18/0x20
[ 1154.026254]  ? should_fail+0x14d/0x85c
[ 1154.030136]  ? __isolate_free_page+0x4c0/0x4c0
[ 1154.034717]  __alloc_pages_nodemask+0x617/0x750
[ 1154.039386]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1154.044400]  ? mark_held_locks+0x100/0x100
[ 1154.048628]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1154.053730]  page_frag_alloc+0x541/0x670
[ 1154.057785]  ? check_preemption_disabled+0x48/0x290
[ 1154.062800]  __netdev_alloc_skb+0x20a/0x470
[ 1154.067119]  send_hsr_supervision_frame+0x110/0xfc0
[ 1154.072130]  ? lock_acquire+0x16f/0x3f0
[ 1154.076099]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1154.081109]  hsr_announce+0x12f/0x3b0
[ 1154.084901]  call_timer_fn+0x18d/0x720
[ 1154.088783]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1154.093969]  ? process_timeout+0x40/0x40
[ 1154.098036]  ? run_timer_softirq+0x644/0x16a0
[ 1154.102546]  ? trace_hardirqs_on+0x67/0x220
[ 1154.106864]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1154.112064]  run_timer_softirq+0x64f/0x16a0
[ 1154.116395]  ? add_timer+0xbe0/0xbe0
[ 1154.120117]  ? __lock_is_held+0xb6/0x140
[ 1154.124194]  __do_softirq+0x25c/0x921
[ 1154.128001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1154.133533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1154.139088]  irq_exit+0x180/0x1d0
[ 1154.142543]  smp_apic_timer_interrupt+0x13b/0x550
[ 1154.147385]  apic_timer_interrupt+0xf/0x20
[ 1154.151619]  </IRQ>
[ 1154.153850] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1154.158774] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1154.178537] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1154.186323] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1154.193584] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1154.200853] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1154.208122] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1154.215385] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1154.222684]  ? find_held_lock+0x35/0x130
[ 1154.226744]  ? process_one_work+0x890/0x1750
[ 1154.231146]  skb_clone+0x156/0x3e0
[ 1154.234701]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1154.241025]  process_one_work+0x989/0x1750
[ 1154.245271]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1154.249938]  ? lock_acquire+0x16f/0x3f0
[ 1154.253906]  ? kasan_check_write+0x14/0x20
[ 1154.258132]  ? do_raw_spin_lock+0xd7/0x250
[ 1154.262363]  worker_thread+0x98/0xe40
[ 1154.266166]  ? trace_hardirqs_on+0x67/0x220
[ 1154.270486]  kthread+0x354/0x420
[ 1154.273843]  ? process_one_work+0x1750/0x1750
[ 1154.278339]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1154.283871]  ret_from_fork+0x24/0x30
[ 1154.287586] warn_alloc_show_mem: 1 callbacks suppressed
[ 1154.287596] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1154.287598] Mem-Info:
[ 1154.287626] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1154.287626]  active_file:13 inactive_file:13 isolated_file:0
[ 1154.287626]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1154.287626]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1154.287626]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1154.287626]  free:10948 free_pcp:188 free_cma:0
[ 1154.292969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1154.300416] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1154.302822] Call Trace:
[ 1154.335805] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1154.345155]  <IRQ>
[ 1154.372735] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1154.375330]  dump_stack+0x197/0x210
[ 1154.401140] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1154.403302]  warn_alloc.cold+0x7b/0x173
[ 1154.429387] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1154.433020]  ? zone_watermark_ok_safe+0x260/0x260
[ 1154.438008] lowmem_reserve[]: 0 0 1 1 1
[ 1154.441987]  ? __cpuset_node_allowed+0x136/0x540
[ 1154.471023] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1154.476583]  ? __isolate_free_page+0x4c0/0x4c0
[ 1154.480532] lowmem_reserve[]: 0 0 0 0 0
[ 1154.485295]  ? wake_all_kswapds+0x14d/0x300
[ 1154.511042] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1154.515640]  __alloc_pages_slowpath+0x2214/0x2870
[ 1154.519569] lowmem_reserve[]: 0 0 0 0 0
[ 1154.523901]  ? warn_alloc+0x110/0x110
[ 1154.551618] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1154.556470]  ? __lock_acquire+0x6ee/0x49c0
[ 1154.560420] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1154.564243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1154.576705] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1154.580976]  ? should_fail+0x14d/0x85c
[ 1154.596317] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1154.601870]  ? __isolate_free_page+0x4c0/0x4c0
[ 1154.612508] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1154.616401]  __alloc_pages_nodemask+0x617/0x750
[ 1154.632147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1154.632160] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1154.636739]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1154.645544] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1154.645553] 279 total pagecache pages
[ 1154.650220]  ? find_held_lock+0x35/0x130
[ 1154.658780] 0 pages in swap cache
[ 1154.667630]  cache_grow_begin+0x91/0x8c0
[ 1154.672622] Swap cache stats: add 0, delete 0, find 0/0
[ 1154.681187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1154.684960] Free swap  = 0kB
[ 1154.689014]  ? __cpuset_node_allowed+0x136/0x540
[ 1154.692605] Total swap = 0kB
[ 1154.692615] 1965979 pages RAM
[ 1154.696670]  fallback_alloc+0x1fd/0x2d0
[ 1154.702119] 0 pages HighMem/MovableOnly
[ 1154.707671]  ____cache_alloc_node+0x1be/0x1e0
[ 1154.710668] 341741 pages reserved
[ 1154.715413]  kmem_cache_alloc+0x1f3/0x700
[ 1154.718405] 0 pages cma reserved
[ 1154.721640]  ? mark_held_locks+0xb1/0x100
[ 1154.725846] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1154.729556]  ? __netdev_alloc_skb+0x370/0x470
[ 1154.734040] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1154.737486]  __build_skb+0x3e/0x310
[ 1154.771543]  __netdev_alloc_skb+0x2ba/0x470
[ 1154.775875]  send_hsr_supervision_frame+0x110/0xfc0
[ 1154.780902]  ? lock_acquire+0x16f/0x3f0
[ 1154.784882]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1154.789898]  hsr_announce+0x12f/0x3b0
[ 1154.793704]  call_timer_fn+0x18d/0x720
[ 1154.797761]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1154.802959]  ? process_timeout+0x40/0x40
[ 1154.807116]  ? run_timer_softirq+0x644/0x16a0
[ 1154.811633]  ? trace_hardirqs_on+0x67/0x220
[ 1154.815955]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1154.821265]  run_timer_softirq+0x64f/0x16a0
[ 1154.825592]  ? add_timer+0xbe0/0xbe0
[ 1154.829303]  ? __lock_is_held+0xb6/0x140
[ 1154.833369]  __do_softirq+0x25c/0x921
[ 1154.837165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1154.842695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1154.848244]  irq_exit+0x180/0x1d0
[ 1154.851704]  smp_apic_timer_interrupt+0x13b/0x550
[ 1154.856564]  apic_timer_interrupt+0xf/0x20
[ 1154.860831]  </IRQ>
[ 1154.863070] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1154.867926] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1154.886853] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1154.894586] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1154.901865] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1154.909134] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1154.916414] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1154.923690] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1154.930992]  ? netconsole_netdev_event+0x280/0x280
[ 1154.935922]  ? console_unlock+0xf36/0x10d0
[ 1154.940165]  vprintk_emit+0x280/0x6d0
[ 1154.943985]  vprintk_default+0x28/0x30
[ 1154.947884]  vprintk_func+0x7e/0x189
[ 1154.951616]  printk+0xba/0xed
[ 1154.954726]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1154.959506]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1154.964031]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1154.969074]  dump_header+0x44b/0xa55
[ 1154.972807]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1154.977929]  ? ___ratelimit+0x60/0x595
[ 1154.981828]  ? do_raw_spin_unlock+0x181/0x270
[ 1154.986325]  oom_kill_process.cold+0x10/0x6ef
[ 1154.990976]  ? lock_downgrade+0x880/0x880
[ 1154.995134]  ? kasan_check_read+0x11/0x20
[ 1154.999299]  out_of_memory+0x362/0x1330
[ 1155.003289]  ? oom_killer_disable+0x280/0x280
[ 1155.007791]  ? mutex_trylock+0x18e/0x1e0
[ 1155.011861]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1155.016805]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1155.021670]  ? warn_alloc+0x110/0x110
[ 1155.025595]  ? __lock_is_held+0xb6/0x140
[ 1155.029675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1155.035216]  ? should_fail+0x14d/0x85c
[ 1155.039129]  ? __might_sleep+0x95/0x190
[ 1155.043109]  __alloc_pages_nodemask+0x617/0x750
[ 1155.047779]  ? kasan_check_read+0x11/0x20
[ 1155.051946]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1155.056962]  ? find_get_entry+0x3e1/0xa00
[ 1155.061113]  ? find_get_pages_contig+0xed0/0xed0
[ 1155.065885]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1155.071444]  alloc_pages_current+0x107/0x210
[ 1155.075872]  __page_cache_alloc+0x2bd/0x450
[ 1155.080203]  ? kasan_check_read+0x11/0x20
[ 1155.084365]  filemap_fault+0xfeb/0x1f00
[ 1155.088350]  ? lock_downgrade+0x880/0x880
[ 1155.092506]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1155.097199]  ? lock_acquire+0x16f/0x3f0
[ 1155.101176]  ? ext4_filemap_fault+0x7b/0xaf
[ 1155.105507]  ext4_filemap_fault+0x83/0xaf
[ 1155.109664]  __do_fault+0x111/0x480
[ 1155.113312]  __handle_mm_fault+0x2d78/0x3f80
[ 1155.117737]  ? copy_page_range+0x2030/0x2030
[ 1155.122217]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1155.126899]  handle_mm_fault+0x1b5/0x690
[ 1155.130961]  __do_page_fault+0x62a/0xe90
[ 1155.135024]  ? vmalloc_fault+0x740/0x740
[ 1155.139213]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1155.144318]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1155.149257]  ? page_fault+0x8/0x30
[ 1155.152822]  do_page_fault+0x71/0x57d
[ 1155.156642]  ? page_fault+0x8/0x30
[ 1155.160180]  page_fault+0x1e/0x30
[ 1155.163638] RIP: 0033:0x45b153
[ 1155.166847] Code: Bad RIP value.
[ 1155.170204] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1155.175563] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1155.182853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1155.190120] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1155.197393] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1155.204673] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1155.211976] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1155.212162] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1155.219703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1155.229928] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1155.239317] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1155.251161] Call Trace:
[ 1155.253752]  <IRQ>
[ 1155.255909]  dump_stack+0x197/0x210
[ 1155.259536]  warn_alloc.cold+0x7b/0x173
[ 1155.263524]  ? zone_watermark_ok_safe+0x260/0x260
[ 1155.268367]  ? __cpuset_node_allowed+0x136/0x540
[ 1155.273143]  ? __isolate_free_page+0x4c0/0x4c0
[ 1155.277734]  ? wake_all_kswapds+0x14d/0x300
[ 1155.282066]  __alloc_pages_slowpath+0x2214/0x2870
[ 1155.286924]  ? warn_alloc+0x110/0x110
[ 1155.290743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1155.296304]  ? should_fail+0x14d/0x85c
[ 1155.300192]  ? __isolate_free_page+0x4c0/0x4c0
[ 1155.304910]  __alloc_pages_nodemask+0x617/0x750
[ 1155.309580]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1155.314602]  ? mark_held_locks+0x100/0x100
[ 1155.318834]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1155.323952]  page_frag_alloc+0x541/0x670
[ 1155.328030]  ? check_preemption_disabled+0x48/0x290
[ 1155.333062]  __netdev_alloc_skb+0x20a/0x470
[ 1155.337405]  send_hsr_supervision_frame+0x110/0xfc0
[ 1155.342436]  ? lock_acquire+0x16f/0x3f0
[ 1155.346431]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1155.351466]  hsr_announce+0x12f/0x3b0
[ 1155.355267]  call_timer_fn+0x18d/0x720
[ 1155.359173]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1155.364360]  ? process_timeout+0x40/0x40
[ 1155.368414]  ? run_timer_softirq+0x644/0x16a0
[ 1155.372922]  ? trace_hardirqs_on+0x67/0x220
[ 1155.377268]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1155.382457]  run_timer_softirq+0x64f/0x16a0
[ 1155.386797]  ? add_timer+0xbe0/0xbe0
[ 1155.390506]  ? __lock_is_held+0xb6/0x140
[ 1155.394571]  __do_softirq+0x25c/0x921
[ 1155.398381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1155.403949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1155.409510]  irq_exit+0x180/0x1d0
[ 1155.412964]  smp_apic_timer_interrupt+0x13b/0x550
[ 1155.417816]  apic_timer_interrupt+0xf/0x20
[ 1155.422036]  </IRQ>
[ 1155.424270] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1155.429221] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1155.448142] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1155.455856] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1155.463121] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1155.471426] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1155.480715] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1155.487994] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1155.495299]  ? find_held_lock+0x35/0x130
[ 1155.499393]  ? process_one_work+0x890/0x1750
[ 1155.503808]  skb_clone+0x156/0x3e0
[ 1155.507464]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1155.513796]  process_one_work+0x989/0x1750
[ 1155.518038]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1155.524613]  ? lock_acquire+0x16f/0x3f0
[ 1155.529426]  ? kasan_check_write+0x14/0x20
[ 1155.533684]  ? do_raw_spin_lock+0xd7/0x250
[ 1155.537925]  worker_thread+0x98/0xe40
[ 1155.541737]  ? trace_hardirqs_on+0x67/0x220
[ 1155.546088]  kthread+0x354/0x420
[ 1155.549470]  ? process_one_work+0x1750/0x1750
[ 1155.553996]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1155.559542]  ret_from_fork+0x24/0x30
[ 1155.563348] warn_alloc_show_mem: 1 callbacks suppressed
[ 1155.563359] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1155.563361] Mem-Info:
[ 1155.563391] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1155.563391]  active_file:13 inactive_file:13 isolated_file:0
[ 1155.563391]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1155.563391]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1155.563391]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1155.563391]  free:10948 free_pcp:188 free_cma:0
[ 1155.568734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1155.568743] Call Trace:
[ 1155.576216] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1155.578609]  <IRQ>
[ 1155.613516] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1155.622996]  dump_stack+0x197/0x210
[ 1155.625554] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1155.653161]  warn_alloc.cold+0x7b/0x173
[ 1155.655306] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1155.681187]  ? zone_watermark_ok_safe+0x260/0x260
[ 1155.684783] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1155.710997]  ? __cpuset_node_allowed+0x136/0x540
[ 1155.714954] lowmem_reserve[]: 0 0 1 1 1
[ 1155.719994]  ? __isolate_free_page+0x4c0/0x4c0
[ 1155.724840] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1155.753671]  ? wake_all_kswapds+0x14d/0x300
[ 1155.758411] lowmem_reserve[]: 0 0 0 0 0
[ 1155.762393]  __alloc_pages_slowpath+0x2214/0x2870
[ 1155.766978] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1155.792791]  ? warn_alloc+0x110/0x110
[ 1155.797201] lowmem_reserve[]: 0 0 0 0 0
[ 1155.801214]  ? __lock_acquire+0x6ee/0x49c0
[ 1155.806040] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1155.833916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1155.837692] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1155.841689]  ? should_fail+0x14d/0x85c
[ 1155.846026] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1155.858523]  ? __isolate_free_page+0x4c0/0x4c0
[ 1155.864033] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1155.879518]  __alloc_pages_nodemask+0x617/0x750
[ 1155.883395] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1155.894163]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1155.898738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1155.914540]  ? find_held_lock+0x35/0x130
[ 1155.919195] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1155.928042]  cache_grow_begin+0x91/0x8c0
[ 1155.933041] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1155.941624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1155.945657] 279 total pagecache pages
[ 1155.945672] 0 pages in swap cache
[ 1155.954538]  ? __cpuset_node_allowed+0x136/0x540
[ 1155.958576] Swap cache stats: add 0, delete 0, find 0/0
[ 1155.967167]  fallback_alloc+0x1fd/0x2d0
[ 1155.972682] Free swap  = 0kB
[ 1155.976485]  ____cache_alloc_node+0x1be/0x1e0
[ 1155.979941] Total swap = 0kB
[ 1155.979952] 1965979 pages RAM
[ 1155.984716]  kmem_cache_alloc+0x1f3/0x700
[ 1155.990044] 0 pages HighMem/MovableOnly
[ 1155.994019]  ? mark_held_locks+0xb1/0x100
[ 1155.997030] 341741 pages reserved
[ 1155.997040] 0 pages cma reserved
[ 1156.001551]  ? __netdev_alloc_skb+0x370/0x470
[ 1156.004763] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1156.007642]  __build_skb+0x3e/0x310
[ 1156.011768] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1156.015750]  __netdev_alloc_skb+0x2ba/0x470
[ 1156.053538]  send_hsr_supervision_frame+0x110/0xfc0
[ 1156.058618]  ? lock_acquire+0x16f/0x3f0
[ 1156.062616]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1156.067636]  hsr_announce+0x12f/0x3b0
[ 1156.071433]  call_timer_fn+0x18d/0x720
[ 1156.075455]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1156.080671]  ? process_timeout+0x40/0x40
[ 1156.084744]  ? run_timer_softirq+0x644/0x16a0
[ 1156.089257]  ? trace_hardirqs_on+0x67/0x220
[ 1156.093597]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1156.098806]  run_timer_softirq+0x64f/0x16a0
[ 1156.103155]  ? add_timer+0xbe0/0xbe0
[ 1156.106866]  ? __lock_is_held+0xb6/0x140
[ 1156.110932]  __do_softirq+0x25c/0x921
[ 1156.114727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1156.120376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1156.126452]  irq_exit+0x180/0x1d0
[ 1156.129917]  smp_apic_timer_interrupt+0x13b/0x550
[ 1156.134763]  apic_timer_interrupt+0xf/0x20
[ 1156.139021]  </IRQ>
[ 1156.141269] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1156.146108] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1156.165019] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1156.172757] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1156.180246] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1156.187511] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1156.194793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1156.202071] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1156.209373]  ? netconsole_netdev_event+0x280/0x280
[ 1156.214318]  ? console_unlock+0xf36/0x10d0
[ 1156.218577]  vprintk_emit+0x280/0x6d0
[ 1156.222394]  vprintk_default+0x28/0x30
[ 1156.226279]  vprintk_func+0x7e/0x189
[ 1156.229990]  printk+0xba/0xed
[ 1156.233113]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1156.237886]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1156.242400]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1156.247419]  dump_header+0x44b/0xa55
[ 1156.251145]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1156.256264]  ? ___ratelimit+0x60/0x595
[ 1156.260159]  ? do_raw_spin_unlock+0x181/0x270
[ 1156.264665]  oom_kill_process.cold+0x10/0x6ef
[ 1156.269183]  ? lock_downgrade+0x880/0x880
[ 1156.273346]  ? kasan_check_read+0x11/0x20
[ 1156.277530]  out_of_memory+0x362/0x1330
[ 1156.282386]  ? oom_killer_disable+0x280/0x280
[ 1156.286889]  ? mutex_trylock+0x18e/0x1e0
[ 1156.290949]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1156.295902]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1156.300764]  ? warn_alloc+0x110/0x110
[ 1156.304560]  ? __lock_is_held+0xb6/0x140
[ 1156.308634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1156.314199]  ? should_fail+0x14d/0x85c
[ 1156.318113]  ? __might_sleep+0x95/0x190
[ 1156.322085]  __alloc_pages_nodemask+0x617/0x750
[ 1156.326770]  ? kasan_check_read+0x11/0x20
[ 1156.330915]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1156.336054]  ? find_get_entry+0x3e1/0xa00
[ 1156.340210]  ? find_get_pages_contig+0xed0/0xed0
[ 1156.344979]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1156.350526]  alloc_pages_current+0x107/0x210
[ 1156.354954]  __page_cache_alloc+0x2bd/0x450
[ 1156.359300]  ? kasan_check_read+0x11/0x20
[ 1156.363453]  filemap_fault+0xfeb/0x1f00
[ 1156.367444]  ? lock_downgrade+0x880/0x880
[ 1156.371606]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1156.376274]  ? lock_acquire+0x16f/0x3f0
[ 1156.380370]  ? ext4_filemap_fault+0x7b/0xaf
[ 1156.384710]  ext4_filemap_fault+0x83/0xaf
[ 1156.388878]  __do_fault+0x111/0x480
[ 1156.392519]  __handle_mm_fault+0x2d78/0x3f80
[ 1156.396939]  ? copy_page_range+0x2030/0x2030
[ 1156.401375]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1156.406060]  handle_mm_fault+0x1b5/0x690
[ 1156.410143]  __do_page_fault+0x62a/0xe90
[ 1156.414227]  ? vmalloc_fault+0x740/0x740
[ 1156.418298]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1156.423318]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1156.428262]  ? page_fault+0x8/0x30
[ 1156.431810]  do_page_fault+0x71/0x57d
[ 1156.435627]  ? page_fault+0x8/0x30
[ 1156.439190]  page_fault+0x1e/0x30
[ 1156.442638] RIP: 0033:0x45b153
[ 1156.445949] Code: Bad RIP value.
[ 1156.449313] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1156.454684] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1156.461961] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1156.469347] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1156.476623] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1156.483893] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1156.491194] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1156.491377] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1156.498916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1156.498941] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1156.509265] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1156.518628] Call Trace:
[ 1156.533042]  <IRQ>
[ 1156.535199]  dump_stack+0x197/0x210
[ 1156.538845]  warn_alloc.cold+0x7b/0x173
[ 1156.542821]  ? zone_watermark_ok_safe+0x260/0x260
[ 1156.547772]  ? __cpuset_node_allowed+0x136/0x540
[ 1156.552553]  ? __isolate_free_page+0x4c0/0x4c0
[ 1156.557405]  ? wake_all_kswapds+0x14d/0x300
[ 1156.561729]  __alloc_pages_slowpath+0x2214/0x2870
[ 1156.566600]  ? warn_alloc+0x110/0x110
[ 1156.570407]  ? find_held_lock+0x35/0x130
[ 1156.574475]  ? debug_object_activate+0x206/0x4e0
[ 1156.579234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1156.584789]  ? should_fail+0x14d/0x85c
[ 1156.588680]  ? __isolate_free_page+0x4c0/0x4c0
[ 1156.593289]  __alloc_pages_nodemask+0x617/0x750
[ 1156.597980]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1156.603011]  ? mark_held_locks+0x100/0x100
[ 1156.607247]  ? trace_hardirqs_on+0x67/0x220
[ 1156.611576]  page_frag_alloc+0x541/0x670
[ 1156.615680]  ? check_preemption_disabled+0x48/0x290
[ 1156.620716]  __netdev_alloc_skb+0x20a/0x470
[ 1156.625043]  send_hsr_supervision_frame+0x110/0xfc0
[ 1156.630180]  ? lock_acquire+0x16f/0x3f0
[ 1156.634172]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1156.639200]  hsr_announce+0x12f/0x3b0
[ 1156.643028]  call_timer_fn+0x18d/0x720
[ 1156.646932]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1156.652134]  ? process_timeout+0x40/0x40
[ 1156.656207]  ? run_timer_softirq+0x644/0x16a0
[ 1156.660718]  ? trace_hardirqs_on+0x67/0x220
[ 1156.665073]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1156.670384]  run_timer_softirq+0x64f/0x16a0
[ 1156.674709]  ? add_timer+0xbe0/0xbe0
[ 1156.678436]  ? __lock_is_held+0xb6/0x140
[ 1156.682522]  __do_softirq+0x25c/0x921
[ 1156.686430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1156.691961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1156.697517]  irq_exit+0x180/0x1d0
[ 1156.700973]  smp_apic_timer_interrupt+0x13b/0x550
[ 1156.705917]  apic_timer_interrupt+0xf/0x20
[ 1156.710153]  </IRQ>
[ 1156.712416] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1156.717349] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1156.736279] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1156.744112] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1156.751535] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1156.758875] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1156.766166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1156.773444] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1156.780748]  ? find_held_lock+0x35/0x130
[ 1156.784808]  ? process_one_work+0x890/0x1750
[ 1156.789251]  skb_clone+0x156/0x3e0
[ 1156.792806]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1156.799155]  process_one_work+0x989/0x1750
[ 1156.803411]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1156.808076]  ? lock_acquire+0x16f/0x3f0
[ 1156.812186]  ? kasan_check_write+0x14/0x20
[ 1156.816526]  ? do_raw_spin_lock+0xd7/0x250
[ 1156.820784]  worker_thread+0x98/0xe40
[ 1156.824595]  ? trace_hardirqs_on+0x67/0x220
[ 1156.828934]  kthread+0x354/0x420
[ 1156.832297]  ? process_one_work+0x1750/0x1750
[ 1156.836798]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1156.842355]  ret_from_fork+0x24/0x30
[ 1156.846188] warn_alloc_show_mem: 1 callbacks suppressed
[ 1156.846199] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1156.846201] Mem-Info:
[ 1156.846231] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1156.846231]  active_file:13 inactive_file:13 isolated_file:0
[ 1156.846231]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1156.846231]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1156.846231]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1156.846231]  free:10948 free_pcp:188 free_cma:0
[ 1156.851575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1156.859040] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1156.861452] Call Trace:
[ 1156.894817] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1156.904165]  <IRQ>
[ 1156.931753] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1156.934368]  dump_stack+0x197/0x210
[ 1156.960213] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1156.962393]  warn_alloc.cold+0x7b/0x173
[ 1156.988477] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1156.992127]  ? zone_watermark_ok_safe+0x260/0x260
[ 1156.997101] lowmem_reserve[]: 0 0 1 1 1
[ 1157.001072]  ? __cpuset_node_allowed+0x136/0x540
[ 1157.029873] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1157.034743]  ? __isolate_free_page+0x4c0/0x4c0
[ 1157.038704] lowmem_reserve[]: 0 0 0 0 0
[ 1157.043645]  ? wake_all_kswapds+0x14d/0x300
[ 1157.069414] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1157.074022]  __alloc_pages_slowpath+0x2214/0x2870
[ 1157.077964] lowmem_reserve[]: 0 0 0 0 0
[ 1157.082313]  ? warn_alloc+0x110/0x110
[ 1157.110046] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1157.114911]  ? __lock_acquire+0x6ee/0x49c0
[ 1157.118882] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1157.122698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1157.135168] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1157.139417]  ? should_fail+0x14d/0x85c
[ 1157.154663] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1157.160212]  ? __isolate_free_page+0x4c0/0x4c0
[ 1157.170867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1157.174872]  __alloc_pages_nodemask+0x617/0x750
[ 1157.190649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1157.195235]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1157.204041] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1157.208776]  ? find_held_lock+0x35/0x130
[ 1157.217350] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1157.222369]  cache_grow_begin+0x91/0x8c0
[ 1157.231193] 279 total pagecache pages
[ 1157.235272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1157.243835] 0 pages in swap cache
[ 1157.247917]  ? __cpuset_node_allowed+0x136/0x540
[ 1157.251826] Swap cache stats: add 0, delete 0, find 0/0
[ 1157.251837] Free swap  = 0kB
[ 1157.257383]  fallback_alloc+0x1fd/0x2d0
[ 1157.260814] Total swap = 0kB
[ 1157.260825] 1965979 pages RAM
[ 1157.265604]  ____cache_alloc_node+0x1be/0x1e0
[ 1157.270949] 0 pages HighMem/MovableOnly
[ 1157.270959] 341741 pages reserved
[ 1157.273995]  kmem_cache_alloc+0x1f3/0x700
[ 1157.277941] 0 pages cma reserved
[ 1157.278183] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1157.280985]  ? mark_held_locks+0xb1/0x100
[ 1157.284079] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1157.288579]  ? __netdev_alloc_skb+0x370/0x470
[ 1157.326555]  __build_skb+0x3e/0x310
[ 1157.330191]  __netdev_alloc_skb+0x2ba/0x470
[ 1157.334530]  send_hsr_supervision_frame+0x110/0xfc0
[ 1157.339569]  ? lock_acquire+0x16f/0x3f0
[ 1157.344109]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1157.349157]  hsr_announce+0x12f/0x3b0
[ 1157.352977]  call_timer_fn+0x18d/0x720
[ 1157.356876]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1157.362062]  ? process_timeout+0x40/0x40
[ 1157.366132]  ? run_timer_softirq+0x644/0x16a0
[ 1157.370641]  ? trace_hardirqs_on+0x67/0x220
[ 1157.374969]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1157.380178]  run_timer_softirq+0x64f/0x16a0
[ 1157.384520]  ? add_timer+0xbe0/0xbe0
[ 1157.388253]  ? __lock_is_held+0xb6/0x140
[ 1157.392331]  __do_softirq+0x25c/0x921
[ 1157.396148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1157.401682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1157.407354]  irq_exit+0x180/0x1d0
[ 1157.410822]  smp_apic_timer_interrupt+0x13b/0x550
[ 1157.415721]  apic_timer_interrupt+0xf/0x20
[ 1157.419950]  </IRQ>
[ 1157.422199] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1157.427056] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1157.446046] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1157.453790] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1157.461081] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1157.468364] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1157.475646] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1157.482925] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1157.490230]  ? netconsole_netdev_event+0x280/0x280
[ 1157.495176]  ? console_unlock+0xf36/0x10d0
[ 1157.499423]  vprintk_emit+0x280/0x6d0
[ 1157.503237]  vprintk_default+0x28/0x30
[ 1157.507145]  vprintk_func+0x7e/0x189
[ 1157.510859]  printk+0xba/0xed
[ 1157.513979]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1157.518800]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1157.523303]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1157.528333]  dump_header+0x44b/0xa55
[ 1157.532061]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1157.537233]  ? ___ratelimit+0x60/0x595
[ 1157.541169]  ? do_raw_spin_unlock+0x181/0x270
[ 1157.545687]  oom_kill_process.cold+0x10/0x6ef
[ 1157.550199]  ? lock_downgrade+0x880/0x880
[ 1157.554377]  ? kasan_check_read+0x11/0x20
[ 1157.558544]  out_of_memory+0x362/0x1330
[ 1157.562540]  ? oom_killer_disable+0x280/0x280
[ 1157.567048]  ? mutex_trylock+0x18e/0x1e0
[ 1157.571118]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1157.576062]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1157.580930]  ? warn_alloc+0x110/0x110
[ 1157.584736]  ? __lock_is_held+0xb6/0x140
[ 1157.588830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1157.594375]  ? should_fail+0x14d/0x85c
[ 1157.598267]  ? __might_sleep+0x95/0x190
[ 1157.602252]  __alloc_pages_nodemask+0x617/0x750
[ 1157.606936]  ? kasan_check_read+0x11/0x20
[ 1157.611115]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1157.616147]  ? find_get_entry+0x3e1/0xa00
[ 1157.620297]  ? find_get_pages_contig+0xed0/0xed0
[ 1157.625077]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1157.630630]  alloc_pages_current+0x107/0x210
[ 1157.635056]  __page_cache_alloc+0x2bd/0x450
[ 1157.639375]  ? kasan_check_read+0x11/0x20
[ 1157.643637]  filemap_fault+0xfeb/0x1f00
[ 1157.647622]  ? lock_downgrade+0x880/0x880
[ 1157.651772]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1157.656457]  ? lock_acquire+0x16f/0x3f0
[ 1157.660447]  ? ext4_filemap_fault+0x7b/0xaf
[ 1157.664775]  ext4_filemap_fault+0x83/0xaf
[ 1157.669006]  __do_fault+0x111/0x480
[ 1157.672636]  __handle_mm_fault+0x2d78/0x3f80
[ 1157.677045]  ? copy_page_range+0x2030/0x2030
[ 1157.681483]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1157.686160]  handle_mm_fault+0x1b5/0x690
[ 1157.690240]  __do_page_fault+0x62a/0xe90
[ 1157.694303]  ? vmalloc_fault+0x740/0x740
[ 1157.698362]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1157.703413]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1157.708359]  ? page_fault+0x8/0x30
[ 1157.711914]  do_page_fault+0x71/0x57d
[ 1157.715738]  ? page_fault+0x8/0x30
[ 1157.719303]  page_fault+0x1e/0x30
[ 1157.722762] RIP: 0033:0x45b153
[ 1157.725979] Code: Bad RIP value.
[ 1157.729336] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1157.734704] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1157.742002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1157.749279] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1157.756562] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1157.763831] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1157.771140] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1157.771363] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1157.778862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1157.778888] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1157.789104] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1157.798561] Call Trace:
[ 1157.813089]  <IRQ>
[ 1157.815260]  dump_stack+0x197/0x210
[ 1157.818906]  warn_alloc.cold+0x7b/0x173
[ 1157.822879]  ? zone_watermark_ok_safe+0x260/0x260
[ 1157.827720]  ? __cpuset_node_allowed+0x136/0x540
[ 1157.832485]  ? __isolate_free_page+0x4c0/0x4c0
[ 1157.837077]  ? wake_all_kswapds+0x14d/0x300
[ 1157.841423]  __alloc_pages_slowpath+0x2214/0x2870
[ 1157.846280]  ? warn_alloc+0x110/0x110
[ 1157.850097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1157.855636]  ? should_fail+0x14d/0x85c
[ 1157.859530]  ? __isolate_free_page+0x4c0/0x4c0
[ 1157.864138]  __alloc_pages_nodemask+0x617/0x750
[ 1157.868815]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1157.873859]  ? mark_held_locks+0x100/0x100
[ 1157.878087]  ? trace_hardirqs_on+0x67/0x220
[ 1157.882410]  page_frag_alloc+0x541/0x670
[ 1157.886613]  ? check_preemption_disabled+0x48/0x290
[ 1157.891643]  __netdev_alloc_skb+0x20a/0x470
[ 1157.895990]  send_hsr_supervision_frame+0x110/0xfc0
[ 1157.901013]  ? lock_acquire+0x16f/0x3f0
[ 1157.905063]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1157.910107]  hsr_announce+0x12f/0x3b0
[ 1157.913933]  call_timer_fn+0x18d/0x720
[ 1157.917841]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1157.923031]  ? process_timeout+0x40/0x40
[ 1157.927090]  ? run_timer_softirq+0x644/0x16a0
[ 1157.931808]  ? trace_hardirqs_on+0x67/0x220
[ 1157.936150]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1157.941355]  run_timer_softirq+0x64f/0x16a0
[ 1157.945677]  ? add_timer+0xbe0/0xbe0
[ 1157.949403]  ? __lock_is_held+0xb6/0x140
[ 1157.953482]  __do_softirq+0x25c/0x921
[ 1157.957377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1157.962910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1157.969168]  irq_exit+0x180/0x1d0
[ 1157.972687]  smp_apic_timer_interrupt+0x13b/0x550
[ 1157.977534]  apic_timer_interrupt+0xf/0x20
[ 1157.981773]  </IRQ>
[ 1157.984037] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1157.988976] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1158.007883] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1158.015600] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1158.022911] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1158.030176] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1158.037446] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1158.044721] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1158.052026]  ? find_held_lock+0x35/0x130
[ 1158.056086]  ? process_one_work+0x890/0x1750
[ 1158.060493]  skb_clone+0x156/0x3e0
[ 1158.064056]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1158.070382]  process_one_work+0x989/0x1750
[ 1158.074862]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1158.079528]  ? lock_acquire+0x16f/0x3f0
[ 1158.083522]  ? kasan_check_write+0x14/0x20
[ 1158.087762]  ? do_raw_spin_lock+0xd7/0x250
[ 1158.092020]  worker_thread+0x98/0xe40
[ 1158.095817]  ? trace_hardirqs_on+0x67/0x220
[ 1158.100141]  kthread+0x354/0x420
[ 1158.103502]  ? process_one_work+0x1750/0x1750
[ 1158.107989]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1158.113531]  ret_from_fork+0x24/0x30
[ 1158.117278] warn_alloc_show_mem: 1 callbacks suppressed
[ 1158.117288] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1158.117290] Mem-Info:
[ 1158.117320] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1158.117320]  active_file:13 inactive_file:13 isolated_file:0
[ 1158.117320]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1158.117320]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1158.117320]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1158.117320]  free:10948 free_pcp:188 free_cma:0
[ 1158.122677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1158.122688] Call Trace:
[ 1158.130173] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1158.132580]  <IRQ>
[ 1158.165575] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1158.174945]  dump_stack+0x197/0x210
[ 1158.177518] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1158.205124]  warn_alloc.cold+0x7b/0x173
[ 1158.207249] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1158.233129]  ? zone_watermark_ok_safe+0x260/0x260
[ 1158.236738] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1158.262882]  ? __cpuset_node_allowed+0x136/0x540
[ 1158.266834] lowmem_reserve[]: 0 0 1 1 1
[ 1158.271890]  ? __isolate_free_page+0x4c0/0x4c0
[ 1158.276716] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1158.305614]  ? wake_all_kswapds+0x14d/0x300
[ 1158.310361] lowmem_reserve[]: 0 0 0 0 0
[ 1158.314356]  __alloc_pages_slowpath+0x2214/0x2870
[ 1158.318902] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1158.344805]  ? warn_alloc+0x110/0x110
[ 1158.349107] lowmem_reserve[]: 0 0 0 0 0
[ 1158.353152]  ? __lock_acquire+0x6ee/0x49c0
[ 1158.357980] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1158.385760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1158.389537] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1158.393527]  ? should_fail+0x14d/0x85c
[ 1158.397741] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1158.410367]  ? __isolate_free_page+0x4c0/0x4c0
[ 1158.415883] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1158.431167]  __alloc_pages_nodemask+0x617/0x750
[ 1158.435062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1158.445734]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1158.450295] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1158.450310] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1158.466125]  ? find_held_lock+0x35/0x130
[ 1158.470775] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1158.479627]  cache_grow_begin+0x91/0x8c0
[ 1158.484635] 279 total pagecache pages
[ 1158.493217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1158.502040] 0 pages in swap cache
[ 1158.506118]  ? __cpuset_node_allowed+0x136/0x540
[ 1158.514659] Swap cache stats: add 0, delete 0, find 0/0
[ 1158.514668] Free swap  = 0kB
[ 1158.518736]  fallback_alloc+0x1fd/0x2d0
[ 1158.522509] Total swap = 0kB
[ 1158.522519] 1965979 pages RAM
[ 1158.528062]  ____cache_alloc_node+0x1be/0x1e0
[ 1158.532708] 0 pages HighMem/MovableOnly
[ 1158.537505]  kmem_cache_alloc+0x1f3/0x700
[ 1158.542905] 341741 pages reserved
[ 1158.545954]  ? mark_held_locks+0xb1/0x100
[ 1158.549900] 0 pages cma reserved
[ 1158.550196] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1158.552930]  ? trace_hardirqs_on+0x67/0x220
[ 1158.556017] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1158.560530]  ? __netdev_alloc_skb+0x370/0x470
[ 1158.602872]  __build_skb+0x3e/0x310
[ 1158.606501]  __netdev_alloc_skb+0x2ba/0x470
[ 1158.610842]  send_hsr_supervision_frame+0x110/0xfc0
[ 1158.615874]  ? lock_acquire+0x16f/0x3f0
[ 1158.619866]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1158.624882]  hsr_announce+0x12f/0x3b0
[ 1158.628687]  call_timer_fn+0x18d/0x720
[ 1158.632572]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1158.637769]  ? process_timeout+0x40/0x40
[ 1158.641833]  ? run_timer_softirq+0x644/0x16a0
[ 1158.646599]  ? trace_hardirqs_on+0x67/0x220
[ 1158.650949]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1158.656152]  run_timer_softirq+0x64f/0x16a0
[ 1158.660499]  ? add_timer+0xbe0/0xbe0
[ 1158.664228]  ? __lock_is_held+0xb6/0x140
[ 1158.668309]  __do_softirq+0x25c/0x921
[ 1158.672105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1158.677648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1158.683204]  irq_exit+0x180/0x1d0
[ 1158.686673]  smp_apic_timer_interrupt+0x13b/0x550
[ 1158.691527]  apic_timer_interrupt+0xf/0x20
[ 1158.695755]  </IRQ>
[ 1158.698035] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1158.702906] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1158.721820] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1158.729543] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1158.736820] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1158.744088] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1158.751365] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1158.758641] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1158.765933]  ? netconsole_netdev_event+0x280/0x280
[ 1158.770865]  ? console_unlock+0xf36/0x10d0
[ 1158.775142]  vprintk_emit+0x280/0x6d0
[ 1158.778949]  vprintk_default+0x28/0x30
[ 1158.782854]  vprintk_func+0x7e/0x189
[ 1158.786584]  printk+0xba/0xed
[ 1158.789817]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1158.794590]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1158.799089]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1158.804106]  dump_header+0x44b/0xa55
[ 1158.807828]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1158.812928]  ? ___ratelimit+0x60/0x595
[ 1158.816813]  ? do_raw_spin_unlock+0x181/0x270
[ 1158.821309]  oom_kill_process.cold+0x10/0x6ef
[ 1158.825816]  ? lock_downgrade+0x880/0x880
[ 1158.829979]  ? kasan_check_read+0x11/0x20
[ 1158.834130]  out_of_memory+0x362/0x1330
[ 1158.838109]  ? oom_killer_disable+0x280/0x280
[ 1158.842639]  ? mutex_trylock+0x18e/0x1e0
[ 1158.846718]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1158.851674]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1158.856813]  ? warn_alloc+0x110/0x110
[ 1158.860624]  ? __lock_is_held+0xb6/0x140
[ 1158.864701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1158.870253]  ? should_fail+0x14d/0x85c
[ 1158.874163]  ? __might_sleep+0x95/0x190
[ 1158.878151]  __alloc_pages_nodemask+0x617/0x750
[ 1158.882824]  ? kasan_check_read+0x11/0x20
[ 1158.886977]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1158.891998]  ? find_get_entry+0x3e1/0xa00
[ 1158.896169]  ? find_get_pages_contig+0xed0/0xed0
[ 1158.900941]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1158.906500]  alloc_pages_current+0x107/0x210
[ 1158.910913]  __page_cache_alloc+0x2bd/0x450
[ 1158.915234]  ? kasan_check_read+0x11/0x20
[ 1158.919386]  filemap_fault+0xfeb/0x1f00
[ 1158.923383]  ? lock_downgrade+0x880/0x880
[ 1158.927558]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1158.932266]  ? lock_acquire+0x16f/0x3f0
[ 1158.936256]  ? ext4_filemap_fault+0x7b/0xaf
[ 1158.940581]  ext4_filemap_fault+0x83/0xaf
[ 1158.944733]  __do_fault+0x111/0x480
[ 1158.948376]  __handle_mm_fault+0x2d78/0x3f80
[ 1158.952797]  ? copy_page_range+0x2030/0x2030
[ 1158.957224]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1158.961905]  handle_mm_fault+0x1b5/0x690
[ 1158.965980]  __do_page_fault+0x62a/0xe90
[ 1158.970046]  ? vmalloc_fault+0x740/0x740
[ 1158.974105]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1158.979117]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1158.984067]  ? page_fault+0x8/0x30
[ 1158.987626]  do_page_fault+0x71/0x57d
[ 1158.991437]  ? page_fault+0x8/0x30
[ 1158.994980]  page_fault+0x1e/0x30
[ 1158.998426] RIP: 0033:0x45b153
[ 1159.001633] Code: Bad RIP value.
[ 1159.004992] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1159.010347] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1159.017618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1159.024879] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1159.032260] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1159.039522] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1159.046821] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1159.047004] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1159.054644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1159.054671] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1159.064870] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1159.074220] Call Trace:
[ 1159.074231]  <IRQ>
[ 1159.090811]  dump_stack+0x197/0x210
[ 1159.094438]  warn_alloc.cold+0x7b/0x173
[ 1159.098535]  ? zone_watermark_ok_safe+0x260/0x260
[ 1159.103403]  ? __cpuset_node_allowed+0x136/0x540
[ 1159.108168]  ? __isolate_free_page+0x4c0/0x4c0
[ 1159.112764]  ? wake_all_kswapds+0x14d/0x300
[ 1159.117092]  __alloc_pages_slowpath+0x2214/0x2870
[ 1159.121944]  ? warn_alloc+0x110/0x110
[ 1159.125762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1159.131310]  ? should_fail+0x14d/0x85c
[ 1159.135212]  ? __isolate_free_page+0x4c0/0x4c0
[ 1159.139808]  __alloc_pages_nodemask+0x617/0x750
[ 1159.144501]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1159.149546]  ? mark_held_locks+0x100/0x100
[ 1159.153792]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1159.158915]  page_frag_alloc+0x541/0x670
[ 1159.162974]  ? check_preemption_disabled+0x48/0x290
[ 1159.167988]  __netdev_alloc_skb+0x20a/0x470
[ 1159.172339]  send_hsr_supervision_frame+0x110/0xfc0
[ 1159.177362]  ? lock_acquire+0x16f/0x3f0
[ 1159.181352]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1159.186388]  hsr_announce+0x12f/0x3b0
[ 1159.190185]  call_timer_fn+0x18d/0x720
[ 1159.194080]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1159.199281]  ? process_timeout+0x40/0x40
[ 1159.203340]  ? run_timer_softirq+0x644/0x16a0
[ 1159.207843]  ? trace_hardirqs_on+0x67/0x220
[ 1159.212171]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1159.218934]  run_timer_softirq+0x64f/0x16a0
[ 1159.223258]  ? add_timer+0xbe0/0xbe0
[ 1159.226972]  ? __lock_is_held+0xb6/0x140
[ 1159.231056]  __do_softirq+0x25c/0x921
[ 1159.234871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1159.240421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1159.245991]  irq_exit+0x180/0x1d0
[ 1159.249459]  smp_apic_timer_interrupt+0x13b/0x550
[ 1159.254381]  apic_timer_interrupt+0xf/0x20
[ 1159.258624]  </IRQ>
[ 1159.260869] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1159.265802] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1159.284712] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1159.292418] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1159.299701] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1159.306981] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1159.314255] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1159.321561] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1159.328859]  ? find_held_lock+0x35/0x130
[ 1159.332939]  ? process_one_work+0x890/0x1750
[ 1159.337366]  skb_clone+0x156/0x3e0
[ 1159.340923]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1159.347264]  process_one_work+0x989/0x1750
[ 1159.351522]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1159.356205]  ? lock_acquire+0x16f/0x3f0
[ 1159.360201]  ? kasan_check_write+0x14/0x20
[ 1159.364443]  ? do_raw_spin_lock+0xd7/0x250
[ 1159.368697]  worker_thread+0x98/0xe40
[ 1159.372508]  ? trace_hardirqs_on+0x67/0x220
[ 1159.376840]  kthread+0x354/0x420
[ 1159.380324]  ? process_one_work+0x1750/0x1750
[ 1159.384815]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1159.390348]  ret_from_fork+0x24/0x30
[ 1159.394066] warn_alloc_show_mem: 1 callbacks suppressed
[ 1159.394076] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1159.394078] Mem-Info:
[ 1159.394107] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1159.394107]  active_file:13 inactive_file:13 isolated_file:0
[ 1159.394107]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1159.394107]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1159.394107]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1159.394107]  free:10948 free_pcp:188 free_cma:0
[ 1159.399458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1159.406924] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1159.409334] Call Trace:
[ 1159.442449] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1159.451804]  <IRQ>
[ 1159.479390] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1159.481993]  dump_stack+0x197/0x210
[ 1159.507930] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1159.510108]  warn_alloc.cold+0x7b/0x173
[ 1159.536303] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1159.539956]  ? zone_watermark_ok_safe+0x260/0x260
[ 1159.545037] lowmem_reserve[]: 0 0 1 1 1
[ 1159.549051]  ? __cpuset_node_allowed+0x136/0x540
[ 1159.577836] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1159.582711]  ? __isolate_free_page+0x4c0/0x4c0
[ 1159.586645] lowmem_reserve[]: 0 0 0 0 0
[ 1159.591405]  ? wake_all_kswapds+0x14d/0x300
[ 1159.617152] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1159.621741]  __alloc_pages_slowpath+0x2214/0x2870
[ 1159.625785] lowmem_reserve[]: 0 0 0 0 0
[ 1159.630123]  ? warn_alloc+0x110/0x110
[ 1159.657845] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1159.662702]  ? __lock_acquire+0x6ee/0x49c0
[ 1159.666663] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1159.670502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1159.682974] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1159.687232]  ? should_fail+0x14d/0x85c
[ 1159.702479] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1159.708018]  ? __isolate_free_page+0x4c0/0x4c0
[ 1159.718656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1159.722556]  __alloc_pages_nodemask+0x617/0x750
[ 1159.738330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1159.738345] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1159.742936]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1159.751751] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1159.756426]  ? find_held_lock+0x35/0x130
[ 1159.764975] 279 total pagecache pages
[ 1159.773807]  cache_grow_begin+0x91/0x8c0
[ 1159.778799] 0 pages in swap cache
[ 1159.787375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1159.791407] Swap cache stats: add 0, delete 0, find 0/0
[ 1159.791414] Free swap  = 0kB
[ 1159.795208]  ? __cpuset_node_allowed+0x136/0x540
[ 1159.799241] Total swap = 0kB
[ 1159.802689]  fallback_alloc+0x1fd/0x2d0
[ 1159.808203] 1965979 pages RAM
[ 1159.813567]  ____cache_alloc_node+0x1be/0x1e0
[ 1159.816551] 0 pages HighMem/MovableOnly
[ 1159.816558] 341741 pages reserved
[ 1159.821304]  kmem_cache_alloc+0x1f3/0x700
[ 1159.824297] 0 pages cma reserved
[ 1159.828258]  ? mark_held_locks+0xb1/0x100
[ 1159.831619] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1159.835820]  ? __netdev_alloc_skb+0x370/0x470
[ 1159.839783] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1159.843232]  __build_skb+0x3e/0x310
[ 1159.877602]  __netdev_alloc_skb+0x2ba/0x470
[ 1159.881921]  send_hsr_supervision_frame+0x110/0xfc0
[ 1159.886929]  ? lock_acquire+0x16f/0x3f0
[ 1159.890911]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1159.895936]  hsr_announce+0x12f/0x3b0
[ 1159.899769]  call_timer_fn+0x18d/0x720
[ 1159.903658]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1159.908845]  ? process_timeout+0x40/0x40
[ 1159.912899]  ? run_timer_softirq+0x644/0x16a0
[ 1159.917392]  ? trace_hardirqs_on+0x67/0x220
[ 1159.921715]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1159.926902]  run_timer_softirq+0x64f/0x16a0
[ 1159.931244]  ? add_timer+0xbe0/0xbe0
[ 1159.934966]  ? __lock_is_held+0xb6/0x140
[ 1159.939185]  __do_softirq+0x25c/0x921
[ 1159.942984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1159.948530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1159.954072]  irq_exit+0x180/0x1d0
[ 1159.957525]  smp_apic_timer_interrupt+0x13b/0x550
[ 1159.962380]  apic_timer_interrupt+0xf/0x20
[ 1159.966599]  </IRQ>
[ 1159.968828] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1159.973676] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1159.992580] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1160.000283] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1160.007545] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1160.014822] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1160.022091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1160.029451] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1160.036725]  ? netconsole_netdev_event+0x280/0x280
[ 1160.041664]  ? console_unlock+0xf36/0x10d0
[ 1160.045918]  vprintk_emit+0x280/0x6d0
[ 1160.049719]  vprintk_default+0x28/0x30
[ 1160.053793]  vprintk_func+0x7e/0x189
[ 1160.057516]  printk+0xba/0xed
[ 1160.060624]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1160.065378]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1160.069886]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1160.074911]  dump_header+0x44b/0xa55
[ 1160.078629]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1160.083724]  ? ___ratelimit+0x60/0x595
[ 1160.087600]  ? do_raw_spin_unlock+0x181/0x270
[ 1160.092088]  oom_kill_process.cold+0x10/0x6ef
[ 1160.096609]  ? lock_downgrade+0x880/0x880
[ 1160.100779]  ? kasan_check_read+0x11/0x20
[ 1160.104931]  out_of_memory+0x362/0x1330
[ 1160.108910]  ? oom_killer_disable+0x280/0x280
[ 1160.113414]  ? mutex_trylock+0x18e/0x1e0
[ 1160.117490]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1160.122425]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1160.127282]  ? warn_alloc+0x110/0x110
[ 1160.131075]  ? __lock_is_held+0xb6/0x140
[ 1160.135133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1160.140664]  ? should_fail+0x14d/0x85c
[ 1160.144552]  ? __might_sleep+0x95/0x190
[ 1160.148554]  __alloc_pages_nodemask+0x617/0x750
[ 1160.153214]  ? kasan_check_read+0x11/0x20
[ 1160.157504]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1160.162540]  ? find_get_entry+0x3e1/0xa00
[ 1160.166694]  ? find_get_pages_contig+0xed0/0xed0
[ 1160.171569]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1160.177125]  alloc_pages_current+0x107/0x210
[ 1160.181541]  __page_cache_alloc+0x2bd/0x450
[ 1160.185873]  ? kasan_check_read+0x11/0x20
[ 1160.190028]  filemap_fault+0xfeb/0x1f00
[ 1160.194002]  ? lock_downgrade+0x880/0x880
[ 1160.198281]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1160.202973]  ? lock_acquire+0x16f/0x3f0
[ 1160.206944]  ? ext4_filemap_fault+0x7b/0xaf
[ 1160.211808]  ext4_filemap_fault+0x83/0xaf
[ 1160.215960]  __do_fault+0x111/0x480
[ 1160.219594]  __handle_mm_fault+0x2d78/0x3f80
[ 1160.224018]  ? copy_page_range+0x2030/0x2030
[ 1160.228448]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1160.233120]  handle_mm_fault+0x1b5/0x690
[ 1160.237210]  __do_page_fault+0x62a/0xe90
[ 1160.241270]  ? vmalloc_fault+0x740/0x740
[ 1160.245322]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1160.250328]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1160.255248]  ? page_fault+0x8/0x30
[ 1160.258787]  do_page_fault+0x71/0x57d
[ 1160.262595]  ? page_fault+0x8/0x30
[ 1160.266130]  page_fault+0x1e/0x30
[ 1160.269570] RIP: 0033:0x45b153
[ 1160.272763] Code: Bad RIP value.
[ 1160.276125] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1160.281482] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1160.288758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1160.296015] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1160.303275] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1160.310541] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1160.317914] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1160.318150] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1160.325628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1160.335835] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1160.345203] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1160.357057] Call Trace:
[ 1160.359632]  <IRQ>
[ 1160.361788]  dump_stack+0x197/0x210
[ 1160.365414]  warn_alloc.cold+0x7b/0x173
[ 1160.369395]  ? zone_watermark_ok_safe+0x260/0x260
[ 1160.374231]  ? __cpuset_node_allowed+0x136/0x540
[ 1160.378994]  ? __isolate_free_page+0x4c0/0x4c0
[ 1160.383568]  ? wake_all_kswapds+0x14d/0x300
[ 1160.387889]  __alloc_pages_slowpath+0x2214/0x2870
[ 1160.392737]  ? lockdep_hardirqs_on+0x19b/0x5d0
[ 1160.397306]  ? warn_alloc+0x110/0x110
[ 1160.401104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1160.406631]  ? should_fail+0x14d/0x85c
[ 1160.410511]  ? __isolate_free_page+0x4c0/0x4c0
[ 1160.415091]  __alloc_pages_nodemask+0x617/0x750
[ 1160.419752]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1160.424766]  ? mark_held_locks+0x100/0x100
[ 1160.428990]  ? __call_rcu.constprop.0+0x2d2/0x830
[ 1160.433827]  page_frag_alloc+0x541/0x670
[ 1160.437884]  ? check_preemption_disabled+0x48/0x290
[ 1160.442909]  __netdev_alloc_skb+0x20a/0x470
[ 1160.447246]  send_hsr_supervision_frame+0x110/0xfc0
[ 1160.452255]  ? lock_acquire+0x16f/0x3f0
[ 1160.456228]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1160.461241]  hsr_announce+0x12f/0x3b0
[ 1160.465036]  call_timer_fn+0x18d/0x720
[ 1160.468915]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1160.474095]  ? process_timeout+0x40/0x40
[ 1160.478144]  ? run_timer_softirq+0x644/0x16a0
[ 1160.482637]  ? trace_hardirqs_on+0x67/0x220
[ 1160.486965]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1160.492163]  run_timer_softirq+0x64f/0x16a0
[ 1160.496502]  ? add_timer+0xbe0/0xbe0
[ 1160.500211]  ? __lock_is_held+0xb6/0x140
[ 1160.504276]  __do_softirq+0x25c/0x921
[ 1160.508070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1160.513596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1160.519133]  irq_exit+0x180/0x1d0
[ 1160.522590]  smp_apic_timer_interrupt+0x13b/0x550
[ 1160.527426]  apic_timer_interrupt+0xf/0x20
[ 1160.531660]  </IRQ>
[ 1160.533889] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1160.538812] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1160.557717] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1160.565446] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1160.572710] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1160.579973] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1160.587236] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1160.594497] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1160.601790]  ? find_held_lock+0x35/0x130
[ 1160.605853]  ? process_one_work+0x890/0x1750
[ 1160.610259]  skb_clone+0x156/0x3e0
[ 1160.613797]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1160.620117]  process_one_work+0x989/0x1750
[ 1160.624351]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1160.629016]  ? lock_acquire+0x16f/0x3f0
[ 1160.632983]  ? kasan_check_write+0x14/0x20
[ 1160.637226]  ? do_raw_spin_lock+0xd7/0x250
[ 1160.641468]  worker_thread+0x98/0xe40
[ 1160.645259]  ? trace_hardirqs_on+0x67/0x220
[ 1160.649586]  kthread+0x354/0x420
[ 1160.652949]  ? process_one_work+0x1750/0x1750
[ 1160.657437]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1160.662970]  ret_from_fork+0x24/0x30
[ 1160.666694] warn_alloc_show_mem: 1 callbacks suppressed
[ 1160.666704] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1160.666707] Mem-Info:
[ 1160.666735] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1160.666735]  active_file:13 inactive_file:13 isolated_file:0
[ 1160.666735]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1160.666735]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1160.666735]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1160.666735]  free:10948 free_pcp:188 free_cma:0
[ 1160.672197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1160.672208] Call Trace:
[ 1160.679670] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1160.682073]  <IRQ>
[ 1160.715057] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1160.724413]  dump_stack+0x197/0x210
[ 1160.726966] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1160.754905]  warn_alloc.cold+0x7b/0x173
[ 1160.757034] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1160.782900]  ? zone_watermark_ok_safe+0x260/0x260
[ 1160.786504] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1160.812616]  ? __cpuset_node_allowed+0x136/0x540
[ 1160.816556] lowmem_reserve[]: 0 0 1 1 1
[ 1160.821572]  ? __isolate_free_page+0x4c0/0x4c0
[ 1160.826380] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1160.855182]  ? wake_all_kswapds+0x14d/0x300
[ 1160.859914] lowmem_reserve[]: 0 0 0 0 0
[ 1160.864072]  __alloc_pages_slowpath+0x2214/0x2870
[ 1160.868623] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1160.894412]  ? warn_alloc+0x110/0x110
[ 1160.898694] lowmem_reserve[]: 0 0 0 0 0
[ 1160.902673]  ? __lock_acquire+0x6ee/0x49c0
[ 1160.907496] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1160.935288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1160.939076] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1160.943055]  ? should_fail+0x14d/0x85c
[ 1160.947263] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1160.959746]  ? __isolate_free_page+0x4c0/0x4c0
[ 1160.965272] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1160.980524]  __alloc_pages_nodemask+0x617/0x750
[ 1160.984381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1160.995029]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1160.999592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1160.999607] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1161.015412]  ? find_held_lock+0x35/0x130
[ 1161.020053] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1161.028895]  cache_grow_begin+0x91/0x8c0
[ 1161.033888] 279 total pagecache pages
[ 1161.042455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1161.051270] 0 pages in swap cache
[ 1161.055322]  ? __cpuset_node_allowed+0x136/0x540
[ 1161.063873] Swap cache stats: add 0, delete 0, find 0/0
[ 1161.067926]  fallback_alloc+0x1fd/0x2d0
[ 1161.071699] Free swap  = 0kB
[ 1161.071707] Total swap = 0kB
[ 1161.077238]  ____cache_alloc_node+0x1be/0x1e0
[ 1161.080677] 1965979 pages RAM
[ 1161.085419]  kmem_cache_alloc+0x1f3/0x700
[ 1161.090752] 0 pages HighMem/MovableOnly
[ 1161.090760] 341741 pages reserved
[ 1161.094724]  ? mark_held_locks+0xb1/0x100
[ 1161.097724] 0 pages cma reserved
[ 1161.098089] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1161.100761]  ? __netdev_alloc_skb+0x370/0x470
[ 1161.105256] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1161.108368]  __build_skb+0x3e/0x310
[ 1161.149902]  __netdev_alloc_skb+0x2ba/0x470
[ 1161.154223]  send_hsr_supervision_frame+0x110/0xfc0
[ 1161.159239]  ? lock_acquire+0x16f/0x3f0
[ 1161.163214]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1161.168225]  hsr_announce+0x12f/0x3b0
[ 1161.172040]  call_timer_fn+0x18d/0x720
[ 1161.175957]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1161.181148]  ? process_timeout+0x40/0x40
[ 1161.185203]  ? run_timer_softirq+0x644/0x16a0
[ 1161.189713]  ? trace_hardirqs_on+0x67/0x220
[ 1161.194050]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1161.199239]  run_timer_softirq+0x64f/0x16a0
[ 1161.203576]  ? add_timer+0xbe0/0xbe0
[ 1161.207286]  ? __lock_is_held+0xb6/0x140
[ 1161.211364]  __do_softirq+0x25c/0x921
[ 1161.215159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1161.220703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1161.226262]  irq_exit+0x180/0x1d0
[ 1161.229732]  smp_apic_timer_interrupt+0x13b/0x550
[ 1161.234601]  apic_timer_interrupt+0xf/0x20
[ 1161.238825]  </IRQ>
[ 1161.241058] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1161.245902] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1161.265791] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1161.273619] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1161.280882] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1161.288146] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1161.295408] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1161.302682] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1161.309962]  ? netconsole_netdev_event+0x280/0x280
[ 1161.314885]  ? console_unlock+0xf36/0x10d0
[ 1161.319125]  vprintk_emit+0x280/0x6d0
[ 1161.322933]  vprintk_default+0x28/0x30
[ 1161.326813]  vprintk_func+0x7e/0x189
[ 1161.330519]  printk+0xba/0xed
[ 1161.333623]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1161.338373]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1161.342866]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1161.347985]  dump_header+0x44b/0xa55
[ 1161.351694]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1161.356799]  ? ___ratelimit+0x60/0x595
[ 1161.360676]  ? do_raw_spin_unlock+0x181/0x270
[ 1161.365168]  oom_kill_process.cold+0x10/0x6ef
[ 1161.369662]  ? lock_downgrade+0x880/0x880
[ 1161.373810]  ? kasan_check_read+0x11/0x20
[ 1161.377970]  out_of_memory+0x362/0x1330
[ 1161.382086]  ? oom_killer_disable+0x280/0x280
[ 1161.386593]  ? mutex_trylock+0x18e/0x1e0
[ 1161.390657]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1161.395586]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1161.400462]  ? warn_alloc+0x110/0x110
[ 1161.404296]  ? __lock_is_held+0xb6/0x140
[ 1161.408474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1161.414015]  ? should_fail+0x14d/0x85c
[ 1161.417909]  ? __might_sleep+0x95/0x190
[ 1161.421901]  __alloc_pages_nodemask+0x617/0x750
[ 1161.426574]  ? kasan_check_read+0x11/0x20
[ 1161.430735]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1161.435764]  ? find_get_entry+0x3e1/0xa00
[ 1161.439920]  ? find_get_pages_contig+0xed0/0xed0
[ 1161.444679]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1161.450210]  alloc_pages_current+0x107/0x210
[ 1161.454633]  __page_cache_alloc+0x2bd/0x450
[ 1161.458965]  ? kasan_check_read+0x11/0x20
[ 1161.463124]  filemap_fault+0xfeb/0x1f00
[ 1161.467114]  ? lock_downgrade+0x880/0x880
[ 1161.471295]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1161.475990]  ? lock_acquire+0x16f/0x3f0
[ 1161.479963]  ? ext4_filemap_fault+0x7b/0xaf
[ 1161.484307]  ext4_filemap_fault+0x83/0xaf
[ 1161.488464]  __do_fault+0x111/0x480
[ 1161.492102]  __handle_mm_fault+0x2d78/0x3f80
[ 1161.496508]  ? copy_page_range+0x2030/0x2030
[ 1161.501059]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1161.505731]  handle_mm_fault+0x1b5/0x690
[ 1161.509798]  __do_page_fault+0x62a/0xe90
[ 1161.513860]  ? vmalloc_fault+0x740/0x740
[ 1161.517913]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1161.522935]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1161.527857]  ? page_fault+0x8/0x30
[ 1161.531392]  do_page_fault+0x71/0x57d
[ 1161.535181]  ? page_fault+0x8/0x30
[ 1161.538710]  page_fault+0x1e/0x30
[ 1161.542162] RIP: 0033:0x45b153
[ 1161.545356] Code: Bad RIP value.
[ 1161.548706] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1161.554070] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1161.561347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1161.568611] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1161.575876] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1161.583136] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1161.590434] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1161.590615] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1161.598155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1161.608362] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1161.619371] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1161.631190] Call Trace:
[ 1161.633769]  <IRQ>
[ 1161.635941]  dump_stack+0x197/0x210
[ 1161.639599]  warn_alloc.cold+0x7b/0x173
[ 1161.643578]  ? zone_watermark_ok_safe+0x260/0x260
[ 1161.648421]  ? __cpuset_node_allowed+0x136/0x540
[ 1161.653191]  ? __isolate_free_page+0x4c0/0x4c0
[ 1161.657790]  ? wake_all_kswapds+0x14d/0x300
[ 1161.662113]  __alloc_pages_slowpath+0x2214/0x2870
[ 1161.666979]  ? warn_alloc+0x110/0x110
[ 1161.670778]  ? lock_downgrade+0x880/0x880
[ 1161.675391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1161.680955]  ? should_fail+0x14d/0x85c
[ 1161.684851]  ? __isolate_free_page+0x4c0/0x4c0
[ 1161.689441]  __alloc_pages_nodemask+0x617/0x750
[ 1161.694121]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1161.699138]  ? mark_held_locks+0x100/0x100
[ 1161.703373]  ? mod_timer+0x576/0x1030
[ 1161.707171]  page_frag_alloc+0x541/0x670
[ 1161.711240]  ? check_preemption_disabled+0x48/0x290
[ 1161.716274]  __netdev_alloc_skb+0x20a/0x470
[ 1161.720603]  send_hsr_supervision_frame+0x110/0xfc0
[ 1161.725632]  ? lock_acquire+0x16f/0x3f0
[ 1161.729607]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1161.734637]  hsr_announce+0x12f/0x3b0
[ 1161.738450]  call_timer_fn+0x18d/0x720
[ 1161.742347]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1161.747550]  ? process_timeout+0x40/0x40
[ 1161.751601]  ? run_timer_softirq+0x644/0x16a0
[ 1161.756088]  ? trace_hardirqs_on+0x67/0x220
[ 1161.760409]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1161.765603]  run_timer_softirq+0x64f/0x16a0
[ 1161.769935]  ? add_timer+0xbe0/0xbe0
[ 1161.773660]  ? __lock_is_held+0xb6/0x140
[ 1161.777849]  __do_softirq+0x25c/0x921
[ 1161.781646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1161.787188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1161.792734]  irq_exit+0x180/0x1d0
[ 1161.796195]  smp_apic_timer_interrupt+0x13b/0x550
[ 1161.801039]  apic_timer_interrupt+0xf/0x20
[ 1161.805261]  </IRQ>
[ 1161.807493] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1161.812416] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1161.831440] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1161.839180] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1161.846464] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1161.853734] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1161.861081] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1161.868345] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1161.875632]  ? find_held_lock+0x35/0x130
[ 1161.879701]  ? process_one_work+0x890/0x1750
[ 1161.884115]  skb_clone+0x156/0x3e0
[ 1161.887652]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1161.893982]  process_one_work+0x989/0x1750
[ 1161.898217]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1161.902874]  ? lock_acquire+0x16f/0x3f0
[ 1161.906856]  ? kasan_check_write+0x14/0x20
[ 1161.911078]  ? do_raw_spin_lock+0xd7/0x250
[ 1161.915307]  worker_thread+0x98/0xe40
[ 1161.919116]  ? trace_hardirqs_on+0x67/0x220
[ 1161.923444]  kthread+0x354/0x420
[ 1161.926807]  ? process_one_work+0x1750/0x1750
[ 1161.931325]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1161.936862]  ret_from_fork+0x24/0x30
[ 1161.940578] warn_alloc_show_mem: 1 callbacks suppressed
[ 1161.940588] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1161.940590] Mem-Info:
[ 1161.940619] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1161.940619]  active_file:13 inactive_file:13 isolated_file:0
[ 1161.940619]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1161.940619]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1161.940619]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1161.940619]  free:10948 free_pcp:188 free_cma:0
[ 1161.945950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1161.945958] Call Trace:
[ 1161.953416] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1161.955810]  <IRQ>
[ 1161.989917] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1162.002138]  dump_stack+0x197/0x210
[ 1162.004817] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1162.032425]  warn_alloc.cold+0x7b/0x173
[ 1162.034547] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1162.060526]  ? zone_watermark_ok_safe+0x260/0x260
[ 1162.064141] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1162.090327]  ? __cpuset_node_allowed+0x136/0x540
[ 1162.094273] lowmem_reserve[]: 0 0 1 1 1
[ 1162.099311]  ? __isolate_free_page+0x4c0/0x4c0
[ 1162.104124] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1162.132966]  ? wake_all_kswapds+0x14d/0x300
[ 1162.137707] lowmem_reserve[]: 0 0 0 0 0
[ 1162.141703]  __alloc_pages_slowpath+0x2214/0x2870
[ 1162.146253] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1162.172521]  ? warn_alloc+0x110/0x110
[ 1162.176815] lowmem_reserve[]: 0 0 0 0 0
[ 1162.180828]  ? __lock_acquire+0x6ee/0x49c0
[ 1162.185651] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1162.213515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1162.217286] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1162.221268]  ? should_fail+0x14d/0x85c
[ 1162.225484] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1162.238101]  ? __isolate_free_page+0x4c0/0x4c0
[ 1162.243615] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1162.258899]  __alloc_pages_nodemask+0x617/0x750
[ 1162.262777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1162.273551]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1162.278140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1162.278156] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1162.293969]  ? find_held_lock+0x35/0x130
[ 1162.298626] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1162.307470]  cache_grow_begin+0x91/0x8c0
[ 1162.312485] 279 total pagecache pages
[ 1162.321069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1162.329894] 0 pages in swap cache
[ 1162.333961]  ? __cpuset_node_allowed+0x136/0x540
[ 1162.342509] Swap cache stats: add 0, delete 0, find 0/0
[ 1162.342519] Free swap  = 0kB
[ 1162.346588]  fallback_alloc+0x1fd/0x2d0
[ 1162.350361] Total swap = 0kB
[ 1162.350371] 1965979 pages RAM
[ 1162.356009]  ____cache_alloc_node+0x1be/0x1e0
[ 1162.359450] 0 pages HighMem/MovableOnly
[ 1162.364212]  kmem_cache_alloc+0x1f3/0x700
[ 1162.369555] 341741 pages reserved
[ 1162.369564] 0 pages cma reserved
[ 1162.372586]  ? mark_held_locks+0xb1/0x100
[ 1162.376835] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1162.379570]  ? __netdev_alloc_skb+0x370/0x470
[ 1162.382674] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1162.387218]  __build_skb+0x3e/0x310
[ 1162.428996]  __netdev_alloc_skb+0x2ba/0x470
[ 1162.433329]  send_hsr_supervision_frame+0x110/0xfc0
[ 1162.438440]  ? lock_acquire+0x16f/0x3f0
[ 1162.442428]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1162.447483]  hsr_announce+0x12f/0x3b0
[ 1162.451308]  call_timer_fn+0x18d/0x720
[ 1162.455392]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1162.460595]  ? process_timeout+0x40/0x40
[ 1162.464664]  ? run_timer_softirq+0x644/0x16a0
[ 1162.469186]  ? trace_hardirqs_on+0x67/0x220
[ 1162.473529]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1162.478734]  run_timer_softirq+0x64f/0x16a0
[ 1162.483084]  ? add_timer+0xbe0/0xbe0
[ 1162.486812]  ? __lock_is_held+0xb6/0x140
[ 1162.490905]  __do_softirq+0x25c/0x921
[ 1162.494720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1162.500270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1162.505827]  irq_exit+0x180/0x1d0
[ 1162.509298]  smp_apic_timer_interrupt+0x13b/0x550
[ 1162.514141]  apic_timer_interrupt+0xf/0x20
[ 1162.518374]  </IRQ>
[ 1162.520612] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1162.525462] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1162.544372] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1162.552090] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1162.559357] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1162.566770] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1162.574049] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1162.581331] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1162.588753]  ? netconsole_netdev_event+0x280/0x280
[ 1162.593709]  ? console_unlock+0xf36/0x10d0
[ 1162.597976]  vprintk_emit+0x280/0x6d0
[ 1162.601798]  vprintk_default+0x28/0x30
[ 1162.605708]  vprintk_func+0x7e/0x189
[ 1162.609434]  printk+0xba/0xed
[ 1162.612549]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1162.617321]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1162.621821]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1162.626839]  dump_header+0x44b/0xa55
[ 1162.630569]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1162.635676]  ? ___ratelimit+0x60/0x595
[ 1162.639687]  ? do_raw_spin_unlock+0x181/0x270
[ 1162.644213]  oom_kill_process.cold+0x10/0x6ef
[ 1162.648713]  ? lock_downgrade+0x880/0x880
[ 1162.652877]  ? kasan_check_read+0x11/0x20
[ 1162.657040]  out_of_memory+0x362/0x1330
[ 1162.661017]  ? oom_killer_disable+0x280/0x280
[ 1162.665524]  ? mutex_trylock+0x18e/0x1e0
[ 1162.669597]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1162.674532]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1162.679415]  ? warn_alloc+0x110/0x110
[ 1162.683230]  ? __lock_is_held+0xb6/0x140
[ 1162.687308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1162.692850]  ? should_fail+0x14d/0x85c
[ 1162.696790]  ? __might_sleep+0x95/0x190
[ 1162.700782]  __alloc_pages_nodemask+0x617/0x750
[ 1162.705450]  ? kasan_check_read+0x11/0x20
[ 1162.709627]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1162.714703]  ? find_get_entry+0x3e1/0xa00
[ 1162.718894]  ? find_get_pages_contig+0xed0/0xed0
[ 1162.723646]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1162.729206]  alloc_pages_current+0x107/0x210
[ 1162.733614]  __page_cache_alloc+0x2bd/0x450
[ 1162.737968]  ? kasan_check_read+0x11/0x20
[ 1162.742154]  filemap_fault+0xfeb/0x1f00
[ 1162.746135]  ? lock_downgrade+0x880/0x880
[ 1162.750321]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1162.755006]  ? lock_acquire+0x16f/0x3f0
[ 1162.759432]  ? ext4_filemap_fault+0x7b/0xaf
[ 1162.763758]  ext4_filemap_fault+0x83/0xaf
[ 1162.767921]  __do_fault+0x111/0x480
[ 1162.771570]  __handle_mm_fault+0x2d78/0x3f80
[ 1162.775995]  ? copy_page_range+0x2030/0x2030
[ 1162.780451]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1162.785139]  handle_mm_fault+0x1b5/0x690
[ 1162.789246]  __do_page_fault+0x62a/0xe90
[ 1162.793353]  ? vmalloc_fault+0x740/0x740
[ 1162.797605]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1162.802619]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1162.807548]  ? page_fault+0x8/0x30
[ 1162.811118]  do_page_fault+0x71/0x57d
[ 1162.814939]  ? page_fault+0x8/0x30
[ 1162.818493]  page_fault+0x1e/0x30
[ 1162.821946] RIP: 0033:0x45b153
[ 1162.825182] Code: Bad RIP value.
[ 1162.828564] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1162.833935] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1162.841214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1162.848499] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1162.856319] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1162.863696] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1162.870996] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1162.871161] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1162.878727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1162.878755] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1162.888981] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1162.898329] Call Trace:
[ 1162.898340]  <IRQ>
[ 1162.914928]  dump_stack+0x197/0x210
[ 1162.918573]  warn_alloc.cold+0x7b/0x173
[ 1162.922560]  ? zone_watermark_ok_safe+0x260/0x260
[ 1162.927510]  ? __cpuset_node_allowed+0x136/0x540
[ 1162.932287]  ? __isolate_free_page+0x4c0/0x4c0
[ 1162.936869]  ? wake_all_kswapds+0x14d/0x300
[ 1162.941213]  __alloc_pages_slowpath+0x2214/0x2870
[ 1162.946082]  ? warn_alloc+0x110/0x110
[ 1162.949912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1162.955464]  ? should_fail+0x14d/0x85c
[ 1162.959370]  ? __isolate_free_page+0x4c0/0x4c0
[ 1162.963975]  __alloc_pages_nodemask+0x617/0x750
[ 1162.968665]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1162.973705]  ? mark_held_locks+0x100/0x100
[ 1162.977933]  ? trace_hardirqs_on+0x67/0x220
[ 1162.982258]  page_frag_alloc+0x541/0x670
[ 1162.986324]  ? check_preemption_disabled+0x48/0x290
[ 1162.991344]  __netdev_alloc_skb+0x20a/0x470
[ 1162.995688]  send_hsr_supervision_frame+0x110/0xfc0
[ 1163.000738]  ? lock_acquire+0x16f/0x3f0
[ 1163.004722]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1163.009765]  hsr_announce+0x12f/0x3b0
[ 1163.013570]  call_timer_fn+0x18d/0x720
[ 1163.017475]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1163.022684]  ? process_timeout+0x40/0x40
[ 1163.026740]  ? run_timer_softirq+0x644/0x16a0
[ 1163.031257]  ? trace_hardirqs_on+0x67/0x220
[ 1163.035704]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1163.040920]  run_timer_softirq+0x64f/0x16a0
[ 1163.045261]  ? add_timer+0xbe0/0xbe0
[ 1163.048970]  ? __lock_is_held+0xb6/0x140
[ 1163.053053]  __do_softirq+0x25c/0x921
[ 1163.056865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1163.062416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1163.067975]  irq_exit+0x180/0x1d0
[ 1163.071430]  smp_apic_timer_interrupt+0x13b/0x550
[ 1163.076377]  apic_timer_interrupt+0xf/0x20
[ 1163.080608]  </IRQ>
[ 1163.082849] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1163.087806] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1163.106721] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1163.114441] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1163.121732] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1163.129000] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1163.138883] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1163.146704] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1163.154021]  ? find_held_lock+0x35/0x130
[ 1163.158098]  ? process_one_work+0x890/0x1750
[ 1163.162530]  skb_clone+0x156/0x3e0
[ 1163.166096]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1163.172434]  process_one_work+0x989/0x1750
[ 1163.176682]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1163.181366]  ? lock_acquire+0x16f/0x3f0
[ 1163.185347]  ? kasan_check_write+0x14/0x20
[ 1163.189573]  ? do_raw_spin_lock+0xd7/0x250
[ 1163.193833]  worker_thread+0x98/0xe40
[ 1163.197655]  ? trace_hardirqs_on+0x67/0x220
[ 1163.201999]  kthread+0x354/0x420
[ 1163.205376]  ? process_one_work+0x1750/0x1750
[ 1163.209876]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1163.215445]  ret_from_fork+0x24/0x30
[ 1163.219163] warn_alloc_show_mem: 1 callbacks suppressed
[ 1163.219173] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1163.219175] Mem-Info:
[ 1163.219204] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1163.219204]  active_file:13 inactive_file:13 isolated_file:0
[ 1163.219204]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1163.219204]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1163.219204]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1163.219204]  free:10948 free_pcp:188 free_cma:0
[ 1163.224573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1163.232038] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1163.234419] Call Trace:
[ 1163.234446]  <IRQ>
[ 1163.267452] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1163.276800]  dump_stack+0x197/0x210
[ 1163.305015] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1163.307620]  warn_alloc.cold+0x7b/0x173
[ 1163.309745] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1163.335870]  ? zone_watermark_ok_safe+0x260/0x260
[ 1163.339483] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1163.365712]  ? __cpuset_node_allowed+0x136/0x540
[ 1163.369653] lowmem_reserve[]: 0 0 1 1 1
[ 1163.374697]  ? __isolate_free_page+0x4c0/0x4c0
[ 1163.379530] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1163.408595]  ? wake_all_kswapds+0x14d/0x300
[ 1163.413325] lowmem_reserve[]: 0 0 0 0 0
[ 1163.417343]  __alloc_pages_slowpath+0x2214/0x2870
[ 1163.421906] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1163.447967]  ? warn_alloc+0x110/0x110
[ 1163.452251] lowmem_reserve[]: 0 0 0 0 0
[ 1163.456244]  ? __lock_acquire+0x6ee/0x49c0
[ 1163.461159] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1163.488936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1163.492719] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1163.496771]  ? should_fail+0x14d/0x85c
[ 1163.501433] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1163.514052]  ? __isolate_free_page+0x4c0/0x4c0
[ 1163.519582] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1163.534875]  __alloc_pages_nodemask+0x617/0x750
[ 1163.538742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1163.549422]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1163.553994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1163.569798]  ? find_held_lock+0x35/0x130
[ 1163.574568] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1163.583414]  cache_grow_begin+0x91/0x8c0
[ 1163.588428] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1163.597012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1163.601059] 279 total pagecache pages
[ 1163.609911]  ? __cpuset_node_allowed+0x136/0x540
[ 1163.613954] 0 pages in swap cache
[ 1163.622539]  fallback_alloc+0x1fd/0x2d0
[ 1163.628067] Swap cache stats: add 0, delete 0, find 0/0
[ 1163.628077] Free swap  = 0kB
[ 1163.631887]  ____cache_alloc_node+0x1be/0x1e0
[ 1163.636610] Total swap = 0kB
[ 1163.636621] 1965979 pages RAM
[ 1163.640101]  kmem_cache_alloc_node+0xe3/0x710
[ 1163.644056] 0 pages HighMem/MovableOnly
[ 1163.644066] 341741 pages reserved
[ 1163.649436]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1163.652430] 0 pages cma reserved
[ 1163.652629] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1163.656959]  __alloc_skb+0xd5/0x5f0
[ 1163.659943] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1163.663050]  ? skb_trim+0x190/0x190
[ 1163.706148]  ? kasan_check_read+0x11/0x20
[ 1163.710333]  ndisc_alloc_skb+0x13c/0x340
[ 1163.714399]  ndisc_send_rs+0x35f/0x6e0
[ 1163.718399]  addrconf_rs_timer+0x30f/0x680
[ 1163.722654]  ? ipv6_get_lladdr+0x490/0x490
[ 1163.726902]  call_timer_fn+0x18d/0x720
[ 1163.730816]  ? ipv6_get_lladdr+0x490/0x490
[ 1163.735139]  ? process_timeout+0x40/0x40
[ 1163.739212]  ? run_timer_softirq+0x644/0x16a0
[ 1163.743720]  ? trace_hardirqs_on+0x67/0x220
[ 1163.748059]  ? ipv6_get_lladdr+0x490/0x490
[ 1163.752291]  run_timer_softirq+0x64f/0x16a0
[ 1163.756628]  ? add_timer+0xbe0/0xbe0
[ 1163.760355]  ? __lock_is_held+0xb6/0x140
[ 1163.764434]  __do_softirq+0x25c/0x921
[ 1163.768248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1163.773801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1163.779472]  irq_exit+0x180/0x1d0
[ 1163.782945]  smp_apic_timer_interrupt+0x13b/0x550
[ 1163.787805]  apic_timer_interrupt+0xf/0x20
[ 1163.792034]  </IRQ>
[ 1163.794277] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1163.799128] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1163.818039] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1163.825762] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1163.833034] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1163.840325] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1163.847605] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1163.854983] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1163.862271]  ? netconsole_netdev_event+0x280/0x280
[ 1163.867231]  ? console_unlock+0xf36/0x10d0
[ 1163.871530]  vprintk_emit+0x280/0x6d0
[ 1163.875341]  vprintk_default+0x28/0x30
[ 1163.879240]  vprintk_func+0x7e/0x189
[ 1163.882967]  printk+0xba/0xed
[ 1163.886073]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1163.890837]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1163.895341]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1163.900386]  dump_header+0x44b/0xa55
[ 1163.904100]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1163.909216]  ? ___ratelimit+0x60/0x595
[ 1163.913107]  ? do_raw_spin_unlock+0x181/0x270
[ 1163.917616]  oom_kill_process.cold+0x10/0x6ef
[ 1163.922122]  ? lock_downgrade+0x880/0x880
[ 1163.926270]  ? kasan_check_read+0x11/0x20
[ 1163.930434]  out_of_memory+0x362/0x1330
[ 1163.934413]  ? oom_killer_disable+0x280/0x280
[ 1163.938920]  ? mutex_trylock+0x18e/0x1e0
[ 1163.942991]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1163.948025]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1163.952901]  ? warn_alloc+0x110/0x110
[ 1163.956717]  ? __lock_is_held+0xb6/0x140
[ 1163.960798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1163.966337]  ? should_fail+0x14d/0x85c
[ 1163.970230]  ? __might_sleep+0x95/0x190
[ 1163.974338]  __alloc_pages_nodemask+0x617/0x750
[ 1163.979011]  ? kasan_check_read+0x11/0x20
[ 1163.983171]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1163.988201]  ? find_get_entry+0x3e1/0xa00
[ 1163.992375]  ? find_get_pages_contig+0xed0/0xed0
[ 1163.997131]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1164.002691]  alloc_pages_current+0x107/0x210
[ 1164.007150]  __page_cache_alloc+0x2bd/0x450
[ 1164.011475]  ? kasan_check_read+0x11/0x20
[ 1164.015634]  filemap_fault+0xfeb/0x1f00
[ 1164.019610]  ? lock_downgrade+0x880/0x880
[ 1164.023779]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1164.028448]  ? lock_acquire+0x16f/0x3f0
[ 1164.032453]  ? ext4_filemap_fault+0x7b/0xaf
[ 1164.036788]  ext4_filemap_fault+0x83/0xaf
[ 1164.040957]  __do_fault+0x111/0x480
[ 1164.044583]  __handle_mm_fault+0x2d78/0x3f80
[ 1164.048991]  ? copy_page_range+0x2030/0x2030
[ 1164.053426]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1164.058110]  handle_mm_fault+0x1b5/0x690
[ 1164.062309]  __do_page_fault+0x62a/0xe90
[ 1164.066391]  ? vmalloc_fault+0x740/0x740
[ 1164.070460]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1164.075473]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1164.080414]  ? page_fault+0x8/0x30
[ 1164.084046]  do_page_fault+0x71/0x57d
[ 1164.087873]  ? page_fault+0x8/0x30
[ 1164.091410]  page_fault+0x1e/0x30
[ 1164.094858] RIP: 0033:0x45b153
[ 1164.098057] Code: Bad RIP value.
[ 1164.101412] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1164.106767] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1164.114034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1164.121426] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1164.130965] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1164.138242] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1164.145669] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1164.145730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1164.153589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1164.153616] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1164.153622] Call Trace:
[ 1164.153629]  <IRQ>
[ 1164.153648]  dump_stack+0x197/0x210
[ 1164.153669]  warn_alloc.cold+0x7b/0x173
[ 1164.160210] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1164.169542]  ? zone_watermark_ok_safe+0x260/0x260
[ 1164.176612] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1164.179315]  ? __cpuset_node_allowed+0x136/0x540
[ 1164.215318]  ? __isolate_free_page+0x4c0/0x4c0
[ 1164.219919]  ? wake_all_kswapds+0x14d/0x300
[ 1164.224269]  __alloc_pages_slowpath+0x2214/0x2870
[ 1164.229131]  ? warn_alloc+0x110/0x110
[ 1164.232932]  ? __lock_acquire+0x6ee/0x49c0
[ 1164.237221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1164.242786]  ? should_fail+0x14d/0x85c
[ 1164.246689]  ? __isolate_free_page+0x4c0/0x4c0
[ 1164.251408]  __alloc_pages_nodemask+0x617/0x750
[ 1164.256095]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1164.261132]  ? find_held_lock+0x35/0x130
[ 1164.265204]  cache_grow_begin+0x91/0x8c0
[ 1164.269261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1164.274802]  ? __cpuset_node_allowed+0x136/0x540
[ 1164.279570]  fallback_alloc+0x1fd/0x2d0
[ 1164.283546]  ____cache_alloc_node+0x1be/0x1e0
[ 1164.288040]  kmem_cache_alloc_node+0xe3/0x710
[ 1164.292538]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1164.296774]  __alloc_skb+0xd5/0x5f0
[ 1164.300401]  ? skb_trim+0x190/0x190
[ 1164.304035]  ? kasan_check_read+0x11/0x20
[ 1164.308202]  ndisc_alloc_skb+0x13c/0x340
[ 1164.312280]  ndisc_send_rs+0x35f/0x6e0
[ 1164.316181]  addrconf_rs_timer+0x30f/0x680
[ 1164.320427]  ? ipv6_get_lladdr+0x490/0x490
[ 1164.324668]  call_timer_fn+0x18d/0x720
[ 1164.328565]  ? ipv6_get_lladdr+0x490/0x490
[ 1164.332795]  ? process_timeout+0x40/0x40
[ 1164.336986]  ? run_timer_softirq+0x644/0x16a0
[ 1164.341491]  ? trace_hardirqs_on+0x67/0x220
[ 1164.345818]  ? ipv6_get_lladdr+0x490/0x490
[ 1164.350071]  run_timer_softirq+0x64f/0x16a0
[ 1164.354536]  ? add_timer+0xbe0/0xbe0
[ 1164.358286]  ? __lock_is_held+0xb6/0x140
[ 1164.362372]  __do_softirq+0x25c/0x921
[ 1164.366173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1164.371727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1164.377323]  irq_exit+0x180/0x1d0
[ 1164.380798]  smp_apic_timer_interrupt+0x13b/0x550
[ 1164.385659]  apic_timer_interrupt+0xf/0x20
[ 1164.389900]  </IRQ>
[ 1164.392147] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1164.397096] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1164.416013] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1164.423752] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1164.431031] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1164.438306] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1164.445579] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1164.452944] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1164.460475]  ? find_held_lock+0x35/0x130
[ 1164.464557]  ? process_one_work+0x890/0x1750
[ 1164.470113]  skb_clone+0x156/0x3e0
[ 1164.473721]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1164.480082]  process_one_work+0x989/0x1750
[ 1164.484457]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1164.489136]  ? lock_acquire+0x16f/0x3f0
[ 1164.493145]  ? kasan_check_write+0x14/0x20
[ 1164.497401]  ? do_raw_spin_lock+0xd7/0x250
[ 1164.501776]  worker_thread+0x98/0xe40
[ 1164.505601]  ? trace_hardirqs_on+0x67/0x220
[ 1164.509931]  kthread+0x354/0x420
[ 1164.513313]  ? process_one_work+0x1750/0x1750
[ 1164.517808]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1164.523349]  ret_from_fork+0x24/0x30
[ 1164.527070] warn_alloc_show_mem: 1 callbacks suppressed
[ 1164.527080] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1164.527082] Mem-Info:
[ 1164.527111] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1164.527111]  active_file:13 inactive_file:13 isolated_file:0
[ 1164.527111]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1164.527111]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1164.527111]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1164.527111]  free:10948 free_pcp:188 free_cma:0
[ 1164.532457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1164.539935] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1164.542334] Call Trace:
[ 1164.575572] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1164.584951]  <IRQ>
[ 1164.613023] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1164.615618]  dump_stack+0x197/0x210
[ 1164.641583] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1164.643760]  warn_alloc.cold+0x7b/0x173
[ 1164.669957] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1164.673871]  ? zone_watermark_ok_safe+0x260/0x260
[ 1164.678931] lowmem_reserve[]: 0 0 1 1 1
[ 1164.682943]  ? __cpuset_node_allowed+0x136/0x540
[ 1164.711738] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1164.716617]  ? __isolate_free_page+0x4c0/0x4c0
[ 1164.720564] lowmem_reserve[]: 0 0 0 0 0
[ 1164.725334]  ? wake_all_kswapds+0x14d/0x300
[ 1164.751360] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1164.755981]  __alloc_pages_slowpath+0x2214/0x2870
[ 1164.759949] lowmem_reserve[]: 0 0 0 0 0
[ 1164.764309]  ? warn_alloc+0x110/0x110
[ 1164.792062] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1164.796917]  ? __lock_acquire+0x6ee/0x49c0
[ 1164.800882] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1164.804696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1164.817703] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1164.821962]  ? should_fail+0x14d/0x85c
[ 1164.837373] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1164.842952]  ? __isolate_free_page+0x4c0/0x4c0
[ 1164.853718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1164.857743]  __alloc_pages_nodemask+0x617/0x750
[ 1164.873516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1164.878108]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1164.886946] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1164.891635]  ? find_held_lock+0x35/0x130
[ 1164.900188] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1164.900198] 279 total pagecache pages
[ 1164.905239]  cache_grow_begin+0x91/0x8c0
[ 1164.915202] 0 pages in swap cache
[ 1164.919288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1164.927876] Swap cache stats: add 0, delete 0, find 0/0
[ 1164.931681]  ? __cpuset_node_allowed+0x136/0x540
[ 1164.935735] Free swap  = 0kB
[ 1164.935745] Total swap = 0kB
[ 1164.939218]  fallback_alloc+0x1fd/0x2d0
[ 1164.945630] 1965979 pages RAM
[ 1164.951128]  ____cache_alloc_node+0x1be/0x1e0
[ 1164.955868] 0 pages HighMem/MovableOnly
[ 1164.955876] 341741 pages reserved
[ 1164.958907]  kmem_cache_alloc_node+0xe3/0x710
[ 1164.961907] 0 pages cma reserved
[ 1164.965982]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1164.969130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1164.973597]  __alloc_skb+0xd5/0x5f0
[ 1164.973616]  ? skb_trim+0x190/0x190
[ 1164.977623] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1164.981036]  ? kasan_check_read+0x11/0x20
[ 1164.985506] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1164.988874]  ndisc_alloc_skb+0x13c/0x340
[ 1165.030424]  ndisc_send_rs+0x35f/0x6e0
[ 1165.034343]  addrconf_rs_timer+0x30f/0x680
[ 1165.038585]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.042844]  call_timer_fn+0x18d/0x720
[ 1165.046744]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.050982]  ? process_timeout+0x40/0x40
[ 1165.055043]  ? run_timer_softirq+0x644/0x16a0
[ 1165.059654]  ? trace_hardirqs_on+0x67/0x220
[ 1165.064025]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.068297]  run_timer_softirq+0x64f/0x16a0
[ 1165.072650]  ? add_timer+0xbe0/0xbe0
[ 1165.076635]  ? __lock_is_held+0xb6/0x140
[ 1165.080703]  __do_softirq+0x25c/0x921
[ 1165.084523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1165.090073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1165.095639]  irq_exit+0x180/0x1d0
[ 1165.099118]  smp_apic_timer_interrupt+0x13b/0x550
[ 1165.103965]  apic_timer_interrupt+0xf/0x20
[ 1165.108203]  </IRQ>
[ 1165.110459] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1165.115314] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1165.134231] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1165.142074] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1165.149470] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1165.156863] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1165.164256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1165.171527] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1165.178910]  ? netconsole_netdev_event+0x280/0x280
[ 1165.183889]  ? console_unlock+0xf36/0x10d0
[ 1165.188152]  vprintk_emit+0x280/0x6d0
[ 1165.191970]  vprintk_default+0x28/0x30
[ 1165.195862]  vprintk_func+0x7e/0x189
[ 1165.199574]  printk+0xba/0xed
[ 1165.202683]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1165.207470]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1165.211992]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1165.217049]  dump_header+0x44b/0xa55
[ 1165.220792]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1165.226164]  ? ___ratelimit+0x60/0x595
[ 1165.230069]  ? do_raw_spin_unlock+0x181/0x270
[ 1165.234630]  oom_kill_process.cold+0x10/0x6ef
[ 1165.239156]  ? lock_downgrade+0x880/0x880
[ 1165.243337]  ? kasan_check_read+0x11/0x20
[ 1165.247492]  out_of_memory+0x362/0x1330
[ 1165.251684]  ? oom_killer_disable+0x280/0x280
[ 1165.256194]  ? mutex_trylock+0x18e/0x1e0
[ 1165.260384]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1165.265341]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1165.270204]  ? warn_alloc+0x110/0x110
[ 1165.274024]  ? __lock_is_held+0xb6/0x140
[ 1165.278092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1165.283638]  ? should_fail+0x14d/0x85c
[ 1165.287554]  ? __might_sleep+0x95/0x190
[ 1165.291540]  __alloc_pages_nodemask+0x617/0x750
[ 1165.296355]  ? kasan_check_read+0x11/0x20
[ 1165.300549]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1165.305650]  ? find_get_entry+0x3e1/0xa00
[ 1165.309805]  ? find_get_pages_contig+0xed0/0xed0
[ 1165.314583]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1165.320151]  alloc_pages_current+0x107/0x210
[ 1165.324603]  __page_cache_alloc+0x2bd/0x450
[ 1165.329037]  ? kasan_check_read+0x11/0x20
[ 1165.333194]  filemap_fault+0xfeb/0x1f00
[ 1165.337190]  ? lock_downgrade+0x880/0x880
[ 1165.341357]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1165.346030]  ? lock_acquire+0x16f/0x3f0
[ 1165.350102]  ? ext4_filemap_fault+0x7b/0xaf
[ 1165.354448]  ext4_filemap_fault+0x83/0xaf
[ 1165.358601]  __do_fault+0x111/0x480
[ 1165.362258]  __handle_mm_fault+0x2d78/0x3f80
[ 1165.366677]  ? copy_page_range+0x2030/0x2030
[ 1165.371113]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1165.375790]  handle_mm_fault+0x1b5/0x690
[ 1165.379875]  __do_page_fault+0x62a/0xe90
[ 1165.383960]  ? vmalloc_fault+0x740/0x740
[ 1165.388027]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1165.393053]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1165.398024]  ? page_fault+0x8/0x30
[ 1165.401571]  do_page_fault+0x71/0x57d
[ 1165.405389]  ? page_fault+0x8/0x30
[ 1165.408952]  page_fault+0x1e/0x30
[ 1165.412414] RIP: 0033:0x45b153
[ 1165.415688] Code: Bad RIP value.
[ 1165.419049] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1165.424422] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1165.431824] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1165.439153] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1165.446924] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1165.454207] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1165.461626] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1165.461687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1165.469354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1165.469383] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1165.475985] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1165.485232] Call Trace:
[ 1165.492370] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1165.502623]  <IRQ>
[ 1165.512159]  dump_stack+0x197/0x210
[ 1165.515808]  warn_alloc.cold+0x7b/0x173
[ 1165.519805]  ? zone_watermark_ok_safe+0x260/0x260
[ 1165.524649]  ? __cpuset_node_allowed+0x136/0x540
[ 1165.529421]  ? __isolate_free_page+0x4c0/0x4c0
[ 1165.534024]  ? wake_all_kswapds+0x14d/0x300
[ 1165.538503]  __alloc_pages_slowpath+0x2214/0x2870
[ 1165.543390]  ? warn_alloc+0x110/0x110
[ 1165.547203]  ? __lock_acquire+0x6ee/0x49c0
[ 1165.551458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1165.557022]  ? should_fail+0x14d/0x85c
[ 1165.561035]  ? __isolate_free_page+0x4c0/0x4c0
[ 1165.565659]  __alloc_pages_nodemask+0x617/0x750
[ 1165.570445]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1165.575577]  ? find_held_lock+0x35/0x130
[ 1165.579702]  cache_grow_begin+0x91/0x8c0
[ 1165.583781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1165.589335]  ? __cpuset_node_allowed+0x136/0x540
[ 1165.594110]  fallback_alloc+0x1fd/0x2d0
[ 1165.598090]  ____cache_alloc_node+0x1be/0x1e0
[ 1165.602603]  kmem_cache_alloc_node+0xe3/0x710
[ 1165.607109]  ? mark_held_locks+0x100/0x100
[ 1165.611390]  __alloc_skb+0xd5/0x5f0
[ 1165.615046]  ? skb_trim+0x190/0x190
[ 1165.618698]  ? __local_bh_enable_ip+0x15a/0x270
[ 1165.623510]  ? lock_downgrade+0x880/0x880
[ 1165.627678]  ndisc_alloc_skb+0x13c/0x340
[ 1165.631778]  ndisc_send_rs+0x7c/0x6e0
[ 1165.635598]  addrconf_rs_timer+0x30f/0x680
[ 1165.639851]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.644106]  call_timer_fn+0x18d/0x720
[ 1165.648012]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.652261]  ? process_timeout+0x40/0x40
[ 1165.656322]  ? run_timer_softirq+0x644/0x16a0
[ 1165.660850]  ? trace_hardirqs_on+0x67/0x220
[ 1165.665312]  ? ipv6_get_lladdr+0x490/0x490
[ 1165.669575]  run_timer_softirq+0x64f/0x16a0
[ 1165.673927]  ? add_timer+0xbe0/0xbe0
[ 1165.677647]  ? __lock_is_held+0xb6/0x140
[ 1165.681735]  __do_softirq+0x25c/0x921
[ 1165.685544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1165.691098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1165.696695]  irq_exit+0x180/0x1d0
[ 1165.700179]  smp_apic_timer_interrupt+0x13b/0x550
[ 1165.705042]  apic_timer_interrupt+0xf/0x20
[ 1165.709435]  </IRQ>
[ 1165.711684] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1165.716624] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1165.735561] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1165.743303] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1165.750661] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1165.757945] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1165.765344] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1165.772643] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1165.779953]  ? find_held_lock+0x35/0x130
[ 1165.784020]  ? process_one_work+0x890/0x1750
[ 1165.788495]  skb_clone+0x156/0x3e0
[ 1165.792065]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1165.798426]  process_one_work+0x989/0x1750
[ 1165.802690]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1165.807363]  ? lock_acquire+0x16f/0x3f0
[ 1165.811358]  ? kasan_check_write+0x14/0x20
[ 1165.815595]  ? do_raw_spin_lock+0xd7/0x250
[ 1165.819852]  worker_thread+0x98/0xe40
[ 1165.823655]  ? trace_hardirqs_on+0x67/0x220
[ 1165.828140]  kthread+0x354/0x420
[ 1165.831530]  ? process_one_work+0x1750/0x1750
[ 1165.836062]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1165.841973]  ret_from_fork+0x24/0x30
[ 1165.845709] warn_alloc_show_mem: 1 callbacks suppressed
[ 1165.845719] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1165.845721] Mem-Info:
[ 1165.845750] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1165.845750]  active_file:13 inactive_file:13 isolated_file:0
[ 1165.845750]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1165.845750]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1165.845750]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1165.845750]  free:10948 free_pcp:188 free_cma:0
[ 1165.851100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1165.859710] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1165.862142] Call Trace:
[ 1165.895130] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1165.904476]  <IRQ>
[ 1165.932585] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1165.935190]  dump_stack+0x197/0x210
[ 1165.961040] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1165.963208]  warn_alloc.cold+0x7b/0x173
[ 1165.989580] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1165.993218]  ? zone_watermark_ok_safe+0x260/0x260
[ 1165.998343] lowmem_reserve[]: 0 0 1 1 1
[ 1166.002365]  ? __cpuset_node_allowed+0x136/0x540
[ 1166.033706] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1166.038579]  ? __isolate_free_page+0x4c0/0x4c0
[ 1166.042556] lowmem_reserve[]: 0 0 0 0 0
[ 1166.047320]  ? wake_all_kswapds+0x14d/0x300
[ 1166.073070] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1166.077786]  __alloc_pages_slowpath+0x2214/0x2870
[ 1166.081758] lowmem_reserve[]: 0 0 0 0 0
[ 1166.086125]  ? warn_alloc+0x110/0x110
[ 1166.113949] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1166.118814]  ? __lock_acquire+0x6ee/0x49c0
[ 1166.122880] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1166.126695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1166.139354] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1166.143628]  ? should_fail+0x14d/0x85c
[ 1166.158950] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1166.164515]  ? __isolate_free_page+0x4c0/0x4c0
[ 1166.175157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1166.179090]  __alloc_pages_nodemask+0x617/0x750
[ 1166.194882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1166.194897] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1166.199502]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1166.208322] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1166.212995]  ? find_held_lock+0x35/0x130
[ 1166.221562] 279 total pagecache pages
[ 1166.230415]  cache_grow_begin+0x91/0x8c0
[ 1166.235436] 0 pages in swap cache
[ 1166.244037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1166.248082] Swap cache stats: add 0, delete 0, find 0/0
[ 1166.248090] Free swap  = 0kB
[ 1166.251914]  ? __cpuset_node_allowed+0x136/0x540
[ 1166.255958] Total swap = 0kB
[ 1166.255968] 1965979 pages RAM
[ 1166.259434]  fallback_alloc+0x1fd/0x2d0
[ 1166.264978] 0 pages HighMem/MovableOnly
[ 1166.264991] 341741 pages reserved
[ 1166.270378]  ____cache_alloc_node+0x1be/0x1e0
[ 1166.273369] 0 pages cma reserved
[ 1166.278132]  kmem_cache_alloc_node+0xe3/0x710
[ 1166.281190] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1166.284250]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1166.284273]  __alloc_skb+0xd5/0x5f0
[ 1166.284292]  ? skb_trim+0x190/0x190
[ 1166.288433] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1166.292365]  ? kasan_check_read+0x11/0x20
[ 1166.295793] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1166.300577]  ndisc_alloc_skb+0x13c/0x340
[ 1166.352119]  ndisc_send_rs+0x35f/0x6e0
[ 1166.356029]  addrconf_rs_timer+0x30f/0x680
[ 1166.360261]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.364626]  call_timer_fn+0x18d/0x720
[ 1166.368530]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.372848]  ? process_timeout+0x40/0x40
[ 1166.376959]  ? run_timer_softirq+0x644/0x16a0
[ 1166.381461]  ? trace_hardirqs_on+0x67/0x220
[ 1166.385798]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.390060]  run_timer_softirq+0x64f/0x16a0
[ 1166.394550]  ? add_timer+0xbe0/0xbe0
[ 1166.398291]  ? __lock_is_held+0xb6/0x140
[ 1166.402366]  __do_softirq+0x25c/0x921
[ 1166.406168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1166.411714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1166.417270]  irq_exit+0x180/0x1d0
[ 1166.420738]  smp_apic_timer_interrupt+0x13b/0x550
[ 1166.425608]  apic_timer_interrupt+0xf/0x20
[ 1166.429835]  </IRQ>
[ 1166.432091] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1166.436990] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1166.455919] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1166.463624] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1166.470917] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1166.478182] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1166.485450] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1166.492853] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1166.500135]  ? netconsole_netdev_event+0x280/0x280
[ 1166.505084]  ? console_unlock+0xf36/0x10d0
[ 1166.509455]  vprintk_emit+0x280/0x6d0
[ 1166.513270]  vprintk_default+0x28/0x30
[ 1166.517158]  vprintk_func+0x7e/0x189
[ 1166.520877]  printk+0xba/0xed
[ 1166.523999]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1166.528764]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1166.533277]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1166.538310]  dump_header+0x44b/0xa55
[ 1166.542035]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1166.547152]  ? ___ratelimit+0x60/0x595
[ 1166.551046]  ? do_raw_spin_unlock+0x181/0x270
[ 1166.555552]  oom_kill_process.cold+0x10/0x6ef
[ 1166.560058]  ? lock_downgrade+0x880/0x880
[ 1166.564291]  ? kasan_check_read+0x11/0x20
[ 1166.568548]  out_of_memory+0x362/0x1330
[ 1166.572527]  ? oom_killer_disable+0x280/0x280
[ 1166.577035]  ? mutex_trylock+0x18e/0x1e0
[ 1166.581106]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1166.586052]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1166.590924]  ? warn_alloc+0x110/0x110
[ 1166.594721]  ? __lock_is_held+0xb6/0x140
[ 1166.598834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1166.604396]  ? should_fail+0x14d/0x85c
[ 1166.608298]  ? __might_sleep+0x95/0x190
[ 1166.612283]  __alloc_pages_nodemask+0x617/0x750
[ 1166.616951]  ? kasan_check_read+0x11/0x20
[ 1166.621113]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1166.626150]  ? find_get_entry+0x3e1/0xa00
[ 1166.630434]  ? find_get_pages_contig+0xed0/0xed0
[ 1166.635198]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1166.640747]  alloc_pages_current+0x107/0x210
[ 1166.645161]  __page_cache_alloc+0x2bd/0x450
[ 1166.649504]  ? kasan_check_read+0x11/0x20
[ 1166.653672]  filemap_fault+0xfeb/0x1f00
[ 1166.657663]  ? lock_downgrade+0x880/0x880
[ 1166.661832]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1166.666540]  ? lock_acquire+0x16f/0x3f0
[ 1166.670557]  ? ext4_filemap_fault+0x7b/0xaf
[ 1166.674888]  ext4_filemap_fault+0x83/0xaf
[ 1166.679050]  __do_fault+0x111/0x480
[ 1166.682685]  __handle_mm_fault+0x2d78/0x3f80
[ 1166.687095]  ? copy_page_range+0x2030/0x2030
[ 1166.691541]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1166.696218]  handle_mm_fault+0x1b5/0x690
[ 1166.700423]  __do_page_fault+0x62a/0xe90
[ 1166.705637]  ? vmalloc_fault+0x740/0x740
[ 1166.709704]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1166.714712]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1166.719663]  ? page_fault+0x8/0x30
[ 1166.723231]  do_page_fault+0x71/0x57d
[ 1166.727037]  ? page_fault+0x8/0x30
[ 1166.730600]  page_fault+0x1e/0x30
[ 1166.734184] RIP: 0033:0x45b153
[ 1166.737434] Code: Bad RIP value.
