et=/ mems_allowed=0-1
[  496.940380]  ? __isolate_free_page+0x4c0/0x4c0
[  496.977835]  ? wake_all_kswapds+0x14d/0x300
[  496.982193]  __alloc_pages_slowpath+0x2214/0x2870
[  496.987050]  ? warn_alloc+0x110/0x110
[  496.991116]  ? __lock_acquire+0x6ee/0x49c0
[  496.995498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.001051]  ? should_fail+0x14d/0x85c
[  497.004971]  ? __isolate_free_page+0x4c0/0x4c0
[  497.009575]  __alloc_pages_nodemask+0x617/0x750
[  497.014265]  ? __alloc_pages_slowpath+0x2870/0x2870
[  497.019813]  ? find_held_lock+0x35/0x130
[  497.023921]  cache_grow_begin+0x91/0x8c0
[  497.028007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.033559]  ? __cpuset_node_allowed+0x136/0x540
[  497.038322]  fallback_alloc+0x1fd/0x2d0
[  497.042521]  ____cache_alloc_node+0x1be/0x1e0
[  497.047058]  kmem_cache_alloc_node+0xe3/0x710
[  497.051554]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  497.055806]  __alloc_skb+0xd5/0x5f0
[  497.059432]  ? skb_trim+0x190/0x190
[  497.063191]  ? kasan_check_read+0x11/0x20
[  497.067356]  ndisc_alloc_skb+0x13c/0x340
[  497.071427]  ndisc_send_rs+0x35f/0x6e0
[  497.075328]  addrconf_rs_timer+0x30f/0x680
[  497.079577]  ? ipv6_get_lladdr+0x490/0x490
[  497.084169]  call_timer_fn+0x18d/0x720
[  497.088064]  ? ipv6_get_lladdr+0x490/0x490
[  497.092316]  ? process_timeout+0x40/0x40
[  497.096387]  ? run_timer_softirq+0x644/0x16a0
[  497.101033]  ? trace_hardirqs_on+0x67/0x220
[  497.105375]  ? ipv6_get_lladdr+0x490/0x490
[  497.109604]  run_timer_softirq+0x64f/0x16a0
[  497.113950]  ? add_timer+0xbe0/0xbe0
[  497.117681]  ? __lock_is_held+0xb6/0x140
[  497.121762]  __do_softirq+0x25c/0x921
[  497.125604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.131146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.137109]  irq_exit+0x180/0x1d0
[  497.140577]  smp_apic_timer_interrupt+0x13b/0x550
[  497.145459]  apic_timer_interrupt+0xf/0x20
[  497.149820]  </IRQ>
[  497.152057] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  497.156993] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  497.176145] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  497.184052] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  497.191358] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  497.198671] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  497.205973] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  497.213462] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  497.220774]  ? finish_task_switch+0x146/0x7c0
[  497.225292]  skb_clone+0x156/0x3e0
[  497.228855]  bpf_clone_redirect+0xb2/0x480
[  497.234160]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  497.239481]  ? mark_held_locks+0x100/0x100
[  497.244034]  ? __schedule+0x86e/0x1dc0
[  497.248142]  ? retint_kernel+0x2d/0x2d
[  497.252238]  ? firmware_map_remove+0x1a7/0x1a7
[  497.256960]  ? bpf_test_run+0x146/0x430
[  497.261148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.266912]  ? check_preemption_disabled+0x48/0x290
[  497.272013]  ? lock_acquire+0x16f/0x3f0
[  497.276012]  ? kasan_check_read+0x11/0x20
[  497.280256]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  497.285719]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  497.291289]  bpf_test_run+0x10d/0x430
[  497.295133]  bpf_prog_test_run_skb+0x64b/0xb20
[  497.299913]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  497.304875]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  497.309832]  bpf_prog_test_run+0x129/0x1a0
[  497.314182]  __x64_sys_bpf+0x397/0x4c0
[  497.318339]  ? bpf_prog_get+0x20/0x20
[  497.322189]  ? do_syscall_64+0x26/0x620
[  497.326204]  ? lockdep_hardirqs_on+0x415/0x5d0
[  497.330793]  ? trace_hardirqs_on+0x67/0x220
[  497.335144]  do_syscall_64+0xfd/0x620
[  497.339056]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  497.344553] RIP: 0033:0x45b349
[  497.347961] Code: Bad RIP value.
[  497.351340] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  497.359052] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  497.366522] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  497.373801] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  497.381381] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  497.388659] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  497.395968] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  497.395973] warn_alloc_show_mem: 1 callbacks suppressed
[  497.395981] Mem-Info:
[  497.403573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  497.408950] active_anon:162126 inactive_anon:206 isolated_anon:0
[  497.408950]  active_file:14 inactive_file:11 isolated_file:0
[  497.408950]  unevictable:0 dirty:0 writeback:0 unstable:0
[  497.408950]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  497.408950]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  497.408950]  free:10931 free_pcp:206 free_cma:0
[  497.411361] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  497.420748] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  497.454535] Call Trace:
[  497.461772] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  497.489360]  <IRQ>
[  497.491952] 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
[  497.517896]  dump_stack+0x197/0x210
[  497.520024] lowmem_reserve[]: 0 2545 2546 2546 2546
[  497.546619]  warn_alloc.cold+0x7b/0x173
[  497.550221] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  497.555268]  ? zone_watermark_ok_safe+0x260/0x260
[  497.559218] lowmem_reserve[]: 0 0 1 1 1
[  497.589084]  ? __cpuset_node_allowed+0x136/0x540
[  497.593929] 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
[  497.597950]  ? __isolate_free_page+0x4c0/0x4c0
[  497.602694] lowmem_reserve[]: 0 0 0 0 0
[  497.628869]  ? wake_all_kswapds+0x14d/0x300
[  497.633782] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  497.637777]  __alloc_pages_slowpath+0x2214/0x2870
[  497.642122] lowmem_reserve[]: 0 0 0 0 0
[  497.669686]  ? warn_alloc+0x110/0x110
[  497.674518] 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
[  497.678504]  ? __lock_acquire+0x6ee/0x49c0
[  497.682290] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  497.694790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.699011] 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
[  497.713265]  ? should_fail+0x14d/0x85c
[  497.718941] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  497.729818]  ? __isolate_free_page+0x4c0/0x4c0
[  497.733705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  497.749329]  __alloc_pages_nodemask+0x617/0x750
[  497.753982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  497.753999] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  497.762961]  ? __alloc_pages_slowpath+0x2870/0x2870
[  497.767628] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  497.776427]  ? find_held_lock+0x35/0x130
[  497.785243] 281 total pagecache pages
[  497.790271]  cache_grow_begin+0x91/0x8c0
[  497.798834] 0 pages in swap cache
[  497.803148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.806944] Swap cache stats: add 0, delete 0, find 0/0
[  497.806953] Free swap  = 0kB
[  497.811129]  ? __cpuset_node_allowed+0x136/0x540
[  497.814570] Total swap = 0kB
[  497.814579] 1965979 pages RAM
[  497.820130]  fallback_alloc+0x1fd/0x2d0
[  497.825683] 0 pages HighMem/MovableOnly
[  497.825692] 341724 pages reserved
[  497.828727]  ____cache_alloc_node+0x1be/0x1e0
[  497.833475] 0 pages cma reserved
[  497.833555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  497.836518]  kmem_cache_alloc_node+0xe3/0x710
[  497.839949] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  497.843889]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  497.847855] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  497.851413]  __alloc_skb+0xd5/0x5f0
[  497.897406]  ? skb_trim+0x190/0x190
[  497.901060]  ? kasan_check_read+0x11/0x20
[  497.905224]  ndisc_alloc_skb+0x13c/0x340
[  497.909298]  ndisc_send_rs+0x35f/0x6e0
[  497.913194]  addrconf_rs_timer+0x30f/0x680
[  497.917452]  ? ipv6_get_lladdr+0x490/0x490
[  497.921720]  call_timer_fn+0x18d/0x720
[  497.925721]  ? ipv6_get_lladdr+0x490/0x490
[  497.929963]  ? process_timeout+0x40/0x40
[  497.934025]  ? run_timer_softirq+0x644/0x16a0
[  497.938626]  ? trace_hardirqs_on+0x67/0x220
[  497.943039]  ? ipv6_get_lladdr+0x490/0x490
[  497.947286]  run_timer_softirq+0x64f/0x16a0
[  497.951613]  ? add_timer+0xbe0/0xbe0
[  497.955325]  ? __lock_is_held+0xb6/0x140
[  497.959416]  __do_softirq+0x25c/0x921
[  497.963227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.968930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.974489]  irq_exit+0x180/0x1d0
[  497.977941]  smp_apic_timer_interrupt+0x13b/0x550
[  497.982801]  apic_timer_interrupt+0xf/0x20
[  497.987050]  </IRQ>
[  497.989287] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  497.994219] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  498.013823] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  498.021628] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  498.028919] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  498.036271] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  498.043666] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  498.051804] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  498.059119]  ? mark_held_locks+0xb1/0x100
[  498.063357]  ? __netdev_alloc_skb+0x370/0x470
[  498.067868]  __build_skb+0x3e/0x310
[  498.071698]  __netdev_alloc_skb+0x2ba/0x470
[  498.076114]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  498.081064]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  498.086430]  ? find_held_lock+0x35/0x130
[  498.090496]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  498.094932]  ? check_preemption_disabled+0x48/0x290
[  498.099958]  ? prandom_u32_state+0x13/0x180
[  498.104294]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  498.109677]  ? kmem_cache_alloc+0x32a/0x700
[  498.114112]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  498.119177]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  498.125556]  process_one_work+0x989/0x1750
[  498.129817]  ? pwq_dec_nr_in_flight+0x320/0x320
[  498.134587]  ? lock_acquire+0x16f/0x3f0
[  498.138632]  ? kasan_check_write+0x14/0x20
[  498.142982]  ? do_raw_spin_lock+0xd7/0x250
[  498.147234]  worker_thread+0x98/0xe40
[  498.151063]  kthread+0x354/0x420
[  498.154558]  ? process_one_work+0x1750/0x1750
[  498.159060]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  498.164618]  ret_from_fork+0x24/0x30
[  498.168352] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  498.168414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  498.176274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  498.176278] Call Trace:
[  498.176285]  <IRQ>
[  498.176302]  dump_stack+0x197/0x210
[  498.176322]  warn_alloc.cold+0x7b/0x173
[  498.176339]  ? zone_watermark_ok_safe+0x260/0x260
[  498.182875] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  498.192199]  ? __cpuset_node_allowed+0x136/0x540
[  498.196019] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  498.198208]  ? __isolate_free_page+0x4c0/0x4c0
[  498.235917]  ? wake_all_kswapds+0x14d/0x300
[  498.240259]  __alloc_pages_slowpath+0x2214/0x2870
[  498.245214]  ? warn_alloc+0x110/0x110
[  498.249024]  ? __lock_acquire+0x6ee/0x49c0
[  498.253274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.258920]  ? should_fail+0x14d/0x85c
[  498.262928]  ? __isolate_free_page+0x4c0/0x4c0
[  498.267880]  __alloc_pages_nodemask+0x617/0x750
[  498.272564]  ? __alloc_pages_slowpath+0x2870/0x2870
[  498.277584]  ? find_held_lock+0x35/0x130
[  498.281656]  cache_grow_begin+0x91/0x8c0
[  498.285730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.291465]  ? __cpuset_node_allowed+0x136/0x540
[  498.296256]  fallback_alloc+0x1fd/0x2d0
[  498.300235]  ____cache_alloc_node+0x1be/0x1e0
[  498.304747]  kmem_cache_alloc_node+0xe3/0x710
[  498.309273]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  498.314295]  __alloc_skb+0xd5/0x5f0
[  498.317929]  ? skb_trim+0x190/0x190
[  498.321564]  ? kasan_check_read+0x11/0x20
[  498.325822]  ndisc_alloc_skb+0x13c/0x340
[  498.329985]  ndisc_send_rs+0x35f/0x6e0
[  498.333897]  addrconf_rs_timer+0x30f/0x680
[  498.338231]  ? ipv6_get_lladdr+0x490/0x490
[  498.342560]  call_timer_fn+0x18d/0x720
[  498.346446]  ? ipv6_get_lladdr+0x490/0x490
[  498.350720]  ? process_timeout+0x40/0x40
[  498.354791]  ? run_timer_softirq+0x644/0x16a0
[  498.359297]  ? trace_hardirqs_on+0x67/0x220
[  498.363616]  ? ipv6_get_lladdr+0x490/0x490
[  498.367845]  run_timer_softirq+0x64f/0x16a0
[  498.372181]  ? add_timer+0xbe0/0xbe0
[  498.376004]  ? __lock_is_held+0xb6/0x140
[  498.380139]  __do_softirq+0x25c/0x921
[  498.383959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.389606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.395407]  irq_exit+0x180/0x1d0
[  498.399005]  smp_apic_timer_interrupt+0x13b/0x550
[  498.404164]  apic_timer_interrupt+0xf/0x20
[  498.408769]  </IRQ>
[  498.411093] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  498.416514] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  498.436386] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  498.444747] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  498.452040] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  498.459323] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  498.466672] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  498.474041] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  498.481451]  ? finish_task_switch+0x146/0x7c0
[  498.485970]  skb_clone+0x156/0x3e0
[  498.489549]  bpf_clone_redirect+0xb2/0x480
[  498.493824]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  498.499342]  ? mark_held_locks+0x100/0x100
[  498.503681]  ? __schedule+0x86e/0x1dc0
[  498.507681]  ? retint_kernel+0x2d/0x2d
[  498.511682]  ? firmware_map_remove+0x1a7/0x1a7
[  498.516364]  ? bpf_test_run+0x146/0x430
[  498.520375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.525948]  ? check_preemption_disabled+0x48/0x290
[  498.531088]  ? lock_acquire+0x16f/0x3f0
[  498.536730]  ? kasan_check_read+0x11/0x20
[  498.541068]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  498.546476]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  498.552180]  bpf_test_run+0x10d/0x430
[  498.556095]  bpf_prog_test_run_skb+0x64b/0xb20
[  498.560900]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  498.565976]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  498.570854]  bpf_prog_test_run+0x129/0x1a0
[  498.575112]  __x64_sys_bpf+0x397/0x4c0
[  498.578998]  ? bpf_prog_get+0x20/0x20
[  498.582901]  ? do_syscall_64+0x26/0x620
[  498.586895]  ? lockdep_hardirqs_on+0x415/0x5d0
[  498.591682]  ? trace_hardirqs_on+0x67/0x220
[  498.596165]  do_syscall_64+0xfd/0x620
[  498.600056]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  498.605264] RIP: 0033:0x45b349
[  498.608466] Code: Bad RIP value.
[  498.611821] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  498.619552] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  498.626817] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  498.634117] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  498.641802] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  498.649079] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  498.656374] warn_alloc_show_mem: 1 callbacks suppressed
[  498.656384] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  498.656386] Mem-Info:
[  498.656416] active_anon:162126 inactive_anon:206 isolated_anon:0
[  498.656416]  active_file:14 inactive_file:11 isolated_file:0
[  498.656416]  unevictable:0 dirty:0 writeback:0 unstable:0
[  498.656416]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  498.656416]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  498.656416]  free:10931 free_pcp:206 free_cma:0
[  498.661760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  498.669329] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  498.671739] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  498.705131] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  498.714594] Call Trace:
[  498.714607]  <IRQ>
[  498.742215] 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
[  498.749344]  dump_stack+0x197/0x210
[  498.775023] lowmem_reserve[]: 0 2545 2546 2546 2546
[  498.777746]  warn_alloc.cold+0x7b/0x173
[  498.779871] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  498.806201]  ? zone_watermark_ok_safe+0x260/0x260
[  498.809837] lowmem_reserve[]: 0 0 1 1 1
[  498.814970]  ? __cpuset_node_allowed+0x136/0x540
[  498.818930] 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
[  498.848425]  ? __isolate_free_page+0x4c0/0x4c0
[  498.853236] lowmem_reserve[]: 0 0 0 0 0
[  498.857279]  ? wake_all_kswapds+0x14d/0x300
[  498.862026] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  498.888173]  __alloc_pages_slowpath+0x2214/0x2870
[  498.892789] lowmem_reserve[]: 0 0 0 0 0
[  498.897117]  ? warn_alloc+0x110/0x110
[  498.901401] 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
[  498.929656]  ? __lock_acquire+0x6ee/0x49c0
[  498.934489] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  498.938817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.942706] 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
[  498.955216]  ? should_fail+0x14d/0x85c
[  498.959426] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  498.973150]  ? __isolate_free_page+0x4c0/0x4c0
[  498.978834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  498.989517]  __alloc_pages_nodemask+0x617/0x750
[  498.994346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  498.994360] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  499.009977]  ? __alloc_pages_slowpath+0x2870/0x2870
[  499.014543] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  499.023386]  ? find_held_lock+0x35/0x130
[  499.028038] 281 total pagecache pages
[  499.036619]  cache_grow_begin+0x91/0x8c0
[  499.045579] 0 pages in swap cache
[  499.050609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.059196] Swap cache stats: add 0, delete 0, find 0/0
[  499.063257]  ? __cpuset_node_allowed+0x136/0x540
[  499.067041] Free swap  = 0kB
[  499.071115]  fallback_alloc+0x1fd/0x2d0
[  499.074559] Total swap = 0kB
[  499.074569] 1965979 pages RAM
[  499.080110]  ____cache_alloc_node+0x1be/0x1e0
[  499.085446] 0 pages HighMem/MovableOnly
[  499.085455] 341724 pages reserved
[  499.090212]  kmem_cache_alloc_node+0xe3/0x710
[  499.093328] 0 pages cma reserved
[  499.097312]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  499.100378] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  499.103439]  __alloc_skb+0xd5/0x5f0
[  499.103454]  ? skb_trim+0x190/0x190
[  499.103471]  ? kasan_check_read+0x11/0x20
[  499.108024] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  499.112103]  ndisc_alloc_skb+0x13c/0x340
[  499.115538] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  499.120047]  ndisc_send_rs+0x35f/0x6e0
[  499.170331]  addrconf_rs_timer+0x30f/0x680
[  499.174586]  ? ipv6_get_lladdr+0x490/0x490
[  499.178842]  call_timer_fn+0x18d/0x720
[  499.182739]  ? ipv6_get_lladdr+0x490/0x490
[  499.186974]  ? process_timeout+0x40/0x40
[  499.191037]  ? run_timer_softirq+0x644/0x16a0
[  499.195552]  ? trace_hardirqs_on+0x67/0x220
[  499.199923]  ? ipv6_get_lladdr+0x490/0x490
[  499.204169]  run_timer_softirq+0x64f/0x16a0
[  499.208520]  ? add_timer+0xbe0/0xbe0
[  499.212258]  ? __lock_is_held+0xb6/0x140
[  499.216383]  __do_softirq+0x25c/0x921
[  499.220233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.225825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  499.231509]  irq_exit+0x180/0x1d0
[  499.234987]  smp_apic_timer_interrupt+0x13b/0x550
[  499.239971]  apic_timer_interrupt+0xf/0x20
[  499.244207]  </IRQ>
[  499.246445] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  499.251396] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  499.270575] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  499.278289] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  499.285580] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  499.292932] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  499.300211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  499.307507] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  499.314811]  ? mark_held_locks+0xb1/0x100
[  499.319002]  ? __netdev_alloc_skb+0x370/0x470
[  499.323518]  __build_skb+0x3e/0x310
[  499.327179]  __netdev_alloc_skb+0x2ba/0x470
[  499.331515]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  499.336511]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  499.341983]  ? find_held_lock+0x35/0x130
[  499.346221]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  499.350644]  ? check_preemption_disabled+0x48/0x290
[  499.355694]  ? prandom_u32_state+0x13/0x180
[  499.360037]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  499.365251]  ? kmem_cache_alloc+0x32a/0x700
[  499.369608]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  499.374565]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  499.380909]  process_one_work+0x989/0x1750
[  499.385167]  ? pwq_dec_nr_in_flight+0x320/0x320
[  499.389846]  ? lock_acquire+0x16f/0x3f0
[  499.393860]  ? kasan_check_write+0x14/0x20
[  499.398108]  ? do_raw_spin_lock+0xd7/0x250
[  499.402362]  worker_thread+0x98/0xe40
[  499.406189]  kthread+0x354/0x420
[  499.409659]  ? process_one_work+0x1750/0x1750
[  499.414349]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  499.420069]  ret_from_fork+0x24/0x30
[  499.423822] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  499.423912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  499.431630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  499.431640] Call Trace:
[  499.438293] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  499.447509]  <IRQ>
[  499.450110] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  499.460538]  dump_stack+0x197/0x210
[  499.471243]  warn_alloc.cold+0x7b/0x173
[  499.475239]  ? zone_watermark_ok_safe+0x260/0x260
[  499.480097]  ? __cpuset_node_allowed+0x136/0x540
[  499.484979]  ? __isolate_free_page+0x4c0/0x4c0
[  499.489612]  ? wake_all_kswapds+0x14d/0x300
[  499.493963]  __alloc_pages_slowpath+0x2214/0x2870
[  499.498822]  ? warn_alloc+0x110/0x110
[  499.502780]  ? __lock_acquire+0x6ee/0x49c0
[  499.507017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  499.512564]  ? should_fail+0x14d/0x85c
[  499.516454]  ? __isolate_free_page+0x4c0/0x4c0
[  499.521152]  __alloc_pages_nodemask+0x617/0x750
[  499.525856]  ? __alloc_pages_slowpath+0x2870/0x2870
[  499.530936]  ? find_held_lock+0x35/0x130
[  499.535016]  cache_grow_begin+0x91/0x8c0
[  499.539221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.544755]  ? __cpuset_node_allowed+0x136/0x540
[  499.549510]  fallback_alloc+0x1fd/0x2d0
[  499.553508]  ____cache_alloc_node+0x1be/0x1e0
[  499.558003]  kmem_cache_alloc_node+0xe3/0x710
[  499.562493]  ? mark_held_locks+0x100/0x100
[  499.566751]  __alloc_skb+0xd5/0x5f0
[  499.570375]  ? skb_trim+0x190/0x190
[  499.574017]  ? __local_bh_enable_ip+0x15a/0x270
[  499.579070]  ? lock_downgrade+0x880/0x880
[  499.583342]  ndisc_alloc_skb+0x13c/0x340
[  499.587419]  ndisc_send_rs+0x7c/0x6e0
[  499.591220]  addrconf_rs_timer+0x30f/0x680
[  499.595632]  ? ipv6_get_lladdr+0x490/0x490
[  499.599885]  call_timer_fn+0x18d/0x720
[  499.603786]  ? ipv6_get_lladdr+0x490/0x490
[  499.608035]  ? process_timeout+0x40/0x40
[  499.612225]  ? run_timer_softirq+0x644/0x16a0
[  499.617081]  ? trace_hardirqs_on+0x67/0x220
[  499.621715]  ? ipv6_get_lladdr+0x490/0x490
[  499.625980]  run_timer_softirq+0x64f/0x16a0
[  499.630319]  ? add_timer+0xbe0/0xbe0
[  499.634137]  ? __lock_is_held+0xb6/0x140
[  499.638316]  __do_softirq+0x25c/0x921
[  499.642131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.647673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.653376]  irq_exit+0x180/0x1d0
[  499.656846]  smp_apic_timer_interrupt+0x13b/0x550
[  499.661884]  apic_timer_interrupt+0xf/0x20
[  499.666188]  </IRQ>
[  499.668445] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  499.673479] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  499.692408] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  499.704129] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  499.711625] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  499.718990] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  499.726291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  499.733573] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  499.741092]  ? finish_task_switch+0x146/0x7c0
[  499.745683]  skb_clone+0x156/0x3e0
[  499.749342]  bpf_clone_redirect+0xb2/0x480
[  499.753673]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  499.758811]  ? mark_held_locks+0x100/0x100
[  499.763064]  ? __schedule+0x86e/0x1dc0
[  499.766960]  ? retint_kernel+0x2d/0x2d
[  499.770912]  ? firmware_map_remove+0x1a7/0x1a7
[  499.775510]  ? bpf_test_run+0x146/0x430
[  499.779501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.785039]  ? check_preemption_disabled+0x48/0x290
[  499.790087]  ? lock_acquire+0x16f/0x3f0
[  499.794066]  ? kasan_check_read+0x11/0x20
[  499.798210]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  499.803442]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  499.809119]  bpf_test_run+0x10d/0x430
[  499.813058]  bpf_prog_test_run_skb+0x64b/0xb20
[  499.817778]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  499.822638]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  499.827492]  bpf_prog_test_run+0x129/0x1a0
[  499.831863]  __x64_sys_bpf+0x397/0x4c0
[  499.836759]  ? bpf_prog_get+0x20/0x20
[  499.841196]  ? do_syscall_64+0x26/0x620
[  499.845446]  ? lockdep_hardirqs_on+0x415/0x5d0
[  499.850046]  ? trace_hardirqs_on+0x67/0x220
[  499.854395]  do_syscall_64+0xfd/0x620
[  499.858206]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  499.863491] RIP: 0033:0x45b349
[  499.866758] Code: Bad RIP value.
[  499.870135] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  499.878118] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  499.885527] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  499.893052] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  499.900437] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  499.907892] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  499.915639] warn_alloc_show_mem: 1 callbacks suppressed
[  499.915650] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  499.915652] Mem-Info:
[  499.915683] active_anon:162126 inactive_anon:206 isolated_anon:0
[  499.915683]  active_file:14 inactive_file:11 isolated_file:0
[  499.915683]  unevictable:0 dirty:0 writeback:0 unstable:0
[  499.915683]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  499.915683]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  499.915683]  free:10931 free_pcp:206 free_cma:0
[  499.921041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  499.921067] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  499.928676] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  499.931250] Call Trace:
[  499.965208] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  499.974648]  <IRQ>
[  499.981865] 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
[  500.011918]  dump_stack+0x197/0x210
[  500.014489] lowmem_reserve[]: 0 2545 2546 2546 2546
[  500.040814]  warn_alloc.cold+0x7b/0x173
[  500.043075] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  500.069445]  ? zone_watermark_ok_safe+0x260/0x260
[  500.073058] lowmem_reserve[]: 0 0 1 1 1
[  500.078292]  ? __cpuset_node_allowed+0x136/0x540
[  500.082370] 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
[  500.112735]  ? __isolate_free_page+0x4c0/0x4c0
[  500.117574] lowmem_reserve[]: 0 0 0 0 0
[  500.121657]  ? wake_all_kswapds+0x14d/0x300
[  500.126398] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  500.152626]  __alloc_pages_slowpath+0x2214/0x2870
[  500.157181] lowmem_reserve[]: 0 0 0 0 0
[  500.161203]  ? warn_alloc+0x110/0x110
[  500.165491] 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
[  500.193284]  ? __lock_acquire+0x6ee/0x49c0
[  500.198108] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  500.202078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  500.205880] 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
[  500.218412]  ? should_fail+0x14d/0x85c
[  500.222624] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  500.236022]  ? __isolate_free_page+0x4c0/0x4c0
[  500.241526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  500.252293]  __alloc_pages_nodemask+0x617/0x750
[  500.256174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  500.271805]  ? __alloc_pages_slowpath+0x2870/0x2870
[  500.276383] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  500.285314]  ? find_held_lock+0x35/0x130
[  500.289961] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  500.298537]  cache_grow_begin+0x91/0x8c0
[  500.303534] 281 total pagecache pages
[  500.312382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.316445] 0 pages in swap cache
[  500.325026]  ? __cpuset_node_allowed+0x136/0x540
[  500.329080] Swap cache stats: add 0, delete 0, find 0/0
[  500.329090] Free swap  = 0kB
[  500.332907]  fallback_alloc+0x1fd/0x2d0
[  500.338421] Total swap = 0kB
[  500.341890]  ____cache_alloc_node+0x1be/0x1e0
[  500.347148] 1965979 pages RAM
[  500.352505]  kmem_cache_alloc+0x1f3/0x700
[  500.355505] 0 pages HighMem/MovableOnly
[  500.355514] 341724 pages reserved
[  500.359510]  ? mark_held_locks+0xb1/0x100
[  500.362509] 0 pages cma reserved
[  500.367012]  ? __netdev_alloc_skb+0x370/0x470
[  500.370305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  500.374400]  __build_skb+0x3e/0x310
[  500.374418]  __netdev_alloc_skb+0x2ba/0x470
[  500.374441]  send_hsr_supervision_frame+0x110/0xfc0
[  500.378479] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  500.381888]  ? lock_acquire+0x16f/0x3f0
[  500.386074] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  500.389445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  500.438339]  hsr_announce+0x12f/0x3b0
[  500.442164]  call_timer_fn+0x18d/0x720
[  500.446069]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  500.451273]  ? process_timeout+0x40/0x40
[  500.455350]  ? run_timer_softirq+0x644/0x16a0
[  500.459851]  ? trace_hardirqs_on+0x67/0x220
[  500.464191]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  500.469438]  run_timer_softirq+0x64f/0x16a0
[  500.473779]  ? add_timer+0xbe0/0xbe0
[  500.477509]  ? __lock_is_held+0xb6/0x140
[  500.481591]  __do_softirq+0x25c/0x921
[  500.485396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.490946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  500.496500]  irq_exit+0x180/0x1d0
[  500.499957]  smp_apic_timer_interrupt+0x13b/0x550
[  500.505330]  apic_timer_interrupt+0xf/0x20
[  500.509555]  </IRQ>
[  500.511907] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  500.516852] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  500.535760] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  500.545651] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  500.552930] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  500.560269] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  500.567543] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  500.574805] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  500.582102]  ? mark_held_locks+0xb1/0x100
[  500.586268]  ? __netdev_alloc_skb+0x370/0x470
[  500.590813]  __build_skb+0x3e/0x310
[  500.594442]  __netdev_alloc_skb+0x2ba/0x470
[  500.598764]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  500.603606]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  500.609107]  ? find_held_lock+0x35/0x130
[  500.613172]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  500.617575]  ? check_preemption_disabled+0x48/0x290
[  500.622606]  ? prandom_u32_state+0x13/0x180
[  500.626929]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  500.632139]  ? kmem_cache_alloc+0x32a/0x700
[  500.636477]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  500.641573]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  500.647915]  process_one_work+0x989/0x1750
[  500.652167]  ? pwq_dec_nr_in_flight+0x320/0x320
[  500.656841]  ? lock_acquire+0x16f/0x3f0
[  500.660816]  ? kasan_check_write+0x14/0x20
[  500.665056]  ? do_raw_spin_lock+0xd7/0x250
[  500.669318]  worker_thread+0x98/0xe40
[  500.673141]  kthread+0x354/0x420
[  500.676504]  ? process_one_work+0x1750/0x1750
[  500.681011]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  500.686545]  ret_from_fork+0x24/0x30
[  500.690271] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  500.690384] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  500.698092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  500.708605] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  500.717966] Call Trace:
[  500.717978]  <IRQ>
[  500.727632]  dump_stack+0x197/0x210
[  500.731286]  warn_alloc.cold+0x7b/0x173
[  500.735319]  ? zone_watermark_ok_safe+0x260/0x260
[  500.740272]  ? __cpuset_node_allowed+0x136/0x540
[  500.745046]  ? __isolate_free_page+0x4c0/0x4c0
[  500.749622]  ? wake_all_kswapds+0x14d/0x300
[  500.754003]  __alloc_pages_slowpath+0x2214/0x2870
[  500.758884]  ? warn_alloc+0x110/0x110
[  500.762689]  ? __lock_acquire+0x6ee/0x49c0
[  500.766938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  500.772492]  ? should_fail+0x14d/0x85c
[  500.776392]  ? __isolate_free_page+0x4c0/0x4c0
[  500.780977]  __alloc_pages_nodemask+0x617/0x750
[  500.785659]  ? __alloc_pages_slowpath+0x2870/0x2870
[  500.790681]  ? find_held_lock+0x35/0x130
[  500.794870]  cache_grow_begin+0x91/0x8c0
[  500.798942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.804489]  ? __cpuset_node_allowed+0x136/0x540
[  500.809266]  fallback_alloc+0x1fd/0x2d0
[  500.813263]  ____cache_alloc_node+0x1be/0x1e0
[  500.817751]  kmem_cache_alloc+0x1f3/0x700
[  500.821905]  ? mark_held_locks+0xb1/0x100
[  500.826053]  ? __netdev_alloc_skb+0x370/0x470
[  500.830570]  __build_skb+0x3e/0x310
[  500.834234]  __netdev_alloc_skb+0x2ba/0x470
[  500.838564]  send_hsr_supervision_frame+0x110/0xfc0
[  500.843587]  ? lock_acquire+0x16f/0x3f0
[  500.847584]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  500.852599]  hsr_announce+0x12f/0x3b0
[  500.856397]  call_timer_fn+0x18d/0x720
[  500.860352]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  500.865580]  ? process_timeout+0x40/0x40
[  500.869634]  ? run_timer_softirq+0x644/0x16a0
[  500.874144]  ? trace_hardirqs_on+0x67/0x220
[  500.878464]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  500.883647]  run_timer_softirq+0x64f/0x16a0
[  500.887970]  ? add_timer+0xbe0/0xbe0
[  500.891695]  ? __lock_is_held+0xb6/0x140
[  500.895769]  __do_softirq+0x25c/0x921
[  500.899592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.905124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.910673]  irq_exit+0x180/0x1d0
[  500.914140]  smp_apic_timer_interrupt+0x13b/0x550
[  500.918981]  apic_timer_interrupt+0xf/0x20
[  500.923201]  </IRQ>
[  500.925430] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  500.930373] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  500.949363] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  500.957072] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  500.964334] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  500.971606] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  500.979007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  500.986381] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  500.993861]  ? finish_task_switch+0x146/0x7c0
[  500.998353]  skb_clone+0x156/0x3e0
[  501.001981]  bpf_clone_redirect+0xb2/0x480
[  501.006228]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  501.011254]  ? mark_held_locks+0x100/0x100
[  501.015507]  ? __schedule+0x86e/0x1dc0
[  501.019402]  ? retint_kernel+0x2d/0x2d
[  501.023288]  ? firmware_map_remove+0x1a7/0x1a7
[  501.027898]  ? bpf_test_run+0x146/0x430
[  501.031888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.037427]  ? check_preemption_disabled+0x48/0x290
[  501.042438]  ? lock_acquire+0x16f/0x3f0
[  501.046540]  ? kasan_check_read+0x11/0x20
[  501.050701]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  501.055907]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  501.061527]  bpf_test_run+0x10d/0x430
[  501.065350]  bpf_prog_test_run_skb+0x64b/0xb20
[  501.069950]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  501.074805]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  501.079648]  bpf_prog_test_run+0x129/0x1a0
[  501.083893]  __x64_sys_bpf+0x397/0x4c0
[  501.087775]  ? bpf_prog_get+0x20/0x20
[  501.091592]  ? do_syscall_64+0x26/0x620
[  501.095575]  ? lockdep_hardirqs_on+0x415/0x5d0
[  501.100166]  ? trace_hardirqs_on+0x67/0x220
[  501.104499]  do_syscall_64+0xfd/0x620
[  501.108295]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  501.113592] RIP: 0033:0x45b349
[  501.116798] Code: Bad RIP value.
[  501.120272] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  501.127999] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  501.135275] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  501.142562] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  501.149833] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  501.157095] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  501.164388] warn_alloc_show_mem: 1 callbacks suppressed
[  501.164399] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  501.164401] Mem-Info:
[  501.164431] active_anon:162126 inactive_anon:206 isolated_anon:0
[  501.164431]  active_file:14 inactive_file:11 isolated_file:0
[  501.164431]  unevictable:0 dirty:0 writeback:0 unstable:0
[  501.164431]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  501.164431]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  501.164431]  free:10931 free_pcp:206 free_cma:0
[  501.169778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  501.177226] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  501.179641] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  501.212706] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  501.222047] Call Trace:
[  501.249728] 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
[  501.256843]  <IRQ>
[  501.282637] lowmem_reserve[]: 0 2545 2546 2546 2546
[  501.285243]  dump_stack+0x197/0x210
[  501.311335] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  501.313500]  warn_alloc.cold+0x7b/0x173
[  501.318499] lowmem_reserve[]: 0 0 1 1 1
[  501.322147]  ? zone_watermark_ok_safe+0x260/0x260
[  501.351141] 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
[  501.355250]  ? __cpuset_node_allowed+0x136/0x540
[  501.359194] lowmem_reserve[]: 0 0 0 0 0
[  501.364055]  ? __isolate_free_page+0x4c0/0x4c0
[  501.389934] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  501.394714]  ? wake_all_kswapds+0x14d/0x300
[  501.398655] lowmem_reserve[]: 0 0 0 0 0
[  501.403269]  __alloc_pages_slowpath+0x2214/0x2870
[  501.430870] 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
[  501.435241]  ? warn_alloc+0x110/0x110
[  501.439183] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  501.444038]  ? __lock_acquire+0x6ee/0x49c0
[  501.456509] 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
[  501.460327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  501.473655] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  501.477922]  ? should_fail+0x14d/0x85c
[  501.488586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  501.494133]  ? __isolate_free_page+0x4c0/0x4c0
[  501.509733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  501.513742]  __alloc_pages_nodemask+0x617/0x750
[  501.522570] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  501.527160]  ? __alloc_pages_slowpath+0x2870/0x2870
[  501.540004] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  501.544711]  ? find_held_lock+0x35/0x130
[  501.553529] 281 total pagecache pages
[  501.558566]  cache_grow_begin+0x91/0x8c0
[  501.567129] 0 pages in swap cache
[  501.571204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.574980] Swap cache stats: add 0, delete 0, find 0/0
[  501.579160]  ? __cpuset_node_allowed+0x136/0x540
[  501.582588] Free swap  = 0kB
[  501.588238]  fallback_alloc+0x1fd/0x2d0
[  501.593575] Total swap = 0kB
[  501.598338]  ____cache_alloc_node+0x1be/0x1e0
[  501.601331] 1965979 pages RAM
[  501.605298]  kmem_cache_alloc+0x1f3/0x700
[  501.608322] 0 pages HighMem/MovableOnly
[  501.612817]  ? mark_held_locks+0xb1/0x100
[  501.615893] 341724 pages reserved
[  501.620151]  ? __netdev_alloc_skb+0x370/0x470
[  501.624107] 0 pages cma reserved
[  501.628258]  __build_skb+0x3e/0x310
[  501.631940] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  501.636227]  __netdev_alloc_skb+0x2ba/0x470
[  501.639563] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  501.643374]  send_hsr_supervision_frame+0x110/0xfc0
[  501.668735]  ? lock_acquire+0x16f/0x3f0
[  501.672806]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  501.677843]  hsr_announce+0x12f/0x3b0
[  501.681654]  call_timer_fn+0x18d/0x720
[  501.685549]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  501.690746]  ? process_timeout+0x40/0x40
[  501.694811]  ? run_timer_softirq+0x644/0x16a0
[  501.699320]  ? trace_hardirqs_on+0x67/0x220
[  501.703644]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  501.709366]  run_timer_softirq+0x64f/0x16a0
[  501.713689]  ? add_timer+0xbe0/0xbe0
[  501.717414]  ? __lock_is_held+0xb6/0x140
[  501.721491]  __do_softirq+0x25c/0x921
[  501.725292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.730861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  501.736436]  irq_exit+0x180/0x1d0
[  501.739903]  smp_apic_timer_interrupt+0x13b/0x550
[  501.744741]  apic_timer_interrupt+0xf/0x20
[  501.748971]  </IRQ>
[  501.751205] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  501.756128] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  501.775146] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  501.782857] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  501.790132] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  501.797403] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  501.804672] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  501.811952] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  501.819267]  ? mark_held_locks+0xb1/0x100
[  501.823413]  ? __netdev_alloc_skb+0x370/0x470
[  501.827928]  __build_skb+0x3e/0x310
[  501.831575]  __netdev_alloc_skb+0x2ba/0x470
[  501.835899]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  501.840737]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  501.846117]  ? find_held_lock+0x35/0x130
[  501.850220]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  501.854621]  ? check_preemption_disabled+0x48/0x290
[  501.859657]  ? prandom_u32_state+0x13/0x180
[  501.863991]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  501.869189]  ? kmem_cache_alloc+0x32a/0x700
[  501.873512]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  501.878446]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  501.884784]  process_one_work+0x989/0x1750
[  501.889022]  ? pwq_dec_nr_in_flight+0x320/0x320
[  501.893699]  ? lock_acquire+0x16f/0x3f0
[  501.897688]  ? kasan_check_write+0x14/0x20
[  501.901935]  ? do_raw_spin_lock+0xd7/0x250
[  501.906180]  worker_thread+0x98/0xe40
[  501.909988]  kthread+0x354/0x420
[  501.913379]  ? process_one_work+0x1750/0x1750
[  501.917885]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  501.923435]  ret_from_fork+0x24/0x30
[  501.927158] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  501.927283] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  501.935076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  501.935087] Call Trace:
[  501.945682] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  501.955054]  <IRQ>
[  501.964716]  dump_stack+0x197/0x210
[  501.968358]  warn_alloc.cold+0x7b/0x173
[  501.972339]  ? zone_watermark_ok_safe+0x260/0x260
[  501.977189]  ? __cpuset_node_allowed+0x136/0x540
[  501.981950]  ? __isolate_free_page+0x4c0/0x4c0
[  501.986528]  ? wake_all_kswapds+0x14d/0x300
[  501.990861]  __alloc_pages_slowpath+0x2214/0x2870
[  501.995710]  ? warn_alloc+0x110/0x110
[  501.999508]  ? __lock_acquire+0x6ee/0x49c0
[  502.004182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  502.009863]  ? should_fail+0x14d/0x85c
[  502.013764]  ? __isolate_free_page+0x4c0/0x4c0
[  502.018349]  __alloc_pages_nodemask+0x617/0x750
[  502.023014]  ? __alloc_pages_slowpath+0x2870/0x2870
[  502.028034]  ? find_held_lock+0x35/0x130
[  502.032098]  cache_grow_begin+0x91/0x8c0
[  502.036260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.041793]  ? __cpuset_node_allowed+0x136/0x540
[  502.046557]  fallback_alloc+0x1fd/0x2d0
[  502.050532]  ____cache_alloc_node+0x1be/0x1e0
[  502.055040]  kmem_cache_alloc+0x1f3/0x700
[  502.059258]  ? mark_held_locks+0xb1/0x100
[  502.063423]  ? __netdev_alloc_skb+0x370/0x470
[  502.067930]  __build_skb+0x3e/0x310
[  502.071567]  __netdev_alloc_skb+0x2ba/0x470
[  502.075887]  send_hsr_supervision_frame+0x110/0xfc0
[  502.080904]  ? lock_acquire+0x16f/0x3f0
[  502.084873]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  502.089997]  hsr_announce+0x12f/0x3b0
[  502.093796]  call_timer_fn+0x18d/0x720
[  502.097683]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  502.102864]  ? process_timeout+0x40/0x40
[  502.106916]  ? run_timer_softirq+0x644/0x16a0
[  502.111425]  ? trace_hardirqs_on+0x67/0x220
[  502.115780]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  502.120985]  run_timer_softirq+0x64f/0x16a0
[  502.125308]  ? add_timer+0xbe0/0xbe0
[  502.129139]  ? __lock_is_held+0xb6/0x140
[  502.133215]  __do_softirq+0x25c/0x921
[  502.137137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.142681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.148227]  irq_exit+0x180/0x1d0
[  502.151684]  smp_apic_timer_interrupt+0x13b/0x550
[  502.156524]  apic_timer_interrupt+0xf/0x20
[  502.160755]  </IRQ>
[  502.162989] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  502.167921] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  502.186834] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  502.194537] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  502.201813] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  502.209077] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  502.216351] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  502.223631] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  502.231040]  ? finish_task_switch+0x146/0x7c0
[  502.235535]  skb_clone+0x156/0x3e0
[  502.239069]  bpf_clone_redirect+0xb2/0x480
[  502.243335]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  502.248366]  ? mark_held_locks+0x100/0x100
[  502.252613]  ? __schedule+0x86e/0x1dc0
[  502.256494]  ? retint_kernel+0x2d/0x2d
[  502.260504]  ? firmware_map_remove+0x1a7/0x1a7
[  502.265093]  ? bpf_test_run+0x146/0x430
[  502.269085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.274635]  ? check_preemption_disabled+0x48/0x290
[  502.279746]  ? lock_acquire+0x16f/0x3f0
[  502.283857]  ? kasan_check_read+0x11/0x20
[  502.288003]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  502.293196]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  502.298749]  bpf_test_run+0x10d/0x430
[  502.302570]  bpf_prog_test_run_skb+0x64b/0xb20
[  502.307159]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  502.312001]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  502.316840]  bpf_prog_test_run+0x129/0x1a0
[  502.321098]  __x64_sys_bpf+0x397/0x4c0
[  502.324981]  ? bpf_prog_get+0x20/0x20
[  502.328782]  ? do_syscall_64+0x26/0x620
[  502.332753]  ? lockdep_hardirqs_on+0x415/0x5d0
[  502.337344]  ? trace_hardirqs_on+0x67/0x220
[  502.341660]  do_syscall_64+0xfd/0x620
[  502.345459]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  502.350658] RIP: 0033:0x45b349
[  502.353862] Code: Bad RIP value.
[  502.357216] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  502.364918] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  502.372192] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  502.379463] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  502.386734] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  502.394009] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  502.401302] warn_alloc_show_mem: 1 callbacks suppressed
[  502.401312] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  502.401314] Mem-Info:
[  502.401344] active_anon:162126 inactive_anon:206 isolated_anon:0
[  502.401344]  active_file:14 inactive_file:11 isolated_file:0
[  502.401344]  unevictable:0 dirty:0 writeback:0 unstable:0
[  502.401344]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  502.401344]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  502.401344]  free:10931 free_pcp:206 free_cma:0
[  502.406704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  502.414334] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  502.416756] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  502.450667] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  502.460119] Call Trace:
[  502.460131]  <IRQ>
[  502.487855] 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
[  502.494958]  dump_stack+0x197/0x210
[  502.520606] lowmem_reserve[]: 0 2545 2546 2546 2546
[  502.523224]  warn_alloc.cold+0x7b/0x173
[  502.525345] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  502.551480]  ? zone_watermark_ok_safe+0x260/0x260
[  502.555081] lowmem_reserve[]: 0 0 1 1 1
[  502.560104]  ? __cpuset_node_allowed+0x136/0x540
[  502.564062] 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
[  502.592876]  ? __isolate_free_page+0x4c0/0x4c0
[  502.597700] lowmem_reserve[]: 0 0 0 0 0
[  502.601702]  ? wake_all_kswapds+0x14d/0x300
[  502.606454] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  502.632236]  __alloc_pages_slowpath+0x2214/0x2870
[  502.636783] lowmem_reserve[]: 0 0 0 0 0
[  502.640804]  ? warn_alloc+0x110/0x110
[  502.645115] 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
[  502.672639]  ? __lock_acquire+0x6ee/0x49c0
[  502.677473] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  502.681471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  502.685252] 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
[  502.697739]  ? should_fail+0x14d/0x85c
[  502.702084] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  502.715447]  ? __isolate_free_page+0x4c0/0x4c0
[  502.720976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  502.731645]  __alloc_pages_nodemask+0x617/0x750
[  502.735519] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  502.751140]  ? __alloc_pages_slowpath+0x2870/0x2870
[  502.755801] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  502.764640]  ? find_held_lock+0x35/0x130
[  502.769295] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  502.777878]  cache_grow_begin+0x91/0x8c0
[  502.782869] 281 total pagecache pages
[  502.791815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.795950] 0 pages in swap cache
[  502.804535]  ? __cpuset_node_allowed+0x136/0x540
[  502.808577] Swap cache stats: add 0, delete 0, find 0/0
[  502.812395]  fallback_alloc+0x1fd/0x2d0
[  502.817921] Free swap  = 0kB
[  502.821373]  ____cache_alloc_node+0x1be/0x1e0
[  502.826105] Total swap = 0kB
[  502.826116] 1965979 pages RAM
[  502.831487]  kmem_cache_alloc+0x1f3/0x700
[  502.835432] 0 pages HighMem/MovableOnly
[  502.838588]  ? mark_held_locks+0xb1/0x100
[  502.843083] 341724 pages reserved
[  502.846114]  ? __netdev_alloc_skb+0x370/0x470
[  502.849216] 0 pages cma reserved
[  502.849367] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  502.853391]  __build_skb+0x3e/0x310
[  502.857351] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  502.861518]  __netdev_alloc_skb+0x2ba/0x470
[  502.897202]  send_hsr_supervision_frame+0x110/0xfc0
[  502.902216]  ? lock_acquire+0x16f/0x3f0
[  502.906198]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  502.911210]  hsr_announce+0x12f/0x3b0
[  502.915019]  call_timer_fn+0x18d/0x720
[  502.918907]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  502.924108]  ? process_timeout+0x40/0x40
[  502.928183]  ? run_timer_softirq+0x644/0x16a0
[  502.932675]  ? trace_hardirqs_on+0x67/0x220
[  502.937063]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  502.942280]  run_timer_softirq+0x64f/0x16a0
[  502.946608]  ? add_timer+0xbe0/0xbe0
[  502.950316]  ? __lock_is_held+0xb6/0x140
[  502.954390]  __do_softirq+0x25c/0x921
[  502.958186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.963716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  502.969258]  irq_exit+0x180/0x1d0
[  502.972789]  smp_apic_timer_interrupt+0x13b/0x550
[  502.977626]  apic_timer_interrupt+0xf/0x20
[  502.981933]  </IRQ>
[  502.984170] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  502.989202] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  503.008221] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  503.015954] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  503.023233] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  503.030499] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  503.037771] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  503.045040] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  503.052351]  ? mark_held_locks+0xb1/0x100
[  503.056509]  ? __netdev_alloc_skb+0x370/0x470
[  503.061030]  __build_skb+0x3e/0x310
[  503.064671]  __netdev_alloc_skb+0x2ba/0x470
[  503.069083]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  503.073947]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  503.079331]  ? find_held_lock+0x35/0x130
[  503.083402]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  503.087834]  ? check_preemption_disabled+0x48/0x290
[  503.092855]  ? prandom_u32_state+0x13/0x180
[  503.097190]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  503.102517]  ? kmem_cache_alloc+0x32a/0x700
[  503.106856]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  503.111792]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  503.118135]  process_one_work+0x989/0x1750
[  503.122371]  ? pwq_dec_nr_in_flight+0x320/0x320
[  503.127219]  ? lock_acquire+0x16f/0x3f0
[  503.131208]  ? kasan_check_write+0x14/0x20
[  503.135568]  ? do_raw_spin_lock+0xd7/0x250
[  503.139825]  worker_thread+0x98/0xe40
[  503.143643]  kthread+0x354/0x420
[  503.147015]  ? process_one_work+0x1750/0x1750
[  503.151506]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  503.157036]  ret_from_fork+0x24/0x30
[  503.160784] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  503.161019] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  503.168593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  503.179107] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  503.188449] Call Trace:
[  503.195948]  <IRQ>
[  503.198105]  dump_stack+0x197/0x210
[  503.201753]  warn_alloc.cold+0x7b/0x173
[  503.205751]  ? zone_watermark_ok_safe+0x260/0x260
[  503.210601]  ? __cpuset_node_allowed+0x136/0x540
[  503.215397]  ? __isolate_free_page+0x4c0/0x4c0
[  503.219993]  ? wake_all_kswapds+0x14d/0x300
[  503.224410]  __alloc_pages_slowpath+0x2214/0x2870
[  503.229342]  ? warn_alloc+0x110/0x110
[  503.233146]  ? __lock_acquire+0x6ee/0x49c0
[  503.237376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  503.242910]  ? should_fail+0x14d/0x85c
[  503.246837]  ? __isolate_free_page+0x4c0/0x4c0
[  503.251431]  __alloc_pages_nodemask+0x617/0x750
[  503.256105]  ? __alloc_pages_slowpath+0x2870/0x2870
[  503.261141]  ? find_held_lock+0x35/0x130
[  503.265204]  cache_grow_begin+0x91/0x8c0
[  503.269260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.274816]  ? __cpuset_node_allowed+0x136/0x540
[  503.280528]  fallback_alloc+0x1fd/0x2d0
[  503.284518]  ____cache_alloc_node+0x1be/0x1e0
[  503.289012]  kmem_cache_alloc+0x1f3/0x700
[  503.293154]  ? mark_held_locks+0xb1/0x100
[  503.297305]  ? __netdev_alloc_skb+0x370/0x470
[  503.301893]  __build_skb+0x3e/0x310
[  503.305520]  __netdev_alloc_skb+0x2ba/0x470
[  503.310024]  send_hsr_supervision_frame+0x110/0xfc0
[  503.315042]  ? lock_acquire+0x16f/0x3f0
[  503.319029]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  503.324082]  hsr_announce+0x12f/0x3b0
[  503.327881]  call_timer_fn+0x18d/0x720
[  503.331764]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  503.336958]  ? process_timeout+0x40/0x40
[  503.341014]  ? run_timer_softirq+0x644/0x16a0
[  503.345505]  ? trace_hardirqs_on+0x67/0x220
[  503.349944]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  503.355131]  run_timer_softirq+0x64f/0x16a0
[  503.359556]  ? add_timer+0xbe0/0xbe0
[  503.363272]  ? __lock_is_held+0xb6/0x140
[  503.367352]  __do_softirq+0x25c/0x921
[  503.371151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.376705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.382253]  irq_exit+0x180/0x1d0
[  503.385727]  smp_apic_timer_interrupt+0x13b/0x550
[  503.390568]  apic_timer_interrupt+0xf/0x20
[  503.394801]  </IRQ>
[  503.397054] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  503.403371] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  503.422280] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  503.429993] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  503.437272] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  503.444538] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  503.451813] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  503.459096] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  503.466397]  ? finish_task_switch+0x146/0x7c0
[  503.470890]  skb_clone+0x156/0x3e0
[  503.474446]  bpf_clone_redirect+0xb2/0x480
[  503.478695]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  503.483723]  ? mark_held_locks+0x100/0x100
[  503.487969]  ? __schedule+0x86e/0x1dc0
[  503.491852]  ? retint_kernel+0x2d/0x2d
[  503.495749]  ? firmware_map_remove+0x1a7/0x1a7
[  503.500333]  ? bpf_test_run+0x146/0x430
[  503.504323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.509874]  ? check_preemption_disabled+0x48/0x290
[  503.514892]  ? lock_acquire+0x16f/0x3f0
[  503.518896]  ? kasan_check_read+0x11/0x20
[  503.523047]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  503.528249]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  503.533785]  bpf_test_run+0x10d/0x430
[  503.537601]  bpf_prog_test_run_skb+0x64b/0xb20
[  503.542301]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  503.547162]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  503.552018]  bpf_prog_test_run+0x129/0x1a0
[  503.556331]  __x64_sys_bpf+0x397/0x4c0
[  503.560211]  ? bpf_prog_get+0x20/0x20
[  503.564037]  ? do_syscall_64+0x26/0x620
[  503.568019]  ? lockdep_hardirqs_on+0x415/0x5d0
[  503.572608]  ? trace_hardirqs_on+0x67/0x220
[  503.576956]  do_syscall_64+0xfd/0x620
[  503.580866]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  503.586154] RIP: 0033:0x45b349
[  503.589366] Code: Bad RIP value.
[  503.592718] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  503.600429] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  503.607700] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  503.614972] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  503.622240] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  503.629513] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  503.636990] warn_alloc_show_mem: 1 callbacks suppressed
[  503.637001] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  503.637003] Mem-Info:
[  503.637033] active_anon:162126 inactive_anon:206 isolated_anon:0
[  503.637033]  active_file:14 inactive_file:11 isolated_file:0
[  503.637033]  unevictable:0 dirty:0 writeback:0 unstable:0
[  503.637033]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  503.637033]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  503.637033]  free:10931 free_pcp:206 free_cma:0
[  503.642387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  503.642413] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  503.649870] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  503.652268] Call Trace:
[  503.685345] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  503.694784]  <IRQ>
[  503.701874] 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
[  503.729471]  dump_stack+0x197/0x210
[  503.732087] lowmem_reserve[]: 0 2545 2546 2546 2546
[  503.757813]  warn_alloc.cold+0x7b/0x173
[  503.759956] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  503.786104]  ? zone_watermark_ok_safe+0x260/0x260
[  503.789714] lowmem_reserve[]: 0 0 1 1 1
[  503.794742]  ? __cpuset_node_allowed+0x136/0x540
[  503.798691] 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
[  503.827624]  ? __isolate_free_page+0x4c0/0x4c0
[  503.832526] lowmem_reserve[]: 0 0 0 0 0
[  503.836590]  ? wake_all_kswapds+0x14d/0x300
[  503.841277] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  503.867068]  __alloc_pages_slowpath+0x2214/0x2870
[  503.871642] lowmem_reserve[]: 0 0 0 0 0
[  503.875700]  ? warn_alloc+0x110/0x110
[  503.880006] 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
[  503.907627]  ? __lock_acquire+0x6ee/0x49c0
[  503.912446] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  503.916453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  503.920230] 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
[  503.932725]  ? should_fail+0x14d/0x85c
[  503.936946] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  503.950339]  ? __isolate_free_page+0x4c0/0x4c0
[  503.955953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  503.966778]  __alloc_pages_nodemask+0x617/0x750
[  503.970647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  503.986444]  ? __alloc_pages_slowpath+0x2870/0x2870
[  503.991005] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  504.000060]  ? find_held_lock+0x35/0x130
[  504.004709] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  504.013393]  cache_grow_begin+0x91/0x8c0
[  504.018397] 281 total pagecache pages
[  504.027234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.031275] 0 pages in swap cache
[  504.041042]  ? __cpuset_node_allowed+0x136/0x540
[  504.041060]  fallback_alloc+0x1fd/0x2d0
[  504.041080]  ____cache_alloc_node+0x1be/0x1e0
[  504.045133] Swap cache stats: add 0, delete 0, find 0/0
[  504.045143] Free swap  = 0kB
[  504.048960]  kmem_cache_alloc_node+0xe3/0x710
[  504.054462] Total swap = 0kB
[  504.057911]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  504.062652] 1965979 pages RAM
[  504.066638]  __alloc_skb+0xd5/0x5f0
[  504.071097] 0 pages HighMem/MovableOnly
[  504.071106] 341724 pages reserved
[  504.076486]  ? skb_trim+0x190/0x190
[  504.079483] 0 pages cma reserved
[  504.079661] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  504.084000]  ? kasan_check_read+0x11/0x20
[  504.087358] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  504.091602]  ndisc_alloc_skb+0x13c/0x340
[  504.136856]  ndisc_send_rs+0x35f/0x6e0
[  504.140765]  addrconf_rs_timer+0x30f/0x680
[  504.145040]  ? ipv6_get_lladdr+0x490/0x490
[  504.149312]  call_timer_fn+0x18d/0x720
[  504.153209]  ? ipv6_get_lladdr+0x490/0x490
[  504.157443]  ? process_timeout+0x40/0x40
[  504.161503]  ? run_timer_softirq+0x644/0x16a0
[  504.166023]  ? trace_hardirqs_on+0x67/0x220
[  504.170435]  ? ipv6_get_lladdr+0x490/0x490
[  504.174674]  run_timer_softirq+0x64f/0x16a0
[  504.178996]  ? add_timer+0xbe0/0xbe0
[  504.182727]  ? __lock_is_held+0xb6/0x140
[  504.186820]  __do_softirq+0x25c/0x921
[  504.190634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.196175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  504.202770]  irq_exit+0x180/0x1d0
[  504.206233]  smp_apic_timer_interrupt+0x13b/0x550
[  504.211086]  apic_timer_interrupt+0xf/0x20
[  504.215311]  </IRQ>
[  504.217598] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  504.222528] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  504.241576] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  504.249289] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  504.256697] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  504.263972] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  504.271254] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  504.278545] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  504.285847]  ? mark_held_locks+0xb1/0x100
[  504.289994]  ? __netdev_alloc_skb+0x370/0x470
[  504.294498]  __build_skb+0x3e/0x310
[  504.298127]  __netdev_alloc_skb+0x2ba/0x470
[  504.302483]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  504.307334]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  504.312711]  ? find_held_lock+0x35/0x130
[  504.316785]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  504.321199]  ? check_preemption_disabled+0x48/0x290
[  504.326224]  ? prandom_u32_state+0x13/0x180
[  504.330562]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  504.335767]  ? kmem_cache_alloc+0x32a/0x700
[  504.340097]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  504.345046]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  504.351384]  process_one_work+0x989/0x1750
[  504.355647]  ? pwq_dec_nr_in_flight+0x320/0x320
[  504.360321]  ? lock_acquire+0x16f/0x3f0
[  504.364398]  ? kasan_check_write+0x14/0x20
[  504.368628]  ? do_raw_spin_lock+0xd7/0x250
[  504.372893]  worker_thread+0x98/0xe40
[  504.376759]  kthread+0x354/0x420
[  504.380138]  ? process_one_work+0x1750/0x1750
[  504.384635]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  504.390185]  ret_from_fork+0x24/0x30
[  504.393906] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  504.393986] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  504.401716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  504.401726] Call Trace:
[  504.408340] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  504.417578]  <IRQ>
[  504.420148] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  504.431030]  dump_stack+0x197/0x210
[  504.431053]  warn_alloc.cold+0x7b/0x173
[  504.445701]  ? zone_watermark_ok_safe+0x260/0x260
[  504.450555]  ? __cpuset_node_allowed+0x136/0x540
[  504.455311]  ? __isolate_free_page+0x4c0/0x4c0
[  504.459912]  ? wake_all_kswapds+0x14d/0x300
[  504.464360]  __alloc_pages_slowpath+0x2214/0x2870
[  504.469214]  ? warn_alloc+0x110/0x110
[  504.473041]  ? __lock_acquire+0x6ee/0x49c0
[  504.477283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  504.482827]  ? should_fail+0x14d/0x85c
[  504.486712]  ? __isolate_free_page+0x4c0/0x4c0
[  504.491291]  __alloc_pages_nodemask+0x617/0x750
[  504.495974]  ? __alloc_pages_slowpath+0x2870/0x2870
[  504.501008]  ? find_held_lock+0x35/0x130
[  504.505099]  cache_grow_begin+0x91/0x8c0
[  504.509158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.514687]  ? __cpuset_node_allowed+0x136/0x540
[  504.519458]  fallback_alloc+0x1fd/0x2d0
[  504.523445]  ____cache_alloc_node+0x1be/0x1e0
[  504.527955]  kmem_cache_alloc_node+0xe3/0x710
[  504.532449]  ? mark_held_locks+0x100/0x100
[  504.536690]  __alloc_skb+0xd5/0x5f0
[  504.540325]  ? skb_trim+0x190/0x190
[  504.544054]  ? __local_bh_enable_ip+0x15a/0x270
[  504.548753]  ? lock_downgrade+0x880/0x880
[  504.556209]  ndisc_alloc_skb+0x13c/0x340
[  504.560281]  ndisc_send_rs+0x7c/0x6e0
[  504.564094]  addrconf_rs_timer+0x30f/0x680
[  504.568327]  ? ipv6_get_lladdr+0x490/0x490
[  504.572567]  call_timer_fn+0x18d/0x720
[  504.576603]  ? ipv6_get_lladdr+0x490/0x490
[  504.580836]  ? process_timeout+0x40/0x40
[  504.584892]  ? run_timer_softirq+0x644/0x16a0
[  504.589442]  ? trace_hardirqs_on+0x67/0x220
[  504.593776]  ? ipv6_get_lladdr+0x490/0x490
[  504.598699]  run_timer_softirq+0x64f/0x16a0
[  504.603051]  ? add_timer+0xbe0/0xbe0
[  504.606775]  ? __lock_is_held+0xb6/0x140
[  504.610842]  __do_softirq+0x25c/0x921
[  504.614652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.620180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.625732]  irq_exit+0x180/0x1d0
[  504.629298]  smp_apic_timer_interrupt+0x13b/0x550
[  504.634147]  apic_timer_interrupt+0xf/0x20
[  504.638374]  </IRQ>
[  504.640606] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  504.645618] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  504.664528] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  504.672242] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  504.680052] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  504.687329] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  504.694612] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  504.701894] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  504.709293]  ? finish_task_switch+0x146/0x7c0
[  504.713820]  skb_clone+0x156/0x3e0
[  504.717401]  bpf_clone_redirect+0xb2/0x480
[  504.722209]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  504.727457]  ? mark_held_locks+0x100/0x100
[  504.731725]  ? __schedule+0x86e/0x1dc0
[  504.735610]  ? retint_kernel+0x2d/0x2d
[  504.739633]  ? firmware_map_remove+0x1a7/0x1a7
[  504.744382]  ? bpf_test_run+0x146/0x430
[  504.748362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.753920]  ? check_preemption_disabled+0x48/0x290
[  504.758944]  ? lock_acquire+0x16f/0x3f0
[  504.762951]  ? kasan_check_read+0x11/0x20
[  504.767284]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  504.772484]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  504.778040]  bpf_test_run+0x10d/0x430
[  504.781865]  bpf_prog_test_run_skb+0x64b/0xb20
[  504.786468]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  504.791328]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  504.796213]  bpf_prog_test_run+0x129/0x1a0
[  504.800469]  __x64_sys_bpf+0x397/0x4c0
[  504.804376]  ? bpf_prog_get+0x20/0x20
[  504.808244]  ? do_syscall_64+0x26/0x620
[  504.812216]  ? lockdep_hardirqs_on+0x415/0x5d0
[  504.816805]  ? trace_hardirqs_on+0x67/0x220
[  504.821204]  do_syscall_64+0xfd/0x620
[  504.825118]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  504.830312] RIP: 0033:0x45b349
[  504.833770] Code: Bad RIP value.
[  504.837240] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  504.844955] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  504.852234] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  504.859524] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  504.866828] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  504.874101] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  504.881385] warn_alloc_show_mem: 1 callbacks suppressed
[  504.881396] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  504.881398] Mem-Info:
[  504.881431] active_anon:162126 inactive_anon:206 isolated_anon:0
[  504.881431]  active_file:14 inactive_file:11 isolated_file:0
[  504.881431]  unevictable:0 dirty:0 writeback:0 unstable:0
[  504.881431]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  504.881431]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  504.881431]  free:10931 free_pcp:206 free_cma:0
[  504.886829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  504.886856] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  504.894435] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  504.896870] Call Trace:
[  504.930207] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  504.939577]  <IRQ>
[  504.946678] 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
[  504.974806]  dump_stack+0x197/0x210
[  504.977387] lowmem_reserve[]: 0 2545 2546 2546 2546
[  505.003995]  warn_alloc.cold+0x7b/0x173
[  505.006123] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  505.033646]  ? zone_watermark_ok_safe+0x260/0x260
[  505.037251] lowmem_reserve[]: 0 0 1 1 1
[  505.042279]  ? __cpuset_node_allowed+0x136/0x540
[  505.046243] 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
[  505.075236]  ? __isolate_free_page+0x4c0/0x4c0
[  505.080065] lowmem_reserve[]: 0 0 0 0 0
[  505.084087]  ? wake_all_kswapds+0x14d/0x300
[  505.088822] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  505.115035]  __alloc_pages_slowpath+0x2214/0x2870
[  505.119764] lowmem_reserve[]: 0 0 0 0 0
[  505.124336]  ? warn_alloc+0x110/0x110
[  505.128859] 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
[  505.157188]  ? __lock_acquire+0x6ee/0x49c0
[  505.162445] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  505.166791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  505.172293] 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
[  505.185539]  ? should_fail+0x14d/0x85c
[  505.189761] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  505.203489]  ? __isolate_free_page+0x4c0/0x4c0
[  505.209037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  505.219899]  __alloc_pages_nodemask+0x617/0x750
[  505.224054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  505.240382]  ? __alloc_pages_slowpath+0x2870/0x2870
[  505.244958] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  505.254091]  ? find_held_lock+0x35/0x130
[  505.258937] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  505.258947] 281 total pagecache pages
[  505.267988]  cache_grow_begin+0x91/0x8c0
[  505.273160] 0 pages in swap cache
[  505.282137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.286188] Swap cache stats: add 0, delete 0, find 0/0
[  505.294872]  ? __cpuset_node_allowed+0x136/0x540
[  505.299010] Free swap  = 0kB
[  505.303093]  fallback_alloc+0x1fd/0x2d0
[  505.306515] Total swap = 0kB
[  505.312060]  ____cache_alloc_node+0x1be/0x1e0
[  505.317434] 1965979 pages RAM
[  505.322658]  kmem_cache_alloc_node+0xe3/0x710
[  505.325869] 0 pages HighMem/MovableOnly
[  505.329967]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  505.333346] 341724 pages reserved
[  505.337858]  __alloc_skb+0xd5/0x5f0
[  505.340942] 0 pages cma reserved
[  505.341025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  505.345469]  ? skb_trim+0x190/0x190
[  505.345481]  ? kasan_check_read+0x11/0x20
[  505.345505]  ndisc_alloc_skb+0x13c/0x340
[  505.349512] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  505.353704]  ndisc_send_rs+0x35f/0x6e0
[  505.357162] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  505.360807]  addrconf_rs_timer+0x30f/0x680
[  505.407352]  ? ipv6_get_lladdr+0x490/0x490
[  505.411617]  call_timer_fn+0x18d/0x720
[  505.415504]  ? ipv6_get_lladdr+0x490/0x490
[  505.419955]  ? process_timeout+0x40/0x40
[  505.424012]  ? run_timer_softirq+0x644/0x16a0
[  505.428508]  ? trace_hardirqs_on+0x67/0x220
[  505.432945]  ? ipv6_get_lladdr+0x490/0x490
[  505.437330]  run_timer_softirq+0x64f/0x16a0
[  505.441689]  ? add_timer+0xbe0/0xbe0
[  505.445413]  ? __lock_is_held+0xb6/0x140
[  505.449486]  __do_softirq+0x25c/0x921
[  505.453309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.458853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  505.464415]  irq_exit+0x180/0x1d0
[  505.467882]  smp_apic_timer_interrupt+0x13b/0x550
[  505.472735]  apic_timer_interrupt+0xf/0x20
[  505.476958]  </IRQ>
[  505.479316] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  505.484252] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  505.503160] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  505.510967] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  505.518238] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  505.526135] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  505.533407] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  505.540684] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  505.548007]  ? mark_held_locks+0xb1/0x100
[  505.552275]  ? __netdev_alloc_skb+0x370/0x470
[  505.556833]  __build_skb+0x3e/0x310
[  505.560482]  __netdev_alloc_skb+0x2ba/0x470
[  505.564821]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  505.569677]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  505.575065]  ? find_held_lock+0x35/0x130
[  505.579367]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  505.583777]  ? check_preemption_disabled+0x48/0x290
[  505.589034]  ? prandom_u32_state+0x13/0x180
[  505.593375]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  505.598593]  ? kmem_cache_alloc+0x32a/0x700
[  505.603011]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  505.607972]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  505.614306]  process_one_work+0x989/0x1750
[  505.618566]  ? pwq_dec_nr_in_flight+0x320/0x320
[  505.623414]  ? lock_acquire+0x16f/0x3f0
[  505.627395]  ? kasan_check_write+0x14/0x20
[  505.631659]  ? do_raw_spin_lock+0xd7/0x250
[  505.635983]  worker_thread+0x98/0xe40
[  505.639813]  kthread+0x354/0x420
[  505.643189]  ? process_one_work+0x1750/0x1750
[  505.647713]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  505.653455]  ret_from_fork+0x24/0x30
[  505.657181] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  505.657244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  505.664986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  505.664992] Call Trace:
[  505.664998]  <IRQ>
[  505.665018]  dump_stack+0x197/0x210
[  505.665036]  warn_alloc.cold+0x7b/0x173
[  505.665050]  ? zone_watermark_ok_safe+0x260/0x260
[  505.665066]  ? __cpuset_node_allowed+0x136/0x540
[  505.671619] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  505.680942]  ? __isolate_free_page+0x4c0/0x4c0
[  505.683498] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  505.685640]  ? wake_all_kswapds+0x14d/0x300
[  505.727184]  __alloc_pages_slowpath+0x2214/0x2870
[  505.732055]  ? warn_alloc+0x110/0x110
[  505.735876]  ? __lock_acquire+0x6ee/0x49c0
[  505.740125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  505.745685]  ? should_fail+0x14d/0x85c
[  505.749599]  ? __isolate_free_page+0x4c0/0x4c0
[  505.754198]  __alloc_pages_nodemask+0x617/0x750
[  505.758878]  ? __alloc_pages_slowpath+0x2870/0x2870
[  505.763905]  ? find_held_lock+0x35/0x130
[  505.768035]  cache_grow_begin+0x91/0x8c0
[  505.772095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.777635]  ? __cpuset_node_allowed+0x136/0x540
[  505.782406]  fallback_alloc+0x1fd/0x2d0
[  505.786391]  ____cache_alloc_node+0x1be/0x1e0
[  505.790891]  kmem_cache_alloc_node+0xe3/0x710
[  505.795494]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  505.799738]  __alloc_skb+0xd5/0x5f0
[  505.803372]  ? skb_trim+0x190/0x190
[  505.807125]  ? kasan_check_read+0x11/0x20
[  505.811296]  ndisc_alloc_skb+0x13c/0x340
[  505.815466]  ndisc_send_rs+0x35f/0x6e0
[  505.819359]  addrconf_rs_timer+0x30f/0x680
[  505.823714]  ? ipv6_get_lladdr+0x490/0x490
[  505.828023]  call_timer_fn+0x18d/0x720
[  505.831927]  ? ipv6_get_lladdr+0x490/0x490
[  505.836292]  ? process_timeout+0x40/0x40
[  505.840391]  ? run_timer_softirq+0x644/0x16a0
[  505.844898]  ? trace_hardirqs_on+0x67/0x220
[  505.849218]  ? ipv6_get_lladdr+0x490/0x490
[  505.853491]  run_timer_softirq+0x64f/0x16a0
[  505.857850]  ? add_timer+0xbe0/0xbe0
[  505.861564]  ? __lock_is_held+0xb6/0x140
[  505.865648]  __do_softirq+0x25c/0x921
[  505.869445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.874993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.880551]  irq_exit+0x180/0x1d0
[  505.884088]  smp_apic_timer_interrupt+0x13b/0x550
[  505.888958]  apic_timer_interrupt+0xf/0x20
[  505.893182]  </IRQ>
[  505.895421] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  505.900523] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  505.919438] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  505.927149] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  505.934432] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  505.941716] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  505.948987] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  505.956347] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  505.963639]  ? finish_task_switch+0x146/0x7c0
[  505.968143]  skb_clone+0x156/0x3e0
[  505.971679]  bpf_clone_redirect+0xb2/0x480
[  505.975952]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  505.980983]  ? mark_held_locks+0x100/0x100
[  505.985213]  ? __schedule+0x86e/0x1dc0
[  505.989101]  ? retint_kernel+0x2d/0x2d
[  505.993018]  ? firmware_map_remove+0x1a7/0x1a7
[  505.997615]  ? bpf_test_run+0x146/0x430
[  506.001606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.007146]  ? check_preemption_disabled+0x48/0x290
[  506.012167]  ? lock_acquire+0x16f/0x3f0
[  506.016148]  ? kasan_check_read+0x11/0x20
[  506.020288]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  506.025477]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  506.031027]  bpf_test_run+0x10d/0x430
[  506.034928]  bpf_prog_test_run_skb+0x64b/0xb20
[  506.039527]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  506.044377]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  506.049214]  bpf_prog_test_run+0x129/0x1a0
[  506.053468]  __x64_sys_bpf+0x397/0x4c0
[  506.057355]  ? bpf_prog_get+0x20/0x20
[  506.061153]  ? do_syscall_64+0x26/0x620
[  506.065136]  ? lockdep_hardirqs_on+0x415/0x5d0
[  506.069733]  ? trace_hardirqs_on+0x67/0x220
[  506.074062]  do_syscall_64+0xfd/0x620
[  506.077863]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  506.083055] RIP: 0033:0x45b349
[  506.086267] Code: Bad RIP value.
[  506.089624] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  506.097444] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  506.104710] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  506.111979] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  506.119265] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  506.126531] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  506.133835] warn_alloc_show_mem: 1 callbacks suppressed
[  506.133845] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  506.133847] Mem-Info:
[  506.133878] active_anon:162126 inactive_anon:206 isolated_anon:0
[  506.133878]  active_file:14 inactive_file:11 isolated_file:0
[  506.133878]  unevictable:0 dirty:0 writeback:0 unstable:0
[  506.133878]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  506.133878]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  506.133878]  free:10931 free_pcp:206 free_cma:0
[  506.139233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  506.139258] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  506.146706] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  506.149090] Call Trace:
[  506.149116]  <IRQ>
[  506.182190] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  506.191558]  dump_stack+0x197/0x210
[  506.198648] 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
[  506.226275]  warn_alloc.cold+0x7b/0x173
[  506.228813] lowmem_reserve[]: 0 2545 2546 2546 2546
[  506.230977]  ? zone_watermark_ok_safe+0x260/0x260
[  506.256753] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  506.260380]  ? __cpuset_node_allowed+0x136/0x540
[  506.286563] lowmem_reserve[]: 0 0 1 1 1
[  506.290562]  ? __isolate_free_page+0x4c0/0x4c0
[  506.295557] 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
[  506.300403]  ? wake_all_kswapds+0x14d/0x300
[  506.329173] lowmem_reserve[]: 0 0 0 0 0
[  506.333956]  __alloc_pages_slowpath+0x2214/0x2870
[  506.337902] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  506.342543]  ? warn_alloc+0x110/0x110
[  506.368575] lowmem_reserve[]: 0 0 0 0 0
[  506.372937]  ? __lock_acquire+0x6ee/0x49c0
[  506.376978] 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
[  506.381853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  506.409338] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  506.413144]  ? should_fail+0x14d/0x85c
[  506.417110] 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
[  506.421368]  ? __isolate_free_page+0x4c0/0x4c0
[  506.433845] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  506.439398]  __alloc_pages_nodemask+0x617/0x750
[  506.452927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  506.456991]  ? __alloc_pages_slowpath+0x2870/0x2870
[  506.467638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  506.472223]  ? find_held_lock+0x35/0x130
[  506.487821] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  506.492493]  cache_grow_begin+0x91/0x8c0
[  506.501303] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  506.501313] 281 total pagecache pages
[  506.506341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.514927] 0 pages in swap cache
[  506.519000]  ? __cpuset_node_allowed+0x136/0x540
[  506.527905] Swap cache stats: add 0, delete 0, find 0/0
[  506.527915] Free swap  = 0kB
[  506.532003]  fallback_alloc+0x1fd/0x2d0
[  506.540553] Total swap = 0kB
[  506.540563] 1965979 pages RAM
[  506.544376]  ____cache_alloc_node+0x1be/0x1e0
[  506.549881] 0 pages HighMem/MovableOnly
[  506.549890] 341724 pages reserved
[  506.553367]  kmem_cache_alloc_node+0xe3/0x710
[  506.558234] 0 pages cma reserved
[  506.558324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  506.564750]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  506.564773]  __alloc_skb+0xd5/0x5f0
[  506.564788]  ? skb_trim+0x190/0x190
[  506.564805]  ? kasan_check_read+0x11/0x20
[  506.567862] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  506.571794]  ndisc_alloc_skb+0x13c/0x340
[  506.574788] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  506.577908]  ndisc_send_rs+0x35f/0x6e0
[  506.644042]  addrconf_rs_timer+0x30f/0x680
[  506.648291]  ? ipv6_get_lladdr+0x490/0x490
[  506.652540]  call_timer_fn+0x18d/0x720
[  506.656425]  ? ipv6_get_lladdr+0x490/0x490
[  506.660663]  ? process_timeout+0x40/0x40
[  506.664812]  ? run_timer_softirq+0x644/0x16a0
[  506.669351]  ? trace_hardirqs_on+0x67/0x220
[  506.673670]  ? ipv6_get_lladdr+0x490/0x490
[  506.677912]  run_timer_softirq+0x64f/0x16a0
[  506.682255]  ? add_timer+0xbe0/0xbe0
[  506.685968]  ? __lock_is_held+0xb6/0x140
[  506.690136]  __do_softirq+0x25c/0x921
[  506.693945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.699479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  506.705026]  irq_exit+0x180/0x1d0
[  506.708489]  smp_apic_timer_interrupt+0x13b/0x550
[  506.713339]  apic_timer_interrupt+0xf/0x20
[  506.717684]  </IRQ>
[  506.719917] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  506.724845] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  506.743966] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  506.751673] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  506.758940] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  506.766244] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  506.773527] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  506.780854] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  506.788181]  ? mark_held_locks+0xb1/0x100
[  506.792346]  ? __netdev_alloc_skb+0x370/0x470
[  506.796842]  __build_skb+0x3e/0x310
[  506.800480]  __netdev_alloc_skb+0x2ba/0x470
[  506.804813]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  506.809674]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  506.815035]  ? find_held_lock+0x35/0x130
[  506.819115]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  506.823528]  ? check_preemption_disabled+0x48/0x290
[  506.828560]  ? prandom_u32_state+0x13/0x180
[  506.832890]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  506.838180]  ? kmem_cache_alloc+0x32a/0x700
[  506.842509]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  506.847461]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  506.853805]  process_one_work+0x989/0x1750
[  506.858041]  ? pwq_dec_nr_in_flight+0x320/0x320
[  506.862841]  ? lock_acquire+0x16f/0x3f0
[  506.866822]  ? kasan_check_write+0x14/0x20
[  506.871173]  ? do_raw_spin_lock+0xd7/0x250
[  506.875433]  worker_thread+0x98/0xe40
[  506.879276]  kthread+0x354/0x420
[  506.882649]  ? process_one_work+0x1750/0x1750
[  506.887152]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  506.892699]  ret_from_fork+0x24/0x30
[  506.896430] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  506.896492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  506.904232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  506.904237] Call Trace:
[  506.904243]  <IRQ>
[  506.904261]  dump_stack+0x197/0x210
[  506.904281]  warn_alloc.cold+0x7b/0x173
[  506.904298]  ? zone_watermark_ok_safe+0x260/0x260
[  506.910850] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  506.920181]  ? __cpuset_node_allowed+0x136/0x540
[  506.922748] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  506.924910]  ? __isolate_free_page+0x4c0/0x4c0
[  506.961963]  ? wake_all_kswapds+0x14d/0x300
[  506.966293]  __alloc_pages_slowpath+0x2214/0x2870
[  506.971152]  ? warn_alloc+0x110/0x110
[  506.974959]  ? __lock_acquire+0x6ee/0x49c0
[  506.979212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  506.984852]  ? should_fail+0x14d/0x85c
[  506.988738]  ? __isolate_free_page+0x4c0/0x4c0
[  506.993329]  __alloc_pages_nodemask+0x617/0x750
[  506.998007]  ? __alloc_pages_slowpath+0x2870/0x2870
[  507.003119]  ? find_held_lock+0x35/0x130
[  507.007199]  cache_grow_begin+0x91/0x8c0
[  507.011267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.016839]  ? __cpuset_node_allowed+0x136/0x540
[  507.021630]  fallback_alloc+0x1fd/0x2d0
[  507.025615]  ____cache_alloc_node+0x1be/0x1e0
[  507.030125]  kmem_cache_alloc_node+0xe3/0x710
[  507.034613]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  507.038846]  __alloc_skb+0xd5/0x5f0
[  507.042591]  ? skb_trim+0x190/0x190
[  507.046220]  ? kasan_check_read+0x11/0x20
[  507.050382]  ndisc_alloc_skb+0x13c/0x340
[  507.054444]  ndisc_send_rs+0x35f/0x6e0
[  507.058438]  addrconf_rs_timer+0x30f/0x680
[  507.062677]  ? ipv6_get_lladdr+0x490/0x490
[  507.066915]  call_timer_fn+0x18d/0x720
[  507.070796]  ? ipv6_get_lladdr+0x490/0x490
[  507.075036]  ? process_timeout+0x40/0x40
[  507.079102]  ? run_timer_softirq+0x644/0x16a0
[  507.083654]  ? trace_hardirqs_on+0x67/0x220
[  507.087977]  ? ipv6_get_lladdr+0x490/0x490
[  507.092303]  run_timer_softirq+0x64f/0x16a0
[  507.096632]  ? add_timer+0xbe0/0xbe0
[  507.100354]  ? __lock_is_held+0xb6/0x140
[  507.104427]  __do_softirq+0x25c/0x921
[  507.108223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.113759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.119301]  irq_exit+0x180/0x1d0
[  507.122763]  smp_apic_timer_interrupt+0x13b/0x550
[  507.127609]  apic_timer_interrupt+0xf/0x20
[  507.131834]  </IRQ>
[  507.134080] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  507.139017] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  507.157924] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  507.165722] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  507.172991] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  507.180262] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  507.187538] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  507.195009] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  507.202309]  ? finish_task_switch+0x146/0x7c0
[  507.206832]  skb_clone+0x156/0x3e0
[  507.210385]  bpf_clone_redirect+0xb2/0x480
[  507.214618]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  507.219764]  ? mark_held_locks+0x100/0x100
[  507.224006]  ? __schedule+0x86e/0x1dc0
[  507.227886]  ? retint_kernel+0x2d/0x2d
[  507.231785]  ? firmware_map_remove+0x1a7/0x1a7
[  507.236473]  ? bpf_test_run+0x146/0x430
[  507.240548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.246093]  ? check_preemption_disabled+0x48/0x290
[  507.251114]  ? lock_acquire+0x16f/0x3f0
[  507.255096]  ? kasan_check_read+0x11/0x20
[  507.259263]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  507.264460]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  507.270009]  bpf_test_run+0x10d/0x430
[  507.273824]  bpf_prog_test_run_skb+0x64b/0xb20
[  507.278422]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  507.283271]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  507.288120]  bpf_prog_test_run+0x129/0x1a0
[  507.292425]  __x64_sys_bpf+0x397/0x4c0
[  507.296322]  ? bpf_prog_get+0x20/0x20
[  507.300139]  ? do_syscall_64+0x26/0x620
[  507.304116]  ? lockdep_hardirqs_on+0x415/0x5d0
[  507.308703]  ? trace_hardirqs_on+0x67/0x220
[  507.313028]  do_syscall_64+0xfd/0x620
[  507.316854]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  507.322045] RIP: 0033:0x45b349
[  507.325240] Code: Bad RIP value.
[  507.328703] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  507.336409] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  507.343688] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  507.350967] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  507.358238] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  507.365498] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  507.372794] warn_alloc_show_mem: 1 callbacks suppressed
[  507.372805] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  507.372806] Mem-Info:
[  507.372837] active_anon:162126 inactive_anon:206 isolated_anon:0
[  507.372837]  active_file:14 inactive_file:11 isolated_file:0
[  507.372837]  unevictable:0 dirty:0 writeback:0 unstable:0
[  507.372837]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  507.372837]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  507.372837]  free:10931 free_pcp:206 free_cma:0
[  507.378214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  507.378241] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  507.385707] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  507.388117] Call Trace:
[  507.421280] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  507.430758]  <IRQ>
[  507.437859] 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
[  507.465576]  dump_stack+0x197/0x210
[  507.468136] lowmem_reserve[]: 0 2545 2546 2546 2546
[  507.493843]  warn_alloc.cold+0x7b/0x173
[  507.495969] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  507.522181]  ? zone_watermark_ok_safe+0x260/0x260
[  507.526565] lowmem_reserve[]: 0 0 1 1 1
[  507.531619]  ? __cpuset_node_allowed+0x136/0x540
[  507.535581] 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
[  507.564504]  ? __isolate_free_page+0x4c0/0x4c0
[  507.569320] lowmem_reserve[]: 0 0 0 0 0
[  507.573307]  ? wake_all_kswapds+0x14d/0x300
[  507.578038] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  507.604088]  __alloc_pages_slowpath+0x2214/0x2870
[  507.608733] lowmem_reserve[]: 0 0 0 0 0
[  507.612773]  ? warn_alloc+0x110/0x110
[  507.617075] 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
[  507.644590]  ? __lock_acquire+0x6ee/0x49c0
[  507.649431] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  507.653404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  507.657189] 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
[  507.669796]  ? should_fail+0x14d/0x85c
[  507.674040] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  507.687526]  ? __isolate_free_page+0x4c0/0x4c0
[  507.693055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  507.703750]  __alloc_pages_nodemask+0x617/0x750
[  507.707614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  507.723510]  ? __alloc_pages_slowpath+0x2870/0x2870
[  507.728084] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  507.736928]  ? find_held_lock+0x35/0x130
[  507.741571] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  507.750688]  cache_grow_begin+0x91/0x8c0
[  507.755696] 281 total pagecache pages
[  507.764549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.768592] 0 pages in swap cache
[  507.777261]  ? __cpuset_node_allowed+0x136/0x540
[  507.781304] Swap cache stats: add 0, delete 0, find 0/0
[  507.785110]  fallback_alloc+0x1fd/0x2d0
[  507.790629] Free swap  = 0kB
[  507.790638] Total swap = 0kB
[  507.794096]  ____cache_alloc_node+0x1be/0x1e0
[  507.798843] 1965979 pages RAM
[  507.804210]  kmem_cache_alloc_node+0xe3/0x710
[  507.808150] 0 pages HighMem/MovableOnly
[  507.808159] 341724 pages reserved
[  507.811177]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  507.814175] 0 pages cma reserved
[  507.818708]  __alloc_skb+0xd5/0x5f0
[  507.818722]  ? skb_trim+0x190/0x190
[  507.818736]  ? kasan_check_read+0x11/0x20
[  507.818758]  ndisc_alloc_skb+0x13c/0x340
[  507.821919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  507.826362]  ndisc_send_rs+0x35f/0x6e0
[  507.826381]  addrconf_rs_timer+0x30f/0x680
[  507.826403]  ? ipv6_get_lladdr+0x490/0x490
[  507.830420] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  507.833947]  call_timer_fn+0x18d/0x720
[  507.838154] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  507.841542]  ? ipv6_get_lladdr+0x490/0x490
[  507.899756]  ? process_timeout+0x40/0x40
[  507.903821]  ? run_timer_softirq+0x644/0x16a0
[  507.908328]  ? trace_hardirqs_on+0x67/0x220
[  507.912841]  ? ipv6_get_lladdr+0x490/0x490
[  507.917084]  run_timer_softirq+0x64f/0x16a0
[  507.921524]  ? add_timer+0xbe0/0xbe0
[  507.925230]  ? __lock_is_held+0xb6/0x140
[  507.929309]  __do_softirq+0x25c/0x921
[  507.933230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.938771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  507.944322]  irq_exit+0x180/0x1d0
[  507.947773]  smp_apic_timer_interrupt+0x13b/0x550
[  507.952615]  apic_timer_interrupt+0xf/0x20
[  507.956864]  </IRQ>
[  507.959218] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  507.964150] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  507.983157] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  507.990874] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  507.998139] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  508.005412] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  508.012677] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  508.020067] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  508.027373]  ? mark_held_locks+0xb1/0x100
[  508.031540]  ? __netdev_alloc_skb+0x370/0x470
[  508.036056]  __build_skb+0x3e/0x310
[  508.040558]  __netdev_alloc_skb+0x2ba/0x470
[  508.044891]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  508.049734]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  508.055107]  ? find_held_lock+0x35/0x130
[  508.059186]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  508.063598]  ? check_preemption_disabled+0x48/0x290
[  508.068790]  ? prandom_u32_state+0x13/0x180
[  508.073111]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  508.078315]  ? kmem_cache_alloc+0x32a/0x700
[  508.082652]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  508.087603]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  508.093949]  process_one_work+0x989/0x1750
[  508.098199]  ? pwq_dec_nr_in_flight+0x320/0x320
[  508.102880]  ? lock_acquire+0x16f/0x3f0
[  508.106863]  ? kasan_check_write+0x14/0x20
[  508.111131]  ? do_raw_spin_lock+0xd7/0x250
[  508.115371]  worker_thread+0x98/0xe40
[  508.119197]  kthread+0x354/0x420
[  508.122556]  ? process_one_work+0x1750/0x1750
[  508.127054]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  508.132606]  ret_from_fork+0x24/0x30
[  508.136357] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  508.136421] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  508.144160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  508.144166] Call Trace:
[  508.144173]  <IRQ>
[  508.144192]  dump_stack+0x197/0x210
[  508.144212]  warn_alloc.cold+0x7b/0x173
[  508.144230]  ? zone_watermark_ok_safe+0x260/0x260
[  508.151552] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  508.160858]  ? __cpuset_node_allowed+0x136/0x540
[  508.163423] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  508.165597]  ? __isolate_free_page+0x4c0/0x4c0
[  508.202913]  ? wake_all_kswapds+0x14d/0x300
[  508.207239]  __alloc_pages_slowpath+0x2214/0x2870
[  508.212121]  ? warn_alloc+0x110/0x110
[  508.215920]  ? __lock_acquire+0x6ee/0x49c0
[  508.220291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  508.225837]  ? should_fail+0x14d/0x85c
[  508.229720]  ? __isolate_free_page+0x4c0/0x4c0
[  508.234317]  __alloc_pages_nodemask+0x617/0x750
[  508.239083]  ? __alloc_pages_slowpath+0x2870/0x2870
[  508.244106]  ? find_held_lock+0x35/0x130
[  508.248189]  cache_grow_begin+0x91/0x8c0
[  508.252253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.257794]  ? __cpuset_node_allowed+0x136/0x540
[  508.262568]  fallback_alloc+0x1fd/0x2d0
[  508.266555]  ____cache_alloc_node+0x1be/0x1e0
[  508.271047]  kmem_cache_alloc_node+0xe3/0x710
[  508.275550]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  508.279811]  __alloc_skb+0xd5/0x5f0
[  508.283437]  ? skb_trim+0x190/0x190
[  508.287189]  ? kasan_check_read+0x11/0x20
[  508.291355]  ndisc_alloc_skb+0x13c/0x340
[  508.295423]  ndisc_send_rs+0x35f/0x6e0
[  508.299321]  addrconf_rs_timer+0x30f/0x680
[  508.303563]  ? ipv6_get_lladdr+0x490/0x490
[  508.307813]  call_timer_fn+0x18d/0x720
[  508.311695]  ? ipv6_get_lladdr+0x490/0x490
[  508.316033]  ? process_timeout+0x40/0x40
[  508.320096]  ? run_timer_softirq+0x644/0x16a0
[  508.324599]  ? trace_hardirqs_on+0x67/0x220
[  508.328915]  ? ipv6_get_lladdr+0x490/0x490
[  508.333141]  run_timer_softirq+0x64f/0x16a0
[  508.337591]  ? add_timer+0xbe0/0xbe0
[  508.341301]  ? __lock_is_held+0xb6/0x140
[  508.345372]  __do_softirq+0x25c/0x921
[  508.349167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.354707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.360250]  irq_exit+0x180/0x1d0
[  508.363699]  smp_apic_timer_interrupt+0x13b/0x550
[  508.368637]  apic_timer_interrupt+0xf/0x20
[  508.372861]  </IRQ>
[  508.375091] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  508.380025] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  508.398928] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  508.406647] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  508.413918] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  508.421297] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  508.428572] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  508.435948] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  508.443262]  ? finish_task_switch+0x146/0x7c0
[  508.447758]  skb_clone+0x156/0x3e0
[  508.451296]  bpf_clone_redirect+0xb2/0x480
[  508.455555]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  508.460603]  ? mark_held_locks+0x100/0x100
[  508.464840]  ? __schedule+0x86e/0x1dc0
[  508.468718]  ? retint_kernel+0x2d/0x2d
[  508.472605]  ? firmware_map_remove+0x1a7/0x1a7
[  508.477209]  ? bpf_test_run+0x146/0x430
[  508.481180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.486722]  ? check_preemption_disabled+0x48/0x290
[  508.491733]  ? lock_acquire+0x16f/0x3f0
[  508.495703]  ? kasan_check_read+0x11/0x20
[  508.499854]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  508.505041]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  508.510591]  bpf_test_run+0x10d/0x430
[  508.514402]  bpf_prog_test_run_skb+0x64b/0xb20
[  508.518986]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  508.523842]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  508.528682]  bpf_prog_test_run+0x129/0x1a0
[  508.532928]  __x64_sys_bpf+0x397/0x4c0
[  508.536821]  ? bpf_prog_get+0x20/0x20
[  508.540622]  ? do_syscall_64+0x26/0x620
[  508.544600]  ? lockdep_hardirqs_on+0x415/0x5d0
[  508.549187]  ? trace_hardirqs_on+0x67/0x220
[  508.553519]  do_syscall_64+0xfd/0x620
[  508.557331]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  508.562518] RIP: 0033:0x45b349
[  508.565713] Code: Bad RIP value.
[  508.569074] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  508.576789] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  508.584073] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  508.591333] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  508.598600] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  508.605865] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  508.613169] warn_alloc_show_mem: 1 callbacks suppressed
[  508.613179] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  508.613181] Mem-Info:
[  508.613211] active_anon:162126 inactive_anon:206 isolated_anon:0
[  508.613211]  active_file:14 inactive_file:11 isolated_file:0
[  508.613211]  unevictable:0 dirty:0 writeback:0 unstable:0
[  508.613211]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  508.613211]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  508.613211]  free:10931 free_pcp:206 free_cma:0
[  508.618550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  508.626001] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  508.628411] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  508.661948] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  508.671367] Call Trace:
[  508.699053] 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
[  508.706180]  <IRQ>
[  508.731950] lowmem_reserve[]: 0 2545 2546 2546 2546
[  508.734554]  dump_stack+0x197/0x210
[  508.761521] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  508.763754]  warn_alloc.cold+0x7b/0x173
[  508.768749] lowmem_reserve[]: 0 0 1 1 1
[  508.772397]  ? zone_watermark_ok_safe+0x260/0x260
[  508.801487] 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
[  508.805529]  ? __cpuset_node_allowed+0x136/0x540
[  508.809729] lowmem_reserve[]: 0 0 0 0 0
[  508.814598]  ? __isolate_free_page+0x4c0/0x4c0
[  508.840432] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  508.845462]  ? wake_all_kswapds+0x14d/0x300
[  508.849421] lowmem_reserve[]: 0 0 0 0 0
[  508.854024]  __alloc_pages_slowpath+0x2214/0x2870
[  508.881516] 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
[  508.885932]  ? warn_alloc+0x110/0x110
[  508.889895] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  508.894869]  ? __lock_acquire+0x6ee/0x49c0
[  508.907362] 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
[  508.911346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  508.924680] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  508.929042]  ? should_fail+0x14d/0x85c
[  508.939673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  508.945212]  ? __isolate_free_page+0x4c0/0x4c0
[  508.960803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  508.964701]  __alloc_pages_nodemask+0x617/0x750
[  508.973506] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  508.973520] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  508.978111]  ? __alloc_pages_slowpath+0x2870/0x2870
[  508.986904] 281 total pagecache pages
[  508.991677]  ? find_held_lock+0x35/0x130
[  509.000498] 0 pages in swap cache
[  509.009261]  cache_grow_begin+0x91/0x8c0
[  509.014363] Swap cache stats: add 0, delete 0, find 0/0
[  509.014373] Free swap  = 0kB
[  509.018188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.022235] Total swap = 0kB
[  509.025680]  ? __cpuset_node_allowed+0x136/0x540
[  509.029731] 1965979 pages RAM
[  509.035118]  fallback_alloc+0x1fd/0x2d0
[  509.038114] 0 pages HighMem/MovableOnly
[  509.038119] 341724 pages reserved
[  509.038123] 0 pages cma reserved
[  509.038197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  509.043835]  ____cache_alloc_node+0x1be/0x1e0
[  509.043852]  kmem_cache_alloc_node+0xe3/0x710
[  509.043871]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  509.046924] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  509.051626]  __alloc_skb+0xd5/0x5f0
[  509.054717] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  509.058748]  ? skb_trim+0x190/0x190
[  509.112528]  ? kasan_check_read+0x11/0x20
[  509.116918]  ndisc_alloc_skb+0x13c/0x340
[  509.121031]  ndisc_send_rs+0x35f/0x6e0
[  509.124934]  addrconf_rs_timer+0x30f/0x680
[  509.129179]  ? ipv6_get_lladdr+0x490/0x490
[  509.133438]  call_timer_fn+0x18d/0x720
[  509.137357]  ? ipv6_get_lladdr+0x490/0x490
[  509.141605]  ? process_timeout+0x40/0x40
[  509.145670]  ? run_timer_softirq+0x644/0x16a0
[  509.150164]  ? trace_hardirqs_on+0x67/0x220
[  509.154484]  ? ipv6_get_lladdr+0x490/0x490
[  509.158726]  run_timer_softirq+0x64f/0x16a0
[  509.163149]  ? add_timer+0xbe0/0xbe0
[  509.166887]  ? __lock_is_held+0xb6/0x140
[  509.171043]  __do_softirq+0x25c/0x921
[  509.174857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.180399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  509.185953]  irq_exit+0x180/0x1d0
[  509.189405]  smp_apic_timer_interrupt+0x13b/0x550
[  509.194874]  apic_timer_interrupt+0xf/0x20
[  509.199109]  </IRQ>
[  509.201880] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  509.206832] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  509.225855] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  509.233569] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  509.240860] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  509.248249] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  509.255526] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  509.262797] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  509.270099]  ? mark_held_locks+0xb1/0x100
[  509.274335]  ? __netdev_alloc_skb+0x370/0x470
[  509.278861]  __build_skb+0x3e/0x310
[  509.282508]  __netdev_alloc_skb+0x2ba/0x470
[  509.286962]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  509.291822]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  509.297310]  ? find_held_lock+0x35/0x130
[  509.301396]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  509.305817]  ? check_preemption_disabled+0x48/0x290
[  509.310846]  ? prandom_u32_state+0x13/0x180
[  509.315366]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  509.320672]  ? kmem_cache_alloc+0x32a/0x700
[  509.325023]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  509.329988]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  509.336338]  process_one_work+0x989/0x1750
[  509.340577]  ? pwq_dec_nr_in_flight+0x320/0x320
[  509.345239]  ? lock_acquire+0x16f/0x3f0
[  509.349229]  ? kasan_check_write+0x14/0x20
[  509.353468]  ? do_raw_spin_lock+0xd7/0x250
[  509.357735]  worker_thread+0x98/0xe40
[  509.361545]  kthread+0x354/0x420
[  509.364920]  ? process_one_work+0x1750/0x1750
[  509.369418]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  509.374972]  ret_from_fork+0x24/0x30
[  509.378715] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  509.378780] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  509.386545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  509.386551] Call Trace:
[  509.386558]  <IRQ>
[  509.386577]  dump_stack+0x197/0x210
[  509.386597]  warn_alloc.cold+0x7b/0x173
[  509.386614]  ? zone_watermark_ok_safe+0x260/0x260
[  509.393167] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  509.402487]  ? __cpuset_node_allowed+0x136/0x540
[  509.405049] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  509.407212]  ? __isolate_free_page+0x4c0/0x4c0
[  509.444389]  ? wake_all_kswapds+0x14d/0x300
[  509.448732]  __alloc_pages_slowpath+0x2214/0x2870
[  509.453603]  ? warn_alloc+0x110/0x110
[  509.457404]  ? __lock_acquire+0x6ee/0x49c0
[  509.461647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  509.467184]  ? should_fail+0x14d/0x85c
[  509.471099]  ? __isolate_free_page+0x4c0/0x4c0
[  509.475708]  __alloc_pages_nodemask+0x617/0x750
[  509.480394]  ? __alloc_pages_slowpath+0x2870/0x2870
[  509.485501]  ? find_held_lock+0x35/0x130
[  509.489577]  cache_grow_begin+0x91/0x8c0
[  509.493641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.499193]  ? __cpuset_node_allowed+0x136/0x540
[  509.503999]  fallback_alloc+0x1fd/0x2d0
[  509.508017]  ____cache_alloc_node+0x1be/0x1e0
[  509.512619]  kmem_cache_alloc_node+0xe3/0x710
[  509.517126]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  509.521536]  __alloc_skb+0xd5/0x5f0
[  509.525159]  ? skb_trim+0x190/0x190
[  509.528876]  ? kasan_check_read+0x11/0x20
[  509.533032]  ndisc_alloc_skb+0x13c/0x340
[  509.537122]  ndisc_send_rs+0x35f/0x6e0
[  509.541032]  addrconf_rs_timer+0x30f/0x680
[  509.545282]  ? ipv6_get_lladdr+0x490/0x490
[  509.549521]  call_timer_fn+0x18d/0x720
[  509.553423]  ? ipv6_get_lladdr+0x490/0x490
[  509.557691]  ? process_timeout+0x40/0x40
[  509.561984]  ? run_timer_softirq+0x644/0x16a0
[  509.566535]  ? trace_hardirqs_on+0x67/0x220
[  509.570889]  ? ipv6_get_lladdr+0x490/0x490
[  509.575150]  run_timer_softirq+0x64f/0x16a0
[  509.579475]  ? add_timer+0xbe0/0xbe0
[  509.583200]  ? __lock_is_held+0xb6/0x140
[  509.587305]  __do_softirq+0x25c/0x921
[  509.591118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.596659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.602213]  irq_exit+0x180/0x1d0
[  509.605674]  smp_apic_timer_interrupt+0x13b/0x550
[  509.610583]  apic_timer_interrupt+0xf/0x20
[  509.614816]  </IRQ>
[  509.617062] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  509.622006] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  509.641041] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  509.648759] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  509.656081] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  509.663367] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  509.670638] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  509.677911] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  509.686297]  ? finish_task_switch+0x146/0x7c0
[  509.690791]  skb_clone+0x156/0x3e0
[  509.694346]  bpf_clone_redirect+0xb2/0x480
[  509.698597]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  509.703620]  ? mark_held_locks+0x100/0x100
[  509.707900]  ? __schedule+0x86e/0x1dc0
[  509.711801]  ? retint_kernel+0x2d/0x2d
[  509.715704]  ? firmware_map_remove+0x1a7/0x1a7
[  509.720334]  ? bpf_test_run+0x146/0x430
[  509.724326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.729897]  ? check_preemption_disabled+0x48/0x290
[  509.734944]  ? lock_acquire+0x16f/0x3f0
[  509.738927]  ? kasan_check_read+0x11/0x20
[  509.743086]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  509.748332]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  509.753866]  bpf_test_run+0x10d/0x430
[  509.757712]  bpf_prog_test_run_skb+0x64b/0xb20
[  509.762317]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  509.767181]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  509.772037]  bpf_prog_test_run+0x129/0x1a0
[  509.776640]  __x64_sys_bpf+0x397/0x4c0
[  509.780708]  ? bpf_prog_get+0x20/0x20
[  509.784516]  ? do_syscall_64+0x26/0x620
[  509.788498]  ? lockdep_hardirqs_on+0x415/0x5d0
[  509.793089]  ? trace_hardirqs_on+0x67/0x220
[  509.797439]  do_syscall_64+0xfd/0x620
[  509.801338]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  509.806618] RIP: 0033:0x45b349
[  509.810270] Code: Bad RIP value.
