.527812]  ? __lock_acquire+0x62f/0x4c20
[  322.532040]  ? percpu_ref_get_many+0x240/0x240
[  322.536611]  ? print_usage_bug+0xc0/0xc0
[  322.540672]  ? zap_class+0x640/0x640
[  322.544393]  ? print_usage_bug+0xc0/0xc0
[  322.548443]  ? print_usage_bug+0xc0/0xc0
[  322.552491]  ? zap_class+0x640/0x640
[  322.556198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.561726]  ? find_held_lock+0x36/0x1c0
[  322.565781]  ? mark_held_locks+0xc7/0x130
[  322.569915]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.575003]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.580090]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.584662]  ? trace_hardirqs_on+0xbd/0x310
[  322.588990]  ? kasan_check_read+0x11/0x20
[  322.593125]  ? ___ratelimit+0x3b4/0x672
[  322.597087]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.602173]  ? trace_hardirqs_on+0x310/0x310
[  322.606567]  ? lock_downgrade+0x900/0x900
[  322.610703]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.615792]  ? ___ratelimit+0x3b9/0x672
[  322.619752]  ? idr_get_free+0xf70/0xf70
[  322.623721]  ? find_held_lock+0x36/0x1c0
[  322.627792]  oom_kill_process.cold.27+0x10/0x903
[  322.632537]  ? zap_class+0x640/0x640
[  322.636242]  ? check_preemption_disabled+0x48/0x280
[  322.641256]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.646177]  ? kasan_check_read+0x11/0x20
[  322.650314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.655578]  ? oom_evaluate_task+0x540/0x540
[  322.659980]  ? find_held_lock+0x36/0x1c0
[  322.664061]  ? out_of_memory+0x974/0x1430
[  322.668209]  ? lock_downgrade+0x900/0x900
[  322.672363]  ? check_preemption_disabled+0x48/0x280
[  322.677372]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.682295]  ? kasan_check_read+0x11/0x20
[  322.686433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.691704]  ? rcu_softirq_qs+0x20/0x20
[  322.696132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.701660]  ? oom_evaluate_task+0x302/0x540
[  322.706057]  out_of_memory+0xa84/0x1430
[  322.710031]  ? oom_killer_disable+0x3a0/0x3a0
[  322.714519]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  322.719442]  ? __ww_mutex_check_waiters+0x160/0x160
[  322.724454]  __alloc_pages_slowpath+0x232c/0x2de0
[  322.729310]  ? warn_alloc+0x120/0x120
[  322.733107]  ? mark_held_locks+0x130/0x130
[  322.737342]  ? find_get_entry+0xaae/0x1120
[  322.741580]  ? filemap_map_pages+0x1a20/0x1a20
[  322.746166]  ? zap_class+0x640/0x640
[  322.749877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.755411]  ? check_preemption_disabled+0x48/0x280
[  322.760420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.765955]  ? should_fail+0x22d/0xd01
[  322.769839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.774940]  ? zap_class+0x640/0x640
[  322.778674]  ? __lock_is_held+0xb5/0x140
[  322.782737]  ? mark_held_locks+0x130/0x130
[  322.786981]  ? lock_release+0xa00/0xa00
[  322.790951]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.796390]  ? xa_load+0x2ba/0x460
[  322.799921]  ? lock_downgrade+0x900/0x900
[  322.804065]  ? __might_sleep+0x95/0x190
[  322.808033]  __alloc_pages_nodemask+0xad8/0xea0
[  322.812700]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  322.817709]  ? __page_cache_alloc+0x191/0x5c0
[  322.822195]  ? xa_load+0x2e1/0x460
[  322.825730]  ? xa_clear_mark+0x40/0x40
[  322.829613]  ? zap_class+0x640/0x640
[  322.833323]  ? zap_class+0x640/0x640
[  322.837031]  ? zap_class+0x640/0x640
[  322.840736]  ? __do_page_cache_readahead+0x663/0x810
[  322.845833]  ? find_held_lock+0x36/0x1c0
[  322.849889]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  322.855428]  alloc_pages_current+0x173/0x350
[  322.859831]  __page_cache_alloc+0x38c/0x5c0
[  322.864139]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.869056]  ? kasan_check_read+0x11/0x20
[  322.873191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.878458]  ? generic_perform_write+0x6a0/0x6a0
[  322.883204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.888737]  ? check_preemption_disabled+0x48/0x280
[  322.893761]  filemap_fault+0x1595/0x25f0
[  322.897829]  ? __lock_page_or_retry+0xa00/0xa00
[  322.902499]  ? mark_held_locks+0x130/0x130
[  322.906738]  ? filemap_map_pages+0xd6b/0x1a20
[  322.911234]  ? lock_downgrade+0x900/0x900
[  322.915374]  ? check_preemption_disabled+0x48/0x280
[  322.920467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.925402]  ? kasan_check_read+0x11/0x20
[  322.929541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.934808]  ? rcu_softirq_qs+0x20/0x20
[  322.938787]  ? filemap_map_pages+0xd92/0x1a20
[  322.943285]  ? find_get_entries_tag+0x1400/0x1400
[  322.948122]  ? __kernel_text_address+0xd/0x40
[  322.952710]  ? unwind_get_return_address+0x61/0xa0
[  322.957643]  ? lock_acquire+0x1ed/0x520
[  322.961607]  ? ext4_filemap_fault+0x7a/0xad
[  322.965921]  ? lock_release+0xa00/0xa00
[  322.969894]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.975334]  ? print_usage_bug+0xc0/0xc0
[  322.979383]  ? print_usage_bug+0xc0/0xc0
[  322.983431]  ? __x64_sys_read+0x73/0xb0
[  322.987397]  ? print_usage_bug+0xc0/0xc0
[  322.991460]  ? down_read+0x8d/0x120
[  322.995080]  ? ext4_filemap_fault+0x7a/0xad
[  322.999400]  ? __down_interruptible+0x700/0x700
[  323.004069]  ext4_filemap_fault+0x82/0xad
[  323.008216]  __do_fault+0x100/0x6b0
[  323.011832]  ? trace_hardirqs_on+0xbd/0x310
[  323.016147]  ? pmd_devmap_trans_unstable+0x220/0x220
[  323.021249]  ? mark_held_locks+0x130/0x130
[  323.025479]  ? mark_held_locks+0x130/0x130
[  323.029705]  ? do_syslog+0x147b/0x1690
[  323.033591]  ? do_syslog+0x309/0x1690
[  323.037465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.043016]  __handle_mm_fault+0x3ea0/0x5be0
[  323.047425]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  323.052261]  ? find_held_lock+0x36/0x1c0
[  323.056329]  ? zap_class+0x640/0x640
[  323.060032]  ? zap_class+0x640/0x640
[  323.063742]  ? find_held_lock+0x36/0x1c0
[  323.067801]  ? handle_mm_fault+0x42a/0xc70
[  323.072031]  ? lock_downgrade+0x900/0x900
[  323.076171]  ? check_preemption_disabled+0x48/0x280
[  323.081180]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.086103]  ? kasan_check_read+0x11/0x20
[  323.090262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.095524]  ? rcu_softirq_qs+0x20/0x20
[  323.099490]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.104590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.110121]  ? check_preemption_disabled+0x48/0x280
[  323.115135]  handle_mm_fault+0x54f/0xc70
[  323.119190]  ? __handle_mm_fault+0x5be0/0x5be0
[  323.123772]  ? find_vma+0x34/0x190
[  323.127317]  __do_page_fault+0x5e8/0xe60
[  323.131366]  ? trace_hardirqs_off+0xb8/0x310
[  323.135760]  ? kernel_write+0x120/0x120
[  323.139736]  do_page_fault+0xf2/0x7e0
[  323.143531]  ? vmalloc_sync_all+0x30/0x30
[  323.147676]  ? error_entry+0x70/0xd0
[  323.151381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.156474]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.161398]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.166321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.171155]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.176163]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.181609]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  323.186636]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.191643]  ? page_fault+0x8/0x30
[  323.195196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.200030]  ? page_fault+0x8/0x30
[  323.203566]  page_fault+0x1e/0x30
[  323.207020] RIP: 0033:0x7f71188e71fd
[  323.210853] Code: Bad RIP value.
[  323.214204] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  323.219564] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  323.226821] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  323.234086] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  323.241346] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  323.248614] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  323.255891] warn_alloc_show_mem: 1 callbacks suppressed
[  323.255900] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  323.255902] Mem-Info:
[  323.255930] active_anon:46284 inactive_anon:276 isolated_anon:0
[  323.255930]  active_file:13 inactive_file:11 isolated_file:0
[  323.255930]  unevictable:0 dirty:0 writeback:0 unstable:0
[  323.255930]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  323.255930]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  323.255930]  free:13741 free_pcp:339 free_cma:0
[  323.261257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.261264] Call Trace:
[  323.268537] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  323.270939]  <IRQ>
[  323.303794] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  323.313135]  dump_stack+0x244/0x39d
[  323.315695] lowmem_reserve[]: 0 2818 6321 6321
[  323.343361]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.345475] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  323.371604]  warn_alloc.cold.116+0xb7/0x1bd
[  323.375193] lowmem_reserve[]: 0 0 3503 3503
[  323.379770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.384927] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  323.412494]  ? lock_downgrade+0x900/0x900
[  323.416779] lowmem_reserve[]: 0 0 0 0
[  323.421086]  ? trace_hardirqs_off+0xb8/0x310
[  323.425892] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  323.454935]  ? trace_hardirqs_off+0xb8/0x310
[  323.459047] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  323.462830]  __alloc_pages_slowpath+0x2651/0x2de0
[  323.467201] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  323.480726]  ? warn_alloc+0x120/0x120
[  323.485090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  323.500246]  ? print_usage_bug+0xc0/0xc0
[  323.505063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  323.519949]  ? warn_alloc+0x120/0x120
[  323.523716] 358 total pagecache pages
[  323.532555]  ? warn_alloc+0x120/0x120
[  323.536595] 0 pages in swap cache
[  323.545139]  ? print_usage_bug+0xc0/0xc0
[  323.548909] Swap cache stats: add 0, delete 0, find 0/0
[  323.552683]  ? print_usage_bug+0xc0/0xc0
[  323.556448] Free swap  = 0kB
[  323.559884]  ? __lock_acquire+0x62f/0x4c20
[  323.563911] Total swap = 0kB
[  323.569257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.573285] 1965979 pages RAM
[  323.576284]  ? should_fail+0x22d/0xd01
[  323.580482] 0 pages HighMem/MovableOnly
[  323.583483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.588980] 342854 pages reserved
[  323.588985] 0 pages cma reserved
[  323.592089]  ? __lock_acquire+0x62f/0x4c20
[  323.595985] aoe: skb alloc failure
[  323.599893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.599905]  ? __lock_acquire+0x62f/0x4c20
[  323.599919]  ? should_fail+0x22d/0xd01
[  323.605013] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.608422]  ? find_held_lock+0x36/0x1c0
[  323.611753] rsyslogd cpuset=/ mems_allowed=0
[  323.616059]  ? mark_held_locks+0x130/0x130
[  323.655407]  ? mark_held_locks+0x130/0x130
[  323.659631]  ? zap_class+0x640/0x640
[  323.663336]  ? zap_class+0x640/0x640
[  323.667043]  ? print_usage_bug+0xc0/0xc0
[  323.671094]  ? do_raw_spin_unlock+0xa7/0x330
[  323.675501]  ? zap_class+0x640/0x640
[  323.679211]  ? print_usage_bug+0xc0/0xc0
[  323.683254]  ? wq_watchdog_touch+0x9c/0xfe
[  323.687476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.692999]  ? check_preemption_disabled+0x48/0x280
[  323.698012]  ? __lock_is_held+0xb5/0x140
[  323.702061]  __alloc_pages_nodemask+0xad8/0xea0
[  323.706714]  ? zap_class+0x640/0x640
[  323.710421]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  323.715441]  ? find_held_lock+0x36/0x1c0
[  323.719496]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.724163]  ? lock_downgrade+0x900/0x900
[  323.728303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.733832]  cache_grow_begin+0xa5/0x8c0
[  323.737893]  ? do_raw_spin_unlock+0xa7/0x330
[  323.742298]  fallback_alloc+0x204/0x2e0
[  323.746266]  ____cache_alloc_node+0x1c7/0x1e0
[  323.750751]  kmem_cache_alloc_node+0xe3/0x730
[  323.755234]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.759461]  __alloc_skb+0x119/0x770
[  323.763160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.768426]  ? netdev_alloc_frag+0x1f0/0x1f0
[  323.772823]  ? lock_downgrade+0x900/0x900
[  323.776978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.782518]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.787960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.793397]  ? addrconf_rs_timer+0x690/0x690
[  323.797805]  ndisc_alloc_skb+0x144/0x340
[  323.801858]  ndisc_send_rs+0x331/0x6e0
[  323.805733]  addrconf_rs_timer+0x314/0x690
[  323.809961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.814194]  call_timer_fn+0x272/0x920
[  323.818068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.822289]  ? process_timeout+0x40/0x40
[  323.826345]  ? __run_timers+0x7da/0xc70
[  323.830312]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.834790]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.839273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.843492]  ? lockdep_hardirqs_on+0x296/0x5b0
[  323.848069]  ? trace_hardirqs_on+0xbd/0x310
[  323.852381]  ? kasan_check_read+0x11/0x20
[  323.856526]  ? __run_timers+0x7da/0xc70
[  323.860486]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.865594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.869835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.874059]  __run_timers+0x7e5/0xc70
[  323.877864]  ? timer_fixup_init+0x70/0x70
[  323.882000]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.887006]  ? zap_class+0x640/0x640
[  323.890712]  ? enqueue_hrtimer+0x1a5/0x560
[  323.894935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.900119]  ? find_held_lock+0x36/0x1c0
[  323.904265]  ? zap_class+0x640/0x640
[  323.907983]  ? pvclock_read_flags+0x160/0x160
[  323.912508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.918049]  ? check_preemption_disabled+0x48/0x280
[  323.923059]  ? __lock_is_held+0xb5/0x140
[  323.927107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.932635]  ? check_preemption_disabled+0x48/0x280
[  323.937645]  run_timer_softirq+0x52/0xb0
[  323.941697]  ? rcu_read_lock_sched_held+0x14f/0x180
[  323.946702]  __do_softirq+0x308/0xb7e
[  323.950521]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  323.955009]  ? lock_downgrade+0x900/0x900
[  323.959151]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  323.964248]  ? pvclock_read_flags+0x160/0x160
[  323.968731]  ? lapic_next_event+0x5a/0x90
[  323.972871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.978399]  ? kvm_clock_read+0x18/0x30
[  323.982366]  ? kvm_sched_clock_read+0x9/0x20
[  323.986765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.992296]  ? check_preemption_disabled+0x48/0x280
[  323.997322]  irq_exit+0x17f/0x1c0
[  324.000767]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.005602]  ? smp_reschedule_interrupt+0x109/0x650
[  324.010607]  ? smp_call_function_single_interrupt+0x650/0x650
[  324.016480]  ? interrupt_entry+0xb5/0xc0
[  324.020563]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.025565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.030567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.035406]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.040412]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.045514]  ? task_prio+0x50/0x50
[  324.049049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.054579]  ? check_preemption_disabled+0x48/0x280
[  324.059594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.064430]  apic_timer_interrupt+0xf/0x20
[  324.068651]  </IRQ>
[  324.070972] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  324.075892] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  324.094781] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  324.102531] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  324.109785] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  324.117054] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  324.124316] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  324.131574] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  324.138851]  skb_clone+0x1bb/0x500
[  324.142377]  ? finish_task_switch+0x615/0x910
[  324.146866]  ? skb_split+0x11e0/0x11e0
[  324.150744]  ? preempt_notifier_register+0x200/0x200
[  324.155832]  ? __switch_to_asm+0x34/0x70
[  324.159881]  ? __switch_to_asm+0x34/0x70
[  324.163935]  ? __switch_to_asm+0x40/0x70
[  324.167982]  ? __switch_to_asm+0x34/0x70
[  324.172033]  ? __switch_to_asm+0x40/0x70
[  324.176080]  ? __switch_to_asm+0x34/0x70