[ 1166.740803] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1166.746168] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1166.753446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1166.760724] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1166.768032] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1166.776099] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1166.783391] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1166.783453] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1166.791233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1166.797845] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1166.808009] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1166.818226] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1166.825332] Call Trace:
[ 1166.832649]  <IRQ>
[ 1166.834945]  dump_stack+0x197/0x210
[ 1166.838714]  warn_alloc.cold+0x7b/0x173
[ 1166.842692]  ? zone_watermark_ok_safe+0x260/0x260
[ 1166.847567]  ? __cpuset_node_allowed+0x136/0x540
[ 1166.852364]  ? __isolate_free_page+0x4c0/0x4c0
[ 1166.856963]  ? wake_all_kswapds+0x14d/0x300
[ 1166.861303]  __alloc_pages_slowpath+0x2214/0x2870
[ 1166.866180]  ? warn_alloc+0x110/0x110
[ 1166.870001]  ? __lock_acquire+0x6ee/0x49c0
[ 1166.874246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1166.879782]  ? should_fail+0x14d/0x85c
[ 1166.883801]  ? __isolate_free_page+0x4c0/0x4c0
[ 1166.888399]  __alloc_pages_nodemask+0x617/0x750
[ 1166.893102]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1166.898127]  ? find_held_lock+0x35/0x130
[ 1166.902201]  cache_grow_begin+0x91/0x8c0
[ 1166.906278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1166.911836]  ? __cpuset_node_allowed+0x136/0x540
[ 1166.916614]  fallback_alloc+0x1fd/0x2d0
[ 1166.920625]  ____cache_alloc_node+0x1be/0x1e0
[ 1166.925118]  kmem_cache_alloc_node+0xe3/0x710
[ 1166.929627]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1166.933876]  __alloc_skb+0xd5/0x5f0
[ 1166.937509]  ? skb_trim+0x190/0x190
[ 1166.941138]  ? kasan_check_read+0x11/0x20
[ 1166.945309]  ndisc_alloc_skb+0x13c/0x340
[ 1166.949377]  ndisc_send_rs+0x35f/0x6e0
[ 1166.953359]  addrconf_rs_timer+0x30f/0x680
[ 1166.957784]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.962040]  call_timer_fn+0x18d/0x720
[ 1166.966032]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.970396]  ? process_timeout+0x40/0x40
[ 1166.974487]  ? run_timer_softirq+0x644/0x16a0
[ 1166.979023]  ? trace_hardirqs_on+0x67/0x220
[ 1166.983348]  ? ipv6_get_lladdr+0x490/0x490
[ 1166.987584]  run_timer_softirq+0x64f/0x16a0
[ 1166.991912]  ? add_timer+0xbe0/0xbe0
[ 1166.995646]  ? __lock_is_held+0xb6/0x140
[ 1166.999717]  __do_softirq+0x25c/0x921
[ 1167.003640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1167.009191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1167.014741]  irq_exit+0x180/0x1d0
[ 1167.018194]  smp_apic_timer_interrupt+0x13b/0x550
[ 1167.023041]  apic_timer_interrupt+0xf/0x20
[ 1167.027265]  </IRQ>
[ 1167.029513] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1167.034447] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1167.055993] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1167.063800] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1167.071158] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1167.078430] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1167.085698] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1167.092992] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1167.100286]  ? find_held_lock+0x35/0x130
[ 1167.104545]  ? process_one_work+0x890/0x1750
[ 1167.109318]  skb_clone+0x156/0x3e0
[ 1167.112979]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1167.119430]  process_one_work+0x989/0x1750
[ 1167.123686]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1167.128355]  ? lock_acquire+0x16f/0x3f0
[ 1167.132331]  ? kasan_check_write+0x14/0x20
[ 1167.136577]  ? do_raw_spin_lock+0xd7/0x250
[ 1167.140821]  worker_thread+0x98/0xe40
[ 1167.144629]  ? trace_hardirqs_on+0x67/0x220
[ 1167.148958]  kthread+0x354/0x420
[ 1167.152338]  ? process_one_work+0x1750/0x1750
[ 1167.156852]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1167.162596]  ret_from_fork+0x24/0x30
[ 1167.166332] warn_alloc_show_mem: 1 callbacks suppressed
[ 1167.166342] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1167.166344] Mem-Info:
[ 1167.166376] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1167.166376]  active_file:13 inactive_file:13 isolated_file:0
[ 1167.166376]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1167.166376]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1167.166376]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1167.166376]  free:10948 free_pcp:188 free_cma:0
[ 1167.171733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1167.171741] Call Trace:
[ 1167.179298] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1167.181704]  <IRQ>
[ 1167.214779] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1167.224482]  dump_stack+0x197/0x210
[ 1167.227037] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1167.255000]  warn_alloc.cold+0x7b/0x173
[ 1167.257124] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1167.284487]  ? zone_watermark_ok_safe+0x260/0x260
[ 1167.288205] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1167.314356]  ? __cpuset_node_allowed+0x136/0x540
[ 1167.318330] lowmem_reserve[]: 0 0 1 1 1
[ 1167.323482]  ? __isolate_free_page+0x4c0/0x4c0
[ 1167.328309] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1167.357166]  ? wake_all_kswapds+0x14d/0x300
[ 1167.361995] lowmem_reserve[]: 0 0 0 0 0
[ 1167.366031]  __alloc_pages_slowpath+0x2214/0x2870
[ 1167.370601] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1167.396417]  ? warn_alloc+0x110/0x110
[ 1167.400724] lowmem_reserve[]: 0 0 0 0 0
[ 1167.404744]  ? __lock_acquire+0x6ee/0x49c0
[ 1167.409585] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1167.437503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1167.441285] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1167.445386]  ? should_fail+0x14d/0x85c
[ 1167.449637] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1167.462144]  ? __isolate_free_page+0x4c0/0x4c0
[ 1167.467671] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1167.483058]  __alloc_pages_nodemask+0x617/0x750
[ 1167.486922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1167.497590]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1167.502188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1167.517998]  ? find_held_lock+0x35/0x130
[ 1167.522755] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1167.531616]  cache_grow_begin+0x91/0x8c0
[ 1167.536641] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1167.545243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1167.549306] 279 total pagecache pages
[ 1167.558172]  ? __cpuset_node_allowed+0x136/0x540
[ 1167.562211] 0 pages in swap cache
[ 1167.571065]  fallback_alloc+0x1fd/0x2d0
[ 1167.576699] Swap cache stats: add 0, delete 0, find 0/0
[ 1167.580509]  ____cache_alloc_node+0x1be/0x1e0
[ 1167.585251] Free swap  = 0kB
[ 1167.588718]  kmem_cache_alloc_node+0xe3/0x710
[ 1167.594669] Total swap = 0kB
[ 1167.600040]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1167.604516] 1965979 pages RAM
[ 1167.607535]  __alloc_skb+0xd5/0x5f0
[ 1167.611998] 0 pages HighMem/MovableOnly
[ 1167.612007] 341741 pages reserved
[ 1167.615040]  ? skb_trim+0x190/0x190
[ 1167.619249] 0 pages cma reserved
[ 1167.619318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1167.622377]  ? kasan_check_read+0x11/0x20
[ 1167.622406]  ndisc_alloc_skb+0x13c/0x340
[ 1167.626072] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1167.629999]  ndisc_send_rs+0x35f/0x6e0
[ 1167.633504] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1167.637160]  addrconf_rs_timer+0x30f/0x680
[ 1167.678647]  ? ipv6_get_lladdr+0x490/0x490
[ 1167.682888]  call_timer_fn+0x18d/0x720
[ 1167.686770]  ? ipv6_get_lladdr+0x490/0x490
[ 1167.691014]  ? process_timeout+0x40/0x40
[ 1167.695081]  ? run_timer_softirq+0x644/0x16a0
[ 1167.699591]  ? trace_hardirqs_on+0x67/0x220
[ 1167.703931]  ? ipv6_get_lladdr+0x490/0x490
[ 1167.708163]  run_timer_softirq+0x64f/0x16a0
[ 1167.712495]  ? add_timer+0xbe0/0xbe0
[ 1167.716207]  ? __lock_is_held+0xb6/0x140
[ 1167.720430]  __do_softirq+0x25c/0x921
[ 1167.724230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1167.729779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1167.735333]  irq_exit+0x180/0x1d0
[ 1167.738801]  smp_apic_timer_interrupt+0x13b/0x550
[ 1167.743650]  apic_timer_interrupt+0xf/0x20
[ 1167.747991]  </IRQ>
[ 1167.750226] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1167.755069] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1167.773978] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1167.781799] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1167.789089] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1167.796365] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1167.803628] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1167.811013] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1167.818441]  ? netconsole_netdev_event+0x280/0x280
[ 1167.823373]  ? console_unlock+0xf36/0x10d0
[ 1167.827616]  vprintk_emit+0x280/0x6d0
[ 1167.831433]  vprintk_default+0x28/0x30
[ 1167.835334]  vprintk_func+0x7e/0x189
[ 1167.839061]  printk+0xba/0xed
[ 1167.842171]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1167.846968]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1167.851488]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1167.856531]  dump_header+0x44b/0xa55
[ 1167.860245]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1167.865504]  ? ___ratelimit+0x60/0x595
[ 1167.869389]  ? do_raw_spin_unlock+0x181/0x270
[ 1167.873885]  oom_kill_process.cold+0x10/0x6ef
[ 1167.878419]  ? lock_downgrade+0x880/0x880
[ 1167.882566]  ? kasan_check_read+0x11/0x20
[ 1167.886717]  out_of_memory+0x362/0x1330
[ 1167.890712]  ? oom_killer_disable+0x280/0x280
[ 1167.895215]  ? mutex_trylock+0x18e/0x1e0
[ 1167.899292]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1167.904254]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1167.909125]  ? warn_alloc+0x110/0x110
[ 1167.912926]  ? __lock_is_held+0xb6/0x140
[ 1167.917003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1167.922657]  ? should_fail+0x14d/0x85c
[ 1167.926563]  ? __might_sleep+0x95/0x190
[ 1167.930548]  __alloc_pages_nodemask+0x617/0x750
[ 1167.935240]  ? kasan_check_read+0x11/0x20
[ 1167.939391]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1167.944422]  ? find_get_entry+0x3e1/0xa00
[ 1167.948579]  ? find_get_pages_contig+0xed0/0xed0
[ 1167.953349]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1167.958906]  alloc_pages_current+0x107/0x210
[ 1167.963494]  __page_cache_alloc+0x2bd/0x450
[ 1167.967838]  ? kasan_check_read+0x11/0x20
[ 1167.971994]  filemap_fault+0xfeb/0x1f00
[ 1167.975966]  ? lock_downgrade+0x880/0x880
[ 1167.980121]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1167.984812]  ? lock_acquire+0x16f/0x3f0
[ 1167.988788]  ? ext4_filemap_fault+0x7b/0xaf
[ 1167.993128]  ext4_filemap_fault+0x83/0xaf
[ 1167.997293]  __do_fault+0x111/0x480
[ 1168.000937]  __handle_mm_fault+0x2d78/0x3f80
[ 1168.005342]  ? copy_page_range+0x2030/0x2030
[ 1168.009773]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1168.014456]  handle_mm_fault+0x1b5/0x690
[ 1168.018537]  __do_page_fault+0x62a/0xe90
[ 1168.022602]  ? vmalloc_fault+0x740/0x740
[ 1168.026659]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1168.031694]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1168.036628]  ? page_fault+0x8/0x30
[ 1168.040165]  do_page_fault+0x71/0x57d
[ 1168.043985]  ? page_fault+0x8/0x30
[ 1168.047542]  page_fault+0x1e/0x30
[ 1168.051002] RIP: 0033:0x45b153
[ 1168.054200] Code: Bad RIP value.
[ 1168.057576] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1168.062956] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1168.070243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1168.077515] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1168.084784] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1168.092047] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1168.099335] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1168.099400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1168.107058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1168.107085] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1168.107091] Call Trace:
[ 1168.107097]  <IRQ>
[ 1168.107116]  dump_stack+0x197/0x210
[ 1168.107142]  warn_alloc.cold+0x7b/0x173
[ 1168.113698] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1168.122991]  ? zone_watermark_ok_safe+0x260/0x260
[ 1168.130075] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1168.132659]  ? __cpuset_node_allowed+0x136/0x540
[ 1168.167086]  ? __isolate_free_page+0x4c0/0x4c0
[ 1168.171706]  ? wake_all_kswapds+0x14d/0x300
[ 1168.176062]  __alloc_pages_slowpath+0x2214/0x2870
[ 1168.180946]  ? warn_alloc+0x110/0x110
[ 1168.184760]  ? __lock_acquire+0x6ee/0x49c0
[ 1168.189024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1168.194562]  ? should_fail+0x14d/0x85c
[ 1168.198464]  ? __isolate_free_page+0x4c0/0x4c0
[ 1168.203053]  __alloc_pages_nodemask+0x617/0x750
[ 1168.207724]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1168.212760]  ? find_held_lock+0x35/0x130
[ 1168.216838]  cache_grow_begin+0x91/0x8c0
[ 1168.220910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1168.226466]  ? __cpuset_node_allowed+0x136/0x540
[ 1168.231346]  fallback_alloc+0x1fd/0x2d0
[ 1168.235321]  ____cache_alloc_node+0x1be/0x1e0
[ 1168.239840]  kmem_cache_alloc_node+0xe3/0x710
[ 1168.244363]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1168.248611]  __alloc_skb+0xd5/0x5f0
[ 1168.252235]  ? skb_trim+0x190/0x190
[ 1168.255923]  ? kasan_check_read+0x11/0x20
[ 1168.260096]  ndisc_alloc_skb+0x13c/0x340
[ 1168.264159]  ndisc_send_rs+0x35f/0x6e0
[ 1168.268062]  addrconf_rs_timer+0x30f/0x680
[ 1168.272297]  ? ipv6_get_lladdr+0x490/0x490
[ 1168.276538]  call_timer_fn+0x18d/0x720
[ 1168.280436]  ? ipv6_get_lladdr+0x490/0x490
[ 1168.284673]  ? process_timeout+0x40/0x40
[ 1168.288742]  ? run_timer_softirq+0x644/0x16a0
[ 1168.293269]  ? trace_hardirqs_on+0x67/0x220
[ 1168.297620]  ? ipv6_get_lladdr+0x490/0x490
[ 1168.301869]  run_timer_softirq+0x64f/0x16a0
[ 1168.306189]  ? add_timer+0xbe0/0xbe0
[ 1168.309904]  ? __lock_is_held+0xb6/0x140
[ 1168.314094]  __do_softirq+0x25c/0x921
[ 1168.317901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1168.323444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1168.328988]  irq_exit+0x180/0x1d0
[ 1168.332444]  smp_apic_timer_interrupt+0x13b/0x550
[ 1168.337307]  apic_timer_interrupt+0xf/0x20
[ 1168.341535]  </IRQ>
[ 1168.343787] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1168.348754] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1168.367675] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1168.375921] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1168.383298] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1168.390580] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1168.397871] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1168.405152] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1168.412462]  ? find_held_lock+0x35/0x130
[ 1168.416526]  ? process_one_work+0x890/0x1750
[ 1168.420936]  skb_clone+0x156/0x3e0
[ 1168.424486]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1168.432102]  process_one_work+0x989/0x1750
[ 1168.436348]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1168.441027]  ? lock_acquire+0x16f/0x3f0
[ 1168.445004]  ? kasan_check_write+0x14/0x20
[ 1168.449233]  ? do_raw_spin_lock+0xd7/0x250
[ 1168.453470]  worker_thread+0x98/0xe40
[ 1168.457285]  ? trace_hardirqs_on+0x67/0x220
[ 1168.461618]  kthread+0x354/0x420
[ 1168.464981]  ? process_one_work+0x1750/0x1750
[ 1168.469474]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1168.475026]  ret_from_fork+0x24/0x30
[ 1168.478762] warn_alloc_show_mem: 1 callbacks suppressed
[ 1168.478773] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1168.478775] Mem-Info:
[ 1168.478804] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1168.478804]  active_file:13 inactive_file:13 isolated_file:0
[ 1168.478804]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1168.478804]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1168.478804]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1168.478804]  free:10948 free_pcp:188 free_cma:0
[ 1168.484149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1168.484158] Call Trace:
[ 1168.491629] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1168.494023]  <IRQ>
[ 1168.527105] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1168.536570]  dump_stack+0x197/0x210
[ 1168.539130] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1168.566731]  warn_alloc.cold+0x7b/0x173
[ 1168.568855] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1168.594726]  ? zone_watermark_ok_safe+0x260/0x260
[ 1168.598341] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1168.624485]  ? __cpuset_node_allowed+0x136/0x540
[ 1168.628430] lowmem_reserve[]: 0 0 1 1 1
[ 1168.633640]  ? __isolate_free_page+0x4c0/0x4c0
[ 1168.638457] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1168.667558]  ? wake_all_kswapds+0x14d/0x300
[ 1168.672301] lowmem_reserve[]: 0 0 0 0 0
[ 1168.676298]  __alloc_pages_slowpath+0x2214/0x2870
[ 1168.680875] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1168.706809]  ? warn_alloc+0x110/0x110
[ 1168.711198] lowmem_reserve[]: 0 0 0 0 0
[ 1168.715255]  ? __lock_acquire+0x6ee/0x49c0
[ 1168.720079] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1168.748101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1168.751902] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1168.755881]  ? should_fail+0x14d/0x85c
[ 1168.760139] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1168.772689]  ? __isolate_free_page+0x4c0/0x4c0
[ 1168.778205] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1168.793491]  __alloc_pages_nodemask+0x617/0x750
[ 1168.797376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1168.808165]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1168.812727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1168.828617]  ? find_held_lock+0x35/0x130
[ 1168.833271] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1168.842113]  cache_grow_begin+0x91/0x8c0
[ 1168.847126] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1168.855926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1168.859993] 279 total pagecache pages
[ 1168.868842]  ? __cpuset_node_allowed+0x136/0x540
[ 1168.872883] 0 pages in swap cache
[ 1168.881463]  fallback_alloc+0x1fd/0x2d0
[ 1168.886990] Swap cache stats: add 0, delete 0, find 0/0
[ 1168.886999] Free swap  = 0kB
[ 1168.890893]  ____cache_alloc_node+0x1be/0x1e0
[ 1168.895611] Total swap = 0kB
[ 1168.899087]  kmem_cache_alloc_node+0xe3/0x710
[ 1168.903043] 1965979 pages RAM
[ 1168.908860]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1168.911859] 0 pages HighMem/MovableOnly
[ 1168.916352]  __alloc_skb+0xd5/0x5f0
[ 1168.919357] 341741 pages reserved
[ 1168.919366] 0 pages cma reserved
[ 1168.923871]  ? skb_trim+0x190/0x190
[ 1168.927029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1168.931189]  ? kasan_check_read+0x11/0x20
[ 1168.931217]  ndisc_alloc_skb+0x13c/0x340
[ 1168.935280] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1168.938825]  ndisc_send_rs+0x35f/0x6e0
[ 1168.942254] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1168.945617]  addrconf_rs_timer+0x30f/0x680
[ 1168.987338]  ? ipv6_get_lladdr+0x490/0x490
[ 1168.991768]  call_timer_fn+0x18d/0x720
[ 1168.995656]  ? ipv6_get_lladdr+0x490/0x490
[ 1168.999883]  ? process_timeout+0x40/0x40
[ 1169.003948]  ? run_timer_softirq+0x644/0x16a0
[ 1169.008445]  ? trace_hardirqs_on+0x67/0x220
[ 1169.012784]  ? ipv6_get_lladdr+0x490/0x490
[ 1169.017040]  run_timer_softirq+0x64f/0x16a0
[ 1169.021392]  ? add_timer+0xbe0/0xbe0
[ 1169.025104]  ? __lock_is_held+0xb6/0x140
[ 1169.029175]  __do_softirq+0x25c/0x921
[ 1169.032990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1169.038558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1169.044106]  irq_exit+0x180/0x1d0
[ 1169.047560]  smp_apic_timer_interrupt+0x13b/0x550
[ 1169.052421]  apic_timer_interrupt+0xf/0x20
[ 1169.056644]  </IRQ>
[ 1169.058873] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1169.063725] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1169.082657] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1169.090375] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1169.099651] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1169.106925] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1169.114197] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1169.121474] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1169.128868]  ? netconsole_netdev_event+0x280/0x280
[ 1169.133819]  ? console_unlock+0xf36/0x10d0
[ 1169.138084]  vprintk_emit+0x280/0x6d0
[ 1169.141893]  vprintk_default+0x28/0x30
[ 1169.145786]  vprintk_func+0x7e/0x189
[ 1169.149498]  printk+0xba/0xed
[ 1169.152597]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1169.157351]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1169.161848]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1169.166880]  dump_header+0x44b/0xa55
[ 1169.170610]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1169.175709]  ? ___ratelimit+0x60/0x595
[ 1169.179591]  ? do_raw_spin_unlock+0x181/0x270
[ 1169.184098]  oom_kill_process.cold+0x10/0x6ef
[ 1169.188606]  ? lock_downgrade+0x880/0x880
[ 1169.192758]  ? kasan_check_read+0x11/0x20
[ 1169.196907]  out_of_memory+0x362/0x1330
[ 1169.200882]  ? oom_killer_disable+0x280/0x280
[ 1169.205368]  ? mutex_trylock+0x18e/0x1e0
[ 1169.209433]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1169.214357]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1169.219205]  ? warn_alloc+0x110/0x110
[ 1169.222995]  ? __lock_is_held+0xb6/0x140
[ 1169.227056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1169.232587]  ? should_fail+0x14d/0x85c
[ 1169.236485]  ? __might_sleep+0x95/0x190
[ 1169.240454]  __alloc_pages_nodemask+0x617/0x750
[ 1169.245387]  ? kasan_check_read+0x11/0x20
[ 1169.249545]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1169.254560]  ? find_get_entry+0x3e1/0xa00
[ 1169.258736]  ? find_get_pages_contig+0xed0/0xed0
[ 1169.263492]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1169.269034]  alloc_pages_current+0x107/0x210
[ 1169.274479]  __page_cache_alloc+0x2bd/0x450
[ 1169.278793]  ? kasan_check_read+0x11/0x20
[ 1169.282936]  filemap_fault+0xfeb/0x1f00
[ 1169.286903]  ? lock_downgrade+0x880/0x880
[ 1169.291050]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1169.295710]  ? lock_acquire+0x16f/0x3f0
[ 1169.299689]  ? ext4_filemap_fault+0x7b/0xaf
[ 1169.304023]  ext4_filemap_fault+0x83/0xaf
[ 1169.308170]  __do_fault+0x111/0x480
[ 1169.311793]  __handle_mm_fault+0x2d78/0x3f80
[ 1169.316204]  ? copy_page_range+0x2030/0x2030
[ 1169.320621]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1169.325285]  handle_mm_fault+0x1b5/0x690
[ 1169.329344]  __do_page_fault+0x62a/0xe90
[ 1169.333402]  ? vmalloc_fault+0x740/0x740
[ 1169.337458]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1169.342464]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1169.347398]  ? page_fault+0x8/0x30
[ 1169.350936]  do_page_fault+0x71/0x57d
[ 1169.354851]  ? page_fault+0x8/0x30
[ 1169.358407]  page_fault+0x1e/0x30
[ 1169.361861] RIP: 0033:0x45b153
[ 1169.365067] Code: Bad RIP value.
[ 1169.368434] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1169.373809] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1169.381093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1169.388362] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1169.395626] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1169.402888] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1169.410177] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1169.410237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1169.417896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1169.417923] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1169.417933] Call Trace:
[ 1169.424497] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1169.433763]  <IRQ>
[ 1169.440846] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1169.443427]  dump_stack+0x197/0x210
[ 1169.464162]  warn_alloc.cold+0x7b/0x173
[ 1169.468150]  ? zone_watermark_ok_safe+0x260/0x260
[ 1169.473006]  ? __cpuset_node_allowed+0x136/0x540
[ 1169.477780]  ? __isolate_free_page+0x4c0/0x4c0
[ 1169.482362]  ? wake_all_kswapds+0x14d/0x300
[ 1169.486816]  __alloc_pages_slowpath+0x2214/0x2870
[ 1169.491805]  ? warn_alloc+0x110/0x110
[ 1169.495603]  ? __lock_acquire+0x6ee/0x49c0
[ 1169.499848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1169.505403]  ? should_fail+0x14d/0x85c
[ 1169.509292]  ? __isolate_free_page+0x4c0/0x4c0
[ 1169.513876]  __alloc_pages_nodemask+0x617/0x750
[ 1169.518662]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1169.523727]  ? find_held_lock+0x35/0x130
[ 1169.527808]  cache_grow_begin+0x91/0x8c0
[ 1169.531890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1169.537439]  ? __cpuset_node_allowed+0x136/0x540
[ 1169.542301]  fallback_alloc+0x1fd/0x2d0
[ 1169.546280]  ____cache_alloc_node+0x1be/0x1e0
[ 1169.550790]  kmem_cache_alloc_node+0xe3/0x710
[ 1169.555295]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1169.559544]  __alloc_skb+0xd5/0x5f0
[ 1169.563184]  ? skb_trim+0x190/0x190
[ 1169.566922]  ? kasan_check_read+0x11/0x20
[ 1169.571092]  ndisc_alloc_skb+0x13c/0x340
[ 1169.575169]  ndisc_send_rs+0x35f/0x6e0
[ 1169.579074]  addrconf_rs_timer+0x30f/0x680
[ 1169.583319]  ? ipv6_get_lladdr+0x490/0x490
[ 1169.587571]  call_timer_fn+0x18d/0x720
[ 1169.591468]  ? ipv6_get_lladdr+0x490/0x490
[ 1169.595721]  ? process_timeout+0x40/0x40
[ 1169.599802]  ? run_timer_softirq+0x644/0x16a0
[ 1169.604345]  ? trace_hardirqs_on+0x67/0x220
[ 1169.608665]  ? ipv6_get_lladdr+0x490/0x490
[ 1169.612904]  run_timer_softirq+0x64f/0x16a0
[ 1169.617269]  ? add_timer+0xbe0/0xbe0
[ 1169.620984]  ? __lock_is_held+0xb6/0x140
[ 1169.625188]  __do_softirq+0x25c/0x921
[ 1169.628999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1169.634548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1169.640106]  irq_exit+0x180/0x1d0
[ 1169.643574]  smp_apic_timer_interrupt+0x13b/0x550
[ 1169.648434]  apic_timer_interrupt+0xf/0x20
[ 1169.652665]  </IRQ>
[ 1169.654899] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1169.659847] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1169.678767] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1169.686503] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1169.693777] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1169.701043] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1169.708323] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1169.715692] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1169.722984]  ? find_held_lock+0x35/0x130
[ 1169.727039]  ? process_one_work+0x890/0x1750
[ 1169.731439]  skb_clone+0x156/0x3e0
[ 1169.734977]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1169.741302]  process_one_work+0x989/0x1750
[ 1169.745538]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1169.750196]  ? lock_acquire+0x16f/0x3f0
[ 1169.754168]  ? kasan_check_write+0x14/0x20
[ 1169.758409]  ? do_raw_spin_lock+0xd7/0x250
[ 1169.762645]  worker_thread+0x98/0xe40
[ 1169.766438]  ? trace_hardirqs_on+0x67/0x220
[ 1169.770777]  kthread+0x354/0x420
[ 1169.774155]  ? process_one_work+0x1750/0x1750
[ 1169.778647]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1169.784188]  ret_from_fork+0x24/0x30
[ 1169.787907] warn_alloc_show_mem: 1 callbacks suppressed
[ 1169.787916] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1169.787918] Mem-Info:
[ 1169.787948] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1169.787948]  active_file:13 inactive_file:13 isolated_file:0
[ 1169.787948]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1169.787948]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1169.787948]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1169.787948]  free:10948 free_pcp:188 free_cma:0
[ 1169.793286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1169.800730] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1169.803121] Call Trace:
[ 1169.836118] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1169.845474]  <IRQ>
[ 1169.873411] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1169.876011]  dump_stack+0x197/0x210
[ 1169.901850] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1169.904012]  warn_alloc.cold+0x7b/0x173
[ 1169.930110] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1169.933762]  ? zone_watermark_ok_safe+0x260/0x260
[ 1169.938758] lowmem_reserve[]: 0 0 1 1 1
[ 1169.942752]  ? __cpuset_node_allowed+0x136/0x540
[ 1169.971535] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1169.976404]  ? __isolate_free_page+0x4c0/0x4c0
[ 1169.980346] lowmem_reserve[]: 0 0 0 0 0
[ 1169.985118]  ? wake_all_kswapds+0x14d/0x300
[ 1170.010876] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1170.015471]  __alloc_pages_slowpath+0x2214/0x2870
[ 1170.019397] lowmem_reserve[]: 0 0 0 0 0
[ 1170.023993]  ? warn_alloc+0x110/0x110
[ 1170.051745] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1170.056684]  ? __lock_acquire+0x6ee/0x49c0
[ 1170.060644] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1170.064449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1170.076901] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1170.081183]  ? should_fail+0x14d/0x85c
[ 1170.096425] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1170.101976]  ? __isolate_free_page+0x4c0/0x4c0
[ 1170.112617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1170.116523]  __alloc_pages_nodemask+0x617/0x750
[ 1170.132343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1170.136935]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1170.145770] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1170.150462]  ? find_held_lock+0x35/0x130
[ 1170.159023] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1170.164046]  cache_grow_begin+0x91/0x8c0
[ 1170.172868] 279 total pagecache pages
[ 1170.176949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1170.185490] 0 pages in swap cache
[ 1170.189545]  ? __cpuset_node_allowed+0x136/0x540
[ 1170.193326] Swap cache stats: add 0, delete 0, find 0/0
[ 1170.193335] Free swap  = 0kB
[ 1170.198889]  fallback_alloc+0x1fd/0x2d0
[ 1170.202435] Total swap = 0kB
[ 1170.207199]  ____cache_alloc_node+0x1be/0x1e0
[ 1170.212531] 1965979 pages RAM
[ 1170.215542]  kmem_cache_alloc_node+0xe3/0x710
[ 1170.219606] 0 pages HighMem/MovableOnly
[ 1170.219616] 341741 pages reserved
[ 1170.222637]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1170.229022] 0 pages cma reserved
[ 1170.232138]  __alloc_skb+0xd5/0x5f0
[ 1170.236665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1170.240581]  ? skb_trim+0x190/0x190
[ 1170.244085] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1170.248239]  ? kasan_check_read+0x11/0x20
[ 1170.251593] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1170.255219]  ndisc_alloc_skb+0x13c/0x340
[ 1170.288793]  ndisc_send_rs+0x35f/0x6e0
[ 1170.292678]  addrconf_rs_timer+0x30f/0x680
[ 1170.296922]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.301173]  call_timer_fn+0x18d/0x720
[ 1170.305053]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.309282]  ? process_timeout+0x40/0x40
[ 1170.313336]  ? run_timer_softirq+0x644/0x16a0
[ 1170.317824]  ? trace_hardirqs_on+0x67/0x220
[ 1170.322139]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.326367]  run_timer_softirq+0x64f/0x16a0
[ 1170.330749]  ? add_timer+0xbe0/0xbe0
[ 1170.334458]  ? __lock_is_held+0xb6/0x140
[ 1170.338520]  __do_softirq+0x25c/0x921
[ 1170.342311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1170.347843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1170.353398]  irq_exit+0x180/0x1d0
[ 1170.356848]  smp_apic_timer_interrupt+0x13b/0x550
[ 1170.361692]  apic_timer_interrupt+0xf/0x20
[ 1170.365926]  </IRQ>
[ 1170.368153] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1170.372992] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1170.391883] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1170.399581] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1170.406844] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1170.414106] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1170.421361] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1170.428618] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1170.435909]  ? netconsole_netdev_event+0x280/0x280
[ 1170.440853]  ? console_unlock+0xf36/0x10d0
[ 1170.445112]  vprintk_emit+0x280/0x6d0
[ 1170.448914]  vprintk_default+0x28/0x30
[ 1170.452796]  vprintk_func+0x7e/0x189
[ 1170.456505]  printk+0xba/0xed
[ 1170.459650]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1170.464407]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1170.468904]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1170.473917]  dump_header+0x44b/0xa55
[ 1170.477623]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1170.482727]  ? ___ratelimit+0x60/0x595
[ 1170.486607]  ? do_raw_spin_unlock+0x181/0x270
[ 1170.491102]  oom_kill_process.cold+0x10/0x6ef
[ 1170.495596]  ? lock_downgrade+0x880/0x880
[ 1170.499747]  ? kasan_check_read+0x11/0x20
[ 1170.503903]  out_of_memory+0x362/0x1330
[ 1170.507877]  ? oom_killer_disable+0x280/0x280
[ 1170.512367]  ? mutex_trylock+0x18e/0x1e0
[ 1170.516419]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1170.521344]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1170.526204]  ? warn_alloc+0x110/0x110
[ 1170.530000]  ? __lock_is_held+0xb6/0x140
[ 1170.534072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1170.539611]  ? should_fail+0x14d/0x85c
[ 1170.543518]  ? __might_sleep+0x95/0x190
[ 1170.547504]  __alloc_pages_nodemask+0x617/0x750
[ 1170.552169]  ? kasan_check_read+0x11/0x20
[ 1170.556414]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1170.561454]  ? find_get_entry+0x3e1/0xa00
[ 1170.565618]  ? find_get_pages_contig+0xed0/0xed0
[ 1170.570377]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1170.575927]  alloc_pages_current+0x107/0x210
[ 1170.580349]  __page_cache_alloc+0x2bd/0x450
[ 1170.584666]  ? kasan_check_read+0x11/0x20
[ 1170.588812]  filemap_fault+0xfeb/0x1f00
[ 1170.592780]  ? lock_downgrade+0x880/0x880
[ 1170.596938]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1170.601600]  ? lock_acquire+0x16f/0x3f0
[ 1170.605563]  ? ext4_filemap_fault+0x7b/0xaf
[ 1170.609884]  ext4_filemap_fault+0x83/0xaf
[ 1170.614024]  __do_fault+0x111/0x480
[ 1170.617641]  __handle_mm_fault+0x2d78/0x3f80
[ 1170.622041]  ? copy_page_range+0x2030/0x2030
[ 1170.626458]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1170.631120]  handle_mm_fault+0x1b5/0x690
[ 1170.635176]  __do_page_fault+0x62a/0xe90
[ 1170.639234]  ? vmalloc_fault+0x740/0x740
[ 1170.643307]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1170.648334]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1170.653278]  ? page_fault+0x8/0x30
[ 1170.656842]  do_page_fault+0x71/0x57d
[ 1170.660646]  ? page_fault+0x8/0x30
[ 1170.664182]  page_fault+0x1e/0x30
[ 1170.667625] RIP: 0033:0x45b153
[ 1170.670822] Code: Bad RIP value.
[ 1170.674175] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1170.679525] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1170.686794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1170.694069] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1170.701339] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1170.708605] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1170.715892] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1170.715952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1170.723603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1170.723629] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1170.730164] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1170.739464] Call Trace:
[ 1170.746548] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1170.756772]  <IRQ>
[ 1170.766221]  dump_stack+0x197/0x210
[ 1170.769850]  warn_alloc.cold+0x7b/0x173
[ 1170.773821]  ? zone_watermark_ok_safe+0x260/0x260
[ 1170.778674]  ? __cpuset_node_allowed+0x136/0x540
[ 1170.783430]  ? __isolate_free_page+0x4c0/0x4c0
[ 1170.788007]  ? wake_all_kswapds+0x14d/0x300
[ 1170.792330]  __alloc_pages_slowpath+0x2214/0x2870
[ 1170.797352]  ? warn_alloc+0x110/0x110
[ 1170.801143]  ? __lock_acquire+0x6ee/0x49c0
[ 1170.805370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1170.810900]  ? should_fail+0x14d/0x85c
[ 1170.814786]  ? __isolate_free_page+0x4c0/0x4c0
[ 1170.819377]  __alloc_pages_nodemask+0x617/0x750
[ 1170.824057]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1170.829084]  ? find_held_lock+0x35/0x130
[ 1170.833206]  cache_grow_begin+0x91/0x8c0
[ 1170.837474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1170.843033]  ? __cpuset_node_allowed+0x136/0x540
[ 1170.847805]  fallback_alloc+0x1fd/0x2d0
[ 1170.851786]  ____cache_alloc_node+0x1be/0x1e0
[ 1170.856288]  kmem_cache_alloc_node+0xe3/0x710
[ 1170.860784]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1170.865020]  __alloc_skb+0xd5/0x5f0
[ 1170.868648]  ? skb_trim+0x190/0x190
[ 1170.872275]  ? kasan_check_read+0x11/0x20
[ 1170.876424]  ndisc_alloc_skb+0x13c/0x340
[ 1170.880490]  ndisc_send_rs+0x35f/0x6e0
[ 1170.884373]  addrconf_rs_timer+0x30f/0x680
[ 1170.888605]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.892854]  call_timer_fn+0x18d/0x720
[ 1170.896735]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.900981]  ? process_timeout+0x40/0x40
[ 1170.905063]  ? run_timer_softirq+0x644/0x16a0
[ 1170.909565]  ? trace_hardirqs_on+0x67/0x220
[ 1170.913886]  ? ipv6_get_lladdr+0x490/0x490
[ 1170.918114]  run_timer_softirq+0x64f/0x16a0
[ 1170.922456]  ? add_timer+0xbe0/0xbe0
[ 1170.926166]  ? __lock_is_held+0xb6/0x140
[ 1170.930228]  __do_softirq+0x25c/0x921
[ 1170.934020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1170.939546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1170.945088]  irq_exit+0x180/0x1d0
[ 1170.948534]  smp_apic_timer_interrupt+0x13b/0x550
[ 1170.953375]  apic_timer_interrupt+0xf/0x20
[ 1170.957597]  </IRQ>
[ 1170.959827] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1170.964750] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1170.983654] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1170.991366] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1170.998637] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1171.005903] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1171.013165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1171.020435] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1171.027738]  ? find_held_lock+0x35/0x130
[ 1171.031794]  ? process_one_work+0x890/0x1750
[ 1171.036207]  skb_clone+0x156/0x3e0
[ 1171.039743]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1171.046059]  process_one_work+0x989/0x1750
[ 1171.050302]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1171.056878]  ? lock_acquire+0x16f/0x3f0
[ 1171.060871]  ? kasan_check_write+0x14/0x20
[ 1171.065105]  ? do_raw_spin_lock+0xd7/0x250
[ 1171.069358]  worker_thread+0x98/0xe40
[ 1171.073245]  ? trace_hardirqs_on+0x67/0x220
[ 1171.077576]  kthread+0x354/0x420
[ 1171.080938]  ? process_one_work+0x1750/0x1750
[ 1171.085436]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1171.090984]  ret_from_fork+0x24/0x30
[ 1171.094700] warn_alloc_show_mem: 1 callbacks suppressed
[ 1171.094710] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1171.094712] Mem-Info:
[ 1171.094741] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1171.094741]  active_file:13 inactive_file:13 isolated_file:0
[ 1171.094741]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1171.094741]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1171.094741]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1171.094741]  free:10948 free_pcp:188 free_cma:0
[ 1171.100076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1171.100083] Call Trace:
[ 1171.107532] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1171.109920]  <IRQ>
[ 1171.142902] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1171.152250]  dump_stack+0x197/0x210
[ 1171.154802] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1171.182407]  warn_alloc.cold+0x7b/0x173
[ 1171.184528] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1171.210385]  ? zone_watermark_ok_safe+0x260/0x260
[ 1171.213980] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1171.240096]  ? __cpuset_node_allowed+0x136/0x540
[ 1171.244051] lowmem_reserve[]: 0 0 1 1 1
[ 1171.249069]  ? __isolate_free_page+0x4c0/0x4c0
[ 1171.253893] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1171.282710]  ? wake_all_kswapds+0x14d/0x300
[ 1171.287455] lowmem_reserve[]: 0 0 0 0 0
[ 1171.291476]  __alloc_pages_slowpath+0x2214/0x2870
[ 1171.296035] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1171.321832]  ? warn_alloc+0x110/0x110
[ 1171.326108] lowmem_reserve[]: 0 0 0 0 0
[ 1171.330089]  ? __lock_acquire+0x6ee/0x49c0
[ 1171.334907] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1171.362680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1171.366449] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1171.370417]  ? should_fail+0x14d/0x85c
[ 1171.374636] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1171.387115]  ? __isolate_free_page+0x4c0/0x4c0
[ 1171.392640] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1171.407906]  __alloc_pages_nodemask+0x617/0x750
[ 1171.411778] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1171.422456]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1171.427010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1171.442782]  ? find_held_lock+0x35/0x130
[ 1171.447426] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1171.456247]  cache_grow_begin+0x91/0x8c0
[ 1171.461243] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1171.461252] 279 total pagecache pages
[ 1171.469834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1171.473896] 0 pages in swap cache
[ 1171.482722]  ? __cpuset_node_allowed+0x136/0x540
[ 1171.486752] Swap cache stats: add 0, delete 0, find 0/0
[ 1171.486760] Free swap  = 0kB
[ 1171.495329]  fallback_alloc+0x1fd/0x2d0
[ 1171.499108] Total swap = 0kB
[ 1171.499116] 1965979 pages RAM
[ 1171.504664]  ____cache_alloc_node+0x1be/0x1e0
[ 1171.508098] 0 pages HighMem/MovableOnly
[ 1171.508107] 341741 pages reserved
[ 1171.512873]  kmem_cache_alloc_node+0xe3/0x710
[ 1171.518213] 0 pages cma reserved
[ 1171.521228]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1171.525232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1171.528190]  __alloc_skb+0xd5/0x5f0
[ 1171.531318] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1171.535755]  ? skb_trim+0x190/0x190
[ 1171.539716] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1171.543153]  ? kasan_check_read+0x11/0x20
[ 1171.543177]  ndisc_alloc_skb+0x13c/0x340
[ 1171.592413]  ndisc_send_rs+0x35f/0x6e0
[ 1171.596301]  addrconf_rs_timer+0x30f/0x680
[ 1171.600532]  ? ipv6_get_lladdr+0x490/0x490
[ 1171.604769]  call_timer_fn+0x18d/0x720
[ 1171.608652]  ? ipv6_get_lladdr+0x490/0x490
[ 1171.612879]  ? process_timeout+0x40/0x40
[ 1171.616944]  ? run_timer_softirq+0x644/0x16a0
[ 1171.621446]  ? trace_hardirqs_on+0x67/0x220
[ 1171.625784]  ? ipv6_get_lladdr+0x490/0x490
[ 1171.630016]  run_timer_softirq+0x64f/0x16a0
[ 1171.634353]  ? add_timer+0xbe0/0xbe0
[ 1171.638071]  ? __lock_is_held+0xb6/0x140
[ 1171.642137]  __do_softirq+0x25c/0x921
[ 1171.645932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1171.652336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1171.657877]  irq_exit+0x180/0x1d0
[ 1171.661327]  smp_apic_timer_interrupt+0x13b/0x550
[ 1171.666167]  apic_timer_interrupt+0xf/0x20
[ 1171.670389]  </IRQ>
[ 1171.672632] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1171.677471] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1171.696502] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1171.704207] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1171.711471] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1171.718849] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1171.726121] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1171.733393] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1171.740683]  ? netconsole_netdev_event+0x280/0x280
[ 1171.745612]  ? console_unlock+0xf36/0x10d0
[ 1171.749853]  vprintk_emit+0x280/0x6d0
[ 1171.753648]  vprintk_default+0x28/0x30
[ 1171.757525]  vprintk_func+0x7e/0x189
[ 1171.761230]  printk+0xba/0xed
[ 1171.764328]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1171.769085]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1171.773579]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1171.778597]  dump_header+0x44b/0xa55
[ 1171.782304]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1171.787439]  ? ___ratelimit+0x60/0x595
[ 1171.791377]  ? do_raw_spin_unlock+0x181/0x270
[ 1171.795873]  oom_kill_process.cold+0x10/0x6ef
[ 1171.800484]  ? lock_downgrade+0x880/0x880
[ 1171.804633]  ? kasan_check_read+0x11/0x20
[ 1171.808781]  out_of_memory+0x362/0x1330
[ 1171.812755]  ? oom_killer_disable+0x280/0x280
[ 1171.817250]  ? mutex_trylock+0x18e/0x1e0
[ 1171.821343]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1171.826273]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1171.831647]  ? warn_alloc+0x110/0x110
[ 1171.835439]  ? __lock_is_held+0xb6/0x140
[ 1171.839499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1171.845033]  ? should_fail+0x14d/0x85c
[ 1171.848922]  ? __might_sleep+0x95/0x190
[ 1171.852890]  __alloc_pages_nodemask+0x617/0x750
[ 1171.857558]  ? kasan_check_read+0x11/0x20
[ 1171.861710]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1171.866716]  ? find_get_entry+0x3e1/0xa00
[ 1171.870881]  ? find_get_pages_contig+0xed0/0xed0
[ 1171.875651]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1171.881202]  alloc_pages_current+0x107/0x210
[ 1171.885626]  __page_cache_alloc+0x2bd/0x450
[ 1171.889967]  ? kasan_check_read+0x11/0x20
[ 1171.894120]  filemap_fault+0xfeb/0x1f00
[ 1171.898090]  ? lock_downgrade+0x880/0x880
[ 1171.902238]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1171.906927]  ? lock_acquire+0x16f/0x3f0
[ 1171.910899]  ? ext4_filemap_fault+0x7b/0xaf
[ 1171.915225]  ext4_filemap_fault+0x83/0xaf
[ 1171.919368]  __do_fault+0x111/0x480
[ 1171.923006]  __handle_mm_fault+0x2d78/0x3f80
[ 1171.927416]  ? copy_page_range+0x2030/0x2030
[ 1171.931851]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1171.936519]  handle_mm_fault+0x1b5/0x690
[ 1171.940579]  __do_page_fault+0x62a/0xe90
[ 1171.944641]  ? vmalloc_fault+0x740/0x740
[ 1171.948707]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1171.953728]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1171.958669]  ? page_fault+0x8/0x30
[ 1171.962210]  do_page_fault+0x71/0x57d
[ 1171.966020]  ? page_fault+0x8/0x30
[ 1171.969561]  page_fault+0x1e/0x30
[ 1171.973023] RIP: 0033:0x45b153
[ 1171.976234] Code: Bad RIP value.
[ 1171.979603] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1171.984999] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1171.992386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1171.999646] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1172.007000] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1172.014270] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1172.021557] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1172.021617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1172.029275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1172.029302] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1172.035882] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1172.045387] Call Trace:
[ 1172.052497] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1172.062716]  <IRQ>
[ 1172.072176]  dump_stack+0x197/0x210
[ 1172.075801]  warn_alloc.cold+0x7b/0x173
[ 1172.079792]  ? zone_watermark_ok_safe+0x260/0x260
[ 1172.084638]  ? __cpuset_node_allowed+0x136/0x540
[ 1172.089414]  ? __isolate_free_page+0x4c0/0x4c0
[ 1172.094103]  ? wake_all_kswapds+0x14d/0x300
[ 1172.098427]  __alloc_pages_slowpath+0x2214/0x2870
[ 1172.103289]  ? warn_alloc+0x110/0x110
[ 1172.107100]  ? __lock_acquire+0x6ee/0x49c0
[ 1172.111331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1172.116877]  ? should_fail+0x14d/0x85c
[ 1172.120763]  ? __isolate_free_page+0x4c0/0x4c0
[ 1172.125358]  __alloc_pages_nodemask+0x617/0x750
[ 1172.130039]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1172.135069]  ? find_held_lock+0x35/0x130
[ 1172.139137]  cache_grow_begin+0x91/0x8c0
[ 1172.143279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1172.148827]  ? __cpuset_node_allowed+0x136/0x540
[ 1172.153597]  fallback_alloc+0x1fd/0x2d0
[ 1172.158626]  ____cache_alloc_node+0x1be/0x1e0
[ 1172.163121]  kmem_cache_alloc_node+0xe3/0x710
[ 1172.167629]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1172.171868]  __alloc_skb+0xd5/0x5f0
[ 1172.175491]  ? skb_trim+0x190/0x190
[ 1172.179123]  ? kasan_check_read+0x11/0x20
[ 1172.183281]  ndisc_alloc_skb+0x13c/0x340
[ 1172.187355]  ndisc_send_rs+0x35f/0x6e0
[ 1172.191416]  addrconf_rs_timer+0x30f/0x680
[ 1172.195695]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.199943]  call_timer_fn+0x18d/0x720
[ 1172.205834]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.210065]  ? process_timeout+0x40/0x40
[ 1172.214118]  ? run_timer_softirq+0x644/0x16a0
[ 1172.218611]  ? trace_hardirqs_on+0x67/0x220
[ 1172.223019]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.227248]  run_timer_softirq+0x64f/0x16a0
[ 1172.231567]  ? add_timer+0xbe0/0xbe0
[ 1172.235278]  ? __lock_is_held+0xb6/0x140
[ 1172.239344]  __do_softirq+0x25c/0x921
[ 1172.243149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1172.248687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1172.254224]  irq_exit+0x180/0x1d0
[ 1172.257668]  smp_apic_timer_interrupt+0x13b/0x550
[ 1172.262506]  apic_timer_interrupt+0xf/0x20
[ 1172.266725]  </IRQ>
[ 1172.268952] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1172.273883] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1172.292776] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1172.300477] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1172.307734] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1172.314994] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1172.322264] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1172.333446] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1172.340740]  ? find_held_lock+0x35/0x130
[ 1172.344797]  ? process_one_work+0x890/0x1750
[ 1172.349331]  skb_clone+0x156/0x3e0
[ 1172.352892]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1172.359237]  process_one_work+0x989/0x1750
[ 1172.363488]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1172.368165]  ? lock_acquire+0x16f/0x3f0
[ 1172.372141]  ? kasan_check_write+0x14/0x20
[ 1172.376369]  ? do_raw_spin_lock+0xd7/0x250
[ 1172.380604]  worker_thread+0x98/0xe40
[ 1172.384402]  ? trace_hardirqs_on+0x67/0x220
[ 1172.388745]  kthread+0x354/0x420
[ 1172.392107]  ? process_one_work+0x1750/0x1750
[ 1172.396599]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1172.402132]  ret_from_fork+0x24/0x30
[ 1172.405853] warn_alloc_show_mem: 1 callbacks suppressed
[ 1172.405863] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1172.405865] Mem-Info:
[ 1172.405894] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1172.405894]  active_file:13 inactive_file:13 isolated_file:0
[ 1172.405894]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1172.405894]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1172.405894]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1172.405894]  free:10948 free_pcp:188 free_cma:0
[ 1172.411229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1172.411237] Call Trace:
[ 1172.418699] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1172.421101]  <IRQ>
[ 1172.454076] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1172.463418]  dump_stack+0x197/0x210
[ 1172.465972] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1172.493574]  warn_alloc.cold+0x7b/0x173
[ 1172.495704] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1172.521566]  ? zone_watermark_ok_safe+0x260/0x260
[ 1172.525165] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1172.551292]  ? __cpuset_node_allowed+0x136/0x540
[ 1172.555240] lowmem_reserve[]: 0 0 1 1 1
[ 1172.560258]  ? __isolate_free_page+0x4c0/0x4c0
[ 1172.565133] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1172.593969]  ? wake_all_kswapds+0x14d/0x300
[ 1172.598696] lowmem_reserve[]: 0 0 0 0 0
[ 1172.602685]  __alloc_pages_slowpath+0x2214/0x2870
[ 1172.607257] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1172.633400]  ? warn_alloc+0x110/0x110
[ 1172.637687] lowmem_reserve[]: 0 0 0 0 0
[ 1172.641670]  ? __lock_acquire+0x6ee/0x49c0
[ 1172.646534] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1172.674317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1172.678091] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1172.682079]  ? should_fail+0x14d/0x85c
[ 1172.686292] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1172.698793]  ? __isolate_free_page+0x4c0/0x4c0
[ 1172.704339] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1172.719646]  __alloc_pages_nodemask+0x617/0x750
[ 1172.723513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1172.734193]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1172.738749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1172.754801]  ? find_held_lock+0x35/0x130
[ 1172.759480] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1172.768320]  cache_grow_begin+0x91/0x8c0
[ 1172.773417] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1172.773427] 279 total pagecache pages
[ 1172.782013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1172.786061] 0 pages in swap cache
[ 1172.794999]  ? __cpuset_node_allowed+0x136/0x540
[ 1172.799080] Swap cache stats: add 0, delete 0, find 0/0
[ 1172.799086] Free swap  = 0kB
[ 1172.799090] Total swap = 0kB
[ 1172.799100] 1965979 pages RAM
[ 1172.807685]  fallback_alloc+0x1fd/0x2d0
[ 1172.811496] 0 pages HighMem/MovableOnly
[ 1172.817047]  ____cache_alloc_node+0x1be/0x1e0
[ 1172.820475] 341741 pages reserved
[ 1172.820485] 0 pages cma reserved
[ 1172.825246]  kmem_cache_alloc_node+0xe3/0x710
[ 1172.830640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1172.833606]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1172.833629]  __alloc_skb+0xd5/0x5f0
[ 1172.833647]  ? skb_trim+0x190/0x190
[ 1172.836714] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1172.839767]  ? kasan_check_read+0x11/0x20
[ 1172.843820] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1172.847827]  ndisc_alloc_skb+0x13c/0x340
[ 1172.905464]  ndisc_send_rs+0x35f/0x6e0
[ 1172.909358]  addrconf_rs_timer+0x30f/0x680
[ 1172.913613]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.917866]  call_timer_fn+0x18d/0x720
[ 1172.921752]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.925981]  ? process_timeout+0x40/0x40
[ 1172.930052]  ? run_timer_softirq+0x644/0x16a0
[ 1172.934566]  ? trace_hardirqs_on+0x67/0x220
[ 1172.938908]  ? ipv6_get_lladdr+0x490/0x490
[ 1172.943158]  run_timer_softirq+0x64f/0x16a0
[ 1172.947481]  ? add_timer+0xbe0/0xbe0
[ 1172.951203]  ? __lock_is_held+0xb6/0x140
[ 1172.955398]  __do_softirq+0x25c/0x921
[ 1172.959208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1172.964756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1172.970307]  irq_exit+0x180/0x1d0
[ 1172.973760]  smp_apic_timer_interrupt+0x13b/0x550
[ 1172.978721]  apic_timer_interrupt+0xf/0x20
[ 1172.982960]  </IRQ>
[ 1172.985205] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1172.990064] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1173.008973] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1173.016688] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1173.023955] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1173.031229] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1173.038513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1173.045790] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1173.053098]  ? netconsole_netdev_event+0x280/0x280
[ 1173.058046]  ? console_unlock+0xf36/0x10d0
[ 1173.062311]  vprintk_emit+0x280/0x6d0
[ 1173.066115]  vprintk_default+0x28/0x30
[ 1173.070003]  vprintk_func+0x7e/0x189
[ 1173.073988]  printk+0xba/0xed
[ 1173.077110]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1173.081874]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1173.086373]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1173.091395]  dump_header+0x44b/0xa55
[ 1173.095112]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1173.100228]  ? ___ratelimit+0x60/0x595
[ 1173.104123]  ? do_raw_spin_unlock+0x181/0x270
[ 1173.108632]  oom_kill_process.cold+0x10/0x6ef
[ 1173.113131]  ? lock_downgrade+0x880/0x880
[ 1173.117280]  ? kasan_check_read+0x11/0x20
[ 1173.121427]  out_of_memory+0x362/0x1330
[ 1173.125419]  ? oom_killer_disable+0x280/0x280
[ 1173.129947]  ? mutex_trylock+0x18e/0x1e0
[ 1173.134015]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1173.138947]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1173.143823]  ? warn_alloc+0x110/0x110
[ 1173.147635]  ? __lock_is_held+0xb6/0x140
[ 1173.151713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1173.157261]  ? should_fail+0x14d/0x85c
[ 1173.161165]  ? __might_sleep+0x95/0x190
[ 1173.165155]  __alloc_pages_nodemask+0x617/0x750
[ 1173.169829]  ? kasan_check_read+0x11/0x20
[ 1173.174010]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1173.179040]  ? find_get_entry+0x3e1/0xa00
[ 1173.183190]  ? find_get_pages_contig+0xed0/0xed0
[ 1173.187941]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1173.193496]  alloc_pages_current+0x107/0x210
[ 1173.197923]  __page_cache_alloc+0x2bd/0x450
[ 1173.202241]  ? kasan_check_read+0x11/0x20
[ 1173.206512]  filemap_fault+0xfeb/0x1f00
[ 1173.210522]  ? lock_downgrade+0x880/0x880
[ 1173.214675]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1173.219376]  ? lock_acquire+0x16f/0x3f0
[ 1173.223416]  ? ext4_filemap_fault+0x7b/0xaf
[ 1173.227772]  ext4_filemap_fault+0x83/0xaf
[ 1173.231919]  __do_fault+0x111/0x480
[ 1173.235558]  __handle_mm_fault+0x2d78/0x3f80
[ 1173.239994]  ? copy_page_range+0x2030/0x2030
[ 1173.244463]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1173.249160]  handle_mm_fault+0x1b5/0x690
[ 1173.253228]  __do_page_fault+0x62a/0xe90
[ 1173.257348]  ? vmalloc_fault+0x740/0x740
[ 1173.261413]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1173.266434]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1173.271521]  ? page_fault+0x8/0x30
[ 1173.275064]  do_page_fault+0x71/0x57d
[ 1173.278878]  ? page_fault+0x8/0x30
[ 1173.282419]  page_fault+0x1e/0x30
[ 1173.285876] RIP: 0033:0x45b153
[ 1173.289081] Code: Bad RIP value.
[ 1173.292437] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1173.297801] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1173.305074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1173.312346] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1173.319613] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1173.326902] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1173.334202] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1173.334263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1173.341919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1173.341946] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1173.341953] Call Trace:
[ 1173.341960]  <IRQ>
[ 1173.342011]  dump_stack+0x197/0x210
[ 1173.342043]  warn_alloc.cold+0x7b/0x173
[ 1173.348585] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1173.357907]  ? zone_watermark_ok_safe+0x260/0x260
[ 1173.364995] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1173.367591]  ? __cpuset_node_allowed+0x136/0x540
[ 1173.404005]  ? __isolate_free_page+0x4c0/0x4c0
[ 1173.408585]  ? wake_all_kswapds+0x14d/0x300
[ 1173.412923]  __alloc_pages_slowpath+0x2214/0x2870
[ 1173.417931]  ? warn_alloc+0x110/0x110
[ 1173.421726]  ? __lock_acquire+0x6ee/0x49c0
[ 1173.425954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1173.431488]  ? should_fail+0x14d/0x85c
[ 1173.435391]  ? __isolate_free_page+0x4c0/0x4c0
[ 1173.440020]  __alloc_pages_nodemask+0x617/0x750
[ 1173.444702]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1173.449722]  ? find_held_lock+0x35/0x130
[ 1173.453796]  cache_grow_begin+0x91/0x8c0
[ 1173.457869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1173.463428]  ? __cpuset_node_allowed+0x136/0x540
[ 1173.468182]  fallback_alloc+0x1fd/0x2d0
[ 1173.472170]  ____cache_alloc_node+0x1be/0x1e0
[ 1173.476762]  kmem_cache_alloc_node+0xe3/0x710
[ 1173.481276]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1173.485529]  __alloc_skb+0xd5/0x5f0
[ 1173.489166]  ? skb_trim+0x190/0x190
[ 1173.493056]  ? kasan_check_read+0x11/0x20
[ 1173.497222]  ndisc_alloc_skb+0x13c/0x340
[ 1173.501299]  ndisc_send_rs+0x35f/0x6e0
[ 1173.505186]  addrconf_rs_timer+0x30f/0x680
[ 1173.509446]  ? ipv6_get_lladdr+0x490/0x490
[ 1173.513692]  call_timer_fn+0x18d/0x720
[ 1173.517582]  ? ipv6_get_lladdr+0x490/0x490
[ 1173.521823]  ? process_timeout+0x40/0x40
[ 1173.525879]  ? run_timer_softirq+0x644/0x16a0
[ 1173.530382]  ? trace_hardirqs_on+0x67/0x220
[ 1173.534793]  ? ipv6_get_lladdr+0x490/0x490
[ 1173.539043]  run_timer_softirq+0x64f/0x16a0
[ 1173.543394]  ? add_timer+0xbe0/0xbe0
[ 1173.547120]  ? __lock_is_held+0xb6/0x140
[ 1173.551203]  __do_softirq+0x25c/0x921
[ 1173.554998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1173.560553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1173.566108]  irq_exit+0x180/0x1d0
[ 1173.569573]  smp_apic_timer_interrupt+0x13b/0x550
[ 1173.574437]  apic_timer_interrupt+0xf/0x20
[ 1173.578673]  </IRQ>
[ 1173.580923] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1173.585860] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1173.604767] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1173.612487] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1173.619762] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1173.627041] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1173.634320] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1173.641605] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1173.648914]  ? find_held_lock+0x35/0x130
[ 1173.652975]  ? process_one_work+0x890/0x1750
[ 1173.657403]  skb_clone+0x156/0x3e0
[ 1173.660961]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1173.667408]  process_one_work+0x989/0x1750
[ 1173.671648]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1173.676325]  ? lock_acquire+0x16f/0x3f0
[ 1173.680317]  ? kasan_check_write+0x14/0x20
[ 1173.684561]  ? do_raw_spin_lock+0xd7/0x250
[ 1173.688816]  worker_thread+0x98/0xe40
[ 1173.692630]  ? trace_hardirqs_on+0x67/0x220
[ 1173.696965]  kthread+0x354/0x420
[ 1173.700338]  ? process_one_work+0x1750/0x1750
[ 1173.704839]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1173.710390]  ret_from_fork+0x24/0x30
[ 1173.714110] warn_alloc_show_mem: 1 callbacks suppressed
[ 1173.714120] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1173.714122] Mem-Info:
[ 1173.714152] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1173.714152]  active_file:13 inactive_file:13 isolated_file:0
[ 1173.714152]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1173.714152]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1173.714152]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1173.714152]  free:10948 free_pcp:188 free_cma:0
[ 1173.719597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1173.719607] Call Trace:
[ 1173.727084] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1173.729494]  <IRQ>
[ 1173.763257] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1173.772616]  dump_stack+0x197/0x210
[ 1173.775189] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1173.803123]  warn_alloc.cold+0x7b/0x173
[ 1173.805250] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1173.831348]  ? zone_watermark_ok_safe+0x260/0x260
[ 1173.834969] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1173.861348]  ? __cpuset_node_allowed+0x136/0x540
[ 1173.865330] lowmem_reserve[]: 0 0 1 1 1
[ 1173.870376]  ? __isolate_free_page+0x4c0/0x4c0
[ 1173.875190] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1173.904820]  ? wake_all_kswapds+0x14d/0x300
[ 1173.909536] lowmem_reserve[]: 0 0 0 0 0
[ 1173.913529]  __alloc_pages_slowpath+0x2214/0x2870
[ 1173.918116] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1173.944023]  ? warn_alloc+0x110/0x110
[ 1173.948315] lowmem_reserve[]: 0 0 0 0 0
[ 1173.952409]  ? __lock_acquire+0x6ee/0x49c0
[ 1173.957237] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1173.986229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1173.990021] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1173.994009]  ? should_fail+0x14d/0x85c
[ 1173.999098] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1174.011603]  ? __isolate_free_page+0x4c0/0x4c0
[ 1174.017119] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1174.032410]  __alloc_pages_nodemask+0x617/0x750
[ 1174.036354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1174.047009]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1174.051575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1174.067425]  ? find_held_lock+0x35/0x130
[ 1174.072094] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1174.080934]  cache_grow_begin+0x91/0x8c0
[ 1174.085940] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1174.094505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1174.099167] 279 total pagecache pages
[ 1174.108019]  ? __cpuset_node_allowed+0x136/0x540
[ 1174.112078] 0 pages in swap cache
[ 1174.120680]  fallback_alloc+0x1fd/0x2d0
[ 1174.126221] Swap cache stats: add 0, delete 0, find 0/0
[ 1174.126231] Free swap  = 0kB
[ 1174.130049]  ____cache_alloc_node+0x1be/0x1e0
[ 1174.134884] Total swap = 0kB
[ 1174.134895] 1965979 pages RAM
[ 1174.138353]  kmem_cache_alloc_node+0xe3/0x710
[ 1174.142311] 0 pages HighMem/MovableOnly
[ 1174.142321] 341741 pages reserved
[ 1174.147691]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1174.150686] 0 pages cma reserved
[ 1174.155289]  __alloc_skb+0xd5/0x5f0
[ 1174.158427] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1174.161478]  ? skb_trim+0x190/0x190
[ 1174.161491]  ? kasan_check_read+0x11/0x20
[ 1174.161515]  ndisc_alloc_skb+0x13c/0x340
[ 1174.166068] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1174.170021]  ndisc_send_rs+0x35f/0x6e0
[ 1174.173468] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1174.177846]  addrconf_rs_timer+0x30f/0x680
[ 1174.226625]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.230888]  call_timer_fn+0x18d/0x720
[ 1174.234790]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.239023]  ? process_timeout+0x40/0x40
[ 1174.243119]  ? run_timer_softirq+0x644/0x16a0
[ 1174.247621]  ? trace_hardirqs_on+0x67/0x220
[ 1174.251960]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.256200]  run_timer_softirq+0x64f/0x16a0
[ 1174.261172]  ? add_timer+0xbe0/0xbe0
[ 1174.265231]  ? __lock_is_held+0xb6/0x140
[ 1174.269311]  __do_softirq+0x25c/0x921
[ 1174.273172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1174.278722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1174.284318]  irq_exit+0x180/0x1d0
[ 1174.287802]  smp_apic_timer_interrupt+0x13b/0x550
[ 1174.292667]  apic_timer_interrupt+0xf/0x20
[ 1174.296900]  </IRQ>
[ 1174.299145] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1174.303992] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1174.322900] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1174.330608] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1174.337880] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1174.345188] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1174.352548] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1174.359817] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1174.367113]  ? netconsole_netdev_event+0x280/0x280
[ 1174.372062]  ? console_unlock+0xf36/0x10d0
[ 1174.376303]  vprintk_emit+0x280/0x6d0
[ 1174.380123]  vprintk_default+0x28/0x30
[ 1174.384146]  vprintk_func+0x7e/0x189
[ 1174.387868]  printk+0xba/0xed
[ 1174.390969]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1174.395860]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1174.400373]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1174.405422]  dump_header+0x44b/0xa55
[ 1174.409135]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1174.414253]  ? ___ratelimit+0x60/0x595
[ 1174.418165]  ? do_raw_spin_unlock+0x181/0x270
[ 1174.422690]  oom_kill_process.cold+0x10/0x6ef
[ 1174.427190]  ? lock_downgrade+0x880/0x880
[ 1174.431383]  ? kasan_check_read+0x11/0x20
[ 1174.435550]  out_of_memory+0x362/0x1330
[ 1174.439542]  ? oom_killer_disable+0x280/0x280
[ 1174.444044]  ? mutex_trylock+0x18e/0x1e0
[ 1174.448120]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1174.453056]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1174.457943]  ? warn_alloc+0x110/0x110
[ 1174.461831]  ? __lock_is_held+0xb6/0x140
[ 1174.466014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1174.471920]  ? should_fail+0x14d/0x85c
[ 1174.475842]  ? __might_sleep+0x95/0x190
[ 1174.479857]  __alloc_pages_nodemask+0x617/0x750
[ 1174.484549]  ? kasan_check_read+0x11/0x20
[ 1174.488700]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1174.493873]  ? find_get_entry+0x3e1/0xa00
[ 1174.500499]  ? find_get_pages_contig+0xed0/0xed0
[ 1174.505286]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1174.510846]  alloc_pages_current+0x107/0x210
[ 1174.515268]  __page_cache_alloc+0x2bd/0x450
[ 1174.519587]  ? kasan_check_read+0x11/0x20
[ 1174.523751]  filemap_fault+0xfeb/0x1f00
[ 1174.527757]  ? lock_downgrade+0x880/0x880
[ 1174.531933]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1174.536605]  ? lock_acquire+0x16f/0x3f0
[ 1174.540688]  ? ext4_filemap_fault+0x7b/0xaf
[ 1174.545029]  ext4_filemap_fault+0x83/0xaf
[ 1174.550032]  __do_fault+0x111/0x480
[ 1174.553661]  __handle_mm_fault+0x2d78/0x3f80
[ 1174.558086]  ? copy_page_range+0x2030/0x2030
[ 1174.562505]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1174.567235]  handle_mm_fault+0x1b5/0x690
[ 1174.571334]  __do_page_fault+0x62a/0xe90
[ 1174.575442]  ? vmalloc_fault+0x740/0x740
[ 1174.579529]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1174.584551]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1174.589480]  ? page_fault+0x8/0x30
[ 1174.593030]  do_page_fault+0x71/0x57d
[ 1174.596843]  ? page_fault+0x8/0x30
[ 1174.600403]  page_fault+0x1e/0x30
[ 1174.603865] RIP: 0033:0x45b153
[ 1174.607076] Code: Bad RIP value.
[ 1174.611148] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1174.616508] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1174.624173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1174.631452] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1174.638755] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1174.646035] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1174.653340] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1174.653402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1174.661059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1174.661086] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1174.667670] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1174.680057] Call Trace:
[ 1174.687273] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1174.697504]  <IRQ>
[ 1174.706987]  dump_stack+0x197/0x210
[ 1174.710683]  warn_alloc.cold+0x7b/0x173
[ 1174.714679]  ? zone_watermark_ok_safe+0x260/0x260
[ 1174.719531]  ? __cpuset_node_allowed+0x136/0x540
[ 1174.724318]  ? __isolate_free_page+0x4c0/0x4c0
[ 1174.728899]  ? wake_all_kswapds+0x14d/0x300
[ 1174.733351]  __alloc_pages_slowpath+0x2214/0x2870
[ 1174.738231]  ? warn_alloc+0x110/0x110
[ 1174.742053]  ? __lock_acquire+0x6ee/0x49c0
[ 1174.746311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1174.751860]  ? should_fail+0x14d/0x85c
[ 1174.755760]  ? __isolate_free_page+0x4c0/0x4c0
[ 1174.760362]  __alloc_pages_nodemask+0x617/0x750
[ 1174.765054]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1174.770093]  ? find_held_lock+0x35/0x130
[ 1174.774167]  cache_grow_begin+0x91/0x8c0
[ 1174.778316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1174.783864]  ? __cpuset_node_allowed+0x136/0x540
[ 1174.788620]  fallback_alloc+0x1fd/0x2d0
[ 1174.792607]  ____cache_alloc_node+0x1be/0x1e0
[ 1174.797128]  kmem_cache_alloc_node+0xe3/0x710
[ 1174.801910]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1174.806159]  __alloc_skb+0xd5/0x5f0
[ 1174.809799]  ? skb_trim+0x190/0x190
[ 1174.813440]  ? kasan_check_read+0x11/0x20
[ 1174.817594]  ndisc_alloc_skb+0x13c/0x340
[ 1174.821670]  ndisc_send_rs+0x35f/0x6e0
[ 1174.825577]  addrconf_rs_timer+0x30f/0x680
[ 1174.829939]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.834179]  call_timer_fn+0x18d/0x720
[ 1174.838180]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.842427]  ? process_timeout+0x40/0x40
[ 1174.846493]  ? run_timer_softirq+0x644/0x16a0
[ 1174.851089]  ? trace_hardirqs_on+0x67/0x220
[ 1174.855432]  ? ipv6_get_lladdr+0x490/0x490
[ 1174.859800]  run_timer_softirq+0x64f/0x16a0
[ 1174.864128]  ? add_timer+0xbe0/0xbe0
[ 1174.867855]  ? __lock_is_held+0xb6/0x140
[ 1174.871988]  __do_softirq+0x25c/0x921
[ 1174.875811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1174.881343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1174.886927]  irq_exit+0x180/0x1d0
[ 1174.890394]  smp_apic_timer_interrupt+0x13b/0x550
[ 1174.895250]  apic_timer_interrupt+0xf/0x20
[ 1174.899495]  </IRQ>
[ 1174.901740] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1174.906669] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1174.925923] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1174.933630] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1174.940905] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1174.948195] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1174.955481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1174.962760] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1174.970067]  ? find_held_lock+0x35/0x130
[ 1174.974157]  ? process_one_work+0x890/0x1750
[ 1174.978581]  skb_clone+0x156/0x3e0
[ 1174.982142]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1174.988566]  process_one_work+0x989/0x1750
[ 1174.992817]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1174.997482]  ? lock_acquire+0x16f/0x3f0
[ 1175.001483]  ? kasan_check_write+0x14/0x20
[ 1175.005715]  ? do_raw_spin_lock+0xd7/0x250
[ 1175.009965]  worker_thread+0x98/0xe40
[ 1175.013779]  ? trace_hardirqs_on+0x67/0x220
[ 1175.018118]  kthread+0x354/0x420
[ 1175.021498]  ? process_one_work+0x1750/0x1750
[ 1175.025986]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1175.031520]  ret_from_fork+0x24/0x30
[ 1175.035335] warn_alloc_show_mem: 1 callbacks suppressed
[ 1175.035344] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1175.035346] Mem-Info:
[ 1175.035375] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1175.035375]  active_file:13 inactive_file:13 isolated_file:0
[ 1175.035375]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1175.035375]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1175.035375]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1175.035375]  free:10948 free_pcp:188 free_cma:0
[ 1175.040823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1175.048282] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1175.050693] Call Trace:
[ 1175.083695] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1175.093026]  <IRQ>
[ 1175.120723] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1175.123349]  dump_stack+0x197/0x210
[ 1175.150580] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1175.152762]  warn_alloc.cold+0x7b/0x173
[ 1175.178967] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1175.182727]  ? zone_watermark_ok_safe+0x260/0x260
[ 1175.187720] lowmem_reserve[]: 0 0 1 1 1
[ 1175.191813]  ? __cpuset_node_allowed+0x136/0x540
[ 1175.220690] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1175.225574]  ? __isolate_free_page+0x4c0/0x4c0
[ 1175.229536] lowmem_reserve[]: 0 0 0 0 0
[ 1175.234307]  ? wake_all_kswapds+0x14d/0x300
[ 1175.260246] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1175.264848]  __alloc_pages_slowpath+0x2214/0x2870
[ 1175.268793] lowmem_reserve[]: 0 0 0 0 0
[ 1175.273169]  ? warn_alloc+0x110/0x110
[ 1175.301005] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1175.305874]  ? __lock_acquire+0x6ee/0x49c0
[ 1175.309824] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1175.313653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1175.326119] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1175.330373]  ? should_fail+0x14d/0x85c
[ 1175.345624] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1175.351188]  ? __isolate_free_page+0x4c0/0x4c0
[ 1175.361866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1175.365789]  __alloc_pages_nodemask+0x617/0x750
[ 1175.381547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1175.386280]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1175.395185] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1175.399926]  ? find_held_lock+0x35/0x130
[ 1175.408501] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1175.408511] 279 total pagecache pages
[ 1175.413541]  cache_grow_begin+0x91/0x8c0
[ 1175.422354] 0 pages in swap cache
[ 1175.426422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1175.434994] Swap cache stats: add 0, delete 0, find 0/0
[ 1175.435003] Free swap  = 0kB
[ 1175.438815]  ? __cpuset_node_allowed+0x136/0x540
[ 1175.443196] Total swap = 0kB
[ 1175.446639]  fallback_alloc+0x1fd/0x2d0
[ 1175.452237] 1965979 pages RAM
[ 1175.457627]  ____cache_alloc_node+0x1be/0x1e0
[ 1175.460619] 0 pages HighMem/MovableOnly
[ 1175.465372]  kmem_cache_alloc_node+0xe3/0x710
[ 1175.468384] 341741 pages reserved
[ 1175.468392] 0 pages cma reserved
[ 1175.472384]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1175.475554] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1175.480004]  __alloc_skb+0xd5/0x5f0
[ 1175.484061] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1175.488474]  ? skb_trim+0x190/0x190
[ 1175.491917] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1175.495280]  ? kasan_check_read+0x11/0x20
[ 1175.533425]  ndisc_alloc_skb+0x13c/0x340
[ 1175.537490]  ndisc_send_rs+0x35f/0x6e0
[ 1175.541405]  addrconf_rs_timer+0x30f/0x680
[ 1175.545654]  ? ipv6_get_lladdr+0x490/0x490
[ 1175.549917]  call_timer_fn+0x18d/0x720
[ 1175.553829]  ? ipv6_get_lladdr+0x490/0x490
[ 1175.558076]  ? process_timeout+0x40/0x40
[ 1175.562143]  ? run_timer_softirq+0x644/0x16a0
[ 1175.566664]  ? trace_hardirqs_on+0x67/0x220
[ 1175.571010]  ? ipv6_get_lladdr+0x490/0x490
[ 1175.575254]  run_timer_softirq+0x64f/0x16a0
[ 1175.579590]  ? add_timer+0xbe0/0xbe0
[ 1175.583339]  ? __lock_is_held+0xb6/0x140
[ 1175.587434]  __do_softirq+0x25c/0x921
[ 1175.591335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1175.596876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1175.602419]  irq_exit+0x180/0x1d0
[ 1175.605890]  smp_apic_timer_interrupt+0x13b/0x550
[ 1175.610835]  apic_timer_interrupt+0xf/0x20
[ 1175.615067]  </IRQ>
[ 1175.617318] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1175.622176] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1175.641105] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1175.648926] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1175.656205] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1175.663497] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1175.670761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1175.678024] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1175.685318]  ? netconsole_netdev_event+0x280/0x280
[ 1175.690266]  ? console_unlock+0xf36/0x10d0
[ 1175.694511]  vprintk_emit+0x280/0x6d0
[ 1175.698313]  vprintk_default+0x28/0x30
[ 1175.702220]  vprintk_func+0x7e/0x189
[ 1175.705951]  printk+0xba/0xed
[ 1175.709068]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1175.713849]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1175.718363]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1175.723409]  dump_header+0x44b/0xa55
[ 1175.727139]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1175.732316]  ? ___ratelimit+0x60/0x595
[ 1175.736232]  ? do_raw_spin_unlock+0x181/0x270
[ 1175.740744]  oom_kill_process.cold+0x10/0x6ef
[ 1175.745302]  ? lock_downgrade+0x880/0x880
[ 1175.749497]  ? kasan_check_read+0x11/0x20
[ 1175.753653]  out_of_memory+0x362/0x1330
[ 1175.758006]  ? oom_killer_disable+0x280/0x280
[ 1175.762514]  ? mutex_trylock+0x18e/0x1e0
[ 1175.766584]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1175.771521]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1175.776409]  ? warn_alloc+0x110/0x110
[ 1175.780215]  ? __lock_is_held+0xb6/0x140
[ 1175.784302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1175.789853]  ? should_fail+0x14d/0x85c
[ 1175.793747]  ? __might_sleep+0x95/0x190
[ 1175.797750]  __alloc_pages_nodemask+0x617/0x750
[ 1175.802441]  ? kasan_check_read+0x11/0x20
[ 1175.806593]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1175.811619]  ? find_get_entry+0x3e1/0xa00
[ 1175.815773]  ? find_get_pages_contig+0xed0/0xed0
[ 1175.820525]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1175.826082]  alloc_pages_current+0x107/0x210
[ 1175.830493]  __page_cache_alloc+0x2bd/0x450
[ 1175.834823]  ? kasan_check_read+0x11/0x20
[ 1175.838988]  filemap_fault+0xfeb/0x1f00
[ 1175.842958]  ? lock_downgrade+0x880/0x880
[ 1175.847128]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1175.851832]  ? lock_acquire+0x16f/0x3f0
[ 1175.855820]  ? ext4_filemap_fault+0x7b/0xaf
[ 1175.860148]  ext4_filemap_fault+0x83/0xaf
[ 1175.864296]  __do_fault+0x111/0x480
[ 1175.867952]  __handle_mm_fault+0x2d78/0x3f80
[ 1175.872403]  ? copy_page_range+0x2030/0x2030
[ 1175.876850]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1175.881536]  handle_mm_fault+0x1b5/0x690
[ 1175.885616]  __do_page_fault+0x62a/0xe90
[ 1175.889734]  ? vmalloc_fault+0x740/0x740
[ 1175.893848]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1175.898886]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1175.903832]  ? page_fault+0x8/0x30
[ 1175.907461]  do_page_fault+0x71/0x57d
[ 1175.911259]  ? page_fault+0x8/0x30
[ 1175.914828]  page_fault+0x1e/0x30
[ 1175.918287] RIP: 0033:0x45b153
[ 1175.921496] Code: Bad RIP value.
[ 1175.924854] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1175.930215] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1175.937505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1175.944880] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1175.952165] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1175.959441] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1175.966742] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1175.966802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1175.974459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1175.974489] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1175.974495] Call Trace:
[ 1175.974502]  <IRQ>
[ 1175.974520]  dump_stack+0x197/0x210
[ 1175.974540]  warn_alloc.cold+0x7b/0x173
[ 1175.981082] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1175.990386]  ? zone_watermark_ok_safe+0x260/0x260
[ 1175.997474] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1176.000072]  ? __cpuset_node_allowed+0x136/0x540
[ 1176.034341]  ? __isolate_free_page+0x4c0/0x4c0
[ 1176.038934]  ? wake_all_kswapds+0x14d/0x300
[ 1176.043277]  __alloc_pages_slowpath+0x2214/0x2870
[ 1176.048157]  ? warn_alloc+0x110/0x110
[ 1176.051960]  ? __lock_acquire+0x6ee/0x49c0
[ 1176.056191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1176.061728]  ? should_fail+0x14d/0x85c
[ 1176.065676]  ? __isolate_free_page+0x4c0/0x4c0
[ 1176.070317]  __alloc_pages_nodemask+0x617/0x750
[ 1176.074988]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1176.080005]  ? find_held_lock+0x35/0x130
[ 1176.084082]  cache_grow_begin+0x91/0x8c0
[ 1176.088159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1176.093724]  ? __cpuset_node_allowed+0x136/0x540
[ 1176.098494]  fallback_alloc+0x1fd/0x2d0
[ 1176.102494]  ____cache_alloc_node+0x1be/0x1e0
[ 1176.107020]  kmem_cache_alloc_node+0xe3/0x710
[ 1176.111511]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1176.115748]  __alloc_skb+0xd5/0x5f0
[ 1176.119375]  ? skb_trim+0x190/0x190
[ 1176.123144]  ? kasan_check_read+0x11/0x20
[ 1176.127300]  ndisc_alloc_skb+0x13c/0x340
[ 1176.131359]  ndisc_send_rs+0x35f/0x6e0
[ 1176.135248]  addrconf_rs_timer+0x30f/0x680
[ 1176.139484]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.143724]  call_timer_fn+0x18d/0x720
[ 1176.147608]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.151856]  ? process_timeout+0x40/0x40
[ 1176.155909]  ? run_timer_softirq+0x644/0x16a0
[ 1176.160416]  ? trace_hardirqs_on+0x67/0x220
[ 1176.164757]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.168988]  run_timer_softirq+0x64f/0x16a0
[ 1176.173321]  ? add_timer+0xbe0/0xbe0
[ 1176.177030]  ? __lock_is_held+0xb6/0x140
[ 1176.181096]  __do_softirq+0x25c/0x921
[ 1176.184887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1176.190414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1176.195954]  irq_exit+0x180/0x1d0
[ 1176.199413]  smp_apic_timer_interrupt+0x13b/0x550
[ 1176.204249]  apic_timer_interrupt+0xf/0x20
[ 1176.208469]  </IRQ>
[ 1176.210702] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1176.215636] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1176.234614] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1176.242330] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1176.249622] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1176.257510] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1176.265063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1176.272370] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1176.279702]  ? find_held_lock+0x35/0x130
[ 1176.283779]  ? process_one_work+0x890/0x1750
[ 1176.288225]  skb_clone+0x156/0x3e0
[ 1176.291785]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1176.298108]  process_one_work+0x989/0x1750
[ 1176.302359]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1176.307035]  ? lock_acquire+0x16f/0x3f0
[ 1176.311020]  ? kasan_check_write+0x14/0x20
[ 1176.315246]  ? do_raw_spin_lock+0xd7/0x250
[ 1176.319479]  worker_thread+0x98/0xe40
[ 1176.323632]  ? trace_hardirqs_on+0x67/0x220
[ 1176.327962]  kthread+0x354/0x420
[ 1176.331323]  ? process_one_work+0x1750/0x1750
[ 1176.335815]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1176.341346]  ret_from_fork+0x24/0x30
[ 1176.345062] warn_alloc_show_mem: 1 callbacks suppressed
[ 1176.345072] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1176.345074] Mem-Info:
[ 1176.345105] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1176.345105]  active_file:13 inactive_file:13 isolated_file:0
[ 1176.345105]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1176.345105]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1176.345105]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1176.345105]  free:10948 free_pcp:188 free_cma:0
[ 1176.350448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1176.350456] Call Trace:
[ 1176.357939] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1176.360344]  <IRQ>
[ 1176.393582] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1176.403069]  dump_stack+0x197/0x210
[ 1176.405639] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1176.433244]  warn_alloc.cold+0x7b/0x173
[ 1176.435379] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1176.461246]  ? zone_watermark_ok_safe+0x260/0x260
[ 1176.464853] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1176.493796]  ? __cpuset_node_allowed+0x136/0x540
[ 1176.497754] lowmem_reserve[]: 0 0 1 1 1
[ 1176.502792]  ? __isolate_free_page+0x4c0/0x4c0
[ 1176.507602] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1176.536426]  ? wake_all_kswapds+0x14d/0x300
[ 1176.541160] lowmem_reserve[]: 0 0 0 0 0
[ 1176.545173]  __alloc_pages_slowpath+0x2214/0x2870
[ 1176.549735] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1176.575549]  ? warn_alloc+0x110/0x110
[ 1176.579861] lowmem_reserve[]: 0 0 0 0 0
[ 1176.583853]  ? __lock_acquire+0x6ee/0x49c0
[ 1176.588681] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1176.616483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1176.620262] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1176.624234]  ? should_fail+0x14d/0x85c
[ 1176.628481] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1176.641002]  ? __isolate_free_page+0x4c0/0x4c0
[ 1176.646548] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1176.661826]  __alloc_pages_nodemask+0x617/0x750
[ 1176.665705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1176.676386]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1176.680957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1176.696755]  ? find_held_lock+0x35/0x130
[ 1176.701420] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1176.710260]  cache_grow_begin+0x91/0x8c0
[ 1176.715246] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1176.715255] 279 total pagecache pages
[ 1176.723951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1176.728016] 0 pages in swap cache
[ 1176.737010]  ? __cpuset_node_allowed+0x136/0x540
[ 1176.741048] Swap cache stats: add 0, delete 0, find 0/0
[ 1176.749649]  fallback_alloc+0x1fd/0x2d0
[ 1176.753434] Free swap  = 0kB
[ 1176.759067]  ____cache_alloc_node+0x1be/0x1e0
[ 1176.762488] Total swap = 0kB
[ 1176.762498] 1965979 pages RAM
[ 1176.767277]  kmem_cache_alloc_node+0xe3/0x710
[ 1176.772638] 0 pages HighMem/MovableOnly
[ 1176.776632]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1176.779641] 341741 pages reserved
[ 1176.784145]  __alloc_skb+0xd5/0x5f0
[ 1176.787144] 0 pages cma reserved
[ 1176.787212] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1176.790269]  ? skb_trim+0x190/0x190
[ 1176.794814] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1176.798740]  ? kasan_check_read+0x11/0x20
[ 1176.802964] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1176.806426]  ndisc_alloc_skb+0x13c/0x340
[ 1176.852097]  ndisc_send_rs+0x35f/0x6e0
[ 1176.855988]  addrconf_rs_timer+0x30f/0x680
[ 1176.860238]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.864500]  call_timer_fn+0x18d/0x720
[ 1176.868417]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.872670]  ? process_timeout+0x40/0x40
[ 1176.876727]  ? run_timer_softirq+0x644/0x16a0
[ 1176.881238]  ? trace_hardirqs_on+0x67/0x220
[ 1176.885586]  ? ipv6_get_lladdr+0x490/0x490
[ 1176.889818]  run_timer_softirq+0x64f/0x16a0
[ 1176.894160]  ? add_timer+0xbe0/0xbe0
[ 1176.897891]  ? __lock_is_held+0xb6/0x140
[ 1176.901960]  __do_softirq+0x25c/0x921
[ 1176.905784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1176.911407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1176.916983]  irq_exit+0x180/0x1d0
[ 1176.920457]  smp_apic_timer_interrupt+0x13b/0x550
[ 1176.925302]  apic_timer_interrupt+0xf/0x20
[ 1176.929527]  </IRQ>
[ 1176.931771] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1176.936622] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1176.955542] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1176.963272] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1176.970553] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1176.977828] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1176.985096] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1176.992370] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1176.999663]  ? netconsole_netdev_event+0x280/0x280
[ 1177.004601]  ? console_unlock+0xf36/0x10d0
[ 1177.008913]  vprintk_emit+0x280/0x6d0
[ 1177.012731]  vprintk_default+0x28/0x30
[ 1177.016617]  vprintk_func+0x7e/0x189
[ 1177.020328]  printk+0xba/0xed
[ 1177.023429]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1177.028216]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1177.032730]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1177.037949]  dump_header+0x44b/0xa55
[ 1177.041666]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1177.046801]  ? ___ratelimit+0x60/0x595
[ 1177.050710]  ? do_raw_spin_unlock+0x181/0x270
[ 1177.055210]  oom_kill_process.cold+0x10/0x6ef
[ 1177.059708]  ? lock_downgrade+0x880/0x880
[ 1177.063872]  ? kasan_check_read+0x11/0x20
[ 1177.068023]  out_of_memory+0x362/0x1330
[ 1177.072008]  ? oom_killer_disable+0x280/0x280
[ 1177.076505]  ? mutex_trylock+0x18e/0x1e0
[ 1177.080686]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1177.085759]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1177.090638]  ? warn_alloc+0x110/0x110
[ 1177.094448]  ? __lock_is_held+0xb6/0x140
[ 1177.098513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1177.104050]  ? should_fail+0x14d/0x85c
[ 1177.107956]  ? __might_sleep+0x95/0x190
[ 1177.111939]  __alloc_pages_nodemask+0x617/0x750
[ 1177.116612]  ? kasan_check_read+0x11/0x20
[ 1177.120762]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1177.125791]  ? find_get_entry+0x3e1/0xa00
[ 1177.129965]  ? find_get_pages_contig+0xed0/0xed0
[ 1177.134741]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1177.140326]  alloc_pages_current+0x107/0x210
[ 1177.144739]  __page_cache_alloc+0x2bd/0x450
[ 1177.149081]  ? kasan_check_read+0x11/0x20
[ 1177.153302]  filemap_fault+0xfeb/0x1f00
[ 1177.157324]  ? lock_downgrade+0x880/0x880
[ 1177.161490]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1177.166175]  ? lock_acquire+0x16f/0x3f0
[ 1177.170164]  ? ext4_filemap_fault+0x7b/0xaf
[ 1177.174644]  ext4_filemap_fault+0x83/0xaf
[ 1177.178907]  __do_fault+0x111/0x480
[ 1177.182550]  __handle_mm_fault+0x2d78/0x3f80
[ 1177.187019]  ? copy_page_range+0x2030/0x2030
[ 1177.191448]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1177.196115]  handle_mm_fault+0x1b5/0x690
[ 1177.200182]  __do_page_fault+0x62a/0xe90
[ 1177.204249]  ? vmalloc_fault+0x740/0x740
[ 1177.208312]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1177.213341]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1177.219011]  ? page_fault+0x8/0x30
[ 1177.222648]  do_page_fault+0x71/0x57d
[ 1177.226449]  ? page_fault+0x8/0x30
[ 1177.229987]  page_fault+0x1e/0x30
[ 1177.233434] RIP: 0033:0x45b153
[ 1177.236667] Code: Bad RIP value.
[ 1177.240036] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1177.245394] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1177.252770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1177.260044] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1177.267309] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1177.274616] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1177.282021] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1177.282094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1177.289753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1177.289779] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1177.296483] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1177.305743] Call Trace:
[ 1177.312955] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1177.323178]  <IRQ>
[ 1177.332654]  dump_stack+0x197/0x210
[ 1177.336316]  warn_alloc.cold+0x7b/0x173
[ 1177.340322]  ? zone_watermark_ok_safe+0x260/0x260
[ 1177.345183]  ? __cpuset_node_allowed+0x136/0x540
[ 1177.349945]  ? __isolate_free_page+0x4c0/0x4c0
[ 1177.354533]  ? wake_all_kswapds+0x14d/0x300
[ 1177.358985]  __alloc_pages_slowpath+0x2214/0x2870
[ 1177.363858]  ? warn_alloc+0x110/0x110
[ 1177.367686]  ? __lock_acquire+0x6ee/0x49c0
[ 1177.371928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1177.377482]  ? should_fail+0x14d/0x85c
[ 1177.381371]  ? __isolate_free_page+0x4c0/0x4c0
[ 1177.385991]  __alloc_pages_nodemask+0x617/0x750
[ 1177.390664]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1177.395712]  ? find_held_lock+0x35/0x130
[ 1177.399789]  cache_grow_begin+0x91/0x8c0
[ 1177.403846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1177.409500]  ? __cpuset_node_allowed+0x136/0x540
[ 1177.414366]  fallback_alloc+0x1fd/0x2d0
[ 1177.418355]  ____cache_alloc_node+0x1be/0x1e0
[ 1177.422848]  kmem_cache_alloc_node+0xe3/0x710
[ 1177.427353]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1177.431630]  __alloc_skb+0xd5/0x5f0
[ 1177.435387]  ? skb_trim+0x190/0x190
[ 1177.439039]  ? kasan_check_read+0x11/0x20
[ 1177.443206]  ndisc_alloc_skb+0x13c/0x340
[ 1177.447282]  ndisc_send_rs+0x35f/0x6e0
[ 1177.451172]  addrconf_rs_timer+0x30f/0x680
[ 1177.455406]  ? ipv6_get_lladdr+0x490/0x490
[ 1177.459659]  call_timer_fn+0x18d/0x720
[ 1177.463550]  ? ipv6_get_lladdr+0x490/0x490
[ 1177.467780]  ? process_timeout+0x40/0x40
[ 1177.471834]  ? run_timer_softirq+0x644/0x16a0
[ 1177.476554]  ? trace_hardirqs_on+0x67/0x220
[ 1177.480993]  ? ipv6_get_lladdr+0x490/0x490
[ 1177.485236]  run_timer_softirq+0x64f/0x16a0
[ 1177.489576]  ? add_timer+0xbe0/0xbe0
[ 1177.493314]  ? __lock_is_held+0xb6/0x140
[ 1177.497388]  __do_softirq+0x25c/0x921
[ 1177.501308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1177.507207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1177.512760]  irq_exit+0x180/0x1d0
[ 1177.516216]  smp_apic_timer_interrupt+0x13b/0x550
[ 1177.521056]  apic_timer_interrupt+0xf/0x20
[ 1177.525280]  </IRQ>
[ 1177.527515] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1177.532449] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1177.551357] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1177.559070] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1177.566349] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1177.573623] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1177.580885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1177.588165] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1177.595466]  ? find_held_lock+0x35/0x130
[ 1177.599527]  ? process_one_work+0x890/0x1750
[ 1177.603951]  skb_clone+0x156/0x3e0
[ 1177.607495]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1177.613830]  process_one_work+0x989/0x1750
[ 1177.618069]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1177.622731]  ? lock_acquire+0x16f/0x3f0
[ 1177.626703]  ? kasan_check_write+0x14/0x20
[ 1177.630958]  ? do_raw_spin_lock+0xd7/0x250
[ 1177.635321]  worker_thread+0x98/0xe40
[ 1177.639135]  ? trace_hardirqs_on+0x67/0x220
[ 1177.643500]  kthread+0x354/0x420
[ 1177.646882]  ? process_one_work+0x1750/0x1750
[ 1177.651382]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1177.657052]  ret_from_fork+0x24/0x30
[ 1177.660877] warn_alloc_show_mem: 1 callbacks suppressed
[ 1177.660888] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1177.660890] Mem-Info:
[ 1177.660919] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1177.660919]  active_file:13 inactive_file:13 isolated_file:0
[ 1177.660919]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1177.660919]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1177.660919]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1177.660919]  free:10948 free_pcp:188 free_cma:0
[ 1177.666267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1177.666274] Call Trace:
[ 1177.673750] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1177.676160]  <IRQ>
[ 1177.709249] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1177.718592]  dump_stack+0x197/0x210
[ 1177.721604] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1177.749422]  warn_alloc.cold+0x7b/0x173
[ 1177.751544] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1177.777535]  ? zone_watermark_ok_safe+0x260/0x260
[ 1177.781145] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1177.807272]  ? __cpuset_node_allowed+0x136/0x540
[ 1177.811218] lowmem_reserve[]: 0 0 1 1 1
[ 1177.816249]  ? __isolate_free_page+0x4c0/0x4c0
[ 1177.821077] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1177.849906]  ? wake_all_kswapds+0x14d/0x300
[ 1177.854653] lowmem_reserve[]: 0 0 0 0 0
[ 1177.858646]  __alloc_pages_slowpath+0x2214/0x2870
[ 1177.863212] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1177.889006]  ? warn_alloc+0x110/0x110
[ 1177.893292] lowmem_reserve[]: 0 0 0 0 0
[ 1177.897277]  ? __lock_acquire+0x6ee/0x49c0
[ 1177.902108] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1177.929884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1177.933656] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1177.937653]  ? should_fail+0x14d/0x85c
[ 1177.941879] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1177.954379]  ? __isolate_free_page+0x4c0/0x4c0
[ 1177.959891] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1177.975175]  __alloc_pages_nodemask+0x617/0x750
[ 1177.979035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1177.989693]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1177.994246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1178.010030]  ? find_held_lock+0x35/0x130
[ 1178.014696] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1178.023539]  cache_grow_begin+0x91/0x8c0
[ 1178.028532] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1178.037095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1178.041131] 279 total pagecache pages
[ 1178.049973]  ? __cpuset_node_allowed+0x136/0x540
[ 1178.054018] 0 pages in swap cache
[ 1178.062600]  fallback_alloc+0x1fd/0x2d0
[ 1178.068127] Swap cache stats: add 0, delete 0, find 0/0
[ 1178.068140] Free swap  = 0kB
[ 1178.071941]  ____cache_alloc_node+0x1be/0x1e0
[ 1178.076676] Total swap = 0kB
[ 1178.080124]  kmem_cache_alloc_node+0xe3/0x710
[ 1178.084070] 1965979 pages RAM
[ 1178.089441]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1178.093299] 0 pages HighMem/MovableOnly
[ 1178.093307] 341741 pages reserved
[ 1178.097810]  __alloc_skb+0xd5/0x5f0
[ 1178.100807] 0 pages cma reserved
[ 1178.100875] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1178.105344]  ? skb_trim+0x190/0x190
[ 1178.105358]  ? kasan_check_read+0x11/0x20
[ 1178.105384]  ndisc_alloc_skb+0x13c/0x340
[ 1178.108528] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1178.112885]  ndisc_send_rs+0x35f/0x6e0
[ 1178.116834] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1178.120294]  addrconf_rs_timer+0x30f/0x680
[ 1178.168930]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.173182]  call_timer_fn+0x18d/0x720
[ 1178.177067]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.181311]  ? process_timeout+0x40/0x40
[ 1178.185365]  ? run_timer_softirq+0x644/0x16a0
[ 1178.189855]  ? trace_hardirqs_on+0x67/0x220
[ 1178.194174]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.198399]  run_timer_softirq+0x64f/0x16a0
[ 1178.203255]  ? add_timer+0xbe0/0xbe0
[ 1178.207034]  ? __lock_is_held+0xb6/0x140
[ 1178.211122]  __do_softirq+0x25c/0x921
[ 1178.214917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1178.220461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1178.226010]  irq_exit+0x180/0x1d0
[ 1178.229478]  smp_apic_timer_interrupt+0x13b/0x550
[ 1178.234330]  apic_timer_interrupt+0xf/0x20
[ 1178.238564]  </IRQ>
[ 1178.240810] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1178.245658] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1178.264658] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1178.272384] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1178.279656] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1178.286945] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1178.294343] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1178.301613] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1178.308898]  ? netconsole_netdev_event+0x280/0x280
[ 1178.313829]  ? console_unlock+0xf36/0x10d0
[ 1178.318111]  vprintk_emit+0x280/0x6d0
[ 1178.321910]  vprintk_default+0x28/0x30
[ 1178.325804]  vprintk_func+0x7e/0x189
[ 1178.329517]  printk+0xba/0xed
[ 1178.332621]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1178.337375]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1178.341884]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1178.346992]  dump_header+0x44b/0xa55
[ 1178.350703]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1178.355826]  ? ___ratelimit+0x60/0x595
[ 1178.359709]  ? do_raw_spin_unlock+0x181/0x270
[ 1178.364204]  oom_kill_process.cold+0x10/0x6ef
[ 1178.368718]  ? lock_downgrade+0x880/0x880
[ 1178.372888]  ? kasan_check_read+0x11/0x20
[ 1178.377059]  out_of_memory+0x362/0x1330
[ 1178.381167]  ? oom_killer_disable+0x280/0x280
[ 1178.385808]  ? mutex_trylock+0x18e/0x1e0
[ 1178.389928]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1178.394871]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1178.399848]  ? warn_alloc+0x110/0x110
[ 1178.403645]  ? __lock_is_held+0xb6/0x140
[ 1178.407702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1178.413257]  ? should_fail+0x14d/0x85c
[ 1178.417291]  ? __might_sleep+0x95/0x190
[ 1178.421282]  __alloc_pages_nodemask+0x617/0x750
[ 1178.425992]  ? kasan_check_read+0x11/0x20
[ 1178.430141]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1178.435168]  ? find_get_entry+0x3e1/0xa00
[ 1178.439333]  ? find_get_pages_contig+0xed0/0xed0
[ 1178.444097]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1178.449657]  alloc_pages_current+0x107/0x210
[ 1178.454085]  __page_cache_alloc+0x2bd/0x450
[ 1178.458406]  ? kasan_check_read+0x11/0x20
[ 1178.462603]  filemap_fault+0xfeb/0x1f00
[ 1178.466579]  ? lock_downgrade+0x880/0x880
[ 1178.470729]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1178.475526]  ? lock_acquire+0x16f/0x3f0
[ 1178.479516]  ? ext4_filemap_fault+0x7b/0xaf
[ 1178.483875]  ext4_filemap_fault+0x83/0xaf
[ 1178.488024]  __do_fault+0x111/0x480
[ 1178.491662]  __handle_mm_fault+0x2d78/0x3f80
[ 1178.496118]  ? copy_page_range+0x2030/0x2030
[ 1178.500584]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1178.505252]  handle_mm_fault+0x1b5/0x690
[ 1178.509342]  __do_page_fault+0x62a/0xe90
[ 1178.513410]  ? vmalloc_fault+0x740/0x740
[ 1178.517472]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1178.522517]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1178.527453]  ? page_fault+0x8/0x30
[ 1178.531025]  do_page_fault+0x71/0x57d
[ 1178.534830]  ? page_fault+0x8/0x30
[ 1178.538369]  page_fault+0x1e/0x30
[ 1178.541843] RIP: 0033:0x45b153
[ 1178.545043] Code: Bad RIP value.
[ 1178.548410] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1178.553781] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1178.561204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1178.568491] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1178.575766] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1178.583056] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1178.590470] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1178.590530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1178.598184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1178.598211] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1178.598217] Call Trace:
[ 1178.598224]  <IRQ>
[ 1178.598242]  dump_stack+0x197/0x210
[ 1178.598262]  warn_alloc.cold+0x7b/0x173
[ 1178.604956] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1178.614222]  ? zone_watermark_ok_safe+0x260/0x260
[ 1178.621306] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1178.623903]  ? __cpuset_node_allowed+0x136/0x540
[ 1178.658323]  ? __isolate_free_page+0x4c0/0x4c0
[ 1178.662927]  ? wake_all_kswapds+0x14d/0x300
[ 1178.667252]  __alloc_pages_slowpath+0x2214/0x2870
[ 1178.672107]  ? warn_alloc+0x110/0x110
[ 1178.675948]  ? __lock_acquire+0x6ee/0x49c0
[ 1178.680196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1178.685762]  ? should_fail+0x14d/0x85c
[ 1178.689655]  ? __isolate_free_page+0x4c0/0x4c0
[ 1178.694241]  __alloc_pages_nodemask+0x617/0x750
[ 1178.698938]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1178.703968]  ? find_held_lock+0x35/0x130
[ 1178.708145]  cache_grow_begin+0x91/0x8c0
[ 1178.712225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1178.717782]  ? __cpuset_node_allowed+0x136/0x540
[ 1178.722542]  fallback_alloc+0x1fd/0x2d0
[ 1178.726533]  ____cache_alloc_node+0x1be/0x1e0
[ 1178.731042]  kmem_cache_alloc_node+0xe3/0x710
[ 1178.735551]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1178.739801]  __alloc_skb+0xd5/0x5f0
[ 1178.743442]  ? skb_trim+0x190/0x190
[ 1178.747069]  ? kasan_check_read+0x11/0x20
[ 1178.751239]  ndisc_alloc_skb+0x13c/0x340
[ 1178.755318]  ndisc_send_rs+0x35f/0x6e0
[ 1178.759209]  addrconf_rs_timer+0x30f/0x680
[ 1178.763455]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.767706]  call_timer_fn+0x18d/0x720
[ 1178.771592]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.775837]  ? process_timeout+0x40/0x40
[ 1178.779931]  ? run_timer_softirq+0x644/0x16a0
[ 1178.784451]  ? trace_hardirqs_on+0x67/0x220
[ 1178.788834]  ? ipv6_get_lladdr+0x490/0x490
[ 1178.793066]  run_timer_softirq+0x64f/0x16a0
[ 1178.797388]  ? add_timer+0xbe0/0xbe0
[ 1178.801140]  ? __lock_is_held+0xb6/0x140
[ 1178.805216]  __do_softirq+0x25c/0x921
[ 1178.809008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1178.814680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1178.820248]  irq_exit+0x180/0x1d0
[ 1178.823702]  smp_apic_timer_interrupt+0x13b/0x550
[ 1178.828555]  apic_timer_interrupt+0xf/0x20
[ 1178.833325]  </IRQ>
[ 1178.835587] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1178.840518] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1178.859645] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1178.867351] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1178.874622] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1178.881906] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1178.889175] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1178.896533] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1178.903836]  ? find_held_lock+0x35/0x130
[ 1178.907915]  ? process_one_work+0x890/0x1750
[ 1178.912323]  skb_clone+0x156/0x3e0
[ 1178.915876]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1178.922217]  process_one_work+0x989/0x1750
[ 1178.926486]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1178.931163]  ? lock_acquire+0x16f/0x3f0
[ 1178.935139]  ? kasan_check_write+0x14/0x20
[ 1178.939369]  ? do_raw_spin_lock+0xd7/0x250
[ 1178.943613]  worker_thread+0x98/0xe40
[ 1178.947413]  ? trace_hardirqs_on+0x67/0x220
[ 1178.951740]  kthread+0x354/0x420
[ 1178.955138]  ? process_one_work+0x1750/0x1750
[ 1178.960224]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1178.965767]  ret_from_fork+0x24/0x30
[ 1178.969497] warn_alloc_show_mem: 1 callbacks suppressed
[ 1178.969508] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1178.969510] Mem-Info:
[ 1178.969543] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1178.969543]  active_file:13 inactive_file:13 isolated_file:0
[ 1178.969543]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1178.969543]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1178.969543]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1178.969543]  free:10948 free_pcp:188 free_cma:0
[ 1178.974879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1178.982341] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1178.984745] Call Trace:
[ 1179.017745] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1179.027079]  <IRQ>
[ 1179.054782] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1179.057383]  dump_stack+0x197/0x210
[ 1179.083205] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1179.085381]  warn_alloc.cold+0x7b/0x173
[ 1179.111488] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1179.115129]  ? zone_watermark_ok_safe+0x260/0x260
[ 1179.120114] lowmem_reserve[]: 0 0 1 1 1
[ 1179.124131]  ? __cpuset_node_allowed+0x136/0x540
[ 1179.152927] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1179.157781]  ? __isolate_free_page+0x4c0/0x4c0
[ 1179.161718] lowmem_reserve[]: 0 0 0 0 0
[ 1179.166507]  ? wake_all_kswapds+0x14d/0x300
[ 1179.192257] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1179.196868]  __alloc_pages_slowpath+0x2214/0x2870
[ 1179.200814] lowmem_reserve[]: 0 0 0 0 0
[ 1179.208274]  ? warn_alloc+0x110/0x110
[ 1179.236056] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1179.241094]  ? __lock_acquire+0x6ee/0x49c0
[ 1179.245043] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1179.248850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1179.261441] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1179.265711]  ? should_fail+0x14d/0x85c
[ 1179.280958] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1179.286583]  ? __isolate_free_page+0x4c0/0x4c0
[ 1179.297213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1179.301124]  __alloc_pages_nodemask+0x617/0x750
[ 1179.317157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1179.321753]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1179.330574] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1179.335250]  ? find_held_lock+0x35/0x130
[ 1179.343821] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1179.348847]  cache_grow_begin+0x91/0x8c0
[ 1179.357676] 279 total pagecache pages
[ 1179.361766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1179.370336] 0 pages in swap cache
[ 1179.374402]  ? __cpuset_node_allowed+0x136/0x540
[ 1179.378183] Swap cache stats: add 0, delete 0, find 0/0
[ 1179.383736]  fallback_alloc+0x1fd/0x2d0
[ 1179.387178] Free swap  = 0kB
[ 1179.393967]  ____cache_alloc_node+0x1be/0x1e0
[ 1179.399316] Total swap = 0kB
[ 1179.403304]  kmem_cache_alloc_node+0xe3/0x710
[ 1179.406319] 1965979 pages RAM
[ 1179.410817]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1179.413802] 0 pages HighMem/MovableOnly
[ 1179.413809] 341741 pages reserved
[ 1179.418686]  __alloc_skb+0xd5/0x5f0
[ 1179.421762] 0 pages cma reserved
[ 1179.425987]  ? skb_trim+0x190/0x190
[ 1179.430028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1179.433409]  ? kasan_check_read+0x11/0x20
[ 1179.433435]  ndisc_alloc_skb+0x13c/0x340
[ 1179.433453]  ndisc_send_rs+0x35f/0x6e0
[ 1179.437126] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1179.440469]  addrconf_rs_timer+0x30f/0x680
[ 1179.444074] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1179.450594]  ? ipv6_get_lladdr+0x490/0x490
[ 1179.486572]  call_timer_fn+0x18d/0x720
[ 1179.490472]  ? ipv6_get_lladdr+0x490/0x490
[ 1179.494717]  ? process_timeout+0x40/0x40
[ 1179.498781]  ? run_timer_softirq+0x644/0x16a0
[ 1179.503279]  ? trace_hardirqs_on+0x67/0x220
[ 1179.507600]  ? ipv6_get_lladdr+0x490/0x490
[ 1179.511846]  run_timer_softirq+0x64f/0x16a0
[ 1179.516302]  ? add_timer+0xbe0/0xbe0
[ 1179.520019]  ? __lock_is_held+0xb6/0x140
[ 1179.524098]  __do_softirq+0x25c/0x921
[ 1179.527894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1179.533428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1179.539001]  irq_exit+0x180/0x1d0
[ 1179.542455]  smp_apic_timer_interrupt+0x13b/0x550
[ 1179.547292]  apic_timer_interrupt+0xf/0x20
[ 1179.551531]  </IRQ>
[ 1179.553765] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1179.558612] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1179.577536] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1179.585254] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1179.592530] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1179.599798] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1179.607068] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1179.614331] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1179.621621]  ? netconsole_netdev_event+0x280/0x280
[ 1179.626565]  ? console_unlock+0xf36/0x10d0
[ 1179.630814]  vprintk_emit+0x280/0x6d0
[ 1179.634638]  vprintk_default+0x28/0x30
[ 1179.638540]  vprintk_func+0x7e/0x189
[ 1179.642252]  printk+0xba/0xed
[ 1179.645371]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1179.650141]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1179.654643]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1179.659676]  dump_header+0x44b/0xa55
[ 1179.663401]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1179.668511]  ? ___ratelimit+0x60/0x595
[ 1179.672404]  ? do_raw_spin_unlock+0x181/0x270
[ 1179.676903]  oom_kill_process.cold+0x10/0x6ef
[ 1179.681407]  ? lock_downgrade+0x880/0x880
[ 1179.685554]  ? kasan_check_read+0x11/0x20
[ 1179.689711]  out_of_memory+0x362/0x1330
[ 1179.693701]  ? oom_killer_disable+0x280/0x280
[ 1179.698205]  ? mutex_trylock+0x18e/0x1e0
[ 1179.702285]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1179.707218]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1179.712090]  ? warn_alloc+0x110/0x110
[ 1179.715898]  ? __lock_is_held+0xb6/0x140
[ 1179.719965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1179.725495]  ? should_fail+0x14d/0x85c
[ 1179.729404]  ? __might_sleep+0x95/0x190
[ 1179.733384]  __alloc_pages_nodemask+0x617/0x750
[ 1179.738059]  ? kasan_check_read+0x11/0x20
[ 1179.742228]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1179.747252]  ? find_get_entry+0x3e1/0xa00
[ 1179.751421]  ? find_get_pages_contig+0xed0/0xed0
[ 1179.756173]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1179.761726]  alloc_pages_current+0x107/0x210
[ 1179.766155]  __page_cache_alloc+0x2bd/0x450
[ 1179.770467]  ? kasan_check_read+0x11/0x20
[ 1179.774623]  filemap_fault+0xfeb/0x1f00
[ 1179.778690]  ? lock_downgrade+0x880/0x880
[ 1179.782872]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1179.787544]  ? lock_acquire+0x16f/0x3f0
[ 1179.791518]  ? ext4_filemap_fault+0x7b/0xaf
[ 1179.795860]  ext4_filemap_fault+0x83/0xaf
[ 1179.800027]  __do_fault+0x111/0x480
[ 1179.803666]  __handle_mm_fault+0x2d78/0x3f80
[ 1179.808085]  ? copy_page_range+0x2030/0x2030
[ 1179.812505]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1179.817177]  handle_mm_fault+0x1b5/0x690
[ 1179.821252]  __do_page_fault+0x62a/0xe90
[ 1179.825329]  ? vmalloc_fault+0x740/0x740
[ 1179.829402]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1179.834444]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1179.839388]  ? page_fault+0x8/0x30
[ 1179.842929]  do_page_fault+0x71/0x57d
[ 1179.846741]  ? page_fault+0x8/0x30
[ 1179.850279]  page_fault+0x1e/0x30
[ 1179.853731] RIP: 0033:0x45b153
[ 1179.856937] Code: Bad RIP value.