[  509.813768] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  509.821485] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  509.828761] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  509.836041] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  509.843324] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  509.850598] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  509.859436] warn_alloc_show_mem: 1 callbacks suppressed
[  509.859447] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  509.859449] Mem-Info:
[  509.859483] active_anon:162126 inactive_anon:206 isolated_anon:0
[  509.859483]  active_file:14 inactive_file:11 isolated_file:0
[  509.859483]  unevictable:0 dirty:0 writeback:0 unstable:0
[  509.859483]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  509.859483]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  509.859483]  free:10931 free_pcp:206 free_cma:0
[  509.864873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  509.864898] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  509.873663] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  509.876082] Call Trace:
[  509.910051] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  509.910061] 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
[  509.919905]  <IRQ>
[  509.927347] lowmem_reserve[]: 0 2545 2546 2546 2546
[  509.955700]  dump_stack+0x197/0x210
[  509.958267] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  509.984163]  warn_alloc.cold+0x7b/0x173
[  510.010893] lowmem_reserve[]: 0 0 1 1 1
[  510.013172]  ? zone_watermark_ok_safe+0x260/0x260
[  510.018183] 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
[  510.021845]  ? __cpuset_node_allowed+0x136/0x540
[  510.051169] lowmem_reserve[]: 0 0 0 0 0
[  510.055172]  ? __isolate_free_page+0x4c0/0x4c0
[  510.059330] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  510.064188]  ? wake_all_kswapds+0x14d/0x300
[  510.090064] lowmem_reserve[]: 0 0 0 0 0
[  510.094949]  __alloc_pages_slowpath+0x2214/0x2870
[  510.098971] 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
[  510.103593]  ? warn_alloc+0x110/0x110
[  510.131511] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  510.135845]  ? __lock_acquire+0x6ee/0x49c0
[  510.139797] 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
[  510.144646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.157152] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  510.161010]  ? should_fail+0x14d/0x85c
[  510.174352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  510.178714]  ? __isolate_free_page+0x4c0/0x4c0
[  510.189467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  510.195015]  __alloc_pages_nodemask+0x617/0x750
[  510.211144] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  510.215036]  ? __alloc_pages_slowpath+0x2870/0x2870
[  510.223958] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  510.228571]  ? find_held_lock+0x35/0x130
[  510.237189] 281 total pagecache pages
[  510.241970]  cache_grow_begin+0x91/0x8c0
[  510.250806] 0 pages in swap cache
[  510.255843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.264401] Swap cache stats: add 0, delete 0, find 0/0
[  510.268459]  ? __cpuset_node_allowed+0x136/0x540
[  510.272236] Free swap  = 0kB
[  510.272246] Total swap = 0kB
[  510.276324]  fallback_alloc+0x1fd/0x2d0
[  510.279758] 1965979 pages RAM
[  510.285314]  ____cache_alloc_node+0x1be/0x1e0
[  510.290644] 0 pages HighMem/MovableOnly
[  510.295482]  kmem_cache_alloc_node+0xe3/0x710
[  510.298496] 341724 pages reserved
[  510.298504] 0 pages cma reserved
[  510.301533]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  510.305582] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  510.308725]  __alloc_skb+0xd5/0x5f0
[  510.313245] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  510.317173]  ? skb_trim+0x190/0x190
[  510.321680] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  510.325621]  ? kasan_check_read+0x11/0x20
[  510.367080]  ndisc_alloc_skb+0x13c/0x340
[  510.371496]  ndisc_send_rs+0x35f/0x6e0
[  510.375406]  addrconf_rs_timer+0x30f/0x680
[  510.379662]  ? ipv6_get_lladdr+0x490/0x490
[  510.383916]  call_timer_fn+0x18d/0x720
[  510.387822]  ? ipv6_get_lladdr+0x490/0x490
[  510.392064]  ? process_timeout+0x40/0x40
[  510.396118]  ? run_timer_softirq+0x644/0x16a0
[  510.400740]  ? trace_hardirqs_on+0x67/0x220
[  510.405250]  ? ipv6_get_lladdr+0x490/0x490
[  510.409497]  run_timer_softirq+0x64f/0x16a0
[  510.414191]  ? add_timer+0xbe0/0xbe0
[  510.418018]  ? __lock_is_held+0xb6/0x140
[  510.422117]  __do_softirq+0x25c/0x921
[  510.425933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.431481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.437048]  irq_exit+0x180/0x1d0
[  510.440613]  smp_apic_timer_interrupt+0x13b/0x550
[  510.445480]  apic_timer_interrupt+0xf/0x20
[  510.449714]  </IRQ>
[  510.451944] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  510.456880] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  510.475786] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  510.483601] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  510.490866] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  510.498245] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  510.505530] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  510.513172] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  510.520628]  ? mark_held_locks+0xb1/0x100
[  510.524973]  ? __netdev_alloc_skb+0x370/0x470
[  510.529489]  __build_skb+0x3e/0x310
[  510.533133]  __netdev_alloc_skb+0x2ba/0x470
[  510.537470]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  510.542358]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  510.547992]  ? find_held_lock+0x35/0x130
[  510.552086]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  510.556502]  ? check_preemption_disabled+0x48/0x290
[  510.561536]  ? prandom_u32_state+0x13/0x180
[  510.565976]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  510.571183]  ? kmem_cache_alloc+0x32a/0x700
[  510.575515]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  510.580451]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  510.586789]  process_one_work+0x989/0x1750
[  510.591050]  ? pwq_dec_nr_in_flight+0x320/0x320
[  510.595737]  ? lock_acquire+0x16f/0x3f0
[  510.599719]  ? kasan_check_write+0x14/0x20
[  510.603970]  ? do_raw_spin_lock+0xd7/0x250
[  510.608240]  worker_thread+0x98/0xe40
[  510.612049]  kthread+0x354/0x420
[  510.615446]  ? process_one_work+0x1750/0x1750
[  510.619969]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  510.625593]  ret_from_fork+0x24/0x30
[  510.629318] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  510.629376] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  510.637124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  510.637129] Call Trace:
[  510.637135]  <IRQ>
[  510.637154]  dump_stack+0x197/0x210
[  510.637174]  warn_alloc.cold+0x7b/0x173
[  510.637193]  ? zone_watermark_ok_safe+0x260/0x260
[  510.643763] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  510.653058]  ? __cpuset_node_allowed+0x136/0x540
[  510.655724] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  510.657884]  ? __isolate_free_page+0x4c0/0x4c0
[  510.694931]  ? wake_all_kswapds+0x14d/0x300
[  510.699254]  __alloc_pages_slowpath+0x2214/0x2870
[  510.704110]  ? warn_alloc+0x110/0x110
[  510.707905]  ? __lock_acquire+0x6ee/0x49c0
[  510.712243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.717902]  ? should_fail+0x14d/0x85c
[  510.721784]  ? __isolate_free_page+0x4c0/0x4c0
[  510.726374]  __alloc_pages_nodemask+0x617/0x750
[  510.731296]  ? __alloc_pages_slowpath+0x2870/0x2870
[  510.736320]  ? find_held_lock+0x35/0x130
[  510.740380]  cache_grow_begin+0x91/0x8c0
[  510.744450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.749982]  ? __cpuset_node_allowed+0x136/0x540
[  510.754736]  fallback_alloc+0x1fd/0x2d0
[  510.758723]  ____cache_alloc_node+0x1be/0x1e0
[  510.763228]  kmem_cache_alloc_node+0xe3/0x710
[  510.767731]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  510.771966]  __alloc_skb+0xd5/0x5f0
[  510.775596]  ? skb_trim+0x190/0x190
[  510.779215]  ? kasan_check_read+0x11/0x20
[  510.783361]  ndisc_alloc_skb+0x13c/0x340
[  510.787417]  ndisc_send_rs+0x35f/0x6e0
[  510.791301]  addrconf_rs_timer+0x30f/0x680
[  510.795529]  ? ipv6_get_lladdr+0x490/0x490
[  510.799763]  call_timer_fn+0x18d/0x720
[  510.803642]  ? ipv6_get_lladdr+0x490/0x490
[  510.807964]  ? process_timeout+0x40/0x40
[  510.812013]  ? run_timer_softirq+0x644/0x16a0
[  510.816502]  ? trace_hardirqs_on+0x67/0x220
[  510.820827]  ? ipv6_get_lladdr+0x490/0x490
[  510.825066]  run_timer_softirq+0x64f/0x16a0
[  510.829394]  ? add_timer+0xbe0/0xbe0
[  510.833115]  ? __lock_is_held+0xb6/0x140
[  510.837183]  __do_softirq+0x25c/0x921
[  510.840974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.846514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.852052]  irq_exit+0x180/0x1d0
[  510.855518]  smp_apic_timer_interrupt+0x13b/0x550
[  510.860443]  apic_timer_interrupt+0xf/0x20
[  510.864676]  </IRQ>
[  510.866921] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  510.871948] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  510.890891] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  510.898616] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  510.905968] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  510.913603] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  510.920881] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  510.928157] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  510.935462]  ? finish_task_switch+0x146/0x7c0
[  510.940074]  skb_clone+0x156/0x3e0
[  510.943635]  bpf_clone_redirect+0xb2/0x480
[  510.947886]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  510.952913]  ? mark_held_locks+0x100/0x100
[  510.957147]  ? __schedule+0x86e/0x1dc0
[  510.961051]  ? retint_kernel+0x2d/0x2d
[  510.964952]  ? firmware_map_remove+0x1a7/0x1a7
[  510.969544]  ? bpf_test_run+0x146/0x430
[  510.973532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.979349]  ? check_preemption_disabled+0x48/0x290
[  510.984370]  ? lock_acquire+0x16f/0x3f0
[  510.988361]  ? kasan_check_read+0x11/0x20
[  510.992659]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  510.997979]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  511.003787]  bpf_test_run+0x10d/0x430
[  511.007612]  bpf_prog_test_run_skb+0x64b/0xb20
[  511.012211]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  511.017072]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  511.022357]  bpf_prog_test_run+0x129/0x1a0
[  511.026837]  __x64_sys_bpf+0x397/0x4c0
[  511.030737]  ? bpf_prog_get+0x20/0x20
[  511.034573]  ? do_syscall_64+0x26/0x620
[  511.038561]  ? lockdep_hardirqs_on+0x415/0x5d0
[  511.043147]  ? trace_hardirqs_on+0x67/0x220
[  511.047777]  do_syscall_64+0xfd/0x620
[  511.051590]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  511.056780] RIP: 0033:0x45b349
[  511.059982] Code: Bad RIP value.
[  511.063371] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  511.071097] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  511.078405] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  511.085684] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  511.092969] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  511.100238] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  511.107540] warn_alloc_show_mem: 1 callbacks suppressed
[  511.107551] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  511.107553] Mem-Info:
[  511.107582] active_anon:162126 inactive_anon:206 isolated_anon:0
[  511.107582]  active_file:14 inactive_file:11 isolated_file:0
[  511.107582]  unevictable:0 dirty:0 writeback:0 unstable:0
[  511.107582]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  511.107582]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  511.107582]  free:10931 free_pcp:206 free_cma:0
[  511.112936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  511.120393] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  511.122808] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  511.155881] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  511.165416] Call Trace:
[  511.193106] 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
[  511.200298]  <IRQ>
[  511.226239] lowmem_reserve[]: 0 2545 2546 2546 2546
[  511.228938]  dump_stack+0x197/0x210
[  511.255136] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  511.257304]  warn_alloc.cold+0x7b/0x173
[  511.262300] lowmem_reserve[]: 0 0 1 1 1
[  511.265981]  ? zone_watermark_ok_safe+0x260/0x260
[  511.294885] 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
[  511.299002]  ? __cpuset_node_allowed+0x136/0x540
[  511.302949] lowmem_reserve[]: 0 0 0 0 0
[  511.307814]  ? __isolate_free_page+0x4c0/0x4c0
[  511.335144] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  511.339908]  ? wake_all_kswapds+0x14d/0x300
[  511.343852] lowmem_reserve[]: 0 0 0 0 0
[  511.348467]  __alloc_pages_slowpath+0x2214/0x2870
[  511.375953] 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
[  511.380607]  ? warn_alloc+0x110/0x110
[  511.384543] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  511.389435]  ? __lock_acquire+0x6ee/0x49c0
[  511.401905] 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
[  511.405708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  511.419055] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  511.423309]  ? should_fail+0x14d/0x85c
[  511.433963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  511.439503]  ? __isolate_free_page+0x4c0/0x4c0
[  511.455103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  511.455118] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  511.459018]  __alloc_pages_nodemask+0x617/0x750
[  511.467960] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  511.467970] 281 total pagecache pages
[  511.472576]  ? __alloc_pages_slowpath+0x2870/0x2870
[  511.481132] 0 pages in swap cache
[  511.489987]  ? find_held_lock+0x35/0x130
[  511.494634] Swap cache stats: add 0, delete 0, find 0/0
[  511.503322]  cache_grow_begin+0x91/0x8c0
[  511.507554] Free swap  = 0kB
[  511.512587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.516010] Total swap = 0kB
[  511.516020] 1965979 pages RAM
[  511.520088]  ? __cpuset_node_allowed+0x136/0x540
[  511.525430] 0 pages HighMem/MovableOnly
[  511.525439] 341724 pages reserved
[  511.529502]  fallback_alloc+0x1fd/0x2d0
[  511.532489] 0 pages cma reserved
[  511.532559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  511.538050]  ____cache_alloc_node+0x1be/0x1e0
[  511.538067]  kmem_cache_alloc_node+0xe3/0x710
[  511.538081]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  511.538104]  __alloc_skb+0xd5/0x5f0
[  511.541230] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  511.544235]  ? skb_trim+0x190/0x190
[  511.548972] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  511.552945]  ? kasan_check_read+0x11/0x20
[  511.610982]  ndisc_alloc_skb+0x13c/0x340
[  511.615101]  ndisc_send_rs+0x35f/0x6e0
[  511.619026]  addrconf_rs_timer+0x30f/0x680
[  511.623411]  ? ipv6_get_lladdr+0x490/0x490
[  511.627652]  call_timer_fn+0x18d/0x720
[  511.631550]  ? ipv6_get_lladdr+0x490/0x490
[  511.635810]  ? process_timeout+0x40/0x40
[  511.639872]  ? run_timer_softirq+0x644/0x16a0
[  511.644368]  ? trace_hardirqs_on+0x67/0x220
[  511.648703]  ? ipv6_get_lladdr+0x490/0x490
[  511.652946]  run_timer_softirq+0x64f/0x16a0
[  511.657389]  ? add_timer+0xbe0/0xbe0
[  511.661127]  ? __lock_is_held+0xb6/0x140
[  511.665208]  __do_softirq+0x25c/0x921
[  511.669008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.674572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  511.680360]  irq_exit+0x180/0x1d0
[  511.683829]  smp_apic_timer_interrupt+0x13b/0x550
[  511.688842]  apic_timer_interrupt+0xf/0x20
[  511.693093]  </IRQ>
[  511.695367] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  511.700316] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  511.719226] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  511.726941] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  511.734327] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  511.741605] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  511.748983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  511.756254] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  511.763553]  ? mark_held_locks+0xb1/0x100
[  511.767815]  ? __netdev_alloc_skb+0x370/0x470
[  511.772324]  __build_skb+0x3e/0x310
[  511.775964]  __netdev_alloc_skb+0x2ba/0x470
[  511.780299]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  511.785148]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  511.790528]  ? find_held_lock+0x35/0x130
[  511.794608]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  511.799223]  ? check_preemption_disabled+0x48/0x290
[  511.804255]  ? prandom_u32_state+0x13/0x180
[  511.808721]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  511.815514]  ? kmem_cache_alloc+0x32a/0x700
[  511.819841]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  511.824925]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  511.831269]  process_one_work+0x989/0x1750
[  511.835515]  ? pwq_dec_nr_in_flight+0x320/0x320
[  511.840304]  ? lock_acquire+0x16f/0x3f0
[  511.844322]  ? kasan_check_write+0x14/0x20
[  511.848569]  ? do_raw_spin_lock+0xd7/0x250
[  511.852811]  worker_thread+0x98/0xe40
[  511.857404]  kthread+0x354/0x420
[  511.860797]  ? process_one_work+0x1750/0x1750
[  511.865309]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  511.870858]  ret_from_fork+0x24/0x30
[  511.874583] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  511.874648] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  511.882480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  511.882488] Call Trace:
[  511.889109] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  511.898366]  <IRQ>
[  511.901225] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  511.911726]  dump_stack+0x197/0x210
[  511.922565]  warn_alloc.cold+0x7b/0x173
[  511.926544]  ? zone_watermark_ok_safe+0x260/0x260
[  511.931397]  ? __cpuset_node_allowed+0x136/0x540
[  511.936170]  ? __isolate_free_page+0x4c0/0x4c0
[  511.940957]  ? wake_all_kswapds+0x14d/0x300
[  511.945346]  __alloc_pages_slowpath+0x2214/0x2870
[  511.950239]  ? warn_alloc+0x110/0x110
[  511.954039]  ? __lock_acquire+0x6ee/0x49c0
[  511.958284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  511.963835]  ? should_fail+0x14d/0x85c
[  511.967821]  ? __isolate_free_page+0x4c0/0x4c0
[  511.972434]  __alloc_pages_nodemask+0x617/0x750
[  511.977197]  ? __alloc_pages_slowpath+0x2870/0x2870
[  511.982356]  ? find_held_lock+0x35/0x130
[  511.986458]  cache_grow_begin+0x91/0x8c0
[  511.990530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.996266]  ? __cpuset_node_allowed+0x136/0x540
[  512.001103]  fallback_alloc+0x1fd/0x2d0
[  512.005379]  ____cache_alloc_node+0x1be/0x1e0
[  512.010053]  kmem_cache_alloc_node+0xe3/0x710
[  512.014569]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  512.018820]  __alloc_skb+0xd5/0x5f0
[  512.022481]  ? skb_trim+0x190/0x190
[  512.026129]  ? kasan_check_read+0x11/0x20
[  512.030308]  ndisc_alloc_skb+0x13c/0x340
[  512.034394]  ndisc_send_rs+0x35f/0x6e0
[  512.038396]  addrconf_rs_timer+0x30f/0x680
[  512.042689]  ? ipv6_get_lladdr+0x490/0x490
[  512.046963]  call_timer_fn+0x18d/0x720
[  512.050848]  ? ipv6_get_lladdr+0x490/0x490
[  512.055078]  ? process_timeout+0x40/0x40
[  512.059250]  ? run_timer_softirq+0x644/0x16a0
[  512.063772]  ? trace_hardirqs_on+0x67/0x220
[  512.068108]  ? ipv6_get_lladdr+0x490/0x490
[  512.072334]  run_timer_softirq+0x64f/0x16a0
[  512.076699]  ? add_timer+0xbe0/0xbe0
[  512.080423]  ? __lock_is_held+0xb6/0x140
[  512.084522]  __do_softirq+0x25c/0x921
[  512.088325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.093863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.099443]  irq_exit+0x180/0x1d0
[  512.102910]  smp_apic_timer_interrupt+0x13b/0x550
[  512.107764]  apic_timer_interrupt+0xf/0x20
[  512.112001]  </IRQ>
[  512.114237] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  512.119168] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  512.138168] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  512.146003] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  512.153279] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  512.160557] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  512.167828] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  512.175202] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  512.182504]  ? finish_task_switch+0x146/0x7c0
[  512.187000]  skb_clone+0x156/0x3e0
[  512.190553]  bpf_clone_redirect+0xb2/0x480
[  512.194822]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  512.199879]  ? mark_held_locks+0x100/0x100
[  512.204122]  ? __schedule+0x86e/0x1dc0
[  512.208014]  ? retint_kernel+0x2d/0x2d
[  512.211912]  ? firmware_map_remove+0x1a7/0x1a7
[  512.216611]  ? bpf_test_run+0x146/0x430
[  512.220603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.226140]  ? check_preemption_disabled+0x48/0x290
[  512.231151]  ? lock_acquire+0x16f/0x3f0
[  512.235136]  ? kasan_check_read+0x11/0x20
[  512.239343]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  512.244546]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  512.250375]  bpf_test_run+0x10d/0x430
[  512.254200]  bpf_prog_test_run_skb+0x64b/0xb20
[  512.258802]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  512.263845]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  512.268701]  bpf_prog_test_run+0x129/0x1a0
[  512.272959]  __x64_sys_bpf+0x397/0x4c0
[  512.276991]  ? bpf_prog_get+0x20/0x20
[  512.280805]  ? do_syscall_64+0x26/0x620
[  512.285042]  ? lockdep_hardirqs_on+0x415/0x5d0
[  512.289621]  ? trace_hardirqs_on+0x67/0x220
[  512.293969]  do_syscall_64+0xfd/0x620
[  512.297807]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  512.303010] RIP: 0033:0x45b349
[  512.308241] Code: Bad RIP value.
[  512.311606] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  512.319494] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  512.326781] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  512.334145] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  512.343258] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  512.350589] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  512.357882] warn_alloc_show_mem: 1 callbacks suppressed
[  512.357893] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  512.357895] Mem-Info:
[  512.357925] active_anon:162126 inactive_anon:206 isolated_anon:0
[  512.357925]  active_file:14 inactive_file:11 isolated_file:0
[  512.357925]  unevictable:0 dirty:0 writeback:0 unstable:0
[  512.357925]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  512.357925]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  512.357925]  free:10931 free_pcp:206 free_cma:0
[  512.363378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  512.363402] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  512.371054] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  512.373452] Call Trace:
[  512.406537] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  512.415878]  <IRQ>
[  512.422980] 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
[  512.450972]  dump_stack+0x197/0x210
[  512.454252] lowmem_reserve[]: 0 2545 2546 2546 2546
[  512.480179]  warn_alloc.cold+0x7b/0x173
[  512.482333] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  512.508569]  ? zone_watermark_ok_safe+0x260/0x260
[  512.512182] lowmem_reserve[]: 0 0 1 1 1
[  512.517197]  ? __cpuset_node_allowed+0x136/0x540
[  512.521159] 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
[  512.550269]  ? __isolate_free_page+0x4c0/0x4c0
[  512.555088] lowmem_reserve[]: 0 0 0 0 0
[  512.559083]  ? wake_all_kswapds+0x14d/0x300
[  512.563833] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  512.589632]  __alloc_pages_slowpath+0x2214/0x2870
[  512.594201] lowmem_reserve[]: 0 0 0 0 0
[  512.598232]  ? warn_alloc+0x110/0x110
[  512.602707] 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
[  512.630223]  ? __lock_acquire+0x6ee/0x49c0
[  512.635189] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  512.639169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  512.642941] 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
[  512.655442]  ? should_fail+0x14d/0x85c
[  512.659661] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  512.673201]  ? __isolate_free_page+0x4c0/0x4c0
[  512.678758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  512.690131]  __alloc_pages_nodemask+0x617/0x750
[  512.693992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  512.710072]  ? __alloc_pages_slowpath+0x2870/0x2870
[  512.714653] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  512.723600]  ? find_held_lock+0x35/0x130
[  512.728253] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  512.728263] 281 total pagecache pages
[  512.737405]  cache_grow_begin+0x91/0x8c0
[  512.742404] 0 pages in swap cache
[  512.751246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.755300] Swap cache stats: add 0, delete 0, find 0/0
[  512.755310] Free swap  = 0kB
[  512.763894]  ? __cpuset_node_allowed+0x136/0x540
[  512.767684] Total swap = 0kB
[  512.767694] 1965979 pages RAM
[  512.771779]  fallback_alloc+0x1fd/0x2d0
[  512.775189] 0 pages HighMem/MovableOnly
[  512.780721]  ____cache_alloc_node+0x1be/0x1e0
[  512.786576] 341724 pages reserved
[  512.786585] 0 pages cma reserved
[  512.789608]  kmem_cache_alloc_node+0xe3/0x710
[  512.794390] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  512.797476]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  512.800727] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  512.804650]  __alloc_skb+0xd5/0x5f0
[  512.808615] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  512.813222]  ? skb_trim+0x190/0x190
[  512.858468]  ? kasan_check_read+0x11/0x20
[  512.862636]  ndisc_alloc_skb+0x13c/0x340
[  512.866747]  ndisc_send_rs+0x35f/0x6e0
[  512.870663]  addrconf_rs_timer+0x30f/0x680
[  512.874900]  ? ipv6_get_lladdr+0x490/0x490
[  512.879322]  call_timer_fn+0x18d/0x720
[  512.883222]  ? ipv6_get_lladdr+0x490/0x490
[  512.887468]  ? process_timeout+0x40/0x40
[  512.891552]  ? run_timer_softirq+0x644/0x16a0
[  512.896142]  ? trace_hardirqs_on+0x67/0x220
[  512.900460]  ? ipv6_get_lladdr+0x490/0x490
[  512.904707]  run_timer_softirq+0x64f/0x16a0
[  512.909058]  ? add_timer+0xbe0/0xbe0
[  512.912819]  ? __lock_is_held+0xb6/0x140
[  512.916901]  __do_softirq+0x25c/0x921
[  512.920698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.926224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  512.931779]  irq_exit+0x180/0x1d0
[  512.935248]  smp_apic_timer_interrupt+0x13b/0x550
[  512.940121]  apic_timer_interrupt+0xf/0x20
[  512.944351]  </IRQ>
[  512.946599] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  512.951536] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  512.970637] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  512.978339] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  512.985622] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  512.992919] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  513.000187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  513.007452] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  513.014758]  ? mark_held_locks+0xb1/0x100
[  513.018907]  ? __netdev_alloc_skb+0x370/0x470
[  513.023717]  __build_skb+0x3e/0x310
[  513.027480]  __netdev_alloc_skb+0x2ba/0x470
[  513.031814]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  513.036658]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  513.042056]  ? find_held_lock+0x35/0x130
[  513.046144]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  513.050553]  ? check_preemption_disabled+0x48/0x290
[  513.055591]  ? prandom_u32_state+0x13/0x180
[  513.059922]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  513.065135]  ? kmem_cache_alloc+0x32a/0x700
[  513.069545]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  513.074684]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  513.081125]  process_one_work+0x989/0x1750
[  513.085379]  ? pwq_dec_nr_in_flight+0x320/0x320
[  513.090170]  ? lock_acquire+0x16f/0x3f0
[  513.094148]  ? kasan_check_write+0x14/0x20
[  513.098850]  ? do_raw_spin_lock+0xd7/0x250
[  513.103085]  worker_thread+0x98/0xe40
[  513.106890]  kthread+0x354/0x420
[  513.110384]  ? process_one_work+0x1750/0x1750
[  513.114875]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  513.120422]  ret_from_fork+0x24/0x30
[  513.124152] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  513.124218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  513.132132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  513.132143] Call Trace:
[  513.139354] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  513.150329]  <IRQ>
[  513.152950] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  513.163371]  dump_stack+0x197/0x210
[  513.174075]  warn_alloc.cold+0x7b/0x173
[  513.178061]  ? zone_watermark_ok_safe+0x260/0x260
[  513.182916]  ? __cpuset_node_allowed+0x136/0x540
[  513.187674]  ? __isolate_free_page+0x4c0/0x4c0
[  513.192255]  ? wake_all_kswapds+0x14d/0x300
[  513.196603]  __alloc_pages_slowpath+0x2214/0x2870
[  513.201464]  ? warn_alloc+0x110/0x110
[  513.205273]  ? __lock_acquire+0x6ee/0x49c0
[  513.209519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  513.215061]  ? should_fail+0x14d/0x85c
[  513.218966]  ? __isolate_free_page+0x4c0/0x4c0
[  513.223570]  __alloc_pages_nodemask+0x617/0x750
[  513.228255]  ? __alloc_pages_slowpath+0x2870/0x2870
[  513.233314]  ? find_held_lock+0x35/0x130
[  513.237422]  cache_grow_begin+0x91/0x8c0
[  513.241486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.247037]  ? __cpuset_node_allowed+0x136/0x540
[  513.251826]  fallback_alloc+0x1fd/0x2d0
[  513.255803]  ____cache_alloc_node+0x1be/0x1e0
[  513.260333]  kmem_cache_alloc_node+0xe3/0x710
[  513.264845]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  513.269095]  __alloc_skb+0xd5/0x5f0
[  513.272732]  ? skb_trim+0x190/0x190
[  513.276357]  ? kasan_check_read+0x11/0x20
[  513.280511]  ndisc_alloc_skb+0x13c/0x340
[  513.284680]  ndisc_send_rs+0x35f/0x6e0
[  513.288591]  addrconf_rs_timer+0x30f/0x680
[  513.293009]  ? ipv6_get_lladdr+0x490/0x490
[  513.297265]  call_timer_fn+0x18d/0x720
[  513.301212]  ? ipv6_get_lladdr+0x490/0x490
[  513.305456]  ? process_timeout+0x40/0x40
[  513.309538]  ? run_timer_softirq+0x644/0x16a0
[  513.314046]  ? trace_hardirqs_on+0x67/0x220
[  513.318518]  ? ipv6_get_lladdr+0x490/0x490
[  513.322766]  run_timer_softirq+0x64f/0x16a0
[  513.327204]  ? add_timer+0xbe0/0xbe0
[  513.330921]  ? __lock_is_held+0xb6/0x140
[  513.334994]  __do_softirq+0x25c/0x921
[  513.338806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.344473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.350113]  irq_exit+0x180/0x1d0
[  513.353577]  smp_apic_timer_interrupt+0x13b/0x550
[  513.358425]  apic_timer_interrupt+0xf/0x20
[  513.362653]  </IRQ>
[  513.364886] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  513.369902] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  513.388809] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  513.396536] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  513.403813] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  513.411089] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  513.418357] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  513.425638] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  513.432962]  ? finish_task_switch+0x146/0x7c0
[  513.439493]  skb_clone+0x156/0x3e0
[  513.443032]  bpf_clone_redirect+0xb2/0x480
[  513.447274]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  513.452328]  ? mark_held_locks+0x100/0x100
[  513.456703]  ? __schedule+0x86e/0x1dc0
[  513.460620]  ? retint_kernel+0x2d/0x2d
[  513.464515]  ? firmware_map_remove+0x1a7/0x1a7
[  513.469108]  ? bpf_test_run+0x146/0x430
[  513.473100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.478661]  ? check_preemption_disabled+0x48/0x290
[  513.483675]  ? lock_acquire+0x16f/0x3f0
[  513.487647]  ? kasan_check_read+0x11/0x20
[  513.492107]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  513.497318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  513.502873]  bpf_test_run+0x10d/0x430
[  513.506683]  bpf_prog_test_run_skb+0x64b/0xb20
[  513.511304]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  513.516158]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  513.521011]  bpf_prog_test_run+0x129/0x1a0
[  513.525251]  __x64_sys_bpf+0x397/0x4c0
[  513.529149]  ? bpf_prog_get+0x20/0x20
[  513.533005]  ? do_syscall_64+0x26/0x620
[  513.536980]  ? lockdep_hardirqs_on+0x415/0x5d0
[  513.541560]  ? trace_hardirqs_on+0x67/0x220
[  513.545987]  do_syscall_64+0xfd/0x620
[  513.549831]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  513.555115] RIP: 0033:0x45b349
[  513.558314] Code: Bad RIP value.
[  513.561667] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  513.570329] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  513.577612] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  513.584890] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  513.592180] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  513.599465] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  513.606758] warn_alloc_show_mem: 1 callbacks suppressed
[  513.606769] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  513.606771] Mem-Info:
[  513.606800] active_anon:162126 inactive_anon:206 isolated_anon:0
[  513.606800]  active_file:14 inactive_file:11 isolated_file:0
[  513.606800]  unevictable:0 dirty:0 writeback:0 unstable:0
[  513.606800]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  513.606800]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  513.606800]  free:10931 free_pcp:206 free_cma:0
[  513.612154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  513.612179] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  513.619731] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  513.622132] Call Trace:
[  513.655323] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  513.664805]  <IRQ>
[  513.672009] 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
[  513.699619]  dump_stack+0x197/0x210
[  513.702191] lowmem_reserve[]: 0 2545 2546 2546 2546
[  513.727890]  warn_alloc.cold+0x7b/0x173
[  513.730014] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  513.756139]  ? zone_watermark_ok_safe+0x260/0x260
[  513.759742] lowmem_reserve[]: 0 0 1 1 1
[  513.764755]  ? __cpuset_node_allowed+0x136/0x540
[  513.768711] 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
[  513.797640]  ? __isolate_free_page+0x4c0/0x4c0
[  513.802586] lowmem_reserve[]: 0 0 0 0 0
[  513.806583]  ? wake_all_kswapds+0x14d/0x300
[  513.811403] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  513.838278]  __alloc_pages_slowpath+0x2214/0x2870
[  513.842846] lowmem_reserve[]: 0 0 0 0 0
[  513.846850]  ? warn_alloc+0x110/0x110
[  513.851134] 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
[  513.878653]  ? __lock_acquire+0x6ee/0x49c0
[  513.883479] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  513.889570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  513.893343] 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
[  513.905839]  ? should_fail+0x14d/0x85c
[  513.910045] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  513.923412]  ? __isolate_free_page+0x4c0/0x4c0
[  513.928929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  513.939683]  __alloc_pages_nodemask+0x617/0x750
[  513.943550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  513.959275]  ? __alloc_pages_slowpath+0x2870/0x2870
[  513.963835] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  513.972677]  ? find_held_lock+0x35/0x130
[  513.977333] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  513.985919]  cache_grow_begin+0x91/0x8c0
[  513.990919] 281 total pagecache pages
[  514.000853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.004903] 0 pages in swap cache
[  514.013566]  ? __cpuset_node_allowed+0x136/0x540
[  514.017614] Swap cache stats: add 0, delete 0, find 0/0
[  514.017623] Free swap  = 0kB
[  514.021415]  fallback_alloc+0x1fd/0x2d0
[  514.026930] Total swap = 0kB
[  514.030391]  ____cache_alloc_node+0x1be/0x1e0
[  514.035129] 1965979 pages RAM
[  514.035133] 0 pages HighMem/MovableOnly
[  514.035137] 341724 pages reserved
[  514.035140] 0 pages cma reserved
[  514.035213] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  514.040563]  kmem_cache_alloc_node+0xe3/0x710
[  514.043667] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  514.047569]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  514.050553] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  514.055059]  __alloc_skb+0xd5/0x5f0
[  514.104178]  ? skb_trim+0x190/0x190
[  514.107802]  ? kasan_check_read+0x11/0x20
[  514.111974]  ndisc_alloc_skb+0x13c/0x340
[  514.116054]  ndisc_send_rs+0x35f/0x6e0
[  514.119963]  addrconf_rs_timer+0x30f/0x680
[  514.124197]  ? ipv6_get_lladdr+0x490/0x490
[  514.128431]  call_timer_fn+0x18d/0x720
[  514.132351]  ? ipv6_get_lladdr+0x490/0x490
[  514.136583]  ? process_timeout+0x40/0x40
[  514.140776]  ? run_timer_softirq+0x644/0x16a0
[  514.145290]  ? trace_hardirqs_on+0x67/0x220
[  514.149621]  ? ipv6_get_lladdr+0x490/0x490
[  514.153861]  run_timer_softirq+0x64f/0x16a0
[  514.158194]  ? add_timer+0xbe0/0xbe0
[  514.162022]  ? __lock_is_held+0xb6/0x140
[  514.166102]  __do_softirq+0x25c/0x921
[  514.169896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.175434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  514.180984]  irq_exit+0x180/0x1d0
[  514.184455]  smp_apic_timer_interrupt+0x13b/0x550
[  514.189307]  apic_timer_interrupt+0xf/0x20
[  514.193633]  </IRQ>
[  514.195874] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  514.200803] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  514.219855] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  514.227568] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  514.234842] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  514.242214] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  514.249491] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  514.256782] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  514.264083]  ? mark_held_locks+0xb1/0x100
[  514.268244]  ? __netdev_alloc_skb+0x370/0x470
[  514.272742]  __build_skb+0x3e/0x310
[  514.276491]  __netdev_alloc_skb+0x2ba/0x470
[  514.280812]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  514.285680]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  514.291080]  ? find_held_lock+0x35/0x130
[  514.295159]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  514.299597]  ? check_preemption_disabled+0x48/0x290
[  514.304626]  ? prandom_u32_state+0x13/0x180
[  514.308956]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  514.314173]  ? kmem_cache_alloc+0x32a/0x700
[  514.318493]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  514.323801]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  514.330150]  process_one_work+0x989/0x1750
[  514.334403]  ? pwq_dec_nr_in_flight+0x320/0x320
[  514.339064]  ? lock_acquire+0x16f/0x3f0
[  514.343047]  ? kasan_check_write+0x14/0x20
[  514.347419]  ? do_raw_spin_lock+0xd7/0x250
[  514.351683]  worker_thread+0x98/0xe40
[  514.355507]  kthread+0x354/0x420
[  514.358878]  ? process_one_work+0x1750/0x1750
[  514.363366]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  514.368915]  ret_from_fork+0x24/0x30
[  514.372662] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  514.372725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  514.380465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  514.380470] Call Trace:
[  514.380478]  <IRQ>
[  514.380496]  dump_stack+0x197/0x210
[  514.380515]  warn_alloc.cold+0x7b/0x173
[  514.380528]  ? zone_watermark_ok_safe+0x260/0x260
[  514.380545]  ? __cpuset_node_allowed+0x136/0x540
[  514.387140] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  514.396415]  ? __isolate_free_page+0x4c0/0x4c0
[  514.398971] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  514.401111]  ? wake_all_kswapds+0x14d/0x300
[  514.442510]  __alloc_pages_slowpath+0x2214/0x2870
[  514.447391]  ? warn_alloc+0x110/0x110
[  514.451205]  ? __lock_acquire+0x6ee/0x49c0
[  514.455458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  514.461093]  ? should_fail+0x14d/0x85c
[  514.464980]  ? __isolate_free_page+0x4c0/0x4c0
[  514.469577]  __alloc_pages_nodemask+0x617/0x750
[  514.474260]  ? __alloc_pages_slowpath+0x2870/0x2870
[  514.479311]  ? find_held_lock+0x35/0x130
[  514.483370]  cache_grow_begin+0x91/0x8c0
[  514.487425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.492971]  ? __cpuset_node_allowed+0x136/0x540
[  514.497724]  fallback_alloc+0x1fd/0x2d0
[  514.501716]  ____cache_alloc_node+0x1be/0x1e0
[  514.506218]  kmem_cache_alloc_node+0xe3/0x710
[  514.510705]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  514.514951]  __alloc_skb+0xd5/0x5f0
[  514.518713]  ? skb_trim+0x190/0x190
[  514.522342]  ? kasan_check_read+0x11/0x20
[  514.526552]  ndisc_alloc_skb+0x13c/0x340
[  514.530609]  ndisc_send_rs+0x35f/0x6e0
[  514.534496]  addrconf_rs_timer+0x30f/0x680
[  514.538729]  ? ipv6_get_lladdr+0x490/0x490
[  514.542981]  call_timer_fn+0x18d/0x720
[  514.546889]  ? ipv6_get_lladdr+0x490/0x490
[  514.551121]  ? process_timeout+0x40/0x40
[  514.555172]  ? run_timer_softirq+0x644/0x16a0
[  514.559673]  ? trace_hardirqs_on+0x67/0x220
[  514.563987]  ? ipv6_get_lladdr+0x490/0x490
[  514.568226]  run_timer_softirq+0x64f/0x16a0
[  514.572548]  ? add_timer+0xbe0/0xbe0
[  514.576278]  ? __lock_is_held+0xb6/0x140
[  514.580344]  __do_softirq+0x25c/0x921
[  514.584136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.589675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.595224]  irq_exit+0x180/0x1d0
[  514.598695]  smp_apic_timer_interrupt+0x13b/0x550
[  514.603546]  apic_timer_interrupt+0xf/0x20
[  514.607770]  </IRQ>
[  514.610004] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  514.614940] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  514.633844] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  514.641549] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  514.648815] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  514.656087] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  514.663457] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  514.670729] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  514.678041]  ? finish_task_switch+0x146/0x7c0
[  514.682545]  skb_clone+0x156/0x3e0
[  514.686088]  bpf_clone_redirect+0xb2/0x480
[  514.690433]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  514.695466]  ? mark_held_locks+0x100/0x100
[  514.699705]  ? __schedule+0x86e/0x1dc0
[  514.703703]  ? retint_kernel+0x2d/0x2d
[  514.707604]  ? firmware_map_remove+0x1a7/0x1a7
[  514.712546]  ? bpf_test_run+0x146/0x430
[  514.716530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.722150]  ? check_preemption_disabled+0x48/0x290
[  514.727165]  ? lock_acquire+0x16f/0x3f0
[  514.731161]  ? kasan_check_read+0x11/0x20
[  514.735301]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  514.740512]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  514.746044]  bpf_test_run+0x10d/0x430
[  514.749858]  bpf_prog_test_run_skb+0x64b/0xb20
[  514.754547]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  514.759498]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  514.764335]  bpf_prog_test_run+0x129/0x1a0
[  514.768579]  __x64_sys_bpf+0x397/0x4c0
[  514.772564]  ? bpf_prog_get+0x20/0x20
[  514.776376]  ? do_syscall_64+0x26/0x620
[  514.780355]  ? lockdep_hardirqs_on+0x415/0x5d0
[  514.784933]  ? trace_hardirqs_on+0x67/0x220
[  514.789262]  do_syscall_64+0xfd/0x620
[  514.793078]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  514.798258] RIP: 0033:0x45b349
[  514.801452] Code: Bad RIP value.
[  514.804805] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  514.812524] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  514.819897] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  514.827166] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  514.834430] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  514.841702] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  514.848989] warn_alloc_show_mem: 1 callbacks suppressed
[  514.848999] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  514.849001] Mem-Info:
[  514.849030] active_anon:162126 inactive_anon:206 isolated_anon:0
[  514.849030]  active_file:14 inactive_file:11 isolated_file:0
[  514.849030]  unevictable:0 dirty:0 writeback:0 unstable:0
[  514.849030]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  514.849030]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  514.849030]  free:10931 free_pcp:206 free_cma:0
[  514.854367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  514.861828] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  514.864247] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  514.897324] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  514.906647] Call Trace:
[  514.934339] 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
[  514.941445]  <IRQ>
[  514.967296] lowmem_reserve[]: 0 2545 2546 2546 2546
[  514.969890]  dump_stack+0x197/0x210
[  514.996854] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  514.999018]  warn_alloc.cold+0x7b/0x173
[  515.003998] lowmem_reserve[]: 0 0 1 1 1
[  515.007644]  ? zone_watermark_ok_safe+0x260/0x260
[  515.036428] 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
[  515.040411]  ? __cpuset_node_allowed+0x136/0x540
[  515.044349] lowmem_reserve[]: 0 0 0 0 0
[  515.049317]  ? __isolate_free_page+0x4c0/0x4c0
[  515.075328] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  515.080212]  ? wake_all_kswapds+0x14d/0x300
[  515.084157] lowmem_reserve[]: 0 0 0 0 0
[  515.088738]  __alloc_pages_slowpath+0x2214/0x2870
[  515.116487] 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
[  515.120848]  ? warn_alloc+0x110/0x110
[  515.124770] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  515.129626]  ? __lock_acquire+0x6ee/0x49c0
[  515.142100] 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
[  515.145929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  515.159278] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  515.163528]  ? should_fail+0x14d/0x85c
[  515.174173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  515.179728]  ? __isolate_free_page+0x4c0/0x4c0
[  515.195319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  515.199214]  __alloc_pages_nodemask+0x617/0x750
[  515.208026] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  515.208042] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  515.212640]  ? __alloc_pages_slowpath+0x2870/0x2870
[  515.221183] 281 total pagecache pages
[  515.225849]  ? find_held_lock+0x35/0x130
[  515.234760] 0 pages in swap cache
[  515.243339]  cache_grow_begin+0x91/0x8c0
[  515.248324] Swap cache stats: add 0, delete 0, find 0/0
[  515.252228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.256265] Free swap  = 0kB
[  515.259721]  ? __cpuset_node_allowed+0x136/0x540
[  515.263759] Total swap = 0kB
[  515.269126]  fallback_alloc+0x1fd/0x2d0
[  515.274642] 1965979 pages RAM
[  515.277652]  ____cache_alloc_node+0x1be/0x1e0
[  515.282379] 0 pages HighMem/MovableOnly
[  515.282389] 341724 pages reserved
[  515.285496]  kmem_cache_alloc_node+0xe3/0x710
[  515.289445] 0 pages cma reserved
[  515.289518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  515.292567]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  515.297156] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  515.301022]  __alloc_skb+0xd5/0x5f0
[  515.304451] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  515.309038]  ? skb_trim+0x190/0x190
[  515.346314]  ? kasan_check_read+0x11/0x20
[  515.350563]  ndisc_alloc_skb+0x13c/0x340
[  515.354620]  ndisc_send_rs+0x35f/0x6e0
[  515.359562]  addrconf_rs_timer+0x30f/0x680
[  515.363894]  ? ipv6_get_lladdr+0x490/0x490
[  515.368141]  call_timer_fn+0x18d/0x720
[  515.372024]  ? ipv6_get_lladdr+0x490/0x490
[  515.376249]  ? process_timeout+0x40/0x40
[  515.380310]  ? run_timer_softirq+0x644/0x16a0
[  515.384817]  ? trace_hardirqs_on+0x67/0x220
[  515.389255]  ? ipv6_get_lladdr+0x490/0x490
[  515.393495]  run_timer_softirq+0x64f/0x16a0
[  515.397826]  ? add_timer+0xbe0/0xbe0
[  515.401549]  ? __lock_is_held+0xb6/0x140
[  515.405618]  __do_softirq+0x25c/0x921
[  515.409413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.414955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  515.420497]  irq_exit+0x180/0x1d0
[  515.423975]  smp_apic_timer_interrupt+0x13b/0x550
[  515.428816]  apic_timer_interrupt+0xf/0x20
[  515.433036]  </IRQ>
[  515.435278] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  515.440201] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  515.459318] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  515.467036] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  515.474310] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  515.481583] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  515.488853] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  515.496231] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  515.503535]  ? mark_held_locks+0xb1/0x100
[  515.507689]  ? __netdev_alloc_skb+0x370/0x470
[  515.512197]  __build_skb+0x3e/0x310
[  515.515823]  __netdev_alloc_skb+0x2ba/0x470
[  515.520146]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  515.524992]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  515.530364]  ? find_held_lock+0x35/0x130
[  515.534433]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  515.538846]  ? check_preemption_disabled+0x48/0x290
[  515.543960]  ? prandom_u32_state+0x13/0x180
[  515.548302]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  515.553507]  ? kmem_cache_alloc+0x32a/0x700
[  515.557837]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  515.562779]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  515.569212]  process_one_work+0x989/0x1750
[  515.573462]  ? pwq_dec_nr_in_flight+0x320/0x320
[  515.578128]  ? lock_acquire+0x16f/0x3f0
[  515.582111]  ? kasan_check_write+0x14/0x20
[  515.586452]  ? do_raw_spin_lock+0xd7/0x250
[  515.590839]  worker_thread+0x98/0xe40
[  515.594669]  kthread+0x354/0x420
[  515.598047]  ? process_one_work+0x1750/0x1750
[  515.602538]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  515.608084]  ret_from_fork+0x24/0x30
[  515.611816] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  515.611876] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  515.619619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  515.619623] Call Trace:
[  515.619630]  <IRQ>
[  515.619648]  dump_stack+0x197/0x210
[  515.619668]  warn_alloc.cold+0x7b/0x173
[  515.619686]  ? zone_watermark_ok_safe+0x260/0x260
[  515.626246] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  515.635526]  ? __cpuset_node_allowed+0x136/0x540
[  515.638095] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  515.640254]  ? __isolate_free_page+0x4c0/0x4c0
[  515.677247]  ? wake_all_kswapds+0x14d/0x300
[  515.681590]  __alloc_pages_slowpath+0x2214/0x2870
[  515.686448]  ? warn_alloc+0x110/0x110
[  515.690264]  ? __lock_acquire+0x6ee/0x49c0
[  515.694519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  515.700064]  ? should_fail+0x14d/0x85c
[  515.703951]  ? __isolate_free_page+0x4c0/0x4c0
[  515.708548]  __alloc_pages_nodemask+0x617/0x750
[  515.713236]  ? __alloc_pages_slowpath+0x2870/0x2870
[  515.718256]  ? find_held_lock+0x35/0x130
[  515.722327]  cache_grow_begin+0x91/0x8c0
[  515.726412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.731957]  ? __cpuset_node_allowed+0x136/0x540
[  515.736719]  fallback_alloc+0x1fd/0x2d0
[  515.740809]  ____cache_alloc_node+0x1be/0x1e0
[  515.745304]  kmem_cache_alloc_node+0xe3/0x710
[  515.749793]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  515.754028]  __alloc_skb+0xd5/0x5f0
[  515.757788]  ? skb_trim+0x190/0x190
[  515.761408]  ? kasan_check_read+0x11/0x20
[  515.765665]  ndisc_alloc_skb+0x13c/0x340
[  515.769722]  ndisc_send_rs+0x35f/0x6e0
[  515.773613]  addrconf_rs_timer+0x30f/0x680
[  515.777854]  ? ipv6_get_lladdr+0x490/0x490
[  515.782099]  call_timer_fn+0x18d/0x720
[  515.785986]  ? ipv6_get_lladdr+0x490/0x490
[  515.790367]  ? process_timeout+0x40/0x40
[  515.794433]  ? run_timer_softirq+0x644/0x16a0
[  515.798931]  ? trace_hardirqs_on+0x67/0x220
[  515.803250]  ? ipv6_get_lladdr+0x490/0x490
[  515.807477]  run_timer_softirq+0x64f/0x16a0
[  515.811811]  ? add_timer+0xbe0/0xbe0
[  515.815541]  ? __lock_is_held+0xb6/0x140
[  515.819619]  __do_softirq+0x25c/0x921
[  515.823417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.829219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.834766]  irq_exit+0x180/0x1d0
[  515.838224]  smp_apic_timer_interrupt+0x13b/0x550
[  515.843073]  apic_timer_interrupt+0xf/0x20
[  515.847314]  </IRQ>
[  515.849554] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  515.854496] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  515.873400] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  515.881147] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  515.888433] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  515.895820] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  515.903166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  515.910434] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  515.917743]  ? finish_task_switch+0x146/0x7c0
[  515.922245]  skb_clone+0x156/0x3e0
[  515.925784]  bpf_clone_redirect+0xb2/0x480
[  515.930038]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  515.935061]  ? mark_held_locks+0x100/0x100
[  515.939303]  ? __schedule+0x86e/0x1dc0
[  515.943274]  ? retint_kernel+0x2d/0x2d
[  515.947177]  ? firmware_map_remove+0x1a7/0x1a7
[  515.951765]  ? bpf_test_run+0x146/0x430
[  515.955867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.961413]  ? check_preemption_disabled+0x48/0x290
[  515.966425]  ? lock_acquire+0x16f/0x3f0
[  515.970395]  ? kasan_check_read+0x11/0x20
[  515.974547]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  515.979761]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  515.985306]  bpf_test_run+0x10d/0x430
[  515.989128]  bpf_prog_test_run_skb+0x64b/0xb20
[  515.993727]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  515.998570]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  516.003510]  bpf_prog_test_run+0x129/0x1a0
[  516.007745]  __x64_sys_bpf+0x397/0x4c0
[  516.011627]  ? bpf_prog_get+0x20/0x20
[  516.015425]  ? do_syscall_64+0x26/0x620
[  516.019408]  ? lockdep_hardirqs_on+0x415/0x5d0
[  516.024001]  ? trace_hardirqs_on+0x67/0x220
[  516.028322]  do_syscall_64+0xfd/0x620
[  516.032185]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  516.037391] RIP: 0033:0x45b349
[  516.040588] Code: Bad RIP value.
[  516.043940] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  516.051646] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  516.059033] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  516.066308] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  516.073576] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  516.080850] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  516.088152] warn_alloc_show_mem: 1 callbacks suppressed
[  516.088163] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  516.088165] Mem-Info:
[  516.088196] active_anon:162126 inactive_anon:206 isolated_anon:0
[  516.088196]  active_file:14 inactive_file:11 isolated_file:0
[  516.088196]  unevictable:0 dirty:0 writeback:0 unstable:0
[  516.088196]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  516.088196]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  516.088196]  free:10931 free_pcp:206 free_cma:0
[  516.093545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  516.093571] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  516.101038] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  516.103444] Call Trace:
[  516.136606] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  516.145950]  <IRQ>
[  516.153036] 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
[  516.180648]  dump_stack+0x197/0x210
[  516.183208] lowmem_reserve[]: 0 2545 2546 2546 2546
[  516.208904]  warn_alloc.cold+0x7b/0x173
[  516.211044] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  516.237173]  ? zone_watermark_ok_safe+0x260/0x260
[  516.240788] lowmem_reserve[]: 0 0 1 1 1
[  516.245810]  ? __cpuset_node_allowed+0x136/0x540
[  516.249774] 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
[  516.278715]  ? __isolate_free_page+0x4c0/0x4c0
[  516.283554] lowmem_reserve[]: 0 0 0 0 0
[  516.287537]  ? wake_all_kswapds+0x14d/0x300
[  516.292274] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  516.318060]  __alloc_pages_slowpath+0x2214/0x2870
[  516.322627] lowmem_reserve[]: 0 0 0 0 0
[  516.326630]  ? warn_alloc+0x110/0x110
[  516.330909] 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
[  516.358615]  ? __lock_acquire+0x6ee/0x49c0
[  516.363442] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  516.367409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  516.371190] 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
[  516.383892]  ? should_fail+0x14d/0x85c
[  516.388094] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  516.401465]  ? __isolate_free_page+0x4c0/0x4c0
[  516.406993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  516.417667]  __alloc_pages_nodemask+0x617/0x750
[  516.421535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  516.437152]  ? __alloc_pages_slowpath+0x2870/0x2870
[  516.441715] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  516.450558]  ? find_held_lock+0x35/0x130
[  516.455201] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  516.455211] 281 total pagecache pages
[  516.463801]  cache_grow_begin+0x91/0x8c0
[  516.468797] 0 pages in swap cache
[  516.477641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.481680] Swap cache stats: add 0, delete 0, find 0/0
[  516.490359]  ? __cpuset_node_allowed+0x136/0x540
[  516.494147] Free swap  = 0kB
[  516.498216]  fallback_alloc+0x1fd/0x2d0
[  516.501640] Total swap = 0kB
[  516.507189]  ____cache_alloc_node+0x1be/0x1e0
[  516.512524] 1965979 pages RAM
[  516.517272]  kmem_cache_alloc_node+0xe3/0x710
[  516.520267] 0 pages HighMem/MovableOnly
[  516.520276] 341724 pages reserved
[  516.524262]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  516.527264] 0 pages cma reserved
[  516.527385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  516.531779]  __alloc_skb+0xd5/0x5f0
[  516.534996] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  516.539417]  ? skb_trim+0x190/0x190
[  516.543372] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  516.546820]  ? kasan_check_read+0x11/0x20
[  516.588204]  ndisc_alloc_skb+0x13c/0x340
[  516.592280]  ndisc_send_rs+0x35f/0x6e0
[  516.596183]  addrconf_rs_timer+0x30f/0x680
[  516.600413]  ? ipv6_get_lladdr+0x490/0x490
[  516.604660]  call_timer_fn+0x18d/0x720
[  516.608550]  ? ipv6_get_lladdr+0x490/0x490
[  516.612793]  ? process_timeout+0x40/0x40
[  516.616855]  ? run_timer_softirq+0x644/0x16a0
[  516.621355]  ? trace_hardirqs_on+0x67/0x220
[  516.625673]  ? ipv6_get_lladdr+0x490/0x490
[  516.629913]  run_timer_softirq+0x64f/0x16a0
[  516.634248]  ? add_timer+0xbe0/0xbe0
[  516.637958]  ? __lock_is_held+0xb6/0x140
[  516.642033]  __do_softirq+0x25c/0x921
[  516.645828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.651368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  516.656912]  irq_exit+0x180/0x1d0
[  516.660379]  smp_apic_timer_interrupt+0x13b/0x550
[  516.665222]  apic_timer_interrupt+0xf/0x20
[  516.669444]  </IRQ>
[  516.671675] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  516.676609] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  516.695757] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  516.703484] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  516.710855] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  516.718133] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  516.725407] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  516.732681] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  516.740070]  ? mark_held_locks+0xb1/0x100
[  516.744218]  ? __netdev_alloc_skb+0x370/0x470
[  516.748728]  __build_skb+0x3e/0x310
[  516.752360]  __netdev_alloc_skb+0x2ba/0x470
[  516.756679]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  516.761549]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  516.766921]  ? find_held_lock+0x35/0x130
[  516.771007]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  516.775412]  ? check_preemption_disabled+0x48/0x290
[  516.780435]  ? prandom_u32_state+0x13/0x180
[  516.784805]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  516.790013]  ? kmem_cache_alloc+0x32a/0x700
[  516.794350]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  516.799294]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  516.805624]  process_one_work+0x989/0x1750
[  516.809859]  ? pwq_dec_nr_in_flight+0x320/0x320
[  516.814539]  ? lock_acquire+0x16f/0x3f0
[  516.818530]  ? kasan_check_write+0x14/0x20
[  516.822769]  ? do_raw_spin_lock+0xd7/0x250
[  516.827003]  worker_thread+0x98/0xe40
[  516.830924]  kthread+0x354/0x420
[  516.834296]  ? process_one_work+0x1750/0x1750
[  516.838792]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  516.844340]  ret_from_fork+0x24/0x30
[  516.848068] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  516.848130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  516.855864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  516.855869] Call Trace:
[  516.855875]  <IRQ>
[  516.855892]  dump_stack+0x197/0x210
[  516.855914]  warn_alloc.cold+0x7b/0x173
[  516.862442] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  516.871759]  ? zone_watermark_ok_safe+0x260/0x260
[  516.874319] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  516.876463]  ? __cpuset_node_allowed+0x136/0x540
[  516.908934]  ? __isolate_free_page+0x4c0/0x4c0
[  516.913511]  ? wake_all_kswapds+0x14d/0x300
[  516.917833]  __alloc_pages_slowpath+0x2214/0x2870
[  516.922685]  ? warn_alloc+0x110/0x110
[  516.926496]  ? __lock_acquire+0x6ee/0x49c0
[  516.930725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  516.936254]  ? should_fail+0x14d/0x85c
[  516.940147]  ? __isolate_free_page+0x4c0/0x4c0
[  516.944732]  __alloc_pages_nodemask+0x617/0x750
[  516.949415]  ? __alloc_pages_slowpath+0x2870/0x2870
[  516.954456]  ? find_held_lock+0x35/0x130
[  516.958514]  cache_grow_begin+0x91/0x8c0
[  516.962582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.968127]  ? __cpuset_node_allowed+0x136/0x540
[  516.972889]  fallback_alloc+0x1fd/0x2d0
[  516.976878]  ____cache_alloc_node+0x1be/0x1e0
[  516.981380]  kmem_cache_alloc_node+0xe3/0x710
[  516.985886]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  516.990126]  __alloc_skb+0xd5/0x5f0
[  516.993744]  ? skb_trim+0x190/0x190
[  516.997367]  ? kasan_check_read+0x11/0x20
[  517.001534]  ndisc_alloc_skb+0x13c/0x340
[  517.005780]  ndisc_send_rs+0x35f/0x6e0
[  517.009680]  addrconf_rs_timer+0x30f/0x680
[  517.013968]  ? ipv6_get_lladdr+0x490/0x490
[  517.018206]  call_timer_fn+0x18d/0x720
[  517.022098]  ? ipv6_get_lladdr+0x490/0x490
[  517.026332]  ? process_timeout+0x40/0x40
[  517.030401]  ? run_timer_softirq+0x644/0x16a0
[  517.034910]  ? trace_hardirqs_on+0x67/0x220
[  517.039255]  ? ipv6_get_lladdr+0x490/0x490
[  517.043503]  run_timer_softirq+0x64f/0x16a0
[  517.047823]  ? add_timer+0xbe0/0xbe0
[  517.051532]  ? __lock_is_held+0xb6/0x140
[  517.055614]  __do_softirq+0x25c/0x921
[  517.059431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.064967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.070513]  irq_exit+0x180/0x1d0
[  517.073967]  smp_apic_timer_interrupt+0x13b/0x550
[  517.078802]  apic_timer_interrupt+0xf/0x20
[  517.083034]  </IRQ>
[  517.085265] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  517.090191] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  517.109235] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  517.116959] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  517.124229] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  517.131507] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  517.138788] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  517.146078] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  517.153393]  ? finish_task_switch+0x146/0x7c0
[  517.157897]  skb_clone+0x156/0x3e0
[  517.161448]  bpf_clone_redirect+0xb2/0x480
[  517.165692]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  517.170723]  ? mark_held_locks+0x100/0x100
[  517.174968]  ? __schedule+0x86e/0x1dc0
[  517.178899]  ? retint_kernel+0x2d/0x2d
[  517.182882]  ? firmware_map_remove+0x1a7/0x1a7
[  517.187482]  ? bpf_test_run+0x146/0x430
[  517.191457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.196994]  ? check_preemption_disabled+0x48/0x290
[  517.202009]  ? lock_acquire+0x16f/0x3f0
[  517.205986]  ? kasan_check_read+0x11/0x20
[  517.210146]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  517.215344]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  517.220888]  bpf_test_run+0x10d/0x430
[  517.224707]  bpf_prog_test_run_skb+0x64b/0xb20
[  517.229299]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  517.234157]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  517.239018]  bpf_prog_test_run+0x129/0x1a0
[  517.243256]  __x64_sys_bpf+0x397/0x4c0
[  517.247153]  ? bpf_prog_get+0x20/0x20
[  517.250965]  ? do_syscall_64+0x26/0x620
[  517.254944]  ? lockdep_hardirqs_on+0x415/0x5d0
[  517.259534]  ? trace_hardirqs_on+0x67/0x220
[  517.263861]  do_syscall_64+0xfd/0x620
[  517.267679]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  517.272867] RIP: 0033:0x45b349
[  517.276070] Code: Bad RIP value.
[  517.279432] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  517.288094] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  517.295364] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  517.302634] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  517.309905] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  517.317174] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  517.324567] warn_alloc_show_mem: 1 callbacks suppressed
[  517.324578] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  517.324584] Mem-Info:
[  517.324614] active_anon:162126 inactive_anon:206 isolated_anon:0
[  517.324614]  active_file:14 inactive_file:11 isolated_file:0
[  517.324614]  unevictable:0 dirty:0 writeback:0 unstable:0
[  517.324614]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  517.324614]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  517.324614]  free:10931 free_pcp:206 free_cma:0
[  517.330057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  517.337435] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  517.339842] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  517.372909] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  517.382371] Call Trace:
[  517.410057] 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
[  517.417164]  <IRQ>
[  517.442919] lowmem_reserve[]: 0 2545 2546 2546 2546
[  517.445525]  dump_stack+0x197/0x210
[  517.471738] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  517.473901]  warn_alloc.cold+0x7b/0x173
[  517.478880] lowmem_reserve[]: 0 0 1 1 1
[  517.482522]  ? zone_watermark_ok_safe+0x260/0x260
[  517.511429] 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
[  517.515410]  ? __cpuset_node_allowed+0x136/0x540
[  517.519439] lowmem_reserve[]: 0 0 0 0 0
[  517.524316]  ? __isolate_free_page+0x4c0/0x4c0
[  517.524334]  ? wake_all_kswapds+0x14d/0x300
[  517.550094] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  517.554873]  __alloc_pages_slowpath+0x2214/0x2870
[  517.558830] lowmem_reserve[]: 0 0 0 0 0
[  517.563451]  ? warn_alloc+0x110/0x110
[  517.567731] 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
[  517.595263]  ? __lock_acquire+0x6ee/0x49c0
[  517.600089] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  517.604223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  517.608003] 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
[  517.620646]  ? should_fail+0x14d/0x85c
[  517.624867] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  517.638237]  ? __isolate_free_page+0x4c0/0x4c0
[  517.643771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  517.654446]  __alloc_pages_nodemask+0x617/0x750
[  517.658356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  517.658371] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  517.673994]  ? __alloc_pages_slowpath+0x2870/0x2870
[  517.678564] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  517.678574] 281 total pagecache pages
[  517.687456]  ? find_held_lock+0x35/0x130
[  517.692116] 0 pages in swap cache
[  517.700702]  cache_grow_begin+0x91/0x8c0
[  517.709514] Swap cache stats: add 0, delete 0, find 0/0
[  517.714549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.723107] Free swap  = 0kB
[  517.726949]  ? __cpuset_node_allowed+0x136/0x540
[  517.730986] Total swap = 0kB
[  517.730995] 1965979 pages RAM
[  517.734467]  fallback_alloc+0x1fd/0x2d0
[  517.738498] 0 pages HighMem/MovableOnly
[  517.738507] 341724 pages reserved
[  517.743879]  ____cache_alloc_node+0x1be/0x1e0
[  517.749382] 0 pages cma reserved
[  517.749456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  517.752421]  kmem_cache_alloc_node+0xe3/0x710
[  517.757378] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  517.760288]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  517.763380] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  517.767363]  __alloc_skb+0xd5/0x5f0
[  517.817395]  ? skb_trim+0x190/0x190
[  517.821027]  ? kasan_check_read+0x11/0x20
[  517.825196]  ndisc_alloc_skb+0x13c/0x340
[  517.829254]  ndisc_send_rs+0x35f/0x6e0
[  517.833158]  addrconf_rs_timer+0x30f/0x680
[  517.837406]  ? ipv6_get_lladdr+0x490/0x490
[  517.841658]  call_timer_fn+0x18d/0x720
[  517.845558]  ? ipv6_get_lladdr+0x490/0x490
[  517.849803]  ? process_timeout+0x40/0x40
[  517.854021]  ? run_timer_softirq+0x644/0x16a0
[  517.858530]  ? trace_hardirqs_on+0x67/0x220
[  517.862874]  ? ipv6_get_lladdr+0x490/0x490
[  517.867114]  run_timer_softirq+0x64f/0x16a0
[  517.871447]  ? add_timer+0xbe0/0xbe0
[  517.875171]  ? __lock_is_held+0xb6/0x140
[  517.879248]  __do_softirq+0x25c/0x921
[  517.883050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.888592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  517.894248]  irq_exit+0x180/0x1d0
[  517.897700]  smp_apic_timer_interrupt+0x13b/0x550
[  517.902552]  apic_timer_interrupt+0xf/0x20
[  517.906790]  </IRQ>
[  517.909024] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  517.913964] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  517.932872] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  517.940572] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  517.947837] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  517.955216] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  517.962601] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  517.969981] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  517.977283]  ? mark_held_locks+0xb1/0x100
[  517.981546]  ? __netdev_alloc_skb+0x370/0x470
[  517.986041]  __build_skb+0x3e/0x310
[  517.989670]  __netdev_alloc_skb+0x2ba/0x470
[  517.994063]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  517.998919]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  518.004292]  ? find_held_lock+0x35/0x130
[  518.008386]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  518.012789]  ? check_preemption_disabled+0x48/0x290
[  518.017804]  ? prandom_u32_state+0x13/0x180
[  518.022146]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  518.027348]  ? kmem_cache_alloc+0x32a/0x700
[  518.031682]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  518.036630]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  518.042970]  process_one_work+0x989/0x1750
[  518.047211]  ? pwq_dec_nr_in_flight+0x320/0x320
[  518.051884]  ? lock_acquire+0x16f/0x3f0
[  518.055861]  ? kasan_check_write+0x14/0x20
[  518.060088]  ? do_raw_spin_lock+0xd7/0x250
[  518.064483]  worker_thread+0x98/0xe40
[  518.068314]  kthread+0x354/0x420
[  518.071678]  ? process_one_work+0x1750/0x1750
[  518.076180]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  518.081724]  ret_from_fork+0x24/0x30
[  518.085466] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  518.085530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  518.093276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  518.093286] Call Trace:
[  518.099884] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  518.109215]  <IRQ>
[  518.111784] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  518.122193]  dump_stack+0x197/0x210
[  518.132852]  warn_alloc.cold+0x7b/0x173
[  518.136843]  ? zone_watermark_ok_safe+0x260/0x260
[  518.141693]  ? __cpuset_node_allowed+0x136/0x540
[  518.146453]  ? __isolate_free_page+0x4c0/0x4c0
[  518.151032]  ? wake_all_kswapds+0x14d/0x300
[  518.155371]  __alloc_pages_slowpath+0x2214/0x2870
[  518.160239]  ? warn_alloc+0x110/0x110
[  518.164063]  ? __lock_acquire+0x6ee/0x49c0
[  518.168307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  518.173966]  ? should_fail+0x14d/0x85c
[  518.177865]  ? __isolate_free_page+0x4c0/0x4c0
[  518.182469]  __alloc_pages_nodemask+0x617/0x750
[  518.187153]  ? __alloc_pages_slowpath+0x2870/0x2870
[  518.192186]  ? find_held_lock+0x35/0x130
[  518.196255]  cache_grow_begin+0x91/0x8c0
[  518.200335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.205890]  ? __cpuset_node_allowed+0x136/0x540
[  518.210642]  fallback_alloc+0x1fd/0x2d0
[  518.214628]  ____cache_alloc_node+0x1be/0x1e0
[  518.219124]  kmem_cache_alloc_node+0xe3/0x710
[  518.223621]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  518.227857]  __alloc_skb+0xd5/0x5f0
[  518.231509]  ? skb_trim+0x190/0x190
[  518.235135]  ? kasan_check_read+0x11/0x20
[  518.239292]  ndisc_alloc_skb+0x13c/0x340
[  518.243362]  ndisc_send_rs+0x35f/0x6e0
[  518.247247]  addrconf_rs_timer+0x30f/0x680
[  518.251478]  ? ipv6_get_lladdr+0x490/0x490
[  518.255826]  call_timer_fn+0x18d/0x720
[  518.259724]  ? ipv6_get_lladdr+0x490/0x490
[  518.264024]  ? process_timeout+0x40/0x40
[  518.268078]  ? run_timer_softirq+0x644/0x16a0
[  518.272582]  ? trace_hardirqs_on+0x67/0x220
[  518.276910]  ? ipv6_get_lladdr+0x490/0x490
[  518.281152]  run_timer_softirq+0x64f/0x16a0
[  518.285475]  ? add_timer+0xbe0/0xbe0
[  518.289182]  ? __lock_is_held+0xb6/0x140
[  518.293262]  __do_softirq+0x25c/0x921
[  518.297059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.302607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.308160]  irq_exit+0x180/0x1d0
[  518.311615]  smp_apic_timer_interrupt+0x13b/0x550
[  518.316571]  apic_timer_interrupt+0xf/0x20
[  518.320792]  </IRQ>
[  518.323039] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  518.327968] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  518.346867] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  518.354569] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  518.361845] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  518.369117] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  518.376402] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  518.383677] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  518.390982]  ? finish_task_switch+0x146/0x7c0
[  518.395598]  skb_clone+0x156/0x3e0
[  518.399139]  bpf_clone_redirect+0xb2/0x480
[  518.403384]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  518.408421]  ? mark_held_locks+0x100/0x100
[  518.412666]  ? __schedule+0x86e/0x1dc0
[  518.416546]  ? retint_kernel+0x2d/0x2d
[  518.420437]  ? firmware_map_remove+0x1a7/0x1a7
[  518.425043]  ? bpf_test_run+0x146/0x430
[  518.429019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.434560]  ? check_preemption_disabled+0x48/0x290
[  518.439573]  ? lock_acquire+0x16f/0x3f0
[  518.443561]  ? kasan_check_read+0x11/0x20
[  518.447725]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  518.453004]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  518.458551]  bpf_test_run+0x10d/0x430
[  518.462390]  bpf_prog_test_run_skb+0x64b/0xb20
[  518.466990]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  518.471833]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  518.476684]  bpf_prog_test_run+0x129/0x1a0
[  518.481004]  __x64_sys_bpf+0x397/0x4c0
[  518.485021]  ? bpf_prog_get+0x20/0x20
[  518.488835]  ? do_syscall_64+0x26/0x620
[  518.492810]  ? lockdep_hardirqs_on+0x415/0x5d0
[  518.497389]  ? trace_hardirqs_on+0x67/0x220
[  518.501869]  do_syscall_64+0xfd/0x620
[  518.505674]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  518.510867] RIP: 0033:0x45b349
[  518.514071] Code: Bad RIP value.
[  518.517428] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  518.525133] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  518.532403] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  518.539793] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  518.547061] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  518.554514] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  518.561998] warn_alloc_show_mem: 1 callbacks suppressed
[  518.562008] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  518.562010] Mem-Info:
[  518.562041] active_anon:162126 inactive_anon:206 isolated_anon:0
[  518.562041]  active_file:14 inactive_file:11 isolated_file:0
[  518.562041]  unevictable:0 dirty:0 writeback:0 unstable:0
[  518.562041]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  518.562041]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  518.562041]  free:10931 free_pcp:206 free_cma:0
[  518.567380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  518.567406] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  518.574880] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  518.577698] Call Trace:
[  518.610775] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  518.620119]  <IRQ>
[  518.627223] 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
[  518.655535]  dump_stack+0x197/0x210
[  518.658231] lowmem_reserve[]: 0 2545 2546 2546 2546
[  518.683994]  warn_alloc.cold+0x7b/0x173
[  518.686212] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  518.712484]  ? zone_watermark_ok_safe+0x260/0x260
[  518.716090] lowmem_reserve[]: 0 0 1 1 1
[  518.721237]  ? __cpuset_node_allowed+0x136/0x540
[  518.725201] 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
[  518.754310]  ? __isolate_free_page+0x4c0/0x4c0
[  518.759138] lowmem_reserve[]: 0 0 0 0 0
[  518.763137]  ? wake_all_kswapds+0x14d/0x300
[  518.767880] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  518.793891]  __alloc_pages_slowpath+0x2214/0x2870
[  518.798471] lowmem_reserve[]: 0 0 0 0 0
[  518.803188]  ? warn_alloc+0x110/0x110
[  518.807499] 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
[  518.835193]  ? __lock_acquire+0x6ee/0x49c0
[  518.840430] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  518.844702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  518.848743] 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
[  518.862498]  ? should_fail+0x14d/0x85c
[  518.866759] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  518.880648]  ? __isolate_free_page+0x4c0/0x4c0
[  518.886724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  518.898136]  __alloc_pages_nodemask+0x617/0x750
[  518.902096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  518.918254]  ? __alloc_pages_slowpath+0x2870/0x2870
[  518.922841] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  518.931773]  ? find_held_lock+0x35/0x130
[  518.936453] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  518.945074]  cache_grow_begin+0x91/0x8c0
[  518.950359] 281 total pagecache pages
[  518.959377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.963421] 0 pages in swap cache
[  518.972111]  ? __cpuset_node_allowed+0x136/0x540
[  518.976150] Swap cache stats: add 0, delete 0, find 0/0
[  518.979940]  fallback_alloc+0x1fd/0x2d0
[  518.985481] Free swap  = 0kB
[  518.985500] Total swap = 0kB
[  518.989006]  ____cache_alloc_node+0x1be/0x1e0
[  518.993864] 1965979 pages RAM
[  518.999246]  kmem_cache_alloc_node+0xe3/0x710
[  519.003209] 0 pages HighMem/MovableOnly
[  519.003218] 341724 pages reserved
[  519.006238]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  519.009311] 0 pages cma reserved
[  519.009381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  519.013835]  __alloc_skb+0xd5/0x5f0
[  519.013851]  ? skb_trim+0x190/0x190
[  519.013864]  ? kasan_check_read+0x11/0x20
[  519.013887]  ndisc_alloc_skb+0x13c/0x340
[  519.017185] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  519.022426]  ndisc_send_rs+0x35f/0x6e0
[  519.026468] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  519.029957]  addrconf_rs_timer+0x30f/0x680
[  519.083729]  ? ipv6_get_lladdr+0x490/0x490
[  519.088185]  call_timer_fn+0x18d/0x720
[  519.092117]  ? ipv6_get_lladdr+0x490/0x490
[  519.096352]  ? process_timeout+0x40/0x40
[  519.100513]  ? run_timer_softirq+0x644/0x16a0
[  519.105015]  ? trace_hardirqs_on+0x67/0x220
[  519.109353]  ? ipv6_get_lladdr+0x490/0x490
[  519.113956]  run_timer_softirq+0x64f/0x16a0
[  519.118493]  ? add_timer+0xbe0/0xbe0
[  519.122228]  ? __lock_is_held+0xb6/0x140
[  519.126306]  __do_softirq+0x25c/0x921
[  519.130205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.135743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  519.142683]  irq_exit+0x180/0x1d0
[  519.146155]  smp_apic_timer_interrupt+0x13b/0x550
[  519.151095]  apic_timer_interrupt+0xf/0x20
[  519.155861]  </IRQ>
[  519.158111] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  519.163034] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  519.181936] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  519.189911] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  519.197182] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  519.204446] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  519.211716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  519.218988] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  519.226286]  ? mark_held_locks+0xb1/0x100
[  519.230447]  ? __netdev_alloc_skb+0x370/0x470
[  519.234957]  __build_skb+0x3e/0x310
[  519.238590]  __netdev_alloc_skb+0x2ba/0x470
[  519.242937]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  519.247807]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  519.253182]  ? find_held_lock+0x35/0x130
[  519.257268]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  519.261684]  ? check_preemption_disabled+0x48/0x290
[  519.266814]  ? prandom_u32_state+0x13/0x180
[  519.271137]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  519.276352]  ? kmem_cache_alloc+0x32a/0x700
[  519.280691]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  519.285659]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  519.291980]  process_one_work+0x989/0x1750
[  519.296234]  ? pwq_dec_nr_in_flight+0x320/0x320
[  519.300897]  ? lock_acquire+0x16f/0x3f0
[  519.304887]  ? kasan_check_write+0x14/0x20
[  519.309127]  ? do_raw_spin_lock+0xd7/0x250
[  519.313364]  worker_thread+0x98/0xe40
[  519.317204]  kthread+0x354/0x420
[  519.320600]  ? process_one_work+0x1750/0x1750
[  519.325091]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  519.330636]  ret_from_fork+0x24/0x30
[  519.334358] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  519.334418] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  519.342256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  519.342265] Call Trace:
[  519.349008] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  519.358181]  <IRQ>
[  519.360774] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  519.371196]  dump_stack+0x197/0x210
[  519.381908]  warn_alloc.cold+0x7b/0x173
[  519.385891]  ? zone_watermark_ok_safe+0x260/0x260
[  519.390729]  ? __cpuset_node_allowed+0x136/0x540
[  519.395505]  ? __isolate_free_page+0x4c0/0x4c0
[  519.400085]  ? wake_all_kswapds+0x14d/0x300
[  519.404409]  __alloc_pages_slowpath+0x2214/0x2870
[  519.409282]  ? warn_alloc+0x110/0x110
[  519.413082]  ? __lock_acquire+0x6ee/0x49c0
[  519.417335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  519.422876]  ? should_fail+0x14d/0x85c
[  519.426763]  ? __isolate_free_page+0x4c0/0x4c0
[  519.431350]  __alloc_pages_nodemask+0x617/0x750
[  519.436037]  ? __alloc_pages_slowpath+0x2870/0x2870
[  519.441076]  ? find_held_lock+0x35/0x130
[  519.445148]  cache_grow_begin+0x91/0x8c0
[  519.449207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.454739]  ? __cpuset_node_allowed+0x136/0x540
[  519.459506]  fallback_alloc+0x1fd/0x2d0
[  519.463484]  ____cache_alloc_node+0x1be/0x1e0
[  519.467985]  kmem_cache_alloc_node+0xe3/0x710
[  519.472645]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  519.476882]  __alloc_skb+0xd5/0x5f0
[  519.480521]  ? skb_trim+0x190/0x190
[  519.484255]  ? kasan_check_read+0x11/0x20
[  519.488410]  ndisc_alloc_skb+0x13c/0x340
[  519.492484]  ndisc_send_rs+0x35f/0x6e0
[  519.496375]  addrconf_rs_timer+0x30f/0x680
[  519.500613]  ? ipv6_get_lladdr+0x490/0x490
[  519.504861]  call_timer_fn+0x18d/0x720
[  519.508759]  ? ipv6_get_lladdr+0x490/0x490
[  519.513000]  ? process_timeout+0x40/0x40
[  519.517053]  ? run_timer_softirq+0x644/0x16a0
[  519.521661]  ? trace_hardirqs_on+0x67/0x220
[  519.525985]  ? ipv6_get_lladdr+0x490/0x490
[  519.530214]  run_timer_softirq+0x64f/0x16a0
[  519.534539]  ? add_timer+0xbe0/0xbe0
[  519.538370]  ? __lock_is_held+0xb6/0x140
[  519.542439]  __do_softirq+0x25c/0x921
[  519.546250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.551795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.557343]  irq_exit+0x180/0x1d0
[  519.560833]  smp_apic_timer_interrupt+0x13b/0x550
[  519.565680]  apic_timer_interrupt+0xf/0x20
[  519.569941]  </IRQ>
[  519.572289] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  519.577216] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  519.596319] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  519.604143] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  519.611412] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  519.618681] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  519.625947] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  519.633227] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  519.640536]  ? finish_task_switch+0x146/0x7c0
[  519.645042]  skb_clone+0x156/0x3e0
[  519.648578]  bpf_clone_redirect+0xb2/0x480
[  519.652838]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  519.657860]  ? mark_held_locks+0x100/0x100
[  519.662216]  ? __schedule+0x86e/0x1dc0
[  519.666096]  ? retint_kernel+0x2d/0x2d
[  519.670000]  ? firmware_map_remove+0x1a7/0x1a7
[  519.674593]  ? bpf_test_run+0x146/0x430
[  519.678579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.684110]  ? check_preemption_disabled+0x48/0x290
[  519.689154]  ? lock_acquire+0x16f/0x3f0
[  519.693145]  ? kasan_check_read+0x11/0x20
[  519.697293]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  519.702506]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  519.708055]  bpf_test_run+0x10d/0x430
[  519.711893]  bpf_prog_test_run_skb+0x64b/0xb20
[  519.716489]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  519.721373]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  519.726231]  bpf_prog_test_run+0x129/0x1a0
[  519.730470]  __x64_sys_bpf+0x397/0x4c0
[  519.734373]  ? bpf_prog_get+0x20/0x20
[  519.738191]  ? do_syscall_64+0x26/0x620
[  519.742291]  ? lockdep_hardirqs_on+0x415/0x5d0
[  519.746893]  ? trace_hardirqs_on+0x67/0x220
[  519.751226]  do_syscall_64+0xfd/0x620
[  519.755043]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  519.760250] RIP: 0033:0x45b349
[  519.763459] Code: Bad RIP value.
[  519.766815] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  519.774628] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  519.782253] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  519.789530] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  519.796817] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  519.804091] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  519.811387] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  519.811393] warn_alloc_show_mem: 1 callbacks suppressed
[  519.811401] Mem-Info:
[  519.818836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  519.818863] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  519.824229] active_anon:162126 inactive_anon:206 isolated_anon:0
[  519.824229]  active_file:14 inactive_file:11 isolated_file:0
[  519.824229]  unevictable:0 dirty:0 writeback:0 unstable:0
[  519.824229]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  519.824229]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  519.824229]  free:10931 free_pcp:206 free_cma:0
[  519.826611] Call Trace:
[  519.835992] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  519.843085]  <IRQ>
[  519.876275] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  519.878873]  dump_stack+0x197/0x210
[  519.906445] 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
[  519.908610]  warn_alloc.cold+0x7b/0x173
[  519.934352] lowmem_reserve[]: 0 2545 2546 2546 2546
[  519.938011]  ? zone_watermark_ok_safe+0x260/0x260
[  519.964093] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  519.968228]  ? __cpuset_node_allowed+0x136/0x540
[  519.973242] lowmem_reserve[]: 0 0 1 1 1
[  519.978113]  ? __isolate_free_page+0x4c0/0x4c0
[  519.978127]  ? wake_all_kswapds+0x14d/0x300
[  519.978148]  __alloc_pages_slowpath+0x2214/0x2870
[  520.007076] 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
[  520.011882]  ? warn_alloc+0x110/0x110
[  520.015822] lowmem_reserve[]: 0 0 0 0 0
[  520.020413]  ? __lock_acquire+0x6ee/0x49c0
[  520.024727] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  520.029580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  520.055331] lowmem_reserve[]: 0 0 0 0 0
[  520.059150]  ? should_fail+0x14d/0x85c
[  520.063098] 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
[  520.067355]  ? __isolate_free_page+0x4c0/0x4c0
[  520.095036] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  520.100603]  __alloc_pages_nodemask+0x617/0x750
[  520.104552] 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
[  520.108457]  ? __alloc_pages_slowpath+0x2870/0x2870
[  520.120928] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  520.125597]  ? find_held_lock+0x35/0x130
[  520.138939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  520.143641]  cache_grow_begin+0x91/0x8c0
[  520.154285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  520.154300] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  520.159447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.175178] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  520.175188] 281 total pagecache pages
[  520.179251]  ? __cpuset_node_allowed+0x136/0x540
[  520.188204] 0 pages in swap cache
[  520.192293]  fallback_alloc+0x1fd/0x2d0
[  520.200842] Swap cache stats: add 0, delete 0, find 0/0
[  520.200853] Free swap  = 0kB
[  520.209707]  ____cache_alloc_node+0x1be/0x1e0
[  520.215323] Total swap = 0kB
[  520.215333] 1965979 pages RAM
[  520.223935]  kmem_cache_alloc_node+0xe3/0x710
[  520.227704] 0 pages HighMem/MovableOnly
[  520.232550]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  520.235988] 341724 pages reserved
[  520.239986]  __alloc_skb+0xd5/0x5f0
[  520.245317] 0 pages cma reserved
[  520.245387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  520.248363]  ? skb_trim+0x190/0x190
[  520.252893] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  520.255845]  ? kasan_check_read+0x11/0x20
[  520.258952] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  520.263455]  ndisc_alloc_skb+0x13c/0x340
[  520.316659]  ndisc_send_rs+0x35f/0x6e0
[  520.320564]  addrconf_rs_timer+0x30f/0x680
[  520.324796]  ? ipv6_get_lladdr+0x490/0x490
[  520.329034]  call_timer_fn+0x18d/0x720
[  520.332934]  ? ipv6_get_lladdr+0x490/0x490
[  520.337188]  ? process_timeout+0x40/0x40
[  520.341244]  ? run_timer_softirq+0x644/0x16a0
[  520.345751]  ? trace_hardirqs_on+0x67/0x220
[  520.350079]  ? ipv6_get_lladdr+0x490/0x490
[  520.354313]  run_timer_softirq+0x64f/0x16a0
[  520.358674]  ? add_timer+0xbe0/0xbe0
[  520.362427]  ? __lock_is_held+0xb6/0x140
[  520.366601]  __do_softirq+0x25c/0x921
[  520.370410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.375958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  520.381507]  irq_exit+0x180/0x1d0
[  520.384968]  smp_apic_timer_interrupt+0x13b/0x550
[  520.389995]  apic_timer_interrupt+0xf/0x20
[  520.394229]  </IRQ>
[  520.396476] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  520.401401] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  520.420304] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  520.428058] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  520.435332] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  520.442595] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  520.449864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  520.457434] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  520.464747]  ? mark_held_locks+0xb1/0x100
[  520.468907]  ? __netdev_alloc_skb+0x370/0x470
[  520.473400]  __build_skb+0x3e/0x310
[  520.477048]  __netdev_alloc_skb+0x2ba/0x470
[  520.481374]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  520.486227]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  520.491599]  ? find_held_lock+0x35/0x130
[  520.495665]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  520.500076]  ? check_preemption_disabled+0x48/0x290
[  520.505106]  ? prandom_u32_state+0x13/0x180
[  520.509443]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  520.514668]  ? kmem_cache_alloc+0x32a/0x700
[  520.519091]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  520.524028]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  520.530369]  process_one_work+0x989/0x1750
[  520.534615]  ? pwq_dec_nr_in_flight+0x320/0x320
[  520.539288]  ? lock_acquire+0x16f/0x3f0
[  520.543269]  ? kasan_check_write+0x14/0x20
[  520.547504]  ? do_raw_spin_lock+0xd7/0x250
[  520.551761]  worker_thread+0x98/0xe40
[  520.555572]  kthread+0x354/0x420
[  520.558953]  ? process_one_work+0x1750/0x1750
[  520.563566]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  520.569121]  ret_from_fork+0x24/0x30
[  520.573033] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  520.573091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  520.581555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  520.581565] Call Trace:
[  520.581572]  <IRQ>
[  520.581592]  dump_stack+0x197/0x210
[  520.581612]  warn_alloc.cold+0x7b/0x173
[  520.581630]  ? zone_watermark_ok_safe+0x260/0x260
[  520.588229] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  520.597591]  ? __cpuset_node_allowed+0x136/0x540
[  520.600162] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  520.602330]  ? __isolate_free_page+0x4c0/0x4c0
[  520.639589]  ? wake_all_kswapds+0x14d/0x300
[  520.644015]  __alloc_pages_slowpath+0x2214/0x2870
[  520.648962]  ? warn_alloc+0x110/0x110
[  520.652770]  ? __lock_acquire+0x6ee/0x49c0
[  520.657003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  520.662541]  ? should_fail+0x14d/0x85c
[  520.666439]  ? __isolate_free_page+0x4c0/0x4c0
[  520.671089]  __alloc_pages_nodemask+0x617/0x750
[  520.675768]  ? __alloc_pages_slowpath+0x2870/0x2870
[  520.680788]  ? find_held_lock+0x35/0x130
[  520.684856]  cache_grow_begin+0x91/0x8c0
[  520.688929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.694483]  ? __cpuset_node_allowed+0x136/0x540
[  520.699233]  fallback_alloc+0x1fd/0x2d0
[  520.703227]  ____cache_alloc_node+0x1be/0x1e0
[  520.707736]  kmem_cache_alloc_node+0xe3/0x710
[  520.712233]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  520.716477]  __alloc_skb+0xd5/0x5f0
[  520.720109]  ? skb_trim+0x190/0x190
[  520.723776]  ? kasan_check_read+0x11/0x20
[  520.727926]  ndisc_alloc_skb+0x13c/0x340
[  520.732000]  ndisc_send_rs+0x35f/0x6e0
[  520.735986]  addrconf_rs_timer+0x30f/0x680
[  520.740919]  ? ipv6_get_lladdr+0x490/0x490
[  520.745199]  call_timer_fn+0x18d/0x720
[  520.749083]  ? ipv6_get_lladdr+0x490/0x490
[  520.753324]  ? process_timeout+0x40/0x40
[  520.757389]  ? run_timer_softirq+0x644/0x16a0
[  520.761890]  ? trace_hardirqs_on+0x67/0x220
[  520.766215]  ? ipv6_get_lladdr+0x490/0x490
[  520.770446]  run_timer_softirq+0x64f/0x16a0
[  520.774781]  ? add_timer+0xbe0/0xbe0
[  520.778526]  ? __lock_is_held+0xb6/0x140
[  520.782596]  __do_softirq+0x25c/0x921
[  520.786405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.791953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.797535]  irq_exit+0x180/0x1d0
[  520.801018]  smp_apic_timer_interrupt+0x13b/0x550
[  520.805868]  apic_timer_interrupt+0xf/0x20
[  520.810102]  </IRQ>
[  520.812342] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  520.817278] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  520.836184] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  520.843890] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  520.851170] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  520.858467] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  520.865766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  520.873135] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  520.880551]  ? finish_task_switch+0x146/0x7c0
[  520.885070]  skb_clone+0x156/0x3e0
[  520.888615]  bpf_clone_redirect+0xb2/0x480
[  520.892852]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  520.897897]  ? mark_held_locks+0x100/0x100
[  520.902145]  ? __schedule+0x86e/0x1dc0
[  520.906027]  ? retint_kernel+0x2d/0x2d
[  520.909935]  ? firmware_map_remove+0x1a7/0x1a7
[  520.914517]  ? bpf_test_run+0x146/0x430
[  520.918487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.924031]  ? check_preemption_disabled+0x48/0x290
[  520.929057]  ? lock_acquire+0x16f/0x3f0
[  520.933033]  ? kasan_check_read+0x11/0x20
[  520.937193]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  520.942385]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  520.947934]  bpf_test_run+0x10d/0x430
[  520.951772]  bpf_prog_test_run_skb+0x64b/0xb20
[  520.956366]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  520.961220]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  520.966069]  bpf_prog_test_run+0x129/0x1a0
[  520.970300]  __x64_sys_bpf+0x397/0x4c0
[  520.974193]  ? bpf_prog_get+0x20/0x20
[  520.977995]  ? do_syscall_64+0x26/0x620
[  520.981972]  ? lockdep_hardirqs_on+0x415/0x5d0
[  520.986563]  ? trace_hardirqs_on+0x67/0x220
[  520.990894]  do_syscall_64+0xfd/0x620
[  520.994694]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  520.999893] RIP: 0033:0x45b349
[  521.003096] Code: Bad RIP value.
[  521.006452] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  521.014178] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  521.021584] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  521.028846] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  521.036158] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  521.043523] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  521.050821] warn_alloc_show_mem: 1 callbacks suppressed
[  521.050831] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  521.050833] Mem-Info:
[  521.050863] active_anon:162126 inactive_anon:206 isolated_anon:0
[  521.050863]  active_file:14 inactive_file:11 isolated_file:0
[  521.050863]  unevictable:0 dirty:0 writeback:0 unstable:0
[  521.050863]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  521.050863]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  521.050863]  free:10931 free_pcp:206 free_cma:0
[  521.056213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  521.063681] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  521.066094] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  521.099278] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  521.108623] Call Trace:
[  521.138235] 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
[  521.145329]  <IRQ>
[  521.172500] lowmem_reserve[]: 0 2545 2546 2546 2546
[  521.175092]  dump_stack+0x197/0x210
[  521.201309] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  521.203477]  warn_alloc.cold+0x7b/0x173
[  521.208442] lowmem_reserve[]: 0 0 1 1 1
[  521.212211]  ? zone_watermark_ok_safe+0x260/0x260
[  521.240999] 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
[  521.244989]  ? __cpuset_node_allowed+0x136/0x540
[  521.248953] lowmem_reserve[]: 0 0 0 0 0
[  521.253923]  ? __isolate_free_page+0x4c0/0x4c0
[  521.279763] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  521.285140]  ? wake_all_kswapds+0x14d/0x300
[  521.289083] lowmem_reserve[]: 0 0 0 0 0
[  521.293690]  __alloc_pages_slowpath+0x2214/0x2870
[  521.321164] 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
[  521.325521]  ? warn_alloc+0x110/0x110
[  521.329477] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  521.334348]  ? __lock_acquire+0x6ee/0x49c0
[  521.346817] 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
[  521.350654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  521.363987] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  521.368237]  ? should_fail+0x14d/0x85c
[  521.378963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  521.384518]  ? __isolate_free_page+0x4c0/0x4c0
[  521.400114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  521.404014]  __alloc_pages_nodemask+0x617/0x750
[  521.412819] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  521.417454]  ? __alloc_pages_slowpath+0x2870/0x2870
[  521.426022] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  521.430699]  ? find_held_lock+0x35/0x130
[  521.439510] 281 total pagecache pages
[  521.444546]  cache_grow_begin+0x91/0x8c0
[  521.453113] 0 pages in swap cache
[  521.457190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.461111] Swap cache stats: add 0, delete 0, find 0/0
[  521.461121] Free swap  = 0kB
[  521.465202]  ? __cpuset_node_allowed+0x136/0x540
[  521.468636] Total swap = 0kB
[  521.468647] 1965979 pages RAM
[  521.474203]  fallback_alloc+0x1fd/0x2d0
[  521.479542] 0 pages HighMem/MovableOnly
[  521.479552] 341724 pages reserved
[  521.482586]  ____cache_alloc_node+0x1be/0x1e0
[  521.487322] 0 pages cma reserved
[  521.487412] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  521.490383]  kmem_cache_alloc_node+0xe3/0x710
[  521.493601] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  521.497469]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  521.501420] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  521.504885]  __alloc_skb+0xd5/0x5f0
[  521.547437]  ? skb_trim+0x190/0x190
[  521.551058]  ? kasan_check_read+0x11/0x20
[  521.555207]  ndisc_alloc_skb+0x13c/0x340
[  521.559411]  ndisc_send_rs+0x35f/0x6e0
[  521.563312]  addrconf_rs_timer+0x30f/0x680
[  521.567572]  ? ipv6_get_lladdr+0x490/0x490
[  521.571826]  call_timer_fn+0x18d/0x720
[  521.575717]  ? ipv6_get_lladdr+0x490/0x490
[  521.579948]  ? process_timeout+0x40/0x40
[  521.584014]  ? run_timer_softirq+0x644/0x16a0
[  521.588520]  ? trace_hardirqs_on+0x67/0x220
[  521.592841]  ? ipv6_get_lladdr+0x490/0x490
[  521.597082]  run_timer_softirq+0x64f/0x16a0
[  521.601403]  ? add_timer+0xbe0/0xbe0
[  521.605109]  ? __lock_is_held+0xb6/0x140
[  521.609171]  __do_softirq+0x25c/0x921
[  521.612978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.618508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  521.624059]  irq_exit+0x180/0x1d0
[  521.627508]  smp_apic_timer_interrupt+0x13b/0x550
[  521.632382]  apic_timer_interrupt+0xf/0x20
[  521.636605]  </IRQ>
[  521.638835] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  521.643769] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  521.662674] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  521.670386] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  521.677752] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  521.685026] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  521.692296] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  521.699566] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  521.706909]  ? mark_held_locks+0xb1/0x100
[  521.711095]  ? __netdev_alloc_skb+0x370/0x470
[  521.715591]  __build_skb+0x3e/0x310
[  521.719347]  __netdev_alloc_skb+0x2ba/0x470
[  521.723683]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  521.728531]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  521.733913]  ? find_held_lock+0x35/0x130
[  521.737993]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  521.742463]  ? check_preemption_disabled+0x48/0x290
[  521.747479]  ? prandom_u32_state+0x13/0x180
[  521.751922]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  521.757114]  ? kmem_cache_alloc+0x32a/0x700
[  521.761447]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  521.766379]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  521.772698]  process_one_work+0x989/0x1750
[  521.776948]  ? pwq_dec_nr_in_flight+0x320/0x320
[  521.781622]  ? lock_acquire+0x16f/0x3f0
[  521.785711]  ? kasan_check_write+0x14/0x20
[  521.789957]  ? do_raw_spin_lock+0xd7/0x250
[  521.794190]  worker_thread+0x98/0xe40
[  521.797993]  kthread+0x354/0x420
[  521.801361]  ? process_one_work+0x1750/0x1750
[  521.805864]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  521.811418]  ret_from_fork+0x24/0x30
[  521.815146] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  521.815207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  521.822942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  521.822951] Call Trace:
[  521.829547] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  521.838781]  <IRQ>
[  521.841360] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  521.851766]  dump_stack+0x197/0x210
[  521.862424]  warn_alloc.cold+0x7b/0x173
[  521.866410]  ? zone_watermark_ok_safe+0x260/0x260
[  521.871250]  ? __cpuset_node_allowed+0x136/0x540
[  521.876034]  ? __isolate_free_page+0x4c0/0x4c0
[  521.880660]  ? wake_all_kswapds+0x14d/0x300
[  521.884995]  __alloc_pages_slowpath+0x2214/0x2870
[  521.889867]  ? warn_alloc+0x110/0x110
[  521.893675]  ? __lock_acquire+0x6ee/0x49c0
[  521.897918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  521.903457]  ? should_fail+0x14d/0x85c
[  521.907342]  ? __isolate_free_page+0x4c0/0x4c0
[  521.911930]  __alloc_pages_nodemask+0x617/0x750
[  521.916610]  ? __alloc_pages_slowpath+0x2870/0x2870
[  521.921640]  ? find_held_lock+0x35/0x130
[  521.925703]  cache_grow_begin+0x91/0x8c0
[  521.929760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.935320]  ? __cpuset_node_allowed+0x136/0x540
[  521.940079]  fallback_alloc+0x1fd/0x2d0
[  521.944059]  ____cache_alloc_node+0x1be/0x1e0
[  521.948561]  kmem_cache_alloc_node+0xe3/0x710
[  521.953056]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  521.957305]  __alloc_skb+0xd5/0x5f0
[  521.960930]  ? skb_trim+0x190/0x190
[  521.964548]  ? kasan_check_read+0x11/0x20
[  521.968714]  ndisc_alloc_skb+0x13c/0x340
[  521.972786]  ndisc_send_rs+0x35f/0x6e0
[  521.976671]  addrconf_rs_timer+0x30f/0x680
[  521.980912]  ? ipv6_get_lladdr+0x490/0x490
[  521.985147]  call_timer_fn+0x18d/0x720
[  521.989031]  ? ipv6_get_lladdr+0x490/0x490
[  521.993261]  ? process_timeout+0x40/0x40
[  521.997312]  ? run_timer_softirq+0x644/0x16a0
[  522.001820]  ? trace_hardirqs_on+0x67/0x220
[  522.006161]  ? ipv6_get_lladdr+0x490/0x490
[  522.010456]  run_timer_softirq+0x64f/0x16a0
[  522.014780]  ? add_timer+0xbe0/0xbe0
[  522.018496]  ? __lock_is_held+0xb6/0x140
[  522.022564]  __do_softirq+0x25c/0x921
[  522.026360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.031894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.037430]  irq_exit+0x180/0x1d0
[  522.040877]  smp_apic_timer_interrupt+0x13b/0x550
[  522.045719]  apic_timer_interrupt+0xf/0x20
[  522.049948]  </IRQ>
[  522.052175] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  522.057097] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  522.075996] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  522.083690] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  522.091302] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  522.098563] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  522.105817] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  522.113092] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  522.120378]  ? finish_task_switch+0x146/0x7c0
[  522.124873]  skb_clone+0x156/0x3e0
[  522.128409]  bpf_clone_redirect+0xb2/0x480
[  522.132637]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  522.137650]  ? mark_held_locks+0x100/0x100
[  522.141889]  ? __schedule+0x86e/0x1dc0
[  522.145767]  ? retint_kernel+0x2d/0x2d
[  522.149650]  ? firmware_map_remove+0x1a7/0x1a7
[  522.154225]  ? bpf_test_run+0x146/0x430
[  522.158191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.163718]  ? check_preemption_disabled+0x48/0x290
[  522.168748]  ? lock_acquire+0x16f/0x3f0
[  522.172739]  ? kasan_check_read+0x11/0x20
[  522.176881]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  522.182075]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  522.187620]  bpf_test_run+0x10d/0x430
[  522.191437]  bpf_prog_test_run_skb+0x64b/0xb20
[  522.196024]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  522.200867]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  522.205796]  bpf_prog_test_run+0x129/0x1a0
[  522.210024]  __x64_sys_bpf+0x397/0x4c0
[  522.213902]  ? bpf_prog_get+0x20/0x20
[  522.217703]  ? do_syscall_64+0x26/0x620
[  522.221672]  ? lockdep_hardirqs_on+0x415/0x5d0
[  522.226248]  ? trace_hardirqs_on+0x67/0x220
[  522.230562]  do_syscall_64+0xfd/0x620
[  522.234359]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  522.239548] RIP: 0033:0x45b349
[  522.242752] Code: Bad RIP value.
[  522.246105] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  522.253801] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  522.261057] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  522.268311] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  522.275585] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  522.282841] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  522.290116] warn_alloc_show_mem: 1 callbacks suppressed
[  522.290126] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  522.290128] Mem-Info:
[  522.290158] active_anon:162126 inactive_anon:206 isolated_anon:0
[  522.290158]  active_file:14 inactive_file:11 isolated_file:0
[  522.290158]  unevictable:0 dirty:0 writeback:0 unstable:0
[  522.290158]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  522.290158]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  522.290158]  free:10931 free_pcp:206 free_cma:0
[  522.295597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  522.295621] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  522.303081] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  522.305475] Call Trace:
[  522.338543] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  522.347876]  <IRQ>
[  522.354956] 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
[  522.382540]  dump_stack+0x197/0x210
[  522.385095] lowmem_reserve[]: 0 2545 2546 2546 2546
[  522.410776]  warn_alloc.cold+0x7b/0x173
[  522.412904] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  522.439119]  ? zone_watermark_ok_safe+0x260/0x260
[  522.442724] lowmem_reserve[]: 0 0 1 1 1
[  522.447735]  ? __cpuset_node_allowed+0x136/0x540
[  522.451684] 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
[  522.480489]  ? __isolate_free_page+0x4c0/0x4c0
[  522.485307] lowmem_reserve[]: 0 0 0 0 0
[  522.489274]  ? wake_all_kswapds+0x14d/0x300
[  522.494008] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  522.519769]  __alloc_pages_slowpath+0x2214/0x2870
[  522.524322] lowmem_reserve[]: 0 0 0 0 0
[  522.528311]  ? warn_alloc+0x110/0x110
[  522.532603] 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
[  522.560105]  ? __lock_acquire+0x6ee/0x49c0
[  522.565015] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  522.568982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  522.572760] 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
[  522.585242]  ? should_fail+0x14d/0x85c
[  522.589449] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  522.602796]  ? __isolate_free_page+0x4c0/0x4c0
[  522.608309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  522.618959]  __alloc_pages_nodemask+0x617/0x750
[  522.622817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  522.638413]  ? __alloc_pages_slowpath+0x2870/0x2870
[  522.642969] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  522.651795]  ? find_held_lock+0x35/0x130
[  522.656433] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  522.656441] 281 total pagecache pages
[  522.665015]  cache_grow_begin+0x91/0x8c0
[  522.670007] 0 pages in swap cache
[  522.678837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.682877] Swap cache stats: add 0, delete 0, find 0/0
[  522.691436]  ? __cpuset_node_allowed+0x136/0x540
[  522.695203] Free swap  = 0kB
[  522.695210] Total swap = 0kB
[  522.699258]  fallback_alloc+0x1fd/0x2d0
[  522.702689] 1965979 pages RAM
[  522.708219]  ____cache_alloc_node+0x1be/0x1e0
[  522.713549] 0 pages HighMem/MovableOnly
[  522.713556] 341724 pages reserved
[  522.718415]  kmem_cache_alloc_node+0xe3/0x710
[  522.721410] 0 pages cma reserved
[  522.721480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  522.724440]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  522.724462]  __alloc_skb+0xd5/0x5f0
[  522.724478]  ? skb_trim+0x190/0x190
[  522.728487] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  522.731529]  ? kasan_check_read+0x11/0x20
[  522.736004] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  522.739982]  ndisc_alloc_skb+0x13c/0x340
[  522.793236]  ndisc_send_rs+0x35f/0x6e0
[  522.797125]  addrconf_rs_timer+0x30f/0x680
[  522.801355]  ? ipv6_get_lladdr+0x490/0x490
[  522.805590]  call_timer_fn+0x18d/0x720
[  522.809482]  ? ipv6_get_lladdr+0x490/0x490
[  522.813704]  ? process_timeout+0x40/0x40
[  522.817758]  ? run_timer_softirq+0x644/0x16a0
[  522.822247]  ? trace_hardirqs_on+0x67/0x220
[  522.826562]  ? ipv6_get_lladdr+0x490/0x490
[  522.830786]  run_timer_softirq+0x64f/0x16a0
[  522.835101]  ? add_timer+0xbe0/0xbe0
[  522.838804]  ? __lock_is_held+0xb6/0x140
[  522.842865]  __do_softirq+0x25c/0x921
[  522.846673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.852215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  522.857763]  irq_exit+0x180/0x1d0
[  522.861325]  smp_apic_timer_interrupt+0x13b/0x550
[  522.866181]  apic_timer_interrupt+0xf/0x20
[  522.870503]  </IRQ>
[  522.872738] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  522.877671] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  522.896573] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  522.904295] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  522.911726] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  522.918987] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  522.926258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  522.933526] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  522.940952]  ? mark_held_locks+0xb1/0x100
[  522.945550]  ? __netdev_alloc_skb+0x370/0x470
[  522.950056]  __build_skb+0x3e/0x310
[  522.953681]  __netdev_alloc_skb+0x2ba/0x470
[  522.957998]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  522.962832]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  522.968193]  ? find_held_lock+0x35/0x130
[  522.972259]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  522.976675]  ? check_preemption_disabled+0x48/0x290
[  522.981695]  ? prandom_u32_state+0x13/0x180
[  522.986013]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  522.991202]  ? kmem_cache_alloc+0x32a/0x700
[  522.995515]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  523.000446]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  523.006771]  process_one_work+0x989/0x1750
[  523.011022]  ? pwq_dec_nr_in_flight+0x320/0x320
[  523.015695]  ? lock_acquire+0x16f/0x3f0
[  523.019677]  ? kasan_check_write+0x14/0x20
[  523.023910]  ? do_raw_spin_lock+0xd7/0x250
[  523.028301]  worker_thread+0x98/0xe40
[  523.032113]  kthread+0x354/0x420
[  523.035480]  ? process_one_work+0x1750/0x1750
[  523.039975]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  523.045510]  ret_from_fork+0x24/0x30
[  523.049246] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  523.049312] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  523.057049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  523.057054] Call Trace:
[  523.057060]  <IRQ>
[  523.057076]  dump_stack+0x197/0x210
[  523.057096]  warn_alloc.cold+0x7b/0x173
[  523.063640] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  523.072915]  ? zone_watermark_ok_safe+0x260/0x260
[  523.075491] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  523.077632]  ? __cpuset_node_allowed+0x136/0x540
[  523.110043]  ? __isolate_free_page+0x4c0/0x4c0
[  523.114617]  ? wake_all_kswapds+0x14d/0x300
[  523.118935]  __alloc_pages_slowpath+0x2214/0x2870
[  523.123785]  ? warn_alloc+0x110/0x110
[  523.127676]  ? __lock_acquire+0x6ee/0x49c0
[  523.131913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  523.137457]  ? should_fail+0x14d/0x85c
[  523.141347]  ? __isolate_free_page+0x4c0/0x4c0
[  523.145938]  __alloc_pages_nodemask+0x617/0x750
[  523.150602]  ? __alloc_pages_slowpath+0x2870/0x2870
[  523.155627]  ? find_held_lock+0x35/0x130
[  523.159715]  cache_grow_begin+0x91/0x8c0
[  523.163767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.169553]  ? __cpuset_node_allowed+0x136/0x540
[  523.174299]  fallback_alloc+0x1fd/0x2d0
[  523.178270]  ____cache_alloc_node+0x1be/0x1e0
[  523.182767]  kmem_cache_alloc_node+0xe3/0x710
[  523.187253]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  523.191486]  __alloc_skb+0xd5/0x5f0
[  523.195107]  ? skb_trim+0x190/0x190
[  523.198723]  ? kasan_check_read+0x11/0x20
[  523.202868]  ndisc_alloc_skb+0x13c/0x340
[  523.206947]  ndisc_send_rs+0x35f/0x6e0
[  523.210827]  addrconf_rs_timer+0x30f/0x680
[  523.215066]  ? ipv6_get_lladdr+0x490/0x490
[  523.219300]  call_timer_fn+0x18d/0x720
[  523.223184]  ? ipv6_get_lladdr+0x490/0x490
[  523.227416]  ? process_timeout+0x40/0x40
[  523.231478]  ? run_timer_softirq+0x644/0x16a0
[  523.235970]  ? trace_hardirqs_on+0x67/0x220
[  523.240331]  ? ipv6_get_lladdr+0x490/0x490
[  523.244563]  run_timer_softirq+0x64f/0x16a0
[  523.248898]  ? add_timer+0xbe0/0xbe0
[  523.252612]  ? __lock_is_held+0xb6/0x140
[  523.256793]  __do_softirq+0x25c/0x921
[  523.260590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.266127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.271688]  irq_exit+0x180/0x1d0
[  523.275142]  smp_apic_timer_interrupt+0x13b/0x550
[  523.279999]  apic_timer_interrupt+0xf/0x20
[  523.284221]  </IRQ>
[  523.286450] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  523.291379] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  523.310282] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  523.317991] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  523.325265] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  523.332553] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  523.339825] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  523.347111] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  523.354414]  ? finish_task_switch+0x146/0x7c0
[  523.358930]  skb_clone+0x156/0x3e0
[  523.362483]  bpf_clone_redirect+0xb2/0x480
[  523.366730]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  523.371763]  ? mark_held_locks+0x100/0x100
[  523.376005]  ? __schedule+0x86e/0x1dc0
[  523.379896]  ? retint_kernel+0x2d/0x2d
[  523.383791]  ? firmware_map_remove+0x1a7/0x1a7
[  523.388382]  ? bpf_test_run+0x146/0x430
[  523.392369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.397912]  ? check_preemption_disabled+0x48/0x290
[  523.402927]  ? lock_acquire+0x16f/0x3f0
[  523.406913]  ? kasan_check_read+0x11/0x20
[  523.411097]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  523.416399]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  523.421945]  bpf_test_run+0x10d/0x430
[  523.425758]  bpf_prog_test_run_skb+0x64b/0xb20
[  523.430361]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  523.435227]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  523.440065]  bpf_prog_test_run+0x129/0x1a0
[  523.444298]  __x64_sys_bpf+0x397/0x4c0
[  523.448189]  ? bpf_prog_get+0x20/0x20
[  523.452004]  ? do_syscall_64+0x26/0x620
[  523.455988]  ? lockdep_hardirqs_on+0x415/0x5d0
[  523.460575]  ? trace_hardirqs_on+0x67/0x220
[  523.464896]  do_syscall_64+0xfd/0x620
[  523.468693]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  523.473983] RIP: 0033:0x45b349
[  523.477185] Code: Bad RIP value.