[  324.180127]  ? __switch_to_asm+0x40/0x70
[  324.184173]  ? __switch_to_asm+0x34/0x70
[  324.188218]  ? __switch_to_asm+0x34/0x70
[  324.192264]  ? __switch_to_asm+0x40/0x70
[  324.196307]  ? __switch_to_asm+0x34/0x70
[  324.200357]  bpf_clone_redirect+0xb9/0x490
[  324.204617]  ? __schedule+0x8d7/0x21d0
[  324.208507]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  324.213527]  ? __sched_text_start+0x8/0x8
[  324.217659]  ? retint_kernel+0x2d/0x2d
[  324.221557]  ? find_held_lock+0x36/0x1c0
[  324.225607]  ? lock_acquire+0x1ed/0x520
[  324.229566]  ? bpf_test_run+0x3ee/0x7a0
[  324.233530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.239054]  ? check_preemption_disabled+0x48/0x280
[  324.244058]  ? kasan_check_read+0x11/0x20
[  324.248205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.253498]  ? rcu_softirq_qs+0x20/0x20
[  324.257488]  ? preempt_schedule+0x4d/0x60
[  324.261619]  ? ___preempt_schedule+0x16/0x18
[  324.266020]  ? bpf_test_run+0x271/0x7a0
[  324.269984]  ? eth_type_trans+0x2ea/0x760
[  324.274135]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.278529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.284051]  ? bpf_test_init.isra.10+0x70/0x100
[  324.288711]  ? bpf_prog_test_run_skb+0x762/0xd60
[  324.293451]  ? apparmor_cred_transfer+0x590/0x590
[  324.298296]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.303154]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.308686]  ? fput+0x130/0x1a0
[  324.311955]  ? __bpf_prog_get+0x9b/0x290
[  324.316012]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.320841]  ? bpf_prog_test_run+0x130/0x1a0
[  324.325235]  ? __x64_sys_bpf+0x3d8/0x520
[  324.329283]  ? bpf_prog_get+0x20/0x20
[  324.333084]  ? do_syscall_64+0x1b9/0x820
[  324.337131]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.342491]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.347409]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.352409]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.357412]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  324.364061]  ? __switch_to_asm+0x40/0x70
[  324.368106]  ? __switch_to_asm+0x34/0x70
[  324.372163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.377000]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.382370] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  324.382425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.389194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.389199] Call Trace:
[  324.389204]  <IRQ>
[  324.389217]  dump_stack+0x244/0x39d
[  324.389233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.395733] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.405031]  warn_alloc.cold.116+0xb7/0x1bd
[  324.407575] syz-executor4 cpuset=syz4 mems_allowed=0
[  324.409713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.443130]  ? lock_downgrade+0x900/0x900
[  324.447274]  ? trace_hardirqs_off+0xb8/0x310
[  324.451677]  ? trace_hardirqs_off+0xb8/0x310
[  324.456077]  __alloc_pages_slowpath+0x2651/0x2de0
[  324.460930]  ? warn_alloc+0x120/0x120
[  324.464721]  ? warn_alloc+0x120/0x120
[  324.468528]  ? __lock_acquire+0x62f/0x4c20
[  324.472752]  ? warn_alloc+0x120/0x120
[  324.476545]  ? print_usage_bug+0xc0/0xc0
[  324.480595]  ? print_usage_bug+0xc0/0xc0
[  324.484649]  ? mark_held_locks+0x130/0x130
[  324.488885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.494495]  ? should_fail+0x22d/0xd01
[  324.498368]  ? zap_class+0x640/0x640
[  324.502074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.507164]  ? __lock_acquire+0x62f/0x4c20
[  324.511393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.516486]  ? should_fail+0x22d/0xd01
[  324.520374]  ? mark_held_locks+0x130/0x130
[  324.524597]  ? mark_held_locks+0x130/0x130
[  324.528981]  ? lock_downgrade+0x900/0x900
[  324.533120]  ? zap_class+0x640/0x640
[  324.536823]  ? zap_class+0x640/0x640
[  324.540528]  ? zap_class+0x640/0x640
[  324.544228]  ? do_raw_spin_unlock+0xa7/0x330
[  324.548629]  ? trace_hardirqs_on+0x310/0x310
[  324.553026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.558562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.564116]  ? check_preemption_disabled+0x48/0x280
[  324.569132]  ? __lock_is_held+0xb5/0x140
[  324.573185]  __alloc_pages_nodemask+0xad8/0xea0
[  324.577844]  ? zap_class+0x640/0x640
[  324.581549]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  324.586562]  ? find_held_lock+0x36/0x1c0
[  324.590617]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.595271]  ? lock_downgrade+0x900/0x900
[  324.599432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.604982]  cache_grow_begin+0xa5/0x8c0
[  324.609031]  ? do_raw_spin_unlock+0xa7/0x330
[  324.613443]  fallback_alloc+0x204/0x2e0
[  324.617407]  ____cache_alloc_node+0x1c7/0x1e0
[  324.621890]  kmem_cache_alloc_node+0xe3/0x730
[  324.626378]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.630967]  __alloc_skb+0x119/0x770
[  324.634670]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  324.640050]  ? netdev_alloc_frag+0x1f0/0x1f0
[  324.644455]  ? vprintk_default+0x28/0x30
[  324.648517]  ? vprintk_func+0x85/0x181
[  324.652413]  ? printk+0xa7/0xcf
[  324.655686]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  324.660447]  new_skb+0x26/0x1c0
[  324.663718]  aoecmd_cfg+0x279/0x7f0
[  324.667337]  ? find_held_lock+0x36/0x1c0
[  324.671390]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  324.675704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.681234]  ? __lock_is_held+0xb5/0x140
[  324.685292]  discover_timer+0x50/0x60
[  324.689075]  call_timer_fn+0x272/0x920
[  324.693435]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  324.698264]  ? process_timeout+0x40/0x40
[  324.702321]  ? mark_held_locks+0xc7/0x130
[  324.706460]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.710943]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.715422]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  324.720263]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.724832]  ? trace_hardirqs_on+0xbd/0x310
[  324.729139]  ? kasan_check_read+0x11/0x20
[  324.733275]  ? __run_timers+0x7da/0xc70
[  324.737240]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.742336]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  324.747162]  __run_timers+0x7e5/0xc70
[  324.750953]  ? timer_fixup_init+0x70/0x70
[  324.755085]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.760087]  ? zap_class+0x640/0x640
[  324.763794]  ? print_usage_bug+0xc0/0xc0
[  324.767844]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.773022]  ? find_held_lock+0x36/0x1c0
[  324.777072]  ? zap_class+0x640/0x640
[  324.780778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.786299]  ? check_preemption_disabled+0x48/0x280
[  324.791307]  ? __lock_is_held+0xb5/0x140
[  324.795354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.800877]  ? check_preemption_disabled+0x48/0x280
[  324.805879]  run_timer_softirq+0x52/0xb0
[  324.809925]  ? rcu_read_lock_sched_held+0x14f/0x180
[  324.814944]  __do_softirq+0x308/0xb7e
[  324.818743]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  324.823224]  ? lock_downgrade+0x900/0x900
[  324.827357]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  324.832453]  ? pvclock_read_flags+0x160/0x160
[  324.836940]  ? lapic_next_event+0x5a/0x90
[  324.841075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.846603]  ? kvm_clock_read+0x18/0x30
[  324.850559]  ? kvm_sched_clock_read+0x9/0x20
[  324.854955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.860477]  ? check_preemption_disabled+0x48/0x280
[  324.865488]  irq_exit+0x17f/0x1c0
[  324.868935]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.873764]  ? smp_reschedule_interrupt+0x109/0x650
[  324.878768]  ? smp_call_function_single_interrupt+0x650/0x650
[  324.884638]  ? interrupt_entry+0xb5/0xc0
[  324.888687]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.893690]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.898701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.903530]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.908551]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.913561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.918398]  apic_timer_interrupt+0xf/0x20
[  324.922619]  </IRQ>
[  324.924843] RIP: 0010:dump_stack+0x358/0x39d
[  324.929241] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  324.948124] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  324.955821] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  324.963080] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  324.970338] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  324.977606] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  324.984859] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  324.992125]  ? dump_stack+0x34f/0x39d
[  324.995925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.001103]  ? mark_held_locks+0x130/0x130
[  325.005325]  ? mark_held_locks+0x130/0x130
[  325.009550]  dump_header+0x27b/0xf72
[  325.013257]  ? pagefault_out_of_memory+0x197/0x197
[  325.018179]  ? __lock_acquire+0x62f/0x4c20
[  325.022410]  ? percpu_ref_get_many+0x240/0x240
[  325.026984]  ? print_usage_bug+0xc0/0xc0
[  325.031040]  ? zap_class+0x640/0x640
[  325.034746]  ? print_usage_bug+0xc0/0xc0
[  325.038794]  ? print_usage_bug+0xc0/0xc0
[  325.042845]  ? zap_class+0x640/0x640
[  325.046554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.052084]  ? find_held_lock+0x36/0x1c0
[  325.056134]  ? mark_held_locks+0xc7/0x130
[  325.060275]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.065367]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.070462]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.075040]  ? trace_hardirqs_on+0xbd/0x310
[  325.079356]  ? kasan_check_read+0x11/0x20
[  325.083494]  ? ___ratelimit+0x3b4/0x672
[  325.087459]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.092553]  ? trace_hardirqs_on+0x310/0x310
[  325.096954]  ? lock_downgrade+0x900/0x900
[  325.101096]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.106183]  ? ___ratelimit+0x3b9/0x672
[  325.110147]  ? idr_get_free+0xf70/0xf70
[  325.114110]  ? find_held_lock+0x36/0x1c0
[  325.118183]  oom_kill_process.cold.27+0x10/0x903
[  325.122932]  ? zap_class+0x640/0x640
[  325.126631]  ? check_preemption_disabled+0x48/0x280
[  325.131653]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.136565]  ? kasan_check_read+0x11/0x20
[  325.140722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.145989]  ? oom_evaluate_task+0x540/0x540
[  325.150388]  ? find_held_lock+0x36/0x1c0
[  325.154452]  ? out_of_memory+0x974/0x1430
[  325.158595]  ? lock_downgrade+0x900/0x900
[  325.162733]  ? check_preemption_disabled+0x48/0x280
[  325.167743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.172675]  ? kasan_check_read+0x11/0x20
[  325.176813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.182077]  ? rcu_softirq_qs+0x20/0x20
[  325.186039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.191557]  ? oom_evaluate_task+0x302/0x540
[  325.195959]  out_of_memory+0xa84/0x1430
[  325.199937]  ? oom_killer_disable+0x3a0/0x3a0
[  325.204423]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  325.209341]  ? __ww_mutex_check_waiters+0x160/0x160
[  325.214367]  __alloc_pages_slowpath+0x232c/0x2de0
[  325.219230]  ? warn_alloc+0x120/0x120
[  325.223015]  ? mark_held_locks+0x130/0x130
[  325.227262]  ? find_get_entry+0xaae/0x1120
[  325.231493]  ? filemap_map_pages+0x1a20/0x1a20
[  325.236064]  ? zap_class+0x640/0x640
[  325.239769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.245298]  ? check_preemption_disabled+0x48/0x280
[  325.250301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.255835]  ? should_fail+0x22d/0xd01
[  325.259718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.264817]  ? zap_class+0x640/0x640
[  325.268543]  ? __lock_is_held+0xb5/0x140
[  325.272600]  ? mark_held_locks+0x130/0x130
[  325.276824]  ? lock_release+0xa00/0xa00
[  325.280793]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.286245]  ? xa_load+0x2ba/0x460
[  325.289773]  ? lock_downgrade+0x900/0x900
[  325.293919]  ? __might_sleep+0x95/0x190
[  325.297892]  __alloc_pages_nodemask+0xad8/0xea0
[  325.302561]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  325.307565]  ? __page_cache_alloc+0x191/0x5c0
[  325.312042]  ? xa_load+0x2e1/0x460
[  325.315570]  ? xa_clear_mark+0x40/0x40
[  325.319451]  ? zap_class+0x640/0x640
[  325.323162]  ? zap_class+0x640/0x640
[  325.326862]  ? zap_class+0x640/0x640
[  325.330565]  ? __do_page_cache_readahead+0x663/0x810
[  325.335658]  ? find_held_lock+0x36/0x1c0
[  325.339722]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  325.345257]  alloc_pages_current+0x173/0x350
[  325.349658]  __page_cache_alloc+0x38c/0x5c0
[  325.353966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.358878]  ? kasan_check_read+0x11/0x20
[  325.363023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.368289]  ? generic_perform_write+0x6a0/0x6a0
[  325.373034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.378557]  ? check_preemption_disabled+0x48/0x280
[  325.383563]  filemap_fault+0x1595/0x25f0
[  325.387629]  ? __lock_page_or_retry+0xa00/0xa00
[  325.392287]  ? mark_held_locks+0x130/0x130
[  325.396519]  ? filemap_map_pages+0xd6b/0x1a20
[  325.401004]  ? lock_downgrade+0x900/0x900
[  325.405140]  ? check_preemption_disabled+0x48/0x280
[  325.410149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.415068]  ? kasan_check_read+0x11/0x20
[  325.419205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.424474]  ? rcu_softirq_qs+0x20/0x20
[  325.428463]  ? filemap_map_pages+0xd92/0x1a20
[  325.432959]  ? find_get_entries_tag+0x1400/0x1400
[  325.437791]  ? __kernel_text_address+0xd/0x40
[  325.442272]  ? unwind_get_return_address+0x61/0xa0
[  325.447205]  ? lock_acquire+0x1ed/0x520
[  325.451168]  ? ext4_filemap_fault+0x7a/0xad
[  325.455488]  ? lock_release+0xa00/0xa00
[  325.459448]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.464885]  ? print_usage_bug+0xc0/0xc0
[  325.468936]  ? print_usage_bug+0xc0/0xc0
[  325.472985]  ? __x64_sys_read+0x73/0xb0
[  325.476958]  ? print_usage_bug+0xc0/0xc0
[  325.481013]  ? down_read+0x8d/0x120
[  325.484627]  ? ext4_filemap_fault+0x7a/0xad
[  325.488940]  ? __down_interruptible+0x700/0x700
[  325.493601]  ext4_filemap_fault+0x82/0xad
[  325.497736]  __do_fault+0x100/0x6b0
[  325.501355]  ? trace_hardirqs_on+0xbd/0x310
[  325.505677]  ? pmd_devmap_trans_unstable+0x220/0x220
[  325.510790]  ? mark_held_locks+0x130/0x130
[  325.515022]  ? mark_held_locks+0x130/0x130
[  325.519249]  ? do_syslog+0x147b/0x1690
[  325.523127]  ? do_syslog+0x309/0x1690
[  325.526911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.532446]  __handle_mm_fault+0x3ea0/0x5be0
[  325.536845]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  325.541698]  ? find_held_lock+0x36/0x1c0
[  325.545761]  ? zap_class+0x640/0x640
[  325.549465]  ? zap_class+0x640/0x640
[  325.553170]  ? find_held_lock+0x36/0x1c0
[  325.557223]  ? handle_mm_fault+0x42a/0xc70
[  325.561446]  ? lock_downgrade+0x900/0x900
[  325.565584]  ? check_preemption_disabled+0x48/0x280
[  325.570592]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.575507]  ? kasan_check_read+0x11/0x20
[  325.579640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.584902]  ? rcu_softirq_qs+0x20/0x20
[  325.588870]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.593960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.599485]  ? check_preemption_disabled+0x48/0x280
[  325.604493]  handle_mm_fault+0x54f/0xc70
[  325.608542]  ? __handle_mm_fault+0x5be0/0x5be0
[  325.613122]  ? find_vma+0x34/0x190
[  325.616654]  __do_page_fault+0x5e8/0xe60
[  325.620702]  ? trace_hardirqs_off+0xb8/0x310
[  325.625202]  ? kernel_write+0x120/0x120
[  325.629173]  do_page_fault+0xf2/0x7e0
[  325.632985]  ? vmalloc_sync_all+0x30/0x30
[  325.637126]  ? error_entry+0x70/0xd0
[  325.640843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.645853]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.650784]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.655696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.660527]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.665535]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.670989]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.675994]  ? prepare_exit_to_usermode+0x291/0x3b0
[  325.680994]  ? page_fault+0x8/0x30
[  325.684523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.689360]  ? page_fault+0x8/0x30
[  325.693336]  page_fault+0x1e/0x30
[  325.696786] RIP: 0033:0x7f71188e71fd
[  325.700503] Code: Bad RIP value.