[ 1179.860297] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1179.865650] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1179.872922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1179.880226] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1179.887489] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1179.894762] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1179.902072] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1179.902134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1179.909794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1179.909820] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1179.916392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1179.925652] Call Trace:
[ 1179.932747] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1179.942978]  <IRQ>
[ 1179.952463]  dump_stack+0x197/0x210
[ 1179.956107]  warn_alloc.cold+0x7b/0x173
[ 1179.960082]  ? zone_watermark_ok_safe+0x260/0x260
[ 1179.964920]  ? __cpuset_node_allowed+0x136/0x540
[ 1179.969705]  ? __isolate_free_page+0x4c0/0x4c0
[ 1179.974287]  ? wake_all_kswapds+0x14d/0x300
[ 1179.978613]  __alloc_pages_slowpath+0x2214/0x2870
[ 1179.983478]  ? warn_alloc+0x110/0x110
[ 1179.987280]  ? __lock_acquire+0x6ee/0x49c0
[ 1179.991507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1179.997040]  ? should_fail+0x14d/0x85c
[ 1180.000931]  ? __isolate_free_page+0x4c0/0x4c0
[ 1180.005514]  __alloc_pages_nodemask+0x617/0x750
[ 1180.010212]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1180.015244]  ? find_held_lock+0x35/0x130
[ 1180.019305]  cache_grow_begin+0x91/0x8c0
[ 1180.023375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1180.028923]  ? __cpuset_node_allowed+0x136/0x540
[ 1180.033690]  fallback_alloc+0x1fd/0x2d0
[ 1180.037666]  ____cache_alloc_node+0x1be/0x1e0
[ 1180.042171]  kmem_cache_alloc_node+0xe3/0x710
[ 1180.046678]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1180.050916]  __alloc_skb+0xd5/0x5f0
[ 1180.054535]  ? skb_trim+0x190/0x190
[ 1180.058158]  ? kasan_check_read+0x11/0x20
[ 1180.062419]  ndisc_alloc_skb+0x13c/0x340
[ 1180.066481]  ndisc_send_rs+0x35f/0x6e0
[ 1180.070386]  addrconf_rs_timer+0x30f/0x680
[ 1180.074637]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.078884]  call_timer_fn+0x18d/0x720
[ 1180.082772]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.086998]  ? process_timeout+0x40/0x40
[ 1180.091050]  ? run_timer_softirq+0x644/0x16a0
[ 1180.095542]  ? trace_hardirqs_on+0x67/0x220
[ 1180.099910]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.104144]  run_timer_softirq+0x64f/0x16a0
[ 1180.108487]  ? add_timer+0xbe0/0xbe0
[ 1180.112211]  ? __lock_is_held+0xb6/0x140
[ 1180.116291]  __do_softirq+0x25c/0x921
[ 1180.120088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1180.125634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1180.131178]  irq_exit+0x180/0x1d0
[ 1180.134628]  smp_apic_timer_interrupt+0x13b/0x550
[ 1180.139486]  apic_timer_interrupt+0xf/0x20
[ 1180.143719]  </IRQ>
[ 1180.145956] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1180.150954] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1180.169970] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1180.177687] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1180.184967] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1180.192256] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1180.199516] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1180.206791] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1180.214092]  ? find_held_lock+0x35/0x130
[ 1180.218150]  ? process_one_work+0x890/0x1750
[ 1180.222553]  skb_clone+0x156/0x3e0
[ 1180.226092]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1180.232437]  process_one_work+0x989/0x1750
[ 1180.236693]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1180.241368]  ? lock_acquire+0x16f/0x3f0
[ 1180.245353]  ? kasan_check_write+0x14/0x20
[ 1180.249596]  ? do_raw_spin_lock+0xd7/0x250
[ 1180.253855]  worker_thread+0x98/0xe40
[ 1180.257656]  ? trace_hardirqs_on+0x67/0x220
[ 1180.261986]  kthread+0x354/0x420
[ 1180.265350]  ? process_one_work+0x1750/0x1750
[ 1180.269847]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1180.275383]  ret_from_fork+0x24/0x30
[ 1180.279113] warn_alloc_show_mem: 1 callbacks suppressed
[ 1180.279123] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1180.279125] Mem-Info:
[ 1180.279155] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1180.279155]  active_file:13 inactive_file:13 isolated_file:0
[ 1180.279155]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1180.279155]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1180.279155]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1180.279155]  free:10948 free_pcp:188 free_cma:0
[ 1180.284513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1180.292681] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1180.295059] Call Trace:
[ 1180.295086]  <IRQ>
[ 1180.328895] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1180.338241]  dump_stack+0x197/0x210
[ 1180.366062] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1180.368661]  warn_alloc.cold+0x7b/0x173
[ 1180.370782] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1180.396628]  ? zone_watermark_ok_safe+0x260/0x260
[ 1180.400234] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1180.426351]  ? __cpuset_node_allowed+0x136/0x540
[ 1180.430287] lowmem_reserve[]: 0 0 1 1 1
[ 1180.435319]  ? __isolate_free_page+0x4c0/0x4c0
[ 1180.440131] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1180.469298]  ? wake_all_kswapds+0x14d/0x300
[ 1180.474039] lowmem_reserve[]: 0 0 0 0 0
[ 1180.478022]  __alloc_pages_slowpath+0x2214/0x2870
[ 1180.482573] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1180.508359]  ? warn_alloc+0x110/0x110
[ 1180.512645] lowmem_reserve[]: 0 0 0 0 0
[ 1180.516625]  ? __lock_acquire+0x6ee/0x49c0
[ 1180.521439] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1180.549212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1180.553074] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1180.557047]  ? should_fail+0x14d/0x85c
[ 1180.561254] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1180.573765]  ? __isolate_free_page+0x4c0/0x4c0
[ 1180.579276] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1180.594565]  __alloc_pages_nodemask+0x617/0x750
[ 1180.598449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1180.609109]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1180.613665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1180.629468]  ? find_held_lock+0x35/0x130
[ 1180.634141] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1180.642993]  cache_grow_begin+0x91/0x8c0
[ 1180.647988] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1180.656551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1180.660585] 279 total pagecache pages
[ 1180.669412]  ? __cpuset_node_allowed+0x136/0x540
[ 1180.673463] 0 pages in swap cache
[ 1180.682024]  fallback_alloc+0x1fd/0x2d0
[ 1180.687547] Swap cache stats: add 0, delete 0, find 0/0
[ 1180.691340]  ____cache_alloc_node+0x1be/0x1e0
[ 1180.696075] Free swap  = 0kB
[ 1180.696085] Total swap = 0kB
[ 1180.699545]  kmem_cache_alloc_node+0xe3/0x710
[ 1180.703495] 1965979 pages RAM
[ 1180.708853]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1180.713332] 0 pages HighMem/MovableOnly
[ 1180.713342] 341741 pages reserved
[ 1180.716375]  __alloc_skb+0xd5/0x5f0
[ 1180.719358] 0 pages cma reserved
[ 1180.723846]  ? skb_trim+0x190/0x190
[ 1180.726979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1180.731180]  ? kasan_check_read+0x11/0x20
[ 1180.735201] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1180.738580]  ndisc_alloc_skb+0x13c/0x340
[ 1180.742197] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1180.745573]  ndisc_send_rs+0x35f/0x6e0
[ 1180.783185]  addrconf_rs_timer+0x30f/0x680
[ 1180.787415]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.791647]  call_timer_fn+0x18d/0x720
[ 1180.795529]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.799752]  ? process_timeout+0x40/0x40
[ 1180.803811]  ? run_timer_softirq+0x644/0x16a0
[ 1180.808310]  ? trace_hardirqs_on+0x67/0x220
[ 1180.812623]  ? ipv6_get_lladdr+0x490/0x490
[ 1180.816847]  run_timer_softirq+0x64f/0x16a0
[ 1180.821163]  ? add_timer+0xbe0/0xbe0
[ 1180.824870]  ? __lock_is_held+0xb6/0x140
[ 1180.828935]  __do_softirq+0x25c/0x921
[ 1180.832724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1180.838246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1180.843781]  irq_exit+0x180/0x1d0
[ 1180.847237]  smp_apic_timer_interrupt+0x13b/0x550
[ 1180.852072]  apic_timer_interrupt+0xf/0x20
[ 1180.856292]  </IRQ>
[ 1180.858521] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1180.863364] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1180.882270] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1180.889999] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1180.897269] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1180.904662] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1180.911931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1180.919208] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1180.926517]  ? netconsole_netdev_event+0x280/0x280
[ 1180.931476]  ? console_unlock+0xf36/0x10d0
[ 1180.935736]  vprintk_emit+0x280/0x6d0
[ 1180.939542]  vprintk_default+0x28/0x30
[ 1180.943430]  vprintk_func+0x7e/0x189
[ 1180.947146]  printk+0xba/0xed
[ 1180.950251]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1180.955018]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1180.959520]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1180.964540]  dump_header+0x44b/0xa55
[ 1180.968270]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1180.973715]  ? ___ratelimit+0x60/0x595
[ 1180.977599]  ? do_raw_spin_unlock+0x181/0x270
[ 1180.982210]  oom_kill_process.cold+0x10/0x6ef
[ 1180.986705]  ? lock_downgrade+0x880/0x880
[ 1180.990851]  ? kasan_check_read+0x11/0x20
[ 1180.995020]  out_of_memory+0x362/0x1330
[ 1180.999000]  ? oom_killer_disable+0x280/0x280
[ 1181.003492]  ? mutex_trylock+0x18e/0x1e0
[ 1181.007550]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1181.012498]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1181.017380]  ? warn_alloc+0x110/0x110
[ 1181.021177]  ? __lock_is_held+0xb6/0x140
[ 1181.025244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1181.030778]  ? should_fail+0x14d/0x85c
[ 1181.034697]  ? __might_sleep+0x95/0x190
[ 1181.038672]  __alloc_pages_nodemask+0x617/0x750
[ 1181.043337]  ? kasan_check_read+0x11/0x20
[ 1181.047482]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1181.052586]  ? find_get_entry+0x3e1/0xa00
[ 1181.056734]  ? find_get_pages_contig+0xed0/0xed0
[ 1181.061538]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1181.067325]  alloc_pages_current+0x107/0x210
[ 1181.071780]  __page_cache_alloc+0x2bd/0x450
[ 1181.076138]  ? kasan_check_read+0x11/0x20
[ 1181.080315]  filemap_fault+0xfeb/0x1f00
[ 1181.084292]  ? lock_downgrade+0x880/0x880
[ 1181.088446]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1181.093117]  ? lock_acquire+0x16f/0x3f0
[ 1181.097101]  ? ext4_filemap_fault+0x7b/0xaf
[ 1181.101448]  ext4_filemap_fault+0x83/0xaf
[ 1181.105619]  __do_fault+0x111/0x480
[ 1181.109246]  __handle_mm_fault+0x2d78/0x3f80
[ 1181.114608]  ? copy_page_range+0x2030/0x2030
[ 1181.119036]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1181.123704]  handle_mm_fault+0x1b5/0x690
[ 1181.127770]  __do_page_fault+0x62a/0xe90
[ 1181.131841]  ? vmalloc_fault+0x740/0x740
[ 1181.135900]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1181.140910]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1181.145872]  ? page_fault+0x8/0x30
[ 1181.149417]  do_page_fault+0x71/0x57d
[ 1181.153256]  ? page_fault+0x8/0x30
[ 1181.156882]  page_fault+0x1e/0x30
[ 1181.160337] RIP: 0033:0x45b153
[ 1181.163538] Code: Bad RIP value.
[ 1181.167032] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1181.172399] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1181.180216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1181.187515] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1181.194799] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1181.202138] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1181.209443] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1181.209521] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1181.217188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1181.217215] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1181.217222] Call Trace:
[ 1181.217233]  <IRQ>
[ 1181.223827] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1181.233205]  dump_stack+0x197/0x210
[ 1181.240289] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1181.242936]  warn_alloc.cold+0x7b/0x173
[ 1181.268088]  ? zone_watermark_ok_safe+0x260/0x260
[ 1181.273083]  ? __cpuset_node_allowed+0x136/0x540
[ 1181.277861]  ? __isolate_free_page+0x4c0/0x4c0
[ 1181.282462]  ? wake_all_kswapds+0x14d/0x300
[ 1181.286836]  __alloc_pages_slowpath+0x2214/0x2870
[ 1181.291698]  ? warn_alloc+0x110/0x110
[ 1181.295517]  ? __lock_acquire+0x6ee/0x49c0
[ 1181.299764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1181.305475]  ? should_fail+0x14d/0x85c
[ 1181.309379]  ? __isolate_free_page+0x4c0/0x4c0
[ 1181.313976]  __alloc_pages_nodemask+0x617/0x750
[ 1181.318660]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1181.323841]  ? find_held_lock+0x35/0x130
[ 1181.327914]  cache_grow_begin+0x91/0x8c0
[ 1181.332194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1181.337757]  ? __cpuset_node_allowed+0x136/0x540
[ 1181.342527]  fallback_alloc+0x1fd/0x2d0
[ 1181.346645]  ____cache_alloc_node+0x1be/0x1e0
[ 1181.351162]  kmem_cache_alloc_node+0xe3/0x710
[ 1181.355694]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1181.360084]  __alloc_skb+0xd5/0x5f0
[ 1181.363900]  ? skb_trim+0x190/0x190
[ 1181.367537]  ? kasan_check_read+0x11/0x20
[ 1181.371931]  ndisc_alloc_skb+0x13c/0x340
[ 1181.376021]  ndisc_send_rs+0x35f/0x6e0
[ 1181.380045]  addrconf_rs_timer+0x30f/0x680
[ 1181.384431]  ? ipv6_get_lladdr+0x490/0x490
[ 1181.388680]  call_timer_fn+0x18d/0x720
[ 1181.392820]  ? ipv6_get_lladdr+0x490/0x490
[ 1181.397065]  ? process_timeout+0x40/0x40
[ 1181.401305]  ? run_timer_softirq+0x644/0x16a0
[ 1181.405872]  ? trace_hardirqs_on+0x67/0x220
[ 1181.410292]  ? ipv6_get_lladdr+0x490/0x490
[ 1181.414668]  run_timer_softirq+0x64f/0x16a0
[ 1181.419004]  ? add_timer+0xbe0/0xbe0
[ 1181.422944]  ? __lock_is_held+0xb6/0x140
[ 1181.427446]  __do_softirq+0x25c/0x921
[ 1181.431261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1181.436990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1181.442633]  irq_exit+0x180/0x1d0
[ 1181.446245]  smp_apic_timer_interrupt+0x13b/0x550
[ 1181.451180]  apic_timer_interrupt+0xf/0x20
[ 1181.455423]  </IRQ>
[ 1181.457667] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1181.462733] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1181.481911] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1181.489816] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1181.497242] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1181.505084] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1181.512468] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1181.519860] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1181.527165]  ? find_held_lock+0x35/0x130
[ 1181.531691]  ? process_one_work+0x890/0x1750
[ 1181.536212]  skb_clone+0x156/0x3e0
[ 1181.539769]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1181.546202]  process_one_work+0x989/0x1750
[ 1181.550631]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1181.555305]  ? lock_acquire+0x16f/0x3f0
[ 1181.559646]  ? kasan_check_write+0x14/0x20
[ 1181.563887]  ? do_raw_spin_lock+0xd7/0x250
[ 1181.568145]  worker_thread+0x98/0xe40
[ 1181.571963]  ? trace_hardirqs_on+0x67/0x220
[ 1181.576462]  kthread+0x354/0x420
[ 1181.579848]  ? process_one_work+0x1750/0x1750
[ 1181.584949]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1181.590508]  ret_from_fork+0x24/0x30
[ 1181.594363] warn_alloc_show_mem: 1 callbacks suppressed
[ 1181.594373] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1181.594375] Mem-Info:
[ 1181.594405] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1181.594405]  active_file:13 inactive_file:13 isolated_file:0
[ 1181.594405]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1181.594405]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1181.594405]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1181.594405]  free:10948 free_pcp:188 free_cma:0
[ 1181.599903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1181.607384] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1181.609951] Call Trace:
[ 1181.643611] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1181.653115]  <IRQ>
[ 1181.680917] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1181.683521]  dump_stack+0x197/0x210
[ 1181.709864] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1181.712226]  warn_alloc.cold+0x7b/0x173
[ 1181.738673] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1181.742457]  ? zone_watermark_ok_safe+0x260/0x260
[ 1181.747573] lowmem_reserve[]: 0 0 1 1 1
[ 1181.751669]  ? __cpuset_node_allowed+0x136/0x540
[ 1181.781591] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1181.786664]  ? __isolate_free_page+0x4c0/0x4c0
[ 1181.790632] lowmem_reserve[]: 0 0 0 0 0
[ 1181.795620]  ? wake_all_kswapds+0x14d/0x300
[ 1181.821898] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1181.826756]  __alloc_pages_slowpath+0x2214/0x2870
[ 1181.830793] lowmem_reserve[]: 0 0 0 0 0
[ 1181.835247]  ? warn_alloc+0x110/0x110
[ 1181.864101] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1181.869149]  ? __lock_acquire+0x6ee/0x49c0
[ 1181.873235] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1181.877258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1181.889914] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1181.894286]  ? should_fail+0x14d/0x85c
[ 1181.909634] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1181.915466]  ? __isolate_free_page+0x4c0/0x4c0
[ 1181.926509] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1181.930572]  __alloc_pages_nodemask+0x617/0x750
[ 1181.946491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1181.951082]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1181.960178] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1181.964867]  ? find_held_lock+0x35/0x130
[ 1181.973429] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1181.978571]  cache_grow_begin+0x91/0x8c0
[ 1181.987517] 279 total pagecache pages
[ 1181.993568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1182.003182] 0 pages in swap cache
[ 1182.007414]  ? __cpuset_node_allowed+0x136/0x540
[ 1182.011197] Swap cache stats: add 0, delete 0, find 0/0
[ 1182.011206] Free swap  = 0kB
[ 1182.016750]  fallback_alloc+0x1fd/0x2d0
[ 1182.020241] Total swap = 0kB
[ 1182.025004]  ____cache_alloc_node+0x1be/0x1e0
[ 1182.030366] 1965979 pages RAM
[ 1182.033658]  kmem_cache_alloc_node+0xe3/0x710
[ 1182.037614] 0 pages HighMem/MovableOnly
[ 1182.037623] 341741 pages reserved
[ 1182.040757]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1182.045445] 0 pages cma reserved
[ 1182.045514] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1182.048580]  __alloc_skb+0xd5/0x5f0
[ 1182.053266] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1182.057170]  ? skb_trim+0x190/0x190
[ 1182.060703] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1182.065006]  ? kasan_check_read+0x11/0x20
[ 1182.102086]  ndisc_alloc_skb+0x13c/0x340
[ 1182.106174]  ndisc_send_rs+0x35f/0x6e0
[ 1182.110283]  addrconf_rs_timer+0x30f/0x680
[ 1182.114525]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.118928]  call_timer_fn+0x18d/0x720
[ 1182.122881]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.127162]  ? process_timeout+0x40/0x40
[ 1182.131228]  ? run_timer_softirq+0x644/0x16a0
[ 1182.135919]  ? trace_hardirqs_on+0x67/0x220
[ 1182.140339]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.144864]  run_timer_softirq+0x64f/0x16a0
[ 1182.149229]  ? add_timer+0xbe0/0xbe0
[ 1182.152945]  ? __lock_is_held+0xb6/0x140
[ 1182.157038]  __do_softirq+0x25c/0x921
[ 1182.160860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1182.166491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1182.172174]  irq_exit+0x180/0x1d0
[ 1182.175732]  smp_apic_timer_interrupt+0x13b/0x550
[ 1182.180667]  apic_timer_interrupt+0xf/0x20
[ 1182.185156]  </IRQ>
[ 1182.187473] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1182.192329] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1182.211496] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1182.219216] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1182.227007] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1182.234633] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1182.241961] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1182.249434] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1182.256904]  ? netconsole_netdev_event+0x280/0x280
[ 1182.261908]  ? console_unlock+0xf36/0x10d0
[ 1182.266362]  vprintk_emit+0x280/0x6d0
[ 1182.270193]  vprintk_default+0x28/0x30
[ 1182.274084]  vprintk_func+0x7e/0x189
[ 1182.277820]  printk+0xba/0xed
[ 1182.281113]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1182.285881]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1182.290532]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1182.295793]  dump_header+0x44b/0xa55
[ 1182.299585]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1182.304733]  ? ___ratelimit+0x60/0x595
[ 1182.308637]  ? do_raw_spin_unlock+0x181/0x270
[ 1182.313147]  oom_kill_process.cold+0x10/0x6ef
[ 1182.317664]  ? lock_downgrade+0x880/0x880
[ 1182.321939]  ? kasan_check_read+0x11/0x20
[ 1182.326111]  out_of_memory+0x362/0x1330
[ 1182.330101]  ? oom_killer_disable+0x280/0x280
[ 1182.334811]  ? mutex_trylock+0x18e/0x1e0
[ 1182.339040]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1182.344038]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1182.349083]  ? warn_alloc+0x110/0x110
[ 1182.352986]  ? __lock_is_held+0xb6/0x140
[ 1182.357120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1182.362917]  ? should_fail+0x14d/0x85c
[ 1182.366838]  ? __might_sleep+0x95/0x190
[ 1182.371322]  __alloc_pages_nodemask+0x617/0x750
[ 1182.376055]  ? kasan_check_read+0x11/0x20
[ 1182.380316]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1182.385561]  ? find_get_entry+0x3e1/0xa00
[ 1182.390009]  ? find_get_pages_contig+0xed0/0xed0
[ 1182.394930]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1182.400560]  alloc_pages_current+0x107/0x210
[ 1182.404980]  __page_cache_alloc+0x2bd/0x450
[ 1182.409307]  ? kasan_check_read+0x11/0x20
[ 1182.413556]  filemap_fault+0xfeb/0x1f00
[ 1182.417846]  ? lock_downgrade+0x880/0x880
[ 1182.422010]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1182.426828]  ? lock_acquire+0x16f/0x3f0
[ 1182.431115]  ? ext4_filemap_fault+0x7b/0xaf
[ 1182.435456]  ext4_filemap_fault+0x83/0xaf
[ 1182.439633]  __do_fault+0x111/0x480
[ 1182.443420]  __handle_mm_fault+0x2d78/0x3f80
[ 1182.447927]  ? copy_page_range+0x2030/0x2030
[ 1182.452596]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1182.457416]  handle_mm_fault+0x1b5/0x690
[ 1182.461854]  __do_page_fault+0x62a/0xe90
[ 1182.465930]  ? vmalloc_fault+0x740/0x740
[ 1182.470144]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1182.475329]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1182.480272]  ? page_fault+0x8/0x30
[ 1182.484147]  do_page_fault+0x71/0x57d
[ 1182.488481]  ? page_fault+0x8/0x30
[ 1182.492024]  page_fault+0x1e/0x30
[ 1182.495679] RIP: 0033:0x45b153
[ 1182.498953] Code: Bad RIP value.
[ 1182.502315] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1182.507826] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1182.515277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1182.522824] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1182.530111] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1182.537711] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1182.545166] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1182.545231] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1182.553182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1182.553209] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1182.553217] Call Trace:
[ 1182.553227]  <IRQ>
[ 1182.563236] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1182.573085]  dump_stack+0x197/0x210
[ 1182.580176] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1182.582778]  warn_alloc.cold+0x7b/0x173
[ 1182.607864]  ? zone_watermark_ok_safe+0x260/0x260
[ 1182.612717]  ? __cpuset_node_allowed+0x136/0x540
[ 1182.617542]  ? __isolate_free_page+0x4c0/0x4c0
[ 1182.622127]  ? wake_all_kswapds+0x14d/0x300
[ 1182.626670]  __alloc_pages_slowpath+0x2214/0x2870
[ 1182.631693]  ? warn_alloc+0x110/0x110
[ 1182.635652]  ? __lock_acquire+0x6ee/0x49c0
[ 1182.639894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1182.645608]  ? should_fail+0x14d/0x85c
[ 1182.649507]  ? __isolate_free_page+0x4c0/0x4c0
[ 1182.654261]  __alloc_pages_nodemask+0x617/0x750
[ 1182.658994]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1182.664462]  ? find_held_lock+0x35/0x130
[ 1182.668534]  cache_grow_begin+0x91/0x8c0
[ 1182.672614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1182.678418]  ? __cpuset_node_allowed+0x136/0x540
[ 1182.683184]  fallback_alloc+0x1fd/0x2d0
[ 1182.687180]  ____cache_alloc_node+0x1be/0x1e0
[ 1182.691921]  kmem_cache_alloc_node+0xe3/0x710
[ 1182.696574]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1182.700958]  __alloc_skb+0xd5/0x5f0
[ 1182.704593]  ? skb_trim+0x190/0x190
[ 1182.708230]  ? kasan_check_read+0x11/0x20
[ 1182.712463]  ndisc_alloc_skb+0x13c/0x340
[ 1182.716538]  ndisc_send_rs+0x35f/0x6e0
[ 1182.720438]  addrconf_rs_timer+0x30f/0x680
[ 1182.724879]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.729395]  call_timer_fn+0x18d/0x720
[ 1182.733292]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.737842]  ? process_timeout+0x40/0x40
[ 1182.741910]  ? run_timer_softirq+0x644/0x16a0
[ 1182.746484]  ? trace_hardirqs_on+0x67/0x220
[ 1182.751242]  ? ipv6_get_lladdr+0x490/0x490
[ 1182.755577]  run_timer_softirq+0x64f/0x16a0
[ 1182.759911]  ? add_timer+0xbe0/0xbe0
[ 1182.763833]  ? __lock_is_held+0xb6/0x140
[ 1182.767913]  __do_softirq+0x25c/0x921
[ 1182.771716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1182.777384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1182.783085]  irq_exit+0x180/0x1d0
[ 1182.786549]  smp_apic_timer_interrupt+0x13b/0x550
[ 1182.791407]  apic_timer_interrupt+0xf/0x20
[ 1182.795742]  </IRQ>
[ 1182.798040] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1182.803040] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1182.822290] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1182.830221] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1182.837503] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1182.844785] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1182.852322] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1182.859739] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1182.867228]  ? find_held_lock+0x35/0x130
[ 1182.871480]  ? process_one_work+0x890/0x1750
[ 1182.875914]  skb_clone+0x156/0x3e0
[ 1182.879667]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1182.886145]  process_one_work+0x989/0x1750
[ 1182.890442]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1182.895171]  ? lock_acquire+0x16f/0x3f0
[ 1182.899168]  ? kasan_check_write+0x14/0x20
[ 1182.903595]  ? do_raw_spin_lock+0xd7/0x250
[ 1182.907980]  worker_thread+0x98/0xe40
[ 1182.911928]  ? trace_hardirqs_on+0x67/0x220
[ 1182.918275]  kthread+0x354/0x420
[ 1182.921831]  ? process_one_work+0x1750/0x1750
[ 1182.926567]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1182.932118]  ret_from_fork+0x24/0x30
[ 1182.936345] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1182.936351] warn_alloc_show_mem: 1 callbacks suppressed
[ 1182.936359] Mem-Info:
[ 1182.943820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1182.943830] Call Trace:
[ 1182.949224] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1182.949224]  active_file:13 inactive_file:13 isolated_file:0
[ 1182.949224]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1182.949224]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1182.949224]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1182.949224]  free:10948 free_pcp:188 free_cma:0
[ 1182.951849]  <IRQ>
[ 1182.961555] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1182.964149]  dump_stack+0x197/0x210
[ 1182.997680] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1182.999911]  warn_alloc.cold+0x7b/0x173
[ 1183.027994] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1183.031797]  ? zone_watermark_ok_safe+0x260/0x260
[ 1183.058218] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1183.062214]  ? __cpuset_node_allowed+0x136/0x540
[ 1183.088539] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1183.093833]  ? __isolate_free_page+0x4c0/0x4c0
[ 1183.098825] lowmem_reserve[]: 0 0 1 1 1
[ 1183.103604]  ? wake_all_kswapds+0x14d/0x300
[ 1183.132847] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1183.137894]  __alloc_pages_slowpath+0x2214/0x2870
[ 1183.141896] lowmem_reserve[]: 0 0 0 0 0
[ 1183.146243]  ? warn_alloc+0x110/0x110
[ 1183.172533] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1183.177518]  ? __lock_acquire+0x6ee/0x49c0
[ 1183.181471] lowmem_reserve[]: 0 0 0 0 0
[ 1183.185299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1183.213549] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1183.217805]  ? should_fail+0x14d/0x85c
[ 1183.221769] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1183.227367]  ? __isolate_free_page+0x4c0/0x4c0
[ 1183.240156] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1183.244316]  __alloc_pages_nodemask+0x617/0x750
[ 1183.259977] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1183.264836]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1183.275797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1183.280837]  ? find_held_lock+0x35/0x130
[ 1183.296821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1183.301849]  cache_grow_begin+0x91/0x8c0
[ 1183.310664] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1183.314983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1183.323717] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1183.327793]  ? __cpuset_node_allowed+0x136/0x540
[ 1183.336832] 279 total pagecache pages
[ 1183.342919]  fallback_alloc+0x1fd/0x2d0
[ 1183.351708] 0 pages in swap cache
[ 1183.356542]  ____cache_alloc_node+0x1be/0x1e0
[ 1183.360324] Swap cache stats: add 0, delete 0, find 0/0
[ 1183.364348]  kmem_cache_alloc_node+0xe3/0x710
[ 1183.368035] Free swap  = 0kB
[ 1183.368046] Total swap = 0kB
[ 1183.372638]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1183.377983] 1965979 pages RAM
[ 1183.382740]  __alloc_skb+0xd5/0x5f0
[ 1183.385733] 0 pages HighMem/MovableOnly
[ 1183.385742] 341741 pages reserved
[ 1183.388996]  ? skb_trim+0x190/0x190
[ 1183.393213] 0 pages cma reserved
[ 1183.396369]  ? kasan_check_read+0x11/0x20
[ 1183.400307] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1183.404240]  ndisc_alloc_skb+0x13c/0x340
[ 1183.404260]  ndisc_send_rs+0x35f/0x6e0
[ 1183.407903] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1183.411625]  addrconf_rs_timer+0x30f/0x680
[ 1183.415131] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1183.419289]  ? ipv6_get_lladdr+0x490/0x490
[ 1183.459609]  call_timer_fn+0x18d/0x720
[ 1183.463504]  ? ipv6_get_lladdr+0x490/0x490
[ 1183.467978]  ? process_timeout+0x40/0x40
[ 1183.472045]  ? run_timer_softirq+0x644/0x16a0
[ 1183.476670]  ? trace_hardirqs_on+0x67/0x220
[ 1183.481248]  ? ipv6_get_lladdr+0x490/0x490
[ 1183.485490]  run_timer_softirq+0x64f/0x16a0
[ 1183.490008]  ? add_timer+0xbe0/0xbe0
[ 1183.494041]  ? __lock_is_held+0xb6/0x140
[ 1183.498290]  __do_softirq+0x25c/0x921
[ 1183.502138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1183.507677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1183.513607]  irq_exit+0x180/0x1d0
[ 1183.517093]  smp_apic_timer_interrupt+0x13b/0x550
[ 1183.521957]  apic_timer_interrupt+0xf/0x20
[ 1183.526290]  </IRQ>
[ 1183.528538] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1183.533390] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1183.552676] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1183.560567] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1183.568198] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1183.575475] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1183.582760] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1183.590157] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1183.597613]  ? netconsole_netdev_event+0x280/0x280
[ 1183.602792]  ? console_unlock+0xf36/0x10d0
[ 1183.607275]  vprintk_emit+0x280/0x6d0
[ 1183.611087]  vprintk_default+0x28/0x30
[ 1183.615254]  vprintk_func+0x7e/0x189
[ 1183.619065]  printk+0xba/0xed
[ 1183.622215]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1183.627133]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1183.631773]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1183.636863]  dump_header+0x44b/0xa55
[ 1183.640587]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1183.645726]  ? ___ratelimit+0x60/0x595
[ 1183.649781]  ? do_raw_spin_unlock+0x181/0x270
[ 1183.654299]  oom_kill_process.cold+0x10/0x6ef
[ 1183.658813]  ? lock_downgrade+0x880/0x880
[ 1183.663108]  ? kasan_check_read+0x11/0x20
[ 1183.667275]  out_of_memory+0x362/0x1330
[ 1183.671434]  ? oom_killer_disable+0x280/0x280
[ 1183.676161]  ? mutex_trylock+0x18e/0x1e0
[ 1183.680333]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1183.685280]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1183.690144]  ? warn_alloc+0x110/0x110
[ 1183.694131]  ? __lock_is_held+0xb6/0x140
[ 1183.698450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1183.704225]  ? should_fail+0x14d/0x85c
[ 1183.708298]  ? __might_sleep+0x95/0x190
[ 1183.712292]  __alloc_pages_nodemask+0x617/0x750
[ 1183.717017]  ? kasan_check_read+0x11/0x20
[ 1183.721244]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1183.726326]  ? find_get_entry+0x3e1/0xa00
[ 1183.730532]  ? find_get_pages_contig+0xed0/0xed0
[ 1183.735694]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1183.741482]  alloc_pages_current+0x107/0x210
[ 1183.746111]  __page_cache_alloc+0x2bd/0x450
[ 1183.750448]  ? kasan_check_read+0x11/0x20
[ 1183.754735]  filemap_fault+0xfeb/0x1f00
[ 1183.758722]  ? lock_downgrade+0x880/0x880
[ 1183.763090]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1183.767771]  ? lock_acquire+0x16f/0x3f0
[ 1183.772057]  ? ext4_filemap_fault+0x7b/0xaf
[ 1183.776409]  ext4_filemap_fault+0x83/0xaf
[ 1183.780656]  __do_fault+0x111/0x480
[ 1183.784338]  __handle_mm_fault+0x2d78/0x3f80
[ 1183.788771]  ? copy_page_range+0x2030/0x2030
[ 1183.793333]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1183.798018]  handle_mm_fault+0x1b5/0x690
[ 1183.802097]  __do_page_fault+0x62a/0xe90
[ 1183.806405]  ? vmalloc_fault+0x740/0x740
[ 1183.810628]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1183.816054]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1183.821131]  ? page_fault+0x8/0x30
[ 1183.824679]  do_page_fault+0x71/0x57d
[ 1183.828484]  ? page_fault+0x8/0x30
[ 1183.832033]  page_fault+0x1e/0x30
[ 1183.835500] RIP: 0033:0x45b153
[ 1183.838882] Code: Bad RIP value.
[ 1183.842370] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1183.847778] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1183.855371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1183.862760] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1183.870173] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1183.877472] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1183.885196] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1183.885255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1183.892918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1183.892945] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1183.899513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1183.909241] Call Trace:
[ 1183.916496] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1183.926759]  <IRQ>
[ 1183.937275]  dump_stack+0x197/0x210
[ 1183.940934]  warn_alloc.cold+0x7b/0x173
[ 1183.945162]  ? zone_watermark_ok_safe+0x260/0x260
[ 1183.950016]  ? __cpuset_node_allowed+0x136/0x540
[ 1183.954788]  ? __isolate_free_page+0x4c0/0x4c0
[ 1183.959390]  ? wake_all_kswapds+0x14d/0x300
[ 1183.964078]  __alloc_pages_slowpath+0x2214/0x2870
[ 1183.968942]  ? warn_alloc+0x110/0x110
[ 1183.972748]  ? lock_downgrade+0x880/0x880
[ 1183.976901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1183.982446]  ? should_fail+0x14d/0x85c
[ 1183.986342]  ? __isolate_free_page+0x4c0/0x4c0
[ 1183.991160]  __alloc_pages_nodemask+0x617/0x750
[ 1183.995846]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1184.000975]  ? mark_held_locks+0x100/0x100
[ 1184.005415]  ? mod_timer+0x576/0x1030
[ 1184.009313]  page_frag_alloc+0x541/0x670
[ 1184.013381]  ? check_preemption_disabled+0x48/0x290
[ 1184.018745]  __netdev_alloc_skb+0x20a/0x470
[ 1184.023076]  send_hsr_supervision_frame+0x110/0xfc0
[ 1184.028097]  ? lock_acquire+0x16f/0x3f0
[ 1184.032151]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1184.037282]  hsr_announce+0x12f/0x3b0
[ 1184.041094]  call_timer_fn+0x18d/0x720
[ 1184.045167]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1184.050369]  ? process_timeout+0x40/0x40
[ 1184.054432]  ? run_timer_softirq+0x644/0x16a0
[ 1184.059171]  ? trace_hardirqs_on+0x67/0x220
[ 1184.063510]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1184.068744]  run_timer_softirq+0x64f/0x16a0
[ 1184.073079]  ? add_timer+0xbe0/0xbe0
[ 1184.076846]  ? __lock_is_held+0xb6/0x140
[ 1184.081054]  __do_softirq+0x25c/0x921
[ 1184.084961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1184.090502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1184.096103]  irq_exit+0x180/0x1d0
[ 1184.099576]  smp_apic_timer_interrupt+0x13b/0x550
[ 1184.104426]  apic_timer_interrupt+0xf/0x20
[ 1184.108858]  </IRQ>
[ 1184.111104] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1184.116064] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1184.135464] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1184.143244] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1184.150881] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1184.158362] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1184.165736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1184.173327] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1184.181549]  ? find_held_lock+0x35/0x130
[ 1184.185753]  ? process_one_work+0x890/0x1750
[ 1184.190207]  skb_clone+0x156/0x3e0
[ 1184.193780]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1184.200220]  process_one_work+0x989/0x1750
[ 1184.204480]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1184.209290]  ? lock_acquire+0x16f/0x3f0
[ 1184.213274]  ? kasan_check_write+0x14/0x20
[ 1184.217523]  ? do_raw_spin_lock+0xd7/0x250
[ 1184.221939]  worker_thread+0x98/0xe40
[ 1184.225847]  ? trace_hardirqs_on+0x67/0x220
[ 1184.230423]  kthread+0x354/0x420
[ 1184.233945]  ? process_one_work+0x1750/0x1750
[ 1184.238536]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1184.244644]  ret_from_fork+0x24/0x30
[ 1184.248373] warn_alloc_show_mem: 1 callbacks suppressed
[ 1184.248383] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1184.248385] Mem-Info:
[ 1184.248414] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1184.248414]  active_file:13 inactive_file:13 isolated_file:0
[ 1184.248414]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1184.248414]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1184.248414]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1184.248414]  free:10948 free_pcp:188 free_cma:0
[ 1184.253979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1184.253989] Call Trace:
[ 1184.261517] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1184.263933]  <IRQ>
[ 1184.297765] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1184.307612]  dump_stack+0x197/0x210
[ 1184.310190] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1184.338383]  warn_alloc.cold+0x7b/0x173
[ 1184.340637] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1184.367602]  ? zone_watermark_ok_safe+0x260/0x260
[ 1184.371228] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1184.398656]  ? __cpuset_node_allowed+0x136/0x540
[ 1184.402674] lowmem_reserve[]: 0 0 1 1 1
[ 1184.407769]  ? __isolate_free_page+0x4c0/0x4c0
[ 1184.412912] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1184.442292]  ? wake_all_kswapds+0x14d/0x300
[ 1184.447293] lowmem_reserve[]: 0 0 0 0 0
[ 1184.451456]  __alloc_pages_slowpath+0x2214/0x2870
[ 1184.456019] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1184.482588]  ? warn_alloc+0x110/0x110
[ 1184.487189] lowmem_reserve[]: 0 0 0 0 0
[ 1184.491192]  ? __lock_acquire+0x6ee/0x49c0
[ 1184.496181] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1184.524728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1184.528701] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1184.532722]  ? should_fail+0x14d/0x85c
[ 1184.536941] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1184.550781]  ? __isolate_free_page+0x4c0/0x4c0
[ 1184.556673] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1184.572906]  __alloc_pages_nodemask+0x617/0x750
[ 1184.576867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1184.587986]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1184.592563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1184.609019]  ? find_held_lock+0x35/0x130
[ 1184.613908] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1184.622795]  cache_grow_begin+0x91/0x8c0
[ 1184.628311] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1184.628322] 279 total pagecache pages
[ 1184.636914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1184.640968] 0 pages in swap cache
[ 1184.649850]  ? __cpuset_node_allowed+0x136/0x540
[ 1184.653911] Swap cache stats: add 0, delete 0, find 0/0
[ 1184.662676]  fallback_alloc+0x1fd/0x2d0
[ 1184.666566] Free swap  = 0kB
[ 1184.672125]  ____cache_alloc_node+0x1be/0x1e0
[ 1184.675888] Total swap = 0kB
[ 1184.675898] 1965979 pages RAM
[ 1184.680685]  kmem_cache_alloc_node+0xe3/0x710
[ 1184.686034] 0 pages HighMem/MovableOnly
[ 1184.686043] 341741 pages reserved
[ 1184.690344]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1184.693344] 0 pages cma reserved
[ 1184.693525] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1184.698236]  __alloc_skb+0xd5/0x5f0
[ 1184.701483] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1184.704604]  ? skb_trim+0x190/0x190
[ 1184.746594]  ? kasan_check_read+0x11/0x20
[ 1184.750768]  ndisc_alloc_skb+0x13c/0x340
[ 1184.754856]  ndisc_send_rs+0x35f/0x6e0
[ 1184.758758]  addrconf_rs_timer+0x30f/0x680
[ 1184.763122]  ? ipv6_get_lladdr+0x490/0x490
[ 1184.767468]  call_timer_fn+0x18d/0x720
[ 1184.771373]  ? ipv6_get_lladdr+0x490/0x490
[ 1184.775892]  ? process_timeout+0x40/0x40
[ 1184.780103]  ? run_timer_softirq+0x644/0x16a0
[ 1184.784732]  ? trace_hardirqs_on+0x67/0x220
[ 1184.789252]  ? ipv6_get_lladdr+0x490/0x490
[ 1184.793751]  run_timer_softirq+0x64f/0x16a0
[ 1184.798086]  ? add_timer+0xbe0/0xbe0
[ 1184.801802]  ? __lock_is_held+0xb6/0x140
[ 1184.805889]  __do_softirq+0x25c/0x921
[ 1184.809704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1184.815245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1184.820939]  irq_exit+0x180/0x1d0
[ 1184.824401]  smp_apic_timer_interrupt+0x13b/0x550
[ 1184.829246]  apic_timer_interrupt+0xf/0x20
[ 1184.833607]  </IRQ>
[ 1184.835899] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1184.840844] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1184.860130] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1184.867858] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1184.875178] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1184.882620] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1184.889954] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1184.897577] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1184.905269]  ? netconsole_netdev_event+0x280/0x280
[ 1184.910310]  ? console_unlock+0xf36/0x10d0
[ 1184.914586]  vprintk_emit+0x280/0x6d0
[ 1184.918404]  vprintk_default+0x28/0x30
[ 1184.922476]  vprintk_func+0x7e/0x189
[ 1184.926203]  printk+0xba/0xed
[ 1184.929428]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1184.934240]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1184.938760]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1184.944180]  dump_header+0x44b/0xa55
[ 1184.948201]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1184.953313]  ? ___ratelimit+0x60/0x595
[ 1184.957208]  ? do_raw_spin_unlock+0x181/0x270
[ 1184.961847]  oom_kill_process.cold+0x10/0x6ef
[ 1184.966446]  ? lock_downgrade+0x880/0x880
[ 1184.970604]  ? kasan_check_read+0x11/0x20
[ 1184.974978]  out_of_memory+0x362/0x1330
[ 1184.978972]  ? oom_killer_disable+0x280/0x280
[ 1184.983611]  ? mutex_trylock+0x18e/0x1e0
[ 1184.987678]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1184.992797]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1184.997787]  ? warn_alloc+0x110/0x110
[ 1185.001603]  ? __lock_is_held+0xb6/0x140
[ 1185.005757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1185.011300]  ? should_fail+0x14d/0x85c
[ 1185.015204]  ? __might_sleep+0x95/0x190
[ 1185.019203]  __alloc_pages_nodemask+0x617/0x750
[ 1185.023879]  ? kasan_check_read+0x11/0x20
[ 1185.028252]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1185.033289]  ? find_get_entry+0x3e1/0xa00
[ 1185.037588]  ? find_get_pages_contig+0xed0/0xed0
[ 1185.042656]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1185.048258]  alloc_pages_current+0x107/0x210
[ 1185.052852]  __page_cache_alloc+0x2bd/0x450
[ 1185.057184]  ? kasan_check_read+0x11/0x20
[ 1185.061549]  filemap_fault+0xfeb/0x1f00
[ 1185.065579]  ? lock_downgrade+0x880/0x880
[ 1185.070016]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1185.074738]  ? lock_acquire+0x16f/0x3f0
[ 1185.078874]  ? ext4_filemap_fault+0x7b/0xaf
[ 1185.083584]  ext4_filemap_fault+0x83/0xaf
[ 1185.087807]  __do_fault+0x111/0x480
[ 1185.091442]  __handle_mm_fault+0x2d78/0x3f80
[ 1185.095865]  ? copy_page_range+0x2030/0x2030
[ 1185.100332]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1185.105109]  handle_mm_fault+0x1b5/0x690
[ 1185.109220]  __do_page_fault+0x62a/0xe90
[ 1185.113290]  ? vmalloc_fault+0x740/0x740
[ 1185.117367]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1185.122601]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1185.127641]  ? page_fault+0x8/0x30
[ 1185.131214]  do_page_fault+0x71/0x57d
[ 1185.135042]  ? page_fault+0x8/0x30
[ 1185.139111]  page_fault+0x1e/0x30
[ 1185.142573] RIP: 0033:0x45b153
[ 1185.145778] Code: Bad RIP value.
[ 1185.149163] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1185.154657] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1185.161931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1185.169433] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1185.177118] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1185.184469] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1185.191901] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1185.191959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1185.199634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1185.199662] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1185.206417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1185.215980] Call Trace:
[ 1185.215991]  <IRQ>
[ 1185.223403] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1185.234049]  dump_stack+0x197/0x210
[ 1185.247473]  warn_alloc.cold+0x7b/0x173
[ 1185.251599]  ? zone_watermark_ok_safe+0x260/0x260
[ 1185.256757]  ? __cpuset_node_allowed+0x136/0x540
[ 1185.261692]  ? __isolate_free_page+0x4c0/0x4c0
[ 1185.266422]  ? wake_all_kswapds+0x14d/0x300
[ 1185.271076]  __alloc_pages_slowpath+0x2214/0x2870
[ 1185.275961]  ? warn_alloc+0x110/0x110
[ 1185.279780]  ? find_held_lock+0x35/0x130
[ 1185.284030]  ? debug_object_activate+0x206/0x4e0
[ 1185.288793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1185.294336]  ? should_fail+0x14d/0x85c
[ 1185.298252]  ? __isolate_free_page+0x4c0/0x4c0
[ 1185.303206]  __alloc_pages_nodemask+0x617/0x750
[ 1185.309284]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1185.314320]  ? mark_held_locks+0x100/0x100
[ 1185.318783]  ? trace_hardirqs_on+0x67/0x220
[ 1185.323118]  page_frag_alloc+0x541/0x670
[ 1185.327205]  ? check_preemption_disabled+0x48/0x290
[ 1185.332459]  __netdev_alloc_skb+0x20a/0x470
[ 1185.336901]  send_hsr_supervision_frame+0x110/0xfc0
[ 1185.341936]  ? lock_acquire+0x16f/0x3f0
[ 1185.345924]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1185.351179]  hsr_announce+0x12f/0x3b0
[ 1185.355152]  call_timer_fn+0x18d/0x720
[ 1185.359486]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1185.364758]  ? process_timeout+0x40/0x40
[ 1185.368825]  ? run_timer_softirq+0x644/0x16a0
[ 1185.373487]  ? trace_hardirqs_on+0x67/0x220
[ 1185.378031]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1185.383374]  run_timer_softirq+0x64f/0x16a0
[ 1185.388045]  ? add_timer+0xbe0/0xbe0
[ 1185.391857]  ? __lock_is_held+0xb6/0x140
[ 1185.396128]  __do_softirq+0x25c/0x921
[ 1185.399958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1185.405816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1185.411375]  irq_exit+0x180/0x1d0
[ 1185.415052]  smp_apic_timer_interrupt+0x13b/0x550
[ 1185.420305]  apic_timer_interrupt+0xf/0x20
[ 1185.424558]  </IRQ>
[ 1185.426846] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1185.431787] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1185.451241] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1185.459540] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1185.466856] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1185.474636] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1185.481965] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1185.489252] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1185.497431]  ? find_held_lock+0x35/0x130
[ 1185.501636]  ? process_one_work+0x890/0x1750
[ 1185.506056]  skb_clone+0x156/0x3e0
[ 1185.509623]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1185.516310]  process_one_work+0x989/0x1750
[ 1185.520595]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1185.525375]  ? lock_acquire+0x16f/0x3f0
[ 1185.529489]  ? kasan_check_write+0x14/0x20
[ 1185.533728]  ? do_raw_spin_lock+0xd7/0x250
[ 1185.537985]  worker_thread+0x98/0xe40
[ 1185.541790]  ? trace_hardirqs_on+0x67/0x220
[ 1185.546124]  kthread+0x354/0x420
[ 1185.549929]  ? process_one_work+0x1750/0x1750
[ 1185.554438]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1185.559990]  ret_from_fork+0x24/0x30
[ 1185.563719] warn_alloc_show_mem: 1 callbacks suppressed
[ 1185.563729] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1185.563731] Mem-Info:
[ 1185.563760] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1185.563760]  active_file:13 inactive_file:13 isolated_file:0
[ 1185.563760]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1185.563760]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1185.563760]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1185.563760]  free:10948 free_pcp:188 free_cma:0
[ 1185.569427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1185.569437] Call Trace:
[ 1185.576905] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1185.579311]  <IRQ>
[ 1185.613529] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1185.622885]  dump_stack+0x197/0x210
[ 1185.625486] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1185.654734]  warn_alloc.cold+0x7b/0x173
[ 1185.656884] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1185.683258]  ? zone_watermark_ok_safe+0x260/0x260
[ 1185.686868] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1185.713737]  ? __cpuset_node_allowed+0x136/0x540
[ 1185.717707] lowmem_reserve[]: 0 0 1 1 1
[ 1185.722833]  ? __isolate_free_page+0x4c0/0x4c0
[ 1185.727659] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1185.756941]  ? wake_all_kswapds+0x14d/0x300
[ 1185.761689] lowmem_reserve[]: 0 0 0 0 0
[ 1185.765675]  __alloc_pages_slowpath+0x2214/0x2870
[ 1185.770252] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1185.796650]  ? warn_alloc+0x110/0x110
[ 1185.801014] lowmem_reserve[]: 0 0 0 0 0
[ 1185.805011]  ? __lock_acquire+0x6ee/0x49c0
[ 1185.810000] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1185.838140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1185.842188] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1185.846182]  ? should_fail+0x14d/0x85c
[ 1185.850490] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1185.863273]  ? __isolate_free_page+0x4c0/0x4c0
[ 1185.869151] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1185.884812]  __alloc_pages_nodemask+0x617/0x750
[ 1185.888693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1185.899358]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1185.903992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1185.920292]  ? find_held_lock+0x35/0x130
[ 1185.925388] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1185.934368]  cache_grow_begin+0x91/0x8c0
[ 1185.946540] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1185.955760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1185.960138] 279 total pagecache pages
[ 1185.969607]  ? __cpuset_node_allowed+0x136/0x540
[ 1185.974350] 0 pages in swap cache
[ 1185.983960]  fallback_alloc+0x1fd/0x2d0
[ 1185.990956] Swap cache stats: add 0, delete 0, find 0/0
[ 1185.990969] Free swap  = 0kB
[ 1185.994849]  ____cache_alloc_node+0x1be/0x1e0
[ 1185.999951] Total swap = 0kB
[ 1185.999962] 1965979 pages RAM
[ 1185.999965] 0 pages HighMem/MovableOnly
[ 1185.999969] 341741 pages reserved
[ 1185.999973] 0 pages cma reserved
[ 1186.000126] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1186.003753]  kmem_cache_alloc_node+0xe3/0x710
[ 1186.007716] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1186.014067]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1186.069145]  __alloc_skb+0xd5/0x5f0
[ 1186.073051]  ? skb_trim+0x190/0x190
[ 1186.078014]  ? kasan_check_read+0x11/0x20
[ 1186.082330]  ndisc_alloc_skb+0x13c/0x340
[ 1186.086902]  ndisc_send_rs+0x35f/0x6e0
[ 1186.090988]  addrconf_rs_timer+0x30f/0x680
[ 1186.095493]  ? ipv6_get_lladdr+0x490/0x490
[ 1186.099870]  call_timer_fn+0x18d/0x720
[ 1186.104039]  ? ipv6_get_lladdr+0x490/0x490
[ 1186.109463]  ? process_timeout+0x40/0x40
[ 1186.114051]  ? run_timer_softirq+0x644/0x16a0
[ 1186.118703]  ? trace_hardirqs_on+0x67/0x220
[ 1186.123405]  ? ipv6_get_lladdr+0x490/0x490
[ 1186.127755]  run_timer_softirq+0x64f/0x16a0
[ 1186.132504]  ? add_timer+0xbe0/0xbe0
[ 1186.136476]  ? __lock_is_held+0xb6/0x140
[ 1186.140605]  __do_softirq+0x25c/0x921
[ 1186.144735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1186.150456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1186.157406]  irq_exit+0x180/0x1d0
[ 1186.161005]  smp_apic_timer_interrupt+0x13b/0x550
[ 1186.166264]  apic_timer_interrupt+0xf/0x20
[ 1186.170747]  </IRQ>
[ 1186.173150] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1186.178094] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1186.198014] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1186.205985] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1186.213702] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1186.221331] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1186.228911] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1186.236241] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1186.244709]  ? netconsole_netdev_event+0x280/0x280
[ 1186.250221]  ? console_unlock+0xf36/0x10d0
[ 1186.255183]  vprintk_emit+0x280/0x6d0
[ 1186.260109]  vprintk_default+0x28/0x30
[ 1186.267188]  vprintk_func+0x7e/0x189
[ 1186.271825]  printk+0xba/0xed
[ 1186.275377]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1186.280358]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1186.284907]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1186.290256]  dump_header+0x44b/0xa55
[ 1186.293997]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1186.299285]  ? ___ratelimit+0x60/0x595
[ 1186.303265]  ? do_raw_spin_unlock+0x181/0x270
[ 1186.307869]  oom_kill_process.cold+0x10/0x6ef
[ 1186.312606]  ? lock_downgrade+0x880/0x880
[ 1186.316980]  ? kasan_check_read+0x11/0x20
[ 1186.321488]  out_of_memory+0x362/0x1330
[ 1186.325614]  ? oom_killer_disable+0x280/0x280
[ 1186.330156]  ? mutex_trylock+0x18e/0x1e0
[ 1186.334409]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1186.339828]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1186.345253]  ? warn_alloc+0x110/0x110
[ 1186.349230]  ? __lock_is_held+0xb6/0x140
[ 1186.353507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1186.359234]  ? should_fail+0x14d/0x85c
[ 1186.363226]  ? __might_sleep+0x95/0x190
[ 1186.367666]  __alloc_pages_nodemask+0x617/0x750
[ 1186.372354]  ? kasan_check_read+0x11/0x20
[ 1186.376602]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1186.382779]  ? find_get_entry+0x3e1/0xa00
[ 1186.386945]  ? find_get_pages_contig+0xed0/0xed0
[ 1186.391882]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1186.397795]  alloc_pages_current+0x107/0x210
[ 1186.402928]  __page_cache_alloc+0x2bd/0x450
[ 1186.407476]  ? kasan_check_read+0x11/0x20
[ 1186.411799]  filemap_fault+0xfeb/0x1f00
[ 1186.415796]  ? lock_downgrade+0x880/0x880
[ 1186.420070]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1186.425857]  ? lock_acquire+0x16f/0x3f0
[ 1186.430078]  ? ext4_filemap_fault+0x7b/0xaf
[ 1186.434721]  ext4_filemap_fault+0x83/0xaf
[ 1186.439294]  __do_fault+0x111/0x480
[ 1186.443389]  __handle_mm_fault+0x2d78/0x3f80
[ 1186.449022]  ? copy_page_range+0x2030/0x2030
[ 1186.453936]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1186.459328]  handle_mm_fault+0x1b5/0x690
[ 1186.463682]  __do_page_fault+0x62a/0xe90
[ 1186.468289]  ? vmalloc_fault+0x740/0x740
[ 1186.472634]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1186.477707]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1186.482734]  ? page_fault+0x8/0x30
[ 1186.486896]  do_page_fault+0x71/0x57d
[ 1186.490815]  ? page_fault+0x8/0x30
[ 1186.494763]  page_fault+0x1e/0x30
[ 1186.498442] RIP: 0033:0x45b153
[ 1186.501908] Code: Bad RIP value.
[ 1186.505318] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1186.510906] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1186.518503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1186.525793] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1186.533814] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1186.541224] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1186.549414] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1186.549474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1186.557622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1186.557649] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1186.557655] Call Trace:
[ 1186.557661]  <IRQ>
[ 1186.557682]  dump_stack+0x197/0x210
[ 1186.557702]  warn_alloc.cold+0x7b/0x173
[ 1186.564366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1186.574864]  ? zone_watermark_ok_safe+0x260/0x260
[ 1186.582226] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1186.584938]  ? __cpuset_node_allowed+0x136/0x540
[ 1186.622108]  ? __isolate_free_page+0x4c0/0x4c0
[ 1186.627011]  ? wake_all_kswapds+0x14d/0x300
[ 1186.631404]  __alloc_pages_slowpath+0x2214/0x2870
[ 1186.636509]  ? warn_alloc+0x110/0x110
[ 1186.640495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1186.647640]  ? should_fail+0x14d/0x85c
[ 1186.652009]  ? __isolate_free_page+0x4c0/0x4c0
[ 1186.658287]  __alloc_pages_nodemask+0x617/0x750
[ 1186.663021]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1186.668135]  ? mark_held_locks+0x100/0x100
[ 1186.672419]  page_frag_alloc+0x541/0x670
[ 1186.676796]  ? check_preemption_disabled+0x48/0x290
[ 1186.681963]  __netdev_alloc_skb+0x20a/0x470
[ 1186.686518]  send_hsr_supervision_frame+0x110/0xfc0
[ 1186.691622]  ? lock_acquire+0x16f/0x3f0
[ 1186.695662]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1186.700866]  hsr_announce+0x12f/0x3b0
[ 1186.704738]  call_timer_fn+0x18d/0x720
[ 1186.708689]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1186.714306]  ? process_timeout+0x40/0x40
[ 1186.718392]  ? run_timer_softirq+0x644/0x16a0
[ 1186.723512]  ? trace_hardirqs_on+0x67/0x220
[ 1186.727917]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1186.733253]  run_timer_softirq+0x64f/0x16a0
[ 1186.737713]  ? add_timer+0xbe0/0xbe0
[ 1186.741570]  ? __lock_is_held+0xb6/0x140
[ 1186.746409]  __do_softirq+0x25c/0x921
[ 1186.750282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1186.756668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1186.762447]  irq_exit+0x180/0x1d0
[ 1186.765927]  smp_apic_timer_interrupt+0x13b/0x550
[ 1186.771027]  apic_timer_interrupt+0xf/0x20
[ 1186.775636]  </IRQ>
[ 1186.777884] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1186.782994] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1186.802594] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1186.810667] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1186.818252] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1186.825736] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1186.833290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1186.840778] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1186.848486]  ? find_held_lock+0x35/0x130
[ 1186.852609]  ? process_one_work+0x890/0x1750
[ 1186.857422]  skb_clone+0x156/0x3e0
[ 1186.861066]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1186.867402]  process_one_work+0x989/0x1750
[ 1186.872265]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1186.877073]  ? lock_acquire+0x16f/0x3f0
[ 1186.881725]  ? kasan_check_write+0x14/0x20
[ 1186.886141]  ? do_raw_spin_lock+0xd7/0x250
[ 1186.891435]  worker_thread+0x98/0xe40
[ 1186.895463]  ? trace_hardirqs_on+0x67/0x220
[ 1186.899812]  kthread+0x354/0x420
[ 1186.903180]  ? process_one_work+0x1750/0x1750
[ 1186.907693]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1186.913249]  ret_from_fork+0x24/0x30
[ 1186.917233] warn_alloc_show_mem: 1 callbacks suppressed
[ 1186.917244] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1186.917246] Mem-Info:
[ 1186.917275] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1186.917275]  active_file:13 inactive_file:13 isolated_file:0
[ 1186.917275]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1186.917275]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1186.917275]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1186.917275]  free:10948 free_pcp:188 free_cma:0
[ 1186.922839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1186.922849] Call Trace:
[ 1186.930528] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1186.932992]  <IRQ>
[ 1186.966883] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1186.976733]  dump_stack+0x197/0x210
[ 1186.979344] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1187.007584]  warn_alloc.cold+0x7b/0x173
[ 1187.009777] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1187.036632]  ? zone_watermark_ok_safe+0x260/0x260
[ 1187.040347] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1187.067048]  ? __cpuset_node_allowed+0x136/0x540
[ 1187.071003] lowmem_reserve[]: 0 0 1 1 1
[ 1187.076032]  ? __isolate_free_page+0x4c0/0x4c0
[ 1187.080858] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1187.110244]  ? wake_all_kswapds+0x14d/0x300
[ 1187.115023] lowmem_reserve[]: 0 0 0 0 0
[ 1187.119014]  __alloc_pages_slowpath+0x2214/0x2870
[ 1187.123574] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1187.149687]  ? warn_alloc+0x110/0x110
[ 1187.154065] lowmem_reserve[]: 0 0 0 0 0
[ 1187.158286]  ? __lock_acquire+0x6ee/0x49c0
[ 1187.163177] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1187.191494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1187.195454] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1187.199648]  ? should_fail+0x14d/0x85c
[ 1187.203871] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1187.216630]  ? __isolate_free_page+0x4c0/0x4c0
[ 1187.222162] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1187.237589]  __alloc_pages_nodemask+0x617/0x750
[ 1187.241464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1187.252147]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1187.256720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1187.272681]  ? find_held_lock+0x35/0x130
[ 1187.277604] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1187.286518]  cache_grow_begin+0x91/0x8c0
[ 1187.291666] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1187.300293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1187.304402] 279 total pagecache pages
[ 1187.313259]  ? __cpuset_node_allowed+0x136/0x540
[ 1187.317447] 0 pages in swap cache
[ 1187.317459] Swap cache stats: add 0, delete 0, find 0/0
[ 1187.326234]  fallback_alloc+0x1fd/0x2d0
[ 1187.331756] Free swap  = 0kB
[ 1187.335558]  ____cache_alloc_node+0x1be/0x1e0
[ 1187.340470] Total swap = 0kB
[ 1187.340480] 1965979 pages RAM
[ 1187.344024]  kmem_cache_alloc_node+0xe3/0x710
[ 1187.349817] 0 pages HighMem/MovableOnly
[ 1187.349826] 341741 pages reserved
[ 1187.353849]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1187.356854] 0 pages cma reserved
[ 1187.357142] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1187.361540]  __alloc_skb+0xd5/0x5f0
[ 1187.364703] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1187.367829]  ? skb_trim+0x190/0x190
[ 1187.409761]  ? kasan_check_read+0x11/0x20
[ 1187.414231]  ndisc_alloc_skb+0x13c/0x340
[ 1187.418309]  ndisc_send_rs+0x35f/0x6e0
[ 1187.422205]  addrconf_rs_timer+0x30f/0x680
[ 1187.426448]  ? ipv6_get_lladdr+0x490/0x490
[ 1187.430985]  call_timer_fn+0x18d/0x720
[ 1187.434880]  ? ipv6_get_lladdr+0x490/0x490
[ 1187.439115]  ? process_timeout+0x40/0x40
[ 1187.443474]  ? run_timer_softirq+0x644/0x16a0
[ 1187.448011]  ? trace_hardirqs_on+0x67/0x220
[ 1187.452347]  ? ipv6_get_lladdr+0x490/0x490
[ 1187.456768]  run_timer_softirq+0x64f/0x16a0
[ 1187.461110]  ? add_timer+0xbe0/0xbe0
[ 1187.464839]  ? __lock_is_held+0xb6/0x140
[ 1187.468972]  __do_softirq+0x25c/0x921
[ 1187.472793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1187.478338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1187.483904]  irq_exit+0x180/0x1d0
[ 1187.487564]  smp_apic_timer_interrupt+0x13b/0x550
[ 1187.492414]  apic_timer_interrupt+0xf/0x20
[ 1187.496662]  </IRQ>
[ 1187.498904] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1187.503922] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1187.523098] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1187.530812] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1187.538407] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1187.545734] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1187.553268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1187.560672] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1187.568316]  ? netconsole_netdev_event+0x280/0x280
[ 1187.573259]  ? console_unlock+0xf36/0x10d0
[ 1187.577516]  vprintk_emit+0x280/0x6d0
[ 1187.581323]  vprintk_default+0x28/0x30
[ 1187.585215]  vprintk_func+0x7e/0x189
[ 1187.588962]  printk+0xba/0xed
[ 1187.592174]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1187.596954]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1187.601466]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1187.606640]  dump_header+0x44b/0xa55
[ 1187.610368]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1187.615640]  ? ___ratelimit+0x60/0x595
[ 1187.619835]  ? do_raw_spin_unlock+0x181/0x270
[ 1187.624346]  oom_kill_process.cold+0x10/0x6ef
[ 1187.628851]  ? lock_downgrade+0x880/0x880
[ 1187.633005]  ? kasan_check_read+0x11/0x20
[ 1187.637189]  out_of_memory+0x362/0x1330
[ 1187.641358]  ? oom_killer_disable+0x280/0x280
[ 1187.646019]  ? mutex_trylock+0x18e/0x1e0
[ 1187.650262]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1187.655388]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1187.660377]  ? warn_alloc+0x110/0x110
[ 1187.664182]  ? __lock_is_held+0xb6/0x140
[ 1187.668252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1187.673800]  ? should_fail+0x14d/0x85c
[ 1187.677719]  ? __might_sleep+0x95/0x190
[ 1187.681841]  __alloc_pages_nodemask+0x617/0x750
[ 1187.686519]  ? kasan_check_read+0x11/0x20
[ 1187.690680]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1187.695757]  ? find_get_entry+0x3e1/0xa00
[ 1187.700051]  ? find_get_pages_contig+0xed0/0xed0
[ 1187.704835]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1187.710390]  alloc_pages_current+0x107/0x210
[ 1187.714848]  __page_cache_alloc+0x2bd/0x450
[ 1187.719410]  ? kasan_check_read+0x11/0x20
[ 1187.723580]  filemap_fault+0xfeb/0x1f00
[ 1187.727778]  ? lock_downgrade+0x880/0x880
[ 1187.732190]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1187.737027]  ? lock_acquire+0x16f/0x3f0
[ 1187.741045]  ? ext4_filemap_fault+0x7b/0xaf
[ 1187.745384]  ext4_filemap_fault+0x83/0xaf
[ 1187.749718]  __do_fault+0x111/0x480
[ 1187.753401]  __handle_mm_fault+0x2d78/0x3f80
[ 1187.757821]  ? copy_page_range+0x2030/0x2030
[ 1187.762648]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1187.767331]  handle_mm_fault+0x1b5/0x690
[ 1187.771403]  __do_page_fault+0x62a/0xe90
[ 1187.775617]  ? vmalloc_fault+0x740/0x740
[ 1187.779868]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1187.784967]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1187.790257]  ? page_fault+0x8/0x30
[ 1187.794044]  do_page_fault+0x71/0x57d
[ 1187.797870]  ? page_fault+0x8/0x30
[ 1187.801419]  page_fault+0x1e/0x30
[ 1187.804877] RIP: 0033:0x45b153
[ 1187.808389] Code: Bad RIP value.
[ 1187.811757] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1187.817124] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1187.824544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1187.831895] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1187.839320] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1187.846771] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1187.854229] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1187.854294] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1187.862275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1187.862301] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1187.862308] Call Trace:
[ 1187.862315]  <IRQ>
[ 1187.862333]  dump_stack+0x197/0x210
[ 1187.862361]  warn_alloc.cold+0x7b/0x173
[ 1187.869032] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1187.878405]  ? zone_watermark_ok_safe+0x260/0x260
[ 1187.885490] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1187.888085]  ? __cpuset_node_allowed+0x136/0x540
[ 1187.923404]  ? __isolate_free_page+0x4c0/0x4c0
[ 1187.928354]  ? wake_all_kswapds+0x14d/0x300
[ 1187.932689]  __alloc_pages_slowpath+0x2214/0x2870
[ 1187.937555]  ? warn_alloc+0x110/0x110
[ 1187.941404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1187.947098]  ? should_fail+0x14d/0x85c
[ 1187.951278]  ? __isolate_free_page+0x4c0/0x4c0
[ 1187.955940]  __alloc_pages_nodemask+0x617/0x750
[ 1187.960627]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1187.965891]  ? mark_held_locks+0x100/0x100
[ 1187.970266]  ? trace_hardirqs_on+0x67/0x220
[ 1187.974600]  page_frag_alloc+0x541/0x670
[ 1187.978734]  ? check_preemption_disabled+0x48/0x290
[ 1187.983761]  __netdev_alloc_skb+0x20a/0x470
[ 1187.988092]  send_hsr_supervision_frame+0x110/0xfc0
[ 1187.993116]  ? lock_acquire+0x16f/0x3f0
[ 1187.997098]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1188.002122]  hsr_announce+0x12f/0x3b0
[ 1188.006106]  call_timer_fn+0x18d/0x720
[ 1188.010020]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1188.015222]  ? process_timeout+0x40/0x40
[ 1188.019287]  ? run_timer_softirq+0x644/0x16a0
[ 1188.023961]  ? trace_hardirqs_on+0x67/0x220
[ 1188.028297]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1188.033505]  run_timer_softirq+0x64f/0x16a0
[ 1188.037852]  ? add_timer+0xbe0/0xbe0
[ 1188.041639]  ? __lock_is_held+0xb6/0x140
[ 1188.046068]  __do_softirq+0x25c/0x921
[ 1188.050226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1188.055796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1188.061356]  irq_exit+0x180/0x1d0
[ 1188.064827]  smp_apic_timer_interrupt+0x13b/0x550
[ 1188.069957]  apic_timer_interrupt+0xf/0x20
[ 1188.074201]  </IRQ>
[ 1188.076537] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1188.081581] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1188.101027] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1188.108740] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1188.116172] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1188.123463] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1188.130748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1188.138220] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1188.145531]  ? find_held_lock+0x35/0x130
[ 1188.149604]  ? process_one_work+0x890/0x1750
[ 1188.154283]  skb_clone+0x156/0x3e0
[ 1188.157862]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1188.164498]  process_one_work+0x989/0x1750
[ 1188.168977]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1188.173661]  ? lock_acquire+0x16f/0x3f0
[ 1188.177653]  ? kasan_check_write+0x14/0x20
[ 1188.182307]  ? do_raw_spin_lock+0xd7/0x250
[ 1188.186557]  worker_thread+0x98/0xe40
[ 1188.190523]  ? trace_hardirqs_on+0x67/0x220
[ 1188.194865]  kthread+0x354/0x420
[ 1188.198238]  ? process_one_work+0x1750/0x1750
[ 1188.202763]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1188.208312]  ret_from_fork+0x24/0x30
[ 1188.212239] warn_alloc_show_mem: 1 callbacks suppressed
[ 1188.212332] Mem-Info:
[ 1188.212420] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1188.217772] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1188.217772]  active_file:13 inactive_file:13 isolated_file:0
[ 1188.217772]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1188.217772]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1188.217772]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1188.217772]  free:10948 free_pcp:188 free_cma:0
[ 1188.220166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1188.227640] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1188.260868] Call Trace:
[ 1188.270614] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1188.298739]  <IRQ>
[ 1188.301325] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1188.327415]  dump_stack+0x197/0x210
[ 1188.329816] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1188.356400]  warn_alloc.cold+0x7b/0x173
[ 1188.360334] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1188.365369]  ? zone_watermark_ok_safe+0x260/0x260
[ 1188.369470] lowmem_reserve[]: 0 0 1 1 1
[ 1188.399259]  ? __cpuset_node_allowed+0x136/0x540
[ 1188.404085] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1188.408070]  ? __isolate_free_page+0x4c0/0x4c0
[ 1188.412927] lowmem_reserve[]: 0 0 0 0 0
[ 1188.439033]  ? wake_all_kswapds+0x14d/0x300
[ 1188.443666] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1188.447657]  __alloc_pages_slowpath+0x2214/0x2870
[ 1188.452303] lowmem_reserve[]: 0 0 0 0 0
[ 1188.480280]  ? warn_alloc+0x110/0x110
[ 1188.485298] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1188.489488]  ? __lock_acquire+0x6ee/0x49c0
[ 1188.493504] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1188.506390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1188.510607] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1188.526153]  ? should_fail+0x14d/0x85c
[ 1188.532239] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1188.543124]  ? __isolate_free_page+0x4c0/0x4c0
[ 1188.547005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1188.563219]  __alloc_pages_nodemask+0x617/0x750
[ 1188.567934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1188.567948] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1188.576940]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1188.581599] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1188.590405]  ? find_held_lock+0x35/0x130
[ 1188.599490] 279 total pagecache pages
[ 1188.604715]  cache_grow_begin+0x91/0x8c0
[ 1188.613285] 0 pages in swap cache
[ 1188.617518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1188.621363] Swap cache stats: add 0, delete 0, find 0/0
[ 1188.621371] Free swap  = 0kB
[ 1188.625535]  ? __cpuset_node_allowed+0x136/0x540
[ 1188.629186] Total swap = 0kB
[ 1188.629210] 1965979 pages RAM
[ 1188.634793]  fallback_alloc+0x1fd/0x2d0
[ 1188.640383] 0 pages HighMem/MovableOnly
[ 1188.643541]  ____cache_alloc_node+0x1be/0x1e0
[ 1188.648558] 341741 pages reserved
[ 1188.651595]  kmem_cache_alloc_node+0xe3/0x710
[ 1188.654758] 0 pages cma reserved
[ 1188.659116]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1188.663340] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1188.667662]  __alloc_skb+0xd5/0x5f0
[ 1188.671089] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1188.675752]  ? skb_trim+0x190/0x190
[ 1188.705484]  ? kasan_check_read+0x11/0x20
[ 1188.709817]  ndisc_alloc_skb+0x13c/0x340
[ 1188.713897]  ndisc_send_rs+0x35f/0x6e0
[ 1188.718005]  addrconf_rs_timer+0x30f/0x680
[ 1188.722448]  ? ipv6_get_lladdr+0x490/0x490
[ 1188.726706]  call_timer_fn+0x18d/0x720
[ 1188.730612]  ? ipv6_get_lladdr+0x490/0x490
[ 1188.735047]  ? process_timeout+0x40/0x40
[ 1188.739127]  ? run_timer_softirq+0x644/0x16a0
[ 1188.743641]  ? trace_hardirqs_on+0x67/0x220
[ 1188.747973]  ? ipv6_get_lladdr+0x490/0x490
[ 1188.752366]  run_timer_softirq+0x64f/0x16a0
[ 1188.757224]  ? add_timer+0xbe0/0xbe0
[ 1188.760945]  ? __lock_is_held+0xb6/0x140
[ 1188.765233]  __do_softirq+0x25c/0x921
[ 1188.769040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1188.774582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1188.780420]  irq_exit+0x180/0x1d0
[ 1188.783884]  smp_apic_timer_interrupt+0x13b/0x550
[ 1188.788733]  apic_timer_interrupt+0xf/0x20
[ 1188.793179]  </IRQ>
[ 1188.795436] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1188.800437] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1188.819472] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1188.827550] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1188.835849] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1188.843747] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1188.851634] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1188.859837] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1188.867355]  ? netconsole_netdev_event+0x280/0x280
[ 1188.872496]  ? console_unlock+0xf36/0x10d0
[ 1188.877472]  vprintk_emit+0x280/0x6d0
[ 1188.881897]  vprintk_default+0x28/0x30
[ 1188.886551]  vprintk_func+0x7e/0x189
[ 1188.890750]  printk+0xba/0xed
[ 1188.894560]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1188.899725]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1188.904415]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1188.909997]  dump_header+0x44b/0xa55
[ 1188.913791]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1188.919085]  ? ___ratelimit+0x60/0x595
[ 1188.923514]  ? do_raw_spin_unlock+0x181/0x270
[ 1188.928108]  oom_kill_process.cold+0x10/0x6ef
[ 1188.933374]  ? lock_downgrade+0x880/0x880
[ 1188.938234]  ? kasan_check_read+0x11/0x20
[ 1188.942713]  out_of_memory+0x362/0x1330
[ 1188.947066]  ? oom_killer_disable+0x280/0x280
[ 1188.952745]  ? mutex_trylock+0x18e/0x1e0
[ 1188.957140]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1188.963115]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1188.968426]  ? warn_alloc+0x110/0x110
[ 1188.972380]  ? __lock_is_held+0xb6/0x140
[ 1188.976716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1188.982989]  ? should_fail+0x14d/0x85c
[ 1188.987255]  ? __might_sleep+0x95/0x190
[ 1188.991325]  __alloc_pages_nodemask+0x617/0x750
[ 1188.996192]  ? kasan_check_read+0x11/0x20
[ 1189.000526]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1189.005635]  ? find_get_entry+0x3e1/0xa00
[ 1189.010032]  ? find_get_pages_contig+0xed0/0xed0
[ 1189.015124]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1189.021002]  alloc_pages_current+0x107/0x210
[ 1189.025736]  __page_cache_alloc+0x2bd/0x450
[ 1189.030067]  ? kasan_check_read+0x11/0x20
[ 1189.034711]  filemap_fault+0xfeb/0x1f00
[ 1189.039745]  ? lock_downgrade+0x880/0x880
[ 1189.044657]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1189.050092]  ? lock_acquire+0x16f/0x3f0
[ 1189.055210]  ? ext4_filemap_fault+0x7b/0xaf
[ 1189.060862]  ext4_filemap_fault+0x83/0xaf
[ 1189.065376]  __do_fault+0x111/0x480
[ 1189.069570]  __handle_mm_fault+0x2d78/0x3f80
[ 1189.074880]  ? copy_page_range+0x2030/0x2030
[ 1189.079330]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1189.084318]  handle_mm_fault+0x1b5/0x690
[ 1189.088914]  __do_page_fault+0x62a/0xe90
[ 1189.092984]  ? vmalloc_fault+0x740/0x740
[ 1189.097057]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1189.102528]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1189.107651]  ? page_fault+0x8/0x30
[ 1189.111428]  do_page_fault+0x71/0x57d
[ 1189.115366]  ? page_fault+0x8/0x30
[ 1189.119158]  page_fault+0x1e/0x30
[ 1189.122704] RIP: 0033:0x45b153
[ 1189.126073] Code: Bad RIP value.
[ 1189.129904] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1189.137251] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1189.144628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1189.153165] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1189.161066] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1189.169180] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1189.177321] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1189.177381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1189.185605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1189.185633] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1189.185640] Call Trace:
[ 1189.185646]  <IRQ>
[ 1189.185665]  dump_stack+0x197/0x210
[ 1189.185685]  warn_alloc.cold+0x7b/0x173
[ 1189.192881] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1189.202675]  ? zone_watermark_ok_safe+0x260/0x260
[ 1189.210246] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1189.212938]  ? __cpuset_node_allowed+0x136/0x540
[ 1189.251125]  ? __isolate_free_page+0x4c0/0x4c0
[ 1189.256407]  ? wake_all_kswapds+0x14d/0x300
[ 1189.261996]  __alloc_pages_slowpath+0x2214/0x2870
[ 1189.267414]  ? warn_alloc+0x110/0x110
[ 1189.271789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1189.278036]  ? should_fail+0x14d/0x85c
[ 1189.282115]  ? __isolate_free_page+0x4c0/0x4c0
[ 1189.286803]  __alloc_pages_nodemask+0x617/0x750
[ 1189.291816]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1189.297040]  ? mark_held_locks+0x100/0x100
[ 1189.301658]  ? tcp_keepalive_timer+0x39e/0xc90
[ 1189.306282]  page_frag_alloc+0x541/0x670
[ 1189.310572]  ? check_preemption_disabled+0x48/0x290
[ 1189.315824]  __netdev_alloc_skb+0x20a/0x470
[ 1189.320343]  send_hsr_supervision_frame+0x110/0xfc0
[ 1189.325433]  ? lock_acquire+0x16f/0x3f0
[ 1189.329841]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1189.335053]  hsr_announce+0x12f/0x3b0
[ 1189.339183]  call_timer_fn+0x18d/0x720
[ 1189.343419]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1189.349098]  ? process_timeout+0x40/0x40
[ 1189.353468]  ? run_timer_softirq+0x644/0x16a0
[ 1189.358363]  ? trace_hardirqs_on+0x67/0x220
[ 1189.363291]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1189.368820]  run_timer_softirq+0x64f/0x16a0
[ 1189.374132]  ? add_timer+0xbe0/0xbe0
[ 1189.378259]  ? __lock_is_held+0xb6/0x140
[ 1189.382783]  __do_softirq+0x25c/0x921
[ 1189.386704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1189.392247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1189.398046]  irq_exit+0x180/0x1d0
[ 1189.401714]  smp_apic_timer_interrupt+0x13b/0x550
[ 1189.407084]  apic_timer_interrupt+0xf/0x20
[ 1189.411717]  </IRQ>
[ 1189.413975] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1189.418915] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1189.440155] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1189.448097] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1189.455508] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1189.464576] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1189.472698] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1189.480168] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1189.487737]  ? find_held_lock+0x35/0x130
[ 1189.492000]  ? process_one_work+0x890/0x1750
[ 1189.496935]  skb_clone+0x156/0x3e0
[ 1189.500532]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1189.507466]  process_one_work+0x989/0x1750
[ 1189.511721]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1189.516581]  ? lock_acquire+0x16f/0x3f0
[ 1189.520572]  ? kasan_check_write+0x14/0x20
[ 1189.524816]  ? do_raw_spin_lock+0xd7/0x250
[ 1189.529442]  worker_thread+0x98/0xe40
[ 1189.533535]  ? trace_hardirqs_on+0x67/0x220
[ 1189.538239]  kthread+0x354/0x420
[ 1189.541791]  ? process_one_work+0x1750/0x1750
[ 1189.546981]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1189.552813]  ret_from_fork+0x24/0x30
[ 1189.556636] warn_alloc_show_mem: 1 callbacks suppressed
[ 1189.556646] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1189.556648] Mem-Info:
[ 1189.556677] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1189.556677]  active_file:13 inactive_file:13 isolated_file:0
[ 1189.556677]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1189.556677]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1189.556677]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1189.556677]  free:10948 free_pcp:188 free_cma:0
[ 1189.562309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1189.570733] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1189.573336] Call Trace:
[ 1189.608661] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1189.618094]  <IRQ>
[ 1189.647369] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1189.650189]  dump_stack+0x197/0x210
[ 1189.678552] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1189.680848]  warn_alloc.cold+0x7b/0x173
[ 1189.707718] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1189.711542]  ? zone_watermark_ok_safe+0x260/0x260
[ 1189.716764] lowmem_reserve[]: 0 0 1 1 1
[ 1189.720782]  ? __cpuset_node_allowed+0x136/0x540
[ 1189.751633] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1189.758094]  ? __isolate_free_page+0x4c0/0x4c0
[ 1189.762534] lowmem_reserve[]: 0 0 0 0 0
[ 1189.767979]  ? wake_all_kswapds+0x14d/0x300
[ 1189.794859] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1189.800252]  __alloc_pages_slowpath+0x2214/0x2870
[ 1189.804290] lowmem_reserve[]: 0 0 0 0 0
[ 1189.809719]  ? warn_alloc+0x110/0x110
[ 1189.838988] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1189.844362]  ? __lock_acquire+0x6ee/0x49c0
[ 1189.849120] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1189.853341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1189.866533] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1189.871678]  ? should_fail+0x14d/0x85c
[ 1189.887904] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1189.893801]  ? __isolate_free_page+0x4c0/0x4c0
[ 1189.906444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1189.910529]  __alloc_pages_nodemask+0x617/0x750
[ 1189.927717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1189.933137]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1189.942941] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1189.950851]  ? find_held_lock+0x35/0x130
[ 1189.959979] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1189.959989] 279 total pagecache pages
[ 1189.965213]  cache_grow_begin+0x91/0x8c0
[ 1189.974441] 0 pages in swap cache
[ 1189.979052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1189.988508] Swap cache stats: add 0, delete 0, find 0/0
[ 1189.988516] Free swap  = 0kB
[ 1189.992638]  ? __cpuset_node_allowed+0x136/0x540
[ 1189.997258] Total swap = 0kB
[ 1189.997274] 1965979 pages RAM
[ 1190.000750]  fallback_alloc+0x1fd/0x2d0
[ 1190.006484] 0 pages HighMem/MovableOnly
[ 1190.012134]  ____cache_alloc_node+0x1be/0x1e0
[ 1190.015197] 341741 pages reserved
[ 1190.015206] 0 pages cma reserved
[ 1190.020181]  kmem_cache_alloc+0x1f3/0x700
[ 1190.023513] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1190.027069]  ? mark_held_locks+0xb1/0x100
[ 1190.031903] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1190.037150]  ? __netdev_alloc_skb+0x370/0x470
[ 1190.080695]  __build_skb+0x3e/0x310
[ 1190.084333]  __netdev_alloc_skb+0x2ba/0x470
[ 1190.088712]  send_hsr_supervision_frame+0x110/0xfc0
[ 1190.093773]  ? lock_acquire+0x16f/0x3f0
[ 1190.097885]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1190.102908]  hsr_announce+0x12f/0x3b0
[ 1190.106872]  call_timer_fn+0x18d/0x720
[ 1190.110881]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1190.116081]  ? process_timeout+0x40/0x40
[ 1190.120149]  ? run_timer_softirq+0x644/0x16a0
[ 1190.124682]  ? trace_hardirqs_on+0x67/0x220
[ 1190.129022]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1190.134393]  run_timer_softirq+0x64f/0x16a0
[ 1190.138890]  ? add_timer+0xbe0/0xbe0
[ 1190.142619]  ? __lock_is_held+0xb6/0x140
[ 1190.146694]  __do_softirq+0x25c/0x921
[ 1190.150529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1190.156075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1190.161825]  irq_exit+0x180/0x1d0
[ 1190.165327]  smp_apic_timer_interrupt+0x13b/0x550
[ 1190.170225]  apic_timer_interrupt+0xf/0x20
[ 1190.174554]  </IRQ>
[ 1190.177043] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1190.181923] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1190.201324] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1190.209126] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1190.216480] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1190.223873] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1190.231529] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1190.238819] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1190.246286]  ? netconsole_netdev_event+0x280/0x280
[ 1190.251342]  ? console_unlock+0xf36/0x10d0
[ 1190.255702]  vprintk_emit+0x280/0x6d0
[ 1190.259536]  vprintk_default+0x28/0x30
[ 1190.263555]  vprintk_func+0x7e/0x189
[ 1190.267414]  printk+0xba/0xed
[ 1190.270683]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1190.275456]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1190.279977]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1190.285489]  dump_header+0x44b/0xa55
[ 1190.289228]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1190.294351]  ? ___ratelimit+0x60/0x595
[ 1190.298248]  ? do_raw_spin_unlock+0x181/0x270
[ 1190.303005]  oom_kill_process.cold+0x10/0x6ef
[ 1190.307521]  ? lock_downgrade+0x880/0x880
[ 1190.311715]  ? kasan_check_read+0x11/0x20
[ 1190.315890]  out_of_memory+0x362/0x1330
[ 1190.320140]  ? oom_killer_disable+0x280/0x280
[ 1190.324810]  ? mutex_trylock+0x18e/0x1e0
[ 1190.329183]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1190.334527]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1190.340211]  ? warn_alloc+0x110/0x110
[ 1190.346758]  ? __lock_is_held+0xb6/0x140
[ 1190.352064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1190.360479]  ? should_fail+0x14d/0x85c
[ 1190.364646]  ? __might_sleep+0x95/0x190
[ 1190.369083]  __alloc_pages_nodemask+0x617/0x750
[ 1190.374390]  ? kasan_check_read+0x11/0x20
[ 1190.379187]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1190.386025]  ? find_get_entry+0x3e1/0xa00
[ 1190.390957]  ? find_get_pages_contig+0xed0/0xed0
[ 1190.396276]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1190.402215]  alloc_pages_current+0x107/0x210
[ 1190.407990]  __page_cache_alloc+0x2bd/0x450
[ 1190.412672]  ? kasan_check_read+0x11/0x20
[ 1190.417289]  filemap_fault+0xfeb/0x1f00
[ 1190.422148]  ? lock_downgrade+0x880/0x880
[ 1190.426523]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1190.431844]  ? lock_acquire+0x16f/0x3f0
[ 1190.436290]  ? ext4_filemap_fault+0x7b/0xaf
[ 1190.440862]  ext4_filemap_fault+0x83/0xaf
[ 1190.446958]  __do_fault+0x111/0x480
[ 1190.451138]  __handle_mm_fault+0x2d78/0x3f80
[ 1190.455792]  ? copy_page_range+0x2030/0x2030
[ 1190.460749]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1190.465691]  handle_mm_fault+0x1b5/0x690
[ 1190.470278]  __do_page_fault+0x62a/0xe90
[ 1190.474899]  ? vmalloc_fault+0x740/0x740
[ 1190.479161]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1190.484726]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1190.489854]  ? page_fault+0x8/0x30
[ 1190.493720]  do_page_fault+0x71/0x57d
[ 1190.498381]  ? page_fault+0x8/0x30
[ 1190.502125]  page_fault+0x1e/0x30
[ 1190.505845] RIP: 0033:0x45b153
[ 1190.510527] Code: Bad RIP value.
[ 1190.514059] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1190.519593] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1190.527324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1190.535542] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1190.543779] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1190.551476] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1190.559974] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1190.560129] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1190.568155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1190.568181] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1190.579067] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1190.588913] Call Trace:
[ 1190.604472]  <IRQ>
[ 1190.606654]  dump_stack+0x197/0x210
[ 1190.610686]  warn_alloc.cold+0x7b/0x173
[ 1190.614696]  ? zone_watermark_ok_safe+0x260/0x260
[ 1190.619762]  ? __cpuset_node_allowed+0x136/0x540
[ 1190.624844]  ? __isolate_free_page+0x4c0/0x4c0
[ 1190.629505]  ? wake_all_kswapds+0x14d/0x300
[ 1190.634219]  __alloc_pages_slowpath+0x2214/0x2870
[ 1190.639680]  ? warn_alloc+0x110/0x110
[ 1190.643716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1190.649533]  ? should_fail+0x14d/0x85c
[ 1190.653883]  ? __isolate_free_page+0x4c0/0x4c0
[ 1190.658808]  __alloc_pages_nodemask+0x617/0x750
[ 1190.664027]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1190.670256]  ? mark_held_locks+0x100/0x100
[ 1190.675407]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1190.681558]  page_frag_alloc+0x541/0x670
[ 1190.685843]  ? check_preemption_disabled+0x48/0x290
[ 1190.691003]  __netdev_alloc_skb+0x20a/0x470
[ 1190.695857]  send_hsr_supervision_frame+0x110/0xfc0
[ 1190.703092]  ? lock_acquire+0x16f/0x3f0
[ 1190.707646]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1190.713292]  hsr_announce+0x12f/0x3b0
[ 1190.717192]  call_timer_fn+0x18d/0x720
[ 1190.721355]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1190.727089]  ? process_timeout+0x40/0x40
[ 1190.731604]  ? run_timer_softirq+0x644/0x16a0
[ 1190.736624]  ? trace_hardirqs_on+0x67/0x220
[ 1190.741270]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1190.746918]  run_timer_softirq+0x64f/0x16a0
[ 1190.751978]  ? add_timer+0xbe0/0xbe0
[ 1190.756064]  ? __lock_is_held+0xb6/0x140
[ 1190.760192]  __do_softirq+0x25c/0x921
[ 1190.763998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1190.769657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1190.776246]  irq_exit+0x180/0x1d0
[ 1190.780409]  smp_apic_timer_interrupt+0x13b/0x550
[ 1190.785312]  apic_timer_interrupt+0xf/0x20
[ 1190.791112]  </IRQ>
[ 1190.793689] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1190.798821] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1190.819036] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1190.827146] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1190.834724] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1190.842327] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1190.850462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1190.858594] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1190.866388]  ? find_held_lock+0x35/0x130
[ 1190.871412]  ? process_one_work+0x890/0x1750
[ 1190.876160]  skb_clone+0x156/0x3e0
[ 1190.880326]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1190.887105]  process_one_work+0x989/0x1750
[ 1190.891640]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1190.896600]  ? lock_acquire+0x16f/0x3f0
[ 1190.900784]  ? kasan_check_write+0x14/0x20
[ 1190.906018]  ? do_raw_spin_lock+0xd7/0x250
[ 1190.910654]  worker_thread+0x98/0xe40
[ 1190.914499]  ? trace_hardirqs_on+0x67/0x220
[ 1190.919156]  kthread+0x354/0x420
[ 1190.922809]  ? process_one_work+0x1750/0x1750
[ 1190.927569]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1190.933786]  ret_from_fork+0x24/0x30
[ 1190.937757] warn_alloc_show_mem: 1 callbacks suppressed
[ 1190.937767] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1190.937769] Mem-Info:
[ 1190.937798] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1190.937798]  active_file:13 inactive_file:13 isolated_file:0
[ 1190.937798]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1190.937798]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1190.937798]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1190.937798]  free:10948 free_pcp:188 free_cma:0
[ 1190.943699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1190.952164] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1190.954723] Call Trace:
[ 1190.990481] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1191.000225]  <IRQ>
[ 1191.029540] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1191.032811]  dump_stack+0x197/0x210
[ 1191.060804] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1191.063311]  warn_alloc.cold+0x7b/0x173
[ 1191.092222] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1191.096042]  ? zone_watermark_ok_safe+0x260/0x260
[ 1191.101569] lowmem_reserve[]: 0 0 1 1 1
[ 1191.106256]  ? __cpuset_node_allowed+0x136/0x540
[ 1191.137228] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1191.142866]  ? __isolate_free_page+0x4c0/0x4c0
[ 1191.147951] lowmem_reserve[]: 0 0 0 0 0
[ 1191.153489]  ? wake_all_kswapds+0x14d/0x300
[ 1191.182288] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1191.187318]  __alloc_pages_slowpath+0x2214/0x2870
[ 1191.191492] lowmem_reserve[]: 0 0 0 0 0
[ 1191.196204]  ? warn_alloc+0x110/0x110
[ 1191.225690] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1191.234799]  ? __lock_acquire+0x6ee/0x49c0
[ 1191.239107] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1191.243397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1191.257283] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1191.262820]  ? should_fail+0x14d/0x85c
[ 1191.280128] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1191.286063]  ? __isolate_free_page+0x4c0/0x4c0
[ 1191.298441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1191.302631]  __alloc_pages_nodemask+0x617/0x750
[ 1191.320477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1191.325175]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1191.325197]  ? find_held_lock+0x35/0x130
[ 1191.325215]  cache_grow_begin+0x91/0x8c0
[ 1191.335578] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1191.335592] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1191.341244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1191.350640] 279 total pagecache pages
[ 1191.356094]  ? __cpuset_node_allowed+0x136/0x540
[ 1191.360477] 0 pages in swap cache
[ 1191.365235]  fallback_alloc+0x1fd/0x2d0
[ 1191.374979] Swap cache stats: add 0, delete 0, find 0/0
[ 1191.374989] Free swap  = 0kB
[ 1191.390008]  ____cache_alloc_node+0x1be/0x1e0
[ 1191.395841] Total swap = 0kB
[ 1191.395852] 1965979 pages RAM
[ 1191.399923]  kmem_cache_alloc+0x1f3/0x700
[ 1191.404858] 0 pages HighMem/MovableOnly
[ 1191.404866] 341741 pages reserved
[ 1191.408326]  ? mark_held_locks+0xb1/0x100
[ 1191.412455] 0 pages cma reserved
[ 1191.417984]  ? __netdev_alloc_skb+0x370/0x470
[ 1191.421497] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1191.426214]  __build_skb+0x3e/0x310
[ 1191.429575] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1191.433541]  __netdev_alloc_skb+0x2ba/0x470
[ 1191.483319]  send_hsr_supervision_frame+0x110/0xfc0
[ 1191.488942]  ? lock_acquire+0x16f/0x3f0
[ 1191.493068]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1191.498276]  hsr_announce+0x12f/0x3b0
[ 1191.502084]  call_timer_fn+0x18d/0x720
[ 1191.506234]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1191.511448]  ? process_timeout+0x40/0x40
[ 1191.515514]  ? run_timer_softirq+0x644/0x16a0
[ 1191.520025]  ? trace_hardirqs_on+0x67/0x220
[ 1191.524369]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1191.529582]  run_timer_softirq+0x64f/0x16a0
[ 1191.535089]  ? add_timer+0xbe0/0xbe0
[ 1191.539088]  ? __lock_is_held+0xb6/0x140
[ 1191.543173]  __do_softirq+0x25c/0x921
[ 1191.547183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1191.553947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1191.559522]  irq_exit+0x180/0x1d0
[ 1191.563018]  smp_apic_timer_interrupt+0x13b/0x550
[ 1191.568155]  apic_timer_interrupt+0xf/0x20
[ 1191.572384]  </IRQ>
[ 1191.575691] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1191.580534] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1191.599633] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1191.607466] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1191.614753] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1191.622042] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1191.629307] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1191.636679] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1191.644913]  ? netconsole_netdev_event+0x280/0x280
[ 1191.649844]  ? console_unlock+0xf36/0x10d0
[ 1191.654194]  vprintk_emit+0x280/0x6d0
[ 1191.657996]  vprintk_default+0x28/0x30
[ 1191.661897]  vprintk_func+0x7e/0x189
[ 1191.665638]  printk+0xba/0xed
[ 1191.668828]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1191.673601]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1191.680317]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1191.685616]  dump_header+0x44b/0xa55
[ 1191.689346]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1191.694470]  ? ___ratelimit+0x60/0x595
[ 1191.698373]  ? do_raw_spin_unlock+0x181/0x270
[ 1191.702960]  oom_kill_process.cold+0x10/0x6ef
[ 1191.707480]  ? lock_downgrade+0x880/0x880
[ 1191.711822]  ? kasan_check_read+0x11/0x20
[ 1191.715990]  out_of_memory+0x362/0x1330
[ 1191.719979]  ? oom_killer_disable+0x280/0x280
[ 1191.724481]  ? mutex_trylock+0x18e/0x1e0
[ 1191.728565]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1191.733538]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1191.738528]  ? warn_alloc+0x110/0x110
[ 1191.742359]  ? __lock_is_held+0xb6/0x140
[ 1191.747033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1191.752682]  ? should_fail+0x14d/0x85c
[ 1191.756781]  ? __might_sleep+0x95/0x190
[ 1191.761121]  __alloc_pages_nodemask+0x617/0x750
[ 1191.765786]  ? kasan_check_read+0x11/0x20
[ 1191.769958]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1191.775109]  ? find_get_entry+0x3e1/0xa00
[ 1191.779538]  ? find_get_pages_contig+0xed0/0xed0
[ 1191.784394]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1191.789949]  alloc_pages_current+0x107/0x210
[ 1191.794374]  __page_cache_alloc+0x2bd/0x450
[ 1191.798706]  ? kasan_check_read+0x11/0x20
[ 1191.802867]  filemap_fault+0xfeb/0x1f00
[ 1191.806836]  ? lock_downgrade+0x880/0x880
[ 1191.811091]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1191.815774]  ? lock_acquire+0x16f/0x3f0
[ 1191.819775]  ? ext4_filemap_fault+0x7b/0xaf
[ 1191.824099]  ext4_filemap_fault+0x83/0xaf
[ 1191.828242]  __do_fault+0x111/0x480
[ 1191.831865]  __handle_mm_fault+0x2d78/0x3f80
[ 1191.836415]  ? copy_page_range+0x2030/0x2030
[ 1191.841378]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1191.846067]  handle_mm_fault+0x1b5/0x690
[ 1191.850147]  __do_page_fault+0x62a/0xe90
[ 1191.854210]  ? vmalloc_fault+0x740/0x740
[ 1191.858357]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1191.863383]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1191.868398]  ? page_fault+0x8/0x30
[ 1191.871934]  do_page_fault+0x71/0x57d
[ 1191.875727]  ? page_fault+0x8/0x30
[ 1191.879260]  page_fault+0x1e/0x30
[ 1191.882719] RIP: 0033:0x45b153
[ 1191.885940] Code: Bad RIP value.
[ 1191.889483] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1191.894851] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1191.902198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1191.909472] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1191.916748] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1191.924013] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1191.931323] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1191.931485] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1191.944423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1191.944450] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1191.954748] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1191.964102] Call Trace:
[ 1191.978875]  <IRQ>
[ 1191.981043]  dump_stack+0x197/0x210
[ 1191.984691]  warn_alloc.cold+0x7b/0x173
[ 1191.988952]  ? zone_watermark_ok_safe+0x260/0x260
[ 1191.993816]  ? __cpuset_node_allowed+0x136/0x540
[ 1191.998589]  ? __isolate_free_page+0x4c0/0x4c0
[ 1192.003616]  ? wake_all_kswapds+0x14d/0x300
[ 1192.007943]  __alloc_pages_slowpath+0x2214/0x2870
[ 1192.012812]  ? warn_alloc+0x110/0x110
[ 1192.016628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1192.022176]  ? should_fail+0x14d/0x85c
[ 1192.026068]  ? __isolate_free_page+0x4c0/0x4c0
[ 1192.036172]  __alloc_pages_nodemask+0x617/0x750
[ 1192.040947]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1192.045973]  ? mark_held_locks+0x100/0x100
[ 1192.050208]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1192.055316]  page_frag_alloc+0x541/0x670
[ 1192.059381]  ? check_preemption_disabled+0x48/0x290
[ 1192.064406]  __netdev_alloc_skb+0x20a/0x470
[ 1192.068849]  send_hsr_supervision_frame+0x110/0xfc0
[ 1192.073884]  ? lock_acquire+0x16f/0x3f0
[ 1192.077871]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1192.082886]  hsr_announce+0x12f/0x3b0
[ 1192.086684]  call_timer_fn+0x18d/0x720
[ 1192.090570]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1192.095773]  ? process_timeout+0x40/0x40
[ 1192.099828]  ? run_timer_softirq+0x644/0x16a0
[ 1192.104372]  ? trace_hardirqs_on+0x67/0x220
[ 1192.108707]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1192.113905]  run_timer_softirq+0x64f/0x16a0
[ 1192.118248]  ? add_timer+0xbe0/0xbe0
[ 1192.122225]  ? __lock_is_held+0xb6/0x140
[ 1192.126298]  __do_softirq+0x25c/0x921
[ 1192.130099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1192.135775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1192.141340]  irq_exit+0x180/0x1d0
[ 1192.144813]  smp_apic_timer_interrupt+0x13b/0x550
[ 1192.149658]  apic_timer_interrupt+0xf/0x20
[ 1192.153897]  </IRQ>
[ 1192.156149] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1192.161075] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1192.180035] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1192.187754] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1192.195031] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1192.202305] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1192.209574] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1192.216856] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1192.224157]  ? find_held_lock+0x35/0x130
[ 1192.228233]  ? process_one_work+0x890/0x1750
[ 1192.232647]  skb_clone+0x156/0x3e0
[ 1192.236214]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1192.242548]  process_one_work+0x989/0x1750
[ 1192.246787]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1192.251488]  ? lock_acquire+0x16f/0x3f0
[ 1192.255470]  ? kasan_check_write+0x14/0x20
[ 1192.259828]  ? do_raw_spin_lock+0xd7/0x250
[ 1192.264068]  worker_thread+0x98/0xe40
[ 1192.267879]  ? trace_hardirqs_on+0x67/0x220
[ 1192.272209]  kthread+0x354/0x420
[ 1192.275569]  ? process_one_work+0x1750/0x1750
[ 1192.280068]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1192.285621]  ret_from_fork+0x24/0x30
[ 1192.289342] warn_alloc_show_mem: 1 callbacks suppressed
[ 1192.289352] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1192.289354] Mem-Info:
[ 1192.289383] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1192.289383]  active_file:13 inactive_file:13 isolated_file:0
[ 1192.289383]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1192.289383]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1192.289383]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1192.289383]  free:10948 free_pcp:188 free_cma:0
[ 1192.294733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1192.294746] Call Trace:
[ 1192.302326] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1192.304724]  <IRQ>
[ 1192.337707] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1192.347065]  dump_stack+0x197/0x210
[ 1192.349626] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1192.377351]  warn_alloc.cold+0x7b/0x173
[ 1192.379478] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1192.405344]  ? zone_watermark_ok_safe+0x260/0x260
[ 1192.408979] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1192.435132]  ? __cpuset_node_allowed+0x136/0x540
[ 1192.439100] lowmem_reserve[]: 0 0 1 1 1
[ 1192.444159]  ? __isolate_free_page+0x4c0/0x4c0
[ 1192.449033] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1192.477870]  ? wake_all_kswapds+0x14d/0x300
[ 1192.482609] lowmem_reserve[]: 0 0 0 0 0
[ 1192.486626]  __alloc_pages_slowpath+0x2214/0x2870
[ 1192.491193] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1192.516990]  ? warn_alloc+0x110/0x110
[ 1192.521285] lowmem_reserve[]: 0 0 0 0 0
[ 1192.525268]  ? __lock_acquire+0x6ee/0x49c0
[ 1192.530092] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1192.557986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1192.561774] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1192.565754]  ? should_fail+0x14d/0x85c
[ 1192.569967] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1192.582598]  ? __isolate_free_page+0x4c0/0x4c0
[ 1192.588112] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1192.603387]  __alloc_pages_nodemask+0x617/0x750
[ 1192.607251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1192.617904]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1192.622468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1192.638367]  ? find_held_lock+0x35/0x130
[ 1192.643039] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1192.651875]  cache_grow_begin+0x91/0x8c0
[ 1192.656867] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1192.665439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1192.669475] 279 total pagecache pages
[ 1192.678317]  ? __cpuset_node_allowed+0x136/0x540
[ 1192.682368] 0 pages in swap cache
[ 1192.690940]  fallback_alloc+0x1fd/0x2d0
[ 1192.696454] Swap cache stats: add 0, delete 0, find 0/0
[ 1192.700263]  ____cache_alloc_node+0x1be/0x1e0
[ 1192.705008] Free swap  = 0kB
[ 1192.708456]  kmem_cache_alloc+0x1f3/0x700
[ 1192.712405] Total swap = 0kB
[ 1192.717765]  ? mark_held_locks+0xb1/0x100
[ 1192.722237] 1965979 pages RAM
[ 1192.725241]  ? trace_hardirqs_on+0x67/0x220
[ 1192.725257]  ? __netdev_alloc_skb+0x370/0x470
[ 1192.729388] 0 pages HighMem/MovableOnly
[ 1192.729396] 341741 pages reserved
[ 1192.732408]  __build_skb+0x3e/0x310
[ 1192.736537] 0 pages cma reserved
[ 1192.739649]  __netdev_alloc_skb+0x2ba/0x470
[ 1192.744166] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1192.748458]  send_hsr_supervision_frame+0x110/0xfc0
[ 1192.752405] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1192.755874]  ? lock_acquire+0x16f/0x3f0
[ 1192.790439]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1192.795456]  hsr_announce+0x12f/0x3b0
[ 1192.799252]  call_timer_fn+0x18d/0x720
[ 1192.803131]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1192.808315]  ? process_timeout+0x40/0x40
[ 1192.812374]  ? run_timer_softirq+0x644/0x16a0
[ 1192.816925]  ? trace_hardirqs_on+0x67/0x220
[ 1192.821283]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1192.826486]  run_timer_softirq+0x64f/0x16a0
[ 1192.830813]  ? add_timer+0xbe0/0xbe0
[ 1192.834539]  ? __lock_is_held+0xb6/0x140
[ 1192.838627]  __do_softirq+0x25c/0x921
[ 1192.842429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1192.847965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1192.853514]  irq_exit+0x180/0x1d0
[ 1192.856968]  smp_apic_timer_interrupt+0x13b/0x550
[ 1192.861808]  apic_timer_interrupt+0xf/0x20
[ 1192.866031]  </IRQ>
[ 1192.868265] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1192.873102] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1192.891997] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1192.900593] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1192.907865] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1192.915166] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1192.922453] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1192.929729] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1192.937457]  ? netconsole_netdev_event+0x280/0x280
[ 1192.942386]  ? console_unlock+0xf36/0x10d0
[ 1192.946648]  vprintk_emit+0x280/0x6d0
[ 1192.950460]  vprintk_default+0x28/0x30
[ 1192.954379]  vprintk_func+0x7e/0x189
[ 1192.958200]  printk+0xba/0xed
[ 1192.961418]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1192.966176]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1192.970706]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1192.975754]  dump_header+0x44b/0xa55
[ 1192.979477]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1192.984594]  ? ___ratelimit+0x60/0x595
[ 1192.988481]  ? do_raw_spin_unlock+0x181/0x270
[ 1192.993327]  oom_kill_process.cold+0x10/0x6ef
[ 1192.997826]  ? lock_downgrade+0x880/0x880
[ 1193.001979]  ? kasan_check_read+0x11/0x20
[ 1193.006403]  out_of_memory+0x362/0x1330
[ 1193.010393]  ? oom_killer_disable+0x280/0x280
[ 1193.014887]  ? mutex_trylock+0x18e/0x1e0
[ 1193.019403]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1193.024335]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1193.029203]  ? warn_alloc+0x110/0x110
[ 1193.033025]  ? __lock_is_held+0xb6/0x140
[ 1193.037103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1193.043264]  ? should_fail+0x14d/0x85c
[ 1193.047161]  ? __might_sleep+0x95/0x190
[ 1193.051136]  __alloc_pages_nodemask+0x617/0x750
[ 1193.055803]  ? kasan_check_read+0x11/0x20
[ 1193.060978]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1193.066274]  ? find_get_entry+0x3e1/0xa00
[ 1193.070479]  ? find_get_pages_contig+0xed0/0xed0
[ 1193.075439]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1193.081255]  alloc_pages_current+0x107/0x210
[ 1193.085677]  __page_cache_alloc+0x2bd/0x450
[ 1193.090116]  ? kasan_check_read+0x11/0x20
[ 1193.094280]  filemap_fault+0xfeb/0x1f00
[ 1193.098264]  ? lock_downgrade+0x880/0x880
[ 1193.102416]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1193.107093]  ? lock_acquire+0x16f/0x3f0
[ 1193.111082]  ? ext4_filemap_fault+0x7b/0xaf
[ 1193.115408]  ext4_filemap_fault+0x83/0xaf
[ 1193.119566]  __do_fault+0x111/0x480
[ 1193.123193]  __handle_mm_fault+0x2d78/0x3f80
[ 1193.127627]  ? copy_page_range+0x2030/0x2030
[ 1193.132054]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1193.136736]  handle_mm_fault+0x1b5/0x690
[ 1193.142917]  __do_page_fault+0x62a/0xe90
[ 1193.147001]  ? vmalloc_fault+0x740/0x740
[ 1193.151143]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1193.156159]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1193.161104]  ? page_fault+0x8/0x30
[ 1193.164731]  do_page_fault+0x71/0x57d
[ 1193.168781]  ? page_fault+0x8/0x30
[ 1193.172350]  page_fault+0x1e/0x30
[ 1193.175876] RIP: 0033:0x45b153
[ 1193.179096] Code: Bad RIP value.
[ 1193.182482] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1193.188709] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1193.195990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1193.203266] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1193.210531] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1193.217795] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1193.225117] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1193.225333] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1193.232898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1193.232931] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1193.243375] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1193.252733] Call Trace:
[ 1193.252749]  <IRQ>
[ 1193.270197]  dump_stack+0x197/0x210
[ 1193.273845]  warn_alloc.cold+0x7b/0x173
[ 1193.277829]  ? zone_watermark_ok_safe+0x260/0x260
[ 1193.282687]  ? __cpuset_node_allowed+0x136/0x540
[ 1193.287505]  ? __isolate_free_page+0x4c0/0x4c0
[ 1193.292097]  ? wake_all_kswapds+0x14d/0x300
[ 1193.296422]  __alloc_pages_slowpath+0x2214/0x2870
[ 1193.301292]  ? warn_alloc+0x110/0x110
[ 1193.305107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1193.310650]  ? should_fail+0x14d/0x85c
[ 1193.314552]  ? __isolate_free_page+0x4c0/0x4c0
[ 1193.319142]  __alloc_pages_nodemask+0x617/0x750
[ 1193.323814]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1193.328937]  ? mark_held_locks+0x100/0x100
[ 1193.333165]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1193.339588]  page_frag_alloc+0x541/0x670
[ 1193.343667]  ? check_preemption_disabled+0x48/0x290
[ 1193.348812]  __netdev_alloc_skb+0x20a/0x470
[ 1193.353141]  send_hsr_supervision_frame+0x110/0xfc0
[ 1193.358166]  ? lock_acquire+0x16f/0x3f0
[ 1193.362242]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1193.367284]  hsr_announce+0x12f/0x3b0
[ 1193.371112]  call_timer_fn+0x18d/0x720
[ 1193.375013]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1193.380228]  ? process_timeout+0x40/0x40
[ 1193.384283]  ? run_timer_softirq+0x644/0x16a0
[ 1193.388790]  ? trace_hardirqs_on+0x67/0x220
[ 1193.393117]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1193.398314]  run_timer_softirq+0x64f/0x16a0
[ 1193.402641]  ? add_timer+0xbe0/0xbe0
[ 1193.406363]  ? __lock_is_held+0xb6/0x140
[ 1193.410442]  __do_softirq+0x25c/0x921
[ 1193.414241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1193.420408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1193.425953]  irq_exit+0x180/0x1d0
[ 1193.429405]  smp_apic_timer_interrupt+0x13b/0x550
[ 1193.434281]  apic_timer_interrupt+0xf/0x20
[ 1193.438603]  </IRQ>
[ 1193.440837] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1193.445767] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1193.464806] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1193.472709] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1193.480187] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1193.487466] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1193.494755] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1193.502054] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1193.509460]  ? find_held_lock+0x35/0x130
[ 1193.513637]  ? process_one_work+0x890/0x1750
[ 1193.518055]  skb_clone+0x156/0x3e0
[ 1193.521611]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1193.527955]  process_one_work+0x989/0x1750
[ 1193.532196]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1193.536863]  ? lock_acquire+0x16f/0x3f0
[ 1193.540840]  ? kasan_check_write+0x14/0x20
[ 1193.545113]  ? do_raw_spin_lock+0xd7/0x250
[ 1193.549362]  worker_thread+0x98/0xe40
[ 1193.553177]  ? trace_hardirqs_on+0x67/0x220
[ 1193.557781]  kthread+0x354/0x420
[ 1193.561147]  ? process_one_work+0x1750/0x1750
[ 1193.565900]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1193.573104]  ret_from_fork+0x24/0x30
[ 1193.577615] warn_alloc_show_mem: 1 callbacks suppressed
[ 1193.577625] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1193.577627] Mem-Info:
[ 1193.577658] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1193.577658]  active_file:13 inactive_file:13 isolated_file:0
[ 1193.577658]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1193.577658]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1193.577658]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1193.577658]  free:10948 free_pcp:188 free_cma:0
[ 1193.583023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1193.590480] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1193.592906] Call Trace:
[ 1193.625889] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1193.635228]  <IRQ>
[ 1193.662836] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1193.665440]  dump_stack+0x197/0x210
[ 1193.691275] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1193.693461]  warn_alloc.cold+0x7b/0x173
[ 1193.719561] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1193.723201]  ? zone_watermark_ok_safe+0x260/0x260
[ 1193.728192] lowmem_reserve[]: 0 0 1 1 1
[ 1193.732567]  ? __cpuset_node_allowed+0x136/0x540
[ 1193.761373] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1193.766270]  ? __isolate_free_page+0x4c0/0x4c0
[ 1193.770301] lowmem_reserve[]: 0 0 0 0 0
[ 1193.775089]  ? wake_all_kswapds+0x14d/0x300
[ 1193.800944] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1193.805564]  __alloc_pages_slowpath+0x2214/0x2870
[ 1193.809516] lowmem_reserve[]: 0 0 0 0 0
[ 1193.813882]  ? warn_alloc+0x110/0x110
[ 1193.841769] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1193.846730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1193.850772] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1193.854588]  ? should_fail+0x14d/0x85c
[ 1193.867062] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1193.872635]  ? __isolate_free_page+0x4c0/0x4c0
[ 1193.887887] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1193.891819]  __alloc_pages_nodemask+0x617/0x750
[ 1193.902573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1193.907182]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1193.922968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1193.922983] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1193.927668]  cache_grow_begin+0x91/0x8c0
[ 1193.936664] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1193.936674] 279 total pagecache pages
[ 1193.941739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1193.950433] 0 pages in swap cache
[ 1193.959290]  ? __cpuset_node_allowed+0x136/0x540
[ 1193.963514] Swap cache stats: add 0, delete 0, find 0/0
[ 1193.963523] Free swap  = 0kB
[ 1193.972137]  fallback_alloc+0x1fd/0x2d0
[ 1193.975927] Total swap = 0kB
[ 1193.981473]  ____cache_alloc_node+0x1be/0x1e0
[ 1193.984911] 1965979 pages RAM
[ 1193.989686]  kmem_cache_alloc_node+0xe3/0x710
[ 1193.995028] 0 pages HighMem/MovableOnly
[ 1193.995038] 341741 pages reserved
[ 1193.998097]  ? trace_hardirqs_off+0x62/0x220
[ 1194.002044] 0 pages cma reserved
[ 1194.005071]  __alloc_skb+0xd5/0x5f0
[ 1194.009803] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1194.012665]  ? skb_trim+0x190/0x190
[ 1194.017153] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1194.021128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1194.060172]  ? check_preemption_disabled+0x48/0x290
[ 1194.065187]  ? lock_acquire+0x16f/0x3f0
[ 1194.069365]  new_skb+0x28/0x1d0
[ 1194.072664]  aoecmd_cfg+0x1b5/0x640
[ 1194.076414]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1194.080754]  ? timer_reduce+0x11d0/0x11d0
[ 1194.084922]  discover_timer+0x4e/0x60
[ 1194.088717]  call_timer_fn+0x18d/0x720
[ 1194.092609]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1194.097406]  ? process_timeout+0x40/0x40
[ 1194.101478]  ? run_timer_softirq+0x644/0x16a0
[ 1194.105991]  ? trace_hardirqs_on+0x67/0x220
[ 1194.110349]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1194.115604]  run_timer_softirq+0x64f/0x16a0
[ 1194.119948]  ? add_timer+0xbe0/0xbe0
[ 1194.123681]  ? __lock_is_held+0xb6/0x140
[ 1194.127858]  __do_softirq+0x25c/0x921
[ 1194.131661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1194.137220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1194.142791]  irq_exit+0x180/0x1d0
[ 1194.146251]  smp_apic_timer_interrupt+0x13b/0x550
[ 1194.151105]  apic_timer_interrupt+0xf/0x20
[ 1194.155336]  </IRQ>
[ 1194.157581] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1194.162442] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1194.181350] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1194.189054] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1194.196354] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1194.203645] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1194.210946] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1194.218217] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1194.225895]  ? netconsole_netdev_event+0x280/0x280
[ 1194.230828]  ? console_unlock+0xf36/0x10d0
[ 1194.235098]  vprintk_emit+0x280/0x6d0
[ 1194.238926]  vprintk_default+0x28/0x30
[ 1194.242854]  vprintk_func+0x7e/0x189
[ 1194.246583]  printk+0xba/0xed
[ 1194.249694]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1194.254472]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1194.259133]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1194.264163]  dump_header+0x44b/0xa55
[ 1194.267886]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1194.273001]  ? ___ratelimit+0x60/0x595
[ 1194.276893]  ? do_raw_spin_unlock+0x181/0x270
[ 1194.281408]  oom_kill_process.cold+0x10/0x6ef
[ 1194.286038]  ? lock_downgrade+0x880/0x880
[ 1194.290197]  ? kasan_check_read+0x11/0x20
[ 1194.294541]  out_of_memory+0x362/0x1330
[ 1194.298619]  ? oom_killer_disable+0x280/0x280
[ 1194.303131]  ? mutex_trylock+0x18e/0x1e0
[ 1194.307208]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1194.313896]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1194.318751]  ? warn_alloc+0x110/0x110
[ 1194.322659]  ? __lock_is_held+0xb6/0x140
[ 1194.326724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1194.332271]  ? should_fail+0x14d/0x85c
[ 1194.336161]  ? __might_sleep+0x95/0x190
[ 1194.340146]  __alloc_pages_nodemask+0x617/0x750
[ 1194.344813]  ? kasan_check_read+0x11/0x20
[ 1194.348972]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1194.354050]  ? find_get_entry+0x3e1/0xa00
[ 1194.358332]  ? find_get_pages_contig+0xed0/0xed0
[ 1194.363105]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1194.368660]  alloc_pages_current+0x107/0x210
[ 1194.373096]  __page_cache_alloc+0x2bd/0x450
[ 1194.377521]  ? kasan_check_read+0x11/0x20
[ 1194.382045]  filemap_fault+0xfeb/0x1f00
[ 1194.386122]  ? lock_downgrade+0x880/0x880
[ 1194.390283]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1194.394957]  ? lock_acquire+0x16f/0x3f0
[ 1194.398971]  ? ext4_filemap_fault+0x7b/0xaf
[ 1194.403311]  ext4_filemap_fault+0x83/0xaf
[ 1194.407465]  __do_fault+0x111/0x480
[ 1194.411090]  __handle_mm_fault+0x2d78/0x3f80
[ 1194.415520]  ? copy_page_range+0x2030/0x2030
[ 1194.419946]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1194.424619]  handle_mm_fault+0x1b5/0x690
[ 1194.428702]  __do_page_fault+0x62a/0xe90
[ 1194.432784]  ? vmalloc_fault+0x740/0x740
[ 1194.436960]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1194.441986]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1194.446961]  ? page_fault+0x8/0x30
[ 1194.450522]  do_page_fault+0x71/0x57d
[ 1194.454339]  ? page_fault+0x8/0x30
[ 1194.457881]  page_fault+0x1e/0x30
[ 1194.461363] RIP: 0033:0x45b153
[ 1194.464563] Code: Bad RIP value.