[  523.480587] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  523.488300] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  523.495564] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  523.502848] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  523.510109] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  523.517489] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  523.524782] warn_alloc_show_mem: 1 callbacks suppressed
[  523.524792] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  523.524794] Mem-Info:
[  523.524824] active_anon:162126 inactive_anon:206 isolated_anon:0
[  523.524824]  active_file:14 inactive_file:11 isolated_file:0
[  523.524824]  unevictable:0 dirty:0 writeback:0 unstable:0
[  523.524824]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  523.524824]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  523.524824]  free:10931 free_pcp:206 free_cma:0
[  523.530171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  523.530196] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  523.537647] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  523.540170] Call Trace:
[  523.573345] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  523.582703]  <IRQ>
[  523.589800] 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
[  523.617665]  dump_stack+0x197/0x210
[  523.620231] lowmem_reserve[]: 0 2545 2546 2546 2546
[  523.645952]  warn_alloc.cold+0x7b/0x173
[  523.645971]  ? zone_watermark_ok_safe+0x260/0x260
[  523.648125] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  523.674270]  ? __cpuset_node_allowed+0x136/0x540
[  523.677890] lowmem_reserve[]: 0 0 1 1 1
[  523.682937]  ? __isolate_free_page+0x4c0/0x4c0
[  523.686888] 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
[  523.691745]  ? wake_all_kswapds+0x14d/0x300
[  523.720646] lowmem_reserve[]: 0 0 0 0 0
[  523.725433]  __alloc_pages_slowpath+0x2214/0x2870
[  523.729385] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  523.733999]  ? warn_alloc+0x110/0x110
[  523.760692] lowmem_reserve[]: 0 0 0 0 0
[  523.765043]  ? __lock_acquire+0x6ee/0x49c0
[  523.769000] 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
[  523.773851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  523.801462] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  523.805270]  ? should_fail+0x14d/0x85c
[  523.809220] 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
[  523.813476]  ? __isolate_free_page+0x4c0/0x4c0
[  523.825953] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  523.831519]  __alloc_pages_nodemask+0x617/0x750
[  523.845232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  523.849136]  ? __alloc_pages_slowpath+0x2870/0x2870
[  523.859770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  523.859784] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  523.864580]  ? find_held_lock+0x35/0x130
[  523.880485] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  523.885171]  cache_grow_begin+0x91/0x8c0
[  523.893992] 281 total pagecache pages
[  523.899017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.907595] 0 pages in swap cache
[  523.916438]  ? __cpuset_node_allowed+0x136/0x540
[  523.920492] Swap cache stats: add 0, delete 0, find 0/0
[  523.929078]  fallback_alloc+0x1fd/0x2d0
[  523.933122] Free swap  = 0kB
[  523.933135] Total swap = 0kB
[  523.936959]  ____cache_alloc_node+0x1be/0x1e0
[  523.942524] 1965979 pages RAM
[  523.942529] 0 pages HighMem/MovableOnly
[  523.942533] 341724 pages reserved
[  523.942548] 0 pages cma reserved
[  523.946045]  kmem_cache_alloc_node+0xe3/0x710
[  523.950868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  523.956181]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  523.956208]  __alloc_skb+0xd5/0x5f0
[  523.960256] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  523.963313]  ? skb_trim+0x190/0x190
[  523.966301] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  523.970911]  ? kasan_check_read+0x11/0x20
[  523.970936]  ndisc_alloc_skb+0x13c/0x340
[  524.031393]  ndisc_send_rs+0x35f/0x6e0
[  524.035301]  addrconf_rs_timer+0x30f/0x680
[  524.039540]  ? ipv6_get_lladdr+0x490/0x490
[  524.043921]  call_timer_fn+0x18d/0x720
[  524.047828]  ? ipv6_get_lladdr+0x490/0x490
[  524.052072]  ? process_timeout+0x40/0x40
[  524.056126]  ? run_timer_softirq+0x644/0x16a0
[  524.060740]  ? trace_hardirqs_on+0x67/0x220
[  524.065246]  ? ipv6_get_lladdr+0x490/0x490
[  524.069581]  run_timer_softirq+0x64f/0x16a0
[  524.073906]  ? add_timer+0xbe0/0xbe0
[  524.077712]  ? __lock_is_held+0xb6/0x140
[  524.081879]  __do_softirq+0x25c/0x921
[  524.085766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.091322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  524.096867]  irq_exit+0x180/0x1d0
[  524.100315]  smp_apic_timer_interrupt+0x13b/0x550
[  524.105159]  apic_timer_interrupt+0xf/0x20
[  524.109428]  </IRQ>
[  524.111680] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  524.116613] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  524.135523] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  524.143244] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  524.150517] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  524.157892] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  524.165180] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  524.172541] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  524.179842]  ? mark_held_locks+0xb1/0x100
[  524.184005]  ? __netdev_alloc_skb+0x370/0x470
[  524.188635]  __build_skb+0x3e/0x310
[  524.192281]  __netdev_alloc_skb+0x2ba/0x470
[  524.196640]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  524.201481]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  524.206865]  ? find_held_lock+0x35/0x130
[  524.211193]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  524.215689]  ? check_preemption_disabled+0x48/0x290
[  524.220729]  ? prandom_u32_state+0x13/0x180
[  524.225076]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  524.230372]  ? kmem_cache_alloc+0x32a/0x700
[  524.235600]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  524.240673]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  524.247013]  process_one_work+0x989/0x1750
[  524.251257]  ? pwq_dec_nr_in_flight+0x320/0x320
[  524.255932]  ? lock_acquire+0x16f/0x3f0
[  524.259926]  ? kasan_check_write+0x14/0x20
[  524.264193]  ? do_raw_spin_lock+0xd7/0x250
[  524.268442]  worker_thread+0x98/0xe40
[  524.272394]  kthread+0x354/0x420
[  524.275770]  ? process_one_work+0x1750/0x1750
[  524.280318]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  524.285966]  ret_from_fork+0x24/0x30
[  524.289827] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  524.289892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  524.297629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  524.297634] Call Trace:
[  524.297640]  <IRQ>
[  524.297660]  dump_stack+0x197/0x210
[  524.297679]  warn_alloc.cold+0x7b/0x173
[  524.297700]  ? zone_watermark_ok_safe+0x260/0x260
[  524.304411] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  524.313688]  ? __cpuset_node_allowed+0x136/0x540
[  524.316249] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  524.318396]  ? __isolate_free_page+0x4c0/0x4c0
[  524.355728]  ? wake_all_kswapds+0x14d/0x300
[  524.360078]  __alloc_pages_slowpath+0x2214/0x2870
[  524.364936]  ? warn_alloc+0x110/0x110
[  524.368734]  ? __lock_acquire+0x6ee/0x49c0
[  524.372998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  524.378536]  ? should_fail+0x14d/0x85c
[  524.382457]  ? __isolate_free_page+0x4c0/0x4c0
[  524.387060]  __alloc_pages_nodemask+0x617/0x750
[  524.391742]  ? __alloc_pages_slowpath+0x2870/0x2870
[  524.396777]  ? find_held_lock+0x35/0x130
[  524.400871]  cache_grow_begin+0x91/0x8c0
[  524.404974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.410625]  ? __cpuset_node_allowed+0x136/0x540
[  524.415398]  fallback_alloc+0x1fd/0x2d0
[  524.419385]  ____cache_alloc_node+0x1be/0x1e0
[  524.423891]  kmem_cache_alloc_node+0xe3/0x710
[  524.428407]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  524.432660]  __alloc_skb+0xd5/0x5f0
[  524.436403]  ? skb_trim+0x190/0x190
[  524.440165]  ? kasan_check_read+0x11/0x20
[  524.444350]  ndisc_alloc_skb+0x13c/0x340
[  524.448425]  ndisc_send_rs+0x35f/0x6e0
[  524.452327]  addrconf_rs_timer+0x30f/0x680
[  524.456603]  ? ipv6_get_lladdr+0x490/0x490
[  524.460857]  call_timer_fn+0x18d/0x720
[  524.464784]  ? ipv6_get_lladdr+0x490/0x490
[  524.469255]  ? process_timeout+0x40/0x40
[  524.473329]  ? run_timer_softirq+0x644/0x16a0
[  524.477843]  ? trace_hardirqs_on+0x67/0x220
[  524.482196]  ? ipv6_get_lladdr+0x490/0x490
[  524.486491]  run_timer_softirq+0x64f/0x16a0
[  524.490871]  ? add_timer+0xbe0/0xbe0
[  524.494634]  ? __lock_is_held+0xb6/0x140
[  524.498806]  __do_softirq+0x25c/0x921
[  524.502615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.508175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.513728]  irq_exit+0x180/0x1d0
[  524.517206]  smp_apic_timer_interrupt+0x13b/0x550
[  524.522067]  apic_timer_interrupt+0xf/0x20
[  524.526650]  </IRQ>
[  524.528893] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  524.533825] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  524.552988] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  524.560705] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  524.568153] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  524.575414] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  524.582699] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  524.589972] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  524.597268]  ? finish_task_switch+0x146/0x7c0
[  524.601781]  skb_clone+0x156/0x3e0
[  524.605427]  bpf_clone_redirect+0xb2/0x480
[  524.609665]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  524.614821]  ? mark_held_locks+0x100/0x100
[  524.619156]  ? __schedule+0x86e/0x1dc0
[  524.623037]  ? retint_kernel+0x2d/0x2d
[  524.626925]  ? firmware_map_remove+0x1a7/0x1a7
[  524.631527]  ? bpf_test_run+0x146/0x430
[  524.635520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.641087]  ? check_preemption_disabled+0x48/0x290
[  524.646184]  ? lock_acquire+0x16f/0x3f0
[  524.650248]  ? kasan_check_read+0x11/0x20
[  524.654402]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  524.659725]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  524.665494]  bpf_test_run+0x10d/0x430
[  524.669410]  bpf_prog_test_run_skb+0x64b/0xb20
[  524.674003]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  524.678872]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  524.683737]  bpf_prog_test_run+0x129/0x1a0
[  524.688006]  __x64_sys_bpf+0x397/0x4c0
[  524.691909]  ? bpf_prog_get+0x20/0x20
[  524.695846]  ? do_syscall_64+0x26/0x620
[  524.699848]  ? lockdep_hardirqs_on+0x415/0x5d0
[  524.704479]  ? trace_hardirqs_on+0x67/0x220
[  524.708813]  do_syscall_64+0xfd/0x620
[  524.712684]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  524.717903] RIP: 0033:0x45b349
[  524.721139] Code: Bad RIP value.
[  524.724500] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  524.732232] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  524.739510] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  524.746800] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  524.754078] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  524.761452] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  524.768866] warn_alloc_show_mem: 1 callbacks suppressed
[  524.768876] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  524.768878] Mem-Info:
[  524.768908] active_anon:162126 inactive_anon:206 isolated_anon:0
[  524.768908]  active_file:14 inactive_file:11 isolated_file:0
[  524.768908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  524.768908]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  524.768908]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  524.768908]  free:10931 free_pcp:206 free_cma:0
[  524.774251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  524.774278] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  524.781739] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  524.784142] Call Trace:
[  524.817300] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  524.826660]  <IRQ>
[  524.833760] 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
[  524.861473]  dump_stack+0x197/0x210
[  524.864049] lowmem_reserve[]: 0 2545 2546 2546 2546
[  524.889886]  warn_alloc.cold+0x7b/0x173
[  524.892049] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  524.918198]  ? zone_watermark_ok_safe+0x260/0x260
[  524.921813] lowmem_reserve[]: 0 0 1 1 1
[  524.926855]  ? __cpuset_node_allowed+0x136/0x540
[  524.930890] 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
[  524.961827]  ? __isolate_free_page+0x4c0/0x4c0
[  524.966724] lowmem_reserve[]: 0 0 0 0 0
[  524.970837]  ? wake_all_kswapds+0x14d/0x300
[  524.975577] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  525.001815]  __alloc_pages_slowpath+0x2214/0x2870
[  525.006556] lowmem_reserve[]: 0 0 0 0 0
[  525.010567]  ? warn_alloc+0x110/0x110
[  525.014875] 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
[  525.048795]  ? __lock_acquire+0x6ee/0x49c0
[  525.053617] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  525.057608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.061405] 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
[  525.073933]  ? should_fail+0x14d/0x85c
[  525.078153] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  525.092231]  ? __isolate_free_page+0x4c0/0x4c0
[  525.097763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  525.108451]  __alloc_pages_nodemask+0x617/0x750
[  525.112558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  525.112573] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  525.128988]  ? __alloc_pages_slowpath+0x2870/0x2870
[  525.133554] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  525.142418]  ? find_held_lock+0x35/0x130
[  525.147068] 281 total pagecache pages
[  525.155657]  cache_grow_begin+0x91/0x8c0
[  525.164593] 0 pages in swap cache
[  525.169802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.178373] Swap cache stats: add 0, delete 0, find 0/0
[  525.178383] Free swap  = 0kB
[  525.182464]  ? __cpuset_node_allowed+0x136/0x540
[  525.186241] Total swap = 0kB
[  525.186251] 1965979 pages RAM
[  525.190344]  fallback_alloc+0x1fd/0x2d0
[  525.193772] 0 pages HighMem/MovableOnly
[  525.193782] 341724 pages reserved
[  525.199337]  ____cache_alloc_node+0x1be/0x1e0
[  525.204803] 0 pages cma reserved
[  525.204881] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  525.207843]  kmem_cache_alloc_node+0xe3/0x710
[  525.212627] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  525.215612]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  525.218743] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  525.222739]  __alloc_skb+0xd5/0x5f0
[  525.273218]  ? skb_trim+0x190/0x190
[  525.276860]  ? kasan_check_read+0x11/0x20
[  525.281031]  ndisc_alloc_skb+0x13c/0x340
[  525.285214]  ndisc_send_rs+0x35f/0x6e0
[  525.289128]  addrconf_rs_timer+0x30f/0x680
[  525.293374]  ? ipv6_get_lladdr+0x490/0x490
[  525.297622]  call_timer_fn+0x18d/0x720
[  525.301521]  ? ipv6_get_lladdr+0x490/0x490
[  525.305759]  ? process_timeout+0x40/0x40
[  525.309841]  ? run_timer_softirq+0x644/0x16a0
[  525.314363]  ? trace_hardirqs_on+0x67/0x220
[  525.318714]  ? ipv6_get_lladdr+0x490/0x490
[  525.323058]  run_timer_softirq+0x64f/0x16a0
[  525.327441]  ? add_timer+0xbe0/0xbe0
[  525.331264]  ? __lock_is_held+0xb6/0x140
[  525.335341]  __do_softirq+0x25c/0x921
[  525.339160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.344702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.350259]  irq_exit+0x180/0x1d0
[  525.353721]  smp_apic_timer_interrupt+0x13b/0x550
[  525.358753]  apic_timer_interrupt+0xf/0x20
[  525.363009]  </IRQ>
[  525.365323] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  525.370256] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  525.389319] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  525.397050] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  525.404852] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  525.412134] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  525.419398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  525.426895] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  525.434197]  ? mark_held_locks+0xb1/0x100
[  525.438466]  ? __netdev_alloc_skb+0x370/0x470
[  525.442980]  __build_skb+0x3e/0x310
[  525.446672]  __netdev_alloc_skb+0x2ba/0x470
[  525.451014]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  525.455870]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  525.461436]  ? find_held_lock+0x35/0x130
[  525.465505]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  525.469992]  ? check_preemption_disabled+0x48/0x290
[  525.475030]  ? prandom_u32_state+0x13/0x180
[  525.479373]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  525.484592]  ? kmem_cache_alloc+0x32a/0x700
[  525.488913]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  525.493870]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  525.500208]  process_one_work+0x989/0x1750
[  525.504466]  ? pwq_dec_nr_in_flight+0x320/0x320
[  525.509168]  ? lock_acquire+0x16f/0x3f0
[  525.513139]  ? kasan_check_write+0x14/0x20
[  525.517482]  ? do_raw_spin_lock+0xd7/0x250
[  525.521746]  worker_thread+0x98/0xe40
[  525.525568]  kthread+0x354/0x420
[  525.528973]  ? process_one_work+0x1750/0x1750
[  525.533467]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  525.539709]  ret_from_fork+0x24/0x30
[  525.543456] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  525.543532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  525.551278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  525.551288] Call Trace:
[  525.557900] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  525.567152]  <IRQ>
[  525.569737] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  525.580147]  dump_stack+0x197/0x210
[  525.590843]  warn_alloc.cold+0x7b/0x173
[  525.594821]  ? zone_watermark_ok_safe+0x260/0x260
[  525.599697]  ? __cpuset_node_allowed+0x136/0x540
[  525.605016]  ? __isolate_free_page+0x4c0/0x4c0
[  525.609610]  ? wake_all_kswapds+0x14d/0x300
[  525.613947]  __alloc_pages_slowpath+0x2214/0x2870
[  525.618840]  ? warn_alloc+0x110/0x110
[  525.622682]  ? __lock_acquire+0x6ee/0x49c0
[  525.626925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.632664]  ? should_fail+0x14d/0x85c
[  525.636564]  ? __isolate_free_page+0x4c0/0x4c0
[  525.641277]  __alloc_pages_nodemask+0x617/0x750
[  525.645960]  ? __alloc_pages_slowpath+0x2870/0x2870
[  525.651032]  ? find_held_lock+0x35/0x130
[  525.655835]  cache_grow_begin+0x91/0x8c0
[  525.659910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.665457]  ? __cpuset_node_allowed+0x136/0x540
[  525.670252]  fallback_alloc+0x1fd/0x2d0
[  525.674259]  ____cache_alloc_node+0x1be/0x1e0
[  525.678780]  kmem_cache_alloc_node+0xe3/0x710
[  525.683375]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  525.687638]  __alloc_skb+0xd5/0x5f0
[  525.691338]  ? skb_trim+0x190/0x190
[  525.694981]  ? kasan_check_read+0x11/0x20
[  525.699247]  ndisc_alloc_skb+0x13c/0x340
[  525.703328]  ndisc_send_rs+0x35f/0x6e0
[  525.707231]  addrconf_rs_timer+0x30f/0x680
[  525.711500]  ? ipv6_get_lladdr+0x490/0x490
[  525.715793]  call_timer_fn+0x18d/0x720
[  525.719703]  ? ipv6_get_lladdr+0x490/0x490
[  525.724079]  ? process_timeout+0x40/0x40
[  525.728142]  ? run_timer_softirq+0x644/0x16a0
[  525.732648]  ? trace_hardirqs_on+0x67/0x220
[  525.737001]  ? ipv6_get_lladdr+0x490/0x490
[  525.741282]  run_timer_softirq+0x64f/0x16a0
[  525.745655]  ? add_timer+0xbe0/0xbe0
[  525.749490]  ? __lock_is_held+0xb6/0x140
[  525.753573]  __do_softirq+0x25c/0x921
[  525.757397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.763241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.768797]  irq_exit+0x180/0x1d0
[  525.772250]  smp_apic_timer_interrupt+0x13b/0x550
[  525.777104]  apic_timer_interrupt+0xf/0x20
[  525.781339]  </IRQ>
[  525.783574] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  525.788527] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  525.807433] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  525.815198] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  525.822467] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  525.829745] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  525.837038] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  525.844312] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  525.851616]  ? finish_task_switch+0x146/0x7c0
[  525.856148]  skb_clone+0x156/0x3e0
[  525.859702]  bpf_clone_redirect+0xb2/0x480
[  525.863950]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  525.869029]  ? mark_held_locks+0x100/0x100
[  525.873279]  ? __schedule+0x86e/0x1dc0
[  525.877174]  ? retint_kernel+0x2d/0x2d
[  525.881078]  ? firmware_map_remove+0x1a7/0x1a7
[  525.885660]  ? bpf_test_run+0x146/0x430
[  525.889648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.895658]  ? check_preemption_disabled+0x48/0x290
[  525.900836]  ? lock_acquire+0x16f/0x3f0
[  525.904837]  ? kasan_check_read+0x11/0x20
[  525.908986]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  525.914327]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  525.919966]  bpf_test_run+0x10d/0x430
[  525.923832]  bpf_prog_test_run_skb+0x64b/0xb20
[  525.928431]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  525.933427]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  525.938402]  bpf_prog_test_run+0x129/0x1a0
[  525.942753]  __x64_sys_bpf+0x397/0x4c0
[  525.946637]  ? bpf_prog_get+0x20/0x20
[  525.950450]  ? do_syscall_64+0x26/0x620
[  525.954430]  ? lockdep_hardirqs_on+0x415/0x5d0
[  525.959045]  ? trace_hardirqs_on+0x67/0x220
[  525.963497]  do_syscall_64+0xfd/0x620
[  525.967317]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  525.972530] RIP: 0033:0x45b349
[  525.975818] Code: Bad RIP value.
[  525.979225] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  525.986993] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  525.994274] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  526.001710] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  526.008987] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  526.016253] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  526.023551] warn_alloc_show_mem: 1 callbacks suppressed
[  526.023562] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  526.023564] Mem-Info:
[  526.023594] active_anon:162126 inactive_anon:206 isolated_anon:0
[  526.023594]  active_file:14 inactive_file:11 isolated_file:0
[  526.023594]  unevictable:0 dirty:0 writeback:0 unstable:0
[  526.023594]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  526.023594]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  526.023594]  free:10931 free_pcp:206 free_cma:0
[  526.029029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  526.029055] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  526.036623] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  526.039022] Call Trace:
[  526.072177] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  526.081516]  <IRQ>
[  526.088638] 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
[  526.116261]  dump_stack+0x197/0x210
[  526.118825] lowmem_reserve[]: 0 2545 2546 2546 2546
[  526.144880]  warn_alloc.cold+0x7b/0x173
[  526.147014] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  526.173156]  ? zone_watermark_ok_safe+0x260/0x260
[  526.176771] lowmem_reserve[]: 0 0 1 1 1
[  526.181799]  ? __cpuset_node_allowed+0x136/0x540
[  526.185887] 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
[  526.215892]  ? __isolate_free_page+0x4c0/0x4c0
[  526.220716] lowmem_reserve[]: 0 0 0 0 0
[  526.224799]  ? wake_all_kswapds+0x14d/0x300
[  526.229528] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  526.255434]  __alloc_pages_slowpath+0x2214/0x2870
[  526.260461] lowmem_reserve[]: 0 0 0 0 0
[  526.264480]  ? warn_alloc+0x110/0x110
[  526.268777] 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
[  526.296593]  ? __lock_acquire+0x6ee/0x49c0
[  526.301436] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  526.305482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  526.309267] 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
[  526.321865]  ? should_fail+0x14d/0x85c
[  526.326092] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  526.339457]  ? __isolate_free_page+0x4c0/0x4c0
[  526.344999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  526.355771]  __alloc_pages_nodemask+0x617/0x750
[  526.359646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  526.375261]  ? __alloc_pages_slowpath+0x2870/0x2870
[  526.379838] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  526.389133]  ? find_held_lock+0x35/0x130
[  526.393805] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  526.402398]  cache_grow_begin+0x91/0x8c0
[  526.407385] 281 total pagecache pages
[  526.416240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.420394] 0 pages in swap cache
[  526.429047]  ? __cpuset_node_allowed+0x136/0x540
[  526.433091] Swap cache stats: add 0, delete 0, find 0/0
[  526.437154]  fallback_alloc+0x1fd/0x2d0
[  526.442663] Free swap  = 0kB
[  526.442672] Total swap = 0kB
[  526.446231]  ____cache_alloc_node+0x1be/0x1e0
[  526.450958] 1965979 pages RAM
[  526.456330]  kmem_cache_alloc_node+0xe3/0x710
[  526.460297] 0 pages HighMem/MovableOnly
[  526.460307] 341724 pages reserved
[  526.463340]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  526.466336] 0 pages cma reserved
[  526.470842]  __alloc_skb+0xd5/0x5f0
[  526.474085] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  526.478431]  ? skb_trim+0x190/0x190
[  526.482554] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  526.485954]  ? kasan_check_read+0x11/0x20
[  526.490171] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  526.493554]  ndisc_alloc_skb+0x13c/0x340
[  526.531463]  ndisc_send_rs+0x35f/0x6e0
[  526.535367]  addrconf_rs_timer+0x30f/0x680
[  526.539631]  ? ipv6_get_lladdr+0x490/0x490
[  526.543870]  call_timer_fn+0x18d/0x720
[  526.547753]  ? ipv6_get_lladdr+0x490/0x490
[  526.551996]  ? process_timeout+0x40/0x40
[  526.556061]  ? run_timer_softirq+0x644/0x16a0
[  526.560652]  ? trace_hardirqs_on+0x67/0x220
[  526.564971]  ? ipv6_get_lladdr+0x490/0x490
[  526.569213]  run_timer_softirq+0x64f/0x16a0
[  526.573551]  ? add_timer+0xbe0/0xbe0
[  526.577318]  ? __lock_is_held+0xb6/0x140
[  526.581388]  __do_softirq+0x25c/0x921
[  526.585224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.590774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  526.596324]  irq_exit+0x180/0x1d0
[  526.599787]  smp_apic_timer_interrupt+0x13b/0x550
[  526.604625]  apic_timer_interrupt+0xf/0x20
[  526.608852]  </IRQ>
[  526.611112] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  526.616038] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  526.634942] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  526.642654] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  526.649930] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  526.657194] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  526.664466] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  526.671746] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  526.679054]  ? mark_held_locks+0xb1/0x100
[  526.683199]  ? __netdev_alloc_skb+0x370/0x470
[  526.687700]  __build_skb+0x3e/0x310
[  526.691348]  __netdev_alloc_skb+0x2ba/0x470
[  526.695671]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  526.700520]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  526.705897]  ? find_held_lock+0x35/0x130
[  526.709965]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  526.714365]  ? check_preemption_disabled+0x48/0x290
[  526.719389]  ? prandom_u32_state+0x13/0x180
[  526.723745]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  526.728957]  ? kmem_cache_alloc+0x32a/0x700
[  526.733277]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  526.738212]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  526.744538]  process_one_work+0x989/0x1750
[  526.748777]  ? pwq_dec_nr_in_flight+0x320/0x320
[  526.753449]  ? lock_acquire+0x16f/0x3f0
[  526.757428]  ? kasan_check_write+0x14/0x20
[  526.761685]  ? do_raw_spin_lock+0xd7/0x250
[  526.765922]  worker_thread+0x98/0xe40
[  526.769735]  kthread+0x354/0x420
[  526.773125]  ? process_one_work+0x1750/0x1750
[  526.777616]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  526.783259]  ret_from_fork+0x24/0x30
[  526.786981] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  526.787043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  526.794791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  526.794796] Call Trace:
[  526.794803]  <IRQ>
[  526.794821]  dump_stack+0x197/0x210
[  526.794840]  warn_alloc.cold+0x7b/0x173
[  526.794859]  ? zone_watermark_ok_safe+0x260/0x260
[  526.794876]  ? __cpuset_node_allowed+0x136/0x540
[  526.801456] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  526.810805]  ? __isolate_free_page+0x4c0/0x4c0
[  526.813376] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  526.815527]  ? wake_all_kswapds+0x14d/0x300
[  526.856929]  __alloc_pages_slowpath+0x2214/0x2870
[  526.861818]  ? warn_alloc+0x110/0x110
[  526.865636]  ? __lock_acquire+0x6ee/0x49c0
[  526.869887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  526.875497]  ? should_fail+0x14d/0x85c
[  526.879519]  ? __isolate_free_page+0x4c0/0x4c0
[  526.884152]  __alloc_pages_nodemask+0x617/0x750
[  526.888833]  ? __alloc_pages_slowpath+0x2870/0x2870
[  526.893866]  ? find_held_lock+0x35/0x130
[  526.897937]  cache_grow_begin+0x91/0x8c0
[  526.902005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.907541]  ? __cpuset_node_allowed+0x136/0x540
[  526.912303]  fallback_alloc+0x1fd/0x2d0
[  526.916277]  ____cache_alloc_node+0x1be/0x1e0
[  526.920782]  kmem_cache_alloc_node+0xe3/0x710
[  526.925291]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  526.929532]  __alloc_skb+0xd5/0x5f0
[  526.933151]  ? skb_trim+0x190/0x190
[  526.936908]  ? kasan_check_read+0x11/0x20
[  526.941072]  ndisc_alloc_skb+0x13c/0x340
[  526.945138]  ndisc_send_rs+0x35f/0x6e0
[  526.949146]  addrconf_rs_timer+0x30f/0x680
[  526.953378]  ? ipv6_get_lladdr+0x490/0x490
[  526.957627]  call_timer_fn+0x18d/0x720
[  526.961539]  ? ipv6_get_lladdr+0x490/0x490
[  526.965770]  ? process_timeout+0x40/0x40
[  526.969820]  ? run_timer_softirq+0x644/0x16a0
[  526.974903]  ? trace_hardirqs_on+0x67/0x220
[  526.979236]  ? ipv6_get_lladdr+0x490/0x490
[  526.983477]  run_timer_softirq+0x64f/0x16a0
[  526.987797]  ? add_timer+0xbe0/0xbe0
[  526.991507]  ? __lock_is_held+0xb6/0x140
[  526.995590]  __do_softirq+0x25c/0x921
[  526.999386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.004922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.010463]  irq_exit+0x180/0x1d0
[  527.013910]  smp_apic_timer_interrupt+0x13b/0x550
[  527.018893]  apic_timer_interrupt+0xf/0x20
[  527.023129]  </IRQ>
[  527.025362] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  527.030301] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  527.049309] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  527.057026] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  527.064303] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  527.071584] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  527.078850] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  527.086235] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  527.093555]  ? finish_task_switch+0x146/0x7c0
[  527.098066]  skb_clone+0x156/0x3e0
[  527.101622]  bpf_clone_redirect+0xb2/0x480
[  527.105954]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  527.110973]  ? mark_held_locks+0x100/0x100
[  527.115228]  ? __schedule+0x86e/0x1dc0
[  527.119114]  ? retint_kernel+0x2d/0x2d
[  527.122996]  ? firmware_map_remove+0x1a7/0x1a7
[  527.127595]  ? bpf_test_run+0x146/0x430
[  527.131571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.137114]  ? check_preemption_disabled+0x48/0x290
[  527.142136]  ? lock_acquire+0x16f/0x3f0
[  527.146122]  ? kasan_check_read+0x11/0x20
[  527.150367]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  527.155555]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  527.161101]  bpf_test_run+0x10d/0x430
[  527.164929]  bpf_prog_test_run_skb+0x64b/0xb20
[  527.169516]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  527.174491]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  527.179349]  bpf_prog_test_run+0x129/0x1a0
[  527.183589]  __x64_sys_bpf+0x397/0x4c0
[  527.187505]  ? bpf_prog_get+0x20/0x20
[  527.191324]  ? do_syscall_64+0x26/0x620
[  527.195301]  ? lockdep_hardirqs_on+0x415/0x5d0
[  527.199898]  ? trace_hardirqs_on+0x67/0x220
[  527.204219]  do_syscall_64+0xfd/0x620
[  527.208143]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  527.213346] RIP: 0033:0x45b349
[  527.216677] Code: Bad RIP value.
[  527.220038] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  527.227739] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  527.235019] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  527.242285] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  527.249548] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  527.256823] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  527.264123] warn_alloc_show_mem: 1 callbacks suppressed
[  527.264133] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  527.264135] Mem-Info:
[  527.264164] active_anon:162126 inactive_anon:206 isolated_anon:0
[  527.264164]  active_file:14 inactive_file:11 isolated_file:0
[  527.264164]  unevictable:0 dirty:0 writeback:0 unstable:0
[  527.264164]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  527.264164]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  527.264164]  free:10931 free_pcp:206 free_cma:0
[  527.269518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  527.276970] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  527.279395] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  527.312637] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  527.321972] Call Trace:
[  527.349645] 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
[  527.356949]  <IRQ>
[  527.382615] lowmem_reserve[]: 0 2545 2546 2546 2546
[  527.385228]  dump_stack+0x197/0x210
[  527.411442] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  527.413622]  warn_alloc.cold+0x7b/0x173
[  527.418601] lowmem_reserve[]: 0 0 1 1 1
[  527.422238]  ? zone_watermark_ok_safe+0x260/0x260
[  527.451140] 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
[  527.455137]  ? __cpuset_node_allowed+0x136/0x540
[  527.459099] lowmem_reserve[]: 0 0 0 0 0
[  527.463983]  ? __isolate_free_page+0x4c0/0x4c0
[  527.489719] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  527.494503]  ? wake_all_kswapds+0x14d/0x300
[  527.498453] lowmem_reserve[]: 0 0 0 0 0
[  527.503036]  __alloc_pages_slowpath+0x2214/0x2870
[  527.530606] 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
[  527.536022]  ? warn_alloc+0x110/0x110
[  527.539957] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  527.544805]  ? __lock_acquire+0x6ee/0x49c0
[  527.557264] 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
[  527.561622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.575111] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  527.580336]  ? should_fail+0x14d/0x85c
[  527.591004] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  527.596546]  ? __isolate_free_page+0x4c0/0x4c0
[  527.612153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  527.616245]  __alloc_pages_nodemask+0x617/0x750
[  527.625066] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  527.629660]  ? __alloc_pages_slowpath+0x2870/0x2870
[  527.638217] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  527.642899]  ? find_held_lock+0x35/0x130
[  527.651725] 281 total pagecache pages
[  527.657041]  cache_grow_begin+0x91/0x8c0
[  527.666389] 0 pages in swap cache
[  527.670467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.674242] Swap cache stats: add 0, delete 0, find 0/0
[  527.678347]  ? __cpuset_node_allowed+0x136/0x540
[  527.681811] Free swap  = 0kB
[  527.687385]  fallback_alloc+0x1fd/0x2d0
[  527.692726] Total swap = 0kB
[  527.692736] 1965979 pages RAM
[  527.697518]  ____cache_alloc_node+0x1be/0x1e0
[  527.700509] 0 pages HighMem/MovableOnly
[  527.700518] 341724 pages reserved
[  527.704503]  kmem_cache_alloc_node+0xe3/0x710
[  527.707484] 0 pages cma reserved
[  527.707556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  527.710603]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  527.715327] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  527.719211]  __alloc_skb+0xd5/0x5f0
[  527.722653] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  527.727163]  ? skb_trim+0x190/0x190
[  527.764684]  ? kasan_check_read+0x11/0x20
[  527.768840]  ndisc_alloc_skb+0x13c/0x340
[  527.772899]  ndisc_send_rs+0x35f/0x6e0
[  527.776784]  addrconf_rs_timer+0x30f/0x680
[  527.781162]  ? ipv6_get_lladdr+0x490/0x490
[  527.785399]  call_timer_fn+0x18d/0x720
[  527.789310]  ? ipv6_get_lladdr+0x490/0x490
[  527.793636]  ? process_timeout+0x40/0x40
[  527.797704]  ? run_timer_softirq+0x644/0x16a0
[  527.802205]  ? trace_hardirqs_on+0x67/0x220
[  527.806527]  ? ipv6_get_lladdr+0x490/0x490
[  527.810777]  run_timer_softirq+0x64f/0x16a0
[  527.815130]  ? add_timer+0xbe0/0xbe0
[  527.818869]  ? __lock_is_held+0xb6/0x140
[  527.823214]  __do_softirq+0x25c/0x921
[  527.827023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.832566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.838138]  irq_exit+0x180/0x1d0
[  527.841683]  smp_apic_timer_interrupt+0x13b/0x550
[  527.846543]  apic_timer_interrupt+0xf/0x20
[  527.850793]  </IRQ>
[  527.853055] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  527.858005] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  527.877441] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  527.885307] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  527.892615] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  527.899976] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  527.907492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  527.914781] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  527.922100]  ? mark_held_locks+0xb1/0x100
[  527.926265]  ? __netdev_alloc_skb+0x370/0x470
[  527.930789]  __build_skb+0x3e/0x310
[  527.934478]  __netdev_alloc_skb+0x2ba/0x470
[  527.938848]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  527.943702]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  527.949068]  ? find_held_lock+0x35/0x130
[  527.953142]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  527.957689]  ? check_preemption_disabled+0x48/0x290
[  527.962722]  ? prandom_u32_state+0x13/0x180
[  527.967061]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  527.972265]  ? kmem_cache_alloc+0x32a/0x700
[  527.976677]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  527.981623]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  527.987980]  process_one_work+0x989/0x1750
[  527.992233]  ? pwq_dec_nr_in_flight+0x320/0x320
[  527.997012]  ? lock_acquire+0x16f/0x3f0
[  528.000997]  ? kasan_check_write+0x14/0x20
[  528.005430]  ? do_raw_spin_lock+0xd7/0x250
[  528.009695]  worker_thread+0x98/0xe40
[  528.013908]  kthread+0x354/0x420
[  528.017283]  ? process_one_work+0x1750/0x1750
[  528.021797]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  528.027456]  ret_from_fork+0x24/0x30
[  528.031186] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  528.031253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  528.038998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  528.039003] Call Trace:
[  528.039010]  <IRQ>
[  528.039028]  dump_stack+0x197/0x210
[  528.039049]  warn_alloc.cold+0x7b/0x173
[  528.045796] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  528.055067]  ? zone_watermark_ok_safe+0x260/0x260
[  528.057725] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  528.059871]  ? __cpuset_node_allowed+0x136/0x540
[  528.092387]  ? __isolate_free_page+0x4c0/0x4c0
[  528.096985]  ? wake_all_kswapds+0x14d/0x300
[  528.102272]  __alloc_pages_slowpath+0x2214/0x2870
[  528.107130]  ? warn_alloc+0x110/0x110
[  528.110977]  ? __lock_acquire+0x6ee/0x49c0
[  528.115239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  528.120794]  ? should_fail+0x14d/0x85c
[  528.124698]  ? __isolate_free_page+0x4c0/0x4c0
[  528.129299]  __alloc_pages_nodemask+0x617/0x750
[  528.133999]  ? __alloc_pages_slowpath+0x2870/0x2870
[  528.139034]  ? find_held_lock+0x35/0x130
[  528.143113]  cache_grow_begin+0x91/0x8c0
[  528.147263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.152825]  ? __cpuset_node_allowed+0x136/0x540
[  528.157584]  fallback_alloc+0x1fd/0x2d0
[  528.161678]  ____cache_alloc_node+0x1be/0x1e0
[  528.166193]  kmem_cache_alloc_node+0xe3/0x710
[  528.170695]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  528.174931]  __alloc_skb+0xd5/0x5f0
[  528.178675]  ? skb_trim+0x190/0x190
[  528.182302]  ? kasan_check_read+0x11/0x20
[  528.186467]  ndisc_alloc_skb+0x13c/0x340
[  528.190532]  ndisc_send_rs+0x35f/0x6e0
[  528.194424]  addrconf_rs_timer+0x30f/0x680
[  528.198674]  ? ipv6_get_lladdr+0x490/0x490
[  528.202928]  call_timer_fn+0x18d/0x720
[  528.206851]  ? ipv6_get_lladdr+0x490/0x490
[  528.211215]  ? process_timeout+0x40/0x40
[  528.215308]  ? run_timer_softirq+0x644/0x16a0
[  528.219824]  ? trace_hardirqs_on+0x67/0x220
[  528.224432]  ? ipv6_get_lladdr+0x490/0x490
[  528.228677]  run_timer_softirq+0x64f/0x16a0
[  528.233054]  ? add_timer+0xbe0/0xbe0
[  528.236765]  ? __lock_is_held+0xb6/0x140
[  528.240843]  __do_softirq+0x25c/0x921
[  528.244654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.250196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.259308]  irq_exit+0x180/0x1d0
[  528.262796]  smp_apic_timer_interrupt+0x13b/0x550
[  528.267664]  apic_timer_interrupt+0xf/0x20
[  528.271903]  </IRQ>
[  528.274144] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  528.279070] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  528.298225] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  528.305960] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  528.313432] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  528.320727] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  528.328016] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  528.335305] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  528.342609]  ? finish_task_switch+0x146/0x7c0
[  528.347121]  skb_clone+0x156/0x3e0
[  528.350779]  bpf_clone_redirect+0xb2/0x480
[  528.355030]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  528.360147]  ? mark_held_locks+0x100/0x100
[  528.364524]  ? __schedule+0x86e/0x1dc0
[  528.368431]  ? retint_kernel+0x2d/0x2d
[  528.372342]  ? firmware_map_remove+0x1a7/0x1a7
[  528.376927]  ? bpf_test_run+0x146/0x430
[  528.380935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.386491]  ? check_preemption_disabled+0x48/0x290
[  528.391518]  ? lock_acquire+0x16f/0x3f0
[  528.395510]  ? kasan_check_read+0x11/0x20
[  528.399771]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  528.405066]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  528.410617]  bpf_test_run+0x10d/0x430
[  528.414443]  bpf_prog_test_run_skb+0x64b/0xb20
[  528.419045]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  528.423927]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  528.428804]  bpf_prog_test_run+0x129/0x1a0
[  528.433063]  __x64_sys_bpf+0x397/0x4c0
[  528.436962]  ? bpf_prog_get+0x20/0x20
[  528.440792]  ? do_syscall_64+0x26/0x620
[  528.444814]  ? lockdep_hardirqs_on+0x415/0x5d0
[  528.449493]  ? trace_hardirqs_on+0x67/0x220
[  528.454051]  do_syscall_64+0xfd/0x620
[  528.457864]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  528.463056] RIP: 0033:0x45b349
[  528.466258] Code: Bad RIP value.
[  528.469632] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  528.477352] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  528.484629] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  528.491910] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  528.499172] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  528.506443] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  528.513733] warn_alloc_show_mem: 1 callbacks suppressed
[  528.513743] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  528.513745] Mem-Info:
[  528.513775] active_anon:162126 inactive_anon:206 isolated_anon:0
[  528.513775]  active_file:14 inactive_file:11 isolated_file:0
[  528.513775]  unevictable:0 dirty:0 writeback:0 unstable:0
[  528.513775]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  528.513775]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  528.513775]  free:10931 free_pcp:206 free_cma:0
[  528.519115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  528.526677] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  528.529089] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  528.562343] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  528.562353] 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
[  528.571730] Call Trace:
[  528.599574] lowmem_reserve[]: 0 2545 2546 2546 2546
[  528.606702]  <IRQ>
[  528.632384] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  528.658521]  dump_stack+0x197/0x210
[  528.661081] lowmem_reserve[]: 0 0 1 1 1
[  528.666097]  warn_alloc.cold+0x7b/0x173
[  528.668221] 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
[  528.697046]  ? zone_watermark_ok_safe+0x260/0x260
[  528.700779] lowmem_reserve[]: 0 0 0 0 0
[  528.705922]  ? __cpuset_node_allowed+0x136/0x540
[  528.709869] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  528.735913]  ? __isolate_free_page+0x4c0/0x4c0
[  528.740751] lowmem_reserve[]: 0 0 0 0 0
[  528.744832]  ? wake_all_kswapds+0x14d/0x300
[  528.749580] 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
[  528.777103]  __alloc_pages_slowpath+0x2214/0x2870
[  528.781663] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  528.785652]  ? warn_alloc+0x110/0x110
[  528.790725] 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
[  528.803343]  ? __lock_acquire+0x6ee/0x49c0
[  528.808299] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  528.821782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  528.825664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  528.836342]  ? should_fail+0x14d/0x85c
[  528.840570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  528.856214]  ? __isolate_free_page+0x4c0/0x4c0
[  528.861744] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  528.870594]  __alloc_pages_nodemask+0x617/0x750
[  528.874470] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  528.883054]  ? __alloc_pages_slowpath+0x2870/0x2870
[  528.887622] 281 total pagecache pages
[  528.896583]  ? find_held_lock+0x35/0x130
[  528.901248] 0 pages in swap cache
[  528.909854]  cache_grow_begin+0x91/0x8c0
[  528.914846] Swap cache stats: add 0, delete 0, find 0/0
[  528.914855] Free swap  = 0kB
[  528.918750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.922786] Total swap = 0kB
[  528.922796] 1965979 pages RAM
[  528.926278]  ? __cpuset_node_allowed+0x136/0x540
[  528.930327] 0 pages HighMem/MovableOnly
[  528.935687]  fallback_alloc+0x1fd/0x2d0
[  528.938683] 341724 pages reserved
[  528.938692] 0 pages cma reserved
[  528.944268]  ____cache_alloc_node+0x1be/0x1e0
[  528.947438] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  528.950487]  kmem_cache_alloc_node+0xe3/0x710
[  528.955318] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  528.959216]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  528.963178] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  528.966643]  __alloc_skb+0xd5/0x5f0
[  529.009786]  ? skb_trim+0x190/0x190
[  529.013409]  ? kasan_check_read+0x11/0x20
[  529.017578]  ndisc_alloc_skb+0x13c/0x340
[  529.021651]  ndisc_send_rs+0x35f/0x6e0
[  529.026099]  addrconf_rs_timer+0x30f/0x680
[  529.030368]  ? ipv6_get_lladdr+0x490/0x490
[  529.034619]  call_timer_fn+0x18d/0x720
[  529.038504]  ? ipv6_get_lladdr+0x490/0x490
[  529.042765]  ? process_timeout+0x40/0x40
[  529.046959]  ? run_timer_softirq+0x644/0x16a0
[  529.051486]  ? trace_hardirqs_on+0x67/0x220
[  529.055811]  ? ipv6_get_lladdr+0x490/0x490
[  529.060073]  run_timer_softirq+0x64f/0x16a0
[  529.064408]  ? add_timer+0xbe0/0xbe0
[  529.068262]  ? __lock_is_held+0xb6/0x140
[  529.072344]  __do_softirq+0x25c/0x921
[  529.076145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.081800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.087370]  irq_exit+0x180/0x1d0
[  529.090851]  smp_apic_timer_interrupt+0x13b/0x550
[  529.095702]  apic_timer_interrupt+0xf/0x20
[  529.099941]  </IRQ>
[  529.102186] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  529.110670] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  529.129679] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  529.137498] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  529.144778] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  529.152509] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  529.159871] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  529.167222] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  529.175496]  ? mark_held_locks+0xb1/0x100
[  529.179665]  ? __netdev_alloc_skb+0x370/0x470
[  529.184162]  __build_skb+0x3e/0x310
[  529.187787]  __netdev_alloc_skb+0x2ba/0x470
[  529.192233]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  529.197074]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  529.202448]  ? find_held_lock+0x35/0x130
[  529.206528]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  529.210957]  ? check_preemption_disabled+0x48/0x290
[  529.215972]  ? prandom_u32_state+0x13/0x180
[  529.220316]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  529.225526]  ? kmem_cache_alloc+0x32a/0x700
[  529.229868]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  529.234817]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  529.241150]  process_one_work+0x989/0x1750
[  529.245389]  ? pwq_dec_nr_in_flight+0x320/0x320
[  529.250064]  ? lock_acquire+0x16f/0x3f0
[  529.254081]  ? kasan_check_write+0x14/0x20
[  529.258493]  ? do_raw_spin_lock+0xd7/0x250
[  529.262731]  worker_thread+0x98/0xe40
[  529.266553]  kthread+0x354/0x420
[  529.269946]  ? process_one_work+0x1750/0x1750
[  529.274477]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  529.280029]  ret_from_fork+0x24/0x30
[  529.283756] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  529.283818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  529.291561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  529.291571] Call Trace:
[  529.298187] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  529.307452]  <IRQ>
[  529.310113] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  529.320619]  dump_stack+0x197/0x210
[  529.331329]  warn_alloc.cold+0x7b/0x173
[  529.335301]  ? zone_watermark_ok_safe+0x260/0x260
[  529.340310]  ? __cpuset_node_allowed+0x136/0x540
[  529.345114]  ? __isolate_free_page+0x4c0/0x4c0
[  529.349756]  ? wake_all_kswapds+0x14d/0x300
[  529.354201]  __alloc_pages_slowpath+0x2214/0x2870
[  529.359057]  ? warn_alloc+0x110/0x110
[  529.362868]  ? __lock_acquire+0x6ee/0x49c0
[  529.367110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.372678]  ? should_fail+0x14d/0x85c
[  529.376589]  ? __isolate_free_page+0x4c0/0x4c0
[  529.381277]  __alloc_pages_nodemask+0x617/0x750
[  529.386183]  ? __alloc_pages_slowpath+0x2870/0x2870
[  529.391412]  ? find_held_lock+0x35/0x130
[  529.395661]  cache_grow_begin+0x91/0x8c0
[  529.399723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.405447]  ? __cpuset_node_allowed+0x136/0x540
[  529.410298]  fallback_alloc+0x1fd/0x2d0
[  529.414297]  ____cache_alloc_node+0x1be/0x1e0
[  529.418813]  kmem_cache_alloc_node+0xe3/0x710
[  529.423331]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  529.427674]  __alloc_skb+0xd5/0x5f0
[  529.431412]  ? skb_trim+0x190/0x190
[  529.435059]  ? kasan_check_read+0x11/0x20
[  529.439240]  ndisc_alloc_skb+0x13c/0x340
[  529.443314]  ndisc_send_rs+0x35f/0x6e0
[  529.447219]  addrconf_rs_timer+0x30f/0x680
[  529.451658]  ? ipv6_get_lladdr+0x490/0x490
[  529.456130]  call_timer_fn+0x18d/0x720
[  529.460298]  ? ipv6_get_lladdr+0x490/0x490
[  529.464681]  ? process_timeout+0x40/0x40
[  529.468750]  ? run_timer_softirq+0x644/0x16a0
[  529.473333]  ? trace_hardirqs_on+0x67/0x220
[  529.477668]  ? ipv6_get_lladdr+0x490/0x490
[  529.481979]  run_timer_softirq+0x64f/0x16a0
[  529.486507]  ? add_timer+0xbe0/0xbe0
[  529.490220]  ? __lock_is_held+0xb6/0x140
[  529.494508]  __do_softirq+0x25c/0x921
[  529.498483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.504189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.509936]  irq_exit+0x180/0x1d0
[  529.513432]  smp_apic_timer_interrupt+0x13b/0x550
[  529.518341]  apic_timer_interrupt+0xf/0x20
[  529.522583]  </IRQ>
[  529.524840] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  529.529899] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  529.548814] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  529.556532] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  529.563805] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  529.571069] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  529.578433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  529.585706] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  529.593020]  ? finish_task_switch+0x146/0x7c0
[  529.597523]  skb_clone+0x156/0x3e0
[  529.601077]  bpf_clone_redirect+0xb2/0x480
[  529.605316]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  529.610384]  ? mark_held_locks+0x100/0x100
[  529.614644]  ? __schedule+0x86e/0x1dc0
[  529.618525]  ? retint_kernel+0x2d/0x2d
[  529.622427]  ? firmware_map_remove+0x1a7/0x1a7
[  529.627036]  ? bpf_test_run+0x146/0x430
[  529.631026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.636694]  ? check_preemption_disabled+0x48/0x290
[  529.641731]  ? lock_acquire+0x16f/0x3f0
[  529.645814]  ? kasan_check_read+0x11/0x20
[  529.649961]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  529.655567]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  529.661139]  bpf_test_run+0x10d/0x430
[  529.665102]  bpf_prog_test_run_skb+0x64b/0xb20
[  529.669709]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  529.674625]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  529.679537]  bpf_prog_test_run+0x129/0x1a0
[  529.683784]  __x64_sys_bpf+0x397/0x4c0
[  529.687684]  ? bpf_prog_get+0x20/0x20
[  529.691506]  ? do_syscall_64+0x26/0x620
[  529.695513]  ? lockdep_hardirqs_on+0x415/0x5d0
[  529.700111]  ? trace_hardirqs_on+0x67/0x220
[  529.704473]  do_syscall_64+0xfd/0x620
[  529.708405]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  529.713627] RIP: 0033:0x45b349
[  529.716834] Code: Bad RIP value.
[  529.720231] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  529.727956] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  529.735222] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  529.742500] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  529.749776] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  529.757057] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  529.764359] warn_alloc_show_mem: 1 callbacks suppressed
[  529.764370] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  529.764372] Mem-Info:
[  529.764402] active_anon:162126 inactive_anon:206 isolated_anon:0
[  529.764402]  active_file:14 inactive_file:11 isolated_file:0
[  529.764402]  unevictable:0 dirty:0 writeback:0 unstable:0
[  529.764402]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  529.764402]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  529.764402]  free:10931 free_pcp:206 free_cma:0
[  529.769755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  529.777221] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  529.779650] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  529.813267] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  529.822628] Call Trace:
[  529.852427] 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
[  529.860063]  <IRQ>
[  529.886004] lowmem_reserve[]: 0 2545 2546 2546 2546
[  529.888615]  dump_stack+0x197/0x210
[  529.916364] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  529.918710]  warn_alloc.cold+0x7b/0x173
[  529.923698] lowmem_reserve[]: 0 0 1 1 1
[  529.927343]  ? zone_watermark_ok_safe+0x260/0x260
[  529.957999] 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
[  529.962028]  ? __cpuset_node_allowed+0x136/0x540
[  529.965979] lowmem_reserve[]: 0 0 0 0 0
[  529.970828]  ? __isolate_free_page+0x4c0/0x4c0
[  529.999076] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  530.003857]  ? wake_all_kswapds+0x14d/0x300
[  530.007806] lowmem_reserve[]: 0 0 0 0 0
[  530.012426]  __alloc_pages_slowpath+0x2214/0x2870
[  530.040520] 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
[  530.044873]  ? warn_alloc+0x110/0x110
[  530.048811] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  530.053674]  ? __lock_acquire+0x6ee/0x49c0
[  530.066336] 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
[  530.070287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.083630] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  530.087901]  ? should_fail+0x14d/0x85c
[  530.098554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  530.104105]  ? __isolate_free_page+0x4c0/0x4c0
[  530.119814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  530.123717]  __alloc_pages_nodemask+0x617/0x750
[  530.132527] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  530.138184]  ? __alloc_pages_slowpath+0x2870/0x2870
[  530.146850] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  530.151545]  ? find_held_lock+0x35/0x130
[  530.160575] 281 total pagecache pages
[  530.165622]  cache_grow_begin+0x91/0x8c0
[  530.174551] 0 pages in swap cache
[  530.178732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.182529] Swap cache stats: add 0, delete 0, find 0/0
[  530.186695]  ? __cpuset_node_allowed+0x136/0x540
[  530.190147] Free swap  = 0kB
[  530.195713]  fallback_alloc+0x1fd/0x2d0
[  530.201142] Total swap = 0kB
[  530.206265]  ____cache_alloc_node+0x1be/0x1e0
[  530.209435] 1965979 pages RAM
[  530.213419]  kmem_cache_alloc_node+0xe3/0x710
[  530.216425] 0 pages HighMem/MovableOnly
[  530.220937]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  530.224111] 341724 pages reserved
[  530.224120] 0 pages cma reserved
[  530.228627]  __alloc_skb+0xd5/0x5f0
[  530.232648] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  530.236950]  ? skb_trim+0x190/0x190
[  530.236964]  ? kasan_check_read+0x11/0x20
[  530.236992]  ndisc_alloc_skb+0x13c/0x340
[  530.240508] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  530.243840]  ndisc_send_rs+0x35f/0x6e0
[  530.247459] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  530.253983]  addrconf_rs_timer+0x30f/0x680
[  530.290439]  ? ipv6_get_lladdr+0x490/0x490
[  530.294692]  call_timer_fn+0x18d/0x720
[  530.298789]  ? ipv6_get_lladdr+0x490/0x490
[  530.303238]  ? process_timeout+0x40/0x40
[  530.307323]  ? run_timer_softirq+0x644/0x16a0
[  530.311920]  ? trace_hardirqs_on+0x67/0x220
[  530.316256]  ? ipv6_get_lladdr+0x490/0x490
[  530.320668]  run_timer_softirq+0x64f/0x16a0
[  530.325016]  ? add_timer+0xbe0/0xbe0
[  530.328765]  ? __lock_is_held+0xb6/0x140
[  530.332939]  __do_softirq+0x25c/0x921
[  530.336808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.342492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.348059]  irq_exit+0x180/0x1d0
[  530.351805]  smp_apic_timer_interrupt+0x13b/0x550
[  530.356672]  apic_timer_interrupt+0xf/0x20
[  530.360923]  </IRQ>
[  530.363159] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  530.368196] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  530.387116] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  530.395632] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  530.402928] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  530.410392] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  530.418207] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  530.425598] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  530.433084]  ? mark_held_locks+0xb1/0x100
[  530.437243]  ? __netdev_alloc_skb+0x370/0x470
[  530.441779]  __build_skb+0x3e/0x310
[  530.445514]  __netdev_alloc_skb+0x2ba/0x470
[  530.450349]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  530.455220]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  530.460702]  ? find_held_lock+0x35/0x130
[  530.464794]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  530.469215]  ? check_preemption_disabled+0x48/0x290
[  530.474352]  ? prandom_u32_state+0x13/0x180
[  530.478884]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  530.484086]  ? kmem_cache_alloc+0x32a/0x700
[  530.488498]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  530.493735]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  530.500369]  process_one_work+0x989/0x1750
[  530.504634]  ? pwq_dec_nr_in_flight+0x320/0x320
[  530.509330]  ? lock_acquire+0x16f/0x3f0
[  530.513301]  ? kasan_check_write+0x14/0x20
[  530.517535]  ? do_raw_spin_lock+0xd7/0x250
[  530.521941]  worker_thread+0x98/0xe40
[  530.525782]  kthread+0x354/0x420
[  530.529276]  ? process_one_work+0x1750/0x1750
[  530.533889]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  530.539536]  ret_from_fork+0x24/0x30
[  530.543408] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  530.543469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  530.551485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  530.551496] Call Trace:
[  530.558258] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  530.567695]  <IRQ>
[  530.570283] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  530.580787]  dump_stack+0x197/0x210
[  530.591631]  warn_alloc.cold+0x7b/0x173
[  530.595625]  ? zone_watermark_ok_safe+0x260/0x260
[  530.600468]  ? __cpuset_node_allowed+0x136/0x540
[  530.605243]  ? __isolate_free_page+0x4c0/0x4c0
[  530.609854]  ? wake_all_kswapds+0x14d/0x300
[  530.614190]  __alloc_pages_slowpath+0x2214/0x2870
[  530.619142]  ? warn_alloc+0x110/0x110
[  530.622957]  ? __lock_acquire+0x6ee/0x49c0
[  530.627204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.632848]  ? should_fail+0x14d/0x85c
[  530.636741]  ? __isolate_free_page+0x4c0/0x4c0
[  530.641485]  __alloc_pages_nodemask+0x617/0x750
[  530.646169]  ? __alloc_pages_slowpath+0x2870/0x2870
[  530.651637]  ? find_held_lock+0x35/0x130
[  530.655767]  cache_grow_begin+0x91/0x8c0
[  530.659948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.665503]  ? __cpuset_node_allowed+0x136/0x540
[  530.670263]  fallback_alloc+0x1fd/0x2d0
[  530.674246]  ____cache_alloc_node+0x1be/0x1e0
[  530.678773]  kmem_cache_alloc_node+0xe3/0x710
[  530.683296]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  530.687588]  __alloc_skb+0xd5/0x5f0
[  530.691245]  ? skb_trim+0x190/0x190
[  530.694955]  ? kasan_check_read+0x11/0x20
[  530.699635]  ndisc_alloc_skb+0x13c/0x340
[  530.703799]  ndisc_send_rs+0x35f/0x6e0
[  530.707785]  addrconf_rs_timer+0x30f/0x680
[  530.712140]  ? ipv6_get_lladdr+0x490/0x490
[  530.716451]  call_timer_fn+0x18d/0x720
[  530.720358]  ? ipv6_get_lladdr+0x490/0x490
[  530.724599]  ? process_timeout+0x40/0x40
[  530.728789]  ? run_timer_softirq+0x644/0x16a0
[  530.733298]  ? trace_hardirqs_on+0x67/0x220
[  530.737660]  ? ipv6_get_lladdr+0x490/0x490
[  530.741900]  run_timer_softirq+0x64f/0x16a0
[  530.746282]  ? add_timer+0xbe0/0xbe0
[  530.750107]  ? __lock_is_held+0xb6/0x140
[  530.754265]  __do_softirq+0x25c/0x921
[  530.758076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.763627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.769199]  irq_exit+0x180/0x1d0
[  530.772664]  smp_apic_timer_interrupt+0x13b/0x550
[  530.777516]  apic_timer_interrupt+0xf/0x20
[  530.781943]  </IRQ>
[  530.784193] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  530.789224] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  530.808139] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  530.815896] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  530.823197] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  530.830480] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  530.837854] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  530.845445] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  530.852847]  ? finish_task_switch+0x146/0x7c0
[  530.857344]  skb_clone+0x156/0x3e0
[  530.861099]  bpf_clone_redirect+0xb2/0x480
[  530.865354]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  530.870381]  ? mark_held_locks+0x100/0x100
[  530.874631]  ? __schedule+0x86e/0x1dc0
[  530.878517]  ? retint_kernel+0x2d/0x2d
[  530.882517]  ? firmware_map_remove+0x1a7/0x1a7
[  530.887121]  ? bpf_test_run+0x146/0x430
[  530.891376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.897391]  ? check_preemption_disabled+0x48/0x290
[  530.902699]  ? lock_acquire+0x16f/0x3f0
[  530.907141]  ? kasan_check_read+0x11/0x20
[  530.917401]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  530.922906]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  530.928460]  bpf_test_run+0x10d/0x430
[  530.932304]  bpf_prog_test_run_skb+0x64b/0xb20
[  530.937009]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  530.941997]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  530.947219]  bpf_prog_test_run+0x129/0x1a0
[  530.951827]  __x64_sys_bpf+0x397/0x4c0
[  530.955988]  ? bpf_prog_get+0x20/0x20
[  530.960354]  ? do_syscall_64+0x26/0x620
[  530.964927]  ? lockdep_hardirqs_on+0x415/0x5d0
[  530.969812]  ? trace_hardirqs_on+0x67/0x220
[  530.974334]  do_syscall_64+0xfd/0x620
[  530.979835]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  530.985193] RIP: 0033:0x45b349
[  530.988507] Code: Bad RIP value.
[  530.992008] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  531.000203] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  531.007678] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  531.015310] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  531.023347] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  531.030620] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  531.037997] warn_alloc_show_mem: 1 callbacks suppressed
[  531.038008] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  531.038010] Mem-Info:
[  531.038039] active_anon:162126 inactive_anon:206 isolated_anon:0
[  531.038039]  active_file:14 inactive_file:11 isolated_file:0
[  531.038039]  unevictable:0 dirty:0 writeback:0 unstable:0
[  531.038039]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  531.038039]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  531.038039]  free:10931 free_pcp:206 free_cma:0
[  531.043384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  531.043410] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  531.050859] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  531.053263] Call Trace:
[  531.086526] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  531.095879]  <IRQ>
[  531.102993] 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
[  531.130610]  dump_stack+0x197/0x210
[  531.133175] lowmem_reserve[]: 0 2545 2546 2546 2546
[  531.158869]  warn_alloc.cold+0x7b/0x173
[  531.160993] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  531.187227]  ? zone_watermark_ok_safe+0x260/0x260
[  531.190827] lowmem_reserve[]: 0 0 1 1 1
[  531.195848]  ? __cpuset_node_allowed+0x136/0x540
[  531.199952] 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
[  531.229553]  ? __isolate_free_page+0x4c0/0x4c0
[  531.234381] lowmem_reserve[]: 0 0 0 0 0
[  531.238379]  ? wake_all_kswapds+0x14d/0x300
[  531.243106] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  531.269103]  __alloc_pages_slowpath+0x2214/0x2870
[  531.269136]  ? warn_alloc+0x110/0x110
[  531.274133] lowmem_reserve[]: 0 0 0 0 0
[  531.278131]  ? __lock_acquire+0x6ee/0x49c0
[  531.282427] 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
[  531.310082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.314917] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  531.318723]  ? should_fail+0x14d/0x85c
[  531.322683] 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
[  531.327032]  ? __isolate_free_page+0x4c0/0x4c0
[  531.341676] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  531.347258]  __alloc_pages_nodemask+0x617/0x750
[  531.360597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  531.364495]  ? __alloc_pages_slowpath+0x2870/0x2870
[  531.375126] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  531.375141] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  531.379759]  ? find_held_lock+0x35/0x130
[  531.395359] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  531.400176]  cache_grow_begin+0x91/0x8c0
[  531.408995] 281 total pagecache pages
[  531.414015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.422582] 0 pages in swap cache
[  531.431440]  ? __cpuset_node_allowed+0x136/0x540
[  531.435481] Swap cache stats: add 0, delete 0, find 0/0
[  531.444063]  fallback_alloc+0x1fd/0x2d0
[  531.448107] Free swap  = 0kB
[  531.451932]  ____cache_alloc_node+0x1be/0x1e0
[  531.457458] Total swap = 0kB
[  531.457486] 1965979 pages RAM
[  531.460937]  kmem_cache_alloc_node+0xe3/0x710
[  531.465655] 0 pages HighMem/MovableOnly
[  531.465663] 341724 pages reserved
[  531.471032]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  531.474976] 0 pages cma reserved
[  531.475047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  531.478008]  __alloc_skb+0xd5/0x5f0
[  531.482630] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  531.485598]  ? skb_trim+0x190/0x190
[  531.488684] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  531.493191]  ? kasan_check_read+0x11/0x20
[  531.542237]  ndisc_alloc_skb+0x13c/0x340
[  531.546296]  ndisc_send_rs+0x35f/0x6e0
[  531.550194]  addrconf_rs_timer+0x30f/0x680
[  531.554445]  ? ipv6_get_lladdr+0x490/0x490
[  531.558695]  call_timer_fn+0x18d/0x720
[  531.562579]  ? ipv6_get_lladdr+0x490/0x490
[  531.566817]  ? process_timeout+0x40/0x40
[  531.570879]  ? run_timer_softirq+0x644/0x16a0
[  531.575385]  ? trace_hardirqs_on+0x67/0x220
[  531.579707]  ? ipv6_get_lladdr+0x490/0x490
[  531.583957]  run_timer_softirq+0x64f/0x16a0
[  531.588280]  ? add_timer+0xbe0/0xbe0
[  531.592594]  ? __lock_is_held+0xb6/0x140
[  531.596801]  __do_softirq+0x25c/0x921
[  531.600603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.606132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.611690]  irq_exit+0x180/0x1d0
[  531.615141]  smp_apic_timer_interrupt+0x13b/0x550
[  531.619993]  apic_timer_interrupt+0xf/0x20
[  531.624222]  </IRQ>
[  531.626467] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  531.631408] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  531.650573] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  531.658391] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  531.665678] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  531.673688] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  531.680963] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  531.688237] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  531.695541]  ? mark_held_locks+0xb1/0x100
[  531.699706]  ? __netdev_alloc_skb+0x370/0x470
[  531.704215]  __build_skb+0x3e/0x310
[  531.707843]  __netdev_alloc_skb+0x2ba/0x470
[  531.712165]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  531.717146]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  531.722521]  ? find_held_lock+0x35/0x130
[  531.726594]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  531.730999]  ? check_preemption_disabled+0x48/0x290
[  531.736010]  ? prandom_u32_state+0x13/0x180
[  531.740438]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  531.745646]  ? kmem_cache_alloc+0x32a/0x700
[  531.749985]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  531.754919]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  531.761238]  process_one_work+0x989/0x1750
[  531.765491]  ? pwq_dec_nr_in_flight+0x320/0x320
[  531.770166]  ? lock_acquire+0x16f/0x3f0
[  531.774139]  ? kasan_check_write+0x14/0x20
[  531.778365]  ? do_raw_spin_lock+0xd7/0x250
[  531.782608]  worker_thread+0x98/0xe40
[  531.786426]  kthread+0x354/0x420
[  531.789811]  ? process_one_work+0x1750/0x1750
[  531.794303]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  531.799970]  ret_from_fork+0x24/0x30
[  531.803700] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  531.803784] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  531.811497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  531.811506] Call Trace:
[  531.818180] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  531.827599]  <IRQ>
[  531.827627]  dump_stack+0x197/0x210
[  531.830427] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  531.840961]  warn_alloc.cold+0x7b/0x173
[  531.855814]  ? zone_watermark_ok_safe+0x260/0x260
[  531.860651]  ? __cpuset_node_allowed+0x136/0x540
[  531.865419]  ? __isolate_free_page+0x4c0/0x4c0
[  531.870007]  ? wake_all_kswapds+0x14d/0x300
[  531.874340]  __alloc_pages_slowpath+0x2214/0x2870
[  531.879206]  ? warn_alloc+0x110/0x110
[  531.883015]  ? __lock_acquire+0x6ee/0x49c0
[  531.887256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.892792]  ? should_fail+0x14d/0x85c
[  531.896688]  ? __isolate_free_page+0x4c0/0x4c0
[  531.901270]  __alloc_pages_nodemask+0x617/0x750
[  531.905948]  ? __alloc_pages_slowpath+0x2870/0x2870
[  531.910978]  ? find_held_lock+0x35/0x130
[  531.915054]  cache_grow_begin+0x91/0x8c0
[  531.919126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.924781]  ? __cpuset_node_allowed+0x136/0x540
[  531.929555]  fallback_alloc+0x1fd/0x2d0
[  531.933542]  ____cache_alloc_node+0x1be/0x1e0
[  531.938033]  kmem_cache_alloc_node+0xe3/0x710
[  531.942530]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  531.946767]  __alloc_skb+0xd5/0x5f0
[  531.950410]  ? skb_trim+0x190/0x190
[  531.954156]  ? kasan_check_read+0x11/0x20
[  531.958316]  ndisc_alloc_skb+0x13c/0x340
[  531.962426]  ndisc_send_rs+0x35f/0x6e0
[  531.966598]  addrconf_rs_timer+0x30f/0x680
[  531.970842]  ? ipv6_get_lladdr+0x490/0x490
[  531.975078]  call_timer_fn+0x18d/0x720
[  531.978988]  ? ipv6_get_lladdr+0x490/0x490
[  531.983228]  ? process_timeout+0x40/0x40
[  531.987290]  ? run_timer_softirq+0x644/0x16a0
[  531.991788]  ? trace_hardirqs_on+0x67/0x220
[  531.996135]  ? ipv6_get_lladdr+0x490/0x490
[  532.000370]  run_timer_softirq+0x64f/0x16a0
[  532.004715]  ? add_timer+0xbe0/0xbe0
[  532.008441]  ? __lock_is_held+0xb6/0x140
[  532.012521]  __do_softirq+0x25c/0x921
[  532.016329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.022695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.028249]  irq_exit+0x180/0x1d0
[  532.031713]  smp_apic_timer_interrupt+0x13b/0x550
[  532.036554]  apic_timer_interrupt+0xf/0x20
[  532.040805]  </IRQ>
[  532.043047] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  532.047980] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  532.066882] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  532.074594] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  532.081871] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  532.089141] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  532.096401] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  532.103681] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  532.110986]  ? finish_task_switch+0x146/0x7c0
[  532.115524]  skb_clone+0x156/0x3e0
[  532.119083]  bpf_clone_redirect+0xb2/0x480
[  532.123322]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  532.128360]  ? mark_held_locks+0x100/0x100
[  532.132719]  ? __schedule+0x86e/0x1dc0
[  532.136612]  ? retint_kernel+0x2d/0x2d
[  532.140519]  ? firmware_map_remove+0x1a7/0x1a7
[  532.145127]  ? bpf_test_run+0x146/0x430
[  532.149109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.154655]  ? check_preemption_disabled+0x48/0x290
[  532.159672]  ? lock_acquire+0x16f/0x3f0
[  532.163650]  ? kasan_check_read+0x11/0x20
[  532.167807]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  532.173010]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  532.178561]  bpf_test_run+0x10d/0x430
[  532.182386]  bpf_prog_test_run_skb+0x64b/0xb20
[  532.187007]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  532.191862]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  532.196699]  bpf_prog_test_run+0x129/0x1a0
[  532.200945]  __x64_sys_bpf+0x397/0x4c0
[  532.204985]  ? bpf_prog_get+0x20/0x20
[  532.208804]  ? do_syscall_64+0x26/0x620
[  532.212791]  ? lockdep_hardirqs_on+0x415/0x5d0
[  532.217388]  ? trace_hardirqs_on+0x67/0x220
[  532.221722]  do_syscall_64+0xfd/0x620
[  532.225522]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  532.230816] RIP: 0033:0x45b349
[  532.234019] Code: Bad RIP value.
[  532.237385] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  532.245111] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  532.252425] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  532.259794] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  532.267065] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  532.274339] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  532.281642] warn_alloc_show_mem: 1 callbacks suppressed
[  532.281652] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  532.281654] Mem-Info:
[  532.281684] active_anon:162126 inactive_anon:206 isolated_anon:0
[  532.281684]  active_file:14 inactive_file:11 isolated_file:0
[  532.281684]  unevictable:0 dirty:0 writeback:0 unstable:0
[  532.281684]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  532.281684]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  532.281684]  free:10931 free_pcp:206 free_cma:0
[  532.287025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  532.294493] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  532.296900] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  532.330220] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  532.339564] Call Trace:
[  532.367150] 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
[  532.374272]  <IRQ>
[  532.399950] lowmem_reserve[]: 0 2545 2546 2546 2546
[  532.402540]  dump_stack+0x197/0x210
[  532.428684] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  532.430859]  warn_alloc.cold+0x7b/0x173
[  532.435841] lowmem_reserve[]: 0 0 1 1 1
[  532.439498]  ? zone_watermark_ok_safe+0x260/0x260
[  532.468285] 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
[  532.472281]  ? __cpuset_node_allowed+0x136/0x540
[  532.476233] lowmem_reserve[]: 0 0 0 0 0
[  532.481208]  ? __isolate_free_page+0x4c0/0x4c0
[  532.507060] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  532.511825]  ? wake_all_kswapds+0x14d/0x300
[  532.515781] lowmem_reserve[]: 0 0 0 0 0
[  532.520446]  __alloc_pages_slowpath+0x2214/0x2870
[  532.547933] 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
[  532.552308]  ? warn_alloc+0x110/0x110
[  532.556240] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  532.561102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.573638] 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
[  532.577451]  ? should_fail+0x14d/0x85c
[  532.591109] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  532.596671]  ? __isolate_free_page+0x4c0/0x4c0
[  532.607324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  532.611236]  __alloc_pages_nodemask+0x617/0x750
[  532.626821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  532.626840] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  532.631457]  ? __alloc_pages_slowpath+0x2870/0x2870
[  532.640303] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  532.644988]  cache_grow_begin+0x91/0x8c0
[  532.653539] 281 total pagecache pages
[  532.662422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.667420] 0 pages in swap cache
[  532.676002]  ? __cpuset_node_allowed+0x136/0x540
[  532.680036] Swap cache stats: add 0, delete 0, find 0/0
[  532.680045] Free swap  = 0kB
[  532.683842]  fallback_alloc+0x1fd/0x2d0
[  532.689501] Total swap = 0kB
[  532.692990]  ____cache_alloc_node+0x1be/0x1e0
[  532.697727] 1965979 pages RAM
[  532.703086]  kmem_cache_alloc_node+0xe3/0x710
[  532.706078] 0 pages HighMem/MovableOnly
[  532.710060]  ? trace_hardirqs_off+0x62/0x220
[  532.713059] 341724 pages reserved
[  532.717551]  __alloc_skb+0xd5/0x5f0
[  532.720631] 0 pages cma reserved
[  532.720703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  532.725148]  ? skb_trim+0x190/0x190
[  532.725162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.725175]  ? check_preemption_disabled+0x48/0x290
[  532.725192]  ? lock_acquire+0x16f/0x3f0
[  532.729200] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  532.733642]  new_skb+0x28/0x1d0
[  532.736999] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  532.740619]  aoecmd_cfg+0x1b5/0x640
[  532.791833]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  532.796158]  ? timer_reduce+0x11d0/0x11d0
[  532.800305]  discover_timer+0x4e/0x60
[  532.804121]  call_timer_fn+0x18d/0x720
[  532.808004]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  532.812667]  ? process_timeout+0x40/0x40
[  532.816735]  ? run_timer_softirq+0x644/0x16a0
[  532.821234]  ? trace_hardirqs_on+0x67/0x220
[  532.825563]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  532.830228]  run_timer_softirq+0x64f/0x16a0
[  532.834587]  ? add_timer+0xbe0/0xbe0
[  532.838311]  ? __lock_is_held+0xb6/0x140
[  532.842386]  __do_softirq+0x25c/0x921
[  532.846190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.851729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.857316]  irq_exit+0x180/0x1d0
[  532.860783]  smp_apic_timer_interrupt+0x13b/0x550
[  532.865641]  apic_timer_interrupt+0xf/0x20
[  532.869867]  </IRQ>
[  532.872112] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  532.877064] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  532.896085] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  532.903806] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  532.911081] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  532.918439] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  532.925711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  532.932984] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  532.940294]  ? mark_held_locks+0xb1/0x100
[  532.944472]  ? __netdev_alloc_skb+0x370/0x470
[  532.948968]  __build_skb+0x3e/0x310
[  532.952596]  __netdev_alloc_skb+0x2ba/0x470
[  532.957041]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  532.961881]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  532.967261]  ? find_held_lock+0x35/0x130
[  532.971348]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  532.975751]  ? check_preemption_disabled+0x48/0x290
[  532.980777]  ? prandom_u32_state+0x13/0x180
[  532.985115]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  532.990474]  ? kmem_cache_alloc+0x32a/0x700
[  532.994798]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  532.999764]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  533.006107]  process_one_work+0x989/0x1750
[  533.010496]  ? pwq_dec_nr_in_flight+0x320/0x320
[  533.015161]  ? lock_acquire+0x16f/0x3f0
[  533.019132]  ? kasan_check_write+0x14/0x20
[  533.023374]  ? do_raw_spin_lock+0xd7/0x250
[  533.027615]  worker_thread+0x98/0xe40
[  533.031427]  kthread+0x354/0x420
[  533.034811]  ? process_one_work+0x1750/0x1750
[  533.039304]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  533.044966]  ret_from_fork+0x24/0x30
[  533.048696] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  533.048754] aoe: skb alloc failure
[  533.056595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  533.056600] Call Trace:
[  533.056606]  <IRQ>
[  533.056625]  dump_stack+0x197/0x210
[  533.056644]  warn_alloc.cold+0x7b/0x173
[  533.056657]  ? zone_watermark_ok_safe+0x260/0x260
[  533.056675]  ? __cpuset_node_allowed+0x136/0x540
[  533.060236] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.069698]  ? __isolate_free_page+0x4c0/0x4c0
[  533.072252] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  533.074525]  ? wake_all_kswapds+0x14d/0x300
[  533.115998]  __alloc_pages_slowpath+0x2214/0x2870
[  533.120857]  ? warn_alloc+0x110/0x110
[  533.124654]  ? __lock_acquire+0x6ee/0x49c0
[  533.128892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.134479]  ? should_fail+0x14d/0x85c
[  533.138463]  ? __isolate_free_page+0x4c0/0x4c0
[  533.143079]  __alloc_pages_nodemask+0x617/0x750
[  533.147880]  ? __alloc_pages_slowpath+0x2870/0x2870
[  533.152919]  ? find_held_lock+0x35/0x130
[  533.157157]  cache_grow_begin+0x91/0x8c0
[  533.161220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.166776]  ? __cpuset_node_allowed+0x136/0x540
[  533.171548]  fallback_alloc+0x1fd/0x2d0
[  533.175556]  ____cache_alloc_node+0x1be/0x1e0
[  533.180047]  kmem_cache_alloc_node+0xe3/0x710
[  533.184658]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  533.188901]  __alloc_skb+0xd5/0x5f0
[  533.192633]  ? skb_trim+0x190/0x190
[  533.196279]  ? kasan_check_read+0x11/0x20
[  533.200446]  ndisc_alloc_skb+0x13c/0x340
[  533.204504]  ndisc_send_rs+0x35f/0x6e0
[  533.208420]  addrconf_rs_timer+0x30f/0x680
[  533.212661]  ? ipv6_get_lladdr+0x490/0x490
[  533.216909]  call_timer_fn+0x18d/0x720
[  533.220786]  ? ipv6_get_lladdr+0x490/0x490
[  533.225030]  ? process_timeout+0x40/0x40
[  533.229100]  ? run_timer_softirq+0x644/0x16a0
[  533.233688]  ? trace_hardirqs_on+0x67/0x220
[  533.238009]  ? ipv6_get_lladdr+0x490/0x490
[  533.242241]  run_timer_softirq+0x64f/0x16a0
[  533.246722]  ? add_timer+0xbe0/0xbe0
[  533.250461]  ? __lock_is_held+0xb6/0x140
[  533.254648]  __do_softirq+0x25c/0x921
[  533.258443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.263976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.269532]  irq_exit+0x180/0x1d0
[  533.272996]  smp_apic_timer_interrupt+0x13b/0x550
[  533.277858]  apic_timer_interrupt+0xf/0x20
[  533.282101]  </IRQ>
[  533.284341] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  533.289270] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  533.308278] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  533.315986] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  533.323259] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  533.330547] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  533.337810] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  533.345251] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  533.352560]  ? finish_task_switch+0x146/0x7c0
[  533.357081]  skb_clone+0x156/0x3e0
[  533.360638]  bpf_clone_redirect+0xb2/0x480
[  533.364968]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  533.370120]  ? mark_held_locks+0x100/0x100
[  533.374381]  ? __schedule+0x86e/0x1dc0
[  533.378291]  ? retint_kernel+0x2d/0x2d
[  533.382183]  ? firmware_map_remove+0x1a7/0x1a7
[  533.386766]  ? bpf_test_run+0x146/0x430
[  533.390756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.396293]  ? check_preemption_disabled+0x48/0x290
[  533.401315]  ? lock_acquire+0x16f/0x3f0
[  533.405294]  ? kasan_check_read+0x11/0x20
[  533.409448]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  533.414650]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  533.420189]  bpf_test_run+0x10d/0x430
[  533.424010]  bpf_prog_test_run_skb+0x64b/0xb20
[  533.428595]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  533.433438]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  533.438295]  bpf_prog_test_run+0x129/0x1a0
[  533.442551]  __x64_sys_bpf+0x397/0x4c0
[  533.446552]  ? bpf_prog_get+0x20/0x20
[  533.450365]  ? do_syscall_64+0x26/0x620
[  533.454348]  ? lockdep_hardirqs_on+0x415/0x5d0
[  533.458927]  ? trace_hardirqs_on+0x67/0x220
[  533.463287]  do_syscall_64+0xfd/0x620
[  533.467107]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  533.472302] RIP: 0033:0x45b349
[  533.475502] Code: Bad RIP value.
[  533.478856] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  533.486568] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  533.493948] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  533.501389] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  533.508670] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  533.515948] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  533.523263] warn_alloc_show_mem: 1 callbacks suppressed
[  533.523274] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  533.523276] Mem-Info:
[  533.523306] active_anon:162126 inactive_anon:206 isolated_anon:0
[  533.523306]  active_file:14 inactive_file:11 isolated_file:0
[  533.523306]  unevictable:0 dirty:0 writeback:0 unstable:0
[  533.523306]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  533.523306]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  533.523306]  free:10931 free_pcp:206 free_cma:0
[  533.528649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  533.528676] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  533.536242] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  533.538638] Call Trace:
[  533.571826] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  533.581169]  <IRQ>
[  533.588264] 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
[  533.616046]  dump_stack+0x197/0x210
[  533.618636] lowmem_reserve[]: 0 2545 2546 2546 2546
[  533.644701]  warn_alloc.cold+0x7b/0x173
[  533.646844] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  533.672972]  ? zone_watermark_ok_safe+0x260/0x260
[  533.676575] lowmem_reserve[]: 0 0 1 1 1
[  533.681716]  ? __cpuset_node_allowed+0x136/0x540
[  533.685665] 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
[  533.714713]  ? __isolate_free_page+0x4c0/0x4c0
[  533.719538] lowmem_reserve[]: 0 0 0 0 0
[  533.723526]  ? wake_all_kswapds+0x14d/0x300
[  533.728275] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  533.754149]  __alloc_pages_slowpath+0x2214/0x2870
[  533.758729] lowmem_reserve[]: 0 0 0 0 0
[  533.762746]  ? warn_alloc+0x110/0x110
[  533.767026] 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
[  533.794537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.799365] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  533.803356]  ? should_fail+0x14d/0x85c
[  533.807137] 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
[  533.819647]  ? __isolate_free_page+0x4c0/0x4c0
[  533.825166] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  533.838646]  __alloc_pages_nodemask+0x617/0x750
[  533.842512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  533.853175]  ? __alloc_pages_slowpath+0x2870/0x2870
[  533.857743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  533.857758] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  533.873401]  cache_grow_begin+0x91/0x8c0
[  533.878039] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  533.886897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.891935] 281 total pagecache pages
[  533.891955] 0 pages in swap cache
[  533.900660]  ? __cpuset_node_allowed+0x136/0x540
[  533.909479] Swap cache stats: add 0, delete 0, find 0/0
[  533.913556]  fallback_alloc+0x1fd/0x2d0
[  533.922111] Free swap  = 0kB
[  533.927795]  ____cache_alloc_node+0x1be/0x1e0
[  533.931581] Total swap = 0kB
[  533.935042]  kmem_cache_alloc_node+0xe3/0x710
[  533.939780] 1965979 pages RAM
[  533.945250]  __alloc_skb+0xd5/0x5f0
[  533.949191] 0 pages HighMem/MovableOnly
[  533.949200] 341724 pages reserved
[  533.952220]  ? skb_trim+0x190/0x190
[  533.956695] 0 pages cma reserved
[  533.956778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  533.959727]  ? check_preemption_disabled+0x48/0x290
[  533.964542] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.967310]  ? lock_acquire+0x16f/0x3f0
[  533.970918] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  533.974907]  new_skb+0x28/0x1d0
[  534.020053]  aoecmd_cfg+0x1b5/0x640
[  534.023740]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  534.028062]  ? timer_reduce+0x11d0/0x11d0
[  534.032244]  discover_timer+0x4e/0x60
[  534.036046]  call_timer_fn+0x18d/0x720
[  534.039964]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  534.044641]  ? process_timeout+0x40/0x40
[  534.048694]  ? run_timer_softirq+0x644/0x16a0
[  534.053203]  ? trace_hardirqs_on+0x67/0x220
[  534.057539]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  534.062226]  run_timer_softirq+0x64f/0x16a0
[  534.066550]  ? add_timer+0xbe0/0xbe0
[  534.070282]  ? __lock_is_held+0xb6/0x140
[  534.074352]  __do_softirq+0x25c/0x921
[  534.078160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.083755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.089310]  irq_exit+0x180/0x1d0
[  534.092763]  smp_apic_timer_interrupt+0x13b/0x550
[  534.097633]  apic_timer_interrupt+0xf/0x20
[  534.101856]  </IRQ>
[  534.104095] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  534.109019] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  534.128094] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  534.135923] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  534.143189] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  534.150595] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  534.157866] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  534.165225] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  534.172517]  ? mark_held_locks+0xb1/0x100
[  534.176665]  ? __netdev_alloc_skb+0x370/0x470
[  534.181181]  __build_skb+0x3e/0x310
[  534.184830]  __netdev_alloc_skb+0x2ba/0x470
[  534.189152]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  534.194002]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  534.199378]  ? find_held_lock+0x35/0x130
[  534.203443]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  534.207843]  ? check_preemption_disabled+0x48/0x290
[  534.212872]  ? prandom_u32_state+0x13/0x180
[  534.217192]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  534.222474]  ? kmem_cache_alloc+0x32a/0x700
[  534.226820]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  534.231767]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  534.238099]  process_one_work+0x989/0x1750
[  534.242339]  ? pwq_dec_nr_in_flight+0x320/0x320
[  534.247058]  ? lock_acquire+0x16f/0x3f0
[  534.251029]  ? kasan_check_write+0x14/0x20
[  534.255283]  ? do_raw_spin_lock+0xd7/0x250
[  534.259528]  worker_thread+0x98/0xe40
[  534.263469]  kthread+0x354/0x420
[  534.266844]  ? process_one_work+0x1750/0x1750
[  534.271407]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  534.276959]  ret_from_fork+0x24/0x30
[  534.280701] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  534.280761] aoe: skb alloc failure
[  534.288503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  534.288508] Call Trace:
[  534.288515]  <IRQ>
[  534.288531]  dump_stack+0x197/0x210
[  534.288552]  warn_alloc.cold+0x7b/0x173
[  534.292107] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  534.301455]  ? zone_watermark_ok_safe+0x260/0x260
[  534.304013] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  534.306154]  ? __cpuset_node_allowed+0x136/0x540
[  534.338747]  ? __isolate_free_page+0x4c0/0x4c0
[  534.343339]  ? wake_all_kswapds+0x14d/0x300
[  534.347785]  __alloc_pages_slowpath+0x2214/0x2870
[  534.352655]  ? warn_alloc+0x110/0x110
[  534.356547]  ? __lock_acquire+0x6ee/0x49c0
[  534.360800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.366362]  ? should_fail+0x14d/0x85c
[  534.370259]  ? __isolate_free_page+0x4c0/0x4c0
[  534.374845]  __alloc_pages_nodemask+0x617/0x750
[  534.379512]  ? __alloc_pages_slowpath+0x2870/0x2870
[  534.384541]  ? find_held_lock+0x35/0x130
[  534.388602]  cache_grow_begin+0x91/0x8c0
[  534.392672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.398203]  ? __cpuset_node_allowed+0x136/0x540
[  534.402967]  fallback_alloc+0x1fd/0x2d0
[  534.406954]  ____cache_alloc_node+0x1be/0x1e0
[  534.411459]  kmem_cache_alloc+0x1f3/0x700
[  534.415624]  ? mark_held_locks+0xb1/0x100
[  534.419790]  ? __netdev_alloc_skb+0x370/0x470
[  534.424300]  __build_skb+0x3e/0x310
[  534.427939]  __netdev_alloc_skb+0x2ba/0x470
[  534.432269]  send_hsr_supervision_frame+0x110/0xfc0
[  534.437329]  ? lock_acquire+0x16f/0x3f0
[  534.441326]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  534.446465]  hsr_announce+0x12f/0x3b0
[  534.450285]  call_timer_fn+0x18d/0x720
[  534.454173]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  534.459369]  ? process_timeout+0x40/0x40
[  534.463424]  ? run_timer_softirq+0x644/0x16a0
[  534.467930]  ? trace_hardirqs_on+0x67/0x220
[  534.472263]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  534.477461]  run_timer_softirq+0x64f/0x16a0
[  534.481784]  ? add_timer+0xbe0/0xbe0
[  534.485505]  ? __lock_is_held+0xb6/0x140
[  534.489703]  __do_softirq+0x25c/0x921
[  534.493515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.499071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.504742]  irq_exit+0x180/0x1d0
[  534.508193]  smp_apic_timer_interrupt+0x13b/0x550
[  534.513118]  apic_timer_interrupt+0xf/0x20
[  534.517353]  </IRQ>
[  534.519590] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  534.524513] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  534.543419] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  534.551135] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  534.558510] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  534.565924] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  534.573212] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  534.580490] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  534.587921]  ? finish_task_switch+0x146/0x7c0
[  534.592423]  skb_clone+0x156/0x3e0
[  534.595974]  bpf_clone_redirect+0xb2/0x480
[  534.600224]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  534.605261]  ? mark_held_locks+0x100/0x100
[  534.609517]  ? __schedule+0x86e/0x1dc0
[  534.613421]  ? retint_kernel+0x2d/0x2d
[  534.617328]  ? firmware_map_remove+0x1a7/0x1a7
[  534.621926]  ? bpf_test_run+0x146/0x430
[  534.625902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.631437]  ? check_preemption_disabled+0x48/0x290
[  534.636577]  ? lock_acquire+0x16f/0x3f0
[  534.640550]  ? kasan_check_read+0x11/0x20
[  534.644887]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  534.650091]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  534.655626]  bpf_test_run+0x10d/0x430
[  534.659449]  bpf_prog_test_run_skb+0x64b/0xb20
[  534.664051]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  534.668911]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  534.673755]  bpf_prog_test_run+0x129/0x1a0
[  534.678011]  __x64_sys_bpf+0x397/0x4c0
[  534.681905]  ? bpf_prog_get+0x20/0x20
[  534.685711]  ? do_syscall_64+0x26/0x620
[  534.689708]  ? lockdep_hardirqs_on+0x415/0x5d0
[  534.694286]  ? trace_hardirqs_on+0x67/0x220
[  534.698619]  do_syscall_64+0xfd/0x620
[  534.702437]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  534.707645] RIP: 0033:0x45b349
[  534.710852] Code: Bad RIP value.
[  534.714211] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  534.722032] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  534.729305] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  534.736577] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  534.743886] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  534.751167] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  534.758460] warn_alloc_show_mem: 1 callbacks suppressed
[  534.758470] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  534.758472] Mem-Info:
[  534.758503] active_anon:162126 inactive_anon:206 isolated_anon:0
[  534.758503]  active_file:14 inactive_file:11 isolated_file:0
[  534.758503]  unevictable:0 dirty:0 writeback:0 unstable:0
[  534.758503]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  534.758503]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  534.758503]  free:10931 free_pcp:206 free_cma:0
[  534.763847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  534.771332] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  534.773756] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  534.806913] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  534.816239] Call Trace:
[  534.843827] 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
[  534.850946]  <IRQ>
[  534.876732] lowmem_reserve[]: 0 2545 2546 2546 2546
[  534.879335]  dump_stack+0x197/0x210
[  534.905435] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  534.907608]  warn_alloc.cold+0x7b/0x173
[  534.912581] lowmem_reserve[]: 0 0 1 1 1
[  534.916227]  ? zone_watermark_ok_safe+0x260/0x260
[  534.945848] 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
[  534.949853]  ? __cpuset_node_allowed+0x136/0x540
[  534.953801] lowmem_reserve[]: 0 0 0 0 0
[  534.958666]  ? __isolate_free_page+0x4c0/0x4c0
[  534.984540] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  534.989317]  ? wake_all_kswapds+0x14d/0x300
[  534.993372] lowmem_reserve[]: 0 0 0 0 0
[  534.997984]  __alloc_pages_slowpath+0x2214/0x2870
[  535.025471] 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
[  535.029830]  ? warn_alloc+0x110/0x110
[  535.033797] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  535.038657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.052322] 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
[  535.056132]  ? should_fail+0x14d/0x85c
[  535.069563] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  535.075114]  ? __isolate_free_page+0x4c0/0x4c0
[  535.085851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  535.089750]  __alloc_pages_nodemask+0x617/0x750
[  535.105324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  535.105339] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  535.109924]  ? __alloc_pages_slowpath+0x2870/0x2870
[  535.118728] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  535.118740] 281 total pagecache pages
[  535.123422]  cache_grow_begin+0x91/0x8c0
[  535.131969] 0 pages in swap cache
[  535.140905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.145986] Swap cache stats: add 0, delete 0, find 0/0
[  535.145995] Free swap  = 0kB
[  535.154586]  ? __cpuset_node_allowed+0x136/0x540
[  535.158368] Total swap = 0kB
[  535.158381] 1965979 pages RAM
[  535.162455]  fallback_alloc+0x1fd/0x2d0
[  535.165892] 0 pages HighMem/MovableOnly
[  535.171436]  ____cache_alloc_node+0x1be/0x1e0
[  535.176769] 341724 pages reserved
[  535.176777] 0 pages cma reserved
[  535.179788]  kmem_cache_alloc_node+0xe3/0x710
[  535.184634] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  535.187557]  __alloc_skb+0xd5/0x5f0
[  535.190636] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  535.194605]  ? skb_trim+0x190/0x190
[  535.237552]  ? check_preemption_disabled+0x48/0x290
[  535.242574]  ? lock_acquire+0x16f/0x3f0
[  535.246553]  new_skb+0x28/0x1d0
[  535.249824]  aoecmd_cfg+0x1b5/0x640
[  535.253575]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  535.257907]  ? timer_reduce+0x11d0/0x11d0
[  535.262066]  discover_timer+0x4e/0x60
[  535.265877]  call_timer_fn+0x18d/0x720
[  535.269774]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  535.274434]  ? process_timeout+0x40/0x40
[  535.278498]  ? run_timer_softirq+0x644/0x16a0
[  535.283001]  ? trace_hardirqs_on+0x67/0x220
[  535.287429]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  535.292122]  run_timer_softirq+0x64f/0x16a0
[  535.296454]  ? add_timer+0xbe0/0xbe0
[  535.300780]  ? __lock_is_held+0xb6/0x140
[  535.304848]  __do_softirq+0x25c/0x921
[  535.308639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.314182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.319738]  irq_exit+0x180/0x1d0
[  535.323200]  smp_apic_timer_interrupt+0x13b/0x550
[  535.328046]  apic_timer_interrupt+0xf/0x20
[  535.332426]  </IRQ>
[  535.334662] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  535.339600] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  535.358515] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  535.366241] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  535.373504] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  535.380776] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  535.388047] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  535.395329] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  535.402754]  ? mark_held_locks+0xb1/0x100
[  535.406925]  ? __netdev_alloc_skb+0x370/0x470
[  535.411430]  __build_skb+0x3e/0x310
[  535.415073]  __netdev_alloc_skb+0x2ba/0x470
[  535.419409]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  535.424280]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  535.429673]  ? find_held_lock+0x35/0x130
[  535.434361]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  535.438793]  ? check_preemption_disabled+0x48/0x290
[  535.443807]  ? prandom_u32_state+0x13/0x180
[  535.448140]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  535.453356]  ? kmem_cache_alloc+0x32a/0x700
[  535.457733]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  535.462698]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  535.469030]  process_one_work+0x989/0x1750
[  535.473282]  ? pwq_dec_nr_in_flight+0x320/0x320
[  535.477965]  ? lock_acquire+0x16f/0x3f0
[  535.482125]  ? kasan_check_write+0x14/0x20
[  535.486365]  ? do_raw_spin_lock+0xd7/0x250
[  535.490613]  worker_thread+0x98/0xe40
[  535.494434]  kthread+0x354/0x420
[  535.497812]  ? process_one_work+0x1750/0x1750
[  535.502310]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  535.507857]  ret_from_fork+0x24/0x30
[  535.511642] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  535.511764] aoe: skb alloc failure
[  535.519441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  535.519446] Call Trace:
[  535.519452]  <IRQ>
[  535.519471]  dump_stack+0x197/0x210
[  535.519490]  warn_alloc.cold+0x7b/0x173
[  535.519508]  ? zone_watermark_ok_safe+0x260/0x260
[  535.523060] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  535.532395]  ? __cpuset_node_allowed+0x136/0x540
[  535.534953] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  535.537116]  ? __isolate_free_page+0x4c0/0x4c0
[  535.574139]  ? wake_all_kswapds+0x14d/0x300
[  535.578474]  __alloc_pages_slowpath+0x2214/0x2870
[  535.583328]  ? warn_alloc+0x110/0x110
[  535.587163]  ? __lock_acquire+0x6ee/0x49c0
[  535.591409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.596954]  ? should_fail+0x14d/0x85c
[  535.600842]  ? __isolate_free_page+0x4c0/0x4c0
[  535.605424]  __alloc_pages_nodemask+0x617/0x750
[  535.610195]  ? __alloc_pages_slowpath+0x2870/0x2870
[  535.615223]  ? find_held_lock+0x35/0x130
[  535.619288]  cache_grow_begin+0x91/0x8c0
[  535.623348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.628896]  ? __cpuset_node_allowed+0x136/0x540
[  535.633680]  fallback_alloc+0x1fd/0x2d0
[  535.637656]  ____cache_alloc_node+0x1be/0x1e0
[  535.642167]  kmem_cache_alloc+0x1f3/0x700
[  535.646325]  ? mark_held_locks+0xb1/0x100
[  535.650478]  ? __netdev_alloc_skb+0x370/0x470
[  535.654987]  __build_skb+0x3e/0x310
[  535.658627]  __netdev_alloc_skb+0x2ba/0x470
[  535.662964]  send_hsr_supervision_frame+0x110/0xfc0
[  535.667989]  ? lock_acquire+0x16f/0x3f0
[  535.672089]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  535.677205]  hsr_announce+0x12f/0x3b0
[  535.681017]  call_timer_fn+0x18d/0x720
[  535.684910]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  535.690096]  ? process_timeout+0x40/0x40
[  535.694157]  ? run_timer_softirq+0x644/0x16a0
[  535.698683]  ? trace_hardirqs_on+0x67/0x220
[  535.703032]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  535.708230]  run_timer_softirq+0x64f/0x16a0
[  535.712571]  ? add_timer+0xbe0/0xbe0
[  535.716281]  ? __lock_is_held+0xb6/0x140
[  535.720360]  __do_softirq+0x25c/0x921
[  535.724157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.729704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.735255]  irq_exit+0x180/0x1d0
[  535.738709]  smp_apic_timer_interrupt+0x13b/0x550
[  535.743587]  apic_timer_interrupt+0xf/0x20
[  535.747822]  </IRQ>
[  535.750058] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  535.754983] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  535.773995] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  535.781822] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  535.789109] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  535.796380] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  535.803649] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  535.810922] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  535.818225]  ? finish_task_switch+0x146/0x7c0
[  535.822733]  skb_clone+0x156/0x3e0
[  535.826282]  bpf_clone_redirect+0xb2/0x480
[  535.830518]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  535.835687]  ? mark_held_locks+0x100/0x100
[  535.839930]  ? __schedule+0x86e/0x1dc0
[  535.843832]  ? retint_kernel+0x2d/0x2d
[  535.847744]  ? firmware_map_remove+0x1a7/0x1a7
[  535.852335]  ? bpf_test_run+0x146/0x430
[  535.856312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.861859]  ? check_preemption_disabled+0x48/0x290
[  535.866969]  ? lock_acquire+0x16f/0x3f0
[  535.870976]  ? kasan_check_read+0x11/0x20
[  535.875129]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  535.880317]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  535.885877]  bpf_test_run+0x10d/0x430
[  535.889699]  bpf_prog_test_run_skb+0x64b/0xb20
[  535.894285]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  535.899145]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  535.903991]  bpf_prog_test_run+0x129/0x1a0
[  535.908240]  __x64_sys_bpf+0x397/0x4c0
[  535.912145]  ? bpf_prog_get+0x20/0x20
[  535.915952]  ? do_syscall_64+0x26/0x620
[  535.919947]  ? lockdep_hardirqs_on+0x415/0x5d0
[  535.924652]  ? trace_hardirqs_on+0x67/0x220
[  535.929003]  do_syscall_64+0xfd/0x620
[  535.932838]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  535.938465] RIP: 0033:0x45b349
[  535.941662] Code: Bad RIP value.