[  325.703863] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  325.709215] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  325.716479] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  325.723735] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  325.730988] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  325.738248] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  325.745530] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  325.745534] warn_alloc_show_mem: 1 callbacks suppressed
[  325.745540] Mem-Info:
[  325.752800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.758153] active_anon:46284 inactive_anon:276 isolated_anon:0
[  325.758153]  active_file:13 inactive_file:11 isolated_file:0
[  325.758153]  unevictable:0 dirty:0 writeback:0 unstable:0
[  325.758153]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  325.758153]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  325.758153]  free:13741 free_pcp:339 free_cma:0
[  325.760520] Call Trace:
[  325.769887] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  325.802721]  <IRQ>
[  325.805279] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  325.832927]  dump_stack+0x244/0x39d
[  325.835040] lowmem_reserve[]: 0 2818 6321 6321
[  325.861130]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.864724] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  325.869294]  warn_alloc.cold.116+0xb7/0x1bd
[  325.874452] lowmem_reserve[]: 0 0 3503 3503
[  325.902021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.906307] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  325.910626]  ? lock_downgrade+0x900/0x900
[  325.915429] lowmem_reserve[]: 0 0 0 0
[  325.944485]  ? trace_hardirqs_off+0xb8/0x310
[  325.948600] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  325.952389]  ? trace_hardirqs_off+0xb8/0x310
[  325.956764] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  325.970295]  __alloc_pages_slowpath+0x2651/0x2de0
[  325.974674] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  325.989855]  ? warn_alloc+0x120/0x120
[  325.994659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  326.009549]  ? print_usage_bug+0xc0/0xc0
[  326.013337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  326.022151]  ? warn_alloc+0x120/0x120
[  326.026180] 358 total pagecache pages
[  326.034741]  ? warn_alloc+0x120/0x120
[  326.038519] 0 pages in swap cache
[  326.042298]  ? print_usage_bug+0xc0/0xc0
[  326.046068] Swap cache stats: add 0, delete 0, find 0/0
[  326.049502]  ? print_usage_bug+0xc0/0xc0
[  326.053529] Free swap  = 0kB
[  326.058875]  ? __lock_acquire+0x62f/0x4c20
[  326.062901] Total swap = 0kB
[  326.065905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.070104] 1965979 pages RAM
[  326.073109]  ? should_fail+0x22d/0xd01
[  326.078613] 0 pages HighMem/MovableOnly
[  326.078620] 342854 pages reserved
[  326.081715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.085572] 0 pages cma reserved
[  326.089533]  ? __lock_acquire+0x62f/0x4c20
[  326.093010] aoe: skb alloc failure
[  326.098052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.101438] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  326.105613]  ? __lock_acquire+0x62f/0x4c20
[  326.109119] rsyslogd cpuset=/ mems_allowed=0
[  326.114199]  ? should_fail+0x22d/0xd01
[  326.114213]  ? find_held_lock+0x36/0x1c0
[  326.140748]  ? mark_held_locks+0x130/0x130
[  326.144979]  ? mark_held_locks+0x130/0x130
[  326.149206]  ? zap_class+0x640/0x640
[  326.152914]  ? zap_class+0x640/0x640
[  326.156630]  ? print_usage_bug+0xc0/0xc0
[  326.160701]  ? do_raw_spin_unlock+0xa7/0x330
[  326.165104]  ? zap_class+0x640/0x640
[  326.168813]  ? print_usage_bug+0xc0/0xc0
[  326.172867]  ? wq_watchdog_touch+0x9c/0xfe
[  326.177114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.182646]  ? check_preemption_disabled+0x48/0x280
[  326.187674]  ? __lock_is_held+0xb5/0x140
[  326.191735]  __alloc_pages_nodemask+0xad8/0xea0
[  326.196398]  ? zap_class+0x640/0x640
[  326.200109]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  326.205132]  ? find_held_lock+0x36/0x1c0
[  326.209195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  326.213857]  ? lock_downgrade+0x900/0x900
[  326.218004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.223542]  cache_grow_begin+0xa5/0x8c0
[  326.227595]  ? do_raw_spin_unlock+0xa7/0x330
[  326.232004]  fallback_alloc+0x204/0x2e0
[  326.235982]  ____cache_alloc_node+0x1c7/0x1e0
[  326.240477]  kmem_cache_alloc_node+0xe3/0x730
[  326.244964]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.249197]  __alloc_skb+0x119/0x770
[  326.252898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.258167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  326.262568]  ? lock_downgrade+0x900/0x900
[  326.266799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.272329]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.277786]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.283227]  ? addrconf_rs_timer+0x690/0x690
[  326.287633]  ndisc_alloc_skb+0x144/0x340
[  326.291685]  ndisc_send_rs+0x331/0x6e0
[  326.295560]  addrconf_rs_timer+0x314/0x690
[  326.299786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.304020]  call_timer_fn+0x272/0x920
[  326.307895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.312115]  ? process_timeout+0x40/0x40
[  326.316171]  ? __run_timers+0x7da/0xc70
[  326.320137]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.324632]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.329120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.333347]  ? lockdep_hardirqs_on+0x296/0x5b0
[  326.337928]  ? trace_hardirqs_on+0xbd/0x310
[  326.342243]  ? kasan_check_read+0x11/0x20
[  326.346375]  ? __run_timers+0x7da/0xc70
[  326.350339]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.355436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.359668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.363889]  __run_timers+0x7e5/0xc70
[  326.367684]  ? timer_fixup_init+0x70/0x70
[  326.371819]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.376841]  ? zap_class+0x640/0x640
[  326.380545]  ? enqueue_hrtimer+0x1a5/0x560
[  326.384765]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  326.389947]  ? find_held_lock+0x36/0x1c0
[  326.394004]  ? zap_class+0x640/0x640
[  326.397709]  ? pvclock_read_flags+0x160/0x160
[  326.402199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.407723]  ? check_preemption_disabled+0x48/0x280
[  326.412734]  ? __lock_is_held+0xb5/0x140
[  326.416784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.422318]  ? check_preemption_disabled+0x48/0x280
[  326.427331]  run_timer_softirq+0x52/0xb0
[  326.431377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  326.436382]  __do_softirq+0x308/0xb7e
[  326.440173]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.444656]  ? lock_downgrade+0x900/0x900
[  326.448805]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  326.454009]  ? pvclock_read_flags+0x160/0x160
[  326.458488]  ? lapic_next_event+0x5a/0x90
[  326.462622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.468149]  ? kvm_clock_read+0x18/0x30
[  326.472111]  ? kvm_sched_clock_read+0x9/0x20
[  326.476509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.482031]  ? check_preemption_disabled+0x48/0x280
[  326.487044]  irq_exit+0x17f/0x1c0
[  326.490489]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.495327]  ? smp_reschedule_interrupt+0x109/0x650
[  326.500343]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.506223]  ? interrupt_entry+0xb5/0xc0
[  326.510289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.515316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.520325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.525686]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.530699]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.535710]  ? task_prio+0x50/0x50
[  326.539246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.544788]  ? check_preemption_disabled+0x48/0x280
[  326.549798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.554632]  apic_timer_interrupt+0xf/0x20
[  326.558847]  </IRQ>
[  326.561069] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  326.565983] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  326.584867] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  326.592559] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  326.599817] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  326.607076] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  326.614331] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  326.621582] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  326.628862]  skb_clone+0x1bb/0x500
[  326.632386]  ? finish_task_switch+0x615/0x910
[  326.636874]  ? skb_split+0x11e0/0x11e0
[  326.640753]  ? preempt_notifier_register+0x200/0x200
[  326.645838]  ? __switch_to_asm+0x34/0x70
[  326.649886]  ? __switch_to_asm+0x34/0x70
[  326.653936]  ? __switch_to_asm+0x40/0x70
[  326.657983]  ? __switch_to_asm+0x34/0x70
[  326.662032]  ? __switch_to_asm+0x40/0x70
[  326.666078]  ? __switch_to_asm+0x34/0x70
[  326.670127]  ? __switch_to_asm+0x40/0x70
[  326.674171]  ? __switch_to_asm+0x34/0x70
[  326.678219]  ? __switch_to_asm+0x34/0x70
[  326.682276]  ? __switch_to_asm+0x40/0x70
[  326.686345]  ? __switch_to_asm+0x34/0x70
[  326.690393]  bpf_clone_redirect+0xb9/0x490
[  326.694968]  ? __schedule+0x8d7/0x21d0
[  326.698846]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  326.703853]  ? __sched_text_start+0x8/0x8
[  326.707989]  ? retint_kernel+0x2d/0x2d
[  326.711877]  ? find_held_lock+0x36/0x1c0
[  326.715934]  ? lock_acquire+0x1ed/0x520
[  326.719898]  ? bpf_test_run+0x3ee/0x7a0
[  326.723863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.729393]  ? check_preemption_disabled+0x48/0x280
[  326.734408]  ? kasan_check_read+0x11/0x20
[  326.738551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.743825]  ? rcu_softirq_qs+0x20/0x20
[  326.747810]  ? preempt_schedule+0x4d/0x60
[  326.751951]  ? ___preempt_schedule+0x16/0x18
[  326.756361]  ? bpf_test_run+0x271/0x7a0
[  326.760335]  ? eth_type_trans+0x2ea/0x760
[  326.764480]  ? netlink_diag_dump+0x2a0/0x2a0
[  326.768903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.774433]  ? bpf_test_init.isra.10+0x70/0x100
[  326.779097]  ? bpf_prog_test_run_skb+0x762/0xd60
[  326.783846]  ? apparmor_cred_transfer+0x590/0x590
[  326.788684]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.793525]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  326.799052]  ? fput+0x130/0x1a0
[  326.802331]  ? __bpf_prog_get+0x9b/0x290
[  326.806383]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.811215]  ? bpf_prog_test_run+0x130/0x1a0
[  326.815617]  ? __x64_sys_bpf+0x3d8/0x520
[  326.819669]  ? bpf_prog_get+0x20/0x20
[  326.823479]  ? do_syscall_64+0x1b9/0x820
[  326.827546]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  326.832906]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.837832]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.842839]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  326.847849]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  326.854504]  ? __switch_to_asm+0x40/0x70
[  326.858558]  ? __switch_to_asm+0x34/0x70
[  326.862616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.867455]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  326.872827] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  326.872858] rcu: INFO: rcu_preempt self-detected stall on CPU
[  326.879655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.879662] Call Trace:
[  326.885743] rcu: 	0-...!: (153 ticks this GP) idle=bca/1/0x4000000000000004 softirq=161947/161955 fqs=2 
[  326.894854]  <IRQ>
[  326.894869]  dump_stack+0x244/0x39d
[  326.894886]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.894909]  warn_alloc.cold.116+0xb7/0x1bd
[  326.894925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.894941]  ? lock_downgrade+0x900/0x900
[  326.894961]  ? trace_hardirqs_off+0xb8/0x310
[  326.894980]  ? trace_hardirqs_off+0xb8/0x310
[  326.897647] rcu: 	 (t=10671 jiffies g=28585 q=44)
[  326.907266]  __alloc_pages_slowpath+0x2651/0x2de0
[  326.909390] rcu: rcu_preempt kthread starved for 7356 jiffies! g28585 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  326.913007]  ? warn_alloc+0x120/0x120
[  326.918145] rcu: RCU grace-period kthread stack dump:
[  326.922446]  ? warn_alloc+0x120/0x120
[  326.927265] rcu_preempt     R  running task    22568    10      2 0x80000000
[  326.931397]  ? warn_alloc+0x120/0x120
[  326.935772] Call Trace:
[  326.940159]  ? print_usage_bug+0xc0/0xc0
[  326.944979]  __schedule+0x8cf/0x21d0
[  326.949795]  ? print_usage_bug+0xc0/0xc0
[  326.960267]  ? __sched_text_start+0x8/0x8
[  326.964036]  ? ktime_get+0x2c1/0x400
[  326.969202]  ? add_timer_on+0xa20/0xa20
[  326.972972]  ? check_preemption_disabled+0x48/0x280
[  326.980130]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.983901]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.983916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.986474]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.990512]  ? should_fail+0x22d/0xd01
[  326.994201]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.998240]  ? kasan_check_read+0x11/0x20
[  327.002362]  ? trace_hardirqs_on+0xbd/0x310
[  327.006050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.010016]  ? kasan_check_read+0x11/0x20
[  327.015007]  ? __lock_acquire+0x62f/0x4c20
[  327.020087]  ? prepare_to_swait_event+0x25a/0x800
[  327.024560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.030072]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.035145]  ? should_fail+0x22d/0xd01
[  327.039004]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.043559]  ? print_usage_bug+0xc0/0xc0
[  327.047682]  schedule+0xfe/0x460
[  327.051981]  ? mark_held_locks+0x130/0x130
[  327.057055]  ? __schedule+0x21d0/0x21d0
[  327.061175]  ? mark_held_locks+0x130/0x130
[  327.065385]  ? prepare_to_swait_event+0x25a/0x800
[  327.070202]  ? check_preemption_disabled+0x48/0x280
[  327.075283]  ? __init_swait_queue_head+0x150/0x150
[  327.080360]  ? zap_class+0x640/0x640
[  327.084241]  ? __lockdep_init_map+0x105/0x590
[  327.089317]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.093352]  ? lockdep_init_map+0x9/0x10
[  327.096704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.100912]  schedule_timeout+0x140/0x260
[  327.104856]  ? check_preemption_disabled+0x48/0x280
[  327.109063]  ? usleep_range+0x1a0/0x1a0
[  327.113879]  ? __lock_is_held+0xb5/0x140
[  327.118865]  ? __next_timer_interrupt+0x1a0/0x1a0
[  327.123772]  __alloc_pages_nodemask+0xad8/0xea0
[  327.127470]  rcu_gp_fqs_loop+0x762/0xa80
[  327.131930]  ? zap_class+0x640/0x640
[  327.136666]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  327.140698]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  327.146204]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.150330]  ? find_held_lock+0x36/0x1c0
[  327.155317]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.159277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.163314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.168132]  ? lock_downgrade+0x900/0x900
[  327.172784]  ? rcu_gp_init+0x90b/0x1260
[  327.176819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.180504]  ? __switch_to_asm+0x34/0x70
[  327.185239]  cache_grow_begin+0xa5/0x8c0
[  327.185251]  ? do_raw_spin_unlock+0xa7/0x330
[  327.190248]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  327.195321]  fallback_alloc+0x204/0x2e0
[  327.199352]  ? __switch_to_asm+0x40/0x70
[  327.204791]  ____cache_alloc_node+0x1c7/0x1e0
[  327.209433]  ? find_held_lock+0x36/0x1c0
[  327.214942]  kmem_cache_alloc_node+0xe3/0x730
[  327.219062]  ? zap_class+0x640/0x640
[  327.223015]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.228529]  ? prepare_to_swait_event+0x25a/0x800
[  327.232567]  __alloc_skb+0x119/0x770
[  327.236597]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.240976]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  327.245708]  ? find_held_lock+0x36/0x1c0
[  327.249659]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.253695]  ? finish_swait+0x25d/0x430
[  327.258162]  ? vprintk_default+0x28/0x30
[  327.262195]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.266668]  ? vprintk_func+0x85/0x181
[  327.270353]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.274915]  ? printk+0xa7/0xcf
[  327.279728]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.279742]  ? trace_hardirqs_on+0xbd/0x310
[  327.283522]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  327.288596]  ? kasan_check_read+0x11/0x20
[  327.293934]  new_skb+0x26/0x1c0
[  327.297968]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.302351]  aoecmd_cfg+0x279/0x7f0
[  327.306310]  ? __init_swait_queue_head+0x150/0x150
[  327.310343]  ? find_held_lock+0x36/0x1c0
[  327.315428]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.319285]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  327.324364]  ? finish_swait+0x25d/0x430
[  327.327618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.332173]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.336474]  ? __lock_is_held+0xb5/0x140
[  327.341209]  ? swake_up_locked+0x360/0x360
[  327.345336]  discover_timer+0x50/0x60
[  327.348582]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.353654]  call_timer_fn+0x272/0x920
[  327.357253]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.362155]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  327.366192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.371271]  ? process_timeout+0x40/0x40
[  327.375572]  rcu_gp_kthread+0x341/0xc70
[  327.379524]  ? mark_held_locks+0xc7/0x130
[  327.385130]  ? rcu_gp_init+0x1260/0x1260
[  327.389679]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.393719]  ? mark_held_locks+0x130/0x130
[  327.397924]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.401701]  ? __schedule+0x168a/0x21d0
[  327.406780]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  327.410639]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.416066]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.420968]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.426476]  ? trace_hardirqs_on+0xbd/0x310
[  327.430509]  ? trace_hardirqs_on+0xbd/0x310
[  327.434461]  ? kasan_check_read+0x11/0x20
[  327.438576]  ? kasan_check_read+0x11/0x20
[  327.438588]  ? __schedule+0x168a/0x21d0
[  327.442617]  ? __run_timers+0x7da/0xc70
[  327.447084]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.451292]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.455760]  ? lock_pin_lock+0x350/0x350
[  327.459716]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  327.464525]  ? _raw_spin_unlock_irq+0x60/0x80
[  327.468998]  __run_timers+0x7e5/0xc70
[  327.473581]  ? __schedule+0x168a/0x21d0
[  327.478137]  ? timer_fixup_init+0x70/0x70
[  327.482426]  ? __switch_to_asm+0x40/0x70
[  327.486721]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  327.490841]  ? __switch_to_asm+0x40/0x70
[  327.494960]  ? zap_class+0x640/0x640
[  327.498909]  ? show_schedstat+0x551/0xf30
[  327.502864]  ? print_usage_bug+0xc0/0xc0
[  327.507938]  ? __sched_text_start+0x8/0x8
[  327.513012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  327.517049]  ? find_held_lock+0x36/0x1c0
[  327.521870]  ? find_held_lock+0x36/0x1c0
[  327.526344]  ? __kthread_parkme+0xce/0x1a0
[  327.530123]  ? zap_class+0x640/0x640