[ 1194.467929] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1194.473424] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1194.480709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1194.488003] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1194.495280] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1194.502555] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1194.509845] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1194.509902] aoe: skb alloc failure
[ 1194.517586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1194.517613] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1194.517619] Call Trace:
[ 1194.517626]  <IRQ>
[ 1194.517644]  dump_stack+0x197/0x210
[ 1194.517665]  warn_alloc.cold+0x7b/0x173
[ 1194.521227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1194.530599]  ? zone_watermark_ok_safe+0x260/0x260
[ 1194.538047] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1194.540636]  ? __cpuset_node_allowed+0x136/0x540
[ 1194.575064]  ? __isolate_free_page+0x4c0/0x4c0
[ 1194.579777]  ? wake_all_kswapds+0x14d/0x300
[ 1194.584102]  __alloc_pages_slowpath+0x2214/0x2870
[ 1194.588981]  ? warn_alloc+0x110/0x110
[ 1194.592781]  ? lock_downgrade+0x880/0x880
[ 1194.596930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1194.602486]  ? should_fail+0x14d/0x85c
[ 1194.606404]  ? __isolate_free_page+0x4c0/0x4c0
[ 1194.611003]  __alloc_pages_nodemask+0x617/0x750
[ 1194.616340]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1194.621563]  ? mark_held_locks+0x100/0x100
[ 1194.625807]  ? mod_timer+0x576/0x1030
[ 1194.629625]  page_frag_alloc+0x541/0x670
[ 1194.633684]  ? check_preemption_disabled+0x48/0x290
[ 1194.638740]  __netdev_alloc_skb+0x20a/0x470
[ 1194.643109]  send_hsr_supervision_frame+0x110/0xfc0
[ 1194.648237]  ? lock_acquire+0x16f/0x3f0
[ 1194.652411]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1194.657606]  hsr_announce+0x12f/0x3b0
[ 1194.661527]  call_timer_fn+0x18d/0x720
[ 1194.666979]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1194.672170]  ? process_timeout+0x40/0x40
[ 1194.676562]  ? run_timer_softirq+0x644/0x16a0
[ 1194.681081]  ? trace_hardirqs_on+0x67/0x220
[ 1194.685414]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1194.690604]  run_timer_softirq+0x64f/0x16a0
[ 1194.694951]  ? add_timer+0xbe0/0xbe0
[ 1194.698779]  ? __lock_is_held+0xb6/0x140
[ 1194.702885]  __do_softirq+0x25c/0x921
[ 1194.706683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1194.712232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1194.718566]  irq_exit+0x180/0x1d0
[ 1194.722024]  smp_apic_timer_interrupt+0x13b/0x550
[ 1194.726876]  apic_timer_interrupt+0xf/0x20
[ 1194.731217]  </IRQ>
[ 1194.733529] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1194.738468] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1194.760182] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1194.767910] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1194.775316] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1194.782616] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1194.789897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1194.797160] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1194.804451]  ? find_held_lock+0x35/0x130
[ 1194.808524]  ? process_one_work+0x890/0x1750
[ 1194.812936]  skb_clone+0x156/0x3e0
[ 1194.816478]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1194.822812]  process_one_work+0x989/0x1750
[ 1194.827064]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1194.831730]  ? lock_acquire+0x16f/0x3f0
[ 1194.835824]  ? kasan_check_write+0x14/0x20
[ 1194.840060]  ? do_raw_spin_lock+0xd7/0x250
[ 1194.844316]  worker_thread+0x98/0xe40
[ 1194.848136]  ? trace_hardirqs_on+0x67/0x220
[ 1194.852483]  kthread+0x354/0x420
[ 1194.855863]  ? process_one_work+0x1750/0x1750
[ 1194.860355]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1194.865902]  ret_from_fork+0x24/0x30
[ 1194.869625] warn_alloc_show_mem: 1 callbacks suppressed
[ 1194.869634] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1194.869636] Mem-Info:
[ 1194.869666] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1194.869666]  active_file:13 inactive_file:13 isolated_file:0
[ 1194.869666]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1194.869666]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1194.869666]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1194.869666]  free:10948 free_pcp:188 free_cma:0
[ 1194.875022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1194.875032] Call Trace:
[ 1194.882488] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1194.885011]  <IRQ>
[ 1194.885051]  dump_stack+0x197/0x210
[ 1194.918101] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1194.927455]  warn_alloc.cold+0x7b/0x173
[ 1194.930010] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1194.957626]  ? zone_watermark_ok_safe+0x260/0x260
[ 1194.959750] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1194.963392]  ? __cpuset_node_allowed+0x136/0x540
[ 1194.989223] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1194.993228]  ? __isolate_free_page+0x4c0/0x4c0
[ 1195.019288] lowmem_reserve[]: 0 0 1 1 1
[ 1195.024258]  ? wake_all_kswapds+0x14d/0x300
[ 1195.029257] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1195.034040]  __alloc_pages_slowpath+0x2214/0x2870
[ 1195.062826] lowmem_reserve[]: 0 0 0 0 0
[ 1195.067458]  ? warn_alloc+0x110/0x110
[ 1195.071397] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1195.075743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1195.101488] lowmem_reserve[]: 0 0 0 0 0
[ 1195.106349]  ? should_fail+0x14d/0x85c
[ 1195.110299] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1195.114110]  ? __isolate_free_page+0x4c0/0x4c0
[ 1195.141856] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1195.147431]  __alloc_pages_nodemask+0x617/0x750
[ 1195.151392] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1195.155295]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1195.167846] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1195.172463]  cache_grow_begin+0x91/0x8c0
[ 1195.187887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1195.192565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1195.203220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1195.208253]  ? __cpuset_node_allowed+0x136/0x540
[ 1195.224166] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1195.228257]  fallback_alloc+0x1fd/0x2d0
[ 1195.237081] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1195.237091] 279 total pagecache pages
[ 1195.242646]  ____cache_alloc_node+0x1be/0x1e0
[ 1195.251222] 0 pages in swap cache
[ 1195.255987]  kmem_cache_alloc_node+0xe3/0x710
[ 1195.264811] Swap cache stats: add 0, delete 0, find 0/0
[ 1195.264821] Free swap  = 0kB
[ 1195.268831]  __alloc_skb+0xd5/0x5f0
[ 1195.277390] Total swap = 0kB
[ 1195.281214]  ? skb_trim+0x190/0x190
[ 1195.285723] 1965979 pages RAM
[ 1195.289194]  ? check_preemption_disabled+0x48/0x290
[ 1195.293655] 0 pages HighMem/MovableOnly
[ 1195.299124]  ? lock_acquire+0x16f/0x3f0
[ 1195.302117] 341741 pages reserved
[ 1195.302126] 0 pages cma reserved
[ 1195.305804]  new_skb+0x28/0x1d0
[ 1195.308999] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1195.312427]  aoecmd_cfg+0x1b5/0x640
[ 1195.315549] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1195.320591]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1195.360980]  ? timer_reduce+0x11d0/0x11d0
[ 1195.365161]  discover_timer+0x4e/0x60
[ 1195.368982]  call_timer_fn+0x18d/0x720
[ 1195.372880]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1195.377544]  ? process_timeout+0x40/0x40
[ 1195.381609]  ? run_timer_softirq+0x644/0x16a0
[ 1195.386115]  ? trace_hardirqs_on+0x67/0x220
[ 1195.390446]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1195.395116]  run_timer_softirq+0x64f/0x16a0
[ 1195.399441]  ? add_timer+0xbe0/0xbe0
[ 1195.403155]  ? __lock_is_held+0xb6/0x140
[ 1195.407244]  __do_softirq+0x25c/0x921
[ 1195.411050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1195.417252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1195.422798]  irq_exit+0x180/0x1d0
[ 1195.426247]  smp_apic_timer_interrupt+0x13b/0x550
[ 1195.431110]  apic_timer_interrupt+0xf/0x20
[ 1195.435333]  </IRQ>
[ 1195.437576] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1195.442434] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1195.461353] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1195.469168] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1195.476443] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1195.483801] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1195.491072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1195.498352] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1195.505644]  ? netconsole_netdev_event+0x280/0x280
[ 1195.510690]  ? console_unlock+0xf36/0x10d0
[ 1195.514948]  vprintk_emit+0x280/0x6d0
[ 1195.518998]  vprintk_default+0x28/0x30
[ 1195.522878]  vprintk_func+0x7e/0x189
[ 1195.526697]  printk+0xba/0xed
[ 1195.529827]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1195.534596]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1195.539108]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1195.544133]  dump_header+0x44b/0xa55
[ 1195.547858]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1195.552977]  ? ___ratelimit+0x60/0x595
[ 1195.556863]  ? do_raw_spin_unlock+0x181/0x270
[ 1195.561371]  oom_kill_process.cold+0x10/0x6ef
[ 1195.565877]  ? lock_downgrade+0x880/0x880
[ 1195.570110]  ? kasan_check_read+0x11/0x20
[ 1195.574270]  out_of_memory+0x362/0x1330
[ 1195.578260]  ? oom_killer_disable+0x280/0x280
[ 1195.582765]  ? mutex_trylock+0x18e/0x1e0
[ 1195.586831]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1195.592019]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1195.596869]  ? warn_alloc+0x110/0x110
[ 1195.600666]  ? __lock_is_held+0xb6/0x140
[ 1195.604733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1195.610277]  ? should_fail+0x14d/0x85c
[ 1195.614298]  ? __might_sleep+0x95/0x190
[ 1195.618287]  __alloc_pages_nodemask+0x617/0x750
[ 1195.622983]  ? kasan_check_read+0x11/0x20
[ 1195.627139]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1195.632157]  ? find_get_entry+0x3e1/0xa00
[ 1195.636336]  ? find_get_pages_contig+0xed0/0xed0
[ 1195.641090]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1195.646642]  alloc_pages_current+0x107/0x210
[ 1195.651071]  __page_cache_alloc+0x2bd/0x450
[ 1195.655394]  ? kasan_check_read+0x11/0x20
[ 1195.659554]  filemap_fault+0xfeb/0x1f00
[ 1195.663544]  ? lock_downgrade+0x880/0x880
[ 1195.667701]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1195.672390]  ? lock_acquire+0x16f/0x3f0
[ 1195.676361]  ? ext4_filemap_fault+0x7b/0xaf
[ 1195.680792]  ext4_filemap_fault+0x83/0xaf
[ 1195.684943]  __do_fault+0x111/0x480
[ 1195.688578]  __handle_mm_fault+0x2d78/0x3f80
[ 1195.692996]  ? copy_page_range+0x2030/0x2030
[ 1195.697429]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1195.702119]  handle_mm_fault+0x1b5/0x690
[ 1195.706182]  __do_page_fault+0x62a/0xe90
[ 1195.710256]  ? vmalloc_fault+0x740/0x740
[ 1195.714692]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1195.719704]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1195.724628]  ? page_fault+0x8/0x30
[ 1195.728180]  do_page_fault+0x71/0x57d
[ 1195.731978]  ? page_fault+0x8/0x30
[ 1195.735527]  page_fault+0x1e/0x30
[ 1195.738973] RIP: 0033:0x45b153
[ 1195.742171] Code: Bad RIP value.
[ 1195.745523] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1195.750887] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1195.758260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1195.765632] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1195.772901] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1195.780173] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1195.787631] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1195.787689] aoe: skb alloc failure
[ 1195.795345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1195.795448] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1195.799030] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1195.808366] Call Trace:
[ 1195.815459] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1195.825734]  <IRQ>
[ 1195.835651]  dump_stack+0x197/0x210
[ 1195.839300]  warn_alloc.cold+0x7b/0x173
[ 1195.843290]  ? zone_watermark_ok_safe+0x260/0x260
[ 1195.848157]  ? __cpuset_node_allowed+0x136/0x540
[ 1195.852938]  ? __isolate_free_page+0x4c0/0x4c0
[ 1195.857518]  ? wake_all_kswapds+0x14d/0x300
[ 1195.861896]  __alloc_pages_slowpath+0x2214/0x2870
[ 1195.866757]  ? warn_alloc+0x110/0x110
[ 1195.870582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1195.876149]  ? should_fail+0x14d/0x85c
[ 1195.880054]  ? __isolate_free_page+0x4c0/0x4c0
[ 1195.884652]  __alloc_pages_nodemask+0x617/0x750
[ 1195.889361]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1195.894400]  ? mark_held_locks+0x100/0x100
[ 1195.898641]  ? trace_hardirqs_on+0x67/0x220
[ 1195.902974]  page_frag_alloc+0x541/0x670
[ 1195.907040]  ? check_preemption_disabled+0x48/0x290
[ 1195.912065]  __netdev_alloc_skb+0x20a/0x470
[ 1195.916400]  send_hsr_supervision_frame+0x110/0xfc0
[ 1195.921420]  ? lock_acquire+0x16f/0x3f0
[ 1195.925399]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1195.930420]  hsr_announce+0x12f/0x3b0
[ 1195.934245]  call_timer_fn+0x18d/0x720
[ 1195.938135]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1195.943342]  ? process_timeout+0x40/0x40
[ 1195.947421]  ? run_timer_softirq+0x644/0x16a0
[ 1195.951923]  ? trace_hardirqs_on+0x67/0x220
[ 1195.956258]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1195.961461]  run_timer_softirq+0x64f/0x16a0
[ 1195.965786]  ? add_timer+0xbe0/0xbe0
[ 1195.969496]  ? __lock_is_held+0xb6/0x140
[ 1195.973576]  __do_softirq+0x25c/0x921
[ 1195.977370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1195.982909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1195.988483]  irq_exit+0x180/0x1d0
[ 1195.991952]  smp_apic_timer_interrupt+0x13b/0x550
[ 1195.996794]  apic_timer_interrupt+0xf/0x20
[ 1196.001028]  </IRQ>
[ 1196.003261] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1196.008198] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1196.027637] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1196.035352] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1196.042626] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1196.049905] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1196.057168] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1196.064440] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1196.071742]  ? find_held_lock+0x35/0x130
[ 1196.075800]  ? process_one_work+0x890/0x1750
[ 1196.080204]  skb_clone+0x156/0x3e0
[ 1196.083787]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1196.090139]  process_one_work+0x989/0x1750
[ 1196.094397]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1196.099058]  ? lock_acquire+0x16f/0x3f0
[ 1196.103043]  ? kasan_check_write+0x14/0x20
[ 1196.107304]  ? do_raw_spin_lock+0xd7/0x250
[ 1196.111558]  worker_thread+0x98/0xe40
[ 1196.115369]  ? trace_hardirqs_on+0x67/0x220
[ 1196.119707]  kthread+0x354/0x420
[ 1196.123067]  ? process_one_work+0x1750/0x1750
[ 1196.127580]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1196.133141]  ret_from_fork+0x24/0x30
[ 1196.136861] warn_alloc_show_mem: 1 callbacks suppressed
[ 1196.136871] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1196.136873] Mem-Info:
[ 1196.136903] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1196.136903]  active_file:13 inactive_file:13 isolated_file:0
[ 1196.136903]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1196.136903]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1196.136903]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1196.136903]  free:10948 free_pcp:188 free_cma:0
[ 1196.142355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1196.149820] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1196.149847] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1196.152301] Call Trace:
[ 1196.185274] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1196.194649]  <IRQ>
[ 1196.222389] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1196.248263]  dump_stack+0x197/0x210
[ 1196.250836] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1196.277078]  warn_alloc.cold+0x7b/0x173
[ 1196.279201] lowmem_reserve[]: 0 0 1 1 1
[ 1196.284222]  ? zone_watermark_ok_safe+0x260/0x260
[ 1196.287822] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1196.316640]  ? __cpuset_node_allowed+0x136/0x540
[ 1196.320589] lowmem_reserve[]: 0 0 0 0 0
[ 1196.324564]  ? __isolate_free_page+0x4c0/0x4c0
[ 1196.329391] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1196.355429]  ? wake_all_kswapds+0x14d/0x300
[ 1196.360163] lowmem_reserve[]: 0 0 0 0 0
[ 1196.364177]  __alloc_pages_slowpath+0x2214/0x2870
[ 1196.368737] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1196.396645]  ? warn_alloc+0x110/0x110
[ 1196.401241] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1196.405227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1196.410075] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1196.422575]  ? should_fail+0x14d/0x85c
[ 1196.426380] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1196.441668]  ? __isolate_free_page+0x4c0/0x4c0
[ 1196.447312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1196.458007]  __alloc_pages_nodemask+0x617/0x750
[ 1196.461882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1196.461898] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1196.477909]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1196.482477] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1196.482487] 279 total pagecache pages
[ 1196.491346]  cache_grow_begin+0x91/0x8c0
[ 1196.496158] 0 pages in swap cache
[ 1196.504740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1196.513673] Swap cache stats: add 0, delete 0, find 0/0
[ 1196.513683] Free swap  = 0kB
[ 1196.518744]  ? __cpuset_node_allowed+0x136/0x540
[ 1196.527294] Total swap = 0kB
[ 1196.527305] 1965979 pages RAM
[ 1196.531142]  fallback_alloc+0x1fd/0x2d0
[ 1196.535192] 0 pages HighMem/MovableOnly
[ 1196.538655]  ____cache_alloc_node+0x1be/0x1e0
[ 1196.544164] 341741 pages reserved
[ 1196.549553]  kmem_cache_alloc_node+0xe3/0x710
[ 1196.552548] 0 pages cma reserved
[ 1196.557317]  __alloc_skb+0xd5/0x5f0
[ 1196.560535] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1196.563434]  ? skb_trim+0x190/0x190
[ 1196.567377] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1196.571355]  ? check_preemption_disabled+0x48/0x290
[ 1196.613794]  ? lock_acquire+0x16f/0x3f0
[ 1196.617776]  new_skb+0x28/0x1d0
[ 1196.621486]  aoecmd_cfg+0x1b5/0x640
[ 1196.625128]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1196.629466]  ? timer_reduce+0x11d0/0x11d0
[ 1196.633637]  discover_timer+0x4e/0x60
[ 1196.637439]  call_timer_fn+0x18d/0x720
[ 1196.641334]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1196.646005]  ? process_timeout+0x40/0x40
[ 1196.650059]  ? run_timer_softirq+0x644/0x16a0
[ 1196.654566]  ? trace_hardirqs_on+0x67/0x220
[ 1196.658902]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1196.663568]  run_timer_softirq+0x64f/0x16a0
[ 1196.667887]  ? add_timer+0xbe0/0xbe0
[ 1196.671610]  ? __lock_is_held+0xb6/0x140
[ 1196.675680]  __do_softirq+0x25c/0x921
[ 1196.679477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1196.685025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1196.690585]  irq_exit+0x180/0x1d0
[ 1196.694066]  smp_apic_timer_interrupt+0x13b/0x550
[ 1196.698955]  apic_timer_interrupt+0xf/0x20
[ 1196.703191]  </IRQ>
[ 1196.705434] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1196.710282] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1196.729190] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1196.737025] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1196.744324] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1196.751614] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1196.758887] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1196.766149] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1196.773439]  ? netconsole_netdev_event+0x280/0x280
[ 1196.778386]  ? console_unlock+0xf36/0x10d0
[ 1196.782643]  vprintk_emit+0x280/0x6d0
[ 1196.786446]  vprintk_default+0x28/0x30
[ 1196.790343]  vprintk_func+0x7e/0x189
[ 1196.794054]  printk+0xba/0xed
[ 1196.797166]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1196.801939]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1196.806455]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1196.811494]  dump_header+0x44b/0xa55
[ 1196.815753]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1196.820848]  ? ___ratelimit+0x60/0x595
[ 1196.824729]  ? do_raw_spin_unlock+0x181/0x270
[ 1196.829240]  oom_kill_process.cold+0x10/0x6ef
[ 1196.833755]  ? lock_downgrade+0x880/0x880
[ 1196.837909]  ? kasan_check_read+0x11/0x20
[ 1196.842059]  out_of_memory+0x362/0x1330
[ 1196.846048]  ? oom_killer_disable+0x280/0x280
[ 1196.850546]  ? mutex_trylock+0x18e/0x1e0
[ 1196.854613]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1196.859556]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1196.864423]  ? warn_alloc+0x110/0x110
[ 1196.868218]  ? __lock_is_held+0xb6/0x140
[ 1196.872293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1196.877836]  ? should_fail+0x14d/0x85c
[ 1196.881728]  ? __might_sleep+0x95/0x190
[ 1196.885702]  __alloc_pages_nodemask+0x617/0x750
[ 1196.890499]  ? kasan_check_read+0x11/0x20
[ 1196.894648]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1196.899685]  ? find_get_entry+0x3e1/0xa00
[ 1196.903830]  ? find_get_pages_contig+0xed0/0xed0
[ 1196.908575]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1196.914647]  alloc_pages_current+0x107/0x210
[ 1196.919087]  __page_cache_alloc+0x2bd/0x450
[ 1196.923405]  ? kasan_check_read+0x11/0x20
[ 1196.927549]  filemap_fault+0xfeb/0x1f00
[ 1196.931524]  ? lock_downgrade+0x880/0x880
[ 1196.935685]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1196.940494]  ? lock_acquire+0x16f/0x3f0
[ 1196.944479]  ? ext4_filemap_fault+0x7b/0xaf
[ 1196.948807]  ext4_filemap_fault+0x83/0xaf
[ 1196.952955]  __do_fault+0x111/0x480
[ 1196.956580]  __handle_mm_fault+0x2d78/0x3f80
[ 1196.960988]  ? copy_page_range+0x2030/0x2030
[ 1196.965431]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1196.970106]  handle_mm_fault+0x1b5/0x690
[ 1196.974171]  __do_page_fault+0x62a/0xe90
[ 1196.978229]  ? vmalloc_fault+0x740/0x740
[ 1196.982299]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1196.987310]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1196.992250]  ? page_fault+0x8/0x30
[ 1196.995805]  do_page_fault+0x71/0x57d
[ 1196.999611]  ? page_fault+0x8/0x30
[ 1197.003164]  page_fault+0x1e/0x30
[ 1197.006614] RIP: 0033:0x45b153
[ 1197.009826] Code: Bad RIP value.
[ 1197.013184] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1197.018541] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1197.025806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1197.033088] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1197.040362] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1197.047640] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1197.054953] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1197.055017] aoe: skb alloc failure
[ 1197.062666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1197.062692] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1197.066266] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1197.075602] Call Trace:
[ 1197.082705] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1197.092937]  <IRQ>
[ 1197.102406]  dump_stack+0x197/0x210
[ 1197.106040]  warn_alloc.cold+0x7b/0x173
[ 1197.110016]  ? zone_watermark_ok_safe+0x260/0x260
[ 1197.114872]  ? __cpuset_node_allowed+0x136/0x540
[ 1197.119636]  ? __isolate_free_page+0x4c0/0x4c0
[ 1197.124215]  ? wake_all_kswapds+0x14d/0x300
[ 1197.128558]  __alloc_pages_slowpath+0x2214/0x2870
[ 1197.133434]  ? warn_alloc+0x110/0x110
[ 1197.137237]  ? lock_downgrade+0x880/0x880
[ 1197.141405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1197.147141]  ? should_fail+0x14d/0x85c
[ 1197.151069]  ? __isolate_free_page+0x4c0/0x4c0
[ 1197.155668]  __alloc_pages_nodemask+0x617/0x750
[ 1197.160339]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1197.165488]  ? mark_held_locks+0x100/0x100
[ 1197.169716]  ? mod_timer+0x576/0x1030
[ 1197.173526]  page_frag_alloc+0x541/0x670
[ 1197.177600]  ? check_preemption_disabled+0x48/0x290
[ 1197.182630]  __netdev_alloc_skb+0x20a/0x470
[ 1197.186982]  send_hsr_supervision_frame+0x110/0xfc0
[ 1197.191993]  ? lock_acquire+0x16f/0x3f0
[ 1197.195980]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1197.201002]  hsr_announce+0x12f/0x3b0
[ 1197.204817]  call_timer_fn+0x18d/0x720
[ 1197.208701]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1197.213886]  ? process_timeout+0x40/0x40
[ 1197.218598]  ? run_timer_softirq+0x644/0x16a0
[ 1197.223117]  ? trace_hardirqs_on+0x67/0x220
[ 1197.227443]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1197.232650]  run_timer_softirq+0x64f/0x16a0
[ 1197.236976]  ? add_timer+0xbe0/0xbe0
[ 1197.240701]  ? __lock_is_held+0xb6/0x140
[ 1197.244784]  __do_softirq+0x25c/0x921
[ 1197.248597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1197.254147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1197.259704]  irq_exit+0x180/0x1d0
[ 1197.263164]  smp_apic_timer_interrupt+0x13b/0x550
[ 1197.268008]  apic_timer_interrupt+0xf/0x20
[ 1197.272241]  </IRQ>
[ 1197.274509] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1197.279447] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1197.298354] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1197.306062] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1197.313335] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1197.320595] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1197.327883] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1197.335266] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1197.342579]  ? find_held_lock+0x35/0x130
[ 1197.346649]  ? process_one_work+0x890/0x1750
[ 1197.351057]  skb_clone+0x156/0x3e0
[ 1197.354621]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1197.360944]  process_one_work+0x989/0x1750
[ 1197.365201]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1197.369869]  ? lock_acquire+0x16f/0x3f0
[ 1197.373953]  ? kasan_check_write+0x14/0x20
[ 1197.378201]  ? do_raw_spin_lock+0xd7/0x250
[ 1197.382466]  worker_thread+0x98/0xe40
[ 1197.386280]  ? trace_hardirqs_on+0x67/0x220
[ 1197.390611]  kthread+0x354/0x420
[ 1197.393976]  ? process_one_work+0x1750/0x1750
[ 1197.398466]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1197.404018]  ret_from_fork+0x24/0x30
[ 1197.407743] warn_alloc_show_mem: 1 callbacks suppressed
[ 1197.407753] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1197.407755] Mem-Info:
[ 1197.407785] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1197.407785]  active_file:13 inactive_file:13 isolated_file:0
[ 1197.407785]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1197.407785]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1197.407785]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1197.407785]  free:10948 free_pcp:188 free_cma:0
[ 1197.413129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1197.420580] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1197.422969] Call Trace:
[ 1197.456084] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1197.465431]  <IRQ>
[ 1197.493023] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1197.495628]  dump_stack+0x197/0x210
[ 1197.521460] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1197.523628]  warn_alloc.cold+0x7b/0x173
[ 1197.550114] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1197.553754]  ? zone_watermark_ok_safe+0x260/0x260
[ 1197.558733] lowmem_reserve[]: 0 0 1 1 1
[ 1197.562733]  ? __cpuset_node_allowed+0x136/0x540
[ 1197.591540] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1197.596396]  ? __isolate_free_page+0x4c0/0x4c0
[ 1197.600326] lowmem_reserve[]: 0 0 0 0 0
[ 1197.605091]  ? wake_all_kswapds+0x14d/0x300
[ 1197.630843] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1197.635576]  __alloc_pages_slowpath+0x2214/0x2870
[ 1197.639518] lowmem_reserve[]: 0 0 0 0 0
[ 1197.643861]  ? warn_alloc+0x110/0x110
[ 1197.671595] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1197.676448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1197.680401] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1197.684221]  ? should_fail+0x14d/0x85c
[ 1197.696693] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1197.702758]  ? __isolate_free_page+0x4c0/0x4c0
[ 1197.718009] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1197.721916]  __alloc_pages_nodemask+0x617/0x750
[ 1197.732645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1197.737255]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1197.753221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1197.753237] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1197.758032]  cache_grow_begin+0x91/0x8c0
[ 1197.766851] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1197.771871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1197.780430] 279 total pagecache pages
[ 1197.780446] 0 pages in swap cache
[ 1197.789298]  ? __cpuset_node_allowed+0x136/0x540
[ 1197.793333] Swap cache stats: add 0, delete 0, find 0/0
[ 1197.801908]  fallback_alloc+0x1fd/0x2d0
[ 1197.807685] Free swap  = 0kB
[ 1197.811481]  ____cache_alloc_node+0x1be/0x1e0
[ 1197.814908] Total swap = 0kB
[ 1197.814917] 1965979 pages RAM
[ 1197.819680]  kmem_cache_alloc_node+0xe3/0x710
[ 1197.825105] 0 pages HighMem/MovableOnly
[ 1197.825114] 341741 pages reserved
[ 1197.829110]  __alloc_skb+0xd5/0x5f0
[ 1197.832094] 0 pages cma reserved
[ 1197.832310] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1197.836733]  ? skb_trim+0x190/0x190
[ 1197.839724] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1197.842836]  ? check_preemption_disabled+0x48/0x290
[ 1197.884641]  ? lock_acquire+0x16f/0x3f0
[ 1197.888634]  new_skb+0x28/0x1d0
[ 1197.891923]  aoecmd_cfg+0x1b5/0x640
[ 1197.895834]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1197.900163]  ? timer_reduce+0x11d0/0x11d0
[ 1197.904315]  discover_timer+0x4e/0x60
[ 1197.908108]  call_timer_fn+0x18d/0x720
[ 1197.911993]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1197.916669]  ? process_timeout+0x40/0x40
[ 1197.920738]  ? run_timer_softirq+0x644/0x16a0
[ 1197.925248]  ? trace_hardirqs_on+0x67/0x220
[ 1197.929616]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1197.934285]  run_timer_softirq+0x64f/0x16a0
[ 1197.938626]  ? add_timer+0xbe0/0xbe0
[ 1197.942362]  ? __lock_is_held+0xb6/0x140
[ 1197.946436]  __do_softirq+0x25c/0x921
[ 1197.950256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1197.955790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1197.961339]  irq_exit+0x180/0x1d0
[ 1197.964807]  smp_apic_timer_interrupt+0x13b/0x550
[ 1197.969666]  apic_timer_interrupt+0xf/0x20
[ 1197.973899]  </IRQ>
[ 1197.976140] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1197.980986] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1198.000017] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1198.007720] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1198.014992] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1198.022271] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1198.029536] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1198.036800] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1198.044079]  ? netconsole_netdev_event+0x280/0x280
[ 1198.049005]  ? console_unlock+0xf36/0x10d0
[ 1198.053364]  vprintk_emit+0x280/0x6d0
[ 1198.057189]  vprintk_default+0x28/0x30
[ 1198.061076]  vprintk_func+0x7e/0x189
[ 1198.064801]  printk+0xba/0xed
[ 1198.067901]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1198.072659]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1198.077175]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1198.082196]  dump_header+0x44b/0xa55
[ 1198.085906]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1198.091016]  ? ___ratelimit+0x60/0x595
[ 1198.094895]  ? do_raw_spin_unlock+0x181/0x270
[ 1198.099383]  oom_kill_process.cold+0x10/0x6ef
[ 1198.103873]  ? lock_downgrade+0x880/0x880
[ 1198.108028]  ? kasan_check_read+0x11/0x20
[ 1198.112195]  out_of_memory+0x362/0x1330
[ 1198.116190]  ? oom_killer_disable+0x280/0x280
[ 1198.120699]  ? mutex_trylock+0x18e/0x1e0
[ 1198.124752]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1198.129697]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1198.134671]  ? warn_alloc+0x110/0x110
[ 1198.138466]  ? __lock_is_held+0xb6/0x140
[ 1198.142651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1198.148201]  ? should_fail+0x14d/0x85c
[ 1198.152111]  ? __might_sleep+0x95/0x190
[ 1198.156085]  __alloc_pages_nodemask+0x617/0x750
[ 1198.160779]  ? kasan_check_read+0x11/0x20
[ 1198.164929]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1198.170064]  ? find_get_entry+0x3e1/0xa00
[ 1198.174219]  ? find_get_pages_contig+0xed0/0xed0
[ 1198.178982]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1198.184570]  alloc_pages_current+0x107/0x210
[ 1198.189002]  __page_cache_alloc+0x2bd/0x450
[ 1198.193332]  ? kasan_check_read+0x11/0x20
[ 1198.197486]  filemap_fault+0xfeb/0x1f00
[ 1198.201459]  ? lock_downgrade+0x880/0x880
[ 1198.205629]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1198.210301]  ? lock_acquire+0x16f/0x3f0
[ 1198.214285]  ? ext4_filemap_fault+0x7b/0xaf
[ 1198.218613]  ext4_filemap_fault+0x83/0xaf
[ 1198.222759]  __do_fault+0x111/0x480
[ 1198.226382]  __handle_mm_fault+0x2d78/0x3f80
[ 1198.230853]  ? copy_page_range+0x2030/0x2030
[ 1198.235307]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1198.239976]  handle_mm_fault+0x1b5/0x690
[ 1198.244053]  __do_page_fault+0x62a/0xe90
[ 1198.248124]  ? vmalloc_fault+0x740/0x740
[ 1198.252202]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1198.257231]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1198.262175]  ? page_fault+0x8/0x30
[ 1198.265730]  do_page_fault+0x71/0x57d
[ 1198.269532]  ? page_fault+0x8/0x30
[ 1198.273070]  page_fault+0x1e/0x30
[ 1198.276604] RIP: 0033:0x45b153
[ 1198.279800] Code: Bad RIP value.
[ 1198.283168] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1198.288531] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1198.295903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1198.303178] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1198.310453] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1198.318361] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1198.325663] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1198.325722] aoe: skb alloc failure
[ 1198.333377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1198.333404] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1198.333411] Call Trace:
[ 1198.333418]  <IRQ>
[ 1198.333436]  dump_stack+0x197/0x210
[ 1198.333456]  warn_alloc.cold+0x7b/0x173
[ 1198.337008] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1198.346345]  ? zone_watermark_ok_safe+0x260/0x260
[ 1198.353430] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1198.356017]  ? __cpuset_node_allowed+0x136/0x540
[ 1198.390292]  ? __isolate_free_page+0x4c0/0x4c0
[ 1198.394869]  ? wake_all_kswapds+0x14d/0x300
[ 1198.399209]  __alloc_pages_slowpath+0x2214/0x2870
[ 1198.404113]  ? warn_alloc+0x110/0x110
[ 1198.407910]  ? find_held_lock+0x35/0x130
[ 1198.411982]  ? debug_object_activate+0x206/0x4e0
[ 1198.416747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1198.422290]  ? should_fail+0x14d/0x85c
[ 1198.426177]  ? __isolate_free_page+0x4c0/0x4c0
[ 1198.430776]  __alloc_pages_nodemask+0x617/0x750
[ 1198.435446]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1198.440484]  ? mark_held_locks+0x100/0x100
[ 1198.444715]  ? trace_hardirqs_on+0x67/0x220
[ 1198.449052]  page_frag_alloc+0x541/0x670
[ 1198.453143]  ? check_preemption_disabled+0x48/0x290
[ 1198.458566]  __netdev_alloc_skb+0x20a/0x470
[ 1198.462897]  send_hsr_supervision_frame+0x110/0xfc0
[ 1198.467912]  ? lock_acquire+0x16f/0x3f0
[ 1198.471907]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1198.476928]  hsr_announce+0x12f/0x3b0
[ 1198.480825]  call_timer_fn+0x18d/0x720
[ 1198.484710]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1198.489896]  ? process_timeout+0x40/0x40
[ 1198.493970]  ? run_timer_softirq+0x644/0x16a0
[ 1198.498472]  ? trace_hardirqs_on+0x67/0x220
[ 1198.502806]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1198.507991]  run_timer_softirq+0x64f/0x16a0
[ 1198.512312]  ? add_timer+0xbe0/0xbe0
[ 1198.516027]  ? __lock_is_held+0xb6/0x140
[ 1198.520107]  __do_softirq+0x25c/0x921
[ 1198.523905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1198.529446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1198.535001]  irq_exit+0x180/0x1d0
[ 1198.538472]  smp_apic_timer_interrupt+0x13b/0x550
[ 1198.543391]  apic_timer_interrupt+0xf/0x20
[ 1198.547627]  </IRQ>
[ 1198.549859] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1198.554793] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1198.573717] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1198.581431] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1198.588696] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1198.595970] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1198.603241] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1198.610612] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1198.617912]  ? find_held_lock+0x35/0x130
[ 1198.622025]  ? process_one_work+0x890/0x1750
[ 1198.626460]  skb_clone+0x156/0x3e0
[ 1198.630019]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1198.636354]  process_one_work+0x989/0x1750
[ 1198.640606]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1198.646310]  ? lock_acquire+0x16f/0x3f0
[ 1198.650280]  ? kasan_check_write+0x14/0x20
[ 1198.654532]  ? do_raw_spin_lock+0xd7/0x250
[ 1198.658786]  worker_thread+0x98/0xe40
[ 1198.662607]  ? trace_hardirqs_on+0x67/0x220
[ 1198.666946]  kthread+0x354/0x420
[ 1198.670325]  ? process_one_work+0x1750/0x1750
[ 1198.674829]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1198.680378]  ret_from_fork+0x24/0x30
[ 1198.684093] warn_alloc_show_mem: 1 callbacks suppressed
[ 1198.684103] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1198.684105] Mem-Info:
[ 1198.684135] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1198.684135]  active_file:13 inactive_file:13 isolated_file:0
[ 1198.684135]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1198.684135]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1198.684135]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1198.684135]  free:10948 free_pcp:188 free_cma:0
[ 1198.689482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1198.696939] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1198.699332] Call Trace:
[ 1198.732318] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1198.741674]  <IRQ>
[ 1198.769260] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1198.771856]  dump_stack+0x197/0x210
[ 1198.797686] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1198.799851]  warn_alloc.cold+0x7b/0x173
[ 1198.826542] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1198.830201]  ? zone_watermark_ok_safe+0x260/0x260
[ 1198.835188] lowmem_reserve[]: 0 0 1 1 1
[ 1198.839172]  ? __cpuset_node_allowed+0x136/0x540
[ 1198.868061] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1198.872921]  ? __isolate_free_page+0x4c0/0x4c0
[ 1198.876851] lowmem_reserve[]: 0 0 0 0 0
[ 1198.881622]  ? wake_all_kswapds+0x14d/0x300
[ 1198.907387] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1198.911983]  __alloc_pages_slowpath+0x2214/0x2870
[ 1198.915930] lowmem_reserve[]: 0 0 0 0 0
[ 1198.920283]  ? warn_alloc+0x110/0x110
[ 1198.948114] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1198.952968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1198.956915] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1198.960735]  ? should_fail+0x14d/0x85c
[ 1198.973191] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1198.978730]  ? __isolate_free_page+0x4c0/0x4c0
[ 1198.993967] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1198.997867]  __alloc_pages_nodemask+0x617/0x750
[ 1199.008507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1199.013079]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1199.028827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1199.028840] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1199.033507]  cache_grow_begin+0x91/0x8c0
[ 1199.042426] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1199.042437] 279 total pagecache pages
[ 1199.047477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1199.056038] 0 pages in swap cache
[ 1199.064905]  ? __cpuset_node_allowed+0x136/0x540
[ 1199.068950] Swap cache stats: add 0, delete 0, find 0/0
[ 1199.077518]  fallback_alloc+0x1fd/0x2d0
[ 1199.081308] Free swap  = 0kB
[ 1199.086838]  ____cache_alloc_node+0x1be/0x1e0
[ 1199.090263] Total swap = 0kB
[ 1199.095011]  kmem_cache_alloc_node+0xe3/0x710
[ 1199.100355] 1965979 pages RAM
[ 1199.104339]  __alloc_skb+0xd5/0x5f0
[ 1199.107328] 0 pages HighMem/MovableOnly
[ 1199.107335] 341741 pages reserved
[ 1199.111821]  ? skb_trim+0x190/0x190
[ 1199.114989] 0 pages cma reserved
[ 1199.115252] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1199.119489]  ? check_preemption_disabled+0x48/0x290
[ 1199.122578] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1199.126209]  ? lock_acquire+0x16f/0x3f0
[ 1199.163888]  new_skb+0x28/0x1d0
[ 1199.167164]  aoecmd_cfg+0x1b5/0x640
[ 1199.170806]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1199.175131]  ? timer_reduce+0x11d0/0x11d0
[ 1199.179296]  discover_timer+0x4e/0x60
[ 1199.183093]  call_timer_fn+0x18d/0x720
[ 1199.186991]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1199.191665]  ? process_timeout+0x40/0x40
[ 1199.195734]  ? run_timer_softirq+0x644/0x16a0
[ 1199.200238]  ? trace_hardirqs_on+0x67/0x220
[ 1199.204561]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1199.209225]  run_timer_softirq+0x64f/0x16a0
[ 1199.213574]  ? add_timer+0xbe0/0xbe0
[ 1199.217862]  ? __lock_is_held+0xb6/0x140
[ 1199.221948]  __do_softirq+0x25c/0x921
[ 1199.225748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1199.231280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1199.236828]  irq_exit+0x180/0x1d0
[ 1199.240289]  smp_apic_timer_interrupt+0x13b/0x550
[ 1199.245142]  apic_timer_interrupt+0xf/0x20
[ 1199.249371]  </IRQ>
[ 1199.251603] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1199.256461] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1199.275368] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1199.283084] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1199.290351] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1199.297626] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1199.304919] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1199.312316] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1199.319609]  ? netconsole_netdev_event+0x280/0x280
[ 1199.324561]  ? console_unlock+0xf36/0x10d0
[ 1199.328816]  vprintk_emit+0x280/0x6d0
[ 1199.332639]  vprintk_default+0x28/0x30
[ 1199.336565]  vprintk_func+0x7e/0x189
[ 1199.340281]  printk+0xba/0xed
[ 1199.343647]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1199.348407]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1199.352905]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1199.357931]  dump_header+0x44b/0xa55
[ 1199.361641]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1199.366748]  ? ___ratelimit+0x60/0x595
[ 1199.370626]  ? do_raw_spin_unlock+0x181/0x270
[ 1199.375115]  oom_kill_process.cold+0x10/0x6ef
[ 1199.379604]  ? lock_downgrade+0x880/0x880
[ 1199.383746]  ? kasan_check_read+0x11/0x20
[ 1199.387887]  out_of_memory+0x362/0x1330
[ 1199.391869]  ? oom_killer_disable+0x280/0x280
[ 1199.396357]  ? mutex_trylock+0x18e/0x1e0
[ 1199.400407]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1199.405328]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1199.410188]  ? warn_alloc+0x110/0x110
[ 1199.413978]  ? __lock_is_held+0xb6/0x140
[ 1199.418033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1199.423557]  ? should_fail+0x14d/0x85c
[ 1199.427445]  ? __might_sleep+0x95/0x190
[ 1199.431414]  __alloc_pages_nodemask+0x617/0x750
[ 1199.436072]  ? kasan_check_read+0x11/0x20
[ 1199.440215]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1199.445221]  ? find_get_entry+0x3e1/0xa00
[ 1199.449374]  ? find_get_pages_contig+0xed0/0xed0
[ 1199.454118]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1199.459649]  alloc_pages_current+0x107/0x210
[ 1199.464080]  __page_cache_alloc+0x2bd/0x450
[ 1199.468420]  ? kasan_check_read+0x11/0x20
[ 1199.472574]  filemap_fault+0xfeb/0x1f00
[ 1199.476585]  ? lock_downgrade+0x880/0x880
[ 1199.480759]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1199.485430]  ? lock_acquire+0x16f/0x3f0
[ 1199.489435]  ? ext4_filemap_fault+0x7b/0xaf
[ 1199.493762]  ext4_filemap_fault+0x83/0xaf
[ 1199.497908]  __do_fault+0x111/0x480
[ 1199.501549]  __handle_mm_fault+0x2d78/0x3f80
[ 1199.505979]  ? copy_page_range+0x2030/0x2030
[ 1199.510423]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1199.515096]  handle_mm_fault+0x1b5/0x690
[ 1199.519156]  __do_page_fault+0x62a/0xe90
[ 1199.523219]  ? vmalloc_fault+0x740/0x740
[ 1199.527296]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1199.532313]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1199.537254]  ? page_fault+0x8/0x30
[ 1199.540805]  do_page_fault+0x71/0x57d
[ 1199.544615]  ? page_fault+0x8/0x30
[ 1199.548166]  page_fault+0x1e/0x30
[ 1199.551614] RIP: 0033:0x45b153
[ 1199.554816] Code: Bad RIP value.
[ 1199.558201] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1199.563601] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1199.570867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1199.578139] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1199.585411] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1199.592683] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1199.599998] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1199.600062] aoe: skb alloc failure
[ 1199.607713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1199.607740] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1199.607747] Call Trace:
[ 1199.607753]  <IRQ>
[ 1199.607771]  dump_stack+0x197/0x210
[ 1199.607792]  warn_alloc.cold+0x7b/0x173
[ 1199.611338] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1199.620673]  ? zone_watermark_ok_safe+0x260/0x260
[ 1199.627879] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1199.630475]  ? __cpuset_node_allowed+0x136/0x540
[ 1199.664750]  ? __isolate_free_page+0x4c0/0x4c0
[ 1199.669329]  ? wake_all_kswapds+0x14d/0x300
[ 1199.673651]  __alloc_pages_slowpath+0x2214/0x2870
[ 1199.678522]  ? warn_alloc+0x110/0x110
[ 1199.682344]  ? lock_downgrade+0x880/0x880
[ 1199.686492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1199.692038]  ? should_fail+0x14d/0x85c
[ 1199.695929]  ? __isolate_free_page+0x4c0/0x4c0
[ 1199.700517]  __alloc_pages_nodemask+0x617/0x750
[ 1199.705192]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1199.710211]  ? mark_held_locks+0x100/0x100
[ 1199.714472]  ? mod_timer+0x576/0x1030
[ 1199.718273]  page_frag_alloc+0x541/0x670
[ 1199.722358]  ? check_preemption_disabled+0x48/0x290
[ 1199.727381]  __netdev_alloc_skb+0x20a/0x470
[ 1199.731704]  send_hsr_supervision_frame+0x110/0xfc0
[ 1199.736727]  ? lock_acquire+0x16f/0x3f0
[ 1199.740728]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1199.745761]  hsr_announce+0x12f/0x3b0
[ 1199.749564]  call_timer_fn+0x18d/0x720
[ 1199.753445]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1199.758641]  ? process_timeout+0x40/0x40
[ 1199.762705]  ? run_timer_softirq+0x644/0x16a0
[ 1199.767197]  ? trace_hardirqs_on+0x67/0x220
[ 1199.771515]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1199.776705]  run_timer_softirq+0x64f/0x16a0
[ 1199.781023]  ? add_timer+0xbe0/0xbe0
[ 1199.784728]  ? __lock_is_held+0xb6/0x140
[ 1199.788793]  __do_softirq+0x25c/0x921
[ 1199.792580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1199.798105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1199.803642]  irq_exit+0x180/0x1d0
[ 1199.807087]  smp_apic_timer_interrupt+0x13b/0x550
[ 1199.811924]  apic_timer_interrupt+0xf/0x20
[ 1199.816141]  </IRQ>
[ 1199.818370] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1199.823292] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1199.842182] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1199.849880] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1199.857140] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1199.864404] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1199.871659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1199.878917] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1199.886220]  ? find_held_lock+0x35/0x130
[ 1199.890281]  ? process_one_work+0x890/0x1750
[ 1199.894687]  skb_clone+0x156/0x3e0
[ 1199.898246]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1199.904591]  process_one_work+0x989/0x1750
[ 1199.908831]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1199.913493]  ? lock_acquire+0x16f/0x3f0
[ 1199.917480]  ? kasan_check_write+0x14/0x20
[ 1199.921737]  ? do_raw_spin_lock+0xd7/0x250
[ 1199.926068]  worker_thread+0x98/0xe40
[ 1199.929869]  ? trace_hardirqs_on+0x67/0x220
[ 1199.934202]  kthread+0x354/0x420
[ 1199.937569]  ? process_one_work+0x1750/0x1750
[ 1199.942061]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1199.947595]  ret_from_fork+0x24/0x30
[ 1199.951308] warn_alloc_show_mem: 1 callbacks suppressed
[ 1199.951318] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1199.951321] Mem-Info:
[ 1199.951349] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1199.951349]  active_file:13 inactive_file:13 isolated_file:0
[ 1199.951349]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1199.951349]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1199.951349]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1199.951349]  free:10948 free_pcp:188 free_cma:0
[ 1199.956695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1199.964143] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1199.966535] Call Trace:
[ 1199.999518] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1200.008882]  <IRQ>
[ 1200.036469] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1200.039063]  dump_stack+0x197/0x210
[ 1200.064901] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1200.067082]  warn_alloc.cold+0x7b/0x173
[ 1200.093171] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1200.096836]  ? zone_watermark_ok_safe+0x260/0x260
[ 1200.101821] lowmem_reserve[]: 0 0 1 1 1
[ 1200.105819]  ? __cpuset_node_allowed+0x136/0x540
[ 1200.134606] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1200.139473]  ? __isolate_free_page+0x4c0/0x4c0
[ 1200.143424] lowmem_reserve[]: 0 0 0 0 0
[ 1200.148195]  ? wake_all_kswapds+0x14d/0x300
[ 1200.173943] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1200.178547]  __alloc_pages_slowpath+0x2214/0x2870
[ 1200.182489] lowmem_reserve[]: 0 0 0 0 0
[ 1200.186821]  ? warn_alloc+0x110/0x110
[ 1200.214547] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1200.219388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1200.223329] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1200.227142]  ? should_fail+0x14d/0x85c
[ 1200.239611] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1200.245150]  ? __isolate_free_page+0x4c0/0x4c0
[ 1200.260387] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1200.264289]  __alloc_pages_nodemask+0x617/0x750
[ 1200.274920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1200.279493]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1200.295247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1200.295260] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1200.299931]  cache_grow_begin+0x91/0x8c0
[ 1200.308746] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1200.313846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1200.322408] 279 total pagecache pages
[ 1200.331235]  ? __cpuset_node_allowed+0x136/0x540
[ 1200.335272] 0 pages in swap cache
[ 1200.343834]  fallback_alloc+0x1fd/0x2d0
[ 1200.349347] Swap cache stats: add 0, delete 0, find 0/0
[ 1200.353147]  ____cache_alloc_node+0x1be/0x1e0
[ 1200.357880] Free swap  = 0kB
[ 1200.357888] Total swap = 0kB
[ 1200.361341]  kmem_cache_alloc_node+0xe3/0x710
[ 1200.365287] 1965979 pages RAM
[ 1200.370651]  __alloc_skb+0xd5/0x5f0
[ 1200.375213] 0 pages HighMem/MovableOnly
[ 1200.378235]  ? skb_trim+0x190/0x190
[ 1200.381218] 341741 pages reserved
[ 1200.385722]  ? check_preemption_disabled+0x48/0x290
[ 1200.388814] 0 pages cma reserved
[ 1200.389033] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1200.392453]  ? lock_acquire+0x16f/0x3f0
[ 1200.396397] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1200.400024]  new_skb+0x28/0x1d0
[ 1200.433521]  aoecmd_cfg+0x1b5/0x640
[ 1200.437148]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1200.441465]  ? timer_reduce+0x11d0/0x11d0
[ 1200.445613]  discover_timer+0x4e/0x60
[ 1200.449405]  call_timer_fn+0x18d/0x720
[ 1200.453283]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1200.457946]  ? process_timeout+0x40/0x40
[ 1200.461996]  ? run_timer_softirq+0x644/0x16a0
[ 1200.466484]  ? trace_hardirqs_on+0x67/0x220
[ 1200.470802]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1200.475460]  run_timer_softirq+0x64f/0x16a0
[ 1200.479777]  ? add_timer+0xbe0/0xbe0
[ 1200.483486]  ? __lock_is_held+0xb6/0x140
[ 1200.487551]  __do_softirq+0x25c/0x921
[ 1200.491342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1200.496886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1200.502433]  irq_exit+0x180/0x1d0
[ 1200.505882]  smp_apic_timer_interrupt+0x13b/0x550
[ 1200.510720]  apic_timer_interrupt+0xf/0x20
[ 1200.514954]  </IRQ>
[ 1200.517192] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1200.522023] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1200.540915] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1200.548631] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1200.555892] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1200.563184] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1200.570464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1200.577746] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1200.585029]  ? netconsole_netdev_event+0x280/0x280
[ 1200.589958]  ? console_unlock+0xf36/0x10d0
[ 1200.594210]  vprintk_emit+0x280/0x6d0
[ 1200.598007]  vprintk_default+0x28/0x30
[ 1200.601895]  vprintk_func+0x7e/0x189
[ 1200.605609]  printk+0xba/0xed
[ 1200.608704]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1200.613453]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1200.617944]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1200.622957]  dump_header+0x44b/0xa55
[ 1200.626662]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1200.631756]  ? ___ratelimit+0x60/0x595
[ 1200.635634]  ? do_raw_spin_unlock+0x181/0x270
[ 1200.640122]  oom_kill_process.cold+0x10/0x6ef
[ 1200.644610]  ? lock_downgrade+0x880/0x880
[ 1200.648750]  ? kasan_check_read+0x11/0x20
[ 1200.652890]  out_of_memory+0x362/0x1330
[ 1200.656862]  ? oom_killer_disable+0x280/0x280
[ 1200.661350]  ? mutex_trylock+0x18e/0x1e0
[ 1200.665405]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1200.670330]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1200.675190]  ? warn_alloc+0x110/0x110
[ 1200.678982]  ? __lock_is_held+0xb6/0x140
[ 1200.683043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1200.688607]  ? should_fail+0x14d/0x85c
[ 1200.692498]  ? __might_sleep+0x95/0x190
[ 1200.696472]  __alloc_pages_nodemask+0x617/0x750
[ 1200.701257]  ? kasan_check_read+0x11/0x20
[ 1200.705413]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1200.710430]  ? find_get_entry+0x3e1/0xa00
[ 1200.714578]  ? find_get_pages_contig+0xed0/0xed0
[ 1200.719329]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1200.724876]  alloc_pages_current+0x107/0x210
[ 1200.729283]  __page_cache_alloc+0x2bd/0x450
[ 1200.733598]  ? kasan_check_read+0x11/0x20
[ 1200.737875]  filemap_fault+0xfeb/0x1f00
[ 1200.741863]  ? lock_downgrade+0x880/0x880
[ 1200.746118]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1200.750806]  ? lock_acquire+0x16f/0x3f0
[ 1200.754812]  ? ext4_filemap_fault+0x7b/0xaf
[ 1200.759145]  ext4_filemap_fault+0x83/0xaf
[ 1200.763297]  __do_fault+0x111/0x480
[ 1200.766924]  __handle_mm_fault+0x2d78/0x3f80
[ 1200.771351]  ? copy_page_range+0x2030/0x2030
[ 1200.775775]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1200.780442]  handle_mm_fault+0x1b5/0x690
[ 1200.784516]  __do_page_fault+0x62a/0xe90
[ 1200.788577]  ? vmalloc_fault+0x740/0x740
[ 1200.792647]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1200.797671]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1200.802595]  ? page_fault+0x8/0x30
[ 1200.806132]  do_page_fault+0x71/0x57d
[ 1200.809922]  ? page_fault+0x8/0x30
[ 1200.813454]  page_fault+0x1e/0x30
[ 1200.816909] RIP: 0033:0x45b153
[ 1200.820108] Code: Bad RIP value.
[ 1200.823472] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1200.828838] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1200.836099] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1200.843368] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1200.850641] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1200.857907] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1200.865195] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1200.865252] aoe: skb alloc failure
[ 1200.872908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1200.872933] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1200.876496] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1200.885801] Call Trace:
[ 1200.885809]  <IRQ>
[ 1200.892897] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1200.903156]  dump_stack+0x197/0x210
[ 1200.916918]  warn_alloc.cold+0x7b/0x173
[ 1200.920930]  ? zone_watermark_ok_safe+0x260/0x260
[ 1200.925778]  ? __cpuset_node_allowed+0x136/0x540
[ 1200.930535]  ? __isolate_free_page+0x4c0/0x4c0
[ 1200.935113]  ? wake_all_kswapds+0x14d/0x300
[ 1200.939435]  __alloc_pages_slowpath+0x2214/0x2870
[ 1200.944286]  ? warn_alloc+0x110/0x110
[ 1200.948084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1200.953613]  ? should_fail+0x14d/0x85c
[ 1200.957496]  ? __isolate_free_page+0x4c0/0x4c0
[ 1200.962090]  __alloc_pages_nodemask+0x617/0x750
[ 1200.966758]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1200.971772]  ? mark_held_locks+0x100/0x100
[ 1200.975998]  ? trace_hardirqs_on+0x67/0x220
[ 1200.980336]  page_frag_alloc+0x541/0x670
[ 1200.984404]  ? check_preemption_disabled+0x48/0x290
[ 1200.989566]  __netdev_alloc_skb+0x20a/0x470
[ 1200.993896]  send_hsr_supervision_frame+0x110/0xfc0
[ 1200.998910]  ? lock_acquire+0x16f/0x3f0
[ 1201.002886]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1201.007916]  hsr_announce+0x12f/0x3b0
[ 1201.011712]  call_timer_fn+0x18d/0x720
[ 1201.015618]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1201.020911]  ? process_timeout+0x40/0x40
[ 1201.024969]  ? run_timer_softirq+0x644/0x16a0
[ 1201.029465]  ? trace_hardirqs_on+0x67/0x220
[ 1201.033800]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1201.038980]  run_timer_softirq+0x64f/0x16a0
[ 1201.043298]  ? add_timer+0xbe0/0xbe0
[ 1201.047005]  ? __lock_is_held+0xb6/0x140
[ 1201.051068]  __do_softirq+0x25c/0x921
[ 1201.054873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1201.060400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1201.065969]  irq_exit+0x180/0x1d0
[ 1201.069443]  smp_apic_timer_interrupt+0x13b/0x550
[ 1201.074291]  apic_timer_interrupt+0xf/0x20
[ 1201.078518]  </IRQ>
[ 1201.080750] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1201.085677] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1201.104583] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1201.112290] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1201.119564] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1201.126832] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1201.134111] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1201.141383] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1201.148809]  ? find_held_lock+0x35/0x130
[ 1201.152883]  ? process_one_work+0x890/0x1750
[ 1201.157305]  skb_clone+0x156/0x3e0
[ 1201.160856]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1201.167186]  process_one_work+0x989/0x1750
[ 1201.171442]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1201.176124]  ? lock_acquire+0x16f/0x3f0
[ 1201.180118]  ? kasan_check_write+0x14/0x20
[ 1201.184347]  ? do_raw_spin_lock+0xd7/0x250
[ 1201.188582]  worker_thread+0x98/0xe40
[ 1201.192376]  ? trace_hardirqs_on+0x67/0x220
[ 1201.196703]  kthread+0x354/0x420
[ 1201.200082]  ? process_one_work+0x1750/0x1750
[ 1201.204589]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1201.210139]  ret_from_fork+0x24/0x30
[ 1201.214196] warn_alloc_show_mem: 1 callbacks suppressed
[ 1201.214206] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1201.214208] Mem-Info:
[ 1201.214239] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1201.214239]  active_file:13 inactive_file:13 isolated_file:0
[ 1201.214239]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1201.214239]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1201.214239]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1201.214239]  free:10948 free_pcp:188 free_cma:0
[ 1201.219603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1201.227068] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1201.229469] Call Trace:
[ 1201.262455] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1201.271792]  <IRQ>
[ 1201.299380] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1201.301975]  dump_stack+0x197/0x210
[ 1201.327806] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1201.329964]  warn_alloc.cold+0x7b/0x173
[ 1201.356050] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1201.359695]  ? zone_watermark_ok_safe+0x260/0x260
[ 1201.364678] lowmem_reserve[]: 0 0 1 1 1
[ 1201.368662]  ? __cpuset_node_allowed+0x136/0x540
[ 1201.397435] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1201.402299]  ? __isolate_free_page+0x4c0/0x4c0
[ 1201.406236] lowmem_reserve[]: 0 0 0 0 0
[ 1201.410983]  ? wake_all_kswapds+0x14d/0x300
[ 1201.436724] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1201.441317]  __alloc_pages_slowpath+0x2214/0x2870
[ 1201.445253] lowmem_reserve[]: 0 0 0 0 0
[ 1201.449612]  ? warn_alloc+0x110/0x110
[ 1201.477444] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1201.482300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1201.486237] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1201.490034]  ? should_fail+0x14d/0x85c
[ 1201.502496] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1201.508034]  ? __isolate_free_page+0x4c0/0x4c0
[ 1201.523279] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1201.527161]  __alloc_pages_nodemask+0x617/0x750
[ 1201.537805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1201.542380]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1201.558126] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1201.558139] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1201.562811]  cache_grow_begin+0x91/0x8c0
[ 1201.571624] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1201.571633] 279 total pagecache pages
[ 1201.576643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1201.585196] 0 pages in swap cache
[ 1201.594038]  ? __cpuset_node_allowed+0x136/0x540
[ 1201.598089] Swap cache stats: add 0, delete 0, find 0/0
[ 1201.606663]  fallback_alloc+0x1fd/0x2d0
[ 1201.610439] Free swap  = 0kB
[ 1201.610447] Total swap = 0kB
[ 1201.615990]  ____cache_alloc_node+0x1be/0x1e0
[ 1201.619414] 1965979 pages RAM
[ 1201.624160]  kmem_cache_alloc_node+0xe3/0x710
[ 1201.629491] 0 pages HighMem/MovableOnly
[ 1201.629499] 341741 pages reserved
[ 1201.633487]  __alloc_skb+0xd5/0x5f0
[ 1201.636479] 0 pages cma reserved
[ 1201.639497]  ? skb_trim+0x190/0x190
[ 1201.644313] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1201.647202]  ? check_preemption_disabled+0x48/0x290
[ 1201.651673] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1201.655634]  ? lock_acquire+0x16f/0x3f0
[ 1201.655657]  new_skb+0x28/0x1d0
[ 1201.696283]  aoecmd_cfg+0x1b5/0x640
[ 1201.699923]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1201.704252]  ? timer_reduce+0x11d0/0x11d0
[ 1201.708422]  discover_timer+0x4e/0x60
[ 1201.712233]  call_timer_fn+0x18d/0x720
[ 1201.716127]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1201.720792]  ? process_timeout+0x40/0x40
[ 1201.724842]  ? run_timer_softirq+0x644/0x16a0
[ 1201.729332]  ? trace_hardirqs_on+0x67/0x220
[ 1201.733647]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1201.738307]  run_timer_softirq+0x64f/0x16a0
[ 1201.742624]  ? add_timer+0xbe0/0xbe0
[ 1201.746330]  ? __lock_is_held+0xb6/0x140
[ 1201.750413]  __do_softirq+0x25c/0x921
[ 1201.754218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1201.759761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1201.765323]  irq_exit+0x180/0x1d0
[ 1201.768780]  smp_apic_timer_interrupt+0x13b/0x550
[ 1201.773621]  apic_timer_interrupt+0xf/0x20
[ 1201.777845]  </IRQ>
[ 1201.780091] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1201.784931] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1201.803829] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1201.811543] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1201.818820] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1201.826097] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1201.833366] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1201.840643] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1201.847936]  ? netconsole_netdev_event+0x280/0x280
[ 1201.852863]  ? console_unlock+0xf36/0x10d0
[ 1201.857132]  vprintk_emit+0x280/0x6d0
[ 1201.860930]  vprintk_default+0x28/0x30
[ 1201.864825]  vprintk_func+0x7e/0x189
[ 1201.868554]  printk+0xba/0xed
[ 1201.871670]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1201.876428]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1201.880940]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1201.885975]  dump_header+0x44b/0xa55
[ 1201.889683]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1201.894786]  ? ___ratelimit+0x60/0x595
[ 1201.898670]  ? do_raw_spin_unlock+0x181/0x270
[ 1201.903187]  oom_kill_process.cold+0x10/0x6ef
[ 1201.907683]  ? lock_downgrade+0x880/0x880
[ 1201.911858]  ? kasan_check_read+0x11/0x20
[ 1201.916021]  out_of_memory+0x362/0x1330
[ 1201.920001]  ? oom_killer_disable+0x280/0x280
[ 1201.924501]  ? mutex_trylock+0x18e/0x1e0
[ 1201.928556]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1201.933486]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1201.938464]  ? warn_alloc+0x110/0x110
[ 1201.942263]  ? __lock_is_held+0xb6/0x140
[ 1201.946331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1201.951897]  ? should_fail+0x14d/0x85c
[ 1201.955847]  ? __might_sleep+0x95/0x190
[ 1201.959844]  __alloc_pages_nodemask+0x617/0x750
[ 1201.964512]  ? kasan_check_read+0x11/0x20
[ 1201.968673]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1201.973699]  ? find_get_entry+0x3e1/0xa00
[ 1201.977940]  ? find_get_pages_contig+0xed0/0xed0
[ 1201.982702]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1201.988241]  alloc_pages_current+0x107/0x210
[ 1201.992646]  __page_cache_alloc+0x2bd/0x450
[ 1201.996973]  ? kasan_check_read+0x11/0x20
[ 1202.001120]  filemap_fault+0xfeb/0x1f00
[ 1202.005095]  ? lock_downgrade+0x880/0x880
[ 1202.009260]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1202.014425]  ? lock_acquire+0x16f/0x3f0
[ 1202.018393]  ? ext4_filemap_fault+0x7b/0xaf
[ 1202.022717]  ext4_filemap_fault+0x83/0xaf
[ 1202.026882]  __do_fault+0x111/0x480
[ 1202.030540]  __handle_mm_fault+0x2d78/0x3f80
[ 1202.034950]  ? copy_page_range+0x2030/0x2030
[ 1202.039373]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1202.044037]  handle_mm_fault+0x1b5/0x690
[ 1202.048109]  __do_page_fault+0x62a/0xe90
[ 1202.052260]  ? vmalloc_fault+0x740/0x740
[ 1202.056334]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1202.061367]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1202.066311]  ? page_fault+0x8/0x30
[ 1202.069866]  do_page_fault+0x71/0x57d
[ 1202.073667]  ? page_fault+0x8/0x30
[ 1202.077221]  page_fault+0x1e/0x30
[ 1202.080668] RIP: 0033:0x45b153
[ 1202.083878] Code: Bad RIP value.
[ 1202.087238] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1202.092597] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1202.099881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1202.107157] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1202.114425] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1202.121689] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1202.128989] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1202.129046] aoe: skb alloc failure
[ 1202.136815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1202.136841] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1202.136848] Call Trace:
[ 1202.136855]  <IRQ>
[ 1202.136873]  dump_stack+0x197/0x210
[ 1202.136893]  warn_alloc.cold+0x7b/0x173
[ 1202.136910]  ? zone_watermark_ok_safe+0x260/0x260
[ 1202.140483] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1202.149830]  ? __cpuset_node_allowed+0x136/0x540
[ 1202.156925] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1202.159530]  ? __isolate_free_page+0x4c0/0x4c0
[ 1202.198481]  ? wake_all_kswapds+0x14d/0x300
[ 1202.203086]  __alloc_pages_slowpath+0x2214/0x2870
[ 1202.208130]  ? warn_alloc+0x110/0x110
[ 1202.211933]  ? lock_downgrade+0x880/0x880
[ 1202.216076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1202.221614]  ? should_fail+0x14d/0x85c
[ 1202.225523]  ? __isolate_free_page+0x4c0/0x4c0
[ 1202.230114]  __alloc_pages_nodemask+0x617/0x750
[ 1202.234786]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1202.239823]  ? mark_held_locks+0x100/0x100
[ 1202.244053]  ? mod_timer+0x576/0x1030
[ 1202.247850]  page_frag_alloc+0x541/0x670
[ 1202.251904]  ? check_preemption_disabled+0x48/0x290
[ 1202.256919]  __netdev_alloc_skb+0x20a/0x470
[ 1202.261238]  send_hsr_supervision_frame+0x110/0xfc0
[ 1202.266247]  ? lock_acquire+0x16f/0x3f0
[ 1202.270243]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1202.275283]  hsr_announce+0x12f/0x3b0
[ 1202.279084]  call_timer_fn+0x18d/0x720
[ 1202.282986]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1202.288192]  ? process_timeout+0x40/0x40
[ 1202.292253]  ? run_timer_softirq+0x644/0x16a0
[ 1202.296754]  ? trace_hardirqs_on+0x67/0x220
[ 1202.301081]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1202.306285]  run_timer_softirq+0x64f/0x16a0
[ 1202.310605]  ? add_timer+0xbe0/0xbe0
[ 1202.314324]  ? __lock_is_held+0xb6/0x140
[ 1202.318389]  __do_softirq+0x25c/0x921
[ 1202.322182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1202.327711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1202.333253]  irq_exit+0x180/0x1d0
[ 1202.336700]  smp_apic_timer_interrupt+0x13b/0x550
[ 1202.341550]  apic_timer_interrupt+0xf/0x20
[ 1202.345769]  </IRQ>
[ 1202.348000] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1202.352947] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1202.371846] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1202.379548] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1202.386805] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1202.394066] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1202.401325] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1202.408596] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1202.415886]  ? find_held_lock+0x35/0x130
[ 1202.420028]  ? process_one_work+0x890/0x1750
[ 1202.424446]  skb_clone+0x156/0x3e0
[ 1202.427990]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1202.434315]  process_one_work+0x989/0x1750
[ 1202.438552]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1202.443217]  ? lock_acquire+0x16f/0x3f0
[ 1202.447277]  ? kasan_check_write+0x14/0x20
[ 1202.451502]  ? do_raw_spin_lock+0xd7/0x250
[ 1202.455746]  worker_thread+0x98/0xe40
[ 1202.459539]  ? trace_hardirqs_on+0x67/0x220
[ 1202.463864]  kthread+0x354/0x420
[ 1202.467224]  ? process_one_work+0x1750/0x1750
[ 1202.471726]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1202.477277]  ret_from_fork+0x24/0x30
[ 1202.481016] warn_alloc_show_mem: 1 callbacks suppressed
[ 1202.481027] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1202.481029] Mem-Info:
[ 1202.481058] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1202.481058]  active_file:13 inactive_file:13 isolated_file:0
[ 1202.481058]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1202.481058]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1202.481058]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1202.481058]  free:10948 free_pcp:188 free_cma:0
[ 1202.486399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1202.486409] Call Trace:
[ 1202.493884] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1202.496279]  <IRQ>
[ 1202.529538] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1202.538903]  dump_stack+0x197/0x210
[ 1202.541461] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1202.569051]  warn_alloc.cold+0x7b/0x173
[ 1202.571184] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1202.597031]  ? zone_watermark_ok_safe+0x260/0x260
[ 1202.600630] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1202.626835]  ? __cpuset_node_allowed+0x136/0x540
[ 1202.630773] lowmem_reserve[]: 0 0 1 1 1
[ 1202.635807]  ? __isolate_free_page+0x4c0/0x4c0
[ 1202.640619] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1202.669416]  ? wake_all_kswapds+0x14d/0x300
[ 1202.674144] lowmem_reserve[]: 0 0 0 0 0
[ 1202.678110]  __alloc_pages_slowpath+0x2214/0x2870
[ 1202.682663] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1202.708454]  ? warn_alloc+0x110/0x110
[ 1202.712800] lowmem_reserve[]: 0 0 0 0 0
[ 1202.716792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1202.721607] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1202.749539]  ? should_fail+0x14d/0x85c
[ 1202.753317] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1202.757477]  ? __isolate_free_page+0x4c0/0x4c0
[ 1202.762987] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1202.775540]  __alloc_pages_nodemask+0x617/0x750
[ 1202.779393] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1202.794669]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1202.799225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1202.809883]  cache_grow_begin+0x91/0x8c0
[ 1202.814522] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1202.830303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1202.835325] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1202.844174]  ? __cpuset_node_allowed+0x136/0x540
[ 1202.848237] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1202.856800]  fallback_alloc+0x1fd/0x2d0
[ 1202.862322] 279 total pagecache pages
[ 1202.871162]  ____cache_alloc_node+0x1be/0x1e0
[ 1202.875892] 0 pages in swap cache
[ 1202.884480]  kmem_cache_alloc_node+0xe3/0x710
[ 1202.888448] Swap cache stats: add 0, delete 0, find 0/0
[ 1202.892258]  __alloc_skb+0xd5/0x5f0
[ 1202.896720] Free swap  = 0kB
[ 1202.900164]  ? skb_trim+0x190/0x190
[ 1202.904632] Total swap = 0kB
[ 1202.910006]  ? check_preemption_disabled+0x48/0x290
[ 1202.913608] 1965979 pages RAM
[ 1202.916643]  ? lock_acquire+0x16f/0x3f0
[ 1202.920239] 0 pages HighMem/MovableOnly
[ 1202.920247] 341741 pages reserved
[ 1202.923265]  new_skb+0x28/0x1d0
[ 1202.928329] 0 pages cma reserved
[ 1202.928541] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1202.931435]  aoecmd_cfg+0x1b5/0x640
[ 1202.935383] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1202.939347]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1202.971650]  ? timer_reduce+0x11d0/0x11d0
[ 1202.975811]  discover_timer+0x4e/0x60
[ 1202.979601]  call_timer_fn+0x18d/0x720
[ 1202.983485]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1202.988217]  ? process_timeout+0x40/0x40
[ 1202.992290]  ? run_timer_softirq+0x644/0x16a0
[ 1202.996800]  ? trace_hardirqs_on+0x67/0x220
[ 1203.001122]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1203.005801]  run_timer_softirq+0x64f/0x16a0
[ 1203.010120]  ? add_timer+0xbe0/0xbe0
[ 1203.013829]  ? __lock_is_held+0xb6/0x140
[ 1203.017916]  __do_softirq+0x25c/0x921
[ 1203.021731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1203.027282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1203.032847]  irq_exit+0x180/0x1d0
[ 1203.036306]  smp_apic_timer_interrupt+0x13b/0x550
[ 1203.041168]  apic_timer_interrupt+0xf/0x20
[ 1203.045391]  </IRQ>
[ 1203.047622] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1203.052457] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1203.071352] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1203.079573] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1203.086850] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1203.094249] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1203.101514] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1203.108774] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1203.116067]  ? netconsole_netdev_event+0x280/0x280
[ 1203.120993]  ? console_unlock+0xf36/0x10d0
[ 1203.125231]  vprintk_emit+0x280/0x6d0
[ 1203.129036]  vprintk_default+0x28/0x30
[ 1203.132915]  vprintk_func+0x7e/0x189
[ 1203.136621]  printk+0xba/0xed
[ 1203.139730]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1203.144495]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1203.148988]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1203.154022]  dump_header+0x44b/0xa55
[ 1203.157749]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1203.162851]  ? ___ratelimit+0x60/0x595
[ 1203.166742]  ? do_raw_spin_unlock+0x181/0x270
[ 1203.171252]  oom_kill_process.cold+0x10/0x6ef
[ 1203.175762]  ? lock_downgrade+0x880/0x880
[ 1203.179906]  ? kasan_check_read+0x11/0x20
[ 1203.184047]  out_of_memory+0x362/0x1330
[ 1203.188024]  ? oom_killer_disable+0x280/0x280
[ 1203.192538]  ? mutex_trylock+0x18e/0x1e0
[ 1203.196595]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1203.201529]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1203.206383]  ? warn_alloc+0x110/0x110
[ 1203.210188]  ? __lock_is_held+0xb6/0x140
[ 1203.214243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1203.219859]  ? should_fail+0x14d/0x85c
[ 1203.223746]  ? __might_sleep+0x95/0x190
[ 1203.227818]  __alloc_pages_nodemask+0x617/0x750
[ 1203.232514]  ? kasan_check_read+0x11/0x20
[ 1203.236793]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1203.241819]  ? find_get_entry+0x3e1/0xa00
[ 1203.245982]  ? find_get_pages_contig+0xed0/0xed0
[ 1203.250738]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1203.256281]  alloc_pages_current+0x107/0x210
[ 1203.260720]  __page_cache_alloc+0x2bd/0x450
[ 1203.265050]  ? kasan_check_read+0x11/0x20
[ 1203.269210]  filemap_fault+0xfeb/0x1f00
[ 1203.273206]  ? lock_downgrade+0x880/0x880
[ 1203.277361]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1203.282047]  ? lock_acquire+0x16f/0x3f0
[ 1203.286020]  ? ext4_filemap_fault+0x7b/0xaf
[ 1203.290358]  ext4_filemap_fault+0x83/0xaf
[ 1203.294512]  __do_fault+0x111/0x480
[ 1203.298142]  __handle_mm_fault+0x2d78/0x3f80
[ 1203.302564]  ? copy_page_range+0x2030/0x2030
[ 1203.307012]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1203.311700]  handle_mm_fault+0x1b5/0x690
[ 1203.315776]  __do_page_fault+0x62a/0xe90
[ 1203.319931]  ? vmalloc_fault+0x740/0x740
[ 1203.324080]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1203.329118]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1203.334062]  ? page_fault+0x8/0x30
[ 1203.337609]  do_page_fault+0x71/0x57d
[ 1203.341553]  ? page_fault+0x8/0x30
[ 1203.345109]  page_fault+0x1e/0x30
[ 1203.348555] RIP: 0033:0x45b153
[ 1203.351762] Code: Bad RIP value.
[ 1203.355231] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1203.360591] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1203.367869] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1203.375142] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1203.382403] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1203.389664] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1203.396965] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1203.397022] aoe: skb alloc failure
[ 1203.404811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1203.404838] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1203.404845] Call Trace:
[ 1203.404852]  <IRQ>
[ 1203.404873]  dump_stack+0x197/0x210
[ 1203.408420] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1203.417760]  warn_alloc.cold+0x7b/0x173
[ 1203.424830] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1203.427533]  ? zone_watermark_ok_safe+0x260/0x260
[ 1203.457038]  ? __cpuset_node_allowed+0x136/0x540
[ 1203.461851]  ? __isolate_free_page+0x4c0/0x4c0
[ 1203.466451]  ? wake_all_kswapds+0x14d/0x300
[ 1203.470810]  __alloc_pages_slowpath+0x2214/0x2870
[ 1203.475678]  ? warn_alloc+0x110/0x110
[ 1203.479488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1203.485036]  ? should_fail+0x14d/0x85c
[ 1203.488948]  ? __isolate_free_page+0x4c0/0x4c0
[ 1203.493652]  __alloc_pages_nodemask+0x617/0x750
[ 1203.498332]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1203.503355]  ? mark_held_locks+0x100/0x100
[ 1203.507604]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1203.512712]  page_frag_alloc+0x541/0x670
[ 1203.516774]  ? check_preemption_disabled+0x48/0x290
[ 1203.521808]  __netdev_alloc_skb+0x20a/0x470
[ 1203.526143]  send_hsr_supervision_frame+0x110/0xfc0
[ 1203.531191]  ? lock_acquire+0x16f/0x3f0
[ 1203.535171]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1203.540205]  hsr_announce+0x12f/0x3b0
[ 1203.544018]  call_timer_fn+0x18d/0x720
[ 1203.547905]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1203.553105]  ? process_timeout+0x40/0x40
[ 1203.557339]  ? run_timer_softirq+0x644/0x16a0
[ 1203.561845]  ? trace_hardirqs_on+0x67/0x220
[ 1203.566168]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1203.571385]  run_timer_softirq+0x64f/0x16a0
[ 1203.575732]  ? add_timer+0xbe0/0xbe0
[ 1203.579458]  ? __lock_is_held+0xb6/0x140
[ 1203.583539]  __do_softirq+0x25c/0x921
[ 1203.587350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1203.592895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1203.598451]  irq_exit+0x180/0x1d0
[ 1203.601905]  smp_apic_timer_interrupt+0x13b/0x550
[ 1203.606868]  apic_timer_interrupt+0xf/0x20
[ 1203.611105]  </IRQ>
[ 1203.613463] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1203.618398] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1203.637305] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1203.645025] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1203.652292] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1203.659564] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1203.666840] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1203.674104] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1203.682359]  ? find_held_lock+0x35/0x130
[ 1203.686431]  ? process_one_work+0x890/0x1750
[ 1203.690850]  skb_clone+0x156/0x3e0
[ 1203.694396]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1203.700742]  process_one_work+0x989/0x1750
[ 1203.705086]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1203.709761]  ? lock_acquire+0x16f/0x3f0
[ 1203.713736]  ? kasan_check_write+0x14/0x20
[ 1203.717975]  ? do_raw_spin_lock+0xd7/0x250
[ 1203.722346]  worker_thread+0x98/0xe40
[ 1203.726153]  ? trace_hardirqs_on+0x67/0x220
[ 1203.730484]  kthread+0x354/0x420
[ 1203.733861]  ? process_one_work+0x1750/0x1750
[ 1203.738441]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1203.743992]  ret_from_fork+0x24/0x30
[ 1203.747730] warn_alloc_show_mem: 1 callbacks suppressed
[ 1203.747740] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1203.747742] Mem-Info:
[ 1203.747772] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1203.747772]  active_file:13 inactive_file:13 isolated_file:0
[ 1203.747772]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1203.747772]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1203.747772]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1203.747772]  free:10948 free_pcp:188 free_cma:0
[ 1203.753241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1203.753251] Call Trace:
[ 1203.760719] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1203.763124]  <IRQ>
[ 1203.796372] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1203.805715]  dump_stack+0x197/0x210
[ 1203.808293] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1203.835918]  warn_alloc.cold+0x7b/0x173
[ 1203.838041] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1203.864101]  ? zone_watermark_ok_safe+0x260/0x260
[ 1203.867712] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1203.893869]  ? __cpuset_node_allowed+0x136/0x540
[ 1203.897814] lowmem_reserve[]: 0 0 1 1 1
[ 1203.902849]  ? __isolate_free_page+0x4c0/0x4c0
[ 1203.907680] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1203.936729]  ? wake_all_kswapds+0x14d/0x300
[ 1203.941634] lowmem_reserve[]: 0 0 0 0 0
[ 1203.945672]  __alloc_pages_slowpath+0x2214/0x2870
[ 1203.950224] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1203.976218]  ? warn_alloc+0x110/0x110
[ 1203.980518] lowmem_reserve[]: 0 0 0 0 0
[ 1203.984662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1203.989498] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1204.017289]  ? should_fail+0x14d/0x85c
[ 1204.021088] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1204.025063]  ? __isolate_free_page+0x4c0/0x4c0
[ 1204.030586] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1204.043872]  __alloc_pages_nodemask+0x617/0x750
[ 1204.047725] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1204.063018]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1204.067690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1204.078377]  cache_grow_begin+0x91/0x8c0
[ 1204.083013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1204.098800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1204.103807] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1204.103822] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1204.112660]  ? __cpuset_node_allowed+0x136/0x540
[ 1204.116709] 279 total pagecache pages
[ 1204.125288]  fallback_alloc+0x1fd/0x2d0
[ 1204.130824] 0 pages in swap cache
[ 1204.139675]  ____cache_alloc_node+0x1be/0x1e0
[ 1204.148244] Swap cache stats: add 0, delete 0, find 0/0
[ 1204.148255] Free swap  = 0kB
[ 1204.153034]  kmem_cache_alloc_node+0xe3/0x710
[ 1204.156803] Total swap = 0kB
[ 1204.160789]  __alloc_skb+0xd5/0x5f0
[ 1204.164238] 1965979 pages RAM
[ 1204.168737]  ? skb_trim+0x190/0x190
[ 1204.174075] 0 pages HighMem/MovableOnly
[ 1204.174085] 341741 pages reserved
[ 1204.177105]  ? check_preemption_disabled+0x48/0x290
[ 1204.181572] 0 pages cma reserved
[ 1204.181812] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1204.184612]  ? lock_acquire+0x16f/0x3f0
[ 1204.188232] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1204.191340]  new_skb+0x28/0x1d0
[ 1204.233254]  aoecmd_cfg+0x1b5/0x640
[ 1204.236896]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1204.241227]  ? timer_reduce+0x11d0/0x11d0
[ 1204.245379]  discover_timer+0x4e/0x60
[ 1204.249189]  call_timer_fn+0x18d/0x720
[ 1204.253086]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1204.257781]  ? process_timeout+0x40/0x40
[ 1204.261859]  ? run_timer_softirq+0x644/0x16a0
[ 1204.266365]  ? trace_hardirqs_on+0x67/0x220
[ 1204.270691]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1204.275365]  run_timer_softirq+0x64f/0x16a0
[ 1204.279698]  ? add_timer+0xbe0/0xbe0
[ 1204.283408]  ? __lock_is_held+0xb6/0x140
[ 1204.287496]  __do_softirq+0x25c/0x921
[ 1204.291302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1204.296862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1204.302467]  irq_exit+0x180/0x1d0
[ 1204.305941]  smp_apic_timer_interrupt+0x13b/0x550
[ 1204.310794]  apic_timer_interrupt+0xf/0x20
[ 1204.315030]  </IRQ>
[ 1204.317293] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1204.322136] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1204.341052] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1204.348861] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1204.356128] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1204.363404] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1204.370681] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1204.377971] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1204.385254]  ? netconsole_netdev_event+0x280/0x280
[ 1204.390200]  ? console_unlock+0xf36/0x10d0
[ 1204.394461]  vprintk_emit+0x280/0x6d0
[ 1204.398261]  vprintk_default+0x28/0x30
[ 1204.402155]  vprintk_func+0x7e/0x189
[ 1204.405882]  printk+0xba/0xed
[ 1204.408999]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1204.413772]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1204.418283]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1204.423346]  dump_header+0x44b/0xa55
[ 1204.427058]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1204.432155]  ? ___ratelimit+0x60/0x595
[ 1204.436047]  ? do_raw_spin_unlock+0x181/0x270
[ 1204.440563]  oom_kill_process.cold+0x10/0x6ef
[ 1204.445154]  ? lock_downgrade+0x880/0x880
[ 1204.449325]  ? kasan_check_read+0x11/0x20
[ 1204.453473]  out_of_memory+0x362/0x1330
[ 1204.457497]  ? oom_killer_disable+0x280/0x280
[ 1204.462053]  ? mutex_trylock+0x18e/0x1e0
[ 1204.466131]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1204.471080]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1204.475951]  ? warn_alloc+0x110/0x110
[ 1204.479759]  ? __lock_is_held+0xb6/0x140
[ 1204.483821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1204.489354]  ? should_fail+0x14d/0x85c
[ 1204.493244]  ? __might_sleep+0x95/0x190
[ 1204.497232]  __alloc_pages_nodemask+0x617/0x750
[ 1204.502030]  ? kasan_check_read+0x11/0x20
[ 1204.506176]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1204.511190]  ? find_get_entry+0x3e1/0xa00
[ 1204.515343]  ? find_get_pages_contig+0xed0/0xed0
[ 1204.520097]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1204.525654]  alloc_pages_current+0x107/0x210
[ 1204.530079]  __page_cache_alloc+0x2bd/0x450
[ 1204.534399]  ? kasan_check_read+0x11/0x20
[ 1204.538558]  filemap_fault+0xfeb/0x1f00
[ 1204.542619]  ? lock_downgrade+0x880/0x880
[ 1204.546771]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1204.551465]  ? lock_acquire+0x16f/0x3f0
[ 1204.555438]  ? ext4_filemap_fault+0x7b/0xaf
[ 1204.559774]  ext4_filemap_fault+0x83/0xaf
[ 1204.563935]  __do_fault+0x111/0x480
[ 1204.567658]  __handle_mm_fault+0x2d78/0x3f80
[ 1204.572068]  ? copy_page_range+0x2030/0x2030
[ 1204.576488]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1204.581164]  handle_mm_fault+0x1b5/0x690
[ 1204.585226]  __do_page_fault+0x62a/0xe90
[ 1204.589308]  ? vmalloc_fault+0x740/0x740
[ 1204.593366]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1204.598376]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1204.603423]  ? page_fault+0x8/0x30
[ 1204.606965]  do_page_fault+0x71/0x57d
[ 1204.610773]  ? page_fault+0x8/0x30
[ 1204.614319]  page_fault+0x1e/0x30
[ 1204.617764] RIP: 0033:0x45b153
[ 1204.620962] Code: Bad RIP value.
[ 1204.624319] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1204.629686] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1204.636968] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1204.644245] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1204.651523] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1204.658815] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1204.666106] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1204.666172] aoe: skb alloc failure
[ 1204.673844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1204.673872] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1204.673878] Call Trace:
[ 1204.673885]  <IRQ>
[ 1204.673904]  dump_stack+0x197/0x210
[ 1204.673924]  warn_alloc.cold+0x7b/0x173
[ 1204.677501] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1204.686849]  ? zone_watermark_ok_safe+0x260/0x260
[ 1204.693923] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1204.696634]  ? __cpuset_node_allowed+0x136/0x540
[ 1204.730876]  ? __isolate_free_page+0x4c0/0x4c0
[ 1204.735462]  ? wake_all_kswapds+0x14d/0x300
[ 1204.739944]  __alloc_pages_slowpath+0x2214/0x2870
[ 1204.744825]  ? warn_alloc+0x110/0x110
[ 1204.748640]  ? __lock_acquire+0x6ee/0x49c0
[ 1204.752896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1204.758441]  ? should_fail+0x14d/0x85c
[ 1204.762353]  ? __isolate_free_page+0x4c0/0x4c0
[ 1204.766938]  __alloc_pages_nodemask+0x617/0x750
[ 1204.771619]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1204.776636]  ? find_held_lock+0x35/0x130
[ 1204.780703]  cache_grow_begin+0x91/0x8c0
[ 1204.784764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1204.790313]  ? __cpuset_node_allowed+0x136/0x540
[ 1204.795068]  fallback_alloc+0x1fd/0x2d0
[ 1204.799059]  ____cache_alloc_node+0x1be/0x1e0
[ 1204.803555]  kmem_cache_alloc_node+0xe3/0x710
[ 1204.808044]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1204.812278]  __alloc_skb+0xd5/0x5f0
[ 1204.815915]  ? skb_trim+0x190/0x190
[ 1204.819546]  ? kasan_check_read+0x11/0x20
[ 1204.823698]  ndisc_alloc_skb+0x13c/0x340
[ 1204.827767]  ndisc_send_rs+0x35f/0x6e0
[ 1204.831668]  addrconf_rs_timer+0x30f/0x680
[ 1204.836017]  ? ipv6_get_lladdr+0x490/0x490
[ 1204.840376]  call_timer_fn+0x18d/0x720
[ 1204.844270]  ? ipv6_get_lladdr+0x490/0x490
[ 1204.848501]  ? process_timeout+0x40/0x40
[ 1204.852568]  ? run_timer_softirq+0x644/0x16a0
[ 1204.857079]  ? trace_hardirqs_on+0x67/0x220
[ 1204.861410]  ? ipv6_get_lladdr+0x490/0x490
[ 1204.865635]  run_timer_softirq+0x64f/0x16a0
[ 1204.870076]  ? add_timer+0xbe0/0xbe0
[ 1204.873794]  ? __lock_is_held+0xb6/0x140
[ 1204.877860]  __do_softirq+0x25c/0x921
[ 1204.881662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1204.887190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1204.892734]  irq_exit+0x180/0x1d0
[ 1204.896200]  smp_apic_timer_interrupt+0x13b/0x550
[ 1204.901041]  apic_timer_interrupt+0xf/0x20
[ 1204.905398]  </IRQ>
[ 1204.907635] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1204.912565] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1204.931580] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1204.939306] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1204.946578] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1204.953939] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1204.961307] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1204.968579] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1204.975875]  ? find_held_lock+0x35/0x130
[ 1204.979931]  ? process_one_work+0x890/0x1750
[ 1204.984347]  skb_clone+0x156/0x3e0
[ 1204.987887]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1204.994204]  process_one_work+0x989/0x1750
[ 1204.998445]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1205.003126]  ? lock_acquire+0x16f/0x3f0
[ 1205.007093]  ? kasan_check_write+0x14/0x20
[ 1205.011453]  ? do_raw_spin_lock+0xd7/0x250
[ 1205.015703]  worker_thread+0x98/0xe40
[ 1205.019498]  ? trace_hardirqs_on+0x67/0x220
[ 1205.023941]  kthread+0x354/0x420
[ 1205.027315]  ? process_one_work+0x1750/0x1750
[ 1205.031829]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1205.037366]  ret_from_fork+0x24/0x30
[ 1205.041104] warn_alloc_show_mem: 1 callbacks suppressed
[ 1205.041115] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1205.041119] Mem-Info:
[ 1205.041149] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1205.041149]  active_file:13 inactive_file:13 isolated_file:0
[ 1205.041149]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1205.041149]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1205.041149]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1205.041149]  free:10948 free_pcp:188 free_cma:0
[ 1205.046491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1205.046501] Call Trace:
[ 1205.053969] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1205.056371]  <IRQ>
[ 1205.089357] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1205.098726]  dump_stack+0x197/0x210
[ 1205.101281] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1205.128896]  warn_alloc.cold+0x7b/0x173
[ 1205.131027] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1205.156901]  ? zone_watermark_ok_safe+0x260/0x260
[ 1205.160507] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1205.186751]  ? __cpuset_node_allowed+0x136/0x540
[ 1205.190703] lowmem_reserve[]: 0 0 1 1 1
[ 1205.195747]  ? __isolate_free_page+0x4c0/0x4c0
[ 1205.200555] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1205.229576]  ? wake_all_kswapds+0x14d/0x300
[ 1205.234457] lowmem_reserve[]: 0 0 0 0 0
[ 1205.238477]  __alloc_pages_slowpath+0x2214/0x2870
[ 1205.243025] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1205.268835]  ? warn_alloc+0x110/0x110
[ 1205.273123] lowmem_reserve[]: 0 0 0 0 0
[ 1205.277143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1205.281954] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1205.309739]  ? should_fail+0x14d/0x85c
[ 1205.313546] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1205.317536]  ? __isolate_free_page+0x4c0/0x4c0
[ 1205.323065] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1205.335572]  __alloc_pages_nodemask+0x617/0x750
[ 1205.339459] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1205.354760]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1205.359331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1205.370456]  cache_grow_begin+0x91/0x8c0
[ 1205.375103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1205.391170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1205.396160] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1205.396173] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1205.405031]  ? __cpuset_node_allowed+0x136/0x540
[ 1205.409073] 279 total pagecache pages
[ 1205.417670]  fallback_alloc+0x1fd/0x2d0
[ 1205.423189] 0 pages in swap cache
[ 1205.432040]  ____cache_alloc_node+0x1be/0x1e0
[ 1205.440600] Swap cache stats: add 0, delete 0, find 0/0
[ 1205.440610] Free swap  = 0kB
[ 1205.445403]  kmem_cache_alloc_node+0xe3/0x710
[ 1205.449187] Total swap = 0kB
[ 1205.453196]  __alloc_skb+0xd5/0x5f0
[ 1205.456624] 1965979 pages RAM
[ 1205.461119]  ? skb_trim+0x190/0x190
[ 1205.466579] 0 pages HighMem/MovableOnly
[ 1205.466589] 341741 pages reserved
[ 1205.472264]  ? check_preemption_disabled+0x48/0x290
[ 1205.476740] 0 pages cma reserved
[ 1205.476819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1205.479788]  ? lock_acquire+0x16f/0x3f0
[ 1205.483500] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1205.486518]  new_skb+0x28/0x1d0
[ 1205.490133] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1205.494128]  aoecmd_cfg+0x1b5/0x640
[ 1205.538710]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1205.543139]  ? timer_reduce+0x11d0/0x11d0
[ 1205.547310]  discover_timer+0x4e/0x60
[ 1205.551126]  call_timer_fn+0x18d/0x720
[ 1205.555035]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1205.559745]  ? process_timeout+0x40/0x40
[ 1205.563821]  ? run_timer_softirq+0x644/0x16a0
[ 1205.568351]  ? trace_hardirqs_on+0x67/0x220
[ 1205.572676]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1205.577471]  run_timer_softirq+0x64f/0x16a0
[ 1205.581828]  ? add_timer+0xbe0/0xbe0
[ 1205.585542]  ? __lock_is_held+0xb6/0x140
[ 1205.589623]  __do_softirq+0x25c/0x921
[ 1205.593443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1205.599090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1205.604636]  irq_exit+0x180/0x1d0
[ 1205.608103]  smp_apic_timer_interrupt+0x13b/0x550
[ 1205.612965]  apic_timer_interrupt+0xf/0x20
[ 1205.617189]  </IRQ>
[ 1205.619422] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1205.624370] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1205.643294] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1205.651075] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1205.658352] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1205.665624] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1205.672894] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1205.680166] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1205.687456]  ? netconsole_netdev_event+0x280/0x280
[ 1205.692398]  ? console_unlock+0xf36/0x10d0
[ 1205.696700]  vprintk_emit+0x280/0x6d0
[ 1205.700518]  vprintk_default+0x28/0x30
[ 1205.704409]  vprintk_func+0x7e/0x189
[ 1205.708142]  printk+0xba/0xed
[ 1205.711256]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1205.716025]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1205.720545]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1205.725602]  dump_header+0x44b/0xa55
[ 1205.729322]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1205.734422]  ? ___ratelimit+0x60/0x595
[ 1205.738329]  ? do_raw_spin_unlock+0x181/0x270
[ 1205.742841]  oom_kill_process.cold+0x10/0x6ef
[ 1205.747350]  ? lock_downgrade+0x880/0x880
[ 1205.751525]  ? kasan_check_read+0x11/0x20
[ 1205.755695]  out_of_memory+0x362/0x1330
[ 1205.759801]  ? oom_killer_disable+0x280/0x280
[ 1205.764309]  ? mutex_trylock+0x18e/0x1e0
[ 1205.768379]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1205.773326]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1205.778202]  ? warn_alloc+0x110/0x110
[ 1205.782024]  ? __lock_is_held+0xb6/0x140
[ 1205.786107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1205.791670]  ? should_fail+0x14d/0x85c
[ 1205.795685]  ? __might_sleep+0x95/0x190
[ 1205.799661]  __alloc_pages_nodemask+0x617/0x750
[ 1205.804330]  ? kasan_check_read+0x11/0x20
[ 1205.808497]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1205.813533]  ? find_get_entry+0x3e1/0xa00
[ 1205.817714]  ? find_get_pages_contig+0xed0/0xed0
[ 1205.822560]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1205.828112]  alloc_pages_current+0x107/0x210
[ 1205.832539]  __page_cache_alloc+0x2bd/0x450
[ 1205.836861]  ? kasan_check_read+0x11/0x20
[ 1205.841053]  filemap_fault+0xfeb/0x1f00
[ 1205.845036]  ? lock_downgrade+0x880/0x880
[ 1205.849188]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1205.853964]  ? lock_acquire+0x16f/0x3f0
[ 1205.857939]  ? ext4_filemap_fault+0x7b/0xaf
[ 1205.862273]  ext4_filemap_fault+0x83/0xaf
[ 1205.866420]  __do_fault+0x111/0x480
[ 1205.870044]  __handle_mm_fault+0x2d78/0x3f80
[ 1205.874456]  ? copy_page_range+0x2030/0x2030
[ 1205.878912]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1205.883590]  handle_mm_fault+0x1b5/0x690
[ 1205.887663]  __do_page_fault+0x62a/0xe90
[ 1205.891746]  ? vmalloc_fault+0x740/0x740
[ 1205.895816]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1205.900822]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1205.905753]  ? page_fault+0x8/0x30
[ 1205.909291]  do_page_fault+0x71/0x57d
[ 1205.913105]  ? page_fault+0x8/0x30
[ 1205.916643]  page_fault+0x1e/0x30
[ 1205.920098] RIP: 0033:0x45b153
[ 1205.923298] Code: Bad RIP value.
[ 1205.926663] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1205.932030] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1205.939299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1205.946602] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1205.953878] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1205.961142] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1205.968442] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1205.968501] aoe: skb alloc failure
[ 1205.976161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1205.976187] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1205.979922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1205.989603] Call Trace:
[ 1205.996708] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1206.006942]  <IRQ>
[ 1206.016393]  dump_stack+0x197/0x210
[ 1206.020020]  warn_alloc.cold+0x7b/0x173
[ 1206.024010]  ? zone_watermark_ok_safe+0x260/0x260
[ 1206.028870]  ? __cpuset_node_allowed+0x136/0x540
[ 1206.033631]  ? __isolate_free_page+0x4c0/0x4c0
[ 1206.038230]  ? wake_all_kswapds+0x14d/0x300
[ 1206.042558]  __alloc_pages_slowpath+0x2214/0x2870
[ 1206.047459]  ? warn_alloc+0x110/0x110
[ 1206.051265]  ? __lock_acquire+0x6ee/0x49c0
[ 1206.055510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1206.061045]  ? should_fail+0x14d/0x85c
[ 1206.064941]  ? __isolate_free_page+0x4c0/0x4c0
[ 1206.069522]  __alloc_pages_nodemask+0x617/0x750
[ 1206.074186]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1206.079213]  ? find_held_lock+0x35/0x130
[ 1206.083268]  cache_grow_begin+0x91/0x8c0
[ 1206.087329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1206.092878]  ? __cpuset_node_allowed+0x136/0x540
[ 1206.097638]  fallback_alloc+0x1fd/0x2d0
[ 1206.101632]  ____cache_alloc_node+0x1be/0x1e0
[ 1206.106156]  kmem_cache_alloc_node+0xe3/0x710
[ 1206.110685]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1206.114945]  __alloc_skb+0xd5/0x5f0
[ 1206.118569]  ? skb_trim+0x190/0x190
[ 1206.122191]  ? kasan_check_read+0x11/0x20
[ 1206.126365]  ndisc_alloc_skb+0x13c/0x340
[ 1206.130448]  ndisc_send_rs+0x35f/0x6e0
[ 1206.134340]  addrconf_rs_timer+0x30f/0x680
[ 1206.138676]  ? ipv6_get_lladdr+0x490/0x490
[ 1206.142925]  call_timer_fn+0x18d/0x720
[ 1206.146813]  ? ipv6_get_lladdr+0x490/0x490
[ 1206.151065]  ? process_timeout+0x40/0x40
[ 1206.155124]  ? run_timer_softirq+0x644/0x16a0
[ 1206.159753]  ? trace_hardirqs_on+0x67/0x220
[ 1206.164284]  ? ipv6_get_lladdr+0x490/0x490
[ 1206.168527]  run_timer_softirq+0x64f/0x16a0
[ 1206.172868]  ? add_timer+0xbe0/0xbe0
[ 1206.176591]  ? __lock_is_held+0xb6/0x140
[ 1206.180661]  __do_softirq+0x25c/0x921
[ 1206.184478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1206.190028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1206.195585]  irq_exit+0x180/0x1d0
[ 1206.199048]  smp_apic_timer_interrupt+0x13b/0x550
[ 1206.204168]  apic_timer_interrupt+0xf/0x20
[ 1206.208525]  </IRQ>
[ 1206.210765] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1206.215694] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1206.234630] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1206.242479] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1206.250294] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1206.257651] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1206.264931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1206.272214] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1206.279525]  ? find_held_lock+0x35/0x130
[ 1206.283624]  ? process_one_work+0x890/0x1750
[ 1206.288041]  skb_clone+0x156/0x3e0
[ 1206.291616]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1206.297972]  process_one_work+0x989/0x1750
[ 1206.302230]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1206.306918]  ? lock_acquire+0x16f/0x3f0
[ 1206.310918]  ? kasan_check_write+0x14/0x20
[ 1206.315170]  ? do_raw_spin_lock+0xd7/0x250
[ 1206.319425]  worker_thread+0x98/0xe40
[ 1206.323243]  ? trace_hardirqs_on+0x67/0x220
[ 1206.327601]  kthread+0x354/0x420
[ 1206.330973]  ? process_one_work+0x1750/0x1750
[ 1206.335481]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1206.341040]  ret_from_fork+0x24/0x30
[ 1206.344789] warn_alloc_show_mem: 1 callbacks suppressed
[ 1206.344800] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1206.344802] Mem-Info:
[ 1206.344831] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1206.344831]  active_file:13 inactive_file:13 isolated_file:0
[ 1206.344831]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1206.344831]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1206.344831]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1206.344831]  free:10948 free_pcp:188 free_cma:0
[ 1206.350182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1206.357770] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1206.360168] Call Trace:
[ 1206.393619] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1206.402952]  <IRQ>
[ 1206.431061] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1206.433804]  dump_stack+0x197/0x210
[ 1206.472402] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1206.474734]  warn_alloc.cold+0x7b/0x173
[ 1206.500843] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1206.504551]  ? zone_watermark_ok_safe+0x260/0x260
[ 1206.509637] lowmem_reserve[]: 0 0 1 1 1
[ 1206.514226]  ? __cpuset_node_allowed+0x136/0x540
[ 1206.543230] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1206.548105]  ? __isolate_free_page+0x4c0/0x4c0
[ 1206.552071] lowmem_reserve[]: 0 0 0 0 0
[ 1206.556837]  ? wake_all_kswapds+0x14d/0x300
[ 1206.583524] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1206.588133]  __alloc_pages_slowpath+0x2214/0x2870
[ 1206.592077] lowmem_reserve[]: 0 0 0 0 0
[ 1206.596479]  ? warn_alloc+0x110/0x110
[ 1206.624225] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1206.629101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1206.633057] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1206.636887]  ? should_fail+0x14d/0x85c
[ 1206.649464] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1206.655040]  ? __isolate_free_page+0x4c0/0x4c0
[ 1206.670307] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1206.674255]  __alloc_pages_nodemask+0x617/0x750
[ 1206.685034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1206.689626]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1206.705398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1206.710194]  cache_grow_begin+0x91/0x8c0
[ 1206.719007] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1206.724017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1206.732587] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1206.736663]  ? __cpuset_node_allowed+0x136/0x540
[ 1206.745490] 279 total pagecache pages
[ 1206.751041]  fallback_alloc+0x1fd/0x2d0
[ 1206.759615] 0 pages in swap cache
[ 1206.764467]  ____cache_alloc_node+0x1be/0x1e0
[ 1206.768241] Swap cache stats: add 0, delete 0, find 0/0
[ 1206.768252] Free swap  = 0kB
[ 1206.772239]  kmem_cache_alloc_node+0xe3/0x710
[ 1206.775679] Total swap = 0kB
[ 1206.780192]  __alloc_skb+0xd5/0x5f0
[ 1206.785642] 1965979 pages RAM
[ 1206.788702]  ? skb_trim+0x190/0x190
[ 1206.793179] 0 pages HighMem/MovableOnly
[ 1206.793188] 341741 pages reserved
[ 1206.796212]  ? check_preemption_disabled+0x48/0x290
[ 1206.799812] 0 pages cma reserved
[ 1206.802911]  ? lock_acquire+0x16f/0x3f0
[ 1206.802934]  new_skb+0x28/0x1d0
[ 1206.806665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1206.810556]  aoecmd_cfg+0x1b5/0x640
[ 1206.814099] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1206.819270]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1206.822637] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1206.826624]  ? timer_reduce+0x11d0/0x11d0
[ 1206.864429]  discover_timer+0x4e/0x60
[ 1206.868256]  call_timer_fn+0x18d/0x720
[ 1206.872143]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1206.876832]  ? process_timeout+0x40/0x40
[ 1206.880903]  ? run_timer_softirq+0x644/0x16a0
[ 1206.885416]  ? trace_hardirqs_on+0x67/0x220
[ 1206.889757]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1206.894438]  run_timer_softirq+0x64f/0x16a0
[ 1206.898768]  ? add_timer+0xbe0/0xbe0
[ 1206.902486]  ? __lock_is_held+0xb6/0x140
[ 1206.906563]  __do_softirq+0x25c/0x921
[ 1206.910378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1206.915928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1206.921516]  irq_exit+0x180/0x1d0
[ 1206.924990]  smp_apic_timer_interrupt+0x13b/0x550
[ 1206.929836]  apic_timer_interrupt+0xf/0x20
[ 1206.934062]  </IRQ>
[ 1206.936296] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1206.941146] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1206.960146] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1206.967888] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1206.975171] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1206.982438] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1206.989835] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1206.997122] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1207.005110]  ? netconsole_netdev_event+0x280/0x280
[ 1207.010072]  ? console_unlock+0xf36/0x10d0
[ 1207.014340]  vprintk_emit+0x280/0x6d0
[ 1207.018176]  vprintk_default+0x28/0x30
[ 1207.022059]  vprintk_func+0x7e/0x189
[ 1207.025786]  printk+0xba/0xed
[ 1207.028932]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1207.033698]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1207.038337]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1207.043359]  dump_header+0x44b/0xa55
[ 1207.047199]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1207.052299]  ? ___ratelimit+0x60/0x595
[ 1207.056197]  ? do_raw_spin_unlock+0x181/0x270
[ 1207.060698]  oom_kill_process.cold+0x10/0x6ef
[ 1207.065209]  ? lock_downgrade+0x880/0x880
[ 1207.069418]  ? kasan_check_read+0x11/0x20
[ 1207.073588]  out_of_memory+0x362/0x1330
[ 1207.077580]  ? oom_killer_disable+0x280/0x280
[ 1207.082091]  ? mutex_trylock+0x18e/0x1e0
[ 1207.086151]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1207.091092]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1207.095969]  ? warn_alloc+0x110/0x110
[ 1207.099769]  ? __lock_is_held+0xb6/0x140
[ 1207.103845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1207.109381]  ? should_fail+0x14d/0x85c
[ 1207.113289]  ? __might_sleep+0x95/0x190
[ 1207.117279]  __alloc_pages_nodemask+0x617/0x750
[ 1207.121951]  ? kasan_check_read+0x11/0x20
[ 1207.126110]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1207.131159]  ? find_get_entry+0x3e1/0xa00
[ 1207.135315]  ? find_get_pages_contig+0xed0/0xed0
[ 1207.140086]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1207.145647]  alloc_pages_current+0x107/0x210
[ 1207.150068]  __page_cache_alloc+0x2bd/0x450
[ 1207.154403]  ? kasan_check_read+0x11/0x20
[ 1207.158574]  filemap_fault+0xfeb/0x1f00
[ 1207.162554]  ? lock_downgrade+0x880/0x880
[ 1207.166724]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1207.171407]  ? lock_acquire+0x16f/0x3f0
[ 1207.175421]  ? ext4_filemap_fault+0x7b/0xaf
[ 1207.179778]  ext4_filemap_fault+0x83/0xaf
[ 1207.183935]  __do_fault+0x111/0x480
[ 1207.187607]  __handle_mm_fault+0x2d78/0x3f80
[ 1207.192025]  ? copy_page_range+0x2030/0x2030
[ 1207.196469]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1207.201153]  handle_mm_fault+0x1b5/0x690
[ 1207.205342]  __do_page_fault+0x62a/0xe90
[ 1207.209454]  ? vmalloc_fault+0x740/0x740
[ 1207.213521]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1207.218533]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1207.223461]  ? page_fault+0x8/0x30
[ 1207.227033]  do_page_fault+0x71/0x57d
[ 1207.230859]  ? page_fault+0x8/0x30
[ 1207.234418]  page_fault+0x1e/0x30
[ 1207.237869] RIP: 0033:0x45b153
[ 1207.241077] Code: Bad RIP value.