[  535.945018] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  535.952720] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  535.960110] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  535.967485] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  535.974856] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  535.982126] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  535.989412] warn_alloc_show_mem: 1 callbacks suppressed
[  535.989417] Mem-Info:
[  535.989435] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  535.994796] active_anon:162126 inactive_anon:206 isolated_anon:0
[  535.994796]  active_file:14 inactive_file:11 isolated_file:0
[  535.994796]  unevictable:0 dirty:0 writeback:0 unstable:0
[  535.994796]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  535.994796]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  535.994796]  free:10931 free_pcp:206 free_cma:0
[  535.997298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  535.997322] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  536.004796] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  536.037827] Call Trace:
[  536.037839]  <IRQ>
[  536.047224] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  536.054316]  dump_stack+0x197/0x210
[  536.081997] 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
[  536.084594]  warn_alloc.cold+0x7b/0x173
[  536.086718] lowmem_reserve[]: 0 2545 2546 2546 2546
[  536.112626]  ? zone_watermark_ok_safe+0x260/0x260
[  536.116246] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  536.142381]  ? __cpuset_node_allowed+0x136/0x540
[  536.146326] lowmem_reserve[]: 0 0 1 1 1
[  536.151368]  ? __isolate_free_page+0x4c0/0x4c0
[  536.156195] 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
[  536.185024]  ? wake_all_kswapds+0x14d/0x300
[  536.189756] lowmem_reserve[]: 0 0 0 0 0
[  536.193762]  __alloc_pages_slowpath+0x2214/0x2870
[  536.198557] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  536.224357]  ? warn_alloc+0x110/0x110
[  536.228645] lowmem_reserve[]: 0 0 0 0 0
[  536.232633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.237463] 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
[  536.265092]  ? should_fail+0x14d/0x85c
[  536.268868] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  536.272870]  ? __isolate_free_page+0x4c0/0x4c0
[  536.278395] 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
[  536.291086]  __alloc_pages_nodemask+0x617/0x750
[  536.294986] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  536.308375]  ? __alloc_pages_slowpath+0x2870/0x2870
[  536.312943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  536.323614]  cache_grow_begin+0x91/0x8c0
[  536.328252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  536.343992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.348991] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  536.357844]  ? __cpuset_node_allowed+0x136/0x540
[  536.361893] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  536.370484]  fallback_alloc+0x1fd/0x2d0
[  536.376005] 281 total pagecache pages
[  536.384859]  ____cache_alloc_node+0x1be/0x1e0
[  536.389594] 0 pages in swap cache
[  536.398235]  kmem_cache_alloc_node+0xe3/0x710
[  536.402187] Swap cache stats: add 0, delete 0, find 0/0
[  536.405989]  __alloc_skb+0xd5/0x5f0
[  536.410457] Free swap  = 0kB
[  536.410466] Total swap = 0kB
[  536.413926]  ? skb_trim+0x190/0x190
[  536.418404] 1965979 pages RAM
[  536.423888]  ? check_preemption_disabled+0x48/0x290
[  536.427497] 0 pages HighMem/MovableOnly
[  536.427507] 341724 pages reserved
[  536.430529]  ? lock_acquire+0x16f/0x3f0
[  536.433525] 0 pages cma reserved
[  536.433671] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  536.437169]  new_skb+0x28/0x1d0
[  536.440263] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  536.445289]  aoecmd_cfg+0x1b5/0x640
[  536.483012]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  536.487332]  ? timer_reduce+0x11d0/0x11d0
[  536.491506]  discover_timer+0x4e/0x60
[  536.495316]  call_timer_fn+0x18d/0x720
[  536.499212]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  536.503889]  ? process_timeout+0x40/0x40
[  536.507943]  ? run_timer_softirq+0x644/0x16a0
[  536.512452]  ? trace_hardirqs_on+0x67/0x220
[  536.516780]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  536.521461]  run_timer_softirq+0x64f/0x16a0
[  536.525796]  ? add_timer+0xbe0/0xbe0
[  536.529503]  ? __lock_is_held+0xb6/0x140
[  536.533573]  __do_softirq+0x25c/0x921
[  536.537385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.543017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.548571]  irq_exit+0x180/0x1d0
[  536.552028]  smp_apic_timer_interrupt+0x13b/0x550
[  536.556863]  apic_timer_interrupt+0xf/0x20
[  536.561108]  </IRQ>
[  536.563354] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  536.568283] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  536.587196] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  536.594910] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  536.602182] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  536.609454] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  536.616721] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  536.623986] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  536.631286]  ? mark_held_locks+0xb1/0x100
[  536.635445]  ? __netdev_alloc_skb+0x370/0x470
[  536.639950]  __build_skb+0x3e/0x310
[  536.643587]  __netdev_alloc_skb+0x2ba/0x470
[  536.647944]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  536.652793]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  536.658161]  ? find_held_lock+0x35/0x130
[  536.662226]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  536.666638]  ? check_preemption_disabled+0x48/0x290
[  536.671654]  ? prandom_u32_state+0x13/0x180
[  536.675985]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  536.681192]  ? kmem_cache_alloc+0x32a/0x700
[  536.685547]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  536.690496]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  536.696823]  process_one_work+0x989/0x1750
[  536.701062]  ? pwq_dec_nr_in_flight+0x320/0x320
[  536.705854]  ? lock_acquire+0x16f/0x3f0
[  536.709921]  ? kasan_check_write+0x14/0x20
[  536.714213]  ? do_raw_spin_lock+0xd7/0x250
[  536.718445]  worker_thread+0x98/0xe40
[  536.722282]  kthread+0x354/0x420
[  536.725666]  ? process_one_work+0x1750/0x1750
[  536.730286]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  536.735833]  ret_from_fork+0x24/0x30
[  536.739564] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  536.739623] aoe: skb alloc failure
[  536.747378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  536.747383] Call Trace:
[  536.747390]  <IRQ>
[  536.747410]  dump_stack+0x197/0x210
[  536.747429]  warn_alloc.cold+0x7b/0x173
[  536.751002] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  536.760337]  ? zone_watermark_ok_safe+0x260/0x260
[  536.762907] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  536.765055]  ? __cpuset_node_allowed+0x136/0x540
[  536.797590]  ? __isolate_free_page+0x4c0/0x4c0
[  536.802177]  ? wake_all_kswapds+0x14d/0x300
[  536.806499]  __alloc_pages_slowpath+0x2214/0x2870
[  536.811372]  ? warn_alloc+0x110/0x110
[  536.815181]  ? __lock_acquire+0x6ee/0x49c0
[  536.819407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.825225]  ? should_fail+0x14d/0x85c
[  536.829129]  ? __isolate_free_page+0x4c0/0x4c0
[  536.833717]  __alloc_pages_nodemask+0x617/0x750
[  536.838512]  ? __alloc_pages_slowpath+0x2870/0x2870
[  536.843535]  ? find_held_lock+0x35/0x130
[  536.847613]  cache_grow_begin+0x91/0x8c0
[  536.851699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.857241]  ? __cpuset_node_allowed+0x136/0x540
[  536.862016]  fallback_alloc+0x1fd/0x2d0
[  536.866034]  ____cache_alloc_node+0x1be/0x1e0
[  536.870552]  kmem_cache_alloc+0x1f3/0x700
[  536.874710]  ? mark_held_locks+0xb1/0x100
[  536.878874]  ? __netdev_alloc_skb+0x370/0x470
[  536.883381]  __build_skb+0x3e/0x310
[  536.887008]  __netdev_alloc_skb+0x2ba/0x470
[  536.891329]  send_hsr_supervision_frame+0x110/0xfc0
[  536.896367]  ? lock_acquire+0x16f/0x3f0
[  536.900352]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  536.905388]  hsr_announce+0x12f/0x3b0
[  536.909204]  call_timer_fn+0x18d/0x720
[  536.913099]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  536.918292]  ? process_timeout+0x40/0x40
[  536.922356]  ? run_timer_softirq+0x644/0x16a0
[  536.926854]  ? trace_hardirqs_on+0x67/0x220
[  536.931793]  ? send_hsr_supervision_frame+0xfc0/0xfc0
[  536.936984]  run_timer_softirq+0x64f/0x16a0
[  536.941337]  ? add_timer+0xbe0/0xbe0
[  536.945063]  ? __lock_is_held+0xb6/0x140
[  536.949141]  __do_softirq+0x25c/0x921
[  536.952941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.958483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.964050]  irq_exit+0x180/0x1d0
[  536.967513]  smp_apic_timer_interrupt+0x13b/0x550
[  536.972373]  apic_timer_interrupt+0xf/0x20
[  536.976625]  </IRQ>
[  536.978866] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  536.983790] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  537.002692] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  537.010390] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  537.017663] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  537.024960] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  537.032221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  537.039575] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  537.047052]  ? finish_task_switch+0x146/0x7c0
[  537.051562]  skb_clone+0x156/0x3e0
[  537.055115]  bpf_clone_redirect+0xb2/0x480
[  537.059364]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  537.064398]  ? mark_held_locks+0x100/0x100
[  537.068639]  ? __schedule+0x86e/0x1dc0
[  537.072526]  ? retint_kernel+0x2d/0x2d
[  537.076425]  ? firmware_map_remove+0x1a7/0x1a7
[  537.081002]  ? bpf_test_run+0x146/0x430
[  537.085001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.090549]  ? check_preemption_disabled+0x48/0x290
[  537.095572]  ? lock_acquire+0x16f/0x3f0
[  537.099555]  ? kasan_check_read+0x11/0x20
[  537.103709]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  537.108918]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  537.114451]  bpf_test_run+0x10d/0x430
[  537.118254]  bpf_prog_test_run_skb+0x64b/0xb20
[  537.122840]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  537.127714]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  537.132555]  bpf_prog_test_run+0x129/0x1a0
[  537.136792]  __x64_sys_bpf+0x397/0x4c0
[  537.140974]  ? bpf_prog_get+0x20/0x20
[  537.144775]  ? do_syscall_64+0x26/0x620
[  537.148742]  ? lockdep_hardirqs_on+0x415/0x5d0
[  537.153330]  ? trace_hardirqs_on+0x67/0x220
[  537.157700]  do_syscall_64+0xfd/0x620
[  537.161512]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  537.166704] RIP: 0033:0x45b349
[  537.169908] Code: Bad RIP value.
[  537.173263] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  537.180971] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  537.188244] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  537.195508] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  537.202793] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  537.210054] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  537.217343] warn_alloc_show_mem: 1 callbacks suppressed
[  537.217354] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  537.217356] Mem-Info:
[  537.217390] active_anon:162126 inactive_anon:206 isolated_anon:0
[  537.217390]  active_file:14 inactive_file:11 isolated_file:0
[  537.217390]  unevictable:0 dirty:0 writeback:0 unstable:0
[  537.217390]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  537.217390]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  537.217390]  free:10931 free_pcp:206 free_cma:0
[  537.222727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  537.230191] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  537.232605] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  537.267840] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  537.277292] Call Trace:
[  537.277305]  <IRQ>
[  537.304990] 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
[  537.312094]  dump_stack+0x197/0x210
[  537.337745] lowmem_reserve[]: 0 2545 2546 2546 2546
[  537.340364]  warn_alloc.cold+0x7b/0x173
[  537.342499] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  537.368826]  ? zone_watermark_ok_safe+0x260/0x260
[  537.372430] lowmem_reserve[]: 0 0 1 1 1
[  537.377466]  ? __cpuset_node_allowed+0x136/0x540
[  537.381417] 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
[  537.410467]  ? __isolate_free_page+0x4c0/0x4c0
[  537.415280] lowmem_reserve[]: 0 0 0 0 0
[  537.419413]  ? wake_all_kswapds+0x14d/0x300
[  537.424154] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  537.450053]  __alloc_pages_slowpath+0x2214/0x2870
[  537.454625] lowmem_reserve[]: 0 0 0 0 0
[  537.458654]  ? warn_alloc+0x110/0x110
[  537.462942] 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
[  537.490461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.495379] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  537.499358]  ? should_fail+0x14d/0x85c
[  537.503241] 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
[  537.515764]  ? __isolate_free_page+0x4c0/0x4c0
[  537.521283] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  537.534663]  __alloc_pages_nodemask+0x617/0x750
[  537.538536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  537.549324]  ? __alloc_pages_slowpath+0x2870/0x2870
[  537.553895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  537.569530]  cache_grow_begin+0x91/0x8c0
[  537.574184] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  537.583027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.588034] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  537.596618]  ? __cpuset_node_allowed+0x136/0x540
[  537.600667] 281 total pagecache pages
[  537.609600]  fallback_alloc+0x1fd/0x2d0
[  537.615205] 0 pages in swap cache
[  537.623792]  ____cache_alloc_node+0x1be/0x1e0
[  537.628532] Swap cache stats: add 0, delete 0, find 0/0
[  537.632355]  kmem_cache_alloc_node+0xe3/0x710
[  537.636319] Free swap  = 0kB
[  537.636328] Total swap = 0kB
[  537.639796]  __alloc_skb+0xd5/0x5f0
[  537.644261] 1965979 pages RAM
[  537.649649]  ? skb_trim+0x190/0x190
[  537.654126] 0 pages HighMem/MovableOnly
[  537.657144]  ? check_preemption_disabled+0x48/0x290
[  537.660150] 341724 pages reserved
[  537.660160] 0 pages cma reserved
[  537.663807]  ? lock_acquire+0x16f/0x3f0
[  537.667090] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  537.670532]  new_skb+0x28/0x1d0
[  537.674496] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  537.679528]  aoecmd_cfg+0x1b5/0x640
[  537.713345]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  537.717688]  ? timer_reduce+0x11d0/0x11d0
[  537.722073]  discover_timer+0x4e/0x60
[  537.725881]  call_timer_fn+0x18d/0x720
[  537.729767]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  537.734431]  ? process_timeout+0x40/0x40
[  537.738497]  ? run_timer_softirq+0x644/0x16a0
[  537.742993]  ? trace_hardirqs_on+0x67/0x220
[  537.747326]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  537.751990]  run_timer_softirq+0x64f/0x16a0
[  537.756331]  ? add_timer+0xbe0/0xbe0
[  537.760063]  ? __lock_is_held+0xb6/0x140
[  537.764154]  __do_softirq+0x25c/0x921
[  537.767960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.773624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.779261]  irq_exit+0x180/0x1d0
[  537.782724]  smp_apic_timer_interrupt+0x13b/0x550
[  537.787574]  apic_timer_interrupt+0xf/0x20
[  537.791803]  </IRQ>
[  537.794037] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  537.798990] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  537.817902] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  537.826654] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  537.834030] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  537.841302] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  537.848599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  537.855917] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  537.863220]  ? mark_held_locks+0xb1/0x100
[  537.867370]  ? __netdev_alloc_skb+0x370/0x470
[  537.871881]  __build_skb+0x3e/0x310
[  537.875518]  __netdev_alloc_skb+0x2ba/0x470
[  537.879837]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  537.884684]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  537.890055]  ? find_held_lock+0x35/0x130
[  537.894133]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  537.898545]  ? check_preemption_disabled+0x48/0x290
[  537.905218]  ? prandom_u32_state+0x13/0x180
[  537.909556]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  537.914762]  ? kmem_cache_alloc+0x32a/0x700
[  537.919092]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  537.924036]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  537.930532]  process_one_work+0x989/0x1750
[  537.934768]  ? pwq_dec_nr_in_flight+0x320/0x320
[  537.939441]  ? lock_acquire+0x16f/0x3f0
[  537.943446]  ? kasan_check_write+0x14/0x20
[  537.947707]  ? do_raw_spin_lock+0xd7/0x250
[  537.951945]  worker_thread+0x98/0xe40
[  537.955752]  kthread+0x354/0x420
[  537.959131]  ? process_one_work+0x1750/0x1750
[  537.963718]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  537.969263]  ret_from_fork+0x24/0x30
[  537.973000] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  537.973058] aoe: skb alloc failure
[  537.980803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  537.980808] Call Trace:
[  537.980814]  <IRQ>
[  537.980833]  dump_stack+0x197/0x210
[  537.980852]  warn_alloc.cold+0x7b/0x173
[  537.980870]  ? zone_watermark_ok_safe+0x260/0x260
[  537.984444] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  537.993758]  ? __cpuset_node_allowed+0x136/0x540
[  537.996318] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  537.998468]  ? __isolate_free_page+0x4c0/0x4c0
[  538.035710]  ? wake_all_kswapds+0x14d/0x300
[  538.040032]  __alloc_pages_slowpath+0x2214/0x2870
[  538.044908]  ? warn_alloc+0x110/0x110
[  538.048704]  ? __lock_acquire+0x6ee/0x49c0
[  538.052951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.058499]  ? should_fail+0x14d/0x85c
[  538.062406]  ? __isolate_free_page+0x4c0/0x4c0
[  538.067008]  __alloc_pages_nodemask+0x617/0x750
[  538.071678]  ? __alloc_pages_slowpath+0x2870/0x2870
[  538.076711]  ? find_held_lock+0x35/0x130
[  538.080784]  cache_grow_begin+0x91/0x8c0
[  538.084862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.090407]  ? __cpuset_node_allowed+0x136/0x540
[  538.095173]  fallback_alloc+0x1fd/0x2d0
[  538.099151]  ____cache_alloc_node+0x1be/0x1e0
[  538.103657]  kmem_cache_alloc_node+0xe3/0x710
[  538.108148]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  538.112396]  __alloc_skb+0xd5/0x5f0
[  538.116022]  ? skb_trim+0x190/0x190
[  538.119641]  ? kasan_check_read+0x11/0x20
[  538.123800]  ndisc_alloc_skb+0x13c/0x340
[  538.127866]  ndisc_send_rs+0x35f/0x6e0
[  538.131764]  addrconf_rs_timer+0x30f/0x680
[  538.136113]  ? ipv6_get_lladdr+0x490/0x490
[  538.140365]  call_timer_fn+0x18d/0x720
[  538.144510]  ? ipv6_get_lladdr+0x490/0x490
[  538.148748]  ? process_timeout+0x40/0x40
[  538.152801]  ? run_timer_softirq+0x644/0x16a0
[  538.157303]  ? trace_hardirqs_on+0x67/0x220
[  538.161650]  ? ipv6_get_lladdr+0x490/0x490
[  538.165881]  run_timer_softirq+0x64f/0x16a0
[  538.170317]  ? add_timer+0xbe0/0xbe0
[  538.174141]  ? __lock_is_held+0xb6/0x140
[  538.178206]  __do_softirq+0x25c/0x921
[  538.182045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.187586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.193139]  irq_exit+0x180/0x1d0
[  538.196628]  smp_apic_timer_interrupt+0x13b/0x550
[  538.201488]  apic_timer_interrupt+0xf/0x20
[  538.205779]  </IRQ>
[  538.208017] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  538.212947] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  538.231985] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  538.239739] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  538.247014] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  538.254275] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  538.261633] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  538.268945] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  538.276249]  ? finish_task_switch+0x146/0x7c0
[  538.280778]  skb_clone+0x156/0x3e0
[  538.284336]  bpf_clone_redirect+0xb2/0x480
[  538.288567]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  538.293614]  ? mark_held_locks+0x100/0x100
[  538.297860]  ? __schedule+0x86e/0x1dc0
[  538.301747]  ? retint_kernel+0x2d/0x2d
[  538.305635]  ? firmware_map_remove+0x1a7/0x1a7
[  538.310221]  ? bpf_test_run+0x146/0x430
[  538.314215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.319753]  ? check_preemption_disabled+0x48/0x290
[  538.324760]  ? lock_acquire+0x16f/0x3f0
[  538.328729]  ? kasan_check_read+0x11/0x20
[  538.332892]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  538.338090]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  538.343641]  bpf_test_run+0x10d/0x430
[  538.347445]  bpf_prog_test_run_skb+0x64b/0xb20
[  538.352031]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  538.357010]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  538.361870]  bpf_prog_test_run+0x129/0x1a0
[  538.366114]  __x64_sys_bpf+0x397/0x4c0
[  538.370010]  ? bpf_prog_get+0x20/0x20
[  538.373823]  ? do_syscall_64+0x26/0x620
[  538.377910]  ? lockdep_hardirqs_on+0x415/0x5d0
[  538.382499]  ? trace_hardirqs_on+0x67/0x220
[  538.386836]  do_syscall_64+0xfd/0x620
[  538.390647]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  538.395847] RIP: 0033:0x45b349
[  538.399050] Code: Bad RIP value.
[  538.402415] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  538.410122] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  538.417399] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  538.424799] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  538.432071] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  538.439343] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  538.446631] warn_alloc_show_mem: 1 callbacks suppressed
[  538.446641] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  538.446643] Mem-Info:
[  538.446673] active_anon:162126 inactive_anon:206 isolated_anon:0
[  538.446673]  active_file:14 inactive_file:11 isolated_file:0
[  538.446673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  538.446673]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  538.446673]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  538.446673]  free:10931 free_pcp:206 free_cma:0
[  538.452111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  538.459658] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  538.462066] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  538.495124] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  538.504481] Call Trace:
[  538.532178] 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
[  538.539284]  <IRQ>
[  538.564959] lowmem_reserve[]: 0 2545 2546 2546 2546
[  538.567561]  dump_stack+0x197/0x210
[  538.593675] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  538.595850]  warn_alloc.cold+0x7b/0x173
[  538.600861] lowmem_reserve[]: 0 0 1 1 1
[  538.604521]  ? zone_watermark_ok_safe+0x260/0x260
[  538.633537] 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
[  538.637536]  ? __cpuset_node_allowed+0x136/0x540
[  538.641489] lowmem_reserve[]: 0 0 0 0 0
[  538.646345]  ? __isolate_free_page+0x4c0/0x4c0
[  538.672216] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  538.676996]  ? wake_all_kswapds+0x14d/0x300
[  538.680958] lowmem_reserve[]: 0 0 0 0 0
[  538.685582]  __alloc_pages_slowpath+0x2214/0x2870
[  538.713077] 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
[  538.717446]  ? warn_alloc+0x110/0x110
[  538.721544] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  538.726418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.738936] 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
[  538.742744]  ? should_fail+0x14d/0x85c
[  538.756301] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  538.761870]  ? __isolate_free_page+0x4c0/0x4c0
[  538.772517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  538.776520]  __alloc_pages_nodemask+0x617/0x750
[  538.792113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  538.796721]  ? __alloc_pages_slowpath+0x2870/0x2870
[  538.805544] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  538.810239]  cache_grow_begin+0x91/0x8c0
[  538.818921] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  538.818931] 281 total pagecache pages
[  538.823965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.832876] 0 pages in swap cache
[  538.836961]  ? __cpuset_node_allowed+0x136/0x540
[  538.845537] Swap cache stats: add 0, delete 0, find 0/0
[  538.845547] Free swap  = 0kB
[  538.849379]  fallback_alloc+0x1fd/0x2d0
[  538.854898] Total swap = 0kB
[  538.858384]  ____cache_alloc_node+0x1be/0x1e0
[  538.863134] 1965979 pages RAM
[  538.869223]  kmem_cache_alloc_node+0xe3/0x710
[  538.872220] 0 pages HighMem/MovableOnly
[  538.872229] 341724 pages reserved
[  538.876222]  __alloc_skb+0xd5/0x5f0
[  538.879317] 0 pages cma reserved
[  538.879389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  538.883836]  ? skb_trim+0x190/0x190
[  538.883850]  ? check_preemption_disabled+0x48/0x290
[  538.883862]  ? lock_acquire+0x16f/0x3f0
[  538.883882]  new_skb+0x28/0x1d0
[  538.883899]  aoecmd_cfg+0x1b5/0x640
[  538.887170] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  538.891777]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  538.895731] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  538.899192]  ? timer_reduce+0x11d0/0x11d0
[  538.958305]  discover_timer+0x4e/0x60
[  538.962117]  call_timer_fn+0x18d/0x720
[  538.966000]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  538.970664]  ? process_timeout+0x40/0x40
[  538.974730]  ? run_timer_softirq+0x644/0x16a0
[  538.979240]  ? trace_hardirqs_on+0x67/0x220
[  538.983574]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  538.988271]  run_timer_softirq+0x64f/0x16a0
[  538.997127]  ? add_timer+0xbe0/0xbe0
[  539.001059]  ? __lock_is_held+0xb6/0x140
[  539.005139]  __do_softirq+0x25c/0x921
[  539.008952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.014482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.020037]  irq_exit+0x180/0x1d0
[  539.023489]  smp_apic_timer_interrupt+0x13b/0x550
[  539.028345]  apic_timer_interrupt+0xf/0x20
[  539.032574]  </IRQ>
[  539.034821] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  539.039750] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  539.058955] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  539.066667] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  539.073931] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  539.081209] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  539.088598] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  539.097549] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  539.105229]  ? mark_held_locks+0xb1/0x100
[  539.109408]  ? __netdev_alloc_skb+0x370/0x470
[  539.114020]  __build_skb+0x3e/0x310
[  539.117660]  __netdev_alloc_skb+0x2ba/0x470
[  539.121996]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  539.126837]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  539.132297]  ? find_held_lock+0x35/0x130
[  539.136376]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  539.140860]  ? check_preemption_disabled+0x48/0x290
[  539.145911]  ? prandom_u32_state+0x13/0x180
[  539.151191]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  539.156384]  ? kmem_cache_alloc+0x32a/0x700
[  539.160734]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  539.165683]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  539.172043]  process_one_work+0x989/0x1750
[  539.176282]  ? pwq_dec_nr_in_flight+0x320/0x320
[  539.180945]  ? lock_acquire+0x16f/0x3f0
[  539.185047]  ? kasan_check_write+0x14/0x20
[  539.189513]  ? do_raw_spin_lock+0xd7/0x250
[  539.193762]  worker_thread+0x98/0xe40
[  539.197570]  kthread+0x354/0x420
[  539.200932]  ? process_one_work+0x1750/0x1750
[  539.205425]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  539.210992]  ret_from_fork+0x24/0x30
[  539.214742] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  539.214800] aoe: skb alloc failure
[  539.222543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  539.222552] Call Trace:
[  539.226199] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  539.235468]  <IRQ>
[  539.238057] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  539.248481]  dump_stack+0x197/0x210
[  539.259176]  warn_alloc.cold+0x7b/0x173
[  539.263274]  ? zone_watermark_ok_safe+0x260/0x260
[  539.268424]  ? __cpuset_node_allowed+0x136/0x540
[  539.273199]  ? __isolate_free_page+0x4c0/0x4c0
[  539.277806]  ? wake_all_kswapds+0x14d/0x300
[  539.282153]  __alloc_pages_slowpath+0x2214/0x2870
[  539.287023]  ? warn_alloc+0x110/0x110
[  539.290835]  ? __lock_acquire+0x6ee/0x49c0
[  539.295081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.300629]  ? should_fail+0x14d/0x85c
[  539.304523]  ? __isolate_free_page+0x4c0/0x4c0
[  539.309148]  __alloc_pages_nodemask+0x617/0x750
[  539.313840]  ? __alloc_pages_slowpath+0x2870/0x2870
[  539.318907]  ? find_held_lock+0x35/0x130
[  539.323259]  cache_grow_begin+0x91/0x8c0
[  539.327557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.333102]  ? __cpuset_node_allowed+0x136/0x540
[  539.337870]  fallback_alloc+0x1fd/0x2d0
[  539.341877]  ____cache_alloc_node+0x1be/0x1e0
[  539.346415]  kmem_cache_alloc_node+0xe3/0x710
[  539.350933]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  539.355181]  __alloc_skb+0xd5/0x5f0
[  539.358805]  ? skb_trim+0x190/0x190
[  539.362451]  ? kasan_check_read+0x11/0x20
[  539.366616]  ndisc_alloc_skb+0x13c/0x340
[  539.370693]  ndisc_send_rs+0x35f/0x6e0
[  539.374709]  addrconf_rs_timer+0x30f/0x680
[  539.378972]  ? ipv6_get_lladdr+0x490/0x490
[  539.383314]  call_timer_fn+0x18d/0x720
[  539.387215]  ? ipv6_get_lladdr+0x490/0x490
[  539.391460]  ? process_timeout+0x40/0x40
[  539.395525]  ? run_timer_softirq+0x644/0x16a0
[  539.400050]  ? trace_hardirqs_on+0x67/0x220
[  539.404749]  ? ipv6_get_lladdr+0x490/0x490
[  539.409013]  run_timer_softirq+0x64f/0x16a0
[  539.413364]  ? add_timer+0xbe0/0xbe0
[  539.417085]  ? __lock_is_held+0xb6/0x140
[  539.421347]  __do_softirq+0x25c/0x921
[  539.425157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.430728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.436326]  irq_exit+0x180/0x1d0
[  539.439862]  smp_apic_timer_interrupt+0x13b/0x550
[  539.444766]  apic_timer_interrupt+0xf/0x20
[  539.448995]  </IRQ>
[  539.451243] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  539.456206] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  539.475240] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  539.482970] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  539.490269] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  539.497654] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  539.505039] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  539.512314] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  539.519852]  ? finish_task_switch+0x146/0x7c0
[  539.524447]  skb_clone+0x156/0x3e0
[  539.528020]  bpf_clone_redirect+0xb2/0x480
[  539.532284]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  539.537310]  ? mark_held_locks+0x100/0x100
[  539.541635]  ? __schedule+0x86e/0x1dc0
[  539.545526]  ? retint_kernel+0x2d/0x2d
[  539.549448]  ? firmware_map_remove+0x1a7/0x1a7
[  539.558922]  ? bpf_test_run+0x146/0x430
[  539.563001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.568534]  ? check_preemption_disabled+0x48/0x290
[  539.573557]  ? lock_acquire+0x16f/0x3f0
[  539.577636]  ? kasan_check_read+0x11/0x20
[  539.581781]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  539.587535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  539.593093]  bpf_test_run+0x10d/0x430
[  539.596913]  bpf_prog_test_run_skb+0x64b/0xb20
[  539.601598]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  539.606460]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  539.611313]  bpf_prog_test_run+0x129/0x1a0
[  539.615548]  __x64_sys_bpf+0x397/0x4c0
[  539.619451]  ? bpf_prog_get+0x20/0x20
[  539.623299]  ? do_syscall_64+0x26/0x620
[  539.627285]  ? lockdep_hardirqs_on+0x415/0x5d0
[  539.631879]  ? trace_hardirqs_on+0x67/0x220
[  539.636234]  do_syscall_64+0xfd/0x620
[  539.640034]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  539.645223] RIP: 0033:0x45b349
[  539.648428] Code: Bad RIP value.
[  539.651793] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  539.659506] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  539.666785] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  539.674188] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  539.681462] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  539.688730] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  539.696026] warn_alloc_show_mem: 1 callbacks suppressed
[  539.696036] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  539.696038] Mem-Info:
[  539.696069] active_anon:162126 inactive_anon:206 isolated_anon:0
[  539.696069]  active_file:14 inactive_file:11 isolated_file:0
[  539.696069]  unevictable:0 dirty:0 writeback:0 unstable:0
[  539.696069]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  539.696069]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  539.696069]  free:10931 free_pcp:206 free_cma:0
[  539.701410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  539.701435] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  539.708903] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  539.711644] Call Trace:
[  539.744808] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  539.754181]  <IRQ>
[  539.761280] 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
[  539.788883]  dump_stack+0x197/0x210
[  539.791463] lowmem_reserve[]: 0 2545 2546 2546 2546
[  539.817162]  warn_alloc.cold+0x7b/0x173
[  539.819300] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  539.845548]  ? zone_watermark_ok_safe+0x260/0x260
[  539.849163] lowmem_reserve[]: 0 0 1 1 1
[  539.854202]  ? __cpuset_node_allowed+0x136/0x540
[  539.858185] 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
[  539.887121]  ? __isolate_free_page+0x4c0/0x4c0
[  539.892028] lowmem_reserve[]: 0 0 0 0 0
[  539.896036]  ? wake_all_kswapds+0x14d/0x300
[  539.900787] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  539.926572]  __alloc_pages_slowpath+0x2214/0x2870
[  539.931126] lowmem_reserve[]: 0 0 0 0 0
[  539.935128]  ? warn_alloc+0x110/0x110
[  539.939426] 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
[  539.967609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.973130] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  539.977117]  ? should_fail+0x14d/0x85c
[  539.980894] 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
[  539.993876]  ? __isolate_free_page+0x4c0/0x4c0
[  539.999400] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  540.013301]  __alloc_pages_nodemask+0x617/0x750
[  540.017280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  540.028121]  ? __alloc_pages_slowpath+0x2870/0x2870
[  540.032695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  540.048319]  cache_grow_begin+0x91/0x8c0
[  540.052990] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  540.062024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.067030] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  540.075655]  ? __cpuset_node_allowed+0x136/0x540
[  540.079702] 281 total pagecache pages
[  540.088548]  fallback_alloc+0x1fd/0x2d0
[  540.094067] 0 pages in swap cache
[  540.102701]  ____cache_alloc_node+0x1be/0x1e0
[  540.107455] Swap cache stats: add 0, delete 0, find 0/0
[  540.107463] Free swap  = 0kB
[  540.111271]  kmem_cache_alloc_node+0xe3/0x710
[  540.115227] Total swap = 0kB
[  540.115237] 1965979 pages RAM
[  540.118701]  __alloc_skb+0xd5/0x5f0
[  540.123359] 0 pages HighMem/MovableOnly
[  540.123368] 341724 pages reserved
[  540.128835]  ? skb_trim+0x190/0x190
[  540.131823] 0 pages cma reserved
[  540.136418]  ? check_preemption_disabled+0x48/0x290
[  540.139500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  540.142658]  ? lock_acquire+0x16f/0x3f0
[  540.147478] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  540.151394]  new_skb+0x28/0x1d0
[  540.154834] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  540.158587]  aoecmd_cfg+0x1b5/0x640
[  540.200242]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  540.204605]  ? timer_reduce+0x11d0/0x11d0
[  540.208782]  discover_timer+0x4e/0x60
[  540.212701]  call_timer_fn+0x18d/0x720
[  540.216617]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  540.221307]  ? process_timeout+0x40/0x40
[  540.225367]  ? run_timer_softirq+0x644/0x16a0
[  540.229994]  ? trace_hardirqs_on+0x67/0x220
[  540.236333]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  540.241024]  run_timer_softirq+0x64f/0x16a0
[  540.245366]  ? add_timer+0xbe0/0xbe0
[  540.249105]  ? __lock_is_held+0xb6/0x140
[  540.253200]  __do_softirq+0x25c/0x921
[  540.257010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.262670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.268325]  irq_exit+0x180/0x1d0
[  540.271802]  smp_apic_timer_interrupt+0x13b/0x550
[  540.276648]  apic_timer_interrupt+0xf/0x20
[  540.280903]  </IRQ>
[  540.283171] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  540.288201] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  540.307634] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  540.315352] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  540.322642] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  540.329922] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  540.337192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  540.345539] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  540.352869]  ? mark_held_locks+0xb1/0x100
[  540.357028]  ? __netdev_alloc_skb+0x370/0x470
[  540.361664]  __build_skb+0x3e/0x310
[  540.365309]  __netdev_alloc_skb+0x2ba/0x470
[  540.369629]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  540.374481]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  540.379848]  ? find_held_lock+0x35/0x130
[  540.383935]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  540.388367]  ? check_preemption_disabled+0x48/0x290
[  540.393398]  ? prandom_u32_state+0x13/0x180
[  540.397726]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  540.402941]  ? kmem_cache_alloc+0x32a/0x700
[  540.407263]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  540.412210]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  540.418546]  process_one_work+0x989/0x1750
[  540.422813]  ? pwq_dec_nr_in_flight+0x320/0x320
[  540.427567]  ? lock_acquire+0x16f/0x3f0
[  540.431555]  ? kasan_check_write+0x14/0x20
[  540.435812]  ? do_raw_spin_lock+0xd7/0x250
[  540.440180]  worker_thread+0x98/0xe40
[  540.444016]  kthread+0x354/0x420
[  540.447387]  ? process_one_work+0x1750/0x1750
[  540.451902]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  540.457457]  ret_from_fork+0x24/0x30
[  540.461201] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  540.461261] aoe: skb alloc failure
[  540.469003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  540.469008] Call Trace:
[  540.469015]  <IRQ>
[  540.469036]  dump_stack+0x197/0x210
[  540.469057]  warn_alloc.cold+0x7b/0x173
[  540.472729] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  540.482153]  ? zone_watermark_ok_safe+0x260/0x260
[  540.484713] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  540.486868]  ? __cpuset_node_allowed+0x136/0x540
[  540.519479]  ? __isolate_free_page+0x4c0/0x4c0
[  540.524075]  ? wake_all_kswapds+0x14d/0x300
[  540.528518]  __alloc_pages_slowpath+0x2214/0x2870
[  540.533408]  ? warn_alloc+0x110/0x110
[  540.537217]  ? __lock_acquire+0x6ee/0x49c0
[  540.541449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.546994]  ? should_fail+0x14d/0x85c
[  540.550893]  ? __isolate_free_page+0x4c0/0x4c0
[  540.555483]  __alloc_pages_nodemask+0x617/0x750
[  540.560166]  ? __alloc_pages_slowpath+0x2870/0x2870
[  540.565201]  ? find_held_lock+0x35/0x130
[  540.569291]  cache_grow_begin+0x91/0x8c0
[  540.573364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.578924]  ? __cpuset_node_allowed+0x136/0x540
[  540.583692]  fallback_alloc+0x1fd/0x2d0
[  540.587699]  ____cache_alloc_node+0x1be/0x1e0
[  540.592197]  kmem_cache_alloc_node+0xe3/0x710
[  540.596707]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  540.600979]  __alloc_skb+0xd5/0x5f0
[  540.604648]  ? skb_trim+0x190/0x190
[  540.608387]  ? kasan_check_read+0x11/0x20
[  540.612544]  ndisc_alloc_skb+0x13c/0x340
[  540.616973]  ndisc_send_rs+0x35f/0x6e0
[  540.620865]  addrconf_rs_timer+0x30f/0x680
[  540.625116]  ? ipv6_get_lladdr+0x490/0x490
[  540.629545]  call_timer_fn+0x18d/0x720
[  540.633458]  ? ipv6_get_lladdr+0x490/0x490
[  540.637739]  ? process_timeout+0x40/0x40
[  540.641798]  ? run_timer_softirq+0x644/0x16a0
[  540.646338]  ? trace_hardirqs_on+0x67/0x220
[  540.650677]  ? ipv6_get_lladdr+0x490/0x490
[  540.654924]  run_timer_softirq+0x64f/0x16a0
[  540.659263]  ? add_timer+0xbe0/0xbe0
[  540.663006]  ? __lock_is_held+0xb6/0x140
[  540.667098]  __do_softirq+0x25c/0x921
[  540.670904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.676537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.682725]  irq_exit+0x180/0x1d0
[  540.686289]  smp_apic_timer_interrupt+0x13b/0x550
[  540.691143]  apic_timer_interrupt+0xf/0x20
[  540.695387]  </IRQ>
[  540.697628] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  540.702680] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  540.721798] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  540.729599] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  540.736872] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  540.744186] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  540.751477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  540.758872] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  540.766188]  ? finish_task_switch+0x146/0x7c0
[  540.770696]  skb_clone+0x156/0x3e0
[  540.774238]  bpf_clone_redirect+0xb2/0x480
[  540.778487]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  540.783512]  ? mark_held_locks+0x100/0x100
[  540.787757]  ? __schedule+0x86e/0x1dc0
[  540.791650]  ? retint_kernel+0x2d/0x2d
[  540.795555]  ? firmware_map_remove+0x1a7/0x1a7
[  540.800157]  ? bpf_test_run+0x146/0x430
[  540.804131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.809694]  ? check_preemption_disabled+0x48/0x290
[  540.814782]  ? lock_acquire+0x16f/0x3f0
[  540.818774]  ? kasan_check_read+0x11/0x20
[  540.822919]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  540.828154]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  540.833709]  bpf_test_run+0x10d/0x430
[  540.837530]  bpf_prog_test_run_skb+0x64b/0xb20
[  540.842121]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  540.846967]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  540.851827]  bpf_prog_test_run+0x129/0x1a0
[  540.856280]  __x64_sys_bpf+0x397/0x4c0
[  540.860204]  ? bpf_prog_get+0x20/0x20
[  540.864041]  ? do_syscall_64+0x26/0x620
[  540.868171]  ? lockdep_hardirqs_on+0x415/0x5d0
[  540.872939]  ? trace_hardirqs_on+0x67/0x220
[  540.877274]  do_syscall_64+0xfd/0x620
[  540.881105]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  540.886303] RIP: 0033:0x45b349
[  540.889512] Code: Bad RIP value.
[  540.892878] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  540.900588] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  540.907872] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  540.915144] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  540.922432] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  540.929702] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  540.936990] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  540.936996] warn_alloc_show_mem: 1 callbacks suppressed
[  540.937002] Mem-Info:
[  540.944458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  540.949847] active_anon:162126 inactive_anon:206 isolated_anon:0
[  540.949847]  active_file:14 inactive_file:11 isolated_file:0
[  540.949847]  unevictable:0 dirty:0 writeback:0 unstable:0
[  540.949847]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  540.949847]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  540.949847]  free:10931 free_pcp:206 free_cma:0
[  540.952248] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  540.961736] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  540.995043] Call Trace:
[  541.002164] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  541.030157]  <IRQ>
[  541.032748] 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
[  541.059163]  dump_stack+0x197/0x210
[  541.061381] lowmem_reserve[]: 0 2545 2546 2546 2546
[  541.087684]  warn_alloc.cold+0x7b/0x173
[  541.091297] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  541.096329]  ? zone_watermark_ok_safe+0x260/0x260
[  541.100273] lowmem_reserve[]: 0 0 1 1 1
[  541.130264]  ? __cpuset_node_allowed+0x136/0x540
[  541.135199] 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
[  541.139191]  ? __isolate_free_page+0x4c0/0x4c0
[  541.144058] lowmem_reserve[]: 0 0 0 0 0
[  541.170163]  ? wake_all_kswapds+0x14d/0x300
[  541.174752] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  541.178746]  __alloc_pages_slowpath+0x2214/0x2870
[  541.183082] lowmem_reserve[]: 0 0 0 0 0
[  541.210777]  ? warn_alloc+0x110/0x110
[  541.215593] 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
[  541.219575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.223417] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  541.236004]  ? should_fail+0x14d/0x85c
[  541.241548] 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
[  541.255042]  ? __isolate_free_page+0x4c0/0x4c0
[  541.258926] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  541.269611]  __alloc_pages_nodemask+0x617/0x750
[  541.274205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  541.289925]  ? __alloc_pages_slowpath+0x2870/0x2870
[  541.294708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  541.303691]  cache_grow_begin+0x91/0x8c0
[  541.308709] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  541.317293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.321335] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  541.330176]  ? __cpuset_node_allowed+0x136/0x540
[  541.335695] 281 total pagecache pages
[  541.344278]  fallback_alloc+0x1fd/0x2d0
[  541.349044] 0 pages in swap cache
[  541.352870]  ____cache_alloc_node+0x1be/0x1e0
[  541.356821] Swap cache stats: add 0, delete 0, find 0/0
[  541.356830] Free swap  = 0kB
[  541.360417]  kmem_cache_alloc_node+0xe3/0x710
[  541.364899] Total swap = 0kB
[  541.364908] 1965979 pages RAM
[  541.370290]  __alloc_skb+0xd5/0x5f0
[  541.373320] 0 pages HighMem/MovableOnly
[  541.373329] 341724 pages reserved
[  541.377851]  ? skb_trim+0x190/0x190
[  541.381038] 0 pages cma reserved
[  541.381110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  541.384191]  ? check_preemption_disabled+0x48/0x290
[  541.384204]  ? lock_acquire+0x16f/0x3f0
[  541.384225]  new_skb+0x28/0x1d0
[  541.384242]  aoecmd_cfg+0x1b5/0x640
[  541.387923] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  541.391858]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  541.395294] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  541.399556]  ? timer_reduce+0x11d0/0x11d0
[  541.450503]  discover_timer+0x4e/0x60
[  541.454325]  call_timer_fn+0x18d/0x720
[  541.458396]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  541.463095]  ? process_timeout+0x40/0x40
[  541.467365]  ? run_timer_softirq+0x644/0x16a0
[  541.472080]  ? trace_hardirqs_on+0x67/0x220
[  541.476399]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  541.481084]  run_timer_softirq+0x64f/0x16a0
[  541.485539]  ? add_timer+0xbe0/0xbe0
[  541.489248]  ? __lock_is_held+0xb6/0x140
[  541.493330]  __do_softirq+0x25c/0x921
[  541.497150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.502836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.508616]  irq_exit+0x180/0x1d0
[  541.512082]  smp_apic_timer_interrupt+0x13b/0x550
[  541.516978]  apic_timer_interrupt+0xf/0x20
[  541.521225]  </IRQ>
[  541.523551] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  541.528508] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  541.547423] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  541.555159] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  541.562542] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  541.569936] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  541.577210] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  541.584559] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  541.591948]  ? mark_held_locks+0xb1/0x100
[  541.596111]  ? __netdev_alloc_skb+0x370/0x470
[  541.600638]  __build_skb+0x3e/0x310
[  541.604264]  __netdev_alloc_skb+0x2ba/0x470
[  541.608596]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  541.613447]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  541.618823]  ? find_held_lock+0x35/0x130
[  541.623217]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  541.627626]  ? check_preemption_disabled+0x48/0x290
[  541.632657]  ? prandom_u32_state+0x13/0x180
[  541.637014]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  541.642248]  ? kmem_cache_alloc+0x32a/0x700
[  541.646571]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  541.651526]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  541.657997]  process_one_work+0x989/0x1750
[  541.662256]  ? pwq_dec_nr_in_flight+0x320/0x320
[  541.667021]  ? lock_acquire+0x16f/0x3f0
[  541.670999]  ? kasan_check_write+0x14/0x20
[  541.675242]  ? do_raw_spin_lock+0xd7/0x250
[  541.679499]  worker_thread+0x98/0xe40
[  541.683328]  kthread+0x354/0x420
[  541.686704]  ? process_one_work+0x1750/0x1750
[  541.691211]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  541.696765]  ret_from_fork+0x24/0x30
[  541.700509] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  541.700576] aoe: skb alloc failure
[  541.708474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  541.708480] Call Trace:
[  541.708486]  <IRQ>
[  541.708511]  dump_stack+0x197/0x210
[  541.708530]  warn_alloc.cold+0x7b/0x173
[  541.708543]  ? zone_watermark_ok_safe+0x260/0x260
[  541.708559]  ? __cpuset_node_allowed+0x136/0x540
[  541.712118] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  541.721467]  ? __isolate_free_page+0x4c0/0x4c0
[  541.724212] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  541.726379]  ? wake_all_kswapds+0x14d/0x300
[  541.767797]  __alloc_pages_slowpath+0x2214/0x2870
[  541.772670]  ? warn_alloc+0x110/0x110
[  541.776503]  ? __lock_acquire+0x6ee/0x49c0
[  541.780750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.786297]  ? should_fail+0x14d/0x85c
[  541.790202]  ? __isolate_free_page+0x4c0/0x4c0
[  541.794971]  __alloc_pages_nodemask+0x617/0x750
[  541.799654]  ? __alloc_pages_slowpath+0x2870/0x2870
[  541.804686]  ? find_held_lock+0x35/0x130
[  541.809279]  cache_grow_begin+0x91/0x8c0
[  541.813457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.819008]  ? __cpuset_node_allowed+0x136/0x540
[  541.824034]  fallback_alloc+0x1fd/0x2d0
[  541.828141]  ____cache_alloc_node+0x1be/0x1e0
[  541.832675]  kmem_cache_alloc_node+0xe3/0x710
[  541.837185]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  541.841444]  __alloc_skb+0xd5/0x5f0
[  541.845073]  ? skb_trim+0x190/0x190
[  541.848697]  ? kasan_check_read+0x11/0x20
[  541.852852]  ndisc_alloc_skb+0x13c/0x340
[  541.856937]  ndisc_send_rs+0x35f/0x6e0
[  541.860851]  addrconf_rs_timer+0x30f/0x680
[  541.865184]  ? ipv6_get_lladdr+0x490/0x490
[  541.869437]  call_timer_fn+0x18d/0x720
[  541.873325]  ? ipv6_get_lladdr+0x490/0x490
[  541.877553]  ? process_timeout+0x40/0x40
[  541.881611]  ? run_timer_softirq+0x644/0x16a0
[  541.889168]  ? trace_hardirqs_on+0x67/0x220
[  541.893528]  ? ipv6_get_lladdr+0x490/0x490
[  541.897783]  run_timer_softirq+0x64f/0x16a0
[  541.902145]  ? add_timer+0xbe0/0xbe0
[  541.906406]  ? __lock_is_held+0xb6/0x140
[  541.910595]  __do_softirq+0x25c/0x921
[  541.914874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.920648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.926211]  irq_exit+0x180/0x1d0
[  541.929689]  smp_apic_timer_interrupt+0x13b/0x550
[  541.934541]  apic_timer_interrupt+0xf/0x20
[  541.938776]  </IRQ>
[  541.941029] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  541.945973] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  541.964883] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  541.972598] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  541.980923] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  541.988272] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  541.995557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  542.002834] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  542.010142]  ? finish_task_switch+0x146/0x7c0
[  542.014653]  skb_clone+0x156/0x3e0
[  542.018332]  bpf_clone_redirect+0xb2/0x480
[  542.022588]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  542.027639]  ? mark_held_locks+0x100/0x100
[  542.031892]  ? __schedule+0x86e/0x1dc0
[  542.035911]  ? retint_kernel+0x2d/0x2d
[  542.039991]  ? firmware_map_remove+0x1a7/0x1a7
[  542.044577]  ? bpf_test_run+0x146/0x430
[  542.048564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.054113]  ? check_preemption_disabled+0x48/0x290
[  542.059127]  ? lock_acquire+0x16f/0x3f0
[  542.063153]  ? kasan_check_read+0x11/0x20
[  542.067308]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  542.072521]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  542.078085]  bpf_test_run+0x10d/0x430
[  542.082014]  bpf_prog_test_run_skb+0x64b/0xb20
[  542.086617]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  542.091480]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  542.096335]  bpf_prog_test_run+0x129/0x1a0
[  542.100581]  __x64_sys_bpf+0x397/0x4c0
[  542.104467]  ? bpf_prog_get+0x20/0x20
[  542.108384]  ? do_syscall_64+0x26/0x620
[  542.112364]  ? lockdep_hardirqs_on+0x415/0x5d0
[  542.117050]  ? trace_hardirqs_on+0x67/0x220
[  542.121380]  do_syscall_64+0xfd/0x620
[  542.125199]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  542.130469] RIP: 0033:0x45b349
[  542.133668] Code: Bad RIP value.
[  542.137035] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  542.144837] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  542.152227] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  542.159693] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  542.167033] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  542.174314] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  542.181611] warn_alloc_show_mem: 1 callbacks suppressed
[  542.181622] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  542.181624] Mem-Info:
[  542.181654] active_anon:162126 inactive_anon:206 isolated_anon:0
[  542.181654]  active_file:14 inactive_file:11 isolated_file:0
[  542.181654]  unevictable:0 dirty:0 writeback:0 unstable:0
[  542.181654]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  542.181654]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  542.181654]  free:10931 free_pcp:206 free_cma:0
[  542.186995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  542.187021] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  542.194479] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  542.196911] Call Trace:
[  542.230174] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  542.239524]  <IRQ>
[  542.246624] 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
[  542.274460]  dump_stack+0x197/0x210
[  542.277020] lowmem_reserve[]: 0 2545 2546 2546 2546
[  542.302823]  warn_alloc.cold+0x7b/0x173
[  542.304966] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  542.332949]  ? zone_watermark_ok_safe+0x260/0x260
[  542.336569] lowmem_reserve[]: 0 0 1 1 1
[  542.341640]  ? __cpuset_node_allowed+0x136/0x540
[  542.345746] 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
[  542.374678]  ? __isolate_free_page+0x4c0/0x4c0
[  542.379511] lowmem_reserve[]: 0 0 0 0 0
[  542.383507]  ? wake_all_kswapds+0x14d/0x300
[  542.388241] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  542.414161]  __alloc_pages_slowpath+0x2214/0x2870
[  542.418740] lowmem_reserve[]: 0 0 0 0 0
[  542.422747]  ? warn_alloc+0x110/0x110
[  542.427033] 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
[  542.454722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.459553] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  542.463542]  ? should_fail+0x14d/0x85c
[  542.467328] 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
[  542.479842]  ? __isolate_free_page+0x4c0/0x4c0
[  542.485390] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  542.498782]  __alloc_pages_nodemask+0x617/0x750
[  542.502659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  542.513348]  ? __alloc_pages_slowpath+0x2870/0x2870
[  542.518051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  542.533708]  cache_grow_begin+0x91/0x8c0
[  542.538463] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  542.547322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.552355] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  542.560958]  ? __cpuset_node_allowed+0x136/0x540
[  542.565027] 281 total pagecache pages
[  542.574675]  fallback_alloc+0x1fd/0x2d0
[  542.580204] 0 pages in swap cache
[  542.589057]  ____cache_alloc_node+0x1be/0x1e0
[  542.594536] Swap cache stats: add 0, delete 0, find 0/0
[  542.598360]  kmem_cache_alloc_node+0xe3/0x710
[  542.602308] Free swap  = 0kB
[  542.602317] Total swap = 0kB
[  542.605907]  __alloc_skb+0xd5/0x5f0
[  542.610395] 1965979 pages RAM
[  542.615772]  ? skb_trim+0x190/0x190
[  542.620260] 0 pages HighMem/MovableOnly
[  542.620270] 341724 pages reserved
[  542.623306]  ? check_preemption_disabled+0x48/0x290
[  542.626303] 0 pages cma reserved
[  542.629929]  ? lock_acquire+0x16f/0x3f0
[  542.629954]  new_skb+0x28/0x1d0
[  542.633108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  542.636701]  aoecmd_cfg+0x1b5/0x640
[  542.636719]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  542.636740]  ? timer_reduce+0x11d0/0x11d0
[  542.640750] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  542.645371]  discover_timer+0x4e/0x60
[  542.650370] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  542.653740]  call_timer_fn+0x18d/0x720
[  542.703132]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  542.707802]  ? process_timeout+0x40/0x40
[  542.711896]  ? run_timer_softirq+0x644/0x16a0
[  542.719102]  ? trace_hardirqs_on+0x67/0x220
[  542.723457]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  542.728129]  run_timer_softirq+0x64f/0x16a0
[  542.732477]  ? add_timer+0xbe0/0xbe0
[  542.736217]  ? __lock_is_held+0xb6/0x140
[  542.740301]  __do_softirq+0x25c/0x921
[  542.744113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.749659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.755221]  irq_exit+0x180/0x1d0
[  542.758677]  smp_apic_timer_interrupt+0x13b/0x550
[  542.763536]  apic_timer_interrupt+0xf/0x20
[  542.767775]  </IRQ>
[  542.770043] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  542.775425] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  542.794837] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  542.802561] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  542.810068] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  542.817915] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  542.825221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  542.832497] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  542.839800]  ? mark_held_locks+0xb1/0x100
[  542.844065]  ? __netdev_alloc_skb+0x370/0x470
[  542.848592]  __build_skb+0x3e/0x310
[  542.852332]  __netdev_alloc_skb+0x2ba/0x470
[  542.856689]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  542.861618]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  542.866996]  ? find_held_lock+0x35/0x130
[  542.871096]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  542.875641]  ? check_preemption_disabled+0x48/0x290
[  542.880858]  ? prandom_u32_state+0x13/0x180
[  542.885298]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  542.890517]  ? kmem_cache_alloc+0x32a/0x700
[  542.894853]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  542.900339]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  542.906852]  process_one_work+0x989/0x1750
[  542.911279]  ? pwq_dec_nr_in_flight+0x320/0x320
[  542.916431]  ? lock_acquire+0x16f/0x3f0
[  542.920668]  ? kasan_check_write+0x14/0x20
[  542.925009]  ? do_raw_spin_lock+0xd7/0x250
[  542.929248]  worker_thread+0x98/0xe40
[  542.933069]  kthread+0x354/0x420
[  542.936468]  ? process_one_work+0x1750/0x1750
[  542.940976]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  542.946554]  ret_from_fork+0x24/0x30
[  542.950294] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  542.950354] aoe: skb alloc failure
[  542.958197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  542.958202] Call Trace:
[  542.958208]  <IRQ>
[  542.958229]  dump_stack+0x197/0x210
[  542.958249]  warn_alloc.cold+0x7b/0x173
[  542.958267]  ? zone_watermark_ok_safe+0x260/0x260
[  542.961838] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  542.971176]  ? __cpuset_node_allowed+0x136/0x540
[  542.973783] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  543.008500]  ? __isolate_free_page+0x4c0/0x4c0
[  543.013099]  ? wake_all_kswapds+0x14d/0x300
[  543.017556]  __alloc_pages_slowpath+0x2214/0x2870
[  543.022673]  ? warn_alloc+0x110/0x110
[  543.026487]  ? __lock_acquire+0x6ee/0x49c0
[  543.030732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.036397]  ? should_fail+0x14d/0x85c
[  543.040316]  ? __isolate_free_page+0x4c0/0x4c0
[  543.044903]  __alloc_pages_nodemask+0x617/0x750
[  543.049588]  ? __alloc_pages_slowpath+0x2870/0x2870
[  543.054626]  ? find_held_lock+0x35/0x130
[  543.058701]  cache_grow_begin+0x91/0x8c0
[  543.062772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.068314]  ? __cpuset_node_allowed+0x136/0x540
[  543.073077]  fallback_alloc+0x1fd/0x2d0
[  543.077163]  ____cache_alloc_node+0x1be/0x1e0
[  543.081920]  kmem_cache_alloc_node+0xe3/0x710
[  543.086416]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  543.090753]  __alloc_skb+0xd5/0x5f0
[  543.094404]  ? skb_trim+0x190/0x190
[  543.098218]  ? kasan_check_read+0x11/0x20
[  543.102417]  ndisc_alloc_skb+0x13c/0x340
[  543.106478]  ndisc_send_rs+0x35f/0x6e0
[  543.110570]  addrconf_rs_timer+0x30f/0x680
[  543.115782]  ? ipv6_get_lladdr+0x490/0x490
[  543.120348]  call_timer_fn+0x18d/0x720
[  543.124449]  ? ipv6_get_lladdr+0x490/0x490
[  543.131548]  ? process_timeout+0x40/0x40
[  543.135607]  ? run_timer_softirq+0x644/0x16a0
[  543.140381]  ? trace_hardirqs_on+0x67/0x220
[  543.144702]  ? ipv6_get_lladdr+0x490/0x490
[  543.148941]  run_timer_softirq+0x64f/0x16a0
[  543.153276]  ? add_timer+0xbe0/0xbe0
[  543.157000]  ? __lock_is_held+0xb6/0x140
[  543.161076]  __do_softirq+0x25c/0x921
[  543.165008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.170563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.176127]  irq_exit+0x180/0x1d0
[  543.179583]  smp_apic_timer_interrupt+0x13b/0x550
[  543.184711]  apic_timer_interrupt+0xf/0x20
[  543.188943]  </IRQ>
[  543.191295] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  543.196281] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  543.215801] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  543.223622] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  543.230897] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  543.238300] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  543.245678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  543.253087] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  543.260398]  ? finish_task_switch+0x146/0x7c0
[  543.264928]  skb_clone+0x156/0x3e0
[  543.268487]  bpf_clone_redirect+0xb2/0x480
[  543.272739]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  543.277819]  ? mark_held_locks+0x100/0x100
[  543.282064]  ? __schedule+0x86e/0x1dc0
[  543.285949]  ? retint_kernel+0x2d/0x2d
[  543.290040]  ? firmware_map_remove+0x1a7/0x1a7
[  543.294626]  ? bpf_test_run+0x146/0x430
[  543.298616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.304418]  ? check_preemption_disabled+0x48/0x290
[  543.309434]  ? lock_acquire+0x16f/0x3f0
[  543.313427]  ? kasan_check_read+0x11/0x20
[  543.317857]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  543.323057]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  543.328688]  bpf_test_run+0x10d/0x430
[  543.332496]  bpf_prog_test_run_skb+0x64b/0xb20
[  543.337081]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  543.342050]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  543.347069]  bpf_prog_test_run+0x129/0x1a0
[  543.351710]  __x64_sys_bpf+0x397/0x4c0
[  543.355596]  ? bpf_prog_get+0x20/0x20
[  543.359447]  ? do_syscall_64+0x26/0x620
[  543.363509]  ? lockdep_hardirqs_on+0x415/0x5d0
[  543.368127]  ? trace_hardirqs_on+0x67/0x220
[  543.372475]  do_syscall_64+0xfd/0x620
[  543.376284]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  543.381570] RIP: 0033:0x45b349
[  543.384778] Code: Bad RIP value.
[  543.388149] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  543.395980] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  543.403991] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  543.413250] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  543.421328] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  543.428694] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  543.436016] warn_alloc_show_mem: 1 callbacks suppressed
[  543.436027] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  543.436029] Mem-Info:
[  543.436059] active_anon:162126 inactive_anon:206 isolated_anon:0
[  543.436059]  active_file:14 inactive_file:11 isolated_file:0
[  543.436059]  unevictable:0 dirty:0 writeback:0 unstable:0
[  543.436059]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  543.436059]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  543.436059]  free:10931 free_pcp:206 free_cma:0
[  543.441427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  543.441453] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  543.449360] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  543.451879] Call Trace:
[  543.487025] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  543.496796]  <IRQ>
[  543.504002] 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
[  543.531626]  dump_stack+0x197/0x210
[  543.534202] lowmem_reserve[]: 0 2545 2546 2546 2546
[  543.560270]  warn_alloc.cold+0x7b/0x173
[  543.562398] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  543.588610]  ? zone_watermark_ok_safe+0x260/0x260
[  543.592294] lowmem_reserve[]: 0 0 1 1 1
[  543.597301]  ? __cpuset_node_allowed+0x136/0x540
[  543.601249] 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
[  543.630070]  ? __isolate_free_page+0x4c0/0x4c0
[  543.634886] lowmem_reserve[]: 0 0 0 0 0
[  543.638878]  ? wake_all_kswapds+0x14d/0x300
[  543.643602] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  543.669389]  __alloc_pages_slowpath+0x2214/0x2870
[  543.673943] lowmem_reserve[]: 0 0 0 0 0
[  543.677952]  ? warn_alloc+0x110/0x110
[  543.682305] 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
[  543.709826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.714644] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  543.718633]  ? should_fail+0x14d/0x85c
[  543.722426] 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
[  543.735021]  ? __isolate_free_page+0x4c0/0x4c0
[  543.740548] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  543.753925]  __alloc_pages_nodemask+0x617/0x750
[  543.757800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  543.768470]  ? __alloc_pages_slowpath+0x2870/0x2870
[  543.773036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  543.788657]  cache_grow_begin+0x91/0x8c0
[  543.793298] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  543.802133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.807141] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  543.815732]  ? __cpuset_node_allowed+0x136/0x540
[  543.819788] 281 total pagecache pages
[  543.828626]  fallback_alloc+0x1fd/0x2d0
[  543.834153] 0 pages in swap cache
[  543.842746]  ____cache_alloc_node+0x1be/0x1e0
[  543.847481] Swap cache stats: add 0, delete 0, find 0/0
[  543.847491] Free swap  = 0kB
[  543.851374]  kmem_cache_alloc_node+0xe3/0x710
[  543.855304] Total swap = 0kB
[  543.855315] 1965979 pages RAM
[  543.858867]  __alloc_skb+0xd5/0x5f0
[  543.863322] 0 pages HighMem/MovableOnly
[  543.868687]  ? skb_trim+0x190/0x190
[  543.871690] 341724 pages reserved
[  543.876200]  ? check_preemption_disabled+0x48/0x290
[  543.879207] 0 pages cma reserved
[  543.879300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  543.882321]  ? lock_acquire+0x16f/0x3f0
[  543.885998] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  543.889891]  new_skb+0x28/0x1d0
[  543.893612] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  543.897072]  aoecmd_cfg+0x1b5/0x640
[  543.939031]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  543.943381]  ? timer_reduce+0x11d0/0x11d0
[  543.947545]  discover_timer+0x4e/0x60
[  543.951339]  call_timer_fn+0x18d/0x720
[  543.955233]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  543.960426]  ? process_timeout+0x40/0x40
[  543.964481]  ? run_timer_softirq+0x644/0x16a0
[  543.969108]  ? trace_hardirqs_on+0x67/0x220
[  543.973428]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  543.978101]  run_timer_softirq+0x64f/0x16a0
[  543.982421]  ? add_timer+0xbe0/0xbe0
[  543.986145]  ? __lock_is_held+0xb6/0x140
[  543.990222]  __do_softirq+0x25c/0x921
[  543.994027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.999557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.005095]  irq_exit+0x180/0x1d0
[  544.008561]  smp_apic_timer_interrupt+0x13b/0x550
[  544.013419]  apic_timer_interrupt+0xf/0x20
[  544.017644]  </IRQ>
[  544.019883] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  544.024830] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  544.043733] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  544.051456] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  544.058720] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  544.065987] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  544.073262] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  544.080528] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  544.087819]  ? mark_held_locks+0xb1/0x100
[  544.091977]  ? __netdev_alloc_skb+0x370/0x470
[  544.096470]  __build_skb+0x3e/0x310
[  544.100090]  __netdev_alloc_skb+0x2ba/0x470
[  544.104412]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  544.109263]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  544.114647]  ? find_held_lock+0x35/0x130
[  544.118823]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  544.123240]  ? check_preemption_disabled+0x48/0x290
[  544.128345]  ? prandom_u32_state+0x13/0x180
[  544.132667]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  544.138220]  ? kmem_cache_alloc+0x32a/0x700
[  544.142541]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  544.147488]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  544.153828]  process_one_work+0x989/0x1750
[  544.158066]  ? pwq_dec_nr_in_flight+0x320/0x320
[  544.162725]  ? lock_acquire+0x16f/0x3f0
[  544.166708]  ? kasan_check_write+0x14/0x20
[  544.171042]  ? do_raw_spin_lock+0xd7/0x250
[  544.175295]  worker_thread+0x98/0xe40
[  544.179103]  kthread+0x354/0x420
[  544.182464]  ? process_one_work+0x1750/0x1750
[  544.186965]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  544.192653]  ret_from_fork+0x24/0x30
[  544.196403] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  544.196460] aoe: skb alloc failure
[  544.204293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  544.204299] Call Trace:
[  544.204306]  <IRQ>
[  544.204347]  dump_stack+0x197/0x210
[  544.204368]  warn_alloc.cold+0x7b/0x173
[  544.207947] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  544.217292]  ? zone_watermark_ok_safe+0x260/0x260
[  544.219870] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  544.222027]  ? __cpuset_node_allowed+0x136/0x540
[  544.254508]  ? __isolate_free_page+0x4c0/0x4c0
[  544.259091]  ? wake_all_kswapds+0x14d/0x300
[  544.263411]  __alloc_pages_slowpath+0x2214/0x2870
[  544.268289]  ? warn_alloc+0x110/0x110
[  544.272346]  ? __lock_acquire+0x6ee/0x49c0
[  544.276593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.282222]  ? should_fail+0x14d/0x85c
[  544.286139]  ? __isolate_free_page+0x4c0/0x4c0
[  544.290736]  __alloc_pages_nodemask+0x617/0x750
[  544.295418]  ? __alloc_pages_slowpath+0x2870/0x2870
[  544.300454]  ? find_held_lock+0x35/0x130
[  544.304522]  cache_grow_begin+0x91/0x8c0
[  544.308604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.314136]  ? __cpuset_node_allowed+0x136/0x540
[  544.318926]  fallback_alloc+0x1fd/0x2d0
[  544.322914]  ____cache_alloc_node+0x1be/0x1e0
[  544.327529]  kmem_cache_alloc_node+0xe3/0x710
[  544.332024]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  544.336376]  __alloc_skb+0xd5/0x5f0
[  544.340005]  ? skb_trim+0x190/0x190
[  544.343638]  ? kasan_check_read+0x11/0x20
[  544.347802]  ndisc_alloc_skb+0x13c/0x340
[  544.351864]  ndisc_send_rs+0x35f/0x6e0
[  544.355761]  addrconf_rs_timer+0x30f/0x680
[  544.359995]  ? ipv6_get_lladdr+0x490/0x490
[  544.364228]  call_timer_fn+0x18d/0x720
[  544.368107]  ? ipv6_get_lladdr+0x490/0x490
[  544.372472]  ? process_timeout+0x40/0x40
[  544.376544]  ? run_timer_softirq+0x644/0x16a0
[  544.381054]  ? trace_hardirqs_on+0x67/0x220
[  544.385390]  ? ipv6_get_lladdr+0x490/0x490
[  544.389618]  run_timer_softirq+0x64f/0x16a0
[  544.393959]  ? add_timer+0xbe0/0xbe0
[  544.397695]  ? __lock_is_held+0xb6/0x140
[  544.401777]  __do_softirq+0x25c/0x921
[  544.405588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.411133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.416680]  irq_exit+0x180/0x1d0
[  544.420191]  smp_apic_timer_interrupt+0x13b/0x550
[  544.425054]  apic_timer_interrupt+0xf/0x20
[  544.429287]  </IRQ>
[  544.431522] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  544.436559] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  544.455469] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  544.463175] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  544.470449] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  544.477736] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  544.484998] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  544.492273] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  544.499672]  ? finish_task_switch+0x146/0x7c0
[  544.504187]  skb_clone+0x156/0x3e0
[  544.507730]  bpf_clone_redirect+0xb2/0x480
[  544.511962]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  544.517010]  ? mark_held_locks+0x100/0x100
[  544.521241]  ? __schedule+0x86e/0x1dc0
[  544.525134]  ? retint_kernel+0x2d/0x2d
[  544.529031]  ? firmware_map_remove+0x1a7/0x1a7
[  544.533614]  ? bpf_test_run+0x146/0x430
[  544.537602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.543155]  ? check_preemption_disabled+0x48/0x290
[  544.548181]  ? lock_acquire+0x16f/0x3f0
[  544.552172]  ? kasan_check_read+0x11/0x20
[  544.556357]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  544.561651]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  544.567338]  bpf_test_run+0x10d/0x430
[  544.571148]  bpf_prog_test_run_skb+0x64b/0xb20
[  544.575752]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  544.580618]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  544.585455]  bpf_prog_test_run+0x129/0x1a0
[  544.589685]  __x64_sys_bpf+0x397/0x4c0
[  544.593583]  ? bpf_prog_get+0x20/0x20
[  544.597392]  ? do_syscall_64+0x26/0x620
[  544.601381]  ? lockdep_hardirqs_on+0x415/0x5d0
[  544.605961]  ? trace_hardirqs_on+0x67/0x220
[  544.610284]  do_syscall_64+0xfd/0x620
[  544.614098]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  544.619298] RIP: 0033:0x45b349
[  544.622593] Code: Bad RIP value.
[  544.625958] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  544.633667] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  544.640937] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  544.648217] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  544.655506] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  544.662766] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  544.670059] warn_alloc_show_mem: 1 callbacks suppressed
[  544.670069] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  544.670071] Mem-Info:
[  544.670101] active_anon:162126 inactive_anon:206 isolated_anon:0
[  544.670101]  active_file:14 inactive_file:11 isolated_file:0
[  544.670101]  unevictable:0 dirty:0 writeback:0 unstable:0
[  544.670101]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  544.670101]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  544.670101]  free:10931 free_pcp:206 free_cma:0
[  544.675458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  544.675483] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  544.682943] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  544.685338] Call Trace:
[  544.718534] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  544.727864]  <IRQ>
[  544.734963] 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
[  544.762791]  dump_stack+0x197/0x210
[  544.765427] lowmem_reserve[]: 0 2545 2546 2546 2546
[  544.791221]  warn_alloc.cold+0x7b/0x173
[  544.793351] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  544.819466]  ? zone_watermark_ok_safe+0x260/0x260
[  544.823061] lowmem_reserve[]: 0 0 1 1 1
[  544.828077]  ? __cpuset_node_allowed+0x136/0x540
[  544.832174] 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
[  544.861105]  ? __isolate_free_page+0x4c0/0x4c0
[  544.865939] lowmem_reserve[]: 0 0 0 0 0
[  544.869919]  ? wake_all_kswapds+0x14d/0x300
[  544.874643] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  544.900900]  __alloc_pages_slowpath+0x2214/0x2870
[  544.905456] lowmem_reserve[]: 0 0 0 0 0
[  544.909457]  ? warn_alloc+0x110/0x110
[  544.913815] 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
[  544.941416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.946233] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  544.950206]  ? should_fail+0x14d/0x85c
[  544.950226]  ? __isolate_free_page+0x4c0/0x4c0
[  544.954000] 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
[  544.966501]  __alloc_pages_nodemask+0x617/0x750
[  544.972020] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  544.985389]  ? __alloc_pages_slowpath+0x2870/0x2870
[  544.989261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  544.993852]  cache_grow_begin+0x91/0x8c0
[  545.004596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  545.009276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.024880] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  545.029894]  ? __cpuset_node_allowed+0x136/0x540
[  545.038733] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  545.042812]  fallback_alloc+0x1fd/0x2d0
[  545.051379] 281 total pagecache pages
[  545.056931]  ____cache_alloc_node+0x1be/0x1e0
[  545.065738] 0 pages in swap cache
[  545.070507]  kmem_cache_alloc_node+0xe3/0x710
[  545.079068] Swap cache stats: add 0, delete 0, find 0/0
[  545.079078] Free swap  = 0kB
[  545.083105]  __alloc_skb+0xd5/0x5f0
[  545.083122]  ? skb_trim+0x190/0x190
[  545.086907] Total swap = 0kB
[  545.086917] 1965979 pages RAM
[  545.091411]  ? check_preemption_disabled+0x48/0x290
[  545.094831] 0 pages HighMem/MovableOnly
[  545.094839] 341724 pages reserved
[  545.099426]  ? lock_acquire+0x16f/0x3f0
[  545.099453]  new_skb+0x28/0x1d0
[  545.104780] 0 pages cma reserved
[  545.104853] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  545.107799]  aoecmd_cfg+0x1b5/0x640
[  545.111495] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  545.115080]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  545.118071] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  545.121190]  ? timer_reduce+0x11d0/0x11d0
[  545.178613]  discover_timer+0x4e/0x60
[  545.182412]  call_timer_fn+0x18d/0x720
[  545.186313]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  545.190974]  ? process_timeout+0x40/0x40
[  545.195023]  ? run_timer_softirq+0x644/0x16a0
[  545.199525]  ? trace_hardirqs_on+0x67/0x220
[  545.203854]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  545.208526]  run_timer_softirq+0x64f/0x16a0
[  545.212858]  ? add_timer+0xbe0/0xbe0
[  545.216576]  ? __lock_is_held+0xb6/0x140
[  545.220652]  __do_softirq+0x25c/0x921
[  545.224457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.229984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.235523]  irq_exit+0x180/0x1d0
[  545.239104]  smp_apic_timer_interrupt+0x13b/0x550
[  545.243951]  apic_timer_interrupt+0xf/0x20
[  545.248180]  </IRQ>
[  545.250420] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  545.255344] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  545.274356] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  545.282073] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  545.290365] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  545.297747] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  545.305018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  545.312288] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  545.319595]  ? mark_held_locks+0xb1/0x100
[  545.323910]  ? __netdev_alloc_skb+0x370/0x470
[  545.328414]  __build_skb+0x3e/0x310
[  545.332040]  __netdev_alloc_skb+0x2ba/0x470
[  545.336373]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  545.341224]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  545.346593]  ? find_held_lock+0x35/0x130
[  545.350783]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  545.355187]  ? check_preemption_disabled+0x48/0x290
[  545.360215]  ? prandom_u32_state+0x13/0x180
[  545.364554]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  545.369756]  ? kmem_cache_alloc+0x32a/0x700
[  545.374087]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  545.379034]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  545.385373]  process_one_work+0x989/0x1750
[  545.389643]  ? pwq_dec_nr_in_flight+0x320/0x320
[  545.394319]  ? lock_acquire+0x16f/0x3f0
[  545.398404]  ? kasan_check_write+0x14/0x20
[  545.402650]  ? do_raw_spin_lock+0xd7/0x250
[  545.406904]  worker_thread+0x98/0xe40
[  545.410897]  kthread+0x354/0x420
[  545.414411]  ? process_one_work+0x1750/0x1750
[  545.418912]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  545.424456]  ret_from_fork+0x24/0x30
[  545.428190] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  545.428251] aoe: skb alloc failure
[  545.435992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  545.435997] Call Trace:
[  545.436004]  <IRQ>
[  545.436024]  dump_stack+0x197/0x210
[  545.436043]  warn_alloc.cold+0x7b/0x173
[  545.436057]  ? zone_watermark_ok_safe+0x260/0x260
[  545.436073]  ? __cpuset_node_allowed+0x136/0x540
[  545.439639] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  545.449312]  ? __isolate_free_page+0x4c0/0x4c0
[  545.451889] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  545.454147]  ? wake_all_kswapds+0x14d/0x300
[  545.495614]  __alloc_pages_slowpath+0x2214/0x2870
[  545.500476]  ? warn_alloc+0x110/0x110
[  545.504310]  ? __lock_acquire+0x6ee/0x49c0
[  545.508547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.514276]  ? should_fail+0x14d/0x85c
[  545.518185]  ? __isolate_free_page+0x4c0/0x4c0
[  545.522801]  __alloc_pages_nodemask+0x617/0x750
[  545.527499]  ? __alloc_pages_slowpath+0x2870/0x2870
[  545.532560]  ? find_held_lock+0x35/0x130
[  545.536782]  cache_grow_begin+0x91/0x8c0
[  545.540852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.546409]  ? __cpuset_node_allowed+0x136/0x540
[  545.551194]  fallback_alloc+0x1fd/0x2d0
[  545.555271]  ____cache_alloc_node+0x1be/0x1e0
[  545.559770]  kmem_cache_alloc_node+0xe3/0x710
[  545.564267]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  545.568519]  __alloc_skb+0xd5/0x5f0
[  545.572174]  ? skb_trim+0x190/0x190
[  545.575809]  ? kasan_check_read+0x11/0x20
[  545.580169]  ndisc_alloc_skb+0x13c/0x340
[  545.584360]  ndisc_send_rs+0x35f/0x6e0
[  545.588272]  addrconf_rs_timer+0x30f/0x680
[  545.592526]  ? ipv6_get_lladdr+0x490/0x490
[  545.596789]  call_timer_fn+0x18d/0x720
[  545.600702]  ? ipv6_get_lladdr+0x490/0x490
[  545.604956]  ? process_timeout+0x40/0x40
[  545.609035]  ? run_timer_softirq+0x644/0x16a0
[  545.613530]  ? trace_hardirqs_on+0x67/0x220
[  545.617861]  ? ipv6_get_lladdr+0x490/0x490
[  545.622121]  run_timer_softirq+0x64f/0x16a0
[  545.626587]  ? add_timer+0xbe0/0xbe0
[  545.630305]  ? __lock_is_held+0xb6/0x140
[  545.634400]  __do_softirq+0x25c/0x921
[  545.638233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.643900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.649459]  irq_exit+0x180/0x1d0
[  545.652938]  smp_apic_timer_interrupt+0x13b/0x550
[  545.657798]  apic_timer_interrupt+0xf/0x20
[  545.662032]  </IRQ>
[  545.664279] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  545.669230] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  545.688142] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  545.695850] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  545.703173] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  545.710615] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  545.717912] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  545.725203] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  545.732527]  ? finish_task_switch+0x146/0x7c0
[  545.737042]  skb_clone+0x156/0x3e0
[  545.740609]  bpf_clone_redirect+0xb2/0x480
[  545.744845]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  545.749897]  ? mark_held_locks+0x100/0x100
[  545.754228]  ? __schedule+0x86e/0x1dc0
[  545.758122]  ? retint_kernel+0x2d/0x2d
[  545.762013]  ? firmware_map_remove+0x1a7/0x1a7
[  545.766605]  ? bpf_test_run+0x146/0x430
[  545.770603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.776279]  ? check_preemption_disabled+0x48/0x290
[  545.781289]  ? lock_acquire+0x16f/0x3f0
[  545.785378]  ? kasan_check_read+0x11/0x20
[  545.789641]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  545.794840]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  545.800381]  bpf_test_run+0x10d/0x430
[  545.804288]  bpf_prog_test_run_skb+0x64b/0xb20
[  545.808880]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  545.813737]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  545.818610]  bpf_prog_test_run+0x129/0x1a0
[  545.822846]  __x64_sys_bpf+0x397/0x4c0
[  545.826848]  ? bpf_prog_get+0x20/0x20
[  545.830683]  ? do_syscall_64+0x26/0x620
[  545.834654]  ? lockdep_hardirqs_on+0x415/0x5d0
[  545.839254]  ? trace_hardirqs_on+0x67/0x220
[  545.843680]  do_syscall_64+0xfd/0x620
[  545.847521]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  545.852727] RIP: 0033:0x45b349
[  545.855931] Code: Bad RIP value.
[  545.859295] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  545.867028] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  545.874304] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  545.881633] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  545.888922] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  545.896664] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  545.903976] warn_alloc_show_mem: 1 callbacks suppressed
[  545.903986] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  545.903988] Mem-Info:
[  545.904018] active_anon:162126 inactive_anon:206 isolated_anon:0
[  545.904018]  active_file:14 inactive_file:11 isolated_file:0
[  545.904018]  unevictable:0 dirty:0 writeback:0 unstable:0
[  545.904018]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  545.904018]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  545.904018]  free:10931 free_pcp:206 free_cma:0
[  545.909366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  545.916826] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  545.919243] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  545.952436] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  545.962003] Call Trace:
[  545.990155] 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
[  545.997287]  <IRQ>
[  546.023218] lowmem_reserve[]: 0 2545 2546 2546 2546
[  546.025823]  dump_stack+0x197/0x210
[  546.052730] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  546.054899]  warn_alloc.cold+0x7b/0x173
[  546.059891] lowmem_reserve[]: 0 0 1 1 1
[  546.063570]  ? zone_watermark_ok_safe+0x260/0x260
[  546.092639] 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
[  546.096633]  ? __cpuset_node_allowed+0x136/0x540
[  546.100585] lowmem_reserve[]: 0 0 0 0 0
[  546.105534]  ? __isolate_free_page+0x4c0/0x4c0
[  546.132958] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  546.137728]  ? wake_all_kswapds+0x14d/0x300
[  546.141695] lowmem_reserve[]: 0 0 0 0 0
[  546.146290]  __alloc_pages_slowpath+0x2214/0x2870
[  546.173947] 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
[  546.178296]  ? warn_alloc+0x110/0x110
[  546.182358] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  546.187225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.199682] 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
[  546.203686]  ? should_fail+0x14d/0x85c
[  546.217380] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  546.223554]  ? __isolate_free_page+0x4c0/0x4c0
[  546.234204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  546.238229]  __alloc_pages_nodemask+0x617/0x750
[  546.253825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  546.258421]  ? __alloc_pages_slowpath+0x2870/0x2870
[  546.268221] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  546.272900]  cache_grow_begin+0x91/0x8c0
[  546.281443] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  546.286474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.295291] 281 total pagecache pages
[  546.299357]  ? __cpuset_node_allowed+0x136/0x540
[  546.308004] 0 pages in swap cache
[  546.313548]  fallback_alloc+0x1fd/0x2d0
[  546.317329] Swap cache stats: add 0, delete 0, find 0/0
[  546.317338] Free swap  = 0kB
[  546.322097]  ____cache_alloc_node+0x1be/0x1e0
[  546.325527] Total swap = 0kB
[  546.329572]  kmem_cache_alloc_node+0xe3/0x710
[  546.329608]  __alloc_skb+0xd5/0x5f0
[  546.335489] 1965979 pages RAM
[  546.338532]  ? skb_trim+0x190/0x190
[  546.343435] 0 pages HighMem/MovableOnly
[  546.343443] 341724 pages reserved
[  546.346460]  ? check_preemption_disabled+0x48/0x290
[  546.350927] 0 pages cma reserved
[  546.354614]  ? lock_acquire+0x16f/0x3f0
[  546.357966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  546.361554]  new_skb+0x28/0x1d0
[  546.365629] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  546.368998]  aoecmd_cfg+0x1b5/0x640
[  546.374018] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  546.377402]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  546.415175]  ? timer_reduce+0x11d0/0x11d0
[  546.419439]  discover_timer+0x4e/0x60
[  546.423274]  call_timer_fn+0x18d/0x720
[  546.427180]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  546.431840]  ? process_timeout+0x40/0x40
[  546.435893]  ? run_timer_softirq+0x644/0x16a0
[  546.440405]  ? trace_hardirqs_on+0x67/0x220
[  546.444762]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  546.449455]  run_timer_softirq+0x64f/0x16a0
[  546.453789]  ? add_timer+0xbe0/0xbe0
[  546.457540]  ? __lock_is_held+0xb6/0x140
[  546.461621]  __do_softirq+0x25c/0x921
[  546.465442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.470987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.476535]  irq_exit+0x180/0x1d0
[  546.480014]  smp_apic_timer_interrupt+0x13b/0x550
[  546.484877]  apic_timer_interrupt+0xf/0x20
[  546.489125]  </IRQ>
[  546.491381] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  546.496327] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  546.515761] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  546.523653] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  546.531019] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  546.538407] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  546.546305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  546.553603] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  546.560922]  ? mark_held_locks+0xb1/0x100
[  546.565094]  ? __netdev_alloc_skb+0x370/0x470
[  546.569686]  __build_skb+0x3e/0x310
[  546.573334]  __netdev_alloc_skb+0x2ba/0x470
[  546.577660]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  546.582648]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  546.588099]  ? find_held_lock+0x35/0x130
[  546.592162]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  546.596588]  ? check_preemption_disabled+0x48/0x290
[  546.601612]  ? prandom_u32_state+0x13/0x180
[  546.606043]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  546.611254]  ? kmem_cache_alloc+0x32a/0x700
[  546.615681]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  546.620748]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  546.627094]  process_one_work+0x989/0x1750
[  546.631351]  ? pwq_dec_nr_in_flight+0x320/0x320
[  546.636202]  ? lock_acquire+0x16f/0x3f0
[  546.640223]  ? kasan_check_write+0x14/0x20
[  546.644455]  ? do_raw_spin_lock+0xd7/0x250
[  546.648694]  worker_thread+0x98/0xe40
[  546.652538]  kthread+0x354/0x420
[  546.655934]  ? process_one_work+0x1750/0x1750
[  546.660431]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  546.665992]  ret_from_fork+0x24/0x30
[  546.669736] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  546.669797] aoe: skb alloc failure
[  546.677566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  546.677571] Call Trace:
[  546.677578]  <IRQ>
[  546.677600]  dump_stack+0x197/0x210
[  546.677620]  warn_alloc.cold+0x7b/0x173
[  546.677638]  ? zone_watermark_ok_safe+0x260/0x260
[  546.681214] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  546.690548]  ? __cpuset_node_allowed+0x136/0x540
[  546.693113] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  546.695383]  ? __isolate_free_page+0x4c0/0x4c0
[  546.732659]  ? wake_all_kswapds+0x14d/0x300
[  546.737000]  __alloc_pages_slowpath+0x2214/0x2870
[  546.741984]  ? warn_alloc+0x110/0x110
[  546.745798]  ? __lock_acquire+0x6ee/0x49c0
[  546.750061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.755595]  ? should_fail+0x14d/0x85c
[  546.759492]  ? __isolate_free_page+0x4c0/0x4c0
[  546.764103]  __alloc_pages_nodemask+0x617/0x750
[  546.768870]  ? __alloc_pages_slowpath+0x2870/0x2870
[  546.773892]  ? find_held_lock+0x35/0x130
[  546.778095]  cache_grow_begin+0x91/0x8c0
[  546.782169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.787710]  ? __cpuset_node_allowed+0x136/0x540
[  546.792468]  fallback_alloc+0x1fd/0x2d0
[  546.796456]  ____cache_alloc_node+0x1be/0x1e0
[  546.800964]  kmem_cache_alloc_node+0xe3/0x710
[  546.805653]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  546.810047]  __alloc_skb+0xd5/0x5f0
[  546.813673]  ? skb_trim+0x190/0x190
[  546.817297]  ? kasan_check_read+0x11/0x20
[  546.821482]  ndisc_alloc_skb+0x13c/0x340
[  546.825564]  ndisc_send_rs+0x35f/0x6e0
[  546.829464]  addrconf_rs_timer+0x30f/0x680
[  546.834334]  ? ipv6_get_lladdr+0x490/0x490
[  546.838584]  call_timer_fn+0x18d/0x720
[  546.842484]  ? ipv6_get_lladdr+0x490/0x490
[  546.846740]  ? process_timeout+0x40/0x40
[  546.850807]  ? run_timer_softirq+0x644/0x16a0
[  546.855346]  ? trace_hardirqs_on+0x67/0x220
[  546.859676]  ? ipv6_get_lladdr+0x490/0x490
[  546.863923]  run_timer_softirq+0x64f/0x16a0
[  546.868342]  ? add_timer+0xbe0/0xbe0
[  546.872078]  ? __lock_is_held+0xb6/0x140
[  546.876159]  __do_softirq+0x25c/0x921
[  546.880055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.885623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.891188]  irq_exit+0x180/0x1d0
[  546.894663]  smp_apic_timer_interrupt+0x13b/0x550
[  546.899552]  apic_timer_interrupt+0xf/0x20
[  546.903778]  </IRQ>
[  546.906097] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  546.911133] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  546.930037] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  546.937796] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  546.945077] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  546.952360] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  546.959636] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  546.966986] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  546.974318]  ? finish_task_switch+0x146/0x7c0
[  546.978829]  skb_clone+0x156/0x3e0
[  546.982389]  bpf_clone_redirect+0xb2/0x480
[  546.986643]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  546.991678]  ? mark_held_locks+0x100/0x100
[  546.995916]  ? __schedule+0x86e/0x1dc0
[  546.999801]  ? retint_kernel+0x2d/0x2d
[  547.003795]  ? firmware_map_remove+0x1a7/0x1a7
[  547.008382]  ? bpf_test_run+0x146/0x430
[  547.012364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.017918]  ? check_preemption_disabled+0x48/0x290
[  547.022943]  ? lock_acquire+0x16f/0x3f0
[  547.026928]  ? kasan_check_read+0x11/0x20
[  547.031086]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  547.036368]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  547.042548]  bpf_test_run+0x10d/0x430
[  547.046379]  bpf_prog_test_run_skb+0x64b/0xb20
[  547.050963]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  547.056077]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  547.061034]  bpf_prog_test_run+0x129/0x1a0
[  547.065290]  __x64_sys_bpf+0x397/0x4c0
[  547.069184]  ? bpf_prog_get+0x20/0x20
[  547.073034]  ? do_syscall_64+0x26/0x620
[  547.077017]  ? lockdep_hardirqs_on+0x415/0x5d0
[  547.081607]  ? trace_hardirqs_on+0x67/0x220
[  547.085939]  do_syscall_64+0xfd/0x620
[  547.090723]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  547.095922] RIP: 0033:0x45b349
[  547.099141] Code: Bad RIP value.
[  547.102614] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  547.110436] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  547.117720] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  547.124980] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  547.132664] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  547.140100] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  547.147390] warn_alloc_show_mem: 1 callbacks suppressed
[  547.147400] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  547.147401] Mem-Info:
[  547.147431] active_anon:162126 inactive_anon:206 isolated_anon:0
[  547.147431]  active_file:14 inactive_file:11 isolated_file:0
[  547.147431]  unevictable:0 dirty:0 writeback:0 unstable:0
[  547.147431]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  547.147431]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  547.147431]  free:10931 free_pcp:206 free_cma:0
[  547.152789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  547.160262] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  547.162673] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  547.196167] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  547.206048] Call Trace:
[  547.233835] 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
[  547.240962]  <IRQ>
[  547.266725] lowmem_reserve[]: 0 2545 2546 2546 2546
[  547.269522]  dump_stack+0x197/0x210
[  547.295633] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  547.297826]  warn_alloc.cold+0x7b/0x173
[  547.302817] lowmem_reserve[]: 0 0 1 1 1
[  547.306495]  ? zone_watermark_ok_safe+0x260/0x260
[  547.335395] 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
[  547.339411]  ? __cpuset_node_allowed+0x136/0x540
[  547.343362] lowmem_reserve[]: 0 0 0 0 0
[  547.348234]  ? __isolate_free_page+0x4c0/0x4c0
[  547.374103] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  547.378902]  ? wake_all_kswapds+0x14d/0x300
[  547.382865] lowmem_reserve[]: 0 0 0 0 0
[  547.387474]  __alloc_pages_slowpath+0x2214/0x2870
[  547.415647] 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
[  547.420127]  ? warn_alloc+0x110/0x110
[  547.424127] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  547.429027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.441495] 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
[  547.445312]  ? should_fail+0x14d/0x85c
[  547.458662] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  547.464224]  ? __isolate_free_page+0x4c0/0x4c0
[  547.475028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  547.475043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  547.478951]  __alloc_pages_nodemask+0x617/0x750
[  547.494679] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  547.499404]  ? __alloc_pages_slowpath+0x2870/0x2870
[  547.508217] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  547.508227] 281 total pagecache pages
[  547.516936]  cache_grow_begin+0x91/0x8c0
[  547.521584] 0 pages in swap cache
[  547.530449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.535469] Swap cache stats: add 0, delete 0, find 0/0
[  547.544054]  ? __cpuset_node_allowed+0x136/0x540
[  547.547851] Free swap  = 0kB
[  547.551911]  fallback_alloc+0x1fd/0x2d0
[  547.555339] Total swap = 0kB
[  547.560876]  ____cache_alloc_node+0x1be/0x1e0
[  547.566233] 1965979 pages RAM
[  547.570998]  kmem_cache_alloc_node+0xe3/0x710
[  547.574004] 0 pages HighMem/MovableOnly
[  547.574012] 341724 pages reserved
[  547.577990]  __alloc_skb+0xd5/0x5f0
[  547.580981] 0 pages cma reserved
[  547.585486]  ? skb_trim+0x190/0x190
[  547.588651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  547.593074]  ? check_preemption_disabled+0x48/0x290
[  547.597166] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  547.600494]  ? lock_acquire+0x16f/0x3f0
[  547.600521]  new_skb+0x28/0x1d0
[  547.604252] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  547.607638]  aoecmd_cfg+0x1b5/0x640
[  547.607657]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  547.654653]  ? timer_reduce+0x11d0/0x11d0
[  547.659059]  discover_timer+0x4e/0x60
[  547.662860]  call_timer_fn+0x18d/0x720
[  547.666757]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  547.671422]  ? process_timeout+0x40/0x40
[  547.675477]  ? run_timer_softirq+0x644/0x16a0
[  547.680101]  ? trace_hardirqs_on+0x67/0x220
[  547.684421]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  547.689190]  run_timer_softirq+0x64f/0x16a0
[  547.693560]  ? add_timer+0xbe0/0xbe0
[  547.697275]  ? __lock_is_held+0xb6/0x140
[  547.701718]  __do_softirq+0x25c/0x921
[  547.705534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.711084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.716719]  irq_exit+0x180/0x1d0
[  547.720172]  smp_apic_timer_interrupt+0x13b/0x550
[  547.725024]  apic_timer_interrupt+0xf/0x20
[  547.729263]  </IRQ>
[  547.731498] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  547.736434] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  547.755389] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  547.763098] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  547.770575] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  547.777866] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  547.785142] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  547.792449] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  547.799770]  ? mark_held_locks+0xb1/0x100
[  547.804004]  ? __netdev_alloc_skb+0x370/0x470
[  547.808502]  __build_skb+0x3e/0x310
[  547.812256]  __netdev_alloc_skb+0x2ba/0x470
[  547.816587]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  547.821443]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  547.826928]  ? find_held_lock+0x35/0x130
[  547.831033]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  547.835460]  ? check_preemption_disabled+0x48/0x290
[  547.840508]  ? prandom_u32_state+0x13/0x180
[  547.844866]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  547.850079]  ? kmem_cache_alloc+0x32a/0x700
[  547.854417]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  547.859381]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  547.865742]  process_one_work+0x989/0x1750
[  547.870132]  ? pwq_dec_nr_in_flight+0x320/0x320
[  547.874859]  ? lock_acquire+0x16f/0x3f0
[  547.878926]  ? kasan_check_write+0x14/0x20
[  547.883184]  ? do_raw_spin_lock+0xd7/0x250
[  547.887450]  worker_thread+0x98/0xe40
[  547.891273]  kthread+0x354/0x420
[  547.894659]  ? process_one_work+0x1750/0x1750
[  547.899145]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  547.904953]  ret_from_fork+0x24/0x30
[  547.908691] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  547.908761] aoe: skb alloc failure
[  547.916493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  547.916498] Call Trace:
[  547.916505]  <IRQ>
[  547.916523]  dump_stack+0x197/0x210
[  547.916543]  warn_alloc.cold+0x7b/0x173
[  547.916561]  ? zone_watermark_ok_safe+0x260/0x260
[  547.920129] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  547.929688]  ? __cpuset_node_allowed+0x136/0x540
[  547.932267] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  547.934425]  ? __isolate_free_page+0x4c0/0x4c0
[  547.971633]  ? wake_all_kswapds+0x14d/0x300
[  547.976182]  __alloc_pages_slowpath+0x2214/0x2870
[  547.981146]  ? warn_alloc+0x110/0x110
[  547.984951]  ? __lock_acquire+0x6ee/0x49c0
[  547.989197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.994877]  ? should_fail+0x14d/0x85c
[  547.998791]  ? __isolate_free_page+0x4c0/0x4c0
[  548.003493]  __alloc_pages_nodemask+0x617/0x750
[  548.008167]  ? __alloc_pages_slowpath+0x2870/0x2870
[  548.013370]  ? find_held_lock+0x35/0x130
[  548.017515]  cache_grow_begin+0x91/0x8c0
[  548.021841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.027382]  ? __cpuset_node_allowed+0x136/0x540
[  548.032273]  fallback_alloc+0x1fd/0x2d0
[  548.036282]  ____cache_alloc_node+0x1be/0x1e0
[  548.040788]  kmem_cache_alloc_node+0xe3/0x710
[  548.045638]  __alloc_skb+0xd5/0x5f0
[  548.049279]  ? skb_trim+0x190/0x190
[  548.052905]  ? __atomic_notifier_call_chain+0xfd/0x1a0
[  548.058255]  __neigh_notify+0x8b/0x160
[  548.062146]  ? __neigh_event_send+0x1170/0x1170
[  548.066833]  neigh_timer_handler+0x604/0xce0
[  548.071268]  call_timer_fn+0x18d/0x720
[  548.075167]  ? neigh_periodic_work+0xa40/0xa40
[  548.079767]  ? process_timeout+0x40/0x40
[  548.083840]  ? run_timer_softirq+0x644/0x16a0
[  548.088333]  ? trace_hardirqs_on+0x67/0x220
[  548.092877]  ? neigh_periodic_work+0xa40/0xa40
[  548.097642]  run_timer_softirq+0x64f/0x16a0
[  548.101993]  ? add_timer+0xbe0/0xbe0
[  548.105718]  ? __lock_is_held+0xb6/0x140
[  548.109888]  __do_softirq+0x25c/0x921
[  548.113690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.119220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.124870]  irq_exit+0x180/0x1d0
[  548.128331]  smp_apic_timer_interrupt+0x13b/0x550
[  548.133191]  apic_timer_interrupt+0xf/0x20
[  548.137417]  </IRQ>
[  548.139672] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  548.144621] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  548.165025] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  548.174794] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  548.182171] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  548.189456] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  548.196730] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  548.204048] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  548.211371]  ? finish_task_switch+0x146/0x7c0
[  548.215878]  skb_clone+0x156/0x3e0
[  548.219430]  bpf_clone_redirect+0xb2/0x480
[  548.223667]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  548.228717]  ? mark_held_locks+0x100/0x100
[  548.232972]  ? __schedule+0x86e/0x1dc0
[  548.236875]  ? retint_kernel+0x2d/0x2d
[  548.240766]  ? firmware_map_remove+0x1a7/0x1a7
[  548.245363]  ? bpf_test_run+0x146/0x430
[  548.249345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.255429]  ? check_preemption_disabled+0x48/0x290
[  548.260463]  ? lock_acquire+0x16f/0x3f0
[  548.264439]  ? kasan_check_read+0x11/0x20
[  548.268589]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  548.273903]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  548.279534]  bpf_test_run+0x10d/0x430
[  548.283340]  bpf_prog_test_run_skb+0x64b/0xb20
[  548.287941]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  548.292798]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  548.297639]  bpf_prog_test_run+0x129/0x1a0
[  548.301897]  __x64_sys_bpf+0x397/0x4c0
[  548.305888]  ? bpf_prog_get+0x20/0x20
[  548.309698]  ? do_syscall_64+0x26/0x620
[  548.313702]  ? lockdep_hardirqs_on+0x415/0x5d0
[  548.318281]  ? trace_hardirqs_on+0x67/0x220
[  548.322599]  do_syscall_64+0xfd/0x620
[  548.326416]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  548.331601] RIP: 0033:0x45b349
[  548.334810] Code: Bad RIP value.
[  548.338170] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  548.345879] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  548.353166] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  548.360431] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  548.367803] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  548.375188] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  548.382483] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  548.382488] warn_alloc_show_mem: 1 callbacks suppressed
[  548.382495] Mem-Info:
[  548.389943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  548.389969] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  548.395331] active_anon:162126 inactive_anon:206 isolated_anon:0
[  548.395331]  active_file:14 inactive_file:11 isolated_file:0
[  548.395331]  unevictable:0 dirty:0 writeback:0 unstable:0
[  548.395331]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  548.395331]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  548.395331]  free:10931 free_pcp:206 free_cma:0
[  548.397708] Call Trace:
[  548.407079] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  548.414174]  <IRQ>
[  548.447462] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  548.450054]  dump_stack+0x197/0x210
[  548.477636] 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
[  548.479808]  warn_alloc.cold+0x7b/0x173
[  548.505463] lowmem_reserve[]: 0 2545 2546 2546 2546
[  548.509117]  ? zone_watermark_ok_safe+0x260/0x260
[  548.535210] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  548.539207]  ? __cpuset_node_allowed+0x136/0x540
[  548.544197] lowmem_reserve[]: 0 0 1 1 1
[  548.549042]  ? __isolate_free_page+0x4c0/0x4c0
[  548.577830] 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
[  548.582616]  ? wake_all_kswapds+0x14d/0x300
[  548.586566] lowmem_reserve[]: 0 0 0 0 0
[  548.591169]  __alloc_pages_slowpath+0x2214/0x2870
[  548.617065] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  548.621530]  ? warn_alloc+0x110/0x110
[  548.625465] lowmem_reserve[]: 0 0 0 0 0
[  548.630435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.658284] 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
[  548.662095]  ? should_fail+0x14d/0x85c
[  548.666151] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  548.671765]  ? __isolate_free_page+0x4c0/0x4c0
[  548.684229] 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
[  548.688177]  __alloc_pages_nodemask+0x617/0x750
[  548.701524] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  548.706236]  ? __alloc_pages_slowpath+0x2870/0x2870
[  548.717241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  548.721929]  cache_grow_begin+0x91/0x8c0
[  548.737621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  548.742643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.751467] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  548.755630]  ? __cpuset_node_allowed+0x136/0x540
[  548.764200] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  548.764211] 281 total pagecache pages
[  548.769804]  fallback_alloc+0x1fd/0x2d0
[  548.778843] 0 pages in swap cache
[  548.783613]  ____cache_alloc_node+0x1be/0x1e0
[  548.792160] Swap cache stats: add 0, delete 0, find 0/0
[  548.792170] Free swap  = 0kB
[  548.795991]  kmem_cache_alloc_node+0xe3/0x710
[  548.800131] Total swap = 0kB
[  548.800169] 1965979 pages RAM
[  548.803607]  __alloc_skb+0xd5/0x5f0
[  548.808061] 0 pages HighMem/MovableOnly
[  548.808069] 341724 pages reserved
[  548.813454]  ? skb_trim+0x190/0x190
[  548.816452] 0 pages cma reserved
[  548.820952]  ? check_preemption_disabled+0x48/0x290
[  548.824101] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  548.827051]  ? lock_acquire+0x16f/0x3f0
[  548.827076]  new_skb+0x28/0x1d0
[  548.830693] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  548.834662]  aoecmd_cfg+0x1b5/0x640
[  548.876969]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  548.881310]  ? timer_reduce+0x11d0/0x11d0
[  548.885592]  discover_timer+0x4e/0x60
[  548.889415]  call_timer_fn+0x18d/0x720
[  548.893460]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  548.898309]  ? process_timeout+0x40/0x40
[  548.902909]  ? run_timer_softirq+0x644/0x16a0
[  548.907437]  ? trace_hardirqs_on+0x67/0x220
[  548.911862]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  548.916532]  run_timer_softirq+0x64f/0x16a0
[  548.920868]  ? add_timer+0xbe0/0xbe0
[  548.924590]  ? __lock_is_held+0xb6/0x140
[  548.928654]  __do_softirq+0x25c/0x921
[  548.932453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.938000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.943579]  irq_exit+0x180/0x1d0
[  548.947035]  smp_apic_timer_interrupt+0x13b/0x550
[  548.951873]  apic_timer_interrupt+0xf/0x20
[  548.956113]  </IRQ>
[  548.958376] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  548.963313] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  548.982579] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  548.990310] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  548.998693] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  549.005982] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  549.013253] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  549.020523] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  549.027826]  ? mark_held_locks+0xb1/0x100
[  549.031999]  ? __netdev_alloc_skb+0x370/0x470
[  549.036509]  __build_skb+0x3e/0x310
[  549.040150]  __netdev_alloc_skb+0x2ba/0x470
[  549.044478]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  549.049412]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  549.054862]  ? find_held_lock+0x35/0x130
[  549.058956]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  549.063374]  ? check_preemption_disabled+0x48/0x290
[  549.068527]  ? prandom_u32_state+0x13/0x180
[  549.072892]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  549.078100]  ? kmem_cache_alloc+0x32a/0x700
[  549.082449]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  549.087401]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  549.093760]  process_one_work+0x989/0x1750
[  549.098125]  ? pwq_dec_nr_in_flight+0x320/0x320
[  549.102794]  ? lock_acquire+0x16f/0x3f0
[  549.106887]  ? kasan_check_write+0x14/0x20
[  549.111134]  ? do_raw_spin_lock+0xd7/0x250
[  549.115424]  worker_thread+0x98/0xe40
[  549.119680]  kthread+0x354/0x420
[  549.123057]  ? process_one_work+0x1750/0x1750
[  549.127560]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  549.133211]  ret_from_fork+0x24/0x30
[  549.136934] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  549.136991] aoe: skb alloc failure
[  549.144748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  549.144753] Call Trace:
[  549.144760]  <IRQ>
[  549.144780]  dump_stack+0x197/0x210
[  549.144799]  warn_alloc.cold+0x7b/0x173
[  549.144812]  ? zone_watermark_ok_safe+0x260/0x260
[  549.144829]  ? __cpuset_node_allowed+0x136/0x540
[  549.148394] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  549.157739]  ? __isolate_free_page+0x4c0/0x4c0
[  549.160305] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  549.162457]  ? wake_all_kswapds+0x14d/0x300
[  549.204998]  __alloc_pages_slowpath+0x2214/0x2870
[  549.209905]  ? warn_alloc+0x110/0x110
[  549.213727]  ? __lock_acquire+0x6ee/0x49c0
[  549.217959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.223634]  ? should_fail+0x14d/0x85c
[  549.227540]  ? __isolate_free_page+0x4c0/0x4c0
[  549.232139]  __alloc_pages_nodemask+0x617/0x750
[  549.236826]  ? __alloc_pages_slowpath+0x2870/0x2870
[  549.241896]  ? find_held_lock+0x35/0x130
[  549.245981]  cache_grow_begin+0x91/0x8c0
[  549.250143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.255702]  ? __cpuset_node_allowed+0x136/0x540
[  549.260579]  fallback_alloc+0x1fd/0x2d0
[  549.264697]  ____cache_alloc_node+0x1be/0x1e0
[  549.269204]  kmem_cache_alloc_node+0xe3/0x710
[  549.273715]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  549.277963]  __alloc_skb+0xd5/0x5f0
[  549.281589]  ? skb_trim+0x190/0x190
[  549.285215]  ? kasan_check_read+0x11/0x20
[  549.289386]  ndisc_alloc_skb+0x13c/0x340
[  549.293447]  ndisc_send_rs+0x35f/0x6e0
[  549.297350]  addrconf_rs_timer+0x30f/0x680
[  549.301619]  ? ipv6_get_lladdr+0x490/0x490
[  549.305863]  call_timer_fn+0x18d/0x720
[  549.309777]  ? ipv6_get_lladdr+0x490/0x490
[  549.314154]  ? process_timeout+0x40/0x40
[  549.318211]  ? run_timer_softirq+0x644/0x16a0
[  549.322716]  ? trace_hardirqs_on+0x67/0x220
[  549.327090]  ? ipv6_get_lladdr+0x490/0x490
[  549.331322]  run_timer_softirq+0x64f/0x16a0
[  549.335683]  ? add_timer+0xbe0/0xbe0
[  549.339414]  ? __lock_is_held+0xb6/0x140
[  549.343547]  __do_softirq+0x25c/0x921
[  549.347370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.353363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.359287]  irq_exit+0x180/0x1d0
[  549.362775]  smp_apic_timer_interrupt+0x13b/0x550
[  549.367659]  apic_timer_interrupt+0xf/0x20
[  549.371884]  </IRQ>
[  549.374118] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  549.379046] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  549.398190] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  549.405923] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  549.413212] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  549.420497] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  549.427768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  549.435047] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  549.442373]  ? finish_task_switch+0x146/0x7c0
[  549.446924]  skb_clone+0x156/0x3e0
[  549.450479]  bpf_clone_redirect+0xb2/0x480
[  549.454744]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  549.460427]  ? mark_held_locks+0x100/0x100
[  549.464956]  ? __schedule+0x86e/0x1dc0
[  549.468854]  ? retint_kernel+0x2d/0x2d
[  549.472815]  ? firmware_map_remove+0x1a7/0x1a7
[  549.477412]  ? bpf_test_run+0x146/0x430
[  549.481387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.487021]  ? check_preemption_disabled+0x48/0x290
[  549.492051]  ? lock_acquire+0x16f/0x3f0
[  549.496147]  ? kasan_check_read+0x11/0x20
[  549.500666]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  549.506982]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  549.512544]  bpf_test_run+0x10d/0x430
[  549.516438]  bpf_prog_test_run_skb+0x64b/0xb20
[  549.521068]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  549.525916]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  549.530825]  bpf_prog_test_run+0x129/0x1a0
[  549.535059]  __x64_sys_bpf+0x397/0x4c0
[  549.539028]  ? bpf_prog_get+0x20/0x20
[  549.542868]  ? do_syscall_64+0x26/0x620
[  549.546851]  ? lockdep_hardirqs_on+0x415/0x5d0
[  549.551430]  ? trace_hardirqs_on+0x67/0x220
[  549.555890]  do_syscall_64+0xfd/0x620
[  549.559692]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  549.564888] RIP: 0033:0x45b349
[  549.568107] Code: Bad RIP value.