[  327.534069]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.538207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.542242]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.547235]  ? check_preemption_disabled+0x48/0x280
[  327.551268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.554960]  ? __lock_is_held+0xb5/0x140
[  327.559074]  ? trace_hardirqs_on+0xbd/0x310
[  327.563114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.567236]  ? kasan_check_read+0x11/0x20
[  327.572399]  ? check_preemption_disabled+0x48/0x280
[  327.576428]  ? __kthread_parkme+0xce/0x1a0
[  327.580463]  run_timer_softirq+0x52/0xb0
[  327.584672]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.588361]  ? rcu_read_lock_sched_held+0x14f/0x180
[  327.593440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.598954]  __do_softirq+0x308/0xb7e
[  327.604031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.609022]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  327.613575]  ? __kthread_parkme+0xfb/0x1a0
[  327.617602]  ? lock_downgrade+0x900/0x900
[  327.617617]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.621912]  ? rcu_gp_init+0x1260/0x1260
[  327.627425]  ? pvclock_read_flags+0x160/0x160
[  327.631543]  kthread+0x35a/0x440
[  327.636542]  ? lapic_next_event+0x5a/0x90
[  327.640752]  ? kthread_stop+0x900/0x900
[  327.644785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.649856]  ret_from_fork+0x3a/0x50
[  327.654847]  ? kvm_clock_read+0x18/0x30
[  327.659983] NMI backtrace for cpu 0
[  327.663754]  ? kvm_sched_clock_read+0x9/0x20
[  327.728238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.733764]  ? check_preemption_disabled+0x48/0x280
[  327.738770]  irq_exit+0x17f/0x1c0
[  327.742219]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.747048]  ? smp_reschedule_interrupt+0x109/0x650
[  327.752051]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.757921]  ? interrupt_entry+0xb5/0xc0
[  327.761974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.766979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.771985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.776817]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.781826]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.786837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.791680]  apic_timer_interrupt+0xf/0x20
[  327.795906]  </IRQ>
[  327.798138] RIP: 0010:dump_stack+0x358/0x39d
[  327.802540] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  327.821424] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  327.829123] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  327.836389] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  327.843642] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  327.850987] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  327.858241] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  327.865506]  ? dump_stack+0x34f/0x39d
[  327.869309]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.874493]  ? mark_held_locks+0x130/0x130
[  327.878728]  ? mark_held_locks+0x130/0x130
[  327.882950]  dump_header+0x27b/0xf72
[  327.886660]  ? pagefault_out_of_memory+0x197/0x197
[  327.891606]  ? __lock_acquire+0x62f/0x4c20
[  327.895840]  ? percpu_ref_get_many+0x240/0x240
[  327.900417]  ? print_usage_bug+0xc0/0xc0
[  327.904478]  ? zap_class+0x640/0x640
[  327.908188]  ? print_usage_bug+0xc0/0xc0
[  327.912239]  ? print_usage_bug+0xc0/0xc0
[  327.916288]  ? zap_class+0x640/0x640
[  327.920007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.925533]  ? find_held_lock+0x36/0x1c0
[  327.929590]  ? mark_held_locks+0xc7/0x130
[  327.933735]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.938836]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.943935]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.948511]  ? trace_hardirqs_on+0xbd/0x310
[  327.952821]  ? kasan_check_read+0x11/0x20
[  327.956955]  ? ___ratelimit+0x3b4/0x672
[  327.960922]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.966013]  ? trace_hardirqs_on+0x310/0x310
[  327.970431]  ? lock_downgrade+0x900/0x900
[  327.974590]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.979685]  ? ___ratelimit+0x3b9/0x672
[  327.983648]  ? idr_get_free+0xf70/0xf70
[  327.987611]  ? find_held_lock+0x36/0x1c0
[  327.991666]  oom_kill_process.cold.27+0x10/0x903
[  327.996406]  ? zap_class+0x640/0x640
[  328.000105]  ? check_preemption_disabled+0x48/0x280
[  328.005197]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.010111]  ? kasan_check_read+0x11/0x20
[  328.014250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.019515]  ? oom_evaluate_task+0x540/0x540
[  328.023923]  ? find_held_lock+0x36/0x1c0
[  328.027977]  ? out_of_memory+0x974/0x1430
[  328.032114]  ? lock_downgrade+0x900/0x900
[  328.036336]  ? check_preemption_disabled+0x48/0x280
[  328.041341]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.046254]  ? kasan_check_read+0x11/0x20
[  328.050390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.055655]  ? rcu_softirq_qs+0x20/0x20
[  328.059619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.065138]  ? oom_evaluate_task+0x302/0x540
[  328.069542]  out_of_memory+0xa84/0x1430
[  328.073509]  ? oom_killer_disable+0x3a0/0x3a0
[  328.077992]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  328.082912]  ? __ww_mutex_check_waiters+0x160/0x160
[  328.087925]  __alloc_pages_slowpath+0x232c/0x2de0
[  328.092825]  ? warn_alloc+0x120/0x120
[  328.096659]  ? mark_held_locks+0x130/0x130
[  328.100888]  ? find_get_entry+0xaae/0x1120
[  328.105118]  ? filemap_map_pages+0x1a20/0x1a20
[  328.109701]  ? zap_class+0x640/0x640
[  328.113425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.118948]  ? check_preemption_disabled+0x48/0x280
[  328.123971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.129492]  ? should_fail+0x22d/0xd01
[  328.133366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.138454]  ? zap_class+0x640/0x640
[  328.142175]  ? __lock_is_held+0xb5/0x140
[  328.146226]  ? mark_held_locks+0x130/0x130
[  328.150451]  ? lock_release+0xa00/0xa00
[  328.154415]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.159855]  ? xa_load+0x2ba/0x460
[  328.163383]  ? lock_downgrade+0x900/0x900
[  328.167525]  ? __might_sleep+0x95/0x190
[  328.171488]  __alloc_pages_nodemask+0xad8/0xea0
[  328.176154]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  328.181167]  ? __page_cache_alloc+0x191/0x5c0
[  328.185665]  ? xa_load+0x2e1/0x460
[  328.189194]  ? xa_clear_mark+0x40/0x40
[  328.193065]  ? zap_class+0x640/0x640
[  328.196856]  ? zap_class+0x640/0x640
[  328.200558]  ? zap_class+0x640/0x640
[  328.204264]  ? __do_page_cache_readahead+0x663/0x810
[  328.209366]  ? find_held_lock+0x36/0x1c0
[  328.213425]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.218960]  alloc_pages_current+0x173/0x350
[  328.223470]  __page_cache_alloc+0x38c/0x5c0
[  328.227778]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.232689]  ? kasan_check_read+0x11/0x20
[  328.236822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.242105]  ? generic_perform_write+0x6a0/0x6a0
[  328.246869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.252399]  ? check_preemption_disabled+0x48/0x280
[  328.257406]  filemap_fault+0x1595/0x25f0
[  328.261464]  ? __lock_page_or_retry+0xa00/0xa00
[  328.266144]  ? mark_held_locks+0x130/0x130
[  328.270386]  ? filemap_map_pages+0xd6b/0x1a20
[  328.274868]  ? lock_downgrade+0x900/0x900
[  328.279008]  ? check_preemption_disabled+0x48/0x280
[  328.284009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.288924]  ? kasan_check_read+0x11/0x20
[  328.293057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.298321]  ? rcu_softirq_qs+0x20/0x20
[  328.302297]  ? filemap_map_pages+0xd92/0x1a20
[  328.306792]  ? find_get_entries_tag+0x1400/0x1400
[  328.311621]  ? __kernel_text_address+0xd/0x40
[  328.316108]  ? unwind_get_return_address+0x61/0xa0
[  328.321037]  ? lock_acquire+0x1ed/0x520
[  328.324999]  ? ext4_filemap_fault+0x7a/0xad
[  328.329320]  ? lock_release+0xa00/0xa00
[  328.333278]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.338712]  ? print_usage_bug+0xc0/0xc0
[  328.342761]  ? print_usage_bug+0xc0/0xc0
[  328.346809]  ? __x64_sys_read+0x73/0xb0
[  328.350775]  ? print_usage_bug+0xc0/0xc0
[  328.354829]  ? down_read+0x8d/0x120
[  328.358440]  ? ext4_filemap_fault+0x7a/0xad
[  328.362747]  ? __down_interruptible+0x700/0x700
[  328.367411]  ext4_filemap_fault+0x82/0xad
[  328.371550]  __do_fault+0x100/0x6b0
[  328.375166]  ? trace_hardirqs_on+0xbd/0x310
[  328.379484]  ? pmd_devmap_trans_unstable+0x220/0x220
[  328.384574]  ? mark_held_locks+0x130/0x130
[  328.388793]  ? mark_held_locks+0x130/0x130
[  328.393013]  ? do_syslog+0x147b/0x1690
[  328.396888]  ? do_syslog+0x309/0x1690
[  328.400672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.406199]  __handle_mm_fault+0x3ea0/0x5be0
[  328.410597]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  328.415428]  ? find_held_lock+0x36/0x1c0
[  328.419489]  ? zap_class+0x640/0x640
[  328.423188]  ? zap_class+0x640/0x640
[  328.426894]  ? find_held_lock+0x36/0x1c0
[  328.430947]  ? handle_mm_fault+0x42a/0xc70
[  328.435166]  ? lock_downgrade+0x900/0x900
[  328.439298]  ? check_preemption_disabled+0x48/0x280
[  328.444307]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.449222]  ? kasan_check_read+0x11/0x20
[  328.453352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.458611]  ? rcu_softirq_qs+0x20/0x20
[  328.462574]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.467663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.473193]  ? check_preemption_disabled+0x48/0x280
[  328.478199]  handle_mm_fault+0x54f/0xc70
[  328.482249]  ? __handle_mm_fault+0x5be0/0x5be0
[  328.486820]  ? find_vma+0x34/0x190
[  328.490350]  __do_page_fault+0x5e8/0xe60
[  328.494393]  ? trace_hardirqs_off+0xb8/0x310
[  328.498784]  ? kernel_write+0x120/0x120
[  328.502751]  do_page_fault+0xf2/0x7e0
[  328.506540]  ? vmalloc_sync_all+0x30/0x30
[  328.510678]  ? error_entry+0x70/0xd0
[  328.514379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.519384]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.524303]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.529327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.534160]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.539163]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.544599]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  328.549698]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.554699]  ? page_fault+0x8/0x30
[  328.558232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.563078]  ? page_fault+0x8/0x30
[  328.566615]  page_fault+0x1e/0x30
[  328.570066] RIP: 0033:0x7f71188e71fd
[  328.573816] Code: Bad RIP value.
[  328.577161] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  328.582510] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  328.589856] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  328.597126] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  328.604382] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  328.611634] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  328.618909] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  328.618912] warn_alloc_show_mem: 1 callbacks suppressed
[  328.618917] Mem-Info:
[  328.626254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.631611] active_anon:46284 inactive_anon:276 isolated_anon:0
[  328.631611]  active_file:13 inactive_file:11 isolated_file:0
[  328.631611]  unevictable:0 dirty:0 writeback:0 unstable:0
[  328.631611]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  328.631611]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  328.631611]  free:13741 free_pcp:339 free_cma:0
[  328.633971] Call Trace:
[  328.643328] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  328.676157]  <IRQ>
[  328.678714] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  328.706579]  dump_stack+0x244/0x39d
[  328.708695] lowmem_reserve[]: 0 2818 6321 6321
[  328.734796]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.738389] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  328.742952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.748112] lowmem_reserve[]: 0 0 3503 3503
[  328.775678]  ? do_raw_spin_lock+0x14f/0x350
[  328.781184] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  328.785487]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  328.789765] lowmem_reserve[]: 0 0 0 0
[  328.818813]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  328.823447] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  328.827227]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  328.832383] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  328.845987]  arch_trigger_cpumask_backtrace+0x14/0x20
[  328.851231] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  328.866381]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  328.871539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  328.886428]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  328.890805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  328.899613]  ? print_other_cpu_stall+0x160/0x160
[  328.904335] 358 total pagecache pages
[  328.912886]  ? print_usage_bug+0xc0/0xc0
[  328.917621] 0 pages in swap cache
[  328.921395]  ? kasan_check_read+0x11/0x20
[  328.925425] Swap cache stats: add 0, delete 0, find 0/0
[  328.928858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.932971] Free swap  = 0kB
[  328.938314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.943820] Total swap = 0kB
[  328.946836]  ? do_trace_rcu_torture_read+0x10/0x10
[  328.952440] 1965979 pages RAM
[  328.955443]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  328.960335] 0 pages HighMem/MovableOnly
[  328.963440]  ? __lock_is_held+0xb5/0x140
[  328.968677] 342854 pages reserved
[  328.968683] 0 pages cma reserved
[  328.972637]  ? __rcu_read_lock+0x50/0x50
[  328.976722] aoe: skb alloc failure
[  328.980106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.980119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.980134]  ? check_preemption_disabled+0x48/0x280
[  328.983500] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.987530]  rcu_check_callbacks+0xf3b/0x13f0
[  328.991035] rsyslogd cpuset=/ mems_allowed=0
[  328.996552]  ? rcutree_dead_cpu+0x10/0x10
[  329.030097]  ? lock_downgrade+0x900/0x900
[  329.034252]  ? lock_release+0x960/0xa00
[  329.038223]  ? zap_class+0x640/0x640
[  329.041924]  ? zap_class+0x640/0x640
[  329.045628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.051153]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  329.055724]  ? kvm_set_tsc_khz+0x540/0x540
[  329.059944]  ? warn_alloc.cold.116+0xd1/0x1bd
[  329.064429]  ? find_held_lock+0x36/0x1c0
[  329.068487]  ? zap_class+0x640/0x640
[  329.072191]  ? timekeeping_advance+0x3cc/0xc00
[  329.076769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.082295]  ? check_preemption_disabled+0x48/0x280
[  329.087303]  ? trace_hardirqs_off+0xb8/0x310
[  329.091698]  ? __lock_is_held+0xb5/0x140
[  329.095748]  ? trace_hardirqs_on+0x310/0x310
[  329.100144]  ? check_preemption_disabled+0x48/0x280
[  329.105153]  ? raise_softirq+0x199/0x420
[  329.109203]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  329.113878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.119406]  ? check_preemption_disabled+0x48/0x280
[  329.124421]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.129946]  ? hrtimer_run_queues+0x9a/0x400
[  329.134346]  ? run_local_timers+0x19b/0x230
[  329.138654]  ? timer_clear_idle+0x90/0x90
[  329.142789]  ? debug_smp_processor_id+0x1c/0x20
[  329.147442]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  329.153408]  ? account_process_tick+0x282/0x350
[  329.158095]  update_process_times+0x2d/0x70
[  329.162408]  tick_sched_handle+0x9f/0x180
[  329.166632]  tick_sched_timer+0x45/0x130
[  329.170683]  __hrtimer_run_queues+0x41c/0x10d0
[  329.175274]  ? tick_sched_do_timer+0x1a0/0x1a0
[  329.179848]  ? hrtimer_start_range_ns+0xe00/0xe00
[  329.184683]  ? pvclock_read_flags+0x160/0x160
[  329.189165]  ? trace_hardirqs_on+0x310/0x310
[  329.193555]  ? zap_class+0x640/0x640
[  329.197259]  ? kvm_clock_read+0x18/0x30
[  329.201233]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  329.206241]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  329.211594]  ? do_timer+0x50/0x50
[  329.215038]  ? rwlock_bug.part.2+0x90/0x90
[  329.219273]  ? trace_hardirqs_on+0x310/0x310
[  329.223678]  ? rcu_softirq_qs+0x20/0x20
[  329.227645]  hrtimer_interrupt+0x313/0x780
[  329.231877]  smp_apic_timer_interrupt+0x1a1/0x760
[  329.236703]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.242577]  ? interrupt_entry+0xb5/0xc0
[  329.246626]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.251625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.256284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.261126]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.266140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.270975]  apic_timer_interrupt+0xf/0x20
[  329.275197] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  329.280549] Code: 3f 7e 0f 85 32 ff ff ff e8 45 0d 3e ff e9 28 ff ff ff e8 fc 42 c3 ff 48 83 3d 84 8b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  329.299436] RSP: 0000:ffff8881dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  329.307133] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110329e45c1
[  329.314387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  329.321645] RBP: ffff8881dae074c0 R08: ffff888194f22e08 R09: 0000000000000002
[  329.328900] R10: 0000000000000000 R11: ffff888194f22540 R12: ffff8881d9bee600
[  329.336158] R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000282
[  329.343413]  ? apic_timer_interrupt+0xa/0x20
[  329.347818]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.352054]  __alloc_skb+0x119/0x770
[  329.355750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.361016]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.365423]  ? lock_downgrade+0x900/0x900
[  329.369566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.375086]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.380527]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.385980]  ? addrconf_rs_timer+0x690/0x690
[  329.390382]  ndisc_alloc_skb+0x144/0x340
[  329.394433]  ndisc_send_rs+0x331/0x6e0
[  329.398313]  addrconf_rs_timer+0x314/0x690
[  329.402549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.406796]  call_timer_fn+0x272/0x920
[  329.410672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.414895]  ? process_timeout+0x40/0x40
[  329.418953]  ? __run_timers+0x7da/0xc70
[  329.422946]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.427443]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.431926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.436145]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.440719]  ? trace_hardirqs_on+0xbd/0x310
[  329.445053]  ? kasan_check_read+0x11/0x20
[  329.449187]  ? __run_timers+0x7da/0xc70
[  329.453150]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.458245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.462468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.466699]  __run_timers+0x7e5/0xc70
[  329.470496]  ? timer_fixup_init+0x70/0x70
[  329.474633]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.479632]  ? zap_class+0x640/0x640
[  329.483333]  ? enqueue_hrtimer+0x1a5/0x560
[  329.487555]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.492737]  ? find_held_lock+0x36/0x1c0