[ 1207.244458] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1207.249825] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1207.257203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1207.264495] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1207.271774] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1207.279052] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1207.286350] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1207.286427] aoe: skb alloc failure
[ 1207.294084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1207.294110] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1207.297691] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1207.307055] Call Trace:
[ 1207.314158] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1207.324404]  <IRQ>
[ 1207.333938]  dump_stack+0x197/0x210
[ 1207.337588]  warn_alloc.cold+0x7b/0x173
[ 1207.341564]  ? zone_watermark_ok_safe+0x260/0x260
[ 1207.346411]  ? __cpuset_node_allowed+0x136/0x540
[ 1207.351201]  ? __isolate_free_page+0x4c0/0x4c0
[ 1207.355832]  ? wake_all_kswapds+0x14d/0x300
[ 1207.360159]  __alloc_pages_slowpath+0x2214/0x2870
[ 1207.365036]  ? warn_alloc+0x110/0x110
[ 1207.368856]  ? __lock_acquire+0x6ee/0x49c0
[ 1207.373101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1207.378650]  ? should_fail+0x14d/0x85c
[ 1207.382563]  ? __isolate_free_page+0x4c0/0x4c0
[ 1207.387162]  __alloc_pages_nodemask+0x617/0x750
[ 1207.391977]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1207.397054]  ? find_held_lock+0x35/0x130
[ 1207.401145]  cache_grow_begin+0x91/0x8c0
[ 1207.405209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1207.411096]  ? __cpuset_node_allowed+0x136/0x540
[ 1207.415942]  fallback_alloc+0x1fd/0x2d0
[ 1207.419935]  ____cache_alloc_node+0x1be/0x1e0
[ 1207.424449]  kmem_cache_alloc_node+0xe3/0x710
[ 1207.428982]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1207.433235]  __alloc_skb+0xd5/0x5f0
[ 1207.436880]  ? skb_trim+0x190/0x190
[ 1207.440520]  ? kasan_check_read+0x11/0x20
[ 1207.444690]  ndisc_alloc_skb+0x13c/0x340
[ 1207.448798]  ndisc_send_rs+0x35f/0x6e0
[ 1207.452709]  addrconf_rs_timer+0x30f/0x680
[ 1207.456952]  ? ipv6_get_lladdr+0x490/0x490
[ 1207.461216]  call_timer_fn+0x18d/0x720
[ 1207.465121]  ? ipv6_get_lladdr+0x490/0x490
[ 1207.469351]  ? process_timeout+0x40/0x40
[ 1207.473406]  ? run_timer_softirq+0x644/0x16a0
[ 1207.477917]  ? trace_hardirqs_on+0x67/0x220
[ 1207.482251]  ? ipv6_get_lladdr+0x490/0x490
[ 1207.486477]  run_timer_softirq+0x64f/0x16a0
[ 1207.490826]  ? add_timer+0xbe0/0xbe0
[ 1207.494665]  ? __lock_is_held+0xb6/0x140
[ 1207.498742]  __do_softirq+0x25c/0x921
[ 1207.502541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1207.508069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1207.513611]  irq_exit+0x180/0x1d0
[ 1207.517058]  smp_apic_timer_interrupt+0x13b/0x550
[ 1207.521897]  apic_timer_interrupt+0xf/0x20
[ 1207.526117]  </IRQ>
[ 1207.528349] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1207.533285] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1207.552198] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1207.559944] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1207.567300] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1207.574564] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1207.581838] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1207.589112] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1207.596413]  ? find_held_lock+0x35/0x130
[ 1207.600482]  ? process_one_work+0x890/0x1750
[ 1207.604886]  skb_clone+0x156/0x3e0
[ 1207.608423]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1207.614772]  process_one_work+0x989/0x1750
[ 1207.619009]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1207.623701]  ? lock_acquire+0x16f/0x3f0
[ 1207.627698]  ? kasan_check_write+0x14/0x20
[ 1207.631942]  ? do_raw_spin_lock+0xd7/0x250
[ 1207.636326]  worker_thread+0x98/0xe40
[ 1207.640140]  ? trace_hardirqs_on+0x67/0x220
[ 1207.644476]  kthread+0x354/0x420
[ 1207.647838]  ? process_one_work+0x1750/0x1750
[ 1207.652325]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1207.657880]  ret_from_fork+0x24/0x30
[ 1207.661609] warn_alloc_show_mem: 1 callbacks suppressed
[ 1207.661619] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1207.661621] Mem-Info:
[ 1207.661649] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1207.661649]  active_file:13 inactive_file:13 isolated_file:0
[ 1207.661649]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1207.661649]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1207.661649]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1207.661649]  free:10948 free_pcp:188 free_cma:0
[ 1207.666990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1207.674438] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1207.676830] Call Trace:
[ 1207.709801] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1207.719138]  <IRQ>
[ 1207.746738] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1207.749335]  dump_stack+0x197/0x210
[ 1207.775247] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1207.777437]  warn_alloc.cold+0x7b/0x173
[ 1207.803521] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1207.807523]  ? zone_watermark_ok_safe+0x260/0x260
[ 1207.812528] lowmem_reserve[]: 0 0 1 1 1
[ 1207.816517]  ? __cpuset_node_allowed+0x136/0x540
[ 1207.845292] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1207.850142]  ? __isolate_free_page+0x4c0/0x4c0
[ 1207.854093] lowmem_reserve[]: 0 0 0 0 0
[ 1207.858864]  ? wake_all_kswapds+0x14d/0x300
[ 1207.884621] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1207.889218]  __alloc_pages_slowpath+0x2214/0x2870
[ 1207.893159] lowmem_reserve[]: 0 0 0 0 0
[ 1207.897530]  ? warn_alloc+0x110/0x110
[ 1207.925265] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1207.930165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1207.934117] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1207.937939]  ? should_fail+0x14d/0x85c
[ 1207.950406] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1207.955968]  ? __isolate_free_page+0x4c0/0x4c0
[ 1207.971199] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1207.975103]  __alloc_pages_nodemask+0x617/0x750
[ 1207.985737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1207.990314]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1208.006153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1208.006166] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1208.010941]  cache_grow_begin+0x91/0x8c0
[ 1208.019760] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1208.024790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1208.033343] 279 total pagecache pages
[ 1208.042178]  ? __cpuset_node_allowed+0x136/0x540
[ 1208.046240] 0 pages in swap cache
[ 1208.054827]  fallback_alloc+0x1fd/0x2d0
[ 1208.060346] Swap cache stats: add 0, delete 0, find 0/0
[ 1208.064226]  ____cache_alloc_node+0x1be/0x1e0
[ 1208.068953] Free swap  = 0kB
[ 1208.072401]  kmem_cache_alloc_node+0xe3/0x710
[ 1208.076364] Total swap = 0kB
[ 1208.076373] 1965979 pages RAM
[ 1208.081755]  __alloc_skb+0xd5/0x5f0
[ 1208.086240] 0 pages HighMem/MovableOnly
[ 1208.086249] 341741 pages reserved
[ 1208.089268]  ? skb_trim+0x190/0x190
[ 1208.093742] 0 pages cma reserved
[ 1208.096768]  ? check_preemption_disabled+0x48/0x290
[ 1208.099916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1208.103492]  ? lock_acquire+0x16f/0x3f0
[ 1208.103517]  new_skb+0x28/0x1d0
[ 1208.103530]  aoecmd_cfg+0x1b5/0x640
[ 1208.103548]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1208.107560] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1208.110975]  ? timer_reduce+0x11d0/0x11d0
[ 1208.114576] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1208.117949]  discover_timer+0x4e/0x60
[ 1208.167791]  call_timer_fn+0x18d/0x720
[ 1208.171692]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1208.176364]  ? process_timeout+0x40/0x40
[ 1208.180418]  ? run_timer_softirq+0x644/0x16a0
[ 1208.184923]  ? trace_hardirqs_on+0x67/0x220
[ 1208.189243]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1208.193981]  run_timer_softirq+0x64f/0x16a0
[ 1208.198305]  ? add_timer+0xbe0/0xbe0
[ 1208.202014]  ? __lock_is_held+0xb6/0x140
[ 1208.206107]  __do_softirq+0x25c/0x921
[ 1208.209902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1208.215429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1208.221053]  irq_exit+0x180/0x1d0
[ 1208.224509]  smp_apic_timer_interrupt+0x13b/0x550
[ 1208.229351]  apic_timer_interrupt+0xf/0x20
[ 1208.233718]  </IRQ>
[ 1208.235996] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1208.240968] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1208.259883] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1208.267692] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1208.274972] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1208.282247] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1208.289513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1208.296777] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1208.304069]  ? netconsole_netdev_event+0x280/0x280
[ 1208.309099]  ? console_unlock+0xf36/0x10d0
[ 1208.313357]  vprintk_emit+0x280/0x6d0
[ 1208.317157]  vprintk_default+0x28/0x30
[ 1208.321043]  vprintk_func+0x7e/0x189
[ 1208.324753]  printk+0xba/0xed
[ 1208.327854]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1208.332621]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1208.337119]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1208.342148]  dump_header+0x44b/0xa55
[ 1208.345856]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1208.350951]  ? ___ratelimit+0x60/0x595
[ 1208.354841]  ? do_raw_spin_unlock+0x181/0x270
[ 1208.359430]  oom_kill_process.cold+0x10/0x6ef
[ 1208.363921]  ? lock_downgrade+0x880/0x880
[ 1208.368064]  ? kasan_check_read+0x11/0x20
[ 1208.372232]  out_of_memory+0x362/0x1330
[ 1208.376211]  ? oom_killer_disable+0x280/0x280
[ 1208.380702]  ? mutex_trylock+0x18e/0x1e0
[ 1208.384774]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1208.389700]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1208.394553]  ? warn_alloc+0x110/0x110
[ 1208.398346]  ? __lock_is_held+0xb6/0x140
[ 1208.402401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1208.407931]  ? should_fail+0x14d/0x85c
[ 1208.411821]  ? __might_sleep+0x95/0x190
[ 1208.415830]  __alloc_pages_nodemask+0x617/0x750
[ 1208.420492]  ? kasan_check_read+0x11/0x20
[ 1208.424649]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1208.429659]  ? find_get_entry+0x3e1/0xa00
[ 1208.433834]  ? find_get_pages_contig+0xed0/0xed0
[ 1208.438591]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1208.445001]  alloc_pages_current+0x107/0x210
[ 1208.449412]  __page_cache_alloc+0x2bd/0x450
[ 1208.453729]  ? kasan_check_read+0x11/0x20
[ 1208.457871]  filemap_fault+0xfeb/0x1f00
[ 1208.461842]  ? lock_downgrade+0x880/0x880
[ 1208.465991]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1208.470658]  ? lock_acquire+0x16f/0x3f0
[ 1208.474625]  ? ext4_filemap_fault+0x7b/0xaf
[ 1208.478963]  ext4_filemap_fault+0x83/0xaf
[ 1208.483104]  __do_fault+0x111/0x480
[ 1208.486724]  __handle_mm_fault+0x2d78/0x3f80
[ 1208.491128]  ? copy_page_range+0x2030/0x2030
[ 1208.495553]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1208.500315]  handle_mm_fault+0x1b5/0x690
[ 1208.504398]  __do_page_fault+0x62a/0xe90
[ 1208.508475]  ? vmalloc_fault+0x740/0x740
[ 1208.512685]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1208.517707]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1208.522745]  ? page_fault+0x8/0x30
[ 1208.526304]  do_page_fault+0x71/0x57d
[ 1208.530105]  ? page_fault+0x8/0x30
[ 1208.533649]  page_fault+0x1e/0x30
[ 1208.537098] RIP: 0033:0x45b153
[ 1208.540331] Code: Bad RIP value.
[ 1208.543701] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1208.549073] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1208.556332] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1208.563609] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1208.570894] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1208.578158] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1208.585450] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1208.585506] aoe: skb alloc failure
[ 1208.593274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1208.593301] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1208.596867] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1208.606202] Call Trace:
[ 1208.606211]  <IRQ>
[ 1208.613316] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1208.623549]  dump_stack+0x197/0x210
[ 1208.636631]  warn_alloc.cold+0x7b/0x173
[ 1208.640608]  ? zone_watermark_ok_safe+0x260/0x260
[ 1208.645454]  ? __cpuset_node_allowed+0x136/0x540
[ 1208.650218]  ? __isolate_free_page+0x4c0/0x4c0
[ 1208.654797]  ? wake_all_kswapds+0x14d/0x300
[ 1208.659171]  __alloc_pages_slowpath+0x2214/0x2870
[ 1208.664070]  ? warn_alloc+0x110/0x110
[ 1208.667899]  ? __lock_acquire+0x6ee/0x49c0
[ 1208.672134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1208.677685]  ? should_fail+0x14d/0x85c
[ 1208.681777]  ? __isolate_free_page+0x4c0/0x4c0
[ 1208.686387]  __alloc_pages_nodemask+0x617/0x750
[ 1208.691053]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1208.696213]  ? find_held_lock+0x35/0x130
[ 1208.700280]  cache_grow_begin+0x91/0x8c0
[ 1208.704340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1208.709996]  ? __cpuset_node_allowed+0x136/0x540
[ 1208.714752]  fallback_alloc+0x1fd/0x2d0
[ 1208.718730]  ____cache_alloc_node+0x1be/0x1e0
[ 1208.723232]  kmem_cache_alloc_node+0xe3/0x710
[ 1208.727728]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1208.731965]  __alloc_skb+0xd5/0x5f0
[ 1208.735589]  ? skb_trim+0x190/0x190
[ 1208.739214]  ? kasan_check_read+0x11/0x20
[ 1208.743386]  ndisc_alloc_skb+0x13c/0x340
[ 1208.747464]  ndisc_send_rs+0x35f/0x6e0
[ 1208.751383]  addrconf_rs_timer+0x30f/0x680
[ 1208.755705]  ? ipv6_get_lladdr+0x490/0x490
[ 1208.759958]  call_timer_fn+0x18d/0x720
[ 1208.763847]  ? ipv6_get_lladdr+0x490/0x490
[ 1208.768074]  ? process_timeout+0x40/0x40
[ 1208.772125]  ? run_timer_softirq+0x644/0x16a0
[ 1208.776615]  ? trace_hardirqs_on+0x67/0x220
[ 1208.780932]  ? ipv6_get_lladdr+0x490/0x490
[ 1208.785162]  run_timer_softirq+0x64f/0x16a0
[ 1208.789482]  ? add_timer+0xbe0/0xbe0
[ 1208.793200]  ? __lock_is_held+0xb6/0x140
[ 1208.797266]  __do_softirq+0x25c/0x921
[ 1208.801058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1208.806583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1208.812135]  irq_exit+0x180/0x1d0
[ 1208.815585]  smp_apic_timer_interrupt+0x13b/0x550
[ 1208.820440]  apic_timer_interrupt+0xf/0x20
[ 1208.824661]  </IRQ>
[ 1208.826889] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1208.831835] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1208.850741] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1208.858443] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1208.865705] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1208.872964] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1208.880238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1208.887516] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1208.894843]  ? find_held_lock+0x35/0x130
[ 1208.898925]  ? process_one_work+0x890/0x1750
[ 1208.903335]  skb_clone+0x156/0x3e0
[ 1208.906879]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1208.913231]  process_one_work+0x989/0x1750
[ 1208.917472]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1208.922133]  ? lock_acquire+0x16f/0x3f0
[ 1208.926106]  ? kasan_check_write+0x14/0x20
[ 1208.930333]  ? do_raw_spin_lock+0xd7/0x250
[ 1208.934563]  worker_thread+0x98/0xe40
[ 1208.938356]  ? trace_hardirqs_on+0x67/0x220
[ 1208.942675]  kthread+0x354/0x420
[ 1208.946031]  ? process_one_work+0x1750/0x1750
[ 1208.950522]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1208.956056]  ret_from_fork+0x24/0x30
[ 1208.959867] warn_alloc_show_mem: 1 callbacks suppressed
[ 1208.959877] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1208.959879] Mem-Info:
[ 1208.959913] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1208.959913]  active_file:13 inactive_file:13 isolated_file:0
[ 1208.959913]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1208.959913]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1208.959913]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1208.959913]  free:10948 free_pcp:188 free_cma:0
[ 1208.965257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1208.965264] Call Trace:
[ 1208.972727] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1208.975138]  <IRQ>
[ 1209.008133] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1209.017491]  dump_stack+0x197/0x210
[ 1209.020059] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1209.047853]  warn_alloc.cold+0x7b/0x173
[ 1209.049975] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1209.075825]  ? zone_watermark_ok_safe+0x260/0x260
[ 1209.079443] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1209.105748]  ? __cpuset_node_allowed+0x136/0x540
[ 1209.109695] lowmem_reserve[]: 0 0 1 1 1
[ 1209.114714]  ? __isolate_free_page+0x4c0/0x4c0
[ 1209.119547] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1209.148383]  ? wake_all_kswapds+0x14d/0x300
[ 1209.153129] lowmem_reserve[]: 0 0 0 0 0
[ 1209.157143]  __alloc_pages_slowpath+0x2214/0x2870
[ 1209.161720] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1209.187519]  ? warn_alloc+0x110/0x110
[ 1209.191804] lowmem_reserve[]: 0 0 0 0 0
[ 1209.195775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1209.200590] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1209.228357]  ? should_fail+0x14d/0x85c
[ 1209.232136] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1209.236130]  ? __isolate_free_page+0x4c0/0x4c0
[ 1209.241644] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1209.254153]  __alloc_pages_nodemask+0x617/0x750
[ 1209.258012] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1209.273388]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1209.277983] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1209.288648]  cache_grow_begin+0x91/0x8c0
[ 1209.293285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1209.309081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1209.314088] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1209.322927]  ? __cpuset_node_allowed+0x136/0x540
[ 1209.326963] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1209.335543]  fallback_alloc+0x1fd/0x2d0
[ 1209.341069] 279 total pagecache pages
[ 1209.349939]  ____cache_alloc_node+0x1be/0x1e0
[ 1209.354747] 0 pages in swap cache
[ 1209.363337]  kmem_cache_alloc_node+0xe3/0x710
[ 1209.367332] Swap cache stats: add 0, delete 0, find 0/0
[ 1209.371145]  __alloc_skb+0xd5/0x5f0
[ 1209.375607] Free swap  = 0kB
[ 1209.379049]  ? skb_trim+0x190/0x190
[ 1209.383515] Total swap = 0kB
[ 1209.388872]  ? check_preemption_disabled+0x48/0x290
[ 1209.392478] 1965979 pages RAM
[ 1209.395487]  ? lock_acquire+0x16f/0x3f0
[ 1209.395509]  new_skb+0x28/0x1d0
[ 1209.399117] 0 pages HighMem/MovableOnly
[ 1209.399125] 341741 pages reserved
[ 1209.402136]  aoecmd_cfg+0x1b5/0x640
[ 1209.407129] 0 pages cma reserved
[ 1209.410254]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1209.414297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1209.417488]  ? timer_reduce+0x11d0/0x11d0
[ 1209.421524] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1209.424903]  discover_timer+0x4e/0x60
[ 1209.428497] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1209.431860]  call_timer_fn+0x18d/0x720
[ 1209.469743]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1209.474410]  ? process_timeout+0x40/0x40
[ 1209.478460]  ? run_timer_softirq+0x644/0x16a0
[ 1209.482950]  ? trace_hardirqs_on+0x67/0x220
[ 1209.487704]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1209.492372]  run_timer_softirq+0x64f/0x16a0
[ 1209.496689]  ? add_timer+0xbe0/0xbe0
[ 1209.500393]  ? __lock_is_held+0xb6/0x140
[ 1209.504460]  __do_softirq+0x25c/0x921
[ 1209.508249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1209.513774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1209.519311]  irq_exit+0x180/0x1d0
[ 1209.522763]  smp_apic_timer_interrupt+0x13b/0x550
[ 1209.527606]  apic_timer_interrupt+0xf/0x20
[ 1209.531829]  </IRQ>
[ 1209.534061] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1209.538905] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1209.557797] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1209.565497] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1209.572931] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1209.580198] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1209.587590] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1209.594870] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1209.602156]  ? netconsole_netdev_event+0x280/0x280
[ 1209.607087]  ? console_unlock+0xf36/0x10d0
[ 1209.611346]  vprintk_emit+0x280/0x6d0
[ 1209.615145]  vprintk_default+0x28/0x30
[ 1209.619026]  vprintk_func+0x7e/0x189
[ 1209.622741]  printk+0xba/0xed
[ 1209.625841]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1209.630609]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1209.635116]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1209.640148]  dump_header+0x44b/0xa55
[ 1209.643854]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1209.648950]  ? ___ratelimit+0x60/0x595
[ 1209.652833]  ? do_raw_spin_unlock+0x181/0x270
[ 1209.657329]  oom_kill_process.cold+0x10/0x6ef
[ 1209.661832]  ? lock_downgrade+0x880/0x880
[ 1209.665982]  ? kasan_check_read+0x11/0x20
[ 1209.670133]  out_of_memory+0x362/0x1330
[ 1209.674124]  ? oom_killer_disable+0x280/0x280
[ 1209.678612]  ? mutex_trylock+0x18e/0x1e0
[ 1209.682666]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1209.687737]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1209.692622]  ? warn_alloc+0x110/0x110
[ 1209.696420]  ? __lock_is_held+0xb6/0x140
[ 1209.700506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1209.706146]  ? should_fail+0x14d/0x85c
[ 1209.710037]  ? __might_sleep+0x95/0x190
[ 1209.714012]  __alloc_pages_nodemask+0x617/0x750
[ 1209.718684]  ? kasan_check_read+0x11/0x20
[ 1209.722838]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1209.727876]  ? find_get_entry+0x3e1/0xa00
[ 1209.732038]  ? find_get_pages_contig+0xed0/0xed0
[ 1209.736795]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1209.742354]  alloc_pages_current+0x107/0x210
[ 1209.746770]  __page_cache_alloc+0x2bd/0x450
[ 1209.751096]  ? kasan_check_read+0x11/0x20
[ 1209.755238]  filemap_fault+0xfeb/0x1f00
[ 1209.759206]  ? lock_downgrade+0x880/0x880
[ 1209.763356]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1209.768036]  ? lock_acquire+0x16f/0x3f0
[ 1209.772030]  ? ext4_filemap_fault+0x7b/0xaf
[ 1209.776368]  ext4_filemap_fault+0x83/0xaf
[ 1209.780538]  __do_fault+0x111/0x480
[ 1209.784166]  __handle_mm_fault+0x2d78/0x3f80
[ 1209.788587]  ? copy_page_range+0x2030/0x2030
[ 1209.793021]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1209.797689]  handle_mm_fault+0x1b5/0x690
[ 1209.801764]  __do_page_fault+0x62a/0xe90
[ 1209.805823]  ? vmalloc_fault+0x740/0x740
[ 1209.809877]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1209.814894]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1209.819825]  ? page_fault+0x8/0x30
[ 1209.823366]  do_page_fault+0x71/0x57d
[ 1209.827158]  ? page_fault+0x8/0x30
[ 1209.830690]  page_fault+0x1e/0x30
[ 1209.834185] RIP: 0033:0x45b153
[ 1209.837379] Code: Bad RIP value.
[ 1209.840731] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1209.846111] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1209.853392] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1209.860673] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1209.867947] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1209.875207] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1209.882512] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1209.882571] aoe: skb alloc failure
[ 1209.890231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1209.890259] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1209.893861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1209.903135] Call Trace:
[ 1209.910238] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1209.920463]  <IRQ>
[ 1209.929948]  dump_stack+0x197/0x210
[ 1209.933581]  warn_alloc.cold+0x7b/0x173
[ 1209.937565]  ? zone_watermark_ok_safe+0x260/0x260
[ 1209.942405]  ? __cpuset_node_allowed+0x136/0x540
[ 1209.947167]  ? __isolate_free_page+0x4c0/0x4c0
[ 1209.951751]  ? wake_all_kswapds+0x14d/0x300
[ 1209.956330]  __alloc_pages_slowpath+0x2214/0x2870
[ 1209.961182]  ? warn_alloc+0x110/0x110
[ 1209.964986]  ? __lock_acquire+0x6ee/0x49c0
[ 1209.969224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1209.974762]  ? should_fail+0x14d/0x85c
[ 1209.978647]  ? __isolate_free_page+0x4c0/0x4c0
[ 1209.983232]  __alloc_pages_nodemask+0x617/0x750
[ 1209.987904]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1209.992919]  ? find_held_lock+0x35/0x130
[ 1209.996978]  cache_grow_begin+0x91/0x8c0
[ 1210.001036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1210.006726]  ? __cpuset_node_allowed+0x136/0x540
[ 1210.011488]  fallback_alloc+0x1fd/0x2d0
[ 1210.015465]  ____cache_alloc_node+0x1be/0x1e0
[ 1210.019956]  kmem_cache_alloc_node+0xe3/0x710
[ 1210.024448]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1210.028687]  __alloc_skb+0xd5/0x5f0
[ 1210.032317]  ? skb_trim+0x190/0x190
[ 1210.035952]  ? kasan_check_read+0x11/0x20
[ 1210.040122]  ndisc_alloc_skb+0x13c/0x340
[ 1210.044199]  ndisc_send_rs+0x35f/0x6e0
[ 1210.048103]  addrconf_rs_timer+0x30f/0x680
[ 1210.052453]  ? ipv6_get_lladdr+0x490/0x490
[ 1210.056693]  call_timer_fn+0x18d/0x720
[ 1210.060574]  ? ipv6_get_lladdr+0x490/0x490
[ 1210.064806]  ? process_timeout+0x40/0x40
[ 1210.068872]  ? run_timer_softirq+0x644/0x16a0
[ 1210.073894]  ? trace_hardirqs_on+0x67/0x220
[ 1210.078216]  ? ipv6_get_lladdr+0x490/0x490
[ 1210.082449]  run_timer_softirq+0x64f/0x16a0
[ 1210.086899]  ? add_timer+0xbe0/0xbe0
[ 1210.090635]  ? __lock_is_held+0xb6/0x140
[ 1210.094704]  __do_softirq+0x25c/0x921
[ 1210.098499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1210.104147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1210.109708]  irq_exit+0x180/0x1d0
[ 1210.113169]  smp_apic_timer_interrupt+0x13b/0x550
[ 1210.118010]  apic_timer_interrupt+0xf/0x20
[ 1210.122245]  </IRQ>
[ 1210.124482] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1210.129409] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1210.148426] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1210.156150] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1210.163435] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1210.170708] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1210.177982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1210.185261] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1210.192563]  ? find_held_lock+0x35/0x130
[ 1210.196644]  ? process_one_work+0x890/0x1750
[ 1210.201058]  skb_clone+0x156/0x3e0
[ 1210.204613]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1210.210959]  process_one_work+0x989/0x1750
[ 1210.215226]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1210.219889]  ? lock_acquire+0x16f/0x3f0
[ 1210.223883]  ? kasan_check_write+0x14/0x20
[ 1210.228113]  ? do_raw_spin_lock+0xd7/0x250
[ 1210.232362]  worker_thread+0x98/0xe40
[ 1210.236174]  ? trace_hardirqs_on+0x67/0x220
[ 1210.240508]  kthread+0x354/0x420
[ 1210.243890]  ? process_one_work+0x1750/0x1750
[ 1210.248384]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1210.254055]  ret_from_fork+0x24/0x30
[ 1210.257798] warn_alloc_show_mem: 1 callbacks suppressed
[ 1210.257808] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1210.257810] Mem-Info:
[ 1210.257839] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1210.257839]  active_file:13 inactive_file:13 isolated_file:0
[ 1210.257839]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1210.257839]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1210.257839]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1210.257839]  free:10948 free_pcp:188 free_cma:0
[ 1210.263179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1210.270671] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1210.270693] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1210.270702] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1210.273127] Call Trace:
[ 1210.273153]  <IRQ>
[ 1210.306555] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1210.316038]  dump_stack+0x197/0x210
[ 1210.343623] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1210.369696]  warn_alloc.cold+0x7b/0x173
[ 1210.395890] lowmem_reserve[]: 0 0 1 1 1
[ 1210.398498]  ? zone_watermark_ok_safe+0x260/0x260
[ 1210.400633] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1210.405659]  ? __cpuset_node_allowed+0x136/0x540
[ 1210.409249] lowmem_reserve[]: 0 0 0 0 0
[ 1210.438355]  ? __isolate_free_page+0x4c0/0x4c0
[ 1210.442443] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1210.446442]  ? wake_all_kswapds+0x14d/0x300
[ 1210.451264] lowmem_reserve[]: 0 0 0 0 0
[ 1210.477036]  __alloc_pages_slowpath+0x2214/0x2870
[ 1210.481761] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1210.485759]  ? warn_alloc+0x110/0x110
[ 1210.490304] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1210.518080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1210.522376] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1210.526346]  ? should_fail+0x14d/0x85c
[ 1210.531157] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1210.543631]  ? __isolate_free_page+0x4c0/0x4c0
[ 1210.547406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1210.562655]  __alloc_pages_nodemask+0x617/0x750
[ 1210.568165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1210.578811]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1210.582675] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1210.598548]  cache_grow_begin+0x91/0x8c0
[ 1210.603105] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1210.611936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1210.616578] 279 total pagecache pages
[ 1210.625152]  ? __cpuset_node_allowed+0x136/0x540
[ 1210.630143] 0 pages in swap cache
[ 1210.638960]  fallback_alloc+0x1fd/0x2d0
[ 1210.642998] Swap cache stats: add 0, delete 0, find 0/0
[ 1210.651560]  ____cache_alloc_node+0x1be/0x1e0
[ 1210.657088] Free swap  = 0kB
[ 1210.660906]  kmem_cache_alloc_node+0xe3/0x710
[ 1210.665624] Total swap = 0kB
[ 1210.669097]  __alloc_skb+0xd5/0x5f0
[ 1210.673061] 1965979 pages RAM
[ 1210.678422]  ? skb_trim+0x190/0x190
[ 1210.682892] 0 pages HighMem/MovableOnly
[ 1210.685906]  ? check_preemption_disabled+0x48/0x290
[ 1210.690392] 341741 pages reserved
[ 1210.693399]  ? lock_acquire+0x16f/0x3f0
[ 1210.696992] 0 pages cma reserved
[ 1210.697060] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1210.700116]  new_skb+0x28/0x1d0
[ 1210.703801] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1210.707691]  aoecmd_cfg+0x1b5/0x640
[ 1210.712683] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1210.716128]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1210.756390]  ? timer_reduce+0x11d0/0x11d0
[ 1210.760560]  discover_timer+0x4e/0x60
[ 1210.764361]  call_timer_fn+0x18d/0x720
[ 1210.768263]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1210.772927]  ? process_timeout+0x40/0x40
[ 1210.776983]  ? run_timer_softirq+0x644/0x16a0
[ 1210.781477]  ? trace_hardirqs_on+0x67/0x220
[ 1210.785798]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1210.790462]  run_timer_softirq+0x64f/0x16a0
[ 1210.794781]  ? add_timer+0xbe0/0xbe0
[ 1210.798487]  ? __lock_is_held+0xb6/0x140
[ 1210.802552]  __do_softirq+0x25c/0x921
[ 1210.806345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1210.811871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1210.817407]  irq_exit+0x180/0x1d0
[ 1210.820854]  smp_apic_timer_interrupt+0x13b/0x550
[ 1210.825692]  apic_timer_interrupt+0xf/0x20
[ 1210.829935]  </IRQ>
[ 1210.832165] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1210.836999] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1210.855905] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1210.863639] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1210.870908] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1210.878167] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1210.885427] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1210.892685] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1210.899985]  ? netconsole_netdev_event+0x280/0x280
[ 1210.904919]  ? console_unlock+0xf36/0x10d0
[ 1210.909156]  vprintk_emit+0x280/0x6d0
[ 1210.912950]  vprintk_default+0x28/0x30
[ 1210.916843]  vprintk_func+0x7e/0x189
[ 1210.920559]  printk+0xba/0xed
[ 1210.923659]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1210.928418]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1210.932912]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1210.937929]  dump_header+0x44b/0xa55
[ 1210.941653]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1210.946745]  ? ___ratelimit+0x60/0x595
[ 1210.950621]  ? do_raw_spin_unlock+0x181/0x270
[ 1210.955110]  oom_kill_process.cold+0x10/0x6ef
[ 1210.959601]  ? lock_downgrade+0x880/0x880
[ 1210.963740]  ? kasan_check_read+0x11/0x20
[ 1210.967880]  out_of_memory+0x362/0x1330
[ 1210.971849]  ? oom_killer_disable+0x280/0x280
[ 1210.976333]  ? mutex_trylock+0x18e/0x1e0
[ 1210.980400]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1210.985326]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1210.990174]  ? warn_alloc+0x110/0x110
[ 1210.993976]  ? __lock_is_held+0xb6/0x140
[ 1210.998041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1211.003568]  ? should_fail+0x14d/0x85c
[ 1211.007452]  ? __might_sleep+0x95/0x190
[ 1211.011416]  __alloc_pages_nodemask+0x617/0x750
[ 1211.016074]  ? kasan_check_read+0x11/0x20
[ 1211.020214]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1211.025218]  ? find_get_entry+0x3e1/0xa00
[ 1211.029360]  ? find_get_pages_contig+0xed0/0xed0
[ 1211.034103]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1211.039652]  alloc_pages_current+0x107/0x210
[ 1211.044053]  __page_cache_alloc+0x2bd/0x450
[ 1211.048363]  ? kasan_check_read+0x11/0x20
[ 1211.052500]  filemap_fault+0xfeb/0x1f00
[ 1211.056478]  ? lock_downgrade+0x880/0x880
[ 1211.060623]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1211.065283]  ? lock_acquire+0x16f/0x3f0
[ 1211.069256]  ? ext4_filemap_fault+0x7b/0xaf
[ 1211.073600]  ext4_filemap_fault+0x83/0xaf
[ 1211.077741]  __do_fault+0x111/0x480
[ 1211.081369]  __handle_mm_fault+0x2d78/0x3f80
[ 1211.085772]  ? copy_page_range+0x2030/0x2030
[ 1211.090191]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1211.094861]  handle_mm_fault+0x1b5/0x690
[ 1211.098932]  __do_page_fault+0x62a/0xe90
[ 1211.102986]  ? vmalloc_fault+0x740/0x740
[ 1211.107044]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1211.112048]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1211.116966]  ? page_fault+0x8/0x30
[ 1211.120498]  do_page_fault+0x71/0x57d
[ 1211.124287]  ? page_fault+0x8/0x30
[ 1211.127818]  page_fault+0x1e/0x30
[ 1211.131264] RIP: 0033:0x45b153
[ 1211.134466] Code: Bad RIP value.
[ 1211.137823] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1211.143180] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1211.150565] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1211.157842] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1211.165116] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1211.172388] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1211.179695] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1211.179758] aoe: skb alloc failure
[ 1211.187408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1211.187434] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1211.187441] Call Trace:
[ 1211.187449]  <IRQ>
[ 1211.191008] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1211.200320]  dump_stack+0x197/0x210
[ 1211.207401] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1211.209980]  warn_alloc.cold+0x7b/0x173
[ 1211.234606]  ? zone_watermark_ok_safe+0x260/0x260
[ 1211.239442]  ? __cpuset_node_allowed+0x136/0x540
[ 1211.244195]  ? __isolate_free_page+0x4c0/0x4c0
[ 1211.248779]  ? wake_all_kswapds+0x14d/0x300
[ 1211.253200]  __alloc_pages_slowpath+0x2214/0x2870
[ 1211.258048]  ? warn_alloc+0x110/0x110
[ 1211.261842]  ? __lock_acquire+0x6ee/0x49c0
[ 1211.266065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1211.271592]  ? should_fail+0x14d/0x85c
[ 1211.275481]  ? __isolate_free_page+0x4c0/0x4c0
[ 1211.280083]  __alloc_pages_nodemask+0x617/0x750
[ 1211.284760]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1211.289772]  ? find_held_lock+0x35/0x130
[ 1211.293845]  cache_grow_begin+0x91/0x8c0
[ 1211.297896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1211.303442]  ? __cpuset_node_allowed+0x136/0x540
[ 1211.308216]  fallback_alloc+0x1fd/0x2d0
[ 1211.312192]  ____cache_alloc_node+0x1be/0x1e0
[ 1211.316689]  kmem_cache_alloc_node+0xe3/0x710
[ 1211.321182]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1211.325431]  __alloc_skb+0xd5/0x5f0
[ 1211.329073]  ? skb_trim+0x190/0x190
[ 1211.332698]  ? kasan_check_read+0x11/0x20
[ 1211.336852]  ndisc_alloc_skb+0x13c/0x340
[ 1211.340914]  ndisc_send_rs+0x35f/0x6e0
[ 1211.344802]  addrconf_rs_timer+0x30f/0x680
[ 1211.349032]  ? ipv6_get_lladdr+0x490/0x490
[ 1211.353264]  call_timer_fn+0x18d/0x720
[ 1211.357142]  ? ipv6_get_lladdr+0x490/0x490
[ 1211.361368]  ? process_timeout+0x40/0x40
[ 1211.365426]  ? run_timer_softirq+0x644/0x16a0
[ 1211.369915]  ? trace_hardirqs_on+0x67/0x220
[ 1211.374240]  ? ipv6_get_lladdr+0x490/0x490
[ 1211.378474]  run_timer_softirq+0x64f/0x16a0
[ 1211.382793]  ? add_timer+0xbe0/0xbe0
[ 1211.386514]  ? __lock_is_held+0xb6/0x140
[ 1211.390588]  __do_softirq+0x25c/0x921
[ 1211.394378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1211.399905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1211.405440]  irq_exit+0x180/0x1d0
[ 1211.409671]  smp_apic_timer_interrupt+0x13b/0x550
[ 1211.414513]  apic_timer_interrupt+0xf/0x20
[ 1211.418732]  </IRQ>
[ 1211.420962] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1211.425894] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1211.444785] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1211.452483] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1211.459759] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1211.467033] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1211.474310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1211.481572] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1211.488872]  ? find_held_lock+0x35/0x130
[ 1211.492941]  ? process_one_work+0x890/0x1750
[ 1211.497450]  skb_clone+0x156/0x3e0
[ 1211.501012]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1211.507366]  process_one_work+0x989/0x1750
[ 1211.511634]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1211.516412]  ? lock_acquire+0x16f/0x3f0
[ 1211.520417]  ? kasan_check_write+0x14/0x20
[ 1211.524659]  ? do_raw_spin_lock+0xd7/0x250
[ 1211.528895]  worker_thread+0x98/0xe40
[ 1211.532692]  ? trace_hardirqs_on+0x67/0x220
[ 1211.537038]  kthread+0x354/0x420
[ 1211.540408]  ? process_one_work+0x1750/0x1750
[ 1211.544912]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1211.550453]  ret_from_fork+0x24/0x30
[ 1211.554170] warn_alloc_show_mem: 1 callbacks suppressed
[ 1211.554180] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1211.554182] Mem-Info:
[ 1211.554212] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1211.554212]  active_file:13 inactive_file:13 isolated_file:0
[ 1211.554212]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1211.554212]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1211.554212]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1211.554212]  free:10948 free_pcp:188 free_cma:0
[ 1211.559551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1211.566996] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1211.569384] Call Trace:
[ 1211.602354] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1211.611681]  <IRQ>
[ 1211.639246] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1211.641831]  dump_stack+0x197/0x210
[ 1211.668086] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1211.670242]  warn_alloc.cold+0x7b/0x173
[ 1211.696329] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1211.699957]  ? zone_watermark_ok_safe+0x260/0x260
[ 1211.704946] lowmem_reserve[]: 0 0 1 1 1
[ 1211.708921]  ? __cpuset_node_allowed+0x136/0x540
[ 1211.737817] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1211.742675]  ? __isolate_free_page+0x4c0/0x4c0
[ 1211.746614] lowmem_reserve[]: 0 0 0 0 0
[ 1211.751388]  ? wake_all_kswapds+0x14d/0x300
[ 1211.777142] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1211.781756]  __alloc_pages_slowpath+0x2214/0x2870
[ 1211.785684] lowmem_reserve[]: 0 0 0 0 0
[ 1211.790024]  ? warn_alloc+0x110/0x110
[ 1211.817761] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1211.822626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1211.826579] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1211.830399]  ? should_fail+0x14d/0x85c
[ 1211.842861] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1211.848425]  ? __isolate_free_page+0x4c0/0x4c0
[ 1211.863667] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1211.867566]  __alloc_pages_nodemask+0x617/0x750
[ 1211.878196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1211.882772]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1211.898536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1211.903215]  cache_grow_begin+0x91/0x8c0
[ 1211.912032] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1211.917061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1211.925653] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1211.929713]  ? __cpuset_node_allowed+0x136/0x540
[ 1211.938537] 279 total pagecache pages
[ 1211.944256]  fallback_alloc+0x1fd/0x2d0
[ 1211.952819] 0 pages in swap cache
[ 1211.957591]  ____cache_alloc_node+0x1be/0x1e0
[ 1211.961369] Swap cache stats: add 0, delete 0, find 0/0
[ 1211.965854]  kmem_cache_alloc_node+0xe3/0x710
[ 1211.969279] Free swap  = 0kB
[ 1211.973783]  __alloc_skb+0xd5/0x5f0
[ 1211.979122] Total swap = 0kB
[ 1211.983609]  ? skb_trim+0x190/0x190
[ 1211.986601] 1965979 pages RAM
[ 1211.990233]  ? check_preemption_disabled+0x48/0x290
[ 1211.993224] 0 pages HighMem/MovableOnly
[ 1211.996846]  ? lock_acquire+0x16f/0x3f0
[ 1211.996869]  new_skb+0x28/0x1d0
[ 1211.999960] 341741 pages reserved
[ 1211.999968] 0 pages cma reserved
[ 1212.005080]  aoecmd_cfg+0x1b5/0x640
[ 1212.009123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1212.013039]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1212.013059]  ? timer_reduce+0x11d0/0x11d0
[ 1212.013082]  discover_timer+0x4e/0x60
[ 1212.016452] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1212.019796]  call_timer_fn+0x18d/0x720
[ 1212.023146] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1212.026779]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1212.069580]  ? process_timeout+0x40/0x40
[ 1212.073632]  ? run_timer_softirq+0x644/0x16a0
[ 1212.078125]  ? trace_hardirqs_on+0x67/0x220
[ 1212.082445]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1212.087106]  run_timer_softirq+0x64f/0x16a0
[ 1212.091439]  ? add_timer+0xbe0/0xbe0
[ 1212.095147]  ? __lock_is_held+0xb6/0x140
[ 1212.099210]  __do_softirq+0x25c/0x921
[ 1212.103004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1212.108667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1212.114235]  irq_exit+0x180/0x1d0
[ 1212.117696]  smp_apic_timer_interrupt+0x13b/0x550
[ 1212.122536]  apic_timer_interrupt+0xf/0x20
[ 1212.126755]  </IRQ>
[ 1212.128985] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1212.133847] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1212.152740] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1212.160444] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1212.167758] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1212.175023] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1212.182282] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1212.189546] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1212.196842]  ? netconsole_netdev_event+0x280/0x280
[ 1212.201768]  ? console_unlock+0xf36/0x10d0
[ 1212.206026]  vprintk_emit+0x280/0x6d0
[ 1212.209960]  vprintk_default+0x28/0x30
[ 1212.213843]  vprintk_func+0x7e/0x189
[ 1212.217555]  printk+0xba/0xed
[ 1212.220658]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1212.225428]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1212.229936]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1212.234972]  dump_header+0x44b/0xa55
[ 1212.238689]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1212.243803]  ? ___ratelimit+0x60/0x595
[ 1212.247698]  ? do_raw_spin_unlock+0x181/0x270
[ 1212.252199]  oom_kill_process.cold+0x10/0x6ef
[ 1212.256697]  ? lock_downgrade+0x880/0x880
[ 1212.260850]  ? kasan_check_read+0x11/0x20
[ 1212.265013]  out_of_memory+0x362/0x1330
[ 1212.269002]  ? oom_killer_disable+0x280/0x280
[ 1212.273503]  ? mutex_trylock+0x18e/0x1e0
[ 1212.277558]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1212.282486]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1212.287350]  ? warn_alloc+0x110/0x110
[ 1212.291140]  ? __lock_is_held+0xb6/0x140
[ 1212.295193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1212.300737]  ? should_fail+0x14d/0x85c
[ 1212.304633]  ? __might_sleep+0x95/0x190
[ 1212.308601]  __alloc_pages_nodemask+0x617/0x750
[ 1212.313259]  ? kasan_check_read+0x11/0x20
[ 1212.317402]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1212.322417]  ? find_get_entry+0x3e1/0xa00
[ 1212.326565]  ? find_get_pages_contig+0xed0/0xed0
[ 1212.331324]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1212.336859]  alloc_pages_current+0x107/0x210
[ 1212.341263]  __page_cache_alloc+0x2bd/0x450
[ 1212.345576]  ? kasan_check_read+0x11/0x20
[ 1212.349715]  filemap_fault+0xfeb/0x1f00
[ 1212.353693]  ? lock_downgrade+0x880/0x880
[ 1212.357841]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1212.362508]  ? lock_acquire+0x16f/0x3f0
[ 1212.366476]  ? ext4_filemap_fault+0x7b/0xaf
[ 1212.370798]  ext4_filemap_fault+0x83/0xaf
[ 1212.374950]  __do_fault+0x111/0x480
[ 1212.378569]  __handle_mm_fault+0x2d78/0x3f80
[ 1212.382973]  ? copy_page_range+0x2030/0x2030
[ 1212.387396]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1212.392098]  handle_mm_fault+0x1b5/0x690
[ 1212.396194]  __do_page_fault+0x62a/0xe90
[ 1212.401144]  ? vmalloc_fault+0x740/0x740
[ 1212.405225]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1212.410255]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1212.415189]  ? page_fault+0x8/0x30
[ 1212.418762]  do_page_fault+0x71/0x57d
[ 1212.422580]  ? page_fault+0x8/0x30
[ 1212.426116]  page_fault+0x1e/0x30
[ 1212.429560] RIP: 0033:0x45b153
[ 1212.432787] Code: Bad RIP value.
[ 1212.436165] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1212.441521] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1212.448799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1212.456065] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1212.463360] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1212.470635] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1212.477928] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1212.477984] aoe: skb alloc failure
[ 1212.485648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1212.485674] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1212.485681] Call Trace:
[ 1212.485688]  <IRQ>
[ 1212.485712]  dump_stack+0x197/0x210
[ 1212.489262] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1212.498709]  warn_alloc.cold+0x7b/0x173
[ 1212.505793] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1212.508389]  ? zone_watermark_ok_safe+0x260/0x260
[ 1212.537883]  ? __cpuset_node_allowed+0x136/0x540
[ 1212.542645]  ? __isolate_free_page+0x4c0/0x4c0
[ 1212.547225]  ? wake_all_kswapds+0x14d/0x300
[ 1212.551665]  __alloc_pages_slowpath+0x2214/0x2870
[ 1212.556541]  ? warn_alloc+0x110/0x110
[ 1212.560349]  ? __lock_acquire+0x6ee/0x49c0
[ 1212.564594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1212.570216]  ? should_fail+0x14d/0x85c
[ 1212.574117]  ? __isolate_free_page+0x4c0/0x4c0
[ 1212.578717]  __alloc_pages_nodemask+0x617/0x750
[ 1212.583405]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1212.588439]  ? find_held_lock+0x35/0x130
[ 1212.592519]  cache_grow_begin+0x91/0x8c0
[ 1212.596596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1212.602135]  ? __cpuset_node_allowed+0x136/0x540
[ 1212.606887]  fallback_alloc+0x1fd/0x2d0
[ 1212.610864]  ____cache_alloc_node+0x1be/0x1e0
[ 1212.615471]  kmem_cache_alloc_node+0xe3/0x710
[ 1212.619979]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1212.624219]  __alloc_skb+0xd5/0x5f0
[ 1212.627859]  ? skb_trim+0x190/0x190
[ 1212.631485]  ? kasan_check_read+0x11/0x20
[ 1212.635649]  ndisc_alloc_skb+0x13c/0x340
[ 1212.639714]  ndisc_send_rs+0x35f/0x6e0
[ 1212.643606]  addrconf_rs_timer+0x30f/0x680
[ 1212.647855]  ? ipv6_get_lladdr+0x490/0x490
[ 1212.652094]  call_timer_fn+0x18d/0x720
[ 1212.655974]  ? ipv6_get_lladdr+0x490/0x490
[ 1212.660216]  ? process_timeout+0x40/0x40
[ 1212.664275]  ? run_timer_softirq+0x644/0x16a0
[ 1212.668786]  ? trace_hardirqs_on+0x67/0x220
[ 1212.673115]  ? ipv6_get_lladdr+0x490/0x490
[ 1212.677347]  run_timer_softirq+0x64f/0x16a0
[ 1212.681687]  ? add_timer+0xbe0/0xbe0
[ 1212.685399]  ? __lock_is_held+0xb6/0x140
[ 1212.689491]  __do_softirq+0x25c/0x921
[ 1212.693288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1212.698817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1212.704364]  irq_exit+0x180/0x1d0
[ 1212.707828]  smp_apic_timer_interrupt+0x13b/0x550
[ 1212.712666]  apic_timer_interrupt+0xf/0x20
[ 1212.716888]  </IRQ>
[ 1212.719128] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1212.724049] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1212.742940] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1212.750654] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1212.757933] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1212.765195] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1212.772460] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1212.779721] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1212.787011]  ? find_held_lock+0x35/0x130
[ 1212.791085]  ? process_one_work+0x890/0x1750
[ 1212.795503]  skb_clone+0x156/0x3e0
[ 1212.799064]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1212.805413]  process_one_work+0x989/0x1750
[ 1212.809672]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1212.814337]  ? lock_acquire+0x16f/0x3f0
[ 1212.818311]  ? kasan_check_write+0x14/0x20
[ 1212.822539]  ? do_raw_spin_lock+0xd7/0x250
[ 1212.826771]  worker_thread+0x98/0xe40
[ 1212.830582]  ? trace_hardirqs_on+0x67/0x220
[ 1212.834916]  kthread+0x354/0x420
[ 1212.838478]  ? process_one_work+0x1750/0x1750
[ 1212.842989]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1212.848532]  ret_from_fork+0x24/0x30
[ 1212.852258] warn_alloc_show_mem: 1 callbacks suppressed
[ 1212.852268] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1212.852271] Mem-Info:
[ 1212.852300] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1212.852300]  active_file:13 inactive_file:13 isolated_file:0
[ 1212.852300]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1212.852300]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1212.852300]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1212.852300]  free:10948 free_pcp:188 free_cma:0
[ 1212.857646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1212.865100] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1212.867588] Call Trace:
[ 1212.900591] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1212.909944]  <IRQ>
[ 1212.937702] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1212.940314]  dump_stack+0x197/0x210
[ 1212.966151] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1212.968339]  warn_alloc.cold+0x7b/0x173
[ 1212.994431] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1212.998082]  ? zone_watermark_ok_safe+0x260/0x260
[ 1213.003094] lowmem_reserve[]: 0 0 1 1 1
[ 1213.007078]  ? __cpuset_node_allowed+0x136/0x540
[ 1213.035862] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1213.040751]  ? __isolate_free_page+0x4c0/0x4c0
[ 1213.044709] lowmem_reserve[]: 0 0 0 0 0
[ 1213.049461]  ? wake_all_kswapds+0x14d/0x300
[ 1213.075339] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1213.079949]  __alloc_pages_slowpath+0x2214/0x2870
[ 1213.083906] lowmem_reserve[]: 0 0 0 0 0
[ 1213.088251]  ? warn_alloc+0x110/0x110
[ 1213.115970] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1213.120812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1213.124758] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1213.128557]  ? should_fail+0x14d/0x85c
[ 1213.141010] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1213.146563]  ? __isolate_free_page+0x4c0/0x4c0
[ 1213.161804] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1213.165696]  __alloc_pages_nodemask+0x617/0x750
[ 1213.176327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1213.180903]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1213.196653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1213.196665] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1213.201337]  cache_grow_begin+0x91/0x8c0
[ 1213.210142] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1213.215149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1213.223710] 279 total pagecache pages
[ 1213.232544]  ? __cpuset_node_allowed+0x136/0x540
[ 1213.236583] 0 pages in swap cache
[ 1213.245152]  fallback_alloc+0x1fd/0x2d0
[ 1213.250672] Swap cache stats: add 0, delete 0, find 0/0
[ 1213.250680] Free swap  = 0kB
[ 1213.254476]  ____cache_alloc_node+0x1be/0x1e0
[ 1213.259543] Total swap = 0kB
[ 1213.259552] 1965979 pages RAM
[ 1213.263082]  kmem_cache_alloc_node+0xe3/0x710
[ 1213.267031] 0 pages HighMem/MovableOnly
[ 1213.272389]  __alloc_skb+0xd5/0x5f0
[ 1213.275387] 341741 pages reserved
[ 1213.279881]  ? skb_trim+0x190/0x190
[ 1213.282870] 0 pages cma reserved
[ 1213.285967]  ? check_preemption_disabled+0x48/0x290
[ 1213.290501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1213.294416]  ? lock_acquire+0x16f/0x3f0
[ 1213.294439]  new_skb+0x28/0x1d0
[ 1213.294462]  aoecmd_cfg+0x1b5/0x640
[ 1213.298166] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1213.301566]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1213.305187] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1213.308552]  ? timer_reduce+0x11d0/0x11d0
[ 1213.354590]  discover_timer+0x4e/0x60
[ 1213.358381]  call_timer_fn+0x18d/0x720
[ 1213.362269]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1213.366929]  ? process_timeout+0x40/0x40
[ 1213.370976]  ? run_timer_softirq+0x644/0x16a0
[ 1213.375478]  ? trace_hardirqs_on+0x67/0x220
[ 1213.379793]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1213.384452]  run_timer_softirq+0x64f/0x16a0
[ 1213.388774]  ? add_timer+0xbe0/0xbe0
[ 1213.392477]  ? __lock_is_held+0xb6/0x140
[ 1213.396538]  __do_softirq+0x25c/0x921
[ 1213.400337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1213.405865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1213.411404]  irq_exit+0x180/0x1d0
[ 1213.414854]  smp_apic_timer_interrupt+0x13b/0x550
[ 1213.419692]  apic_timer_interrupt+0xf/0x20
[ 1213.423913]  </IRQ>
[ 1213.426147] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1213.431008] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1213.449909] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1213.457740] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1213.465035] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1213.472315] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1213.479589] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1213.486869] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1213.494154]  ? netconsole_netdev_event+0x280/0x280
[ 1213.499094]  ? console_unlock+0xf36/0x10d0
[ 1213.503340]  vprintk_emit+0x280/0x6d0
[ 1213.507144]  vprintk_default+0x28/0x30
[ 1213.511021]  vprintk_func+0x7e/0x189
[ 1213.514736]  printk+0xba/0xed
[ 1213.517844]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1213.522601]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1213.527093]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1213.532120]  dump_header+0x44b/0xa55
[ 1213.535823]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1213.540946]  ? ___ratelimit+0x60/0x595
[ 1213.544833]  ? do_raw_spin_unlock+0x181/0x270
[ 1213.549332]  oom_kill_process.cold+0x10/0x6ef
[ 1213.553824]  ? lock_downgrade+0x880/0x880
[ 1213.557969]  ? kasan_check_read+0x11/0x20
[ 1213.562111]  out_of_memory+0x362/0x1330
[ 1213.566085]  ? oom_killer_disable+0x280/0x280
[ 1213.570569]  ? mutex_trylock+0x18e/0x1e0
[ 1213.574621]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1213.579544]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1213.584392]  ? warn_alloc+0x110/0x110
[ 1213.588181]  ? __lock_is_held+0xb6/0x140
[ 1213.592232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1213.597771]  ? should_fail+0x14d/0x85c
[ 1213.601658]  ? __might_sleep+0x95/0x190
[ 1213.605629]  __alloc_pages_nodemask+0x617/0x750
[ 1213.610312]  ? kasan_check_read+0x11/0x20
[ 1213.614472]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1213.619496]  ? find_get_entry+0x3e1/0xa00
[ 1213.623647]  ? find_get_pages_contig+0xed0/0xed0
[ 1213.628412]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1213.633961]  alloc_pages_current+0x107/0x210
[ 1213.638392]  __page_cache_alloc+0x2bd/0x450
[ 1213.642725]  ? kasan_check_read+0x11/0x20
[ 1213.646886]  filemap_fault+0xfeb/0x1f00
[ 1213.650861]  ? lock_downgrade+0x880/0x880
[ 1213.655023]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1213.659689]  ? lock_acquire+0x16f/0x3f0
[ 1213.663656]  ? ext4_filemap_fault+0x7b/0xaf
[ 1213.667982]  ext4_filemap_fault+0x83/0xaf
[ 1213.672130]  __do_fault+0x111/0x480
[ 1213.675751]  __handle_mm_fault+0x2d78/0x3f80
[ 1213.680155]  ? copy_page_range+0x2030/0x2030
[ 1213.684571]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1213.689248]  handle_mm_fault+0x1b5/0x690
[ 1213.693312]  __do_page_fault+0x62a/0xe90
[ 1213.697375]  ? vmalloc_fault+0x740/0x740
[ 1213.701426]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1213.706433]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1213.711359]  ? page_fault+0x8/0x30
[ 1213.714903]  do_page_fault+0x71/0x57d
[ 1213.718702]  ? page_fault+0x8/0x30
[ 1213.722232]  page_fault+0x1e/0x30
[ 1213.725672] RIP: 0033:0x45b153
[ 1213.728870] Code: Bad RIP value.
[ 1213.732223] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1213.737583] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1213.744842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1213.752120] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1213.759563] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1213.766826] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1213.774128] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1213.774186] aoe: skb alloc failure
[ 1213.781847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1213.781874] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1213.785437] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1213.794842] Call Trace:
[ 1213.794851]  <IRQ>
[ 1213.801940] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1213.812168]  dump_stack+0x197/0x210
[ 1213.825240]  warn_alloc.cold+0x7b/0x173
[ 1213.829208]  ? zone_watermark_ok_safe+0x260/0x260
[ 1213.834043]  ? __cpuset_node_allowed+0x136/0x540
[ 1213.838797]  ? __isolate_free_page+0x4c0/0x4c0
[ 1213.843381]  ? wake_all_kswapds+0x14d/0x300
[ 1213.849706]  __alloc_pages_slowpath+0x2214/0x2870
[ 1213.854559]  ? warn_alloc+0x110/0x110
[ 1213.858352]  ? __lock_acquire+0x6ee/0x49c0
[ 1213.862605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1213.868155]  ? should_fail+0x14d/0x85c
[ 1213.872066]  ? __isolate_free_page+0x4c0/0x4c0
[ 1213.876649]  __alloc_pages_nodemask+0x617/0x750
[ 1213.881313]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1213.886335]  ? find_held_lock+0x35/0x130
[ 1213.890421]  cache_grow_begin+0x91/0x8c0
[ 1213.894491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1213.900033]  ? __cpuset_node_allowed+0x136/0x540
[ 1213.904802]  fallback_alloc+0x1fd/0x2d0
[ 1213.908798]  ____cache_alloc_node+0x1be/0x1e0
[ 1213.913300]  kmem_cache_alloc_node+0xe3/0x710
[ 1213.917793]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1213.922050]  __alloc_skb+0xd5/0x5f0
[ 1213.925673]  ? skb_trim+0x190/0x190
[ 1213.929295]  ? kasan_check_read+0x11/0x20
[ 1213.933459]  ndisc_alloc_skb+0x13c/0x340
[ 1213.937524]  ndisc_send_rs+0x35f/0x6e0
[ 1213.941417]  addrconf_rs_timer+0x30f/0x680
[ 1213.945646]  ? ipv6_get_lladdr+0x490/0x490
[ 1213.949876]  call_timer_fn+0x18d/0x720
[ 1213.953764]  ? ipv6_get_lladdr+0x490/0x490
[ 1213.957991]  ? process_timeout+0x40/0x40
[ 1213.962041]  ? run_timer_softirq+0x644/0x16a0
[ 1213.966532]  ? trace_hardirqs_on+0x67/0x220
[ 1213.970847]  ? ipv6_get_lladdr+0x490/0x490
[ 1213.975107]  run_timer_softirq+0x64f/0x16a0
[ 1213.989693]  ? add_timer+0xbe0/0xbe0
[ 1213.993411]  ? __lock_is_held+0xb6/0x140
[ 1213.997485]  __do_softirq+0x25c/0x921
[ 1214.001280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1214.006814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1214.012362]  irq_exit+0x180/0x1d0
[ 1214.015839]  smp_apic_timer_interrupt+0x13b/0x550
[ 1214.020689]  apic_timer_interrupt+0xf/0x20
[ 1214.024917]  </IRQ>
[ 1214.027152] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1214.032086] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1214.050987] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1214.058689] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1214.065953] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1214.073212] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1214.080486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1214.087839] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1214.095141]  ? find_held_lock+0x35/0x130
[ 1214.099203]  ? process_one_work+0x890/0x1750
[ 1214.103607]  skb_clone+0x156/0x3e0
[ 1214.107151]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1214.113472]  process_one_work+0x989/0x1750
[ 1214.117737]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1214.122424]  ? lock_acquire+0x16f/0x3f0
[ 1214.126416]  ? kasan_check_write+0x14/0x20
[ 1214.130643]  ? do_raw_spin_lock+0xd7/0x250
[ 1214.134893]  worker_thread+0x98/0xe40
[ 1214.138689]  ? trace_hardirqs_on+0x67/0x220
[ 1214.143010]  kthread+0x354/0x420
[ 1214.146462]  ? process_one_work+0x1750/0x1750
[ 1214.150944]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1214.156474]  ret_from_fork+0x24/0x30
[ 1214.160189] warn_alloc_show_mem: 1 callbacks suppressed
[ 1214.160199] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1214.160201] Mem-Info:
[ 1214.160230] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1214.160230]  active_file:13 inactive_file:13 isolated_file:0
[ 1214.160230]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1214.160230]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1214.160230]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1214.160230]  free:10948 free_pcp:188 free_cma:0
[ 1214.165579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1214.165587] Call Trace:
[ 1214.173041] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1214.175439]  <IRQ>
[ 1214.208404] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1214.217738]  dump_stack+0x197/0x210
[ 1214.220297] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1214.247880]  warn_alloc.cold+0x7b/0x173
[ 1214.249999] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1214.275879]  ? zone_watermark_ok_safe+0x260/0x260
[ 1214.279487] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1214.305702]  ? __cpuset_node_allowed+0x136/0x540
[ 1214.309649] lowmem_reserve[]: 0 0 1 1 1
[ 1214.314671]  ? __isolate_free_page+0x4c0/0x4c0
[ 1214.319492] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1214.348287]  ? wake_all_kswapds+0x14d/0x300
[ 1214.353011] lowmem_reserve[]: 0 0 0 0 0
[ 1214.357009]  __alloc_pages_slowpath+0x2214/0x2870
[ 1214.361570] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1214.387990]  ? warn_alloc+0x110/0x110
[ 1214.392372] lowmem_reserve[]: 0 0 0 0 0
[ 1214.396343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1214.401172] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1214.429642]  ? should_fail+0x14d/0x85c
[ 1214.433416] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1214.437387]  ? __isolate_free_page+0x4c0/0x4c0
[ 1214.442899] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1214.455714]  __alloc_pages_nodemask+0x617/0x750
[ 1214.459860] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1214.475683]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1214.480263] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1214.490995]  cache_grow_begin+0x91/0x8c0
[ 1214.495668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1214.511530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1214.516633] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1214.525899]  ? __cpuset_node_allowed+0x136/0x540
[ 1214.530209] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1214.538775]  fallback_alloc+0x1fd/0x2d0
[ 1214.544299] 279 total pagecache pages
[ 1214.553145]  ____cache_alloc_node+0x1be/0x1e0
[ 1214.557879] 0 pages in swap cache
[ 1214.566460]  kmem_cache_alloc_node+0xe3/0x710
[ 1214.570402] Swap cache stats: add 0, delete 0, find 0/0
[ 1214.570410] Free swap  = 0kB
[ 1214.574249]  __alloc_skb+0xd5/0x5f0
[ 1214.578695] Total swap = 0kB
[ 1214.582142]  ? skb_trim+0x190/0x190
[ 1214.586620] 1965979 pages RAM
[ 1214.591974]  ? check_preemption_disabled+0x48/0x290
[ 1214.594970] 0 pages HighMem/MovableOnly
[ 1214.594977] 341741 pages reserved
[ 1214.598593]  ? lock_acquire+0x16f/0x3f0
[ 1214.601580] 0 pages cma reserved
[ 1214.601649] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1214.605221]  new_skb+0x28/0x1d0
[ 1214.608347] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1214.613303]  aoecmd_cfg+0x1b5/0x640
[ 1214.617252] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1214.620703]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1214.661581]  ? timer_reduce+0x11d0/0x11d0
[ 1214.665745]  discover_timer+0x4e/0x60
[ 1214.669541]  call_timer_fn+0x18d/0x720
[ 1214.673428]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1214.678188]  ? process_timeout+0x40/0x40
[ 1214.682239]  ? run_timer_softirq+0x644/0x16a0
[ 1214.686745]  ? trace_hardirqs_on+0x67/0x220
[ 1214.691080]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1214.695755]  run_timer_softirq+0x64f/0x16a0
[ 1214.700171]  ? add_timer+0xbe0/0xbe0
[ 1214.703996]  ? __lock_is_held+0xb6/0x140
[ 1214.708087]  __do_softirq+0x25c/0x921
[ 1214.712017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1214.717547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1214.723092]  irq_exit+0x180/0x1d0
[ 1214.726563]  smp_apic_timer_interrupt+0x13b/0x550
[ 1214.731409]  apic_timer_interrupt+0xf/0x20
[ 1214.735648]  </IRQ>
[ 1214.737910] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1214.742764] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1214.761762] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1214.769471] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1214.776743] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1214.784013] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1214.791272] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1214.798545] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1214.805825]  ? netconsole_netdev_event+0x280/0x280
[ 1214.810929]  ? console_unlock+0xf36/0x10d0
[ 1214.815171]  vprintk_emit+0x280/0x6d0
[ 1214.818970]  vprintk_default+0x28/0x30
[ 1214.822847]  vprintk_func+0x7e/0x189
[ 1214.826553]  printk+0xba/0xed
[ 1214.829649]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1214.834400]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1214.838904]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1214.843929]  dump_header+0x44b/0xa55
[ 1214.847647]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1214.852903]  ? ___ratelimit+0x60/0x595
[ 1214.856786]  ? do_raw_spin_unlock+0x181/0x270
[ 1214.861387]  oom_kill_process.cold+0x10/0x6ef
[ 1214.865897]  ? lock_downgrade+0x880/0x880
[ 1214.870045]  ? kasan_check_read+0x11/0x20
[ 1214.874212]  out_of_memory+0x362/0x1330
[ 1214.878197]  ? oom_killer_disable+0x280/0x280
[ 1214.882707]  ? mutex_trylock+0x18e/0x1e0
[ 1214.886789]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1214.891739]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1214.896594]  ? warn_alloc+0x110/0x110
[ 1214.900404]  ? __lock_is_held+0xb6/0x140
[ 1214.904481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1214.910130]  ? should_fail+0x14d/0x85c
[ 1214.914023]  ? __might_sleep+0x95/0x190
[ 1214.917997]  __alloc_pages_nodemask+0x617/0x750
[ 1214.922674]  ? kasan_check_read+0x11/0x20
[ 1214.926846]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1214.931874]  ? find_get_entry+0x3e1/0xa00
[ 1214.936024]  ? find_get_pages_contig+0xed0/0xed0
[ 1214.940792]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1214.946347]  alloc_pages_current+0x107/0x210
[ 1214.950765]  __page_cache_alloc+0x2bd/0x450
[ 1214.955104]  ? kasan_check_read+0x11/0x20
[ 1214.959268]  filemap_fault+0xfeb/0x1f00
[ 1214.963249]  ? lock_downgrade+0x880/0x880
[ 1214.967402]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1214.972085]  ? lock_acquire+0x16f/0x3f0
[ 1214.976077]  ? ext4_filemap_fault+0x7b/0xaf
[ 1214.980423]  ext4_filemap_fault+0x83/0xaf
[ 1214.984573]  __do_fault+0x111/0x480
[ 1214.988216]  __handle_mm_fault+0x2d78/0x3f80
[ 1214.992638]  ? copy_page_range+0x2030/0x2030
[ 1214.997074]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1215.001869]  handle_mm_fault+0x1b5/0x690
[ 1215.005956]  __do_page_fault+0x62a/0xe90
[ 1215.010029]  ? vmalloc_fault+0x740/0x740
[ 1215.014106]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1215.019141]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1215.024085]  ? page_fault+0x8/0x30
[ 1215.027635]  do_page_fault+0x71/0x57d
[ 1215.031448]  ? page_fault+0x8/0x30
[ 1215.034995]  page_fault+0x1e/0x30
[ 1215.038445] RIP: 0033:0x45b153
[ 1215.041658] Code: Bad RIP value.
[ 1215.045136] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1215.050493] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1215.057766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1215.065042] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1215.072493] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1215.079761] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1215.087059] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1215.087123] aoe: skb alloc failure
[ 1215.094772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1215.094800] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1215.098635] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1215.107960] Call Trace:
[ 1215.107970]  <IRQ>
[ 1215.115068] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1215.125316]  dump_stack+0x197/0x210
[ 1215.138407]  warn_alloc.cold+0x7b/0x173
[ 1215.142395]  ? zone_watermark_ok_safe+0x260/0x260
[ 1215.149337]  ? __cpuset_node_allowed+0x136/0x540
[ 1215.154096]  ? __isolate_free_page+0x4c0/0x4c0
[ 1215.158701]  ? wake_all_kswapds+0x14d/0x300
[ 1215.163036]  __alloc_pages_slowpath+0x2214/0x2870
[ 1215.167904]  ? warn_alloc+0x110/0x110
[ 1215.171723]  ? __lock_acquire+0x6ee/0x49c0
[ 1215.175954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1215.181503]  ? should_fail+0x14d/0x85c
[ 1215.185401]  ? __isolate_free_page+0x4c0/0x4c0
[ 1215.190000]  __alloc_pages_nodemask+0x617/0x750
[ 1215.194692]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1215.199746]  ? find_held_lock+0x35/0x130
[ 1215.203810]  cache_grow_begin+0x91/0x8c0
[ 1215.207878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1215.213417]  ? __cpuset_node_allowed+0x136/0x540
[ 1215.218185]  fallback_alloc+0x1fd/0x2d0
[ 1215.222163]  ____cache_alloc_node+0x1be/0x1e0
[ 1215.226780]  kmem_cache_alloc_node+0xe3/0x710
[ 1215.231271]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1215.235523]  __alloc_skb+0xd5/0x5f0
[ 1215.239147]  ? skb_trim+0x190/0x190
[ 1215.242790]  ? kasan_check_read+0x11/0x20
[ 1215.247086]  ndisc_alloc_skb+0x13c/0x340
[ 1215.251155]  ndisc_send_rs+0x35f/0x6e0
[ 1215.255069]  addrconf_rs_timer+0x30f/0x680
[ 1215.259327]  ? ipv6_get_lladdr+0x490/0x490
[ 1215.263581]  call_timer_fn+0x18d/0x720
[ 1215.267480]  ? ipv6_get_lladdr+0x490/0x490
[ 1215.271726]  ? process_timeout+0x40/0x40
[ 1215.275790]  ? run_timer_softirq+0x644/0x16a0
[ 1215.280293]  ? trace_hardirqs_on+0x67/0x220
[ 1215.284641]  ? ipv6_get_lladdr+0x490/0x490
[ 1215.288877]  run_timer_softirq+0x64f/0x16a0
[ 1215.293207]  ? add_timer+0xbe0/0xbe0
[ 1215.296919]  ? __lock_is_held+0xb6/0x140
[ 1215.300986]  __do_softirq+0x25c/0x921
[ 1215.304794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1215.310333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1215.315886]  irq_exit+0x180/0x1d0
[ 1215.319338]  smp_apic_timer_interrupt+0x13b/0x550
[ 1215.324194]  apic_timer_interrupt+0xf/0x20
[ 1215.328444]  </IRQ>
[ 1215.330682] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1215.335619] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1215.354605] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1215.362323] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1215.369618] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1215.376893] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1215.384154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1215.391427] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1215.398740]  ? find_held_lock+0x35/0x130
[ 1215.402809]  ? process_one_work+0x890/0x1750
[ 1215.407217]  skb_clone+0x156/0x3e0
[ 1215.410760]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1215.417089]  process_one_work+0x989/0x1750
[ 1215.421330]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1215.425997]  ? lock_acquire+0x16f/0x3f0
[ 1215.429970]  ? kasan_check_write+0x14/0x20
[ 1215.434225]  ? do_raw_spin_lock+0xd7/0x250
[ 1215.438479]  worker_thread+0x98/0xe40
[ 1215.442277]  ? trace_hardirqs_on+0x67/0x220
[ 1215.446619]  kthread+0x354/0x420
[ 1215.449982]  ? process_one_work+0x1750/0x1750
[ 1215.454585]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1215.460141]  ret_from_fork+0x24/0x30
[ 1215.463892] warn_alloc_show_mem: 1 callbacks suppressed
[ 1215.463902] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1215.463904] Mem-Info:
[ 1215.463934] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1215.463934]  active_file:13 inactive_file:13 isolated_file:0
[ 1215.463934]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1215.463934]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1215.463934]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1215.463934]  free:10948 free_pcp:188 free_cma:0
[ 1215.469715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1215.469725] Call Trace:
[ 1215.477189] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1215.479584]  <IRQ>
[ 1215.513261] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1215.522620]  dump_stack+0x197/0x210
[ 1215.525189] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1215.553127]  warn_alloc.cold+0x7b/0x173
[ 1215.555245] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1215.581137]  ? zone_watermark_ok_safe+0x260/0x260
[ 1215.584747] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1215.611051]  ? __cpuset_node_allowed+0x136/0x540
[ 1215.615011] lowmem_reserve[]: 0 0 1 1 1
[ 1215.620043]  ? __isolate_free_page+0x4c0/0x4c0
[ 1215.624868] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1215.653703]  ? wake_all_kswapds+0x14d/0x300
[ 1215.658433] lowmem_reserve[]: 0 0 0 0 0
[ 1215.662430]  __alloc_pages_slowpath+0x2214/0x2870
[ 1215.666990] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1215.692894]  ? warn_alloc+0x110/0x110
[ 1215.697210] lowmem_reserve[]: 0 0 0 0 0
[ 1215.701217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1215.706025] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1215.733990]  ? should_fail+0x14d/0x85c
[ 1215.737767] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1215.741754]  ? __isolate_free_page+0x4c0/0x4c0
[ 1215.747266] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1215.759801]  __alloc_pages_nodemask+0x617/0x750
[ 1215.763672] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1215.778975]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1215.783643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1215.794358]  cache_grow_begin+0x91/0x8c0
[ 1215.799005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1215.814906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1215.819929] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1215.828779]  ? __cpuset_node_allowed+0x136/0x540
[ 1215.832927] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1215.832940] 279 total pagecache pages
[ 1215.841530]  fallback_alloc+0x1fd/0x2d0
[ 1215.847049] 0 pages in swap cache
[ 1215.855906]  ____cache_alloc_node+0x1be/0x1e0
[ 1215.860655] Swap cache stats: add 0, delete 0, find 0/0
[ 1215.869229]  kmem_cache_alloc_node+0xe3/0x710
[ 1215.873100] Free swap  = 0kB
[ 1215.873110] Total swap = 0kB
[ 1215.877099]  __alloc_skb+0xd5/0x5f0
[ 1215.880519] 1965979 pages RAM
[ 1215.885122]  ? skb_trim+0x190/0x190
[ 1215.890461] 0 pages HighMem/MovableOnly
[ 1215.890479] 341741 pages reserved
[ 1215.894984]  ? check_preemption_disabled+0x48/0x290
[ 1215.897986] 0 pages cma reserved
[ 1215.900999]  ? lock_acquire+0x16f/0x3f0
[ 1215.904657] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1215.907715]  new_skb+0x28/0x1d0
[ 1215.911397] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1215.915317]  aoecmd_cfg+0x1b5/0x640
[ 1215.918759] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1215.923775]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1215.964154]  ? timer_reduce+0x11d0/0x11d0
[ 1215.968306]  discover_timer+0x4e/0x60
[ 1215.972100]  call_timer_fn+0x18d/0x720
[ 1215.976011]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1215.980672]  ? process_timeout+0x40/0x40
[ 1215.984737]  ? run_timer_softirq+0x644/0x16a0
[ 1215.989235]  ? trace_hardirqs_on+0x67/0x220
[ 1215.993721]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1215.998398]  run_timer_softirq+0x64f/0x16a0
[ 1216.002728]  ? add_timer+0xbe0/0xbe0
[ 1216.006439]  ? __lock_is_held+0xb6/0x140
[ 1216.010521]  __do_softirq+0x25c/0x921
[ 1216.014316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1216.019845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1216.025389]  irq_exit+0x180/0x1d0
[ 1216.028839]  smp_apic_timer_interrupt+0x13b/0x550
[ 1216.033683]  apic_timer_interrupt+0xf/0x20
[ 1216.037921]  </IRQ>
[ 1216.040173] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1216.045031] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1216.063957] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1216.071681] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1216.078944] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1216.086232] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1216.093507] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1216.100776] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1216.108065]  ? netconsole_netdev_event+0x280/0x280
[ 1216.112995]  ? console_unlock+0xf36/0x10d0
[ 1216.117255]  vprintk_emit+0x280/0x6d0
[ 1216.121078]  vprintk_default+0x28/0x30
[ 1216.124973]  vprintk_func+0x7e/0x189
[ 1216.128686]  printk+0xba/0xed
[ 1216.131789]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1216.136559]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1216.141197]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1216.146329]  dump_header+0x44b/0xa55
[ 1216.150041]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1216.155158]  ? ___ratelimit+0x60/0x595
[ 1216.159037]  ? do_raw_spin_unlock+0x181/0x270
[ 1216.163546]  oom_kill_process.cold+0x10/0x6ef
[ 1216.168077]  ? lock_downgrade+0x880/0x880
[ 1216.172224]  ? kasan_check_read+0x11/0x20
[ 1216.176386]  out_of_memory+0x362/0x1330
[ 1216.180364]  ? oom_killer_disable+0x280/0x280
[ 1216.184910]  ? mutex_trylock+0x18e/0x1e0
[ 1216.188984]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1216.193919]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1216.198775]  ? warn_alloc+0x110/0x110
[ 1216.202689]  ? __lock_is_held+0xb6/0x140
[ 1216.206751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1216.212299]  ? should_fail+0x14d/0x85c
[ 1216.216191]  ? __might_sleep+0x95/0x190
[ 1216.220163]  __alloc_pages_nodemask+0x617/0x750
[ 1216.224841]  ? kasan_check_read+0x11/0x20
[ 1216.229001]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1216.234019]  ? find_get_entry+0x3e1/0xa00
[ 1216.238188]  ? find_get_pages_contig+0xed0/0xed0
[ 1216.243091]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1216.248628]  alloc_pages_current+0x107/0x210
[ 1216.253058]  __page_cache_alloc+0x2bd/0x450
[ 1216.257383]  ? kasan_check_read+0x11/0x20
[ 1216.261550]  filemap_fault+0xfeb/0x1f00
[ 1216.265540]  ? lock_downgrade+0x880/0x880
[ 1216.269733]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1216.274414]  ? lock_acquire+0x16f/0x3f0
[ 1216.278403]  ? ext4_filemap_fault+0x7b/0xaf
[ 1216.282729]  ext4_filemap_fault+0x83/0xaf
[ 1216.286892]  __do_fault+0x111/0x480
[ 1216.290535]  __handle_mm_fault+0x2d78/0x3f80
[ 1216.294954]  ? copy_page_range+0x2030/0x2030
[ 1216.299392]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1216.304067]  handle_mm_fault+0x1b5/0x690
[ 1216.308142]  __do_page_fault+0x62a/0xe90
[ 1216.312237]  ? vmalloc_fault+0x740/0x740
[ 1216.316322]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1216.321341]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1216.326278]  ? page_fault+0x8/0x30
[ 1216.329842]  do_page_fault+0x71/0x57d
[ 1216.333652]  ? page_fault+0x8/0x30
[ 1216.337213]  page_fault+0x1e/0x30
[ 1216.340681] RIP: 0033:0x45b153
[ 1216.343875] Code: Bad RIP value.
[ 1216.347349] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1216.352715] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1216.359981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1216.367353] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1216.374629] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1216.381899] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1216.389192] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1216.389248] aoe: skb alloc failure
[ 1216.396908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1216.396936] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1216.396942] Call Trace:
[ 1216.396949]  <IRQ>
[ 1216.396967]  dump_stack+0x197/0x210
[ 1216.396987]  warn_alloc.cold+0x7b/0x173
[ 1216.400548] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1216.409891]  ? zone_watermark_ok_safe+0x260/0x260
[ 1216.417075] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1216.419674]  ? __cpuset_node_allowed+0x136/0x540
[ 1216.454338]  ? __isolate_free_page+0x4c0/0x4c0
[ 1216.459002]  ? wake_all_kswapds+0x14d/0x300
[ 1216.463325]  __alloc_pages_slowpath+0x2214/0x2870
[ 1216.468200]  ? warn_alloc+0x110/0x110
[ 1216.472025]  ? __lock_acquire+0x6ee/0x49c0
[ 1216.476277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1216.481833]  ? should_fail+0x14d/0x85c
[ 1216.485736]  ? __isolate_free_page+0x4c0/0x4c0
[ 1216.490321]  __alloc_pages_nodemask+0x617/0x750
[ 1216.494995]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1216.500044]  ? find_held_lock+0x35/0x130
[ 1216.504115]  cache_grow_begin+0x91/0x8c0
[ 1216.508303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1216.513834]  ? __cpuset_node_allowed+0x136/0x540
[ 1216.518586]  fallback_alloc+0x1fd/0x2d0
[ 1216.522560]  ____cache_alloc_node+0x1be/0x1e0
[ 1216.527072]  kmem_cache_alloc_node+0xe3/0x710
[ 1216.531582]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1216.535826]  __alloc_skb+0xd5/0x5f0
[ 1216.539473]  ? skb_trim+0x190/0x190
[ 1216.543114]  ? kasan_check_read+0x11/0x20
[ 1216.547267]  ndisc_alloc_skb+0x13c/0x340
[ 1216.551339]  ndisc_send_rs+0x35f/0x6e0
[ 1216.555231]  addrconf_rs_timer+0x30f/0x680
[ 1216.559476]  ? ipv6_get_lladdr+0x490/0x490
[ 1216.563728]  call_timer_fn+0x18d/0x720
[ 1216.567606]  ? ipv6_get_lladdr+0x490/0x490
[ 1216.571852]  ? process_timeout+0x40/0x40
[ 1216.575907]  ? run_timer_softirq+0x644/0x16a0
[ 1216.580413]  ? trace_hardirqs_on+0x67/0x220
[ 1216.584843]  ? ipv6_get_lladdr+0x490/0x490
[ 1216.589083]  run_timer_softirq+0x64f/0x16a0
[ 1216.593406]  ? add_timer+0xbe0/0xbe0
[ 1216.597131]  ? __lock_is_held+0xb6/0x140
[ 1216.601210]  __do_softirq+0x25c/0x921
[ 1216.605003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1216.610541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1216.616093]  irq_exit+0x180/0x1d0
[ 1216.619560]  smp_apic_timer_interrupt+0x13b/0x550
[ 1216.624401]  apic_timer_interrupt+0xf/0x20
[ 1216.628638]  </IRQ>
[ 1216.630874] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1216.635807] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1216.654718] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1216.662610] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1216.669873] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1216.677140] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1216.684414] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1216.691683] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1216.699069]  ? find_held_lock+0x35/0x130
[ 1216.703155]  ? process_one_work+0x890/0x1750
[ 1216.707565]  skb_clone+0x156/0x3e0
[ 1216.711109]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1216.717489]  process_one_work+0x989/0x1750
[ 1216.721814]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1216.726553]  ? lock_acquire+0x16f/0x3f0
[ 1216.730537]  ? kasan_check_write+0x14/0x20
[ 1216.734797]  ? do_raw_spin_lock+0xd7/0x250
[ 1216.739043]  worker_thread+0x98/0xe40
[ 1216.742859]  ? trace_hardirqs_on+0x67/0x220
[ 1216.747208]  kthread+0x354/0x420
[ 1216.750578]  ? process_one_work+0x1750/0x1750
[ 1216.755071]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1216.760629]  ret_from_fork+0x24/0x30
[ 1216.764351] warn_alloc_show_mem: 1 callbacks suppressed
[ 1216.764361] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1216.764363] Mem-Info:
[ 1216.764393] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1216.764393]  active_file:13 inactive_file:13 isolated_file:0
[ 1216.764393]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1216.764393]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1216.764393]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1216.764393]  free:10948 free_pcp:188 free_cma:0
[ 1216.769752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1216.769762] Call Trace:
[ 1216.777222] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1216.779618]  <IRQ>
[ 1216.812623] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1216.821985]  dump_stack+0x197/0x210
[ 1216.824544] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1216.852155]  warn_alloc.cold+0x7b/0x173
[ 1216.854446] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1216.880425]  ? zone_watermark_ok_safe+0x260/0x260
[ 1216.884034] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1216.910280]  ? __cpuset_node_allowed+0x136/0x540
[ 1216.915229] lowmem_reserve[]: 0 0 1 1 1
[ 1216.920635]  ? __isolate_free_page+0x4c0/0x4c0
[ 1216.925467] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1216.956148]  ? wake_all_kswapds+0x14d/0x300
[ 1216.961219] lowmem_reserve[]: 0 0 0 0 0
[ 1216.965515]  __alloc_pages_slowpath+0x2214/0x2870
[ 1216.970188] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1216.997581]  ? warn_alloc+0x110/0x110
[ 1217.002168] lowmem_reserve[]: 0 0 0 0 0
[ 1217.006380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1217.011306] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1217.039169]  ? should_fail+0x14d/0x85c
[ 1217.042957] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1217.046944]  ? __isolate_free_page+0x4c0/0x4c0
[ 1217.052552] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1217.065090]  __alloc_pages_nodemask+0x617/0x750
[ 1217.068935] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1217.084209]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1217.088767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1217.099440]  cache_grow_begin+0x91/0x8c0
[ 1217.104082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1217.119878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1217.124896] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1217.133739]  ? __cpuset_node_allowed+0x136/0x540
[ 1217.137803] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1217.137813] 279 total pagecache pages
[ 1217.146414]  fallback_alloc+0x1fd/0x2d0
[ 1217.151950] 0 pages in swap cache
[ 1217.160797]  ____cache_alloc_node+0x1be/0x1e0
[ 1217.165550] Swap cache stats: add 0, delete 0, find 0/0
[ 1217.174135]  kmem_cache_alloc_node+0xe3/0x710
[ 1217.177912] Free swap  = 0kB
[ 1217.181895]  __alloc_skb+0xd5/0x5f0
[ 1217.185317] Total swap = 0kB
[ 1217.189807]  ? skb_trim+0x190/0x190
[ 1217.195165] 1965979 pages RAM
[ 1217.199682]  ? check_preemption_disabled+0x48/0x290
[ 1217.202669] 0 pages HighMem/MovableOnly
[ 1217.206319]  ? lock_acquire+0x16f/0x3f0
[ 1217.209314] 341741 pages reserved
[ 1217.209323] 0 pages cma reserved
[ 1217.212964]  new_skb+0x28/0x1d0
[ 1217.216161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1217.221127]  aoecmd_cfg+0x1b5/0x640
[ 1217.225220] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1217.229087]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1217.232527] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1217.235908]  ? timer_reduce+0x11d0/0x11d0
[ 1217.272088]  discover_timer+0x4e/0x60
[ 1217.275900]  call_timer_fn+0x18d/0x720
[ 1217.279803]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1217.284495]  ? process_timeout+0x40/0x40
[ 1217.288575]  ? run_timer_softirq+0x644/0x16a0
[ 1217.293072]  ? trace_hardirqs_on+0x67/0x220
[ 1217.297406]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1217.302193]  run_timer_softirq+0x64f/0x16a0
[ 1217.306526]  ? add_timer+0xbe0/0xbe0
[ 1217.310235]  ? __lock_is_held+0xb6/0x140
[ 1217.314313]  __do_softirq+0x25c/0x921
[ 1217.318118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1217.323663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1217.329223]  irq_exit+0x180/0x1d0
[ 1217.332687]  smp_apic_timer_interrupt+0x13b/0x550
[ 1217.337527]  apic_timer_interrupt+0xf/0x20
[ 1217.341758]  </IRQ>
[ 1217.344051] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1217.349007] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1217.368005] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1217.375831] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1217.383225] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1217.390695] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1217.397960] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1217.405321] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1217.412615]  ? netconsole_netdev_event+0x280/0x280
[ 1217.417545]  ? console_unlock+0xf36/0x10d0
[ 1217.421788]  vprintk_emit+0x280/0x6d0
[ 1217.425586]  vprintk_default+0x28/0x30
[ 1217.429491]  vprintk_func+0x7e/0x189
[ 1217.433221]  printk+0xba/0xed
[ 1217.436322]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1217.441187]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1217.445710]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1217.450769]  dump_header+0x44b/0xa55
[ 1217.454502]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1217.459661]  ? ___ratelimit+0x60/0x595
[ 1217.463571]  ? do_raw_spin_unlock+0x181/0x270
[ 1217.468073]  oom_kill_process.cold+0x10/0x6ef
[ 1217.472592]  ? lock_downgrade+0x880/0x880
[ 1217.476761]  ? kasan_check_read+0x11/0x20
[ 1217.480914]  out_of_memory+0x362/0x1330
[ 1217.484906]  ? oom_killer_disable+0x280/0x280
[ 1217.489417]  ? mutex_trylock+0x18e/0x1e0
[ 1217.493479]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1217.498419]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1217.503316]  ? warn_alloc+0x110/0x110
[ 1217.507134]  ? __lock_is_held+0xb6/0x140
[ 1217.511200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1217.516748]  ? should_fail+0x14d/0x85c
[ 1217.522121]  ? __might_sleep+0x95/0x190
[ 1217.526119]  __alloc_pages_nodemask+0x617/0x750
[ 1217.530788]  ? kasan_check_read+0x11/0x20
[ 1217.535089]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1217.540124]  ? find_get_entry+0x3e1/0xa00
[ 1217.544294]  ? find_get_pages_contig+0xed0/0xed0
[ 1217.549066]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1217.554644]  alloc_pages_current+0x107/0x210
[ 1217.559074]  __page_cache_alloc+0x2bd/0x450
[ 1217.563409]  ? kasan_check_read+0x11/0x20
[ 1217.567571]  filemap_fault+0xfeb/0x1f00
[ 1217.571574]  ? lock_downgrade+0x880/0x880
[ 1217.575863]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1217.580566]  ? lock_acquire+0x16f/0x3f0
[ 1217.584539]  ? ext4_filemap_fault+0x7b/0xaf
[ 1217.588872]  ext4_filemap_fault+0x83/0xaf
[ 1217.593033]  __do_fault+0x111/0x480
[ 1217.596658]  __handle_mm_fault+0x2d78/0x3f80
[ 1217.601071]  ? copy_page_range+0x2030/0x2030
[ 1217.605601]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1217.610283]  handle_mm_fault+0x1b5/0x690
[ 1217.614362]  __do_page_fault+0x62a/0xe90
[ 1217.618423]  ? vmalloc_fault+0x740/0x740
[ 1217.622474]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1217.627482]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1217.632424]  ? page_fault+0x8/0x30
[ 1217.635976]  do_page_fault+0x71/0x57d
[ 1217.639770]  ? page_fault+0x8/0x30
[ 1217.643325]  page_fault+0x1e/0x30
[ 1217.646774] RIP: 0033:0x45b153
[ 1217.649976] Code: Bad RIP value.
[ 1217.653330] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1217.658692] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1217.665962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1217.673226] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1217.680510] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1217.687790] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1217.695082] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1217.695139] aoe: skb alloc failure
[ 1217.702796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1217.702823] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1217.706395] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1217.715830] Call Trace:
[ 1217.722919] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1217.733142]  <IRQ>
[ 1217.742659]  dump_stack+0x197/0x210
[ 1217.746410]  warn_alloc.cold+0x7b/0x173
[ 1217.750400]  ? zone_watermark_ok_safe+0x260/0x260
[ 1217.755275]  ? __cpuset_node_allowed+0x136/0x540
[ 1217.760049]  ? __isolate_free_page+0x4c0/0x4c0
[ 1217.764635]  ? wake_all_kswapds+0x14d/0x300
[ 1217.768959]  __alloc_pages_slowpath+0x2214/0x2870
[ 1217.773853]  ? warn_alloc+0x110/0x110
[ 1217.777655]  ? lock_downgrade+0x880/0x880
[ 1217.781796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1217.787536]  ? should_fail+0x14d/0x85c
[ 1217.791423]  ? __isolate_free_page+0x4c0/0x4c0
[ 1217.796196]  __alloc_pages_nodemask+0x617/0x750
[ 1217.800868]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1217.805895]  ? mark_held_locks+0x100/0x100
[ 1217.810124]  ? mod_timer+0x576/0x1030
[ 1217.813938]  page_frag_alloc+0x541/0x670
[ 1217.818008]  ? check_preemption_disabled+0x48/0x290
[ 1217.823098]  __netdev_alloc_skb+0x20a/0x470
[ 1217.827465]  send_hsr_supervision_frame+0x110/0xfc0
[ 1217.832490]  ? lock_acquire+0x16f/0x3f0
[ 1217.836489]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1217.841524]  hsr_announce+0x12f/0x3b0
[ 1217.845337]  call_timer_fn+0x18d/0x720
[ 1217.849234]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1217.854542]  ? process_timeout+0x40/0x40
[ 1217.858602]  ? run_timer_softirq+0x644/0x16a0
[ 1217.863112]  ? trace_hardirqs_on+0x67/0x220
[ 1217.867451]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1217.872658]  run_timer_softirq+0x64f/0x16a0
[ 1217.876999]  ? add_timer+0xbe0/0xbe0
[ 1217.880734]  ? __lock_is_held+0xb6/0x140
[ 1217.884815]  __do_softirq+0x25c/0x921
[ 1217.888632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1217.894175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1217.899739]  irq_exit+0x180/0x1d0
[ 1217.903193]  smp_apic_timer_interrupt+0x13b/0x550
[ 1217.908034]  apic_timer_interrupt+0xf/0x20
[ 1217.912267]  </IRQ>
[ 1217.914502] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1217.919444] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1217.938375] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1217.946077] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1217.953352] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1217.960631] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1217.967892] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1217.975184] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1217.982605]  ? find_held_lock+0x35/0x130
[ 1217.986665]  ? process_one_work+0x890/0x1750
[ 1217.991099]  skb_clone+0x156/0x3e0
[ 1217.994662]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1218.000999]  process_one_work+0x989/0x1750
[ 1218.005260]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1218.009930]  ? lock_acquire+0x16f/0x3f0
[ 1218.013942]  ? kasan_check_write+0x14/0x20
[ 1218.018173]  ? do_raw_spin_lock+0xd7/0x250
[ 1218.022405]  worker_thread+0x98/0xe40
[ 1218.026202]  ? trace_hardirqs_on+0x67/0x220
[ 1218.030548]  kthread+0x354/0x420
[ 1218.033925]  ? process_one_work+0x1750/0x1750
[ 1218.038436]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1218.044165]  ret_from_fork+0x24/0x30
[ 1218.048009] warn_alloc_show_mem: 1 callbacks suppressed
[ 1218.048019] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1218.048022] Mem-Info:
[ 1218.048059] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1218.048059]  active_file:13 inactive_file:13 isolated_file:0
[ 1218.048059]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1218.048059]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1218.048059]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1218.048059]  free:10948 free_pcp:188 free_cma:0
[ 1218.053397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1218.053407] Call Trace:
[ 1218.060876] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1218.063275]  <IRQ>
[ 1218.096264] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1218.105622]  dump_stack+0x197/0x210
[ 1218.108304] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1218.135912]  warn_alloc.cold+0x7b/0x173
[ 1218.138111] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1218.164015]  ? zone_watermark_ok_safe+0x260/0x260
[ 1218.167619] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1218.193952]  ? __cpuset_node_allowed+0x136/0x540
[ 1218.197917] lowmem_reserve[]: 0 0 1 1 1
[ 1218.202959]  ? __isolate_free_page+0x4c0/0x4c0
[ 1218.207805] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1218.236745]  ? wake_all_kswapds+0x14d/0x300
[ 1218.241610] lowmem_reserve[]: 0 0 0 0 0
[ 1218.245653]  __alloc_pages_slowpath+0x2214/0x2870
[ 1218.250218] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1218.276109]  ? warn_alloc+0x110/0x110
[ 1218.280395] lowmem_reserve[]: 0 0 0 0 0
[ 1218.284392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1218.289221] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1218.317103]  ? should_fail+0x14d/0x85c
[ 1218.321015] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1218.325073]  ? __isolate_free_page+0x4c0/0x4c0
[ 1218.330601] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1218.343149]  __alloc_pages_nodemask+0x617/0x750
[ 1218.347093] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1218.362380]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1218.366941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1218.377630]  cache_grow_begin+0x91/0x8c0
[ 1218.382282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1218.398191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1218.403201] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1218.412048]  ? __cpuset_node_allowed+0x136/0x540
[ 1218.416110] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1218.424864]  fallback_alloc+0x1fd/0x2d0
[ 1218.430394] 279 total pagecache pages
[ 1218.439253]  ____cache_alloc_node+0x1be/0x1e0
[ 1218.444132] 0 pages in swap cache
[ 1218.452823]  kmem_cache_alloc_node+0xe3/0x710
[ 1218.456780] Swap cache stats: add 0, delete 0, find 0/0
[ 1218.456789] Free swap  = 0kB
[ 1218.460623]  __alloc_skb+0xd5/0x5f0
[ 1218.465077] Total swap = 0kB
[ 1218.465088] 1965979 pages RAM
[ 1218.468562]  ? skb_trim+0x190/0x190
[ 1218.473041] 0 pages HighMem/MovableOnly
[ 1218.478418]  ? check_preemption_disabled+0x48/0x290
[ 1218.481408] 341741 pages reserved
[ 1218.485075]  ? lock_acquire+0x16f/0x3f0
[ 1218.488103] 0 pages cma reserved
[ 1218.491227]  new_skb+0x28/0x1d0
[ 1218.495100] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1218.498809]  aoecmd_cfg+0x1b5/0x640
[ 1218.503801] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1218.507269]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1218.540153]  ? timer_reduce+0x11d0/0x11d0
[ 1218.544310]  discover_timer+0x4e/0x60
[ 1218.548211]  call_timer_fn+0x18d/0x720
[ 1218.552479]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1218.557158]  ? process_timeout+0x40/0x40
[ 1218.561222]  ? run_timer_softirq+0x644/0x16a0
[ 1218.565734]  ? trace_hardirqs_on+0x67/0x220
[ 1218.570060]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1218.574723]  run_timer_softirq+0x64f/0x16a0
[ 1218.579044]  ? add_timer+0xbe0/0xbe0
[ 1218.582752]  ? __lock_is_held+0xb6/0x140
[ 1218.586919]  __do_softirq+0x25c/0x921
[ 1218.590715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1218.596254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1218.601803]  irq_exit+0x180/0x1d0
[ 1218.605255]  smp_apic_timer_interrupt+0x13b/0x550
[ 1218.610108]  apic_timer_interrupt+0xf/0x20
[ 1218.614331]  </IRQ>
[ 1218.616565] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1218.621415] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1218.640419] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1218.648134] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1218.655525] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1218.662799] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1218.670066] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1218.677343] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1218.684628]  ? netconsole_netdev_event+0x280/0x280
[ 1218.689616]  ? console_unlock+0xf36/0x10d0
[ 1218.693874]  vprintk_emit+0x280/0x6d0
[ 1218.697678]  vprintk_default+0x28/0x30
[ 1218.701562]  vprintk_func+0x7e/0x189
[ 1218.705267]  printk+0xba/0xed
[ 1218.708381]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1218.713154]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1218.717654]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1218.722691]  dump_header+0x44b/0xa55
[ 1218.726417]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1218.731527]  ? ___ratelimit+0x60/0x595
[ 1218.735411]  ? do_raw_spin_unlock+0x181/0x270
[ 1218.739912]  oom_kill_process.cold+0x10/0x6ef
[ 1218.744426]  ? lock_downgrade+0x880/0x880
[ 1218.748594]  ? kasan_check_read+0x11/0x20
[ 1218.752757]  out_of_memory+0x362/0x1330
[ 1218.756747]  ? oom_killer_disable+0x280/0x280
[ 1218.761239]  ? mutex_trylock+0x18e/0x1e0
[ 1218.765317]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1218.770250]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1218.775131]  ? warn_alloc+0x110/0x110
[ 1218.778935]  ? __lock_is_held+0xb6/0x140
[ 1218.782996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1218.788545]  ? should_fail+0x14d/0x85c
[ 1218.792453]  ? __might_sleep+0x95/0x190
[ 1218.796442]  __alloc_pages_nodemask+0x617/0x750
[ 1218.801112]  ? kasan_check_read+0x11/0x20
[ 1218.805257]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1218.810334]  ? find_get_entry+0x3e1/0xa00
[ 1218.814515]  ? find_get_pages_contig+0xed0/0xed0
[ 1218.819268]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1218.824962]  alloc_pages_current+0x107/0x210
[ 1218.829391]  __page_cache_alloc+0x2bd/0x450
[ 1218.833735]  ? kasan_check_read+0x11/0x20
[ 1218.837889]  filemap_fault+0xfeb/0x1f00
[ 1218.841868]  ? lock_downgrade+0x880/0x880
[ 1218.846019]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1218.850701]  ? lock_acquire+0x16f/0x3f0
[ 1218.854678]  ? ext4_filemap_fault+0x7b/0xaf
[ 1218.859018]  ext4_filemap_fault+0x83/0xaf
[ 1218.863214]  __do_fault+0x111/0x480
[ 1218.866844]  __handle_mm_fault+0x2d78/0x3f80
[ 1218.871281]  ? copy_page_range+0x2030/0x2030
[ 1218.875722]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1218.880392]  handle_mm_fault+0x1b5/0x690
[ 1218.884456]  __do_page_fault+0x62a/0xe90
[ 1218.888540]  ? vmalloc_fault+0x740/0x740
[ 1218.892610]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1218.897631]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1218.902756]  ? page_fault+0x8/0x30
[ 1218.906304]  do_page_fault+0x71/0x57d
[ 1218.910121]  ? page_fault+0x8/0x30
[ 1218.913670]  page_fault+0x1e/0x30
[ 1218.917123] RIP: 0033:0x45b153
[ 1218.920342] Code: Bad RIP value.
[ 1218.923708] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1218.929074] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1218.936355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1218.944238] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1218.951619] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1218.959055] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1218.966355] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1218.966412] aoe: skb alloc failure
[ 1218.974075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1218.974102] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1218.974109] Call Trace:
[ 1218.974116]  <IRQ>
[ 1218.974135]  dump_stack+0x197/0x210
[ 1218.974156]  warn_alloc.cold+0x7b/0x173
[ 1218.977712] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1218.987057]  ? zone_watermark_ok_safe+0x260/0x260
[ 1218.994131] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1218.996724]  ? __cpuset_node_allowed+0x136/0x540
[ 1219.031001]  ? __isolate_free_page+0x4c0/0x4c0
[ 1219.035720]  ? wake_all_kswapds+0x14d/0x300
[ 1219.040042]  __alloc_pages_slowpath+0x2214/0x2870
[ 1219.044894]  ? warn_alloc+0x110/0x110
[ 1219.048690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1219.054223]  ? should_fail+0x14d/0x85c
[ 1219.058104]  ? __isolate_free_page+0x4c0/0x4c0
[ 1219.062703]  __alloc_pages_nodemask+0x617/0x750
[ 1219.067373]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1219.072418]  ? mark_held_locks+0x100/0x100
[ 1219.076657]  ? trace_hardirqs_on+0x67/0x220
[ 1219.080985]  page_frag_alloc+0x541/0x670
[ 1219.085040]  ? check_preemption_disabled+0x48/0x290
[ 1219.090053]  __netdev_alloc_skb+0x20a/0x470
[ 1219.094405]  send_hsr_supervision_frame+0x110/0xfc0
[ 1219.099417]  ? lock_acquire+0x16f/0x3f0
[ 1219.103392]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1219.108428]  hsr_announce+0x12f/0x3b0
[ 1219.112354]  call_timer_fn+0x18d/0x720
[ 1219.116240]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1219.121422]  ? process_timeout+0x40/0x40
[ 1219.125491]  ? run_timer_softirq+0x644/0x16a0
[ 1219.129999]  ? trace_hardirqs_on+0x67/0x220
[ 1219.134328]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1219.139537]  run_timer_softirq+0x64f/0x16a0
[ 1219.143857]  ? add_timer+0xbe0/0xbe0
[ 1219.147569]  ? __lock_is_held+0xb6/0x140
[ 1219.151636]  __do_softirq+0x25c/0x921
[ 1219.155427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1219.160969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1219.166539]  irq_exit+0x180/0x1d0
[ 1219.170018]  smp_apic_timer_interrupt+0x13b/0x550
[ 1219.174871]  apic_timer_interrupt+0xf/0x20
[ 1219.179099]  </IRQ>
[ 1219.181337] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1219.186272] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1219.205285] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1219.213013] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1219.220283] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1219.227565] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1219.234829] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1219.242195] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1219.249503]  ? find_held_lock+0x35/0x130
[ 1219.253576]  ? process_one_work+0x890/0x1750
[ 1219.258025]  skb_clone+0x156/0x3e0
[ 1219.261590]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1219.267932]  process_one_work+0x989/0x1750
[ 1219.272203]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1219.276884]  ? lock_acquire+0x16f/0x3f0
[ 1219.280862]  ? kasan_check_write+0x14/0x20
[ 1219.285100]  ? do_raw_spin_lock+0xd7/0x250
[ 1219.289348]  worker_thread+0x98/0xe40
[ 1219.293160]  ? trace_hardirqs_on+0x67/0x220
[ 1219.298022]  kthread+0x354/0x420
[ 1219.301402]  ? process_one_work+0x1750/0x1750
[ 1219.305892]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1219.311432]  ret_from_fork+0x24/0x30
[ 1219.315160] warn_alloc_show_mem: 1 callbacks suppressed
[ 1219.315170] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1219.315172] Mem-Info:
[ 1219.315203] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1219.315203]  active_file:13 inactive_file:13 isolated_file:0
[ 1219.315203]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1219.315203]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1219.315203]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1219.315203]  free:10948 free_pcp:188 free_cma:0
[ 1219.320579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1219.320588] Call Trace:
[ 1219.328069] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1219.330463]  <IRQ>
[ 1219.363544] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1219.372912]  dump_stack+0x197/0x210
[ 1219.375483] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1219.403086]  warn_alloc.cold+0x7b/0x173
[ 1219.405212] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1219.431095]  ? zone_watermark_ok_safe+0x260/0x260
[ 1219.434703] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1219.460834]  ? __cpuset_node_allowed+0x136/0x540
[ 1219.464882] lowmem_reserve[]: 0 0 1 1 1
[ 1219.469927]  ? __isolate_free_page+0x4c0/0x4c0
[ 1219.474740] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1219.503565]  ? wake_all_kswapds+0x14d/0x300
[ 1219.508318] lowmem_reserve[]: 0 0 0 0 0
[ 1219.512325]  __alloc_pages_slowpath+0x2214/0x2870
[ 1219.516889] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1219.542698]  ? warn_alloc+0x110/0x110
[ 1219.547024] lowmem_reserve[]: 0 0 0 0 0
[ 1219.551000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1219.555831] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1219.583594]  ? should_fail+0x14d/0x85c
[ 1219.587374] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1219.591355]  ? __isolate_free_page+0x4c0/0x4c0
[ 1219.596858] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1219.609359]  __alloc_pages_nodemask+0x617/0x750
[ 1219.613214] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1219.628476]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1219.633054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1219.643717]  cache_grow_begin+0x91/0x8c0
[ 1219.648360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1219.664135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1219.669128] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1219.678041]  ? __cpuset_node_allowed+0x136/0x540
[ 1219.682080] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1219.690645]  fallback_alloc+0x1fd/0x2d0
[ 1219.696163] 279 total pagecache pages
[ 1219.696178] 0 pages in swap cache
[ 1219.705013]  ____cache_alloc_node+0x1be/0x1e0
[ 1219.709748] Swap cache stats: add 0, delete 0, find 0/0
[ 1219.709756] Free swap  = 0kB
[ 1219.718331]  kmem_cache_alloc_node+0xe3/0x710
[ 1219.722289] Total swap = 0kB
[ 1219.726087]  __alloc_skb+0xd5/0x5f0
[ 1219.729516] 1965979 pages RAM
[ 1219.734025]  ? skb_trim+0x190/0x190
[ 1219.739361] 0 pages HighMem/MovableOnly
[ 1219.742491]  ? check_preemption_disabled+0x48/0x290
[ 1219.746981] 341741 pages reserved
[ 1219.746992] 0 pages cma reserved
[ 1219.750031]  ? lock_acquire+0x16f/0x3f0
[ 1219.753780] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1219.756751]  new_skb+0x28/0x1d0
[ 1219.760364] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1219.764331]  aoecmd_cfg+0x1b5/0x640
[ 1219.801262]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1219.805579]  ? timer_reduce+0x11d0/0x11d0
[ 1219.809726]  discover_timer+0x4e/0x60
[ 1219.813515]  call_timer_fn+0x18d/0x720
[ 1219.817398]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1219.822061]  ? process_timeout+0x40/0x40
[ 1219.826114]  ? run_timer_softirq+0x644/0x16a0
[ 1219.830605]  ? trace_hardirqs_on+0x67/0x220
[ 1219.834925]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1219.839588]  run_timer_softirq+0x64f/0x16a0
[ 1219.843917]  ? add_timer+0xbe0/0xbe0
[ 1219.847626]  ? __lock_is_held+0xb6/0x140
[ 1219.851693]  __do_softirq+0x25c/0x921
[ 1219.855490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1219.861030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1219.866660]  irq_exit+0x180/0x1d0
[ 1219.870108]  smp_apic_timer_interrupt+0x13b/0x550
[ 1219.874946]  apic_timer_interrupt+0xf/0x20
[ 1219.879170]  </IRQ>
[ 1219.881411] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1219.886249] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1219.905243] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1219.912964] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1219.920254] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1219.927520] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1219.934788] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1219.942067] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1219.949356]  ? netconsole_netdev_event+0x280/0x280
[ 1219.954282]  ? console_unlock+0xf36/0x10d0
[ 1219.958520]  vprintk_emit+0x280/0x6d0
[ 1219.962314]  vprintk_default+0x28/0x30
[ 1219.966191]  vprintk_func+0x7e/0x189
[ 1219.969905]  printk+0xba/0xed
[ 1219.973000]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1219.977753]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1219.982258]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1219.987443]  dump_header+0x44b/0xa55
[ 1219.991150]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1219.996256]  ? ___ratelimit+0x60/0x595
[ 1220.000145]  ? do_raw_spin_unlock+0x181/0x270
[ 1220.004643]  oom_kill_process.cold+0x10/0x6ef
[ 1220.009141]  ? lock_downgrade+0x880/0x880
[ 1220.013284]  ? kasan_check_read+0x11/0x20
[ 1220.017423]  out_of_memory+0x362/0x1330
[ 1220.021411]  ? oom_killer_disable+0x280/0x280
[ 1220.025922]  ? mutex_trylock+0x18e/0x1e0
[ 1220.029980]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1220.034914]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1220.039774]  ? warn_alloc+0x110/0x110
[ 1220.043566]  ? __lock_is_held+0xb6/0x140
[ 1220.047620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1220.053160]  ? should_fail+0x14d/0x85c
[ 1220.057045]  ? __might_sleep+0x95/0x190
[ 1220.061016]  __alloc_pages_nodemask+0x617/0x750
[ 1220.065676]  ? kasan_check_read+0x11/0x20
[ 1220.069849]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1220.074880]  ? find_get_entry+0x3e1/0xa00
[ 1220.079048]  ? find_get_pages_contig+0xed0/0xed0
[ 1220.083823]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1220.089385]  alloc_pages_current+0x107/0x210
[ 1220.093796]  __page_cache_alloc+0x2bd/0x450
[ 1220.098109]  ? kasan_check_read+0x11/0x20
[ 1220.102256]  filemap_fault+0xfeb/0x1f00
[ 1220.106230]  ? lock_downgrade+0x880/0x880
[ 1220.110394]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1220.115089]  ? lock_acquire+0x16f/0x3f0
[ 1220.119060]  ? ext4_filemap_fault+0x7b/0xaf
[ 1220.123755]  ext4_filemap_fault+0x83/0xaf
[ 1220.128522]  __do_fault+0x111/0x480
[ 1220.132171]  __handle_mm_fault+0x2d78/0x3f80
[ 1220.136600]  ? copy_page_range+0x2030/0x2030
[ 1220.141025]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1220.145689]  handle_mm_fault+0x1b5/0x690
[ 1220.149750]  __do_page_fault+0x62a/0xe90
[ 1220.153813]  ? vmalloc_fault+0x740/0x740
[ 1220.157874]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1220.162888]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1220.167812]  ? page_fault+0x8/0x30
[ 1220.171346]  do_page_fault+0x71/0x57d
[ 1220.175170]  ? page_fault+0x8/0x30
[ 1220.178708]  page_fault+0x1e/0x30
[ 1220.182153] RIP: 0033:0x45b153
[ 1220.185350] Code: Bad RIP value.