[  549.571463] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  549.579194] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  549.586582] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  549.593945] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  549.601219] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  549.608491] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  549.615809] warn_alloc_show_mem: 1 callbacks suppressed
[  549.615813] Mem-Info:
[  549.615848] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  549.621216] active_anon:162126 inactive_anon:206 isolated_anon:0
[  549.621216]  active_file:14 inactive_file:11 isolated_file:0
[  549.621216]  unevictable:0 dirty:0 writeback:0 unstable:0
[  549.621216]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  549.621216]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  549.621216]  free:10931 free_pcp:206 free_cma:0
[  549.623599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  549.631217] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  549.664267] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  549.673640] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  549.701224] Call Trace:
[  549.708331] 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
[  549.734133]  <IRQ>
[  549.736714] lowmem_reserve[]: 0 2545 2546 2546 2546
[  549.762857]  dump_stack+0x197/0x210
[  549.764998] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  549.770027]  warn_alloc.cold+0x7b/0x173
[  549.773622] lowmem_reserve[]: 0 0 1 1 1
[  549.802627]  ? zone_watermark_ok_safe+0x260/0x260
[  549.806578] 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
[  549.810692]  ? __cpuset_node_allowed+0x136/0x540
[  549.815508] lowmem_reserve[]: 0 0 0 0 0
[  549.841525]  ? __isolate_free_page+0x4c0/0x4c0
[  549.846268] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  549.850334]  ? wake_all_kswapds+0x14d/0x300
[  549.854893] lowmem_reserve[]: 0 0 0 0 0
[  549.882511]  __alloc_pages_slowpath+0x2214/0x2870
[  549.886819] 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
[  549.890822]  ? warn_alloc+0x110/0x110
[  549.895626] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  549.908120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.912012] 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
[  549.925404]  ? should_fail+0x14d/0x85c
[  549.930929] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  549.941615]  ? __isolate_free_page+0x4c0/0x4c0
[  549.945491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  549.961108]  __alloc_pages_nodemask+0x617/0x750
[  549.965664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  549.974680]  ? __alloc_pages_slowpath+0x2870/0x2870
[  549.979334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  549.987922]  cache_grow_begin+0x91/0x8c0
[  549.992916] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  550.001753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.005789] 281 total pagecache pages
[  550.014374]  ? __cpuset_node_allowed+0x136/0x540
[  550.019900] 0 pages in swap cache
[  550.023706]  fallback_alloc+0x1fd/0x2d0
[  550.028442] Swap cache stats: add 0, delete 0, find 0/0
[  550.028452] Free swap  = 0kB
[  550.031929]  ____cache_alloc_node+0x1be/0x1e0
[  550.035874] Total swap = 0kB
[  550.041263]  kmem_cache_alloc_node+0xe3/0x710
[  550.044266] 1965979 pages RAM
[  550.048819]  __alloc_skb+0xd5/0x5f0
[  550.048835]  ? skb_trim+0x190/0x190
[  550.048852]  ? check_preemption_disabled+0x48/0x290
[  550.051854] 0 pages HighMem/MovableOnly
[  550.051863] 341724 pages reserved
[  550.056461]  ? lock_acquire+0x16f/0x3f0
[  550.059542] 0 pages cma reserved
[  550.063247]  new_skb+0x28/0x1d0
[  550.066916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  550.071884]  aoecmd_cfg+0x1b5/0x640
[  550.076004] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  550.079339]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  550.083307] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  550.086684]  ? timer_reduce+0x11d0/0x11d0
[  550.124566]  discover_timer+0x4e/0x60
[  550.128369]  call_timer_fn+0x18d/0x720
[  550.132258]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  550.136939]  ? process_timeout+0x40/0x40
[  550.141013]  ? run_timer_softirq+0x644/0x16a0
[  550.145514]  ? trace_hardirqs_on+0x67/0x220
[  550.149849]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  550.154529]  run_timer_softirq+0x64f/0x16a0
[  550.158873]  ? add_timer+0xbe0/0xbe0
[  550.162594]  ? __lock_is_held+0xb6/0x140
[  550.166663]  __do_softirq+0x25c/0x921
[  550.170467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.176008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.181559]  irq_exit+0x180/0x1d0
[  550.185020]  smp_apic_timer_interrupt+0x13b/0x550
[  550.189921]  apic_timer_interrupt+0xf/0x20
[  550.194157]  </IRQ>
[  550.196387] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  550.201321] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  550.220265] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  550.228001] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  550.235271] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  550.242547] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  550.249818] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  550.257087] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  550.264388]  ? mark_held_locks+0xb1/0x100
[  550.268550]  ? __netdev_alloc_skb+0x370/0x470
[  550.273061]  __build_skb+0x3e/0x310
[  550.276686]  __netdev_alloc_skb+0x2ba/0x470
[  550.281035]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  550.285930]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  550.291324]  ? find_held_lock+0x35/0x130
[  550.295388]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  550.299850]  ? check_preemption_disabled+0x48/0x290
[  550.305103]  ? prandom_u32_state+0x13/0x180
[  550.309441]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  550.314643]  ? kmem_cache_alloc+0x32a/0x700
[  550.318977]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  550.323921]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  550.330258]  process_one_work+0x989/0x1750
[  550.334508]  ? pwq_dec_nr_in_flight+0x320/0x320
[  550.339193]  ? lock_acquire+0x16f/0x3f0
[  550.343166]  ? kasan_check_write+0x14/0x20
[  550.347427]  ? do_raw_spin_lock+0xd7/0x250
[  550.351669]  worker_thread+0x98/0xe40
[  550.355673]  kthread+0x354/0x420
[  550.359048]  ? process_one_work+0x1750/0x1750
[  550.363544]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  550.369091]  ret_from_fork+0x24/0x30
[  550.372816] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  550.372877] aoe: skb alloc failure
[  550.380617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  550.380623] Call Trace:
[  550.380630]  <IRQ>
[  550.380649]  dump_stack+0x197/0x210
[  550.380668]  warn_alloc.cold+0x7b/0x173
[  550.380683]  ? zone_watermark_ok_safe+0x260/0x260
[  550.380700]  ? __cpuset_node_allowed+0x136/0x540
[  550.384276] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  550.393591]  ? __isolate_free_page+0x4c0/0x4c0
[  550.396145] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  550.398287]  ? wake_all_kswapds+0x14d/0x300
[  550.439795]  __alloc_pages_slowpath+0x2214/0x2870
[  550.444758]  ? warn_alloc+0x110/0x110
[  550.448688]  ? __lock_acquire+0x6ee/0x49c0
[  550.453017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.458559]  ? should_fail+0x14d/0x85c
[  550.462469]  ? __isolate_free_page+0x4c0/0x4c0
[  550.467063]  __alloc_pages_nodemask+0x617/0x750
[  550.471742]  ? __alloc_pages_slowpath+0x2870/0x2870
[  550.476761]  ? find_held_lock+0x35/0x130
[  550.480845]  cache_grow_begin+0x91/0x8c0
[  550.484905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.490453]  ? __cpuset_node_allowed+0x136/0x540
[  550.495221]  fallback_alloc+0x1fd/0x2d0
[  550.499210]  ____cache_alloc_node+0x1be/0x1e0
[  550.503715]  kmem_cache_alloc_node+0xe3/0x710
[  550.508207]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  550.512455]  __alloc_skb+0xd5/0x5f0
[  550.516110]  ? skb_trim+0x190/0x190
[  550.519732]  ? kasan_check_read+0x11/0x20
[  550.523897]  ndisc_alloc_skb+0x13c/0x340
[  550.527957]  ndisc_send_rs+0x35f/0x6e0
[  550.531859]  addrconf_rs_timer+0x30f/0x680
[  550.536105]  ? ipv6_get_lladdr+0x490/0x490
[  550.540341]  call_timer_fn+0x18d/0x720
[  550.544228]  ? ipv6_get_lladdr+0x490/0x490
[  550.548472]  ? process_timeout+0x40/0x40
[  550.552528]  ? run_timer_softirq+0x644/0x16a0
[  550.557129]  ? trace_hardirqs_on+0x67/0x220
[  550.561451]  ? ipv6_get_lladdr+0x490/0x490
[  550.565716]  run_timer_softirq+0x64f/0x16a0
[  550.570041]  ? add_timer+0xbe0/0xbe0
[  550.573759]  ? __lock_is_held+0xb6/0x140
[  550.577824]  __do_softirq+0x25c/0x921
[  550.581618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.587152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.592710]  irq_exit+0x180/0x1d0
[  550.596159]  smp_apic_timer_interrupt+0x13b/0x550
[  550.600997]  apic_timer_interrupt+0xf/0x20
[  550.605232]  </IRQ>
[  550.607474] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  550.612414] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  550.631561] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  550.639537] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  550.646801] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  550.654084] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  550.661371] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  550.668631] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  550.676065]  ? finish_task_switch+0x146/0x7c0
[  550.680683]  skb_clone+0x156/0x3e0
[  550.684224]  bpf_clone_redirect+0xb2/0x480
[  550.688590]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  550.693629]  ? mark_held_locks+0x100/0x100
[  550.697964]  ? __schedule+0x86e/0x1dc0
[  550.701866]  ? retint_kernel+0x2d/0x2d
[  550.705778]  ? firmware_map_remove+0x1a7/0x1a7
[  550.710364]  ? bpf_test_run+0x146/0x430
[  550.714357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.720076]  ? check_preemption_disabled+0x48/0x290
[  550.725089]  ? lock_acquire+0x16f/0x3f0
[  550.729175]  ? kasan_check_read+0x11/0x20
[  550.733321]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  550.738525]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  550.744077]  bpf_test_run+0x10d/0x430
[  550.747972]  bpf_prog_test_run_skb+0x64b/0xb20
[  550.752619]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  550.757483]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  550.762321]  bpf_prog_test_run+0x129/0x1a0
[  550.766562]  __x64_sys_bpf+0x397/0x4c0
[  550.770446]  ? bpf_prog_get+0x20/0x20
[  550.774248]  ? do_syscall_64+0x26/0x620
[  550.778234]  ? lockdep_hardirqs_on+0x415/0x5d0
[  550.782827]  ? trace_hardirqs_on+0x67/0x220
[  550.787148]  do_syscall_64+0xfd/0x620
[  550.790971]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  550.796156] RIP: 0033:0x45b349
[  550.799356] Code: Bad RIP value.
[  550.802719] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  550.810424] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  550.817782] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  550.825044] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  550.832312] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  550.839708] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  550.847010] warn_alloc_show_mem: 1 callbacks suppressed
[  550.847021] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  550.847022] Mem-Info:
[  550.847052] active_anon:162126 inactive_anon:206 isolated_anon:0
[  550.847052]  active_file:14 inactive_file:11 isolated_file:0
[  550.847052]  unevictable:0 dirty:0 writeback:0 unstable:0
[  550.847052]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  550.847052]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  550.847052]  free:10931 free_pcp:206 free_cma:0
[  550.852412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  550.852438] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  550.859904] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  550.862300] Call Trace:
[  550.895763] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  550.905245]  <IRQ>
[  550.912340] 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
[  550.939945]  dump_stack+0x197/0x210
[  550.942499] lowmem_reserve[]: 0 2545 2546 2546 2546
[  550.968218]  warn_alloc.cold+0x7b/0x173
[  550.970355] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  550.996660]  ? zone_watermark_ok_safe+0x260/0x260
[  551.000277] lowmem_reserve[]: 0 0 1 1 1
[  551.005299]  ? __cpuset_node_allowed+0x136/0x540
[  551.009250] 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
[  551.038067]  ? __isolate_free_page+0x4c0/0x4c0
[  551.042883] lowmem_reserve[]: 0 0 0 0 0
[  551.046877]  ? wake_all_kswapds+0x14d/0x300
[  551.051618] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  551.077440]  __alloc_pages_slowpath+0x2214/0x2870
[  551.082010] lowmem_reserve[]: 0 0 0 0 0
[  551.086011]  ? warn_alloc+0x110/0x110
[  551.090329] 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
[  551.117961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.122901] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  551.126880]  ? should_fail+0x14d/0x85c
[  551.130648] 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
[  551.143169]  ? __isolate_free_page+0x4c0/0x4c0
[  551.148693] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  551.162074]  __alloc_pages_nodemask+0x617/0x750
[  551.165934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  551.176729]  ? __alloc_pages_slowpath+0x2870/0x2870
[  551.181302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  551.196930]  cache_grow_begin+0x91/0x8c0
[  551.201672] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  551.210617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.215613] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  551.224189]  ? __cpuset_node_allowed+0x136/0x540
[  551.228236] 281 total pagecache pages
[  551.237183]  fallback_alloc+0x1fd/0x2d0
[  551.242699] 0 pages in swap cache
[  551.251279]  ____cache_alloc_node+0x1be/0x1e0
[  551.256005] Swap cache stats: add 0, delete 0, find 0/0
[  551.256015] Free swap  = 0kB
[  551.259815]  kmem_cache_alloc_node+0xe3/0x710
[  551.263753] Total swap = 0kB
[  551.263762] 1965979 pages RAM
[  551.267230]  __alloc_skb+0xd5/0x5f0
[  551.271785] 0 pages HighMem/MovableOnly
[  551.271794] 341724 pages reserved
[  551.277165]  ? skb_trim+0x190/0x190
[  551.280160] 0 pages cma reserved
[  551.284644]  ? check_preemption_disabled+0x48/0x290
[  551.287701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  551.290736]  ? lock_acquire+0x16f/0x3f0
[  551.294541] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  551.298410]  new_skb+0x28/0x1d0
[  551.301830] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  551.305450]  aoecmd_cfg+0x1b5/0x640
[  551.347161]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  551.351484]  ? timer_reduce+0x11d0/0x11d0
[  551.355642]  discover_timer+0x4e/0x60
[  551.359454]  call_timer_fn+0x18d/0x720
[  551.363334]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  551.368095]  ? process_timeout+0x40/0x40
[  551.372163]  ? run_timer_softirq+0x644/0x16a0
[  551.376658]  ? trace_hardirqs_on+0x67/0x220
[  551.380976]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  551.385656]  run_timer_softirq+0x64f/0x16a0
[  551.389992]  ? add_timer+0xbe0/0xbe0
[  551.393790]  ? __lock_is_held+0xb6/0x140
[  551.397854]  __do_softirq+0x25c/0x921
[  551.401662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.407205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.412758]  irq_exit+0x180/0x1d0
[  551.416236]  smp_apic_timer_interrupt+0x13b/0x550
[  551.421259]  apic_timer_interrupt+0xf/0x20
[  551.425494]  </IRQ>
[  551.427734] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  551.432668] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  551.451571] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  551.459289] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  551.466553] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  551.473826] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  551.481097] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  551.488361] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  551.495665]  ? mark_held_locks+0xb1/0x100
[  551.499925]  ? __netdev_alloc_skb+0x370/0x470
[  551.504447]  __build_skb+0x3e/0x310
[  551.508096]  __netdev_alloc_skb+0x2ba/0x470
[  551.512459]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  551.517299]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  551.522701]  ? find_held_lock+0x35/0x130
[  551.526768]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  551.531195]  ? check_preemption_disabled+0x48/0x290
[  551.536218]  ? prandom_u32_state+0x13/0x180
[  551.540541]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  551.545732]  ? kmem_cache_alloc+0x32a/0x700
[  551.550063]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  551.555011]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  551.561341]  process_one_work+0x989/0x1750
[  551.565591]  ? pwq_dec_nr_in_flight+0x320/0x320
[  551.570262]  ? lock_acquire+0x16f/0x3f0
[  551.574237]  ? kasan_check_write+0x14/0x20
[  551.578463]  ? do_raw_spin_lock+0xd7/0x250
[  551.582694]  worker_thread+0x98/0xe40
[  551.586604]  kthread+0x354/0x420
[  551.589976]  ? process_one_work+0x1750/0x1750
[  551.594572]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  551.600111]  ret_from_fork+0x24/0x30
[  551.603832] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  551.603893] aoe: skb alloc failure
[  551.611732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  551.611740] Call Trace:
[  551.615375] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  551.624633]  <IRQ>
[  551.627204] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  551.637625]  dump_stack+0x197/0x210
[  551.648313]  warn_alloc.cold+0x7b/0x173
[  551.652297]  ? zone_watermark_ok_safe+0x260/0x260
[  551.657145]  ? __cpuset_node_allowed+0x136/0x540
[  551.661917]  ? __isolate_free_page+0x4c0/0x4c0
[  551.666506]  ? wake_all_kswapds+0x14d/0x300
[  551.670841]  __alloc_pages_slowpath+0x2214/0x2870
[  551.675789]  ? warn_alloc+0x110/0x110
[  551.679593]  ? __lock_acquire+0x6ee/0x49c0
[  551.683833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.689377]  ? should_fail+0x14d/0x85c
[  551.693261]  ? __isolate_free_page+0x4c0/0x4c0
[  551.697860]  __alloc_pages_nodemask+0x617/0x750
[  551.702543]  ? __alloc_pages_slowpath+0x2870/0x2870
[  551.707603]  ? find_held_lock+0x35/0x130
[  551.711731]  cache_grow_begin+0x91/0x8c0
[  551.715811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.721353]  ? __cpuset_node_allowed+0x136/0x540
[  551.726139]  fallback_alloc+0x1fd/0x2d0
[  551.730131]  ____cache_alloc_node+0x1be/0x1e0
[  551.734670]  kmem_cache_alloc_node+0xe3/0x710
[  551.739182]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  551.743423]  __alloc_skb+0xd5/0x5f0
[  551.747068]  ? skb_trim+0x190/0x190
[  551.750795]  ? kasan_check_read+0x11/0x20
[  551.755044]  ndisc_alloc_skb+0x13c/0x340
[  551.759243]  ndisc_send_rs+0x35f/0x6e0
[  551.763139]  addrconf_rs_timer+0x30f/0x680
[  551.767389]  ? ipv6_get_lladdr+0x490/0x490
[  551.771679]  call_timer_fn+0x18d/0x720
[  551.775587]  ? ipv6_get_lladdr+0x490/0x490
[  551.779901]  ? process_timeout+0x40/0x40
[  551.783969]  ? run_timer_softirq+0x644/0x16a0
[  551.788472]  ? trace_hardirqs_on+0x67/0x220
[  551.792800]  ? ipv6_get_lladdr+0x490/0x490
[  551.797037]  run_timer_softirq+0x64f/0x16a0
[  551.801367]  ? add_timer+0xbe0/0xbe0
[  551.805172]  ? __lock_is_held+0xb6/0x140
[  551.809245]  __do_softirq+0x25c/0x921
[  551.813048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.818610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.824163]  irq_exit+0x180/0x1d0
[  551.827618]  smp_apic_timer_interrupt+0x13b/0x550
[  551.832475]  apic_timer_interrupt+0xf/0x20
[  551.836705]  </IRQ>
[  551.838949] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  551.843878] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  551.862784] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  551.870506] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  551.877782] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  551.885116] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  551.892404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  551.899697] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  551.906997]  ? finish_task_switch+0x146/0x7c0
[  551.911502]  skb_clone+0x156/0x3e0
[  551.915047]  bpf_clone_redirect+0xb2/0x480
[  551.919297]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  551.924332]  ? mark_held_locks+0x100/0x100
[  551.928565]  ? __schedule+0x86e/0x1dc0
[  551.932530]  ? retint_kernel+0x2d/0x2d
[  551.936430]  ? firmware_map_remove+0x1a7/0x1a7
[  551.941008]  ? bpf_test_run+0x146/0x430
[  551.944993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.950536]  ? check_preemption_disabled+0x48/0x290
[  551.955558]  ? lock_acquire+0x16f/0x3f0
[  551.959537]  ? kasan_check_read+0x11/0x20
[  551.963687]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  551.968874]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  551.974414]  bpf_test_run+0x10d/0x430
[  551.978580]  bpf_prog_test_run_skb+0x64b/0xb20
[  551.983163]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  551.988122]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  551.992968]  bpf_prog_test_run+0x129/0x1a0
[  551.997324]  __x64_sys_bpf+0x397/0x4c0
[  552.001218]  ? bpf_prog_get+0x20/0x20
[  552.005309]  ? do_syscall_64+0x26/0x620
[  552.009377]  ? lockdep_hardirqs_on+0x415/0x5d0
[  552.013953]  ? trace_hardirqs_on+0x67/0x220
[  552.018282]  do_syscall_64+0xfd/0x620
[  552.022083]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  552.027270] RIP: 0033:0x45b349
[  552.030468] Code: Bad RIP value.
[  552.033835] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  552.041559] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  552.048830] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  552.056102] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  552.063366] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  552.070634] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  552.077927] warn_alloc_show_mem: 1 callbacks suppressed
[  552.077938] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  552.077940] Mem-Info:
[  552.077970] active_anon:162126 inactive_anon:206 isolated_anon:0
[  552.077970]  active_file:14 inactive_file:11 isolated_file:0
[  552.077970]  unevictable:0 dirty:0 writeback:0 unstable:0
[  552.077970]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  552.077970]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  552.077970]  free:10931 free_pcp:206 free_cma:0
[  552.083305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  552.090773] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  552.093213] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  552.126372] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  552.135709] Call Trace:
[  552.163294] 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
[  552.170411]  <IRQ>
[  552.196265] lowmem_reserve[]: 0 2545 2546 2546 2546
[  552.198872]  dump_stack+0x197/0x210
[  552.224977] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  552.227151]  warn_alloc.cold+0x7b/0x173
[  552.232154] lowmem_reserve[]: 0 0 1 1 1
[  552.235792]  ? zone_watermark_ok_safe+0x260/0x260
[  552.264582] 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
[  552.268572]  ? __cpuset_node_allowed+0x136/0x540
[  552.272535] lowmem_reserve[]: 0 0 0 0 0
[  552.277418]  ? __isolate_free_page+0x4c0/0x4c0
[  552.303281] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  552.308153]  ? wake_all_kswapds+0x14d/0x300
[  552.312113] lowmem_reserve[]: 0 0 0 0 0
[  552.316746]  __alloc_pages_slowpath+0x2214/0x2870
[  552.344363] 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
[  552.348716]  ? warn_alloc+0x110/0x110
[  552.352666] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  552.357539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.370008] 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
[  552.373841]  ? should_fail+0x14d/0x85c
[  552.387263] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  552.392828]  ? __isolate_free_page+0x4c0/0x4c0
[  552.403477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  552.407386]  __alloc_pages_nodemask+0x617/0x750
[  552.423130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  552.423146] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  552.427732]  ? __alloc_pages_slowpath+0x2870/0x2870
[  552.436534] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  552.436547] 281 total pagecache pages
[  552.441239]  cache_grow_begin+0x91/0x8c0
[  552.449788] 0 pages in swap cache
[  552.458630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.463621] Swap cache stats: add 0, delete 0, find 0/0
[  552.472456]  ? __cpuset_node_allowed+0x136/0x540
[  552.476256] Free swap  = 0kB
[  552.476265] Total swap = 0kB
[  552.480324]  fallback_alloc+0x1fd/0x2d0
[  552.483743] 1965979 pages RAM
[  552.489292]  ____cache_alloc_node+0x1be/0x1e0
[  552.494626] 0 pages HighMem/MovableOnly
[  552.499393]  kmem_cache_alloc_node+0xe3/0x710
[  552.502386] 341724 pages reserved
[  552.502394] 0 pages cma reserved
[  552.505412]  __alloc_skb+0xd5/0x5f0
[  552.509412] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  552.512609]  ? skb_trim+0x190/0x190
[  552.517193] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  552.521054]  ? check_preemption_disabled+0x48/0x290
[  552.525545] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  552.529023]  ? lock_acquire+0x16f/0x3f0
[  552.570986]  new_skb+0x28/0x1d0
[  552.574438]  aoecmd_cfg+0x1b5/0x640
[  552.578061]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  552.582512]  ? timer_reduce+0x11d0/0x11d0
[  552.586660]  discover_timer+0x4e/0x60
[  552.590466]  call_timer_fn+0x18d/0x720
[  552.594351]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  552.599013]  ? process_timeout+0x40/0x40
[  552.603164]  ? run_timer_softirq+0x644/0x16a0
[  552.607696]  ? trace_hardirqs_on+0x67/0x220
[  552.612123]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  552.616797]  run_timer_softirq+0x64f/0x16a0
[  552.621207]  ? add_timer+0xbe0/0xbe0
[  552.624963]  ? __lock_is_held+0xb6/0x140
[  552.629044]  __do_softirq+0x25c/0x921
[  552.632874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.638406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.643953]  irq_exit+0x180/0x1d0
[  552.647417]  smp_apic_timer_interrupt+0x13b/0x550
[  552.652261]  apic_timer_interrupt+0xf/0x20
[  552.656497]  </IRQ>
[  552.658729] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  552.663652] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  552.682656] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  552.690373] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  552.697648] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  552.704926] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  552.712191] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  552.719467] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  552.726771]  ? mark_held_locks+0xb1/0x100
[  552.730930]  ? __netdev_alloc_skb+0x370/0x470
[  552.735438]  __build_skb+0x3e/0x310
[  552.739083]  __netdev_alloc_skb+0x2ba/0x470
[  552.743418]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  552.748281]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  552.753646]  ? find_held_lock+0x35/0x130
[  552.757721]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  552.762125]  ? check_preemption_disabled+0x48/0x290
[  552.767234]  ? prandom_u32_state+0x13/0x180
[  552.771555]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  552.776758]  ? kmem_cache_alloc+0x32a/0x700
[  552.781086]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  552.786019]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  552.792355]  process_one_work+0x989/0x1750
[  552.796609]  ? pwq_dec_nr_in_flight+0x320/0x320
[  552.801279]  ? lock_acquire+0x16f/0x3f0
[  552.805249]  ? kasan_check_write+0x14/0x20
[  552.809472]  ? do_raw_spin_lock+0xd7/0x250
[  552.813731]  worker_thread+0x98/0xe40
[  552.817561]  kthread+0x354/0x420
[  552.820931]  ? process_one_work+0x1750/0x1750
[  552.825420]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  552.830952]  ret_from_fork+0x24/0x30
[  552.834709] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  552.834770] aoe: skb alloc failure
[  552.842521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  552.842532] Call Trace:
[  552.846160] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  552.855426]  <IRQ>
[  552.858003] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  552.868409]  dump_stack+0x197/0x210
[  552.879082]  warn_alloc.cold+0x7b/0x173
[  552.883055]  ? zone_watermark_ok_safe+0x260/0x260
[  552.887911]  ? __cpuset_node_allowed+0x136/0x540
[  552.892671]  ? __isolate_free_page+0x4c0/0x4c0
[  552.897263]  ? wake_all_kswapds+0x14d/0x300
[  552.901587]  __alloc_pages_slowpath+0x2214/0x2870
[  552.906454]  ? warn_alloc+0x110/0x110
[  552.910251]  ? __lock_acquire+0x6ee/0x49c0
[  552.914593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.920142]  ? should_fail+0x14d/0x85c
[  552.924041]  ? __isolate_free_page+0x4c0/0x4c0
[  552.928642]  __alloc_pages_nodemask+0x617/0x750
[  552.933333]  ? __alloc_pages_slowpath+0x2870/0x2870
[  552.938360]  ? find_held_lock+0x35/0x130
[  552.942469]  cache_grow_begin+0x91/0x8c0
[  552.946539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.952092]  ? __cpuset_node_allowed+0x136/0x540
[  552.956841]  fallback_alloc+0x1fd/0x2d0
[  552.960845]  ____cache_alloc_node+0x1be/0x1e0
[  552.965342]  kmem_cache_alloc_node+0xe3/0x710
[  552.969853]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  552.974092]  __alloc_skb+0xd5/0x5f0
[  552.977713]  ? skb_trim+0x190/0x190
[  552.981350]  ? kasan_check_read+0x11/0x20
[  552.985503]  ndisc_alloc_skb+0x13c/0x340
[  552.989926]  ndisc_send_rs+0x35f/0x6e0
[  552.993817]  addrconf_rs_timer+0x30f/0x680
[  552.998063]  ? ipv6_get_lladdr+0x490/0x490
[  553.002317]  call_timer_fn+0x18d/0x720
[  553.006200]  ? ipv6_get_lladdr+0x490/0x490
[  553.010428]  ? process_timeout+0x40/0x40
[  553.014492]  ? run_timer_softirq+0x644/0x16a0
[  553.019021]  ? trace_hardirqs_on+0x67/0x220
[  553.023341]  ? ipv6_get_lladdr+0x490/0x490
[  553.027570]  run_timer_softirq+0x64f/0x16a0
[  553.031916]  ? add_timer+0xbe0/0xbe0
[  553.035632]  ? __lock_is_held+0xb6/0x140
[  553.039728]  __do_softirq+0x25c/0x921
[  553.043550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.049082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.054643]  irq_exit+0x180/0x1d0
[  553.058093]  smp_apic_timer_interrupt+0x13b/0x550
[  553.063018]  apic_timer_interrupt+0xf/0x20
[  553.067237]  </IRQ>
[  553.069481] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  553.074412] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  553.093322] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  553.101041] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  553.108304] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  553.115576] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  553.122857] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  553.130129] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  553.137472]  ? finish_task_switch+0x146/0x7c0
[  553.141985]  skb_clone+0x156/0x3e0
[  553.145799]  bpf_clone_redirect+0xb2/0x480
[  553.150048]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  553.155079]  ? mark_held_locks+0x100/0x100
[  553.159414]  ? __schedule+0x86e/0x1dc0
[  553.163295]  ? retint_kernel+0x2d/0x2d
[  553.167210]  ? firmware_map_remove+0x1a7/0x1a7
[  553.171819]  ? bpf_test_run+0x146/0x430
[  553.175794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.181557]  ? check_preemption_disabled+0x48/0x290
[  553.186568]  ? lock_acquire+0x16f/0x3f0
[  553.190642]  ? kasan_check_read+0x11/0x20
[  553.195088]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  553.200287]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  553.205954]  bpf_test_run+0x10d/0x430
[  553.209774]  bpf_prog_test_run_skb+0x64b/0xb20
[  553.214374]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  553.219233]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  553.224212]  bpf_prog_test_run+0x129/0x1a0
[  553.228501]  __x64_sys_bpf+0x397/0x4c0
[  553.233611]  ? bpf_prog_get+0x20/0x20
[  553.237432]  ? do_syscall_64+0x26/0x620
[  553.241464]  ? lockdep_hardirqs_on+0x415/0x5d0
[  553.246059]  ? trace_hardirqs_on+0x67/0x220
[  553.250390]  do_syscall_64+0xfd/0x620
[  553.254216]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  553.259413] RIP: 0033:0x45b349
[  553.262706] Code: Bad RIP value.
[  553.266082] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  553.273818] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  553.281094] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  553.288551] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  553.295870] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  553.303939] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  553.311244] warn_alloc_show_mem: 1 callbacks suppressed
[  553.311255] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  553.311257] Mem-Info:
[  553.311286] active_anon:162126 inactive_anon:206 isolated_anon:0
[  553.311286]  active_file:14 inactive_file:11 isolated_file:0
[  553.311286]  unevictable:0 dirty:0 writeback:0 unstable:0
[  553.311286]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  553.311286]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  553.311286]  free:10931 free_pcp:206 free_cma:0
[  553.316631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  553.324103] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  553.326532] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  553.359681] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  553.369553] Call Trace:
[  553.397161] 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
[  553.404336]  <IRQ>
[  553.430024] lowmem_reserve[]: 0 2545 2546 2546 2546
[  553.432658]  dump_stack+0x197/0x210
[  553.458776] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  553.461091]  warn_alloc.cold+0x7b/0x173
[  553.466098] lowmem_reserve[]: 0 0 1 1 1
[  553.469749]  ? zone_watermark_ok_safe+0x260/0x260
[  553.498653] 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
[  553.502659]  ? __cpuset_node_allowed+0x136/0x540
[  553.506613] lowmem_reserve[]: 0 0 0 0 0
[  553.511506]  ? __isolate_free_page+0x4c0/0x4c0
[  553.537718] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  553.542493]  ? wake_all_kswapds+0x14d/0x300
[  553.546435] lowmem_reserve[]: 0 0 0 0 0
[  553.551167]  __alloc_pages_slowpath+0x2214/0x2870
[  553.578783] 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
[  553.583161]  ? warn_alloc+0x110/0x110
[  553.587120] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  553.591982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.604478] 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
[  553.608317]  ? should_fail+0x14d/0x85c
[  553.621658] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  553.627256]  ? __isolate_free_page+0x4c0/0x4c0
[  553.637899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  553.641840]  __alloc_pages_nodemask+0x617/0x750
[  553.657443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  553.657458] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  553.662061]  ? __alloc_pages_slowpath+0x2870/0x2870
[  553.670884] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  553.675962]  cache_grow_begin+0x91/0x8c0
[  553.684598] 281 total pagecache pages
[  553.693567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.698564] 0 pages in swap cache
[  553.707147]  ? __cpuset_node_allowed+0x136/0x540
[  553.711195] Swap cache stats: add 0, delete 0, find 0/0
[  553.711204] Free swap  = 0kB
[  553.715016]  fallback_alloc+0x1fd/0x2d0
[  553.720535] Total swap = 0kB
[  553.720546] 1965979 pages RAM
[  553.724020]  ____cache_alloc_node+0x1be/0x1e0
[  553.728744] 0 pages HighMem/MovableOnly
[  553.728752] 341724 pages reserved
[  553.734115]  kmem_cache_alloc_node+0xe3/0x710
[  553.737222] 0 pages cma reserved
[  553.741224]  __alloc_skb+0xd5/0x5f0
[  553.744280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  553.747348]  ? skb_trim+0x190/0x190
[  553.751880] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  553.755808]  ? check_preemption_disabled+0x48/0x290
[  553.759265] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  553.763801]  ? lock_acquire+0x16f/0x3f0
[  553.805996]  new_skb+0x28/0x1d0
[  553.809274]  aoecmd_cfg+0x1b5/0x640
[  553.812922]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  553.817269]  ? timer_reduce+0x11d0/0x11d0
[  553.821446]  discover_timer+0x4e/0x60
[  553.825259]  call_timer_fn+0x18d/0x720
[  553.829180]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  553.833857]  ? process_timeout+0x40/0x40
[  553.837929]  ? run_timer_softirq+0x644/0x16a0
[  553.842435]  ? trace_hardirqs_on+0x67/0x220
[  553.846766]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  553.851456]  run_timer_softirq+0x64f/0x16a0
[  553.855792]  ? add_timer+0xbe0/0xbe0
[  553.859502]  ? __lock_is_held+0xb6/0x140
[  553.863576]  __do_softirq+0x25c/0x921
[  553.867376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.872909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.878473]  irq_exit+0x180/0x1d0
[  553.881922]  smp_apic_timer_interrupt+0x13b/0x550
[  553.887016]  apic_timer_interrupt+0xf/0x20
[  553.891260]  </IRQ>
[  553.893510] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  553.898463] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  553.917375] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  553.925092] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  553.932379] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  553.939657] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  553.946922] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  553.954188] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  553.961503]  ? mark_held_locks+0xb1/0x100
[  553.965665]  ? __netdev_alloc_skb+0x370/0x470
[  553.970296]  __build_skb+0x3e/0x310
[  553.973942]  __netdev_alloc_skb+0x2ba/0x470
[  553.978280]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  553.983242]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  553.988611]  ? find_held_lock+0x35/0x130
[  553.992687]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  553.997106]  ? check_preemption_disabled+0x48/0x290
[  554.002130]  ? prandom_u32_state+0x13/0x180
[  554.006648]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  554.011882]  ? kmem_cache_alloc+0x32a/0x700
[  554.016204]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  554.021154]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  554.027499]  process_one_work+0x989/0x1750
[  554.031784]  ? pwq_dec_nr_in_flight+0x320/0x320
[  554.036470]  ? lock_acquire+0x16f/0x3f0
[  554.040483]  ? kasan_check_write+0x14/0x20
[  554.044750]  ? do_raw_spin_lock+0xd7/0x250
[  554.049089]  worker_thread+0x98/0xe40
[  554.052926]  kthread+0x354/0x420
[  554.056300]  ? process_one_work+0x1750/0x1750
[  554.060908]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  554.066453]  ret_from_fork+0x24/0x30
[  554.070177] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  554.070234] aoe: skb alloc failure
[  554.077974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  554.077978] Call Trace:
[  554.077985]  <IRQ>
[  554.078002]  dump_stack+0x197/0x210
[  554.078022]  warn_alloc.cold+0x7b/0x173
[  554.081584] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  554.091036]  ? zone_watermark_ok_safe+0x260/0x260
[  554.093594] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  554.095739]  ? __cpuset_node_allowed+0x136/0x540
[  554.128765]  ? __isolate_free_page+0x4c0/0x4c0
[  554.133364]  ? wake_all_kswapds+0x14d/0x300
[  554.137700]  __alloc_pages_slowpath+0x2214/0x2870
[  554.142553]  ? warn_alloc+0x110/0x110
[  554.146366]  ? __lock_acquire+0x6ee/0x49c0
[  554.151432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.156990]  ? should_fail+0x14d/0x85c
[  554.160888]  ? __isolate_free_page+0x4c0/0x4c0
[  554.165472]  __alloc_pages_nodemask+0x617/0x750
[  554.170169]  ? __alloc_pages_slowpath+0x2870/0x2870
[  554.175205]  ? find_held_lock+0x35/0x130
[  554.179295]  cache_grow_begin+0x91/0x8c0
[  554.183369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.188918]  ? __cpuset_node_allowed+0x136/0x540
[  554.193701]  fallback_alloc+0x1fd/0x2d0
[  554.197691]  ____cache_alloc_node+0x1be/0x1e0
[  554.202189]  kmem_cache_alloc_node+0xe3/0x710
[  554.206683]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  554.211022]  __alloc_skb+0xd5/0x5f0
[  554.214659]  ? skb_trim+0x190/0x190
[  554.218293]  ? kasan_check_read+0x11/0x20
[  554.222445]  ndisc_alloc_skb+0x13c/0x340
[  554.226503]  ndisc_send_rs+0x35f/0x6e0
[  554.230390]  addrconf_rs_timer+0x30f/0x680
[  554.234640]  ? ipv6_get_lladdr+0x490/0x490
[  554.238879]  call_timer_fn+0x18d/0x720
[  554.242799]  ? ipv6_get_lladdr+0x490/0x490
[  554.247029]  ? process_timeout+0x40/0x40
[  554.251082]  ? run_timer_softirq+0x644/0x16a0
[  554.255577]  ? trace_hardirqs_on+0x67/0x220
[  554.259980]  ? ipv6_get_lladdr+0x490/0x490
[  554.264208]  run_timer_softirq+0x64f/0x16a0
[  554.268544]  ? add_timer+0xbe0/0xbe0
[  554.272253]  ? __lock_is_held+0xb6/0x140
[  554.276331]  __do_softirq+0x25c/0x921
[  554.280157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.285885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.291541]  irq_exit+0x180/0x1d0
[  554.295012]  smp_apic_timer_interrupt+0x13b/0x550
[  554.299900]  apic_timer_interrupt+0xf/0x20
[  554.304131]  </IRQ>
[  554.306486] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  554.311409] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  554.330298] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  554.338004] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  554.345263] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  554.352519] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  554.359776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  554.367048] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  554.374342]  ? finish_task_switch+0x146/0x7c0
[  554.378830]  skb_clone+0x156/0x3e0
[  554.382367]  bpf_clone_redirect+0xb2/0x480
[  554.386599]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  554.391633]  ? mark_held_locks+0x100/0x100
[  554.395858]  ? __schedule+0x86e/0x1dc0
[  554.399732]  ? retint_kernel+0x2d/0x2d
[  554.403702]  ? firmware_map_remove+0x1a7/0x1a7
[  554.408275]  ? bpf_test_run+0x146/0x430
[  554.412336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.417874]  ? check_preemption_disabled+0x48/0x290
[  554.422879]  ? lock_acquire+0x16f/0x3f0
[  554.426856]  ? kasan_check_read+0x11/0x20
[  554.430993]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  554.436173]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  554.441709]  bpf_test_run+0x10d/0x430
[  554.445513]  bpf_prog_test_run_skb+0x64b/0xb20
[  554.450097]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  554.454938]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  554.459769]  bpf_prog_test_run+0x129/0x1a0
[  554.463995]  __x64_sys_bpf+0x397/0x4c0
[  554.467876]  ? bpf_prog_get+0x20/0x20
[  554.471685]  ? do_syscall_64+0x26/0x620
[  554.475660]  ? lockdep_hardirqs_on+0x415/0x5d0
[  554.480233]  ? trace_hardirqs_on+0x67/0x220
[  554.484555]  do_syscall_64+0xfd/0x620
[  554.488351]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  554.493529] RIP: 0033:0x45b349
[  554.496720] Code: Bad RIP value.
[  554.500068] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  554.507764] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  554.515032] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  554.522293] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  554.529640] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  554.536910] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  554.544196] warn_alloc_show_mem: 1 callbacks suppressed
[  554.544207] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  554.544208] Mem-Info:
[  554.544237] active_anon:162126 inactive_anon:206 isolated_anon:0
[  554.544237]  active_file:14 inactive_file:11 isolated_file:0
[  554.544237]  unevictable:0 dirty:0 writeback:0 unstable:0
[  554.544237]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  554.544237]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  554.544237]  free:10931 free_pcp:206 free_cma:0
[  554.549577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  554.557023] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  554.559426] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  554.593290] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  554.602626] Call Trace:
[  554.630203] 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
[  554.637329]  <IRQ>
[  554.663101] lowmem_reserve[]: 0 2545 2546 2546 2546
[  554.665702]  dump_stack+0x197/0x210
[  554.691797] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  554.693969]  warn_alloc.cold+0x7b/0x173
[  554.698951] lowmem_reserve[]: 0 0 1 1 1
[  554.702601]  ? zone_watermark_ok_safe+0x260/0x260
[  554.731389] 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
[  554.735369]  ? __cpuset_node_allowed+0x136/0x540
[  554.739317] lowmem_reserve[]: 0 0 0 0 0
[  554.744187]  ? __isolate_free_page+0x4c0/0x4c0
[  554.769920] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  554.774693]  ? wake_all_kswapds+0x14d/0x300
[  554.778635] lowmem_reserve[]: 0 0 0 0 0
[  554.783233]  __alloc_pages_slowpath+0x2214/0x2870
[  554.810966] 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
[  554.815343]  ? warn_alloc+0x110/0x110
[  554.819254] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  554.824117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.837182] 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
[  554.841004]  ? should_fail+0x14d/0x85c
[  554.854433] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  554.859987]  ? __isolate_free_page+0x4c0/0x4c0
[  554.870638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  554.874539]  __alloc_pages_nodemask+0x617/0x750
[  554.890130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  554.894718]  ? __alloc_pages_slowpath+0x2870/0x2870
[  554.903532] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  554.903546] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  554.908233]  cache_grow_begin+0x91/0x8c0
[  554.916773] 281 total pagecache pages
[  554.921911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.930742] 0 pages in swap cache
[  554.939320]  ? __cpuset_node_allowed+0x136/0x540
[  554.943359] Swap cache stats: add 0, delete 0, find 0/0
[  554.947144]  fallback_alloc+0x1fd/0x2d0
[  554.952662] Free swap  = 0kB
[  554.952672] Total swap = 0kB
[  554.956133]  ____cache_alloc_node+0x1be/0x1e0
[  554.960854] 1965979 pages RAM
[  554.966217]  kmem_cache_alloc_node+0xe3/0x710
[  554.970158] 0 pages HighMem/MovableOnly
[  554.973189]  __alloc_skb+0xd5/0x5f0
[  554.976181] 341724 pages reserved
[  554.976190] 0 pages cma reserved
[  554.980698]  ? skb_trim+0x190/0x190
[  554.983848] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  554.988262]  ? check_preemption_disabled+0x48/0x290
[  554.992275] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  554.995841]  ? lock_acquire+0x16f/0x3f0
[  554.995866]  new_skb+0x28/0x1d0
[  554.999295] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  555.002662]  aoecmd_cfg+0x1b5/0x640
[  555.044740]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  555.049061]  ? timer_reduce+0x11d0/0x11d0
[  555.053226]  discover_timer+0x4e/0x60
[  555.057024]  call_timer_fn+0x18d/0x720
[  555.061037]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  555.065715]  ? process_timeout+0x40/0x40
[  555.069777]  ? run_timer_softirq+0x644/0x16a0
[  555.074285]  ? trace_hardirqs_on+0x67/0x220
[  555.078603]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  555.083277]  run_timer_softirq+0x64f/0x16a0
[  555.087615]  ? add_timer+0xbe0/0xbe0
[  555.091326]  ? __lock_is_held+0xb6/0x140
[  555.095496]  __do_softirq+0x25c/0x921
[  555.099290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.104848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.110389]  irq_exit+0x180/0x1d0
[  555.113838]  smp_apic_timer_interrupt+0x13b/0x550
[  555.118689]  apic_timer_interrupt+0xf/0x20
[  555.122913]  </IRQ>
[  555.125146] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  555.130074] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  555.148977] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  555.156691] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  555.163961] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  555.171222] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  555.178489] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  555.185749] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  555.193047]  ? mark_held_locks+0xb1/0x100
[  555.197207]  ? __netdev_alloc_skb+0x370/0x470
[  555.201892]  __build_skb+0x3e/0x310
[  555.205515]  __netdev_alloc_skb+0x2ba/0x470
[  555.209853]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  555.214710]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  555.220079]  ? find_held_lock+0x35/0x130
[  555.224158]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  555.228569]  ? check_preemption_disabled+0x48/0x290
[  555.233588]  ? prandom_u32_state+0x13/0x180
[  555.237910]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  555.243117]  ? kmem_cache_alloc+0x32a/0x700
[  555.247441]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  555.252393]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  555.258715]  process_one_work+0x989/0x1750
[  555.263055]  ? pwq_dec_nr_in_flight+0x320/0x320
[  555.267735]  ? lock_acquire+0x16f/0x3f0
[  555.271723]  ? kasan_check_write+0x14/0x20
[  555.275953]  ? do_raw_spin_lock+0xd7/0x250
[  555.280193]  worker_thread+0x98/0xe40
[  555.284016]  kthread+0x354/0x420
[  555.287379]  ? process_one_work+0x1750/0x1750
[  555.291869]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  555.297562]  ret_from_fork+0x24/0x30
[  555.301287] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  555.301348] aoe: skb alloc failure
[  555.309098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  555.309104] Call Trace:
[  555.309110]  <IRQ>
[  555.309129]  dump_stack+0x197/0x210
[  555.309148]  warn_alloc.cold+0x7b/0x173
[  555.309166]  ? zone_watermark_ok_safe+0x260/0x260
[  555.312721] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  555.322057]  ? __cpuset_node_allowed+0x136/0x540
[  555.324637] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  555.326794]  ? __isolate_free_page+0x4c0/0x4c0
[  555.363797]  ? wake_all_kswapds+0x14d/0x300
[  555.368139]  __alloc_pages_slowpath+0x2214/0x2870
[  555.373002]  ? warn_alloc+0x110/0x110
[  555.376822]  ? __lock_acquire+0x6ee/0x49c0
[  555.381159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.386693]  ? should_fail+0x14d/0x85c
[  555.390633]  ? __isolate_free_page+0x4c0/0x4c0
[  555.395216]  __alloc_pages_nodemask+0x617/0x750
[  555.399899]  ? __alloc_pages_slowpath+0x2870/0x2870
[  555.404917]  ? find_held_lock+0x35/0x130
[  555.408993]  cache_grow_begin+0x91/0x8c0
[  555.413052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.418598]  ? __cpuset_node_allowed+0x136/0x540
[  555.423363]  fallback_alloc+0x1fd/0x2d0
[  555.427347]  ____cache_alloc_node+0x1be/0x1e0
[  555.431847]  kmem_cache_alloc_node+0xe3/0x710
[  555.436337]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  555.440584]  __alloc_skb+0xd5/0x5f0
[  555.444215]  ? skb_trim+0x190/0x190
[  555.447891]  ? kasan_check_read+0x11/0x20
[  555.452056]  ndisc_alloc_skb+0x13c/0x340
[  555.456124]  ndisc_send_rs+0x35f/0x6e0
[  555.460123]  addrconf_rs_timer+0x30f/0x680
[  555.464358]  ? ipv6_get_lladdr+0x490/0x490
[  555.468609]  call_timer_fn+0x18d/0x720
[  555.472510]  ? ipv6_get_lladdr+0x490/0x490
[  555.476737]  ? process_timeout+0x40/0x40
[  555.480800]  ? run_timer_softirq+0x644/0x16a0
[  555.485316]  ? trace_hardirqs_on+0x67/0x220
[  555.489764]  ? ipv6_get_lladdr+0x490/0x490
[  555.493994]  run_timer_softirq+0x64f/0x16a0
[  555.498329]  ? add_timer+0xbe0/0xbe0
[  555.502044]  ? __lock_is_held+0xb6/0x140
[  555.506123]  __do_softirq+0x25c/0x921
[  555.509931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.515460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.521012]  irq_exit+0x180/0x1d0
[  555.524482]  smp_apic_timer_interrupt+0x13b/0x550
[  555.529337]  apic_timer_interrupt+0xf/0x20
[  555.533762]  </IRQ>
[  555.536001] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  555.540923] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  555.559841] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  555.567553] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  555.574833] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  555.582102] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  555.589378] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  555.596664] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  555.603964]  ? finish_task_switch+0x146/0x7c0
[  555.608464]  skb_clone+0x156/0x3e0
[  555.612000]  bpf_clone_redirect+0xb2/0x480
[  555.616247]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  555.621296]  ? mark_held_locks+0x100/0x100
[  555.625547]  ? __schedule+0x86e/0x1dc0
[  555.629433]  ? retint_kernel+0x2d/0x2d
[  555.633327]  ? firmware_map_remove+0x1a7/0x1a7
[  555.638027]  ? bpf_test_run+0x146/0x430
[  555.642010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.647554]  ? check_preemption_disabled+0x48/0x290
[  555.652572]  ? lock_acquire+0x16f/0x3f0
[  555.656549]  ? kasan_check_read+0x11/0x20
[  555.660705]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  555.666008]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  555.671553]  bpf_test_run+0x10d/0x430
[  555.675371]  bpf_prog_test_run_skb+0x64b/0xb20
[  555.679975]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  555.684869]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  555.689749]  bpf_prog_test_run+0x129/0x1a0
[  555.694014]  __x64_sys_bpf+0x397/0x4c0
[  555.697909]  ? bpf_prog_get+0x20/0x20
[  555.701710]  ? do_syscall_64+0x26/0x620
[  555.705686]  ? lockdep_hardirqs_on+0x415/0x5d0
[  555.710379]  ? trace_hardirqs_on+0x67/0x220
[  555.714710]  do_syscall_64+0xfd/0x620
[  555.718572]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  555.723826] RIP: 0033:0x45b349
[  555.727031] Code: Bad RIP value.
[  555.730393] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  555.738100] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  555.745376] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  555.752661] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  555.759951] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  555.767316] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  555.774606] warn_alloc_show_mem: 1 callbacks suppressed
[  555.774616] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  555.774618] Mem-Info:
[  555.774648] active_anon:162126 inactive_anon:206 isolated_anon:0
[  555.774648]  active_file:14 inactive_file:11 isolated_file:0
[  555.774648]  unevictable:0 dirty:0 writeback:0 unstable:0
[  555.774648]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  555.774648]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  555.774648]  free:10931 free_pcp:206 free_cma:0
[  555.780186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  555.780212] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  555.787661] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  555.790062] Call Trace:
[  555.823328] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  555.832636]  <IRQ>
[  555.839734] 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
[  555.867430]  dump_stack+0x197/0x210
[  555.870039] lowmem_reserve[]: 0 2545 2546 2546 2546
[  555.895861]  warn_alloc.cold+0x7b/0x173
[  555.897981] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  555.924276]  ? zone_watermark_ok_safe+0x260/0x260
[  555.928002] lowmem_reserve[]: 0 0 1 1 1
[  555.933017]  ? __cpuset_node_allowed+0x136/0x540
[  555.936961] 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
[  555.965778]  ? __isolate_free_page+0x4c0/0x4c0
[  555.970598] lowmem_reserve[]: 0 0 0 0 0
[  555.974590]  ? wake_all_kswapds+0x14d/0x300
[  555.979444] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  556.005572]  __alloc_pages_slowpath+0x2214/0x2870
[  556.010124] lowmem_reserve[]: 0 0 0 0 0
[  556.014133]  ? warn_alloc+0x110/0x110
[  556.018414] 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
[  556.045935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.050749] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  556.054730]  ? should_fail+0x14d/0x85c
[  556.058512] 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
[  556.071011]  ? __isolate_free_page+0x4c0/0x4c0
[  556.076530] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  556.090003]  __alloc_pages_nodemask+0x617/0x750
[  556.093871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  556.104561]  ? __alloc_pages_slowpath+0x2870/0x2870
[  556.109124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  556.109140] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  556.124763]  cache_grow_begin+0x91/0x8c0
[  556.129415] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  556.138256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.143378] 281 total pagecache pages
[  556.151969]  ? __cpuset_node_allowed+0x136/0x540
[  556.160796] 0 pages in swap cache
[  556.164864]  fallback_alloc+0x1fd/0x2d0
[  556.173426] Swap cache stats: add 0, delete 0, find 0/0
[  556.178976]  ____cache_alloc_node+0x1be/0x1e0
[  556.182756] Free swap  = 0kB
[  556.182766] Total swap = 0kB
[  556.187536]  kmem_cache_alloc_node+0xe3/0x710
[  556.190969] 1965979 pages RAM
[  556.194954]  __alloc_skb+0xd5/0x5f0
[  556.200314] 0 pages HighMem/MovableOnly
[  556.204815]  ? skb_trim+0x190/0x190
[  556.207832] 341724 pages reserved
[  556.207841] 0 pages cma reserved
[  556.210874]  ? check_preemption_disabled+0x48/0x290
[  556.215428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  556.218464]  ? lock_acquire+0x16f/0x3f0
[  556.218489]  new_skb+0x28/0x1d0
[  556.222160] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  556.226083]  aoecmd_cfg+0x1b5/0x640
[  556.229710] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  556.233167]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  556.279272]  ? timer_reduce+0x11d0/0x11d0
[  556.283467]  discover_timer+0x4e/0x60
[  556.287276]  call_timer_fn+0x18d/0x720
[  556.291170]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  556.295856]  ? process_timeout+0x40/0x40
[  556.299928]  ? run_timer_softirq+0x644/0x16a0
[  556.304528]  ? trace_hardirqs_on+0x67/0x220
[  556.309050]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  556.313738]  run_timer_softirq+0x64f/0x16a0
[  556.318068]  ? add_timer+0xbe0/0xbe0
[  556.321792]  ? __lock_is_held+0xb6/0x140
[  556.325869]  __do_softirq+0x25c/0x921
[  556.329675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.335320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.340887]  irq_exit+0x180/0x1d0
[  556.344349]  smp_apic_timer_interrupt+0x13b/0x550
[  556.349203]  apic_timer_interrupt+0xf/0x20
[  556.353433]  </IRQ>
[  556.355667] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  556.360594] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  556.379620] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  556.387334] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  556.394609] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  556.401880] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  556.409151] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  556.416585] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  556.423914]  ? mark_held_locks+0xb1/0x100
[  556.428082]  ? __netdev_alloc_skb+0x370/0x470
[  556.432578]  __build_skb+0x3e/0x310
[  556.436218]  __netdev_alloc_skb+0x2ba/0x470
[  556.440545]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  556.445523]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  556.450897]  ? find_held_lock+0x35/0x130
[  556.454962]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  556.459380]  ? check_preemption_disabled+0x48/0x290
[  556.464409]  ? prandom_u32_state+0x13/0x180
[  556.468781]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  556.473984]  ? kmem_cache_alloc+0x32a/0x700
[  556.478316]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  556.483258]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  556.489678]  process_one_work+0x989/0x1750
[  556.493929]  ? pwq_dec_nr_in_flight+0x320/0x320
[  556.498603]  ? lock_acquire+0x16f/0x3f0
[  556.502595]  ? kasan_check_write+0x14/0x20
[  556.506837]  ? do_raw_spin_lock+0xd7/0x250
[  556.511098]  worker_thread+0x98/0xe40
[  556.514912]  kthread+0x354/0x420
[  556.518272]  ? process_one_work+0x1750/0x1750
[  556.522767]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  556.528307]  ret_from_fork+0x24/0x30
[  556.532124] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  556.532190] aoe: skb alloc failure
[  556.539934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  556.539939] Call Trace:
[  556.539945]  <IRQ>
[  556.539964]  dump_stack+0x197/0x210
[  556.539984]  warn_alloc.cold+0x7b/0x173
[  556.540003]  ? zone_watermark_ok_safe+0x260/0x260
[  556.543598] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  556.552892]  ? __cpuset_node_allowed+0x136/0x540
[  556.555453] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  556.557610]  ? __isolate_free_page+0x4c0/0x4c0
[  556.595213]  ? wake_all_kswapds+0x14d/0x300
[  556.599557]  __alloc_pages_slowpath+0x2214/0x2870
[  556.604409]  ? warn_alloc+0x110/0x110
[  556.608378]  ? __lock_acquire+0x6ee/0x49c0
[  556.612608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.618151]  ? should_fail+0x14d/0x85c
[  556.622043]  ? __isolate_free_page+0x4c0/0x4c0
[  556.626639]  __alloc_pages_nodemask+0x617/0x750
[  556.631319]  ? __alloc_pages_slowpath+0x2870/0x2870
[  556.636359]  ? find_held_lock+0x35/0x130
[  556.640434]  cache_grow_begin+0x91/0x8c0
[  556.644492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.650024]  ? __cpuset_node_allowed+0x136/0x540
[  556.654810]  fallback_alloc+0x1fd/0x2d0
[  556.658792]  ____cache_alloc_node+0x1be/0x1e0
[  556.663298]  kmem_cache_alloc_node+0xe3/0x710
[  556.667789]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  556.672034]  __alloc_skb+0xd5/0x5f0
[  556.675672]  ? skb_trim+0x190/0x190
[  556.679330]  ? kasan_check_read+0x11/0x20
[  556.683491]  ndisc_alloc_skb+0x13c/0x340
[  556.687683]  ndisc_send_rs+0x35f/0x6e0
[  556.691585]  addrconf_rs_timer+0x30f/0x680
[  556.695830]  ? ipv6_get_lladdr+0x490/0x490
[  556.700075]  call_timer_fn+0x18d/0x720
[  556.704006]  ? ipv6_get_lladdr+0x490/0x490
[  556.708247]  ? process_timeout+0x40/0x40
[  556.712388]  ? run_timer_softirq+0x644/0x16a0
[  556.716889]  ? trace_hardirqs_on+0x67/0x220
[  556.721206]  ? ipv6_get_lladdr+0x490/0x490
[  556.725447]  run_timer_softirq+0x64f/0x16a0
[  556.729782]  ? add_timer+0xbe0/0xbe0
[  556.733564]  ? __lock_is_held+0xb6/0x140
[  556.737645]  __do_softirq+0x25c/0x921
[  556.741450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.746979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.752534]  irq_exit+0x180/0x1d0
[  556.755997]  smp_apic_timer_interrupt+0x13b/0x550
[  556.760849]  apic_timer_interrupt+0xf/0x20
[  556.765073]  </IRQ>
[  556.767305] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  556.772239] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  556.791147] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  556.798860] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  556.806130] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  556.813402] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  556.820669] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  556.827928] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  556.835228]  ? finish_task_switch+0x146/0x7c0
[  556.839753]  skb_clone+0x156/0x3e0
[  556.843293]  bpf_clone_redirect+0xb2/0x480
[  556.847528]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  556.852655]  ? mark_held_locks+0x100/0x100
[  556.856905]  ? __schedule+0x86e/0x1dc0
[  556.860795]  ? retint_kernel+0x2d/0x2d
[  556.864684]  ? firmware_map_remove+0x1a7/0x1a7
[  556.869342]  ? bpf_test_run+0x146/0x430
[  556.873335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.878879]  ? check_preemption_disabled+0x48/0x290
[  556.883889]  ? lock_acquire+0x16f/0x3f0
[  556.887896]  ? kasan_check_read+0x11/0x20
[  556.892146]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  556.897340]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  556.902886]  bpf_test_run+0x10d/0x430
[  556.906689]  bpf_prog_test_run_skb+0x64b/0xb20
[  556.911293]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  556.916158]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  556.920996]  bpf_prog_test_run+0x129/0x1a0
[  556.925248]  __x64_sys_bpf+0x397/0x4c0
[  556.929352]  ? bpf_prog_get+0x20/0x20
[  556.933172]  ? do_syscall_64+0x26/0x620
[  556.937206]  ? lockdep_hardirqs_on+0x415/0x5d0
[  556.941908]  ? trace_hardirqs_on+0x67/0x220
[  556.946248]  do_syscall_64+0xfd/0x620
[  556.950058]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  556.955369] RIP: 0033:0x45b349
[  556.958565] Code: Bad RIP value.
[  556.961982] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  556.969689] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  556.976966] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  556.984240] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  556.991499] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  556.998859] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  557.006334] warn_alloc_show_mem: 1 callbacks suppressed
[  557.006344] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  557.006346] Mem-Info:
[  557.006377] active_anon:162126 inactive_anon:206 isolated_anon:0
[  557.006377]  active_file:14 inactive_file:11 isolated_file:0
[  557.006377]  unevictable:0 dirty:0 writeback:0 unstable:0
[  557.006377]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  557.006377]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  557.006377]  free:10931 free_pcp:206 free_cma:0
[  557.011712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  557.011737] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  557.019182] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  557.021586] Call Trace:
[  557.054857] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  557.064210]  <IRQ>
[  557.071303] 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
[  557.099245]  dump_stack+0x197/0x210
[  557.101812] lowmem_reserve[]: 0 2545 2546 2546 2546
[  557.127610]  warn_alloc.cold+0x7b/0x173
[  557.129748] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  557.156023]  ? zone_watermark_ok_safe+0x260/0x260
[  557.159726] lowmem_reserve[]: 0 0 1 1 1
[  557.164761]  ? __cpuset_node_allowed+0x136/0x540
[  557.168723] 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
[  557.197654]  ? __isolate_free_page+0x4c0/0x4c0
[  557.202711] lowmem_reserve[]: 0 0 0 0 0
[  557.207240]  ? wake_all_kswapds+0x14d/0x300
[  557.211980] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  557.237879]  __alloc_pages_slowpath+0x2214/0x2870
[  557.242434] lowmem_reserve[]: 0 0 0 0 0
[  557.246450]  ? warn_alloc+0x110/0x110
[  557.250730] 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
[  557.278258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.283088] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  557.287065]  ? should_fail+0x14d/0x85c
[  557.290837] 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
[  557.303351]  ? __isolate_free_page+0x4c0/0x4c0
[  557.308872] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  557.322349]  __alloc_pages_nodemask+0x617/0x750
[  557.326259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  557.336927]  ? __alloc_pages_slowpath+0x2870/0x2870
[  557.341492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  557.341507] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  557.357231]  cache_grow_begin+0x91/0x8c0
[  557.361900] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  557.361909] 281 total pagecache pages
[  557.370755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.375774] 0 pages in swap cache
[  557.384365]  ? __cpuset_node_allowed+0x136/0x540
[  557.393192] Swap cache stats: add 0, delete 0, find 0/0
[  557.393202] Free swap  = 0kB
[  557.397271]  fallback_alloc+0x1fd/0x2d0
[  557.405827] Total swap = 0kB
[  557.409638]  ____cache_alloc_node+0x1be/0x1e0
[  557.415152] 1965979 pages RAM
[  557.418608]  kmem_cache_alloc_node+0xe3/0x710
[  557.423328] 0 pages HighMem/MovableOnly
[  557.423337] 341724 pages reserved
[  557.428715]  __alloc_skb+0xd5/0x5f0
[  557.431701] 0 pages cma reserved
[  557.435677]  ? skb_trim+0x190/0x190
[  557.438745] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  557.443185]  ? check_preemption_disabled+0x48/0x290
[  557.446399] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  557.451554]  ? lock_acquire+0x16f/0x3f0
[  557.451579]  new_skb+0x28/0x1d0
[  557.455536] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  557.458997]  aoecmd_cfg+0x1b5/0x640
[  557.507960]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  557.512284]  ? timer_reduce+0x11d0/0x11d0
[  557.516443]  discover_timer+0x4e/0x60
[  557.520239]  call_timer_fn+0x18d/0x720
[  557.524138]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  557.528800]  ? process_timeout+0x40/0x40
[  557.532857]  ? run_timer_softirq+0x644/0x16a0
[  557.537374]  ? trace_hardirqs_on+0x67/0x220
[  557.541761]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  557.546462]  run_timer_softirq+0x64f/0x16a0
[  557.550800]  ? add_timer+0xbe0/0xbe0
[  557.554548]  ? __lock_is_held+0xb6/0x140
[  557.558629]  __do_softirq+0x25c/0x921
[  557.562431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.567972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.573529]  irq_exit+0x180/0x1d0
[  557.576984]  smp_apic_timer_interrupt+0x13b/0x550
[  557.581840]  apic_timer_interrupt+0xf/0x20
[  557.586161]  </IRQ>
[  557.588407] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  557.593603] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  557.612622] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  557.620347] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  557.627609] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  557.634877] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  557.642257] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  557.649530] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  557.656838]  ? mark_held_locks+0xb1/0x100
[  557.660994]  ? __netdev_alloc_skb+0x370/0x470
[  557.665502]  __build_skb+0x3e/0x310
[  557.669142]  __netdev_alloc_skb+0x2ba/0x470
[  557.673584]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  557.678421]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  557.683805]  ? find_held_lock+0x35/0x130
[  557.687884]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  557.692312]  ? check_preemption_disabled+0x48/0x290
[  557.697336]  ? prandom_u32_state+0x13/0x180
[  557.701668]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  557.706980]  ? kmem_cache_alloc+0x32a/0x700
[  557.711322]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  557.716273]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  557.722613]  process_one_work+0x989/0x1750
[  557.726865]  ? pwq_dec_nr_in_flight+0x320/0x320
[  557.731538]  ? lock_acquire+0x16f/0x3f0
[  557.735523]  ? kasan_check_write+0x14/0x20
[  557.739763]  ? do_raw_spin_lock+0xd7/0x250
[  557.743996]  worker_thread+0x98/0xe40
[  557.747826]  kthread+0x354/0x420
[  557.751206]  ? process_one_work+0x1750/0x1750
[  557.755695]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  557.761239]  ret_from_fork+0x24/0x30
[  557.764962] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  557.765021] aoe: skb alloc failure
[  557.772869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  557.772878] Call Trace:
[  557.776509] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  557.785777]  <IRQ>
[  557.788492] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  557.798897]  dump_stack+0x197/0x210
[  557.809568]  warn_alloc.cold+0x7b/0x173
[  557.813579]  ? zone_watermark_ok_safe+0x260/0x260
[  557.818432]  ? __cpuset_node_allowed+0x136/0x540
[  557.823222]  ? __isolate_free_page+0x4c0/0x4c0
[  557.827810]  ? wake_all_kswapds+0x14d/0x300
[  557.832130]  __alloc_pages_slowpath+0x2214/0x2870
[  557.837000]  ? warn_alloc+0x110/0x110
[  557.840809]  ? __lock_acquire+0x6ee/0x49c0
[  557.845054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.850597]  ? should_fail+0x14d/0x85c
[  557.854498]  ? __isolate_free_page+0x4c0/0x4c0
[  557.859103]  __alloc_pages_nodemask+0x617/0x750
[  557.863780]  ? __alloc_pages_slowpath+0x2870/0x2870
[  557.868812]  ? find_held_lock+0x35/0x130
[  557.872874]  cache_grow_begin+0x91/0x8c0
[  557.877103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.882653]  ? __cpuset_node_allowed+0x136/0x540
[  557.887413]  fallback_alloc+0x1fd/0x2d0
[  557.891586]  ____cache_alloc_node+0x1be/0x1e0
[  557.896093]  kmem_cache_alloc_node+0xe3/0x710
[  557.900601]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  557.904928]  __alloc_skb+0xd5/0x5f0
[  557.908552]  ? skb_trim+0x190/0x190
[  557.912179]  ? kasan_check_read+0x11/0x20
[  557.916332]  ndisc_alloc_skb+0x13c/0x340
[  557.920386]  ndisc_send_rs+0x35f/0x6e0
[  557.924295]  addrconf_rs_timer+0x30f/0x680
[  557.928535]  ? ipv6_get_lladdr+0x490/0x490
[  557.932770]  call_timer_fn+0x18d/0x720
[  557.936650]  ? ipv6_get_lladdr+0x490/0x490
[  557.940895]  ? process_timeout+0x40/0x40
[  557.944947]  ? run_timer_softirq+0x644/0x16a0
[  557.949444]  ? trace_hardirqs_on+0x67/0x220
[  557.953762]  ? ipv6_get_lladdr+0x490/0x490
[  557.958005]  run_timer_softirq+0x64f/0x16a0
[  557.962339]  ? add_timer+0xbe0/0xbe0
[  557.966059]  ? __lock_is_held+0xb6/0x140
[  557.970124]  __do_softirq+0x25c/0x921
[  557.973931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.979460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.985013]  irq_exit+0x180/0x1d0
[  557.988481]  smp_apic_timer_interrupt+0x13b/0x550
[  557.993349]  apic_timer_interrupt+0xf/0x20
[  557.997591]  </IRQ>
[  557.999828] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  558.004750] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  558.023651] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  558.031354] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  558.038665] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  558.046900] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  558.054297] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  558.061658] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  558.068960]  ? finish_task_switch+0x146/0x7c0
[  558.073493]  skb_clone+0x156/0x3e0
[  558.077046]  bpf_clone_redirect+0xb2/0x480
[  558.081438]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  558.086567]  ? mark_held_locks+0x100/0x100
[  558.090799]  ? __schedule+0x86e/0x1dc0
[  558.094691]  ? retint_kernel+0x2d/0x2d
[  558.098585]  ? firmware_map_remove+0x1a7/0x1a7
[  558.103305]  ? bpf_test_run+0x146/0x430
[  558.107309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.112846]  ? check_preemption_disabled+0x48/0x290
[  558.118028]  ? lock_acquire+0x16f/0x3f0
[  558.122016]  ? kasan_check_read+0x11/0x20
[  558.126172]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  558.131360]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  558.136898]  bpf_test_run+0x10d/0x430
[  558.140828]  bpf_prog_test_run_skb+0x64b/0xb20
[  558.145415]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  558.150283]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  558.155130]  bpf_prog_test_run+0x129/0x1a0
[  558.159373]  __x64_sys_bpf+0x397/0x4c0
[  558.163254]  ? bpf_prog_get+0x20/0x20
[  558.167073]  ? do_syscall_64+0x26/0x620
[  558.171061]  ? lockdep_hardirqs_on+0x415/0x5d0
[  558.175653]  ? trace_hardirqs_on+0x67/0x220
[  558.179985]  do_syscall_64+0xfd/0x620
[  558.183782]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  558.188974] RIP: 0033:0x45b349
[  558.192193] Code: Bad RIP value.
[  558.195548] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  558.203249] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  558.210526] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  558.217793] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  558.225071] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  558.232340] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  558.239623] warn_alloc_show_mem: 1 callbacks suppressed
[  558.239633] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  558.239635] Mem-Info:
[  558.239665] active_anon:162126 inactive_anon:206 isolated_anon:0
[  558.239665]  active_file:14 inactive_file:11 isolated_file:0
[  558.239665]  unevictable:0 dirty:0 writeback:0 unstable:0
[  558.239665]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  558.239665]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  558.239665]  free:10931 free_pcp:206 free_cma:0
[  558.245021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  558.252499] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  558.254902] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  558.287978] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  558.297316] Call Trace:
[  558.325074] 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
[  558.332176]  <IRQ>
[  558.357854] lowmem_reserve[]: 0 2545 2546 2546 2546
[  558.360445]  dump_stack+0x197/0x210
[  558.387151] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  558.389326]  warn_alloc.cold+0x7b/0x173
[  558.394313] lowmem_reserve[]: 0 0 1 1 1
[  558.397966]  ? zone_watermark_ok_safe+0x260/0x260
[  558.397984]  ? __cpuset_node_allowed+0x136/0x540
[  558.426780] 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
[  558.430775]  ? __isolate_free_page+0x4c0/0x4c0
[  558.434730] lowmem_reserve[]: 0 0 0 0 0
[  558.439578]  ? wake_all_kswapds+0x14d/0x300
[  558.444328] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  558.470119]  __alloc_pages_slowpath+0x2214/0x2870
[  558.474677] lowmem_reserve[]: 0 0 0 0 0
[  558.478667]  ? warn_alloc+0x110/0x110
[  558.482972] 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
[  558.510658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.515485] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  558.519486]  ? should_fail+0x14d/0x85c
[  558.523262] 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
[  558.535783]  ? __isolate_free_page+0x4c0/0x4c0
[  558.541322] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  558.554691]  __alloc_pages_nodemask+0x617/0x750
[  558.558550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  558.569214]  ? __alloc_pages_slowpath+0x2870/0x2870
[  558.574220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  558.590042]  cache_grow_begin+0x91/0x8c0
[  558.594690] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  558.603521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.608525] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  558.617095]  ? __cpuset_node_allowed+0x136/0x540
[  558.621147] 281 total pagecache pages
[  558.629985]  fallback_alloc+0x1fd/0x2d0
[  558.635511] 0 pages in swap cache
[  558.644096]  ____cache_alloc_node+0x1be/0x1e0
[  558.648836] Swap cache stats: add 0, delete 0, find 0/0
[  558.648845] Free swap  = 0kB
[  558.652672]  kmem_cache_alloc_node+0xe3/0x710
[  558.656625] Total swap = 0kB
[  558.656635] 1965979 pages RAM
[  558.660102]  __alloc_skb+0xd5/0x5f0
[  558.664563] 0 pages HighMem/MovableOnly
[  558.664572] 341724 pages reserved
[  558.669949]  ? skb_trim+0x190/0x190
[  558.672929] 0 pages cma reserved
[  558.672999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  558.677434]  ? check_preemption_disabled+0x48/0x290
[  558.677448]  ? lock_acquire+0x16f/0x3f0
[  558.677472]  new_skb+0x28/0x1d0
[  558.680551] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  558.684207]  aoecmd_cfg+0x1b5/0x640
[  558.687922] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  558.691898]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  558.744862]  ? timer_reduce+0x11d0/0x11d0
[  558.749025]  discover_timer+0x4e/0x60
[  558.752836]  call_timer_fn+0x18d/0x720
[  558.756738]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  558.761410]  ? process_timeout+0x40/0x40
[  558.765473]  ? run_timer_softirq+0x644/0x16a0
[  558.769973]  ? trace_hardirqs_on+0x67/0x220
[  558.774306]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  558.778975]  run_timer_softirq+0x64f/0x16a0
[  558.783308]  ? add_timer+0xbe0/0xbe0
[  558.787028]  ? __lock_is_held+0xb6/0x140
[  558.791106]  __do_softirq+0x25c/0x921
[  558.794899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.800441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.806000]  irq_exit+0x180/0x1d0
[  558.809449]  smp_apic_timer_interrupt+0x13b/0x550
[  558.814292]  apic_timer_interrupt+0xf/0x20
[  558.818535]  </IRQ>
[  558.820776] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  558.825715] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  558.844720] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  558.852432] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  558.859799] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  558.867082] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  558.874366] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  558.881640] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  558.888942]  ? mark_held_locks+0xb1/0x100
[  558.893087]  ? __netdev_alloc_skb+0x370/0x470
[  558.897610]  __build_skb+0x3e/0x310
[  558.901253]  __netdev_alloc_skb+0x2ba/0x470
[  558.905595]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  558.910444]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  558.915957]  ? find_held_lock+0x35/0x130
[  558.920152]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  558.924559]  ? check_preemption_disabled+0x48/0x290
[  558.929579]  ? prandom_u32_state+0x13/0x180
[  558.933932]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  558.939126]  ? kmem_cache_alloc+0x32a/0x700
[  558.943462]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  558.948416]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  558.954755]  process_one_work+0x989/0x1750
[  558.959010]  ? pwq_dec_nr_in_flight+0x320/0x320
[  558.963699]  ? lock_acquire+0x16f/0x3f0
[  558.967696]  ? kasan_check_write+0x14/0x20
[  558.971940]  ? do_raw_spin_lock+0xd7/0x250
[  558.976176]  worker_thread+0x98/0xe40
[  558.979980]  kthread+0x354/0x420
[  558.983349]  ? process_one_work+0x1750/0x1750
[  558.987940]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  558.993487]  ret_from_fork+0x24/0x30
[  558.997207] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  558.997269] aoe: skb alloc failure
[  559.005094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  559.005099] Call Trace:
[  559.005105]  <IRQ>
[  559.005123]  dump_stack+0x197/0x210
[  559.005142]  warn_alloc.cold+0x7b/0x173
[  559.005161]  ? zone_watermark_ok_safe+0x260/0x260
[  559.008720] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  559.018055]  ? __cpuset_node_allowed+0x136/0x540
[  559.020623] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  559.022780]  ? __isolate_free_page+0x4c0/0x4c0
[  559.059954]  ? wake_all_kswapds+0x14d/0x300
[  559.064278]  __alloc_pages_slowpath+0x2214/0x2870
[  559.069258]  ? warn_alloc+0x110/0x110
[  559.073187]  ? __lock_acquire+0x6ee/0x49c0
[  559.077434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.083037]  ? should_fail+0x14d/0x85c
[  559.086953]  ? __isolate_free_page+0x4c0/0x4c0
[  559.091553]  __alloc_pages_nodemask+0x617/0x750
[  559.096234]  ? __alloc_pages_slowpath+0x2870/0x2870
[  559.101263]  ? find_held_lock+0x35/0x130
[  559.105343]  cache_grow_begin+0x91/0x8c0
[  559.109435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.114965]  ? __cpuset_node_allowed+0x136/0x540
[  559.119734]  fallback_alloc+0x1fd/0x2d0
[  559.123711]  ____cache_alloc_node+0x1be/0x1e0
[  559.128223]  kmem_cache_alloc_node+0xe3/0x710
[  559.132718]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  559.136957]  __alloc_skb+0xd5/0x5f0
[  559.140596]  ? skb_trim+0x190/0x190
[  559.144228]  ? kasan_check_read+0x11/0x20
[  559.148395]  ndisc_alloc_skb+0x13c/0x340
[  559.152457]  ndisc_send_rs+0x35f/0x6e0
[  559.156373]  addrconf_rs_timer+0x30f/0x680
[  559.160608]  ? ipv6_get_lladdr+0x490/0x490
[  559.164857]  call_timer_fn+0x18d/0x720
[  559.168747]  ? ipv6_get_lladdr+0x490/0x490
[  559.172994]  ? process_timeout+0x40/0x40
[  559.177071]  ? run_timer_softirq+0x644/0x16a0
[  559.181759]  ? trace_hardirqs_on+0x67/0x220
[  559.186094]  ? ipv6_get_lladdr+0x490/0x490
[  559.190329]  run_timer_softirq+0x64f/0x16a0
[  559.194666]  ? add_timer+0xbe0/0xbe0
[  559.198392]  ? __lock_is_held+0xb6/0x140
[  559.202492]  __do_softirq+0x25c/0x921
[  559.206303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.211855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.217412]  irq_exit+0x180/0x1d0
[  559.220902]  smp_apic_timer_interrupt+0x13b/0x550
[  559.225758]  apic_timer_interrupt+0xf/0x20
[  559.229993]  </IRQ>
[  559.232227] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  559.237159] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  559.256201] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  559.264035] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  559.271968] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  559.279272] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  559.286566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  559.293965] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  559.301272]  ? finish_task_switch+0x146/0x7c0
[  559.305888]  skb_clone+0x156/0x3e0
[  559.309448]  bpf_clone_redirect+0xb2/0x480
[  559.313701]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  559.318746]  ? mark_held_locks+0x100/0x100
[  559.323010]  ? __schedule+0x86e/0x1dc0
[  559.326992]  ? retint_kernel+0x2d/0x2d
[  559.330893]  ? firmware_map_remove+0x1a7/0x1a7
[  559.335486]  ? bpf_test_run+0x146/0x430
[  559.339467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.345013]  ? check_preemption_disabled+0x48/0x290
[  559.350029]  ? lock_acquire+0x16f/0x3f0
[  559.354015]  ? kasan_check_read+0x11/0x20
[  559.358262]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  559.363454]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  559.369007]  bpf_test_run+0x10d/0x430
[  559.372827]  bpf_prog_test_run_skb+0x64b/0xb20
[  559.377496]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  559.382382]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  559.387247]  bpf_prog_test_run+0x129/0x1a0
[  559.391521]  __x64_sys_bpf+0x397/0x4c0
[  559.395422]  ? bpf_prog_get+0x20/0x20
[  559.399239]  ? do_syscall_64+0x26/0x620
[  559.403509]  ? lockdep_hardirqs_on+0x415/0x5d0
[  559.408122]  ? trace_hardirqs_on+0x67/0x220
[  559.412458]  do_syscall_64+0xfd/0x620
[  559.416260]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  559.421464] RIP: 0033:0x45b349
[  559.424672] Code: Bad RIP value.
[  559.428035] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  559.435860] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  559.443149] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  559.450424] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  559.457698] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  559.464983] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  559.472280] warn_alloc_show_mem: 1 callbacks suppressed
[  559.472291] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  559.472293] Mem-Info:
[  559.472322] active_anon:162126 inactive_anon:206 isolated_anon:0
[  559.472322]  active_file:14 inactive_file:11 isolated_file:0
[  559.472322]  unevictable:0 dirty:0 writeback:0 unstable:0
[  559.472322]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  559.472322]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  559.472322]  free:10931 free_pcp:206 free_cma:0
[  559.477707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  559.477731] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  559.477739] Call Trace:
[  559.477749]  <IRQ>
[  559.485233] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  559.487653]  dump_stack+0x197/0x210
[  559.520886] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  559.530246]  warn_alloc.cold+0x7b/0x173
[  559.537337] 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
[  559.539938]  ? zone_watermark_ok_safe+0x260/0x260
[  559.542044] lowmem_reserve[]: 0 2545 2546 2546 2546
[  559.569649]  ? __cpuset_node_allowed+0x136/0x540
[  559.573435] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  559.599135]  ? __isolate_free_page+0x4c0/0x4c0
[  559.603097] lowmem_reserve[]: 0 0 1 1 1
[  559.629417]  ? wake_all_kswapds+0x14d/0x300
[  559.634246] 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
[  559.639293]  __alloc_pages_slowpath+0x2214/0x2870
[  559.644017] lowmem_reserve[]: 0 0 0 0 0
[  559.672881]  ? warn_alloc+0x110/0x110
[  559.677436] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  559.681437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.685732] lowmem_reserve[]: 0 0 0 0 0
[  559.711509]  ? should_fail+0x14d/0x85c
[  559.716343] 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
[  559.720341]  ? __isolate_free_page+0x4c0/0x4c0
[  559.724129] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  559.751650]  __alloc_pages_nodemask+0x617/0x750
[  559.757159] 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
[  559.761136]  ? __alloc_pages_slowpath+0x2870/0x2870
[  559.765126] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  559.777634]  cache_grow_begin+0x91/0x8c0
[  559.782192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  559.795531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.800264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  559.810919]  ? __cpuset_node_allowed+0x136/0x540
[  559.815926] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  559.831534]  fallback_alloc+0x1fd/0x2d0
[  559.835589] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  559.844431]  ____cache_alloc_node+0x1be/0x1e0
[  559.849943] 281 total pagecache pages
[  559.849959] 0 pages in swap cache
[  559.858552]  kmem_cache_alloc_node+0xe3/0x710
[  559.863294] Swap cache stats: add 0, delete 0, find 0/0
[  559.872152]  __alloc_skb+0xd5/0x5f0
[  559.876230] Free swap  = 0kB
[  559.876240] Total swap = 0kB
[  559.884826]  ? skb_trim+0x190/0x190
[  559.889304] 1965979 pages RAM
[  559.893124]  ? check_preemption_disabled+0x48/0x290
[  559.896555] 0 pages HighMem/MovableOnly
[  559.896564] 341724 pages reserved
[  559.901060]  ? lock_acquire+0x16f/0x3f0
[  559.901086]  new_skb+0x28/0x1d0
[  559.906423] 0 pages cma reserved
[  559.910052]  aoecmd_cfg+0x1b5/0x640
[  559.913111] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  559.916074]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  559.916094]  ? timer_reduce+0x11d0/0x11d0
[  559.916116]  discover_timer+0x4e/0x60
[  559.919775] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  559.922831]  call_timer_fn+0x18d/0x720
[  559.927830] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  559.931837]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  559.993209]  ? process_timeout+0x40/0x40
[  559.997297]  ? run_timer_softirq+0x644/0x16a0
[  560.001806]  ? trace_hardirqs_on+0x67/0x220
[  560.006129]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  560.010796]  run_timer_softirq+0x64f/0x16a0
[  560.015208]  ? add_timer+0xbe0/0xbe0
[  560.018920]  ? __lock_is_held+0xb6/0x140
[  560.023001]  __do_softirq+0x25c/0x921
[  560.026816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.032459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.038002]  irq_exit+0x180/0x1d0
[  560.041462]  smp_apic_timer_interrupt+0x13b/0x550
[  560.046303]  apic_timer_interrupt+0xf/0x20
[  560.051235]  </IRQ>
[  560.053474] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  560.058406] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  560.077314] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  560.085031] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  560.092327] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  560.099700] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  560.106971] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  560.114400] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  560.121715]  ? mark_held_locks+0xb1/0x100
[  560.125975]  ? __netdev_alloc_skb+0x370/0x470
[  560.130476]  __build_skb+0x3e/0x310
[  560.134105]  __netdev_alloc_skb+0x2ba/0x470
[  560.138447]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  560.143305]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  560.148685]  ? find_held_lock+0x35/0x130
[  560.152766]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  560.157279]  ? check_preemption_disabled+0x48/0x290
[  560.162308]  ? prandom_u32_state+0x13/0x180
[  560.167985]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  560.173375]  ? kmem_cache_alloc+0x32a/0x700
[  560.177700]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  560.182768]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  560.189112]  process_one_work+0x989/0x1750
[  560.193404]  ? pwq_dec_nr_in_flight+0x320/0x320
[  560.198068]  ? lock_acquire+0x16f/0x3f0
[  560.202041]  ? kasan_check_write+0x14/0x20
[  560.206437]  ? do_raw_spin_lock+0xd7/0x250
[  560.210675]  worker_thread+0x98/0xe40
[  560.214479]  kthread+0x354/0x420
[  560.217835]  ? process_one_work+0x1750/0x1750
[  560.222452]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  560.227993]  ret_from_fork+0x24/0x30
[  560.231744] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  560.231869] aoe: skb alloc failure
[  560.239666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  560.239672] Call Trace:
[  560.239678]  <IRQ>
[  560.239698]  dump_stack+0x197/0x210
[  560.239717]  warn_alloc.cold+0x7b/0x173
[  560.239730]  ? zone_watermark_ok_safe+0x260/0x260
[  560.239746]  ? __cpuset_node_allowed+0x136/0x540
[  560.243316] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  560.252770]  ? __isolate_free_page+0x4c0/0x4c0
[  560.255324] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  560.257469]  ? wake_all_kswapds+0x14d/0x300
[  560.298945]  __alloc_pages_slowpath+0x2214/0x2870
[  560.303921]  ? warn_alloc+0x110/0x110
[  560.307733]  ? __lock_acquire+0x6ee/0x49c0
[  560.311973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.317532]  ? should_fail+0x14d/0x85c
[  560.321432]  ? __isolate_free_page+0x4c0/0x4c0
[  560.326037]  __alloc_pages_nodemask+0x617/0x750
[  560.330822]  ? __alloc_pages_slowpath+0x2870/0x2870
[  560.335856]  ? find_held_lock+0x35/0x130
[  560.340044]  cache_grow_begin+0x91/0x8c0
[  560.344122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.349674]  ? __cpuset_node_allowed+0x136/0x540
[  560.354560]  fallback_alloc+0x1fd/0x2d0
[  560.358545]  ____cache_alloc_node+0x1be/0x1e0
[  560.363050]  kmem_cache_alloc_node+0xe3/0x710
[  560.367558]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  560.372243]  __alloc_skb+0xd5/0x5f0
[  560.375876]  ? skb_trim+0x190/0x190
[  560.379556]  ? kasan_check_read+0x11/0x20
[  560.383742]  ndisc_alloc_skb+0x13c/0x340
[  560.387805]  ndisc_send_rs+0x35f/0x6e0
[  560.391690]  addrconf_rs_timer+0x30f/0x680
[  560.395945]  ? ipv6_get_lladdr+0x490/0x490
[  560.400188]  call_timer_fn+0x18d/0x720
[  560.404074]  ? ipv6_get_lladdr+0x490/0x490
[  560.408304]  ? process_timeout+0x40/0x40
[  560.412371]  ? run_timer_softirq+0x644/0x16a0
[  560.416882]  ? trace_hardirqs_on+0x67/0x220
[  560.421218]  ? ipv6_get_lladdr+0x490/0x490
[  560.425462]  run_timer_softirq+0x64f/0x16a0
[  560.429788]  ? add_timer+0xbe0/0xbe0
[  560.433508]  ? __lock_is_held+0xb6/0x140
[  560.437590]  __do_softirq+0x25c/0x921
[  560.441394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.446921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.452567]  irq_exit+0x180/0x1d0
[  560.456033]  smp_apic_timer_interrupt+0x13b/0x550
[  560.460900]  apic_timer_interrupt+0xf/0x20
[  560.465144]  </IRQ>
[  560.467408] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  560.472346] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  560.491372] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  560.499103] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  560.506369] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  560.513639] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  560.520912] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  560.528177] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  560.535475]  ? finish_task_switch+0x146/0x7c0
[  560.540101]  skb_clone+0x156/0x3e0
[  560.543652]  bpf_clone_redirect+0xb2/0x480
[  560.547935]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  560.552963]  ? mark_held_locks+0x100/0x100
[  560.557194]  ? __schedule+0x86e/0x1dc0
[  560.561077]  ? retint_kernel+0x2d/0x2d
[  560.564978]  ? firmware_map_remove+0x1a7/0x1a7
[  560.569583]  ? bpf_test_run+0x146/0x430
[  560.573582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.579119]  ? check_preemption_disabled+0x48/0x290
[  560.584130]  ? lock_acquire+0x16f/0x3f0
[  560.588103]  ? kasan_check_read+0x11/0x20
[  560.592429]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  560.597639]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  560.603172]  bpf_test_run+0x10d/0x430
[  560.606972]  bpf_prog_test_run_skb+0x64b/0xb20
[  560.611670]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  560.616514]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  560.621372]  bpf_prog_test_run+0x129/0x1a0
[  560.625606]  __x64_sys_bpf+0x397/0x4c0
[  560.629500]  ? bpf_prog_get+0x20/0x20
[  560.633313]  ? do_syscall_64+0x26/0x620
[  560.637301]  ? lockdep_hardirqs_on+0x415/0x5d0
[  560.641894]  ? trace_hardirqs_on+0x67/0x220
[  560.646236]  do_syscall_64+0xfd/0x620
[  560.650050]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  560.655251] RIP: 0033:0x45b349
[  560.658450] Code: Bad RIP value.
[  560.661809] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  560.669520] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  560.676795] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  560.684080] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  560.691342] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  560.698615] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  560.705914] warn_alloc_show_mem: 1 callbacks suppressed
[  560.705925] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  560.705927] Mem-Info:
[  560.705956] active_anon:162126 inactive_anon:206 isolated_anon:0
[  560.705956]  active_file:14 inactive_file:11 isolated_file:0
[  560.705956]  unevictable:0 dirty:0 writeback:0 unstable:0
[  560.705956]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  560.705956]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  560.705956]  free:10931 free_pcp:206 free_cma:0
[  560.711311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  560.718767] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  560.721176] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  560.754330] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  560.763674] Call Trace:
[  560.791870] 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
[  560.798986]  <IRQ>
[  560.824776] lowmem_reserve[]: 0 2545 2546 2546 2546
[  560.827386]  dump_stack+0x197/0x210
[  560.853496] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  560.855804]  warn_alloc.cold+0x7b/0x173
[  560.860787] lowmem_reserve[]: 0 0 1 1 1
[  560.864448]  ? zone_watermark_ok_safe+0x260/0x260
[  560.893788] 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
[  560.897790]  ? __cpuset_node_allowed+0x136/0x540
[  560.901728] lowmem_reserve[]: 0 0 0 0 0
[  560.906688]  ? __isolate_free_page+0x4c0/0x4c0
[  560.932442] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  560.937213]  ? wake_all_kswapds+0x14d/0x300
[  560.941162] lowmem_reserve[]: 0 0 0 0 0
[  560.945776]  __alloc_pages_slowpath+0x2214/0x2870
[  560.973257] 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
[  560.977602]  ? warn_alloc+0x110/0x110
[  560.981532] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  560.986380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.998846] 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
[  561.002667]  ? should_fail+0x14d/0x85c
[  561.016010] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  561.021553]  ? __isolate_free_page+0x4c0/0x4c0
[  561.032217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  561.036116]  __alloc_pages_nodemask+0x617/0x750
[  561.051809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  561.056393]  ? __alloc_pages_slowpath+0x2870/0x2870
[  561.065302] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  561.069995]  cache_grow_begin+0x91/0x8c0
[  561.078640] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  561.083761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.092577] 281 total pagecache pages
[  561.096645]  ? __cpuset_node_allowed+0x136/0x540
[  561.105311] 0 pages in swap cache
[  561.110962]  fallback_alloc+0x1fd/0x2d0
[  561.114747] Swap cache stats: add 0, delete 0, find 0/0
[  561.119683]  ____cache_alloc_node+0x1be/0x1e0
[  561.123201] Free swap  = 0kB
[  561.123211] Total swap = 0kB
[  561.127975]  kmem_cache_alloc_node+0xe3/0x710
[  561.133314] 1965979 pages RAM
[  561.137826]  __alloc_skb+0xd5/0x5f0
[  561.140802] 0 pages HighMem/MovableOnly
[  561.143839]  ? skb_trim+0x190/0x190
[  561.148313] 341724 pages reserved
[  561.148322] 0 pages cma reserved
[  561.151492]  ? check_preemption_disabled+0x48/0x290
[  561.155160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  561.159076]  ? lock_acquire+0x16f/0x3f0
[  561.159101]  new_skb+0x28/0x1d0
[  561.162762] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  561.166150]  aoecmd_cfg+0x1b5/0x640
[  561.169503] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  561.174525]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  561.212321]  ? timer_reduce+0x11d0/0x11d0
[  561.216485]  discover_timer+0x4e/0x60
[  561.220294]  call_timer_fn+0x18d/0x720
[  561.224192]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  561.228883]  ? process_timeout+0x40/0x40
[  561.232947]  ? run_timer_softirq+0x644/0x16a0
[  561.237454]  ? trace_hardirqs_on+0x67/0x220
[  561.241877]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  561.246542]  run_timer_softirq+0x64f/0x16a0
[  561.250875]  ? add_timer+0xbe0/0xbe0
[  561.254595]  ? __lock_is_held+0xb6/0x140
[  561.258672]  __do_softirq+0x25c/0x921
[  561.262469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.268018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  561.273583]  irq_exit+0x180/0x1d0
[  561.277043]  smp_apic_timer_interrupt+0x13b/0x550
[  561.281903]  apic_timer_interrupt+0xf/0x20
[  561.286137]  </IRQ>
[  561.288368] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  561.293301] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  561.312225] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  561.319966] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  561.327254] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  561.334637] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  561.341924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  561.349221] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  561.356642]  ? mark_held_locks+0xb1/0x100
[  561.360883]  ? __netdev_alloc_skb+0x370/0x470
[  561.365946]  __build_skb+0x3e/0x310
[  561.369572]  __netdev_alloc_skb+0x2ba/0x470
[  561.374044]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  561.379008]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  561.384384]  ? find_held_lock+0x35/0x130
[  561.388462]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  561.392883]  ? check_preemption_disabled+0x48/0x290
[  561.398061]  ? prandom_u32_state+0x13/0x180
[  561.402403]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  561.407615]  ? kmem_cache_alloc+0x32a/0x700
[  561.411946]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  561.416892]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  561.423427]  process_one_work+0x989/0x1750
[  561.427671]  ? pwq_dec_nr_in_flight+0x320/0x320
[  561.432364]  ? lock_acquire+0x16f/0x3f0
[  561.436345]  ? kasan_check_write+0x14/0x20
[  561.440645]  ? do_raw_spin_lock+0xd7/0x250
[  561.444916]  worker_thread+0x98/0xe40
[  561.448743]  kthread+0x354/0x420
[  561.452123]  ? process_one_work+0x1750/0x1750
[  561.456627]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  561.462194]  ret_from_fork+0x24/0x30
[  561.466642] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  561.466719] aoe: skb alloc failure
[  561.474444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  561.474449] Call Trace:
[  561.474456]  <IRQ>
[  561.474475]  dump_stack+0x197/0x210
[  561.474495]  warn_alloc.cold+0x7b/0x173
[  561.474514]  ? zone_watermark_ok_safe+0x260/0x260
[  561.478067] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  561.487514]  ? __cpuset_node_allowed+0x136/0x540
[  561.490082] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  561.492268]  ? __isolate_free_page+0x4c0/0x4c0
[  561.529625]  ? wake_all_kswapds+0x14d/0x300
[  561.533952]  __alloc_pages_slowpath+0x2214/0x2870
[  561.538927]  ? warn_alloc+0x110/0x110
[  561.542744]  ? __lock_acquire+0x6ee/0x49c0
[  561.546981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  561.552524]  ? should_fail+0x14d/0x85c
[  561.556431]  ? __isolate_free_page+0x4c0/0x4c0
[  561.561115]  __alloc_pages_nodemask+0x617/0x750
[  561.566016]  ? __alloc_pages_slowpath+0x2870/0x2870
[  561.571040]  ? find_held_lock+0x35/0x130
[  561.575101]  cache_grow_begin+0x91/0x8c0
[  561.579160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.584719]  ? __cpuset_node_allowed+0x136/0x540
[  561.589503]  fallback_alloc+0x1fd/0x2d0
[  561.593491]  ____cache_alloc_node+0x1be/0x1e0
[  561.597985]  kmem_cache_alloc_node+0xe3/0x710
[  561.602497]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  561.606745]  __alloc_skb+0xd5/0x5f0
[  561.610383]  ? skb_trim+0x190/0x190
[  561.614021]  ? kasan_check_read+0x11/0x20
[  561.618564]  ndisc_alloc_skb+0x13c/0x340
[  561.622655]  ndisc_send_rs+0x35f/0x6e0
[  561.626630]  addrconf_rs_timer+0x30f/0x680
[  561.631112]  ? ipv6_get_lladdr+0x490/0x490
[  561.635376]  call_timer_fn+0x18d/0x720
[  561.639289]  ? ipv6_get_lladdr+0x490/0x490
[  561.643536]  ? process_timeout+0x40/0x40
[  561.647605]  ? run_timer_softirq+0x644/0x16a0
[  561.652118]  ? trace_hardirqs_on+0x67/0x220
[  561.656452]  ? ipv6_get_lladdr+0x490/0x490
[  561.660715]  run_timer_softirq+0x64f/0x16a0
[  561.665039]  ? add_timer+0xbe0/0xbe0
[  561.668837]  ? __lock_is_held+0xb6/0x140
[  561.673011]  __do_softirq+0x25c/0x921
[  561.676822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.682394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.687955]  irq_exit+0x180/0x1d0
[  561.691418]  smp_apic_timer_interrupt+0x13b/0x550
[  561.696392]  apic_timer_interrupt+0xf/0x20
[  561.700758]  </IRQ>
[  561.703026] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  561.708055] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  561.727506] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  561.735231] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  561.742519] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  561.749937] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  561.757244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  561.764529] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  561.772288]  ? finish_task_switch+0x146/0x7c0
[  561.776796]  skb_clone+0x156/0x3e0
[  561.780339]  bpf_clone_redirect+0xb2/0x480
[  561.784579]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  561.789612]  ? mark_held_locks+0x100/0x100
[  561.793869]  ? __schedule+0x86e/0x1dc0
[  561.798729]  ? retint_kernel+0x2d/0x2d
[  561.802824]  ? firmware_map_remove+0x1a7/0x1a7
[  561.807413]  ? bpf_test_run+0x146/0x430
[  561.811420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.816967]  ? check_preemption_disabled+0x48/0x290
[  561.822135]  ? lock_acquire+0x16f/0x3f0
[  561.826141]  ? kasan_check_read+0x11/0x20
[  561.830318]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  561.835535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  561.841339]  bpf_test_run+0x10d/0x430
[  561.845188]  bpf_prog_test_run_skb+0x64b/0xb20
[  561.849793]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  561.854771]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  561.859961]  bpf_prog_test_run+0x129/0x1a0
[  561.864220]  __x64_sys_bpf+0x397/0x4c0
[  561.868105]  ? bpf_prog_get+0x20/0x20
[  561.871952]  ? do_syscall_64+0x26/0x620
[  561.875940]  ? lockdep_hardirqs_on+0x415/0x5d0
[  561.880557]  ? trace_hardirqs_on+0x67/0x220
[  561.884880]  do_syscall_64+0xfd/0x620
[  561.888695]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  561.893893] RIP: 0033:0x45b349
[  561.897186] Code: Bad RIP value.
[  561.900556] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  561.908271] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  561.915704] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  561.928453] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  561.935946] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  561.943229] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  561.950610] warn_alloc_show_mem: 1 callbacks suppressed
[  561.950620] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  561.950622] Mem-Info:
[  561.950656] active_anon:162126 inactive_anon:206 isolated_anon:0
[  561.950656]  active_file:14 inactive_file:11 isolated_file:0
[  561.950656]  unevictable:0 dirty:0 writeback:0 unstable:0
[  561.950656]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  561.950656]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  561.950656]  free:10931 free_pcp:206 free_cma:0
[  561.955998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  561.956022] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  561.963512] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  561.966265] Call Trace:
[  561.999946] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  562.009381]  <IRQ>
[  562.016490] 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
[  562.044193]  dump_stack+0x197/0x210
[  562.046770] lowmem_reserve[]: 0 2545 2546 2546 2546
[  562.075214]  warn_alloc.cold+0x7b/0x173
[  562.077358] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  562.104062]  ? zone_watermark_ok_safe+0x260/0x260
[  562.107941] lowmem_reserve[]: 0 0 1 1 1
[  562.113493]  ? __cpuset_node_allowed+0x136/0x540
[  562.117446] 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
[  562.146564]  ? __isolate_free_page+0x4c0/0x4c0
[  562.151550] lowmem_reserve[]: 0 0 0 0 0
[  562.155569]  ? wake_all_kswapds+0x14d/0x300
[  562.160303] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  562.186596]  __alloc_pages_slowpath+0x2214/0x2870
[  562.191159] lowmem_reserve[]: 0 0 0 0 0
[  562.195157]  ? warn_alloc+0x110/0x110
[  562.199452] 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
[  562.227155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.232002] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  562.235972]  ? should_fail+0x14d/0x85c
[  562.239746] 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
[  562.252259]  ? __isolate_free_page+0x4c0/0x4c0
[  562.257774] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  562.271158]  __alloc_pages_nodemask+0x617/0x750
[  562.271177]  ? __alloc_pages_slowpath+0x2870/0x2870
[  562.271201]  cache_grow_begin+0x91/0x8c0
[  562.271215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.271225]  ? __cpuset_node_allowed+0x136/0x540
[  562.271242]  fallback_alloc+0x1fd/0x2d0
[  562.275217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  562.285880]  ____cache_alloc_node+0x1be/0x1e0
[  562.290442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  562.306147]  kmem_cache_alloc_node+0xe3/0x710
[  562.310811] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  562.315847]  __alloc_skb+0xd5/0x5f0
[  562.319891] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  562.319901] 281 total pagecache pages
[  562.325436]  ? skb_trim+0x190/0x190
[  562.330172] 0 pages in swap cache
[  562.334151]  ? check_preemption_disabled+0x48/0x290
[  562.342979] Swap cache stats: add 0, delete 0, find 0/0
[  562.347479]  ? lock_acquire+0x16f/0x3f0
[  562.356029] Free swap  = 0kB
[  562.356038] Total swap = 0kB
[  562.360547]  new_skb+0x28/0x1d0
[  562.369464] 1965979 pages RAM
[  562.373573]  aoecmd_cfg+0x1b5/0x640
[  562.382124] 0 pages HighMem/MovableOnly
[  562.386271]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  562.389872] 341724 pages reserved
[  562.393322]  ? timer_reduce+0x11d0/0x11d0
[  562.398317] 0 pages cma reserved
[  562.398386] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  562.403699]  discover_timer+0x4e/0x60
[  562.403714]  call_timer_fn+0x18d/0x720
[  562.403726]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  562.403741]  ? process_timeout+0x40/0x40
[  562.407813] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  562.410795]  ? run_timer_softirq+0x644/0x16a0
[  562.413825] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  562.417128]  ? trace_hardirqs_on+0x67/0x220
[  562.491302]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  562.495976]  run_timer_softirq+0x64f/0x16a0
[  562.500313]  ? add_timer+0xbe0/0xbe0
[  562.504033]  ? __lock_is_held+0xb6/0x140
[  562.508190]  __do_softirq+0x25c/0x921
[  562.512013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.517541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.523101]  irq_exit+0x180/0x1d0
[  562.526553]  smp_apic_timer_interrupt+0x13b/0x550
[  562.531403]  apic_timer_interrupt+0xf/0x20
[  562.535623]  </IRQ>
[  562.537854] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  562.542776] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  562.561771] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  562.569486] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  562.576760] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  562.584044] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  562.591319] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  562.598597] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  562.605980]  ? mark_held_locks+0xb1/0x100
[  562.610155]  ? __netdev_alloc_skb+0x370/0x470
[  562.614665]  __build_skb+0x3e/0x310
[  562.618294]  __netdev_alloc_skb+0x2ba/0x470
[  562.622640]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  562.627496]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  562.632976]  ? find_held_lock+0x35/0x130
[  562.637038]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  562.641725]  ? check_preemption_disabled+0x48/0x290
[  562.646741]  ? prandom_u32_state+0x13/0x180
[  562.651078]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  562.656273]  ? kmem_cache_alloc+0x32a/0x700
[  562.660596]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  562.665695]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  562.672037]  process_one_work+0x989/0x1750
[  562.676297]  ? pwq_dec_nr_in_flight+0x320/0x320
[  562.680958]  ? lock_acquire+0x16f/0x3f0
[  562.684945]  ? kasan_check_write+0x14/0x20
[  562.689189]  ? do_raw_spin_lock+0xd7/0x250
[  562.693447]  worker_thread+0x98/0xe40
[  562.697249]  kthread+0x354/0x420
[  562.700617]  ? process_one_work+0x1750/0x1750
[  562.705123]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  562.710668]  ret_from_fork+0x24/0x30
[  562.714400] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  562.714458] aoe: skb alloc failure
[  562.722209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  562.722218] Call Trace:
[  562.725832] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  562.735109]  <IRQ>
[  562.737679] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  562.748341]  dump_stack+0x197/0x210
[  562.759000]  warn_alloc.cold+0x7b/0x173
[  562.763112]  ? zone_watermark_ok_safe+0x260/0x260
[  562.767967]  ? __cpuset_node_allowed+0x136/0x540
[  562.773422]  ? __isolate_free_page+0x4c0/0x4c0
[  562.778027]  ? wake_all_kswapds+0x14d/0x300
[  562.782367]  __alloc_pages_slowpath+0x2214/0x2870
[  562.787395]  ? warn_alloc+0x110/0x110
[  562.791193]  ? __lock_acquire+0x6ee/0x49c0
[  562.795426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.800958]  ? should_fail+0x14d/0x85c
[  562.804881]  ? __isolate_free_page+0x4c0/0x4c0
[  562.809470]  __alloc_pages_nodemask+0x617/0x750
[  562.814155]  ? __alloc_pages_slowpath+0x2870/0x2870
[  562.819174]  ? find_held_lock+0x35/0x130
[  562.823240]  cache_grow_begin+0x91/0x8c0
[  562.827295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.832834]  ? __cpuset_node_allowed+0x136/0x540
[  562.837588]  fallback_alloc+0x1fd/0x2d0
[  562.841696]  ____cache_alloc_node+0x1be/0x1e0
[  562.846223]  kmem_cache_alloc_node+0xe3/0x710
[  562.850823]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  562.855061]  __alloc_skb+0xd5/0x5f0
[  562.858695]  ? skb_trim+0x190/0x190
[  562.862328]  ? kasan_check_read+0x11/0x20
[  562.866493]  ndisc_alloc_skb+0x13c/0x340
[  562.870582]  ndisc_send_rs+0x35f/0x6e0
[  562.874478]  addrconf_rs_timer+0x30f/0x680
[  562.878994]  ? ipv6_get_lladdr+0x490/0x490
[  562.883233]  call_timer_fn+0x18d/0x720
[  562.887127]  ? ipv6_get_lladdr+0x490/0x490
[  562.891370]  ? process_timeout+0x40/0x40
[  562.895430]  ? run_timer_softirq+0x644/0x16a0
[  562.899940]  ? trace_hardirqs_on+0x67/0x220
[  562.904264]  ? ipv6_get_lladdr+0x490/0x490
[  562.908492]  run_timer_softirq+0x64f/0x16a0
[  562.912830]  ? add_timer+0xbe0/0xbe0
[  562.916539]  ? __lock_is_held+0xb6/0x140
[  562.920605]  __do_softirq+0x25c/0x921
[  562.924412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.929953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.935497]  irq_exit+0x180/0x1d0
[  562.938951]  smp_apic_timer_interrupt+0x13b/0x550
[  562.943805]  apic_timer_interrupt+0xf/0x20
[  562.948036]  </IRQ>
[  562.950273] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  562.955206] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  562.974217] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  562.981918] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  562.989190] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  562.996454] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  563.003827] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  563.011296] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  563.018601]  ? finish_task_switch+0x146/0x7c0
[  563.023108]  skb_clone+0x156/0x3e0
[  563.026656]  bpf_clone_redirect+0xb2/0x480
[  563.030897]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  563.035918]  ? mark_held_locks+0x100/0x100
[  563.040173]  ? __schedule+0x86e/0x1dc0
[  563.044070]  ? retint_kernel+0x2d/0x2d
[  563.047970]  ? firmware_map_remove+0x1a7/0x1a7
[  563.052567]  ? bpf_test_run+0x146/0x430
[  563.056545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.062079]  ? check_preemption_disabled+0x48/0x290
[  563.067104]  ? lock_acquire+0x16f/0x3f0
[  563.071096]  ? kasan_check_read+0x11/0x20
[  563.075255]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  563.080462]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  563.085994]  bpf_test_run+0x10d/0x430
[  563.089795]  bpf_prog_test_run_skb+0x64b/0xb20
[  563.094390]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  563.099247]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  563.104083]  bpf_prog_test_run+0x129/0x1a0
[  563.108314]  __x64_sys_bpf+0x397/0x4c0
[  563.112320]  ? bpf_prog_get+0x20/0x20
[  563.116148]  ? do_syscall_64+0x26/0x620
[  563.120139]  ? lockdep_hardirqs_on+0x415/0x5d0
[  563.124715]  ? trace_hardirqs_on+0x67/0x220
[  563.129035]  do_syscall_64+0xfd/0x620
[  563.132853]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  563.138067] RIP: 0033:0x45b349
[  563.141272] Code: Bad RIP value.
