es_surp=0 hugepages_size=1048576kB [ 673.209994] __alloc_pages_nodemask+0x617/0x750 [ 673.225286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 673.230163] ? __alloc_pages_slowpath+0x2870/0x2870 [ 673.239555] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 673.244388] ? find_held_lock+0x35/0x130 [ 673.252949] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 673.252957] 269 total pagecache pages [ 673.258216] cache_grow_begin+0x91/0x8c0 [ 673.267106] 0 pages in swap cache [ 673.271179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.279922] Swap cache stats: add 0, delete 0, find 0/0 [ 673.279931] Free swap = 0kB [ 673.283987] ? __cpuset_node_allowed+0x136/0x540 [ 673.288149] Total swap = 0kB [ 673.288159] 1965979 pages RAM [ 673.291773] fallback_alloc+0x1fd/0x2d0 [ 673.297562] 0 pages HighMem/MovableOnly [ 673.303124] ____cache_alloc_node+0x1be/0x1e0 [ 673.306123] 341723 pages reserved [ 673.311156] kmem_cache_alloc_node+0xe3/0x710 [ 673.314245] 0 pages cma reserved [ 673.314315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 673.317373] ? mark_held_locks+0x100/0x100 [ 673.321783] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 673.325683] __alloc_skb+0xd5/0x5f0 [ 673.330413] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 673.333877] ? skb_trim+0x190/0x190 [ 673.376722] ? __local_bh_enable_ip+0x15a/0x270 [ 673.381407] ? lock_downgrade+0x880/0x880 [ 673.385563] ndisc_alloc_skb+0x13c/0x340 [ 673.389637] ndisc_send_rs+0x7c/0x6e0 [ 673.393446] addrconf_rs_timer+0x30f/0x680 [ 673.397689] ? ipv6_get_lladdr+0x490/0x490 [ 673.401948] call_timer_fn+0x18d/0x720 [ 673.405840] ? ipv6_get_lladdr+0x490/0x490 [ 673.410081] ? process_timeout+0x40/0x40 [ 673.414296] ? run_timer_softirq+0x644/0x16a0 [ 673.419042] ? trace_hardirqs_on+0x67/0x220 [ 673.423448] ? ipv6_get_lladdr+0x490/0x490 [ 673.427687] run_timer_softirq+0x64f/0x16a0 [ 673.432077] ? add_timer+0xbe0/0xbe0 [ 673.435894] ? __lock_is_held+0xb6/0x140 [ 673.440071] __do_softirq+0x25c/0x921 [ 673.444036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.449678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.455556] irq_exit+0x180/0x1d0 [ 673.459147] smp_apic_timer_interrupt+0x13b/0x550 [ 673.464132] apic_timer_interrupt+0xf/0x20 [ 673.468390] [ 673.470721] RIP: 0010:smp_call_function_single+0x139/0x420 [ 673.476494] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 673.495593] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 673.503455] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 673.510870] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 673.518322] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 673.525739] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 673.533148] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 673.541502] ? smp_call_function_single+0x14c/0x420 [ 673.546847] ? smp_call_function_single+0x137/0x420 [ 673.552353] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 673.558328] ? generic_exec_single+0x490/0x490 [ 673.562931] ? __lock_acquire+0x6ee/0x49c0 [ 673.567169] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 673.573512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 673.578642] ? find_next_and_bit+0x19a/0x200 [ 673.583070] smp_call_function_many+0x75f/0x8e0 [ 673.587772] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 673.593941] native_flush_tlb_others+0x81/0x420 [ 673.598662] flush_tlb_mm_range+0x21c/0x350 [ 673.602990] ? native_flush_tlb_others+0x420/0x420 [ 673.607926] ? lock_acquire+0x16f/0x3f0 [ 673.611914] ? kasan_check_write+0x14/0x20 [ 673.616155] flush_tlb_batched_pending+0x6e/0xb0 [ 673.620987] unmap_page_range+0x8b5/0x1fb0 [ 673.625245] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 673.629886] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 673.635513] ? kasan_check_write+0x14/0x20 [ 673.639769] __oom_reap_task_mm+0x1fb/0x3a0 [ 673.644991] ? process_shares_mm+0x130/0x130 [ 