[ 1220.188700] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1220.194060] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1220.201333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1220.208591] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1220.215857] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1220.223127] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1220.230421] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1220.230480] aoe: skb alloc failure
[ 1220.238142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1220.238168] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1220.238179] Call Trace:
[ 1220.241751] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1220.251041]  <IRQ>
[ 1220.258127] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1220.260708]  dump_stack+0x197/0x210
[ 1220.281575]  warn_alloc.cold+0x7b/0x173
[ 1220.285546]  ? zone_watermark_ok_safe+0x260/0x260
[ 1220.291606]  ? __cpuset_node_allowed+0x136/0x540
[ 1220.296373]  ? __isolate_free_page+0x4c0/0x4c0
[ 1220.300945]  ? wake_all_kswapds+0x14d/0x300
[ 1220.305267]  __alloc_pages_slowpath+0x2214/0x2870
[ 1220.310115]  ? warn_alloc+0x110/0x110
[ 1220.313908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1220.319436]  ? should_fail+0x14d/0x85c
[ 1220.323316]  ? __isolate_free_page+0x4c0/0x4c0
[ 1220.327898]  __alloc_pages_nodemask+0x617/0x750
[ 1220.332566]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1220.337579]  ? mark_held_locks+0x100/0x100
[ 1220.341820]  page_frag_alloc+0x541/0x670
[ 1220.345891]  ? check_preemption_disabled+0x48/0x290
[ 1220.350911]  __netdev_alloc_skb+0x20a/0x470
[ 1220.355350]  send_hsr_supervision_frame+0x110/0xfc0
[ 1220.360366]  ? lock_acquire+0x16f/0x3f0
[ 1220.364346]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1220.369372]  hsr_announce+0x12f/0x3b0
[ 1220.373185]  call_timer_fn+0x18d/0x720
[ 1220.377066]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1220.382246]  ? process_timeout+0x40/0x40
[ 1220.386297]  ? run_timer_softirq+0x644/0x16a0
[ 1220.390786]  ? trace_hardirqs_on+0x67/0x220
[ 1220.395117]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1220.400310]  run_timer_softirq+0x64f/0x16a0
[ 1220.404643]  ? add_timer+0xbe0/0xbe0
[ 1220.408356]  ? __lock_is_held+0xb6/0x140
[ 1220.412505]  __do_softirq+0x25c/0x921
[ 1220.416299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1220.421834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1220.427370]  irq_exit+0x180/0x1d0
[ 1220.430840]  smp_apic_timer_interrupt+0x13b/0x550
[ 1220.435696]  apic_timer_interrupt+0xf/0x20
[ 1220.439922]  </IRQ>
[ 1220.442152] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1220.447089] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1220.466023] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1220.473726] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1220.480985] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1220.488261] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1220.495526] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1220.502797] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1220.510093]  ? find_held_lock+0x35/0x130
[ 1220.514154]  ? process_one_work+0x890/0x1750
[ 1220.518561]  skb_clone+0x156/0x3e0
[ 1220.522111]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1220.528433]  process_one_work+0x989/0x1750
[ 1220.532667]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1220.537324]  ? lock_acquire+0x16f/0x3f0
[ 1220.541379]  ? kasan_check_write+0x14/0x20
[ 1220.545601]  ? do_raw_spin_lock+0xd7/0x250
[ 1220.549831]  worker_thread+0x98/0xe40
[ 1220.553623]  ? trace_hardirqs_on+0x67/0x220
[ 1220.557943]  kthread+0x354/0x420
[ 1220.561302]  ? process_one_work+0x1750/0x1750
[ 1220.565788]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1220.571342]  ret_from_fork+0x24/0x30
[ 1220.575063] warn_alloc_show_mem: 1 callbacks suppressed
[ 1220.575073] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1220.575075] Mem-Info:
[ 1220.575105] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1220.575105]  active_file:13 inactive_file:13 isolated_file:0
[ 1220.575105]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1220.575105]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1220.575105]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1220.575105]  free:10948 free_pcp:188 free_cma:0
[ 1220.580446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1220.580456] Call Trace:
[ 1220.587910] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1220.590302]  <IRQ>
[ 1220.623284] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1220.632638]  dump_stack+0x197/0x210
[ 1220.635184] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1220.662857]  warn_alloc.cold+0x7b/0x173
[ 1220.664986] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1220.691905]  ? zone_watermark_ok_safe+0x260/0x260
[ 1220.695511] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1220.721620]  ? __cpuset_node_allowed+0x136/0x540
[ 1220.725564] lowmem_reserve[]: 0 0 1 1 1
[ 1220.731209]  ? __isolate_free_page+0x4c0/0x4c0
[ 1220.736038] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1220.765013]  ? wake_all_kswapds+0x14d/0x300
[ 1220.769731] lowmem_reserve[]: 0 0 0 0 0
[ 1220.773710]  __alloc_pages_slowpath+0x2214/0x2870
[ 1220.778282] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1220.804078]  ? warn_alloc+0x110/0x110
[ 1220.808360] lowmem_reserve[]: 0 0 0 0 0
[ 1220.812329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1220.817155] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1220.844933]  ? should_fail+0x14d/0x85c
[ 1220.848709] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1220.852685]  ? __isolate_free_page+0x4c0/0x4c0
[ 1220.858196] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1220.870826]  __alloc_pages_nodemask+0x617/0x750
[ 1220.874699] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1220.889969]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1220.894529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1220.894542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1220.905211]  cache_grow_begin+0x91/0x8c0
[ 1220.909849] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1220.925638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1220.930640] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1220.939481]  ? __cpuset_node_allowed+0x136/0x540
[ 1220.948039] 279 total pagecache pages
[ 1220.952112]  fallback_alloc+0x1fd/0x2d0
[ 1220.960924] 0 pages in swap cache
[ 1220.966459]  ____cache_alloc_node+0x1be/0x1e0
[ 1220.975008] Swap cache stats: add 0, delete 0, find 0/0
[ 1220.979765]  kmem_cache_alloc_node+0xe3/0x710
[ 1220.983546] Free swap  = 0kB
[ 1220.987529]  __alloc_skb+0xd5/0x5f0
[ 1220.990965] Total swap = 0kB
[ 1220.990976] 1965979 pages RAM
[ 1220.995488]  ? skb_trim+0x190/0x190
[ 1221.000826] 0 pages HighMem/MovableOnly
[ 1221.005319]  ? check_preemption_disabled+0x48/0x290
[ 1221.008316] 341741 pages reserved
[ 1221.011940]  ? lock_acquire+0x16f/0x3f0
[ 1221.014929] 0 pages cma reserved
[ 1221.018028]  new_skb+0x28/0x1d0
[ 1221.021733] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1221.025594]  aoecmd_cfg+0x1b5/0x640
[ 1221.030581] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1221.034025]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1221.067800]  ? timer_reduce+0x11d0/0x11d0
[ 1221.071959]  discover_timer+0x4e/0x60
[ 1221.075749]  call_timer_fn+0x18d/0x720
[ 1221.079636]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1221.084294]  ? process_timeout+0x40/0x40
[ 1221.088342]  ? run_timer_softirq+0x644/0x16a0
[ 1221.092832]  ? trace_hardirqs_on+0x67/0x220
[ 1221.097185]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1221.101976]  run_timer_softirq+0x64f/0x16a0
[ 1221.106347]  ? add_timer+0xbe0/0xbe0
[ 1221.110094]  ? __lock_is_held+0xb6/0x140
[ 1221.114166]  __do_softirq+0x25c/0x921
[ 1221.117979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1221.123534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1221.129092]  irq_exit+0x180/0x1d0
[ 1221.132551]  smp_apic_timer_interrupt+0x13b/0x550
[ 1221.137417]  apic_timer_interrupt+0xf/0x20
[ 1221.141668]  </IRQ>
[ 1221.143907] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1221.148746] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1221.167674] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1221.175380] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1221.182643] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1221.189903] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1221.197422] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1221.204691] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1221.212017]  ? netconsole_netdev_event+0x280/0x280
[ 1221.216999]  ? console_unlock+0xf36/0x10d0
[ 1221.221253]  vprintk_emit+0x280/0x6d0
[ 1221.225071]  vprintk_default+0x28/0x30
[ 1221.228974]  vprintk_func+0x7e/0x189
[ 1221.232684]  printk+0xba/0xed
[ 1221.235783]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1221.240551]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1221.245055]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1221.250071]  dump_header+0x44b/0xa55
[ 1221.253777]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1221.258873]  ? ___ratelimit+0x60/0x595
[ 1221.262754]  ? do_raw_spin_unlock+0x181/0x270
[ 1221.267250]  oom_kill_process.cold+0x10/0x6ef
[ 1221.271749]  ? lock_downgrade+0x880/0x880
[ 1221.275905]  ? kasan_check_read+0x11/0x20
[ 1221.280050]  out_of_memory+0x362/0x1330
[ 1221.284035]  ? oom_killer_disable+0x280/0x280
[ 1221.288522]  ? mutex_trylock+0x18e/0x1e0
[ 1221.292578]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1221.297506]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1221.302363]  ? warn_alloc+0x110/0x110
[ 1221.306159]  ? __lock_is_held+0xb6/0x140
[ 1221.310215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1221.315743]  ? should_fail+0x14d/0x85c
[ 1221.319630]  ? __might_sleep+0x95/0x190
[ 1221.323607]  __alloc_pages_nodemask+0x617/0x750
[ 1221.328272]  ? kasan_check_read+0x11/0x20
[ 1221.332423]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1221.337439]  ? find_get_entry+0x3e1/0xa00
[ 1221.341591]  ? find_get_pages_contig+0xed0/0xed0
[ 1221.346343]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1221.351886]  alloc_pages_current+0x107/0x210
[ 1221.356296]  __page_cache_alloc+0x2bd/0x450
[ 1221.360616]  ? kasan_check_read+0x11/0x20
[ 1221.364783]  filemap_fault+0xfeb/0x1f00
[ 1221.368776]  ? lock_downgrade+0x880/0x880
[ 1221.372926]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1221.377589]  ? lock_acquire+0x16f/0x3f0
[ 1221.381554]  ? ext4_filemap_fault+0x7b/0xaf
[ 1221.385895]  ext4_filemap_fault+0x83/0xaf
[ 1221.390036]  __do_fault+0x111/0x480
[ 1221.393661]  __handle_mm_fault+0x2d78/0x3f80
[ 1221.398067]  ? copy_page_range+0x2030/0x2030
[ 1221.402488]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1221.407163]  handle_mm_fault+0x1b5/0x690
[ 1221.411243]  __do_page_fault+0x62a/0xe90
[ 1221.415332]  ? vmalloc_fault+0x740/0x740
[ 1221.419408]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1221.424418]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1221.429343]  ? page_fault+0x8/0x30
[ 1221.432881]  do_page_fault+0x71/0x57d
[ 1221.436674]  ? page_fault+0x8/0x30
[ 1221.440217]  page_fault+0x1e/0x30
[ 1221.443691] RIP: 0033:0x45b153
[ 1221.446923] Code: Bad RIP value.
[ 1221.450283] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1221.455646] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1221.462915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1221.470190] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1221.477456] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1221.484720] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1221.492009] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1221.492067] aoe: skb alloc failure
[ 1221.499728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1221.499754] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1221.503361] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1221.512635] Call Trace:
[ 1221.519747] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1221.529974]  <IRQ>
[ 1221.539433]  dump_stack+0x197/0x210
[ 1221.543064]  warn_alloc.cold+0x7b/0x173
[ 1221.547214]  ? zone_watermark_ok_safe+0x260/0x260
[ 1221.552059]  ? __cpuset_node_allowed+0x136/0x540
[ 1221.556816]  ? __isolate_free_page+0x4c0/0x4c0
[ 1221.561405]  ? wake_all_kswapds+0x14d/0x300
[ 1221.565738]  __alloc_pages_slowpath+0x2214/0x2870
[ 1221.570592]  ? warn_alloc+0x110/0x110
[ 1221.574388]  ? __lock_acquire+0x6ee/0x49c0
[ 1221.578616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1221.584671]  ? should_fail+0x14d/0x85c
[ 1221.588558]  ? __isolate_free_page+0x4c0/0x4c0
[ 1221.593139]  __alloc_pages_nodemask+0x617/0x750
[ 1221.597805]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1221.602846]  ? find_held_lock+0x35/0x130
[ 1221.606918]  cache_grow_begin+0x91/0x8c0
[ 1221.610976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1221.616511]  ? __cpuset_node_allowed+0x136/0x540
[ 1221.621273]  fallback_alloc+0x1fd/0x2d0
[ 1221.625245]  ____cache_alloc_node+0x1be/0x1e0
[ 1221.629736]  kmem_cache_alloc_node+0xe3/0x710
[ 1221.634236]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1221.638492]  __alloc_skb+0xd5/0x5f0
[ 1221.642131]  ? skb_trim+0x190/0x190
[ 1221.645759]  ? kasan_check_read+0x11/0x20
[ 1221.649933]  ndisc_alloc_skb+0x13c/0x340
[ 1221.654001]  ndisc_send_rs+0x35f/0x6e0
[ 1221.657888]  addrconf_rs_timer+0x30f/0x680
[ 1221.662130]  ? ipv6_get_lladdr+0x490/0x490
[ 1221.666370]  call_timer_fn+0x18d/0x720
[ 1221.670256]  ? ipv6_get_lladdr+0x490/0x490
[ 1221.674494]  ? process_timeout+0x40/0x40
[ 1221.678554]  ? run_timer_softirq+0x644/0x16a0
[ 1221.683049]  ? trace_hardirqs_on+0x67/0x220
[ 1221.687368]  ? ipv6_get_lladdr+0x490/0x490
[ 1221.691595]  run_timer_softirq+0x64f/0x16a0
[ 1221.696004]  ? add_timer+0xbe0/0xbe0
[ 1221.699721]  ? __lock_is_held+0xb6/0x140
[ 1221.703791]  __do_softirq+0x25c/0x921
[ 1221.707587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1221.713126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1221.718671]  irq_exit+0x180/0x1d0
[ 1221.722120]  smp_apic_timer_interrupt+0x13b/0x550
[ 1221.726967]  apic_timer_interrupt+0xf/0x20
[ 1221.731194]  </IRQ>
[ 1221.733428] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1221.738466] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1221.757403] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1221.765281] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1221.772551] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1221.779810] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1221.787088] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1221.794350] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1221.801641]  ? find_held_lock+0x35/0x130
[ 1221.805698]  ? process_one_work+0x890/0x1750
[ 1221.810106]  skb_clone+0x156/0x3e0
[ 1221.813651]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1221.819976]  process_one_work+0x989/0x1750
[ 1221.824222]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1221.828891]  ? lock_acquire+0x16f/0x3f0
[ 1221.832864]  ? kasan_check_write+0x14/0x20
[ 1221.837090]  ? do_raw_spin_lock+0xd7/0x250
[ 1221.841325]  worker_thread+0x98/0xe40
[ 1221.845120]  ? trace_hardirqs_on+0x67/0x220
[ 1221.849445]  kthread+0x354/0x420
[ 1221.852803]  ? process_one_work+0x1750/0x1750
[ 1221.857304]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1221.862837]  ret_from_fork+0x24/0x30
[ 1221.866548] warn_alloc_show_mem: 1 callbacks suppressed
[ 1221.866558] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1221.866560] Mem-Info:
[ 1221.866588] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1221.866588]  active_file:13 inactive_file:13 isolated_file:0
[ 1221.866588]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1221.866588]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1221.866588]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1221.866588]  free:10948 free_pcp:188 free_cma:0
[ 1221.871923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1221.871931] Call Trace:
[ 1221.879408] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1221.881819]  <IRQ>
[ 1221.914804] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1221.924149]  dump_stack+0x197/0x210
[ 1221.926700] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1221.954290]  warn_alloc.cold+0x7b/0x173
[ 1221.956412] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1221.982285]  ? zone_watermark_ok_safe+0x260/0x260
[ 1221.985900] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1222.012042]  ? __cpuset_node_allowed+0x136/0x540
[ 1222.015998] lowmem_reserve[]: 0 0 1 1 1
[ 1222.021029]  ? __isolate_free_page+0x4c0/0x4c0
[ 1222.025832] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1222.054740]  ? wake_all_kswapds+0x14d/0x300
[ 1222.059481] lowmem_reserve[]: 0 0 0 0 0
[ 1222.063738]  __alloc_pages_slowpath+0x2214/0x2870
[ 1222.068293] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1222.094091]  ? warn_alloc+0x110/0x110
[ 1222.098370] lowmem_reserve[]: 0 0 0 0 0
[ 1222.102349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1222.107171] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1222.134948]  ? should_fail+0x14d/0x85c
[ 1222.138736] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1222.142736]  ? __isolate_free_page+0x4c0/0x4c0
[ 1222.148261] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1222.160966]  __alloc_pages_nodemask+0x617/0x750
[ 1222.164835] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1222.180221]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1222.184786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1222.195462]  cache_grow_begin+0x91/0x8c0
[ 1222.200127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1222.215912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1222.220908] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1222.229752]  ? __cpuset_node_allowed+0x136/0x540
[ 1222.233792] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1222.242410]  fallback_alloc+0x1fd/0x2d0
[ 1222.247948] 279 total pagecache pages
[ 1222.256850]  ____cache_alloc_node+0x1be/0x1e0
[ 1222.261598] 0 pages in swap cache
[ 1222.270177]  kmem_cache_alloc_node+0xe3/0x710
[ 1222.274138] Swap cache stats: add 0, delete 0, find 0/0
[ 1222.274148] Free swap  = 0kB
[ 1222.277973]  __alloc_skb+0xd5/0x5f0
[ 1222.282455] Total swap = 0kB
[ 1222.285929]  ? skb_trim+0x190/0x190
[ 1222.290421] 1965979 pages RAM
[ 1222.295807]  ? check_preemption_disabled+0x48/0x290
[ 1222.298811] 0 pages HighMem/MovableOnly
[ 1222.298820] 341741 pages reserved
[ 1222.302467]  ? lock_acquire+0x16f/0x3f0
[ 1222.305458] 0 pages cma reserved
[ 1222.309104]  new_skb+0x28/0x1d0
[ 1222.312254] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1222.317229]  aoecmd_cfg+0x1b5/0x640
[ 1222.321242] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1222.324647]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1222.328594] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1222.331994]  ? timer_reduce+0x11d0/0x11d0
[ 1222.369325]  discover_timer+0x4e/0x60
[ 1222.373139]  call_timer_fn+0x18d/0x720
[ 1222.377042]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1222.381718]  ? process_timeout+0x40/0x40
[ 1222.385772]  ? run_timer_softirq+0x644/0x16a0
[ 1222.390281]  ? trace_hardirqs_on+0x67/0x220
[ 1222.394604]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1222.399309]  run_timer_softirq+0x64f/0x16a0
[ 1222.403671]  ? add_timer+0xbe0/0xbe0
[ 1222.407395]  ? __lock_is_held+0xb6/0x140
[ 1222.411463]  __do_softirq+0x25c/0x921
[ 1222.415271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1222.420820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1222.426377]  irq_exit+0x180/0x1d0
[ 1222.429954]  smp_apic_timer_interrupt+0x13b/0x550
[ 1222.434799]  apic_timer_interrupt+0xf/0x20
[ 1222.439044]  </IRQ>
[ 1222.441280] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1222.446126] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1222.465038] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1222.472769] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1222.480049] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1222.487323] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1222.494594] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1222.501876] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1222.509176]  ? netconsole_netdev_event+0x280/0x280
[ 1222.514123]  ? console_unlock+0xf36/0x10d0
[ 1222.518396]  vprintk_emit+0x280/0x6d0
[ 1222.522212]  vprintk_default+0x28/0x30
[ 1222.526111]  vprintk_func+0x7e/0x189
[ 1222.529839]  printk+0xba/0xed
[ 1222.532938]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1222.537729]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1222.542233]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1222.547283]  dump_header+0x44b/0xa55
[ 1222.551015]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1222.556150]  ? ___ratelimit+0x60/0x595
[ 1222.560067]  ? do_raw_spin_unlock+0x181/0x270
[ 1222.564578]  oom_kill_process.cold+0x10/0x6ef
[ 1222.569103]  ? lock_downgrade+0x880/0x880
[ 1222.573263]  ? kasan_check_read+0x11/0x20
[ 1222.577422]  out_of_memory+0x362/0x1330
[ 1222.581412]  ? oom_killer_disable+0x280/0x280
[ 1222.586015]  ? mutex_trylock+0x18e/0x1e0
[ 1222.590073]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1222.595020]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1222.599893]  ? warn_alloc+0x110/0x110
[ 1222.603698]  ? __lock_is_held+0xb6/0x140
[ 1222.607772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1222.613340]  ? should_fail+0x14d/0x85c
[ 1222.617245]  ? __might_sleep+0x95/0x190
[ 1222.621334]  __alloc_pages_nodemask+0x617/0x750
[ 1222.626000]  ? kasan_check_read+0x11/0x20
[ 1222.630161]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1222.635234]  ? find_get_entry+0x3e1/0xa00
[ 1222.639413]  ? find_get_pages_contig+0xed0/0xed0
[ 1222.644178]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1222.649814]  alloc_pages_current+0x107/0x210
[ 1222.654252]  __page_cache_alloc+0x2bd/0x450
[ 1222.658580]  ? kasan_check_read+0x11/0x20
[ 1222.662731]  filemap_fault+0xfeb/0x1f00
[ 1222.666717]  ? lock_downgrade+0x880/0x880
[ 1222.670885]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1222.675552]  ? lock_acquire+0x16f/0x3f0
[ 1222.679735]  ? ext4_filemap_fault+0x7b/0xaf
[ 1222.684084]  ext4_filemap_fault+0x83/0xaf
[ 1222.688228]  __do_fault+0x111/0x480
[ 1222.691864]  __handle_mm_fault+0x2d78/0x3f80
[ 1222.696295]  ? copy_page_range+0x2030/0x2030
[ 1222.700724]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1222.705416]  handle_mm_fault+0x1b5/0x690
[ 1222.709501]  __do_page_fault+0x62a/0xe90
[ 1222.713577]  ? vmalloc_fault+0x740/0x740
[ 1222.717634]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1222.722661]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1222.727587]  ? page_fault+0x8/0x30
[ 1222.731162]  do_page_fault+0x71/0x57d
[ 1222.734960]  ? page_fault+0x8/0x30
[ 1222.738492]  page_fault+0x1e/0x30
[ 1222.741949] RIP: 0033:0x45b153
[ 1222.745156] Code: Bad RIP value.
[ 1222.748521] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1222.753889] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1222.761165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1222.768438] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1222.775713] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1222.782984] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1222.790391] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1222.790443] aoe: skb alloc failure
[ 1222.798106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1222.798137] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1222.798144] Call Trace:
[ 1222.798151]  <IRQ>
[ 1222.798170]  dump_stack+0x197/0x210
[ 1222.798189]  warn_alloc.cold+0x7b/0x173
[ 1222.801766] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1222.811083]  ? zone_watermark_ok_safe+0x260/0x260
[ 1222.818194] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1222.820782]  ? __cpuset_node_allowed+0x136/0x540
[ 1222.855087]  ? __isolate_free_page+0x4c0/0x4c0
[ 1222.859682]  ? wake_all_kswapds+0x14d/0x300
[ 1222.864009]  __alloc_pages_slowpath+0x2214/0x2870
[ 1222.868866]  ? warn_alloc+0x110/0x110
[ 1222.872828]  ? __lock_acquire+0x6ee/0x49c0
[ 1222.877062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1222.882609]  ? should_fail+0x14d/0x85c
[ 1222.886518]  ? __isolate_free_page+0x4c0/0x4c0
[ 1222.891123]  __alloc_pages_nodemask+0x617/0x750
[ 1222.895814]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1222.900857]  ? find_held_lock+0x35/0x130
[ 1222.904934]  cache_grow_begin+0x91/0x8c0
[ 1222.909008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1222.914555]  ? __cpuset_node_allowed+0x136/0x540
[ 1222.919333]  fallback_alloc+0x1fd/0x2d0
[ 1222.923316]  ____cache_alloc_node+0x1be/0x1e0
[ 1222.927813]  kmem_cache_alloc_node+0xe3/0x710
[ 1222.932333]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1222.937285]  __alloc_skb+0xd5/0x5f0
[ 1222.940915]  ? skb_trim+0x190/0x190
[ 1222.945383]  ? kasan_check_read+0x11/0x20
[ 1222.949772]  ndisc_alloc_skb+0x13c/0x340
[ 1222.953864]  ndisc_send_rs+0x35f/0x6e0
[ 1222.957870]  addrconf_rs_timer+0x30f/0x680
[ 1222.962365]  ? ipv6_get_lladdr+0x490/0x490
[ 1222.966706]  call_timer_fn+0x18d/0x720
[ 1222.970611]  ? ipv6_get_lladdr+0x490/0x490
[ 1222.974885]  ? process_timeout+0x40/0x40
[ 1222.979029]  ? run_timer_softirq+0x644/0x16a0
[ 1222.983539]  ? trace_hardirqs_on+0x67/0x220
[ 1222.987866]  ? ipv6_get_lladdr+0x490/0x490
[ 1222.992214]  run_timer_softirq+0x64f/0x16a0
[ 1222.996548]  ? add_timer+0xbe0/0xbe0
[ 1223.000272]  ? __lock_is_held+0xb6/0x140
[ 1223.004355]  __do_softirq+0x25c/0x921
[ 1223.008251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1223.013800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1223.019484]  irq_exit+0x180/0x1d0
[ 1223.022939]  smp_apic_timer_interrupt+0x13b/0x550
[ 1223.029618]  apic_timer_interrupt+0xf/0x20
[ 1223.034020]  </IRQ>
[ 1223.036263] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1223.041658] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1223.061444] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1223.069376] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1223.077006] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1223.084278] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1223.091557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1223.098909] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1223.106212]  ? find_held_lock+0x35/0x130
[ 1223.110273]  ? process_one_work+0x890/0x1750
[ 1223.114797]  skb_clone+0x156/0x3e0
[ 1223.118462]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1223.125016]  process_one_work+0x989/0x1750
[ 1223.129369]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1223.135761]  ? lock_acquire+0x16f/0x3f0
[ 1223.140010]  ? kasan_check_write+0x14/0x20
[ 1223.144328]  ? do_raw_spin_lock+0xd7/0x250
[ 1223.148761]  worker_thread+0x98/0xe40
[ 1223.152967]  ? trace_hardirqs_on+0x67/0x220
[ 1223.157397]  kthread+0x354/0x420
[ 1223.160762]  ? process_one_work+0x1750/0x1750
[ 1223.165615]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1223.171489]  ret_from_fork+0x24/0x30
[ 1223.175223] warn_alloc_show_mem: 1 callbacks suppressed
[ 1223.175233] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1223.175235] Mem-Info:
[ 1223.175264] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1223.175264]  active_file:13 inactive_file:13 isolated_file:0
[ 1223.175264]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1223.175264]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1223.175264]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1223.175264]  free:10948 free_pcp:188 free_cma:0
[ 1223.180607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1223.180616] Call Trace:
[ 1223.188198] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1223.190631]  <IRQ>
[ 1223.224277] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1223.234442]  dump_stack+0x197/0x210
[ 1223.237155] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1223.265478]  warn_alloc.cold+0x7b/0x173
[ 1223.267629] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1223.294682]  ? zone_watermark_ok_safe+0x260/0x260
[ 1223.298405] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1223.326250]  ? __cpuset_node_allowed+0x136/0x540
[ 1223.330539] lowmem_reserve[]: 0 0 1 1 1
[ 1223.335678]  ? __isolate_free_page+0x4c0/0x4c0
[ 1223.340932] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1223.370370]  ? wake_all_kswapds+0x14d/0x300
[ 1223.375332] lowmem_reserve[]: 0 0 0 0 0
[ 1223.379352]  __alloc_pages_slowpath+0x2214/0x2870
[ 1223.384013] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1223.411302]  ? warn_alloc+0x110/0x110
[ 1223.415590] lowmem_reserve[]: 0 0 0 0 0
[ 1223.419590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1223.424413] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1223.453254]  ? should_fail+0x14d/0x85c
[ 1223.457217] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1223.461302]  ? __isolate_free_page+0x4c0/0x4c0
[ 1223.467163] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1223.479984]  __alloc_pages_nodemask+0x617/0x750
[ 1223.483875] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1223.499262]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1223.503832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1223.514944]  cache_grow_begin+0x91/0x8c0
[ 1223.519591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1223.535871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1223.541169] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1223.550309]  ? __cpuset_node_allowed+0x136/0x540
[ 1223.554915] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1223.564269]  fallback_alloc+0x1fd/0x2d0
[ 1223.569811] 279 total pagecache pages
[ 1223.579190]  ____cache_alloc_node+0x1be/0x1e0
[ 1223.583938] 0 pages in swap cache
[ 1223.592707]  kmem_cache_alloc_node+0xe3/0x710
[ 1223.596667] Swap cache stats: add 0, delete 0, find 0/0
[ 1223.600696]  __alloc_skb+0xd5/0x5f0
[ 1223.605171] Free swap  = 0kB
[ 1223.605179] Total swap = 0kB
[ 1223.609176]  ? skb_trim+0x190/0x190
[ 1223.613664] 1965979 pages RAM
[ 1223.619032]  ? check_preemption_disabled+0x48/0x290
[ 1223.622789] 0 pages HighMem/MovableOnly
[ 1223.622799] 341741 pages reserved
[ 1223.625837]  ? lock_acquire+0x16f/0x3f0
[ 1223.628842] 0 pages cma reserved
[ 1223.628912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1223.632642]  new_skb+0x28/0x1d0
[ 1223.632661]  aoecmd_cfg+0x1b5/0x640
[ 1223.632687]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1223.635823] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1223.640902]  ? timer_reduce+0x11d0/0x11d0
[ 1223.644867] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1223.648424]  discover_timer+0x4e/0x60
[ 1223.697204]  call_timer_fn+0x18d/0x720
[ 1223.701127]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1223.705947]  ? process_timeout+0x40/0x40
[ 1223.710229]  ? run_timer_softirq+0x644/0x16a0
[ 1223.714784]  ? trace_hardirqs_on+0x67/0x220
[ 1223.719199]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1223.723955]  run_timer_softirq+0x64f/0x16a0
[ 1223.728292]  ? add_timer+0xbe0/0xbe0
[ 1223.732357]  ? __lock_is_held+0xb6/0x140
[ 1223.736548]  __do_softirq+0x25c/0x921
[ 1223.740442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1223.746273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1223.752118]  irq_exit+0x180/0x1d0
[ 1223.755877]  smp_apic_timer_interrupt+0x13b/0x550
[ 1223.760837]  apic_timer_interrupt+0xf/0x20
[ 1223.765185]  </IRQ>
[ 1223.767430] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1223.772277] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1223.791349] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1223.799183] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1223.806757] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1223.814197] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1223.821907] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1223.829184] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1223.836680]  ? netconsole_netdev_event+0x280/0x280
[ 1223.841616]  ? console_unlock+0xf36/0x10d0
[ 1223.846012]  vprintk_emit+0x280/0x6d0
[ 1223.850019]  vprintk_default+0x28/0x30
[ 1223.854188]  vprintk_func+0x7e/0x189
[ 1223.858100]  printk+0xba/0xed
[ 1223.861550]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1223.870497]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1223.875301]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1223.880961]  dump_header+0x44b/0xa55
[ 1223.884674]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1223.889915]  ? ___ratelimit+0x60/0x595
[ 1223.894385]  ? do_raw_spin_unlock+0x181/0x270
[ 1223.899010]  oom_kill_process.cold+0x10/0x6ef
[ 1223.903830]  ? lock_downgrade+0x880/0x880
[ 1223.908002]  ? kasan_check_read+0x11/0x20
[ 1223.912202]  out_of_memory+0x362/0x1330
[ 1223.916361]  ? oom_killer_disable+0x280/0x280
[ 1223.920868]  ? mutex_trylock+0x18e/0x1e0
[ 1223.925027]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1223.930079]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1223.934945]  ? warn_alloc+0x110/0x110
[ 1223.938781]  ? __lock_is_held+0xb6/0x140
[ 1223.943067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1223.949091]  ? should_fail+0x14d/0x85c
[ 1223.953173]  ? __might_sleep+0x95/0x190
[ 1223.957244]  __alloc_pages_nodemask+0x617/0x750
[ 1223.962023]  ? kasan_check_read+0x11/0x20
[ 1223.966177]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1223.971196]  ? find_get_entry+0x3e1/0xa00
[ 1223.975434]  ? find_get_pages_contig+0xed0/0xed0
[ 1223.980290]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1223.985844]  alloc_pages_current+0x107/0x210
[ 1223.990268]  __page_cache_alloc+0x2bd/0x450
[ 1223.994603]  ? kasan_check_read+0x11/0x20
[ 1223.998841]  filemap_fault+0xfeb/0x1f00
[ 1224.002848]  ? lock_downgrade+0x880/0x880
[ 1224.007027]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1224.011718]  ? lock_acquire+0x16f/0x3f0
[ 1224.021201]  ? ext4_filemap_fault+0x7b/0xaf
[ 1224.025657]  ext4_filemap_fault+0x83/0xaf
[ 1224.029937]  __do_fault+0x111/0x480
[ 1224.033613]  __handle_mm_fault+0x2d78/0x3f80
[ 1224.038257]  ? copy_page_range+0x2030/0x2030
[ 1224.042699]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1224.047460]  handle_mm_fault+0x1b5/0x690
[ 1224.051620]  __do_page_fault+0x62a/0xe90
[ 1224.055888]  ? vmalloc_fault+0x740/0x740
[ 1224.060242]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1224.065476]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1224.070426]  ? page_fault+0x8/0x30
[ 1224.075438]  do_page_fault+0x71/0x57d
[ 1224.080182]  ? page_fault+0x8/0x30
[ 1224.083822]  page_fault+0x1e/0x30
[ 1224.087270] RIP: 0033:0x45b153
[ 1224.090477] Code: Bad RIP value.
[ 1224.093843] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1224.099733] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1224.107020] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1224.114736] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1224.122111] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1224.130413] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1224.137729] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1224.137784] aoe: skb alloc failure
[ 1224.145835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1224.145863] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1224.145870] Call Trace:
[ 1224.145876]  <IRQ>
[ 1224.145895]  dump_stack+0x197/0x210
[ 1224.145915]  warn_alloc.cold+0x7b/0x173
[ 1224.149672] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1224.159573]  ? zone_watermark_ok_safe+0x260/0x260
[ 1224.167030] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1224.169622]  ? __cpuset_node_allowed+0x136/0x540
[ 1224.203878]  ? __isolate_free_page+0x4c0/0x4c0
[ 1224.208483]  ? wake_all_kswapds+0x14d/0x300
[ 1224.212801]  __alloc_pages_slowpath+0x2214/0x2870
[ 1224.217797]  ? warn_alloc+0x110/0x110
[ 1224.221626]  ? __lock_acquire+0x6ee/0x49c0
[ 1224.225889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1224.231441]  ? should_fail+0x14d/0x85c
[ 1224.235330]  ? __isolate_free_page+0x4c0/0x4c0
[ 1224.239947]  __alloc_pages_nodemask+0x617/0x750
[ 1224.244641]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1224.249672]  ? find_held_lock+0x35/0x130
[ 1224.253742]  cache_grow_begin+0x91/0x8c0
[ 1224.257806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1224.263363]  ? __cpuset_node_allowed+0x136/0x540
[ 1224.268135]  fallback_alloc+0x1fd/0x2d0
[ 1224.272131]  ____cache_alloc_node+0x1be/0x1e0
[ 1224.276625]  kmem_cache_alloc_node+0xe3/0x710
[ 1224.281135]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1224.285387]  __alloc_skb+0xd5/0x5f0
[ 1224.289029]  ? skb_trim+0x190/0x190
[ 1224.292658]  ? kasan_check_read+0x11/0x20
[ 1224.296823]  ndisc_alloc_skb+0x13c/0x340
[ 1224.300892]  ndisc_send_rs+0x35f/0x6e0
[ 1224.304775]  addrconf_rs_timer+0x30f/0x680
[ 1224.309009]  ? ipv6_get_lladdr+0x490/0x490
[ 1224.313272]  call_timer_fn+0x18d/0x720
[ 1224.317165]  ? ipv6_get_lladdr+0x490/0x490
[ 1224.321397]  ? process_timeout+0x40/0x40
[ 1224.325468]  ? run_timer_softirq+0x644/0x16a0
[ 1224.329993]  ? trace_hardirqs_on+0x67/0x220
[ 1224.334318]  ? ipv6_get_lladdr+0x490/0x490
[ 1224.338567]  run_timer_softirq+0x64f/0x16a0
[ 1224.342892]  ? add_timer+0xbe0/0xbe0
[ 1224.346675]  ? __lock_is_held+0xb6/0x140
[ 1224.350762]  __do_softirq+0x25c/0x921
[ 1224.354821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1224.360365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1224.365928]  irq_exit+0x180/0x1d0
[ 1224.369379]  smp_apic_timer_interrupt+0x13b/0x550
[ 1224.374235]  apic_timer_interrupt+0xf/0x20
[ 1224.378459]  </IRQ>
[ 1224.380702] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1224.385637] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1224.404573] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1224.412294] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1224.419639] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1224.426917] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1224.434189] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1224.441477] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1224.448788]  ? find_held_lock+0x35/0x130
[ 1224.452902]  ? process_one_work+0x890/0x1750
[ 1224.457444]  skb_clone+0x156/0x3e0
[ 1224.461005]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1224.467346]  process_one_work+0x989/0x1750
[ 1224.471608]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1224.476281]  ? lock_acquire+0x16f/0x3f0
[ 1224.480377]  ? kasan_check_write+0x14/0x20
[ 1224.484607]  ? do_raw_spin_lock+0xd7/0x250
[ 1224.488866]  worker_thread+0x98/0xe40
[ 1224.492665]  ? trace_hardirqs_on+0x67/0x220
[ 1224.497000]  kthread+0x354/0x420
[ 1224.500364]  ? process_one_work+0x1750/0x1750
[ 1224.504984]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1224.510894]  ret_from_fork+0x24/0x30
[ 1224.514907] warn_alloc_show_mem: 1 callbacks suppressed
[ 1224.514917] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1224.514919] Mem-Info:
[ 1224.514950] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1224.514950]  active_file:13 inactive_file:13 isolated_file:0
[ 1224.514950]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1224.514950]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1224.514950]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1224.514950]  free:10948 free_pcp:188 free_cma:0
[ 1224.520430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1224.520435] Call Trace:
[ 1224.520442]  <IRQ>
[ 1224.520471]  dump_stack+0x197/0x210
[ 1224.528015] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1224.530739]  warn_alloc.cold+0x7b/0x173
[ 1224.564265] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1224.573761]  ? zone_watermark_ok_safe+0x260/0x260
[ 1224.576339] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1224.578498]  ? __cpuset_node_allowed+0x136/0x540
[ 1224.582100] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1224.610198]  ? __isolate_free_page+0x4c0/0x4c0
[ 1224.614182] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1224.640354]  ? wake_all_kswapds+0x14d/0x300
[ 1224.645287] lowmem_reserve[]: 0 0 1 1 1
[ 1224.672155]  __alloc_pages_slowpath+0x2214/0x2870
[ 1224.676898] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1224.681954]  ? warn_alloc+0x110/0x110
[ 1224.686599] lowmem_reserve[]: 0 0 0 0 0
[ 1224.716099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1224.720413] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1224.724485]  ? should_fail+0x14d/0x85c
[ 1224.729359] lowmem_reserve[]: 0 0 0 0 0
[ 1224.755616]  ? __isolate_free_page+0x4c0/0x4c0
[ 1224.759680] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1224.763696]  __alloc_pages_nodemask+0x617/0x750
[ 1224.769298] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1224.798252]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1224.802226] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1224.806587]  cache_grow_begin+0x91/0x8c0
[ 1224.811230] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1224.823749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1224.828601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1224.828614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1224.844593]  ? __cpuset_node_allowed+0x136/0x540
[ 1224.849779] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1224.861105]  fallback_alloc+0x1fd/0x2d0
[ 1224.865155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1224.881407]  ____cache_alloc_node+0x1be/0x1e0
[ 1224.886963] 279 total pagecache pages
[ 1224.895828]  kmem_cache_alloc_node+0xe3/0x710
[ 1224.905320] 0 pages in swap cache
[ 1224.910223]  __alloc_skb+0xd5/0x5f0
[ 1224.919205] Swap cache stats: add 0, delete 0, find 0/0
[ 1224.923993]  ? skb_trim+0x190/0x190
[ 1224.933682] Free swap  = 0kB
[ 1224.933692] Total swap = 0kB
[ 1224.938293]  ? check_preemption_disabled+0x48/0x290
[ 1224.942184] 1965979 pages RAM
[ 1224.946868]  ? lock_acquire+0x16f/0x3f0
[ 1224.950434] 0 pages HighMem/MovableOnly
[ 1224.950444] 341741 pages reserved
[ 1224.954101]  new_skb+0x28/0x1d0
[ 1224.959540] 0 pages cma reserved
[ 1224.959610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1224.963464]  aoecmd_cfg+0x1b5/0x640
[ 1224.963485]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1224.966555] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1224.969540]  ? timer_reduce+0x11d0/0x11d0
[ 1224.974543] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1224.977718]  discover_timer+0x4e/0x60
[ 1225.048372]  call_timer_fn+0x18d/0x720
[ 1225.052396]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1225.057285]  ? process_timeout+0x40/0x40
[ 1225.061356]  ? run_timer_softirq+0x644/0x16a0
[ 1225.065862]  ? trace_hardirqs_on+0x67/0x220
[ 1225.070555]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1225.075240]  run_timer_softirq+0x64f/0x16a0
[ 1225.079758]  ? add_timer+0xbe0/0xbe0
[ 1225.083472]  ? __lock_is_held+0xb6/0x140
[ 1225.087562]  __do_softirq+0x25c/0x921
[ 1225.091586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1225.097283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1225.103019]  irq_exit+0x180/0x1d0
[ 1225.106572]  smp_apic_timer_interrupt+0x13b/0x550
[ 1225.111425]  apic_timer_interrupt+0xf/0x20
[ 1225.115678]  </IRQ>
[ 1225.117920] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1225.122771] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1225.142153] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1225.149891] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1225.157171] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1225.164641] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1225.172211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1225.179492] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1225.186869]  ? netconsole_netdev_event+0x280/0x280
[ 1225.191838]  ? console_unlock+0xf36/0x10d0
[ 1225.196102]  vprintk_emit+0x280/0x6d0
[ 1225.199901]  vprintk_default+0x28/0x30
[ 1225.203785]  vprintk_func+0x7e/0x189
[ 1225.207497]  printk+0xba/0xed
[ 1225.210716]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1225.215493]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1225.220119]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1225.225158]  dump_header+0x44b/0xa55
[ 1225.228888]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1225.234540]  ? ___ratelimit+0x60/0x595
[ 1225.238441]  ? do_raw_spin_unlock+0x181/0x270
[ 1225.242950]  oom_kill_process.cold+0x10/0x6ef
[ 1225.247479]  ? lock_downgrade+0x880/0x880
[ 1225.251647]  ? kasan_check_read+0x11/0x20
[ 1225.255809]  out_of_memory+0x362/0x1330
[ 1225.259802]  ? oom_killer_disable+0x280/0x280
[ 1225.264298]  ? mutex_trylock+0x18e/0x1e0
[ 1225.268485]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1225.273434]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1225.278306]  ? warn_alloc+0x110/0x110
[ 1225.282110]  ? __lock_is_held+0xb6/0x140
[ 1225.286189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1225.291749]  ? should_fail+0x14d/0x85c
[ 1225.295780]  ? __might_sleep+0x95/0x190
[ 1225.299780]  __alloc_pages_nodemask+0x617/0x750
[ 1225.304638]  ? kasan_check_read+0x11/0x20
[ 1225.308804]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1225.313832]  ? find_get_entry+0x3e1/0xa00
[ 1225.317998]  ? find_get_pages_contig+0xed0/0xed0
[ 1225.322767]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1225.328316]  alloc_pages_current+0x107/0x210
[ 1225.332754]  __page_cache_alloc+0x2bd/0x450
[ 1225.337077]  ? kasan_check_read+0x11/0x20
[ 1225.341231]  filemap_fault+0xfeb/0x1f00
[ 1225.345230]  ? lock_downgrade+0x880/0x880
[ 1225.349403]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1225.354085]  ? lock_acquire+0x16f/0x3f0
[ 1225.358243]  ? ext4_filemap_fault+0x7b/0xaf
[ 1225.362575]  ext4_filemap_fault+0x83/0xaf
[ 1225.366744]  __do_fault+0x111/0x480
[ 1225.370392]  __handle_mm_fault+0x2d78/0x3f80
[ 1225.374820]  ? copy_page_range+0x2030/0x2030
[ 1225.379288]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1225.383957]  handle_mm_fault+0x1b5/0x690
[ 1225.388026]  __do_page_fault+0x62a/0xe90
[ 1225.392107]  ? vmalloc_fault+0x740/0x740
[ 1225.396175]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1225.401188]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1225.406246]  ? page_fault+0x8/0x30
[ 1225.409801]  do_page_fault+0x71/0x57d
[ 1225.413604]  ? page_fault+0x8/0x30
[ 1225.417159]  page_fault+0x1e/0x30
[ 1225.420622] RIP: 0033:0x45b153
[ 1225.423818] Code: Bad RIP value.
[ 1225.427174] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1225.432540] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1225.439818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1225.447093] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1225.454450] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1225.461841] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1225.469181] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1225.469243] aoe: skb alloc failure
[ 1225.476914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1225.476942] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1225.476949] Call Trace:
[ 1225.476955]  <IRQ>
[ 1225.476975]  dump_stack+0x197/0x210
[ 1225.477001]  warn_alloc.cold+0x7b/0x173
[ 1225.480565] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1225.489909]  ? zone_watermark_ok_safe+0x260/0x260
[ 1225.497014] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1225.499649]  ? __cpuset_node_allowed+0x136/0x540
[ 1225.533968]  ? __isolate_free_page+0x4c0/0x4c0
[ 1225.538566]  ? wake_all_kswapds+0x14d/0x300
[ 1225.542910]  __alloc_pages_slowpath+0x2214/0x2870
[ 1225.547775]  ? warn_alloc+0x110/0x110
[ 1225.551589]  ? __lock_acquire+0x6ee/0x49c0
[ 1225.555837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1225.561387]  ? should_fail+0x14d/0x85c
[ 1225.565284]  ? __isolate_free_page+0x4c0/0x4c0
[ 1225.569881]  __alloc_pages_nodemask+0x617/0x750
[ 1225.574566]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1225.579597]  ? find_held_lock+0x35/0x130
[ 1225.583752]  cache_grow_begin+0x91/0x8c0
[ 1225.587815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1225.593365]  ? __cpuset_node_allowed+0x136/0x540
[ 1225.598241]  fallback_alloc+0x1fd/0x2d0
[ 1225.602224]  ____cache_alloc_node+0x1be/0x1e0
[ 1225.606741]  kmem_cache_alloc_node+0xe3/0x710
[ 1225.611266]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1225.615526]  __alloc_skb+0xd5/0x5f0
[ 1225.619164]  ? skb_trim+0x190/0x190
[ 1225.622796]  ? kasan_check_read+0x11/0x20
[ 1225.626985]  ndisc_alloc_skb+0x13c/0x340
[ 1225.631045]  ndisc_send_rs+0x35f/0x6e0
[ 1225.634962]  addrconf_rs_timer+0x30f/0x680
[ 1225.639216]  ? ipv6_get_lladdr+0x490/0x490
[ 1225.643466]  call_timer_fn+0x18d/0x720
[ 1225.647366]  ? ipv6_get_lladdr+0x490/0x490
[ 1225.651612]  ? process_timeout+0x40/0x40
[ 1225.655666]  ? run_timer_softirq+0x644/0x16a0
[ 1225.660189]  ? trace_hardirqs_on+0x67/0x220
[ 1225.664527]  ? ipv6_get_lladdr+0x490/0x490
[ 1225.668812]  run_timer_softirq+0x64f/0x16a0
[ 1225.673145]  ? add_timer+0xbe0/0xbe0
[ 1225.676867]  ? __lock_is_held+0xb6/0x140
[ 1225.681009]  __do_softirq+0x25c/0x921
[ 1225.684833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1225.690370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1225.695920]  irq_exit+0x180/0x1d0
[ 1225.699371]  smp_apic_timer_interrupt+0x13b/0x550
[ 1225.704230]  apic_timer_interrupt+0xf/0x20
[ 1225.708463]  </IRQ>
[ 1225.710703] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1225.715635] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1225.734555] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1225.742282] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1225.749661] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1225.756940] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1225.764210] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1225.771588] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1225.779001]  ? find_held_lock+0x35/0x130
[ 1225.783075]  ? process_one_work+0x890/0x1750
[ 1225.787488]  skb_clone+0x156/0x3e0
[ 1225.791028]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1225.798320]  process_one_work+0x989/0x1750
[ 1225.802564]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1225.807246]  ? lock_acquire+0x16f/0x3f0
[ 1225.811234]  ? kasan_check_write+0x14/0x20
[ 1225.815476]  ? do_raw_spin_lock+0xd7/0x250
[ 1225.819733]  worker_thread+0x98/0xe40
[ 1225.823528]  ? trace_hardirqs_on+0x67/0x220
[ 1225.827857]  kthread+0x354/0x420
[ 1225.831276]  ? process_one_work+0x1750/0x1750
[ 1225.835787]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1225.841342]  ret_from_fork+0x24/0x30
[ 1225.845072] warn_alloc_show_mem: 1 callbacks suppressed
[ 1225.845097] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1225.845099] Mem-Info:
[ 1225.845129] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1225.845129]  active_file:13 inactive_file:13 isolated_file:0
[ 1225.845129]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1225.845129]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1225.845129]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1225.845129]  free:10948 free_pcp:188 free_cma:0
[ 1225.850474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1225.857934] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1225.860506] Call Trace:
[ 1225.893475] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1225.902817]  <IRQ>
[ 1225.930491] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1225.933099]  dump_stack+0x197/0x210
[ 1225.958943] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1225.961108]  warn_alloc.cold+0x7b/0x173
[ 1225.987301] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1225.990967]  ? zone_watermark_ok_safe+0x260/0x260
[ 1225.995953] lowmem_reserve[]: 0 0 1 1 1
[ 1226.000026]  ? __cpuset_node_allowed+0x136/0x540
[ 1226.028919] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1226.033804]  ? __isolate_free_page+0x4c0/0x4c0
[ 1226.037747] lowmem_reserve[]: 0 0 0 0 0
[ 1226.042519]  ? wake_all_kswapds+0x14d/0x300
[ 1226.068262] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1226.072866]  __alloc_pages_slowpath+0x2214/0x2870
[ 1226.076811] lowmem_reserve[]: 0 0 0 0 0
[ 1226.081174]  ? warn_alloc+0x110/0x110
[ 1226.108898] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1226.113774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1226.117710] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1226.121505]  ? should_fail+0x14d/0x85c
[ 1226.133974] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1226.139528]  ? __isolate_free_page+0x4c0/0x4c0
[ 1226.154870] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1226.158780]  __alloc_pages_nodemask+0x617/0x750
[ 1226.169443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1226.174034]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1226.189795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1226.194488]  cache_grow_begin+0x91/0x8c0
[ 1226.203308] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1226.208332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1226.216977] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1226.221054]  ? __cpuset_node_allowed+0x136/0x540
[ 1226.229869] 279 total pagecache pages
[ 1226.235409]  fallback_alloc+0x1fd/0x2d0
[ 1226.243964] 0 pages in swap cache
[ 1226.248732]  ____cache_alloc_node+0x1be/0x1e0
[ 1226.252507] Swap cache stats: add 0, delete 0, find 0/0
[ 1226.256470]  kmem_cache_alloc_node+0xe3/0x710
[ 1226.259924] Free swap  = 0kB
[ 1226.264428]  __alloc_skb+0xd5/0x5f0
[ 1226.269763] Total swap = 0kB
[ 1226.274280]  ? skb_trim+0x190/0x190
[ 1226.277277] 1965979 pages RAM
[ 1226.280924]  ? check_preemption_disabled+0x48/0x290
[ 1226.283919] 0 pages HighMem/MovableOnly
[ 1226.287529]  ? lock_acquire+0x16f/0x3f0
[ 1226.287552]  new_skb+0x28/0x1d0
[ 1226.290631] 341741 pages reserved
[ 1226.290640] 0 pages cma reserved
[ 1226.295662]  aoecmd_cfg+0x1b5/0x640
[ 1226.299676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1226.303581]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1226.303608]  ? timer_reduce+0x11d0/0x11d0
[ 1226.306939] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1226.310333]  discover_timer+0x4e/0x60
[ 1226.313664] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1226.317391]  call_timer_fn+0x18d/0x720
[ 1226.356463]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1226.361128]  ? process_timeout+0x40/0x40
[ 1226.365194]  ? run_timer_softirq+0x644/0x16a0
[ 1226.369711]  ? trace_hardirqs_on+0x67/0x220
[ 1226.374049]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1226.378888]  run_timer_softirq+0x64f/0x16a0
[ 1226.383229]  ? add_timer+0xbe0/0xbe0
[ 1226.387003]  ? __lock_is_held+0xb6/0x140
[ 1226.391090]  __do_softirq+0x25c/0x921
[ 1226.394899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1226.400444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1226.406087]  irq_exit+0x180/0x1d0
[ 1226.409538]  smp_apic_timer_interrupt+0x13b/0x550
[ 1226.414382]  apic_timer_interrupt+0xf/0x20
[ 1226.418606]  </IRQ>
[ 1226.420850] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1226.426234] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1226.448879] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1226.456708] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1226.464000] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1226.471750] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1226.479149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1226.486423] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1226.493709]  ? netconsole_netdev_event+0x280/0x280
[ 1226.498640]  ? console_unlock+0xf36/0x10d0
[ 1226.502913]  vprintk_emit+0x280/0x6d0
[ 1226.506712]  vprintk_default+0x28/0x30
[ 1226.510596]  vprintk_func+0x7e/0x189
[ 1226.514316]  printk+0xba/0xed
[ 1226.517428]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1226.522188]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1226.526794]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1226.531959]  dump_header+0x44b/0xa55
[ 1226.535688]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1226.540783]  ? ___ratelimit+0x60/0x595
[ 1226.544669]  ? do_raw_spin_unlock+0x181/0x270
[ 1226.549163]  oom_kill_process.cold+0x10/0x6ef
[ 1226.553665]  ? lock_downgrade+0x880/0x880
[ 1226.557834]  ? kasan_check_read+0x11/0x20
[ 1226.561996]  out_of_memory+0x362/0x1330
[ 1226.565986]  ? oom_killer_disable+0x280/0x280
[ 1226.570490]  ? mutex_trylock+0x18e/0x1e0
[ 1226.574559]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1226.579500]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1226.584379]  ? warn_alloc+0x110/0x110
[ 1226.588174]  ? __lock_is_held+0xb6/0x140
[ 1226.592233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1226.597770]  ? should_fail+0x14d/0x85c
[ 1226.601679]  ? __might_sleep+0x95/0x190
[ 1226.605656]  __alloc_pages_nodemask+0x617/0x750
[ 1226.610334]  ? kasan_check_read+0x11/0x20
[ 1226.614482]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1226.619490]  ? find_get_entry+0x3e1/0xa00
[ 1226.623654]  ? find_get_pages_contig+0xed0/0xed0
[ 1226.628422]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1226.633984]  alloc_pages_current+0x107/0x210
[ 1226.638411]  __page_cache_alloc+0x2bd/0x450
[ 1226.642733]  ? kasan_check_read+0x11/0x20
[ 1226.646880]  filemap_fault+0xfeb/0x1f00
[ 1226.650891]  ? lock_downgrade+0x880/0x880
[ 1226.655058]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1226.659738]  ? lock_acquire+0x16f/0x3f0
[ 1226.663710]  ? ext4_filemap_fault+0x7b/0xaf
[ 1226.668038]  ext4_filemap_fault+0x83/0xaf
[ 1226.672314]  __do_fault+0x111/0x480
[ 1226.675944]  __handle_mm_fault+0x2d78/0x3f80
[ 1226.680345]  ? copy_page_range+0x2030/0x2030
[ 1226.684780]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1226.689459]  handle_mm_fault+0x1b5/0x690
[ 1226.693530]  __do_page_fault+0x62a/0xe90
[ 1226.697610]  ? vmalloc_fault+0x740/0x740
[ 1226.701669]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1226.706690]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1226.711617]  ? page_fault+0x8/0x30
[ 1226.715155]  do_page_fault+0x71/0x57d
[ 1226.718949]  ? page_fault+0x8/0x30
[ 1226.722500]  page_fault+0x1e/0x30
[ 1226.725951] RIP: 0033:0x45b153
[ 1226.729150] Code: Bad RIP value.
[ 1226.732524] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1226.737893] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1226.745277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1226.752570] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1226.759851] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1226.767120] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1226.774419] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1226.774482] aoe: skb alloc failure
[ 1226.782141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1226.782168] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1226.782175] Call Trace:
[ 1226.782181]  <IRQ>
[ 1226.782200]  dump_stack+0x197/0x210
[ 1226.782220]  warn_alloc.cold+0x7b/0x173
[ 1226.785768] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1226.795223]  ? zone_watermark_ok_safe+0x260/0x260
[ 1226.802303] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1226.804889]  ? __cpuset_node_allowed+0x136/0x540
[ 1226.840279]  ? __isolate_free_page+0x4c0/0x4c0
[ 1226.844958]  ? wake_all_kswapds+0x14d/0x300
[ 1226.849284]  __alloc_pages_slowpath+0x2214/0x2870
[ 1226.854150]  ? warn_alloc+0x110/0x110
[ 1226.857947]  ? __lock_acquire+0x6ee/0x49c0
[ 1226.862172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1226.867714]  ? should_fail+0x14d/0x85c
[ 1226.871614]  ? __isolate_free_page+0x4c0/0x4c0
[ 1226.876219]  __alloc_pages_nodemask+0x617/0x750
[ 1226.880892]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1226.885914]  ? find_held_lock+0x35/0x130
[ 1226.889992]  cache_grow_begin+0x91/0x8c0
[ 1226.894061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1226.899606]  ? __cpuset_node_allowed+0x136/0x540
[ 1226.904371]  fallback_alloc+0x1fd/0x2d0
[ 1226.908347]  ____cache_alloc_node+0x1be/0x1e0
[ 1226.912840]  kmem_cache_alloc_node+0xe3/0x710
[ 1226.917350]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1226.921586]  __alloc_skb+0xd5/0x5f0
[ 1226.925221]  ? skb_trim+0x190/0x190
[ 1226.928841]  ? kasan_check_read+0x11/0x20
[ 1226.932989]  ndisc_alloc_skb+0x13c/0x340
[ 1226.937062]  ndisc_send_rs+0x35f/0x6e0
[ 1226.940951]  addrconf_rs_timer+0x30f/0x680
[ 1226.945182]  ? ipv6_get_lladdr+0x490/0x490
[ 1226.949434]  call_timer_fn+0x18d/0x720
[ 1226.953326]  ? ipv6_get_lladdr+0x490/0x490
[ 1226.957556]  ? process_timeout+0x40/0x40
[ 1226.961751]  ? run_timer_softirq+0x644/0x16a0
[ 1226.966248]  ? trace_hardirqs_on+0x67/0x220
[ 1226.970593]  ? ipv6_get_lladdr+0x490/0x490
[ 1226.974842]  run_timer_softirq+0x64f/0x16a0
[ 1226.979198]  ? add_timer+0xbe0/0xbe0
[ 1226.983889]  ? __lock_is_held+0xb6/0x140
[ 1226.987979]  __do_softirq+0x25c/0x921
[ 1226.991794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1226.997351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1227.002909]  irq_exit+0x180/0x1d0
[ 1227.006366]  smp_apic_timer_interrupt+0x13b/0x550
[ 1227.011222]  apic_timer_interrupt+0xf/0x20
[ 1227.015454]  </IRQ>
[ 1227.017705] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1227.022628] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1227.041624] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1227.049366] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1227.056630] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1227.064001] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1227.071272] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1227.078561] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1227.085873]  ? find_held_lock+0x35/0x130
[ 1227.089934]  ? process_one_work+0x890/0x1750
[ 1227.094366]  skb_clone+0x156/0x3e0
[ 1227.097916]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1227.104259]  process_one_work+0x989/0x1750
[ 1227.108501]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1227.113163]  ? lock_acquire+0x16f/0x3f0
[ 1227.117140]  ? kasan_check_write+0x14/0x20
[ 1227.121400]  ? do_raw_spin_lock+0xd7/0x250
[ 1227.125647]  worker_thread+0x98/0xe40
[ 1227.129458]  ? trace_hardirqs_on+0x67/0x220
[ 1227.133799]  kthread+0x354/0x420
[ 1227.137168]  ? process_one_work+0x1750/0x1750
[ 1227.141679]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1227.147243]  ret_from_fork+0x24/0x30
[ 1227.150974] warn_alloc_show_mem: 1 callbacks suppressed
[ 1227.150984] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1227.150986] Mem-Info:
[ 1227.151019] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1227.151019]  active_file:13 inactive_file:13 isolated_file:0
[ 1227.151019]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1227.151019]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1227.151019]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1227.151019]  free:10948 free_pcp:188 free_cma:0
[ 1227.156358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1227.163819] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1227.166219] Call Trace:
[ 1227.199302] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1227.208647]  <IRQ>
[ 1227.236240] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1227.238847]  dump_stack+0x197/0x210
[ 1227.264677] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1227.266857]  warn_alloc.cold+0x7b/0x173
[ 1227.292950] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1227.296598]  ? zone_watermark_ok_safe+0x260/0x260
[ 1227.301584] lowmem_reserve[]: 0 0 1 1 1
[ 1227.305579]  ? __cpuset_node_allowed+0x136/0x540
[ 1227.336935] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1227.341791]  ? __isolate_free_page+0x4c0/0x4c0
[ 1227.345723] lowmem_reserve[]: 0 0 0 0 0
[ 1227.350503]  ? wake_all_kswapds+0x14d/0x300
[ 1227.376274] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1227.380882]  __alloc_pages_slowpath+0x2214/0x2870
[ 1227.384819] lowmem_reserve[]: 0 0 0 0 0
[ 1227.389181]  ? warn_alloc+0x110/0x110
[ 1227.416912] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1227.421769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1227.425716] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1227.429562]  ? should_fail+0x14d/0x85c
[ 1227.429584]  ? __isolate_free_page+0x4c0/0x4c0
[ 1227.445099] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1227.450673]  __alloc_pages_nodemask+0x617/0x750
[ 1227.465980] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1227.469903]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1227.474464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1227.485146]  cache_grow_begin+0x91/0x8c0
[ 1227.489789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1227.505593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1227.510601] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1227.519543]  ? __cpuset_node_allowed+0x136/0x540
[ 1227.523581] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1227.532155]  fallback_alloc+0x1fd/0x2d0
[ 1227.537677] 279 total pagecache pages
[ 1227.546527]  ____cache_alloc_node+0x1be/0x1e0
[ 1227.551268] 0 pages in swap cache
[ 1227.559859]  kmem_cache_alloc_node+0xe3/0x710
[ 1227.563811] Swap cache stats: add 0, delete 0, find 0/0
[ 1227.567615]  __alloc_skb+0xd5/0x5f0
[ 1227.572440] Free swap  = 0kB
[ 1227.575986]  ? skb_trim+0x190/0x190
[ 1227.580462] Total swap = 0kB
[ 1227.585829]  ? check_preemption_disabled+0x48/0x290
[ 1227.589439] 1965979 pages RAM
[ 1227.592446]  ? lock_acquire+0x16f/0x3f0
[ 1227.592469]  new_skb+0x28/0x1d0
[ 1227.596075] 0 pages HighMem/MovableOnly
[ 1227.599100]  aoecmd_cfg+0x1b5/0x640
[ 1227.604090] 341741 pages reserved
[ 1227.607320]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1227.611272] 0 pages cma reserved
[ 1227.614563]  ? timer_reduce+0x11d0/0x11d0
[ 1227.618574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1227.622145]  discover_timer+0x4e/0x60
[ 1227.622160]  call_timer_fn+0x18d/0x720
[ 1227.625730] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1227.630024]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1227.633365] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1227.637512]  ? process_timeout+0x40/0x40
[ 1227.675685]  ? run_timer_softirq+0x644/0x16a0
[ 1227.680182]  ? trace_hardirqs_on+0x67/0x220
[ 1227.684501]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1227.689175]  run_timer_softirq+0x64f/0x16a0
[ 1227.693521]  ? add_timer+0xbe0/0xbe0
[ 1227.697243]  ? __lock_is_held+0xb6/0x140
[ 1227.701331]  __do_softirq+0x25c/0x921
[ 1227.705139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1227.710678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1227.716238]  irq_exit+0x180/0x1d0
[ 1227.719710]  smp_apic_timer_interrupt+0x13b/0x550
[ 1227.724567]  apic_timer_interrupt+0xf/0x20
[ 1227.728798]  </IRQ>
[ 1227.731039] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1227.735887] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1227.754798] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1227.762516] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1227.769780] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1227.777063] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1227.784329] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1227.791600] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1227.798889]  ? netconsole_netdev_event+0x280/0x280
[ 1227.803823]  ? console_unlock+0xf36/0x10d0
[ 1227.808081]  vprintk_emit+0x280/0x6d0
[ 1227.811895]  vprintk_default+0x28/0x30
[ 1227.815779]  vprintk_func+0x7e/0x189
[ 1227.819500]  printk+0xba/0xed
[ 1227.822604]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1227.827377]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1227.831895]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1227.836914]  dump_header+0x44b/0xa55
[ 1227.840637]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1227.845736]  ? ___ratelimit+0x60/0x595
[ 1227.849634]  ? do_raw_spin_unlock+0x181/0x270
[ 1227.854154]  oom_kill_process.cold+0x10/0x6ef
[ 1227.858667]  ? lock_downgrade+0x880/0x880
[ 1227.862840]  ? kasan_check_read+0x11/0x20
[ 1227.866991]  out_of_memory+0x362/0x1330
[ 1227.870993]  ? oom_killer_disable+0x280/0x280
[ 1227.875501]  ? mutex_trylock+0x18e/0x1e0
[ 1227.879583]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1227.884523]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1227.889414]  ? warn_alloc+0x110/0x110
[ 1227.893208]  ? __lock_is_held+0xb6/0x140
[ 1227.897386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1227.902933]  ? should_fail+0x14d/0x85c
[ 1227.906824]  ? __might_sleep+0x95/0x190
[ 1227.910802]  __alloc_pages_nodemask+0x617/0x750
[ 1227.915482]  ? kasan_check_read+0x11/0x20
[ 1227.919638]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1227.924648]  ? find_get_entry+0x3e1/0xa00
[ 1227.928913]  ? find_get_pages_contig+0xed0/0xed0
[ 1227.933679]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1227.939214]  alloc_pages_current+0x107/0x210
[ 1227.943635]  __page_cache_alloc+0x2bd/0x450
[ 1227.947963]  ? kasan_check_read+0x11/0x20
[ 1227.952126]  filemap_fault+0xfeb/0x1f00
[ 1227.956101]  ? lock_downgrade+0x880/0x880
[ 1227.960253]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1227.964937]  ? lock_acquire+0x16f/0x3f0
[ 1227.968930]  ? ext4_filemap_fault+0x7b/0xaf
[ 1227.973284]  ext4_filemap_fault+0x83/0xaf
[ 1227.977429]  __do_fault+0x111/0x480
[ 1227.981063]  __handle_mm_fault+0x2d78/0x3f80
[ 1227.985469]  ? copy_page_range+0x2030/0x2030
[ 1227.989886]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1227.994547]  handle_mm_fault+0x1b5/0x690
[ 1227.998605]  __do_page_fault+0x62a/0xe90
[ 1228.002676]  ? vmalloc_fault+0x740/0x740
[ 1228.006753]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1228.011772]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1228.016698]  ? page_fault+0x8/0x30
[ 1228.020250]  do_page_fault+0x71/0x57d
[ 1228.024046]  ? page_fault+0x8/0x30
[ 1228.027583]  page_fault+0x1e/0x30
[ 1228.031037] RIP: 0033:0x45b153
[ 1228.034240] Code: Bad RIP value.
[ 1228.037620] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1228.042978] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1228.050251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1228.057528] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1228.064802] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1228.072064] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1228.079377] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1228.079436] aoe: skb alloc failure
[ 1228.087093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1228.087127] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1228.087134] Call Trace:
[ 1228.087140]  <IRQ>
[ 1228.087158]  dump_stack+0x197/0x210
[ 1228.087179]  warn_alloc.cold+0x7b/0x173
[ 1228.090735] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1228.100085]  ? zone_watermark_ok_safe+0x260/0x260
[ 1228.107224] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1228.109823]  ? __cpuset_node_allowed+0x136/0x540
[ 1228.144091]  ? __isolate_free_page+0x4c0/0x4c0
[ 1228.148676]  ? wake_all_kswapds+0x14d/0x300
[ 1228.153073]  __alloc_pages_slowpath+0x2214/0x2870
[ 1228.157946]  ? warn_alloc+0x110/0x110
[ 1228.161890]  ? __lock_acquire+0x6ee/0x49c0
[ 1228.166123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1228.171669]  ? should_fail+0x14d/0x85c
[ 1228.175645]  ? __isolate_free_page+0x4c0/0x4c0
[ 1228.180229]  __alloc_pages_nodemask+0x617/0x750
[ 1228.184914]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1228.189954]  ? find_held_lock+0x35/0x130
[ 1228.194018]  cache_grow_begin+0x91/0x8c0
[ 1228.198137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1228.203784]  ? __cpuset_node_allowed+0x136/0x540
[ 1228.208547]  fallback_alloc+0x1fd/0x2d0
[ 1228.212532]  ____cache_alloc_node+0x1be/0x1e0
[ 1228.217048]  kmem_cache_alloc_node+0xe3/0x710
[ 1228.221565]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1228.225822]  __alloc_skb+0xd5/0x5f0
[ 1228.229463]  ? skb_trim+0x190/0x190
[ 1228.233099]  ? kasan_check_read+0x11/0x20
[ 1228.237270]  ndisc_alloc_skb+0x13c/0x340
[ 1228.241425]  ndisc_send_rs+0x35f/0x6e0
[ 1228.245330]  addrconf_rs_timer+0x30f/0x680
[ 1228.249581]  ? ipv6_get_lladdr+0x490/0x490
[ 1228.253829]  call_timer_fn+0x18d/0x720
[ 1228.257721]  ? ipv6_get_lladdr+0x490/0x490
[ 1228.261953]  ? process_timeout+0x40/0x40
[ 1228.266041]  ? run_timer_softirq+0x644/0x16a0
[ 1228.270554]  ? trace_hardirqs_on+0x67/0x220
[ 1228.274897]  ? ipv6_get_lladdr+0x490/0x490
[ 1228.279152]  run_timer_softirq+0x64f/0x16a0
[ 1228.283497]  ? add_timer+0xbe0/0xbe0
[ 1228.287217]  ? __lock_is_held+0xb6/0x140
[ 1228.291308]  __do_softirq+0x25c/0x921
[ 1228.295110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1228.300663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1228.306210]  irq_exit+0x180/0x1d0
[ 1228.309670]  smp_apic_timer_interrupt+0x13b/0x550
[ 1228.314541]  apic_timer_interrupt+0xf/0x20
[ 1228.318764]  </IRQ>
[ 1228.321025] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1228.325965] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1228.345914] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1228.353666] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1228.360933] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1228.368208] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1228.375487] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1228.382754] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1228.390058]  ? find_held_lock+0x35/0x130
[ 1228.394175]  ? process_one_work+0x890/0x1750
[ 1228.398604]  skb_clone+0x156/0x3e0
[ 1228.402167]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1228.408492]  process_one_work+0x989/0x1750
[ 1228.412772]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1228.417472]  ? lock_acquire+0x16f/0x3f0
[ 1228.421446]  ? kasan_check_write+0x14/0x20
[ 1228.425675]  ? do_raw_spin_lock+0xd7/0x250
[ 1228.429928]  worker_thread+0x98/0xe40
[ 1228.433724]  ? trace_hardirqs_on+0x67/0x220
[ 1228.438050]  kthread+0x354/0x420
[ 1228.441417]  ? process_one_work+0x1750/0x1750
[ 1228.445904]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1228.451437]  ret_from_fork+0x24/0x30
[ 1228.455153] warn_alloc_show_mem: 1 callbacks suppressed
[ 1228.455163] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1228.455165] Mem-Info:
[ 1228.455195] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1228.455195]  active_file:13 inactive_file:13 isolated_file:0
[ 1228.455195]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1228.455195]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1228.455195]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1228.455195]  free:10948 free_pcp:188 free_cma:0
[ 1228.460653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1228.460663] Call Trace:
[ 1228.468130] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1228.470533]  <IRQ>
[ 1228.503756] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1228.513455]  dump_stack+0x197/0x210
[ 1228.516008] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1228.543624]  warn_alloc.cold+0x7b/0x173
[ 1228.545752] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1228.571631]  ? zone_watermark_ok_safe+0x260/0x260
[ 1228.575232] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1228.601375]  ? __cpuset_node_allowed+0x136/0x540
[ 1228.605325] lowmem_reserve[]: 0 0 1 1 1
[ 1228.610461]  ? __isolate_free_page+0x4c0/0x4c0
[ 1228.615277] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1228.644094]  ? wake_all_kswapds+0x14d/0x300
[ 1228.648836] lowmem_reserve[]: 0 0 0 0 0
[ 1228.652831]  __alloc_pages_slowpath+0x2214/0x2870
[ 1228.657389] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1228.683301]  ? warn_alloc+0x110/0x110
[ 1228.687584] lowmem_reserve[]: 0 0 0 0 0
[ 1228.691554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1228.696476] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1228.724936]  ? should_fail+0x14d/0x85c
[ 1228.728715] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1228.732687]  ? __isolate_free_page+0x4c0/0x4c0
[ 1228.738225] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1228.750863]  __alloc_pages_nodemask+0x617/0x750
[ 1228.754736] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1228.770014]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1228.774586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1228.785267]  cache_grow_begin+0x91/0x8c0
[ 1228.789908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1228.805692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1228.810704] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1228.819560]  ? __cpuset_node_allowed+0x136/0x540
[ 1228.823601] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1228.832199]  fallback_alloc+0x1fd/0x2d0
[ 1228.837712] 279 total pagecache pages
[ 1228.846576]  ____cache_alloc_node+0x1be/0x1e0
[ 1228.851314] 0 pages in swap cache
[ 1228.860077]  kmem_cache_alloc_node+0xe3/0x710
[ 1228.864039] Swap cache stats: add 0, delete 0, find 0/0
[ 1228.867859]  __alloc_skb+0xd5/0x5f0
[ 1228.872319] Free swap  = 0kB
[ 1228.875763]  ? skb_trim+0x190/0x190
[ 1228.880245] Total swap = 0kB
[ 1228.885627]  ? check_preemption_disabled+0x48/0x290
[ 1228.889235] 1965979 pages RAM
[ 1228.892255]  ? lock_acquire+0x16f/0x3f0
[ 1228.895857] 0 pages HighMem/MovableOnly
[ 1228.898879]  new_skb+0x28/0x1d0
[ 1228.903870] 341741 pages reserved
[ 1228.903879] 0 pages cma reserved
[ 1228.906996]  aoecmd_cfg+0x1b5/0x640
[ 1228.911003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1228.914954]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1228.914977]  ? timer_reduce+0x11d0/0x11d0
[ 1228.918549] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1228.921713]  discover_timer+0x4e/0x60
[ 1228.925053] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1228.928695]  call_timer_fn+0x18d/0x720
[ 1228.965664]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1228.970345]  ? process_timeout+0x40/0x40
[ 1228.974412]  ? run_timer_softirq+0x644/0x16a0
[ 1228.978930]  ? trace_hardirqs_on+0x67/0x220
[ 1228.983254]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1228.987951]  run_timer_softirq+0x64f/0x16a0
[ 1228.992310]  ? add_timer+0xbe0/0xbe0
[ 1228.996034]  ? __lock_is_held+0xb6/0x140
[ 1229.000146]  __do_softirq+0x25c/0x921
[ 1229.003949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1229.009509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1229.015056]  irq_exit+0x180/0x1d0
[ 1229.018520]  smp_apic_timer_interrupt+0x13b/0x550
[ 1229.023376]  apic_timer_interrupt+0xf/0x20
[ 1229.027610]  </IRQ>
[ 1229.029859] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1229.034703] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1229.053637] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1229.061362] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1229.068652] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1229.075943] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1229.083219] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1229.090486] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1229.097794]  ? netconsole_netdev_event+0x280/0x280
[ 1229.102730]  ? console_unlock+0xf36/0x10d0
[ 1229.106988]  vprintk_emit+0x280/0x6d0
[ 1229.110904]  vprintk_default+0x28/0x30
[ 1229.114794]  vprintk_func+0x7e/0x189
[ 1229.118500]  printk+0xba/0xed
[ 1229.121603]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1229.126378]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1229.130937]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1229.135960]  dump_header+0x44b/0xa55
[ 1229.139671]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1229.144768]  ? ___ratelimit+0x60/0x595
[ 1229.148646]  ? do_raw_spin_unlock+0x181/0x270
[ 1229.153144]  oom_kill_process.cold+0x10/0x6ef
[ 1229.157650]  ? lock_downgrade+0x880/0x880
[ 1229.161816]  ? kasan_check_read+0x11/0x20
[ 1229.165987]  out_of_memory+0x362/0x1330
[ 1229.169999]  ? oom_killer_disable+0x280/0x280
[ 1229.174496]  ? mutex_trylock+0x18e/0x1e0
[ 1229.178565]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1229.183519]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1229.188384]  ? warn_alloc+0x110/0x110
[ 1229.192179]  ? __lock_is_held+0xb6/0x140
[ 1229.196238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1229.202638]  ? should_fail+0x14d/0x85c
[ 1229.206529]  ? __might_sleep+0x95/0x190
[ 1229.210498]  __alloc_pages_nodemask+0x617/0x750
[ 1229.215160]  ? kasan_check_read+0x11/0x20
[ 1229.219300]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1229.224325]  ? find_get_entry+0x3e1/0xa00
[ 1229.228474]  ? find_get_pages_contig+0xed0/0xed0
[ 1229.233224]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1229.238770]  alloc_pages_current+0x107/0x210
[ 1229.243177]  __page_cache_alloc+0x2bd/0x450
[ 1229.247513]  ? kasan_check_read+0x11/0x20
[ 1229.254173]  filemap_fault+0xfeb/0x1f00
[ 1229.258159]  ? lock_downgrade+0x880/0x880
[ 1229.262304]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1229.266970]  ? lock_acquire+0x16f/0x3f0
[ 1229.270940]  ? ext4_filemap_fault+0x7b/0xaf
[ 1229.275273]  ext4_filemap_fault+0x83/0xaf
[ 1229.279417]  __do_fault+0x111/0x480
[ 1229.283039]  __handle_mm_fault+0x2d78/0x3f80
[ 1229.287453]  ? copy_page_range+0x2030/0x2030
[ 1229.291870]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1229.296547]  handle_mm_fault+0x1b5/0x690
[ 1229.300603]  __do_page_fault+0x62a/0xe90
[ 1229.304661]  ? vmalloc_fault+0x740/0x740
[ 1229.308717]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1229.313726]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1229.318647]  ? page_fault+0x8/0x30
[ 1229.322181]  do_page_fault+0x71/0x57d
[ 1229.325977]  ? page_fault+0x8/0x30
[ 1229.329508]  page_fault+0x1e/0x30
[ 1229.333047] RIP: 0033:0x45b153
[ 1229.336242] Code: Bad RIP value.
[ 1229.339606] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1229.344973] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1229.352237] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1229.359516] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1229.366782] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1229.374044] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1229.381347] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1229.381421] aoe: skb alloc failure
[ 1229.389067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1229.389095] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1229.392666] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1229.401966] Call Trace:
[ 1229.401978]  <IRQ>
[ 1229.409069] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1229.419294]  dump_stack+0x197/0x210
[ 1229.432409]  warn_alloc.cold+0x7b/0x173
[ 1229.436390]  ? zone_watermark_ok_safe+0x260/0x260
[ 1229.441242]  ? __cpuset_node_allowed+0x136/0x540
[ 1229.446004]  ? __isolate_free_page+0x4c0/0x4c0
[ 1229.450583]  ? wake_all_kswapds+0x14d/0x300
[ 1229.455091]  __alloc_pages_slowpath+0x2214/0x2870
[ 1229.459963]  ? warn_alloc+0x110/0x110
[ 1229.463790]  ? lock_downgrade+0x880/0x880
[ 1229.467936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1229.473470]  ? should_fail+0x14d/0x85c
[ 1229.477370]  ? __isolate_free_page+0x4c0/0x4c0
[ 1229.481971]  __alloc_pages_nodemask+0x617/0x750
[ 1229.486659]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1229.491699]  ? mark_held_locks+0x100/0x100
[ 1229.496295]  ? mod_timer+0x576/0x1030
[ 1229.500102]  page_frag_alloc+0x541/0x670
[ 1229.504178]  ? check_preemption_disabled+0x48/0x290
[ 1229.509196]  __netdev_alloc_skb+0x20a/0x470
[ 1229.513537]  send_hsr_supervision_frame+0x110/0xfc0
[ 1229.518556]  ? lock_acquire+0x16f/0x3f0
[ 1229.522534]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1229.527569]  hsr_announce+0x12f/0x3b0
[ 1229.531387]  call_timer_fn+0x18d/0x720
[ 1229.535323]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1229.540525]  ? process_timeout+0x40/0x40
[ 1229.544670]  ? run_timer_softirq+0x644/0x16a0
[ 1229.549195]  ? trace_hardirqs_on+0x67/0x220
[ 1229.553536]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1229.558739]  run_timer_softirq+0x64f/0x16a0
[ 1229.563073]  ? add_timer+0xbe0/0xbe0
[ 1229.566801]  ? __lock_is_held+0xb6/0x140
[ 1229.570897]  __do_softirq+0x25c/0x921
[ 1229.574720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1229.580265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1229.585827]  irq_exit+0x180/0x1d0
[ 1229.589391]  smp_apic_timer_interrupt+0x13b/0x550
[ 1229.594281]  apic_timer_interrupt+0xf/0x20
[ 1229.598509]  </IRQ>
[ 1229.600889] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1229.605840] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1229.624760] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1229.632480] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1229.639770] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1229.647050] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1229.654448] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1229.661720] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1229.669027]  ? find_held_lock+0x35/0x130
[ 1229.673088]  ? process_one_work+0x890/0x1750
[ 1229.677514]  skb_clone+0x156/0x3e0
[ 1229.681166]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1229.687494]  process_one_work+0x989/0x1750
[ 1229.691736]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1229.696414]  ? lock_acquire+0x16f/0x3f0
[ 1229.700409]  ? kasan_check_write+0x14/0x20
[ 1229.704668]  ? do_raw_spin_lock+0xd7/0x250
[ 1229.708925]  worker_thread+0x98/0xe40
[ 1229.712733]  ? trace_hardirqs_on+0x67/0x220
[ 1229.717067]  kthread+0x354/0x420
[ 1229.720430]  ? process_one_work+0x1750/0x1750
[ 1229.724934]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1229.730506]  ret_from_fork+0x24/0x30
[ 1229.734234] warn_alloc_show_mem: 1 callbacks suppressed
[ 1229.734246] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1229.734248] Mem-Info:
[ 1229.734277] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1229.734277]  active_file:13 inactive_file:13 isolated_file:0
[ 1229.734277]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1229.734277]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1229.734277]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1229.734277]  free:10948 free_pcp:188 free_cma:0
[ 1229.739632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1229.747136] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1229.749562] Call Trace:
[ 1229.782803] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1229.792131]  <IRQ>
[ 1229.819967] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1229.822563]  dump_stack+0x197/0x210
[ 1229.848384] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1229.850550]  warn_alloc.cold+0x7b/0x173
[ 1229.876650] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1229.880298]  ? zone_watermark_ok_safe+0x260/0x260
[ 1229.885306] lowmem_reserve[]: 0 0 1 1 1
[ 1229.889309]  ? __cpuset_node_allowed+0x136/0x540
[ 1229.918089] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1229.922954]  ? __isolate_free_page+0x4c0/0x4c0
[ 1229.926902] lowmem_reserve[]: 0 0 0 0 0
[ 1229.931808]  ? wake_all_kswapds+0x14d/0x300
[ 1229.957564] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1229.962178]  __alloc_pages_slowpath+0x2214/0x2870
[ 1229.966104] lowmem_reserve[]: 0 0 0 0 0
[ 1229.970468]  ? warn_alloc+0x110/0x110
[ 1229.998213] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1230.003070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1230.007005] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1230.010846]  ? should_fail+0x14d/0x85c
[ 1230.023316] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1230.028902]  ? __isolate_free_page+0x4c0/0x4c0
[ 1230.044155] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1230.048077]  __alloc_pages_nodemask+0x617/0x750
[ 1230.058846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1230.063454]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1230.079198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1230.083888]  cache_grow_begin+0x91/0x8c0
[ 1230.092717] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1230.097742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1230.106290] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1230.110343]  ? __cpuset_node_allowed+0x136/0x540
[ 1230.119166] 279 total pagecache pages
[ 1230.126022]  fallback_alloc+0x1fd/0x2d0
[ 1230.134589] 0 pages in swap cache
[ 1230.139379]  ____cache_alloc_node+0x1be/0x1e0
[ 1230.143201] Swap cache stats: add 0, delete 0, find 0/0
[ 1230.143213] Free swap  = 0kB
[ 1230.147206]  kmem_cache_alloc_node+0xe3/0x710
[ 1230.150635] Total swap = 0kB
[ 1230.155135]  __alloc_skb+0xd5/0x5f0
[ 1230.160480] 1965979 pages RAM
[ 1230.163507]  ? skb_trim+0x190/0x190
[ 1230.167967] 0 pages HighMem/MovableOnly
[ 1230.167977] 341741 pages reserved
[ 1230.171021]  ? check_preemption_disabled+0x48/0x290
[ 1230.174632] 0 pages cma reserved
[ 1230.174788] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1230.177745]  ? lock_acquire+0x16f/0x3f0
[ 1230.177767]  new_skb+0x28/0x1d0
[ 1230.181393] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1230.185386]  aoecmd_cfg+0x1b5/0x640
[ 1230.224297]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1230.228629]  ? timer_reduce+0x11d0/0x11d0
[ 1230.232810]  discover_timer+0x4e/0x60
[ 1230.236620]  call_timer_fn+0x18d/0x720
[ 1230.240651]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1230.245340]  ? process_timeout+0x40/0x40
[ 1230.249397]  ? run_timer_softirq+0x644/0x16a0
[ 1230.253905]  ? trace_hardirqs_on+0x67/0x220
[ 1230.258238]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1230.262909]  run_timer_softirq+0x64f/0x16a0
[ 1230.267242]  ? add_timer+0xbe0/0xbe0
[ 1230.270953]  ? __lock_is_held+0xb6/0x140
[ 1230.275016]  __do_softirq+0x25c/0x921
[ 1230.278810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1230.284347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1230.290323]  irq_exit+0x180/0x1d0
[ 1230.293774]  smp_apic_timer_interrupt+0x13b/0x550
[ 1230.298623]  apic_timer_interrupt+0xf/0x20
[ 1230.302856]  </IRQ>
[ 1230.305084] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1230.309922] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1230.329944] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1230.337645] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1230.344907] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1230.352172] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1230.359443] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1230.366706] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1230.373984]  ? netconsole_netdev_event+0x280/0x280
[ 1230.378915]  ? console_unlock+0xf36/0x10d0
[ 1230.383158]  vprintk_emit+0x280/0x6d0
[ 1230.386959]  vprintk_default+0x28/0x30
[ 1230.390851]  vprintk_func+0x7e/0x189
[ 1230.394558]  printk+0xba/0xed
[ 1230.398011]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1230.402777]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1230.407269]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1230.412283]  dump_header+0x44b/0xa55
[ 1230.415996]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1230.421099]  ? ___ratelimit+0x60/0x595
[ 1230.424978]  ? do_raw_spin_unlock+0x181/0x270
[ 1230.429478]  oom_kill_process.cold+0x10/0x6ef
[ 1230.433971]  ? lock_downgrade+0x880/0x880
[ 1230.438131]  ? kasan_check_read+0x11/0x20
[ 1230.442288]  out_of_memory+0x362/0x1330
[ 1230.446266]  ? oom_killer_disable+0x280/0x280
[ 1230.450765]  ? mutex_trylock+0x18e/0x1e0
[ 1230.454818]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1230.459759]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1230.464611]  ? warn_alloc+0x110/0x110
[ 1230.468402]  ? __lock_is_held+0xb6/0x140
[ 1230.472465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1230.478086]  ? should_fail+0x14d/0x85c
[ 1230.482006]  ? __might_sleep+0x95/0x190
[ 1230.486959]  __alloc_pages_nodemask+0x617/0x750
[ 1230.491630]  ? kasan_check_read+0x11/0x20
[ 1230.495783]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1230.500813]  ? find_get_entry+0x3e1/0xa00
[ 1230.504982]  ? find_get_pages_contig+0xed0/0xed0
[ 1230.509747]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1230.515286]  alloc_pages_current+0x107/0x210
[ 1230.519698]  __page_cache_alloc+0x2bd/0x450
[ 1230.524026]  ? kasan_check_read+0x11/0x20
[ 1230.528189]  filemap_fault+0xfeb/0x1f00
[ 1230.532177]  ? lock_downgrade+0x880/0x880
[ 1230.536340]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1230.541026]  ? lock_acquire+0x16f/0x3f0
[ 1230.545012]  ? ext4_filemap_fault+0x7b/0xaf
[ 1230.549379]  ext4_filemap_fault+0x83/0xaf
[ 1230.553528]  __do_fault+0x111/0x480
[ 1230.557155]  __handle_mm_fault+0x2d78/0x3f80
[ 1230.561566]  ? copy_page_range+0x2030/0x2030
[ 1230.565985]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1230.570649]  handle_mm_fault+0x1b5/0x690
[ 1230.574709]  __do_page_fault+0x62a/0xe90
[ 1230.578763]  ? vmalloc_fault+0x740/0x740
[ 1230.582823]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1230.587826]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1230.592748]  ? page_fault+0x8/0x30
[ 1230.596281]  do_page_fault+0x71/0x57d
[ 1230.600072]  ? page_fault+0x8/0x30
[ 1230.603606]  page_fault+0x1e/0x30
[ 1230.608178] RIP: 0033:0x45b153
[ 1230.611377] Code: Bad RIP value.
[ 1230.614740] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1230.620138] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1230.627410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1230.634675] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1230.641936] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1230.649196] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1230.656491] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1230.656551] aoe: skb alloc failure
[ 1230.664201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1230.664228] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1230.667785] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1230.677125] Call Trace:
[ 1230.677135]  <IRQ>
[ 1230.684230] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1230.694461]  dump_stack+0x197/0x210
[ 1230.707563]  warn_alloc.cold+0x7b/0x173
[ 1230.711559]  ? zone_watermark_ok_safe+0x260/0x260
[ 1230.716406]  ? __cpuset_node_allowed+0x136/0x540
[ 1230.721218]  ? __isolate_free_page+0x4c0/0x4c0
[ 1230.725801]  ? wake_all_kswapds+0x14d/0x300
[ 1230.730143]  __alloc_pages_slowpath+0x2214/0x2870
[ 1230.734996]  ? warn_alloc+0x110/0x110
[ 1230.738793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1230.744324]  ? should_fail+0x14d/0x85c
[ 1230.748207]  ? __isolate_free_page+0x4c0/0x4c0
[ 1230.752788]  __alloc_pages_nodemask+0x617/0x750
[ 1230.757452]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1230.762468]  ? mark_held_locks+0x100/0x100
[ 1230.766698]  page_frag_alloc+0x541/0x670
[ 1230.770749]  ? check_preemption_disabled+0x48/0x290
[ 1230.775772]  __netdev_alloc_skb+0x20a/0x470
[ 1230.780099]  send_hsr_supervision_frame+0x110/0xfc0
[ 1230.785129]  ? lock_acquire+0x16f/0x3f0
[ 1230.789108]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1230.794122]  hsr_announce+0x12f/0x3b0
[ 1230.797921]  call_timer_fn+0x18d/0x720
[ 1230.801820]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1230.807094]  ? process_timeout+0x40/0x40
[ 1230.811145]  ? run_timer_softirq+0x644/0x16a0
[ 1230.815681]  ? trace_hardirqs_on+0x67/0x220
[ 1230.820017]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1230.825308]  run_timer_softirq+0x64f/0x16a0
[ 1230.829631]  ? add_timer+0xbe0/0xbe0
[ 1230.833341]  ? __lock_is_held+0xb6/0x140
[ 1230.837408]  __do_softirq+0x25c/0x921
[ 1230.841237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1230.846789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1230.852349]  irq_exit+0x180/0x1d0
[ 1230.855814]  smp_apic_timer_interrupt+0x13b/0x550
[ 1230.860679]  apic_timer_interrupt+0xf/0x20
[ 1230.864902]  </IRQ>
[ 1230.867138] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1230.872065] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1230.891576] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1230.899285] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1230.906546] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1230.913815] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1230.921098] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1230.929202] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1230.936498]  ? find_held_lock+0x35/0x130
[ 1230.940562]  ? process_one_work+0x890/0x1750
[ 1230.944970]  skb_clone+0x156/0x3e0
[ 1230.948509]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1230.954830]  process_one_work+0x989/0x1750
[ 1230.959064]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1230.963723]  ? lock_acquire+0x16f/0x3f0
[ 1230.967693]  ? kasan_check_write+0x14/0x20
[ 1230.971929]  ? do_raw_spin_lock+0xd7/0x250
[ 1230.976160]  worker_thread+0x98/0xe40
[ 1230.979953]  ? trace_hardirqs_on+0x67/0x220
[ 1230.984285]  kthread+0x354/0x420
[ 1230.987645]  ? process_one_work+0x1750/0x1750
[ 1230.992132]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1230.997673]  ret_from_fork+0x24/0x30
[ 1231.001403] warn_alloc_show_mem: 1 callbacks suppressed
[ 1231.001413] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1231.001415] Mem-Info:
[ 1231.001445] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1231.001445]  active_file:13 inactive_file:13 isolated_file:0
[ 1231.001445]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1231.001445]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1231.001445]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1231.001445]  free:10948 free_pcp:188 free_cma:0
[ 1231.006780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1231.014223] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1231.016617] Call Trace:
[ 1231.050020] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1231.059353]  <IRQ>
[ 1231.087008] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1231.089593]  dump_stack+0x197/0x210
[ 1231.115525] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1231.117716]  warn_alloc.cold+0x7b/0x173
[ 1231.143855] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1231.147506]  ? zone_watermark_ok_safe+0x260/0x260
[ 1231.152506] lowmem_reserve[]: 0 0 1 1 1
[ 1231.156509]  ? __cpuset_node_allowed+0x136/0x540
[ 1231.185308] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1231.190168]  ? __isolate_free_page+0x4c0/0x4c0
[ 1231.194096] lowmem_reserve[]: 0 0 0 0 0
[ 1231.198880]  ? wake_all_kswapds+0x14d/0x300
[ 1231.224630] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1231.229231]  __alloc_pages_slowpath+0x2214/0x2870
[ 1231.233165] lowmem_reserve[]: 0 0 0 0 0
[ 1231.237496]  ? warn_alloc+0x110/0x110
[ 1231.265224] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1231.270060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1231.274002] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1231.277813]  ? should_fail+0x14d/0x85c
[ 1231.290258] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1231.295798]  ? __isolate_free_page+0x4c0/0x4c0
[ 1231.311490] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1231.315429]  __alloc_pages_nodemask+0x617/0x750
[ 1231.326097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1231.330698]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1231.347078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1231.351775]  cache_grow_begin+0x91/0x8c0
[ 1231.360603] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1231.365622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1231.374175] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1231.378245]  ? __cpuset_node_allowed+0x136/0x540
[ 1231.387053] 279 total pagecache pages
[ 1231.393022]  fallback_alloc+0x1fd/0x2d0
[ 1231.401576] 0 pages in swap cache
[ 1231.406322]  ____cache_alloc_node+0x1be/0x1e0
[ 1231.410107] Swap cache stats: add 0, delete 0, find 0/0
[ 1231.414070]  kmem_cache_alloc_node+0xe3/0x710
[ 1231.417498] Free swap  = 0kB
[ 1231.422120]  __alloc_skb+0xd5/0x5f0
[ 1231.427460] Total swap = 0kB
[ 1231.427469] 1965979 pages RAM
[ 1231.431957]  ? skb_trim+0x190/0x190
[ 1231.434942] 0 pages HighMem/MovableOnly
[ 1231.434950] 341741 pages reserved
[ 1231.438570]  ? check_preemption_disabled+0x48/0x290
[ 1231.441557] 0 pages cma reserved
[ 1231.444654]  ? lock_acquire+0x16f/0x3f0
[ 1231.448353] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1231.452232]  new_skb+0x28/0x1d0
[ 1231.455666] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1231.460681]  aoecmd_cfg+0x1b5/0x640
[ 1231.489218]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1231.493545]  ? timer_reduce+0x11d0/0x11d0
[ 1231.497695]  discover_timer+0x4e/0x60
[ 1231.501500]  call_timer_fn+0x18d/0x720
[ 1231.505385]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1231.510054]  ? process_timeout+0x40/0x40
[ 1231.514104]  ? run_timer_softirq+0x644/0x16a0
[ 1231.518596]  ? trace_hardirqs_on+0x67/0x220
[ 1231.522915]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1231.527580]  run_timer_softirq+0x64f/0x16a0
[ 1231.532161]  ? add_timer+0xbe0/0xbe0
[ 1231.535873]  ? __lock_is_held+0xb6/0x140
[ 1231.539939]  __do_softirq+0x25c/0x921
[ 1231.543729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1231.549292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1231.554828]  irq_exit+0x180/0x1d0
[ 1231.558272]  smp_apic_timer_interrupt+0x13b/0x550
[ 1231.563197]  apic_timer_interrupt+0xf/0x20
[ 1231.567432]  </IRQ>
[ 1231.569682] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1231.574527] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1231.593439] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1231.601143] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1231.608401] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1231.615658] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1231.622926] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1231.630218] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1231.637536]  ? netconsole_netdev_event+0x280/0x280
[ 1231.642468]  ? console_unlock+0xf36/0x10d0
[ 1231.646711]  vprintk_emit+0x280/0x6d0
[ 1231.650520]  vprintk_default+0x28/0x30
[ 1231.654402]  vprintk_func+0x7e/0x189
[ 1231.658106]  printk+0xba/0xed
[ 1231.661200]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1231.665950]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1231.670441]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1231.675464]  dump_header+0x44b/0xa55
[ 1231.679172]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1231.684272]  ? ___ratelimit+0x60/0x595
[ 1231.688150]  ? do_raw_spin_unlock+0x181/0x270
[ 1231.692648]  oom_kill_process.cold+0x10/0x6ef
[ 1231.697140]  ? lock_downgrade+0x880/0x880
[ 1231.701281]  ? kasan_check_read+0x11/0x20
[ 1231.705424]  out_of_memory+0x362/0x1330
[ 1231.709394]  ? oom_killer_disable+0x280/0x280
[ 1231.713879]  ? mutex_trylock+0x18e/0x1e0
[ 1231.717945]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1231.722882]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1231.727765]  ? warn_alloc+0x110/0x110
[ 1231.731565]  ? __lock_is_held+0xb6/0x140
[ 1231.735650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1231.741185]  ? should_fail+0x14d/0x85c
[ 1231.745075]  ? __might_sleep+0x95/0x190
[ 1231.749050]  __alloc_pages_nodemask+0x617/0x750
[ 1231.753726]  ? kasan_check_read+0x11/0x20
[ 1231.757888]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1231.762912]  ? find_get_entry+0x3e1/0xa00
[ 1231.767086]  ? find_get_pages_contig+0xed0/0xed0
[ 1231.771861]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1231.777404]  alloc_pages_current+0x107/0x210
[ 1231.781814]  __page_cache_alloc+0x2bd/0x450
[ 1231.786129]  ? kasan_check_read+0x11/0x20
[ 1231.790272]  filemap_fault+0xfeb/0x1f00
[ 1231.794238]  ? lock_downgrade+0x880/0x880
[ 1231.798382]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1231.803059]  ? lock_acquire+0x16f/0x3f0
[ 1231.807024]  ? ext4_filemap_fault+0x7b/0xaf
[ 1231.811373]  ext4_filemap_fault+0x83/0xaf
[ 1231.815512]  __do_fault+0x111/0x480
[ 1231.819131]  __handle_mm_fault+0x2d78/0x3f80
[ 1231.823535]  ? copy_page_range+0x2030/0x2030
[ 1231.827968]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1231.832646]  handle_mm_fault+0x1b5/0x690
[ 1231.836709]  __do_page_fault+0x62a/0xe90
[ 1231.840773]  ? vmalloc_fault+0x740/0x740
[ 1231.844846]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1231.849857]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1231.854779]  ? page_fault+0x8/0x30
[ 1231.858316]  do_page_fault+0x71/0x57d
[ 1231.862116]  ? page_fault+0x8/0x30
[ 1231.865777]  page_fault+0x1e/0x30
[ 1231.869239] RIP: 0033:0x45b153
[ 1231.872442] Code: Bad RIP value.
[ 1231.875801] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1231.881163] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1231.888453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1231.895750] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1231.903032] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1231.910675] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1231.917978] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1231.918043] aoe: skb alloc failure
[ 1231.925699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1231.925728] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1231.925734] Call Trace:
[ 1231.925741]  <IRQ>
[ 1231.925760]  dump_stack+0x197/0x210
[ 1231.925780]  warn_alloc.cold+0x7b/0x173
[ 1231.929344] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1231.938690]  ? zone_watermark_ok_safe+0x260/0x260
[ 1231.945767] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1231.948352]  ? __cpuset_node_allowed+0x136/0x540
[ 1231.982612]  ? __isolate_free_page+0x4c0/0x4c0
[ 1231.987191]  ? wake_all_kswapds+0x14d/0x300
[ 1231.991603]  __alloc_pages_slowpath+0x2214/0x2870
[ 1231.996483]  ? warn_alloc+0x110/0x110
[ 1232.000300]  ? debug_object_activate+0x206/0x4e0
[ 1232.005068]  ? find_held_lock+0x35/0x130
[ 1232.009140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1232.014686]  ? should_fail+0x14d/0x85c
[ 1232.018575]  ? __isolate_free_page+0x4c0/0x4c0
[ 1232.023170]  __alloc_pages_nodemask+0x617/0x750
[ 1232.027869]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1232.032916]  ? mark_held_locks+0x100/0x100
[ 1232.037152]  ? lockdep_hardirqs_on+0x19b/0x5d0
[ 1232.041750]  page_frag_alloc+0x541/0x670
[ 1232.045969]  ? check_preemption_disabled+0x48/0x290
[ 1232.051008]  __netdev_alloc_skb+0x20a/0x470
[ 1232.055334]  send_hsr_supervision_frame+0x110/0xfc0
[ 1232.060401]  ? lock_acquire+0x16f/0x3f0
[ 1232.064387]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1232.069411]  hsr_announce+0x12f/0x3b0
[ 1232.073212]  call_timer_fn+0x18d/0x720
[ 1232.077091]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1232.082274]  ? process_timeout+0x40/0x40
[ 1232.086324]  ? run_timer_softirq+0x644/0x16a0
[ 1232.090926]  ? trace_hardirqs_on+0x67/0x220
[ 1232.095258]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1232.100452]  run_timer_softirq+0x64f/0x16a0
[ 1232.104787]  ? add_timer+0xbe0/0xbe0
[ 1232.108512]  ? __lock_is_held+0xb6/0x140
[ 1232.112613]  __do_softirq+0x25c/0x921
[ 1232.116414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1232.121965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1232.127532]  irq_exit+0x180/0x1d0
[ 1232.130985]  smp_apic_timer_interrupt+0x13b/0x550
[ 1232.135842]  apic_timer_interrupt+0xf/0x20
[ 1232.140064]  </IRQ>
[ 1232.142298] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1232.147224] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1232.166133] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1232.173850] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1232.181131] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1232.188401] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1232.195677] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1232.202951] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1232.210242]  ? find_held_lock+0x35/0x130
[ 1232.214318]  ? process_one_work+0x890/0x1750
[ 1232.218726]  skb_clone+0x156/0x3e0
[ 1232.222268]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1232.228594]  process_one_work+0x989/0x1750
[ 1232.232844]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1232.237506]  ? lock_acquire+0x16f/0x3f0
[ 1232.241483]  ? kasan_check_write+0x14/0x20
[ 1232.245717]  ? do_raw_spin_lock+0xd7/0x250
[ 1232.249949]  worker_thread+0x98/0xe40
[ 1232.253743]  ? trace_hardirqs_on+0x67/0x220
[ 1232.258064]  kthread+0x354/0x420
[ 1232.261422]  ? process_one_work+0x1750/0x1750
[ 1232.265907]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1232.271448]  ret_from_fork+0x24/0x30
[ 1232.275259] warn_alloc_show_mem: 1 callbacks suppressed
[ 1232.275269] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1232.275271] Mem-Info:
[ 1232.275300] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1232.275300]  active_file:13 inactive_file:13 isolated_file:0
[ 1232.275300]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1232.275300]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1232.275300]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1232.275300]  free:10948 free_pcp:188 free_cma:0
[ 1232.280657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1232.288120] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1232.290513] Call Trace:
[ 1232.323498] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1232.332838]  <IRQ>
[ 1232.332865]  dump_stack+0x197/0x210
[ 1232.360432] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1232.363039]  warn_alloc.cold+0x7b/0x173
[ 1232.388848] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1232.391004]  ? zone_watermark_ok_safe+0x260/0x260
[ 1232.394615] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1232.420827]  ? __cpuset_node_allowed+0x136/0x540
[ 1232.424777] lowmem_reserve[]: 0 0 1 1 1
[ 1232.429793]  ? __isolate_free_page+0x4c0/0x4c0
[ 1232.434628] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1232.463423]  ? wake_all_kswapds+0x14d/0x300
[ 1232.468146] lowmem_reserve[]: 0 0 0 0 0
[ 1232.472825]  __alloc_pages_slowpath+0x2214/0x2870
[ 1232.477388] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1232.503163]  ? warn_alloc+0x110/0x110
[ 1232.507446] lowmem_reserve[]: 0 0 0 0 0
[ 1232.511432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1232.516266] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1232.544047]  ? should_fail+0x14d/0x85c
[ 1232.547819] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1232.557272]  ? __isolate_free_page+0x4c0/0x4c0
[ 1232.562778] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1232.575266]  __alloc_pages_nodemask+0x617/0x750
[ 1232.579119] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1232.594416]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1232.598972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1232.609663]  cache_grow_begin+0x91/0x8c0
[ 1232.614323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1232.630132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1232.635252] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1232.644094]  ? __cpuset_node_allowed+0x136/0x540
[ 1232.648182] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1232.656761]  fallback_alloc+0x1fd/0x2d0
[ 1232.662295] 279 total pagecache pages
[ 1232.671142]  ____cache_alloc_node+0x1be/0x1e0
[ 1232.675876] 0 pages in swap cache
[ 1232.684460]  kmem_cache_alloc_node+0xe3/0x710
[ 1232.688424] Swap cache stats: add 0, delete 0, find 0/0
[ 1232.692240]  __alloc_skb+0xd5/0x5f0
[ 1232.696709] Free swap  = 0kB
[ 1232.700159]  ? skb_trim+0x190/0x190
[ 1232.704659] Total swap = 0kB
[ 1232.710039]  ? check_preemption_disabled+0x48/0x290
[ 1232.713643] 1965979 pages RAM
[ 1232.716695]  ? lock_acquire+0x16f/0x3f0
[ 1232.716720]  new_skb+0x28/0x1d0
[ 1232.720328] 0 pages HighMem/MovableOnly
[ 1232.723342]  aoecmd_cfg+0x1b5/0x640
[ 1232.728458] 341741 pages reserved
[ 1232.731579]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1232.735537] 0 pages cma reserved
[ 1232.738824]  ? timer_reduce+0x11d0/0x11d0
[ 1232.742910] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1232.746450]  discover_timer+0x4e/0x60
[ 1232.749874] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1232.754206]  call_timer_fn+0x18d/0x720
[ 1232.784758]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1232.789451]  ? process_timeout+0x40/0x40
[ 1232.793523]  ? run_timer_softirq+0x644/0x16a0
[ 1232.798034]  ? trace_hardirqs_on+0x67/0x220
[ 1232.802359]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1232.807048]  run_timer_softirq+0x64f/0x16a0
[ 1232.811405]  ? add_timer+0xbe0/0xbe0
[ 1232.815121]  ? __lock_is_held+0xb6/0x140
[ 1232.819203]  __do_softirq+0x25c/0x921
[ 1232.823011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1232.828566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1232.834115]  irq_exit+0x180/0x1d0
[ 1232.837688]  smp_apic_timer_interrupt+0x13b/0x550
[ 1232.842534]  apic_timer_interrupt+0xf/0x20
[ 1232.846883]  </IRQ>
[ 1232.849158] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1232.854345] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1232.876737] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1232.884452] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1232.891736] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1232.899012] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1232.906286] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1232.913563] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1232.920852]  ? netconsole_netdev_event+0x280/0x280
[ 1232.925801]  ? console_unlock+0xf36/0x10d0
[ 1232.930049]  vprintk_emit+0x280/0x6d0
[ 1232.933850]  vprintk_default+0x28/0x30
[ 1232.937763]  vprintk_func+0x7e/0x189
[ 1232.941473]  printk+0xba/0xed
[ 1232.944586]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1232.949344]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1232.953854]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1232.958892]  dump_header+0x44b/0xa55
[ 1232.962625]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1232.967727]  ? ___ratelimit+0x60/0x595
[ 1232.971620]  ? do_raw_spin_unlock+0x181/0x270
[ 1232.976120]  oom_kill_process.cold+0x10/0x6ef
[ 1232.980747]  ? lock_downgrade+0x880/0x880
[ 1232.984902]  ? kasan_check_read+0x11/0x20
[ 1232.989066]  out_of_memory+0x362/0x1330
[ 1232.993052]  ? oom_killer_disable+0x280/0x280
[ 1232.997548]  ? mutex_trylock+0x18e/0x1e0
[ 1233.001606]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1233.006564]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1233.011426]  ? warn_alloc+0x110/0x110
[ 1233.015242]  ? __lock_is_held+0xb6/0x140
[ 1233.019432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1233.024990]  ? should_fail+0x14d/0x85c
[ 1233.028888]  ? __might_sleep+0x95/0x190
[ 1233.032861]  __alloc_pages_nodemask+0x617/0x750
[ 1233.037618]  ? kasan_check_read+0x11/0x20
[ 1233.041782]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1233.046808]  ? find_get_entry+0x3e1/0xa00
[ 1233.050960]  ? find_get_pages_contig+0xed0/0xed0
[ 1233.055934]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1233.061496]  alloc_pages_current+0x107/0x210
[ 1233.065907]  __page_cache_alloc+0x2bd/0x450
[ 1233.070221]  ? kasan_check_read+0x11/0x20
[ 1233.074363]  filemap_fault+0xfeb/0x1f00
[ 1233.078349]  ? lock_downgrade+0x880/0x880
[ 1233.082513]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1233.087175]  ? lock_acquire+0x16f/0x3f0
[ 1233.091145]  ? ext4_filemap_fault+0x7b/0xaf
[ 1233.095509]  ext4_filemap_fault+0x83/0xaf
[ 1233.099779]  __do_fault+0x111/0x480
[ 1233.103413]  __handle_mm_fault+0x2d78/0x3f80
[ 1233.107830]  ? copy_page_range+0x2030/0x2030
[ 1233.112274]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1233.116960]  handle_mm_fault+0x1b5/0x690
[ 1233.121053]  __do_page_fault+0x62a/0xe90
[ 1233.125220]  ? vmalloc_fault+0x740/0x740
[ 1233.129295]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1233.134321]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1233.139376]  ? page_fault+0x8/0x30
[ 1233.142930]  do_page_fault+0x71/0x57d
[ 1233.146752]  ? page_fault+0x8/0x30
[ 1233.150301]  page_fault+0x1e/0x30
[ 1233.153747] RIP: 0033:0x45b153
[ 1233.156947] Code: Bad RIP value.