[  329.496788]  ? zap_class+0x640/0x640
[  329.500500]  ? pvclock_read_flags+0x160/0x160
[  329.504984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.510509]  ? check_preemption_disabled+0x48/0x280
[  329.515516]  ? __lock_is_held+0xb5/0x140
[  329.519566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.525092]  ? check_preemption_disabled+0x48/0x280
[  329.530099]  run_timer_softirq+0x52/0xb0
[  329.534148]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.539151]  __do_softirq+0x308/0xb7e
[  329.542942]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.547422]  ? lock_downgrade+0x900/0x900
[  329.551559]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.556653]  ? pvclock_read_flags+0x160/0x160
[  329.561135]  ? lapic_next_event+0x5a/0x90
[  329.565269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.570796]  ? kvm_clock_read+0x18/0x30
[  329.574761]  ? kvm_sched_clock_read+0x9/0x20
[  329.579157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.584683]  ? check_preemption_disabled+0x48/0x280
[  329.589690]  irq_exit+0x17f/0x1c0
[  329.593131]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.597957]  ? smp_reschedule_interrupt+0x109/0x650
[  329.602960]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.608828]  ? interrupt_entry+0xb5/0xc0
[  329.612876]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.617886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.622889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.627717]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.632719]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.637718]  ? task_prio+0x50/0x50
[  329.641244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.646769]  ? check_preemption_disabled+0x48/0x280
[  329.651787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.656634]  apic_timer_interrupt+0xf/0x20
[  329.660857]  </IRQ>
[  329.663105] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  329.668030] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  329.686913] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  329.694605] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  329.701864] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  329.709134] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  329.716420] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  329.723678] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  329.730958]  skb_clone+0x1bb/0x500
[  329.734483]  ? finish_task_switch+0x615/0x910
[  329.738975]  ? skb_split+0x11e0/0x11e0
[  329.742946]  ? preempt_notifier_register+0x200/0x200
[  329.748033]  ? __switch_to_asm+0x34/0x70
[  329.752079]  ? __switch_to_asm+0x34/0x70
[  329.756126]  ? __switch_to_asm+0x40/0x70
[  329.760172]  ? __switch_to_asm+0x34/0x70
[  329.764218]  ? __switch_to_asm+0x40/0x70
[  329.768266]  ? __switch_to_asm+0x34/0x70
[  329.772311]  ? __switch_to_asm+0x40/0x70
[  329.776357]  ? __switch_to_asm+0x34/0x70
[  329.780404]  ? __switch_to_asm+0x34/0x70
[  329.784463]  ? __switch_to_asm+0x40/0x70
[  329.788508]  ? __switch_to_asm+0x34/0x70
[  329.792559]  bpf_clone_redirect+0xb9/0x490
[  329.796784]  ? __schedule+0x8d7/0x21d0
[  329.800665]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  329.805671]  ? __sched_text_start+0x8/0x8
[  329.809818]  ? retint_kernel+0x2d/0x2d
[  329.813698]  ? find_held_lock+0x36/0x1c0
[  329.817753]  ? lock_acquire+0x1ed/0x520
[  329.821722]  ? bpf_test_run+0x3ee/0x7a0
[  329.825682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.831207]  ? check_preemption_disabled+0x48/0x280
[  329.836213]  ? kasan_check_read+0x11/0x20
[  329.840348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.845610]  ? rcu_softirq_qs+0x20/0x20
[  329.849570]  ? preempt_schedule+0x4d/0x60
[  329.853706]  ? ___preempt_schedule+0x16/0x18
[  329.858112]  ? bpf_test_run+0x271/0x7a0
[  329.862080]  ? eth_type_trans+0x2ea/0x760
[  329.866220]  ? netlink_diag_dump+0x2a0/0x2a0
[  329.870617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.876145]  ? bpf_test_init.isra.10+0x70/0x100
[  329.880804]  ? bpf_prog_test_run_skb+0x762/0xd60
[  329.885548]  ? apparmor_cred_transfer+0x590/0x590
[  329.890468]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.895302]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.900823]  ? fput+0x130/0x1a0
[  329.904095]  ? __bpf_prog_get+0x9b/0x290
[  329.908142]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.912973]  ? bpf_prog_test_run+0x130/0x1a0
[  329.917380]  ? __x64_sys_bpf+0x3d8/0x520
[  329.921427]  ? bpf_prog_get+0x20/0x20
[  329.925238]  ? do_syscall_64+0x1b9/0x820
[  329.929287]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  329.934726]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.939753]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.944762]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  329.949772]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  329.956424]  ? __switch_to_asm+0x40/0x70
[  329.960469]  ? __switch_to_asm+0x34/0x70
[  329.964522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.969396]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.974767] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  329.975095] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  329.981589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.981593] Call Trace:
[  329.981598]  <IRQ>
[  329.981611]  dump_stack+0x244/0x39d
[  329.981626]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.988155] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.997438]  warn_alloc.cold.116+0xb7/0x1bd
[  329.999991] syz-executor4 cpuset=syz4 mems_allowed=0
[  330.002123]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.035550]  ? lock_downgrade+0x900/0x900
[  330.039692]  ? trace_hardirqs_off+0xb8/0x310
[  330.044091]  ? trace_hardirqs_off+0xb8/0x310
[  330.048491]  __alloc_pages_slowpath+0x2651/0x2de0
[  330.053343]  ? warn_alloc+0x120/0x120
[  330.057150]  ? warn_alloc+0x120/0x120
[  330.060942]  ? __lock_acquire+0x62f/0x4c20
[  330.065173]  ? warn_alloc+0x120/0x120
[  330.068964]  ? print_usage_bug+0xc0/0xc0
[  330.073027]  ? print_usage_bug+0xc0/0xc0
[  330.077087]  ? mark_held_locks+0x130/0x130
[  330.081388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.086913]  ? should_fail+0x22d/0xd01
[  330.090787]  ? zap_class+0x640/0x640
[  330.094588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.099679]  ? __lock_acquire+0x62f/0x4c20
[  330.103901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.109009]  ? should_fail+0x22d/0xd01
[  330.112889]  ? mark_held_locks+0x130/0x130
[  330.117110]  ? mark_held_locks+0x130/0x130
[  330.121334]  ? lock_downgrade+0x900/0x900
[  330.125469]  ? zap_class+0x640/0x640
[  330.129178]  ? zap_class+0x640/0x640
[  330.132889]  ? zap_class+0x640/0x640
[  330.136585]  ? do_raw_spin_unlock+0xa7/0x330
[  330.140986]  ? trace_hardirqs_on+0x310/0x310
[  330.145383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.150905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.156432]  ? check_preemption_disabled+0x48/0x280
[  330.161456]  ? __lock_is_held+0xb5/0x140
[  330.165515]  __alloc_pages_nodemask+0xad8/0xea0
[  330.170172]  ? zap_class+0x640/0x640
[  330.173882]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  330.178892]  ? find_held_lock+0x36/0x1c0
[  330.182968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.187652]  ? lock_downgrade+0x900/0x900
[  330.191796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.197341]  cache_grow_begin+0xa5/0x8c0
[  330.201420]  ? do_raw_spin_unlock+0xa7/0x330
[  330.205822]  fallback_alloc+0x204/0x2e0
[  330.209787]  ____cache_alloc_node+0x1c7/0x1e0
[  330.214283]  kmem_cache_alloc_node+0xe3/0x730
[  330.218768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.223344]  __alloc_skb+0x119/0x770
[  330.227044]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  330.232394]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.236790]  ? vprintk_default+0x28/0x30
[  330.240837]  ? vprintk_func+0x85/0x181
[  330.244710]  ? printk+0xa7/0xcf
[  330.247982]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  330.252740]  new_skb+0x26/0x1c0
[  330.256022]  aoecmd_cfg+0x279/0x7f0
[  330.259641]  ? find_held_lock+0x36/0x1c0
[  330.263695]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  330.268034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.273565]  ? __lock_is_held+0xb5/0x140
[  330.277622]  discover_timer+0x50/0x60
[  330.281412]  call_timer_fn+0x272/0x920
[  330.285286]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.290113]  ? process_timeout+0x40/0x40
[  330.294163]  ? mark_held_locks+0xc7/0x130
[  330.298304]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.302792]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.307277]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.312103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.316672]  ? trace_hardirqs_on+0xbd/0x310
[  330.320980]  ? kasan_check_read+0x11/0x20
[  330.325113]  ? __run_timers+0x7da/0xc70
[  330.329073]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.334171]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.338994]  __run_timers+0x7e5/0xc70
[  330.342792]  ? timer_fixup_init+0x70/0x70
[  330.346932]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.351941]  ? zap_class+0x640/0x640
[  330.355659]  ? print_usage_bug+0xc0/0xc0
[  330.359707]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.364886]  ? find_held_lock+0x36/0x1c0
[  330.368938]  ? zap_class+0x640/0x640
[  330.372647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.378170]  ? check_preemption_disabled+0x48/0x280
[  330.383182]  ? __lock_is_held+0xb5/0x140
[  330.387230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.392756]  ? check_preemption_disabled+0x48/0x280
[  330.397763]  run_timer_softirq+0x52/0xb0
[  330.401809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.406812]  __do_softirq+0x308/0xb7e
[  330.410622]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.415106]  ? lock_downgrade+0x900/0x900
[  330.419243]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.424336]  ? pvclock_read_flags+0x160/0x160
[  330.428816]  ? lapic_next_event+0x5a/0x90
[  330.432959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.438492]  ? kvm_clock_read+0x18/0x30
[  330.442457]  ? kvm_sched_clock_read+0x9/0x20
[  330.446852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.452378]  ? check_preemption_disabled+0x48/0x280
[  330.457386]  irq_exit+0x17f/0x1c0
[  330.460828]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.465669]  ? smp_reschedule_interrupt+0x109/0x650
[  330.470677]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.476550]  ? interrupt_entry+0xb5/0xc0
[  330.480607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.485608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.490611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.495436]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.500439]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.505458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.510298]  apic_timer_interrupt+0xf/0x20
[  330.514523]  </IRQ>
[  330.516758] RIP: 0010:dump_stack+0x358/0x39d
[  330.521151] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  330.540168] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  330.547873] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  330.555129] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  330.562400] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  330.569653] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  330.576908] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  330.584190]  ? dump_stack+0x34f/0x39d
[  330.588005]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.593199]  ? mark_held_locks+0x130/0x130
[  330.597423]  ? mark_held_locks+0x130/0x130
[  330.601655]  dump_header+0x27b/0xf72
[  330.605361]  ? pagefault_out_of_memory+0x197/0x197
[  330.610290]  ? __lock_acquire+0x62f/0x4c20
[  330.614511]  ? percpu_ref_get_many+0x240/0x240
[  330.619080]  ? print_usage_bug+0xc0/0xc0
[  330.623134]  ? zap_class+0x640/0x640
[  330.626838]  ? print_usage_bug+0xc0/0xc0
[  330.630882]  ? print_usage_bug+0xc0/0xc0
[  330.634938]  ? zap_class+0x640/0x640
[  330.638657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.644182]  ? find_held_lock+0x36/0x1c0
[  330.648254]  ? mark_held_locks+0xc7/0x130
[  330.652392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.657484]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.662574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.667148]  ? trace_hardirqs_on+0xbd/0x310
[  330.671455]  ? kasan_check_read+0x11/0x20
[  330.675595]  ? ___ratelimit+0x3b4/0x672
[  330.679558]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.684650]  ? trace_hardirqs_on+0x310/0x310
[  330.689044]  ? lock_downgrade+0x900/0x900
[  330.693701]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.698789]  ? ___ratelimit+0x3b9/0x672
[  330.702749]  ? idr_get_free+0xf70/0xf70
[  330.706710]  ? find_held_lock+0x36/0x1c0
[  330.710767]  oom_kill_process.cold.27+0x10/0x903
[  330.715513]  ? zap_class+0x640/0x640
[  330.719214]  ? check_preemption_disabled+0x48/0x280
[  330.724223]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.729135]  ? kasan_check_read+0x11/0x20
[  330.733268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.738532]  ? oom_evaluate_task+0x540/0x540
[  330.742940]  ? find_held_lock+0x36/0x1c0
[  330.746992]  ? out_of_memory+0x974/0x1430
[  330.751128]  ? lock_downgrade+0x900/0x900
[  330.755265]  ? check_preemption_disabled+0x48/0x280
[  330.760270]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.765187]  ? kasan_check_read+0x11/0x20
[  330.769326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.774589]  ? rcu_softirq_qs+0x20/0x20
[  330.778559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.784079]  ? oom_evaluate_task+0x302/0x540
[  330.788481]  out_of_memory+0xa84/0x1430
[  330.792450]  ? oom_killer_disable+0x3a0/0x3a0
[  330.796933]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  330.801865]  ? __ww_mutex_check_waiters+0x160/0x160
[  330.806873]  __alloc_pages_slowpath+0x232c/0x2de0
[  330.811719]  ? warn_alloc+0x120/0x120
[  330.815502]  ? mark_held_locks+0x130/0x130
[  330.819731]  ? find_get_entry+0xaae/0x1120
[  330.823961]  ? filemap_map_pages+0x1a20/0x1a20
[  330.828547]  ? zap_class+0x640/0x640
[  330.832252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.837782]  ? check_preemption_disabled+0x48/0x280
[  330.842784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.848309]  ? should_fail+0x22d/0xd01
[  330.852187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.857275]  ? zap_class+0x640/0x640
[  330.860993]  ? __lock_is_held+0xb5/0x140
[  330.865051]  ? mark_held_locks+0x130/0x130
[  330.869278]  ? lock_release+0xa00/0xa00
[  330.873243]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.878685]  ? xa_load+0x2ba/0x460
[  330.882217]  ? lock_downgrade+0x900/0x900
[  330.886356]  ? __might_sleep+0x95/0x190
[  330.890323]  __alloc_pages_nodemask+0xad8/0xea0
[  330.894985]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  330.899985]  ? __page_cache_alloc+0x191/0x5c0
[  330.904481]  ? xa_load+0x2e1/0x460
[  330.908011]  ? xa_clear_mark+0x40/0x40
[  330.911883]  ? zap_class+0x640/0x640
[  330.915592]  ? zap_class+0x640/0x640
[  330.919295]  ? zap_class+0x640/0x640
[  330.922998]  ? __do_page_cache_readahead+0x663/0x810
[  330.928092]  ? find_held_lock+0x36/0x1c0
[  330.932147]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  330.937677]  alloc_pages_current+0x173/0x350
[  330.942074]  __page_cache_alloc+0x38c/0x5c0
[  330.946378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.951295]  ? kasan_check_read+0x11/0x20
[  330.955430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.960696]  ? generic_perform_write+0x6a0/0x6a0
[  330.965443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.970969]  ? check_preemption_disabled+0x48/0x280
[  330.975980]  filemap_fault+0x1595/0x25f0
[  330.980046]  ? __lock_page_or_retry+0xa00/0xa00
[  330.984708]  ? mark_held_locks+0x130/0x130
[  330.988943]  ? filemap_map_pages+0xd6b/0x1a20
[  330.993436]  ? lock_downgrade+0x900/0x900
[  330.997584]  ? check_preemption_disabled+0x48/0x280
[  331.002589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.007512]  ? kasan_check_read+0x11/0x20
[  331.011651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.016923]  ? rcu_softirq_qs+0x20/0x20
[  331.020907]  ? filemap_map_pages+0xd92/0x1a20
[  331.025406]  ? find_get_entries_tag+0x1400/0x1400
[  331.030244]  ? __kernel_text_address+0xd/0x40
[  331.034728]  ? unwind_get_return_address+0x61/0xa0
[  331.039655]  ? lock_acquire+0x1ed/0x520
[  331.043616]  ? ext4_filemap_fault+0x7a/0xad
[  331.047930]  ? lock_release+0xa00/0xa00
[  331.051912]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.057349]  ? print_usage_bug+0xc0/0xc0
[  331.061414]  ? print_usage_bug+0xc0/0xc0
[  331.065462]  ? __x64_sys_read+0x73/0xb0
[  331.069429]  ? print_usage_bug+0xc0/0xc0
[  331.073488]  ? down_read+0x8d/0x120
[  331.077099]  ? ext4_filemap_fault+0x7a/0xad
[  331.081424]  ? __down_interruptible+0x700/0x700
[  331.086087]  ext4_filemap_fault+0x82/0xad
[  331.090230]  __do_fault+0x100/0x6b0
[  331.093844]  ? trace_hardirqs_on+0xbd/0x310
[  331.098156]  ? pmd_devmap_trans_unstable+0x220/0x220
[  331.103248]  ? mark_held_locks+0x130/0x130
[  331.107469]  ? mark_held_locks+0x130/0x130
[  331.111693]  ? do_syslog+0x147b/0x1690
[  331.115605]  ? do_syslog+0x309/0x1690
[  331.119406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.124933]  __handle_mm_fault+0x3ea0/0x5be0
[  331.129336]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  331.134176]  ? find_held_lock+0x36/0x1c0
[  331.138237]  ? zap_class+0x640/0x640
[  331.141937]  ? zap_class+0x640/0x640
[  331.145638]  ? find_held_lock+0x36/0x1c0
[  331.149691]  ? handle_mm_fault+0x42a/0xc70
[  331.153913]  ? lock_downgrade+0x900/0x900
[  331.158066]  ? check_preemption_disabled+0x48/0x280
[  331.163078]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.167999]  ? kasan_check_read+0x11/0x20
[  331.172132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.177399]  ? rcu_softirq_qs+0x20/0x20
[  331.181359]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.186459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.191980]  ? check_preemption_disabled+0x48/0x280
[  331.196987]  handle_mm_fault+0x54f/0xc70
[  331.201036]  ? __handle_mm_fault+0x5be0/0x5be0
[  331.205605]  ? find_vma+0x34/0x190
[  331.209138]  __do_page_fault+0x5e8/0xe60
[  331.213184]  ? trace_hardirqs_off+0xb8/0x310
[  331.217581]  ? kernel_write+0x120/0x120
[  331.221547]  do_page_fault+0xf2/0x7e0
[  331.225343]  ? vmalloc_sync_all+0x30/0x30
[  331.229477]  ? error_entry+0x70/0xd0
[  331.233184]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.238189]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.243107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.248032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.252862]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.257881]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.263317]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.268326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  331.273328]  ? page_fault+0x8/0x30
[  331.276859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.281721]  ? page_fault+0x8/0x30
[  331.285250]  page_fault+0x1e/0x30
[  331.288689] RIP: 0033:0x7f71188e71fd
[  331.292406] Code: Bad RIP value.