[  563.144753] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  563.152471] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  563.159739] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  563.167122] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  563.174411] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  563.181683] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  563.188974] warn_alloc_show_mem: 1 callbacks suppressed
[  563.188984] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  563.188986] Mem-Info:
[  563.189016] active_anon:162126 inactive_anon:206 isolated_anon:0
[  563.189016]  active_file:14 inactive_file:11 isolated_file:0
[  563.189016]  unevictable:0 dirty:0 writeback:0 unstable:0
[  563.189016]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  563.189016]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  563.189016]  free:10931 free_pcp:206 free_cma:0
[  563.194373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  563.201926] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  563.204344] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  563.237962] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  563.247409] Call Trace:
[  563.274998] 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
[  563.282099]  <IRQ>
[  563.307777] lowmem_reserve[]: 0 2545 2546 2546 2546
[  563.310366]  dump_stack+0x197/0x210
[  563.336578] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  563.338743]  warn_alloc.cold+0x7b/0x173
[  563.343718] lowmem_reserve[]: 0 0 1 1 1
[  563.347377]  ? zone_watermark_ok_safe+0x260/0x260
[  563.376666] 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
[  563.380652]  ? __cpuset_node_allowed+0x136/0x540
[  563.384588] lowmem_reserve[]: 0 0 0 0 0
[  563.389448]  ? __isolate_free_page+0x4c0/0x4c0
[  563.415179] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  563.419927]  ? wake_all_kswapds+0x14d/0x300
[  563.423886] lowmem_reserve[]: 0 0 0 0 0
[  563.428467]  __alloc_pages_slowpath+0x2214/0x2870
[  563.455933] 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
[  563.460268]  ? warn_alloc+0x110/0x110
[  563.464212] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  563.469081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.481537] 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
[  563.485392]  ? should_fail+0x14d/0x85c
[  563.498722] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  563.504273]  ? __isolate_free_page+0x4c0/0x4c0
[  563.514910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  563.518793]  __alloc_pages_nodemask+0x617/0x750
[  563.534545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  563.534558] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  563.539144]  ? __alloc_pages_slowpath+0x2870/0x2870
[  563.547966] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  563.552819]  cache_grow_begin+0x91/0x8c0
[  563.561370] 281 total pagecache pages
[  563.570228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.575223] 0 pages in swap cache
[  563.583797]  ? __cpuset_node_allowed+0x136/0x540
[  563.587831] Swap cache stats: add 0, delete 0, find 0/0
[  563.587840] Free swap  = 0kB
[  563.591643]  fallback_alloc+0x1fd/0x2d0
[  563.597158] Total swap = 0kB
[  563.597170] 1965979 pages RAM
[  563.600636]  ____cache_alloc_node+0x1be/0x1e0
[  563.605363] 0 pages HighMem/MovableOnly
[  563.605372] 341724 pages reserved
[  563.610748]  kmem_cache_alloc_node+0xe3/0x710
[  563.613736] 0 pages cma reserved
[  563.617719]  __alloc_skb+0xd5/0x5f0
[  563.620773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  563.623834]  ? skb_trim+0x190/0x190
[  563.623848]  ? check_preemption_disabled+0x48/0x290
[  563.623865]  ? lock_acquire+0x16f/0x3f0
[  563.628389] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  563.632311]  new_skb+0x28/0x1d0
[  563.635742] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  563.640239]  aoecmd_cfg+0x1b5/0x640
[  563.689048]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  563.693369]  ? timer_reduce+0x11d0/0x11d0
[  563.697544]  discover_timer+0x4e/0x60
[  563.701340]  call_timer_fn+0x18d/0x720
[  563.705231]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  563.709896]  ? process_timeout+0x40/0x40
[  563.713965]  ? run_timer_softirq+0x644/0x16a0
[  563.718562]  ? trace_hardirqs_on+0x67/0x220
[  563.722882]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  563.727557]  run_timer_softirq+0x64f/0x16a0
[  563.731878]  ? add_timer+0xbe0/0xbe0
[  563.735598]  ? __lock_is_held+0xb6/0x140
[  563.739665]  __do_softirq+0x25c/0x921
[  563.743468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.749010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.754828]  irq_exit+0x180/0x1d0
[  563.758280]  smp_apic_timer_interrupt+0x13b/0x550
[  563.763136]  apic_timer_interrupt+0xf/0x20
[  563.767385]  </IRQ>
[  563.769622] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  563.774642] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  563.793541] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  563.801250] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  563.808519] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  563.815790] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  563.823054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  563.830325] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  563.837625]  ? mark_held_locks+0xb1/0x100
[  563.841803]  ? __netdev_alloc_skb+0x370/0x470
[  563.846311]  __build_skb+0x3e/0x310
[  563.849961]  __netdev_alloc_skb+0x2ba/0x470
[  563.854286]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  563.859122]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  563.864498]  ? find_held_lock+0x35/0x130
[  563.868752]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  563.873340]  ? check_preemption_disabled+0x48/0x290
[  563.878370]  ? prandom_u32_state+0x13/0x180
[  563.882694]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  563.887908]  ? kmem_cache_alloc+0x32a/0x700
[  563.892245]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  563.897181]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  563.903513]  process_one_work+0x989/0x1750
[  563.907781]  ? pwq_dec_nr_in_flight+0x320/0x320
[  563.912458]  ? lock_acquire+0x16f/0x3f0
[  563.916442]  ? kasan_check_write+0x14/0x20
[  563.920680]  ? do_raw_spin_lock+0xd7/0x250
[  563.924911]  worker_thread+0x98/0xe40
[  563.928741]  kthread+0x354/0x420
[  563.932114]  ? process_one_work+0x1750/0x1750
[  563.936698]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  563.942237]  ret_from_fork+0x24/0x30
[  563.945960] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  563.946020] aoe: skb alloc failure
[  563.953766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  563.953771] Call Trace:
[  563.953777]  <IRQ>
[  563.953795]  dump_stack+0x197/0x210
[  563.953814]  warn_alloc.cold+0x7b/0x173
[  563.953832]  ? zone_watermark_ok_safe+0x260/0x260
[  563.957388] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  563.966836]  ? __cpuset_node_allowed+0x136/0x540
[  563.969418] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  563.971576]  ? __isolate_free_page+0x4c0/0x4c0
[  564.008577]  ? wake_all_kswapds+0x14d/0x300
[  564.012919]  __alloc_pages_slowpath+0x2214/0x2870
[  564.017786]  ? warn_alloc+0x110/0x110
[  564.021594]  ? __lock_acquire+0x6ee/0x49c0
[  564.025831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.031372]  ? should_fail+0x14d/0x85c
[  564.035258]  ? __isolate_free_page+0x4c0/0x4c0
[  564.039854]  __alloc_pages_nodemask+0x617/0x750
[  564.044529]  ? __alloc_pages_slowpath+0x2870/0x2870
[  564.049555]  ? find_held_lock+0x35/0x130
[  564.053633]  cache_grow_begin+0x91/0x8c0
[  564.057771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.063310]  ? __cpuset_node_allowed+0x136/0x540
[  564.068086]  fallback_alloc+0x1fd/0x2d0
[  564.072072]  ____cache_alloc_node+0x1be/0x1e0
[  564.076580]  kmem_cache_alloc_node+0xe3/0x710
[  564.081072]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  564.085306]  __alloc_skb+0xd5/0x5f0
[  564.088959]  ? skb_trim+0x190/0x190
[  564.092587]  ? kasan_check_read+0x11/0x20
[  564.096771]  ndisc_alloc_skb+0x13c/0x340
[  564.100840]  ndisc_send_rs+0x35f/0x6e0
[  564.104737]  addrconf_rs_timer+0x30f/0x680
[  564.108982]  ? ipv6_get_lladdr+0x490/0x490
[  564.113218]  call_timer_fn+0x18d/0x720
[  564.117100]  ? ipv6_get_lladdr+0x490/0x490
[  564.121342]  ? process_timeout+0x40/0x40
[  564.125511]  ? run_timer_softirq+0x644/0x16a0
[  564.130015]  ? trace_hardirqs_on+0x67/0x220
[  564.134334]  ? ipv6_get_lladdr+0x490/0x490
[  564.138577]  run_timer_softirq+0x64f/0x16a0
[  564.142919]  ? add_timer+0xbe0/0xbe0
[  564.146644]  ? __lock_is_held+0xb6/0x140
[  564.150732]  __do_softirq+0x25c/0x921
[  564.154549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.160088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.165681]  irq_exit+0x180/0x1d0
[  564.169239]  smp_apic_timer_interrupt+0x13b/0x550
[  564.174089]  apic_timer_interrupt+0xf/0x20
[  564.178318]  </IRQ>
[  564.180549] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  564.185478] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  564.204502] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  564.212216] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  564.219478] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  564.226753] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  564.234022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  564.241304] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  564.248601]  ? finish_task_switch+0x146/0x7c0
[  564.253096]  skb_clone+0x156/0x3e0
[  564.256646]  bpf_clone_redirect+0xb2/0x480
[  564.260897]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  564.266083]  ? mark_held_locks+0x100/0x100
[  564.270314]  ? __schedule+0x86e/0x1dc0
[  564.274203]  ? retint_kernel+0x2d/0x2d
[  564.278124]  ? firmware_map_remove+0x1a7/0x1a7
[  564.282821]  ? bpf_test_run+0x146/0x430
[  564.286797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.292494]  ? check_preemption_disabled+0x48/0x290
[  564.297514]  ? lock_acquire+0x16f/0x3f0
[  564.301495]  ? kasan_check_read+0x11/0x20
[  564.305649]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  564.312689]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  564.318232]  bpf_test_run+0x10d/0x430
[  564.322137]  bpf_prog_test_run_skb+0x64b/0xb20
[  564.326729]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  564.331598]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  564.336439]  bpf_prog_test_run+0x129/0x1a0
[  564.340669]  __x64_sys_bpf+0x397/0x4c0
[  564.344558]  ? bpf_prog_get+0x20/0x20
[  564.348375]  ? do_syscall_64+0x26/0x620
[  564.352351]  ? lockdep_hardirqs_on+0x415/0x5d0
[  564.356929]  ? trace_hardirqs_on+0x67/0x220
[  564.361345]  do_syscall_64+0xfd/0x620
[  564.365157]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  564.370358] RIP: 0033:0x45b349
[  564.373555] Code: Bad RIP value.
[  564.376913] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  564.385233] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  564.392507] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  564.399787] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  564.407085] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  564.414357] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  564.421646] warn_alloc_show_mem: 1 callbacks suppressed
[  564.421656] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  564.421658] Mem-Info:
[  564.421688] active_anon:162126 inactive_anon:206 isolated_anon:0
[  564.421688]  active_file:14 inactive_file:11 isolated_file:0
[  564.421688]  unevictable:0 dirty:0 writeback:0 unstable:0
[  564.421688]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  564.421688]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  564.421688]  free:10931 free_pcp:206 free_cma:0
[  564.427043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  564.434501] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  564.436937] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  564.470265] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  564.479669] Call Trace:
[  564.507875] 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
[  564.515046]  <IRQ>
[  564.540718] lowmem_reserve[]: 0 2545 2546 2546 2546
[  564.543321]  dump_stack+0x197/0x210
[  564.569424] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  564.572193]  warn_alloc.cold+0x7b/0x173
[  564.577187] lowmem_reserve[]: 0 0 1 1 1
[  564.580837]  ? zone_watermark_ok_safe+0x260/0x260
[  564.609720] 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
[  564.613703]  ? __cpuset_node_allowed+0x136/0x540
[  564.617641] lowmem_reserve[]: 0 0 0 0 0
[  564.622496]  ? __isolate_free_page+0x4c0/0x4c0
[  564.648240] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  564.653008]  ? wake_all_kswapds+0x14d/0x300
[  564.657103] lowmem_reserve[]: 0 0 0 0 0
[  564.661712]  __alloc_pages_slowpath+0x2214/0x2870
[  564.689471] 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
[  564.693824]  ? warn_alloc+0x110/0x110
[  564.697753] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  564.702623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.715085] 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
[  564.718919]  ? should_fail+0x14d/0x85c
[  564.732266] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  564.737830]  ? __isolate_free_page+0x4c0/0x4c0
[  564.748475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  564.752385]  __alloc_pages_nodemask+0x617/0x750
[  564.767984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  564.767999] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  564.772603]  ? __alloc_pages_slowpath+0x2870/0x2870
[  564.781413] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  564.781423] 281 total pagecache pages
[  564.786110]  cache_grow_begin+0x91/0x8c0
[  564.794754] 0 pages in swap cache
[  564.803596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.808594] Swap cache stats: add 0, delete 0, find 0/0
[  564.808603] Free swap  = 0kB
[  564.817182]  ? __cpuset_node_allowed+0x136/0x540
[  564.820956] Total swap = 0kB
[  564.825018]  fallback_alloc+0x1fd/0x2d0
[  564.828459] 1965979 pages RAM
[  564.834013]  ____cache_alloc_node+0x1be/0x1e0
[  564.839369] 0 pages HighMem/MovableOnly
[  564.839378] 341724 pages reserved
[  564.842405]  kmem_cache_alloc_node+0xe3/0x710
[  564.847127] 0 pages cma reserved
[  564.847199] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  564.850167]  __alloc_skb+0xd5/0x5f0
[  564.854205] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  564.857244]  ? skb_trim+0x190/0x190
[  564.861729] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  564.865706]  ? check_preemption_disabled+0x48/0x290
[  564.911693]  ? lock_acquire+0x16f/0x3f0
[  564.915813]  new_skb+0x28/0x1d0
[  564.919114]  aoecmd_cfg+0x1b5/0x640
[  564.922753]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  564.927083]  ? timer_reduce+0x11d0/0x11d0
[  564.931233]  discover_timer+0x4e/0x60
[  564.935062]  call_timer_fn+0x18d/0x720
[  564.938969]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  564.943655]  ? process_timeout+0x40/0x40
[  564.947830]  ? run_timer_softirq+0x644/0x16a0
[  564.952334]  ? trace_hardirqs_on+0x67/0x220
[  564.956680]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  564.961354]  run_timer_softirq+0x64f/0x16a0
[  564.965689]  ? add_timer+0xbe0/0xbe0
[  564.969398]  ? __lock_is_held+0xb6/0x140
[  564.973823]  __do_softirq+0x25c/0x921
[  564.977626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.983163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.988702]  irq_exit+0x180/0x1d0
[  564.992152]  smp_apic_timer_interrupt+0x13b/0x550
[  564.996999]  apic_timer_interrupt+0xf/0x20
[  565.001230]  </IRQ>
[  565.003464] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  565.008386] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  565.027287] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  565.034987] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  565.042259] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  565.049535] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  565.056852] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  565.064123] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  565.072153]  ? mark_held_locks+0xb1/0x100
[  565.076311]  ? __netdev_alloc_skb+0x370/0x470
[  565.080855]  __build_skb+0x3e/0x310
[  565.084516]  __netdev_alloc_skb+0x2ba/0x470
[  565.088850]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  565.093685]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  565.099052]  ? find_held_lock+0x35/0x130
[  565.103132]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  565.107535]  ? check_preemption_disabled+0x48/0x290
[  565.112557]  ? prandom_u32_state+0x13/0x180
[  565.116887]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  565.122081]  ? kmem_cache_alloc+0x32a/0x700
[  565.126398]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  565.131333]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  565.137668]  process_one_work+0x989/0x1750
[  565.141928]  ? pwq_dec_nr_in_flight+0x320/0x320
[  565.146589]  ? lock_acquire+0x16f/0x3f0
[  565.150585]  ? kasan_check_write+0x14/0x20
[  565.154830]  ? do_raw_spin_lock+0xd7/0x250
[  565.159071]  worker_thread+0x98/0xe40
[  565.162890]  kthread+0x354/0x420
[  565.166262]  ? process_one_work+0x1750/0x1750
[  565.170759]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  565.176298]  ret_from_fork+0x24/0x30
[  565.180028] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  565.180089] aoe: skb alloc failure
[  565.187824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  565.187829] Call Trace:
[  565.187835]  <IRQ>
[  565.187853]  dump_stack+0x197/0x210
[  565.187874]  warn_alloc.cold+0x7b/0x173
[  565.191414] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  565.200747]  ? zone_watermark_ok_safe+0x260/0x260
[  565.203324] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  565.205601]  ? __cpuset_node_allowed+0x136/0x540
[  565.238071]  ? __isolate_free_page+0x4c0/0x4c0
[  565.242662]  ? wake_all_kswapds+0x14d/0x300
[  565.247200]  __alloc_pages_slowpath+0x2214/0x2870
[  565.252070]  ? warn_alloc+0x110/0x110
[  565.255876]  ? __lock_acquire+0x6ee/0x49c0
[  565.260124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.265665]  ? should_fail+0x14d/0x85c
[  565.269559]  ? __isolate_free_page+0x4c0/0x4c0
[  565.274259]  __alloc_pages_nodemask+0x617/0x750
[  565.278938]  ? __alloc_pages_slowpath+0x2870/0x2870
[  565.283966]  ? find_held_lock+0x35/0x130
[  565.288037]  cache_grow_begin+0x91/0x8c0
[  565.292094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.297632]  ? __cpuset_node_allowed+0x136/0x540
[  565.302478]  fallback_alloc+0x1fd/0x2d0
[  565.306467]  ____cache_alloc_node+0x1be/0x1e0
[  565.310998]  kmem_cache_alloc_node+0xe3/0x710
[  565.315523]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  565.319773]  __alloc_skb+0xd5/0x5f0
[  565.323405]  ? skb_trim+0x190/0x190
[  565.327023]  ? kasan_check_read+0x11/0x20
[  565.331179]  ndisc_alloc_skb+0x13c/0x340
[  565.335254]  ndisc_send_rs+0x35f/0x6e0
[  565.339269]  addrconf_rs_timer+0x30f/0x680
[  565.343554]  ? ipv6_get_lladdr+0x490/0x490
[  565.347809]  call_timer_fn+0x18d/0x720
[  565.351707]  ? ipv6_get_lladdr+0x490/0x490
[  565.356031]  ? process_timeout+0x40/0x40
[  565.360083]  ? run_timer_softirq+0x644/0x16a0
[  565.364591]  ? trace_hardirqs_on+0x67/0x220
[  565.368907]  ? ipv6_get_lladdr+0x490/0x490
[  565.374328]  run_timer_softirq+0x64f/0x16a0
[  565.378652]  ? add_timer+0xbe0/0xbe0
[  565.382378]  ? __lock_is_held+0xb6/0x140
[  565.386506]  __do_softirq+0x25c/0x921
[  565.390320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.395851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.401393]  irq_exit+0x180/0x1d0
[  565.404860]  smp_apic_timer_interrupt+0x13b/0x550
[  565.409714]  apic_timer_interrupt+0xf/0x20
[  565.413952]  </IRQ>
[  565.416289] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  565.421213] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  565.441185] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  565.448896] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  565.456164] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  565.463437] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  565.470855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  565.478161] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  565.485494]  ? finish_task_switch+0x146/0x7c0
[  565.490005]  skb_clone+0x156/0x3e0
[  565.493558]  bpf_clone_redirect+0xb2/0x480
[  565.497796]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  565.502889]  ? mark_held_locks+0x100/0x100
[  565.507136]  ? __schedule+0x86e/0x1dc0
[  565.511027]  ? retint_kernel+0x2d/0x2d
[  565.514918]  ? firmware_map_remove+0x1a7/0x1a7
[  565.519509]  ? bpf_test_run+0x146/0x430
[  565.523507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.529053]  ? check_preemption_disabled+0x48/0x290
[  565.534101]  ? lock_acquire+0x16f/0x3f0
[  565.538082]  ? kasan_check_read+0x11/0x20
[  565.542236]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  565.547427]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  565.552978]  bpf_test_run+0x10d/0x430
[  565.556831]  bpf_prog_test_run_skb+0x64b/0xb20
[  565.561428]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  565.566282]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  565.571733]  bpf_prog_test_run+0x129/0x1a0
[  565.575980]  __x64_sys_bpf+0x397/0x4c0
[  565.579879]  ? bpf_prog_get+0x20/0x20
[  565.583689]  ? do_syscall_64+0x26/0x620
[  565.587676]  ? lockdep_hardirqs_on+0x415/0x5d0
[  565.592252]  ? trace_hardirqs_on+0x67/0x220
[  565.596592]  do_syscall_64+0xfd/0x620
[  565.600391]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  565.605581] RIP: 0033:0x45b349
[  565.608776] Code: Bad RIP value.
[  565.612137] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  565.619843] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  565.627111] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  565.634474] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  565.641741] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  565.649015] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  565.656313] warn_alloc_show_mem: 1 callbacks suppressed
[  565.656324] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  565.656326] Mem-Info:
[  565.656356] active_anon:162126 inactive_anon:206 isolated_anon:0
[  565.656356]  active_file:14 inactive_file:11 isolated_file:0
[  565.656356]  unevictable:0 dirty:0 writeback:0 unstable:0
[  565.656356]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  565.656356]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  565.656356]  free:10931 free_pcp:206 free_cma:0
[  565.661688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  565.661712] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  565.669159] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  565.671560] Call Trace:
[  565.707079] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  565.716421]  <IRQ>
[  565.723520] 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
[  565.751224]  dump_stack+0x197/0x210
[  565.753794] lowmem_reserve[]: 0 2545 2546 2546 2546
[  565.780022]  warn_alloc.cold+0x7b/0x173
[  565.782158] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  565.808387]  ? zone_watermark_ok_safe+0x260/0x260
[  565.812098] lowmem_reserve[]: 0 0 1 1 1
[  565.817121]  ? __cpuset_node_allowed+0x136/0x540
[  565.821078] 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
[  565.849898]  ? __isolate_free_page+0x4c0/0x4c0
[  565.854832] lowmem_reserve[]: 0 0 0 0 0
[  565.858924]  ? wake_all_kswapds+0x14d/0x300
[  565.863662] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  565.889544]  __alloc_pages_slowpath+0x2214/0x2870
[  565.894096] lowmem_reserve[]: 0 0 0 0 0
[  565.898102]  ? warn_alloc+0x110/0x110
[  565.902386] 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
[  565.930186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.935022] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  565.939009]  ? should_fail+0x14d/0x85c
[  565.942789] 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
[  565.955384]  ? __isolate_free_page+0x4c0/0x4c0
[  565.960907] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  565.974280]  __alloc_pages_nodemask+0x617/0x750
[  565.978282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  565.988946]  ? __alloc_pages_slowpath+0x2870/0x2870
[  565.993518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  566.009143]  cache_grow_begin+0x91/0x8c0
[  566.013826] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  566.013840] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  566.022695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.027694] 281 total pagecache pages
[  566.036265]  ? __cpuset_node_allowed+0x136/0x540
[  566.040321] 0 pages in swap cache
[  566.049307]  fallback_alloc+0x1fd/0x2d0
[  566.057880] Swap cache stats: add 0, delete 0, find 0/0
[  566.057890] Free swap  = 0kB
[  566.063440]  ____cache_alloc_node+0x1be/0x1e0
[  566.067254] Total swap = 0kB
[  566.072018]  kmem_cache_alloc_node+0xe3/0x710
[  566.075553] 1965979 pages RAM
[  566.079538]  __alloc_skb+0xd5/0x5f0
[  566.084867] 0 pages HighMem/MovableOnly
[  566.087944]  ? skb_trim+0x190/0x190
[  566.092416] 341724 pages reserved
[  566.092425] 0 pages cma reserved
[  566.095442]  ? check_preemption_disabled+0x48/0x290
[  566.099993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  566.103043]  ? lock_acquire+0x16f/0x3f0
[  566.103067]  new_skb+0x28/0x1d0
[  566.106795] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  566.110669]  aoecmd_cfg+0x1b5/0x640
[  566.114269] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  566.117755]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  566.163852]  ? timer_reduce+0x11d0/0x11d0
[  566.168016]  discover_timer+0x4e/0x60
[  566.171848]  call_timer_fn+0x18d/0x720
[  566.175742]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  566.180416]  ? process_timeout+0x40/0x40
[  566.184564]  ? run_timer_softirq+0x644/0x16a0
[  566.189077]  ? trace_hardirqs_on+0x67/0x220
[  566.193407]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  566.198097]  run_timer_softirq+0x64f/0x16a0
[  566.202424]  ? add_timer+0xbe0/0xbe0
[  566.206169]  ? __lock_is_held+0xb6/0x140
[  566.210239]  __do_softirq+0x25c/0x921
[  566.214043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.219575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.225123]  irq_exit+0x180/0x1d0
[  566.228587]  smp_apic_timer_interrupt+0x13b/0x550
[  566.233430]  apic_timer_interrupt+0xf/0x20
[  566.237763]  </IRQ>
[  566.239995] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  566.244921] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  566.264029] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  566.271731] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  566.279009] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  566.286282] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  566.293547] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  566.300811] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  566.308196]  ? mark_held_locks+0xb1/0x100
[  566.312427]  ? __netdev_alloc_skb+0x370/0x470
[  566.316952]  __build_skb+0x3e/0x310
[  566.320579]  __netdev_alloc_skb+0x2ba/0x470
[  566.324898]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  566.329978]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  566.335337]  ? find_held_lock+0x35/0x130
[  566.339395]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  566.343812]  ? check_preemption_disabled+0x48/0x290
[  566.348839]  ? prandom_u32_state+0x13/0x180
[  566.353182]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  566.358379]  ? kmem_cache_alloc+0x32a/0x700
[  566.362694]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  566.367634]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  566.373969]  process_one_work+0x989/0x1750
[  566.378219]  ? pwq_dec_nr_in_flight+0x320/0x320
[  566.382902]  ? lock_acquire+0x16f/0x3f0
[  566.386884]  ? kasan_check_write+0x14/0x20
[  566.391262]  ? do_raw_spin_lock+0xd7/0x250
[  566.395510]  worker_thread+0x98/0xe40
[  566.399324]  kthread+0x354/0x420
[  566.402683]  ? process_one_work+0x1750/0x1750
[  566.407179]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  566.412713]  ret_from_fork+0x24/0x30
[  566.416440] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  566.416493] aoe: skb alloc failure
[  566.424247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  566.424252] Call Trace:
[  566.424259]  <IRQ>
[  566.424278]  dump_stack+0x197/0x210
[  566.424298]  warn_alloc.cold+0x7b/0x173
[  566.424316]  ? zone_watermark_ok_safe+0x260/0x260
[  566.427871] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  566.437206]  ? __cpuset_node_allowed+0x136/0x540
[  566.439773] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  566.441928]  ? __isolate_free_page+0x4c0/0x4c0
[  566.479040]  ? wake_all_kswapds+0x14d/0x300
[  566.483364]  __alloc_pages_slowpath+0x2214/0x2870
[  566.488324]  ? warn_alloc+0x110/0x110
[  566.492137]  ? __lock_acquire+0x6ee/0x49c0
[  566.496373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.501910]  ? should_fail+0x14d/0x85c
[  566.505794]  ? __isolate_free_page+0x4c0/0x4c0
[  566.510390]  __alloc_pages_nodemask+0x617/0x750
[  566.515073]  ? __alloc_pages_slowpath+0x2870/0x2870
[  566.520090]  ? find_held_lock+0x35/0x130
[  566.524159]  cache_grow_begin+0x91/0x8c0
[  566.528227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.533768]  ? __cpuset_node_allowed+0x136/0x540
[  566.538523]  fallback_alloc+0x1fd/0x2d0
[  566.542510]  ____cache_alloc_node+0x1be/0x1e0
[  566.547023]  kmem_cache_alloc_node+0xe3/0x710
[  566.551514]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  566.555756]  __alloc_skb+0xd5/0x5f0
[  566.559379]  ? skb_trim+0x190/0x190
[  566.562994]  ? kasan_check_read+0x11/0x20
[  566.567153]  ndisc_alloc_skb+0x13c/0x340
[  566.571222]  ndisc_send_rs+0x35f/0x6e0
[  566.575118]  addrconf_rs_timer+0x30f/0x680
[  566.579359]  ? ipv6_get_lladdr+0x490/0x490
[  566.583591]  call_timer_fn+0x18d/0x720
[  566.587477]  ? ipv6_get_lladdr+0x490/0x490
[  566.591728]  ? process_timeout+0x40/0x40
[  566.595794]  ? run_timer_softirq+0x644/0x16a0
[  566.600289]  ? trace_hardirqs_on+0x67/0x220
[  566.604604]  ? ipv6_get_lladdr+0x490/0x490
[  566.608978]  run_timer_softirq+0x64f/0x16a0
[  566.613313]  ? add_timer+0xbe0/0xbe0
[  566.617113]  ? __lock_is_held+0xb6/0x140
[  566.621281]  __do_softirq+0x25c/0x921
[  566.625088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.630640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.637177]  irq_exit+0x180/0x1d0
[  566.640749]  smp_apic_timer_interrupt+0x13b/0x550
[  566.645586]  apic_timer_interrupt+0xf/0x20
[  566.650117]  </IRQ>
[  566.652404] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  566.657440] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  566.676487] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  566.684833] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  566.692118] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  566.699410] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  566.707290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  566.714575] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  566.721979]  ? finish_task_switch+0x146/0x7c0
[  566.726488]  skb_clone+0x156/0x3e0
[  566.730029]  bpf_clone_redirect+0xb2/0x480
[  566.735584]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  566.740631]  ? mark_held_locks+0x100/0x100
[  566.744886]  ? __schedule+0x86e/0x1dc0
[  566.749048]  ? retint_kernel+0x2d/0x2d
[  566.753215]  ? firmware_map_remove+0x1a7/0x1a7
[  566.758513]  ? bpf_test_run+0x146/0x430
[  566.762765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.768353]  ? check_preemption_disabled+0x48/0x290
[  566.773498]  ? lock_acquire+0x16f/0x3f0
[  566.777485]  ? kasan_check_read+0x11/0x20
[  566.781646]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  566.786855]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  566.792403]  bpf_test_run+0x10d/0x430
[  566.796298]  bpf_prog_test_run_skb+0x64b/0xb20
[  566.800905]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  566.805900]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  566.810752]  bpf_prog_test_run+0x129/0x1a0
[  566.814992]  __x64_sys_bpf+0x397/0x4c0
[  566.818973]  ? bpf_prog_get+0x20/0x20
[  566.822835]  ? do_syscall_64+0x26/0x620
[  566.826824]  ? lockdep_hardirqs_on+0x415/0x5d0
[  566.831433]  ? trace_hardirqs_on+0x67/0x220
[  566.835786]  do_syscall_64+0xfd/0x620
[  566.839596]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  566.844805] RIP: 0033:0x45b349
[  566.848013] Code: Bad RIP value.
[  566.851562] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  566.859356] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  566.866770] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  566.874047] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  566.881586] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  566.889051] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  566.896430] warn_alloc_show_mem: 1 callbacks suppressed
[  566.896440] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  566.896447] Mem-Info:
[  566.896482] active_anon:162126 inactive_anon:206 isolated_anon:0
[  566.896482]  active_file:14 inactive_file:11 isolated_file:0
[  566.896482]  unevictable:0 dirty:0 writeback:0 unstable:0
[  566.896482]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  566.896482]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  566.896482]  free:10931 free_pcp:206 free_cma:0
[  566.901958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  566.909528] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  566.911975] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  566.945348] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  566.954775] Call Trace:
[  566.982362] 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
[  566.989478]  <IRQ>
[  567.015358] lowmem_reserve[]: 0 2545 2546 2546 2546
[  567.017977]  dump_stack+0x197/0x210
[  567.044066] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  567.046233]  warn_alloc.cold+0x7b/0x173
[  567.051221] lowmem_reserve[]: 0 0 1 1 1
[  567.054863]  ? zone_watermark_ok_safe+0x260/0x260
[  567.083645] 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
[  567.087636]  ? __cpuset_node_allowed+0x136/0x540
[  567.091593] lowmem_reserve[]: 0 0 0 0 0
[  567.096447]  ? __isolate_free_page+0x4c0/0x4c0
[  567.122183] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  567.126957]  ? wake_all_kswapds+0x14d/0x300
[  567.130909] lowmem_reserve[]: 0 0 0 0 0
[  567.135511]  __alloc_pages_slowpath+0x2214/0x2870
[  567.163127] 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
[  567.167479]  ? warn_alloc+0x110/0x110
[  567.171415] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  567.176280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.188735] 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
[  567.192545]  ? should_fail+0x14d/0x85c
[  567.205896] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  567.211459]  ? __isolate_free_page+0x4c0/0x4c0
[  567.222103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  567.226000]  __alloc_pages_nodemask+0x617/0x750
[  567.241584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  567.246167]  ? __alloc_pages_slowpath+0x2870/0x2870
[  567.255084] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  567.259765]  cache_grow_begin+0x91/0x8c0
[  567.268401] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  567.268411] 281 total pagecache pages
[  567.273439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.282254] 0 pages in swap cache
[  567.286317]  ? __cpuset_node_allowed+0x136/0x540
[  567.294884] Swap cache stats: add 0, delete 0, find 0/0
[  567.294894] Free swap  = 0kB
[  567.298696]  fallback_alloc+0x1fd/0x2d0
[  567.304204] Total swap = 0kB
[  567.304215] 1965979 pages RAM
[  567.307681]  ____cache_alloc_node+0x1be/0x1e0
[  567.312414] 0 pages HighMem/MovableOnly
[  567.312424] 341724 pages reserved
[  567.317902]  kmem_cache_alloc_node+0xe3/0x710
[  567.320902] 0 pages cma reserved
[  567.324883]  __alloc_skb+0xd5/0x5f0
[  567.327945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  567.330962]  ? skb_trim+0x190/0x190
[  567.335654] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  567.339540]  ? check_preemption_disabled+0x48/0x290
[  567.342976] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  567.347481]  ? lock_acquire+0x16f/0x3f0
[  567.389645]  new_skb+0x28/0x1d0
[  567.392938]  aoecmd_cfg+0x1b5/0x640
[  567.396559]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  567.401284]  ? timer_reduce+0x11d0/0x11d0
[  567.405490]  discover_timer+0x4e/0x60
[  567.409305]  call_timer_fn+0x18d/0x720
[  567.413220]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  567.417898]  ? process_timeout+0x40/0x40
[  567.421951]  ? run_timer_softirq+0x644/0x16a0
[  567.426452]  ? trace_hardirqs_on+0x67/0x220
[  567.430784]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  567.435452]  run_timer_softirq+0x64f/0x16a0
[  567.439782]  ? add_timer+0xbe0/0xbe0
[  567.443508]  ? __lock_is_held+0xb6/0x140
[  567.447585]  __do_softirq+0x25c/0x921
[  567.451388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.456928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.462589]  irq_exit+0x180/0x1d0
[  567.466053]  smp_apic_timer_interrupt+0x13b/0x550
[  567.470900]  apic_timer_interrupt+0xf/0x20
[  567.475170]  </IRQ>
[  567.477426] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  567.482360] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  567.501286] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  567.508994] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  567.516269] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  567.523541] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  567.530898] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  567.538169] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  567.545467]  ? mark_held_locks+0xb1/0x100
[  567.549668]  ? __netdev_alloc_skb+0x370/0x470
[  567.554193]  __build_skb+0x3e/0x310
[  567.557831]  __netdev_alloc_skb+0x2ba/0x470
[  567.562156]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  567.567122]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  567.572505]  ? find_held_lock+0x35/0x130
[  567.576595]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  567.581179]  ? check_preemption_disabled+0x48/0x290
[  567.586211]  ? prandom_u32_state+0x13/0x180
[  567.590545]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  567.595746]  ? kmem_cache_alloc+0x32a/0x700
[  567.600210]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  567.605186]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  567.611518]  process_one_work+0x989/0x1750
[  567.615770]  ? pwq_dec_nr_in_flight+0x320/0x320
[  567.620442]  ? lock_acquire+0x16f/0x3f0
[  567.624426]  ? kasan_check_write+0x14/0x20
[  567.628675]  ? do_raw_spin_lock+0xd7/0x250
[  567.632915]  worker_thread+0x98/0xe40
[  567.636725]  kthread+0x354/0x420
[  567.640128]  ? process_one_work+0x1750/0x1750
[  567.644627]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  567.650163]  ret_from_fork+0x24/0x30
[  567.653895] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  567.653957] aoe: skb alloc failure
[  567.661801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  567.661811] Call Trace:
[  567.665447] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  567.674714]  <IRQ>
[  567.677328] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  567.687743]  dump_stack+0x197/0x210
[  567.698424]  warn_alloc.cold+0x7b/0x173
[  567.702528]  ? zone_watermark_ok_safe+0x260/0x260
[  567.707366]  ? __cpuset_node_allowed+0x136/0x540
[  567.712254]  ? __isolate_free_page+0x4c0/0x4c0
[  567.716855]  ? wake_all_kswapds+0x14d/0x300
[  567.721282]  __alloc_pages_slowpath+0x2214/0x2870
[  567.726149]  ? warn_alloc+0x110/0x110
[  567.729946]  ? __lock_acquire+0x6ee/0x49c0
[  567.734184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.739742]  ? should_fail+0x14d/0x85c
[  567.743662]  ? __isolate_free_page+0x4c0/0x4c0
[  567.748261]  __alloc_pages_nodemask+0x617/0x750
[  567.753832]  ? __alloc_pages_slowpath+0x2870/0x2870
[  567.758874]  ? find_held_lock+0x35/0x130
[  567.762944]  cache_grow_begin+0x91/0x8c0
[  567.767014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.772566]  ? __cpuset_node_allowed+0x136/0x540
[  567.777354]  fallback_alloc+0x1fd/0x2d0
[  567.781326]  ____cache_alloc_node+0x1be/0x1e0
[  567.785835]  kmem_cache_alloc_node+0xe3/0x710
[  567.790339]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  567.794688]  __alloc_skb+0xd5/0x5f0
[  567.798318]  ? skb_trim+0x190/0x190
[  567.801952]  ? kasan_check_read+0x11/0x20
[  567.806108]  ndisc_alloc_skb+0x13c/0x340
[  567.810185]  ndisc_send_rs+0x35f/0x6e0
[  567.814076]  addrconf_rs_timer+0x30f/0x680
[  567.818305]  ? ipv6_get_lladdr+0x490/0x490
[  567.822679]  call_timer_fn+0x18d/0x720
[  567.826577]  ? ipv6_get_lladdr+0x490/0x490
[  567.830817]  ? process_timeout+0x40/0x40
[  567.834868]  ? run_timer_softirq+0x644/0x16a0
[  567.839360]  ? trace_hardirqs_on+0x67/0x220
[  567.843686]  ? ipv6_get_lladdr+0x490/0x490
[  567.847916]  run_timer_softirq+0x64f/0x16a0
[  567.852248]  ? add_timer+0xbe0/0xbe0
[  567.855955]  ? __lock_is_held+0xb6/0x140
[  567.860029]  __do_softirq+0x25c/0x921
[  567.863827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.869380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.874934]  irq_exit+0x180/0x1d0
[  567.880215]  smp_apic_timer_interrupt+0x13b/0x550
[  567.885063]  apic_timer_interrupt+0xf/0x20
[  567.889294]  </IRQ>
[  567.891535] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  567.896467] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  567.915482] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  567.923191] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  567.930465] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  567.937848] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  567.945119] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  567.952384] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  567.959700]  ? finish_task_switch+0x146/0x7c0
[  567.964557]  skb_clone+0x156/0x3e0
[  567.968111]  bpf_clone_redirect+0xb2/0x480
[  567.972347]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  567.977381]  ? mark_held_locks+0x100/0x100
[  567.981617]  ? __schedule+0x86e/0x1dc0
[  567.985538]  ? retint_kernel+0x2d/0x2d
[  567.989444]  ? firmware_map_remove+0x1a7/0x1a7
[  567.994029]  ? bpf_test_run+0x146/0x430
[  567.998095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.003623]  ? check_preemption_disabled+0x48/0x290
[  568.008641]  ? lock_acquire+0x16f/0x3f0
[  568.012628]  ? kasan_check_read+0x11/0x20
[  568.016795]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  568.021983]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  568.027525]  bpf_test_run+0x10d/0x430
[  568.031404]  bpf_prog_test_run_skb+0x64b/0xb20
[  568.035989]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  568.040845]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  568.045695]  bpf_prog_test_run+0x129/0x1a0
[  568.049939]  __x64_sys_bpf+0x397/0x4c0
[  568.053838]  ? bpf_prog_get+0x20/0x20
[  568.057648]  ? do_syscall_64+0x26/0x620
[  568.061736]  ? lockdep_hardirqs_on+0x415/0x5d0
[  568.066422]  ? trace_hardirqs_on+0x67/0x220
[  568.070764]  do_syscall_64+0xfd/0x620
[  568.074573]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  568.079764] RIP: 0033:0x45b349
[  568.082969] Code: Bad RIP value.
[  568.086329] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  568.095370] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  568.102636] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  568.109906] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  568.117178] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  568.124446] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  568.131744] warn_alloc_show_mem: 1 callbacks suppressed
[  568.131754] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  568.131756] Mem-Info:
[  568.131786] active_anon:162126 inactive_anon:206 isolated_anon:0
[  568.131786]  active_file:14 inactive_file:11 isolated_file:0
[  568.131786]  unevictable:0 dirty:0 writeback:0 unstable:0
[  568.131786]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  568.131786]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  568.131786]  free:10931 free_pcp:206 free_cma:0
[  568.137130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  568.144588] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  568.147000] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  568.181064] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  568.190539] Call Trace:
[  568.218213] 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
[  568.225405]  <IRQ>
[  568.251080] lowmem_reserve[]: 0 2545 2546 2546 2546
[  568.253724]  dump_stack+0x197/0x210
[  568.280077] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  568.282242]  warn_alloc.cold+0x7b/0x173
[  568.287219] lowmem_reserve[]: 0 0 1 1 1
[  568.290864]  ? zone_watermark_ok_safe+0x260/0x260
[  568.319771] 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
[  568.323750]  ? __cpuset_node_allowed+0x136/0x540
[  568.327700] lowmem_reserve[]: 0 0 0 0 0
[  568.332574]  ? __isolate_free_page+0x4c0/0x4c0
[  568.358433] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  568.363198]  ? wake_all_kswapds+0x14d/0x300
[  568.367142] lowmem_reserve[]: 0 0 0 0 0
[  568.371836]  __alloc_pages_slowpath+0x2214/0x2870
[  568.399320] 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
[  568.403680]  ? warn_alloc+0x110/0x110
[  568.407630] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  568.412472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.425822] 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
[  568.429626]  ? should_fail+0x14d/0x85c
[  568.442953] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  568.448520]  ? __isolate_free_page+0x4c0/0x4c0
[  568.459253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  568.463142]  __alloc_pages_nodemask+0x617/0x750
[  568.478718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  568.478733] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  568.483476]  ? __alloc_pages_slowpath+0x2870/0x2870
[  568.492300] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  568.497158]  cache_grow_begin+0x91/0x8c0
[  568.505719] 281 total pagecache pages
[  568.514563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.519559] 0 pages in swap cache
[  568.528138]  ? __cpuset_node_allowed+0x136/0x540
[  568.532178] Swap cache stats: add 0, delete 0, find 0/0
[  568.535978]  fallback_alloc+0x1fd/0x2d0
[  568.541496] Free swap  = 0kB
[  568.544952]  ____cache_alloc_node+0x1be/0x1e0
[  568.549673] Total swap = 0kB
[  568.549684] 1965979 pages RAM
[  568.555059]  kmem_cache_alloc_node+0xe3/0x710
[  568.559003] 0 pages HighMem/MovableOnly
[  568.559011] 341724 pages reserved
[  568.562083]  __alloc_skb+0xd5/0x5f0
[  568.566550] 0 pages cma reserved
[  568.566619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  568.569583]  ? skb_trim+0x190/0x190
[  568.572781] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  568.577229]  ? check_preemption_disabled+0x48/0x290
[  568.581187] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  568.584636]  ? lock_acquire+0x16f/0x3f0
[  568.626684]  new_skb+0x28/0x1d0
[  568.629973]  aoecmd_cfg+0x1b5/0x640
[  568.633596]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  568.637936]  ? timer_reduce+0x11d0/0x11d0
[  568.642100]  discover_timer+0x4e/0x60
[  568.645981]  call_timer_fn+0x18d/0x720
[  568.649955]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  568.654633]  ? process_timeout+0x40/0x40
[  568.658712]  ? run_timer_softirq+0x644/0x16a0
[  568.663220]  ? trace_hardirqs_on+0x67/0x220
[  568.667626]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  568.672290]  run_timer_softirq+0x64f/0x16a0
[  568.676761]  ? add_timer+0xbe0/0xbe0
[  568.680473]  ? __lock_is_held+0xb6/0x140
[  568.684556]  __do_softirq+0x25c/0x921
[  568.688351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.693901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.699447]  irq_exit+0x180/0x1d0
[  568.702895]  smp_apic_timer_interrupt+0x13b/0x550
[  568.707937]  apic_timer_interrupt+0xf/0x20
[  568.712160]  </IRQ>
[  568.714388] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  568.719436] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  568.738340] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  568.746059] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  568.753327] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  568.760590] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  568.767856] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  568.775124] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  568.782416]  ? mark_held_locks+0xb1/0x100
[  568.786585]  ? __netdev_alloc_skb+0x370/0x470
[  568.791112]  __build_skb+0x3e/0x310
[  568.794766]  __netdev_alloc_skb+0x2ba/0x470
[  568.799088]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  568.803932]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  568.809303]  ? find_held_lock+0x35/0x130
[  568.813375]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  568.817805]  ? check_preemption_disabled+0x48/0x290
[  568.822830]  ? prandom_u32_state+0x13/0x180
[  568.827155]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  568.832358]  ? kmem_cache_alloc+0x32a/0x700
[  568.836697]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  568.841642]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  568.847983]  process_one_work+0x989/0x1750
[  568.852393]  ? pwq_dec_nr_in_flight+0x320/0x320
[  568.857070]  ? lock_acquire+0x16f/0x3f0
[  568.861044]  ? kasan_check_write+0x14/0x20
[  568.865273]  ? do_raw_spin_lock+0xd7/0x250
[  568.869525]  worker_thread+0x98/0xe40
[  568.873334]  kthread+0x354/0x420
[  568.876691]  ? process_one_work+0x1750/0x1750
[  568.881183]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  568.886723]  ret_from_fork+0x24/0x30
[  568.890455] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  568.890514] aoe: skb alloc failure
[  568.898780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  568.898784] Call Trace:
[  568.898792]  <IRQ>
[  568.898811]  dump_stack+0x197/0x210
[  568.898831]  warn_alloc.cold+0x7b/0x173
[  568.898849]  ? zone_watermark_ok_safe+0x260/0x260
[  568.902401] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  568.911727]  ? __cpuset_node_allowed+0x136/0x540
[  568.914289] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  568.916458]  ? __isolate_free_page+0x4c0/0x4c0
[  568.953610]  ? wake_all_kswapds+0x14d/0x300
[  568.957960]  __alloc_pages_slowpath+0x2214/0x2870
[  568.962817]  ? warn_alloc+0x110/0x110
[  568.966618]  ? __lock_acquire+0x6ee/0x49c0
[  568.970851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.976393]  ? should_fail+0x14d/0x85c
[  568.980315]  ? __isolate_free_page+0x4c0/0x4c0
[  568.984911]  __alloc_pages_nodemask+0x617/0x750
[  568.989597]  ? __alloc_pages_slowpath+0x2870/0x2870
[  568.994616]  ? find_held_lock+0x35/0x130
[  568.999043]  cache_grow_begin+0x91/0x8c0
[  569.003127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.008736]  ? __cpuset_node_allowed+0x136/0x540
[  569.013514]  fallback_alloc+0x1fd/0x2d0
[  569.017487]  ____cache_alloc_node+0x1be/0x1e0
[  569.022031]  kmem_cache_alloc_node+0xe3/0x710
[  569.026524]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  569.030781]  __alloc_skb+0xd5/0x5f0
[  569.034406]  ? skb_trim+0x190/0x190
[  569.038035]  ? kasan_check_read+0x11/0x20
[  569.042194]  ndisc_alloc_skb+0x13c/0x340
[  569.046259]  ndisc_send_rs+0x35f/0x6e0
[  569.050154]  addrconf_rs_timer+0x30f/0x680
[  569.054396]  ? ipv6_get_lladdr+0x490/0x490
[  569.058632]  call_timer_fn+0x18d/0x720
[  569.062513]  ? ipv6_get_lladdr+0x490/0x490
[  569.066740]  ? process_timeout+0x40/0x40
[  569.070913]  ? run_timer_softirq+0x644/0x16a0
[  569.075415]  ? trace_hardirqs_on+0x67/0x220
[  569.079740]  ? ipv6_get_lladdr+0x490/0x490
[  569.083987]  run_timer_softirq+0x64f/0x16a0
[  569.088307]  ? add_timer+0xbe0/0xbe0
[  569.092013]  ? __lock_is_held+0xb6/0x140
[  569.096087]  __do_softirq+0x25c/0x921
[  569.099882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.105431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.110986]  irq_exit+0x180/0x1d0
[  569.114440]  smp_apic_timer_interrupt+0x13b/0x550
[  569.119394]  apic_timer_interrupt+0xf/0x20
[  569.123639]  </IRQ>
[  569.125884] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  569.130818] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  569.149736] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  569.157454] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  569.164859] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  569.172227] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  569.179700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  569.187004] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  569.194323]  ? finish_task_switch+0x146/0x7c0
[  569.198831]  skb_clone+0x156/0x3e0
[  569.202388]  bpf_clone_redirect+0xb2/0x480
[  569.206625]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  569.211657]  ? mark_held_locks+0x100/0x100
[  569.215889]  ? __schedule+0x86e/0x1dc0
[  569.219763]  ? retint_kernel+0x2d/0x2d
[  569.223664]  ? firmware_map_remove+0x1a7/0x1a7
[  569.228262]  ? bpf_test_run+0x146/0x430
[  569.232263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.237795]  ? check_preemption_disabled+0x48/0x290
[  569.242823]  ? lock_acquire+0x16f/0x3f0
[  569.246796]  ? kasan_check_read+0x11/0x20
[  569.250983]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  569.256176]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  569.261832]  bpf_test_run+0x10d/0x430
[  569.265638]  bpf_prog_test_run_skb+0x64b/0xb20
[  569.270248]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  569.275087]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  569.279934]  bpf_prog_test_run+0x129/0x1a0
[  569.284179]  __x64_sys_bpf+0x397/0x4c0
[  569.288060]  ? bpf_prog_get+0x20/0x20
[  569.291875]  ? do_syscall_64+0x26/0x620
[  569.295852]  ? lockdep_hardirqs_on+0x415/0x5d0
[  569.300447]  ? trace_hardirqs_on+0x67/0x220
[  569.304769]  do_syscall_64+0xfd/0x620
[  569.308692]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  569.313994] RIP: 0033:0x45b349
[  569.317191] Code: Bad RIP value.
[  569.320556] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  569.328284] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  569.335555] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  569.342825] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  569.350097] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  569.357369] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  569.364659] warn_alloc_show_mem: 1 callbacks suppressed
[  569.364669] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  569.364671] Mem-Info:
[  569.364699] active_anon:162126 inactive_anon:206 isolated_anon:0
[  569.364699]  active_file:14 inactive_file:11 isolated_file:0
[  569.364699]  unevictable:0 dirty:0 writeback:0 unstable:0
[  569.364699]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  569.364699]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  569.364699]  free:10931 free_pcp:206 free_cma:0
[  569.370053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  569.377542] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  569.379966] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  569.413024] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  569.422384] Call Trace:
[  569.450058] 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
[  569.457161]  <IRQ>
[  569.482823] lowmem_reserve[]: 0 2545 2546 2546 2546
[  569.485547]  dump_stack+0x197/0x210
[  569.511860] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  569.514023]  warn_alloc.cold+0x7b/0x173
[  569.519004] lowmem_reserve[]: 0 0 1 1 1
[  569.522655]  ? zone_watermark_ok_safe+0x260/0x260
[  569.551444] 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
[  569.555431]  ? __cpuset_node_allowed+0x136/0x540
[  569.559536] lowmem_reserve[]: 0 0 0 0 0
[  569.564416]  ? __isolate_free_page+0x4c0/0x4c0
[  569.590369] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  569.595144]  ? wake_all_kswapds+0x14d/0x300
[  569.599091] lowmem_reserve[]: 0 0 0 0 0
[  569.604039]  __alloc_pages_slowpath+0x2214/0x2870
[  569.631599] 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
[  569.635949]  ? warn_alloc+0x110/0x110
[  569.639865] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  569.644776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  569.657245] 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
[  569.661055]  ? should_fail+0x14d/0x85c
[  569.674381] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  569.680058]  ? __isolate_free_page+0x4c0/0x4c0
[  569.690700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  569.694647]  __alloc_pages_nodemask+0x617/0x750
[  569.694668]  ? __alloc_pages_slowpath+0x2870/0x2870
[  569.694695]  cache_grow_begin+0x91/0x8c0
[  569.710408] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  569.714991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.723909] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  569.729302]  ? __cpuset_node_allowed+0x136/0x540
[  569.734302] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  569.738362]  fallback_alloc+0x1fd/0x2d0
[  569.747271] 281 total pagecache pages
[  569.752831]  ____cache_alloc_node+0x1be/0x1e0
[  569.761647] 0 pages in swap cache
[  569.766410]  kmem_cache_alloc_node+0xe3/0x710
[  569.774971] Swap cache stats: add 0, delete 0, find 0/0
[  569.778964]  __alloc_skb+0xd5/0x5f0
[  569.782742] Free swap  = 0kB
[  569.787348]  ? skb_trim+0x190/0x190
[  569.790782] Total swap = 0kB
[  569.795283]  ? check_preemption_disabled+0x48/0x290
[  569.800625] 1965979 pages RAM
[  569.804245]  ? lock_acquire+0x16f/0x3f0
[  569.807240] 0 pages HighMem/MovableOnly
[  569.810873]  new_skb+0x28/0x1d0
[  569.813882] 341724 pages reserved
[  569.813891] 0 pages cma reserved
[  569.818924]  aoecmd_cfg+0x1b5/0x640
[  569.822057] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  569.826121]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  569.826142]  ? timer_reduce+0x11d0/0x11d0
[  569.826164]  discover_timer+0x4e/0x60
[  569.830211] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  569.833430]  call_timer_fn+0x18d/0x720
[  569.837094] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  569.840480]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  569.887352]  ? process_timeout+0x40/0x40
[  569.891419]  ? run_timer_softirq+0x644/0x16a0
[  569.895917]  ? trace_hardirqs_on+0x67/0x220
[  569.900238]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  569.904919]  run_timer_softirq+0x64f/0x16a0
[  569.909241]  ? add_timer+0xbe0/0xbe0
[  569.913005]  ? __lock_is_held+0xb6/0x140
[  569.917103]  __do_softirq+0x25c/0x921
[  569.920939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.926501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  569.932095]  irq_exit+0x180/0x1d0
[  569.935552]  smp_apic_timer_interrupt+0x13b/0x550
[  569.940419]  apic_timer_interrupt+0xf/0x20
[  569.944738]  </IRQ>
[  569.946980] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  569.951900] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  569.970914] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  569.978631] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  569.985909] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  569.993182] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  570.000518] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  570.007902] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  570.015205]  ? mark_held_locks+0xb1/0x100
[  570.019349]  ? __netdev_alloc_skb+0x370/0x470
[  570.023842]  __build_skb+0x3e/0x310
[  570.027587]  __netdev_alloc_skb+0x2ba/0x470
[  570.031909]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  570.036762]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  570.042137]  ? find_held_lock+0x35/0x130
[  570.046205]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  570.050603]  ? check_preemption_disabled+0x48/0x290
[  570.055726]  ? prandom_u32_state+0x13/0x180
[  570.060066]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  570.065270]  ? kmem_cache_alloc+0x32a/0x700
[  570.069600]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  570.074533]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  570.080868]  process_one_work+0x989/0x1750
[  570.085134]  ? pwq_dec_nr_in_flight+0x320/0x320
[  570.089812]  ? lock_acquire+0x16f/0x3f0
[  570.093781]  ? kasan_check_write+0x14/0x20
[  570.098021]  ? do_raw_spin_lock+0xd7/0x250
[  570.102267]  worker_thread+0x98/0xe40
[  570.106074]  kthread+0x354/0x420
[  570.109446]  ? process_one_work+0x1750/0x1750
[  570.113932]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  570.119482]  ret_from_fork+0x24/0x30
[  570.123206] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  570.123270] aoe: skb alloc failure
[  570.131127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  570.131132] Call Trace:
[  570.131139]  <IRQ>
[  570.131158]  dump_stack+0x197/0x210
[  570.131178]  warn_alloc.cold+0x7b/0x173
[  570.131195]  ? zone_watermark_ok_safe+0x260/0x260
[  570.134776] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  570.144082]  ? __cpuset_node_allowed+0x136/0x540
[  570.146660] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  570.148811]  ? __isolate_free_page+0x4c0/0x4c0
[  570.185971]  ? wake_all_kswapds+0x14d/0x300
[  570.190323]  __alloc_pages_slowpath+0x2214/0x2870
[  570.195197]  ? warn_alloc+0x110/0x110
[  570.199007]  ? __lock_acquire+0x6ee/0x49c0
[  570.203263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.208794]  ? should_fail+0x14d/0x85c
[  570.212696]  ? __isolate_free_page+0x4c0/0x4c0
[  570.217290]  __alloc_pages_nodemask+0x617/0x750
[  570.222099]  ? __alloc_pages_slowpath+0x2870/0x2870
[  570.227115]  ? find_held_lock+0x35/0x130
[  570.231184]  cache_grow_begin+0x91/0x8c0
[  570.235239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.240781]  ? __cpuset_node_allowed+0x136/0x540
[  570.245632]  fallback_alloc+0x1fd/0x2d0
[  570.249620]  ____cache_alloc_node+0x1be/0x1e0
[  570.254122]  kmem_cache_alloc_node+0xe3/0x710
[  570.258642]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  570.262889]  __alloc_skb+0xd5/0x5f0
[  570.266650]  ? skb_trim+0x190/0x190
[  570.270269]  ? kasan_check_read+0x11/0x20
[  570.274421]  ndisc_alloc_skb+0x13c/0x340
[  570.278634]  ndisc_send_rs+0x35f/0x6e0
[  570.282532]  addrconf_rs_timer+0x30f/0x680
[  570.286781]  ? ipv6_get_lladdr+0x490/0x490
[  570.291016]  call_timer_fn+0x18d/0x720
[  570.294928]  ? ipv6_get_lladdr+0x490/0x490
[  570.299178]  ? process_timeout+0x40/0x40
[  570.303255]  ? run_timer_softirq+0x644/0x16a0
[  570.307764]  ? trace_hardirqs_on+0x67/0x220
[  570.312209]  ? ipv6_get_lladdr+0x490/0x490
[  570.316454]  run_timer_softirq+0x64f/0x16a0
[  570.320776]  ? add_timer+0xbe0/0xbe0
[  570.324504]  ? __lock_is_held+0xb6/0x140
[  570.328567]  __do_softirq+0x25c/0x921
[  570.332364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.337904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.343451]  irq_exit+0x180/0x1d0
[  570.346923]  smp_apic_timer_interrupt+0x13b/0x550
[  570.351761]  apic_timer_interrupt+0xf/0x20
[  570.355982]  </IRQ>
[  570.358223] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  570.363155] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  570.382057] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  570.389780] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  570.397048] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  570.404366] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  570.411640] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  570.418933] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  570.426233]  ? finish_task_switch+0x146/0x7c0
[  570.430756]  skb_clone+0x156/0x3e0
[  570.434324]  bpf_clone_redirect+0xb2/0x480
[  570.438564]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  570.443735]  ? mark_held_locks+0x100/0x100
[  570.447968]  ? __schedule+0x86e/0x1dc0
[  570.451856]  ? retint_kernel+0x2d/0x2d
[  570.455767]  ? firmware_map_remove+0x1a7/0x1a7
[  570.460345]  ? bpf_test_run+0x146/0x430
[  570.464329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.469873]  ? check_preemption_disabled+0x48/0x290
[  570.474950]  ? lock_acquire+0x16f/0x3f0
[  570.478923]  ? kasan_check_read+0x11/0x20
[  570.483074]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  570.488271]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  570.493824]  bpf_test_run+0x10d/0x430
[  570.497626]  bpf_prog_test_run_skb+0x64b/0xb20
[  570.502221]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  570.507076]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  570.511973]  bpf_prog_test_run+0x129/0x1a0
[  570.516226]  __x64_sys_bpf+0x397/0x4c0
[  570.520108]  ? bpf_prog_get+0x20/0x20
[  570.523931]  ? do_syscall_64+0x26/0x620
[  570.527902]  ? lockdep_hardirqs_on+0x415/0x5d0
[  570.532494]  ? trace_hardirqs_on+0x67/0x220
[  570.536824]  do_syscall_64+0xfd/0x620
[  570.540639]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  570.545830] RIP: 0033:0x45b349
[  570.549044] Code: Bad RIP value.
[  570.552398] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  570.560103] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  570.567367] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  570.574627] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  570.581896] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  570.589162] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  570.596440] warn_alloc_show_mem: 1 callbacks suppressed
[  570.596450] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  570.596451] Mem-Info:
[  570.596481] active_anon:162126 inactive_anon:206 isolated_anon:0
[  570.596481]  active_file:14 inactive_file:11 isolated_file:0
[  570.596481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  570.596481]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  570.596481]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  570.596481]  free:10931 free_pcp:206 free_cma:0
[  570.601828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  570.601856] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  570.609378] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  570.611769] Call Trace:
[  570.644944] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  570.654268]  <IRQ>
[  570.661352] 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
[  570.688930]  dump_stack+0x197/0x210
[  570.691480] lowmem_reserve[]: 0 2545 2546 2546 2546
[  570.717172]  warn_alloc.cold+0x7b/0x173
[  570.719312] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  570.745429]  ? zone_watermark_ok_safe+0x260/0x260
[  570.749025] lowmem_reserve[]: 0 0 1 1 1
[  570.754055]  ? __cpuset_node_allowed+0x136/0x540
[  570.758003] 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
[  570.787593]  ? __isolate_free_page+0x4c0/0x4c0
[  570.792407] lowmem_reserve[]: 0 0 0 0 0
[  570.796387]  ? wake_all_kswapds+0x14d/0x300
[  570.801116] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  570.827487]  __alloc_pages_slowpath+0x2214/0x2870
[  570.832037] lowmem_reserve[]: 0 0 0 0 0
[  570.836020]  ? warn_alloc+0x110/0x110
[  570.840298] 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
[  570.867860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.872688] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  570.876669]  ? should_fail+0x14d/0x85c
[  570.880454] 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
[  570.892949]  ? __isolate_free_page+0x4c0/0x4c0
[  570.898468] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  570.911854]  __alloc_pages_nodemask+0x617/0x750
[  570.915761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  570.915775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  570.926445]  ? __alloc_pages_slowpath+0x2870/0x2870
[  570.931015] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  570.946633]  cache_grow_begin+0x91/0x8c0
[  570.951382] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  570.960224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.968780] 281 total pagecache pages
[  570.973808]  ? __cpuset_node_allowed+0x136/0x540
[  570.982628] 0 pages in swap cache
[  570.986812]  fallback_alloc+0x1fd/0x2d0
[  570.995487] Swap cache stats: add 0, delete 0, find 0/0
[  571.001045]  ____cache_alloc_node+0x1be/0x1e0
[  571.004811] Free swap  = 0kB
[  571.004821] Total swap = 0kB
[  571.009593]  kmem_cache_alloc_node+0xe3/0x710
[  571.013028] 1965979 pages RAM
[  571.017023]  __alloc_skb+0xd5/0x5f0
[  571.022355] 0 pages HighMem/MovableOnly
[  571.026842]  ? skb_trim+0x190/0x190
[  571.031922] 341724 pages reserved
[  571.034933]  ? check_preemption_disabled+0x48/0x290
[  571.039502] 0 pages cma reserved
[  571.039572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  571.042613]  ? lock_acquire+0x16f/0x3f0
[  571.042639]  new_skb+0x28/0x1d0
[  571.046362] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  571.050258]  aoecmd_cfg+0x1b5/0x640
[  571.053860] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  571.057309]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  571.103331]  ? timer_reduce+0x11d0/0x11d0
[  571.107500]  discover_timer+0x4e/0x60
[  571.111294]  call_timer_fn+0x18d/0x720
[  571.115232]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  571.119911]  ? process_timeout+0x40/0x40
[  571.123964]  ? run_timer_softirq+0x644/0x16a0
[  571.128460]  ? trace_hardirqs_on+0x67/0x220
[  571.132799]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  571.137470]  run_timer_softirq+0x64f/0x16a0
[  571.141850]  ? add_timer+0xbe0/0xbe0
[  571.145567]  ? __lock_is_held+0xb6/0x140
[  571.149632]  __do_softirq+0x25c/0x921
[  571.153568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.159117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.164674]  irq_exit+0x180/0x1d0
[  571.168122]  smp_apic_timer_interrupt+0x13b/0x550
[  571.172972]  apic_timer_interrupt+0xf/0x20
[  571.177215]  </IRQ>
[  571.179449] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  571.184374] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  571.203390] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  571.211099] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  571.218380] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  571.225647] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  571.232917] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  571.240188] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  571.247489]  ? mark_held_locks+0xb1/0x100
[  571.251653]  ? __netdev_alloc_skb+0x370/0x470
[  571.256159]  __build_skb+0x3e/0x310
[  571.259800]  __netdev_alloc_skb+0x2ba/0x470
[  571.264134]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  571.268979]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  571.274349]  ? find_held_lock+0x35/0x130
[  571.278526]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  571.283105]  ? check_preemption_disabled+0x48/0x290
[  571.288126]  ? prandom_u32_state+0x13/0x180
[  571.292530]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  571.297733]  ? kmem_cache_alloc+0x32a/0x700
[  571.302061]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  571.306998]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  571.313335]  process_one_work+0x989/0x1750
[  571.317584]  ? pwq_dec_nr_in_flight+0x320/0x320
[  571.322251]  ? lock_acquire+0x16f/0x3f0
[  571.326228]  ? kasan_check_write+0x14/0x20
[  571.330465]  ? do_raw_spin_lock+0xd7/0x250
[  571.334707]  worker_thread+0x98/0xe40
[  571.338528]  kthread+0x354/0x420
[  571.341889]  ? process_one_work+0x1750/0x1750
[  571.346389]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  571.352045]  ret_from_fork+0x24/0x30
[  571.355786] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  571.355851] aoe: skb alloc failure
[  571.363586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  571.363591] Call Trace:
[  571.363598]  <IRQ>
[  571.363616]  dump_stack+0x197/0x210
[  571.363636]  warn_alloc.cold+0x7b/0x173
[  571.363653]  ? zone_watermark_ok_safe+0x260/0x260
[  571.367202] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  571.376632]  ? __cpuset_node_allowed+0x136/0x540
[  571.379293] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  571.381496]  ? __isolate_free_page+0x4c0/0x4c0
[  571.418845]  ? wake_all_kswapds+0x14d/0x300
[  571.423188]  __alloc_pages_slowpath+0x2214/0x2870
[  571.428053]  ? warn_alloc+0x110/0x110
[  571.431860]  ? __lock_acquire+0x6ee/0x49c0
[  571.436101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.441671]  ? should_fail+0x14d/0x85c
[  571.445558]  ? __isolate_free_page+0x4c0/0x4c0
[  571.450269]  __alloc_pages_nodemask+0x617/0x750
[  571.454953]  ? __alloc_pages_slowpath+0x2870/0x2870
[  571.459973]  ? find_held_lock+0x35/0x130
[  571.464071]  cache_grow_begin+0x91/0x8c0
[  571.468143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.473809]  ? __cpuset_node_allowed+0x136/0x540
[  571.478563]  fallback_alloc+0x1fd/0x2d0
[  571.482557]  ____cache_alloc_node+0x1be/0x1e0
[  571.487189]  kmem_cache_alloc_node+0xe3/0x710
[  571.491696]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  571.495937]  __alloc_skb+0xd5/0x5f0
[  571.499575]  ? skb_trim+0x190/0x190
[  571.503218]  ? kasan_check_read+0x11/0x20
[  571.507370]  ndisc_alloc_skb+0x13c/0x340
[  571.511443]  ndisc_send_rs+0x35f/0x6e0
[  571.515356]  addrconf_rs_timer+0x30f/0x680
[  571.519597]  ? ipv6_get_lladdr+0x490/0x490
[  571.523845]  call_timer_fn+0x18d/0x720
[  571.527732]  ? ipv6_get_lladdr+0x490/0x490
[  571.531987]  ? process_timeout+0x40/0x40
[  571.536044]  ? run_timer_softirq+0x644/0x16a0
[  571.540550]  ? trace_hardirqs_on+0x67/0x220
[  571.544886]  ? ipv6_get_lladdr+0x490/0x490
[  571.549131]  run_timer_softirq+0x64f/0x16a0
[  571.553462]  ? add_timer+0xbe0/0xbe0
[  571.557191]  ? __lock_is_held+0xb6/0x140
[  571.561267]  __do_softirq+0x25c/0x921
[  571.565065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.570602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.576141]  irq_exit+0x180/0x1d0
[  571.579722]  smp_apic_timer_interrupt+0x13b/0x550
[  571.584594]  apic_timer_interrupt+0xf/0x20
[  571.588826]  </IRQ>
[  571.591058] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  571.596002] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  571.614909] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  571.622712] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  571.630011] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  571.637280] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  571.644569] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  571.651850] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  571.659151]  ? finish_task_switch+0x146/0x7c0
[  571.663672]  skb_clone+0x156/0x3e0
[  571.667328]  bpf_clone_redirect+0xb2/0x480
[  571.671586]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  571.676632]  ? mark_held_locks+0x100/0x100
[  571.680865]  ? __schedule+0x86e/0x1dc0
[  571.684754]  ? retint_kernel+0x2d/0x2d
[  571.688766]  ? firmware_map_remove+0x1a7/0x1a7
[  571.693446]  ? bpf_test_run+0x146/0x430
[  571.697431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.702977]  ? check_preemption_disabled+0x48/0x290
[  571.707989]  ? lock_acquire+0x16f/0x3f0
[  571.712067]  ? kasan_check_read+0x11/0x20
[  571.716207]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  571.721468]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  571.727013]  bpf_test_run+0x10d/0x430
[  571.730818]  bpf_prog_test_run_skb+0x64b/0xb20
[  571.735418]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  571.740290]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  571.745129]  bpf_prog_test_run+0x129/0x1a0
[  571.749371]  __x64_sys_bpf+0x397/0x4c0
[  571.753268]  ? bpf_prog_get+0x20/0x20
[  571.757082]  ? do_syscall_64+0x26/0x620
[  571.761061]  ? lockdep_hardirqs_on+0x415/0x5d0
[  571.765637]  ? trace_hardirqs_on+0x67/0x220
[  571.769981]  do_syscall_64+0xfd/0x620
[  571.773783]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  571.778976] RIP: 0033:0x45b349
[  571.782180] Code: Bad RIP value.
[  571.785536] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  571.793243] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  571.800721] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  571.807995] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  571.815274] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  571.822549] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  571.829855] warn_alloc_show_mem: 1 callbacks suppressed
[  571.829865] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  571.829867] Mem-Info:
[  571.829896] active_anon:162126 inactive_anon:206 isolated_anon:0
[  571.829896]  active_file:14 inactive_file:11 isolated_file:0
[  571.829896]  unevictable:0 dirty:0 writeback:0 unstable:0
[  571.829896]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  571.829896]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  571.829896]  free:10931 free_pcp:206 free_cma:0
[  571.835242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  571.842824] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  571.845320] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  571.878383] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  571.887817] Call Trace:
[  571.915401] 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
[  571.922560]  <IRQ>
[  571.948353] lowmem_reserve[]: 0 2545 2546 2546 2546
[  571.950957]  dump_stack+0x197/0x210
[  571.977048] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  571.979212]  warn_alloc.cold+0x7b/0x173
[  571.984196] lowmem_reserve[]: 0 0 1 1 1
[  571.987825]  ? zone_watermark_ok_safe+0x260/0x260
[  572.017472] 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
[  572.021556]  ? __cpuset_node_allowed+0x136/0x540
[  572.025510] lowmem_reserve[]: 0 0 0 0 0
[  572.030490]  ? __isolate_free_page+0x4c0/0x4c0
[  572.056466] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  572.061242]  ? wake_all_kswapds+0x14d/0x300
[  572.065187] lowmem_reserve[]: 0 0 0 0 0
[  572.069772]  __alloc_pages_slowpath+0x2214/0x2870
[  572.097253] 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
[  572.101605]  ? warn_alloc+0x110/0x110
[  572.105538] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  572.110384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.122850] 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
[  572.126672]  ? should_fail+0x14d/0x85c
[  572.140002] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  572.145656]  ? __isolate_free_page+0x4c0/0x4c0
[  572.156310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  572.160212]  __alloc_pages_nodemask+0x617/0x750
[  572.175919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  572.180507]  ? __alloc_pages_slowpath+0x2870/0x2870
[  572.189334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  572.194015]  cache_grow_begin+0x91/0x8c0
[  572.202569] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  572.207713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.216499] 281 total pagecache pages
[  572.220550]  ? __cpuset_node_allowed+0x136/0x540
[  572.229285] 0 pages in swap cache
[  572.235004]  fallback_alloc+0x1fd/0x2d0
[  572.238786] Swap cache stats: add 0, delete 0, find 0/0
[  572.243546]  ____cache_alloc_node+0x1be/0x1e0
[  572.246976] Free swap  = 0kB
[  572.246985] Total swap = 0kB
[  572.250967]  kmem_cache_alloc_node+0xe3/0x710
[  572.256311] 1965979 pages RAM
[  572.260807]  __alloc_skb+0xd5/0x5f0
[  572.263796] 0 pages HighMem/MovableOnly
[  572.263805] 341724 pages reserved
[  572.266854]  ? skb_trim+0x190/0x190
[  572.271325] 0 pages cma reserved
[  572.274431]  ? check_preemption_disabled+0x48/0x290
[  572.278094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  572.282002]  ? lock_acquire+0x16f/0x3f0
[  572.282027]  new_skb+0x28/0x1d0
[  572.285676] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  572.289212]  aoecmd_cfg+0x1b5/0x640
[  572.292559] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  572.297603]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  572.335250]  ? timer_reduce+0x11d0/0x11d0
[  572.339402]  discover_timer+0x4e/0x60
[  572.343215]  call_timer_fn+0x18d/0x720
[  572.347111]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  572.351784]  ? process_timeout+0x40/0x40
[  572.355846]  ? run_timer_softirq+0x644/0x16a0
[  572.360355]  ? trace_hardirqs_on+0x67/0x220
[  572.364688]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  572.369551]  run_timer_softirq+0x64f/0x16a0
[  572.373976]  ? add_timer+0xbe0/0xbe0
[  572.377697]  ? __lock_is_held+0xb6/0x140
[  572.381774]  __do_softirq+0x25c/0x921
[  572.385570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.391113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.396658]  irq_exit+0x180/0x1d0
[  572.400126]  smp_apic_timer_interrupt+0x13b/0x550
[  572.404969]  apic_timer_interrupt+0xf/0x20
[  572.409199]  </IRQ>
[  572.411432] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  572.416370] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  572.435850] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  572.443565] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  572.451278] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  572.458550] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  572.465948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  572.473211] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  572.480511]  ? mark_held_locks+0xb1/0x100
[  572.484750]  ? __netdev_alloc_skb+0x370/0x470
[  572.489268]  __build_skb+0x3e/0x310
[  572.492895]  __netdev_alloc_skb+0x2ba/0x470
[  572.497239]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  572.502073]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  572.507467]  ? find_held_lock+0x35/0x130
[  572.511541]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  572.515954]  ? check_preemption_disabled+0x48/0x290
[  572.520977]  ? prandom_u32_state+0x13/0x180
[  572.525312]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  572.530650]  ? kmem_cache_alloc+0x32a/0x700
[  572.534969]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  572.539915]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  572.546255]  process_one_work+0x989/0x1750
[  572.550504]  ? pwq_dec_nr_in_flight+0x320/0x320
[  572.555182]  ? lock_acquire+0x16f/0x3f0
[  572.559155]  ? kasan_check_write+0x14/0x20
[  572.563508]  ? do_raw_spin_lock+0xd7/0x250
[  572.567786]  worker_thread+0x98/0xe40
[  572.571596]  kthread+0x354/0x420
[  572.574965]  ? process_one_work+0x1750/0x1750
[  572.579459]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  572.585007]  ret_from_fork+0x24/0x30
[  572.588747] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  572.588814] aoe: skb alloc failure
[  572.596654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  572.596660] Call Trace:
[  572.596666]  <IRQ>
[  572.596683]  dump_stack+0x197/0x210
[  572.596703]  warn_alloc.cold+0x7b/0x173
[  572.596720]  ? zone_watermark_ok_safe+0x260/0x260
[  572.600276] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  572.609614]  ? __cpuset_node_allowed+0x136/0x540
[  572.612174] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  572.614332]  ? __isolate_free_page+0x4c0/0x4c0
[  572.651514]  ? wake_all_kswapds+0x14d/0x300
[  572.655842]  __alloc_pages_slowpath+0x2214/0x2870
[  572.660799]  ? warn_alloc+0x110/0x110
[  572.664635]  ? __lock_acquire+0x6ee/0x49c0
[  572.668888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.674435]  ? should_fail+0x14d/0x85c
[  572.678356]  ? __isolate_free_page+0x4c0/0x4c0
[  572.682944]  __alloc_pages_nodemask+0x617/0x750
[  572.687730]  ? __alloc_pages_slowpath+0x2870/0x2870
[  572.692746]  ? find_held_lock+0x35/0x130
[  572.696820]  cache_grow_begin+0x91/0x8c0
[  572.700896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.706441]  ? __cpuset_node_allowed+0x136/0x540
[  572.711208]  fallback_alloc+0x1fd/0x2d0
[  572.715197]  ____cache_alloc_node+0x1be/0x1e0
[  572.719700]  kmem_cache_alloc_node+0xe3/0x710
[  572.724210]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  572.728468]  __alloc_skb+0xd5/0x5f0
[  572.732095]  ? skb_trim+0x190/0x190
[  572.735723]  ? kasan_check_read+0x11/0x20
[  572.739877]  ndisc_alloc_skb+0x13c/0x340
[  572.743950]  ndisc_send_rs+0x35f/0x6e0
[  572.747835]  addrconf_rs_timer+0x30f/0x680
[  572.752064]  ? ipv6_get_lladdr+0x490/0x490
[  572.756311]  call_timer_fn+0x18d/0x720
[  572.760195]  ? ipv6_get_lladdr+0x490/0x490
[  572.764445]  ? process_timeout+0x40/0x40
[  572.768498]  ? run_timer_softirq+0x644/0x16a0
[  572.772989]  ? trace_hardirqs_on+0x67/0x220
[  572.777319]  ? ipv6_get_lladdr+0x490/0x490
[  572.781557]  run_timer_softirq+0x64f/0x16a0
[  572.785887]  ? add_timer+0xbe0/0xbe0
[  572.789594]  ? __lock_is_held+0xb6/0x140
[  572.793660]  __do_softirq+0x25c/0x921
[  572.797452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.803003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.809265]  irq_exit+0x180/0x1d0
[  572.812714]  smp_apic_timer_interrupt+0x13b/0x550
[  572.817575]  apic_timer_interrupt+0xf/0x20
[  572.821806]  </IRQ>
[  572.824037] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  572.828971] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  572.847983] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  572.855693] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  572.862966] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  572.870283] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  572.877733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  572.885007] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  572.892427]  ? finish_task_switch+0x146/0x7c0
[  572.896922]  skb_clone+0x156/0x3e0
[  572.900456]  bpf_clone_redirect+0xb2/0x480
[  572.904712]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  572.909754]  ? mark_held_locks+0x100/0x100
[  572.914007]  ? __schedule+0x86e/0x1dc0
[  572.917891]  ? retint_kernel+0x2d/0x2d
[  572.921776]  ? firmware_map_remove+0x1a7/0x1a7
[  572.926368]  ? bpf_test_run+0x146/0x430
[  572.930344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.935893]  ? check_preemption_disabled+0x48/0x290
[  572.940905]  ? lock_acquire+0x16f/0x3f0
[  572.944891]  ? kasan_check_read+0x11/0x20
[  572.949054]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  572.954261]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  572.959921]  bpf_test_run+0x10d/0x430
[  572.963726]  bpf_prog_test_run_skb+0x64b/0xb20
[  572.968312]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  572.973167]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  572.978015]  bpf_prog_test_run+0x129/0x1a0
[  572.982246]  __x64_sys_bpf+0x397/0x4c0
[  572.986149]  ? bpf_prog_get+0x20/0x20
[  572.989955]  ? do_syscall_64+0x26/0x620
[  572.993939]  ? lockdep_hardirqs_on+0x415/0x5d0
[  572.998628]  ? trace_hardirqs_on+0x67/0x220
[  573.002964]  do_syscall_64+0xfd/0x620
[  573.006769]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  573.012073] RIP: 0033:0x45b349
[  573.015270] Code: Bad RIP value.
[  573.018638] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  573.026345] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  573.033612] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  573.041008] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  573.048284] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  573.055556] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  573.062847] warn_alloc_show_mem: 1 callbacks suppressed
[  573.062858] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  573.062860] Mem-Info:
[  573.062890] active_anon:162126 inactive_anon:206 isolated_anon:0
[  573.062890]  active_file:14 inactive_file:11 isolated_file:0
[  573.062890]  unevictable:0 dirty:0 writeback:0 unstable:0
[  573.062890]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  573.062890]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  573.062890]  free:10931 free_pcp:206 free_cma:0
[  573.068360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  573.068383] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  573.068390] Call Trace:
[  573.068400]  <IRQ>
[  573.075874] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  573.078287]  dump_stack+0x197/0x210
[  573.111354] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  573.120702]  warn_alloc.cold+0x7b/0x173
[  573.127779] 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
[  573.130372]  ? zone_watermark_ok_safe+0x260/0x260
[  573.132489] lowmem_reserve[]: 0 2545 2546 2546 2546
[  573.160173]  ? __cpuset_node_allowed+0x136/0x540
[  573.163787] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  573.189485]  ? __isolate_free_page+0x4c0/0x4c0
[  573.193429] lowmem_reserve[]: 0 0 1 1 1
[  573.219550]  ? wake_all_kswapds+0x14d/0x300
[  573.224378] 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
[  573.229408]  __alloc_pages_slowpath+0x2214/0x2870
[  573.234138] lowmem_reserve[]: 0 0 0 0 0
[  573.262981]  ? warn_alloc+0x110/0x110
[  573.267524] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  573.271609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.275900] lowmem_reserve[]: 0 0 0 0 0
[  573.301787]  ? should_fail+0x14d/0x85c
[  573.306633] 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
[  573.310619]  ? __isolate_free_page+0x4c0/0x4c0
[  573.314478] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  573.341999]  __alloc_pages_nodemask+0x617/0x750
[  573.347506] 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
[  573.351494]  ? __alloc_pages_slowpath+0x2870/0x2870
[  573.355365] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  573.367864]  cache_grow_begin+0x91/0x8c0
[  573.372429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  573.385796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.390452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  573.390467] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  573.401146]  ? __cpuset_node_allowed+0x136/0x540
[  573.406154] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  573.421765]  fallback_alloc+0x1fd/0x2d0
[  573.425801] 281 total pagecache pages
[  573.434642]  ____cache_alloc_node+0x1be/0x1e0
[  573.440172] 0 pages in swap cache
[  573.448754]  kmem_cache_alloc_node+0xe3/0x710
[  573.457567] Swap cache stats: add 0, delete 0, find 0/0
[  573.457577] Free swap  = 0kB
[  573.462343]  __alloc_skb+0xd5/0x5f0
[  573.470879] Total swap = 0kB
[  573.470889] 1965979 pages RAM
[  573.474881]  ? skb_trim+0x190/0x190
[  573.478657] 0 pages HighMem/MovableOnly
[  573.478666] 341724 pages reserved
[  573.483163]  ? check_preemption_disabled+0x48/0x290
[  573.486599] 0 pages cma reserved
[  573.491092]  ? lock_acquire+0x16f/0x3f0
[  573.496604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  573.499576]  new_skb+0x28/0x1d0
[  573.503225] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  573.506186]  aoecmd_cfg+0x1b5/0x640
[  573.509266] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  573.512903]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  573.566366]  ? timer_reduce+0x11d0/0x11d0
[  573.570526]  discover_timer+0x4e/0x60
[  573.574337]  call_timer_fn+0x18d/0x720
[  573.578218]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  573.582876]  ? process_timeout+0x40/0x40
[  573.586938]  ? run_timer_softirq+0x644/0x16a0
[  573.591444]  ? trace_hardirqs_on+0x67/0x220
[  573.595787]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  573.600479]  run_timer_softirq+0x64f/0x16a0
[  573.604801]  ? add_timer+0xbe0/0xbe0
[  573.608509]  ? __lock_is_held+0xb6/0x140
[  573.612591]  __do_softirq+0x25c/0x921
[  573.616397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.621943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.627488]  irq_exit+0x180/0x1d0
[  573.630941]  smp_apic_timer_interrupt+0x13b/0x550
[  573.635793]  apic_timer_interrupt+0xf/0x20
[  573.640036]  </IRQ>
[  573.642281] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  573.647219] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  573.666126] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  573.673847] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  573.681105] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  573.688363] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  573.695624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  573.702885] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  573.710175]  ? mark_held_locks+0xb1/0x100
[  573.714318]  ? __netdev_alloc_skb+0x370/0x470
[  573.718821]  __build_skb+0x3e/0x310
[  573.722445]  __netdev_alloc_skb+0x2ba/0x470
[  573.726761]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  573.731593]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  573.736957]  ? find_held_lock+0x35/0x130
[  573.741017]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  573.745414]  ? check_preemption_disabled+0x48/0x290
[  573.750424]  ? prandom_u32_state+0x13/0x180
[  573.754753]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  573.760287]  ? kmem_cache_alloc+0x32a/0x700
[  573.764601]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  573.769544]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  573.775864]  process_one_work+0x989/0x1750
[  573.780096]  ? pwq_dec_nr_in_flight+0x320/0x320
[  573.784777]  ? lock_acquire+0x16f/0x3f0
[  573.788776]  ? kasan_check_write+0x14/0x20
[  573.793005]  ? do_raw_spin_lock+0xd7/0x250
[  573.797240]  worker_thread+0x98/0xe40
[  573.801093]  kthread+0x354/0x420
[  573.804579]  ? process_one_work+0x1750/0x1750
[  573.809086]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  573.814621]  ret_from_fork+0x24/0x30
[  573.818342] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  573.818399] aoe: skb alloc failure
[  573.826144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  573.826149] Call Trace:
[  573.826156]  <IRQ>
[  573.826175]  dump_stack+0x197/0x210
[  573.826194]  warn_alloc.cold+0x7b/0x173
[  573.826214]  ? zone_watermark_ok_safe+0x260/0x260
[  573.829782] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  573.839116]  ? __cpuset_node_allowed+0x136/0x540
[  573.841680] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  573.843951]  ? __isolate_free_page+0x4c0/0x4c0
[  573.881142]  ? wake_all_kswapds+0x14d/0x300
[  573.885495]  __alloc_pages_slowpath+0x2214/0x2870
[  573.890370]  ? warn_alloc+0x110/0x110
[  573.894167]  ? __lock_acquire+0x6ee/0x49c0
[  573.898407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.903952]  ? should_fail+0x14d/0x85c
[  573.907853]  ? __isolate_free_page+0x4c0/0x4c0
[  573.912554]  __alloc_pages_nodemask+0x617/0x750
[  573.917221]  ? __alloc_pages_slowpath+0x2870/0x2870
[  573.922259]  ? find_held_lock+0x35/0x130
[  573.926335]  cache_grow_begin+0x91/0x8c0
[  573.930412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.935958]  ? __cpuset_node_allowed+0x136/0x540
[  573.940724]  fallback_alloc+0x1fd/0x2d0
[  573.944698]  ____cache_alloc_node+0x1be/0x1e0
[  573.949229]  kmem_cache_alloc_node+0xe3/0x710
[  573.953719]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  573.957977]  __alloc_skb+0xd5/0x5f0
[  573.961613]  ? skb_trim+0x190/0x190
[  573.965242]  ? kasan_check_read+0x11/0x20
[  573.969396]  ndisc_alloc_skb+0x13c/0x340
[  573.973451]  ndisc_send_rs+0x35f/0x6e0
[  573.977338]  addrconf_rs_timer+0x30f/0x680
[  573.981582]  ? ipv6_get_lladdr+0x490/0x490
[  573.985833]  call_timer_fn+0x18d/0x720
[  573.989730]  ? ipv6_get_lladdr+0x490/0x490
[  573.993973]  ? process_timeout+0x40/0x40
[  573.998024]  ? run_timer_softirq+0x644/0x16a0
[  574.002534]  ? trace_hardirqs_on+0x67/0x220
[  574.006908]  ? ipv6_get_lladdr+0x490/0x490
[  574.011140]  run_timer_softirq+0x64f/0x16a0
[  574.015472]  ? add_timer+0xbe0/0xbe0
[  574.019195]  ? __lock_is_held+0xb6/0x140
[  574.023263]  __do_softirq+0x25c/0x921
[  574.027057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.032602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.038167]  irq_exit+0x180/0x1d0
[  574.041645]  smp_apic_timer_interrupt+0x13b/0x550
[  574.046485]  apic_timer_interrupt+0xf/0x20
[  574.050823]  </IRQ>
[  574.053056] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  574.057984] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  574.076888] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  574.084600] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  574.091863] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  574.099227] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  574.106496] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  574.113768] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  574.121063]  ? finish_task_switch+0x146/0x7c0
[  574.125559]  skb_clone+0x156/0x3e0
[  574.129125]  bpf_clone_redirect+0xb2/0x480
[  574.133366]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  574.138397]  ? mark_held_locks+0x100/0x100
[  574.142653]  ? __schedule+0x86e/0x1dc0
[  574.146543]  ? retint_kernel+0x2d/0x2d
[  574.150449]  ? firmware_map_remove+0x1a7/0x1a7
[  574.155043]  ? bpf_test_run+0x146/0x430
[  574.159022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.164559]  ? check_preemption_disabled+0x48/0x290
[  574.170030]  ? lock_acquire+0x16f/0x3f0
[  574.174004]  ? kasan_check_read+0x11/0x20
[  574.178142]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  574.183337]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  574.188881]  bpf_test_run+0x10d/0x430
[  574.192685]  bpf_prog_test_run_skb+0x64b/0xb20
[  574.197263]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  574.202226]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  574.207084]  bpf_prog_test_run+0x129/0x1a0
[  574.211342]  __x64_sys_bpf+0x397/0x4c0
[  574.215240]  ? bpf_prog_get+0x20/0x20
[  574.219128]  ? do_syscall_64+0x26/0x620
[  574.223192]  ? lockdep_hardirqs_on+0x415/0x5d0
[  574.227771]  ? trace_hardirqs_on+0x67/0x220
[  574.232244]  do_syscall_64+0xfd/0x620
[  574.236046]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  574.241222] RIP: 0033:0x45b349
[  574.244422] Code: Bad RIP value.
[  574.247779] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  574.255485] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  574.262747] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  574.270129] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  574.277399] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  574.284678] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  574.291962] warn_alloc_show_mem: 1 callbacks suppressed
[  574.291972] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  574.291974] Mem-Info:
[  574.292003] active_anon:162126 inactive_anon:206 isolated_anon:0
[  574.292003]  active_file:14 inactive_file:11 isolated_file:0
[  574.292003]  unevictable:0 dirty:0 writeback:0 unstable:0
[  574.292003]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  574.292003]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  574.292003]  free:10931 free_pcp:206 free_cma:0
[  574.297470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  574.304929] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  574.307348] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  574.340783] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  574.350119] Call Trace:
[  574.377729] 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
[  574.384833]  <IRQ>
[  574.410503] lowmem_reserve[]: 0 2545 2546 2546 2546
[  574.413102]  dump_stack+0x197/0x210
[  574.442235] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  574.444407]  warn_alloc.cold+0x7b/0x173
[  574.449393] lowmem_reserve[]: 0 0 1 1 1
[  574.453048]  ? zone_watermark_ok_safe+0x260/0x260
[  574.481840] 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
[  574.485840]  ? __cpuset_node_allowed+0x136/0x540
[  574.489786] lowmem_reserve[]: 0 0 0 0 0
[  574.494657]  ? __isolate_free_page+0x4c0/0x4c0
[  574.520546] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  574.525307]  ? wake_all_kswapds+0x14d/0x300
[  574.529242] lowmem_reserve[]: 0 0 0 0 0
[  574.533829]  __alloc_pages_slowpath+0x2214/0x2870
[  574.561318] 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
[  574.565705]  ? warn_alloc+0x110/0x110
[  574.569643] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  574.574489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  574.588053] 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
[  574.591908]  ? should_fail+0x14d/0x85c
[  574.605458] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  574.611018]  ? __isolate_free_page+0x4c0/0x4c0
[  574.621672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  574.625569]  __alloc_pages_nodemask+0x617/0x750
[  574.641360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  574.645943]  ? __alloc_pages_slowpath+0x2870/0x2870
[  574.654758] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  574.659437]  cache_grow_begin+0x91/0x8c0
[  574.668006] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  574.668016] 281 total pagecache pages
[  574.673046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.681866] 0 pages in swap cache
[  574.685942]  ? __cpuset_node_allowed+0x136/0x540
[  574.694494] Swap cache stats: add 0, delete 0, find 0/0
[  574.694503] Free swap  = 0kB
[  574.698310]  fallback_alloc+0x1fd/0x2d0
[  574.703816] Total swap = 0kB
[  574.703826] 1965979 pages RAM
[  574.707304]  ____cache_alloc_node+0x1be/0x1e0
[  574.712037] 0 pages HighMem/MovableOnly
[  574.717408]  kmem_cache_alloc_node+0xe3/0x710
[  574.720403] 341724 pages reserved
[  574.724395]  __alloc_skb+0xd5/0x5f0
[  574.727385] 0 pages cma reserved
[  574.730492]  ? skb_trim+0x190/0x190
[  574.735033] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  574.738962]  ? check_preemption_disabled+0x48/0x290
[  574.743556] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  574.746913]  ? lock_acquire+0x16f/0x3f0
[  574.750517] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  574.753900]  new_skb+0x28/0x1d0
[  574.792460]  aoecmd_cfg+0x1b5/0x640
[  574.796093]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  574.800429]  ? timer_reduce+0x11d0/0x11d0
[  574.804595]  discover_timer+0x4e/0x60
[  574.808507]  call_timer_fn+0x18d/0x720
[  574.812389]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  574.817071]  ? process_timeout+0x40/0x40
[  574.821136]  ? run_timer_softirq+0x644/0x16a0
[  574.825646]  ? trace_hardirqs_on+0x67/0x220
[  574.829966]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  574.834791]  run_timer_softirq+0x64f/0x16a0
[  574.839125]  ? add_timer+0xbe0/0xbe0
[  574.842839]  ? __lock_is_held+0xb6/0x140
[  574.846918]  __do_softirq+0x25c/0x921
[  574.850729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.856262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  574.861814]  irq_exit+0x180/0x1d0
[  574.865279]  smp_apic_timer_interrupt+0x13b/0x550
[  574.870306]  apic_timer_interrupt+0xf/0x20
[  574.874528]  </IRQ>
[  574.876757] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  574.881717] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  574.900634] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  574.908341] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  574.915612] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  574.922874] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  574.930138] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  574.937488] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  574.944787]  ? mark_held_locks+0xb1/0x100
[  574.948953]  ? __netdev_alloc_skb+0x370/0x470
[  574.953458]  __build_skb+0x3e/0x310
[  574.957081]  __netdev_alloc_skb+0x2ba/0x470
[  574.961400]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  574.966248]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  574.971707]  ? find_held_lock+0x35/0x130
[  574.975785]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  574.980205]  ? check_preemption_disabled+0x48/0x290
[  574.985224]  ? prandom_u32_state+0x13/0x180
[  574.989554]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  574.994768]  ? kmem_cache_alloc+0x32a/0x700
[  574.999094]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  575.004037]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  575.010380]  process_one_work+0x989/0x1750
[  575.014635]  ? pwq_dec_nr_in_flight+0x320/0x320
[  575.019298]  ? lock_acquire+0x16f/0x3f0
[  575.023267]  ? kasan_check_write+0x14/0x20
[  575.027509]  ? do_raw_spin_lock+0xd7/0x250
[  575.031758]  worker_thread+0x98/0xe40
[  575.035577]  kthread+0x354/0x420
[  575.038996]  ? process_one_work+0x1750/0x1750
[  575.043495]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  575.049035]  ret_from_fork+0x24/0x30
[  575.052853] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  575.052911] aoe: skb alloc failure
[  575.060667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  575.060672] Call Trace:
[  575.060679]  <IRQ>
[  575.060697]  dump_stack+0x197/0x210
[  575.060716]  warn_alloc.cold+0x7b/0x173
[  575.060730]  ? zone_watermark_ok_safe+0x260/0x260
[  575.060747]  ? __cpuset_node_allowed+0x136/0x540
[  575.064355] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  575.073663]  ? __isolate_free_page+0x4c0/0x4c0
[  575.076230] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  575.078403]  ? wake_all_kswapds+0x14d/0x300
[  575.119852]  __alloc_pages_slowpath+0x2214/0x2870
[  575.124707]  ? warn_alloc+0x110/0x110
[  575.128500]  ? __lock_acquire+0x6ee/0x49c0
[  575.132799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.138344]  ? should_fail+0x14d/0x85c
[  575.142235]  ? __isolate_free_page+0x4c0/0x4c0
[  575.146821]  __alloc_pages_nodemask+0x617/0x750
[  575.151505]  ? __alloc_pages_slowpath+0x2870/0x2870
[  575.156526]  ? find_held_lock+0x35/0x130
[  575.160602]  cache_grow_begin+0x91/0x8c0
[  575.164677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.170220]  ? __cpuset_node_allowed+0x136/0x540
[  575.174979]  fallback_alloc+0x1fd/0x2d0
[  575.178967]  ____cache_alloc_node+0x1be/0x1e0
[  575.183837]  kmem_cache_alloc_node+0xe3/0x710
[  575.188337]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  575.192583]  __alloc_skb+0xd5/0x5f0
[  575.196230]  ? skb_trim+0x190/0x190
[  575.199859]  ? kasan_check_read+0x11/0x20
[  575.204026]  ndisc_alloc_skb+0x13c/0x340
[  575.208097]  ndisc_send_rs+0x35f/0x6e0
[  575.211982]  addrconf_rs_timer+0x30f/0x680
[  575.216263]  ? ipv6_get_lladdr+0x490/0x490
[  575.220515]  call_timer_fn+0x18d/0x720
[  575.224409]  ? ipv6_get_lladdr+0x490/0x490
[  575.228659]  ? process_timeout+0x40/0x40
[  575.232723]  ? run_timer_softirq+0x644/0x16a0
[  575.237341]  ? trace_hardirqs_on+0x67/0x220
[  575.241698]  ? ipv6_get_lladdr+0x490/0x490
[  575.245927]  run_timer_softirq+0x64f/0x16a0
[  575.250262]  ? add_timer+0xbe0/0xbe0
[  575.253996]  ? __lock_is_held+0xb6/0x140
[  575.258077]  __do_softirq+0x25c/0x921
[  575.261875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.267440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.273001]  irq_exit+0x180/0x1d0
[  575.276474]  smp_apic_timer_interrupt+0x13b/0x550
[  575.281327]  apic_timer_interrupt+0xf/0x20
[  575.285561]  </IRQ>
[  575.287797] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  575.292873] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  575.311781] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  575.320624] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  575.327916] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  575.335440] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  575.342709] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  575.349982] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  575.357283]  ? finish_task_switch+0x146/0x7c0
[  575.361796]  skb_clone+0x156/0x3e0
[  575.365346]  bpf_clone_redirect+0xb2/0x480
[  575.369591]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  575.374632]  ? mark_held_locks+0x100/0x100
[  575.378881]  ? __schedule+0x86e/0x1dc0
[  575.382771]  ? retint_kernel+0x2d/0x2d
[  575.386664]  ? firmware_map_remove+0x1a7/0x1a7
[  575.391242]  ? bpf_test_run+0x146/0x430
[  575.395239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.400779]  ? check_preemption_disabled+0x48/0x290
[  575.405801]  ? lock_acquire+0x16f/0x3f0
[  575.409789]  ? kasan_check_read+0x11/0x20
[  575.413941]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  575.419146]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  575.424711]  bpf_test_run+0x10d/0x430
[  575.428527]  bpf_prog_test_run_skb+0x64b/0xb20
[  575.433120]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  575.438062]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  575.442908]  bpf_prog_test_run+0x129/0x1a0
[  575.447165]  __x64_sys_bpf+0x397/0x4c0
[  575.451059]  ? bpf_prog_get+0x20/0x20
[  575.454859]  ? do_syscall_64+0x26/0x620
[  575.458828]  ? lockdep_hardirqs_on+0x415/0x5d0
[  575.463422]  ? trace_hardirqs_on+0x67/0x220
[  575.467766]  do_syscall_64+0xfd/0x620
[  575.471572]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  575.476768] RIP: 0033:0x45b349
[  575.479967] Code: Bad RIP value.