[ 1233.160318] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1233.165816] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1233.173196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1233.180470] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1233.187752] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1233.195047] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1233.202363] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1233.202421] aoe: skb alloc failure
[ 1233.210075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1233.210100] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1233.213680] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1233.223004] Call Trace:
[ 1233.230113] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1233.240331]  <IRQ>
[ 1233.249814]  dump_stack+0x197/0x210
[ 1233.253485]  warn_alloc.cold+0x7b/0x173
[ 1233.257494]  ? zone_watermark_ok_safe+0x260/0x260
[ 1233.262343]  ? __cpuset_node_allowed+0x136/0x540
[ 1233.267579]  ? __isolate_free_page+0x4c0/0x4c0
[ 1233.272169]  ? wake_all_kswapds+0x14d/0x300
[ 1233.276507]  __alloc_pages_slowpath+0x2214/0x2870
[ 1233.281378]  ? warn_alloc+0x110/0x110
[ 1233.285190]  ? __lock_acquire+0x6ee/0x49c0
[ 1233.289422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1233.295073]  ? should_fail+0x14d/0x85c
[ 1233.298976]  ? __isolate_free_page+0x4c0/0x4c0
[ 1233.303570]  __alloc_pages_nodemask+0x617/0x750
[ 1233.308242]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1233.313265]  ? find_held_lock+0x35/0x130
[ 1233.317340]  cache_grow_begin+0x91/0x8c0
[ 1233.321404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1233.327039]  ? __cpuset_node_allowed+0x136/0x540
[ 1233.331801]  fallback_alloc+0x1fd/0x2d0
[ 1233.335782]  ____cache_alloc_node+0x1be/0x1e0
[ 1233.340298]  kmem_cache_alloc_node+0xe3/0x710
[ 1233.344795]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1233.349065]  __alloc_skb+0xd5/0x5f0
[ 1233.352734]  ? skb_trim+0x190/0x190
[ 1233.356383]  ? kasan_check_read+0x11/0x20
[ 1233.360714]  ndisc_alloc_skb+0x13c/0x340
[ 1233.364791]  ndisc_send_rs+0x35f/0x6e0
[ 1233.368680]  addrconf_rs_timer+0x30f/0x680
[ 1233.372936]  ? ipv6_get_lladdr+0x490/0x490
[ 1233.377175]  call_timer_fn+0x18d/0x720
[ 1233.381056]  ? ipv6_get_lladdr+0x490/0x490
[ 1233.385299]  ? process_timeout+0x40/0x40
[ 1233.389379]  ? run_timer_softirq+0x644/0x16a0
[ 1233.393881]  ? trace_hardirqs_on+0x67/0x220
[ 1233.398221]  ? ipv6_get_lladdr+0x490/0x490
[ 1233.402467]  run_timer_softirq+0x64f/0x16a0
[ 1233.406792]  ? add_timer+0xbe0/0xbe0
[ 1233.410502]  ? __lock_is_held+0xb6/0x140
[ 1233.414568]  __do_softirq+0x25c/0x921
[ 1233.418369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1233.423901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1233.429449]  irq_exit+0x180/0x1d0
[ 1233.432915]  smp_apic_timer_interrupt+0x13b/0x550
[ 1233.437765]  apic_timer_interrupt+0xf/0x20
[ 1233.442023]  </IRQ>
[ 1233.444270] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1233.449197] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1233.468369] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1233.476099] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1233.483392] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1233.490806] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1233.498085] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1233.505365] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1233.512673]  ? find_held_lock+0x35/0x130
[ 1233.516752]  ? process_one_work+0x890/0x1750
[ 1233.521196]  skb_clone+0x156/0x3e0
[ 1233.524741]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1233.531084]  process_one_work+0x989/0x1750
[ 1233.535352]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1233.540047]  ? lock_acquire+0x16f/0x3f0
[ 1233.544048]  ? kasan_check_write+0x14/0x20
[ 1233.548294]  ? do_raw_spin_lock+0xd7/0x250
[ 1233.552531]  worker_thread+0x98/0xe40
[ 1233.556332]  ? trace_hardirqs_on+0x67/0x220
[ 1233.560911]  kthread+0x354/0x420
[ 1233.564289]  ? process_one_work+0x1750/0x1750
[ 1233.568797]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1233.574350]  ret_from_fork+0x24/0x30
[ 1233.578090] warn_alloc_show_mem: 1 callbacks suppressed
[ 1233.578101] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1233.578103] Mem-Info:
[ 1233.583471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1233.583481] Call Trace:
[ 1233.590966] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1233.590966]  active_file:13 inactive_file:13 isolated_file:0
[ 1233.590966]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1233.590966]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1233.590966]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1233.590966]  free:10948 free_pcp:188 free_cma:0
[ 1233.593356]  <IRQ>
[ 1233.602733] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1233.605317]  dump_stack+0x197/0x210
[ 1233.638290] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1233.640431]  warn_alloc.cold+0x7b/0x173
[ 1233.667991] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1233.671631]  ? zone_watermark_ok_safe+0x260/0x260
[ 1233.697468] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1233.701479]  ? __cpuset_node_allowed+0x136/0x540
[ 1233.727578] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1233.732444]  ? __isolate_free_page+0x4c0/0x4c0
[ 1233.737465] lowmem_reserve[]: 0 0 1 1 1
[ 1233.742356]  ? wake_all_kswapds+0x14d/0x300
[ 1233.771154] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1233.775772]  __alloc_pages_slowpath+0x2214/0x2870
[ 1233.779737] lowmem_reserve[]: 0 0 0 0 0
[ 1233.784078]  ? warn_alloc+0x110/0x110
[ 1233.809843] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1233.814705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1233.818662] lowmem_reserve[]: 0 0 0 0 0
[ 1233.822479]  ? should_fail+0x14d/0x85c
[ 1233.850224] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1233.855774]  ? __isolate_free_page+0x4c0/0x4c0
[ 1233.859725] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1233.863660]  __alloc_pages_nodemask+0x617/0x750
[ 1233.876116] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1233.880709]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1233.895948] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1233.900634]  cache_grow_begin+0x91/0x8c0
[ 1233.911272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1233.916311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1233.932602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1233.932616] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1233.936691]  ? __cpuset_node_allowed+0x136/0x540
[ 1233.945603] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1233.945613] 279 total pagecache pages
[ 1233.951446]  fallback_alloc+0x1fd/0x2d0
[ 1233.960130] 0 pages in swap cache
[ 1233.969009]  ____cache_alloc_node+0x1be/0x1e0
[ 1233.973843] Swap cache stats: add 0, delete 0, find 0/0
[ 1233.973853] Free swap  = 0kB
[ 1233.982445]  kmem_cache_alloc_node+0xe3/0x710
[ 1233.986221] Total swap = 0kB
[ 1233.991683]  __alloc_skb+0xd5/0x5f0
[ 1233.995105] 1965979 pages RAM
[ 1233.999643]  ? skb_trim+0x190/0x190
[ 1233.999664]  ? check_preemption_disabled+0x48/0x290
[ 1234.005017] 0 pages HighMem/MovableOnly
[ 1234.008037]  ? lock_acquire+0x16f/0x3f0
[ 1234.012515] 341741 pages reserved
[ 1234.015535]  new_skb+0x28/0x1d0
[ 1234.019152] 0 pages cma reserved
[ 1234.022261]  aoecmd_cfg+0x1b5/0x640
[ 1234.025930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1234.030912]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1234.034971] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1234.038855]  ? timer_reduce+0x11d0/0x11d0
[ 1234.042364] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1234.045667]  discover_timer+0x4e/0x60
[ 1234.086991]  call_timer_fn+0x18d/0x720
[ 1234.090899]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1234.095580]  ? process_timeout+0x40/0x40
[ 1234.099640]  ? run_timer_softirq+0x644/0x16a0
[ 1234.104153]  ? trace_hardirqs_on+0x67/0x220
[ 1234.108500]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1234.113168]  run_timer_softirq+0x64f/0x16a0
[ 1234.117523]  ? add_timer+0xbe0/0xbe0
[ 1234.121236]  ? __lock_is_held+0xb6/0x140
[ 1234.125324]  __do_softirq+0x25c/0x921
[ 1234.129136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1234.134679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1234.140244]  irq_exit+0x180/0x1d0
[ 1234.143704]  smp_apic_timer_interrupt+0x13b/0x550
[ 1234.148652]  apic_timer_interrupt+0xf/0x20
[ 1234.152881]  </IRQ>
[ 1234.155119] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1234.159971] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1234.178980] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1234.186698] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1234.194102] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1234.201372] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1234.208649] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1234.215931] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1234.223214]  ? netconsole_netdev_event+0x280/0x280
[ 1234.228167]  ? console_unlock+0xf36/0x10d0
[ 1234.232426]  vprintk_emit+0x280/0x6d0
[ 1234.236241]  vprintk_default+0x28/0x30
[ 1234.240124]  vprintk_func+0x7e/0x189
[ 1234.243849]  printk+0xba/0xed
[ 1234.246950]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1234.251723]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1234.256235]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1234.261273]  dump_header+0x44b/0xa55
[ 1234.265008]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1234.270125]  ? ___ratelimit+0x60/0x595
[ 1234.274012]  ? do_raw_spin_unlock+0x181/0x270
[ 1234.278522]  oom_kill_process.cold+0x10/0x6ef
[ 1234.283049]  ? lock_downgrade+0x880/0x880
[ 1234.287215]  ? kasan_check_read+0x11/0x20
[ 1234.291384]  out_of_memory+0x362/0x1330
[ 1234.295369]  ? oom_killer_disable+0x280/0x280
[ 1234.299865]  ? mutex_trylock+0x18e/0x1e0
[ 1234.303931]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1234.308876]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1234.313744]  ? warn_alloc+0x110/0x110
[ 1234.317551]  ? __lock_is_held+0xb6/0x140
[ 1234.321628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1234.327197]  ? should_fail+0x14d/0x85c
[ 1234.331106]  ? __might_sleep+0x95/0x190
[ 1234.335094]  __alloc_pages_nodemask+0x617/0x750
[ 1234.339777]  ? kasan_check_read+0x11/0x20
[ 1234.343953]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1234.348993]  ? find_get_entry+0x3e1/0xa00
[ 1234.353146]  ? find_get_pages_contig+0xed0/0xed0
[ 1234.357926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1234.363474]  alloc_pages_current+0x107/0x210
[ 1234.367890]  __page_cache_alloc+0x2bd/0x450
[ 1234.372208]  ? kasan_check_read+0x11/0x20
[ 1234.376374]  filemap_fault+0xfeb/0x1f00
[ 1234.380368]  ? lock_downgrade+0x880/0x880
[ 1234.390096]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1234.394881]  ? lock_acquire+0x16f/0x3f0
[ 1234.398854]  ? ext4_filemap_fault+0x7b/0xaf
[ 1234.403193]  ext4_filemap_fault+0x83/0xaf
[ 1234.407347]  __do_fault+0x111/0x480
[ 1234.410974]  __handle_mm_fault+0x2d78/0x3f80
[ 1234.415384]  ? copy_page_range+0x2030/0x2030
[ 1234.419964]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1234.424644]  handle_mm_fault+0x1b5/0x690
[ 1234.428718]  __do_page_fault+0x62a/0xe90
[ 1234.432781]  ? vmalloc_fault+0x740/0x740
[ 1234.436865]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1234.441972]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1234.446900]  ? page_fault+0x8/0x30
[ 1234.450461]  do_page_fault+0x71/0x57d
[ 1234.454276]  ? page_fault+0x8/0x30
[ 1234.457812]  page_fault+0x1e/0x30
[ 1234.461259] RIP: 0033:0x45b153
[ 1234.464466] Code: Bad RIP value.
[ 1234.467825] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1234.473193] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1234.480469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1234.487746] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1234.495025] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1234.502311] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1234.509599] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1234.509658] aoe: skb alloc failure
[ 1234.517318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1234.517344] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1234.521017] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1234.530364] Call Trace:
[ 1234.537465] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1234.547922]  <IRQ>
[ 1234.557787]  dump_stack+0x197/0x210
[ 1234.561433]  warn_alloc.cold+0x7b/0x173
[ 1234.565568]  ? zone_watermark_ok_safe+0x260/0x260
[ 1234.570421]  ? __cpuset_node_allowed+0x136/0x540
[ 1234.575181]  ? __isolate_free_page+0x4c0/0x4c0
[ 1234.579775]  ? wake_all_kswapds+0x14d/0x300
[ 1234.584118]  __alloc_pages_slowpath+0x2214/0x2870
[ 1234.588993]  ? warn_alloc+0x110/0x110
[ 1234.592882]  ? __lock_acquire+0x6ee/0x49c0
[ 1234.597125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1234.605806]  ? should_fail+0x14d/0x85c
[ 1234.609714]  ? __isolate_free_page+0x4c0/0x4c0
[ 1234.614308]  __alloc_pages_nodemask+0x617/0x750
[ 1234.619105]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1234.624122]  ? find_held_lock+0x35/0x130
[ 1234.628192]  cache_grow_begin+0x91/0x8c0
[ 1234.632264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1234.637823]  ? __cpuset_node_allowed+0x136/0x540
[ 1234.642592]  fallback_alloc+0x1fd/0x2d0
[ 1234.646567]  ____cache_alloc_node+0x1be/0x1e0
[ 1234.651086]  kmem_cache_alloc_node+0xe3/0x710
[ 1234.655610]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1234.659863]  __alloc_skb+0xd5/0x5f0
[ 1234.663492]  ? skb_trim+0x190/0x190
[ 1234.667121]  ? kasan_check_read+0x11/0x20
[ 1234.671291]  ndisc_alloc_skb+0x13c/0x340
[ 1234.675368]  ndisc_send_rs+0x35f/0x6e0
[ 1234.679270]  addrconf_rs_timer+0x30f/0x680
[ 1234.683531]  ? ipv6_get_lladdr+0x490/0x490
[ 1234.687914]  call_timer_fn+0x18d/0x720
[ 1234.691809]  ? ipv6_get_lladdr+0x490/0x490
[ 1234.696039]  ? process_timeout+0x40/0x40
[ 1234.700095]  ? run_timer_softirq+0x644/0x16a0
[ 1234.704613]  ? trace_hardirqs_on+0x67/0x220
[ 1234.708936]  ? ipv6_get_lladdr+0x490/0x490
[ 1234.713191]  run_timer_softirq+0x64f/0x16a0
[ 1234.717553]  ? add_timer+0xbe0/0xbe0
[ 1234.721282]  ? __lock_is_held+0xb6/0x140
[ 1234.725452]  __do_softirq+0x25c/0x921
[ 1234.729249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1234.734798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1234.740359]  irq_exit+0x180/0x1d0
[ 1234.743818]  smp_apic_timer_interrupt+0x13b/0x550
[ 1234.748660]  apic_timer_interrupt+0xf/0x20
[ 1234.752886]  </IRQ>
[ 1234.755130] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1234.760093] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1234.779008] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1234.786730] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1234.794008] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1234.801293] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1234.808569] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1234.816008] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1234.823307]  ? find_held_lock+0x35/0x130
[ 1234.827365]  ? process_one_work+0x890/0x1750
[ 1234.831783]  skb_clone+0x156/0x3e0
[ 1234.835324]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1234.841647]  process_one_work+0x989/0x1750
[ 1234.845912]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1234.850577]  ? lock_acquire+0x16f/0x3f0
[ 1234.854553]  ? kasan_check_write+0x14/0x20
[ 1234.858800]  ? do_raw_spin_lock+0xd7/0x250
[ 1234.863037]  worker_thread+0x98/0xe40
[ 1234.866843]  ? trace_hardirqs_on+0x67/0x220
[ 1234.871188]  kthread+0x354/0x420
[ 1234.874550]  ? process_one_work+0x1750/0x1750
[ 1234.879054]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1234.884605]  ret_from_fork+0x24/0x30
[ 1234.888325] warn_alloc_show_mem: 1 callbacks suppressed
[ 1234.888335] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1234.888337] Mem-Info:
[ 1234.888366] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1234.888366]  active_file:13 inactive_file:13 isolated_file:0
[ 1234.888366]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1234.888366]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1234.888366]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1234.888366]  free:10948 free_pcp:188 free_cma:0
[ 1234.893711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1234.901714] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1234.904124] Call Trace:
[ 1234.937237] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1234.946584]  <IRQ>
[ 1234.974690] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1234.977404]  dump_stack+0x197/0x210
[ 1235.003249] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1235.005405]  warn_alloc.cold+0x7b/0x173
[ 1235.031508] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1235.035147]  ? zone_watermark_ok_safe+0x260/0x260
[ 1235.040122] lowmem_reserve[]: 0 0 1 1 1
[ 1235.044235]  ? __cpuset_node_allowed+0x136/0x540
[ 1235.073024] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1235.077897]  ? __isolate_free_page+0x4c0/0x4c0
[ 1235.081822] lowmem_reserve[]: 0 0 0 0 0
[ 1235.086603]  ? wake_all_kswapds+0x14d/0x300
[ 1235.112365] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1235.116987]  __alloc_pages_slowpath+0x2214/0x2870
[ 1235.120932] lowmem_reserve[]: 0 0 0 0 0
[ 1235.125285]  ? warn_alloc+0x110/0x110
[ 1235.153129] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1235.158005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1235.161966] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1235.165816]  ? should_fail+0x14d/0x85c
[ 1235.165837]  ? __isolate_free_page+0x4c0/0x4c0
[ 1235.178318] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1235.183876]  __alloc_pages_nodemask+0x617/0x750
[ 1235.199118] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1235.203029]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1235.207578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1235.218257]  cache_grow_begin+0x91/0x8c0
[ 1235.222905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1235.222919] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1235.238834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1235.243851] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1235.252802]  ? __cpuset_node_allowed+0x136/0x540
[ 1235.256847] 279 total pagecache pages
[ 1235.265447]  fallback_alloc+0x1fd/0x2d0
[ 1235.274281] 0 pages in swap cache
[ 1235.279828]  ____cache_alloc_node+0x1be/0x1e0
[ 1235.288388] Swap cache stats: add 0, delete 0, find 0/0
[ 1235.293155]  kmem_cache_alloc_node+0xe3/0x710
[ 1235.296933] Free swap  = 0kB
[ 1235.296943] Total swap = 0kB
[ 1235.300935]  __alloc_skb+0xd5/0x5f0
[ 1235.304352] 1965979 pages RAM
[ 1235.308853]  ? skb_trim+0x190/0x190
[ 1235.314193] 0 pages HighMem/MovableOnly
[ 1235.314202] 341741 pages reserved
[ 1235.318718]  ? check_preemption_disabled+0x48/0x290
[ 1235.321704] 0 pages cma reserved
[ 1235.324732]  ? lock_acquire+0x16f/0x3f0
[ 1235.328385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1235.331438]  new_skb+0x28/0x1d0
[ 1235.331455]  aoecmd_cfg+0x1b5/0x640
[ 1235.335123] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1235.339051]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1235.342999] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1235.348021]  ? timer_reduce+0x11d0/0x11d0
[ 1235.392434]  discover_timer+0x4e/0x60
[ 1235.396235]  call_timer_fn+0x18d/0x720
[ 1235.400142]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1235.404823]  ? process_timeout+0x40/0x40
[ 1235.408877]  ? run_timer_softirq+0x644/0x16a0
[ 1235.413599]  ? trace_hardirqs_on+0x67/0x220
[ 1235.417933]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1235.422603]  run_timer_softirq+0x64f/0x16a0
[ 1235.426926]  ? add_timer+0xbe0/0xbe0
[ 1235.430639]  ? __lock_is_held+0xb6/0x140
[ 1235.434727]  __do_softirq+0x25c/0x921
[ 1235.438528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1235.444157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1235.449706]  irq_exit+0x180/0x1d0
[ 1235.453174]  smp_apic_timer_interrupt+0x13b/0x550
[ 1235.458019]  apic_timer_interrupt+0xf/0x20
[ 1235.462250]  </IRQ>
[ 1235.464494] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1235.469338] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1235.488246] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1235.495963] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1235.503238] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1235.510504] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1235.518573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1235.525853] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1235.533138]  ? netconsole_netdev_event+0x280/0x280
[ 1235.538604]  ? console_unlock+0xf36/0x10d0
[ 1235.542852]  vprintk_emit+0x280/0x6d0
[ 1235.546731]  vprintk_default+0x28/0x30
[ 1235.550631]  vprintk_func+0x7e/0x189
[ 1235.554344]  printk+0xba/0xed
[ 1235.557456]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1235.562239]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1235.566740]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1235.571870]  dump_header+0x44b/0xa55
[ 1235.575583]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1235.580684]  ? ___ratelimit+0x60/0x595
[ 1235.584562]  ? do_raw_spin_unlock+0x181/0x270
[ 1235.589070]  oom_kill_process.cold+0x10/0x6ef
[ 1235.593572]  ? lock_downgrade+0x880/0x880
[ 1235.597734]  ? kasan_check_read+0x11/0x20
[ 1235.601900]  out_of_memory+0x362/0x1330
[ 1235.605910]  ? oom_killer_disable+0x280/0x280
[ 1235.610509]  ? mutex_trylock+0x18e/0x1e0
[ 1235.614577]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1235.619526]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1235.624388]  ? warn_alloc+0x110/0x110
[ 1235.628189]  ? __lock_is_held+0xb6/0x140
[ 1235.632365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1235.637917]  ? should_fail+0x14d/0x85c
[ 1235.641809]  ? __might_sleep+0x95/0x190
[ 1235.645788]  __alloc_pages_nodemask+0x617/0x750
[ 1235.650467]  ? kasan_check_read+0x11/0x20
[ 1235.654612]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1235.659750]  ? find_get_entry+0x3e1/0xa00
[ 1235.663922]  ? find_get_pages_contig+0xed0/0xed0
[ 1235.668682]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1235.674223]  alloc_pages_current+0x107/0x210
[ 1235.678653]  __page_cache_alloc+0x2bd/0x450
[ 1235.682970]  ? kasan_check_read+0x11/0x20
[ 1235.687134]  filemap_fault+0xfeb/0x1f00
[ 1235.691112]  ? lock_downgrade+0x880/0x880
[ 1235.695267]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1235.699942]  ? lock_acquire+0x16f/0x3f0
[ 1235.703921]  ? ext4_filemap_fault+0x7b/0xaf
[ 1235.708332]  ext4_filemap_fault+0x83/0xaf
[ 1235.712513]  __do_fault+0x111/0x480
[ 1235.716140]  __handle_mm_fault+0x2d78/0x3f80
[ 1235.720546]  ? copy_page_range+0x2030/0x2030
[ 1235.724969]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1235.729655]  handle_mm_fault+0x1b5/0x690
[ 1235.733862]  __do_page_fault+0x62a/0xe90
[ 1235.737959]  ? vmalloc_fault+0x740/0x740
[ 1235.742022]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1235.747061]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1235.752001]  ? page_fault+0x8/0x30
[ 1235.755543]  do_page_fault+0x71/0x57d
[ 1235.759351]  ? page_fault+0x8/0x30
[ 1235.762899]  page_fault+0x1e/0x30
[ 1235.766359] RIP: 0033:0x45b153
[ 1235.769568] Code: Bad RIP value.
[ 1235.772934] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1235.778302] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1235.785572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1235.792842] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1235.800120] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1235.807407] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1235.814703] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1235.814761] aoe: skb alloc failure
[ 1235.822435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1235.822461] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1235.822472] Call Trace:
[ 1235.826025] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1235.835358]  <IRQ>
[ 1235.843077] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1235.846448]  dump_stack+0x197/0x210
[ 1235.867390]  warn_alloc.cold+0x7b/0x173
[ 1235.871363]  ? zone_watermark_ok_safe+0x260/0x260
[ 1235.876223]  ? __cpuset_node_allowed+0x136/0x540
[ 1235.880985]  ? __isolate_free_page+0x4c0/0x4c0
[ 1235.885580]  ? wake_all_kswapds+0x14d/0x300
[ 1235.889928]  __alloc_pages_slowpath+0x2214/0x2870
[ 1235.894786]  ? warn_alloc+0x110/0x110
[ 1235.898602]  ? __lock_acquire+0x6ee/0x49c0
[ 1235.902860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1235.908408]  ? should_fail+0x14d/0x85c
[ 1235.912309]  ? __isolate_free_page+0x4c0/0x4c0
[ 1235.916927]  __alloc_pages_nodemask+0x617/0x750
[ 1235.921597]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1235.926617]  ? find_held_lock+0x35/0x130
[ 1235.930679]  cache_grow_begin+0x91/0x8c0
[ 1235.934766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1235.940302]  ? __cpuset_node_allowed+0x136/0x540
[ 1235.945068]  fallback_alloc+0x1fd/0x2d0
[ 1235.949233]  ____cache_alloc_node+0x1be/0x1e0
[ 1235.953800]  kmem_cache_alloc_node+0xe3/0x710
[ 1235.958321]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1235.962568]  __alloc_skb+0xd5/0x5f0
[ 1235.966209]  ? skb_trim+0x190/0x190
[ 1235.969834]  ? kasan_check_read+0x11/0x20
[ 1235.973986]  ndisc_alloc_skb+0x13c/0x340
[ 1235.978064]  ndisc_send_rs+0x35f/0x6e0
[ 1235.981951]  addrconf_rs_timer+0x30f/0x680
[ 1235.986293]  ? ipv6_get_lladdr+0x490/0x490
[ 1235.990537]  call_timer_fn+0x18d/0x720
[ 1235.994426]  ? ipv6_get_lladdr+0x490/0x490
[ 1235.998679]  ? process_timeout+0x40/0x40
[ 1236.002771]  ? run_timer_softirq+0x644/0x16a0
[ 1236.007290]  ? trace_hardirqs_on+0x67/0x220
[ 1236.011677]  ? ipv6_get_lladdr+0x490/0x490
[ 1236.015923]  run_timer_softirq+0x64f/0x16a0
[ 1236.020272]  ? add_timer+0xbe0/0xbe0
[ 1236.023985]  ? __lock_is_held+0xb6/0x140
[ 1236.028064]  __do_softirq+0x25c/0x921
[ 1236.031876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1236.037433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1236.042994]  irq_exit+0x180/0x1d0
[ 1236.046446]  smp_apic_timer_interrupt+0x13b/0x550
[ 1236.051309]  apic_timer_interrupt+0xf/0x20
[ 1236.055533]  </IRQ>
[ 1236.057769] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1236.062713] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1236.081626] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1236.089426] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1236.096693] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1236.103968] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1236.111237] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1236.118623] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1236.125926]  ? find_held_lock+0x35/0x130
[ 1236.129995]  ? process_one_work+0x890/0x1750
[ 1236.134438]  skb_clone+0x156/0x3e0
[ 1236.137985]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1236.144329]  process_one_work+0x989/0x1750
[ 1236.148572]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1236.153235]  ? lock_acquire+0x16f/0x3f0
[ 1236.157224]  ? kasan_check_write+0x14/0x20
[ 1236.161452]  ? do_raw_spin_lock+0xd7/0x250
[ 1236.165784]  worker_thread+0x98/0xe40
[ 1236.169607]  ? trace_hardirqs_on+0x67/0x220
[ 1236.173939]  kthread+0x354/0x420
[ 1236.177302]  ? process_one_work+0x1750/0x1750
[ 1236.181804]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1236.187351]  ret_from_fork+0x24/0x30
[ 1236.191096] warn_alloc_show_mem: 1 callbacks suppressed
[ 1236.191106] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1236.191108] Mem-Info:
[ 1236.191146] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1236.191146]  active_file:13 inactive_file:13 isolated_file:0
[ 1236.191146]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1236.191146]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1236.191146]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1236.191146]  free:10948 free_pcp:188 free_cma:0
[ 1236.196520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1236.196529] Call Trace:
[ 1236.203994] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1236.206387]  <IRQ>
[ 1236.239386] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1236.248748]  dump_stack+0x197/0x210
[ 1236.251334] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1236.279132]  warn_alloc.cold+0x7b/0x173
[ 1236.281261] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1236.307134]  ? zone_watermark_ok_safe+0x260/0x260
[ 1236.310755] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1236.336891]  ? __cpuset_node_allowed+0x136/0x540
[ 1236.340859] lowmem_reserve[]: 0 0 1 1 1
[ 1236.345898]  ? __isolate_free_page+0x4c0/0x4c0
[ 1236.350720] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1236.379915]  ? wake_all_kswapds+0x14d/0x300
[ 1236.384926] lowmem_reserve[]: 0 0 0 0 0
[ 1236.389018]  __alloc_pages_slowpath+0x2214/0x2870
[ 1236.393594] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1236.419609]  ? warn_alloc+0x110/0x110
[ 1236.423900] lowmem_reserve[]: 0 0 0 0 0
[ 1236.427869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1236.432686] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1236.461187]  ? should_fail+0x14d/0x85c
[ 1236.464975] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1236.469081]  ? __isolate_free_page+0x4c0/0x4c0
[ 1236.474617] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1236.487137]  __alloc_pages_nodemask+0x617/0x750
[ 1236.491006] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1236.506400]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1236.510963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1236.521751]  cache_grow_begin+0x91/0x8c0
[ 1236.526398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1236.542199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1236.547221] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1236.556076]  ? __cpuset_node_allowed+0x136/0x540
[ 1236.560118] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1236.560128] 279 total pagecache pages
[ 1236.568841]  fallback_alloc+0x1fd/0x2d0
[ 1236.575168] 0 pages in swap cache
[ 1236.584017]  ____cache_alloc_node+0x1be/0x1e0
[ 1236.588841] Swap cache stats: add 0, delete 0, find 0/0
[ 1236.597432]  kmem_cache_alloc_node+0xe3/0x710
[ 1236.601205] Free swap  = 0kB
[ 1236.605214]  __alloc_skb+0xd5/0x5f0
[ 1236.608646] Total swap = 0kB
[ 1236.613159]  ? skb_trim+0x190/0x190
[ 1236.618607] 1965979 pages RAM
[ 1236.623109]  ? check_preemption_disabled+0x48/0x290
[ 1236.626159] 0 pages HighMem/MovableOnly
[ 1236.626163] 341741 pages reserved
[ 1236.626166] 0 pages cma reserved
[ 1236.626230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1236.629841]  ? lock_acquire+0x16f/0x3f0
[ 1236.632964] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1236.636489]  new_skb+0x28/0x1d0
[ 1236.639575] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1236.644596]  aoecmd_cfg+0x1b5/0x640
[ 1236.688154]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1236.692491]  ? timer_reduce+0x11d0/0x11d0
[ 1236.696649]  discover_timer+0x4e/0x60
[ 1236.700443]  call_timer_fn+0x18d/0x720
[ 1236.704323]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1236.709029]  ? process_timeout+0x40/0x40
[ 1236.713090]  ? run_timer_softirq+0x644/0x16a0
[ 1236.717608]  ? trace_hardirqs_on+0x67/0x220
[ 1236.721949]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1236.726627]  run_timer_softirq+0x64f/0x16a0
[ 1236.730963]  ? add_timer+0xbe0/0xbe0
[ 1236.734700]  ? __lock_is_held+0xb6/0x140
[ 1236.738773]  __do_softirq+0x25c/0x921
[ 1236.742571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1236.748637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1236.754191]  irq_exit+0x180/0x1d0
[ 1236.757789]  smp_apic_timer_interrupt+0x13b/0x550
[ 1236.762659]  apic_timer_interrupt+0xf/0x20
[ 1236.766881]  </IRQ>
[ 1236.769116] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1236.773969] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1236.792893] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1236.800609] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1236.807894] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1236.815160] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1236.822446] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1236.829738] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1236.837025]  ? netconsole_netdev_event+0x280/0x280
[ 1236.841971]  ? console_unlock+0xf36/0x10d0
[ 1236.846239]  vprintk_emit+0x280/0x6d0
[ 1236.850044]  vprintk_default+0x28/0x30
[ 1236.854050]  vprintk_func+0x7e/0x189
[ 1236.857781]  printk+0xba/0xed
[ 1236.860882]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1236.865651]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1236.870168]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1236.875297]  dump_header+0x44b/0xa55
[ 1236.879041]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1236.884157]  ? ___ratelimit+0x60/0x595
[ 1236.888051]  ? do_raw_spin_unlock+0x181/0x270
[ 1236.892544]  oom_kill_process.cold+0x10/0x6ef
[ 1236.897042]  ? lock_downgrade+0x880/0x880
[ 1236.901207]  ? kasan_check_read+0x11/0x20
[ 1236.905441]  out_of_memory+0x362/0x1330
[ 1236.909429]  ? oom_killer_disable+0x280/0x280
[ 1236.913934]  ? mutex_trylock+0x18e/0x1e0
[ 1236.918022]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1236.922957]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1236.927827]  ? warn_alloc+0x110/0x110
[ 1236.931633]  ? __lock_is_held+0xb6/0x140
[ 1236.935703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1236.941258]  ? should_fail+0x14d/0x85c
[ 1236.945148]  ? __might_sleep+0x95/0x190
[ 1236.949162]  __alloc_pages_nodemask+0x617/0x750
[ 1236.953845]  ? kasan_check_read+0x11/0x20
[ 1236.957991]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1236.963000]  ? find_get_entry+0x3e1/0xa00
[ 1236.967166]  ? find_get_pages_contig+0xed0/0xed0
[ 1236.971916]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1236.977451]  alloc_pages_current+0x107/0x210
[ 1236.981979]  __page_cache_alloc+0x2bd/0x450
[ 1236.986297]  ? kasan_check_read+0x11/0x20
[ 1236.990451]  filemap_fault+0xfeb/0x1f00
[ 1236.994424]  ? lock_downgrade+0x880/0x880
[ 1236.998586]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1237.003264]  ? lock_acquire+0x16f/0x3f0
[ 1237.007251]  ? ext4_filemap_fault+0x7b/0xaf
[ 1237.011597]  ext4_filemap_fault+0x83/0xaf
[ 1237.015747]  __do_fault+0x111/0x480
[ 1237.019373]  __handle_mm_fault+0x2d78/0x3f80
[ 1237.023910]  ? copy_page_range+0x2030/0x2030
[ 1237.028344]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1237.033016]  handle_mm_fault+0x1b5/0x690
[ 1237.037152]  __do_page_fault+0x62a/0xe90
[ 1237.041247]  ? vmalloc_fault+0x740/0x740
[ 1237.045307]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1237.050437]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1237.055384]  ? page_fault+0x8/0x30
[ 1237.058925]  do_page_fault+0x71/0x57d
[ 1237.062742]  ? page_fault+0x8/0x30
[ 1237.066282]  page_fault+0x1e/0x30
[ 1237.069726] RIP: 0033:0x45b153
[ 1237.072924] Code: Bad RIP value.
[ 1237.076278] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1237.081644] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1237.088919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1237.096202] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1237.103480] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1237.110752] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1237.118256] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1237.118314] aoe: skb alloc failure
[ 1237.125969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1237.125996] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1237.129573] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1237.138897] Call Trace:
[ 1237.146000] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1237.156342]  <IRQ>
[ 1237.165817]  dump_stack+0x197/0x210
[ 1237.169465]  warn_alloc.cold+0x7b/0x173
[ 1237.173481]  ? zone_watermark_ok_safe+0x260/0x260
[ 1237.178347]  ? __cpuset_node_allowed+0x136/0x540
[ 1237.183127]  ? __isolate_free_page+0x4c0/0x4c0
[ 1237.187706]  ? wake_all_kswapds+0x14d/0x300
[ 1237.192034]  __alloc_pages_slowpath+0x2214/0x2870
[ 1237.196963]  ? warn_alloc+0x110/0x110
[ 1237.200910]  ? __lock_acquire+0x6ee/0x49c0
[ 1237.205407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1237.210944]  ? should_fail+0x14d/0x85c
[ 1237.214950]  ? __isolate_free_page+0x4c0/0x4c0
[ 1237.219546]  __alloc_pages_nodemask+0x617/0x750
[ 1237.224233]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1237.229288]  ? find_held_lock+0x35/0x130
[ 1237.233372]  cache_grow_begin+0x91/0x8c0
[ 1237.237439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1237.242995]  ? __cpuset_node_allowed+0x136/0x540
[ 1237.247751]  fallback_alloc+0x1fd/0x2d0
[ 1237.251756]  ____cache_alloc_node+0x1be/0x1e0
[ 1237.256252]  kmem_cache_alloc_node+0xe3/0x710
[ 1237.260762]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1237.265003]  __alloc_skb+0xd5/0x5f0
[ 1237.268630]  ? skb_trim+0x190/0x190
[ 1237.272266]  ? kasan_check_read+0x11/0x20
[ 1237.276421]  ndisc_alloc_skb+0x13c/0x340
[ 1237.280497]  ndisc_send_rs+0x35f/0x6e0
[ 1237.284385]  addrconf_rs_timer+0x30f/0x680
[ 1237.288615]  ? ipv6_get_lladdr+0x490/0x490
[ 1237.292861]  call_timer_fn+0x18d/0x720
[ 1237.296770]  ? ipv6_get_lladdr+0x490/0x490
[ 1237.301016]  ? process_timeout+0x40/0x40
[ 1237.305075]  ? run_timer_softirq+0x644/0x16a0
[ 1237.309571]  ? trace_hardirqs_on+0x67/0x220
[ 1237.313892]  ? ipv6_get_lladdr+0x490/0x490
[ 1237.318240]  run_timer_softirq+0x64f/0x16a0
[ 1237.322598]  ? add_timer+0xbe0/0xbe0
[ 1237.326322]  ? __lock_is_held+0xb6/0x140
[ 1237.330409]  __do_softirq+0x25c/0x921
[ 1237.334816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1237.340362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1237.345910]  irq_exit+0x180/0x1d0
[ 1237.349372]  smp_apic_timer_interrupt+0x13b/0x550
[ 1237.354233]  apic_timer_interrupt+0xf/0x20
[ 1237.358462]  </IRQ>
[ 1237.360693] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1237.365630] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1237.384540] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1237.392270] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1237.399636] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1237.406915] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1237.414179] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1237.421454] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1237.428761]  ? find_held_lock+0x35/0x130
[ 1237.432837]  ? process_one_work+0x890/0x1750
[ 1237.437325]  skb_clone+0x156/0x3e0
[ 1237.440875]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1237.447220]  process_one_work+0x989/0x1750
[ 1237.451477]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1237.456159]  ? lock_acquire+0x16f/0x3f0
[ 1237.460156]  ? kasan_check_write+0x14/0x20
[ 1237.464395]  ? do_raw_spin_lock+0xd7/0x250
[ 1237.468640]  worker_thread+0x98/0xe40
[ 1237.472448]  ? trace_hardirqs_on+0x67/0x220
[ 1237.476775]  kthread+0x354/0x420
[ 1237.480155]  ? process_one_work+0x1750/0x1750
[ 1237.484756]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1237.490299]  ret_from_fork+0x24/0x30
[ 1237.494013] warn_alloc_show_mem: 1 callbacks suppressed
[ 1237.494024] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1237.494026] Mem-Info:
[ 1237.494055] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1237.494055]  active_file:13 inactive_file:13 isolated_file:0
[ 1237.494055]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1237.494055]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1237.494055]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1237.494055]  free:10948 free_pcp:188 free_cma:0
[ 1237.499400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1237.506860] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1237.509284] Call Trace:
[ 1237.542269] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1237.551613]  <IRQ>
[ 1237.579341] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1237.581962]  dump_stack+0x197/0x210
[ 1237.607800] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1237.609985]  warn_alloc.cold+0x7b/0x173
[ 1237.636173] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1237.639930]  ? zone_watermark_ok_safe+0x260/0x260
[ 1237.644919] lowmem_reserve[]: 0 0 1 1 1
[ 1237.648905]  ? __cpuset_node_allowed+0x136/0x540
[ 1237.677801] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1237.682665]  ? __isolate_free_page+0x4c0/0x4c0
[ 1237.686612] lowmem_reserve[]: 0 0 0 0 0
[ 1237.691368]  ? wake_all_kswapds+0x14d/0x300
[ 1237.717131] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1237.721863]  __alloc_pages_slowpath+0x2214/0x2870
[ 1237.725806] lowmem_reserve[]: 0 0 0 0 0
[ 1237.730156]  ? warn_alloc+0x110/0x110
[ 1237.758101] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1237.763313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1237.767775] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1237.771660]  ? should_fail+0x14d/0x85c
[ 1237.784228] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1237.789803]  ? __isolate_free_page+0x4c0/0x4c0
[ 1237.805052] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1237.808965]  __alloc_pages_nodemask+0x617/0x750
[ 1237.819606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1237.824199]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1237.840063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1237.844744]  cache_grow_begin+0x91/0x8c0
[ 1237.853759] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1237.858784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1237.867359] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1237.871455]  ? __cpuset_node_allowed+0x136/0x540
[ 1237.880405] 279 total pagecache pages
[ 1237.885957]  fallback_alloc+0x1fd/0x2d0
[ 1237.894526] 0 pages in swap cache
[ 1237.899300]  ____cache_alloc_node+0x1be/0x1e0
[ 1237.903128] Swap cache stats: add 0, delete 0, find 0/0
[ 1237.907122]  kmem_cache_alloc_node+0xe3/0x710
[ 1237.910557] Free swap  = 0kB
[ 1237.915168]  __alloc_skb+0xd5/0x5f0
[ 1237.920506] Total swap = 0kB
[ 1237.925010]  ? skb_trim+0x190/0x190
[ 1237.928033] 1965979 pages RAM
[ 1237.931685]  ? check_preemption_disabled+0x48/0x290
[ 1237.934682] 0 pages HighMem/MovableOnly
[ 1237.938319]  ? lock_acquire+0x16f/0x3f0
[ 1237.941523] 341741 pages reserved
[ 1237.946573]  new_skb+0x28/0x1d0
[ 1237.950699] 0 pages cma reserved
[ 1237.954790]  aoecmd_cfg+0x1b5/0x640
[ 1237.958295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1237.961903]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1237.961928]  ? timer_reduce+0x11d0/0x11d0
[ 1237.965557] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1237.968932]  discover_timer+0x4e/0x60
[ 1237.975402] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1237.979956]  call_timer_fn+0x18d/0x720
[ 1238.006156]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1238.010823]  ? process_timeout+0x40/0x40
[ 1238.014978]  ? run_timer_softirq+0x644/0x16a0
[ 1238.019566]  ? trace_hardirqs_on+0x67/0x220
[ 1238.023892]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1238.028558]  run_timer_softirq+0x64f/0x16a0
[ 1238.032895]  ? add_timer+0xbe0/0xbe0
[ 1238.036611]  ? __lock_is_held+0xb6/0x140
[ 1238.041067]  __do_softirq+0x25c/0x921
[ 1238.044884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1238.050533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1238.056268]  irq_exit+0x180/0x1d0
[ 1238.060347]  smp_apic_timer_interrupt+0x13b/0x550
[ 1238.065386]  apic_timer_interrupt+0xf/0x20
[ 1238.069716]  </IRQ>
[ 1238.071958] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1238.077251] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1238.097317] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1238.108772] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1238.116236] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1238.123523] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1238.131183] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1238.138581] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1238.145944]  ? netconsole_netdev_event+0x280/0x280
[ 1238.150901]  ? console_unlock+0xf36/0x10d0
[ 1238.155385]  vprintk_emit+0x280/0x6d0
[ 1238.159380]  vprintk_default+0x28/0x30
[ 1238.163571]  vprintk_func+0x7e/0x189
[ 1238.167392]  printk+0xba/0xed
[ 1238.170781]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1238.175560]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1238.180066]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1238.185204]  dump_header+0x44b/0xa55
[ 1238.188941]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1238.194068]  ? ___ratelimit+0x60/0x595
[ 1238.197950]  ? do_raw_spin_unlock+0x181/0x270
[ 1238.202461]  oom_kill_process.cold+0x10/0x6ef
[ 1238.206964]  ? lock_downgrade+0x880/0x880
[ 1238.211155]  ? kasan_check_read+0x11/0x20
[ 1238.215342]  out_of_memory+0x362/0x1330
[ 1238.219448]  ? oom_killer_disable+0x280/0x280
[ 1238.223946]  ? mutex_trylock+0x18e/0x1e0
[ 1238.228016]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1238.232979]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1238.237868]  ? warn_alloc+0x110/0x110
[ 1238.241670]  ? __lock_is_held+0xb6/0x140
[ 1238.246545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1238.252363]  ? should_fail+0x14d/0x85c
[ 1238.256669]  ? __might_sleep+0x95/0x190
[ 1238.260662]  __alloc_pages_nodemask+0x617/0x750
[ 1238.265360]  ? kasan_check_read+0x11/0x20
[ 1238.269792]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1238.274824]  ? find_get_entry+0x3e1/0xa00
[ 1238.279001]  ? find_get_pages_contig+0xed0/0xed0
[ 1238.283774]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1238.289314]  alloc_pages_current+0x107/0x210
[ 1238.293739]  __page_cache_alloc+0x2bd/0x450
[ 1238.298060]  ? kasan_check_read+0x11/0x20
[ 1238.302224]  filemap_fault+0xfeb/0x1f00
[ 1238.306218]  ? lock_downgrade+0x880/0x880
[ 1238.310373]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1238.315388]  ? lock_acquire+0x16f/0x3f0
[ 1238.319379]  ? ext4_filemap_fault+0x7b/0xaf
[ 1238.323723]  ext4_filemap_fault+0x83/0xaf
[ 1238.327887]  __do_fault+0x111/0x480
[ 1238.331515]  __handle_mm_fault+0x2d78/0x3f80
[ 1238.335945]  ? copy_page_range+0x2030/0x2030
[ 1238.340370]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1238.345126]  handle_mm_fault+0x1b5/0x690
[ 1238.349302]  __do_page_fault+0x62a/0xe90
[ 1238.353369]  ? vmalloc_fault+0x740/0x740
[ 1238.357458]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1238.362474]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1238.367522]  ? page_fault+0x8/0x30
[ 1238.371064]  do_page_fault+0x71/0x57d
[ 1238.374864]  ? page_fault+0x8/0x30
[ 1238.378417]  page_fault+0x1e/0x30
[ 1238.382074] RIP: 0033:0x45b153
[ 1238.385283] Code: Bad RIP value.
[ 1238.388645] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1238.394016] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1238.401296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1238.408589] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1238.415862] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1238.428192] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1238.435757] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1238.435814] aoe: skb alloc failure
[ 1238.443482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1238.443511] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1238.447094] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1238.456457] Call Trace:
[ 1238.463557] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1238.473910]  <IRQ>
[ 1238.483379]  dump_stack+0x197/0x210
[ 1238.487021]  warn_alloc.cold+0x7b/0x173
[ 1238.491025]  ? zone_watermark_ok_safe+0x260/0x260
[ 1238.495872]  ? __cpuset_node_allowed+0x136/0x540
[ 1238.500667]  ? __isolate_free_page+0x4c0/0x4c0
[ 1238.505266]  ? wake_all_kswapds+0x14d/0x300
[ 1238.509596]  __alloc_pages_slowpath+0x2214/0x2870
[ 1238.514470]  ? warn_alloc+0x110/0x110
[ 1238.518375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1238.524105]  ? should_fail+0x14d/0x85c
[ 1238.528229]  ? __isolate_free_page+0x4c0/0x4c0
[ 1238.532859]  __alloc_pages_nodemask+0x617/0x750
[ 1238.537558]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1238.542606]  ? mark_held_locks+0x100/0x100
[ 1238.546849]  page_frag_alloc+0x541/0x670
[ 1238.551190]  ? check_preemption_disabled+0x48/0x290
[ 1238.556254]  __netdev_alloc_skb+0x20a/0x470
[ 1238.560696]  send_hsr_supervision_frame+0x110/0xfc0
[ 1238.565852]  ? lock_acquire+0x16f/0x3f0
[ 1238.569935]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1238.574994]  hsr_announce+0x12f/0x3b0
[ 1238.578809]  call_timer_fn+0x18d/0x720
[ 1238.582717]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1238.587944]  ? process_timeout+0x40/0x40
[ 1238.592146]  ? run_timer_softirq+0x644/0x16a0
[ 1238.596680]  ? trace_hardirqs_on+0x67/0x220
[ 1238.601109]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1238.606489]  run_timer_softirq+0x64f/0x16a0
[ 1238.610829]  ? add_timer+0xbe0/0xbe0
[ 1238.614561]  ? __lock_is_held+0xb6/0x140
[ 1238.618648]  __do_softirq+0x25c/0x921
[ 1238.622470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1238.628112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1238.633851]  irq_exit+0x180/0x1d0
[ 1238.637394]  smp_apic_timer_interrupt+0x13b/0x550
[ 1238.642265]  apic_timer_interrupt+0xf/0x20
[ 1238.646495]  </IRQ>
[ 1238.648733] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1238.653748] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1238.672851] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1238.680592] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1238.687892] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1238.695176] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1238.702456] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1238.709737] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1238.717325]  ? find_held_lock+0x35/0x130
[ 1238.721418]  ? process_one_work+0x890/0x1750
[ 1238.726056]  skb_clone+0x156/0x3e0
[ 1238.729712]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1238.736088]  process_one_work+0x989/0x1750
[ 1238.740357]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1238.745319]  ? lock_acquire+0x16f/0x3f0
[ 1238.749324]  ? kasan_check_write+0x14/0x20
[ 1238.753576]  ? do_raw_spin_lock+0xd7/0x250
[ 1238.758205]  worker_thread+0x98/0xe40
[ 1238.762008]  ? trace_hardirqs_on+0x67/0x220
[ 1238.766706]  kthread+0x354/0x420
[ 1238.770094]  ? process_one_work+0x1750/0x1750
[ 1238.774589]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1238.780266]  ret_from_fork+0x24/0x30
[ 1238.784015] warn_alloc_show_mem: 1 callbacks suppressed
[ 1238.784025] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1238.784026] Mem-Info:
[ 1238.784055] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1238.784055]  active_file:13 inactive_file:13 isolated_file:0
[ 1238.784055]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1238.784055]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1238.784055]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1238.784055]  free:10948 free_pcp:188 free_cma:0
[ 1238.790013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1238.790023] Call Trace:
[ 1238.797500] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1238.799909]  <IRQ>
[ 1238.832974] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1238.832984] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1238.842383]  dump_stack+0x197/0x210
[ 1238.845050] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1238.873098]  warn_alloc.cold+0x7b/0x173
[ 1238.875224] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1238.902545]  ? zone_watermark_ok_safe+0x260/0x260
[ 1238.929681] lowmem_reserve[]: 0 0 1 1 1
[ 1238.934563]  ? __cpuset_node_allowed+0x136/0x540
[ 1238.952080] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1238.960265]  ? __isolate_free_page+0x4c0/0x4c0
[ 1238.989062] lowmem_reserve[]: 0 0 0 0 0
[ 1238.997676]  ? wake_all_kswapds+0x14d/0x300
[ 1239.001693] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1239.006472]  __alloc_pages_slowpath+0x2214/0x2870
[ 1239.032297] lowmem_reserve[]: 0 0 0 0 0
[ 1239.036948]  ? warn_alloc+0x110/0x110
[ 1239.040889] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1239.045322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1239.073074] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1239.078282]  ? should_fail+0x14d/0x85c
[ 1239.082243] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1239.086053]  ? __isolate_free_page+0x4c0/0x4c0
[ 1239.098523] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1239.104084]  __alloc_pages_nodemask+0x617/0x750
[ 1239.119433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1239.123341]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1239.134052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1239.138661]  cache_grow_begin+0x91/0x8c0
[ 1239.154746] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1239.159442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1239.168280] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1239.173298]  ? __cpuset_node_allowed+0x136/0x540
[ 1239.181870] 279 total pagecache pages
[ 1239.185957]  fallback_alloc+0x1fd/0x2d0
[ 1239.195011] 0 pages in swap cache
[ 1239.200569]  ____cache_alloc_node+0x1be/0x1e0
[ 1239.209131] Swap cache stats: add 0, delete 0, find 0/0
[ 1239.209141] Free swap  = 0kB
[ 1239.213922]  kmem_cache_alloc_node+0xe3/0x710
[ 1239.217713] Total swap = 0kB
[ 1239.221793]  __alloc_skb+0xd5/0x5f0
[ 1239.225234] 1965979 pages RAM
[ 1239.229851]  ? skb_trim+0x190/0x190
[ 1239.235198] 0 pages HighMem/MovableOnly
[ 1239.238242]  ? check_preemption_disabled+0x48/0x290
[ 1239.243702] 341741 pages reserved
[ 1239.246910]  ? lock_acquire+0x16f/0x3f0
[ 1239.250627] 0 pages cma reserved
[ 1239.250743] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1239.253935]  new_skb+0x28/0x1d0
[ 1239.257723] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1239.261710]  aoecmd_cfg+0x1b5/0x640
[ 1239.299378]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1239.303733]  ? timer_reduce+0x11d0/0x11d0
[ 1239.307914]  discover_timer+0x4e/0x60
[ 1239.311730]  call_timer_fn+0x18d/0x720
[ 1239.315619]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1239.320648]  ? process_timeout+0x40/0x40
[ 1239.324823]  ? run_timer_softirq+0x644/0x16a0
[ 1239.329420]  ? trace_hardirqs_on+0x67/0x220
[ 1239.333749]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1239.338451]  run_timer_softirq+0x64f/0x16a0
[ 1239.342782]  ? add_timer+0xbe0/0xbe0
[ 1239.346506]  ? __lock_is_held+0xb6/0x140
[ 1239.350626]  __do_softirq+0x25c/0x921
[ 1239.354452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1239.359998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1239.365553]  irq_exit+0x180/0x1d0
[ 1239.369040]  smp_apic_timer_interrupt+0x13b/0x550
[ 1239.374058]  apic_timer_interrupt+0xf/0x20
[ 1239.378288]  </IRQ>
[ 1239.380545] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1239.385496] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1239.404958] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1239.412665] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1239.421577] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1239.429731] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1239.437022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1239.444671] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1239.451995]  ? netconsole_netdev_event+0x280/0x280
[ 1239.457033]  ? console_unlock+0xf36/0x10d0
[ 1239.461413]  vprintk_emit+0x280/0x6d0
[ 1239.465218]  vprintk_default+0x28/0x30
[ 1239.469112]  vprintk_func+0x7e/0x189
[ 1239.472844]  printk+0xba/0xed
[ 1239.475986]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1239.480788]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1239.485551]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1239.491115]  dump_header+0x44b/0xa55
[ 1239.494853]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1239.499996]  ? ___ratelimit+0x60/0x595
[ 1239.503880]  ? do_raw_spin_unlock+0x181/0x270
[ 1239.508375]  oom_kill_process.cold+0x10/0x6ef
[ 1239.512876]  ? lock_downgrade+0x880/0x880
[ 1239.517051]  ? kasan_check_read+0x11/0x20
[ 1239.521220]  out_of_memory+0x362/0x1330
[ 1239.525238]  ? oom_killer_disable+0x280/0x280
[ 1239.529769]  ? mutex_trylock+0x18e/0x1e0
[ 1239.534095]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1239.539043]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1239.544619]  ? warn_alloc+0x110/0x110
[ 1239.548417]  ? __lock_is_held+0xb6/0x140
[ 1239.552663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1239.558312]  ? should_fail+0x14d/0x85c
[ 1239.562298]  ? __might_sleep+0x95/0x190
[ 1239.566294]  __alloc_pages_nodemask+0x617/0x750
[ 1239.570979]  ? kasan_check_read+0x11/0x20
[ 1239.575144]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1239.580178]  ? find_get_entry+0x3e1/0xa00
[ 1239.584351]  ? find_get_pages_contig+0xed0/0xed0
[ 1239.589147]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1239.594697]  alloc_pages_current+0x107/0x210
[ 1239.599124]  __page_cache_alloc+0x2bd/0x450
[ 1239.603463]  ? kasan_check_read+0x11/0x20
[ 1239.607628]  filemap_fault+0xfeb/0x1f00
[ 1239.611603]  ? lock_downgrade+0x880/0x880
[ 1239.615757]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1239.620446]  ? lock_acquire+0x16f/0x3f0
[ 1239.624425]  ? ext4_filemap_fault+0x7b/0xaf
[ 1239.628755]  ext4_filemap_fault+0x83/0xaf
[ 1239.632921]  __do_fault+0x111/0x480
[ 1239.636547]  __handle_mm_fault+0x2d78/0x3f80
[ 1239.641307]  ? copy_page_range+0x2030/0x2030
[ 1239.645726]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1239.650438]  handle_mm_fault+0x1b5/0x690
[ 1239.654596]  __do_page_fault+0x62a/0xe90
[ 1239.658764]  ? vmalloc_fault+0x740/0x740
[ 1239.663033]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1239.668420]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1239.673885]  ? page_fault+0x8/0x30
[ 1239.677437]  do_page_fault+0x71/0x57d
[ 1239.681353]  ? page_fault+0x8/0x30
[ 1239.684909]  page_fault+0x1e/0x30
[ 1239.688361] RIP: 0033:0x45b153
[ 1239.691560] Code: Bad RIP value.
[ 1239.694930] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1239.700310] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1239.707587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1239.714926] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1239.722220] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1239.729498] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1239.736814] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1239.736879] aoe: skb alloc failure
[ 1239.745190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1239.745218] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1239.745224] Call Trace:
[ 1239.745231]  <IRQ>
[ 1239.745250]  dump_stack+0x197/0x210
[ 1239.745270]  warn_alloc.cold+0x7b/0x173
[ 1239.748922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1239.758273]  ? zone_watermark_ok_safe+0x260/0x260
[ 1239.765365] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1239.767959]  ? __cpuset_node_allowed+0x136/0x540
[ 1239.802668]  ? __isolate_free_page+0x4c0/0x4c0
[ 1239.807288]  ? wake_all_kswapds+0x14d/0x300
[ 1239.812333]  __alloc_pages_slowpath+0x2214/0x2870
[ 1239.817209]  ? warn_alloc+0x110/0x110
[ 1239.821555]  ? debug_object_activate+0x206/0x4e0
[ 1239.826325]  ? find_held_lock+0x35/0x130
[ 1239.830394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1239.836002]  ? should_fail+0x14d/0x85c
[ 1239.839929]  ? __isolate_free_page+0x4c0/0x4c0
[ 1239.844524]  __alloc_pages_nodemask+0x617/0x750
[ 1239.849327]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1239.854365]  ? mark_held_locks+0x100/0x100
[ 1239.859419]  ? lockdep_hardirqs_on+0x19b/0x5d0
[ 1239.864109]  page_frag_alloc+0x541/0x670
[ 1239.868246]  ? check_preemption_disabled+0x48/0x290
[ 1239.873288]  __netdev_alloc_skb+0x20a/0x470
[ 1239.877614]  send_hsr_supervision_frame+0x110/0xfc0
[ 1239.882763]  ? lock_acquire+0x16f/0x3f0
[ 1239.886744]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1239.892417]  hsr_announce+0x12f/0x3b0
[ 1239.896222]  call_timer_fn+0x18d/0x720
[ 1239.900122]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1239.905484]  ? process_timeout+0x40/0x40
[ 1239.910422]  ? run_timer_softirq+0x644/0x16a0
[ 1239.914952]  ? trace_hardirqs_on+0x67/0x220
[ 1239.919325]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1239.924529]  run_timer_softirq+0x64f/0x16a0
[ 1239.928956]  ? add_timer+0xbe0/0xbe0
[ 1239.932945]  ? __lock_is_held+0xb6/0x140
[ 1239.937414]  __do_softirq+0x25c/0x921
[ 1239.941338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1239.946880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1239.959546]  irq_exit+0x180/0x1d0
[ 1239.963017]  smp_apic_timer_interrupt+0x13b/0x550
[ 1239.968688]  apic_timer_interrupt+0xf/0x20
[ 1239.972927]  </IRQ>
[ 1239.975165] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1239.980094] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1239.999005] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1240.006837] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1240.014121] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1240.021433] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1240.028824] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1240.036313] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1240.043619]  ? find_held_lock+0x35/0x130
[ 1240.047680]  ? process_one_work+0x890/0x1750
[ 1240.052090]  skb_clone+0x156/0x3e0
[ 1240.055645]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1240.064349]  process_one_work+0x989/0x1750
[ 1240.068733]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1240.074034]  ? lock_acquire+0x16f/0x3f0
[ 1240.078197]  ? kasan_check_write+0x14/0x20
[ 1240.082448]  ? do_raw_spin_lock+0xd7/0x250
[ 1240.086685]  worker_thread+0x98/0xe40
[ 1240.090496]  ? trace_hardirqs_on+0x67/0x220
[ 1240.094828]  kthread+0x354/0x420
[ 1240.098336]  ? process_one_work+0x1750/0x1750
[ 1240.102841]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1240.108392]  ret_from_fork+0x24/0x30
[ 1240.112112] warn_alloc_show_mem: 1 callbacks suppressed
[ 1240.112122] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1240.112124] Mem-Info:
[ 1240.112153] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1240.112153]  active_file:13 inactive_file:13 isolated_file:0
[ 1240.112153]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1240.112153]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1240.112153]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1240.112153]  free:10948 free_pcp:188 free_cma:0
[ 1240.117502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1240.117512] Call Trace:
[ 1240.124996] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1240.127391]  <IRQ>
[ 1240.160944] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1240.170299]  dump_stack+0x197/0x210
[ 1240.172860] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1240.200671]  warn_alloc.cold+0x7b/0x173
[ 1240.202801] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1240.228691]  ? zone_watermark_ok_safe+0x260/0x260
[ 1240.232320] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1240.258453]  ? __cpuset_node_allowed+0x136/0x540
[ 1240.262414] lowmem_reserve[]: 0 0 1 1 1
[ 1240.267465]  ? __isolate_free_page+0x4c0/0x4c0
[ 1240.272297] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1240.301344]  ? wake_all_kswapds+0x14d/0x300
[ 1240.306089] lowmem_reserve[]: 0 0 0 0 0
[ 1240.310087]  __alloc_pages_slowpath+0x2214/0x2870
[ 1240.314651] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1240.340450]  ? warn_alloc+0x110/0x110
[ 1240.344738] lowmem_reserve[]: 0 0 0 0 0
[ 1240.348722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1240.353728] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1240.383357]  ? should_fail+0x14d/0x85c
[ 1240.387158] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1240.391133]  ? __isolate_free_page+0x4c0/0x4c0
[ 1240.396749] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1240.409276]  __alloc_pages_nodemask+0x617/0x750
[ 1240.413265] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1240.428683]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1240.433240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1240.444079]  cache_grow_begin+0x91/0x8c0
[ 1240.450979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1240.466746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1240.471751] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1240.480592]  ? __cpuset_node_allowed+0x136/0x540
[ 1240.484633] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1240.493203]  fallback_alloc+0x1fd/0x2d0
[ 1240.498717] 279 total pagecache pages
[ 1240.507678]  ____cache_alloc_node+0x1be/0x1e0
[ 1240.512413] 0 pages in swap cache
[ 1240.520990]  kmem_cache_alloc_node+0xe3/0x710
[ 1240.524948] Swap cache stats: add 0, delete 0, find 0/0
[ 1240.524957] Free swap  = 0kB
[ 1240.528778]  __alloc_skb+0xd5/0x5f0
[ 1240.533241] Total swap = 0kB
[ 1240.536703]  ? skb_trim+0x190/0x190
[ 1240.541204] 1965979 pages RAM
[ 1240.546588]  ? check_preemption_disabled+0x48/0x290
[ 1240.549599] 0 pages HighMem/MovableOnly
[ 1240.549607] 341741 pages reserved
[ 1240.553237]  ? lock_acquire+0x16f/0x3f0
[ 1240.556248] 0 pages cma reserved
[ 1240.559874]  new_skb+0x28/0x1d0
[ 1240.563133] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1240.567979]  aoecmd_cfg+0x1b5/0x640
[ 1240.571944] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1240.575396]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1240.610756]  ? timer_reduce+0x11d0/0x11d0
[ 1240.615092]  discover_timer+0x4e/0x60
[ 1240.618887]  call_timer_fn+0x18d/0x720
[ 1240.622769]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1240.627429]  ? process_timeout+0x40/0x40
[ 1240.631502]  ? run_timer_softirq+0x644/0x16a0
[ 1240.635992]  ? trace_hardirqs_on+0x67/0x220
[ 1240.640311]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1240.644985]  run_timer_softirq+0x64f/0x16a0
[ 1240.649327]  ? add_timer+0xbe0/0xbe0
[ 1240.653037]  ? __lock_is_held+0xb6/0x140
[ 1240.657106]  __do_softirq+0x25c/0x921
[ 1240.660901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1240.666431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1240.671976]  irq_exit+0x180/0x1d0
[ 1240.675429]  smp_apic_timer_interrupt+0x13b/0x550
[ 1240.680270]  apic_timer_interrupt+0xf/0x20
[ 1240.684489]  </IRQ>
[ 1240.686720] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1240.691588] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1240.710483] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1240.718200] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1240.725460] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1240.732722] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1240.739982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1240.747282] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1240.754567]  ? netconsole_netdev_event+0x280/0x280
[ 1240.759784]  ? console_unlock+0xf36/0x10d0
[ 1240.764125]  vprintk_emit+0x280/0x6d0
[ 1240.767927]  vprintk_default+0x28/0x30
[ 1240.771814]  vprintk_func+0x7e/0x189
[ 1240.775528]  printk+0xba/0xed
[ 1240.778643]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1240.783401]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1240.787911]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1240.792942]  dump_header+0x44b/0xa55
[ 1240.796648]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1240.801742]  ? ___ratelimit+0x60/0x595
[ 1240.805628]  ? do_raw_spin_unlock+0x181/0x270
[ 1240.810131]  oom_kill_process.cold+0x10/0x6ef
[ 1240.814622]  ? lock_downgrade+0x880/0x880
[ 1240.818786]  ? kasan_check_read+0x11/0x20
[ 1240.822943]  out_of_memory+0x362/0x1330
[ 1240.826929]  ? oom_killer_disable+0x280/0x280
[ 1240.831436]  ? mutex_trylock+0x18e/0x1e0
[ 1240.835595]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1240.840960]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1240.845832]  ? warn_alloc+0x110/0x110
[ 1240.849629]  ? __lock_is_held+0xb6/0x140
[ 1240.853733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1240.859301]  ? should_fail+0x14d/0x85c
[ 1240.863286]  ? __might_sleep+0x95/0x190
[ 1240.867289]  __alloc_pages_nodemask+0x617/0x750
[ 1240.871970]  ? kasan_check_read+0x11/0x20
[ 1240.876208]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1240.881225]  ? find_get_entry+0x3e1/0xa00
[ 1240.885376]  ? find_get_pages_contig+0xed0/0xed0
[ 1240.890399]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1240.895936]  alloc_pages_current+0x107/0x210
[ 1240.900360]  __page_cache_alloc+0x2bd/0x450
[ 1240.904704]  ? kasan_check_read+0x11/0x20
[ 1240.909210]  filemap_fault+0xfeb/0x1f00
[ 1240.913186]  ? lock_downgrade+0x880/0x880
[ 1240.917341]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1240.922019]  ? lock_acquire+0x16f/0x3f0
[ 1240.925986]  ? ext4_filemap_fault+0x7b/0xaf
[ 1240.930482]  ext4_filemap_fault+0x83/0xaf
[ 1240.934640]  __do_fault+0x111/0x480
[ 1240.938275]  __handle_mm_fault+0x2d78/0x3f80
[ 1240.943809]  ? copy_page_range+0x2030/0x2030
[ 1240.950344]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1240.955035]  handle_mm_fault+0x1b5/0x690
[ 1240.960480]  __do_page_fault+0x62a/0xe90
[ 1240.964585]  ? vmalloc_fault+0x740/0x740
[ 1240.968647]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1240.973675]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1240.978602]  ? page_fault+0x8/0x30
[ 1240.982144]  do_page_fault+0x71/0x57d
[ 1240.985941]  ? page_fault+0x8/0x30
[ 1240.989475]  page_fault+0x1e/0x30
[ 1240.992939] RIP: 0033:0x45b153
[ 1240.996139] Code: Bad RIP value.
[ 1240.999493] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1241.004844] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1241.012104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1241.019378] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1241.026639] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1241.033899] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1241.041186] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1241.041245] aoe: skb alloc failure
[ 1241.048918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1241.048944] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1241.052529] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1241.062006] Call Trace:
[ 1241.069277] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1241.079513]  <IRQ>
[ 1241.088980]  dump_stack+0x197/0x210
[ 1241.092606]  warn_alloc.cold+0x7b/0x173
[ 1241.096576]  ? zone_watermark_ok_safe+0x260/0x260
[ 1241.101415]  ? __cpuset_node_allowed+0x136/0x540
[ 1241.106172]  ? __isolate_free_page+0x4c0/0x4c0
[ 1241.110851]  ? wake_all_kswapds+0x14d/0x300
[ 1241.115172]  __alloc_pages_slowpath+0x2214/0x2870
[ 1241.120036]  ? warn_alloc+0x110/0x110
[ 1241.124181]  ? __lock_acquire+0x6ee/0x49c0
[ 1241.128409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1241.134027]  ? should_fail+0x14d/0x85c
[ 1241.137912]  ? __isolate_free_page+0x4c0/0x4c0
[ 1241.142500]  __alloc_pages_nodemask+0x617/0x750
[ 1241.147174]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1241.152195]  ? find_held_lock+0x35/0x130
[ 1241.156517]  cache_grow_begin+0x91/0x8c0
[ 1241.160595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1241.166148]  ? __cpuset_node_allowed+0x136/0x540
[ 1241.171016]  fallback_alloc+0x1fd/0x2d0
[ 1241.175128]  ____cache_alloc_node+0x1be/0x1e0
[ 1241.179762]  kmem_cache_alloc_node+0xe3/0x710
[ 1241.184262]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1241.188521]  __alloc_skb+0xd5/0x5f0
[ 1241.192271]  ? skb_trim+0x190/0x190
[ 1241.195897]  ? kasan_check_read+0x11/0x20
[ 1241.200056]  ndisc_alloc_skb+0x13c/0x340
[ 1241.204151]  ndisc_send_rs+0x35f/0x6e0
[ 1241.208060]  addrconf_rs_timer+0x30f/0x680
[ 1241.212366]  ? ipv6_get_lladdr+0x490/0x490
[ 1241.216644]  call_timer_fn+0x18d/0x720
[ 1241.220549]  ? ipv6_get_lladdr+0x490/0x490
[ 1241.224789]  ? process_timeout+0x40/0x40
[ 1241.228878]  ? run_timer_softirq+0x644/0x16a0
[ 1241.236797]  ? trace_hardirqs_on+0x67/0x220
[ 1241.241178]  ? ipv6_get_lladdr+0x490/0x490
[ 1241.245442]  run_timer_softirq+0x64f/0x16a0
[ 1241.251177]  ? add_timer+0xbe0/0xbe0
[ 1241.254997]  ? __lock_is_held+0xb6/0x140
[ 1241.259074]  __do_softirq+0x25c/0x921
[ 1241.262869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1241.268413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1241.273983]  irq_exit+0x180/0x1d0
[ 1241.277441]  smp_apic_timer_interrupt+0x13b/0x550
[ 1241.282287]  apic_timer_interrupt+0xf/0x20
[ 1241.286518]  </IRQ>
[ 1241.288755] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1241.293706] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1241.312621] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1241.320343] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1241.327618] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1241.334894] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1241.342172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1241.349576] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1241.356887]  ? find_held_lock+0x35/0x130
[ 1241.360996]  ? process_one_work+0x890/0x1750
[ 1241.365420]  skb_clone+0x156/0x3e0
[ 1241.369095]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1241.375428]  process_one_work+0x989/0x1750
[ 1241.379686]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1241.384369]  ? lock_acquire+0x16f/0x3f0
[ 1241.388361]  ? kasan_check_write+0x14/0x20
[ 1241.392600]  ? do_raw_spin_lock+0xd7/0x250
[ 1241.396923]  worker_thread+0x98/0xe40
[ 1241.400763]  ? trace_hardirqs_on+0x67/0x220
[ 1241.405099]  kthread+0x354/0x420
[ 1241.408467]  ? process_one_work+0x1750/0x1750
[ 1241.412959]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1241.418495]  ret_from_fork+0x24/0x30
[ 1241.422255] warn_alloc_show_mem: 1 callbacks suppressed
[ 1241.422271] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1241.422273] Mem-Info:
[ 1241.422303] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1241.422303]  active_file:13 inactive_file:13 isolated_file:0
[ 1241.422303]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1241.422303]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1241.422303]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1241.422303]  free:10948 free_pcp:188 free_cma:0
[ 1241.427824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1241.435807] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1241.438332] Call Trace:
[ 1241.471416] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1241.480778]  <IRQ>
[ 1241.508483] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1241.511078]  dump_stack+0x197/0x210
[ 1241.536910] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1241.539109]  warn_alloc.cold+0x7b/0x173
[ 1241.565208] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1241.568875]  ? zone_watermark_ok_safe+0x260/0x260
[ 1241.573869] lowmem_reserve[]: 0 0 1 1 1
[ 1241.577847]  ? __cpuset_node_allowed+0x136/0x540
[ 1241.606645] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1241.611534]  ? __isolate_free_page+0x4c0/0x4c0
[ 1241.615500] lowmem_reserve[]: 0 0 0 0 0
[ 1241.620344]  ? wake_all_kswapds+0x14d/0x300
[ 1241.646110] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1241.650718]  __alloc_pages_slowpath+0x2214/0x2870
[ 1241.654688] lowmem_reserve[]: 0 0 0 0 0
[ 1241.659039]  ? warn_alloc+0x110/0x110
[ 1241.686978] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1241.691859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1241.695811] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1241.699605]  ? should_fail+0x14d/0x85c
[ 1241.712073] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1241.717655]  ? __isolate_free_page+0x4c0/0x4c0
[ 1241.732929] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1241.736846]  __alloc_pages_nodemask+0x617/0x750
[ 1241.747495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1241.752090]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1241.767981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1241.772658]  cache_grow_begin+0x91/0x8c0
[ 1241.781472] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1241.786616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1241.795392] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1241.799467]  ? __cpuset_node_allowed+0x136/0x540
[ 1241.808285] 279 total pagecache pages
[ 1241.813843]  fallback_alloc+0x1fd/0x2d0
[ 1241.822519] 0 pages in swap cache
[ 1241.827299]  ____cache_alloc_node+0x1be/0x1e0
[ 1241.831078] Swap cache stats: add 0, delete 0, find 0/0
[ 1241.835060]  kmem_cache_alloc_node+0xe3/0x710
[ 1241.838498] Free swap  = 0kB
[ 1241.838508] Total swap = 0kB
[ 1241.843544]  __alloc_skb+0xd5/0x5f0
[ 1241.849090] 1965979 pages RAM
[ 1241.853594]  ? skb_trim+0x190/0x190
[ 1241.856579] 0 pages HighMem/MovableOnly
[ 1241.856587] 341741 pages reserved
[ 1241.859634]  ? check_preemption_disabled+0x48/0x290
[ 1241.863246] 0 pages cma reserved
[ 1241.866350]  ? lock_acquire+0x16f/0x3f0
[ 1241.870021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1241.873969]  new_skb+0x28/0x1d0
[ 1241.873984]  aoecmd_cfg+0x1b5/0x640
[ 1241.873999]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1241.874020]  ? timer_reduce+0x11d0/0x11d0
[ 1241.877509] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1241.882489]  discover_timer+0x4e/0x60
[ 1241.885838] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1241.889841]  call_timer_fn+0x18d/0x720
[ 1241.934624]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1241.939415]  ? process_timeout+0x40/0x40
[ 1241.943469]  ? run_timer_softirq+0x644/0x16a0
[ 1241.947975]  ? trace_hardirqs_on+0x67/0x220
[ 1241.952313]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1241.957001]  run_timer_softirq+0x64f/0x16a0
[ 1241.961342]  ? add_timer+0xbe0/0xbe0
[ 1241.965061]  ? __lock_is_held+0xb6/0x140
[ 1241.969155]  __do_softirq+0x25c/0x921
[ 1241.972951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1241.978481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1241.984037]  irq_exit+0x180/0x1d0
[ 1241.987492]  smp_apic_timer_interrupt+0x13b/0x550
[ 1241.992332]  apic_timer_interrupt+0xf/0x20
[ 1241.996573]  </IRQ>
[ 1241.998813] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1242.003655] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1242.022550] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1242.030365] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1242.037752] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1242.045041] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1242.052331] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1242.059622] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1242.066922]  ? netconsole_netdev_event+0x280/0x280
[ 1242.071854]  ? console_unlock+0xf36/0x10d0
[ 1242.076115]  vprintk_emit+0x280/0x6d0
[ 1242.079917]  vprintk_default+0x28/0x30
[ 1242.083812]  vprintk_func+0x7e/0x189
[ 1242.087565]  printk+0xba/0xed
[ 1242.090667]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1242.095434]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1242.099944]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1242.104962]  dump_header+0x44b/0xa55
[ 1242.108669]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1242.113785]  ? ___ratelimit+0x60/0x595
[ 1242.117683]  ? do_raw_spin_unlock+0x181/0x270
[ 1242.122184]  oom_kill_process.cold+0x10/0x6ef
[ 1242.126684]  ? lock_downgrade+0x880/0x880
[ 1242.130843]  ? kasan_check_read+0x11/0x20
[ 1242.134994]  out_of_memory+0x362/0x1330
[ 1242.139009]  ? oom_killer_disable+0x280/0x280
[ 1242.143503]  ? mutex_trylock+0x18e/0x1e0
[ 1242.147575]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1242.152529]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1242.157401]  ? warn_alloc+0x110/0x110
[ 1242.161213]  ? __lock_is_held+0xb6/0x140
[ 1242.165279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1242.170839]  ? should_fail+0x14d/0x85c
[ 1242.174784]  ? __might_sleep+0x95/0x190
[ 1242.178778]  __alloc_pages_nodemask+0x617/0x750
[ 1242.183448]  ? kasan_check_read+0x11/0x20
[ 1242.187613]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1242.192655]  ? find_get_entry+0x3e1/0xa00
[ 1242.196926]  ? find_get_pages_contig+0xed0/0xed0
[ 1242.201694]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1242.207260]  alloc_pages_current+0x107/0x210
[ 1242.211695]  __page_cache_alloc+0x2bd/0x450
[ 1242.216027]  ? kasan_check_read+0x11/0x20
[ 1242.220187]  filemap_fault+0xfeb/0x1f00
[ 1242.224247]  ? lock_downgrade+0x880/0x880
[ 1242.228430]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1242.233099]  ? lock_acquire+0x16f/0x3f0
[ 1242.237094]  ? ext4_filemap_fault+0x7b/0xaf
[ 1242.241431]  ext4_filemap_fault+0x83/0xaf
[ 1242.245595]  __do_fault+0x111/0x480
[ 1242.249245]  __handle_mm_fault+0x2d78/0x3f80
[ 1242.253671]  ? copy_page_range+0x2030/0x2030
[ 1242.258099]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1242.262787]  handle_mm_fault+0x1b5/0x690
[ 1242.266855]  __do_page_fault+0x62a/0xe90
[ 1242.270935]  ? vmalloc_fault+0x740/0x740
[ 1242.274990]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1242.280119]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1242.285050]  ? page_fault+0x8/0x30
[ 1242.288602]  do_page_fault+0x71/0x57d
[ 1242.292406]  ? page_fault+0x8/0x30
[ 1242.295952]  page_fault+0x1e/0x30
[ 1242.299408] RIP: 0033:0x45b153
[ 1242.302605] Code: Bad RIP value.
[ 1242.305963] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1242.311319] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1242.318592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1242.325871] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1242.334456] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1242.341753] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1242.349052] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1242.349114] aoe: skb alloc failure
[ 1242.356772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1242.356799] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1242.356805] Call Trace:
[ 1242.356811]  <IRQ>
[ 1242.356829]  dump_stack+0x197/0x210
[ 1242.356849]  warn_alloc.cold+0x7b/0x173
[ 1242.360398] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1242.369866]  ? zone_watermark_ok_safe+0x260/0x260
[ 1242.376961] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1242.379558]  ? __cpuset_node_allowed+0x136/0x540
[ 1242.413913]  ? __isolate_free_page+0x4c0/0x4c0
[ 1242.418508]  ? wake_all_kswapds+0x14d/0x300
[ 1242.422838]  __alloc_pages_slowpath+0x2214/0x2870
[ 1242.427741]  ? warn_alloc+0x110/0x110
[ 1242.431575]  ? __lock_acquire+0x6ee/0x49c0
[ 1242.435821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1242.441359]  ? should_fail+0x14d/0x85c
[ 1242.445350]  ? __isolate_free_page+0x4c0/0x4c0
[ 1242.449941]  __alloc_pages_nodemask+0x617/0x750
[ 1242.454650]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1242.459684]  ? find_held_lock+0x35/0x130
[ 1242.463761]  cache_grow_begin+0x91/0x8c0
[ 1242.467829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1242.473385]  ? __cpuset_node_allowed+0x136/0x540
[ 1242.478144]  fallback_alloc+0x1fd/0x2d0
[ 1242.482210]  ____cache_alloc_node+0x1be/0x1e0
[ 1242.486730]  kmem_cache_alloc_node+0xe3/0x710
[ 1242.491233]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1242.495490]  __alloc_skb+0xd5/0x5f0
[ 1242.499130]  ? skb_trim+0x190/0x190
[ 1242.502769]  ? kasan_check_read+0x11/0x20
[ 1242.506928]  ndisc_alloc_skb+0x13c/0x340
[ 1242.511006]  ndisc_send_rs+0x35f/0x6e0
[ 1242.514917]  addrconf_rs_timer+0x30f/0x680
[ 1242.519150]  ? ipv6_get_lladdr+0x490/0x490
[ 1242.523508]  call_timer_fn+0x18d/0x720
[ 1242.527405]  ? ipv6_get_lladdr+0x490/0x490
[ 1242.531655]  ? process_timeout+0x40/0x40
[ 1242.535716]  ? run_timer_softirq+0x644/0x16a0
[ 1242.540226]  ? trace_hardirqs_on+0x67/0x220
[ 1242.544557]  ? ipv6_get_lladdr+0x490/0x490
[ 1242.548792]  run_timer_softirq+0x64f/0x16a0
[ 1242.553149]  ? add_timer+0xbe0/0xbe0
[ 1242.556862]  ? __lock_is_held+0xb6/0x140
[ 1242.560932]  __do_softirq+0x25c/0x921
[ 1242.564742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1242.570274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1242.575818]  irq_exit+0x180/0x1d0
[ 1242.579289]  smp_apic_timer_interrupt+0x13b/0x550
[ 1242.584155]  apic_timer_interrupt+0xf/0x20
[ 1242.588398]  </IRQ>
[ 1242.590669] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1242.595609] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1242.614695] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1242.622421] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1242.629686] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1242.636964] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1242.644244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1242.651624] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1242.658922]  ? find_held_lock+0x35/0x130
[ 1242.662989]  ? process_one_work+0x890/0x1750
[ 1242.667396]  skb_clone+0x156/0x3e0
[ 1242.670961]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1242.677301]  process_one_work+0x989/0x1750
[ 1242.681561]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1242.686251]  ? lock_acquire+0x16f/0x3f0
[ 1242.690242]  ? kasan_check_write+0x14/0x20
[ 1242.694475]  ? do_raw_spin_lock+0xd7/0x250
[ 1242.698733]  worker_thread+0x98/0xe40
[ 1242.702531]  ? trace_hardirqs_on+0x67/0x220
[ 1242.706876]  kthread+0x354/0x420
[ 1242.710264]  ? process_one_work+0x1750/0x1750
[ 1242.714755]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1242.720309]  ret_from_fork+0x24/0x30
[ 1242.724041] warn_alloc_show_mem: 1 callbacks suppressed
[ 1242.724052] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1242.724054] Mem-Info:
[ 1242.724085] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1242.724085]  active_file:13 inactive_file:13 isolated_file:0
[ 1242.724085]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1242.724085]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1242.724085]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1242.724085]  free:10948 free_pcp:188 free_cma:0
[ 1242.729437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1242.729447] Call Trace:
[ 1242.736927] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1242.739324]  <IRQ>
[ 1242.772405] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1242.781790]  dump_stack+0x197/0x210
[ 1242.784362] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1242.812457]  warn_alloc.cold+0x7b/0x173
[ 1242.814580] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1242.841758]  ? zone_watermark_ok_safe+0x260/0x260
[ 1242.845358] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1242.871486]  ? __cpuset_node_allowed+0x136/0x540
[ 1242.875438] lowmem_reserve[]: 0 0 1 1 1
[ 1242.880491]  ? __isolate_free_page+0x4c0/0x4c0
[ 1242.885321] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1242.914156]  ? wake_all_kswapds+0x14d/0x300
[ 1242.918905] lowmem_reserve[]: 0 0 0 0 0
[ 1242.922897]  __alloc_pages_slowpath+0x2214/0x2870
[ 1242.927442] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1242.954367]  ? warn_alloc+0x110/0x110
[ 1242.958651] lowmem_reserve[]: 0 0 0 0 0
[ 1242.962741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1242.967688] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1242.995472]  ? should_fail+0x14d/0x85c
[ 1242.999250] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1243.003248]  ? __isolate_free_page+0x4c0/0x4c0
[ 1243.008863] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1243.021544]  __alloc_pages_nodemask+0x617/0x750
[ 1243.025421] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1243.040708]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1243.045286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1243.055956]  cache_grow_begin+0x91/0x8c0
[ 1243.060587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1243.076395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1243.081409] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1243.090258]  ? __cpuset_node_allowed+0x136/0x540
[ 1243.094297] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1243.102860]  fallback_alloc+0x1fd/0x2d0
[ 1243.108382] 279 total pagecache pages
[ 1243.117232]  ____cache_alloc_node+0x1be/0x1e0
[ 1243.121977] 0 pages in swap cache
[ 1243.130559]  kmem_cache_alloc_node+0xe3/0x710
[ 1243.134621] Swap cache stats: add 0, delete 0, find 0/0
[ 1243.134632] Free swap  = 0kB
[ 1243.138471]  __alloc_skb+0xd5/0x5f0
[ 1243.142920] Total swap = 0kB
[ 1243.146382]  ? skb_trim+0x190/0x190
[ 1243.150885] 1965979 pages RAM
[ 1243.156265]  ? check_preemption_disabled+0x48/0x290
[ 1243.159251] 0 pages HighMem/MovableOnly
[ 1243.159261] 341741 pages reserved
[ 1243.162979]  ? lock_acquire+0x16f/0x3f0
[ 1243.165972] 0 pages cma reserved
[ 1243.169608]  new_skb+0x28/0x1d0
[ 1243.172760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1243.177727]  aoecmd_cfg+0x1b5/0x640
[ 1243.181760] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1243.185139]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1243.189103] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1243.192488]  ? timer_reduce+0x11d0/0x11d0
[ 1243.229954]  discover_timer+0x4e/0x60
[ 1243.233753]  call_timer_fn+0x18d/0x720
[ 1243.237675]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1243.242340]  ? process_timeout+0x40/0x40
[ 1243.246506]  ? run_timer_softirq+0x644/0x16a0
[ 1243.251035]  ? trace_hardirqs_on+0x67/0x220
[ 1243.255374]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1243.260054]  run_timer_softirq+0x64f/0x16a0
[ 1243.264397]  ? add_timer+0xbe0/0xbe0
[ 1243.268124]  ? __lock_is_held+0xb6/0x140
[ 1243.272198]  __do_softirq+0x25c/0x921
[ 1243.276019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1243.281554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1243.287187]  irq_exit+0x180/0x1d0
[ 1243.290664]  smp_apic_timer_interrupt+0x13b/0x550
[ 1243.295503]  apic_timer_interrupt+0xf/0x20
[ 1243.299725]  </IRQ>
[ 1243.301956] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1243.306802] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1243.325728] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1243.333551] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1243.340822] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1243.348113] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1243.355513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1243.362808] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1243.370165]  ? netconsole_netdev_event+0x280/0x280
[ 1243.375129]  ? console_unlock+0xf36/0x10d0
[ 1243.379425]  vprintk_emit+0x280/0x6d0
[ 1243.383230]  vprintk_default+0x28/0x30
[ 1243.387187]  vprintk_func+0x7e/0x189
[ 1243.390926]  printk+0xba/0xed
[ 1243.394033]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1243.398825]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1243.403342]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1243.408363]  dump_header+0x44b/0xa55
[ 1243.412087]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1243.417209]  ? ___ratelimit+0x60/0x595
[ 1243.421109]  ? do_raw_spin_unlock+0x181/0x270
[ 1243.425621]  oom_kill_process.cold+0x10/0x6ef
[ 1243.430134]  ? lock_downgrade+0x880/0x880
[ 1243.434284]  ? kasan_check_read+0x11/0x20
[ 1243.438451]  out_of_memory+0x362/0x1330
[ 1243.442432]  ? oom_killer_disable+0x280/0x280
[ 1243.446938]  ? mutex_trylock+0x18e/0x1e0
[ 1243.451034]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1243.455970]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1243.460846]  ? warn_alloc+0x110/0x110
[ 1243.464662]  ? __lock_is_held+0xb6/0x140
[ 1243.468744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1243.474454]  ? should_fail+0x14d/0x85c
[ 1243.478366]  ? __might_sleep+0x95/0x190
[ 1243.482369]  __alloc_pages_nodemask+0x617/0x750
[ 1243.487072]  ? kasan_check_read+0x11/0x20
[ 1243.491239]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1243.496277]  ? find_get_entry+0x3e1/0xa00
[ 1243.500427]  ? find_get_pages_contig+0xed0/0xed0
[ 1243.505313]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1243.510851]  alloc_pages_current+0x107/0x210
[ 1243.515281]  __page_cache_alloc+0x2bd/0x450
[ 1243.519736]  ? kasan_check_read+0x11/0x20
[ 1243.523911]  filemap_fault+0xfeb/0x1f00
[ 1243.528006]  ? lock_downgrade+0x880/0x880
[ 1243.532318]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1243.537014]  ? lock_acquire+0x16f/0x3f0
[ 1243.541000]  ? ext4_filemap_fault+0x7b/0xaf
[ 1243.545327]  ext4_filemap_fault+0x83/0xaf
[ 1243.549471]  __do_fault+0x111/0x480
[ 1243.553135]  __handle_mm_fault+0x2d78/0x3f80
[ 1243.557545]  ? copy_page_range+0x2030/0x2030
[ 1243.561974]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1243.566674]  handle_mm_fault+0x1b5/0x690
[ 1243.570743]  __do_page_fault+0x62a/0xe90
[ 1243.574823]  ? vmalloc_fault+0x740/0x740
[ 1243.578902]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1243.583929]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1243.588872]  ? page_fault+0x8/0x30
[ 1243.592442]  do_page_fault+0x71/0x57d
[ 1243.596251]  ? page_fault+0x8/0x30
[ 1243.599810]  page_fault+0x1e/0x30
[ 1243.603276] RIP: 0033:0x45b153
[ 1243.606490] Code: Bad RIP value.
[ 1243.610033] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1243.615425] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1243.622692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1243.630023] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1243.637296] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1243.644576] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1243.652117] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1243.652174] aoe: skb alloc failure
[ 1243.659843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1243.659869] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1243.663589] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1243.672856] Call Trace:
[ 1243.680050] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1243.690630]  <IRQ>
[ 1243.700595]  dump_stack+0x197/0x210
[ 1243.704247]  warn_alloc.cold+0x7b/0x173
[ 1243.708226]  ? zone_watermark_ok_safe+0x260/0x260
[ 1243.713245]  ? __cpuset_node_allowed+0x136/0x540
[ 1243.718041]  ? __isolate_free_page+0x4c0/0x4c0
[ 1243.722648]  ? wake_all_kswapds+0x14d/0x300
[ 1243.727036]  __alloc_pages_slowpath+0x2214/0x2870
[ 1243.731902]  ? warn_alloc+0x110/0x110
[ 1243.735729]  ? __lock_acquire+0x6ee/0x49c0
[ 1243.739991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1243.745560]  ? should_fail+0x14d/0x85c
[ 1243.749472]  ? __isolate_free_page+0x4c0/0x4c0
[ 1243.754110]  __alloc_pages_nodemask+0x617/0x750
[ 1243.758923]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1243.764154]  ? find_held_lock+0x35/0x130
[ 1243.768272]  cache_grow_begin+0x91/0x8c0
[ 1243.772361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1243.777920]  ? __cpuset_node_allowed+0x136/0x540
[ 1243.782692]  fallback_alloc+0x1fd/0x2d0
[ 1243.786691]  ____cache_alloc_node+0x1be/0x1e0
[ 1243.791214]  kmem_cache_alloc_node+0xe3/0x710
[ 1243.795881]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1243.800134]  __alloc_skb+0xd5/0x5f0
[ 1243.803778]  ? skb_trim+0x190/0x190
[ 1243.807424]  ? kasan_check_read+0x11/0x20
[ 1243.811581]  ndisc_alloc_skb+0x13c/0x340
[ 1243.815679]  ndisc_send_rs+0x35f/0x6e0
[ 1243.819591]  addrconf_rs_timer+0x30f/0x680
[ 1243.823858]  ? ipv6_get_lladdr+0x490/0x490
[ 1243.831248]  call_timer_fn+0x18d/0x720
[ 1243.835245]  ? ipv6_get_lladdr+0x490/0x490
[ 1243.839510]  ? process_timeout+0x40/0x40
[ 1243.843592]  ? run_timer_softirq+0x644/0x16a0
[ 1243.848143]  ? trace_hardirqs_on+0x67/0x220
[ 1243.852598]  ? ipv6_get_lladdr+0x490/0x490
[ 1243.856855]  run_timer_softirq+0x64f/0x16a0
[ 1243.861220]  ? add_timer+0xbe0/0xbe0
[ 1243.864937]  ? __lock_is_held+0xb6/0x140
[ 1243.869102]  __do_softirq+0x25c/0x921
[ 1243.873002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1243.878838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1243.884552]  irq_exit+0x180/0x1d0
[ 1243.888057]  smp_apic_timer_interrupt+0x13b/0x550
[ 1243.893095]  apic_timer_interrupt+0xf/0x20
[ 1243.897357]  </IRQ>
[ 1243.899672] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1243.904637] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1243.923677] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1243.931633] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1243.938929] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1243.946306] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1243.953590] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1243.960890] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1243.968200]  ? find_held_lock+0x35/0x130
[ 1243.972282]  ? process_one_work+0x890/0x1750
[ 1243.976695]  skb_clone+0x156/0x3e0
[ 1243.980265]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1243.986832]  process_one_work+0x989/0x1750
[ 1243.991165]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1243.995939]  ? lock_acquire+0x16f/0x3f0
[ 1243.999931]  ? kasan_check_write+0x14/0x20
[ 1244.004858]  ? do_raw_spin_lock+0xd7/0x250
[ 1244.009105]  worker_thread+0x98/0xe40
[ 1244.012909]  ? trace_hardirqs_on+0x67/0x220
[ 1244.017239]  kthread+0x354/0x420
[ 1244.020630]  ? process_one_work+0x1750/0x1750
[ 1244.025152]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1244.030878]  ret_from_fork+0x24/0x30
[ 1244.034612] warn_alloc_show_mem: 1 callbacks suppressed
[ 1244.034622] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1244.034624] Mem-Info:
[ 1244.034652] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1244.034652]  active_file:13 inactive_file:13 isolated_file:0
[ 1244.034652]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1244.034652]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1244.034652]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1244.034652]  free:10948 free_pcp:188 free_cma:0
[ 1244.040232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1244.047814] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1244.050317] Call Trace:
[ 1244.083563] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1244.093266]  <IRQ>
[ 1244.120859] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1244.123563]  dump_stack+0x197/0x210
[ 1244.152928] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1244.155204]  warn_alloc.cold+0x7b/0x173
[ 1244.181840] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1244.185485]  ? zone_watermark_ok_safe+0x260/0x260
[ 1244.190584] lowmem_reserve[]: 0 0 1 1 1
[ 1244.194711]  ? __cpuset_node_allowed+0x136/0x540
[ 1244.224643] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1244.229776]  ? __isolate_free_page+0x4c0/0x4c0
[ 1244.233719] lowmem_reserve[]: 0 0 0 0 0
[ 1244.238609]  ? wake_all_kswapds+0x14d/0x300
[ 1244.265131] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1244.270072]  __alloc_pages_slowpath+0x2214/0x2870
[ 1244.274009] lowmem_reserve[]: 0 0 0 0 0
[ 1244.278365]  ? warn_alloc+0x110/0x110
[ 1244.306299] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1244.311154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1244.315098] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1244.318906]  ? should_fail+0x14d/0x85c
[ 1244.332086] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1244.337843]  ? __isolate_free_page+0x4c0/0x4c0
[ 1244.353457] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1244.357397]  __alloc_pages_nodemask+0x617/0x750
[ 1244.368221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1244.372930]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1244.388958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1244.393639]  cache_grow_begin+0x91/0x8c0
[ 1244.403323] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1244.408366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1244.416953] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1244.421074]  ? __cpuset_node_allowed+0x136/0x540
[ 1244.429933] 279 total pagecache pages
[ 1244.435508]  fallback_alloc+0x1fd/0x2d0
[ 1244.444711] 0 pages in swap cache
[ 1244.449585]  ____cache_alloc_node+0x1be/0x1e0
[ 1244.453677] Swap cache stats: add 0, delete 0, find 0/0
[ 1244.457679]  kmem_cache_alloc_node+0xe3/0x710
[ 1244.461128] Free swap  = 0kB
[ 1244.461139] Total swap = 0kB
[ 1244.465671]  __alloc_skb+0xd5/0x5f0
[ 1244.471288] 1965979 pages RAM
[ 1244.476112]  ? skb_trim+0x190/0x190
[ 1244.479150] 0 pages HighMem/MovableOnly
[ 1244.482206]  ? check_preemption_disabled+0x48/0x290
[ 1244.485807] 341741 pages reserved
[ 1244.485817] 0 pages cma reserved
[ 1244.489169]  ? lock_acquire+0x16f/0x3f0
[ 1244.492845] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1244.496785]  new_skb+0x28/0x1d0
[ 1244.501892] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1244.505270]  aoecmd_cfg+0x1b5/0x640
[ 1244.508813] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1244.512797]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1244.548029]  ? timer_reduce+0x11d0/0x11d0
[ 1244.552921]  discover_timer+0x4e/0x60
[ 1244.556866]  call_timer_fn+0x18d/0x720
[ 1244.560778]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1244.565457]  ? process_timeout+0x40/0x40
[ 1244.569559]  ? run_timer_softirq+0x644/0x16a0
[ 1244.574070]  ? trace_hardirqs_on+0x67/0x220
[ 1244.578510]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1244.583457]  run_timer_softirq+0x64f/0x16a0
[ 1244.587789]  ? add_timer+0xbe0/0xbe0
[ 1244.591696]  ? __lock_is_held+0xb6/0x140
[ 1244.595776]  __do_softirq+0x25c/0x921
[ 1244.599609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1244.605687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1244.611325]  irq_exit+0x180/0x1d0
[ 1244.614803]  smp_apic_timer_interrupt+0x13b/0x550
[ 1244.619669]  apic_timer_interrupt+0xf/0x20
[ 1244.623923]  </IRQ>
[ 1244.626278] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1244.631399] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1244.651170] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1244.659691] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1244.667074] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1244.674819] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1244.682444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1244.689721] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1244.697115]  ? netconsole_netdev_event+0x280/0x280
[ 1244.702138]  ? console_unlock+0xf36/0x10d0
[ 1244.706427]  vprintk_emit+0x280/0x6d0
[ 1244.710269]  vprintk_default+0x28/0x30
[ 1244.714196]  vprintk_func+0x7e/0x189
[ 1244.717930]  printk+0xba/0xed
[ 1244.721039]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1244.725817]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1244.730606]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1244.736473]  dump_header+0x44b/0xa55
[ 1244.740456]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1244.745673]  ? ___ratelimit+0x60/0x595
[ 1244.749663]  ? do_raw_spin_unlock+0x181/0x270
[ 1244.754194]  oom_kill_process.cold+0x10/0x6ef
[ 1244.758743]  ? lock_downgrade+0x880/0x880
[ 1244.763468]  ? kasan_check_read+0x11/0x20
[ 1244.767735]  out_of_memory+0x362/0x1330
[ 1244.771758]  ? oom_killer_disable+0x280/0x280
[ 1244.776272]  ? mutex_trylock+0x18e/0x1e0
[ 1244.780481]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1244.785445]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1244.790315]  ? warn_alloc+0x110/0x110
[ 1244.794150]  ? __lock_is_held+0xb6/0x140
[ 1244.798318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1244.803887]  ? should_fail+0x14d/0x85c
[ 1244.807799]  ? __might_sleep+0x95/0x190
[ 1244.811900]  __alloc_pages_nodemask+0x617/0x750
[ 1244.816577]  ? kasan_check_read+0x11/0x20
[ 1244.820745]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1244.825783]  ? find_get_entry+0x3e1/0xa00
[ 1244.829951]  ? find_get_pages_contig+0xed0/0xed0
[ 1244.834880]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1244.840494]  alloc_pages_current+0x107/0x210
[ 1244.844917]  __page_cache_alloc+0x2bd/0x450
[ 1244.849381]  ? kasan_check_read+0x11/0x20
[ 1244.853814]  filemap_fault+0xfeb/0x1f00
[ 1244.857878]  ? lock_downgrade+0x880/0x880
[ 1244.862083]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1244.867385]  ? lock_acquire+0x16f/0x3f0
[ 1244.871362]  ? ext4_filemap_fault+0x7b/0xaf
[ 1244.875984]  ext4_filemap_fault+0x83/0xaf
[ 1244.880433]  __do_fault+0x111/0x480
[ 1244.884186]  __handle_mm_fault+0x2d78/0x3f80
[ 1244.888604]  ? copy_page_range+0x2030/0x2030
[ 1244.893110]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1244.897799]  handle_mm_fault+0x1b5/0x690
[ 1244.901877]  __do_page_fault+0x62a/0xe90
[ 1244.906085]  ? vmalloc_fault+0x740/0x740
[ 1244.910170]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1244.915632]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1244.920595]  ? page_fault+0x8/0x30
[ 1244.925706]  do_page_fault+0x71/0x57d
[ 1244.929801]  ? page_fault+0x8/0x30
[ 1244.933436]  page_fault+0x1e/0x30
[ 1244.936918] RIP: 0033:0x45b153
[ 1244.940125] Code: Bad RIP value.
[ 1244.943670] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1244.949667] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1244.957787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1244.965743] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1244.973142] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1244.980685] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1244.988176] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1244.988234] aoe: skb alloc failure
[ 1244.995902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1244.995929] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1244.995940] Call Trace:
[ 1244.999631] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1245.009166]  <IRQ>
[ 1245.016279] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1245.018903]  dump_stack+0x197/0x210
[ 1245.040146]  warn_alloc.cold+0x7b/0x173
[ 1245.044208]  ? zone_watermark_ok_safe+0x260/0x260
[ 1245.049140]  ? __cpuset_node_allowed+0x136/0x540
[ 1245.054070]  ? __isolate_free_page+0x4c0/0x4c0
[ 1245.058710]  ? wake_all_kswapds+0x14d/0x300
[ 1245.063180]  __alloc_pages_slowpath+0x2214/0x2870
[ 1245.068381]  ? warn_alloc+0x110/0x110
[ 1245.072212]  ? trace_hardirqs_off+0x62/0x220
[ 1245.076621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1245.082347]  ? should_fail+0x14d/0x85c
[ 1245.086254]  ? __isolate_free_page+0x4c0/0x4c0
[ 1245.090849]  __alloc_pages_nodemask+0x617/0x750
[ 1245.095729]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1245.101118]  ? mark_held_locks+0x100/0x100
[ 1245.106504]  page_frag_alloc+0x541/0x670
[ 1245.110580]  ? check_preemption_disabled+0x48/0x290
[ 1245.115597]  __netdev_alloc_skb+0x20a/0x470
[ 1245.119940]  send_hsr_supervision_frame+0x110/0xfc0
[ 1245.124970]  ? lock_acquire+0x16f/0x3f0
[ 1245.129827]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1245.135309]  hsr_announce+0x12f/0x3b0
[ 1245.139581]  call_timer_fn+0x18d/0x720
[ 1245.143628]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1245.148942]  ? process_timeout+0x40/0x40
[ 1245.153224]  ? run_timer_softirq+0x644/0x16a0
[ 1245.158967]  ? trace_hardirqs_on+0x67/0x220
[ 1245.163316]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1245.168698]  run_timer_softirq+0x64f/0x16a0
[ 1245.173056]  ? add_timer+0xbe0/0xbe0
[ 1245.176779]  ? __lock_is_held+0xb6/0x140
[ 1245.180862]  __do_softirq+0x25c/0x921
[ 1245.184674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1245.190230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1245.195792]  irq_exit+0x180/0x1d0
[ 1245.201263]  smp_apic_timer_interrupt+0x13b/0x550
[ 1245.207031]  apic_timer_interrupt+0xf/0x20
[ 1245.211310]  </IRQ>
[ 1245.213639] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1245.218576] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1245.237943] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1245.246147] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1245.253491] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1245.261036] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1245.268928] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1245.276840] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1245.284229]  ? find_held_lock+0x35/0x130
[ 1245.288305]  ? process_one_work+0x890/0x1750
[ 1245.293056]  skb_clone+0x156/0x3e0
[ 1245.296602]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1245.303421]  process_one_work+0x989/0x1750
[ 1245.307676]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1245.312350]  ? lock_acquire+0x16f/0x3f0
[ 1245.316355]  ? kasan_check_write+0x14/0x20
[ 1245.320602]  ? do_raw_spin_lock+0xd7/0x250
[ 1245.324838]  worker_thread+0x98/0xe40
[ 1245.328764]  ? trace_hardirqs_on+0x67/0x220
[ 1245.333365]  kthread+0x354/0x420
[ 1245.336738]  ? process_one_work+0x1750/0x1750
[ 1245.341361]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1245.346988]  ret_from_fork+0x24/0x30
[ 1245.350818] warn_alloc_show_mem: 1 callbacks suppressed
[ 1245.350829] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1245.350831] Mem-Info:
[ 1245.350861] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1245.350861]  active_file:13 inactive_file:13 isolated_file:0
[ 1245.350861]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1245.350861]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1245.350861]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1245.350861]  free:10948 free_pcp:188 free_cma:0
[ 1245.356651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1245.356662] Call Trace:
[ 1245.364602] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1245.367031]  <IRQ>
[ 1245.400780] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1245.410903]  dump_stack+0x197/0x210
[ 1245.413469] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1245.441958]  warn_alloc.cold+0x7b/0x173
[ 1245.444135] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1245.470926]  ? zone_watermark_ok_safe+0x260/0x260
[ 1245.474869] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1245.501255]  ? __cpuset_node_allowed+0x136/0x540
[ 1245.505204] lowmem_reserve[]: 0 0 1 1 1
[ 1245.510249]  ? __isolate_free_page+0x4c0/0x4c0
[ 1245.515089] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1245.544507]  ? wake_all_kswapds+0x14d/0x300
[ 1245.549328] lowmem_reserve[]: 0 0 0 0 0
[ 1245.553473]  __alloc_pages_slowpath+0x2214/0x2870
[ 1245.558055] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1245.583945]  ? warn_alloc+0x110/0x110
[ 1245.588244] lowmem_reserve[]: 0 0 0 0 0
[ 1245.592216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1245.597231] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1245.625029]  ? should_fail+0x14d/0x85c
[ 1245.628900] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1245.632890]  ? __isolate_free_page+0x4c0/0x4c0
[ 1245.638497] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1245.651548]  __alloc_pages_nodemask+0x617/0x750
[ 1245.655426] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1245.671195]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1245.675864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1245.686523]  cache_grow_begin+0x91/0x8c0
[ 1245.691176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1245.691191] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1245.706993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1245.711991] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1245.720831]  ? __cpuset_node_allowed+0x136/0x540
[ 1245.724941] 279 total pagecache pages
[ 1245.733796]  fallback_alloc+0x1fd/0x2d0
[ 1245.742621] 0 pages in swap cache
[ 1245.748185]  ____cache_alloc_node+0x1be/0x1e0
[ 1245.756755] Swap cache stats: add 0, delete 0, find 0/0
[ 1245.756766] Free swap  = 0kB
[ 1245.761638]  kmem_cache_alloc_node+0xe3/0x710
[ 1245.765417] Total swap = 0kB
[ 1245.765427] 1965979 pages RAM
[ 1245.769415]  __alloc_skb+0xd5/0x5f0
[ 1245.772836] 0 pages HighMem/MovableOnly
[ 1245.777327]  ? skb_trim+0x190/0x190
[ 1245.782778] 341741 pages reserved
[ 1245.782787] 0 pages cma reserved
[ 1245.785875]  ? check_preemption_disabled+0x48/0x290
[ 1245.790515] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1245.793320]  ? lock_acquire+0x16f/0x3f0
[ 1245.796399] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1245.800033]  new_skb+0x28/0x1d0
[ 1245.842024]  aoecmd_cfg+0x1b5/0x640
[ 1245.845656]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1245.849995]  ? timer_reduce+0x11d0/0x11d0
[ 1245.854176]  discover_timer+0x4e/0x60
[ 1245.858002]  call_timer_fn+0x18d/0x720
[ 1245.861885]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1245.866573]  ? process_timeout+0x40/0x40
[ 1245.870628]  ? run_timer_softirq+0x644/0x16a0
[ 1245.875159]  ? trace_hardirqs_on+0x67/0x220
[ 1245.879487]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1245.884165]  run_timer_softirq+0x64f/0x16a0
[ 1245.888525]  ? add_timer+0xbe0/0xbe0
[ 1245.892370]  ? __lock_is_held+0xb6/0x140
[ 1245.896457]  __do_softirq+0x25c/0x921
[ 1245.900268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1245.905832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1245.911395]  irq_exit+0x180/0x1d0
[ 1245.914849]  smp_apic_timer_interrupt+0x13b/0x550
[ 1245.919720]  apic_timer_interrupt+0xf/0x20
[ 1245.923958]  </IRQ>
[ 1245.926199] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1245.931042] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1245.949953] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1245.957657] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1245.965032] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1245.972315] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1245.979587] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1245.986868] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1245.994151]  ? netconsole_netdev_event+0x280/0x280
[ 1245.999107]  ? console_unlock+0xf36/0x10d0
[ 1246.003366]  vprintk_emit+0x280/0x6d0
[ 1246.007232]  vprintk_default+0x28/0x30
[ 1246.011132]  vprintk_func+0x7e/0x189
[ 1246.014854]  printk+0xba/0xed
[ 1246.017956]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1246.022724]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1246.027239]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1246.032287]  dump_header+0x44b/0xa55
[ 1246.036128]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1246.041332]  ? ___ratelimit+0x60/0x595
[ 1246.045221]  ? do_raw_spin_unlock+0x181/0x270
[ 1246.049740]  oom_kill_process.cold+0x10/0x6ef
[ 1246.054270]  ? lock_downgrade+0x880/0x880
[ 1246.058424]  ? kasan_check_read+0x11/0x20
[ 1246.062579]  out_of_memory+0x362/0x1330
[ 1246.066582]  ? oom_killer_disable+0x280/0x280
[ 1246.071074]  ? mutex_trylock+0x18e/0x1e0
[ 1246.075144]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1246.080096]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1246.085133]  ? warn_alloc+0x110/0x110
[ 1246.088927]  ? __lock_is_held+0xb6/0x140
[ 1246.092982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1246.098660]  ? should_fail+0x14d/0x85c
[ 1246.102563]  ? __might_sleep+0x95/0x190
[ 1246.106562]  __alloc_pages_nodemask+0x617/0x750
[ 1246.111239]  ? kasan_check_read+0x11/0x20
[ 1246.115391]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1246.120411]  ? find_get_entry+0x3e1/0xa00
[ 1246.124560]  ? find_get_pages_contig+0xed0/0xed0
[ 1246.129308]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1246.134973]  alloc_pages_current+0x107/0x210
[ 1246.139385]  __page_cache_alloc+0x2bd/0x450
[ 1246.143726]  ? kasan_check_read+0x11/0x20
[ 1246.147896]  filemap_fault+0xfeb/0x1f00
[ 1246.151875]  ? lock_downgrade+0x880/0x880
[ 1246.156045]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1246.160743]  ? lock_acquire+0x16f/0x3f0
[ 1246.164726]  ? ext4_filemap_fault+0x7b/0xaf
[ 1246.169054]  ext4_filemap_fault+0x83/0xaf
[ 1246.173249]  __do_fault+0x111/0x480
[ 1246.176879]  __handle_mm_fault+0x2d78/0x3f80
[ 1246.181286]  ? copy_page_range+0x2030/0x2030
[ 1246.185725]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1246.190401]  handle_mm_fault+0x1b5/0x690
[ 1246.194467]  __do_page_fault+0x62a/0xe90
[ 1246.198547]  ? vmalloc_fault+0x740/0x740
[ 1246.202627]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1246.207636]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1246.212596]  ? page_fault+0x8/0x30
[ 1246.216160]  do_page_fault+0x71/0x57d
[ 1246.219960]  ? page_fault+0x8/0x30
[ 1246.223545]  page_fault+0x1e/0x30
[ 1246.226995] RIP: 0033:0x45b153
[ 1246.230198] Code: Bad RIP value.