[  331.295755] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  331.301105] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  331.308404] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  331.315661] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  331.322919] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  331.330272] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  331.337544] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  331.337545] Mem-Info:
[  331.337571] active_anon:46284 inactive_anon:276 isolated_anon:0
[  331.337571]  active_file:13 inactive_file:11 isolated_file:0
[  331.337571]  unevictable:0 dirty:0 writeback:0 unstable:0
[  331.337571]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  331.337571]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  331.337571]  free:13741 free_pcp:339 free_cma:0
[  331.344805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.344811] Call Trace:
[  331.347229] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  331.380062]  <IRQ>
[  331.389389] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  331.391953]  dump_stack+0x244/0x39d
[  331.419582] lowmem_reserve[]: 0 2818 6321 6321
[  331.421721]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.447791] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  331.451402]  warn_alloc.cold.116+0xb7/0x1bd
[  331.455940] lowmem_reserve[]: 0 0 3503 3503
[  331.461117]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.488665] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  331.492987]  ? lock_downgrade+0x900/0x900
[  331.497267] lowmem_reserve[]: 0 0 0 0
[  331.502097]  ? trace_hardirqs_off+0xb8/0x310
[  331.531115] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  331.535249]  ? trace_hardirqs_off+0xb8/0x310
[  331.539011] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  331.543410]  __alloc_pages_slowpath+0x2651/0x2de0
[  331.556893] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  331.561301]  ? warn_alloc+0x120/0x120
[  331.576424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  331.581243]  ? print_usage_bug+0xc0/0xc0
[  331.596125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  331.599899]  ? warn_alloc+0x120/0x120
[  331.608700] 358 total pagecache pages
[  331.612744]  ? warn_alloc+0x120/0x120
[  331.621292] 0 pages in swap cache
[  331.625066]  ? print_usage_bug+0xc0/0xc0
[  331.628853] Swap cache stats: add 0, delete 0, find 0/0
[  331.628860] Free swap  = 0kB
[  331.632727]  ? kvm_clock_read+0x18/0x30
[  331.636147] Total swap = 0kB
[  331.640183]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  331.645516] 1965979 pages RAM
[  331.648536]  ? print_usage_bug+0xc0/0xc0
[  331.652471] 0 pages HighMem/MovableOnly
[  331.652478] 342854 pages reserved
[  331.655475]  ? __lock_acquire+0x62f/0x4c20
[  331.660456] 0 pages cma reserved
[  331.663544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.667621] aoe: skb alloc failure
[  331.671523]  ? should_fail+0x22d/0xd01
[  331.671534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.671550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.675011] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.679199]  ? __lock_acquire+0x62f/0x4c20
[  331.682544] rsyslogd cpuset=/ mems_allowed=0
[  331.688059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.729468]  ? __lock_acquire+0x62f/0x4c20
[  331.733687]  ? should_fail+0x22d/0xd01
[  331.737559]  ? rcu_irq_exit+0x1a2/0x390
[  331.741526]  ? mark_held_locks+0x130/0x130
[  331.745752]  ? mark_held_locks+0x130/0x130
[  331.749981]  ? mark_held_locks+0xc7/0x130
[  331.754119]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  331.759120]  ? zap_class+0x640/0x640
[  331.762820]  ? print_usage_bug+0xc0/0xc0
[  331.766885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.772405]  ? check_preemption_disabled+0x48/0x280
[  331.777421]  ? __lock_is_held+0xb5/0x140
[  331.781481]  __alloc_pages_nodemask+0xad8/0xea0
[  331.786140]  ? zap_class+0x640/0x640
[  331.789854]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  331.794866]  ? find_held_lock+0x36/0x1c0
[  331.798920]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.803589]  ? lock_downgrade+0x900/0x900
[  331.807818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.813357]  cache_grow_begin+0xa5/0x8c0
[  331.817406]  ? do_raw_spin_unlock+0xa7/0x330
[  331.821806]  fallback_alloc+0x204/0x2e0
[  331.825793]  ____cache_alloc_node+0x1c7/0x1e0
[  331.830288]  kmem_cache_alloc_node+0xe3/0x730
[  331.834782]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.839010]  __alloc_skb+0x119/0x770
[  331.842709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.847974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.852370]  ? lock_downgrade+0x900/0x900
[  331.856512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.862039]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.867483]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.872942]  ? addrconf_rs_timer+0x690/0x690
[  331.877348]  ndisc_alloc_skb+0x144/0x340
[  331.881400]  ndisc_send_rs+0x331/0x6e0
[  331.885282]  addrconf_rs_timer+0x314/0x690
[  331.889508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.893738]  call_timer_fn+0x272/0x920
[  331.897610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.901838]  ? process_timeout+0x40/0x40
[  331.905889]  ? __run_timers+0x7da/0xc70
[  331.909861]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.914338]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.918831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.923054]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.927625]  ? trace_hardirqs_on+0xbd/0x310
[  331.931939]  ? kasan_check_read+0x11/0x20
[  331.936073]  ? __run_timers+0x7da/0xc70
[  331.940039]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.945131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.949373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.953597]  __run_timers+0x7e5/0xc70
[  331.957394]  ? timer_fixup_init+0x70/0x70
[  331.961529]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.966538]  ? zap_class+0x640/0x640
[  331.970247]  ? enqueue_hrtimer+0x1a5/0x560
[  331.974473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.979654]  ? find_held_lock+0x36/0x1c0
[  331.983707]  ? zap_class+0x640/0x640
[  331.987413]  ? pvclock_read_flags+0x160/0x160
[  331.991895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.997416]  ? check_preemption_disabled+0x48/0x280
[  332.002426]  ? __lock_is_held+0xb5/0x140
[  332.006476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.012000]  ? check_preemption_disabled+0x48/0x280
[  332.017006]  run_timer_softirq+0x52/0xb0
[  332.021056]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.026054]  __do_softirq+0x308/0xb7e
[  332.029843]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.034322]  ? lock_downgrade+0x900/0x900
[  332.038471]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.043566]  ? pvclock_read_flags+0x160/0x160
[  332.048051]  ? lapic_next_event+0x5a/0x90
[  332.052193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.057719]  ? kvm_clock_read+0x18/0x30
[  332.061681]  ? kvm_sched_clock_read+0x9/0x20
[  332.066079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.071608]  ? check_preemption_disabled+0x48/0x280
[  332.076618]  irq_exit+0x17f/0x1c0
[  332.080066]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.084899]  ? smp_reschedule_interrupt+0x109/0x650
[  332.089906]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.095775]  ? interrupt_entry+0xb5/0xc0
[  332.099839]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.104841]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.109844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.114677]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.119677]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.124692]  ? task_prio+0x50/0x50
[  332.128219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.133742]  ? check_preemption_disabled+0x48/0x280
[  332.138759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.143589]  apic_timer_interrupt+0xf/0x20
[  332.147809]  </IRQ>
[  332.150034] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  332.154946] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  332.173828] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  332.181524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  332.188780] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  332.196042] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  332.203299] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  332.210556] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  332.217850]  skb_clone+0x1bb/0x500
[  332.221379]  ? finish_task_switch+0x615/0x910
[  332.225860]  ? skb_split+0x11e0/0x11e0
[  332.229733]  ? preempt_notifier_register+0x200/0x200
[  332.234843]  ? __switch_to_asm+0x34/0x70
[  332.238888]  ? __switch_to_asm+0x34/0x70
[  332.242935]  ? __switch_to_asm+0x40/0x70
[  332.246981]  ? __switch_to_asm+0x34/0x70
[  332.251027]  ? __switch_to_asm+0x40/0x70
[  332.255070]  ? __switch_to_asm+0x34/0x70
[  332.259132]  ? __switch_to_asm+0x40/0x70
[  332.263181]  ? __switch_to_asm+0x34/0x70
[  332.267246]  ? __switch_to_asm+0x34/0x70
[  332.271292]  ? __switch_to_asm+0x40/0x70
[  332.275343]  ? __switch_to_asm+0x34/0x70
[  332.279395]  bpf_clone_redirect+0xb9/0x490
[  332.283632]  ? __schedule+0x8d7/0x21d0
[  332.287512]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  332.292520]  ? __sched_text_start+0x8/0x8
[  332.296670]  ? retint_kernel+0x2d/0x2d
[  332.300559]  ? find_held_lock+0x36/0x1c0
[  332.304621]  ? lock_acquire+0x1ed/0x520
[  332.308584]  ? bpf_test_run+0x3ee/0x7a0
[  332.312548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.318077]  ? check_preemption_disabled+0x48/0x280
[  332.323105]  ? kasan_check_read+0x11/0x20
[  332.327238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.332500]  ? rcu_softirq_qs+0x20/0x20
[  332.336464]  ? preempt_schedule+0x4d/0x60
[  332.340599]  ? ___preempt_schedule+0x16/0x18
[  332.345000]  ? bpf_test_run+0x271/0x7a0
[  332.348968]  ? eth_type_trans+0x2ea/0x760
[  332.353106]  ? netlink_diag_dump+0x2a0/0x2a0
[  332.357508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.363031]  ? bpf_test_init.isra.10+0x70/0x100
[  332.367688]  ? bpf_prog_test_run_skb+0x762/0xd60
[  332.372430]  ? apparmor_cred_transfer+0x590/0x590
[  332.377263]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.382097]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  332.387636]  ? fput+0x130/0x1a0
[  332.390903]  ? __bpf_prog_get+0x9b/0x290
[  332.394955]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.399794]  ? bpf_prog_test_run+0x130/0x1a0
[  332.404191]  ? __x64_sys_bpf+0x3d8/0x520
[  332.408248]  ? bpf_prog_get+0x20/0x20
[  332.412052]  ? do_syscall_64+0x1b9/0x820
[  332.416099]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  332.421447]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.426362]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.431366]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  332.436366]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  332.443020]  ? __switch_to_asm+0x40/0x70
[  332.447062]  ? __switch_to_asm+0x34/0x70
[  332.451115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.455947]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  332.461308] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  332.461359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.468129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.468133] Call Trace:
[  332.468137]  <IRQ>
[  332.468150]  dump_stack+0x244/0x39d
[  332.468165]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.474666] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.483969]  warn_alloc.cold.116+0xb7/0x1bd
[  332.486514] syz-executor4 cpuset=syz4 mems_allowed=0
[  332.488646]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.522074]  ? lock_downgrade+0x900/0x900
[  332.526395]  ? trace_hardirqs_off+0xb8/0x310
[  332.530797]  ? trace_hardirqs_off+0xb8/0x310
[  332.535195]  __alloc_pages_slowpath+0x2651/0x2de0
[  332.540041]  ? warn_alloc+0x120/0x120
[  332.543830]  ? warn_alloc+0x120/0x120
[  332.547617]  ? __lock_acquire+0x62f/0x4c20
[  332.551837]  ? warn_alloc+0x120/0x120
[  332.555627]  ? print_usage_bug+0xc0/0xc0
[  332.559676]  ? print_usage_bug+0xc0/0xc0
[  332.563724]  ? mark_held_locks+0x130/0x130
[  332.567973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.573504]  ? should_fail+0x22d/0xd01
[  332.577373]  ? zap_class+0x640/0x640
[  332.581078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.586168]  ? __lock_acquire+0x62f/0x4c20
[  332.590395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.595486]  ? should_fail+0x22d/0xd01
[  332.599369]  ? mark_held_locks+0x130/0x130
[  332.603599]  ? mark_held_locks+0x130/0x130
[  332.607839]  ? lock_downgrade+0x900/0x900
[  332.611977]  ? zap_class+0x640/0x640
[  332.615673]  ? zap_class+0x640/0x640
[  332.619372]  ? zap_class+0x640/0x640
[  332.623070]  ? do_raw_spin_unlock+0xa7/0x330
[  332.627477]  ? trace_hardirqs_on+0x310/0x310
[  332.631888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.637415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.642971]  ? check_preemption_disabled+0x48/0x280
[  332.647982]  ? __lock_is_held+0xb5/0x140
[  332.652031]  __alloc_pages_nodemask+0xad8/0xea0
[  332.656689]  ? zap_class+0x640/0x640
[  332.660396]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  332.665426]  ? find_held_lock+0x36/0x1c0
[  332.669487]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.674158]  ? lock_downgrade+0x900/0x900
[  332.678306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.683833]  cache_grow_begin+0xa5/0x8c0
[  332.687878]  ? do_raw_spin_unlock+0xa7/0x330
[  332.692278]  fallback_alloc+0x204/0x2e0
[  332.696699]  ____cache_alloc_node+0x1c7/0x1e0
[  332.701183]  kmem_cache_alloc_node+0xe3/0x730
[  332.705665]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.710237]  __alloc_skb+0x119/0x770
[  332.713942]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  332.719294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.723693]  ? vprintk_default+0x28/0x30
[  332.727748]  ? vprintk_func+0x85/0x181
[  332.731625]  ? printk+0xa7/0xcf
[  332.734888]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  332.739638]  new_skb+0x26/0x1c0
[  332.742904]  aoecmd_cfg+0x279/0x7f0
[  332.746516]  ? find_held_lock+0x36/0x1c0
[  332.750562]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  332.754871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.760403]  ? __lock_is_held+0xb5/0x140
[  332.764454]  discover_timer+0x50/0x60
[  332.768240]  call_timer_fn+0x272/0x920
[  332.772114]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.776940]  ? process_timeout+0x40/0x40
[  332.780995]  ? mark_held_locks+0xc7/0x130
[  332.785135]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.789615]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.794108]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.798934]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.803511]  ? trace_hardirqs_on+0xbd/0x310
[  332.807814]  ? kasan_check_read+0x11/0x20
[  332.811945]  ? __run_timers+0x7da/0xc70
[  332.815907]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.821014]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.825841]  __run_timers+0x7e5/0xc70
[  332.829637]  ? timer_fixup_init+0x70/0x70
[  332.833773]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  332.838780]  ? zap_class+0x640/0x640
[  332.842493]  ? print_usage_bug+0xc0/0xc0
[  332.846539]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  332.851717]  ? find_held_lock+0x36/0x1c0
[  332.855773]  ? zap_class+0x640/0x640
[  332.859488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.865015]  ? check_preemption_disabled+0x48/0x280
[  332.870041]  ? __lock_is_held+0xb5/0x140
[  332.874090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.879611]  ? check_preemption_disabled+0x48/0x280
[  332.884632]  run_timer_softirq+0x52/0xb0
[  332.888678]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.893681]  __do_softirq+0x308/0xb7e
[  332.897470]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.901951]  ? lock_downgrade+0x900/0x900
[  332.906089]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.911197]  ? pvclock_read_flags+0x160/0x160
[  332.915680]  ? lapic_next_event+0x5a/0x90
[  332.919819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.925346]  ? kvm_clock_read+0x18/0x30
[  332.929307]  ? kvm_sched_clock_read+0x9/0x20
[  332.933718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.939268]  ? check_preemption_disabled+0x48/0x280
[  332.944281]  irq_exit+0x17f/0x1c0
[  332.947720]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.952558]  ? smp_reschedule_interrupt+0x109/0x650
[  332.957562]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.963436]  ? interrupt_entry+0xb5/0xc0
[  332.967485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.972486]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.977488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.982320]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.987322]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.992333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.997167]  apic_timer_interrupt+0xf/0x20
[  333.001385]  </IRQ>
[  333.003612] RIP: 0010:dump_stack+0x358/0x39d
[  333.008011] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  333.026897] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  333.034591] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  333.041845] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  333.049098] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  333.056356] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  333.063610] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  333.070879]  ? dump_stack+0x34f/0x39d
[  333.074681]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.079864]  ? mark_held_locks+0x130/0x130
[  333.084084]  ? mark_held_locks+0x130/0x130
[  333.088310]  dump_header+0x27b/0xf72
[  333.092022]  ? pagefault_out_of_memory+0x197/0x197
[  333.096944]  ? __lock_acquire+0x62f/0x4c20
[  333.101265]  ? percpu_ref_get_many+0x240/0x240
[  333.105854]  ? print_usage_bug+0xc0/0xc0
[  333.109913]  ? zap_class+0x640/0x640
[  333.113663]  ? print_usage_bug+0xc0/0xc0
[  333.117720]  ? print_usage_bug+0xc0/0xc0
[  333.121771]  ? zap_class+0x640/0x640
[  333.125476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.131004]  ? find_held_lock+0x36/0x1c0
[  333.135058]  ? mark_held_locks+0xc7/0x130
[  333.139194]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.144284]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.149374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.153945]  ? trace_hardirqs_on+0xbd/0x310
[  333.158250]  ? kasan_check_read+0x11/0x20
[  333.162384]  ? ___ratelimit+0x3b4/0x672
[  333.166352]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.171544]  ? trace_hardirqs_on+0x310/0x310
[  333.175942]  ? lock_downgrade+0x900/0x900
[  333.180082]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.185171]  ? ___ratelimit+0x3b9/0x672
[  333.189134]  ? idr_get_free+0xf70/0xf70
[  333.193102]  ? find_held_lock+0x36/0x1c0
[  333.197176]  oom_kill_process.cold.27+0x10/0x903
[  333.201919]  ? zap_class+0x640/0x640
[  333.205623]  ? check_preemption_disabled+0x48/0x280
[  333.210633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.215550]  ? kasan_check_read+0x11/0x20
[  333.219765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.225031]  ? oom_evaluate_task+0x540/0x540
[  333.229427]  ? find_held_lock+0x36/0x1c0
[  333.233479]  ? out_of_memory+0x974/0x1430
[  333.237624]  ? lock_downgrade+0x900/0x900
[  333.241758]  ? check_preemption_disabled+0x48/0x280
[  333.246774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.251691]  ? kasan_check_read+0x11/0x20
[  333.255831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.261093]  ? rcu_softirq_qs+0x20/0x20
[  333.265056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.270578]  ? oom_evaluate_task+0x302/0x540
[  333.274978]  out_of_memory+0xa84/0x1430
[  333.278944]  ? oom_killer_disable+0x3a0/0x3a0
[  333.283426]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  333.288345]  ? __ww_mutex_check_waiters+0x160/0x160
[  333.293363]  __alloc_pages_slowpath+0x232c/0x2de0
[  333.298221]  ? warn_alloc+0x120/0x120
[  333.302009]  ? mark_held_locks+0x130/0x130
[  333.306251]  ? find_get_entry+0xaae/0x1120
[  333.310485]  ? filemap_map_pages+0x1a20/0x1a20
[  333.315062]  ? zap_class+0x640/0x640
[  333.318769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.324292]  ? check_preemption_disabled+0x48/0x280
[  333.329297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.334820]  ? should_fail+0x22d/0xd01
[  333.338702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.343792]  ? zap_class+0x640/0x640
[  333.347514]  ? __lock_is_held+0xb5/0x140
[  333.351569]  ? mark_held_locks+0x130/0x130
[  333.355795]  ? lock_release+0xa00/0xa00
[  333.359755]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.365188]  ? xa_load+0x2ba/0x460
[  333.368722]  ? lock_downgrade+0x900/0x900
[  333.372861]  ? __might_sleep+0x95/0x190
[  333.376830]  __alloc_pages_nodemask+0xad8/0xea0
[  333.381493]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  333.386495]  ? __page_cache_alloc+0x191/0x5c0
[  333.390977]  ? xa_load+0x2e1/0x460
[  333.394511]  ? xa_clear_mark+0x40/0x40
[  333.398390]  ? zap_class+0x640/0x640
[  333.402095]  ? zap_class+0x640/0x640
[  333.405794]  ? zap_class+0x640/0x640
[  333.409496]  ? __do_page_cache_readahead+0x663/0x810
[  333.414589]  ? find_held_lock+0x36/0x1c0
[  333.418640]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  333.424171]  alloc_pages_current+0x173/0x350
[  333.428571]  __page_cache_alloc+0x38c/0x5c0
[  333.432881]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.437795]  ? kasan_check_read+0x11/0x20
[  333.441927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.447199]  ? generic_perform_write+0x6a0/0x6a0
[  333.451947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.457471]  ? check_preemption_disabled+0x48/0x280
[  333.462476]  filemap_fault+0x1595/0x25f0
[  333.466534]  ? __lock_page_or_retry+0xa00/0xa00
[  333.471198]  ? mark_held_locks+0x130/0x130
[  333.475427]  ? filemap_map_pages+0xd6b/0x1a20
[  333.479910]  ? lock_downgrade+0x900/0x900
[  333.484043]  ? check_preemption_disabled+0x48/0x280
[  333.489043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.493959]  ? kasan_check_read+0x11/0x20
[  333.498093]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.503353]  ? rcu_softirq_qs+0x20/0x20
[  333.507322]  ? filemap_map_pages+0xd92/0x1a20
[  333.511827]  ? find_get_entries_tag+0x1400/0x1400
[  333.516661]  ? __kernel_text_address+0xd/0x40
[  333.521150]  ? unwind_get_return_address+0x61/0xa0
[  333.526074]  ? lock_acquire+0x1ed/0x520
[  333.530051]  ? ext4_filemap_fault+0x7a/0xad
[  333.534365]  ? lock_release+0xa00/0xa00
[  333.538324]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.543758]  ? print_usage_bug+0xc0/0xc0
[  333.547808]  ? print_usage_bug+0xc0/0xc0
[  333.551852]  ? __x64_sys_read+0x73/0xb0
[  333.555827]  ? print_usage_bug+0xc0/0xc0
[  333.559881]  ? down_read+0x8d/0x120
[  333.563491]  ? ext4_filemap_fault+0x7a/0xad
[  333.567799]  ? __down_interruptible+0x700/0x700
[  333.572459]  ext4_filemap_fault+0x82/0xad
[  333.576594]  __do_fault+0x100/0x6b0
[  333.580204]  ? trace_hardirqs_on+0xbd/0x310
[  333.584513]  ? pmd_devmap_trans_unstable+0x220/0x220
[  333.589606]  ? mark_held_locks+0x130/0x130
[  333.593827]  ? mark_held_locks+0x130/0x130
[  333.598054]  ? do_syslog+0x147b/0x1690
[  333.601926]  ? do_syslog+0x309/0x1690
[  333.605726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.611267]  __handle_mm_fault+0x3ea0/0x5be0
[  333.615682]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  333.620527]  ? find_held_lock+0x36/0x1c0
[  333.624591]  ? zap_class+0x640/0x640
[  333.628295]  ? zap_class+0x640/0x640
[  333.632002]  ? find_held_lock+0x36/0x1c0
[  333.636059]  ? handle_mm_fault+0x42a/0xc70
[  333.640285]  ? lock_downgrade+0x900/0x900
[  333.644427]  ? check_preemption_disabled+0x48/0x280
[  333.649439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.654356]  ? kasan_check_read+0x11/0x20
[  333.658729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.663991]  ? rcu_softirq_qs+0x20/0x20
[  333.667950]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.673041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.678563]  ? check_preemption_disabled+0x48/0x280
[  333.683571]  handle_mm_fault+0x54f/0xc70
[  333.687618]  ? __handle_mm_fault+0x5be0/0x5be0
[  333.692195]  ? find_vma+0x34/0x190
[  333.695730]  __do_page_fault+0x5e8/0xe60
[  333.699796]  ? trace_hardirqs_off+0xb8/0x310
[  333.704190]  ? kernel_write+0x120/0x120
[  333.708160]  do_page_fault+0xf2/0x7e0
[  333.711955]  ? vmalloc_sync_all+0x30/0x30
[  333.716090]  ? error_entry+0x70/0xd0
[  333.719791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.724793]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.729712]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.734627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.739455]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.744461]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.749899]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.754907]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.759907]  ? page_fault+0x8/0x30
[  333.763454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.768285]  ? page_fault+0x8/0x30
[  333.771810]  page_fault+0x1e/0x30
[  333.775244] RIP: 0033:0x7f71188e71fd
[  333.778950] Code: Bad RIP value.
