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