[ 1246.233564] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1246.238924] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1246.246309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1246.253605] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1246.260886] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1246.268166] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1246.275469] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1246.275524] aoe: skb alloc failure
[ 1246.283178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1246.283204] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1246.286782] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1246.296116] Call Trace:
[ 1246.303205] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1246.313435]  <IRQ>
[ 1246.322892]  dump_stack+0x197/0x210
[ 1246.326519]  warn_alloc.cold+0x7b/0x173
[ 1246.330507]  ? zone_watermark_ok_safe+0x260/0x260
[ 1246.335385]  ? __cpuset_node_allowed+0x136/0x540
[ 1246.340165]  ? __isolate_free_page+0x4c0/0x4c0
[ 1246.344776]  ? wake_all_kswapds+0x14d/0x300
[ 1246.349102]  __alloc_pages_slowpath+0x2214/0x2870
[ 1246.353995]  ? warn_alloc+0x110/0x110
[ 1246.357833]  ? __lock_acquire+0x6ee/0x49c0
[ 1246.362092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1246.367644]  ? should_fail+0x14d/0x85c
[ 1246.371535]  ? __isolate_free_page+0x4c0/0x4c0
[ 1246.376133]  __alloc_pages_nodemask+0x617/0x750
[ 1246.380807]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1246.385842]  ? find_held_lock+0x35/0x130
[ 1246.389918]  cache_grow_begin+0x91/0x8c0
[ 1246.393980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1246.399517]  ? __cpuset_node_allowed+0x136/0x540
[ 1246.404295]  fallback_alloc+0x1fd/0x2d0
[ 1246.408278]  ____cache_alloc_node+0x1be/0x1e0
[ 1246.412912]  kmem_cache_alloc_node+0xe3/0x710
[ 1246.417438]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1246.421695]  __alloc_skb+0xd5/0x5f0
[ 1246.425324]  ? skb_trim+0x190/0x190
[ 1246.428954]  ? kasan_check_read+0x11/0x20
[ 1246.433129]  ndisc_alloc_skb+0x13c/0x340
[ 1246.437191]  ndisc_send_rs+0x35f/0x6e0
[ 1246.441080]  addrconf_rs_timer+0x30f/0x680
[ 1246.445450]  ? ipv6_get_lladdr+0x490/0x490
[ 1246.449693]  call_timer_fn+0x18d/0x720
[ 1246.453619]  ? ipv6_get_lladdr+0x490/0x490
[ 1246.457852]  ? process_timeout+0x40/0x40
[ 1246.461920]  ? run_timer_softirq+0x644/0x16a0
[ 1246.466434]  ? trace_hardirqs_on+0x67/0x220
[ 1246.470783]  ? ipv6_get_lladdr+0x490/0x490
[ 1246.475028]  run_timer_softirq+0x64f/0x16a0
[ 1246.479357]  ? add_timer+0xbe0/0xbe0
[ 1246.483070]  ? __lock_is_held+0xb6/0x140
[ 1246.487162]  __do_softirq+0x25c/0x921
[ 1246.490969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1246.496575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1246.502142]  irq_exit+0x180/0x1d0
[ 1246.505597]  smp_apic_timer_interrupt+0x13b/0x550
[ 1246.510438]  apic_timer_interrupt+0xf/0x20
[ 1246.514675]  </IRQ>
[ 1246.516920] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1246.521875] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1246.540908] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1246.548640] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1246.555928] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1246.563221] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1246.570487] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1246.577771] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1246.585066]  ? find_held_lock+0x35/0x130
[ 1246.589121]  ? process_one_work+0x890/0x1750
[ 1246.593528]  skb_clone+0x156/0x3e0
[ 1246.597090]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1246.603442]  process_one_work+0x989/0x1750
[ 1246.607709]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1246.612388]  ? lock_acquire+0x16f/0x3f0
[ 1246.616383]  ? kasan_check_write+0x14/0x20
[ 1246.620617]  ? do_raw_spin_lock+0xd7/0x250
[ 1246.624859]  worker_thread+0x98/0xe40
[ 1246.628950]  ? trace_hardirqs_on+0x67/0x220
[ 1246.633283]  kthread+0x354/0x420
[ 1246.636662]  ? process_one_work+0x1750/0x1750
[ 1246.641170]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1246.646730]  ret_from_fork+0x24/0x30
[ 1246.650474] warn_alloc_show_mem: 1 callbacks suppressed
[ 1246.650484] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1246.650486] Mem-Info:
[ 1246.650515] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1246.650515]  active_file:13 inactive_file:13 isolated_file:0
[ 1246.650515]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1246.650515]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1246.650515]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1246.650515]  free:10948 free_pcp:188 free_cma:0
[ 1246.655872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1246.655880] Call Trace:
[ 1246.663348] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1246.665749]  <IRQ>
[ 1246.698955] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1246.708314]  dump_stack+0x197/0x210
[ 1246.710894] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1246.738498]  warn_alloc.cold+0x7b/0x173
[ 1246.740707] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1246.766587]  ? zone_watermark_ok_safe+0x260/0x260
[ 1246.770191] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1246.796525]  ? __cpuset_node_allowed+0x136/0x540
[ 1246.800497] lowmem_reserve[]: 0 0 1 1 1
[ 1246.805645]  ? __isolate_free_page+0x4c0/0x4c0
[ 1246.810465] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1246.839289]  ? wake_all_kswapds+0x14d/0x300
[ 1246.844035] lowmem_reserve[]: 0 0 0 0 0
[ 1246.848023]  __alloc_pages_slowpath+0x2214/0x2870
[ 1246.852580] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1246.878382]  ? warn_alloc+0x110/0x110
[ 1246.882657] lowmem_reserve[]: 0 0 0 0 0
[ 1246.886625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1246.891461] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1246.919236]  ? should_fail+0x14d/0x85c
[ 1246.923012] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1246.926986]  ? __isolate_free_page+0x4c0/0x4c0
[ 1246.932506] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1246.945014]  __alloc_pages_nodemask+0x617/0x750
[ 1246.948870] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1246.964146]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1246.968739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1246.979430]  cache_grow_begin+0x91/0x8c0
[ 1246.984081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1246.999975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1247.004988] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1247.013930]  ? __cpuset_node_allowed+0x136/0x540
[ 1247.017961] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1247.026533]  fallback_alloc+0x1fd/0x2d0
[ 1247.032048] 279 total pagecache pages
[ 1247.040884]  ____cache_alloc_node+0x1be/0x1e0
[ 1247.045619] 0 pages in swap cache
[ 1247.054206]  kmem_cache_alloc_node+0xe3/0x710
[ 1247.058152] Swap cache stats: add 0, delete 0, find 0/0
[ 1247.061948]  __alloc_skb+0xd5/0x5f0
[ 1247.066408] Free swap  = 0kB
[ 1247.069851]  ? skb_trim+0x190/0x190
[ 1247.074343] Total swap = 0kB
[ 1247.074353] 1965979 pages RAM
[ 1247.079720]  ? check_preemption_disabled+0x48/0x290
[ 1247.083307] 0 pages HighMem/MovableOnly
[ 1247.083315] 341741 pages reserved
[ 1247.086333]  ? lock_acquire+0x16f/0x3f0
[ 1247.089946] 0 pages cma reserved
[ 1247.092979]  new_skb+0x28/0x1d0
[ 1247.096123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1247.101090]  aoecmd_cfg+0x1b5/0x640
[ 1247.105198] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1247.108488]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1247.112452] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1247.115903]  ? timer_reduce+0x11d0/0x11d0
[ 1247.152079]  discover_timer+0x4e/0x60
[ 1247.155888]  call_timer_fn+0x18d/0x720
[ 1247.159855]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1247.164519]  ? process_timeout+0x40/0x40
[ 1247.168602]  ? run_timer_softirq+0x644/0x16a0
[ 1247.173120]  ? trace_hardirqs_on+0x67/0x220
[ 1247.177445]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1247.182131]  run_timer_softirq+0x64f/0x16a0
[ 1247.186497]  ? add_timer+0xbe0/0xbe0
[ 1247.190222]  ? __lock_is_held+0xb6/0x140
[ 1247.194386]  __do_softirq+0x25c/0x921
[ 1247.198215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1247.203754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1247.209330]  irq_exit+0x180/0x1d0
[ 1247.212799]  smp_apic_timer_interrupt+0x13b/0x550
[ 1247.217644]  apic_timer_interrupt+0xf/0x20
[ 1247.221989]  </IRQ>
[ 1247.224227] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1247.229070] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1247.247980] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1247.255811] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1247.263088] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1247.270353] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1247.277616] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1247.284878] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1247.292186]  ? netconsole_netdev_event+0x280/0x280
[ 1247.297136]  ? console_unlock+0xf36/0x10d0
[ 1247.301403]  vprintk_emit+0x280/0x6d0
[ 1247.305210]  vprintk_default+0x28/0x30
[ 1247.309090]  vprintk_func+0x7e/0x189
[ 1247.312801]  printk+0xba/0xed
[ 1247.315902]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1247.320674]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1247.325183]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1247.330217]  dump_header+0x44b/0xa55
[ 1247.333929]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1247.339028]  ? ___ratelimit+0x60/0x595
[ 1247.342923]  ? do_raw_spin_unlock+0x181/0x270
[ 1247.347434]  oom_kill_process.cold+0x10/0x6ef
[ 1247.351928]  ? lock_downgrade+0x880/0x880
[ 1247.356199]  ? kasan_check_read+0x11/0x20
[ 1247.360364]  out_of_memory+0x362/0x1330
[ 1247.364343]  ? oom_killer_disable+0x280/0x280
[ 1247.368859]  ? mutex_trylock+0x18e/0x1e0
[ 1247.372931]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1247.377880]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1247.382737]  ? warn_alloc+0x110/0x110
[ 1247.386532]  ? __lock_is_held+0xb6/0x140
[ 1247.390597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1247.396130]  ? should_fail+0x14d/0x85c
[ 1247.400039]  ? __might_sleep+0x95/0x190
[ 1247.404028]  __alloc_pages_nodemask+0x617/0x750
[ 1247.408711]  ? kasan_check_read+0x11/0x20
[ 1247.412863]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1247.418048]  ? find_get_entry+0x3e1/0xa00
[ 1247.422198]  ? find_get_pages_contig+0xed0/0xed0
[ 1247.426951]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1247.432644]  alloc_pages_current+0x107/0x210
[ 1247.437062]  __page_cache_alloc+0x2bd/0x450
[ 1247.441378]  ? kasan_check_read+0x11/0x20
[ 1247.445616]  filemap_fault+0xfeb/0x1f00
[ 1247.449587]  ? lock_downgrade+0x880/0x880
[ 1247.453735]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1247.458452]  ? lock_acquire+0x16f/0x3f0
[ 1247.462446]  ? ext4_filemap_fault+0x7b/0xaf
[ 1247.466774]  ext4_filemap_fault+0x83/0xaf
[ 1247.470934]  __do_fault+0x111/0x480
[ 1247.474566]  __handle_mm_fault+0x2d78/0x3f80
[ 1247.479046]  ? copy_page_range+0x2030/0x2030
[ 1247.483477]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1247.488164]  handle_mm_fault+0x1b5/0x690
[ 1247.492254]  __do_page_fault+0x62a/0xe90
[ 1247.496338]  ? vmalloc_fault+0x740/0x740
[ 1247.500409]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1247.505420]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1247.510354]  ? page_fault+0x8/0x30
[ 1247.513892]  do_page_fault+0x71/0x57d
[ 1247.517710]  ? page_fault+0x8/0x30
[ 1247.521267]  page_fault+0x1e/0x30
[ 1247.524714] RIP: 0033:0x45b153
[ 1247.528008] Code: Bad RIP value.
[ 1247.531368] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1247.536731] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1247.544616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1247.552027] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1247.559295] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1247.566554] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1247.573842] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1247.573899] aoe: skb alloc failure
[ 1247.581565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1247.581592] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1247.581599] Call Trace:
[ 1247.581605]  <IRQ>
[ 1247.581623]  dump_stack+0x197/0x210
[ 1247.581644]  warn_alloc.cold+0x7b/0x173
[ 1247.585207] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1247.594563]  ? zone_watermark_ok_safe+0x260/0x260
[ 1247.601638] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1247.604219]  ? __cpuset_node_allowed+0x136/0x540
[ 1247.638519]  ? __isolate_free_page+0x4c0/0x4c0
[ 1247.643142]  ? wake_all_kswapds+0x14d/0x300
[ 1247.647494]  __alloc_pages_slowpath+0x2214/0x2870
[ 1247.652371]  ? warn_alloc+0x110/0x110
[ 1247.656191]  ? lock_downgrade+0x880/0x880
[ 1247.660356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1247.665894]  ? should_fail+0x14d/0x85c
[ 1247.669785]  ? __isolate_free_page+0x4c0/0x4c0
[ 1247.674379]  __alloc_pages_nodemask+0x617/0x750
[ 1247.679052]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1247.684068]  ? mark_held_locks+0x100/0x100
[ 1247.688296]  ? mod_timer+0x576/0x1030
[ 1247.692111]  page_frag_alloc+0x541/0x670
[ 1247.696185]  ? check_preemption_disabled+0x48/0x290
[ 1247.701202]  __netdev_alloc_skb+0x20a/0x470
[ 1247.705548]  send_hsr_supervision_frame+0x110/0xfc0
[ 1247.710567]  ? lock_acquire+0x16f/0x3f0
[ 1247.714545]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1247.719576]  hsr_announce+0x12f/0x3b0
[ 1247.723391]  call_timer_fn+0x18d/0x720
[ 1247.727276]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1247.732595]  ? process_timeout+0x40/0x40
[ 1247.736650]  ? run_timer_softirq+0x644/0x16a0
[ 1247.741167]  ? trace_hardirqs_on+0x67/0x220
[ 1247.745500]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1247.750689]  run_timer_softirq+0x64f/0x16a0
[ 1247.755020]  ? add_timer+0xbe0/0xbe0
[ 1247.758735]  ? __lock_is_held+0xb6/0x140
[ 1247.762799]  __do_softirq+0x25c/0x921
[ 1247.766589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1247.772137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1247.777694]  irq_exit+0x180/0x1d0
[ 1247.781168]  smp_apic_timer_interrupt+0x13b/0x550
[ 1247.786027]  apic_timer_interrupt+0xf/0x20
[ 1247.790248]  </IRQ>
[ 1247.792502] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1247.797437] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1247.816353] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1247.824056] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1247.831347] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1247.838622] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1247.845905] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1247.853185] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1247.860491]  ? find_held_lock+0x35/0x130
[ 1247.864574]  ? process_one_work+0x890/0x1750
[ 1247.868988]  skb_clone+0x156/0x3e0
[ 1247.872544]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1247.879090]  process_one_work+0x989/0x1750
[ 1247.883328]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1247.888002]  ? lock_acquire+0x16f/0x3f0
[ 1247.892105]  ? kasan_check_write+0x14/0x20
[ 1247.896355]  ? do_raw_spin_lock+0xd7/0x250
[ 1247.900606]  worker_thread+0x98/0xe40
[ 1247.904417]  ? trace_hardirqs_on+0x67/0x220
[ 1247.908748]  kthread+0x354/0x420
[ 1247.912227]  ? process_one_work+0x1750/0x1750
[ 1247.916718]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1247.922254]  ret_from_fork+0x24/0x30
[ 1247.925969] warn_alloc_show_mem: 1 callbacks suppressed
[ 1247.925979] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1247.925981] Mem-Info:
[ 1247.926009] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1247.926009]  active_file:13 inactive_file:13 isolated_file:0
[ 1247.926009]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1247.926009]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1247.926009]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1247.926009]  free:10948 free_pcp:188 free_cma:0
[ 1247.931359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1247.938894] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1247.941283] Call Trace:
[ 1247.974338] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1247.983676]  <IRQ>
[ 1248.011243] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1248.013828]  dump_stack+0x197/0x210
[ 1248.039644] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1248.041792]  warn_alloc.cold+0x7b/0x173
[ 1248.068026] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1248.071676]  ? zone_watermark_ok_safe+0x260/0x260
[ 1248.076679] lowmem_reserve[]: 0 0 1 1 1
[ 1248.080657]  ? __cpuset_node_allowed+0x136/0x540
[ 1248.109456] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1248.114316]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.118253] lowmem_reserve[]: 0 0 0 0 0
[ 1248.123009]  ? wake_all_kswapds+0x14d/0x300
[ 1248.148762] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1248.153359]  __alloc_pages_slowpath+0x2214/0x2870
[ 1248.157292] lowmem_reserve[]: 0 0 0 0 0
[ 1248.161643]  ? warn_alloc+0x110/0x110
[ 1248.189374] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1248.194234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1248.198174] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1248.201974]  ? should_fail+0x14d/0x85c
[ 1248.214430] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1248.220232]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.235461] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1248.239349]  __alloc_pages_nodemask+0x617/0x750
[ 1248.249996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1248.254565]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1248.270322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1248.274993]  cache_grow_begin+0x91/0x8c0
[ 1248.283798] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1248.288811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1248.297372] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1248.297382] 279 total pagecache pages
[ 1248.301467]  ? __cpuset_node_allowed+0x136/0x540
[ 1248.310296] 0 pages in swap cache
[ 1248.315845]  fallback_alloc+0x1fd/0x2d0
[ 1248.324398] Swap cache stats: add 0, delete 0, find 0/0
[ 1248.328196]  ____cache_alloc_node+0x1be/0x1e0
[ 1248.332939] Free swap  = 0kB
[ 1248.336381]  kmem_cache_alloc_node+0xe3/0x710
[ 1248.340325] Total swap = 0kB
[ 1248.340334] 1965979 pages RAM
[ 1248.345697]  __alloc_skb+0xd5/0x5f0
[ 1248.350153] 0 pages HighMem/MovableOnly
[ 1248.350161] 341741 pages reserved
[ 1248.353169]  ? skb_trim+0x190/0x190
[ 1248.357643] 0 pages cma reserved
[ 1248.357755] kworker/u4:2: page allocation failure: order:0, mode:0x480020(GFP_ATOMIC), nodemask=(null)
[ 1248.360667]  ? check_preemption_disabled+0x48/0x290
[ 1248.363744] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1248.367503]  ? lock_acquire+0x16f/0x3f0
[ 1248.405293]  new_skb+0x28/0x1d0
[ 1248.408586]  aoecmd_cfg+0x1b5/0x640
[ 1248.412219]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1248.416545]  ? timer_reduce+0x11d0/0x11d0
[ 1248.420702]  discover_timer+0x4e/0x60
[ 1248.424500]  call_timer_fn+0x18d/0x720
[ 1248.428402]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1248.433161]  ? process_timeout+0x40/0x40
[ 1248.437227]  ? run_timer_softirq+0x644/0x16a0
[ 1248.441727]  ? trace_hardirqs_on+0x67/0x220
[ 1248.446064]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1248.450749]  run_timer_softirq+0x64f/0x16a0
[ 1248.455076]  ? add_timer+0xbe0/0xbe0
[ 1248.458788]  ? __lock_is_held+0xb6/0x140
[ 1248.462869]  __do_softirq+0x25c/0x921
[ 1248.466665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1248.472193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1248.477747]  irq_exit+0x180/0x1d0
[ 1248.482865]  smp_apic_timer_interrupt+0x13b/0x550
[ 1248.487716]  apic_timer_interrupt+0xf/0x20
[ 1248.491950]  </IRQ>
[ 1248.494198] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1248.499034] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1248.517943] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1248.525657] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1248.532932] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1248.540207] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1248.547501] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1248.554830] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1248.562125]  ? netconsole_netdev_event+0x280/0x280
[ 1248.567068]  ? console_unlock+0xf36/0x10d0
[ 1248.571320]  vprintk_emit+0x280/0x6d0
[ 1248.575119]  vprintk_default+0x28/0x30
[ 1248.579016]  vprintk_func+0x7e/0x189
[ 1248.582742]  printk+0xba/0xed
[ 1248.585841]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1248.590603]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1248.595129]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1248.600148]  dump_header+0x44b/0xa55
[ 1248.603857]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1248.609016]  ? ___ratelimit+0x60/0x595
[ 1248.612896]  ? do_raw_spin_unlock+0x181/0x270
[ 1248.617396]  oom_kill_process.cold+0x10/0x6ef
[ 1248.621903]  ? lock_downgrade+0x880/0x880
[ 1248.626070]  ? kasan_check_read+0x11/0x20
[ 1248.630231]  out_of_memory+0x362/0x1330
[ 1248.634206]  ? oom_killer_disable+0x280/0x280
[ 1248.638727]  ? mutex_trylock+0x18e/0x1e0
[ 1248.642790]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1248.647733]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1248.652604]  ? warn_alloc+0x110/0x110
[ 1248.656414]  ? __lock_is_held+0xb6/0x140
[ 1248.660506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1248.666054]  ? should_fail+0x14d/0x85c
[ 1248.669974]  ? __might_sleep+0x95/0x190
[ 1248.673947]  __alloc_pages_nodemask+0x617/0x750
[ 1248.678607]  ? kasan_check_read+0x11/0x20
[ 1248.682760]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1248.687885]  ? find_get_entry+0x3e1/0xa00
[ 1248.692049]  ? find_get_pages_contig+0xed0/0xed0
[ 1248.696799]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1248.702349]  alloc_pages_current+0x107/0x210
[ 1248.706772]  __page_cache_alloc+0x2bd/0x450
[ 1248.711090]  ? kasan_check_read+0x11/0x20
[ 1248.715341]  filemap_fault+0xfeb/0x1f00
[ 1248.719345]  ? lock_downgrade+0x880/0x880
[ 1248.723501]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1248.728172]  ? lock_acquire+0x16f/0x3f0
[ 1248.732161]  ? ext4_filemap_fault+0x7b/0xaf
[ 1248.736606]  ext4_filemap_fault+0x83/0xaf
[ 1248.740764]  __do_fault+0x111/0x480
[ 1248.744391]  __handle_mm_fault+0x2d78/0x3f80
[ 1248.748829]  ? copy_page_range+0x2030/0x2030
[ 1248.753266]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1248.757983]  handle_mm_fault+0x1b5/0x690
[ 1248.762078]  __do_page_fault+0x62a/0xe90
[ 1248.766158]  ? vmalloc_fault+0x740/0x740
[ 1248.770228]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1248.775244]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1248.780176]  ? page_fault+0x8/0x30
[ 1248.783754]  do_page_fault+0x71/0x57d
[ 1248.787595]  ? page_fault+0x8/0x30
[ 1248.791147]  page_fault+0x1e/0x30
[ 1248.794626] RIP: 0033:0x45b153
[ 1248.797822] Code: Bad RIP value.
[ 1248.801186] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1248.806542] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1248.813915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1248.821185] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1248.828457] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1248.835739] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1248.843042] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1248.843072] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 1248.850779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1248.850807] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1248.857317] rcu: 	1-...!: (309 ticks this GP) idle=eea/1/0x4000000000000002 softirq=100734/100735 fqs=24 
[ 1248.866390] Call Trace:
[ 1248.866397]  <IRQ>
[ 1248.866419]  dump_stack+0x197/0x210
[ 1248.866437]  warn_alloc.cold+0x7b/0x173
[ 1248.866450]  ? zone_watermark_ok_safe+0x260/0x260
[ 1248.866465]  ? __cpuset_node_allowed+0x136/0x540
[ 1248.866483]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.866495]  ? wake_all_kswapds+0x14d/0x300
[ 1248.866513]  __alloc_pages_slowpath+0x2214/0x2870
[ 1248.866540]  ? warn_alloc+0x110/0x110
[ 1248.866554]  ? debug_object_activate+0x206/0x4e0
[ 1248.866567]  ? find_held_lock+0x35/0x130
[ 1248.866577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1248.866589]  ? should_fail+0x14d/0x85c
[ 1248.866608]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.866640]  __alloc_pages_nodemask+0x617/0x750
[ 1248.866662]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1248.866685]  ? mark_held_locks+0x100/0x100
[ 1248.874122] rcu: 	(detected by 0, t=10615 jiffies, g=120605, q=81)
[ 1248.884369]  ? lockdep_hardirqs_on+0x19b/0x5d0
[ 1248.886936] Sending NMI from CPU 0 to CPUs 1:
[ 1248.889081]  page_frag_alloc+0x541/0x670
[ 1248.895021] NMI backtrace for cpu 1
[ 1248.895029] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1248.895036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1248.895043] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1248.895050] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
[ 1248.895063] Code: 41 bc f4 ff ff ff e8 73 60 ea ff 48 c7 05 14 ef 5d 09 00 00 00 00 e9 96 e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 f8 10
[ 1248.895068] RSP: 0018:ffff8880ae9070b8 EFLAGS: 00000046
[ 1248.895077] RAX: 0000000000000102 RBX: 000000000000000a RCX: ffffffff874f84b7
[ 1248.895083] RDX: 000000000000000a RSI: 000000000000000a RDI: 0000000000000001
[ 1248.895089] RBP: ffff8880ae9071e8 R08: ffff888029e62700 R09: fffffbfff15888a5
[ 1248.895095] R10: fffffbfff15888a4 R11: ffffffff8ac44520 R12: 00000000000004e0
[ 1248.895101] R13: 0000000000000000 R14: 000000000000000a R15: ffffffff8ac44521
[ 1248.895107] FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[ 1248.895112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1248.895119] CR2: 000000000045c41f CR3: 0000000069edb000 CR4: 00000000001406e0
[ 1248.895125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1248.895131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1248.895134] Call Trace:
[ 1248.895137]  <IRQ>
[ 1248.895141]  ? number+0xb68/0xc70
[ 1248.895144]  ? skip_atoi+0xb4/0xe0
[ 1248.895148]  ? put_dec+0xd0/0xd0
[ 1248.895152]  ? enable_ptr_key_workfn+0x30/0x30
[ 1248.895156]  vsnprintf+0x26b/0x19a0
[ 1248.895160]  ? pointer+0x970/0x970
[ 1248.895164]  ? mark_held_locks+0x100/0x100
[ 1248.895167]  sprintf+0xc0/0x100
[ 1248.895171]  ? scnprintf+0x140/0x140
[ 1248.895175]  ? mark_held_locks+0x100/0x100
[ 1248.895179]  ? find_held_lock+0x35/0x130
[ 1248.895183]  ? down_trylock+0x4f/0x70
[ 1248.895187]  print_prefix+0x386/0x3f0
[ 1248.895191]  msg_print_text+0xc9/0x1c0
[ 1248.895195]  console_unlock+0x3a5/0x10d0
[ 1248.895199]  vprintk_emit+0x280/0x6d0
[ 1248.895203]  vprintk_default+0x28/0x30
[ 1248.895206]  vprintk_func+0x7e/0x189
[ 1248.895210]  printk+0xba/0xed
[ 1248.895214]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1248.895224]  ? is_bpf_text_address+0xd3/0x170
[ 1248.895228]  ? page_frag_alloc+0x541/0x670
[ 1248.895232]  show_trace_log_lvl+0x23a/0x28c
[ 1248.895236]  ? page_frag_alloc+0x541/0x670
[ 1248.895240]  ? page_frag_alloc+0x541/0x670
[ 1248.895244]  show_stack+0x39/0x3b
[ 1248.895248]  dump_stack+0x197/0x210
[ 1248.895252]  warn_alloc.cold+0x7b/0x173
[ 1248.895257]  ? zone_watermark_ok_safe+0x260/0x260
[ 1248.895261]  ? __cpuset_node_allowed+0x136/0x540
[ 1248.895265]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.895269]  ? wake_all_kswapds+0x14d/0x300
[ 1248.895274]  __alloc_pages_slowpath+0x2214/0x2870
[ 1248.895278]  ? warn_alloc+0x110/0x110
[ 1248.895282]  ? debug_object_activate+0x206/0x4e0
[ 1248.895286]  ? find_held_lock+0x35/0x130
[ 1248.895291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1248.895295]  ? should_fail+0x14d/0x85c
[ 1248.895299]  ? __isolate_free_page+0x4c0/0x4c0
[ 1248.895304]  __alloc_pages_nodemask+0x617/0x750
[ 1248.895308]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1248.895312]  ? mark_held_locks+0x100/0x100
[ 1248.895317]  ? lockdep_hardirqs_on+0x19b/0x5d0
[ 1248.895321]  page_frag_alloc+0x541/0x670
[ 1248.895325]  ? check_preemption_disabled+0x48/0x290
[ 1248.895330]  __netdev_alloc_skb+0x20a/0x470
[ 1248.895334]  send_hsr_supervision_frame+0x110/0xfc0
[ 1248.895338]  ? lock_acquire+0x16f/0x3f0
[ 1248.895343]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1248.895347]  hsr_announce+0x12f/0x3b0
[ 1248.895351]  call_timer_fn+0x18d/0x720
[ 1248.895356]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1248.895360]  ? process_timeout+0x40/0x40
[ 1248.895364]  ? run_timer_softirq+0x644/0x16a0
[ 1248.895368]  ? trace_hardirqs_on+0x67/0x220
[ 1248.895373]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1248.895377]  run_timer_softirq+0x64f/0x16a0
[ 1248.895381]  ? add_timer+0xbe0/0xbe0
[ 1248.895385]  ? __lock_is_held+0xb6/0x140
[ 1248.895389]  __do_softirq+0x25c/0x921
[ 1248.895394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1248.895399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1248.895402]  irq_exit+0x180/0x1d0
[ 1248.895407]  smp_apic_timer_interrupt+0x13b/0x550
[ 1248.895411]  apic_timer_interrupt+0xf/0x20
[ 1248.895414]  </IRQ>
[ 1248.895418] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1248.895431] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1248.895436] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1248.895446] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1248.895452] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1248.895458] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1248.895464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1248.895469] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1248.895473]  ? find_held_lock+0x35/0x130
[ 1248.895478]  ? process_one_work+0x890/0x1750
[ 1248.895481]  skb_clone+0x156/0x3e0
[ 1248.895487]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1248.895491]  process_one_work+0x989/0x1750
[ 1248.895495]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1248.895499]  ? lock_acquire+0x16f/0x3f0
[ 1248.895503]  ? kasan_check_write+0x14/0x20
[ 1248.895507]  ? do_raw_spin_lock+0xd7/0x250
[ 1248.895510]  worker_thread+0x98/0xe40
[ 1248.895514]  ? trace_hardirqs_on+0x67/0x220
[ 1248.895518]  kthread+0x354/0x420
[ 1248.895522]  ? process_one_work+0x1750/0x1750
[ 1248.895527]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1248.895531]  ret_from_fork+0x24/0x30
[ 1248.895549] rcu: rcu_preempt kthread starved for 10547 jiffies! g120605 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 1248.897760]  ? check_preemption_disabled+0x48/0x290
[ 1248.902710] rcu: RCU grace-period kthread stack dump:
[ 1248.907489]  __netdev_alloc_skb+0x20a/0x470
[ 1248.912194] rcu_preempt     R  running task    29488    10      2 0x80000000
[ 1248.916537]  send_hsr_supervision_frame+0x110/0xfc0
[ 1248.921343] Call Trace:
[ 1248.925142]  ? lock_acquire+0x16f/0x3f0
[ 1248.925164]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 1248.929912]  __schedule+0x866/0x1dc0
[ 1248.933973]  hsr_announce+0x12f/0x3b0
[ 1248.939518]  ? firmware_map_remove+0x1a6/0x1a6
[ 1248.943384]  call_timer_fn+0x18d/0x720
[ 1248.947951]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 1248.952615]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1248.957630]  ? lockdep_hardirqs_on+0x415/0x5d0
[ 1248.961860]  ? process_timeout+0x40/0x40
[ 1248.968179]  ? trace_hardirqs_on+0x67/0x220
[ 1248.972754]  ? run_timer_softirq+0x644/0x16a0
[ 1248.977248]  schedule+0x92/0x1c0
[ 1248.981305]  ? trace_hardirqs_on+0x67/0x220
[ 1248.984919]  schedule_timeout+0x4db/0xfc0
[ 1248.992625]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[ 1249.002079]  ? usleep_range+0x170/0x170
[ 1249.009163]  run_timer_softirq+0x64f/0x16a0
[ 1249.014539]  ? trace_hardirqs_on+0x67/0x220
[ 1249.033448]  ? add_timer+0xbe0/0xbe0
[ 1249.038896]  ? __next_timer_interrupt+0x1a0/0x1a0
[ 1249.046169]  ? __lock_is_held+0xb6/0x140
[ 1249.053435]  ? prepare_to_swait_exclusive+0x120/0x120
[ 1249.060710]  __do_softirq+0x25c/0x921
[ 1249.067990]  rcu_gp_kthread+0xd4e/0x21c0
[ 1249.075270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1249.083508]  ? rcu_blocking_is_gp+0x90/0x90
[ 1249.089364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1249.089392]  irq_exit+0x180/0x1d0
[ 1249.096659]  ? trace_hardirqs_on+0x67/0x220
[ 1249.103949]  smp_apic_timer_interrupt+0x13b/0x550
[ 1249.111225]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1249.113851]  apic_timer_interrupt+0xf/0x20
[ 1249.115993]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 1249.119449]  </IRQ>
[ 1249.122989]  ? __kthread_parkme+0xfb/0x1b0
[ 1249.126370] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1249.130953]  kthread+0x354/0x420
[ 1249.134554] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1249.138195]  ? rcu_blocking_is_gp+0x90/0x90
[ 1249.142417] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1249.145725]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1249.149413] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1249.149425] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1249.153664]  ret_from_fork+0x24/0x30
[ 1249.157693] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1249.157704] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1249.161940] aoe: skb alloc failure
[ 1249.165412] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1249.165449]  ? find_held_lock+0x35/0x130
[ 1249.169342] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1249.173370]  ? process_one_work+0x890/0x1750
[ 1249.177159] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1249.181041]  skb_clone+0x156/0x3e0
[ 1249.842883]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1249.849211]  process_one_work+0x989/0x1750
[ 1249.853475]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1249.858141]  ? lock_acquire+0x16f/0x3f0
[ 1249.862128]  ? kasan_check_write+0x14/0x20
[ 1249.866360]  ? do_raw_spin_lock+0xd7/0x250
[ 1249.870622]  worker_thread+0x98/0xe40
[ 1249.874432]  ? trace_hardirqs_on+0x67/0x220
[ 1249.878760]  kthread+0x354/0x420
[ 1249.882139]  ? process_one_work+0x1750/0x1750
[ 1249.886629]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1249.892235]  ret_from_fork+0x24/0x30
[ 1249.895963] warn_alloc_show_mem: 1 callbacks suppressed
[ 1249.895974] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1249.895976] Mem-Info:
[ 1249.896005] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1249.896005]  active_file:13 inactive_file:13 isolated_file:0
[ 1249.896005]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1249.896005]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1249.896005]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1249.896005]  free:10948 free_pcp:188 free_cma:0
[ 1249.901343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1249.908791] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1249.911303] Call Trace:
[ 1249.944480] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1249.953825]  <IRQ>
[ 1249.981522] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1249.984150]  dump_stack+0x197/0x210
[ 1250.009964] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1250.012154]  warn_alloc.cold+0x7b/0x173
[ 1250.039212] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1250.042867]  ? zone_watermark_ok_safe+0x260/0x260
[ 1250.047857] lowmem_reserve[]: 0 0 1 1 1
[ 1250.051833]  ? __cpuset_node_allowed+0x136/0x540
[ 1250.080633] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1250.085503]  ? __isolate_free_page+0x4c0/0x4c0
[ 1250.089436] lowmem_reserve[]: 0 0 0 0 0
[ 1250.094308]  ? wake_all_kswapds+0x14d/0x300
[ 1250.120235] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1250.124841]  __alloc_pages_slowpath+0x2214/0x2870
[ 1250.128899] lowmem_reserve[]: 0 0 0 0 0
[ 1250.133266]  ? warn_alloc+0x110/0x110
[ 1250.161105] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1250.165969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1250.169910] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1250.173726]  ? should_fail+0x14d/0x85c
[ 1250.186284] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1250.191961]  ? __isolate_free_page+0x4c0/0x4c0
[ 1250.207300] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1250.211215]  __alloc_pages_nodemask+0x617/0x750
[ 1250.221877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1250.226489]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1250.242381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1250.247336]  cache_grow_begin+0x91/0x8c0
[ 1250.256155] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1250.256170] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1250.261201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1250.269860] 279 total pagecache pages
[ 1250.269879] 0 pages in swap cache
[ 1250.273948]  ? __cpuset_node_allowed+0x136/0x540
[ 1250.282763] Swap cache stats: add 0, delete 0, find 0/0
[ 1250.291370]  fallback_alloc+0x1fd/0x2d0
[ 1250.296890] Free swap  = 0kB
[ 1250.296900] Total swap = 0kB
[ 1250.300709]  ____cache_alloc_node+0x1be/0x1e0
[ 1250.304149] 1965979 pages RAM
[ 1250.308915]  kmem_cache_alloc_node+0xe3/0x710
[ 1250.314275] 0 pages HighMem/MovableOnly
[ 1250.318272]  __alloc_skb+0xd5/0x5f0
[ 1250.321259] 341741 pages reserved
[ 1250.321268] 0 pages cma reserved
[ 1250.324309]  ? skb_trim+0x190/0x190
[ 1250.328988] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.085 msecs
[ 1250.331901]  ? check_preemption_disabled+0x48/0x290
[ 1250.336514] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1250.340470]  ? lock_acquire+0x16f/0x3f0
[ 1250.344072] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1250.347553]  new_skb+0x28/0x1d0
[ 1250.390597]  aoecmd_cfg+0x1b5/0x640
[ 1250.394237]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1250.398592]  ? timer_reduce+0x11d0/0x11d0
[ 1250.402781]  discover_timer+0x4e/0x60
[ 1250.406591]  call_timer_fn+0x18d/0x720
[ 1250.410475]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1250.415137]  ? process_timeout+0x40/0x40
[ 1250.419191]  ? run_timer_softirq+0x644/0x16a0
[ 1250.423707]  ? trace_hardirqs_on+0x67/0x220
[ 1250.428056]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1250.432761]  run_timer_softirq+0x64f/0x16a0
[ 1250.437103]  ? add_timer+0xbe0/0xbe0
[ 1250.440829]  ? __lock_is_held+0xb6/0x140
[ 1250.444900]  __do_softirq+0x25c/0x921
[ 1250.448723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1250.454290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1250.459853]  irq_exit+0x180/0x1d0
[ 1250.465406]  smp_apic_timer_interrupt+0x13b/0x550
[ 1250.470250]  apic_timer_interrupt+0xf/0x20
[ 1250.474586]  </IRQ>
[ 1250.476841] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1250.481678] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1250.500693] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1250.508395] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1250.515671] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1250.523062] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1250.530340] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1250.537628] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1250.544922]  ? netconsole_netdev_event+0x280/0x280
[ 1250.549866]  ? console_unlock+0xf36/0x10d0
[ 1250.554114]  vprintk_emit+0x280/0x6d0
[ 1250.557935]  vprintk_default+0x28/0x30
[ 1250.561832]  vprintk_func+0x7e/0x189
[ 1250.565541]  printk+0xba/0xed
[ 1250.568661]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1250.573440]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1250.577940]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1250.582962]  dump_header+0x44b/0xa55
[ 1250.586706]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1250.591825]  ? ___ratelimit+0x60/0x595
[ 1250.595708]  ? do_raw_spin_unlock+0x181/0x270
[ 1250.600202]  oom_kill_process.cold+0x10/0x6ef
[ 1250.604717]  ? lock_downgrade+0x880/0x880
[ 1250.608883]  ? kasan_check_read+0x11/0x20
[ 1250.613034]  out_of_memory+0x362/0x1330
[ 1250.617029]  ? oom_killer_disable+0x280/0x280
[ 1250.621554]  ? mutex_trylock+0x18e/0x1e0
[ 1250.625644]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1250.630580]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1250.635459]  ? warn_alloc+0x110/0x110
[ 1250.639272]  ? __lock_is_held+0xb6/0x140
[ 1250.643337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1250.649146]  ? should_fail+0x14d/0x85c
[ 1250.653064]  ? __might_sleep+0x95/0x190
[ 1250.657045]  __alloc_pages_nodemask+0x617/0x750
[ 1250.661726]  ? kasan_check_read+0x11/0x20
[ 1250.665875]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1250.670903]  ? find_get_entry+0x3e1/0xa00
[ 1250.675070]  ? find_get_pages_contig+0xed0/0xed0
[ 1250.679825]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1250.685386]  alloc_pages_current+0x107/0x210
[ 1250.689809]  __page_cache_alloc+0x2bd/0x450
[ 1250.694129]  ? kasan_check_read+0x11/0x20
[ 1250.698321]  filemap_fault+0xfeb/0x1f00
[ 1250.702302]  ? lock_downgrade+0x880/0x880
[ 1250.706458]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1250.711142]  ? lock_acquire+0x16f/0x3f0
[ 1250.715126]  ? ext4_filemap_fault+0x7b/0xaf
[ 1250.719461]  ext4_filemap_fault+0x83/0xaf
[ 1250.723634]  __do_fault+0x111/0x480
[ 1250.727258]  __handle_mm_fault+0x2d78/0x3f80
[ 1250.731675]  ? copy_page_range+0x2030/0x2030
[ 1250.736098]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1250.740779]  handle_mm_fault+0x1b5/0x690
[ 1250.744957]  __do_page_fault+0x62a/0xe90
[ 1250.749021]  ? vmalloc_fault+0x740/0x740
[ 1250.753110]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1250.758133]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1250.763064]  ? page_fault+0x8/0x30
[ 1250.766624]  do_page_fault+0x71/0x57d
[ 1250.770435]  ? page_fault+0x8/0x30
[ 1250.774167]  page_fault+0x1e/0x30
[ 1250.777613] RIP: 0033:0x45b153
[ 1250.780807] Code: Bad RIP value.
[ 1250.784171] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1250.789534] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1250.796813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1250.804261] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1250.811530] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1250.818802] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1250.826211] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1250.826319] aoe: skb alloc failure
[ 1250.833933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1250.833962] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1250.833968] Call Trace:
[ 1250.833975]  <IRQ>
[ 1250.833993]  dump_stack+0x197/0x210
[ 1250.834014]  warn_alloc.cold+0x7b/0x173
[ 1250.837567] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1250.846914]  ? zone_watermark_ok_safe+0x260/0x260
[ 1250.854008] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1250.856601]  ? __cpuset_node_allowed+0x136/0x540
[ 1250.890994]  ? __isolate_free_page+0x4c0/0x4c0
[ 1250.895577]  ? wake_all_kswapds+0x14d/0x300
[ 1250.899903]  __alloc_pages_slowpath+0x2214/0x2870
[ 1250.904774]  ? warn_alloc+0x110/0x110
[ 1250.908846]  ? __lock_acquire+0x6ee/0x49c0
[ 1250.913102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1250.918678]  ? should_fail+0x14d/0x85c
[ 1250.922573]  ? __isolate_free_page+0x4c0/0x4c0
[ 1250.927199]  __alloc_pages_nodemask+0x617/0x750
[ 1250.931893]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1250.936929]  ? find_held_lock+0x35/0x130
[ 1250.941002]  cache_grow_begin+0x91/0x8c0
[ 1250.945095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1250.950924]  ? __cpuset_node_allowed+0x136/0x540
[ 1250.955698]  fallback_alloc+0x1fd/0x2d0
[ 1250.959677]  ____cache_alloc_node+0x1be/0x1e0
[ 1250.964297]  kmem_cache_alloc_node+0xe3/0x710
[ 1250.969075]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1250.973340]  __alloc_skb+0xd5/0x5f0
[ 1250.976986]  ? skb_trim+0x190/0x190
[ 1250.980615]  ? kasan_check_read+0x11/0x20
[ 1250.984798]  ndisc_alloc_skb+0x13c/0x340
[ 1250.988862]  ndisc_send_rs+0x35f/0x6e0
[ 1250.992761]  addrconf_rs_timer+0x30f/0x680
[ 1250.996995]  ? ipv6_get_lladdr+0x490/0x490
[ 1251.001335]  call_timer_fn+0x18d/0x720
[ 1251.005234]  ? ipv6_get_lladdr+0x490/0x490
[ 1251.009477]  ? process_timeout+0x40/0x40
[ 1251.013535]  ? run_timer_softirq+0x644/0x16a0
[ 1251.018036]  ? trace_hardirqs_on+0x67/0x220
[ 1251.022427]  ? ipv6_get_lladdr+0x490/0x490
[ 1251.026664]  run_timer_softirq+0x64f/0x16a0
[ 1251.030998]  ? add_timer+0xbe0/0xbe0
[ 1251.034706]  ? __lock_is_held+0xb6/0x140
[ 1251.038812]  __do_softirq+0x25c/0x921
[ 1251.042613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1251.048158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1251.053749]  irq_exit+0x180/0x1d0
[ 1251.057222]  smp_apic_timer_interrupt+0x13b/0x550
[ 1251.062073]  apic_timer_interrupt+0xf/0x20
[ 1251.066294]  </IRQ>
[ 1251.068522] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1251.073481] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1251.092403] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1251.100107] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1251.107385] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1251.114649] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1251.121940] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1251.129216] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1251.136559]  ? find_held_lock+0x35/0x130
[ 1251.140759]  ? process_one_work+0x890/0x1750
[ 1251.145194]  skb_clone+0x156/0x3e0
[ 1251.148740]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1251.155069]  process_one_work+0x989/0x1750
[ 1251.159342]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1251.164009]  ? lock_acquire+0x16f/0x3f0
[ 1251.168003]  ? kasan_check_write+0x14/0x20
[ 1251.172237]  ? do_raw_spin_lock+0xd7/0x250
[ 1251.176581]  worker_thread+0x98/0xe40
[ 1251.180395]  ? trace_hardirqs_on+0x67/0x220
[ 1251.184736]  kthread+0x354/0x420
[ 1251.188117]  ? process_one_work+0x1750/0x1750
[ 1251.192609]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1251.198159]  ret_from_fork+0x24/0x30
[ 1251.201913] warn_alloc_show_mem: 1 callbacks suppressed
[ 1251.201924] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1251.201926] Mem-Info:
[ 1251.201956] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1251.201956]  active_file:13 inactive_file:13 isolated_file:0
[ 1251.201956]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1251.201956]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1251.201956]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1251.201956]  free:10948 free_pcp:188 free_cma:0
[ 1251.207379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1251.207389] Call Trace:
[ 1251.214863] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1251.217261]  <IRQ>
[ 1251.250446] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1251.259950]  dump_stack+0x197/0x210
[ 1251.262513] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1251.290123]  warn_alloc.cold+0x7b/0x173
[ 1251.292260] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1251.318146]  ? zone_watermark_ok_safe+0x260/0x260
[ 1251.321772] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1251.347904]  ? __cpuset_node_allowed+0x136/0x540
[ 1251.351875] lowmem_reserve[]: 0 0 1 1 1
[ 1251.356922]  ? __isolate_free_page+0x4c0/0x4c0
[ 1251.361732] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1251.390695]  ? wake_all_kswapds+0x14d/0x300
[ 1251.395426] lowmem_reserve[]: 0 0 0 0 0
[ 1251.399413]  __alloc_pages_slowpath+0x2214/0x2870
[ 1251.403989] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1251.429903]  ? warn_alloc+0x110/0x110
[ 1251.434198] lowmem_reserve[]: 0 0 0 0 0
[ 1251.438197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1251.443017] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1251.470792]  ? should_fail+0x14d/0x85c
[ 1251.474574] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1251.478548]  ? __isolate_free_page+0x4c0/0x4c0
[ 1251.484058] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1251.496594]  __alloc_pages_nodemask+0x617/0x750
[ 1251.500463] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1251.515746]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1251.520307] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1251.530976]  cache_grow_begin+0x91/0x8c0
[ 1251.535622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1251.551401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1251.556592] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1251.565400]  ? __cpuset_node_allowed+0x136/0x540
[ 1251.569448] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1251.578019]  fallback_alloc+0x1fd/0x2d0
[ 1251.583529] 279 total pagecache pages
[ 1251.592355]  ____cache_alloc_node+0x1be/0x1e0
[ 1251.597115] 0 pages in swap cache
[ 1251.605716]  kmem_cache_alloc_node+0xe3/0x710
[ 1251.609677] Swap cache stats: add 0, delete 0, find 0/0
[ 1251.613486]  __alloc_skb+0xd5/0x5f0
[ 1251.617964] Free swap  = 0kB
[ 1251.621428]  ? skb_trim+0x190/0x190
[ 1251.625915] Total swap = 0kB
[ 1251.625925] 1965979 pages RAM
[ 1251.631307]  ? check_preemption_disabled+0x48/0x290
[ 1251.634918] 0 pages HighMem/MovableOnly
[ 1251.634928] 341741 pages reserved
[ 1251.637963]  ? lock_acquire+0x16f/0x3f0
[ 1251.641658] 0 pages cma reserved
[ 1251.644693]  new_skb+0x28/0x1d0
[ 1251.647832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1251.652817]  aoecmd_cfg+0x1b5/0x640
[ 1251.652833]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1251.652857]  ? timer_reduce+0x11d0/0x11d0
[ 1251.656983] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1251.660396]  discover_timer+0x4e/0x60
[ 1251.664346] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1251.667719]  call_timer_fn+0x18d/0x720
[ 1251.712498]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1251.717196]  ? process_timeout+0x40/0x40
[ 1251.721271]  ? run_timer_softirq+0x644/0x16a0
[ 1251.725770]  ? trace_hardirqs_on+0x67/0x220
[ 1251.730225]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1251.734893]  run_timer_softirq+0x64f/0x16a0
[ 1251.739216]  ? add_timer+0xbe0/0xbe0
[ 1251.742940]  ? __lock_is_held+0xb6/0x140
[ 1251.747033]  __do_softirq+0x25c/0x921
[ 1251.750848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1251.756393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1251.762065]  irq_exit+0x180/0x1d0
[ 1251.765528]  smp_apic_timer_interrupt+0x13b/0x550
[ 1251.770372]  apic_timer_interrupt+0xf/0x20
[ 1251.774616]  </IRQ>
[ 1251.776952] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1251.781789] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1251.800695] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1251.808399] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1251.815674] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1251.822941] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1251.830208] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1251.837482] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1251.844774]  ? netconsole_netdev_event+0x280/0x280
[ 1251.849812]  ? console_unlock+0xf36/0x10d0
[ 1251.854083]  vprintk_emit+0x280/0x6d0
[ 1251.857893]  vprintk_default+0x28/0x30
[ 1251.861790]  vprintk_func+0x7e/0x189
[ 1251.865500]  printk+0xba/0xed
[ 1251.868617]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1251.873950]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1251.878452]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1251.883477]  dump_header+0x44b/0xa55
[ 1251.887223]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1251.892368]  ? ___ratelimit+0x60/0x595
[ 1251.896266]  ? do_raw_spin_unlock+0x181/0x270
[ 1251.900765]  oom_kill_process.cold+0x10/0x6ef
[ 1251.905278]  ? lock_downgrade+0x880/0x880
[ 1251.909427]  ? kasan_check_read+0x11/0x20
[ 1251.913575]  out_of_memory+0x362/0x1330
[ 1251.917563]  ? oom_killer_disable+0x280/0x280
[ 1251.922068]  ? mutex_trylock+0x18e/0x1e0
[ 1251.926230]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1251.931163]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1251.936023]  ? warn_alloc+0x110/0x110
[ 1251.939818]  ? __lock_is_held+0xb6/0x140
[ 1251.943889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1251.949450]  ? should_fail+0x14d/0x85c
[ 1251.953348]  ? __might_sleep+0x95/0x190
[ 1251.957328]  __alloc_pages_nodemask+0x617/0x750
[ 1251.962116]  ? kasan_check_read+0x11/0x20
[ 1251.966271]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1251.971286]  ? find_get_entry+0x3e1/0xa00
[ 1251.975446]  ? find_get_pages_contig+0xed0/0xed0
[ 1251.980333]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1251.985871]  alloc_pages_current+0x107/0x210
[ 1251.990298]  __page_cache_alloc+0x2bd/0x450
[ 1251.994618]  ? kasan_check_read+0x11/0x20
[ 1251.998761]  filemap_fault+0xfeb/0x1f00
[ 1252.002730]  ? lock_downgrade+0x880/0x880
[ 1252.006878]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1252.011556]  ? lock_acquire+0x16f/0x3f0
[ 1252.015579]  ? ext4_filemap_fault+0x7b/0xaf
[ 1252.019944]  ext4_filemap_fault+0x83/0xaf
[ 1252.024090]  __do_fault+0x111/0x480
[ 1252.027728]  __handle_mm_fault+0x2d78/0x3f80
[ 1252.032158]  ? copy_page_range+0x2030/0x2030
[ 1252.036574]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1252.041253]  handle_mm_fault+0x1b5/0x690
[ 1252.045321]  __do_page_fault+0x62a/0xe90
[ 1252.049378]  ? vmalloc_fault+0x740/0x740
[ 1252.053451]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1252.058464]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1252.063520]  ? page_fault+0x8/0x30
[ 1252.067063]  do_page_fault+0x71/0x57d
[ 1252.070871]  ? page_fault+0x8/0x30
[ 1252.074416]  page_fault+0x1e/0x30
[ 1252.077859] RIP: 0033:0x45b153
[ 1252.081061] Code: Bad RIP value.
[ 1252.084424] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1252.089801] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1252.097087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1252.104371] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1252.111648] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1252.118910] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1252.127254] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1252.127312] aoe: skb alloc failure
[ 1252.134970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1252.134996] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1252.138559] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1252.147889] Call Trace:
[ 1252.154987] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1252.165228]  <IRQ>
[ 1252.174800]  dump_stack+0x197/0x210
[ 1252.178427]  warn_alloc.cold+0x7b/0x173
[ 1252.182398]  ? zone_watermark_ok_safe+0x260/0x260
[ 1252.187255]  ? __cpuset_node_allowed+0x136/0x540
[ 1252.192016]  ? __isolate_free_page+0x4c0/0x4c0
[ 1252.196612]  ? wake_all_kswapds+0x14d/0x300
[ 1252.200949]  __alloc_pages_slowpath+0x2214/0x2870
[ 1252.205808]  ? warn_alloc+0x110/0x110
[ 1252.209606]  ? __lock_acquire+0x6ee/0x49c0
[ 1252.213851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1252.219394]  ? should_fail+0x14d/0x85c
[ 1252.223282]  ? __isolate_free_page+0x4c0/0x4c0
[ 1252.227884]  __alloc_pages_nodemask+0x617/0x750
[ 1252.232558]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1252.237591]  ? find_held_lock+0x35/0x130
[ 1252.241669]  cache_grow_begin+0x91/0x8c0
[ 1252.245742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1252.251291]  ? __cpuset_node_allowed+0x136/0x540
[ 1252.256059]  fallback_alloc+0x1fd/0x2d0
[ 1252.260045]  ____cache_alloc_node+0x1be/0x1e0
[ 1252.264557]  kmem_cache_alloc_node+0xe3/0x710
[ 1252.269068]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1252.273320]  __alloc_skb+0xd5/0x5f0
[ 1252.276955]  ? skb_trim+0x190/0x190
[ 1252.280687]  ? kasan_check_read+0x11/0x20
[ 1252.285116]  ndisc_alloc_skb+0x13c/0x340
[ 1252.289173]  ndisc_send_rs+0x35f/0x6e0
[ 1252.293060]  addrconf_rs_timer+0x30f/0x680
[ 1252.297291]  ? ipv6_get_lladdr+0x490/0x490
[ 1252.301535]  call_timer_fn+0x18d/0x720
[ 1252.305420]  ? ipv6_get_lladdr+0x490/0x490
[ 1252.309653]  ? process_timeout+0x40/0x40
[ 1252.313717]  ? run_timer_softirq+0x644/0x16a0
[ 1252.318222]  ? trace_hardirqs_on+0x67/0x220
[ 1252.322542]  ? ipv6_get_lladdr+0x490/0x490
[ 1252.326911]  run_timer_softirq+0x64f/0x16a0
[ 1252.331239]  ? add_timer+0xbe0/0xbe0
[ 1252.335125]  ? __lock_is_held+0xb6/0x140
[ 1252.339375]  __do_softirq+0x25c/0x921
[ 1252.343170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1252.348699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1252.354248]  irq_exit+0x180/0x1d0
[ 1252.357693]  smp_apic_timer_interrupt+0x13b/0x550
[ 1252.362529]  apic_timer_interrupt+0xf/0x20
[ 1252.366747]  </IRQ>
[ 1252.368991] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1252.373921] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1252.392830] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1252.400552] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1252.407817] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1252.415091] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1252.422350] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1252.429625] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1252.436924]  ? find_held_lock+0x35/0x130
[ 1252.440986]  ? process_one_work+0x890/0x1750
[ 1252.445408]  skb_clone+0x156/0x3e0
[ 1252.448989]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1252.455333]  process_one_work+0x989/0x1750
[ 1252.459575]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1252.464238]  ? lock_acquire+0x16f/0x3f0
[ 1252.468208]  ? kasan_check_write+0x14/0x20
[ 1252.472435]  ? do_raw_spin_lock+0xd7/0x250
[ 1252.476667]  worker_thread+0x98/0xe40
[ 1252.480457]  ? trace_hardirqs_on+0x67/0x220
[ 1252.484781]  kthread+0x354/0x420
[ 1252.488150]  ? process_one_work+0x1750/0x1750
[ 1252.492645]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1252.498189]  ret_from_fork+0x24/0x30
[ 1252.501908] warn_alloc_show_mem: 1 callbacks suppressed
[ 1252.501925] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1252.501927] Mem-Info:
[ 1252.501956] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1252.501956]  active_file:13 inactive_file:13 isolated_file:0
[ 1252.501956]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1252.501956]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1252.501956]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1252.501956]  free:10948 free_pcp:188 free_cma:0
[ 1252.507292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1252.514747] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1252.517148] Call Trace:
[ 1252.550145] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1252.559492]  <IRQ>
[ 1252.587144] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1252.589744]  dump_stack+0x197/0x210
[ 1252.615671] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1252.617838]  warn_alloc.cold+0x7b/0x173
[ 1252.644786] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1252.648424]  ? zone_watermark_ok_safe+0x260/0x260
[ 1252.653418] lowmem_reserve[]: 0 0 1 1 1
[ 1252.657400]  ? __cpuset_node_allowed+0x136/0x540
[ 1252.686178] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1252.691031]  ? __isolate_free_page+0x4c0/0x4c0
[ 1252.694967] lowmem_reserve[]: 0 0 0 0 0
[ 1252.699721]  ? wake_all_kswapds+0x14d/0x300
[ 1252.725475] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1252.730080]  __alloc_pages_slowpath+0x2214/0x2870
[ 1252.734023] lowmem_reserve[]: 0 0 0 0 0
[ 1252.738374]  ? warn_alloc+0x110/0x110
[ 1252.766443] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1252.771296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1252.775238] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1252.779049]  ? should_fail+0x14d/0x85c
[ 1252.791512] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1252.797058]  ? __isolate_free_page+0x4c0/0x4c0
[ 1252.812293] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1252.816199]  __alloc_pages_nodemask+0x617/0x750
[ 1252.826843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1252.831418]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1252.847260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1252.847273] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1252.852050]  cache_grow_begin+0x91/0x8c0
[ 1252.860845] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1252.860853] 279 total pagecache pages
[ 1252.865865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1252.874438] 0 pages in swap cache
[ 1252.883610]  ? __cpuset_node_allowed+0x136/0x540
[ 1252.887641] Swap cache stats: add 0, delete 0, find 0/0
[ 1252.887649] Free swap  = 0kB
[ 1252.896477]  fallback_alloc+0x1fd/0x2d0
[ 1252.900265] Total swap = 0kB
[ 1252.905808]  ____cache_alloc_node+0x1be/0x1e0
[ 1252.909371] 1965979 pages RAM
[ 1252.914170]  kmem_cache_alloc_node+0xe3/0x710
[ 1252.919520] 0 pages HighMem/MovableOnly
[ 1252.922553]  __alloc_skb+0xd5/0x5f0
[ 1252.926505] 341741 pages reserved
[ 1252.929520]  ? skb_trim+0x190/0x190
[ 1252.933996] 0 pages cma reserved
[ 1252.934064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1252.937150]  ? check_preemption_disabled+0x48/0x290
[ 1252.942007] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1252.945901]  ? lock_acquire+0x16f/0x3f0
[ 1252.949507] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1252.952967]  new_skb+0x28/0x1d0
[ 1252.995069]  aoecmd_cfg+0x1b5/0x640
[ 1252.998712]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1253.003055]  ? timer_reduce+0x11d0/0x11d0
[ 1253.007240]  discover_timer+0x4e/0x60
[ 1253.011062]  call_timer_fn+0x18d/0x720
[ 1253.014953]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1253.019641]  ? process_timeout+0x40/0x40
[ 1253.023705]  ? run_timer_softirq+0x644/0x16a0
[ 1253.028422]  ? trace_hardirqs_on+0x67/0x220
[ 1253.032769]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1253.037494]  run_timer_softirq+0x64f/0x16a0
[ 1253.041839]  ? add_timer+0xbe0/0xbe0
[ 1253.045613]  ? __lock_is_held+0xb6/0x140
[ 1253.050381]  __do_softirq+0x25c/0x921
[ 1253.054247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1253.060144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1253.065795]  irq_exit+0x180/0x1d0
[ 1253.069380]  smp_apic_timer_interrupt+0x13b/0x550
[ 1253.074245]  apic_timer_interrupt+0xf/0x20
[ 1253.078476]  </IRQ>
[ 1253.080717] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1253.085563] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1253.104645] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1253.112370] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1253.119677] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1253.126957] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1253.134325] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1253.141610] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1253.148928]  ? netconsole_netdev_event+0x280/0x280
[ 1253.154116]  ? console_unlock+0xf36/0x10d0
[ 1253.158478]  vprintk_emit+0x280/0x6d0
[ 1253.162299]  vprintk_default+0x28/0x30
[ 1253.166208]  vprintk_func+0x7e/0x189
[ 1253.169944]  printk+0xba/0xed
[ 1253.173060]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1253.177842]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1253.182371]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1253.187415]  dump_header+0x44b/0xa55
[ 1253.191160]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1253.196274]  ? ___ratelimit+0x60/0x595
[ 1253.200176]  ? do_raw_spin_unlock+0x181/0x270
[ 1253.204690]  oom_kill_process.cold+0x10/0x6ef
[ 1253.209216]  ? lock_downgrade+0x880/0x880
[ 1253.213375]  ? kasan_check_read+0x11/0x20
[ 1253.217529]  out_of_memory+0x362/0x1330
[ 1253.221506]  ? oom_killer_disable+0x280/0x280
[ 1253.226007]  ? mutex_trylock+0x18e/0x1e0
[ 1253.230102]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1253.235169]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1253.240049]  ? warn_alloc+0x110/0x110
[ 1253.243857]  ? __lock_is_held+0xb6/0x140
[ 1253.247947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1253.253519]  ? should_fail+0x14d/0x85c
[ 1253.257415]  ? __might_sleep+0x95/0x190
[ 1253.261520]  __alloc_pages_nodemask+0x617/0x750
[ 1253.266200]  ? kasan_check_read+0x11/0x20
[ 1253.270366]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1253.275422]  ? find_get_entry+0x3e1/0xa00
[ 1253.279589]  ? find_get_pages_contig+0xed0/0xed0
[ 1253.284342]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1253.289921]  alloc_pages_current+0x107/0x210
[ 1253.294360]  __page_cache_alloc+0x2bd/0x450
[ 1253.299303]  ? kasan_check_read+0x11/0x20
[ 1253.303902]  filemap_fault+0xfeb/0x1f00
[ 1253.307883]  ? lock_downgrade+0x880/0x880
[ 1253.312055]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1253.316729]  ? lock_acquire+0x16f/0x3f0
[ 1253.320701]  ? ext4_filemap_fault+0x7b/0xaf
[ 1253.325044]  ext4_filemap_fault+0x83/0xaf
[ 1253.329194]  __do_fault+0x111/0x480
[ 1253.332823]  __handle_mm_fault+0x2d78/0x3f80
[ 1253.337247]  ? copy_page_range+0x2030/0x2030
[ 1253.341693]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1253.346365]  handle_mm_fault+0x1b5/0x690
[ 1253.350564]  __do_page_fault+0x62a/0xe90
[ 1253.354842]  ? vmalloc_fault+0x740/0x740
[ 1253.358979]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1253.364009]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1253.368967]  ? page_fault+0x8/0x30
[ 1253.372525]  do_page_fault+0x71/0x57d
[ 1253.376348]  ? page_fault+0x8/0x30
[ 1253.379902]  page_fault+0x1e/0x30
[ 1253.383348] RIP: 0033:0x45b153
[ 1253.386597] Code: Bad RIP value.
[ 1253.389951] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1253.395305] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1253.402671] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1253.409959] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1253.417249] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1253.424602] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1253.431913] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1253.431968] aoe: skb alloc failure
[ 1253.443306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1253.443333] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1253.447186] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1253.456644] Call Trace:
[ 1253.464385] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1253.474630]  <IRQ>
[ 1253.484218]  dump_stack+0x197/0x210
[ 1253.487906]  warn_alloc.cold+0x7b/0x173
[ 1253.491905]  ? zone_watermark_ok_safe+0x260/0x260
[ 1253.496778]  ? __cpuset_node_allowed+0x136/0x540
[ 1253.501540]  ? __isolate_free_page+0x4c0/0x4c0
[ 1253.506136]  ? wake_all_kswapds+0x14d/0x300
[ 1253.510483]  __alloc_pages_slowpath+0x2214/0x2870
[ 1253.515379]  ? warn_alloc+0x110/0x110
[ 1253.519196]  ? __lock_acquire+0x6ee/0x49c0
[ 1253.523443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1253.528993]  ? should_fail+0x14d/0x85c
[ 1253.532899]  ? __isolate_free_page+0x4c0/0x4c0
[ 1253.537493]  __alloc_pages_nodemask+0x617/0x750
[ 1253.542201]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1253.547248]  ? find_held_lock+0x35/0x130
[ 1253.551318]  cache_grow_begin+0x91/0x8c0
[ 1253.555485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1253.561022]  ? __cpuset_node_allowed+0x136/0x540
[ 1253.565921]  fallback_alloc+0x1fd/0x2d0
[ 1253.569911]  ____cache_alloc_node+0x1be/0x1e0
[ 1253.574426]  kmem_cache_alloc_node+0xe3/0x710
[ 1253.578939]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1253.583181]  __alloc_skb+0xd5/0x5f0
[ 1253.586805]  ? skb_trim+0x190/0x190
[ 1253.590434]  ? kasan_check_read+0x11/0x20
[ 1253.594588]  ndisc_alloc_skb+0x13c/0x340
[ 1253.598682]  ndisc_send_rs+0x35f/0x6e0
[ 1253.602599]  addrconf_rs_timer+0x30f/0x680
[ 1253.606839]  ? ipv6_get_lladdr+0x490/0x490
[ 1253.611082]  call_timer_fn+0x18d/0x720
[ 1253.614982]  ? ipv6_get_lladdr+0x490/0x490
[ 1253.619221]  ? process_timeout+0x40/0x40
[ 1253.623305]  ? run_timer_softirq+0x644/0x16a0
[ 1253.627803]  ? trace_hardirqs_on+0x67/0x220
[ 1253.632127]  ? ipv6_get_lladdr+0x490/0x490
[ 1253.636556]  run_timer_softirq+0x64f/0x16a0
[ 1253.641116]  ? add_timer+0xbe0/0xbe0
[ 1253.644834]  ? __lock_is_held+0xb6/0x140
[ 1253.648926]  __do_softirq+0x25c/0x921
[ 1253.652728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1253.658448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1253.664751]  irq_exit+0x180/0x1d0
[ 1253.668309]  smp_apic_timer_interrupt+0x13b/0x550
[ 1253.673168]  apic_timer_interrupt+0xf/0x20
[ 1253.677410]  </IRQ>
[ 1253.679645] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1253.684581] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1253.703496] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1253.711234] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1253.718537] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1253.725807] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1253.733103] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1253.740485] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1253.748218]  ? find_held_lock+0x35/0x130
[ 1253.752286]  ? process_one_work+0x890/0x1750
[ 1253.756848]  skb_clone+0x156/0x3e0
[ 1253.760392]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1253.766738]  process_one_work+0x989/0x1750
[ 1253.771000]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1253.775682]  ? lock_acquire+0x16f/0x3f0
[ 1253.779665]  ? kasan_check_write+0x14/0x20
[ 1253.783913]  ? do_raw_spin_lock+0xd7/0x250
[ 1253.788331]  worker_thread+0x98/0xe40
[ 1253.792146]  ? trace_hardirqs_on+0x67/0x220
[ 1253.796474]  kthread+0x354/0x420
[ 1253.799856]  ? process_one_work+0x1750/0x1750
[ 1253.804463]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1253.810014]  ret_from_fork+0x24/0x30
[ 1253.813735] warn_alloc_show_mem: 1 callbacks suppressed
[ 1253.813745] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1253.813748] Mem-Info:
[ 1253.813778] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1253.813778]  active_file:13 inactive_file:13 isolated_file:0
[ 1253.813778]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1253.813778]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1253.813778]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1253.813778]  free:10948 free_pcp:188 free_cma:0
[ 1253.819113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1253.826584] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1253.829097] Call Trace:
[ 1253.862663] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1253.872223]  <IRQ>
[ 1253.899987] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1253.902584]  dump_stack+0x197/0x210
[ 1253.928422] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1253.930687]  warn_alloc.cold+0x7b/0x173
[ 1253.957036] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1253.960684]  ? zone_watermark_ok_safe+0x260/0x260
[ 1253.965701] lowmem_reserve[]: 0 0 1 1 1
[ 1253.969860]  ? __cpuset_node_allowed+0x136/0x540
[ 1253.998774] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1254.003651]  ? __isolate_free_page+0x4c0/0x4c0
[ 1254.007585] lowmem_reserve[]: 0 0 0 0 0
[ 1254.012353]  ? wake_all_kswapds+0x14d/0x300
[ 1254.038367] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1254.042976]  __alloc_pages_slowpath+0x2214/0x2870
[ 1254.047041] lowmem_reserve[]: 0 0 0 0 0
[ 1254.053575]  ? warn_alloc+0x110/0x110
[ 1254.082556] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1254.087940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1254.091908] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1254.095725]  ? should_fail+0x14d/0x85c
[ 1254.108461] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1254.115584]  ? __isolate_free_page+0x4c0/0x4c0
[ 1254.130849] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1254.134778]  __alloc_pages_nodemask+0x617/0x750
[ 1254.145517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1254.150995]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1254.167040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1254.171719]  cache_grow_begin+0x91/0x8c0
[ 1254.180544] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1254.185569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1254.194231] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1254.198407]  ? __cpuset_node_allowed+0x136/0x540
[ 1254.207338] 279 total pagecache pages
[ 1254.212904]  fallback_alloc+0x1fd/0x2d0
[ 1254.221471] 0 pages in swap cache
[ 1254.226259]  ____cache_alloc_node+0x1be/0x1e0
[ 1254.230037] Swap cache stats: add 0, delete 0, find 0/0
[ 1254.230045] Free swap  = 0kB
[ 1254.234151]  kmem_cache_alloc_node+0xe3/0x710
[ 1254.237738] Total swap = 0kB
[ 1254.242246]  __alloc_skb+0xd5/0x5f0
[ 1254.247581] 1965979 pages RAM
[ 1254.250605]  ? skb_trim+0x190/0x190
[ 1254.255343] 0 pages HighMem/MovableOnly
[ 1254.255353] 341741 pages reserved
[ 1254.258415]  ? check_preemption_disabled+0x48/0x290
[ 1254.258433]  ? lock_acquire+0x16f/0x3f0
[ 1254.262042] 0 pages cma reserved
[ 1254.262110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1254.265170]  new_skb+0x28/0x1d0
[ 1254.268834] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1254.273889]  aoecmd_cfg+0x1b5/0x640
[ 1254.277338] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1254.282375]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1254.323105]  ? timer_reduce+0x11d0/0x11d0
[ 1254.327265]  discover_timer+0x4e/0x60
[ 1254.331077]  call_timer_fn+0x18d/0x720
[ 1254.334964]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1254.339881]  ? process_timeout+0x40/0x40
[ 1254.344077]  ? run_timer_softirq+0x644/0x16a0
[ 1254.348617]  ? trace_hardirqs_on+0x67/0x220
[ 1254.353234]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1254.358012]  run_timer_softirq+0x64f/0x16a0
[ 1254.362373]  ? add_timer+0xbe0/0xbe0
[ 1254.366102]  ? __lock_is_held+0xb6/0x140
[ 1254.370170]  __do_softirq+0x25c/0x921
[ 1254.373970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1254.379501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1254.385057]  irq_exit+0x180/0x1d0
[ 1254.388533]  smp_apic_timer_interrupt+0x13b/0x550
[ 1254.393435]  apic_timer_interrupt+0xf/0x20
[ 1254.397748]  </IRQ>
[ 1254.399980] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1254.404964] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1254.424219] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1254.431941] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1254.439320] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1254.446694] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1254.453974] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1254.461242] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1254.468532]  ? netconsole_netdev_event+0x280/0x280
[ 1254.473479]  ? console_unlock+0xf36/0x10d0
[ 1254.478691]  vprintk_emit+0x280/0x6d0
[ 1254.483536]  vprintk_default+0x28/0x30
[ 1254.487442]  vprintk_func+0x7e/0x189
[ 1254.491151]  printk+0xba/0xed
[ 1254.494264]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1254.500707]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1254.505210]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1254.510246]  dump_header+0x44b/0xa55
[ 1254.514140]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1254.519253]  ? ___ratelimit+0x60/0x595
[ 1254.523151]  ? do_raw_spin_unlock+0x181/0x270
[ 1254.527678]  oom_kill_process.cold+0x10/0x6ef
[ 1254.532190]  ? lock_downgrade+0x880/0x880
[ 1254.536458]  ? kasan_check_read+0x11/0x20
[ 1254.540623]  out_of_memory+0x362/0x1330
[ 1254.544651]  ? oom_killer_disable+0x280/0x280
[ 1254.549181]  ? mutex_trylock+0x18e/0x1e0
[ 1254.553260]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1254.558205]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1254.563173]  ? warn_alloc+0x110/0x110
[ 1254.566967]  ? __lock_is_held+0xb6/0x140
[ 1254.571054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1254.576605]  ? should_fail+0x14d/0x85c
[ 1254.580498]  ? __might_sleep+0x95/0x190
[ 1254.584484]  __alloc_pages_nodemask+0x617/0x750
[ 1254.589165]  ? kasan_check_read+0x11/0x20
[ 1254.593314]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1254.598344]  ? find_get_entry+0x3e1/0xa00
[ 1254.602494]  ? find_get_pages_contig+0xed0/0xed0
[ 1254.607283]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1254.612829]  alloc_pages_current+0x107/0x210
[ 1254.617241]  __page_cache_alloc+0x2bd/0x450
[ 1254.621667]  ? kasan_check_read+0x11/0x20
[ 1254.625852]  filemap_fault+0xfeb/0x1f00
[ 1254.630087]  ? lock_downgrade+0x880/0x880
[ 1254.634241]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1254.638943]  ? lock_acquire+0x16f/0x3f0
[ 1254.643015]  ? ext4_filemap_fault+0x7b/0xaf
[ 1254.647484]  ext4_filemap_fault+0x83/0xaf
[ 1254.651646]  __do_fault+0x111/0x480
[ 1254.655294]  __handle_mm_fault+0x2d78/0x3f80
[ 1254.659982]  ? copy_page_range+0x2030/0x2030
[ 1254.664408]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1254.669123]  handle_mm_fault+0x1b5/0x690
[ 1254.673207]  __do_page_fault+0x62a/0xe90
[ 1254.677292]  ? vmalloc_fault+0x740/0x740
[ 1254.681364]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1254.686421]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1254.691385]  ? page_fault+0x8/0x30
[ 1254.694941]  do_page_fault+0x71/0x57d
[ 1254.699015]  ? page_fault+0x8/0x30
[ 1254.702567]  page_fault+0x1e/0x30
[ 1254.706035] RIP: 0033:0x45b153
[ 1254.709334] Code: Bad RIP value.
[ 1254.712764] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1254.718245] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1254.725610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1254.732891] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1254.740345] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1254.747710] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1254.755643] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1254.755700] aoe: skb alloc failure
[ 1254.763376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1254.763404] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1254.763411] Call Trace:
[ 1254.763417]  <IRQ>
[ 1254.763437]  dump_stack+0x197/0x210
[ 1254.766994] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1254.776412]  warn_alloc.cold+0x7b/0x173
[ 1254.783545] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1254.786091]  ? zone_watermark_ok_safe+0x260/0x260
[ 1254.816164]  ? __cpuset_node_allowed+0x136/0x540
[ 1254.820938]  ? __isolate_free_page+0x4c0/0x4c0
[ 1254.825609]  ? wake_all_kswapds+0x14d/0x300
[ 1254.830385]  __alloc_pages_slowpath+0x2214/0x2870
[ 1254.836561]  ? warn_alloc+0x110/0x110
[ 1254.840924]  ? __lock_acquire+0x6ee/0x49c0
[ 1254.846341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1254.852076]  ? should_fail+0x14d/0x85c
[ 1254.855982]  ? __isolate_free_page+0x4c0/0x4c0
[ 1254.860673]  __alloc_pages_nodemask+0x617/0x750
[ 1254.865465]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1254.870498]  ? find_held_lock+0x35/0x130
[ 1254.874573]  cache_grow_begin+0x91/0x8c0
[ 1254.878638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1254.884189]  ? __cpuset_node_allowed+0x136/0x540
[ 1254.888951]  fallback_alloc+0x1fd/0x2d0
[ 1254.892941]  ____cache_alloc_node+0x1be/0x1e0
[ 1254.897433]  kmem_cache_alloc_node+0xe3/0x710
[ 1254.902208]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1254.906474]  __alloc_skb+0xd5/0x5f0
[ 1254.910800]  ? skb_trim+0x190/0x190
[ 1254.914552]  ? kasan_check_read+0x11/0x20
[ 1254.918709]  ndisc_alloc_skb+0x13c/0x340
[ 1254.922792]  ndisc_send_rs+0x35f/0x6e0
[ 1254.926713]  addrconf_rs_timer+0x30f/0x680
[ 1254.931213]  ? ipv6_get_lladdr+0x490/0x490
[ 1254.935462]  call_timer_fn+0x18d/0x720
[ 1254.939449]  ? ipv6_get_lladdr+0x490/0x490
[ 1254.943701]  ? process_timeout+0x40/0x40
[ 1254.947757]  ? run_timer_softirq+0x644/0x16a0
[ 1254.952259]  ? trace_hardirqs_on+0x67/0x220
[ 1254.956580]  ? ipv6_get_lladdr+0x490/0x490
[ 1254.960830]  run_timer_softirq+0x64f/0x16a0
[ 1254.965167]  ? add_timer+0xbe0/0xbe0
[ 1254.968890]  ? __lock_is_held+0xb6/0x140
[ 1254.972970]  __do_softirq+0x25c/0x921
[ 1254.976769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1254.982299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1254.987855]  irq_exit+0x180/0x1d0
[ 1254.991417]  smp_apic_timer_interrupt+0x13b/0x550
[ 1254.996263]  apic_timer_interrupt+0xf/0x20
[ 1255.000502]  </IRQ>
[ 1255.002760] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1255.007686] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1255.027649] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1255.035363] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1255.042635] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1255.049924] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1255.057198] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1255.064464] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1255.071775]  ? find_held_lock+0x35/0x130
[ 1255.075835]  ? process_one_work+0x890/0x1750
[ 1255.080240]  skb_clone+0x156/0x3e0
[ 1255.083807]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1255.090202]  process_one_work+0x989/0x1750
[ 1255.094454]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1255.099115]  ? lock_acquire+0x16f/0x3f0
[ 1255.103082]  ? kasan_check_write+0x14/0x20
[ 1255.107322]  ? do_raw_spin_lock+0xd7/0x250
[ 1255.111559]  worker_thread+0x98/0xe40
[ 1255.115366]  ? trace_hardirqs_on+0x67/0x220
[ 1255.119692]  kthread+0x354/0x420
[ 1255.123051]  ? process_one_work+0x1750/0x1750
[ 1255.127547]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1255.133098]  ret_from_fork+0x24/0x30
[ 1255.136819] warn_alloc_show_mem: 1 callbacks suppressed
[ 1255.136829] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1255.136831] Mem-Info:
[ 1255.136860] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1255.136860]  active_file:13 inactive_file:13 isolated_file:0
[ 1255.136860]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1255.136860]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1255.136860]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1255.136860]  free:10948 free_pcp:188 free_cma:0
[ 1255.142203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1255.142213] Call Trace:
[ 1255.149860] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1255.152271]  <IRQ>
[ 1255.185252] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1255.194608]  dump_stack+0x197/0x210
[ 1255.197183] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1255.224786]  warn_alloc.cold+0x7b/0x173
[ 1255.226925] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1255.253099]  ? zone_watermark_ok_safe+0x260/0x260
[ 1255.256710] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1255.282836]  ? __cpuset_node_allowed+0x136/0x540
[ 1255.286779] lowmem_reserve[]: 0 0 1 1 1
[ 1255.291807]  ? __isolate_free_page+0x4c0/0x4c0
[ 1255.296628] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1255.325550]  ? wake_all_kswapds+0x14d/0x300
[ 1255.330286] lowmem_reserve[]: 0 0 0 0 0
[ 1255.334261]  __alloc_pages_slowpath+0x2214/0x2870
[ 1255.338808] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1255.364601]  ? warn_alloc+0x110/0x110
[ 1255.368908] lowmem_reserve[]: 0 0 0 0 0
[ 1255.372897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1255.377728] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1255.405680]  ? should_fail+0x14d/0x85c
[ 1255.409458] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1255.413427]  ? __isolate_free_page+0x4c0/0x4c0
[ 1255.418935] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1255.431440]  __alloc_pages_nodemask+0x617/0x750
[ 1255.435322] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1255.450734]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1255.455301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1255.465977]  cache_grow_begin+0x91/0x8c0
[ 1255.470620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1255.470635] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1255.486682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1255.491687] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1255.500543]  ? __cpuset_node_allowed+0x136/0x540
[ 1255.504676] 279 total pagecache pages
[ 1255.513422]  fallback_alloc+0x1fd/0x2d0
[ 1255.522252] 0 pages in swap cache
[ 1255.527810]  ____cache_alloc_node+0x1be/0x1e0
[ 1255.536394] Swap cache stats: add 0, delete 0, find 0/0
[ 1255.541147]  kmem_cache_alloc_node+0xe3/0x710
[ 1255.544924] Free swap  = 0kB
[ 1255.548902]  __alloc_skb+0xd5/0x5f0
[ 1255.552327] Total swap = 0kB
[ 1255.552337] 1965979 pages RAM
[ 1255.556826]  ? skb_trim+0x190/0x190
[ 1255.562172] 0 pages HighMem/MovableOnly
[ 1255.562182] 341741 pages reserved
[ 1255.566689]  ? check_preemption_disabled+0x48/0x290
[ 1255.569696] 0 pages cma reserved
[ 1255.573312]  ? lock_acquire+0x16f/0x3f0
[ 1255.576365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1255.579424]  new_skb+0x28/0x1d0
[ 1255.583100] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1255.586997]  aoecmd_cfg+0x1b5/0x640
[ 1255.590423] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1255.595435]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1255.635946]  ? timer_reduce+0x11d0/0x11d0
[ 1255.640106]  discover_timer+0x4e/0x60
[ 1255.643933]  call_timer_fn+0x18d/0x720
[ 1255.647847]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1255.652530]  ? process_timeout+0x40/0x40
[ 1255.656610]  ? run_timer_softirq+0x644/0x16a0
[ 1255.661129]  ? trace_hardirqs_on+0x67/0x220
[ 1255.665467]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1255.670135]  run_timer_softirq+0x64f/0x16a0
[ 1255.674471]  ? add_timer+0xbe0/0xbe0
[ 1255.678184]  ? __lock_is_held+0xb6/0x140
[ 1255.682272]  __do_softirq+0x25c/0x921
[ 1255.686082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1255.691611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1255.697194]  irq_exit+0x180/0x1d0
[ 1255.700660]  smp_apic_timer_interrupt+0x13b/0x550
[ 1255.705775]  apic_timer_interrupt+0xf/0x20
[ 1255.710007]  </IRQ>
[ 1255.712243] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1255.717085] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1255.736015] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1255.743738] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1255.751054] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1255.758502] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1255.765834] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1255.773111] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1255.780391]  ? netconsole_netdev_event+0x280/0x280
[ 1255.785342]  ? console_unlock+0xf36/0x10d0
[ 1255.789604]  vprintk_emit+0x280/0x6d0
[ 1255.793506]  vprintk_default+0x28/0x30
[ 1255.797462]  vprintk_func+0x7e/0x189
[ 1255.801176]  printk+0xba/0xed
[ 1255.804275]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1255.809032]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1255.813557]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1255.818713]  dump_header+0x44b/0xa55
[ 1255.822438]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1255.827555]  ? ___ratelimit+0x60/0x595
[ 1255.831435]  ? do_raw_spin_unlock+0x181/0x270
[ 1255.835943]  oom_kill_process.cold+0x10/0x6ef
[ 1255.840452]  ? lock_downgrade+0x880/0x880
[ 1255.844597]  ? kasan_check_read+0x11/0x20
[ 1255.848766]  out_of_memory+0x362/0x1330
[ 1255.852757]  ? oom_killer_disable+0x280/0x280
[ 1255.857251]  ? mutex_trylock+0x18e/0x1e0
[ 1255.861329]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1255.866267]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1255.871130]  ? warn_alloc+0x110/0x110
[ 1255.874923]  ? __lock_is_held+0xb6/0x140
[ 1255.879003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1255.884554]  ? should_fail+0x14d/0x85c
[ 1255.888555]  ? __might_sleep+0x95/0x190
[ 1255.892541]  __alloc_pages_nodemask+0x617/0x750
[ 1255.897338]  ? kasan_check_read+0x11/0x20
[ 1255.901484]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1255.906492]  ? find_get_entry+0x3e1/0xa00
[ 1255.910653]  ? find_get_pages_contig+0xed0/0xed0
[ 1255.915420]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1255.920969]  alloc_pages_current+0x107/0x210
[ 1255.925378]  __page_cache_alloc+0x2bd/0x450
[ 1255.929697]  ? kasan_check_read+0x11/0x20
[ 1255.933856]  filemap_fault+0xfeb/0x1f00
[ 1255.937847]  ? lock_downgrade+0x880/0x880
[ 1255.942011]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1255.946702]  ? lock_acquire+0x16f/0x3f0
[ 1255.950673]  ? ext4_filemap_fault+0x7b/0xaf
[ 1255.955009]  ext4_filemap_fault+0x83/0xaf
[ 1255.959288]  __do_fault+0x111/0x480
[ 1255.962930]  __handle_mm_fault+0x2d78/0x3f80
[ 1255.967348]  ? copy_page_range+0x2030/0x2030
[ 1255.971783]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1255.976483]  handle_mm_fault+0x1b5/0x690
[ 1255.980560]  __do_page_fault+0x62a/0xe90
[ 1255.984633]  ? vmalloc_fault+0x740/0x740
[ 1255.988706]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1255.993723]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1255.998656]  ? page_fault+0x8/0x30
[ 1256.002194]  do_page_fault+0x71/0x57d
[ 1256.005988]  ? page_fault+0x8/0x30
[ 1256.009534]  page_fault+0x1e/0x30
[ 1256.012999] RIP: 0033:0x45b153
[ 1256.016211] Code: Bad RIP value.
[ 1256.019566] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1256.025092] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1256.032366] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1256.039637] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1256.046905] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1256.054175] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1256.061473] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1256.061529] aoe: skb alloc failure
[ 1256.069198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1256.069225] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1256.072794] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1256.082087] Call Trace:
[ 1256.089179] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1256.099399]  <IRQ>
[ 1256.108887]  dump_stack+0x197/0x210
[ 1256.112519]  warn_alloc.cold+0x7b/0x173
[ 1256.116636]  ? zone_watermark_ok_safe+0x260/0x260
[ 1256.121477]  ? __cpuset_node_allowed+0x136/0x540
[ 1256.126306]  ? __isolate_free_page+0x4c0/0x4c0
[ 1256.130911]  ? wake_all_kswapds+0x14d/0x300
[ 1256.135239]  __alloc_pages_slowpath+0x2214/0x2870
[ 1256.140110]  ? warn_alloc+0x110/0x110
[ 1256.143926]  ? __lock_acquire+0x6ee/0x49c0
[ 1256.148173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1256.153732]  ? should_fail+0x14d/0x85c
[ 1256.157624]  ? __isolate_free_page+0x4c0/0x4c0
[ 1256.162228]  __alloc_pages_nodemask+0x617/0x750
[ 1256.166914]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1256.171932]  ? find_held_lock+0x35/0x130
[ 1256.175991]  cache_grow_begin+0x91/0x8c0
[ 1256.180070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1256.185617]  ? __cpuset_node_allowed+0x136/0x540
[ 1256.190489]  fallback_alloc+0x1fd/0x2d0
[ 1256.194478]  ____cache_alloc_node+0x1be/0x1e0
[ 1256.198981]  kmem_cache_alloc_node+0xe3/0x710
[ 1256.203488]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1256.207738]  __alloc_skb+0xd5/0x5f0
[ 1256.211376]  ? skb_trim+0x190/0x190
[ 1256.215008]  ? kasan_check_read+0x11/0x20
[ 1256.219175]  ndisc_alloc_skb+0x13c/0x340
[ 1256.223235]  ndisc_send_rs+0x35f/0x6e0
[ 1256.227126]  addrconf_rs_timer+0x30f/0x680
[ 1256.231391]  ? ipv6_get_lladdr+0x490/0x490
[ 1256.235648]  call_timer_fn+0x18d/0x720
[ 1256.239546]  ? ipv6_get_lladdr+0x490/0x490
[ 1256.243801]  ? process_timeout+0x40/0x40
[ 1256.247867]  ? run_timer_softirq+0x644/0x16a0
[ 1256.252374]  ? trace_hardirqs_on+0x67/0x220
[ 1256.256724]  ? ipv6_get_lladdr+0x490/0x490
[ 1256.260949]  run_timer_softirq+0x64f/0x16a0
[ 1256.265279]  ? add_timer+0xbe0/0xbe0
[ 1256.269014]  ? __lock_is_held+0xb6/0x140
[ 1256.273083]  __do_softirq+0x25c/0x921
[ 1256.276882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1256.282423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1256.287984]  irq_exit+0x180/0x1d0
[ 1256.291438]  smp_apic_timer_interrupt+0x13b/0x550
[ 1256.296277]  apic_timer_interrupt+0xf/0x20
[ 1256.300513]  </IRQ>
[ 1256.302747] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1256.307680] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1256.326761] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1256.334473] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1256.341741] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1256.349005] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1256.356275] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1256.363684] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1256.370988]  ? find_held_lock+0x35/0x130
[ 1256.375048]  ? process_one_work+0x890/0x1750
[ 1256.379476]  skb_clone+0x156/0x3e0
[ 1256.383035]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1256.389372]  process_one_work+0x989/0x1750
[ 1256.393612]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1256.398280]  ? lock_acquire+0x16f/0x3f0
[ 1256.402263]  ? kasan_check_write+0x14/0x20
[ 1256.406513]  ? do_raw_spin_lock+0xd7/0x250
[ 1256.410768]  worker_thread+0x98/0xe40
[ 1256.414576]  ? trace_hardirqs_on+0x67/0x220
[ 1256.418904]  kthread+0x354/0x420
[ 1256.422265]  ? process_one_work+0x1750/0x1750
[ 1256.426753]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1256.432290]  ret_from_fork+0x24/0x30
[ 1256.436022] warn_alloc_show_mem: 1 callbacks suppressed
[ 1256.436033] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1256.436035] Mem-Info:
[ 1256.436064] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1256.436064]  active_file:13 inactive_file:13 isolated_file:0
[ 1256.436064]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1256.436064]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1256.436064]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1256.436064]  free:10948 free_pcp:188 free_cma:0
[ 1256.441403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1256.441413] Call Trace:
[ 1256.448872] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1256.451262]  <IRQ>
[ 1256.484245] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1256.493604]  dump_stack+0x197/0x210
[ 1256.496267] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1256.523878]  warn_alloc.cold+0x7b/0x173
[ 1256.526014] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1256.551976]  ? zone_watermark_ok_safe+0x260/0x260
[ 1256.555586] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1256.581724]  ? __cpuset_node_allowed+0x136/0x540
[ 1256.585698] lowmem_reserve[]: 0 0 1 1 1
[ 1256.590755]  ? __isolate_free_page+0x4c0/0x4c0
[ 1256.595577] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1256.624394]  ? wake_all_kswapds+0x14d/0x300
[ 1256.629124] lowmem_reserve[]: 0 0 0 0 0
[ 1256.633097]  __alloc_pages_slowpath+0x2214/0x2870
[ 1256.637763] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1256.663670]  ? warn_alloc+0x110/0x110
[ 1256.667966] lowmem_reserve[]: 0 0 0 0 0
[ 1256.671949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1256.676777] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1256.704556]  ? should_fail+0x14d/0x85c
[ 1256.708374] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1256.712409]  ? __isolate_free_page+0x4c0/0x4c0
[ 1256.717933] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1256.730455]  __alloc_pages_nodemask+0x617/0x750
[ 1256.734451] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1256.749744]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1256.754317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1256.764994]  cache_grow_begin+0x91/0x8c0
[ 1256.769637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1256.785422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1256.790431] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1256.799276]  ? __cpuset_node_allowed+0x136/0x540
[ 1256.803328] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1256.811903]  fallback_alloc+0x1fd/0x2d0
[ 1256.817510] 279 total pagecache pages
[ 1256.826362]  ____cache_alloc_node+0x1be/0x1e0
[ 1256.831157] 0 pages in swap cache
[ 1256.839756]  kmem_cache_alloc_node+0xe3/0x710
[ 1256.843729] Swap cache stats: add 0, delete 0, find 0/0
[ 1256.847539]  __alloc_skb+0xd5/0x5f0
[ 1256.851992] Free swap  = 0kB
[ 1256.852000] Total swap = 0kB
[ 1256.855481]  ? skb_trim+0x190/0x190
[ 1256.859961] 1965979 pages RAM
[ 1256.865454]  ? check_preemption_disabled+0x48/0x290
[ 1256.869052] 0 pages HighMem/MovableOnly
[ 1256.869061] 341741 pages reserved
[ 1256.872092]  ? lock_acquire+0x16f/0x3f0
[ 1256.875192] 0 pages cma reserved
[ 1256.875260] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1256.878854]  new_skb+0x28/0x1d0
[ 1256.882032] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1256.886949]  aoecmd_cfg+0x1b5/0x640
[ 1256.891019] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1256.894473]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1256.934748]  ? timer_reduce+0x11d0/0x11d0
[ 1256.938911]  discover_timer+0x4e/0x60
[ 1256.942710]  call_timer_fn+0x18d/0x720
[ 1256.946593]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1256.951279]  ? process_timeout+0x40/0x40
[ 1256.955332]  ? run_timer_softirq+0x644/0x16a0
[ 1256.959926]  ? trace_hardirqs_on+0x67/0x220
[ 1256.964270]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1256.968931]  run_timer_softirq+0x64f/0x16a0
[ 1256.973254]  ? add_timer+0xbe0/0xbe0
[ 1256.976961]  ? __lock_is_held+0xb6/0x140
[ 1256.981030]  __do_softirq+0x25c/0x921
[ 1256.984839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1256.990389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1256.995947]  irq_exit+0x180/0x1d0
[ 1256.999412]  smp_apic_timer_interrupt+0x13b/0x550
[ 1257.004255]  apic_timer_interrupt+0xf/0x20
[ 1257.008489]  </IRQ>
[ 1257.010731] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1257.015564] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1257.034469] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1257.042183] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1257.049444] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1257.056726] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1257.064016] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1257.071279] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1257.078570]  ? netconsole_netdev_event+0x280/0x280
[ 1257.083520]  ? console_unlock+0xf36/0x10d0
[ 1257.087765]  vprintk_emit+0x280/0x6d0
[ 1257.091566]  vprintk_default+0x28/0x30
[ 1257.095446]  vprintk_func+0x7e/0x189
[ 1257.099163]  printk+0xba/0xed
[ 1257.102265]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1257.107036]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1257.111546]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1257.116844]  dump_header+0x44b/0xa55
[ 1257.120572]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1257.125674]  ? ___ratelimit+0x60/0x595
[ 1257.129556]  ? do_raw_spin_unlock+0x181/0x270
[ 1257.134059]  oom_kill_process.cold+0x10/0x6ef
[ 1257.138555]  ? lock_downgrade+0x880/0x880
[ 1257.142750]  ? kasan_check_read+0x11/0x20
[ 1257.146922]  out_of_memory+0x362/0x1330
[ 1257.150917]  ? oom_killer_disable+0x280/0x280
[ 1257.155416]  ? mutex_trylock+0x18e/0x1e0
[ 1257.159482]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1257.164410]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1257.169260]  ? warn_alloc+0x110/0x110
[ 1257.173078]  ? __lock_is_held+0xb6/0x140
[ 1257.177150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1257.182685]  ? should_fail+0x14d/0x85c
[ 1257.186580]  ? __might_sleep+0x95/0x190
[ 1257.190575]  __alloc_pages_nodemask+0x617/0x750
[ 1257.195243]  ? kasan_check_read+0x11/0x20
[ 1257.199400]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1257.204415]  ? find_get_entry+0x3e1/0xa00
[ 1257.208579]  ? find_get_pages_contig+0xed0/0xed0
[ 1257.213329]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1257.218863]  alloc_pages_current+0x107/0x210
[ 1257.223301]  __page_cache_alloc+0x2bd/0x450
[ 1257.227634]  ? kasan_check_read+0x11/0x20
[ 1257.231798]  filemap_fault+0xfeb/0x1f00
[ 1257.237346]  ? lock_downgrade+0x880/0x880
[ 1257.241510]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1257.246184]  ? lock_acquire+0x16f/0x3f0
[ 1257.250175]  ? ext4_filemap_fault+0x7b/0xaf
[ 1257.254525]  ext4_filemap_fault+0x83/0xaf
[ 1257.258678]  __do_fault+0x111/0x480
[ 1257.262317]  __handle_mm_fault+0x2d78/0x3f80
[ 1257.266730]  ? copy_page_range+0x2030/0x2030
[ 1257.271171]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1257.275841]  handle_mm_fault+0x1b5/0x690
[ 1257.280091]  __do_page_fault+0x62a/0xe90
[ 1257.284174]  ? vmalloc_fault+0x740/0x740
[ 1257.288231]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1257.293241]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1257.298179]  ? page_fault+0x8/0x30
[ 1257.301721]  do_page_fault+0x71/0x57d
[ 1257.305513]  ? page_fault+0x8/0x30
[ 1257.309186]  page_fault+0x1e/0x30
[ 1257.312639] RIP: 0033:0x45b153
[ 1257.315837] Code: Bad RIP value.
[ 1257.319199] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1257.324567] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1257.331840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1257.339123] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1257.346401] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1257.353713] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1257.361028] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1257.361089] aoe: skb alloc failure
[ 1257.368762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1257.368790] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1257.368796] Call Trace:
[ 1257.368803]  <IRQ>
[ 1257.368821]  dump_stack+0x197/0x210
[ 1257.368842]  warn_alloc.cold+0x7b/0x173
[ 1257.372419] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1257.381719]  ? zone_watermark_ok_safe+0x260/0x260
[ 1257.388802] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1257.391389]  ? __cpuset_node_allowed+0x136/0x540
[ 1257.425635]  ? __isolate_free_page+0x4c0/0x4c0
[ 1257.430244]  ? wake_all_kswapds+0x14d/0x300
[ 1257.434591]  __alloc_pages_slowpath+0x2214/0x2870
[ 1257.439460]  ? warn_alloc+0x110/0x110
[ 1257.443255]  ? __lock_acquire+0x6ee/0x49c0
[ 1257.447495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1257.453046]  ? should_fail+0x14d/0x85c
[ 1257.456935]  ? __isolate_free_page+0x4c0/0x4c0
[ 1257.461537]  __alloc_pages_nodemask+0x617/0x750
[ 1257.466221]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1257.471241]  ? find_held_lock+0x35/0x130
[ 1257.475426]  cache_grow_begin+0x91/0x8c0
[ 1257.479501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1257.485058]  ? __cpuset_node_allowed+0x136/0x540
[ 1257.489813]  fallback_alloc+0x1fd/0x2d0
[ 1257.493790]  ____cache_alloc_node+0x1be/0x1e0
[ 1257.498302]  kmem_cache_alloc_node+0xe3/0x710
[ 1257.502812]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1257.507050]  __alloc_skb+0xd5/0x5f0
[ 1257.510690]  ? skb_trim+0x190/0x190
[ 1257.514316]  ? kasan_check_read+0x11/0x20
[ 1257.518740]  ndisc_alloc_skb+0x13c/0x340
[ 1257.522809]  ndisc_send_rs+0x35f/0x6e0
[ 1257.526763]  addrconf_rs_timer+0x30f/0x680
[ 1257.531014]  ? ipv6_get_lladdr+0x490/0x490
[ 1257.535369]  call_timer_fn+0x18d/0x720
[ 1257.539257]  ? ipv6_get_lladdr+0x490/0x490
[ 1257.543488]  ? process_timeout+0x40/0x40
[ 1257.547584]  ? run_timer_softirq+0x644/0x16a0
[ 1257.552127]  ? trace_hardirqs_on+0x67/0x220
[ 1257.556470]  ? ipv6_get_lladdr+0x490/0x490
[ 1257.560703]  run_timer_softirq+0x64f/0x16a0
[ 1257.565029]  ? add_timer+0xbe0/0xbe0
[ 1257.568807]  ? __lock_is_held+0xb6/0x140
[ 1257.573008]  __do_softirq+0x25c/0x921
[ 1257.576817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1257.582359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1257.587905]  irq_exit+0x180/0x1d0
[ 1257.591353]  smp_apic_timer_interrupt+0x13b/0x550
[ 1257.596193]  apic_timer_interrupt+0xf/0x20
[ 1257.600419]  </IRQ>
[ 1257.602709] RIP: 0010:kmem_cache_alloc+0x287/0x700
[ 1257.607639] Code: 7e 0f 85 db fe ff ff e8 08 46 5e ff e9 d1 fe ff ff e8 3d f7 cd ff 48 83 3d 9d 35 50 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 d2 1e
[ 1257.626548] RSP: 0018:ffff88807af4fc18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 1257.634265] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110053cc5f9
[ 1257.641541] RDX: 0000000000000000 RSI: ffff888029e62fa8 RDI: 0000000000000286
[ 1257.648820] RBP: ffff88807af4fc80 R08: ffff888029e62700 R09: ffff888029e62fc8
[ 1257.656096] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1257.663371] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[ 1257.670668]  ? find_held_lock+0x35/0x130
[ 1257.674727]  ? process_one_work+0x890/0x1750
[ 1257.679156]  skb_clone+0x156/0x3e0
[ 1257.682726]  batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x7b0
[ 1257.689066]  process_one_work+0x989/0x1750
[ 1257.693312]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1257.697990]  ? lock_acquire+0x16f/0x3f0
[ 1257.701965]  ? kasan_check_write+0x14/0x20
[ 1257.706240]  ? do_raw_spin_lock+0xd7/0x250
[ 1257.710593]  worker_thread+0x98/0xe40
[ 1257.714390]  ? trace_hardirqs_on+0x67/0x220
[ 1257.718727]  kthread+0x354/0x420
[ 1257.722091]  ? process_one_work+0x1750/0x1750
[ 1257.726585]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1257.732131]  ret_from_fork+0x24/0x30
[ 1257.735858] warn_alloc_show_mem: 1 callbacks suppressed
[ 1257.735868] CPU: 0 PID: 8082 Comm: syz-fuzzer Not tainted 4.19.105-syzkaller #0
[ 1257.735870] Mem-Info:
[ 1257.735899] active_anon:97994 inactive_anon:203 isolated_anon:0
[ 1257.735899]  active_file:13 inactive_file:13 isolated_file:0
[ 1257.735899]  unevictable:0 dirty:0 writeback:0 unstable:0
[ 1257.735899]  slab_reclaimable:11442 slab_unreclaimable:1405421
[ 1257.735899]  mapped:52226 shmem:253 pagetables:855 bounce:0
[ 1257.735899]  free:10948 free_pcp:188 free_cma:0
[ 1257.741230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1257.741237] Call Trace:
[ 1257.748712] Node 0 active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1012kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1257.751108]  <IRQ>
[ 1257.784107] Node 1 active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[ 1257.793461]  dump_stack+0x197/0x210
[ 1257.796038] Node 0 DMA free:10268kB min:220kB low:272kB high:324kB 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
[ 1257.823748]  warn_alloc.cold+0x7b/0x173
[ 1257.825876] lowmem_reserve[]: 0 2545 2546 2546 2546
[ 1257.851741]  ? zone_watermark_ok_safe+0x260/0x260
[ 1257.855339] Node 0 DMA32 free:13536kB min:36168kB low:45208kB high:54248kB active_anon:391512kB inactive_anon:812kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7136kB pagetables:3420kB bounce:0kB free_pcp:444kB local_pcp:164kB free_cma:0kB
[ 1257.881479]  ? __cpuset_node_allowed+0x136/0x540
[ 1257.885427] lowmem_reserve[]: 0 0 1 1 1
[ 1257.890446]  ? __isolate_free_page+0x4c0/0x4c0
[ 1257.895269] Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 1257.924199]  ? wake_all_kswapds+0x14d/0x300
[ 1257.928926] lowmem_reserve[]: 0 0 0 0 0
[ 1257.932902]  __alloc_pages_slowpath+0x2214/0x2870
[ 1257.937467] Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:464kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:308kB local_pcp:248kB free_cma:0kB
[ 1257.963279]  ? warn_alloc+0x110/0x110
[ 1257.967566] lowmem_reserve[]: 0 0 0 0 0
[ 1257.971572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1257.976399] Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10268kB
[ 1258.004262]  ? should_fail+0x14d/0x85c
[ 1258.008053] Node 0 DMA32: 436*4kB (ME) 498*8kB (UME) 184*16kB (UMEH) 70*32kB (UMH) 11*64kB (MH) 5*128kB (UH) 3*256kB (H) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13536kB
[ 1258.012043]  ? __isolate_free_page+0x4c0/0x4c0
[ 1258.017565] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 1258.030176]  __alloc_pages_nodemask+0x617/0x750
[ 1258.034034] Node 1 Normal: 5*4kB (UM) 4*8kB (UME) 2*16kB (ME) 2*32kB (ME) 2*64kB (UM) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB
[ 1258.049440]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1258.053999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1258.064659]  cache_grow_begin+0x91/0x8c0
[ 1258.069298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1258.085082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1258.090079] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[ 1258.098936]  ? __cpuset_node_allowed+0x136/0x540
[ 1258.102975] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[ 1258.111553]  fallback_alloc+0x1fd/0x2d0
[ 1258.117084] 279 total pagecache pages
[ 1258.125924]  ____cache_alloc_node+0x1be/0x1e0
[ 1258.130664] 0 pages in swap cache
[ 1258.139244]  kmem_cache_alloc_node+0xe3/0x710
[ 1258.143205] Swap cache stats: add 0, delete 0, find 0/0
[ 1258.147023]  __alloc_skb+0xd5/0x5f0
[ 1258.151482] Free swap  = 0kB
[ 1258.151491] Total swap = 0kB
[ 1258.155008]  ? skb_trim+0x190/0x190
[ 1258.159478] 1965979 pages RAM
[ 1258.164850]  ? check_preemption_disabled+0x48/0x290
[ 1258.168455] 0 pages HighMem/MovableOnly
[ 1258.171471]  ? lock_acquire+0x16f/0x3f0
[ 1258.174458] 341741 pages reserved
[ 1258.174467] 0 pages cma reserved
[ 1258.178106]  new_skb+0x28/0x1d0
[ 1258.181312] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[ 1258.186226]  aoecmd_cfg+0x1b5/0x640
[ 1258.186243]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[ 1258.186266]  ? timer_reduce+0x11d0/0x11d0
[ 1258.190283] kworker/u4:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1258.194228]  discover_timer+0x4e/0x60
[ 1258.197658] kworker/u4:2 cpuset=/ mems_allowed=0-1
[ 1258.201039]  call_timer_fn+0x18d/0x720
[ 1258.245934]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1258.250627]  ? process_timeout+0x40/0x40
[ 1258.254697]  ? run_timer_softirq+0x644/0x16a0
[ 1258.259199]  ? trace_hardirqs_on+0x67/0x220
[ 1258.263529]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[ 1258.268197]  run_timer_softirq+0x64f/0x16a0
[ 1258.272534]  ? add_timer+0xbe0/0xbe0
[ 1258.276243]  ? __lock_is_held+0xb6/0x140
[ 1258.280325]  __do_softirq+0x25c/0x921
[ 1258.284140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1258.289672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1258.295218]  irq_exit+0x180/0x1d0
[ 1258.298756]  smp_apic_timer_interrupt+0x13b/0x550
[ 1258.303632]  apic_timer_interrupt+0xf/0x20
[ 1258.307880]  </IRQ>
[ 1258.310134] RIP: 0010:console_unlock+0xf3c/0x10d0
[ 1258.314982] Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 5d 64 9d 07 00 0f 84 b6 00 00 00 e8 8a ea 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 c1 87 4d 00 e9 9b f3
[ 1258.333912] RSP: 0018:ffff88808bd17278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 1258.341638] RAX: ffff88808bb9a1c0 RBX: 0000000000000200 RCX: 1ffff1101177355b
[ 1258.349023] RDX: 0000000000000000 RSI: ffffffff8154f236 RDI: 0000000000000293
[ 1258.356291] RBP: ffff88808bd17300 R08: ffff88808bb9a1c0 R09: ffff88808bb9aad8
[ 1258.363576] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 1258.370858] R13: ffffffff84694c50 R14: 0000000000000075 R15: ffffffff8965d710
[ 1258.378327]  ? netconsole_netdev_event+0x280/0x280
[ 1258.383256]  ? console_unlock+0xf36/0x10d0
[ 1258.387502]  vprintk_emit+0x280/0x6d0
[ 1258.391303]  vprintk_default+0x28/0x30
[ 1258.395207]  vprintk_func+0x7e/0x189
[ 1258.398936]  printk+0xba/0xed
[ 1258.402091]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 1258.406862]  ? _raw_spin_unlock_irq+0x5e/0x90
[ 1258.411365]  dump_unreclaimable_slab.cold+0xde/0xef
[ 1258.416403]  dump_header+0x44b/0xa55
[ 1258.420115]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[ 1258.425249]  ? ___ratelimit+0x60/0x595
[ 1258.429149]  ? do_raw_spin_unlock+0x181/0x270
[ 1258.434018]  oom_kill_process.cold+0x10/0x6ef
[ 1258.438526]  ? lock_downgrade+0x880/0x880
[ 1258.442673]  ? kasan_check_read+0x11/0x20
[ 1258.446962]  out_of_memory+0x362/0x1330
[ 1258.450942]  ? oom_killer_disable+0x280/0x280
[ 1258.455438]  ? mutex_trylock+0x18e/0x1e0
[ 1258.459507]  ? __alloc_pages_slowpath+0xcc2/0x2870
[ 1258.464450]  __alloc_pages_slowpath+0x20b5/0x2870
[ 1258.469343]  ? warn_alloc+0x110/0x110
[ 1258.473138]  ? __lock_is_held+0xb6/0x140
[ 1258.477204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1258.482743]  ? should_fail+0x14d/0x85c
[ 1258.486635]  ? __might_sleep+0x95/0x190
[ 1258.490628]  __alloc_pages_nodemask+0x617/0x750
[ 1258.495314]  ? kasan_check_read+0x11/0x20
[ 1258.499490]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1258.504513]  ? find_get_entry+0x3e1/0xa00
[ 1258.508668]  ? find_get_pages_contig+0xed0/0xed0
[ 1258.513435]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 1258.519337]  alloc_pages_current+0x107/0x210
[ 1258.523747]  __page_cache_alloc+0x2bd/0x450
[ 1258.528069]  ? kasan_check_read+0x11/0x20
[ 1258.532210]  filemap_fault+0xfeb/0x1f00
[ 1258.536175]  ? lock_downgrade+0x880/0x880
[ 1258.540441]  ? __lock_page_or_retry+0xdc0/0xdc0
[ 1258.545155]  ? lock_acquire+0x16f/0x3f0
[ 1258.549146]  ? ext4_filemap_fault+0x7b/0xaf
[ 1258.553475]  ext4_filemap_fault+0x83/0xaf
[ 1258.557643]  __do_fault+0x111/0x480
[ 1258.561280]  __handle_mm_fault+0x2d78/0x3f80
[ 1258.565711]  ? copy_page_range+0x2030/0x2030
[ 1258.570132]  ? count_memcg_event_mm+0x2b1/0x4d0
[ 1258.574822]  handle_mm_fault+0x1b5/0x690
[ 1258.578888]  __do_page_fault+0x62a/0xe90
[ 1258.582966]  ? vmalloc_fault+0x740/0x740
[ 1258.587046]  ? trace_hardirqs_off_caller+0x65/0x220
[ 1258.592078]  ? trace_hardirqs_on_caller+0x6a/0x220
[ 1258.597031]  ? page_fault+0x8/0x30
[ 1258.600839]  do_page_fault+0x71/0x57d
[ 1258.604659]  ? page_fault+0x8/0x30
[ 1258.608214]  page_fault+0x1e/0x30
[ 1258.611677] RIP: 0033:0x45b153
[ 1258.614874] Code: Bad RIP value.
[ 1258.618236] RSP: 002b:000000c42003e6a0 EFLAGS: 00010206
[ 1258.623607] RAX: ffffffffffffff92 RBX: 000000003b975427 RCX: 000000000045b153
[ 1258.630893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e56ce0
[ 1258.638277] RBP: 000000c42003e6e8 R08: 0000000000000000 R09: 0000000000000000
[ 1258.645645] R10: 000000c42003e6d8 R11: 0000000000000206 R12: 000000c42e27f000
[ 1258.652915] R13: 00000000000000bc R14: 0000000000000000 R15: 0000000000000000
[ 1258.660213] CPU: 1 PID: 22474 Comm: kworker/u4:2 Not tainted 4.19.105-syzkaller #0
[ 1258.660269] aoe: skb alloc failure
[ 1258.667917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1258.667945] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 1258.671532] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[ 1258.680836] Call Trace:
[ 1258.687933] syz-fuzzer cpuset=/ mems_allowed=0-1
[ 1258.698145]  <IRQ>
[ 1258.707625]  dump_stack+0x197/0x210
[ 1258.711273]  warn_alloc.cold+0x7b/0x173
[ 1258.715262]  ? zone_watermark_ok_safe+0x260/0x260
[ 1258.720120]  ? __cpuset_node_allowed+0x136/0x540
[ 1258.724895]  ? __isolate_free_page+0x4c0/0x4c0
[ 1258.729573]  ? wake_all_kswapds+0x14d/0x300
[ 1258.733925]  __alloc_pages_slowpath+0x2214/0x2870
[ 1258.738796]  ? warn_alloc+0x110/0x110
[ 1258.742595]  ? __lock_acquire+0x6ee/0x49c0
[ 1258.746835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1258.752391]  ? should_fail+0x14d/0x85c
[ 1258.756281]  ? __isolate_free_page+0x4c0/0x4c0
[ 1258.760879]  __alloc_pages_nodemask+0x617/0x750
[ 1258.765562]  ? __alloc_pages_slowpath+0x2870/0x2870
[ 1258.770596]  ? find_held_lock+0x35/0x130
[ 1258.774666]  cache_grow_begin+0x91/0x8c0
[ 1258.778731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1258.784278]  ? __cpuset_node_allowed+0x136/0x540
[ 1258.789033]  fallback_alloc+0x1fd/0x2d0
[ 1258.793024]  ____cache_alloc_node+0x1be/0x1e0
[ 1258.797540]  kmem_cache_alloc_node+0xe3/0x710
[ 1258.802046]  ? ipv6_get_ifaddr+0x36c/0x4f0
[ 1258.806287]  __alloc_skb+0xd5/0x5f0
[ 1258.809910]  ? skb_trim+0x190/0x190
[ 1258.813544]  ? kasan_check_read+0x11/0x20
[ 1258.817708]  ndisc_alloc_skb+0x13c/0x340
[ 1258.821782]  ndisc_send_rs+0x35f/0x6e0
[ 1258.825683]  addrconf_rs_timer+0x30f/0x680
[ 1258.829918]  ? ipv6_get_lladdr+0x490/0x490
[ 1258.834279]  call_timer_fn+0x18d/0x720
[ 1258.838188]  ? ipv6_get_lladdr+0x490/0x490
[ 1258.842421]  ? process_timeout+0x40/0x40
[ 1258.846495]  ? run_timer_softirq+0x644/0x16a0
[ 1258.851078]  ? trace_hardirqs_on+0x67/0x220
[ 1258.855410]  ? ipv6_get_lladdr+0x490/0x490
[ 1258.859650]  run_timer_softirq+0x64f/0x16a0
[ 1258.863977]  ? add_timer+0xbe0/0xbe0
[ 1258.867694]  ? __lock_is_held+0xb6/0x140
[ 1258.871781]  __do_softirq+0x25c/0x921
[ 1258.875587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1258.881133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 1258.886765]  irq_exit+0x180/0x1d0
[ 1258.890219]  smp_apic_timer_interrupt+0x13b/0x550