[  333.782297] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  333.787646] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  333.794908] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  333.802171] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  333.809423] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  333.816682] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  333.823950] warn_alloc_show_mem: 1 callbacks suppressed
[  333.823958] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  333.823959] Mem-Info:
[  333.823985] active_anon:46284 inactive_anon:276 isolated_anon:0
[  333.823985]  active_file:13 inactive_file:11 isolated_file:0
[  333.823985]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.823985]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  333.823985]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  333.823985]  free:13741 free_pcp:339 free_cma:0
[  333.829306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.829325] Call Trace:
[  333.836595] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.838980]  <IRQ>
[  333.871828] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  333.881168]  dump_stack+0x244/0x39d
[  333.883715] lowmem_reserve[]: 0 2818 6321 6321
[  333.911363]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.913476] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  333.939587]  warn_alloc.cold.116+0xb7/0x1bd
[  333.943175] lowmem_reserve[]: 0 0 3503 3503
[  333.947736]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.952894] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  333.980466]  ? lock_downgrade+0x900/0x900
[  333.984750] lowmem_reserve[]: 0 0 0 0
[  333.989058]  ? trace_hardirqs_off+0xb8/0x310
[  333.993865] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  334.022907]  ? trace_hardirqs_off+0xb8/0x310
[  334.027027] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  334.030814]  __alloc_pages_slowpath+0x2651/0x2de0
[  334.035186] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  334.048722]  ? warn_alloc+0x120/0x120
[  334.053083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  334.068228]  ? print_usage_bug+0xc0/0xc0
[  334.073042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  334.087927]  ? warn_alloc+0x120/0x120
[  334.091691] 358 total pagecache pages
[  334.100510]  ? warn_alloc+0x120/0x120
[  334.104544] 0 pages in swap cache
[  334.113095]  ? print_usage_bug+0xc0/0xc0
[  334.116865] Swap cache stats: add 0, delete 0, find 0/0
[  334.120647]  ? print_usage_bug+0xc0/0xc0
[  334.124406] Free swap  = 0kB
[  334.127841]  ? __lock_acquire+0x62f/0x4c20
[  334.131862] Total swap = 0kB
[  334.131868] 1965979 pages RAM
[  334.137213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.141235] 0 pages HighMem/MovableOnly
[  334.141241] 342854 pages reserved
[  334.144235]  ? should_fail+0x22d/0xd01
[  334.148437] 0 pages cma reserved
[  334.151436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.154548] aoe: skb alloc failure
[  334.160017]  ? __lock_acquire+0x62f/0x4c20
[  334.160033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.160046]  ? __lock_acquire+0x62f/0x4c20
[  334.164012] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.167433]  ? should_fail+0x22d/0xd01
[  334.171292] rsyslogd cpuset=/ mems_allowed=0
[  334.174644]  ? find_held_lock+0x36/0x1c0
[  334.219053]  ? mark_held_locks+0x130/0x130
[  334.223277]  ? mark_held_locks+0x130/0x130
[  334.227496]  ? zap_class+0x640/0x640
[  334.231201]  ? zap_class+0x640/0x640
[  334.234922]  ? print_usage_bug+0xc0/0xc0
[  334.238966]  ? do_raw_spin_unlock+0xa7/0x330
[  334.243357]  ? zap_class+0x640/0x640
[  334.247054]  ? print_usage_bug+0xc0/0xc0
[  334.251207]  ? wq_watchdog_touch+0x9c/0xfe
[  334.255429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.260950]  ? check_preemption_disabled+0x48/0x280
[  334.265955]  ? __lock_is_held+0xb5/0x140
[  334.270012]  __alloc_pages_nodemask+0xad8/0xea0
[  334.274673]  ? zap_class+0x640/0x640
[  334.278377]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  334.283391]  ? find_held_lock+0x36/0x1c0
[  334.287447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.292104]  ? lock_downgrade+0x900/0x900
[  334.296357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.301889]  cache_grow_begin+0xa5/0x8c0
[  334.305942]  ? do_raw_spin_unlock+0xa7/0x330
[  334.310347]  fallback_alloc+0x204/0x2e0
[  334.314316]  ____cache_alloc_node+0x1c7/0x1e0
[  334.318801]  kmem_cache_alloc_node+0xe3/0x730
[  334.323281]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.327509]  __alloc_skb+0x119/0x770
[  334.331206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.336478]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.340876]  ? lock_downgrade+0x900/0x900
[  334.345021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.350543]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.355981]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.361436]  ? addrconf_rs_timer+0x690/0x690
[  334.365837]  ndisc_alloc_skb+0x144/0x340
[  334.369902]  ndisc_send_rs+0x331/0x6e0
[  334.373780]  addrconf_rs_timer+0x314/0x690
[  334.378008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.382240]  call_timer_fn+0x272/0x920
[  334.386125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.390346]  ? process_timeout+0x40/0x40
[  334.394401]  ? __run_timers+0x7da/0xc70
[  334.398363]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.402844]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.407325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.411554]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.416123]  ? trace_hardirqs_on+0xbd/0x310
[  334.420431]  ? kasan_check_read+0x11/0x20
[  334.424571]  ? __run_timers+0x7da/0xc70
[  334.428529]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.433627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.437852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.442068]  __run_timers+0x7e5/0xc70
[  334.445861]  ? timer_fixup_init+0x70/0x70
[  334.449996]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.454996]  ? zap_class+0x640/0x640
[  334.458698]  ? enqueue_hrtimer+0x1a5/0x560
[  334.462919]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.468096]  ? find_held_lock+0x36/0x1c0
[  334.472157]  ? zap_class+0x640/0x640
[  334.475865]  ? pvclock_read_flags+0x160/0x160
[  334.480346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.485868]  ? check_preemption_disabled+0x48/0x280
[  334.490891]  ? __lock_is_held+0xb5/0x140
[  334.494941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.500466]  ? check_preemption_disabled+0x48/0x280
[  334.505477]  run_timer_softirq+0x52/0xb0
[  334.509524]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.514527]  __do_softirq+0x308/0xb7e
[  334.518321]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.522803]  ? lock_downgrade+0x900/0x900
[  334.527438]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.532535]  ? pvclock_read_flags+0x160/0x160
[  334.537018]  ? lapic_next_event+0x5a/0x90
[  334.541156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.546683]  ? kvm_clock_read+0x18/0x30
[  334.550646]  ? kvm_sched_clock_read+0x9/0x20
[  334.555039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.560564]  ? check_preemption_disabled+0x48/0x280
[  334.565573]  irq_exit+0x17f/0x1c0
[  334.569037]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.573866]  ? smp_reschedule_interrupt+0x109/0x650
[  334.578873]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.584743]  ? interrupt_entry+0xb5/0xc0
[  334.588789]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.593791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.598795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.603623]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.608626]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.613630]  ? task_prio+0x50/0x50
[  334.617163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.622701]  ? check_preemption_disabled+0x48/0x280
[  334.627716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.632550]  apic_timer_interrupt+0xf/0x20
[  334.636765]  </IRQ>
[  334.638989] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.643908] Code: 7e 0f 85 cf fe ff ff e8 96 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d d5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da c1
[  334.662883] RSP: 0000:ffff888198d876f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  334.670576] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  334.677841] RDX: 0000000000000000 RSI: ffff888194f22dc0 RDI: 0000000000000282
[  334.685095] RBP: ffff888198d87760 R08: ffff888194f22540 R09: 0000000000000000
[  334.692346] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.699784] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  334.707069]  skb_clone+0x1bb/0x500
[  334.710608]  ? finish_task_switch+0x615/0x910
[  334.715095]  ? skb_split+0x11e0/0x11e0
[  334.718979]  ? preempt_notifier_register+0x200/0x200
[  334.724064]  ? __switch_to_asm+0x34/0x70
[  334.728110]  ? __switch_to_asm+0x34/0x70
[  334.732159]  ? __switch_to_asm+0x40/0x70
[  334.736202]  ? __switch_to_asm+0x34/0x70
[  334.740250]  ? __switch_to_asm+0x40/0x70
[  334.744293]  ? __switch_to_asm+0x34/0x70
[  334.748338]  ? __switch_to_asm+0x40/0x70
[  334.752383]  ? __switch_to_asm+0x34/0x70
[  334.756427]  ? __switch_to_asm+0x34/0x70
[  334.760471]  ? __switch_to_asm+0x40/0x70
[  334.764515]  ? __switch_to_asm+0x34/0x70
[  334.768563]  bpf_clone_redirect+0xb9/0x490
[  334.772795]  ? __schedule+0x8d7/0x21d0
[  334.776688]  bpf_prog_bebbfe2050753572+0x370/0x1000
[  334.781690]  ? __sched_text_start+0x8/0x8
[  334.785820]  ? retint_kernel+0x2d/0x2d
[  334.789696]  ? find_held_lock+0x36/0x1c0
[  334.793751]  ? lock_acquire+0x1ed/0x520
[  334.797708]  ? bpf_test_run+0x3ee/0x7a0
[  334.801670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.807194]  ? check_preemption_disabled+0x48/0x280
[  334.812200]  ? kasan_check_read+0x11/0x20
[  334.816333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.821602]  ? rcu_softirq_qs+0x20/0x20
[  334.825570]  ? preempt_schedule+0x4d/0x60
[  334.829722]  ? ___preempt_schedule+0x16/0x18
[  334.834121]  ? bpf_test_run+0x271/0x7a0
[  334.838088]  ? eth_type_trans+0x2ea/0x760
[  334.842221]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.846618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.852139]  ? bpf_test_init.isra.10+0x70/0x100
[  334.856800]  ? bpf_prog_test_run_skb+0x762/0xd60
[  334.861540]  ? apparmor_cred_transfer+0x590/0x590
[  334.866377]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.871211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.876749]  ? fput+0x130/0x1a0
[  334.880020]  ? __bpf_prog_get+0x9b/0x290
[  334.884082]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.888934]  ? bpf_prog_test_run+0x130/0x1a0
[  334.893335]  ? __x64_sys_bpf+0x3d8/0x520
[  334.897383]  ? bpf_prog_get+0x20/0x20
[  334.901179]  ? do_syscall_64+0x1b9/0x820
[  334.905229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.910588]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.915503]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.920507]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.925509]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  334.932166]  ? __switch_to_asm+0x40/0x70
[  334.936238]  ? __switch_to_asm+0x34/0x70
[  334.940294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.945128]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.950490] CPU: 1 PID: 5821 Comm: rsyslogd Not tainted 4.20.0-rc4+ #100
[  334.950574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.957402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.957409] Call Trace:
[  334.964056] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.973353]  <IRQ>
[  334.975916] syz-executor4 cpuset=syz4 mems_allowed=0
[  334.986382]  dump_stack+0x244/0x39d
[  334.997195]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.002385]  warn_alloc.cold.116+0xb7/0x1bd
[  335.006692]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.011525]  ? lock_downgrade+0x900/0x900
[  335.015671]  ? trace_hardirqs_off+0xb8/0x310
[  335.020075]  ? trace_hardirqs_off+0xb8/0x310
[  335.024479]  __alloc_pages_slowpath+0x2651/0x2de0
[  335.029331]  ? warn_alloc+0x120/0x120
[  335.033141]  ? warn_alloc+0x120/0x120
[  335.037126]  ? __lock_acquire+0x62f/0x4c20
[  335.041358]  ? warn_alloc+0x120/0x120
[  335.045145]  ? print_usage_bug+0xc0/0xc0
[  335.049197]  ? print_usage_bug+0xc0/0xc0
[  335.053248]  ? mark_held_locks+0x130/0x130
[  335.057487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.063008]  ? should_fail+0x22d/0xd01
[  335.066884]  ? zap_class+0x640/0x640
[  335.070598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.075687]  ? __lock_acquire+0x62f/0x4c20
[  335.079913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.085113]  ? should_fail+0x22d/0xd01
[  335.088998]  ? mark_held_locks+0x130/0x130
[  335.093223]  ? mark_held_locks+0x130/0x130
[  335.097442]  ? lock_downgrade+0x900/0x900
[  335.101578]  ? zap_class+0x640/0x640
[  335.105280]  ? zap_class+0x640/0x640
[  335.108987]  ? zap_class+0x640/0x640
[  335.112699]  ? do_raw_spin_unlock+0xa7/0x330
[  335.117095]  ? trace_hardirqs_on+0x310/0x310
[  335.121488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.127013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.132546]  ? check_preemption_disabled+0x48/0x280
[  335.137561]  ? __lock_is_held+0xb5/0x140
[  335.141611]  __alloc_pages_nodemask+0xad8/0xea0
[  335.146265]  ? zap_class+0x640/0x640
[  335.149968]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  335.154974]  ? find_held_lock+0x36/0x1c0
[  335.159029]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.163687]  ? lock_downgrade+0x900/0x900
[  335.167845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.173374]  cache_grow_begin+0xa5/0x8c0
[  335.177421]  ? do_raw_spin_unlock+0xa7/0x330
[  335.181822]  fallback_alloc+0x204/0x2e0
[  335.185795]  ____cache_alloc_node+0x1c7/0x1e0
[  335.190301]  kmem_cache_alloc_node+0xe3/0x730
[  335.194786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.199360]  __alloc_skb+0x119/0x770
[  335.203059]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  335.208415]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.212818]  ? vprintk_default+0x28/0x30
[  335.216867]  ? vprintk_func+0x85/0x181
[  335.220743]  ? printk+0xa7/0xcf
[  335.224009]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  335.228777]  new_skb+0x26/0x1c0
[  335.232048]  aoecmd_cfg+0x279/0x7f0
[  335.235662]  ? find_held_lock+0x36/0x1c0
[  335.239713]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  335.244026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.249566]  ? __lock_is_held+0xb5/0x140
[  335.253625]  discover_timer+0x50/0x60
[  335.257411]  call_timer_fn+0x272/0x920
[  335.261284]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.266123]  ? process_timeout+0x40/0x40
[  335.270176]  ? mark_held_locks+0xc7/0x130
[  335.274313]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.278798]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.283288]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.288121]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.292692]  ? trace_hardirqs_on+0xbd/0x310
[  335.297000]  ? kasan_check_read+0x11/0x20
[  335.301137]  ? __run_timers+0x7da/0xc70
[  335.305109]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.310209]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.315041]  __run_timers+0x7e5/0xc70
[  335.318868]  ? timer_fixup_init+0x70/0x70
[  335.322999]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.327999]  ? zap_class+0x640/0x640
[  335.331727]  ? print_usage_bug+0xc0/0xc0
[  335.335780]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.340957]  ? find_held_lock+0x36/0x1c0
[  335.345006]  ? zap_class+0x640/0x640
[  335.348716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.354240]  ? check_preemption_disabled+0x48/0x280
[  335.359249]  ? __lock_is_held+0xb5/0x140