[  575.483329] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  575.491990] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  575.499263] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  575.506523] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  575.513792] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  575.521067] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  575.528360] warn_alloc_show_mem: 1 callbacks suppressed
[  575.528370] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  575.528372] Mem-Info:
[  575.528400] active_anon:162126 inactive_anon:206 isolated_anon:0
[  575.528400]  active_file:14 inactive_file:11 isolated_file:0
[  575.528400]  unevictable:0 dirty:0 writeback:0 unstable:0
[  575.528400]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  575.528400]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  575.528400]  free:10931 free_pcp:206 free_cma:0
[  575.533768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  575.541229] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  575.543769] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  575.576832] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  575.586167] Call Trace:
[  575.586179]  <IRQ>
[  575.613893] 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
[  575.621018]  dump_stack+0x197/0x210
[  575.647551] lowmem_reserve[]: 0 2545 2546 2546 2546
[  575.650151]  warn_alloc.cold+0x7b/0x173
[  575.652276] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  575.678610]  ? zone_watermark_ok_safe+0x260/0x260
[  575.682217] lowmem_reserve[]: 0 0 1 1 1
[  575.687255]  ? __cpuset_node_allowed+0x136/0x540
[  575.691214] 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
[  575.720179]  ? __isolate_free_page+0x4c0/0x4c0
[  575.724993] lowmem_reserve[]: 0 0 0 0 0
[  575.728977]  ? wake_all_kswapds+0x14d/0x300
[  575.733730] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  575.759804]  __alloc_pages_slowpath+0x2214/0x2870
[  575.764359] lowmem_reserve[]: 0 0 0 0 0
[  575.768354]  ? warn_alloc+0x110/0x110
[  575.772651] 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
[  575.800178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.805008] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  575.808983]  ? should_fail+0x14d/0x85c
[  575.812760] 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
[  575.825258]  ? __isolate_free_page+0x4c0/0x4c0
[  575.830780] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  575.844160]  __alloc_pages_nodemask+0x617/0x750
[  575.848038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  575.858703]  ? __alloc_pages_slowpath+0x2870/0x2870
[  575.863264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  575.878885]  cache_grow_begin+0x91/0x8c0
[  575.883658] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  575.892489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.897482] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  575.906179]  ? __cpuset_node_allowed+0x136/0x540
[  575.910227] 281 total pagecache pages
[  575.910241] 0 pages in swap cache
[  575.919075]  fallback_alloc+0x1fd/0x2d0
[  575.924589] Swap cache stats: add 0, delete 0, find 0/0
[  575.933152]  ____cache_alloc_node+0x1be/0x1e0
[  575.937879] Free swap  = 0kB
[  575.941671]  kmem_cache_alloc_node+0xe3/0x710
[  575.945106] Total swap = 0kB
[  575.949089]  __alloc_skb+0xd5/0x5f0
[  575.954428] 1965979 pages RAM
[  575.958930]  ? skb_trim+0x190/0x190
[  575.961923] 0 pages HighMem/MovableOnly
[  575.961931] 341724 pages reserved
[  575.966416]  ? check_preemption_disabled+0x48/0x290
[  575.969411] 0 pages cma reserved
[  575.969493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  575.973046]  ? lock_acquire+0x16f/0x3f0
[  575.976231] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  575.979766]  new_skb+0x28/0x1d0
[  575.983710] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  575.987157]  aoecmd_cfg+0x1b5/0x640
[  576.028879]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  576.033235]  ? timer_reduce+0x11d0/0x11d0
[  576.037383]  discover_timer+0x4e/0x60
[  576.041189]  call_timer_fn+0x18d/0x720
[  576.045066]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  576.049739]  ? process_timeout+0x40/0x40
[  576.053790]  ? run_timer_softirq+0x644/0x16a0
[  576.058283]  ? trace_hardirqs_on+0x67/0x220
[  576.062604]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  576.067265]  run_timer_softirq+0x64f/0x16a0
[  576.071693]  ? add_timer+0xbe0/0xbe0
[  576.075414]  ? __lock_is_held+0xb6/0x140
[  576.079478]  __do_softirq+0x25c/0x921
[  576.083272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.088801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.094356]  irq_exit+0x180/0x1d0
[  576.097819]  smp_apic_timer_interrupt+0x13b/0x550
[  576.102673]  apic_timer_interrupt+0xf/0x20
[  576.106894]  </IRQ>
[  576.109134] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  576.114056] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  576.132963] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  576.140664] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  576.147924] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  576.155238] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  576.162504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  576.169915] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  576.177216]  ? mark_held_locks+0xb1/0x100
[  576.181364]  ? __netdev_alloc_skb+0x370/0x470
[  576.185871]  __build_skb+0x3e/0x310
[  576.189613]  __netdev_alloc_skb+0x2ba/0x470
[  576.193950]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  576.198795]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  576.204155]  ? find_held_lock+0x35/0x130
[  576.208331]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  576.212744]  ? check_preemption_disabled+0x48/0x290
[  576.217773]  ? prandom_u32_state+0x13/0x180
[  576.222101]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  576.227305]  ? kmem_cache_alloc+0x32a/0x700
[  576.231638]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  576.236587]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  576.242922]  process_one_work+0x989/0x1750
[  576.247161]  ? pwq_dec_nr_in_flight+0x320/0x320
[  576.251836]  ? lock_acquire+0x16f/0x3f0
[  576.255819]  ? kasan_check_write+0x14/0x20
[  576.260057]  ? do_raw_spin_lock+0xd7/0x250
[  576.264306]  worker_thread+0x98/0xe40
[  576.268118]  kthread+0x354/0x420
[  576.271477]  ? process_one_work+0x1750/0x1750
[  576.275972]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  576.281507]  ret_from_fork+0x24/0x30
[  576.285237] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  576.285292] aoe: skb alloc failure
[  576.293046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  576.293056] Call Trace:
[  576.296684] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  576.305951]  <IRQ>
[  576.308525] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  576.319061]  dump_stack+0x197/0x210
[  576.329737]  warn_alloc.cold+0x7b/0x173
[  576.333714]  ? zone_watermark_ok_safe+0x260/0x260
[  576.338550]  ? __cpuset_node_allowed+0x136/0x540
[  576.343316]  ? __isolate_free_page+0x4c0/0x4c0
[  576.347898]  ? wake_all_kswapds+0x14d/0x300
[  576.352223]  __alloc_pages_slowpath+0x2214/0x2870
[  576.357090]  ? warn_alloc+0x110/0x110
[  576.361039]  ? __lock_acquire+0x6ee/0x49c0
[  576.365283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.370826]  ? should_fail+0x14d/0x85c
[  576.374719]  ? __isolate_free_page+0x4c0/0x4c0
[  576.379314]  __alloc_pages_nodemask+0x617/0x750
[  576.384004]  ? __alloc_pages_slowpath+0x2870/0x2870
[  576.389033]  ? find_held_lock+0x35/0x130
[  576.393108]  cache_grow_begin+0x91/0x8c0
[  576.397173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.402721]  ? __cpuset_node_allowed+0x136/0x540
[  576.407485]  fallback_alloc+0x1fd/0x2d0
[  576.411481]  ____cache_alloc_node+0x1be/0x1e0
[  576.415988]  kmem_cache_alloc_node+0xe3/0x710
[  576.420492]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  576.424774]  __alloc_skb+0xd5/0x5f0
[  576.428415]  ? skb_trim+0x190/0x190
[  576.432049]  ? kasan_check_read+0x11/0x20
[  576.436202]  ndisc_alloc_skb+0x13c/0x340
[  576.440264]  ndisc_send_rs+0x35f/0x6e0
[  576.444184]  addrconf_rs_timer+0x30f/0x680
[  576.448428]  ? ipv6_get_lladdr+0x490/0x490
[  576.452667]  call_timer_fn+0x18d/0x720
[  576.456560]  ? ipv6_get_lladdr+0x490/0x490
[  576.460789]  ? process_timeout+0x40/0x40
[  576.464853]  ? run_timer_softirq+0x644/0x16a0
[  576.469349]  ? trace_hardirqs_on+0x67/0x220
[  576.473684]  ? ipv6_get_lladdr+0x490/0x490
[  576.477920]  run_timer_softirq+0x64f/0x16a0
[  576.482246]  ? add_timer+0xbe0/0xbe0
[  576.486036]  ? __lock_is_held+0xb6/0x140
[  576.490141]  __do_softirq+0x25c/0x921
[  576.493950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.499500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.505054]  irq_exit+0x180/0x1d0
[  576.508508]  smp_apic_timer_interrupt+0x13b/0x550
[  576.513360]  apic_timer_interrupt+0xf/0x20
[  576.517583]  </IRQ>
[  576.519823] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  576.524771] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  576.543676] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  576.551388] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  576.558656] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  576.565922] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  576.573312] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  576.580702] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  576.588009]  ? finish_task_switch+0x146/0x7c0
[  576.592505]  skb_clone+0x156/0x3e0
[  576.596054]  bpf_clone_redirect+0xb2/0x480
[  576.600305]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  576.605446]  ? mark_held_locks+0x100/0x100
[  576.609675]  ? __schedule+0x86e/0x1dc0
[  576.613564]  ? retint_kernel+0x2d/0x2d
[  576.617475]  ? firmware_map_remove+0x1a7/0x1a7
[  576.622066]  ? bpf_test_run+0x146/0x430
[  576.626062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.631614]  ? check_preemption_disabled+0x48/0x290
[  576.636624]  ? lock_acquire+0x16f/0x3f0
[  576.640610]  ? kasan_check_read+0x11/0x20
[  576.644753]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  576.650060]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  576.655604]  bpf_test_run+0x10d/0x430
[  576.659419]  bpf_prog_test_run_skb+0x64b/0xb20
[  576.664002]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  576.668856]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  576.673830]  bpf_prog_test_run+0x129/0x1a0
[  576.678091]  __x64_sys_bpf+0x397/0x4c0
[  576.681971]  ? bpf_prog_get+0x20/0x20
[  576.685775]  ? do_syscall_64+0x26/0x620
[  576.689754]  ? lockdep_hardirqs_on+0x415/0x5d0
[  576.694353]  ? trace_hardirqs_on+0x67/0x220
[  576.698674]  do_syscall_64+0xfd/0x620
[  576.702480]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  576.707683] RIP: 0033:0x45b349
[  576.710891] Code: Bad RIP value.
[  576.714256] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  576.721989] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  576.729267] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  576.736536] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  576.743802] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  576.751061] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  576.758340] warn_alloc_show_mem: 1 callbacks suppressed
[  576.758350] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  576.758352] Mem-Info:
[  576.758381] active_anon:162126 inactive_anon:206 isolated_anon:0
[  576.758381]  active_file:14 inactive_file:11 isolated_file:0
[  576.758381]  unevictable:0 dirty:0 writeback:0 unstable:0
[  576.758381]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  576.758381]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  576.758381]  free:10931 free_pcp:206 free_cma:0
[  576.763736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  576.771193] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  576.773645] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  576.773673] Call Trace:
[  576.806747] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  576.816079]  <IRQ>
[  576.843760] 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
[  576.850873]  dump_stack+0x197/0x210
[  576.853426] lowmem_reserve[]: 0 2545 2546 2546 2546
[  576.879116]  warn_alloc.cold+0x7b/0x173
[  576.881240] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  576.907367]  ? zone_watermark_ok_safe+0x260/0x260
[  576.911081] lowmem_reserve[]: 0 0 1 1 1
[  576.916102]  ? __cpuset_node_allowed+0x136/0x540
[  576.920051] 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
[  576.948969]  ? __isolate_free_page+0x4c0/0x4c0
[  576.953785] lowmem_reserve[]: 0 0 0 0 0
[  576.957752]  ? wake_all_kswapds+0x14d/0x300
[  576.962479] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  576.988403]  __alloc_pages_slowpath+0x2214/0x2870
[  576.993071] lowmem_reserve[]: 0 0 0 0 0
[  576.997077]  ? warn_alloc+0x110/0x110
[  577.001365] 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
[  577.028875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.033684] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  577.037682]  ? should_fail+0x14d/0x85c
[  577.041462] 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
[  577.053952]  ? __isolate_free_page+0x4c0/0x4c0
[  577.059461] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  577.072837]  __alloc_pages_nodemask+0x617/0x750
[  577.076700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  577.087361]  ? __alloc_pages_slowpath+0x2870/0x2870
[  577.091925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  577.107542]  cache_grow_begin+0x91/0x8c0
[  577.112195] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  577.121030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.126040] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  577.134746]  ? __cpuset_node_allowed+0x136/0x540
[  577.138802] 281 total pagecache pages
[  577.147734]  fallback_alloc+0x1fd/0x2d0
[  577.153268] 0 pages in swap cache
[  577.161957]  ____cache_alloc_node+0x1be/0x1e0
[  577.166709] Swap cache stats: add 0, delete 0, find 0/0
[  577.166718] Free swap  = 0kB
[  577.170639]  kmem_cache_alloc_node+0xe3/0x710
[  577.174672] Total swap = 0kB
[  577.174682] 1965979 pages RAM
[  577.178344]  __alloc_skb+0xd5/0x5f0
[  577.182813] 0 pages HighMem/MovableOnly
[  577.182823] 341724 pages reserved
[  577.188191]  ? skb_trim+0x190/0x190
[  577.191187] 0 pages cma reserved
[  577.191257] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  577.195706]  ? check_preemption_disabled+0x48/0x290
[  577.195719]  ? lock_acquire+0x16f/0x3f0
[  577.195739]  new_skb+0x28/0x1d0
[  577.195756]  aoecmd_cfg+0x1b5/0x640
[  577.198824] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  577.201855]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  577.205462] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  577.209436]  ? timer_reduce+0x11d0/0x11d0
[  577.266624]  discover_timer+0x4e/0x60
[  577.270542]  call_timer_fn+0x18d/0x720
[  577.274435]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  577.279112]  ? process_timeout+0x40/0x40
[  577.283172]  ? run_timer_softirq+0x644/0x16a0
[  577.287675]  ? trace_hardirqs_on+0x67/0x220
[  577.292013]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  577.296684]  run_timer_softirq+0x64f/0x16a0
[  577.301018]  ? add_timer+0xbe0/0xbe0
[  577.304740]  ? __lock_is_held+0xb6/0x140
[  577.308812]  __do_softirq+0x25c/0x921
[  577.312606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.318145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.323729]  irq_exit+0x180/0x1d0
[  577.327192]  smp_apic_timer_interrupt+0x13b/0x550
[  577.332108]  apic_timer_interrupt+0xf/0x20
[  577.336344]  </IRQ>
[  577.338583] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  577.343511] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  577.362588] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  577.370308] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  577.377569] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  577.384837] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  577.392107] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  577.399381] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  577.406712]  ? mark_held_locks+0xb1/0x100
[  577.411047]  ? __netdev_alloc_skb+0x370/0x470
[  577.415538]  __build_skb+0x3e/0x310
[  577.419177]  __netdev_alloc_skb+0x2ba/0x470
[  577.423518]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  577.428369]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  577.433743]  ? find_held_lock+0x35/0x130
[  577.437805]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  577.442204]  ? check_preemption_disabled+0x48/0x290
[  577.447312]  ? prandom_u32_state+0x13/0x180
[  577.451633]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  577.456834]  ? kmem_cache_alloc+0x32a/0x700
[  577.461152]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  577.466084]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  577.472476]  process_one_work+0x989/0x1750
[  577.477013]  ? pwq_dec_nr_in_flight+0x320/0x320
[  577.481695]  ? lock_acquire+0x16f/0x3f0
[  577.485673]  ? kasan_check_write+0x14/0x20
[  577.489918]  ? do_raw_spin_lock+0xd7/0x250
[  577.494152]  worker_thread+0x98/0xe40
[  577.498188]  kthread+0x354/0x420
[  577.501563]  ? process_one_work+0x1750/0x1750
[  577.506055]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  577.511600]  ret_from_fork+0x24/0x30
[  577.515338] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  577.515394] aoe: skb alloc failure
[  577.523145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  577.523154] Call Trace:
[  577.526789] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  577.536057]  <IRQ>
[  577.538631] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  577.549033]  dump_stack+0x197/0x210
[  577.559792]  warn_alloc.cold+0x7b/0x173
[  577.563807]  ? zone_watermark_ok_safe+0x260/0x260
[  577.568645]  ? __cpuset_node_allowed+0x136/0x540
[  577.573413]  ? __isolate_free_page+0x4c0/0x4c0
[  577.578003]  ? wake_all_kswapds+0x14d/0x300
[  577.582344]  __alloc_pages_slowpath+0x2214/0x2870
[  577.587221]  ? warn_alloc+0x110/0x110
[  577.591017]  ? __lock_acquire+0x6ee/0x49c0
[  577.595257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.600787]  ? should_fail+0x14d/0x85c
[  577.604674]  ? __isolate_free_page+0x4c0/0x4c0
[  577.609292]  __alloc_pages_nodemask+0x617/0x750
[  577.613971]  ? __alloc_pages_slowpath+0x2870/0x2870
[  577.619017]  ? find_held_lock+0x35/0x130
[  577.623083]  cache_grow_begin+0x91/0x8c0
[  577.627155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.632696]  ? __cpuset_node_allowed+0x136/0x540
[  577.637457]  fallback_alloc+0x1fd/0x2d0
[  577.641450]  ____cache_alloc_node+0x1be/0x1e0
[  577.645942]  kmem_cache_alloc_node+0xe3/0x710
[  577.650440]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  577.654689]  __alloc_skb+0xd5/0x5f0
[  577.658350]  ? skb_trim+0x190/0x190
[  577.661982]  ? kasan_check_read+0x11/0x20
[  577.666150]  ndisc_alloc_skb+0x13c/0x340
[  577.670268]  ndisc_send_rs+0x35f/0x6e0
[  577.674162]  addrconf_rs_timer+0x30f/0x680
[  577.678524]  ? ipv6_get_lladdr+0x490/0x490
[  577.682772]  call_timer_fn+0x18d/0x720
[  577.686656]  ? ipv6_get_lladdr+0x490/0x490
[  577.690895]  ? process_timeout+0x40/0x40
[  577.694952]  ? run_timer_softirq+0x644/0x16a0
[  577.699463]  ? trace_hardirqs_on+0x67/0x220
[  577.703786]  ? ipv6_get_lladdr+0x490/0x490
[  577.708030]  run_timer_softirq+0x64f/0x16a0
[  577.712352]  ? add_timer+0xbe0/0xbe0
[  577.716225]  ? __lock_is_held+0xb6/0x140
[  577.720304]  __do_softirq+0x25c/0x921
[  577.724154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.729697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.735252]  irq_exit+0x180/0x1d0
[  577.738824]  smp_apic_timer_interrupt+0x13b/0x550
[  577.743679]  apic_timer_interrupt+0xf/0x20
[  577.747904]  </IRQ>
[  577.750145] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  577.755073] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  577.773978] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  577.781690] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  577.788975] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  577.796250] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  577.803643] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  577.811304] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  577.818700]  ? finish_task_switch+0x146/0x7c0
[  577.823193]  skb_clone+0x156/0x3e0
[  577.826744]  bpf_clone_redirect+0xb2/0x480
[  577.830997]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  577.836035]  ? mark_held_locks+0x100/0x100
[  577.840290]  ? __schedule+0x86e/0x1dc0
[  577.844181]  ? retint_kernel+0x2d/0x2d
[  577.848209]  ? firmware_map_remove+0x1a7/0x1a7
[  577.852808]  ? bpf_test_run+0x146/0x430
[  577.856798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.862330]  ? check_preemption_disabled+0x48/0x290
[  577.867351]  ? lock_acquire+0x16f/0x3f0
[  577.871326]  ? kasan_check_read+0x11/0x20
[  577.875486]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  577.880790]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  577.886333]  bpf_test_run+0x10d/0x430
[  577.890140]  bpf_prog_test_run_skb+0x64b/0xb20
[  577.894794]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  577.899648]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  577.904486]  bpf_prog_test_run+0x129/0x1a0
[  577.908725]  __x64_sys_bpf+0x397/0x4c0
[  577.912606]  ? bpf_prog_get+0x20/0x20
[  577.916408]  ? do_syscall_64+0x26/0x620
[  577.920414]  ? lockdep_hardirqs_on+0x415/0x5d0
[  577.925009]  ? trace_hardirqs_on+0x67/0x220
[  577.929342]  do_syscall_64+0xfd/0x620
[  577.933253]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  577.938548] RIP: 0033:0x45b349
[  577.941756] Code: Bad RIP value.
[  577.945197] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  577.952984] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  577.960448] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  577.967707] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  577.974970] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  577.982358] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  577.989651] warn_alloc_show_mem: 1 callbacks suppressed
[  577.989662] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  577.989664] Mem-Info:
[  577.989693] active_anon:162126 inactive_anon:206 isolated_anon:0
[  577.989693]  active_file:14 inactive_file:11 isolated_file:0
[  577.989693]  unevictable:0 dirty:0 writeback:0 unstable:0
[  577.989693]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  577.989693]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  577.989693]  free:10931 free_pcp:206 free_cma:0
[  577.995031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  577.995056] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  578.002502] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  578.004896] Call Trace:
[  578.037977] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  578.047322]  <IRQ>
[  578.054432] 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
[  578.082140]  dump_stack+0x197/0x210
[  578.084723] lowmem_reserve[]: 0 2545 2546 2546 2546
[  578.110676]  warn_alloc.cold+0x7b/0x173
[  578.110695]  ? zone_watermark_ok_safe+0x260/0x260
[  578.112825] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  578.138968]  ? __cpuset_node_allowed+0x136/0x540
[  578.142564] lowmem_reserve[]: 0 0 1 1 1
[  578.150102]  ? __isolate_free_page+0x4c0/0x4c0
[  578.154044] 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
[  578.158894]  ? wake_all_kswapds+0x14d/0x300
[  578.187998] lowmem_reserve[]: 0 0 0 0 0
[  578.192867]  __alloc_pages_slowpath+0x2214/0x2870
[  578.196818] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  578.201435]  ? warn_alloc+0x110/0x110
[  578.227333] lowmem_reserve[]: 0 0 0 0 0
[  578.231676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.235627] 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
[  578.240483]  ? should_fail+0x14d/0x85c
[  578.267964] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  578.271774]  ? __isolate_free_page+0x4c0/0x4c0
[  578.275723] 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
[  578.281283]  __alloc_pages_nodemask+0x617/0x750
[  578.293838] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  578.297740]  ? __alloc_pages_slowpath+0x2870/0x2870
[  578.311120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  578.315722]  cache_grow_begin+0x91/0x8c0
[  578.326444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  578.326459] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  578.331253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.347072] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  578.352096]  ? __cpuset_node_allowed+0x136/0x540
[  578.360918] 281 total pagecache pages
[  578.364988]  fallback_alloc+0x1fd/0x2d0
[  578.374259] 0 pages in swap cache
[  578.383322]  ____cache_alloc_node+0x1be/0x1e0
[  578.388917] Swap cache stats: add 0, delete 0, find 0/0
[  578.388927] Free swap  = 0kB
[  578.397619]  kmem_cache_alloc_node+0xe3/0x710
[  578.402799] Total swap = 0kB
[  578.406619]  __alloc_skb+0xd5/0x5f0
[  578.410569] 1965979 pages RAM
[  578.414030]  ? skb_trim+0x190/0x190
[  578.418509] 0 pages HighMem/MovableOnly
[  578.418518] 341724 pages reserved
[  578.423984]  ? check_preemption_disabled+0x48/0x290
[  578.426998] 0 pages cma reserved
[  578.427102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  578.431514]  ? lock_acquire+0x16f/0x3f0
[  578.431539]  new_skb+0x28/0x1d0
[  578.434723] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  578.438165]  aoecmd_cfg+0x1b5/0x640
[  578.438184]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  578.441412] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  578.445042]  ? timer_reduce+0x11d0/0x11d0
[  578.445067]  discover_timer+0x4e/0x60
[  578.506767]  call_timer_fn+0x18d/0x720
[  578.510671]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  578.515338]  ? process_timeout+0x40/0x40
[  578.519396]  ? run_timer_softirq+0x644/0x16a0
[  578.523906]  ? trace_hardirqs_on+0x67/0x220
[  578.528348]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  578.533044]  run_timer_softirq+0x64f/0x16a0
[  578.537379]  ? add_timer+0xbe0/0xbe0
[  578.541125]  ? __lock_is_held+0xb6/0x140
[  578.547548]  __do_softirq+0x25c/0x921
[  578.551456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.556986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.562535]  irq_exit+0x180/0x1d0
[  578.566091]  smp_apic_timer_interrupt+0x13b/0x550
[  578.570935]  apic_timer_interrupt+0xf/0x20
[  578.575167]  </IRQ>
[  578.577433] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  578.582385] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  578.601411] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  578.609124] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  578.616398] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  578.623672] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  578.630952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  578.638366] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  578.645678]  ? mark_held_locks+0xb1/0x100
[  578.649837]  ? __netdev_alloc_skb+0x370/0x470
[  578.654345]  __build_skb+0x3e/0x310
[  578.657981]  __netdev_alloc_skb+0x2ba/0x470
[  578.662321]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  578.667188]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  578.672561]  ? find_held_lock+0x35/0x130
[  578.676634]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  578.681037]  ? check_preemption_disabled+0x48/0x290
[  578.686165]  ? prandom_u32_state+0x13/0x180
[  578.690655]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  578.695850]  ? kmem_cache_alloc+0x32a/0x700
[  578.700167]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  578.705118]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  578.711489]  process_one_work+0x989/0x1750
[  578.715749]  ? pwq_dec_nr_in_flight+0x320/0x320
[  578.720422]  ? lock_acquire+0x16f/0x3f0
[  578.724413]  ? kasan_check_write+0x14/0x20
[  578.728656]  ? do_raw_spin_lock+0xd7/0x250
[  578.732920]  worker_thread+0x98/0xe40
[  578.736784]  kthread+0x354/0x420
[  578.740260]  ? process_one_work+0x1750/0x1750
[  578.744766]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  578.750321]  ret_from_fork+0x24/0x30
[  578.754053] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  578.754115] aoe: skb alloc failure
[  578.761879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  578.761888] Call Trace:
[  578.766188] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  578.775560]  <IRQ>
[  578.778264] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  578.788777]  dump_stack+0x197/0x210
[  578.799451]  warn_alloc.cold+0x7b/0x173
[  578.803437]  ? zone_watermark_ok_safe+0x260/0x260
[  578.808701]  ? __cpuset_node_allowed+0x136/0x540
[  578.813556]  ? __isolate_free_page+0x4c0/0x4c0
[  578.818134]  ? wake_all_kswapds+0x14d/0x300
[  578.822460]  __alloc_pages_slowpath+0x2214/0x2870
[  578.827447]  ? warn_alloc+0x110/0x110
[  578.831259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.836803]  ? should_fail+0x14d/0x85c
[  578.840705]  ? __isolate_free_page+0x4c0/0x4c0
[  578.845301]  __alloc_pages_nodemask+0x617/0x750
[  578.850092]  ? __alloc_pages_slowpath+0x2870/0x2870
[  578.855126]  cache_grow_begin+0x91/0x8c0
[  578.859199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.864744]  ? __cpuset_node_allowed+0x136/0x540
[  578.869661]  fallback_alloc+0x1fd/0x2d0
[  578.873659]  ____cache_alloc_node+0x1be/0x1e0
[  578.878163]  kmem_cache_alloc_node+0xe3/0x710
[  578.882762]  ? queue_work_on+0xe2/0x200
[  578.886871]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  578.892168]  ? queue_work_on+0xe2/0x200
[  578.896148]  __alloc_skb+0xd5/0x5f0
[  578.899784]  ? skb_trim+0x190/0x190
[  578.903458]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  578.908765]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  578.914030]  __br_mdb_notify+0x2af/0xe40
[  578.918096]  ? debug_object_assert_init+0x17b/0x2f0
[  578.923134]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[  578.928240]  ? __br_mdb_add+0x7b0/0x7b0
[  578.932220]  ? debug_object_assert_init+0x17b/0x2f0
[  578.937238]  ? debug_object_destroy+0x250/0x250
[  578.941912]  ? mark_held_locks+0x100/0x100
[  578.946155]  br_mdb_notify+0x20d/0x2d0
[  578.950051]  ? br_mdb_dump+0x1fe0/0x1fe0
[  578.954117]  ? del_timer+0xd2/0x120
[  578.957752]  br_multicast_del_pg+0x2bd/0x580
[  578.962158]  br_multicast_port_group_expired+0x189/0x1e0
[  578.967617]  call_timer_fn+0x18d/0x720
[  578.971527]  ? br_multicast_del_pg+0x580/0x580
[  578.976121]  ? process_timeout+0x40/0x40
[  578.980179]  ? run_timer_softirq+0x644/0x16a0
[  578.984697]  ? trace_hardirqs_on+0x67/0x220
[  578.989032]  ? br_multicast_del_pg+0x580/0x580
[  578.993638]  run_timer_softirq+0x64f/0x16a0
[  578.997976]  ? add_timer+0xbe0/0xbe0
[  579.001716]  ? __lock_is_held+0xb6/0x140
[  579.005799]  __do_softirq+0x25c/0x921
[  579.009612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.015418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.020990]  irq_exit+0x180/0x1d0
[  579.024531]  smp_apic_timer_interrupt+0x13b/0x550
[  579.029384]  apic_timer_interrupt+0xf/0x20
[  579.033620]  </IRQ>
[  579.035865] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  579.040800] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  579.059877] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  579.067618] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  579.074890] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  579.082155] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  579.089421] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  579.096778] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  579.104098]  ? finish_task_switch+0x146/0x7c0
[  579.108609]  skb_clone+0x156/0x3e0
[  579.112166]  bpf_clone_redirect+0xb2/0x480
[  579.116406]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  579.121440]  ? mark_held_locks+0x100/0x100
[  579.125688]  ? __schedule+0x86e/0x1dc0
[  579.129597]  ? retint_kernel+0x2d/0x2d
[  579.133493]  ? firmware_map_remove+0x1a7/0x1a7
[  579.138076]  ? bpf_test_run+0x146/0x430
[  579.142226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.147947]  ? check_preemption_disabled+0x48/0x290
[  579.152960]  ? lock_acquire+0x16f/0x3f0
[  579.156944]  ? kasan_check_read+0x11/0x20
[  579.161099]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  579.166288]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  579.171970]  bpf_test_run+0x10d/0x430
[  579.175777]  bpf_prog_test_run_skb+0x64b/0xb20
[  579.180375]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  579.185221]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  579.190079]  bpf_prog_test_run+0x129/0x1a0
[  579.194339]  __x64_sys_bpf+0x397/0x4c0
[  579.198252]  ? bpf_prog_get+0x20/0x20
[  579.202069]  ? do_syscall_64+0x26/0x620
[  579.206046]  ? lockdep_hardirqs_on+0x415/0x5d0
[  579.210636]  ? trace_hardirqs_on+0x67/0x220
[  579.214961]  do_syscall_64+0xfd/0x620
[  579.218777]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  579.223971] RIP: 0033:0x45b349
[  579.227176] Code: Bad RIP value.
[  579.230652] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  579.238360] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  579.245632] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  579.253026] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  579.260387] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  579.267665] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  579.275136] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  579.275154] warn_alloc_show_mem: 1 callbacks suppressed
[  579.275159] Mem-Info:
[  579.282608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  579.288001] active_anon:162126 inactive_anon:206 isolated_anon:0
[  579.288001]  active_file:14 inactive_file:11 isolated_file:0
[  579.288001]  unevictable:0 dirty:0 writeback:0 unstable:0
[  579.288001]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  579.288001]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  579.288001]  free:10931 free_pcp:206 free_cma:0
[  579.290405] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  579.299776] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  579.333165] Call Trace:
[  579.340427] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  579.368091]  <IRQ>
[  579.370718] 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
[  579.396503]  dump_stack+0x197/0x210
[  579.398629] lowmem_reserve[]: 0 2545 2546 2546 2546
[  579.424896]  warn_alloc.cold+0x7b/0x173
[  579.428538] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  579.433569]  ? zone_watermark_ok_safe+0x260/0x260
[  579.437523] lowmem_reserve[]: 0 0 1 1 1
[  579.466340]  ? __cpuset_node_allowed+0x136/0x540
[  579.471185] 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
[  579.475288]  ? __isolate_free_page+0x4c0/0x4c0
[  579.480029] lowmem_reserve[]: 0 0 0 0 0
[  579.505831]  ? wake_all_kswapds+0x14d/0x300
[  579.510412] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  579.514538]  __alloc_pages_slowpath+0x2214/0x2870
[  579.518812] lowmem_reserve[]: 0 0 0 0 0
[  579.546504]  ? warn_alloc+0x110/0x110
[  579.551332] 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
[  579.555329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.559098] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  579.571712]  ? should_fail+0x14d/0x85c
[  579.577227] 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
[  579.590691]  ? __isolate_free_page+0x4c0/0x4c0
[  579.594568] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  579.605256]  __alloc_pages_nodemask+0x617/0x750
[  579.609840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  579.625675]  ? __alloc_pages_slowpath+0x2870/0x2870
[  579.630363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  579.639232]  cache_grow_begin+0x91/0x8c0
[  579.644407] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  579.652993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.657098] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  579.666083]  ? __cpuset_node_allowed+0x136/0x540
[  579.671593] 281 total pagecache pages
[  579.680201]  fallback_alloc+0x1fd/0x2d0
[  579.685553] 0 pages in swap cache
[  579.689395]  ____cache_alloc_node+0x1be/0x1e0
[  579.693360] Swap cache stats: add 0, delete 0, find 0/0
[  579.693370] Free swap  = 0kB
[  579.696841]  kmem_cache_alloc_node+0xe3/0x710
[  579.701323] Total swap = 0kB
[  579.706708]  __alloc_skb+0xd5/0x5f0
[  579.709766] 1965979 pages RAM
[  579.714351]  ? skb_trim+0x190/0x190
[  579.717364] 0 pages HighMem/MovableOnly
[  579.717374] 341724 pages reserved
[  579.721011]  ? check_preemption_disabled+0x48/0x290
[  579.724090] 0 pages cma reserved
[  579.727734]  ? lock_acquire+0x16f/0x3f0
[  579.731848] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  579.735175]  new_skb+0x28/0x1d0
[  579.740189] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  579.743561]  aoecmd_cfg+0x1b5/0x640
[  579.770630]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  579.774957]  ? timer_reduce+0x11d0/0x11d0
[  579.779164]  discover_timer+0x4e/0x60
[  579.783610]  call_timer_fn+0x18d/0x720
[  579.787764]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  579.792482]  ? process_timeout+0x40/0x40
[  579.796575]  ? run_timer_softirq+0x644/0x16a0
[  579.801085]  ? trace_hardirqs_on+0x67/0x220
[  579.805418]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  579.810100]  run_timer_softirq+0x64f/0x16a0
[  579.814437]  ? add_timer+0xbe0/0xbe0
[  579.818175]  ? __lock_is_held+0xb6/0x140
[  579.822372]  __do_softirq+0x25c/0x921
[  579.826186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.831720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.837286]  irq_exit+0x180/0x1d0
[  579.840747]  smp_apic_timer_interrupt+0x13b/0x550
[  579.845608]  apic_timer_interrupt+0xf/0x20
[  579.849847]  </IRQ>
[  579.852102] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  579.857029] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  579.876035] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  579.883918] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  579.891190] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  579.898641] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  579.905917] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  579.914330] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  579.921661]  ? mark_held_locks+0xb1/0x100
[  579.925825]  ? __netdev_alloc_skb+0x370/0x470
[  579.934946]  __build_skb+0x3e/0x310
[  579.938591]  __netdev_alloc_skb+0x2ba/0x470
[  579.943003]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  579.947852]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  579.953248]  ? find_held_lock+0x35/0x130
[  579.957415]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  579.961830]  ? check_preemption_disabled+0x48/0x290
[  579.966845]  ? prandom_u32_state+0x13/0x180
[  579.971259]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  579.977438]  ? kmem_cache_alloc+0x32a/0x700
[  579.981962]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  579.987053]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  579.993413]  process_one_work+0x989/0x1750
[  579.997676]  ? pwq_dec_nr_in_flight+0x320/0x320
[  580.002349]  ? lock_acquire+0x16f/0x3f0
[  580.006536]  ? kasan_check_write+0x14/0x20
[  580.010784]  ? do_raw_spin_lock+0xd7/0x250
[  580.015019]  worker_thread+0x98/0xe40
[  580.019031]  kthread+0x354/0x420
[  580.023180]  ? process_one_work+0x1750/0x1750
[  580.027682]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  580.033228]  ret_from_fork+0x24/0x30
[  580.036953] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  580.037014] aoe: skb alloc failure
[  580.044748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  580.044753] Call Trace:
[  580.044759]  <IRQ>
[  580.044776]  dump_stack+0x197/0x210
[  580.044797]  warn_alloc.cold+0x7b/0x173
[  580.048351] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  580.057694]  ? zone_watermark_ok_safe+0x260/0x260
[  580.060277] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  580.062442]  ? __cpuset_node_allowed+0x136/0x540
[  580.095308]  ? __isolate_free_page+0x4c0/0x4c0
[  580.099899]  ? wake_all_kswapds+0x14d/0x300
[  580.104270]  __alloc_pages_slowpath+0x2214/0x2870
[  580.109151]  ? warn_alloc+0x110/0x110
[  580.112972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.118644]  ? should_fail+0x14d/0x85c
[  580.122555]  ? __isolate_free_page+0x4c0/0x4c0
[  580.127260]  __alloc_pages_nodemask+0x617/0x750
[  580.132034]  ? __alloc_pages_slowpath+0x2870/0x2870
[  580.137071]  cache_grow_begin+0x91/0x8c0
[  580.141261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.146804]  ? __cpuset_node_allowed+0x136/0x540
[  580.151556]  fallback_alloc+0x1fd/0x2d0
[  580.155651]  ____cache_alloc_node+0x1be/0x1e0
[  580.160164]  kmem_cache_alloc_node+0xe3/0x710
[  580.164664]  ? queue_work_on+0xe2/0x200
[  580.168647]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  580.174650]  ? queue_work_on+0xe2/0x200
[  580.178648]  __alloc_skb+0xd5/0x5f0
[  580.182299]  ? skb_trim+0x190/0x190
[  580.185938]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  580.191163]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  580.196371]  __br_mdb_notify+0x2af/0xe40
[  580.200430]  ? debug_object_assert_init+0x17b/0x2f0
[  580.205441]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[  580.210562]  ? __br_mdb_add+0x7b0/0x7b0
[  580.214557]  ? debug_object_assert_init+0x17b/0x2f0
[  580.219575]  ? debug_object_destroy+0x250/0x250
[  580.224260]  ? mark_held_locks+0x100/0x100
[  580.228496]  br_mdb_notify+0x20d/0x2d0
[  580.232383]  ? br_mdb_dump+0x1fe0/0x1fe0
[  580.236449]  ? del_timer+0xd2/0x120
[  580.240181]  br_multicast_del_pg+0x2bd/0x580
[  580.244653]  br_multicast_port_group_expired+0x189/0x1e0
[  580.250130]  call_timer_fn+0x18d/0x720
[  580.254028]  ? br_multicast_del_pg+0x580/0x580
[  580.258607]  ? process_timeout+0x40/0x40
[  580.262658]  ? run_timer_softirq+0x644/0x16a0
[  580.267257]  ? trace_hardirqs_on+0x67/0x220
[  580.271604]  ? br_multicast_del_pg+0x580/0x580
[  580.276195]  run_timer_softirq+0x64f/0x16a0
[  580.280520]  ? add_timer+0xbe0/0xbe0
[  580.284252]  ? __lock_is_held+0xb6/0x140
[  580.288340]  __do_softirq+0x25c/0x921
[  580.292249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.297801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.303349]  irq_exit+0x180/0x1d0
[  580.306957]  smp_apic_timer_interrupt+0x13b/0x550
[  580.311826]  apic_timer_interrupt+0xf/0x20
[  580.316059]  </IRQ>
[  580.318340] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  580.323270] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  580.342389] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  580.350106] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  580.357375] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  580.365079] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  580.372350] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  580.379617] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  580.386928]  ? finish_task_switch+0x146/0x7c0
[  580.391426]  skb_clone+0x156/0x3e0
[  580.394998]  bpf_clone_redirect+0xb2/0x480
[  580.399245]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  580.404308]  ? mark_held_locks+0x100/0x100
[  580.408545]  ? __schedule+0x86e/0x1dc0
[  580.412442]  ? retint_kernel+0x2d/0x2d
[  580.416346]  ? firmware_map_remove+0x1a7/0x1a7
[  580.420960]  ? bpf_test_run+0x146/0x430
[  580.425057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.430603]  ? check_preemption_disabled+0x48/0x290
[  580.435620]  ? lock_acquire+0x16f/0x3f0
[  580.439597]  ? kasan_check_read+0x11/0x20
[  580.443763]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  580.448982]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  580.454538]  bpf_test_run+0x10d/0x430
[  580.458358]  bpf_prog_test_run_skb+0x64b/0xb20
[  580.463017]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  580.467894]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  580.472748]  bpf_prog_test_run+0x129/0x1a0
[  580.476982]  __x64_sys_bpf+0x397/0x4c0
[  580.480968]  ? bpf_prog_get+0x20/0x20
[  580.484799]  ? do_syscall_64+0x26/0x620
[  580.488783]  ? lockdep_hardirqs_on+0x415/0x5d0
[  580.493493]  ? trace_hardirqs_on+0x67/0x220
[  580.497830]  do_syscall_64+0xfd/0x620
[  580.501746]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  580.506935] RIP: 0033:0x45b349
[  580.510154] Code: Bad RIP value.
[  580.513632] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  580.521349] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  580.528649] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  580.535952] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  580.543656] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  580.550937] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  580.558227] warn_alloc_show_mem: 1 callbacks suppressed
[  580.558237] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  580.558240] Mem-Info:
[  580.558269] active_anon:162126 inactive_anon:206 isolated_anon:0
[  580.558269]  active_file:14 inactive_file:11 isolated_file:0
[  580.558269]  unevictable:0 dirty:0 writeback:0 unstable:0
[  580.558269]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  580.558269]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  580.558269]  free:10931 free_pcp:206 free_cma:0
[  580.564399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  580.571954] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  580.571981] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  580.574419] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  580.608414] 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
[  580.617911] Call Trace:
[  580.617923]  <IRQ>
[  580.645511] lowmem_reserve[]: 0 2545 2546 2546 2546
[  580.671319]  dump_stack+0x197/0x210
[  580.678517] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  580.704738]  warn_alloc.cold+0x7b/0x173
[  580.707309] lowmem_reserve[]: 0 0 1 1 1
[  580.709485]  ? zone_watermark_ok_safe+0x260/0x260
[  580.714508] 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
[  580.718162]  ? __cpuset_node_allowed+0x136/0x540
[  580.750274] lowmem_reserve[]: 0 0 0 0 0
[  580.754297]  ? __isolate_free_page+0x4c0/0x4c0
[  580.758250] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  580.763214]  ? wake_all_kswapds+0x14d/0x300
[  580.789072] lowmem_reserve[]: 0 0 0 0 0
[  580.793870]  __alloc_pages_slowpath+0x2214/0x2870
[  580.797828] 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
[  580.802565]  ? warn_alloc+0x110/0x110
[  580.830397] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  580.834744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.838697] 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
[  580.843553]  ? should_fail+0x14d/0x85c
[  580.856105] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  580.860028]  ? __isolate_free_page+0x4c0/0x4c0
[  580.873385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  580.879044]  __alloc_pages_nodemask+0x617/0x750
[  580.889686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  580.889701] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  580.893746]  ? __alloc_pages_slowpath+0x2870/0x2870
[  580.909433] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  580.909444] 281 total pagecache pages
[  580.914063]  cache_grow_begin+0x91/0x8c0
[  580.922972] 0 pages in swap cache
[  580.927663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.936226] Swap cache stats: add 0, delete 0, find 0/0
[  580.936236] Free swap  = 0kB
[  580.945086]  ? __cpuset_node_allowed+0x136/0x540
[  580.950072] Total swap = 0kB
[  580.950082] 1965979 pages RAM
[  580.958688]  fallback_alloc+0x1fd/0x2d0
[  580.962467] 0 pages HighMem/MovableOnly
[  580.966536]  ____cache_alloc_node+0x1be/0x1e0
[  580.969964] 341724 pages reserved
[  580.975596]  kmem_cache_alloc_node+0xe3/0x710
[  580.981823] 0 pages cma reserved
[  580.982004] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  580.985042]  __alloc_skb+0xd5/0x5f0
[  580.985071]  ? skb_trim+0x190/0x190
[  580.989966] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  580.993155]  ? check_preemption_disabled+0x48/0x290
[  580.993173]  ? lock_acquire+0x16f/0x3f0
[  581.053301]  new_skb+0x28/0x1d0
[  581.056592]  aoecmd_cfg+0x1b5/0x640
[  581.060358]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  581.065007]  ? timer_reduce+0x11d0/0x11d0
[  581.069256]  discover_timer+0x4e/0x60
[  581.073065]  call_timer_fn+0x18d/0x720
[  581.076961]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  581.081626]  ? process_timeout+0x40/0x40
[  581.085680]  ? run_timer_softirq+0x644/0x16a0
[  581.090206]  ? trace_hardirqs_on+0x67/0x220
[  581.094542]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  581.099221]  run_timer_softirq+0x64f/0x16a0
[  581.103551]  ? add_timer+0xbe0/0xbe0
[  581.107447]  ? __lock_is_held+0xb6/0x140
[  581.111785]  __do_softirq+0x25c/0x921
[  581.115710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.121262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.126822]  irq_exit+0x180/0x1d0
[  581.130280]  smp_apic_timer_interrupt+0x13b/0x550
[  581.135137]  apic_timer_interrupt+0xf/0x20
[  581.141470]  </IRQ>
[  581.143827] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  581.148789] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  581.167695] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  581.175432] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  581.182973] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  581.190247] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  581.197520] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  581.204784] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  581.212176]  ? mark_held_locks+0xb1/0x100
[  581.216358]  ? __netdev_alloc_skb+0x370/0x470
[  581.220855]  __build_skb+0x3e/0x310
[  581.224549]  __netdev_alloc_skb+0x2ba/0x470
[  581.228875]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  581.233732]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  581.239106]  ? find_held_lock+0x35/0x130
[  581.243188]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  581.247761]  ? check_preemption_disabled+0x48/0x290
[  581.252773]  ? prandom_u32_state+0x13/0x180
[  581.257110]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  581.262313]  ? kmem_cache_alloc+0x32a/0x700
[  581.266644]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  581.271593]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  581.277918]  process_one_work+0x989/0x1750
[  581.282161]  ? pwq_dec_nr_in_flight+0x320/0x320
[  581.286847]  ? lock_acquire+0x16f/0x3f0
[  581.290831]  ? kasan_check_write+0x14/0x20
[  581.295092]  ? do_raw_spin_lock+0xd7/0x250
[  581.299349]  worker_thread+0x98/0xe40
[  581.303195]  kthread+0x354/0x420
[  581.306568]  ? process_one_work+0x1750/0x1750
[  581.311063]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  581.316598]  ret_from_fork+0x24/0x30
[  581.320345] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  581.320408] aoe: skb alloc failure
[  581.328142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  581.328147] Call Trace:
[  581.328153]  <IRQ>
[  581.328171]  dump_stack+0x197/0x210
[  581.328193]  warn_alloc.cold+0x7b/0x173
[  581.331754] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  581.341100]  ? zone_watermark_ok_safe+0x260/0x260
[  581.343662] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  581.345822]  ? __cpuset_node_allowed+0x136/0x540
[  581.378773]  ? __isolate_free_page+0x4c0/0x4c0
[  581.383381]  ? wake_all_kswapds+0x14d/0x300
[  581.387794]  __alloc_pages_slowpath+0x2214/0x2870
[  581.392656]  ? warn_alloc+0x110/0x110
[  581.396452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.402102]  ? should_fail+0x14d/0x85c
[  581.406187]  ? __isolate_free_page+0x4c0/0x4c0
[  581.410799]  __alloc_pages_nodemask+0x617/0x750
[  581.415480]  ? __alloc_pages_slowpath+0x2870/0x2870
[  581.420617]  cache_grow_begin+0x91/0x8c0
[  581.424678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.430224]  ? __cpuset_node_allowed+0x136/0x540
[  581.434980]  fallback_alloc+0x1fd/0x2d0
[  581.438985]  ____cache_alloc_node+0x1be/0x1e0
[  581.443511]  kmem_cache_alloc_node+0xe3/0x710
[  581.448002]  ? queue_work_on+0xe2/0x200
[  581.451977]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  581.457187]  ? queue_work_on+0xe2/0x200
[  581.461262]  __alloc_skb+0xd5/0x5f0
[  581.465035]  ? skb_trim+0x190/0x190
[  581.469296]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  581.474501]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  581.480742]  __br_mdb_notify+0x2af/0xe40
[  581.484820]  ? __br_mdb_add+0x7b0/0x7b0
[  581.488827]  ? debug_object_deactivate+0x1e4/0x360
[  581.493753]  br_mdb_notify+0x20d/0x2d0
[  581.497658]  ? br_mdb_dump+0x1fe0/0x1fe0
[  581.501827]  ? lock_acquire+0x16f/0x3f0
[  581.505893]  ? kasan_check_write+0x14/0x20
[  581.510503]  ? do_raw_spin_lock+0xd7/0x250
[  581.514950]  br_multicast_group_expired+0x141/0x410
[  581.520348]  call_timer_fn+0x18d/0x720
[  581.524942]  ? br_mdb_free+0x80/0x80
[  581.528677]  ? process_timeout+0x40/0x40
[  581.532766]  ? run_timer_softirq+0x644/0x16a0
[  581.537273]  ? trace_hardirqs_on+0x67/0x220
[  581.541601]  ? br_mdb_free+0x80/0x80
[  581.545318]  run_timer_softirq+0x64f/0x16a0
[  581.549732]  ? add_timer+0xbe0/0xbe0
[  581.553458]  ? __lock_is_held+0xb6/0x140
[  581.557541]  __do_softirq+0x25c/0x921
[  581.561339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.566882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.572472]  irq_exit+0x180/0x1d0
[  581.575967]  smp_apic_timer_interrupt+0x13b/0x550
[  581.580824]  apic_timer_interrupt+0xf/0x20
[  581.585061]  </IRQ>
[  581.587334] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  581.592261] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  581.611541] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  581.619260] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  581.626531] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  581.633815] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  581.641700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  581.648964] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  581.656287]  ? finish_task_switch+0x146/0x7c0
[  581.660838]  skb_clone+0x156/0x3e0
[  581.664381]  bpf_clone_redirect+0xb2/0x480
[  581.668633]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  581.673758]  ? mark_held_locks+0x100/0x100
[  581.678152]  ? __schedule+0x86e/0x1dc0
[  581.682049]  ? retint_kernel+0x2d/0x2d
[  581.685971]  ? firmware_map_remove+0x1a7/0x1a7
[  581.690807]  ? bpf_test_run+0x146/0x430
[  581.694784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.700377]  ? check_preemption_disabled+0x48/0x290
[  581.705409]  ? lock_acquire+0x16f/0x3f0
[  581.709398]  ? kasan_check_read+0x11/0x20
[  581.713573]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  581.718774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  581.724332]  bpf_test_run+0x10d/0x430
[  581.728144]  bpf_prog_test_run_skb+0x64b/0xb20
[  581.732838]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  581.737686]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  581.742538]  bpf_prog_test_run+0x129/0x1a0
[  581.746786]  __x64_sys_bpf+0x397/0x4c0
[  581.750675]  ? bpf_prog_get+0x20/0x20
[  581.754487]  ? do_syscall_64+0x26/0x620
[  581.758457]  ? lockdep_hardirqs_on+0x415/0x5d0
[  581.763030]  ? trace_hardirqs_on+0x67/0x220
[  581.767360]  do_syscall_64+0xfd/0x620
[  581.771171]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  581.776348] RIP: 0033:0x45b349
[  581.779653] Code: Bad RIP value.
[  581.783069] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  581.790861] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  581.798122] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  581.805514] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  581.812866] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  581.820134] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  581.827430] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  581.827444] warn_alloc_show_mem: 1 callbacks suppressed
[  581.827449] Mem-Info:
[  581.834886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  581.840260] active_anon:162126 inactive_anon:206 isolated_anon:0
[  581.840260]  active_file:14 inactive_file:11 isolated_file:0
[  581.840260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  581.840260]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  581.840260]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  581.840260]  free:10931 free_pcp:206 free_cma:0
[  581.842682] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  581.852066] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  581.885111] Call Trace:
[  581.892228] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  581.919813]  <IRQ>
[  581.922384] 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
[  581.948329]  dump_stack+0x197/0x210
[  581.950449] lowmem_reserve[]: 0 2545 2546 2546 2546
[  581.977097]  warn_alloc.cold+0x7b/0x173
[  581.980717] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  581.985728]  ? zone_watermark_ok_safe+0x260/0x260
[  581.989687] lowmem_reserve[]: 0 0 1 1 1
[  582.018481]  ? __cpuset_node_allowed+0x136/0x540
[  582.023312] 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
[  582.027287]  ? __isolate_free_page+0x4c0/0x4c0
[  582.032019] lowmem_reserve[]: 0 0 0 0 0
[  582.058677]  ? wake_all_kswapds+0x14d/0x300
[  582.063249] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  582.067244]  __alloc_pages_slowpath+0x2214/0x2870
[  582.071540] lowmem_reserve[]: 0 0 0 0 0
[  582.099269]  ? warn_alloc+0x110/0x110
[  582.104101] 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
[  582.108083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.111853] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  582.124355]  ? should_fail+0x14d/0x85c
[  582.129868] 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
[  582.143247]  ? __isolate_free_page+0x4c0/0x4c0
[  582.147112] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  582.157776]  __alloc_pages_nodemask+0x617/0x750
[  582.162435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  582.178553]  ? __alloc_pages_slowpath+0x2870/0x2870
[  582.183195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  582.192123]  cache_grow_begin+0x91/0x8c0
[  582.197105] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  582.205665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.209705] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  582.218525]  ? __cpuset_node_allowed+0x136/0x540
[  582.224124] 281 total pagecache pages
[  582.232687]  fallback_alloc+0x1fd/0x2d0
[  582.237424] 0 pages in swap cache
[  582.241227]  ____cache_alloc_node+0x1be/0x1e0
[  582.245178] Swap cache stats: add 0, delete 0, find 0/0
[  582.248626]  kmem_cache_alloc_node+0xe3/0x710
[  582.253090] Free swap  = 0kB
[  582.253097] Total swap = 0kB
[  582.258459]  __alloc_skb+0xd5/0x5f0
[  582.262941] 1965979 pages RAM
[  582.265928]  ? skb_trim+0x190/0x190
[  582.268928] 0 pages HighMem/MovableOnly
[  582.268936] 341724 pages reserved
[  582.272555]  ? check_preemption_disabled+0x48/0x290
[  582.275637] 0 pages cma reserved
[  582.275790] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  582.279263]  ? lock_acquire+0x16f/0x3f0
[  582.283211] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  582.286794]  new_skb+0x28/0x1d0
[  582.318497]  aoecmd_cfg+0x1b5/0x640
[  582.322123]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  582.326443]  ? timer_reduce+0x11d0/0x11d0
[  582.330591]  discover_timer+0x4e/0x60
[  582.334392]  call_timer_fn+0x18d/0x720
[  582.338273]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  582.342934]  ? process_timeout+0x40/0x40
[  582.346987]  ? run_timer_softirq+0x644/0x16a0
[  582.351479]  ? trace_hardirqs_on+0x67/0x220
[  582.355798]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  582.360461]  run_timer_softirq+0x64f/0x16a0
[  582.364780]  ? add_timer+0xbe0/0xbe0
[  582.368489]  ? __lock_is_held+0xb6/0x140
[  582.372556]  __do_softirq+0x25c/0x921
[  582.376358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.381884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.387426]  irq_exit+0x180/0x1d0
[  582.390871]  smp_apic_timer_interrupt+0x13b/0x550
[  582.395715]  apic_timer_interrupt+0xf/0x20
[  582.399950]  </IRQ>
[  582.402185] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  582.407115] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  582.426017] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  582.433718] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  582.440981] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  582.448257] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  582.455520] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  582.462782] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  582.470158]  ? mark_held_locks+0xb1/0x100
[  582.474304]  ? __netdev_alloc_skb+0x370/0x470
[  582.478792]  __build_skb+0x3e/0x310
[  582.482416]  __netdev_alloc_skb+0x2ba/0x470
[  582.486746]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  582.491580]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  582.496934]  ? find_held_lock+0x35/0x130
[  582.501006]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  582.505408]  ? check_preemption_disabled+0x48/0x290
[  582.510425]  ? prandom_u32_state+0x13/0x180
[  582.514744]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  582.519942]  ? kmem_cache_alloc+0x32a/0x700
[  582.524260]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  582.529188]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  582.535507]  process_one_work+0x989/0x1750
[  582.539740]  ? pwq_dec_nr_in_flight+0x320/0x320
[  582.544394]  ? lock_acquire+0x16f/0x3f0
[  582.548361]  ? kasan_check_write+0x14/0x20
[  582.552584]  ? do_raw_spin_lock+0xd7/0x250
[  582.556814]  worker_thread+0x98/0xe40
[  582.560616]  kthread+0x354/0x420
[  582.563985]  ? process_one_work+0x1750/0x1750
[  582.568472]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  582.574446]  ret_from_fork+0x24/0x30
[  582.578169] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  582.578237] aoe: skb alloc failure
[  582.585965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  582.585970] Call Trace:
[  582.585977]  <IRQ>
[  582.585993]  dump_stack+0x197/0x210
[  582.586014]  warn_alloc.cold+0x7b/0x173
[  582.589552] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  582.598878]  ? zone_watermark_ok_safe+0x260/0x260
[  582.601436] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  582.603578]  ? __cpuset_node_allowed+0x136/0x540
[  582.636003]  ? __isolate_free_page+0x4c0/0x4c0
[  582.640577]  ? wake_all_kswapds+0x14d/0x300
[  582.644894]  __alloc_pages_slowpath+0x2214/0x2870
[  582.649744]  ? warn_alloc+0x110/0x110
[  582.653538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.659065]  ? should_fail+0x14d/0x85c
[  582.662944]  ? __isolate_free_page+0x4c0/0x4c0
[  582.667526]  __alloc_pages_nodemask+0x617/0x750
[  582.672190]  ? __alloc_pages_slowpath+0x2870/0x2870
[  582.677211]  cache_grow_begin+0x91/0x8c0
[  582.681264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.686792]  ? __cpuset_node_allowed+0x136/0x540
[  582.691551]  fallback_alloc+0x1fd/0x2d0
[  582.695520]  ____cache_alloc_node+0x1be/0x1e0
[  582.700068]  kmem_cache_alloc_node+0xe3/0x710
[  582.704573]  ? queue_work_on+0xe2/0x200
[  582.708663]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  582.713846]  ? queue_work_on+0xe2/0x200
[  582.717824]  __alloc_skb+0xd5/0x5f0
[  582.721462]  ? skb_trim+0x190/0x190
[  582.725085]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  582.730274]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  582.735462]  __br_mdb_notify+0x2af/0xe40
[  582.739524]  ? __br_mdb_add+0x7b0/0x7b0
[  582.743503]  ? br_multicast_group_expired+0xe4/0x410
[  582.748602]  ? debug_object_deactivate+0x1e4/0x360
[  582.753531]  br_mdb_notify+0x20d/0x2d0
[  582.757422]  ? br_mdb_dump+0x1fe0/0x1fe0
[  582.761477]  ? lock_acquire+0x16f/0x3f0
[  582.765446]  ? kasan_check_write+0x14/0x20
[  582.769667]  ? do_raw_spin_lock+0xd7/0x250
[  582.773908]  br_multicast_group_expired+0x141/0x410
[  582.778919]  call_timer_fn+0x18d/0x720
[  582.782796]  ? br_mdb_free+0x80/0x80
[  582.786501]  ? process_timeout+0x40/0x40
[  582.790549]  ? run_timer_softirq+0x644/0x16a0
[  582.795036]  ? trace_hardirqs_on+0x67/0x220
[  582.799350]  ? br_mdb_free+0x80/0x80
[  582.803052]  run_timer_softirq+0x64f/0x16a0
[  582.807421]  ? add_timer+0xbe0/0xbe0
[  582.811148]  ? __lock_is_held+0xb6/0x140
[  582.815225]  __do_softirq+0x25c/0x921
[  582.819032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.824572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.830109]  irq_exit+0x180/0x1d0
[  582.833580]  smp_apic_timer_interrupt+0x13b/0x550
[  582.839111]  apic_timer_interrupt+0xf/0x20
[  582.843360]  </IRQ>
[  582.845610] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  582.850546] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  582.869465] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  582.877175] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  582.884553] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  582.891826] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  582.899089] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  582.906349] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  582.913651]  ? finish_task_switch+0x146/0x7c0
[  582.918169]  skb_clone+0x156/0x3e0
[  582.921751]  bpf_clone_redirect+0xb2/0x480
[  582.926009]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  582.931137]  ? mark_held_locks+0x100/0x100
[  582.935373]  ? __schedule+0x86e/0x1dc0
[  582.939253]  ? retint_kernel+0x2d/0x2d
[  582.943136]  ? firmware_map_remove+0x1a7/0x1a7
[  582.947715]  ? bpf_test_run+0x146/0x430
[  582.951687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.957227]  ? check_preemption_disabled+0x48/0x290
[  582.962231]  ? lock_acquire+0x16f/0x3f0
[  582.966209]  ? kasan_check_read+0x11/0x20
[  582.970351]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  582.975531]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  582.981061]  bpf_test_run+0x10d/0x430
[  582.984867]  bpf_prog_test_run_skb+0x64b/0xb20
[  582.989446]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  582.994283]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  582.999118]  bpf_prog_test_run+0x129/0x1a0
[  583.003347]  __x64_sys_bpf+0x397/0x4c0
[  583.007224]  ? bpf_prog_get+0x20/0x20
[  583.011025]  ? do_syscall_64+0x26/0x620
[  583.014990]  ? lockdep_hardirqs_on+0x415/0x5d0
[  583.019562]  ? trace_hardirqs_on+0x67/0x220
[  583.023898]  do_syscall_64+0xfd/0x620
[  583.027720]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  583.032904] RIP: 0033:0x45b349
[  583.036101] Code: Bad RIP value.
[  583.039465] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  583.047168] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  583.054431] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  583.061700] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  583.068969] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  583.076316] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  583.083599] warn_alloc_show_mem: 1 callbacks suppressed
[  583.083610] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  583.083612] Mem-Info:
[  583.083642] active_anon:162126 inactive_anon:206 isolated_anon:0
[  583.083642]  active_file:14 inactive_file:11 isolated_file:0
[  583.083642]  unevictable:0 dirty:0 writeback:0 unstable:0
[  583.083642]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  583.083642]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  583.083642]  free:10931 free_pcp:206 free_cma:0
[  583.088979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  583.089004] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  583.096538] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  583.098937] Call Trace:
[  583.131989] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  583.141311]  <IRQ>
[  583.148387] 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
[  583.176091]  dump_stack+0x197/0x210
[  583.178651] lowmem_reserve[]: 0 2545 2546 2546 2546
[  583.204354]  warn_alloc.cold+0x7b/0x173
[  583.206474] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  583.232701]  ? zone_watermark_ok_safe+0x260/0x260
[  583.236314] lowmem_reserve[]: 0 0 1 1 1
[  583.241353]  ? __cpuset_node_allowed+0x136/0x540
[  583.245304] 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
[  583.274116]  ? __isolate_free_page+0x4c0/0x4c0
[  583.278931] lowmem_reserve[]: 0 0 0 0 0
[  583.282909]  ? wake_all_kswapds+0x14d/0x300
[  583.287648] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  583.313426]  __alloc_pages_slowpath+0x2214/0x2870
[  583.317979] lowmem_reserve[]: 0 0 0 0 0
[  583.321988]  ? warn_alloc+0x110/0x110
[  583.326271] 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
[  583.353927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.358779] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  583.362765]  ? should_fail+0x14d/0x85c
[  583.366543] 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
[  583.379036]  ? __isolate_free_page+0x4c0/0x4c0
[  583.384553] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  583.397926]  __alloc_pages_nodemask+0x617/0x750
[  583.401800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  583.412567]  ? __alloc_pages_slowpath+0x2870/0x2870
[  583.417142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  583.417156] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  583.432779]  cache_grow_begin+0x91/0x8c0
[  583.437423] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  583.446258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.451254] 281 total pagecache pages
[  583.459831]  ? __cpuset_node_allowed+0x136/0x540
[  583.468663] 0 pages in swap cache
[  583.472730]  fallback_alloc+0x1fd/0x2d0
[  583.481379] Swap cache stats: add 0, delete 0, find 0/0
[  583.481388] Free swap  = 0kB
[  583.486942]  ____cache_alloc_node+0x1be/0x1e0
[  583.490709] Total swap = 0kB
[  583.490719] 1965979 pages RAM
[  583.495471]  kmem_cache_alloc_node+0xe3/0x710
[  583.498917] 0 pages HighMem/MovableOnly
[  583.498927] 341724 pages reserved
[  583.502909]  __alloc_skb+0xd5/0x5f0
[  583.508235] 0 pages cma reserved
[  583.508383] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  583.511271]  ? skb_trim+0x190/0x190
[  583.515874] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  583.518890]  ? check_preemption_disabled+0x48/0x290
[  583.565397]  ? lock_acquire+0x16f/0x3f0
[  583.569396]  new_skb+0x28/0x1d0
[  583.572671]  aoecmd_cfg+0x1b5/0x640
[  583.576306]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  583.580627]  ? timer_reduce+0x11d0/0x11d0
[  583.584787]  discover_timer+0x4e/0x60
[  583.588591]  call_timer_fn+0x18d/0x720
[  583.592478]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  583.597144]  ? process_timeout+0x40/0x40
[  583.601197]  ? run_timer_softirq+0x644/0x16a0
[  583.605701]  ? trace_hardirqs_on+0x67/0x220
[  583.610019]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  583.614687]  run_timer_softirq+0x64f/0x16a0
[  583.619120]  ? add_timer+0xbe0/0xbe0
[  583.622829]  ? __lock_is_held+0xb6/0x140
[  583.626905]  __do_softirq+0x25c/0x921
[  583.630703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.636240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.641808]  irq_exit+0x180/0x1d0
[  583.645261]  smp_apic_timer_interrupt+0x13b/0x550
[  583.650124]  apic_timer_interrupt+0xf/0x20
[  583.654354]  </IRQ>
[  583.656595] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  583.661533] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  583.680445] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  583.688172] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  583.695436] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  583.702712] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  583.709989] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  583.717265] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  583.724577]  ? mark_held_locks+0xb1/0x100
[  583.728750]  ? __netdev_alloc_skb+0x370/0x470
[  583.733259]  __build_skb+0x3e/0x310
[  583.736885]  __netdev_alloc_skb+0x2ba/0x470
[  583.741217]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  583.746060]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  583.751437]  ? find_held_lock+0x35/0x130
[  583.755501]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  583.759913]  ? check_preemption_disabled+0x48/0x290
[  583.764960]  ? prandom_u32_state+0x13/0x180
[  583.769291]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  583.774492]  ? kmem_cache_alloc+0x32a/0x700
[  583.778809]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  583.784270]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  583.790609]  process_one_work+0x989/0x1750
[  583.794846]  ? pwq_dec_nr_in_flight+0x320/0x320
[  583.799502]  ? lock_acquire+0x16f/0x3f0
[  583.803485]  ? kasan_check_write+0x14/0x20
[  583.807721]  ? do_raw_spin_lock+0xd7/0x250
[  583.811965]  worker_thread+0x98/0xe40
[  583.815773]  kthread+0x354/0x420
[  583.819146]  ? process_one_work+0x1750/0x1750
[  583.823643]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  583.829190]  ret_from_fork+0x24/0x30
[  583.832913] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  583.832970] aoe: skb alloc failure
[  583.840800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  583.840805] Call Trace:
[  583.840812]  <IRQ>
[  583.840831]  dump_stack+0x197/0x210
[  583.840850]  warn_alloc.cold+0x7b/0x173
[  583.840871]  ? zone_watermark_ok_safe+0x260/0x260
[  583.844448] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  583.853751]  ? __cpuset_node_allowed+0x136/0x540
[  583.856321] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  583.858587]  ? __isolate_free_page+0x4c0/0x4c0
[  583.895684]  ? wake_all_kswapds+0x14d/0x300
[  583.900006]  __alloc_pages_slowpath+0x2214/0x2870
[  583.905004]  ? warn_alloc+0x110/0x110
[  583.908818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.914371]  ? should_fail+0x14d/0x85c
[  583.918265]  ? __isolate_free_page+0x4c0/0x4c0
[  583.922850]  __alloc_pages_nodemask+0x617/0x750
[  583.927612]  ? __alloc_pages_slowpath+0x2870/0x2870
[  583.932739]  cache_grow_begin+0x91/0x8c0
[  583.936805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.942333]  ? __cpuset_node_allowed+0x136/0x540
[  583.947100]  fallback_alloc+0x1fd/0x2d0
[  583.951085]  ____cache_alloc_node+0x1be/0x1e0
[  583.955699]  kmem_cache_alloc_node+0xe3/0x710
[  583.960198]  ? queue_work_on+0xe2/0x200
[  583.964167]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  583.969358]  ? queue_work_on+0xe2/0x200
[  583.973345]  __alloc_skb+0xd5/0x5f0
[  583.976978]  ? skb_trim+0x190/0x190
[  583.980637]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  583.985849]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  583.991040]  __br_mdb_notify+0x2af/0xe40
[  583.995308]  ? debug_object_assert_init+0x17b/0x2f0
[  584.000327]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[  584.005438]  ? __br_mdb_add+0x7b0/0x7b0
[  584.009410]  ? debug_object_assert_init+0x17b/0x2f0
[  584.014419]  ? debug_object_destroy+0x250/0x250
[  584.019213]  ? mark_held_locks+0x100/0x100
[  584.023457]  br_mdb_notify+0x20d/0x2d0
[  584.027337]  ? br_mdb_dump+0x1fe0/0x1fe0
[  584.031389]  ? del_timer+0xd2/0x120
[  584.035018]  br_multicast_del_pg+0x2bd/0x580
[  584.039435]  br_multicast_port_group_expired+0x189/0x1e0
[  584.044899]  call_timer_fn+0x18d/0x720
[  584.048787]  ? br_multicast_del_pg+0x580/0x580
[  584.053373]  ? process_timeout+0x40/0x40
[  584.057428]  ? run_timer_softirq+0x644/0x16a0
[  584.062030]  ? trace_hardirqs_on+0x67/0x220
[  584.066357]  ? br_multicast_del_pg+0x580/0x580
[  584.070938]  run_timer_softirq+0x64f/0x16a0
[  584.075259]  ? add_timer+0xbe0/0xbe0
[  584.078968]  ? __lock_is_held+0xb6/0x140
[  584.083040]  __do_softirq+0x25c/0x921
[  584.086833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.092365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.097928]  irq_exit+0x180/0x1d0
[  584.101493]  smp_apic_timer_interrupt+0x13b/0x550
[  584.106362]  apic_timer_interrupt+0xf/0x20
[  584.110592]  </IRQ>
[  584.112837] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  584.117766] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  584.136667] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  584.144378] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  584.151657] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  584.158944] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  584.166214] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  584.173484] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  584.180786]  ? finish_task_switch+0x146/0x7c0
[  584.185286]  skb_clone+0x156/0x3e0
[  584.188840]  bpf_clone_redirect+0xb2/0x480
[  584.193074]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  584.198123]  ? mark_held_locks+0x100/0x100
[  584.202353]  ? __schedule+0x86e/0x1dc0
[  584.206231]  ? retint_kernel+0x2d/0x2d
[  584.210137]  ? firmware_map_remove+0x1a7/0x1a7
[  584.214716]  ? bpf_test_run+0x146/0x430
[  584.218703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.224243]  ? check_preemption_disabled+0x48/0x290
[  584.229258]  ? lock_acquire+0x16f/0x3f0
[  584.233259]  ? kasan_check_read+0x11/0x20
[  584.237416]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  584.242616]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  584.248159]  bpf_test_run+0x10d/0x430
[  584.251974]  bpf_prog_test_run_skb+0x64b/0xb20
[  584.256578]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  584.261429]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  584.266267]  bpf_prog_test_run+0x129/0x1a0
[  584.270515]  __x64_sys_bpf+0x397/0x4c0
[  584.274409]  ? bpf_prog_get+0x20/0x20
[  584.278210]  ? do_syscall_64+0x26/0x620
[  584.282192]  ? lockdep_hardirqs_on+0x415/0x5d0
[  584.286777]  ? trace_hardirqs_on+0x67/0x220
[  584.291102]  do_syscall_64+0xfd/0x620
[  584.294897]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  584.300093] RIP: 0033:0x45b349
[  584.303290] Code: Bad RIP value.
[  584.306654] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  584.314462] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  584.321729] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  584.328988] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  584.336253] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  584.343511] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  584.350899] warn_alloc_show_mem: 1 callbacks suppressed
[  584.350910] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  584.350912] Mem-Info:
[  584.350942] active_anon:162126 inactive_anon:206 isolated_anon:0
[  584.350942]  active_file:14 inactive_file:11 isolated_file:0
[  584.350942]  unevictable:0 dirty:0 writeback:0 unstable:0
[  584.350942]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  584.350942]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  584.350942]  free:10931 free_pcp:206 free_cma:0
[  584.356308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  584.363759] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  584.366188] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  584.399343] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  584.408683] Call Trace:
[  584.436465] 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
[  584.443825]  <IRQ>
[  584.469496] lowmem_reserve[]: 0 2545 2546 2546 2546
[  584.472090]  dump_stack+0x197/0x210
[  584.498181] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  584.500352]  warn_alloc.cold+0x7b/0x173
[  584.505334] lowmem_reserve[]: 0 0 1 1 1
[  584.508983]  ? zone_watermark_ok_safe+0x260/0x260
[  584.537944] 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
[  584.541937]  ? __cpuset_node_allowed+0x136/0x540
[  584.545885] lowmem_reserve[]: 0 0 0 0 0
[  584.550761]  ? __isolate_free_page+0x4c0/0x4c0
[  584.576617] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  584.581397]  ? wake_all_kswapds+0x14d/0x300
[  584.585340] lowmem_reserve[]: 0 0 0 0 0
[  584.589926]  __alloc_pages_slowpath+0x2214/0x2870
[  584.617399] 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
[  584.621773]  ? warn_alloc+0x110/0x110
[  584.625708] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  584.630628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  584.643102] 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
[  584.646907]  ? should_fail+0x14d/0x85c
[  584.660241] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  584.665902]  ? __isolate_free_page+0x4c0/0x4c0
[  584.676567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  584.680475]  __alloc_pages_nodemask+0x617/0x750
[  584.696065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  584.696080] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  584.700670]  ? __alloc_pages_slowpath+0x2870/0x2870
[  584.709486] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  584.714159]  cache_grow_begin+0x91/0x8c0
[  584.722706] 281 total pagecache pages
[  584.731719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.736719] 0 pages in swap cache
[  584.745296]  ? __cpuset_node_allowed+0x136/0x540
[  584.749332] Swap cache stats: add 0, delete 0, find 0/0
[  584.749341] Free swap  = 0kB
[  584.753262]  fallback_alloc+0x1fd/0x2d0
[  584.758771] Total swap = 0kB
[  584.758782] 1965979 pages RAM
[  584.762241]  ____cache_alloc_node+0x1be/0x1e0
[  584.766983] 0 pages HighMem/MovableOnly
[  584.766992] 341724 pages reserved
[  584.772374]  kmem_cache_alloc_node+0xe3/0x710
[  584.775366] 0 pages cma reserved
[  584.775542] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  584.779356]  __alloc_skb+0xd5/0x5f0
[  584.782546] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  584.785654]  ? skb_trim+0x190/0x190
[  584.828693]  ? check_preemption_disabled+0x48/0x290
[  584.833932]  ? lock_acquire+0x16f/0x3f0
[  584.837932]  new_skb+0x28/0x1d0
[  584.841226]  aoecmd_cfg+0x1b5/0x640
[  584.844910]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  584.849252]  ? timer_reduce+0x11d0/0x11d0
[  584.853412]  discover_timer+0x4e/0x60
[  584.857225]  call_timer_fn+0x18d/0x720
[  584.861108]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  584.866041]  ? process_timeout+0x40/0x40
[  584.870102]  ? run_timer_softirq+0x644/0x16a0
[  584.874615]  ? trace_hardirqs_on+0x67/0x220
[  584.879730]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  584.884431]  run_timer_softirq+0x64f/0x16a0
[  584.888783]  ? add_timer+0xbe0/0xbe0
[  584.892504]  ? __lock_is_held+0xb6/0x140
[  584.896837]  __do_softirq+0x25c/0x921
[  584.900644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.906184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  584.911737]  irq_exit+0x180/0x1d0
[  584.915192]  smp_apic_timer_interrupt+0x13b/0x550
[  584.920163]  apic_timer_interrupt+0xf/0x20
[  584.924386]  </IRQ>
[  584.926619] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  584.931565] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  584.950682] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  584.958497] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  584.966000] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  584.975118] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  584.982389] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  584.989664] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  584.997049]  ? mark_held_locks+0xb1/0x100
[  585.001208]  ? __netdev_alloc_skb+0x370/0x470
[  585.005715]  __build_skb+0x3e/0x310
[  585.009466]  __netdev_alloc_skb+0x2ba/0x470
[  585.014086]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  585.018923]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  585.024287]  ? find_held_lock+0x35/0x130
[  585.028358]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  585.032764]  ? check_preemption_disabled+0x48/0x290
[  585.037887]  ? prandom_u32_state+0x13/0x180
[  585.042233]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  585.047435]  ? kmem_cache_alloc+0x32a/0x700
[  585.051767]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  585.056717]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  585.063078]  process_one_work+0x989/0x1750
[  585.067614]  ? pwq_dec_nr_in_flight+0x320/0x320
[  585.072385]  ? lock_acquire+0x16f/0x3f0
[  585.076369]  ? kasan_check_write+0x14/0x20
[  585.080615]  ? do_raw_spin_lock+0xd7/0x250
[  585.084864]  worker_thread+0x98/0xe40
[  585.088696]  kthread+0x354/0x420
[  585.092107]  ? process_one_work+0x1750/0x1750
[  585.096629]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  585.102211]  ret_from_fork+0x24/0x30
[  585.105952] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  585.106018] aoe: skb alloc failure
[  585.113760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  585.113766] Call Trace:
[  585.113772]  <IRQ>
[  585.113791]  dump_stack+0x197/0x210
[  585.113810]  warn_alloc.cold+0x7b/0x173
[  585.113827]  ? zone_watermark_ok_safe+0x260/0x260
[  585.117377] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  585.126723]  ? __cpuset_node_allowed+0x136/0x540
[  585.129287] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  585.131441]  ? __isolate_free_page+0x4c0/0x4c0
[  585.169134]  ? wake_all_kswapds+0x14d/0x300
[  585.173641]  __alloc_pages_slowpath+0x2214/0x2870
[  585.178497]  ? warn_alloc+0x110/0x110
[  585.182296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  585.187948]  ? should_fail+0x14d/0x85c
[  585.192061]  ? __isolate_free_page+0x4c0/0x4c0
[  585.196700]  __alloc_pages_nodemask+0x617/0x750
[  585.201457]  ? __alloc_pages_slowpath+0x2870/0x2870
[  585.206676]  cache_grow_begin+0x91/0x8c0
[  585.210747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.216373]  ? __cpuset_node_allowed+0x136/0x540
[  585.221134]  fallback_alloc+0x1fd/0x2d0
[  585.225126]  ____cache_alloc_node+0x1be/0x1e0
[  585.229629]  kmem_cache_alloc_node+0xe3/0x710
[  585.234134]  ? queue_work_on+0xe2/0x200
[  585.238130]  ? switchdev_deferred_enqueue+0x1ad/0x220
[  585.243356]  ? queue_work_on+0xe2/0x200
[  585.247351]  __alloc_skb+0xd5/0x5f0
[  585.251011]  ? skb_trim+0x190/0x190
[  585.254648]  ? switchdev_port_obj_del_now+0x1e0/0x1e0
[  585.259875]  ? switchdev_deferred_enqueue+0x1b2/0x220
[  585.265272]  __br_mdb_notify+0x2af/0xe40
[  585.269353]  ? debug_object_assert_init+0x17b/0x2f0
[  585.274464]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[  585.279581]  ? __br_mdb_add+0x7b0/0x7b0
[  585.283667]  ? debug_object_assert_init+0x17b/0x2f0
[  585.288696]  ? debug_object_destroy+0x250/0x250
[  585.293605]  ? mark_held_locks+0x100/0x100
[  585.297960]  br_mdb_notify+0x20d/0x2d0
[  585.301854]  ? br_mdb_dump+0x1fe0/0x1fe0
[  585.305924]  ? del_timer+0xd2/0x120
[  585.309670]  br_multicast_del_pg+0x2bd/0x580
[  585.314094]  br_multicast_port_group_expired+0x189/0x1e0
[  585.319578]  call_timer_fn+0x18d/0x720
[  585.323474]  ? br_multicast_del_pg+0x580/0x580
[  585.328052]  ? process_timeout+0x40/0x40
[  585.332301]  ? run_timer_softirq+0x644/0x16a0
[  585.336830]  ? trace_hardirqs_on+0x67/0x220
[  585.341159]  ? br_multicast_del_pg+0x580/0x580
[  585.345740]  run_timer_softirq+0x64f/0x16a0
[  585.350063]  ? add_timer+0xbe0/0xbe0
[  585.353785]  ? __lock_is_held+0xb6/0x140
[  585.357877]  __do_softirq+0x25c/0x921
[  585.361683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.367217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.372767]  irq_exit+0x180/0x1d0
[  585.376369]  smp_apic_timer_interrupt+0x13b/0x550
[  585.381209]  apic_timer_interrupt+0xf/0x20
[  585.385458]  </IRQ>
[  585.387693] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  585.392631] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  585.411653] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  585.419470] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  585.426760] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  585.434038] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  585.441324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  585.448609] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  585.455918]  ? finish_task_switch+0x146/0x7c0
[  585.460425]  skb_clone+0x156/0x3e0
[  585.463972]  bpf_clone_redirect+0xb2/0x480
[  585.468216]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  585.473306]  ? mark_held_locks+0x100/0x100
[  585.477571]  ? __schedule+0x86e/0x1dc0
[  585.481484]  ? retint_kernel+0x2d/0x2d
[  585.485393]  ? firmware_map_remove+0x1a7/0x1a7
[  585.490014]  ? bpf_test_run+0x146/0x430
[  585.494009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.499574]  ? check_preemption_disabled+0x48/0x290
[  585.504612]  ? lock_acquire+0x16f/0x3f0
[  585.508594]  ? kasan_check_read+0x11/0x20
[  585.512763]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  585.518111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  585.523653]  bpf_test_run+0x10d/0x430
[  585.527496]  bpf_prog_test_run_skb+0x64b/0xb20
[  585.532213]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  585.537089]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  585.541954]  bpf_prog_test_run+0x129/0x1a0
[  585.546191]  __x64_sys_bpf+0x397/0x4c0
[  585.550085]  ? bpf_prog_get+0x20/0x20
[  585.553888]  ? do_syscall_64+0x26/0x620
[  585.557982]  ? lockdep_hardirqs_on+0x415/0x5d0
[  585.562699]  ? trace_hardirqs_on+0x67/0x220
[  585.567115]  do_syscall_64+0xfd/0x620
[  585.570914]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  585.576101] RIP: 0033:0x45b349
[  585.579302] Code: Bad RIP value.
[  585.582661] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  585.590389] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  585.597674] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  585.605055] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  585.612325] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  585.619732] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  585.627025] warn_alloc_show_mem: 1 callbacks suppressed
[  585.627036] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  585.627038] Mem-Info:
[  585.627068] active_anon:162126 inactive_anon:206 isolated_anon:0
[  585.627068]  active_file:14 inactive_file:11 isolated_file:0
[  585.627068]  unevictable:0 dirty:0 writeback:0 unstable:0
[  585.627068]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  585.627068]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  585.627068]  free:10931 free_pcp:206 free_cma:0
[  585.632428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  585.639891] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  585.642303] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  585.675468] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  585.684855] Call Trace:
[  585.715435] 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
[  585.722546]  <IRQ>
[  585.748228] lowmem_reserve[]: 0 2545 2546 2546 2546
[  585.750835]  dump_stack+0x197/0x210
[  585.776948] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  585.779125]  warn_alloc.cold+0x7b/0x173
[  585.784114] lowmem_reserve[]: 0 0 1 1 1
[  585.787756]  ? zone_watermark_ok_safe+0x260/0x260
[  585.816559] 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
[  585.820562]  ? __cpuset_node_allowed+0x136/0x540
[  585.824512] lowmem_reserve[]: 0 0 0 0 0
[  585.829394]  ? __isolate_free_page+0x4c0/0x4c0
[  585.855136] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  585.859899]  ? wake_all_kswapds+0x14d/0x300
[  585.863859] lowmem_reserve[]: 0 0 0 0 0
[  585.868471]  __alloc_pages_slowpath+0x2214/0x2870
[  585.896056] 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
[  585.900427]  ? warn_alloc+0x110/0x110
[  585.904379] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  585.909240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  585.921850] 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
[  585.925666]  ? should_fail+0x14d/0x85c
[  585.939012] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  585.944595]  ? __isolate_free_page+0x4c0/0x4c0
[  585.955381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  585.959290]  __alloc_pages_nodemask+0x617/0x750
[  585.974888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  585.979471]  ? __alloc_pages_slowpath+0x2870/0x2870
[  585.988284] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  585.992973]  cache_grow_begin+0x91/0x8c0
[  586.001526] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  586.001535] 281 total pagecache pages
[  586.006651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.015504] 0 pages in swap cache
[  586.019573]  ? __cpuset_node_allowed+0x136/0x540
[  586.028136] Swap cache stats: add 0, delete 0, find 0/0
[  586.031945]  fallback_alloc+0x1fd/0x2d0
[  586.037459] Free swap  = 0kB
[  586.037467] Total swap = 0kB
[  586.041051]  ____cache_alloc_node+0x1be/0x1e0
[  586.045783] 1965979 pages RAM
[  586.051171]  kmem_cache_alloc_node+0xe3/0x710
[  586.055115] 0 pages HighMem/MovableOnly
[  586.055124] 341724 pages reserved
[  586.058146]  __alloc_skb+0xd5/0x5f0
[  586.061249] 0 pages cma reserved
[  586.061410] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  586.065761]  ? skb_trim+0x190/0x190
[  586.068852] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  586.073365]  ? check_preemption_disabled+0x48/0x290
[  586.113249]  ? lock_acquire+0x16f/0x3f0
[  586.117461]  new_skb+0x28/0x1d0
[  586.120829]  aoecmd_cfg+0x1b5/0x640
[  586.124631]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  586.128971]  ? timer_reduce+0x11d0/0x11d0
[  586.133122]  discover_timer+0x4e/0x60
[  586.137015]  call_timer_fn+0x18d/0x720
[  586.140930]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  586.145609]  ? process_timeout+0x40/0x40
[  586.149685]  ? run_timer_softirq+0x644/0x16a0
[  586.154181]  ? trace_hardirqs_on+0x67/0x220
[  586.158501]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  586.163171]  run_timer_softirq+0x64f/0x16a0
[  586.167510]  ? add_timer+0xbe0/0xbe0
[  586.171222]  ? __lock_is_held+0xb6/0x140
[  586.175315]  __do_softirq+0x25c/0x921
[  586.179213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.184760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.190313]  irq_exit+0x180/0x1d0
[  586.193873]  smp_apic_timer_interrupt+0x13b/0x550
[  586.198775]  apic_timer_interrupt+0xf/0x20
[  586.203100]  </IRQ>
[  586.205350] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  586.210274] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  586.229199] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  586.237006] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  586.244280] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  586.251559] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  586.259040] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  586.266328] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  586.273618]  ? mark_held_locks+0xb1/0x100
[  586.277778]  ? __netdev_alloc_skb+0x370/0x470
[  586.287071]  __build_skb+0x3e/0x310
[  586.290715]  __netdev_alloc_skb+0x2ba/0x470
[  586.295085]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  586.300048]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  586.305423]  ? find_held_lock+0x35/0x130
[  586.309560]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  586.313969]  ? check_preemption_disabled+0x48/0x290
[  586.318978]  ? prandom_u32_state+0x13/0x180
[  586.323313]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  586.328522]  ? kmem_cache_alloc+0x32a/0x700
[  586.332947]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  586.337898]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  586.344237]  process_one_work+0x989/0x1750
[  586.348477]  ? pwq_dec_nr_in_flight+0x320/0x320
[  586.353339]  ? lock_acquire+0x16f/0x3f0
[  586.357324]  ? kasan_check_write+0x14/0x20
[  586.361565]  ? do_raw_spin_lock+0xd7/0x250
[  586.365823]  worker_thread+0x98/0xe40
[  586.369630]  kthread+0x354/0x420
[  586.372988]  ? process_one_work+0x1750/0x1750
[  586.377489]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  586.383034]  ret_from_fork+0x24/0x30
[  586.386761] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  586.386823] aoe: skb alloc failure
[  586.394692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  586.394697] Call Trace:
[  586.394704]  <IRQ>
[  586.394723]  dump_stack+0x197/0x210
[  586.394743]  warn_alloc.cold+0x7b/0x173
[  586.394771]  ? zone_watermark_ok_safe+0x260/0x260
[  586.398329] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  586.407687]  ? __cpuset_node_allowed+0x136/0x540
[  586.410248] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  586.412431]  ? __isolate_free_page+0x4c0/0x4c0
[  586.449534]  ? wake_all_kswapds+0x14d/0x300
[  586.453867]  __alloc_pages_slowpath+0x2214/0x2870
[  586.458841]  ? warn_alloc+0x110/0x110
[  586.462645]  ? __lock_acquire+0x6ee/0x49c0
[  586.466883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.472437]  ? should_fail+0x14d/0x85c
[  586.476340]  ? __isolate_free_page+0x4c0/0x4c0
[  586.480953]  __alloc_pages_nodemask+0x617/0x750
[  586.485623]  ? __alloc_pages_slowpath+0x2870/0x2870
[  586.490655]  ? find_held_lock+0x35/0x130
[  586.494737]  cache_grow_begin+0x91/0x8c0
[  586.498824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.504359]  ? __cpuset_node_allowed+0x136/0x540
[  586.509132]  fallback_alloc+0x1fd/0x2d0
[  586.513135]  ____cache_alloc_node+0x1be/0x1e0
[  586.517742]  kmem_cache_alloc_node+0xe3/0x710
[  586.522247]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  586.526482]  __alloc_skb+0xd5/0x5f0
[  586.530458]  ? skb_trim+0x190/0x190
[  586.534093]  ? kasan_check_read+0x11/0x20
[  586.538246]  ndisc_alloc_skb+0x13c/0x340
[  586.543206]  ndisc_send_rs+0x35f/0x6e0
[  586.547177]  addrconf_rs_timer+0x30f/0x680
[  586.551414]  ? ipv6_get_lladdr+0x490/0x490
[  586.555687]  call_timer_fn+0x18d/0x720
[  586.559781]  ? ipv6_get_lladdr+0x490/0x490
[  586.564049]  ? process_timeout+0x40/0x40
[  586.568116]  ? run_timer_softirq+0x644/0x16a0
[  586.572624]  ? trace_hardirqs_on+0x67/0x220
[  586.576952]  ? ipv6_get_lladdr+0x490/0x490
[  586.581181]  run_timer_softirq+0x64f/0x16a0
[  586.585506]  ? add_timer+0xbe0/0xbe0
[  586.589407]  ? __lock_is_held+0xb6/0x140
[  586.593491]  __do_softirq+0x25c/0x921
[  586.597642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.603313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.608873]  irq_exit+0x180/0x1d0
[  586.612339]  smp_apic_timer_interrupt+0x13b/0x550
[  586.617195]  apic_timer_interrupt+0xf/0x20
[  586.621446]  </IRQ>
[  586.623695] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  586.628645] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  586.647631] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  586.655351] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  586.662625] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  586.669898] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  586.677291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  586.684682] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  586.691992]  ? finish_task_switch+0x146/0x7c0
[  586.696615]  skb_clone+0x156/0x3e0
[  586.700246]  bpf_clone_redirect+0xb2/0x480
[  586.704484]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  586.709521]  ? mark_held_locks+0x100/0x100
[  586.713966]  ? __schedule+0x86e/0x1dc0
[  586.717868]  ? retint_kernel+0x2d/0x2d
[  586.721773]  ? firmware_map_remove+0x1a7/0x1a7
[  586.726352]  ? bpf_test_run+0x146/0x430
[  586.730339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.735887]  ? check_preemption_disabled+0x48/0x290
[  586.740926]  ? lock_acquire+0x16f/0x3f0
[  586.745077]  ? kasan_check_read+0x11/0x20
[  586.749245]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  586.754432]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  586.760398]  bpf_test_run+0x10d/0x430
[  586.764222]  bpf_prog_test_run_skb+0x64b/0xb20
[  586.768828]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  586.773688]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  586.778729]  bpf_prog_test_run+0x129/0x1a0
[  586.782959]  __x64_sys_bpf+0x397/0x4c0
[  586.786844]  ? bpf_prog_get+0x20/0x20
[  586.790852]  ? do_syscall_64+0x26/0x620
[  586.795108]  ? lockdep_hardirqs_on+0x415/0x5d0
[  586.799700]  ? trace_hardirqs_on+0x67/0x220
[  586.804031]  do_syscall_64+0xfd/0x620
[  586.807846]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  586.813029] RIP: 0033:0x45b349
[  586.816369] Code: Bad RIP value.
[  586.819726] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  586.827434] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  586.834733] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  586.842012] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  586.849292] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  586.857032] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  586.864344] warn_alloc_show_mem: 1 callbacks suppressed
[  586.864354] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  586.864356] Mem-Info:
[  586.864387] active_anon:162126 inactive_anon:206 isolated_anon:0
[  586.864387]  active_file:14 inactive_file:11 isolated_file:0
[  586.864387]  unevictable:0 dirty:0 writeback:0 unstable:0
[  586.864387]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  586.864387]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  586.864387]  free:10931 free_pcp:206 free_cma:0
[  586.869748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  586.877219] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  586.879639] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  586.912839] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  586.922210] Call Trace:
[  586.949937] 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
[  586.957045]  <IRQ>
[  586.982819] lowmem_reserve[]: 0 2545 2546 2546 2546
[  586.985426]  dump_stack+0x197/0x210
[  587.011629] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  587.013795]  warn_alloc.cold+0x7b/0x173
[  587.018792] lowmem_reserve[]: 0 0 1 1 1
[  587.022439]  ? zone_watermark_ok_safe+0x260/0x260
[  587.051331] 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
[  587.055313]  ? __cpuset_node_allowed+0x136/0x540
[  587.059493] lowmem_reserve[]: 0 0 0 0 0
[  587.064380]  ? __isolate_free_page+0x4c0/0x4c0
[  587.090121] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  587.094902]  ? wake_all_kswapds+0x14d/0x300
[  587.098857] lowmem_reserve[]: 0 0 0 0 0
[  587.103478]  __alloc_pages_slowpath+0x2214/0x2870
[  587.131080] 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
[  587.135439]  ? warn_alloc+0x110/0x110
[  587.139377] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  587.144220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  587.156865] 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
[  587.160687]  ? should_fail+0x14d/0x85c
[  587.174123] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  587.179673]  ? __isolate_free_page+0x4c0/0x4c0
[  587.190320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  587.194226]  __alloc_pages_nodemask+0x617/0x750
[  587.209818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  587.214408]  ? __alloc_pages_slowpath+0x2870/0x2870
[  587.223334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  587.228009]  cache_grow_begin+0x91/0x8c0
[  587.236557] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  587.241702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.250511] 281 total pagecache pages
[  587.254577]  ? __cpuset_node_allowed+0x136/0x540
[  587.263134] 0 pages in swap cache
[  587.268692]  fallback_alloc+0x1fd/0x2d0
[  587.272480] Swap cache stats: add 0, delete 0, find 0/0
[  587.277241]  ____cache_alloc_node+0x1be/0x1e0
[  587.280662] Free swap  = 0kB
[  587.284635]  kmem_cache_alloc_node+0xe3/0x710
[  587.289999] Total swap = 0kB
[  587.290010] 1965979 pages RAM
[  587.294526]  __alloc_skb+0xd5/0x5f0
[  587.297509] 0 pages HighMem/MovableOnly
[  587.297519] 341724 pages reserved
[  587.302012]  ? skb_trim+0x190/0x190
[  587.304998] 0 pages cma reserved
[  587.305067] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  587.308125]  ? check_preemption_disabled+0x48/0x290
[  587.311794] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  587.315714]  ? lock_acquire+0x16f/0x3f0
[  587.319145] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  587.322787]  new_skb+0x28/0x1d0
[  587.360753]  aoecmd_cfg+0x1b5/0x640
[  587.364384]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  587.368717]  ? timer_reduce+0x11d0/0x11d0
[  587.372878]  discover_timer+0x4e/0x60
[  587.376698]  call_timer_fn+0x18d/0x720
[  587.380579]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  587.385241]  ? process_timeout+0x40/0x40
[  587.389326]  ? run_timer_softirq+0x644/0x16a0
[  587.393836]  ? trace_hardirqs_on+0x67/0x220
[  587.398163]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  587.402825]  run_timer_softirq+0x64f/0x16a0
[  587.407156]  ? add_timer+0xbe0/0xbe0
[  587.410878]  ? __lock_is_held+0xb6/0x140
[  587.415055]  __do_softirq+0x25c/0x921
[  587.418849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.424388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  587.429940]  irq_exit+0x180/0x1d0
[  587.433394]  smp_apic_timer_interrupt+0x13b/0x550
[  587.438250]  apic_timer_interrupt+0xf/0x20
[  587.442502]  </IRQ>
[  587.444751] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  587.449686] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  587.468799] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  587.476528] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  587.483808] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  587.491335] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  587.498735] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  587.506009] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  587.513304]  ? mark_held_locks+0xb1/0x100
[  587.517527]  ? __netdev_alloc_skb+0x370/0x470
[  587.522036]  __build_skb+0x3e/0x310
[  587.525668]  __netdev_alloc_skb+0x2ba/0x470
[  587.529987]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  587.534858]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  587.540228]  ? find_held_lock+0x35/0x130
[  587.544322]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  587.548725]  ? check_preemption_disabled+0x48/0x290
[  587.553879]  ? prandom_u32_state+0x13/0x180
[  587.558213]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  587.563417]  ? kmem_cache_alloc+0x32a/0x700
[  587.567748]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  587.572705]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  587.579067]  process_one_work+0x989/0x1750
[  587.583306]  ? pwq_dec_nr_in_flight+0x320/0x320
[  587.587982]  ? lock_acquire+0x16f/0x3f0
[  587.591975]  ? kasan_check_write+0x14/0x20
[  587.596205]  ? do_raw_spin_lock+0xd7/0x250
[  587.600445]  worker_thread+0x98/0xe40
[  587.604267]  kthread+0x354/0x420
[  587.607641]  ? process_one_work+0x1750/0x1750
[  587.612153]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  587.617709]  ret_from_fork+0x24/0x30
[  587.621441] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  587.621502] aoe: skb alloc failure
[  587.629244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  587.629249] Call Trace:
[  587.629256]  <IRQ>
[  587.629275]  dump_stack+0x197/0x210
[  587.629294]  warn_alloc.cold+0x7b/0x173
[  587.629311]  ? zone_watermark_ok_safe+0x260/0x260
[  587.633003] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  587.642348]  ? __cpuset_node_allowed+0x136/0x540
[  587.644909] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  587.647062]  ? __isolate_free_page+0x4c0/0x4c0
[  587.684121]  ? wake_all_kswapds+0x14d/0x300
[  587.688477]  __alloc_pages_slowpath+0x2214/0x2870
[  587.693365]  ? warn_alloc+0x110/0x110
[  587.697207]  ? __lock_acquire+0x6ee/0x49c0
[  587.701449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  587.706997]  ? should_fail+0x14d/0x85c
[  587.710889]  ? __isolate_free_page+0x4c0/0x4c0
[  587.715496]  __alloc_pages_nodemask+0x617/0x750
[  587.720178]  ? __alloc_pages_slowpath+0x2870/0x2870
[  587.725308]  ? find_held_lock+0x35/0x130
[  587.729380]  cache_grow_begin+0x91/0x8c0
[  587.733450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.738994]  ? __cpuset_node_allowed+0x136/0x540
[  587.743759]  fallback_alloc+0x1fd/0x2d0
[  587.747752]  ____cache_alloc_node+0x1be/0x1e0
[  587.752389]  kmem_cache_alloc_node+0xe3/0x710
[  587.756894]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  587.761134]  __alloc_skb+0xd5/0x5f0
[  587.764779]  ? skb_trim+0x190/0x190
[  587.768512]  ? kasan_check_read+0x11/0x20
[  587.772676]  ndisc_alloc_skb+0x13c/0x340
[  587.776780]  ndisc_send_rs+0x35f/0x6e0
[  587.780667]  addrconf_rs_timer+0x30f/0x680
[  587.784905]  ? ipv6_get_lladdr+0x490/0x490
[  587.789314]  call_timer_fn+0x18d/0x720
[  587.793208]  ? ipv6_get_lladdr+0x490/0x490
[  587.797448]  ? process_timeout+0x40/0x40
[  587.801514]  ? run_timer_softirq+0x644/0x16a0
[  587.806013]  ? trace_hardirqs_on+0x67/0x220
[  587.810334]  ? ipv6_get_lladdr+0x490/0x490
[  587.814579]  run_timer_softirq+0x64f/0x16a0
[  587.818905]  ? add_timer+0xbe0/0xbe0
[  587.822647]  ? __lock_is_held+0xb6/0x140
[  587.827252]  __do_softirq+0x25c/0x921
[  587.831059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.836629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.842185]  irq_exit+0x180/0x1d0
[  587.845654]  smp_apic_timer_interrupt+0x13b/0x550
[  587.850661]  apic_timer_interrupt+0xf/0x20
[  587.854899]  </IRQ>
[  587.857158] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  587.862086] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  587.881090] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  587.888805] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  587.896076] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  587.903585] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  587.910873] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  587.918143] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  587.925624]  ? finish_task_switch+0x146/0x7c0
[  587.930145]  skb_clone+0x156/0x3e0
[  587.933700]  bpf_clone_redirect+0xb2/0x480
[  587.937951]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  587.943116]  ? mark_held_locks+0x100/0x100
[  587.947362]  ? __schedule+0x86e/0x1dc0
[  587.951339]  ? retint_kernel+0x2d/0x2d
[  587.955230]  ? firmware_map_remove+0x1a7/0x1a7
[  587.962782]  ? bpf_test_run+0x146/0x430
[  587.966793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.972438]  ? check_preemption_disabled+0x48/0x290
[  587.977472]  ? lock_acquire+0x16f/0x3f0
[  587.981452]  ? kasan_check_read+0x11/0x20
[  587.985956]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  587.992913]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  587.998485]  bpf_test_run+0x10d/0x430
[  588.002290]  bpf_prog_test_run_skb+0x64b/0xb20
[  588.006900]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  588.011747]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  588.016846]  bpf_prog_test_run+0x129/0x1a0
[  588.021092]  __x64_sys_bpf+0x397/0x4c0
[  588.024995]  ? bpf_prog_get+0x20/0x20
[  588.028797]  ? do_syscall_64+0x26/0x620
[  588.032795]  ? lockdep_hardirqs_on+0x415/0x5d0
[  588.037391]  ? trace_hardirqs_on+0x67/0x220
[  588.041994]  do_syscall_64+0xfd/0x620
[  588.045983]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  588.051196] RIP: 0033:0x45b349
[  588.054416] Code: Bad RIP value.
[  588.057790] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  588.065501] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  588.073204] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  588.080476] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  588.088024] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  588.095410] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  588.102696] warn_alloc_show_mem: 1 callbacks suppressed
[  588.102706] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  588.102708] Mem-Info:
[  588.102737] active_anon:162126 inactive_anon:206 isolated_anon:0
[  588.102737]  active_file:14 inactive_file:11 isolated_file:0
[  588.102737]  unevictable:0 dirty:0 writeback:0 unstable:0
[  588.102737]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  588.102737]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  588.102737]  free:10931 free_pcp:206 free_cma:0
[  588.108092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  588.115558] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  588.117973] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  588.151050] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  588.160380] Call Trace:
[  588.188191] 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
[  588.195298]  <IRQ>
[  588.220973] lowmem_reserve[]: 0 2545 2546 2546 2546
[  588.223567]  dump_stack+0x197/0x210
[  588.249675] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  588.251877]  warn_alloc.cold+0x7b/0x173
[  588.256868] lowmem_reserve[]: 0 0 1 1 1
[  588.260526]  ? zone_watermark_ok_safe+0x260/0x260
[  588.289314] 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
[  588.293309]  ? __cpuset_node_allowed+0x136/0x540
[  588.297267] lowmem_reserve[]: 0 0 0 0 0
[  588.302116]  ? __isolate_free_page+0x4c0/0x4c0
[  588.327867] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  588.332644]  ? wake_all_kswapds+0x14d/0x300
[  588.336609] lowmem_reserve[]: 0 0 0 0 0
[  588.341215]  __alloc_pages_slowpath+0x2214/0x2870
[  588.368704] 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
[  588.373051]  ? warn_alloc+0x110/0x110
[  588.376989] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  588.381841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  588.394324] 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
[  588.398137]  ? should_fail+0x14d/0x85c
[  588.411484] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  588.417047]  ? __isolate_free_page+0x4c0/0x4c0
[  588.427693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  588.431597]  __alloc_pages_nodemask+0x617/0x750
[  588.447282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  588.447297] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  588.451886]  ? __alloc_pages_slowpath+0x2870/0x2870
[  588.460799] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  588.465580]  cache_grow_begin+0x91/0x8c0
[  588.474133] 281 total pagecache pages
[  588.482991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.487985] 0 pages in swap cache
[  588.496564]  ? __cpuset_node_allowed+0x136/0x540
[  588.500607] Swap cache stats: add 0, delete 0, find 0/0
[  588.504405]  fallback_alloc+0x1fd/0x2d0
[  588.509917] Free swap  = 0kB
[  588.513377]  ____cache_alloc_node+0x1be/0x1e0
[  588.518112] Total swap = 0kB
[  588.523491]  kmem_cache_alloc_node+0xe3/0x710
[  588.527441] 1965979 pages RAM
[  588.530457]  __alloc_skb+0xd5/0x5f0
[  588.534917] 0 pages HighMem/MovableOnly
[  588.534926] 341724 pages reserved
[  588.537961]  ? skb_trim+0x190/0x190
[  588.542443] 0 pages cma reserved
[  588.545555]  ? check_preemption_disabled+0x48/0x290
[  588.549223] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  588.553223]  ? lock_acquire+0x16f/0x3f0
[  588.553248]  new_skb+0x28/0x1d0
[  588.556782] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  588.560754]  aoecmd_cfg+0x1b5/0x640
[  588.564103] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  588.569124]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  588.606854]  ? timer_reduce+0x11d0/0x11d0
[  588.611016]  discover_timer+0x4e/0x60
[  588.614812]  call_timer_fn+0x18d/0x720
[  588.618711]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  588.623472]  ? process_timeout+0x40/0x40
[  588.627544]  ? run_timer_softirq+0x644/0x16a0
[  588.632048]  ? trace_hardirqs_on+0x67/0x220
[  588.636458]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  588.641120]  run_timer_softirq+0x64f/0x16a0
[  588.645493]  ? add_timer+0xbe0/0xbe0
[  588.649229]  ? __lock_is_held+0xb6/0x140
[  588.653304]  __do_softirq+0x25c/0x921
[  588.657161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.662701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  588.668247]  irq_exit+0x180/0x1d0
[  588.671695]  smp_apic_timer_interrupt+0x13b/0x550
[  588.676558]  apic_timer_interrupt+0xf/0x20
[  588.680792]  </IRQ>
[  588.683027] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  588.687962] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  588.707010] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  588.714735] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  588.722006] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  588.729274] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  588.736542] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  588.743802] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  588.751100]  ? mark_held_locks+0xb1/0x100
[  588.755255]  ? __netdev_alloc_skb+0x370/0x470
[  588.759779]  __build_skb+0x3e/0x310
[  588.763405]  __netdev_alloc_skb+0x2ba/0x470
[  588.767752]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  588.772607]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  588.777981]  ? find_held_lock+0x35/0x130
[  588.782048]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  588.786451]  ? check_preemption_disabled+0x48/0x290
[  588.791472]  ? prandom_u32_state+0x13/0x180
[  588.795808]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  588.801021]  ? kmem_cache_alloc+0x32a/0x700
[  588.805370]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  588.810319]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  588.816756]  process_one_work+0x989/0x1750
[  588.821006]  ? pwq_dec_nr_in_flight+0x320/0x320
[  588.825665]  ? lock_acquire+0x16f/0x3f0
[  588.829744]  ? kasan_check_write+0x14/0x20
[  588.833974]  ? do_raw_spin_lock+0xd7/0x250
[  588.838220]  worker_thread+0x98/0xe40
[  588.842026]  kthread+0x354/0x420
[  588.845384]  ? process_one_work+0x1750/0x1750
[  588.849887]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  588.855427]  ret_from_fork+0x24/0x30
[  588.859166] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  588.859228] aoe: skb alloc failure
[  588.866965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  588.866971] Call Trace:
[  588.866977]  <IRQ>
[  588.866997]  dump_stack+0x197/0x210
[  588.867018]  warn_alloc.cold+0x7b/0x173
[  588.870573] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  588.879915]  ? zone_watermark_ok_safe+0x260/0x260
[  588.882486] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  588.884631]  ? __cpuset_node_allowed+0x136/0x540
[  588.917221]  ? __isolate_free_page+0x4c0/0x4c0
[  588.921829]  ? wake_all_kswapds+0x14d/0x300
[  588.926188]  __alloc_pages_slowpath+0x2214/0x2870
[  588.931162]  ? warn_alloc+0x110/0x110
[  588.934959]  ? __lock_acquire+0x6ee/0x49c0
[  588.939259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  588.944808]  ? should_fail+0x14d/0x85c
[  588.948714]  ? __isolate_free_page+0x4c0/0x4c0
[  588.953302]  __alloc_pages_nodemask+0x617/0x750
[  588.957969]  ? __alloc_pages_slowpath+0x2870/0x2870
[  588.963001]  ? find_held_lock+0x35/0x130
[  588.967058]  cache_grow_begin+0x91/0x8c0
[  588.971146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.976682]  ? __cpuset_node_allowed+0x136/0x540
[  588.981452]  fallback_alloc+0x1fd/0x2d0
[  588.985442]  ____cache_alloc_node+0x1be/0x1e0
[  588.989947]  kmem_cache_alloc_node+0xe3/0x710
[  588.994456]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  588.998766]  __alloc_skb+0xd5/0x5f0
[  589.002403]  ? skb_trim+0x190/0x190
[  589.006034]  ? kasan_check_read+0x11/0x20
[  589.010199]  ndisc_alloc_skb+0x13c/0x340
[  589.014265]  ndisc_send_rs+0x35f/0x6e0
[  589.018206]  addrconf_rs_timer+0x30f/0x680
[  589.022458]  ? ipv6_get_lladdr+0x490/0x490
[  589.026734]  call_timer_fn+0x18d/0x720
[  589.030629]  ? ipv6_get_lladdr+0x490/0x490
[  589.034872]  ? process_timeout+0x40/0x40
[  589.038937]  ? run_timer_softirq+0x644/0x16a0
[  589.043444]  ? trace_hardirqs_on+0x67/0x220
[  589.047772]  ? ipv6_get_lladdr+0x490/0x490
[  589.052002]  run_timer_softirq+0x64f/0x16a0
[  589.056332]  ? add_timer+0xbe0/0xbe0
[  589.060048]  ? __lock_is_held+0xb6/0x140
[  589.064148]  __do_softirq+0x25c/0x921
[  589.068057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.073581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.079136]  irq_exit+0x180/0x1d0
[  589.082696]  smp_apic_timer_interrupt+0x13b/0x550
[  589.087554]  apic_timer_interrupt+0xf/0x20
[  589.091782]  </IRQ>
[  589.094012] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  589.098941] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  589.117844] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  589.125557] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  589.132817] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  589.140085] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  589.147372] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  589.154635] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  589.162051]  ? finish_task_switch+0x146/0x7c0
[  589.166569]  skb_clone+0x156/0x3e0
[  589.170115]  bpf_clone_redirect+0xb2/0x480
[  589.174363]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  589.179399]  ? mark_held_locks+0x100/0x100
[  589.183644]  ? __schedule+0x86e/0x1dc0
[  589.187524]  ? retint_kernel+0x2d/0x2d
[  589.191524]  ? firmware_map_remove+0x1a7/0x1a7
[  589.196114]  ? bpf_test_run+0x146/0x430
[  589.200099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.205640]  ? check_preemption_disabled+0x48/0x290
[  589.210656]  ? lock_acquire+0x16f/0x3f0
[  589.214651]  ? kasan_check_read+0x11/0x20
[  589.218803]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  589.223992]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  589.229626]  bpf_test_run+0x10d/0x430
[  589.233441]  bpf_prog_test_run_skb+0x64b/0xb20
[  589.238031]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  589.242873]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  589.247714]  bpf_prog_test_run+0x129/0x1a0
[  589.251972]  __x64_sys_bpf+0x397/0x4c0
[  589.255856]  ? bpf_prog_get+0x20/0x20
[  589.259783]  ? do_syscall_64+0x26/0x620
[  589.263752]  ? lockdep_hardirqs_on+0x415/0x5d0
[  589.268352]  ? trace_hardirqs_on+0x67/0x220
[  589.272685]  do_syscall_64+0xfd/0x620
[  589.276495]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  589.281677] RIP: 0033:0x45b349
[  589.284872] Code: Bad RIP value.