673.649415] ? oom_reaper+0x12c/0x1160 [ 673.653396] ? __lock_is_held+0xb6/0x140 [ 673.657475] oom_reaper+0x246/0x1160 [ 673.661294] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 673.665792] ? trace_hardirqs_on+0x67/0x220 [ 673.670121] ? finish_wait+0x260/0x260 [ 673.674014] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 673.679122] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 673.684659] ? __kthread_parkme+0xfb/0x1b0 [ 673.688896] kthread+0x354/0x420 [ 673.692266] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 673.696770] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 673.702440] ret_from_fork+0x24/0x30 [ 673.706174] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 673.706236] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 673.714208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.714213] Call Trace: [ 673.714220] [ 673.714239] dump_stack+0x197/0x210 [ 673.714257] warn_alloc.cold+0x7b/0x173 [ 673.720989] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 673.730175] ? zone_watermark_ok_safe+0x260/0x260 [ 673.732878] oom_reaper cpuset=/ mems_allowed=0-1 [ 673.735030] ? __cpuset_node_allowed+0x136/0x540 [ 673.767950] ? __isolate_free_page+0x4c0/0x4c0 [ 673.772551] ? wake_all_kswapds+0x14d/0x300 [ 673.776887] __alloc_pages_slowpath+0x2214/0x2870 [ 673.781898] ? warn_alloc+0x110/0x110 [ 673.785706] ? __lock_acquire+0x6ee/0x49c0 [ 673.789949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 673.796062] ? should_fail+0x14d/0x85c [ 673.800041] ? __isolate_free_page+0x4c0/0x4c0 [ 673.804649] __alloc_pages_nodemask+0x617/0x750 [ 673.809427] ? __alloc_pages_slowpath+0x2870/0x2870 [ 673.814616] ? find_held_lock+0x35/0x130 [ 673.818795] cache_grow_begin+0x91/0x8c0 [ 673.822988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.828529] ? __cpuset_node_allowed+0x136/0x540 [ 673.833297] fallback_alloc+0x1fd/0x2d0 [ 673.838589] ____cache_alloc_node+0x1be/0x1e0 [ 673.843235] kmem_cache_alloc_node+0xe3/0x710 [ 673.847739] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 673.852184] __alloc_skb+0xd5/0x5f0 [ 673.855818] ? skb_trim+0x190/0x190 [ 673.859764] ? kasan_check_read+0x11/0x20 [ 673.863929] ndisc_alloc_skb+0x13c/0x340 [ 673.868035] ndisc_send_rs+0x35f/0x6e0 [ 673.871961] addrconf_rs_timer+0x30f/0x680 [ 673.876376] ? ipv6_get_lladdr+0x490/0x490 [ 673.880891] call_timer_fn+0x18d/0x720 [ 673.884798] ? ipv6_get_lladdr+0x490/0x490 [ 673.889139] ? process_timeout+0x40/0x40 [ 673.893223] ? run_timer_softirq+0x644/0x16a0 [ 673.897905] ? trace_hardirqs_on+0x67/0x220 [ 673.902331] ? ipv6_get_lladdr+0x490/0x490 [ 673.906664] run_timer_softirq+0x64f/0x16a0 [ 673.911004] ? add_timer+0xbe0/0xbe0 [ 673.914866] ? __lock_is_held+0xb6/0x140 [ 673.918959] __do_softirq+0x25c/0x921 [ 673.922825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.928419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 673.933974] irq_exit+0x180/0x1d0 [ 673.937437] smp_apic_timer_interrupt+0x13b/0x550 [ 673.942587] apic_timer_interrupt+0xf/0x20 [ 673.946862] [ 673.949112] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 673.954047] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 673.972970] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 673.980687] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 673.988003] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 673.997799] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 674.005131] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 674.012498] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 674.019956] skb_clone+0x156/0x3e0 [ 674.023512] bpf_clone_redirect+0xb2/0x480 [ 674.027756] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 674.032777] ? 