[  335.363294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.368819]  ? check_preemption_disabled+0x48/0x280
[  335.373824]  run_timer_softirq+0x52/0xb0
[  335.377870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.382870]  __do_softirq+0x308/0xb7e
[  335.386660]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.391138]  ? lock_downgrade+0x900/0x900
[  335.395278]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.400377]  ? pvclock_read_flags+0x160/0x160
[  335.404859]  ? lapic_next_event+0x5a/0x90
[  335.408999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.414535]  ? kvm_clock_read+0x18/0x30
[  335.418501]  ? kvm_sched_clock_read+0x9/0x20
[  335.422905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.428427]  ? check_preemption_disabled+0x48/0x280
[  335.433530]  irq_exit+0x17f/0x1c0
[  335.436986]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.441816]  ? smp_reschedule_interrupt+0x109/0x650
[  335.446819]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.452685]  ? interrupt_entry+0xb5/0xc0
[  335.456731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.461734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.466738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.471568]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.476582]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.481594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.486428]  apic_timer_interrupt+0xf/0x20
[  335.490645]  </IRQ>
[  335.492869] RIP: 0010:dump_stack+0x358/0x39d
[  335.497261] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 41 4d ef f9 48 83 3d 79 60 7e 01 00 0f 84 63 fe ff ff e8 fe ef ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 eb ef ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  335.516144] RSP: 0000:ffff8881c62ee1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  335.523898] RAX: ffff8881b38ec580 RBX: 1ffffffff12a3f6e RCX: 1ffff1103671d9ce
[  335.531149] RDX: 0000000000000000 RSI: ffffffff87d39b02 RDI: 0000000000000293
[  335.538404] RBP: ffff8881c62ee290 R08: ffff8881b38ece70 R09: 0000000000000006
[  335.545680] R10: 0000000000000000 R11: ffff8881b38ec580 R12: 1ffff11038c5dc45
[  335.552932] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  335.560199]  ? dump_stack+0x34f/0x39d
[  335.563994]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.569172]  ? mark_held_locks+0x130/0x130
[  335.573410]  ? mark_held_locks+0x130/0x130
[  335.577642]  dump_header+0x27b/0xf72
[  335.581373]  ? pagefault_out_of_memory+0x197/0x197
[  335.586300]  ? __lock_acquire+0x62f/0x4c20
[  335.590552]  ? percpu_ref_get_many+0x240/0x240
[  335.595124]  ? print_usage_bug+0xc0/0xc0
[  335.599177]  ? zap_class+0x640/0x640
[  335.602895]  ? print_usage_bug+0xc0/0xc0
[  335.606939]  ? print_usage_bug+0xc0/0xc0
[  335.610986]  ? zap_class+0x640/0x640
[  335.614692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.620220]  ? find_held_lock+0x36/0x1c0
[  335.624276]  ? mark_held_locks+0xc7/0x130
[  335.628522]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.633628]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.638720]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.643309]  ? trace_hardirqs_on+0xbd/0x310
[  335.647621]  ? kasan_check_read+0x11/0x20
[  335.651759]  ? ___ratelimit+0x3b4/0x672
[  335.655724]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.660813]  ? trace_hardirqs_on+0x310/0x310
[  335.665213]  ? lock_downgrade+0x900/0x900
[  335.669369]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.674458]  ? ___ratelimit+0x3b9/0x672
[  335.678420]  ? idr_get_free+0xf70/0xf70
[  335.682489]  ? find_held_lock+0x36/0x1c0
[  335.686554]  oom_kill_process.cold.27+0x10/0x903
[  335.691296]  ? zap_class+0x640/0x640
[  335.694992]  ? check_preemption_disabled+0x48/0x280
[  335.700007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.704928]  ? kasan_check_read+0x11/0x20
[  335.709087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.714362]  ? oom_evaluate_task+0x540/0x540
[  335.718759]  ? find_held_lock+0x36/0x1c0
[  335.722821]  ? out_of_memory+0x974/0x1430
[  335.726952]  ? lock_downgrade+0x900/0x900
[  335.731084]  ? check_preemption_disabled+0x48/0x280
[  335.736090]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.741011]  ? kasan_check_read+0x11/0x20
[  335.745146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.750410]  ? rcu_softirq_qs+0x20/0x20
[  335.754372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.759896]  ? oom_evaluate_task+0x302/0x540
[  335.764295]  out_of_memory+0xa84/0x1430
[  335.768257]  ? oom_killer_disable+0x3a0/0x3a0
[  335.772736]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  335.777656]  ? __ww_mutex_check_waiters+0x160/0x160
[  335.782666]  __alloc_pages_slowpath+0x232c/0x2de0
[  335.787516]  ? warn_alloc+0x120/0x120
[  335.791303]  ? mark_held_locks+0x130/0x130
[  335.795527]  ? find_get_entry+0xaae/0x1120
[  335.799757]  ? filemap_map_pages+0x1a20/0x1a20
[  335.804329]  ? zap_class+0x640/0x640
[  335.808031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.813554]  ? check_preemption_disabled+0x48/0x280
[  335.818558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.824080]  ? should_fail+0x22d/0xd01
[  335.827956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.833060]  ? zap_class+0x640/0x640
[  335.836777]  ? __lock_is_held+0xb5/0x140
[  335.840836]  ? mark_held_locks+0x130/0x130
[  335.845060]  ? lock_release+0xa00/0xa00
[  335.849024]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.854459]  ? xa_load+0x2ba/0x460
[  335.857995]  ? lock_downgrade+0x900/0x900
[  335.862220]  ? __might_sleep+0x95/0x190
[  335.866190]  __alloc_pages_nodemask+0xad8/0xea0
[  335.870869]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  335.875874]  ? __page_cache_alloc+0x191/0x5c0
[  335.880357]  ? xa_load+0x2e1/0x460
[  335.883885]  ? xa_clear_mark+0x40/0x40
[  335.887762]  ? zap_class+0x640/0x640
[  335.891480]  ? zap_class+0x640/0x640
[  335.895178]  ? zap_class+0x640/0x640
[  335.898877]  ? __do_page_cache_readahead+0x663/0x810
[  335.903975]  ? find_held_lock+0x36/0x1c0
[  335.908039]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  335.913567]  alloc_pages_current+0x173/0x350
[  335.917986]  __page_cache_alloc+0x38c/0x5c0
[  335.922303]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.927217]  ? kasan_check_read+0x11/0x20
[  335.931351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.936625]  ? generic_perform_write+0x6a0/0x6a0
[  335.941370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.946898]  ? check_preemption_disabled+0x48/0x280
[  335.951909]  filemap_fault+0x1595/0x25f0
[  335.955973]  ? __lock_page_or_retry+0xa00/0xa00
[  335.960652]  ? mark_held_locks+0x130/0x130
[  335.964879]  ? filemap_map_pages+0xd6b/0x1a20
[  335.969366]  ? lock_downgrade+0x900/0x900
[  335.973507]  ? check_preemption_disabled+0x48/0x280
[  335.978512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.983425]  ? kasan_check_read+0x11/0x20
[  335.987563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.992830]  ? rcu_softirq_qs+0x20/0x20
[  335.996803]  ? filemap_map_pages+0xd92/0x1a20
[  336.001296]  ? find_get_entries_tag+0x1400/0x1400
[  336.006132]  ? __kernel_text_address+0xd/0x40
[  336.010615]  ? unwind_get_return_address+0x61/0xa0
[  336.015552]  ? lock_acquire+0x1ed/0x520
[  336.019513]  ? ext4_filemap_fault+0x7a/0xad
[  336.023826]  ? lock_release+0xa00/0xa00
[  336.027786]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.033224]  ? print_usage_bug+0xc0/0xc0
[  336.037271]  ? print_usage_bug+0xc0/0xc0
[  336.041318]  ? __x64_sys_read+0x73/0xb0
[  336.045278]  ? print_usage_bug+0xc0/0xc0
[  336.049332]  ? down_read+0x8d/0x120
[  336.052940]  ? ext4_filemap_fault+0x7a/0xad
[  336.057251]  ? __down_interruptible+0x700/0x700
[  336.061913]  ext4_filemap_fault+0x82/0xad
[  336.066046]  __do_fault+0x100/0x6b0
[  336.069763]  ? trace_hardirqs_on+0xbd/0x310
[  336.074071]  ? pmd_devmap_trans_unstable+0x220/0x220
[  336.079161]  ? mark_held_locks+0x130/0x130
[  336.083381]  ? mark_held_locks+0x130/0x130
[  336.087603]  ? do_syslog+0x147b/0x1690
[  336.091499]  ? do_syslog+0x309/0x1690
[  336.095285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.100812]  __handle_mm_fault+0x3ea0/0x5be0
[  336.105213]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  336.110136]  ? find_held_lock+0x36/0x1c0
[  336.114203]  ? zap_class+0x640/0x640
[  336.117904]  ? zap_class+0x640/0x640
[  336.121613]  ? find_held_lock+0x36/0x1c0
[  336.125669]  ? handle_mm_fault+0x42a/0xc70
[  336.129896]  ? lock_downgrade+0x900/0x900
[  336.134030]  ? check_preemption_disabled+0x48/0x280
[  336.139036]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.143953]  ? kasan_check_read+0x11/0x20
[  336.148090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.153350]  ? rcu_softirq_qs+0x20/0x20
[  336.157308]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.162400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.167922]  ? check_preemption_disabled+0x48/0x280
[  336.172930]  handle_mm_fault+0x54f/0xc70
[  336.176982]  ? __handle_mm_fault+0x5be0/0x5be0
[  336.181554]  ? find_vma+0x34/0x190
[  336.185092]  __do_page_fault+0x5e8/0xe60
[  336.189143]  ? trace_hardirqs_off+0xb8/0x310
[  336.193534]  ? kernel_write+0x120/0x120
[  336.197503]  do_page_fault+0xf2/0x7e0
[  336.201291]  ? vmalloc_sync_all+0x30/0x30
[  336.205428]  ? error_entry+0x70/0xd0
[  336.209133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.214132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.219045]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.224059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.228893]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.233894]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.239331]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.244339]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.249343]  ? page_fault+0x8/0x30
[  336.252891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.257722]  ? page_fault+0x8/0x30
[  336.261253]  page_fault+0x1e/0x30
[  336.264693] RIP: 0033:0x7f71188e71fd
[  336.268400] Code: Bad RIP value.
[  336.271745] RSP: 002b:00007f7115e86e30 EFLAGS: 00010293
[  336.277089] RAX: 0000000000000086 RBX: 0000000000f37ce0 RCX: 00007f71188e71fd
[  336.284353] RDX: 0000000000000fff RSI: 00007f71176bb5a0 RDI: 0000000000000004
[  336.291624] RBP: 0000000000000000 R08: 0000000000f23260 R09: 0000000000000000
[  336.298883] R10: 6570616572203a72 R11: 0000000000000293 R12: 000000000065e420
[  336.306151] R13: 00007f7115e879c0 R14: 00007f7118f2c040 R15: 0000000000000003
[  336.313423] CPU: 0 PID: 8657 Comm: syz-executor4 Not tainted 4.20.0-rc4+ #100
[  336.313427] warn_alloc_show_mem: 1 callbacks suppressed
[  336.313432] Mem-Info:
[  336.320695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.326051] active_anon:46284 inactive_anon:276 isolated_anon:0
[  336.326051]  active_file:13 inactive_file:11 isolated_file:0
[  336.326051]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.326051]  slab_reclaimable:9037 slab_unreclaimable:1462173
[  336.326051]  mapped:32787 shmem:334 pagetables:562 bounce:0
[  336.326051]  free:13741 free_pcp:339 free_cma:0
[  336.328416] Call Trace:
[  336.337787] Node 0 active_anon:185136kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:1336kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.370621]  <IRQ>
[  336.373296] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  336.401036]  dump_stack+0x244/0x39d
[  336.403148] lowmem_reserve[]: 0 2818 6321 6321
[  336.429256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.432849] Node 0 DMA32 free:25240kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  336.437418]  warn_alloc.cold.116+0xb7/0x1bd
[  336.442567] lowmem_reserve[]: 0 0 3503 3503
[  336.470238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.474525] Node 0 Normal free:13816kB min:37364kB low:46704kB high:56044kB active_anon:181040kB inactive_anon:1104kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6720kB pagetables:2248kB bounce:0kB free_pcp:1136kB local_pcp:700kB free_cma:0kB
[  336.478840]  ? lock_downgrade+0x900/0x900
[  336.483647] lowmem_reserve[]: 0 0 0 0
[  336.512707]  ? trace_hardirqs_off+0xb8/0x310
[  336.516827] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  336.520609]  ? trace_hardirqs_off+0xb8/0x310
[  336.525141] Node 0 DMA32: 4*4kB (MH) 1*8kB (U) 2*16kB (M) 3*32kB (M) 4*64kB (MH) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25240kB
[  336.538656]  __alloc_pages_slowpath+0x2651/0x2de0
[  336.543029] Node 0 Normal: 1152*4kB (UMEH) 439*8kB (UME) 136*16kB (UME) 46*32kB (UME) 11*64kB (UM) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13880kB
[  336.558204]  ? warn_alloc+0x120/0x120
[  336.562999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.577887]  ? print_usage_bug+0xc0/0xc0
[  336.581659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.590466]  ? warn_alloc+0x120/0x120
[  336.594492] 358 total pagecache pages
[  336.603042]  ? warn_alloc+0x120/0x120
[  336.606811] 0 pages in swap cache
[  336.610583]  ? print_usage_bug+0xc0/0xc0
[  336.614351] Swap cache stats: add 0, delete 0, find 0/0
[  336.617784]  ? kvm_clock_read+0x18/0x30
[  336.621810] Free swap  = 0kB
[  336.627154]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  336.631091] Total swap = 0kB
[  336.634095]  ? print_usage_bug+0xc0/0xc0
[  336.639077] 1965979 pages RAM
[  336.642078]  ? __lock_acquire+0x62f/0x4c20
[  336.646098] 0 pages HighMem/MovableOnly
[  336.646104] 342854 pages reserved
[  336.649188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.653383] 0 pages cma reserved
[  336.653441] aoe: skb alloc failure
[  336.657342]  ? should_fail+0x22d/0xd01
[  336.660808] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.666283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.669619] rsyslogd cpuset=/ mems_allowed=0
[  336.673138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.701835]  ? __lock_acquire+0x62f/0x4c20
[  336.706064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.711156]  ? __lock_acquire+0x62f/0x4c20
[  336.715378]  ? should_fail+0x22d/0xd01
[  336.719274]  ? rcu_irq_exit+0x1a2/0x390
[  336.723239]  ? mark_held_locks+0x130/0x130
[  336.727462]  ? mark_held_locks+0x130/0x130
[  336.731684]  ? mark_held_locks+0xc7/0x130
[  336.735815]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  336.740813]  ? zap_class+0x640/0x640
[  336.744513]  ? print_usage_bug+0xc0/0xc0
[  336.748562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.754098]  ? check_preemption_disabled+0x48/0x280
[  336.759107]  ? __lock_is_held+0xb5/0x140
[  336.763159]  __alloc_pages_nodemask+0xad8/0xea0
[  336.767818]  ? zap_class+0x640/0x640
[  336.771526]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  336.776542]  ? find_held_lock+0x36/0x1c0
[  336.780592]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.785248]  ? lock_downgrade+0x900/0x900
[  336.789391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.794929]  cache_grow_begin+0xa5/0x8c0
[  336.798974]  ? do_raw_spin_unlock+0xa7/0x330
[  336.803376]  fallback_alloc+0x204/0x2e0
[  336.807348]  ____cache_alloc_node+0x1c7/0x1e0
[  336.811832]  kmem_cache_alloc_node+0xe3/0x730
[  336.816312]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.820538]  __alloc_skb+0x119/0x770
[  336.824238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.829502]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.833913]  ? lock_downgrade+0x900/0x900
[  336.838052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.843579]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.849037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.854478]  ? addrconf_rs_timer+0x690/0x690
[  336.858880]  ndisc_alloc_skb+0x144/0x340
[  336.862928]  ndisc_send_rs+0x331/0x6e0
[  336.866806]  addrconf_rs_timer+0x314/0x690
[  336.871027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.875271]  call_timer_fn+0x272/0x920
[  336.879144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.883367]  ? process_timeout+0x40/0x40
[  336.887429]  ? __run_timers+0x7da/0xc70