[  589.288230] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  589.295941] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  589.303210] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  589.310595] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  589.317862] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  589.325132] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  589.332428] warn_alloc_show_mem: 1 callbacks suppressed
[  589.332439] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  589.332441] Mem-Info:
[  589.332471] active_anon:162126 inactive_anon:206 isolated_anon:0
[  589.332471]  active_file:14 inactive_file:11 isolated_file:0
[  589.332471]  unevictable:0 dirty:0 writeback:0 unstable:0
[  589.332471]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  589.332471]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  589.332471]  free:10931 free_pcp:206 free_cma:0
[  589.337820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  589.345281] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  589.347689] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  589.380751] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  589.390209] Call Trace:
[  589.417811] 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
[  589.424916]  <IRQ>
[  589.450787] lowmem_reserve[]: 0 2545 2546 2546 2546
[  589.453389]  dump_stack+0x197/0x210
[  589.479768] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  589.481966]  warn_alloc.cold+0x7b/0x173
[  589.486962] lowmem_reserve[]: 0 0 1 1 1
[  589.490601]  ? zone_watermark_ok_safe+0x260/0x260
[  589.519400] 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
[  589.523390]  ? __cpuset_node_allowed+0x136/0x540
[  589.527354] lowmem_reserve[]: 0 0 0 0 0
[  589.532217]  ? __isolate_free_page+0x4c0/0x4c0
[  589.558041] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  589.562867]  ? wake_all_kswapds+0x14d/0x300
[  589.566816] lowmem_reserve[]: 0 0 0 0 0
[  589.571415]  __alloc_pages_slowpath+0x2214/0x2870
[  589.598909] 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
[  589.603542]  ? warn_alloc+0x110/0x110
[  589.607484] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  589.612353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.624820] 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
[  589.628652]  ? should_fail+0x14d/0x85c
[  589.642092] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  589.647779]  ? __isolate_free_page+0x4c0/0x4c0
[  589.658434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  589.662328]  __alloc_pages_nodemask+0x617/0x750
[  589.678021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  589.678036] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  589.682636]  ? __alloc_pages_slowpath+0x2870/0x2870
[  589.691451] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  589.696136]  cache_grow_begin+0x91/0x8c0
[  589.704695] 281 total pagecache pages
[  589.713542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.718535] 0 pages in swap cache
[  589.727120]  ? __cpuset_node_allowed+0x136/0x540
[  589.731161] Swap cache stats: add 0, delete 0, find 0/0
[  589.731171] Free swap  = 0kB
[  589.734972]  fallback_alloc+0x1fd/0x2d0
[  589.740588] Total swap = 0kB
[  589.740598] 1965979 pages RAM
[  589.744065]  ____cache_alloc_node+0x1be/0x1e0
[  589.748810] 0 pages HighMem/MovableOnly
[  589.754167]  kmem_cache_alloc_node+0xe3/0x710
[  589.757176] 341724 pages reserved
[  589.757189] 0 pages cma reserved
[  589.761195]  __alloc_skb+0xd5/0x5f0
[  589.764249] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  589.767302]  ? skb_trim+0x190/0x190
[  589.771832] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  589.775746]  ? check_preemption_disabled+0x48/0x290
[  589.780223] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  589.783670]  ? lock_acquire+0x16f/0x3f0
[  589.825603]  new_skb+0x28/0x1d0
[  589.828893]  aoecmd_cfg+0x1b5/0x640
[  589.832531]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  589.836865]  ? timer_reduce+0x11d0/0x11d0
[  589.841079]  discover_timer+0x4e/0x60
[  589.844894]  call_timer_fn+0x18d/0x720
[  589.848790]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  589.853453]  ? process_timeout+0x40/0x40
[  589.857511]  ? run_timer_softirq+0x644/0x16a0
[  589.862010]  ? trace_hardirqs_on+0x67/0x220
[  589.866390]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  589.871150]  run_timer_softirq+0x64f/0x16a0
[  589.875478]  ? add_timer+0xbe0/0xbe0
[  589.879188]  ? __lock_is_held+0xb6/0x140
[  589.883255]  __do_softirq+0x25c/0x921
[  589.887059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.892598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.898144]  irq_exit+0x180/0x1d0
[  589.901594]  smp_apic_timer_interrupt+0x13b/0x550
[  589.906460]  apic_timer_interrupt+0xf/0x20
[  589.910692]  </IRQ>
[  589.912936] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  589.917980] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  589.936886] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  589.944611] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  589.951979] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  589.959248] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  589.966513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  589.973886] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  589.981186]  ? mark_held_locks+0xb1/0x100
[  589.985338]  ? __netdev_alloc_skb+0x370/0x470
[  589.989849]  __build_skb+0x3e/0x310
[  589.993494]  __netdev_alloc_skb+0x2ba/0x470
[  589.997814]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  590.002736]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  590.008111]  ? find_held_lock+0x35/0x130
[  590.012220]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  590.016623]  ? check_preemption_disabled+0x48/0x290
[  590.021633]  ? prandom_u32_state+0x13/0x180
[  590.025986]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  590.031214]  ? kmem_cache_alloc+0x32a/0x700
[  590.035547]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  590.040491]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  590.046821]  process_one_work+0x989/0x1750
[  590.051074]  ? pwq_dec_nr_in_flight+0x320/0x320
[  590.055746]  ? lock_acquire+0x16f/0x3f0
[  590.059738]  ? kasan_check_write+0x14/0x20
[  590.063963]  ? do_raw_spin_lock+0xd7/0x250
[  590.068210]  worker_thread+0x98/0xe40
[  590.072027]  kthread+0x354/0x420
[  590.075411]  ? process_one_work+0x1750/0x1750
[  590.079902]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  590.085441]  ret_from_fork+0x24/0x30
[  590.089178] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  590.089290] aoe: skb alloc failure
[  590.097097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  590.097103] Call Trace:
[  590.097114]  <IRQ>
[  590.100689] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  590.110029]  dump_stack+0x197/0x210
[  590.112639] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  590.114912]  warn_alloc.cold+0x7b/0x173
[  590.137829]  ? zone_watermark_ok_safe+0x260/0x260
[  590.142672]  ? __cpuset_node_allowed+0x136/0x540
[  590.147433]  ? __isolate_free_page+0x4c0/0x4c0
[  590.152131]  ? wake_all_kswapds+0x14d/0x300
[  590.156468]  __alloc_pages_slowpath+0x2214/0x2870
[  590.161329]  ? warn_alloc+0x110/0x110
[  590.165129]  ? __lock_acquire+0x6ee/0x49c0
[  590.169372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.174909]  ? should_fail+0x14d/0x85c
[  590.178959]  ? __isolate_free_page+0x4c0/0x4c0
[  590.183557]  __alloc_pages_nodemask+0x617/0x750
[  590.188242]  ? __alloc_pages_slowpath+0x2870/0x2870
[  590.193284]  ? find_held_lock+0x35/0x130
[  590.197360]  cache_grow_begin+0x91/0x8c0
[  590.201431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.206973]  ? __cpuset_node_allowed+0x136/0x540
[  590.211747]  fallback_alloc+0x1fd/0x2d0
[  590.215733]  ____cache_alloc_node+0x1be/0x1e0
[  590.220225]  kmem_cache_alloc_node+0xe3/0x710
[  590.224740]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  590.228988]  __alloc_skb+0xd5/0x5f0
[  590.232623]  ? skb_trim+0x190/0x190
[  590.236352]  ? kasan_check_read+0x11/0x20
[  590.240553]  ndisc_alloc_skb+0x13c/0x340
[  590.244630]  ndisc_send_rs+0x35f/0x6e0
[  590.248541]  addrconf_rs_timer+0x30f/0x680
[  590.252781]  ? ipv6_get_lladdr+0x490/0x490
[  590.257043]  call_timer_fn+0x18d/0x720
[  590.260959]  ? ipv6_get_lladdr+0x490/0x490
[  590.265198]  ? process_timeout+0x40/0x40
[  590.269264]  ? run_timer_softirq+0x644/0x16a0
[  590.273769]  ? trace_hardirqs_on+0x67/0x220
[  590.278136]  ? ipv6_get_lladdr+0x490/0x490
[  590.282378]  run_timer_softirq+0x64f/0x16a0
[  590.286798]  ? add_timer+0xbe0/0xbe0
[  590.290527]  ? __lock_is_held+0xb6/0x140
[  590.294602]  __do_softirq+0x25c/0x921
[  590.298408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.303953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.309516]  irq_exit+0x180/0x1d0
[  590.312977]  smp_apic_timer_interrupt+0x13b/0x550
[  590.317844]  apic_timer_interrupt+0xf/0x20
[  590.322074]  </IRQ>
[  590.324316] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  590.329246] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  590.348368] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  590.356167] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  590.363436] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  590.370711] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  590.377983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  590.385275] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  590.392581]  ? finish_task_switch+0x146/0x7c0
[  590.397091]  skb_clone+0x156/0x3e0
[  590.400799]  bpf_clone_redirect+0xb2/0x480
[  590.405049]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  590.410073]  ? mark_held_locks+0x100/0x100
[  590.414318]  ? __schedule+0x86e/0x1dc0
[  590.418214]  ? retint_kernel+0x2d/0x2d
[  590.422108]  ? firmware_map_remove+0x1a7/0x1a7
[  590.426697]  ? bpf_test_run+0x146/0x430
[  590.430667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.436207]  ? check_preemption_disabled+0x48/0x290
[  590.441314]  ? lock_acquire+0x16f/0x3f0
[  590.445292]  ? kasan_check_read+0x11/0x20
[  590.449473]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  590.454672]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  590.460239]  bpf_test_run+0x10d/0x430
[  590.464151]  bpf_prog_test_run_skb+0x64b/0xb20
[  590.468735]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  590.473577]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  590.478443]  bpf_prog_test_run+0x129/0x1a0
[  590.482676]  __x64_sys_bpf+0x397/0x4c0
[  590.486554]  ? bpf_prog_get+0x20/0x20
[  590.490373]  ? do_syscall_64+0x26/0x620
[  590.494350]  ? lockdep_hardirqs_on+0x415/0x5d0
[  590.498931]  ? trace_hardirqs_on+0x67/0x220
[  590.503266]  do_syscall_64+0xfd/0x620
[  590.507078]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  590.512274] RIP: 0033:0x45b349
[  590.515522] Code: Bad RIP value.
[  590.518890] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  590.526597] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  590.534789] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  590.542063] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  590.549349] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  590.556620] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  590.564038] warn_alloc_show_mem: 1 callbacks suppressed
[  590.564049] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  590.564051] Mem-Info:
[  590.564081] active_anon:162126 inactive_anon:206 isolated_anon:0
[  590.564081]  active_file:14 inactive_file:11 isolated_file:0
[  590.564081]  unevictable:0 dirty:0 writeback:0 unstable:0
[  590.564081]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  590.564081]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  590.564081]  free:10931 free_pcp:206 free_cma:0
[  590.569414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  590.569438] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  590.576885] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  590.579395] Call Trace:
[  590.612473] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  590.621814]  <IRQ>
[  590.628923] 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
[  590.656711]  dump_stack+0x197/0x210
[  590.659274] lowmem_reserve[]: 0 2545 2546 2546 2546
[  590.685044]  warn_alloc.cold+0x7b/0x173
[  590.687185] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  590.713411]  ? zone_watermark_ok_safe+0x260/0x260
[  590.717012] lowmem_reserve[]: 0 0 1 1 1
[  590.722038]  ? __cpuset_node_allowed+0x136/0x540
[  590.725998] 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
[  590.754816]  ? __isolate_free_page+0x4c0/0x4c0
[  590.759639] lowmem_reserve[]: 0 0 0 0 0
[  590.763630]  ? wake_all_kswapds+0x14d/0x300
[  590.768360] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  590.794153]  __alloc_pages_slowpath+0x2214/0x2870
[  590.798706] lowmem_reserve[]: 0 0 0 0 0
[  590.802721]  ? warn_alloc+0x110/0x110
[  590.807016] 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
[  590.834660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.839633] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  590.843612]  ? should_fail+0x14d/0x85c
[  590.847394] 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
[  590.859892]  ? __isolate_free_page+0x4c0/0x4c0
[  590.865417] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  590.878794]  __alloc_pages_nodemask+0x617/0x750
[  590.882669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  590.893333]  ? __alloc_pages_slowpath+0x2870/0x2870
[  590.898073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  590.913690]  cache_grow_begin+0x91/0x8c0
[  590.918328] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  590.927170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.932166] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  590.940841]  ? __cpuset_node_allowed+0x136/0x540
[  590.944888] 281 total pagecache pages
[  590.953743]  fallback_alloc+0x1fd/0x2d0
[  590.959270] 0 pages in swap cache
[  590.967853]  ____cache_alloc_node+0x1be/0x1e0
[  590.972837] Swap cache stats: add 0, delete 0, find 0/0
[  590.972845] Free swap  = 0kB
[  590.976647]  kmem_cache_alloc_node+0xe3/0x710
[  590.980589] Total swap = 0kB
[  590.980600] 1965979 pages RAM
[  590.984056]  __alloc_skb+0xd5/0x5f0
[  590.988519] 0 pages HighMem/MovableOnly
[  590.988527] 341724 pages reserved
[  590.993889]  ? skb_trim+0x190/0x190
[  590.996883] 0 pages cma reserved
[  591.001633]  ? check_preemption_disabled+0x48/0x290
[  591.004689] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  591.007723]  ? lock_acquire+0x16f/0x3f0
[  591.007747]  new_skb+0x28/0x1d0
[  591.011406] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  591.015322]  aoecmd_cfg+0x1b5/0x640
[  591.018752] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  591.022373]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  591.068461]  ? timer_reduce+0x11d0/0x11d0
[  591.072624]  discover_timer+0x4e/0x60
[  591.076424]  call_timer_fn+0x18d/0x720
[  591.080307]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  591.084968]  ? process_timeout+0x40/0x40
[  591.089034]  ? run_timer_softirq+0x644/0x16a0
[  591.093788]  ? trace_hardirqs_on+0x67/0x220
[  591.098154]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  591.102822]  run_timer_softirq+0x64f/0x16a0
[  591.107144]  ? add_timer+0xbe0/0xbe0
[  591.110852]  ? __lock_is_held+0xb6/0x140
[  591.114923]  __do_softirq+0x25c/0x921
[  591.119883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.125430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.130973]  irq_exit+0x180/0x1d0
[  591.134432]  smp_apic_timer_interrupt+0x13b/0x550
[  591.139285]  apic_timer_interrupt+0xf/0x20
[  591.143522]  </IRQ>
[  591.145755] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  591.150679] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  591.169668] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  591.177501] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  591.184773] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  591.192049] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  591.199316] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  591.206586] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  591.213930]  ? mark_held_locks+0xb1/0x100
[  591.218102]  ? __netdev_alloc_skb+0x370/0x470
[  591.222617]  __build_skb+0x3e/0x310
[  591.226242]  __netdev_alloc_skb+0x2ba/0x470
[  591.230588]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  591.235430]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  591.240798]  ? find_held_lock+0x35/0x130
[  591.244877]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  591.249297]  ? check_preemption_disabled+0x48/0x290
[  591.254431]  ? prandom_u32_state+0x13/0x180
[  591.258772]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  591.263971]  ? kmem_cache_alloc+0x32a/0x700
[  591.268312]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  591.273339]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  591.279670]  process_one_work+0x989/0x1750
[  591.283906]  ? pwq_dec_nr_in_flight+0x320/0x320
[  591.288665]  ? lock_acquire+0x16f/0x3f0
[  591.292656]  ? kasan_check_write+0x14/0x20
[  591.296913]  ? do_raw_spin_lock+0xd7/0x250
[  591.301158]  worker_thread+0x98/0xe40
[  591.304965]  kthread+0x354/0x420
[  591.308382]  ? process_one_work+0x1750/0x1750
[  591.312883]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  591.318433]  ret_from_fork+0x24/0x30
[  591.322168] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  591.322200] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  591.329971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  591.329981] Call Trace:
[  591.336525] rcu: 	0-...!: (277 ticks this GP) idle=6ba/1/0x4000000000000002 softirq=62657/62659 fqs=0 
[  591.345568]  <IRQ>
[  591.345590]  dump_stack+0x197/0x210
[  591.345607]  warn_alloc.cold+0x7b/0x173
[  591.345620]  ? zone_watermark_ok_safe+0x260/0x260
[  591.345632]  ? __cpuset_node_allowed+0x136/0x540
[  591.345649]  ? __isolate_free_page+0x4c0/0x4c0
[  591.345661]  ? wake_all_kswapds+0x14d/0x300
[  591.345678]  __alloc_pages_slowpath+0x2214/0x2870
[  591.345706]  ? warn_alloc+0x110/0x110
[  591.345720]  ? __lock_acquire+0x6ee/0x49c0
[  591.345731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.345744]  ? should_fail+0x14d/0x85c
[  591.345758]  ? __isolate_free_page+0x4c0/0x4c0
[  591.345778]  __alloc_pages_nodemask+0x617/0x750
[  591.345794]  ? __alloc_pages_slowpath+0x2870/0x2870
[  591.345815]  ? find_held_lock+0x35/0x130
[  591.345835]  cache_grow_begin+0x91/0x8c0
[  591.345854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.345866]  ? __cpuset_node_allowed+0x136/0x540
[  591.345883]  fallback_alloc+0x1fd/0x2d0
[  591.345904]  ____cache_alloc_node+0x1be/0x1e0
[  591.345920]  kmem_cache_alloc_node+0xe3/0x710
[  591.348957] rcu: 	(detected by 1, t=10570 jiffies, g=58753, q=5)
[  591.358415]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  591.360554] Sending NMI from CPU 1 to CPUs 0:
[  591.364182]  __alloc_skb+0xd5/0x5f0
[  591.370500] NMI backtrace for cpu 0
[  591.370509] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  591.370516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  591.370524] RIP: 0010:format_decode+0x41d/0xbc0
[  591.370537] Code: 80 fd 25 0f 84 73 05 00 00 41 8d 45 a8 3c 20 0f 87 10 02 00 00 0f b6 c0 ff 24 c5 a8 6d 69 88 e8 89 10 1a fa 41 c6 44 24 05 08 <e8> 7e 10 1a fa 89 de bf 4c 00 00 00 e8 b2 11 1a fa 80 fb 4c 0f 84
[  591.370542] RSP: 0000:ffff8880ae806ee0 EFLAGS: 00000083
[  591.370551] RAX: 000000000000001d RBX: 000000000000006c RCX: ffffffff875104c2
[  591.370557] RDX: 0000000000000075 RSI: 0000000000000078 RDI: 0000000000000001
[  591.370563] RBP: ffff8880ae806f90 R08: ffff888095e9a340 R09: fffffbfff11f1711
[  591.370569] R10: fffffbfff11f1710 R11: ffffffff88f8b883 R12: ffff8880ae807010
[  591.370575] R13: 0000000000000075 R14: ffff8880ae806f68 R15: ffffffff87ab69a4
[  591.370582] FS:  00007f7326a43700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[  591.370587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  591.370593] CR2: 000000000045b31f CR3: 0000000099551000 CR4: 00000000001406f0
[  591.370599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  591.370605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  591.370608] Call Trace:
[  591.370611]  <IRQ>
[  591.370615]  ? enable_ptr_key_workfn+0x30/0x30
[  591.370620]  ? enable_ptr_key_workfn+0x30/0x30
[  591.370624]  vsnprintf+0x17e/0x19a0
[  591.370627]  ? pointer+0x970/0x970
[  591.370631]  ? mark_held_locks+0x100/0x100
[  591.370635]  snprintf+0xbb/0xf0
[  591.370638]  ? vsprintf+0x40/0x40
[  591.370643]  ? mark_held_locks+0x100/0x100
[  591.370647]  ? find_held_lock+0x35/0x130
[  591.370650]  ? down_trylock+0x4f/0x70
[  591.370654]  print_prefix+0x284/0x3f0
[  591.370658]  msg_print_text+0x83/0x1c0
[  591.370662]  ? do_raw_spin_lock+0xd7/0x250
[  591.370666]  console_unlock+0x3a5/0x10d0
[  591.370670]  vprintk_emit+0x280/0x6d0
[  591.370674]  vprintk_default+0x28/0x30
[  591.370677]  vprintk_func+0x7e/0x189
[  591.370681]  printk+0xba/0xed
[  591.370685]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  591.370690]  ? is_bpf_text_address+0xd3/0x170
[  591.370694]  ? __alloc_skb+0xd5/0x5f0
[  591.370698]  show_trace_log_lvl+0x23a/0x28c
[  591.370702]  ? __alloc_skb+0xd5/0x5f0
[  591.370706]  ? __alloc_skb+0xd5/0x5f0
[  591.370709]  show_stack+0x39/0x3b
[  591.370713]  dump_stack+0x197/0x210
[  591.370717]  warn_alloc.cold+0x7b/0x173
[  591.370721]  ? zone_watermark_ok_safe+0x260/0x260
[  591.370726]  ? __cpuset_node_allowed+0x136/0x540
[  591.370730]  ? __isolate_free_page+0x4c0/0x4c0
[  591.370735]  ? wake_all_kswapds+0x14d/0x300
[  591.370739]  __alloc_pages_slowpath+0x2214/0x2870
[  591.370743]  ? warn_alloc+0x110/0x110
[  591.370747]  ? __lock_acquire+0x6ee/0x49c0
[  591.370752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.370756]  ? should_fail+0x14d/0x85c
[  591.370760]  ? __isolate_free_page+0x4c0/0x4c0
[  591.370765]  __alloc_pages_nodemask+0x617/0x750
[  591.370769]  ? __alloc_pages_slowpath+0x2870/0x2870
[  591.370773]  ? find_held_lock+0x35/0x130
[  591.370777]  cache_grow_begin+0x91/0x8c0
[  591.370783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.370787]  ? __cpuset_node_allowed+0x136/0x540
[  591.370791]  fallback_alloc+0x1fd/0x2d0
[  591.370795]  ____cache_alloc_node+0x1be/0x1e0
[  591.370800]  kmem_cache_alloc_node+0xe3/0x710
[  591.370804]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  591.370808]  __alloc_skb+0xd5/0x5f0
[  591.370812]  ? skb_trim+0x190/0x190
[  591.370816]  ? kasan_check_read+0x11/0x20
[  591.370820]  ndisc_alloc_skb+0x13c/0x340
[  591.370824]  ndisc_send_rs+0x35f/0x6e0
[  591.370828]  addrconf_rs_timer+0x30f/0x680
[  591.370832]  ? ipv6_get_lladdr+0x490/0x490
[  591.370836]  call_timer_fn+0x18d/0x720
[  591.370840]  ? ipv6_get_lladdr+0x490/0x490
[  591.370844]  ? process_timeout+0x40/0x40
[  591.370849]  ? run_timer_softirq+0x644/0x16a0
[  591.370853]  ? trace_hardirqs_on+0x67/0x220
[  591.370857]  ? ipv6_get_lladdr+0x490/0x490
[  591.370861]  run_timer_softirq+0x64f/0x16a0
[  591.370865]  ? add_timer+0xbe0/0xbe0
[  591.370869]  ? __lock_is_held+0xb6/0x140
[  591.370873]  __do_softirq+0x25c/0x921
[  591.370878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.370883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.370887]  irq_exit+0x180/0x1d0
[  591.370891]  smp_apic_timer_interrupt+0x13b/0x550
[  591.370895]  apic_timer_interrupt+0xf/0x20
[  591.370898]  </IRQ>
[  591.370903] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  591.370932] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  591.370937] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  591.370948] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  591.370954] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  591.370960] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  591.370967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  591.370973] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  591.370977]  ? finish_task_switch+0x146/0x7c0
[  591.370981]  skb_clone+0x156/0x3e0
[  591.370985]  bpf_clone_redirect+0xb2/0x480
[  591.370989]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  591.370993]  ? mark_held_locks+0x100/0x100
[  591.370997]  ? __schedule+0x86e/0x1dc0
[  591.371001]  ? retint_kernel+0x2d/0x2d
[  591.371006]  ? firmware_map_remove+0x1a7/0x1a7
[  591.371010]  ? bpf_test_run+0x146/0x430
[  591.371015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.371019]  ? check_preemption_disabled+0x48/0x290
[  591.371023]  ? lock_acquire+0x16f/0x3f0
[  591.371027]  ? kasan_check_read+0x11/0x20
[  591.371032]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  591.371037]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  591.371041]  bpf_test_run+0x10d/0x430
[  591.371046]  bpf_prog_test_run_skb+0x64b/0xb20
[  591.371051]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  591.371055]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  591.371059]  bpf_prog_test_run+0x129/0x1a0
[  591.371063]  __x64_sys_bpf+0x397/0x4c0
[  591.371067]  ? bpf_prog_get+0x20/0x20
[  591.371071]  ? do_syscall_64+0x26/0x620
[  591.371075]  ? lockdep_hardirqs_on+0x415/0x5d0
[  591.371079]  ? trace_hardirqs_on+0x67/0x220
[  591.371084]  do_syscall_64+0xfd/0x620
[  591.371088]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  591.371092] RIP: 0033:0x45b349
[  591.371095] Code: Bad RIP value.
[  591.371100] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  591.371110] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  591.371116] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  591.371122] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  591.371128] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  591.371134] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  591.371154] rcu: rcu_preempt kthread starved for 10570 jiffies! g58753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  591.374314]  ? skb_trim+0x190/0x190
[  591.379044] rcu: RCU grace-period kthread stack dump:
[  591.379055] rcu_preempt     R  running task    29104    10      2 0x80000000
[  591.383639]  ? kasan_check_read+0x11/0x20
[  591.383666]  ndisc_alloc_skb+0x13c/0x340
[  591.387962] Call Trace:
[  591.392808]  ndisc_send_rs+0x35f/0x6e0
[  591.396611]  __schedule+0x866/0x1dc0
[  591.400837]  addrconf_rs_timer+0x30f/0x680
[  591.406371]  ? firmware_map_remove+0x1a7/0x1a7
[  591.410243]  ? ipv6_get_lladdr+0x490/0x490
[  591.414818]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[  591.419627]  call_timer_fn+0x18d/0x720
[  591.424645]  ? lockdep_hardirqs_on+0x415/0x5d0
[  591.428697]  ? ipv6_get_lladdr+0x490/0x490
[  591.432751]  ? trace_hardirqs_on+0x67/0x220
[  591.438292]  ? process_timeout+0x40/0x40
[  591.443045]  schedule+0x92/0x1c0
[  591.447006]  ? run_timer_softirq+0x644/0x16a0
[  591.447026]  ? trace_hardirqs_on+0x67/0x220
[  591.451518]  schedule_timeout+0x4db/0xfc0
[  591.456016]  ? ipv6_get_lladdr+0x490/0x490
[  591.462154]  ? usleep_range+0x170/0x170
[  591.466374]  run_timer_softirq+0x64f/0x16a0
[  591.470861]  ? trace_hardirqs_on+0x67/0x220
[  591.474486]  ? add_timer+0xbe0/0xbe0
[  591.478094]  ? __next_timer_interrupt+0x1a0/0x1a0
[  591.485898]  ? __lock_is_held+0xb6/0x140
[  591.495247]  ? prepare_to_swait_exclusive+0x120/0x120
[  591.499926]  __do_softirq+0x25c/0x921
[  591.518915]  rcu_gp_kthread+0xd5c/0x2190
[  591.524272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.531556]  ? rcu_blocking_is_gp+0x90/0x90
[  591.538808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.538835]  irq_exit+0x180/0x1d0
[  591.546274]  ? trace_hardirqs_on+0x67/0x220
[  591.553647]  smp_apic_timer_interrupt+0x13b/0x550
[  591.560913]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[  591.569135]  apic_timer_interrupt+0xf/0x20
[  591.575003]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  591.582263]  </IRQ>
[  591.589540]  ? __kthread_parkme+0xfb/0x1b0
[  591.596804] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  591.599375]  kthread+0x354/0x420
[  591.601521] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  591.606092]  ? rcu_blocking_is_gp+0x90/0x90
[  591.610646] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  591.614275]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  591.617813] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  591.622160]  ret_from_fork+0x24/0x30
[  591.625416] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  591.625428] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  591.629213] aoe: skb alloc failure
[  591.633195] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  591.633207] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  591.637346] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  591.641101]  ? finish_task_switch+0x146/0x7c0
[  591.644846] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  591.648743]  skb_clone+0x156/0x3e0
[  592.434212]  bpf_clone_redirect+0xb2/0x480
[  592.438456]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  592.443479]  ? mark_held_locks+0x100/0x100
[  592.447725]  ? __schedule+0x86e/0x1dc0
[  592.451616]  ? retint_kernel+0x2d/0x2d
[  592.455509]  ? firmware_map_remove+0x1a7/0x1a7
[  592.460103]  ? bpf_test_run+0x146/0x430
[  592.464096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.469727]  ? check_preemption_disabled+0x48/0x290
[  592.474746]  ? lock_acquire+0x16f/0x3f0
[  592.478721]  ? kasan_check_read+0x11/0x20
[  592.482875]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  592.488083]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  592.493628]  bpf_test_run+0x10d/0x430
[  592.497436]  bpf_prog_test_run_skb+0x64b/0xb20
[  592.502031]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  592.506893]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  592.511849]  bpf_prog_test_run+0x129/0x1a0
[  592.516080]  __x64_sys_bpf+0x397/0x4c0
[  592.519971]  ? bpf_prog_get+0x20/0x20
[  592.523772]  ? do_syscall_64+0x26/0x620
[  592.527757]  ? lockdep_hardirqs_on+0x415/0x5d0
[  592.532464]  ? trace_hardirqs_on+0x67/0x220
[  592.536798]  do_syscall_64+0xfd/0x620
[  592.540707]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  592.545898] RIP: 0033:0x45b349
[  592.549098] Code: Bad RIP value.
[  592.552464] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  592.560177] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  592.567442] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  592.574712] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  592.581981] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  592.589250] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  592.596547] warn_alloc_show_mem: 1 callbacks suppressed
[  592.596558] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  592.596560] Mem-Info:
[  592.596590] active_anon:162126 inactive_anon:206 isolated_anon:0
[  592.596590]  active_file:14 inactive_file:11 isolated_file:0
[  592.596590]  unevictable:0 dirty:0 writeback:0 unstable:0
[  592.596590]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  592.596590]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  592.596590]  free:10931 free_pcp:206 free_cma:0
[  592.601954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  592.609410] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  592.611829] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  592.645111] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  592.654455] Call Trace:
[  592.682135] 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
[  592.689233]  <IRQ>
[  592.714895] lowmem_reserve[]: 0 2545 2546 2546 2546
[  592.717496]  dump_stack+0x197/0x210
[  592.743730] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  592.745897]  warn_alloc.cold+0x7b/0x173
[  592.750892] lowmem_reserve[]: 0 0 1 1 1
[  592.754545]  ? zone_watermark_ok_safe+0x260/0x260
[  592.783443] 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
[  592.787447]  ? __cpuset_node_allowed+0x136/0x540
[  592.791433] lowmem_reserve[]: 0 0 0 0 0
[  592.796287]  ? __isolate_free_page+0x4c0/0x4c0
[  592.822117] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  592.827061]  ? wake_all_kswapds+0x14d/0x300
[  592.831004] lowmem_reserve[]: 0 0 0 0 0
[  592.835593]  __alloc_pages_slowpath+0x2214/0x2870
[  592.863075] 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
[  592.867550]  ? warn_alloc+0x110/0x110
[  592.871493] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  592.876350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  592.888814] 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
[  592.892617]  ? should_fail+0x14d/0x85c
[  592.905945] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  592.911501]  ? __isolate_free_page+0x4c0/0x4c0
[  592.922162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  592.926064]  __alloc_pages_nodemask+0x617/0x750
[  592.942817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  592.947403]  ? __alloc_pages_slowpath+0x2870/0x2870
[  592.956216] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  592.960898]  cache_grow_begin+0x91/0x8c0
[  592.969443] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  592.969453] 281 total pagecache pages
[  592.974482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.983307] 0 pages in swap cache
[  592.987366]  ? __cpuset_node_allowed+0x136/0x540
[  592.996016] Swap cache stats: add 0, delete 0, find 0/0
[  592.996026] Free swap  = 0kB
[  592.999830]  fallback_alloc+0x1fd/0x2d0
[  593.005380] Total swap = 0kB
[  593.005390] 1965979 pages RAM
[  593.008869]  ____cache_alloc_node+0x1be/0x1e0
[  593.013597] 0 pages HighMem/MovableOnly
[  593.013606] 341724 pages reserved
[  593.018991]  kmem_cache_alloc_node+0xe3/0x710
[  593.021993] 0 pages cma reserved
[  593.022243] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.313 msecs
[  593.025984]  __alloc_skb+0xd5/0x5f0
[  593.029035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  593.032075]  ? skb_trim+0x190/0x190
[  593.036672] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  593.040614]  ? check_preemption_disabled+0x48/0x290
[  593.044060] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  593.048542]  ? lock_acquire+0x16f/0x3f0
[  593.048567]  new_skb+0x28/0x1d0
[  593.102751]  aoecmd_cfg+0x1b5/0x640
[  593.106378]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  593.110707]  ? timer_reduce+0x11d0/0x11d0
[  593.114853]  discover_timer+0x4e/0x60
[  593.118662]  call_timer_fn+0x18d/0x720
[  593.122552]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  593.127223]  ? process_timeout+0x40/0x40
[  593.131293]  ? run_timer_softirq+0x644/0x16a0
[  593.135797]  ? trace_hardirqs_on+0x67/0x220
[  593.140124]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  593.144790]  run_timer_softirq+0x64f/0x16a0
[  593.149207]  ? add_timer+0xbe0/0xbe0
[  593.152920]  ? __lock_is_held+0xb6/0x140
[  593.156985]  __do_softirq+0x25c/0x921
[  593.160887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.166414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  593.171968]  irq_exit+0x180/0x1d0
[  593.175433]  smp_apic_timer_interrupt+0x13b/0x550
[  593.180272]  apic_timer_interrupt+0xf/0x20
[  593.184492]  </IRQ>
[  593.186723] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  593.191656] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  593.210557] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  593.218259] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  593.225635] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  593.232908] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  593.240179] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  593.247464] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  593.254787]  ? mark_held_locks+0xb1/0x100
[  593.258946]  ? __netdev_alloc_skb+0x370/0x470
[  593.263439]  __build_skb+0x3e/0x310
[  593.267059]  __netdev_alloc_skb+0x2ba/0x470
[  593.271397]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  593.276252]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  593.281637]  ? find_held_lock+0x35/0x130
[  593.285698]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  593.290101]  ? check_preemption_disabled+0x48/0x290
[  593.295212]  ? prandom_u32_state+0x13/0x180
[  593.299535]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  593.304753]  ? kmem_cache_alloc+0x32a/0x700
[  593.309163]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  593.314118]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  593.320472]  process_one_work+0x989/0x1750
[  593.324710]  ? pwq_dec_nr_in_flight+0x320/0x320
[  593.330333]  ? lock_acquire+0x16f/0x3f0
[  593.334312]  ? kasan_check_write+0x14/0x20
[  593.338550]  ? do_raw_spin_lock+0xd7/0x250
[  593.342803]  worker_thread+0x98/0xe40
[  593.346630]  kthread+0x354/0x420
[  593.350004]  ? process_one_work+0x1750/0x1750
[  593.354494]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  593.360055]  ret_from_fork+0x24/0x30
[  593.363789] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  593.363881] aoe: skb alloc failure
[  593.371675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  593.371685] Call Trace:
[  593.375309] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  593.384569]  <IRQ>
[  593.387152] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  593.398780]  dump_stack+0x197/0x210
[  593.409487]  warn_alloc.cold+0x7b/0x173
[  593.413475]  ? zone_watermark_ok_safe+0x260/0x260
[  593.418342]  ? __cpuset_node_allowed+0x136/0x540
[  593.423103]  ? __isolate_free_page+0x4c0/0x4c0
[  593.427679]  ? wake_all_kswapds+0x14d/0x300
[  593.432013]  __alloc_pages_slowpath+0x2214/0x2870
[  593.436986]  ? warn_alloc+0x110/0x110
[  593.440782]  ? __lock_acquire+0x6ee/0x49c0
[  593.445018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  593.450558]  ? should_fail+0x14d/0x85c
[  593.454569]  ? __isolate_free_page+0x4c0/0x4c0
[  593.459160]  __alloc_pages_nodemask+0x617/0x750
[  593.463834]  ? __alloc_pages_slowpath+0x2870/0x2870
[  593.468855]  ? find_held_lock+0x35/0x130
[  593.472916]  cache_grow_begin+0x91/0x8c0
[  593.476977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.482531]  ? __cpuset_node_allowed+0x136/0x540
[  593.487290]  fallback_alloc+0x1fd/0x2d0
[  593.491281]  ____cache_alloc_node+0x1be/0x1e0
[  593.495786]  kmem_cache_alloc_node+0xe3/0x710
[  593.500283]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  593.504657]  __alloc_skb+0xd5/0x5f0
[  593.508294]  ? skb_trim+0x190/0x190
[  593.511921]  ? kasan_check_read+0x11/0x20
[  593.516187]  ndisc_alloc_skb+0x13c/0x340
[  593.520243]  ndisc_send_rs+0x35f/0x6e0
[  593.524236]  addrconf_rs_timer+0x30f/0x680
[  593.528468]  ? ipv6_get_lladdr+0x490/0x490
[  593.532716]  call_timer_fn+0x18d/0x720
[  593.537676]  ? ipv6_get_lladdr+0x490/0x490
[  593.542041]  ? process_timeout+0x40/0x40
[  593.546103]  ? run_timer_softirq+0x644/0x16a0
[  593.550606]  ? trace_hardirqs_on+0x67/0x220
[  593.554938]  ? ipv6_get_lladdr+0x490/0x490
[  593.559179]  run_timer_softirq+0x64f/0x16a0
[  593.563502]  ? add_timer+0xbe0/0xbe0
[  593.567219]  ? __lock_is_held+0xb6/0x140
[  593.571299]  __do_softirq+0x25c/0x921
[  593.575111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.580640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.586374]  irq_exit+0x180/0x1d0
[  593.589828]  smp_apic_timer_interrupt+0x13b/0x550
[  593.594665]  apic_timer_interrupt+0xf/0x20
[  593.598895]  </IRQ>
[  593.601241] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  593.606165] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  593.625177] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  593.632890] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  593.640158] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  593.647434] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  593.654705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  593.661984] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  593.669292]  ? finish_task_switch+0x146/0x7c0
[  593.673786]  skb_clone+0x156/0x3e0
[  593.677484]  bpf_clone_redirect+0xb2/0x480
[  593.681727]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  593.686768]  ? mark_held_locks+0x100/0x100
[  593.691026]  ? __schedule+0x86e/0x1dc0
[  593.694906]  ? retint_kernel+0x2d/0x2d
[  593.698793]  ? firmware_map_remove+0x1a7/0x1a7
[  593.703385]  ? bpf_test_run+0x146/0x430
[  593.707370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.712913]  ? check_preemption_disabled+0x48/0x290
[  593.717921]  ? lock_acquire+0x16f/0x3f0
[  593.721914]  ? kasan_check_read+0x11/0x20
[  593.726073]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  593.731260]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  593.736794]  bpf_test_run+0x10d/0x430
[  593.740730]  bpf_prog_test_run_skb+0x64b/0xb20
[  593.745427]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  593.750284]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  593.755122]  bpf_prog_test_run+0x129/0x1a0
[  593.759352]  __x64_sys_bpf+0x397/0x4c0
[  593.763259]  ? bpf_prog_get+0x20/0x20
[  593.767076]  ? do_syscall_64+0x26/0x620
[  593.771069]  ? lockdep_hardirqs_on+0x415/0x5d0
[  593.775648]  ? trace_hardirqs_on+0x67/0x220
[  593.779982]  do_syscall_64+0xfd/0x620
[  593.783783]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  593.788971] RIP: 0033:0x45b349
[  593.792172] Code: Bad RIP value.
[  593.795527] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  593.803224] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  593.811882] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  593.819268] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  593.826548] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  593.833908] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  593.841206] warn_alloc_show_mem: 1 callbacks suppressed
[  593.841217] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  593.841219] Mem-Info:
[  593.841249] active_anon:162126 inactive_anon:206 isolated_anon:0
[  593.841249]  active_file:14 inactive_file:11 isolated_file:0
[  593.841249]  unevictable:0 dirty:0 writeback:0 unstable:0
[  593.841249]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  593.841249]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  593.841249]  free:10931 free_pcp:206 free_cma:0
[  593.846583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  593.846609] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  593.854064] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  593.856460] Call Trace:
[  593.889719] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  593.899066]  <IRQ>
[  593.906155] 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
[  593.933755]  dump_stack+0x197/0x210
[  593.936315] lowmem_reserve[]: 0 2545 2546 2546 2546
[  593.962712]  warn_alloc.cold+0x7b/0x173
[  593.964847] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  593.991080]  ? zone_watermark_ok_safe+0x260/0x260
[  593.994690] lowmem_reserve[]: 0 0 1 1 1
[  593.999819]  ? __cpuset_node_allowed+0x136/0x540
[  594.003789] 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
[  594.032618]  ? __isolate_free_page+0x4c0/0x4c0
[  594.037543] lowmem_reserve[]: 0 0 0 0 0
[  594.041618]  ? wake_all_kswapds+0x14d/0x300
[  594.046360] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  594.072347]  __alloc_pages_slowpath+0x2214/0x2870
[  594.076894] lowmem_reserve[]: 0 0 0 0 0
[  594.080900]  ? warn_alloc+0x110/0x110
[  594.085188] 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
[  594.112700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.117547] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  594.121535]  ? should_fail+0x14d/0x85c
[  594.125310] 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
[  594.137800]  ? __isolate_free_page+0x4c0/0x4c0
[  594.143320] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  594.156693]  __alloc_pages_nodemask+0x617/0x750
[  594.160552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  594.171216]  ? __alloc_pages_slowpath+0x2870/0x2870
[  594.175781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  594.191496]  cache_grow_begin+0x91/0x8c0
[  594.196220] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  594.196236] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  594.205076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.210075] 281 total pagecache pages
[  594.218651]  ? __cpuset_node_allowed+0x136/0x540
[  594.222711] 0 pages in swap cache
[  594.231553]  fallback_alloc+0x1fd/0x2d0
[  594.240111] Swap cache stats: add 0, delete 0, find 0/0
[  594.240121] Free swap  = 0kB
[  594.245674]  ____cache_alloc_node+0x1be/0x1e0
[  594.249446] Total swap = 0kB
[  594.249456] 1965979 pages RAM
[  594.254219]  kmem_cache_alloc_node+0xe3/0x710
[  594.257644] 0 pages HighMem/MovableOnly
[  594.257672] 341724 pages reserved
[  594.261636]  __alloc_skb+0xd5/0x5f0
[  594.266960] 0 pages cma reserved
[  594.267041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  594.270000]  ? skb_trim+0x190/0x190
[  594.274576] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  594.277508]  ? check_preemption_disabled+0x48/0x290
[  594.280585] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  594.285078]  ? lock_acquire+0x16f/0x3f0
[  594.285101]  new_skb+0x28/0x1d0
[  594.337915]  aoecmd_cfg+0x1b5/0x640
[  594.341561]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  594.345895]  ? timer_reduce+0x11d0/0x11d0
[  594.350057]  discover_timer+0x4e/0x60
[  594.353860]  call_timer_fn+0x18d/0x720
[  594.357739]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  594.362412]  ? process_timeout+0x40/0x40
[  594.366481]  ? run_timer_softirq+0x644/0x16a0
[  594.371000]  ? trace_hardirqs_on+0x67/0x220
[  594.375331]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  594.379995]  run_timer_softirq+0x64f/0x16a0
[  594.384331]  ? add_timer+0xbe0/0xbe0
[  594.388043]  ? __lock_is_held+0xb6/0x140
[  594.392106]  __do_softirq+0x25c/0x921
[  594.395911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.401549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.407090]  irq_exit+0x180/0x1d0
[  594.410554]  smp_apic_timer_interrupt+0x13b/0x550
[  594.415407]  apic_timer_interrupt+0xf/0x20
[  594.419641]  </IRQ>
[  594.421873] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  594.426792] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  594.445776] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  594.453478] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  594.460884] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  594.468279] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  594.475550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  594.482829] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  594.490117]  ? mark_held_locks+0xb1/0x100
[  594.494267]  ? __netdev_alloc_skb+0x370/0x470
[  594.498773]  __build_skb+0x3e/0x310
[  594.502409]  __netdev_alloc_skb+0x2ba/0x470
[  594.506733]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  594.511567]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  594.516937]  ? find_held_lock+0x35/0x130
[  594.521115]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  594.525642]  ? check_preemption_disabled+0x48/0x290
[  594.530655]  ? prandom_u32_state+0x13/0x180
[  594.534974]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  594.540181]  ? kmem_cache_alloc+0x32a/0x700
[  594.544515]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  594.549473]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  594.555798]  process_one_work+0x989/0x1750
[  594.560042]  ? pwq_dec_nr_in_flight+0x320/0x320
[  594.564713]  ? lock_acquire+0x16f/0x3f0
[  594.568693]  ? kasan_check_write+0x14/0x20
[  594.572941]  ? do_raw_spin_lock+0xd7/0x250
[  594.577191]  worker_thread+0x98/0xe40
[  594.580997]  kthread+0x354/0x420
[  594.584368]  ? process_one_work+0x1750/0x1750
[  594.588860]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  594.594399]  ret_from_fork+0x24/0x30
[  594.598200] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  594.598241] aoe: skb alloc failure
[  594.606024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  594.606029] Call Trace:
[  594.606036]  <IRQ>
[  594.606054]  dump_stack+0x197/0x210
[  594.606073]  warn_alloc.cold+0x7b/0x173
[  594.606087]  ? zone_watermark_ok_safe+0x260/0x260
[  594.606107]  ? __cpuset_node_allowed+0x136/0x540
[  594.609664] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  594.618999]  ? __isolate_free_page+0x4c0/0x4c0
[  594.621553] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  594.623714]  ? wake_all_kswapds+0x14d/0x300
[  594.665251]  __alloc_pages_slowpath+0x2214/0x2870
[  594.670116]  ? warn_alloc+0x110/0x110
[  594.673910]  ? __lock_acquire+0x6ee/0x49c0
[  594.678147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.683702]  ? should_fail+0x14d/0x85c
[  594.687606]  ? __isolate_free_page+0x4c0/0x4c0
[  594.692200]  __alloc_pages_nodemask+0x617/0x750
[  594.696898]  ? __alloc_pages_slowpath+0x2870/0x2870
[  594.701917]  ? find_held_lock+0x35/0x130
[  594.706111]  cache_grow_begin+0x91/0x8c0
[  594.710217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.715768]  ? __cpuset_node_allowed+0x136/0x540
[  594.720620]  fallback_alloc+0x1fd/0x2d0
[  594.724654]  ____cache_alloc_node+0x1be/0x1e0
[  594.729165]  kmem_cache_alloc_node+0xe3/0x710
[  594.733671]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  594.737918]  __alloc_skb+0xd5/0x5f0
[  594.741556]  ? skb_trim+0x190/0x190
[  594.745183]  ? kasan_check_read+0x11/0x20
[  594.749336]  ndisc_alloc_skb+0x13c/0x340
[  594.753394]  ndisc_send_rs+0x35f/0x6e0
[  594.757291]  addrconf_rs_timer+0x30f/0x680
[  594.761524]  ? ipv6_get_lladdr+0x490/0x490
[  594.765772]  call_timer_fn+0x18d/0x720
[  594.769672]  ? ipv6_get_lladdr+0x490/0x490
[  594.773912]  ? process_timeout+0x40/0x40
[  594.777967]  ? run_timer_softirq+0x644/0x16a0
[  594.782458]  ? trace_hardirqs_on+0x67/0x220
[  594.786785]  ? ipv6_get_lladdr+0x490/0x490
[  594.791019]  run_timer_softirq+0x64f/0x16a0
[  594.795341]  ? add_timer+0xbe0/0xbe0
[  594.799055]  ? __lock_is_held+0xb6/0x140
[  594.803134]  __do_softirq+0x25c/0x921
[  594.806936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.812489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.818121]  irq_exit+0x180/0x1d0
[  594.821572]  smp_apic_timer_interrupt+0x13b/0x550
[  594.826428]  apic_timer_interrupt+0xf/0x20
[  594.830686]  </IRQ>
[  594.832938] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  594.837861] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  594.856766] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  594.864478] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  594.871763] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  594.879026] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  594.886295] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  594.893575] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  594.900865]  ? finish_task_switch+0x146/0x7c0
[  594.905371]  skb_clone+0x156/0x3e0
[  594.908909]  bpf_clone_redirect+0xb2/0x480
[  594.913154]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  594.918182]  ? mark_held_locks+0x100/0x100
[  594.922425]  ? __schedule+0x86e/0x1dc0
[  594.926324]  ? retint_kernel+0x2d/0x2d
[  594.930223]  ? firmware_map_remove+0x1a7/0x1a7
[  594.934817]  ? bpf_test_run+0x146/0x430
[  594.938800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.944344]  ? check_preemption_disabled+0x48/0x290
[  594.949798]  ? lock_acquire+0x16f/0x3f0
[  594.953776]  ? kasan_check_read+0x11/0x20
[  594.957932]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  594.963124]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  594.968663]  bpf_test_run+0x10d/0x430
[  594.972489]  bpf_prog_test_run_skb+0x64b/0xb20
[  594.977092]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  594.981932]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  594.986866]  bpf_prog_test_run+0x129/0x1a0
[  594.991098]  __x64_sys_bpf+0x397/0x4c0
[  594.994990]  ? bpf_prog_get+0x20/0x20
[  594.998815]  ? do_syscall_64+0x26/0x620
[  595.002902]  ? lockdep_hardirqs_on+0x415/0x5d0
[  595.007496]  ? trace_hardirqs_on+0x67/0x220
[  595.011824]  do_syscall_64+0xfd/0x620
[  595.015621]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  595.020814] RIP: 0033:0x45b349
[  595.024116] Code: Bad RIP value.
[  595.027489] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  595.035199] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  595.042478] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  595.049747] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  595.057009] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  595.064359] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  595.071656] warn_alloc_show_mem: 1 callbacks suppressed
[  595.071666] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  595.071668] Mem-Info:
[  595.071698] active_anon:162126 inactive_anon:206 isolated_anon:0
[  595.071698]  active_file:14 inactive_file:11 isolated_file:0
[  595.071698]  unevictable:0 dirty:0 writeback:0 unstable:0
[  595.071698]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  595.071698]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  595.071698]  free:10931 free_pcp:206 free_cma:0
[  595.077036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  595.077062] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  595.084506] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  595.087103] Call Trace:
[  595.120259] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  595.129592]  <IRQ>
[  595.136680] 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
[  595.164366]  dump_stack+0x197/0x210
[  595.166929] lowmem_reserve[]: 0 2545 2546 2546 2546
[  595.192639]  warn_alloc.cold+0x7b/0x173
[  595.194774] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  595.220910]  ? zone_watermark_ok_safe+0x260/0x260
[  595.224643] lowmem_reserve[]: 0 0 1 1 1
[  595.229687]  ? __cpuset_node_allowed+0x136/0x540
[  595.233669] 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
[  595.262848]  ? __isolate_free_page+0x4c0/0x4c0
[  595.267659] lowmem_reserve[]: 0 0 0 0 0
[  595.271660]  ? wake_all_kswapds+0x14d/0x300
[  595.276395] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  595.302176]  __alloc_pages_slowpath+0x2214/0x2870
[  595.306727] lowmem_reserve[]: 0 0 0 0 0
[  595.310724]  ? warn_alloc+0x110/0x110
[  595.315008] 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
[  595.342531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.347361] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  595.351340]  ? should_fail+0x14d/0x85c
[  595.355127] 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
[  595.367622]  ? __isolate_free_page+0x4c0/0x4c0
[  595.373134] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  595.386604]  __alloc_pages_nodemask+0x617/0x750
[  595.390473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  595.401143]  ? __alloc_pages_slowpath+0x2870/0x2870
[  595.405705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  595.421499]  cache_grow_begin+0x91/0x8c0
[  595.426141] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  595.434964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.439960] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  595.439970] 281 total pagecache pages
[  595.448562]  ? __cpuset_node_allowed+0x136/0x540
[  595.452602] 0 pages in swap cache
[  595.461438]  fallback_alloc+0x1fd/0x2d0
[  595.466956] Swap cache stats: add 0, delete 0, find 0/0
[  595.466965] Free swap  = 0kB
[  595.475549]  ____cache_alloc_node+0x1be/0x1e0
[  595.479432] Total swap = 0kB
[  595.484191]  kmem_cache_alloc_node+0xe3/0x710
[  595.487625] 1965979 pages RAM
[  595.487630] 0 pages HighMem/MovableOnly
[  595.487634] 341724 pages reserved
[  595.487637] 0 pages cma reserved
[  595.487709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  595.491633]  __alloc_skb+0xd5/0x5f0
[  595.497034] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  595.499968]  ? skb_trim+0x190/0x190
[  595.504452] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  595.507486]  ? check_preemption_disabled+0x48/0x290
[  595.560567]  ? lock_acquire+0x16f/0x3f0
[  595.564557]  new_skb+0x28/0x1d0
[  595.567893]  aoecmd_cfg+0x1b5/0x640
[  595.571522]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  595.575847]  ? timer_reduce+0x11d0/0x11d0
[  595.579997]  discover_timer+0x4e/0x60
[  595.583825]  call_timer_fn+0x18d/0x720
[  595.587718]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  595.592384]  ? process_timeout+0x40/0x40
[  595.596447]  ? run_timer_softirq+0x644/0x16a0
[  595.600963]  ? trace_hardirqs_on+0x67/0x220
[  595.605299]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  595.609965]  run_timer_softirq+0x64f/0x16a0
[  595.614294]  ? add_timer+0xbe0/0xbe0
[  595.618016]  ? __lock_is_held+0xb6/0x140
[  595.622079]  __do_softirq+0x25c/0x921
[  595.626137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.631664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.637342]  irq_exit+0x180/0x1d0
[  595.640790]  smp_apic_timer_interrupt+0x13b/0x550
[  595.645809]  apic_timer_interrupt+0xf/0x20
[  595.650034]  </IRQ>
[  595.652410] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  595.657463] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  595.676376] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  595.684097] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  595.691481] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  595.698759] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  595.706029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  595.713324] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  595.720641]  ? mark_held_locks+0xb1/0x100
[  595.724818]  ? __netdev_alloc_skb+0x370/0x470
[  595.729329]  __build_skb+0x3e/0x310
[  595.732983]  __netdev_alloc_skb+0x2ba/0x470
[  595.737310]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  595.742164]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  595.747539]  ? find_held_lock+0x35/0x130
[  595.751613]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  595.756134]  ? check_preemption_disabled+0x48/0x290
[  595.761152]  ? prandom_u32_state+0x13/0x180
[  595.765479]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  595.770688]  ? kmem_cache_alloc+0x32a/0x700
[  595.775013]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  595.779959]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  595.786301]  process_one_work+0x989/0x1750
[  595.790552]  ? pwq_dec_nr_in_flight+0x320/0x320
[  595.795235]  ? lock_acquire+0x16f/0x3f0
[  595.799421]  ? kasan_check_write+0x14/0x20
[  595.803658]  ? do_raw_spin_lock+0xd7/0x250
[  595.807915]  worker_thread+0x98/0xe40
[  595.811736]  kthread+0x354/0x420
[  595.815104]  ? process_one_work+0x1750/0x1750
[  595.819621]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  595.825192]  ret_from_fork+0x24/0x30
[  595.828933] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  595.828994] aoe: skb alloc failure
[  595.836739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  595.836744] Call Trace:
[  595.836751]  <IRQ>
[  595.836770]  dump_stack+0x197/0x210
[  595.836789]  warn_alloc.cold+0x7b/0x173
[  595.836803]  ? zone_watermark_ok_safe+0x260/0x260
[  595.836820]  ? __cpuset_node_allowed+0x136/0x540
[  595.840376] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  595.849733]  ? __isolate_free_page+0x4c0/0x4c0
[  595.852298] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  595.854446]  ? wake_all_kswapds+0x14d/0x300
[  595.896047]  __alloc_pages_slowpath+0x2214/0x2870
[  595.901265]  ? warn_alloc+0x110/0x110
[  595.905226]  ? __lock_acquire+0x6ee/0x49c0
[  595.909574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.915107]  ? should_fail+0x14d/0x85c
[  595.919008]  ? __isolate_free_page+0x4c0/0x4c0
[  595.923611]  __alloc_pages_nodemask+0x617/0x750
[  595.928298]  ? __alloc_pages_slowpath+0x2870/0x2870
[  595.933329]  ? find_held_lock+0x35/0x130
[  595.937669]  cache_grow_begin+0x91/0x8c0
[  595.941747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.947306]  ? __cpuset_node_allowed+0x136/0x540
[  595.952082]  fallback_alloc+0x1fd/0x2d0
[  595.956072]  ____cache_alloc_node+0x1be/0x1e0
[  595.960565]  kmem_cache_alloc_node+0xe3/0x710
[  595.965165]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  595.969403]  __alloc_skb+0xd5/0x5f0
[  595.973226]  ? skb_trim+0x190/0x190
[  595.976955]  ? kasan_check_read+0x11/0x20
[  595.981130]  ndisc_alloc_skb+0x13c/0x340
[  595.985213]  ndisc_send_rs+0x35f/0x6e0
[  595.989147]  addrconf_rs_timer+0x30f/0x680
[  595.993504]  ? ipv6_get_lladdr+0x490/0x490
[  595.998015]  call_timer_fn+0x18d/0x720
[  596.001903]  ? ipv6_get_lladdr+0x490/0x490
[  596.006151]  ? process_timeout+0x40/0x40
[  596.010213]  ? run_timer_softirq+0x644/0x16a0
[  596.014726]  ? trace_hardirqs_on+0x67/0x220
[  596.019103]  ? ipv6_get_lladdr+0x490/0x490
[  596.023336]  run_timer_softirq+0x64f/0x16a0
[  596.027661]  ? add_timer+0xbe0/0xbe0
[  596.031476]  ? __lock_is_held+0xb6/0x140
[  596.035549]  __do_softirq+0x25c/0x921
[  596.039356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.045041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.050596]  irq_exit+0x180/0x1d0
[  596.054140]  smp_apic_timer_interrupt+0x13b/0x550
[  596.059012]  apic_timer_interrupt+0xf/0x20
[  596.063273]  </IRQ>
[  596.065537] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  596.070478] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  596.095384] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  596.103101] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  596.110469] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  596.117851] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  596.125135] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  596.132401] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  596.139716]  ? finish_task_switch+0x146/0x7c0
[  596.144227]  skb_clone+0x156/0x3e0
[  596.147787]  bpf_clone_redirect+0xb2/0x480
[  596.152237]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  596.157289]  ? mark_held_locks+0x100/0x100
[  596.161549]  ? __schedule+0x86e/0x1dc0
[  596.165442]  ? retint_kernel+0x2d/0x2d
[  596.169343]  ? firmware_map_remove+0x1a7/0x1a7
[  596.173947]  ? bpf_test_run+0x146/0x430
[  596.178060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.183897]  ? check_preemption_disabled+0x48/0x290
[  596.189027]  ? lock_acquire+0x16f/0x3f0
[  596.193015]  ? kasan_check_read+0x11/0x20
[  596.197161]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  596.202356]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  596.207901]  bpf_test_run+0x10d/0x430
[  596.211837]  bpf_prog_test_run_skb+0x64b/0xb20
[  596.216426]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  596.221266]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  596.226152]  bpf_prog_test_run+0x129/0x1a0
[  596.230414]  __x64_sys_bpf+0x397/0x4c0
[  596.234408]  ? bpf_prog_get+0x20/0x20
[  596.238212]  ? do_syscall_64+0x26/0x620
[  596.242194]  ? lockdep_hardirqs_on+0x415/0x5d0
[  596.246775]  ? trace_hardirqs_on+0x67/0x220
[  596.251108]  do_syscall_64+0xfd/0x620
[  596.254920]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  596.260128] RIP: 0033:0x45b349
[  596.263342] Code: Bad RIP value.
[  596.266818] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  596.274527] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  596.281792] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  596.289142] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  596.296603] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  596.303874] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  596.311247] warn_alloc_show_mem: 1 callbacks suppressed
[  596.311257] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  596.311259] Mem-Info:
[  596.311290] active_anon:162126 inactive_anon:206 isolated_anon:0
[  596.311290]  active_file:14 inactive_file:11 isolated_file:0
[  596.311290]  unevictable:0 dirty:0 writeback:0 unstable:0
[  596.311290]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  596.311290]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  596.311290]  free:10931 free_pcp:206 free_cma:0
[  596.316635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  596.324103] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  596.326514] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  596.360117] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  596.369465] Call Trace:
[  596.397158] 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
[  596.404684]  <IRQ>
[  596.430484] lowmem_reserve[]: 0 2545 2546 2546 2546
[  596.433074]  dump_stack+0x197/0x210
[  596.459295] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  596.461516]  warn_alloc.cold+0x7b/0x173
[  596.466533] lowmem_reserve[]: 0 0 1 1 1
[  596.470182]  ? zone_watermark_ok_safe+0x260/0x260
[  596.499336] 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
[  596.503382]  ? __cpuset_node_allowed+0x136/0x540
[  596.507350] lowmem_reserve[]: 0 0 0 0 0
[  596.512209]  ? __isolate_free_page+0x4c0/0x4c0
[  596.540117] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  596.544897]  ? wake_all_kswapds+0x14d/0x300
[  596.548841] lowmem_reserve[]: 0 0 0 0 0
[  596.553457]  __alloc_pages_slowpath+0x2214/0x2870
[  596.580973] 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
[  596.585327]  ? warn_alloc+0x110/0x110
[  596.590940] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  596.595804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  596.608288] 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
[  596.612480]  ? should_fail+0x14d/0x85c
[  596.626016] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  596.631847]  ? __isolate_free_page+0x4c0/0x4c0
[  596.642627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  596.646639]  __alloc_pages_nodemask+0x617/0x750
[  596.662230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  596.666843]  ? __alloc_pages_slowpath+0x2870/0x2870
[  596.675673] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  596.680359]  cache_grow_begin+0x91/0x8c0
[  596.688916] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  596.693978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.702810] 281 total pagecache pages
[  596.706887]  ? __cpuset_node_allowed+0x136/0x540
[  596.715728] 0 pages in swap cache
[  596.721411]  fallback_alloc+0x1fd/0x2d0
[  596.725219] Swap cache stats: add 0, delete 0, find 0/0
[  596.729990]  ____cache_alloc_node+0x1be/0x1e0
[  596.733599] Free swap  = 0kB
[  596.737764]  kmem_cache_alloc_node+0xe3/0x710
[  596.743114] Total swap = 0kB
[  596.747627]  __alloc_skb+0xd5/0x5f0
[  596.750626] 1965979 pages RAM
[  596.755387]  ? skb_trim+0x190/0x190
[  596.758427] 0 pages HighMem/MovableOnly
[  596.758437] 341724 pages reserved
[  596.762063]  ? check_preemption_disabled+0x48/0x290
[  596.765143] 0 pages cma reserved
[  596.765213] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  596.768771]  ? lock_acquire+0x16f/0x3f0
[  596.768794]  new_skb+0x28/0x1d0
[  596.772808] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  596.776226]  aoecmd_cfg+0x1b5/0x640
[  596.781228] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  596.784622]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  596.822908]  ? timer_reduce+0x11d0/0x11d0
[  596.827075]  discover_timer+0x4e/0x60
[  596.830965]  call_timer_fn+0x18d/0x720
[  596.834949]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  596.839641]  ? process_timeout+0x40/0x40
[  596.843763]  ? run_timer_softirq+0x644/0x16a0
[  596.848269]  ? trace_hardirqs_on+0x67/0x220
[  596.852872]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  596.857649]  run_timer_softirq+0x64f/0x16a0
[  596.861989]  ? add_timer+0xbe0/0xbe0
[  596.865717]  ? __lock_is_held+0xb6/0x140
[  596.870095]  __do_softirq+0x25c/0x921
[  596.873901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.879551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  596.885206]  irq_exit+0x180/0x1d0
[  596.888668]  smp_apic_timer_interrupt+0x13b/0x550
[  596.893607]  apic_timer_interrupt+0xf/0x20
[  596.898041]  </IRQ>
[  596.900394] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  596.906755] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  596.926275] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  596.933986] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  596.941386] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  596.948670] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  596.956226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  596.963494] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  596.970902]  ? mark_held_locks+0xb1/0x100
[  596.975136]  ? __netdev_alloc_skb+0x370/0x470
[  596.979761]  __build_skb+0x3e/0x310
[  596.983406]  __netdev_alloc_skb+0x2ba/0x470
[  596.987755]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  596.992593]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  596.997971]  ? find_held_lock+0x35/0x130
[  597.002067]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  597.006495]  ? check_preemption_disabled+0x48/0x290
[  597.011522]  ? prandom_u32_state+0x13/0x180
[  597.015980]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  597.021174]  ? kmem_cache_alloc+0x32a/0x700
[  597.025533]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  597.030735]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  597.037066]  process_one_work+0x989/0x1750
[  597.041310]  ? pwq_dec_nr_in_flight+0x320/0x320
[  597.046073]  ? lock_acquire+0x16f/0x3f0
[  597.050063]  ? kasan_check_write+0x14/0x20
[  597.054305]  ? do_raw_spin_lock+0xd7/0x250
[  597.058635]  worker_thread+0x98/0xe40
[  597.062468]  kthread+0x354/0x420
[  597.065836]  ? process_one_work+0x1750/0x1750
[  597.070346]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  597.075963]  ret_from_fork+0x24/0x30
[  597.079696] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  597.079753] aoe: skb alloc failure
[  597.087505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  597.087510] Call Trace:
[  597.087516]  <IRQ>
[  597.087534]  dump_stack+0x197/0x210
[  597.087553]  warn_alloc.cold+0x7b/0x173
[  597.087570]  ? zone_watermark_ok_safe+0x260/0x260
[  597.091122] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  597.101152]  ? __cpuset_node_allowed+0x136/0x540
[  597.103715] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  597.105901]  ? __isolate_free_page+0x4c0/0x4c0
[  597.143197]  ? wake_all_kswapds+0x14d/0x300
[  597.147982]  __alloc_pages_slowpath+0x2214/0x2870
[  597.152853]  ? warn_alloc+0x110/0x110
[  597.156648]  ? __lock_acquire+0x6ee/0x49c0
[  597.161030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  597.166574]  ? should_fail+0x14d/0x85c
[  597.170485]  ? __isolate_free_page+0x4c0/0x4c0
[  597.175085]  __alloc_pages_nodemask+0x617/0x750
[  597.179762]  ? __alloc_pages_slowpath+0x2870/0x2870
[  597.184797]  ? find_held_lock+0x35/0x130
[  597.188867]  cache_grow_begin+0x91/0x8c0
[  597.192939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.198467]  ? __cpuset_node_allowed+0x136/0x540
[  597.203229]  fallback_alloc+0x1fd/0x2d0
[  597.207215]  ____cache_alloc_node+0x1be/0x1e0
[  597.211721]  kmem_cache_alloc_node+0xe3/0x710
[  597.216219]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  597.220501]  __alloc_skb+0xd5/0x5f0
[  597.224146]  ? skb_trim+0x190/0x190
[  597.227768]  ? kasan_check_read+0x11/0x20
[  597.232044]  ndisc_alloc_skb+0x13c/0x340
[  597.236104]  ndisc_send_rs+0x35f/0x6e0
[  597.240025]  addrconf_rs_timer+0x30f/0x680
[  597.244272]  ? ipv6_get_lladdr+0x490/0x490
[  597.248510]  call_timer_fn+0x18d/0x720
[  597.252401]  ? ipv6_get_lladdr+0x490/0x490
[  597.256641]  ? process_timeout+0x40/0x40
[  597.260694]  ? run_timer_softirq+0x644/0x16a0
[  597.265198]  ? trace_hardirqs_on+0x67/0x220
[  597.269545]  ? ipv6_get_lladdr+0x490/0x490
[  597.273963]  run_timer_softirq+0x64f/0x16a0
[  597.278290]  ? add_timer+0xbe0/0xbe0
[  597.282000]  ? __lock_is_held+0xb6/0x140
[  597.286085]  __do_softirq+0x25c/0x921
[  597.289883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.295545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.301103]  irq_exit+0x180/0x1d0
[  597.304563]  smp_apic_timer_interrupt+0x13b/0x550
[  597.309406]  apic_timer_interrupt+0xf/0x20
[  597.313629]  </IRQ>
[  597.315871] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  597.320815] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  597.339726] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  597.347531] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  597.354821] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  597.362093] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  597.369381] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  597.376653] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  597.383982]  ? finish_task_switch+0x146/0x7c0
[  597.388480]  skb_clone+0x156/0x3e0
[  597.392027]  bpf_clone_redirect+0xb2/0x480
[  597.396403]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  597.401442]  ? mark_held_locks+0x100/0x100
[  597.405708]  ? __schedule+0x86e/0x1dc0
[  597.409688]  ? retint_kernel+0x2d/0x2d
[  597.413588]  ? firmware_map_remove+0x1a7/0x1a7
[  597.418180]  ? bpf_test_run+0x146/0x430
[  597.422181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.427790]  ? check_preemption_disabled+0x48/0x290
[  597.432807]  ? lock_acquire+0x16f/0x3f0
[  597.436800]  ? kasan_check_read+0x11/0x20
[  597.440960]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  597.446152]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  597.451712]  bpf_test_run+0x10d/0x430
[  597.455533]  bpf_prog_test_run_skb+0x64b/0xb20
[  597.460129]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  597.464974]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  597.469813]  bpf_prog_test_run+0x129/0x1a0
[  597.474055]  __x64_sys_bpf+0x397/0x4c0
[  597.477962]  ? bpf_prog_get+0x20/0x20
[  597.481778]  ? do_syscall_64+0x26/0x620
[  597.485793]  ? lockdep_hardirqs_on+0x415/0x5d0
[  597.490391]  ? trace_hardirqs_on+0x67/0x220
[  597.494719]  do_syscall_64+0xfd/0x620
[  597.498536]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  597.503741] RIP: 0033:0x45b349
[  597.506942] Code: Bad RIP value.
[  597.510413] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  597.518212] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  597.525477] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  597.532744] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  597.540015] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  597.547403] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  597.554809] warn_alloc_show_mem: 1 callbacks suppressed
[  597.554819] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  597.554821] Mem-Info:
[  597.554855] active_anon:162126 inactive_anon:206 isolated_anon:0
[  597.554855]  active_file:14 inactive_file:11 isolated_file:0
[  597.554855]  unevictable:0 dirty:0 writeback:0 unstable:0
[  597.554855]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  597.554855]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  597.554855]  free:10931 free_pcp:206 free_cma:0
[  597.560296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  597.560326] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  597.567791] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  597.570186] Call Trace:
[  597.603371] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  597.612732]  <IRQ>
[  597.619929] 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
[  597.647890]  dump_stack+0x197/0x210
[  597.650540] lowmem_reserve[]: 0 2545 2546 2546 2546
[  597.676483]  warn_alloc.cold+0x7b/0x173
[  597.678616] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  597.704748]  ? zone_watermark_ok_safe+0x260/0x260
[  597.708361] lowmem_reserve[]: 0 0 1 1 1
[  597.713512]  ? __cpuset_node_allowed+0x136/0x540
[  597.717516] 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
[  597.746344]  ? __isolate_free_page+0x4c0/0x4c0
[  597.752786] lowmem_reserve[]: 0 0 0 0 0
[  597.756806]  ? wake_all_kswapds+0x14d/0x300
[  597.761545] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  597.787451]  __alloc_pages_slowpath+0x2214/0x2870
[  597.792004] lowmem_reserve[]: 0 0 0 0 0
[  597.796012]  ? warn_alloc+0x110/0x110
[  597.800326] 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
[  597.827933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  597.832784] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  597.836789]  ? should_fail+0x14d/0x85c
[  597.840835] 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
[  597.853435]  ? __isolate_free_page+0x4c0/0x4c0
[  597.858981] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  597.872359]  __alloc_pages_nodemask+0x617/0x750
[  597.876237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  597.886922]  ? __alloc_pages_slowpath+0x2870/0x2870
[  597.891663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  597.907604]  cache_grow_begin+0x91/0x8c0
[  597.912388] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  597.921237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.926255] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  597.934835]  ? __cpuset_node_allowed+0x136/0x540
[  597.938905] 281 total pagecache pages
[  597.947750]  fallback_alloc+0x1fd/0x2d0
[  597.953272] 0 pages in swap cache
[  597.961870]  ____cache_alloc_node+0x1be/0x1e0
[  597.966592] Swap cache stats: add 0, delete 0, find 0/0
[  597.966601] Free swap  = 0kB
[  597.970710]  kmem_cache_alloc_node+0xe3/0x710
[  597.974666] Total swap = 0kB
[  597.974676] 1965979 pages RAM
[  597.978153]  __alloc_skb+0xd5/0x5f0
[  597.982614] 0 pages HighMem/MovableOnly
[  597.987995]  ? skb_trim+0x190/0x190
[  597.990998] 341724 pages reserved
[  597.991007] 0 pages cma reserved
[  597.995524]  ? check_preemption_disabled+0x48/0x290
[  597.998581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  598.001620]  ? lock_acquire+0x16f/0x3f0
[  598.001643]  new_skb+0x28/0x1d0
[  598.005439] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  598.009469]  aoecmd_cfg+0x1b5/0x640
[  598.013098] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  598.059330]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  598.063654]  ? timer_reduce+0x11d0/0x11d0
[  598.067975]  discover_timer+0x4e/0x60
[  598.071793]  call_timer_fn+0x18d/0x720
[  598.075704]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  598.080381]  ? process_timeout+0x40/0x40
[  598.084439]  ? run_timer_softirq+0x644/0x16a0
[  598.088931]  ? trace_hardirqs_on+0x67/0x220
[  598.093264]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  598.097962]  run_timer_softirq+0x64f/0x16a0
[  598.102436]  ? add_timer+0xbe0/0xbe0
[  598.106377]  ? __lock_is_held+0xb6/0x140
[  598.110587]  __do_softirq+0x25c/0x921
[  598.114554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.120198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.125743]  irq_exit+0x180/0x1d0
[  598.129309]  smp_apic_timer_interrupt+0x13b/0x550
[  598.134145]  apic_timer_interrupt+0xf/0x20
[  598.138363]  </IRQ>
[  598.140601] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  598.145531] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  598.164549] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  598.172268] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  598.179539] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  598.186811] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  598.194196] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  598.201473] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  598.208891]  ? mark_held_locks+0xb1/0x100
[  598.213046]  ? __netdev_alloc_skb+0x370/0x470
[  598.217560]  __build_skb+0x3e/0x310
[  598.221202]  __netdev_alloc_skb+0x2ba/0x470
[  598.225538]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  598.230387]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  598.235751]  ? find_held_lock+0x35/0x130
[  598.239836]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  598.244250]  ? check_preemption_disabled+0x48/0x290
[  598.249260]  ? prandom_u32_state+0x13/0x180
[  598.253584]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  598.258789]  ? kmem_cache_alloc+0x32a/0x700
[  598.263121]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  598.268069]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  598.274398]  process_one_work+0x989/0x1750
[  598.278646]  ? pwq_dec_nr_in_flight+0x320/0x320
[  598.283310]  ? lock_acquire+0x16f/0x3f0
[  598.287281]  ? kasan_check_write+0x14/0x20
[  598.291715]  ? do_raw_spin_lock+0xd7/0x250
[  598.295961]  worker_thread+0x98/0xe40
[  598.299801]  kthread+0x354/0x420
[  598.303166]  ? process_one_work+0x1750/0x1750
[  598.307661]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  598.313205]  ret_from_fork+0x24/0x30
[  598.316936] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  598.316995] aoe: skb alloc failure
[  598.324731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  598.324736] Call Trace:
[  598.324742]  <IRQ>
[  598.324760]  dump_stack+0x197/0x210
[  598.324780]  warn_alloc.cold+0x7b/0x173
[  598.328334] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  598.337804]  ? zone_watermark_ok_safe+0x260/0x260
[  598.340359] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  598.342499]  ? __cpuset_node_allowed+0x136/0x540
[  598.375188]  ? __isolate_free_page+0x4c0/0x4c0
[  598.379778]  ? wake_all_kswapds+0x14d/0x300
[  598.384105]  __alloc_pages_slowpath+0x2214/0x2870
[  598.388958]  ? warn_alloc+0x110/0x110
[  598.392762]  ? __lock_acquire+0x6ee/0x49c0
[  598.397002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.402564]  ? should_fail+0x14d/0x85c
[  598.406450]  ? __isolate_free_page+0x4c0/0x4c0
[  598.411036]  __alloc_pages_nodemask+0x617/0x750
[  598.415802]  ? __alloc_pages_slowpath+0x2870/0x2870
[  598.420831]  ? find_held_lock+0x35/0x130
[  598.424899]  cache_grow_begin+0x91/0x8c0
[  598.428967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.434505]  ? __cpuset_node_allowed+0x136/0x540
[  598.439266]  fallback_alloc+0x1fd/0x2d0
[  598.443243]  ____cache_alloc_node+0x1be/0x1e0
[  598.447737]  kmem_cache_alloc_node+0xe3/0x710
[  598.452245]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  598.456485]  __alloc_skb+0xd5/0x5f0
[  598.460123]  ? skb_trim+0x190/0x190
[  598.463749]  ? kasan_check_read+0x11/0x20
[  598.467953]  ndisc_alloc_skb+0x13c/0x340
[  598.472047]  ndisc_send_rs+0x35f/0x6e0
[  598.475962]  addrconf_rs_timer+0x30f/0x680
[  598.480345]  ? ipv6_get_lladdr+0x490/0x490
[  598.484592]  call_timer_fn+0x18d/0x720
[  598.488491]  ? ipv6_get_lladdr+0x490/0x490
[  598.492831]  ? process_timeout+0x40/0x40
[  598.496897]  ? run_timer_softirq+0x644/0x16a0
[  598.501401]  ? trace_hardirqs_on+0x67/0x220
[  598.505747]  ? ipv6_get_lladdr+0x490/0x490
[  598.509987]  run_timer_softirq+0x64f/0x16a0
[  598.514367]  ? add_timer+0xbe0/0xbe0
[  598.518101]  ? __lock_is_held+0xb6/0x140
[  598.522190]  __do_softirq+0x25c/0x921
[  598.526002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.531542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.537101]  irq_exit+0x180/0x1d0
[  598.540552]  smp_apic_timer_interrupt+0x13b/0x550
[  598.545411]  apic_timer_interrupt+0xf/0x20
[  598.549636]  </IRQ>
[  598.551867] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  598.556799] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  598.575707] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  598.583423] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  598.590697] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  598.598068] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  598.605339] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  598.612615] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  598.619917]  ? finish_task_switch+0x146/0x7c0
[  598.624423]  skb_clone+0x156/0x3e0
[  598.627963]  bpf_clone_redirect+0xb2/0x480
[  598.632227]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  598.637268]  ? mark_held_locks+0x100/0x100
[  598.641513]  ? __schedule+0x86e/0x1dc0
[  598.645391]  ? retint_kernel+0x2d/0x2d
[  598.649309]  ? firmware_map_remove+0x1a7/0x1a7
[  598.653889]  ? bpf_test_run+0x146/0x430
[  598.657874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.663420]  ? check_preemption_disabled+0x48/0x290
[  598.668455]  ? lock_acquire+0x16f/0x3f0
[  598.672581]  ? kasan_check_read+0x11/0x20
[  598.676736]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  598.681936]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  598.687488]  bpf_test_run+0x10d/0x430
[  598.691329]  bpf_prog_test_run_skb+0x64b/0xb20
[  598.696017]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  598.700878]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  598.705739]  bpf_prog_test_run+0x129/0x1a0
[  598.709979]  __x64_sys_bpf+0x397/0x4c0
[  598.713865]  ? bpf_prog_get+0x20/0x20
[  598.717788]  ? do_syscall_64+0x26/0x620
[  598.721777]  ? lockdep_hardirqs_on+0x415/0x5d0
[  598.726367]  ? trace_hardirqs_on+0x67/0x220
[  598.730734]  do_syscall_64+0xfd/0x620
[  598.734653]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  598.739838] RIP: 0033:0x45b349
[  598.743146] Code: Bad RIP value.
[  598.746513] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  598.754220] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  598.761504] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  598.768877] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  598.776162] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  598.783429] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  598.790712] warn_alloc_show_mem: 1 callbacks suppressed
[  598.790722] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  598.790723] Mem-Info:
[  598.790737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  598.796119] active_anon:162126 inactive_anon:206 isolated_anon:0
[  598.796119]  active_file:14 inactive_file:11 isolated_file:0
[  598.796119]  unevictable:0 dirty:0 writeback:0 unstable:0
[  598.796119]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  598.796119]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  598.796119]  free:10931 free_pcp:206 free_cma:0
[  598.803568] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  598.805982] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  598.815318] Call Trace:
[  598.848392] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  598.855486]  <IRQ>
[  598.883160] 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
[  598.885759]  dump_stack+0x197/0x210
[  598.911531] lowmem_reserve[]: 0 2545 2546 2546 2546
[  598.913694]  warn_alloc.cold+0x7b/0x173
[  598.939886] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  598.943531]  ? zone_watermark_ok_safe+0x260/0x260
[  598.948520] lowmem_reserve[]: 0 0 1 1 1
[  598.952507]  ? __cpuset_node_allowed+0x136/0x540
[  598.981291] 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
[  598.986150]  ? __isolate_free_page+0x4c0/0x4c0
[  598.990206] lowmem_reserve[]: 0 0 0 0 0
[  598.994982]  ? wake_all_kswapds+0x14d/0x300
[  599.020734] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  599.025359]  __alloc_pages_slowpath+0x2214/0x2870
[  599.029287] lowmem_reserve[]: 0 0 0 0 0
[  599.033635]  ? warn_alloc+0x110/0x110
[  599.061362] 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
[  599.066226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.070199] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  599.074009]  ? should_fail+0x14d/0x85c
[  599.086561] 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
[  599.092117]  ? __isolate_free_page+0x4c0/0x4c0
[  599.105454] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  599.109359]  __alloc_pages_nodemask+0x617/0x750
[  599.119996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  599.124715]  ? __alloc_pages_slowpath+0x2870/0x2870
[  599.140436] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  599.145114]  cache_grow_begin+0x91/0x8c0
[  599.153929] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  599.158953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.167521] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  599.171585]  ? __cpuset_node_allowed+0x136/0x540
[  599.180407] 281 total pagecache pages
[  599.185947]  fallback_alloc+0x1fd/0x2d0
[  599.194602] 0 pages in swap cache
[  599.199386]  ____cache_alloc_node+0x1be/0x1e0
[  599.203152] Swap cache stats: add 0, delete 0, find 0/0
[  599.203161] Free swap  = 0kB
[  599.207133]  kmem_cache_alloc_node+0xe3/0x710
[  599.210661] Total swap = 0kB
[  599.215167]  __alloc_skb+0xd5/0x5f0
[  599.220512] 1965979 pages RAM
[  599.223535]  ? skb_trim+0x190/0x190
[  599.227999] 0 pages HighMem/MovableOnly
[  599.228007] 341724 pages reserved
[  599.231021]  ? check_preemption_disabled+0x48/0x290
[  599.234644] 0 pages cma reserved
[  599.237768]  ? lock_acquire+0x16f/0x3f0
[  599.237792]  new_skb+0x28/0x1d0
[  599.241464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  599.245390]  aoecmd_cfg+0x1b5/0x640
[  599.245407]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  599.245428]  ? timer_reduce+0x11d0/0x11d0
[  599.248921] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  599.253895]  discover_timer+0x4e/0x60
[  599.257346] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  599.261329]  call_timer_fn+0x18d/0x720
[  599.306967]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  599.311650]  ? process_timeout+0x40/0x40
[  599.315710]  ? run_timer_softirq+0x644/0x16a0
[  599.320257]  ? trace_hardirqs_on+0x67/0x220
[  599.324592]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  599.329267]  run_timer_softirq+0x64f/0x16a0
[  599.333617]  ? add_timer+0xbe0/0xbe0
[  599.337340]  ? __lock_is_held+0xb6/0x140
[  599.341405]  __do_softirq+0x25c/0x921
[  599.345326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.350868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.356419]  irq_exit+0x180/0x1d0
[  599.359897]  smp_apic_timer_interrupt+0x13b/0x550
[  599.364749]  apic_timer_interrupt+0xf/0x20
[  599.368970]  </IRQ>
[  599.371211] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  599.376209] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  599.395256] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  599.402976] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  599.410254] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  599.417551] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  599.424827] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  599.432094] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  599.439404]  ? mark_held_locks+0xb1/0x100
[  599.443566]  ? __netdev_alloc_skb+0x370/0x470
[  599.448075]  __build_skb+0x3e/0x310
[  599.451702]  __netdev_alloc_skb+0x2ba/0x470
[  599.456026]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  599.461007]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  599.466384]  ? find_held_lock+0x35/0x130
[  599.470454]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  599.474861]  ? check_preemption_disabled+0x48/0x290
[  599.479996]  ? prandom_u32_state+0x13/0x180
[  599.484320]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  599.489532]  ? kmem_cache_alloc+0x32a/0x700
[  599.493892]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  599.498854]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  599.505197]  process_one_work+0x989/0x1750
[  599.509454]  ? pwq_dec_nr_in_flight+0x320/0x320
[  599.514143]  ? lock_acquire+0x16f/0x3f0
[  599.518136]  ? kasan_check_write+0x14/0x20
[  599.522496]  ? do_raw_spin_lock+0xd7/0x250
[  599.526745]  worker_thread+0x98/0xe40
[  599.530675]  kthread+0x354/0x420
[  599.534036]  ? process_one_work+0x1750/0x1750
[  599.538523]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  599.544075]  ret_from_fork+0x24/0x30
[  599.547797] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  599.547855] aoe: skb alloc failure
[  599.555618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  599.555624] Call Trace:
[  599.555631]  <IRQ>
[  599.555651]  dump_stack+0x197/0x210
[  599.555671]  warn_alloc.cold+0x7b/0x173
[  599.555686]  ? zone_watermark_ok_safe+0x260/0x260
[  599.555703]  ? __cpuset_node_allowed+0x136/0x540
[  599.559261] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  599.568608]  ? __isolate_free_page+0x4c0/0x4c0
[  599.571174] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  599.573322]  ? wake_all_kswapds+0x14d/0x300
[  599.614627]  __alloc_pages_slowpath+0x2214/0x2870
[  599.619511]  ? warn_alloc+0x110/0x110
[  599.623333]  ? __lock_acquire+0x6ee/0x49c0
[  599.627578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.633127]  ? should_fail+0x14d/0x85c
[  599.637024]  ? __isolate_free_page+0x4c0/0x4c0
[  599.641622]  __alloc_pages_nodemask+0x617/0x750
[  599.646295]  ? __alloc_pages_slowpath+0x2870/0x2870
[  599.651327]  ? find_held_lock+0x35/0x130
[  599.655383]  cache_grow_begin+0x91/0x8c0
[  599.659453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.664996]  ? __cpuset_node_allowed+0x136/0x540
[  599.669764]  fallback_alloc+0x1fd/0x2d0
[  599.673871]  ____cache_alloc_node+0x1be/0x1e0
[  599.678364]  kmem_cache_alloc_node+0xe3/0x710
[  599.682854]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  599.687094]  __alloc_skb+0xd5/0x5f0
[  599.690877]  ? skb_trim+0x190/0x190
[  599.694630]  ? kasan_check_read+0x11/0x20
[  599.698793]  ndisc_alloc_skb+0x13c/0x340
[  599.702902]  ndisc_send_rs+0x35f/0x6e0
[  599.706793]  addrconf_rs_timer+0x30f/0x680
[  599.711047]  ? ipv6_get_lladdr+0x490/0x490
[  599.715302]  call_timer_fn+0x18d/0x720
[  599.719204]  ? ipv6_get_lladdr+0x490/0x490
[  599.723444]  ? process_timeout+0x40/0x40
[  599.727498]  ? run_timer_softirq+0x644/0x16a0
[  599.732009]  ? trace_hardirqs_on+0x67/0x220
[  599.736340]  ? ipv6_get_lladdr+0x490/0x490
[  599.740582]  run_timer_softirq+0x64f/0x16a0
[  599.744906]  ? add_timer+0xbe0/0xbe0
[  599.748616]  ? __lock_is_held+0xb6/0x140
[  599.752686]  __do_softirq+0x25c/0x921
[  599.756496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.762046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.767602]  irq_exit+0x180/0x1d0
[  599.771240]  smp_apic_timer_interrupt+0x13b/0x550
[  599.776093]  apic_timer_interrupt+0xf/0x20
[  599.780331]  </IRQ>
[  599.782569] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  599.787500] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  599.806406] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  599.814121] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  599.821594] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  599.828869] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  599.836161] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  599.843447] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  599.850879]  ? finish_task_switch+0x146/0x7c0
[  599.855395]  skb_clone+0x156/0x3e0
[  599.858953]  bpf_clone_redirect+0xb2/0x480
[  599.863203]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  599.868247]  ? mark_held_locks+0x100/0x100
[  599.872501]  ? __schedule+0x86e/0x1dc0
[  599.876478]  ? retint_kernel+0x2d/0x2d
[  599.880368]  ? firmware_map_remove+0x1a7/0x1a7
[  599.884959]  ? bpf_test_run+0x146/0x430
[  599.888943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.894490]  ? check_preemption_disabled+0x48/0x290
[  599.899606]  ? lock_acquire+0x16f/0x3f0
[  599.903576]  ? kasan_check_read+0x11/0x20
[  599.907758]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  599.912957]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  599.918505]  bpf_test_run+0x10d/0x430
[  599.922324]  bpf_prog_test_run_skb+0x64b/0xb20
[  599.926914]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  599.931771]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  599.936627]  bpf_prog_test_run+0x129/0x1a0
[  599.940860]  __x64_sys_bpf+0x397/0x4c0
[  599.944875]  ? bpf_prog_get+0x20/0x20
[  599.948690]  ? do_syscall_64+0x26/0x620
[  599.952671]  ? lockdep_hardirqs_on+0x415/0x5d0
[  599.957363]  ? trace_hardirqs_on+0x67/0x220
[  599.961683]  do_syscall_64+0xfd/0x620
[  599.965502]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  599.970690] RIP: 0033:0x45b349
[  599.973917] Code: Bad RIP value.
[  599.977274] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  599.985103] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  599.992375] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  599.999739] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  600.007031] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  600.014339] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  600.021687] warn_alloc_show_mem: 1 callbacks suppressed
[  600.021711] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  600.021719] Mem-Info:
[  600.021790] active_anon:162126 inactive_anon:206 isolated_anon:0
[  600.021790]  active_file:14 inactive_file:11 isolated_file:0
[  600.021790]  unevictable:0 dirty:0 writeback:0 unstable:0
[  600.021790]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  600.021790]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  600.021790]  free:10931 free_pcp:206 free_cma:0
[  600.027164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  600.034705] Node 0 active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1024kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  600.037102] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  600.070331] Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB 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
[  600.079838] Call Trace:
[  600.107493] 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
[  600.114634]  <IRQ>
[  600.140418] lowmem_reserve[]: 0 2545 2546 2546 2546
[  600.143040]  dump_stack+0x197/0x210
[  600.169491] Node 0 DMA32 free:13552kB min:36168kB low:45208kB high:54248kB active_anon:648504kB inactive_anon:824kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609804kB mlocked:0kB kernel_stack:7392kB pagetables:3992kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
[  600.171673]  warn_alloc.cold+0x7b/0x173
[  600.176668] lowmem_reserve[]: 0 0 1 1 1
[  600.180753]  ? zone_watermark_ok_safe+0x260/0x260
[  600.209642] 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
[  600.213637]  ? __cpuset_node_allowed+0x136/0x540
[  600.217588] lowmem_reserve[]: 0 0 0 0 0
[  600.222453]  ? __isolate_free_page+0x4c0/0x4c0
[  600.248201] Node 1 Normal free:19904kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:328kB local_pcp:80kB free_cma:0kB
[  600.252969]  ? wake_all_kswapds+0x14d/0x300
[  600.256919] lowmem_reserve[]: 0 0 0 0 0
[  600.261636]  __alloc_pages_slowpath+0x2214/0x2870
[  600.289215] 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
[  600.293595]  ? warn_alloc+0x110/0x110
[  600.297513] Node 0 DMA32: 1256*4kB (ME) 596*8kB (UME) 165*16kB (ME) 35*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13552kB
[  600.302376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.314867] 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
[  600.318776]  ? should_fail+0x14d/0x85c
[  600.332219] Node 1 Normal: 4*4kB (UE) 2*8kB (ME) 4*16kB (ME) 3*32kB (UE) 4*64kB (UME) 2*128kB (UM) 1*256kB (M) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19904kB
[  600.337889]  ? __isolate_free_page+0x4c0/0x4c0
[  600.348801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  600.352726]  __alloc_pages_nodemask+0x617/0x750
[  600.368431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  600.368446] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  600.373055]  ? __alloc_pages_slowpath+0x2870/0x2870
[  600.382043] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  600.386921]  cache_grow_begin+0x91/0x8c0
[  600.395477] 281 total pagecache pages
[  600.404446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.409460] 0 pages in swap cache
[  600.418061]  ? __cpuset_node_allowed+0x136/0x540
[  600.422110] Swap cache stats: add 0, delete 0, find 0/0
[  600.425903]  fallback_alloc+0x1fd/0x2d0
[  600.431442] Free swap  = 0kB
[  600.431452] Total swap = 0kB
[  600.434952]  ____cache_alloc_node+0x1be/0x1e0
[  600.439794] 1965979 pages RAM
[  600.445178]  kmem_cache_alloc_node+0xe3/0x710
[  600.449138] 0 pages HighMem/MovableOnly
[  600.452177]  __alloc_skb+0xd5/0x5f0
[  600.455163] 341724 pages reserved
[  600.455172] 0 pages cma reserved
[  600.459668]  ? skb_trim+0x190/0x190
[  600.462818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  600.467259]  ? check_preemption_disabled+0x48/0x290
[  600.467273]  ? lock_acquire+0x16f/0x3f0
[  600.467295]  new_skb+0x28/0x1d0
[  600.471330] syz-executor.4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  600.474919]  aoecmd_cfg+0x1b5/0x640
[  600.478360] syz-executor.4 cpuset=syz4 mems_allowed=0-1
[  600.481733]  ? aoecmd_ata_rsp+0x13a0/0x13a0
[  600.528184]  ? timer_reduce+0x11d0/0x11d0
[  600.532345]  discover_timer+0x4e/0x60
[  600.536139]  call_timer_fn+0x18d/0x720
[  600.540026]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  600.544693]  ? process_timeout+0x40/0x40
[  600.548761]  ? run_timer_softirq+0x644/0x16a0
[  600.553253]  ? trace_hardirqs_on+0x67/0x220
[  600.557608]  ? aoedev_by_aoeaddr.cold+0x83/0x83
[  600.562301]  run_timer_softirq+0x64f/0x16a0
[  600.566852]  ? add_timer+0xbe0/0xbe0
[  600.570582]  ? __lock_is_held+0xb6/0x140
[  600.574666]  __do_softirq+0x25c/0x921
[  600.578475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.584019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.589837]  irq_exit+0x180/0x1d0
[  600.593301]  smp_apic_timer_interrupt+0x13b/0x550
[  600.598184]  apic_timer_interrupt+0xf/0x20
[  600.602411]  </IRQ>
[  600.604645] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  600.609579] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  600.628542] RSP: 0000:ffff8880a913f990 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  600.636284] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff1101522e9ee
[  600.643633] RDX: 0000000000000000 RSI: ffff8880a9174f50 RDI: 0000000000000286
[  600.650998] RBP: ffff8880a913f9f8 R08: ffff8880a9174680 R09: ffff8880a9174f70
[  600.658434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  600.665707] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  600.673202]  ? mark_held_locks+0xb1/0x100
[  600.678045]  ? __netdev_alloc_skb+0x370/0x470
[  600.682564]  __build_skb+0x3e/0x310
[  600.686200]  __netdev_alloc_skb+0x2ba/0x470
[  600.690533]  batadv_iv_ogm_queue_add+0x25d/0x1120
[  600.695389]  ? batadv_iv_ogm_schedule_buff+0x805/0x12b0
[  600.700760]  ? find_held_lock+0x35/0x130
[  600.704839]  ? batadv_iv_gw_dump+0xaa0/0xaa0
[  600.709243]  ? check_preemption_disabled+0x48/0x290
[  600.714267]  ? prandom_u32_state+0x13/0x180
[  600.718605]  batadv_iv_ogm_schedule_buff+0x9ad/0x12b0
[  600.723815]  ? kmem_cache_alloc+0x32a/0x700
[  600.728138]  ? batadv_iv_ogm_orig_dump+0xdb0/0xdb0
[  600.733084]  batadv_iv_send_outstanding_bat_ogm_packet+0x5f2/0x7b0
[  600.739468]  process_one_work+0x989/0x1750
[  600.743811]  ? pwq_dec_nr_in_flight+0x320/0x320
[  600.748492]  ? lock_acquire+0x16f/0x3f0
[  600.752513]  ? kasan_check_write+0x14/0x20
[  600.756929]  ? do_raw_spin_lock+0xd7/0x250
[  600.761165]  worker_thread+0x98/0xe40
[  600.764995]  kthread+0x354/0x420
[  600.768462]  ? process_one_work+0x1750/0x1750
[  600.773581]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  600.779128]  ret_from_fork+0x24/0x30
[  600.782871] CPU: 0 PID: 20487 Comm: syz-executor.4 Not tainted 4.19.98-syzkaller #0
[  600.782932] aoe: skb alloc failure
[  600.790677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  600.790682] Call Trace:
[  600.790689]  <IRQ>
[  600.790712]  dump_stack+0x197/0x210
[  600.790731]  warn_alloc.cold+0x7b/0x173
[  600.790749]  ? zone_watermark_ok_safe+0x260/0x260
[  600.794448] kworker/u4:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  600.803755]  ? __cpuset_node_allowed+0x136/0x540
[  600.806318] kworker/u4:3 cpuset=/ mems_allowed=0-1
[  600.808495]  ? __isolate_free_page+0x4c0/0x4c0
[  600.845585]  ? wake_all_kswapds+0x14d/0x300
[  600.849927]  __alloc_pages_slowpath+0x2214/0x2870
[  600.854804]  ? warn_alloc+0x110/0x110
[  600.858618]  ? __lock_acquire+0x6ee/0x49c0
[  600.862889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.868427]  ? should_fail+0x14d/0x85c
[  600.872441]  ? __isolate_free_page+0x4c0/0x4c0
[  600.877051]  __alloc_pages_nodemask+0x617/0x750
[  600.881762]  ? __alloc_pages_slowpath+0x2870/0x2870
[  600.886920]  ? find_held_lock+0x35/0x130
[  600.890995]  cache_grow_begin+0x91/0x8c0
[  600.895058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.900606]  ? __cpuset_node_allowed+0x136/0x540
[  600.905403]  fallback_alloc+0x1fd/0x2d0
[  600.909380]  ____cache_alloc_node+0x1be/0x1e0
[  600.913884]  kmem_cache_alloc_node+0xe3/0x710
[  600.918399]  ? ipv6_get_ifaddr+0x36c/0x4f0
[  600.922637]  __alloc_skb+0xd5/0x5f0
[  600.926274]  ? skb_trim+0x190/0x190
[  600.929920]  ? kasan_check_read+0x11/0x20
[  600.934085]  ndisc_alloc_skb+0x13c/0x340
[  600.938189]  ndisc_send_rs+0x35f/0x6e0
[  600.942111]  addrconf_rs_timer+0x30f/0x680
[  600.946363]  ? ipv6_get_lladdr+0x490/0x490
[  600.950613]  call_timer_fn+0x18d/0x720
[  600.954509]  ? ipv6_get_lladdr+0x490/0x490
[  600.958739]  ? process_timeout+0x40/0x40
[  600.962843]  ? run_timer_softirq+0x644/0x16a0
[  600.967356]  ? trace_hardirqs_on+0x67/0x220
[  600.971830]  ? ipv6_get_lladdr+0x490/0x490
[  600.976149]  run_timer_softirq+0x64f/0x16a0
[  600.980517]  ? add_timer+0xbe0/0xbe0
[  600.984241]  ? __lock_is_held+0xb6/0x140
[  600.988311]  __do_softirq+0x25c/0x921
[  600.992197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.997759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.003354]  irq_exit+0x180/0x1d0
[  601.006945]  smp_apic_timer_interrupt+0x13b/0x550
[  601.011833]  apic_timer_interrupt+0xf/0x20
[  601.016257]  </IRQ>
[  601.018584] RIP: 0010:kmem_cache_alloc+0x287/0x700
[  601.023522] Code: 7e 0f 85 db fe ff ff e8 e8 10 5e ff e9 d1 fe ff ff e8 dd fa cd ff 48 83 3d bd 05 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 92 e9
[  601.042867] RSP: 0000:ffff888073bd7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  601.050582] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
[  601.057857] RDX: 0000000000000000 RSI: ffff888095e9abc0 RDI: 0000000000000286
[  601.065134] RBP: ffff888073bd7988 R08: ffff888095e9a340 R09: 0000000000000000
[  601.072534] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  601.079809] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
[  601.087127]  ? finish_task_switch+0x146/0x7c0
[  601.091643]  skb_clone+0x156/0x3e0
[  601.095184]  bpf_clone_redirect+0xb2/0x480
[  601.099434]  bpf_prog_e2f29814702bf05a+0xe6a/0x1000
[  601.104479]  ? mark_held_locks+0x100/0x100
[  601.108732]  ? __schedule+0x86e/0x1dc0
[  601.112611]  ? retint_kernel+0x2d/0x2d
[  601.116501]  ? firmware_map_remove+0x1a7/0x1a7
[  601.121130]  ? bpf_test_run+0x146/0x430
[  601.125217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.131028]  ? check_preemption_disabled+0x48/0x290
[  601.136059]  ? lock_acquire+0x16f/0x3f0
[  601.140061]  ? kasan_check_read+0x11/0x20
[  601.144320]  ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0
[  601.149743]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  601.155333]  bpf_test_run+0x10d/0x430
[  601.159155]  bpf_prog_test_run_skb+0x64b/0xb20
[  601.163846]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  601.168698]  ? bpf_test_finish.isra.0+0x1d0/0x1d0
[  601.173544]  bpf_prog_test_run+0x129/0x1a0
[  601.177867]  __x64_sys_bpf+0x397/0x4c0
[  601.181760]  ? bpf_prog_get+0x20/0x20
[  601.185577]  ? do_syscall_64+0x26/0x620
[  601.189605]  ? lockdep_hardirqs_on+0x415/0x5d0
[  601.194196]  ? trace_hardirqs_on+0x67/0x220
[  601.198541]  do_syscall_64+0xfd/0x620
[  601.202343]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  601.207548] RIP: 0033:0x45b349
[  601.210749] Code: Bad RIP value.
[  601.214111] RSP: 002b:00007f7326a42c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[  601.221908] RAX: ffffffffffffffda RBX: 00007f7326a436d4 RCX: 000000000045b349
[  601.229183] RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
[  601.236490] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[  601.243858] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  601.251137] R13: 0000000000000058 R14: 00000000004c1a70 R15: 000000000075bf2c
[  601.258422] warn_alloc_show_mem: 1 callbacks suppressed
[  601.258432] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted 4.19.98-syzkaller #0
[  601.258434] Mem-Info:
[  601.258463] active_anon:162126 inactive_anon:206 isolated_anon:0
[  601.258463]  active_file:14 inactive_file:11 isolated_file:0
[  601.258463]  unevictable:0 dirty:0 writeback:0 unstable:0
[  601.258463]  slab_reclaimable:12165 slab_unreclaimable:1340287
[  601.258463]  mapped:52226 shmem:256 pagetables:998 bounce:0
[  601.258463]  free:10931 free_pcp:206 free_cma:0
[  601.263929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011