0xffffffff81000000 [ 674.036242] ? mark_held_locks+0x100/0x100 [ 674.040486] ? trace_hardirqs_on_caller+0x6a/0x220 [ 674.045820] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 674.050623] ? bpf_test_run+0x146/0x430 [ 674.054649] ? find_held_lock+0x35/0x130 [ 674.058789] ? bpf_test_run+0x146/0x430 [ 674.062814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.068497] ? check_preemption_disabled+0x48/0x290 [ 674.073518] ? lock_acquire+0x16f/0x3f0 [ 674.077653] ? kasan_check_read+0x11/0x20 [ 674.081812] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 674.087013] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.092599] bpf_test_run+0x10d/0x430 [ 674.096417] bpf_prog_test_run_skb+0x64b/0xb20 [ 674.101065] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 674.105911] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.111931] ? fput+0x128/0x1a0 [ 674.115420] ? __bpf_prog_get+0x97/0x290 [ 674.119488] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 674.124340] bpf_prog_test_run+0x129/0x1a0 [ 674.129520] __x64_sys_bpf+0x397/0x4c0 [ 674.133499] ? bpf_prog_get+0x20/0x20 [ 674.137316] ? do_syscall_64+0x26/0x620 [ 674.142166] ? lockdep_hardirqs_on+0x415/0x5d0 [ 674.146887] ? trace_hardirqs_on+0x67/0x220 [ 674.151301] do_syscall_64+0xfd/0x620 [ 674.155256] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.160935] RIP: 0033:0x45af49 [ 674.164389] Code: Bad RIP value. [ 674.168084] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 674.175938] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 674.183408] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 674.190688] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 674.197962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 674.205671] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 674.212963] warn_alloc_show_mem: 1 callbacks suppressed [ 674.212973] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 674.212975] Mem-Info: [ 674.213004] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 674.213004] active_file:13 inactive_file:11 isolated_file:0 [ 674.213004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 674.213004] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 674.213004] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 674.213004] free:10923 free_pcp:135 free_cma:0 [ 674.218484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 674.225894] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 674.228301] Call Trace: [ 674.261513] Node 1 active_anon:1432kB 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 [ 674.270865] [ 674.298364] Node 0 DMA free:10256kB 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 [ 674.301076] dump_stack+0x197/0x210 [ 674.326982] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 674.329150] warn_alloc.cold+0x7b/0x173 [ 674.355344] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 674.358992] ? zone_watermark_ok_safe+0x260/0x260 [ 674.363972] lowmem_reserve[]: 0 0 1 1 1 [ 674.367954] ? __cpuset_node_allowed+0x136/0x540 [ 674.399167] 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 [ 674.404036] ? __isolate_free_page+0x4c0/0x4c0 [ 674.407984] lowmem_reserve[]: 0 0 0 0 0 [ 674.412741] ? wake_all_kswapds+0x14d/0x300 [ 674.438565] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 674.443169] __alloc_pages_slowpath+0x2214/0x2870 [ 674.447128] lowmem_reserve[]: 0 0 0 0 0 [ 674.451482] ? warn_alloc+0x110/0x110 [ 674.479300] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 674.484159] ? __lock_acquire+0x6ee/0x49c0 [ 674.488118] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 674.491932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 674.503701] 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 [ 674.507975] ? should_fail+0x14d/0x85c [ 674.522710] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 674.528251] ? __isolate_free_page+0x4c0/0x4c0 [ 674.538898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 674.542780] __alloc_pages_nodemask+0x617/0x750 [ 674.557834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 674.557846] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 674.562521] ? __alloc_pages_slowpath+0x2870/0x2870 [ 674.571334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 674.571343] 269 total pagecache pages [ 674.576010] ? find_held_lock+0x35/0x130 [ 674.585079] 0 pages in swap cache [ 674.593907] cache_grow_begin+0x91/0x8c0 [ 674.598912] Swap cache stats: add 0, delete 0, find 0/0 [ 674.607476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.611254] Free swap = 0kB [ 674.615312] ? __cpuset_node_allowed+0x136/0x540 [ 674.618735] Total swap = 0kB [ 674.618743] 1965979 pages RAM [ 674.622797] fallback_alloc+0x1fd/0x2d0 [ 674.628147] 0 pages HighMem/MovableOnly [ 674.633694] ____cache_alloc_node+0x1be/0x1e0 [ 674.636682] 341723 pages reserved [ 674.636690] 0 pages cma reserved [ 674.641463] kmem_cache_alloc+0x1f3/0x700 [ 674.644525] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 674.647578] ? mark_held_locks+0xb1/0x100 [ 674.647602] ? __netdev_alloc_skb+0x370/0x470 [ 674.651792] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 674.655570] __build_skb+0x3e/0x310 [ 674.660040] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 674.663509] __netdev_alloc_skb+0x2ba/0x470 [ 674.711255] send_hsr_supervision_frame+0x110/0xf30 [ 674.716285] ? lock_acquire+0x16f/0x3f0 [ 674.720262] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 674.725301] hsr_announce+0x12f/0x3b0 [ 674.729122] call_timer_fn+0x18d/0x720 [ 674.733015] ? send_hsr_supervision_frame+0xf30/0xf30 [ 674.738307] ? process_timeout+0x40/0x40 [ 674.742381] ? run_timer_softirq+0x644/0x16a0 [ 674.746878] ? trace_hardirqs_on+0x67/0x220 [ 674.751246] ? send_hsr_supervision_frame+0xf30/0xf30 [ 674.756440] run_timer_softirq+0x64f/0x16a0 [ 674.760776] ? add_timer+0xbe0/0xbe0 [ 674.764485] ? __lock_is_held+0xb6/0x140 [ 674.768551] __do_softirq+0x25c/0x921 [ 674.772344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.778233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.783772] irq_exit+0x180/0x1d0 [ 674.787219] smp_apic_timer_interrupt+0x13b/0x550 [ 674.792056] apic_timer_interrupt+0xf/0x20 [ 674.796277] [ 674.798506] RIP: 0010:smp_call_function_single+0x139/0x420 [ 674.807860] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 674.826764] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 674.834478] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 674.842523] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 674.849794] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 674.857066] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 674.864349] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 674.871624] ? smp_call_function_single+0x14c/0x420 [ 674.876635] ? smp_call_function_single+0x137/0x420 [ 674.881662] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 674.887455] ? generic_exec_single+0x490/0x490 [ 674.892030] ? __lock_acquire+0x6ee/0x49c0 [ 674.896271] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 674.902060] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 674.907071] ? find_next_and_bit+0x19a/0x200 [ 674.911478] smp_call_function_many+0x75f/0x8e0 [ 674.916154] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 674.921958] native_flush_tlb_others+0x81/0x420 [ 674.926622] flush_tlb_mm_range+0x21c/0x350 [ 674.930937] ? native_flush_tlb_others+0x420/0x420 [ 674.935885] ? lock_acquire+0x16f/0x3f0 [ 674.939877] ? kasan_check_write+0x14/0x20 [ 674.944134] flush_tlb_batched_pending+0x6e/0xb0 [ 674.948892] unmap_page_range+0x8b5/0x1fb0 [ 674.953157] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 674.957662] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.963200] ? kasan_check_write+0x14/0x20 [ 674.967434] __oom_reap_task_mm+0x1fb/0x3a0 [ 674.971764] ? process_shares_mm+0x130/0x130 [ 674.976171] ? oom_reaper+0x12c/0x1160 [ 674.980058] ? __lock_is_held+0xb6/0x140 [ 674.984118] oom_reaper+0x246/0x1160 [ 674.987857] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 674.992345] ? trace_hardirqs_on+0x67/0x220 [ 674.996659] ? finish_wait+0x260/0x260 [ 675.000542] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 675.005647] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 675.011177] ? __kthread_parkme+0xfb/0x1b0 [ 675.015406] kthread+0x354/0x420 [ 675.018765] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 675.023273] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 675.028807] ret_from_fork+0x24/0x30 [ 675.032548] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 675.032741] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 675.040442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.040450] Call Trace: [ 675.050665] oom_reaper cpuset=/ mems_allowed=0-1 [ 675.060125] [ 675.069571] dump_stack+0x197/0x210 [ 675.073195] warn_alloc.cold+0x7b/0x173 [ 675.077178] ? zone_watermark_ok_safe+0x260/0x260 [ 675.082012] ? __cpuset_node_allowed+0x136/0x540 [ 675.086792] ? __isolate_free_page+0x4c0/0x4c0 [ 675.091367] ? wake_all_kswapds+0x14d/0x300 [ 675.095688] __alloc_pages_slowpath+0x2214/0x2870 [ 675.100539] ? warn_alloc+0x110/0x110 [ 675.104334] ? __lock_acquire+0x6ee/0x49c0 [ 675.108561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.114095] ? should_fail+0x14d/0x85c [ 675.117997] ? __isolate_free_page+0x4c0/0x4c0 [ 675.122591] __alloc_pages_nodemask+0x617/0x750 [ 675.127433] ? __alloc_pages_slowpath+0x2870/0x2870 [ 675.132460] ? find_held_lock+0x35/0x130 [ 675.136535] cache_grow_begin+0x91/0x8c0 [ 675.140589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.146117] ? __cpuset_node_allowed+0x136/0x540 [ 675.150868] fallback_alloc+0x1fd/0x2d0 [ 675.154840] ____cache_alloc_node+0x1be/0x1e0 [ 675.159342] kmem_cache_alloc+0x1f3/0x700 [ 675.163494] ? mark_held_locks+0xb1/0x100 [ 675.167635] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 675.172730] ? __netdev_alloc_skb+0x370/0x470 [ 675.177218] __build_skb+0x3e/0x310 [ 675.180853] __netdev_alloc_skb+0x2ba/0x470 [ 675.185173] send_hsr_supervision_frame+0x110/0xf30 [ 675.190366] ? lock_acquire+0x16f/0x3f0 [ 675.194336] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 675.199350] hsr_announce+0x12f/0x3b0 [ 675.203146] call_timer_fn+0x18d/0x720 [ 675.207039] ? send_hsr_supervision_frame+0xf30/0xf30 [ 675.212222] ? process_timeout+0x40/0x40 [ 675.216272] ? run_timer_softirq+0x644/0x16a0 [ 675.220762] ? trace_hardirqs_on+0x67/0x220 [ 675.225082] ? send_hsr_supervision_frame+0xf30/0xf30 [ 675.230322] run_timer_softirq+0x64f/0x16a0 [ 675.234654] ? add_timer+0xbe0/0xbe0 [ 675.240622] ? __lock_is_held+0xb6/0x140 [ 675.244691] __do_softirq+0x25c/0x921 [ 675.248498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.254169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.259735] irq_exit+0x180/0x1d0 [ 675.263194] smp_apic_timer_interrupt+0x13b/0x550 [ 675.268033] apic_timer_interrupt+0xf/0x20 [ 675.272257] [ 675.274495] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 675.279423] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 675.298332] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 675.306033] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 675.313293] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 675.320566] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 675.327897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 675.335157] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 675.342462] skb_clone+0x156/0x3e0 [ 675.346017] bpf_clone_redirect+0xb2/0x480 [ 675.350254] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 675.355269] ? 0xffffffff81000000 [ 675.358727] ? mark_held_locks+0x100/0x100 [ 675.362956] ? trace_hardirqs_on_caller+0x6a/0x220 [ 675.367910] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 675.372670] ? bpf_test_run+0x146/0x430 [ 675.376653] ? find_held_lock+0x35/0x130 [ 675.380707] ? bpf_test_run+0x146/0x430 [ 675.384681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.390210] ? check_preemption_disabled+0x48/0x290 [ 675.395220] ? lock_acquire+0x16f/0x3f0 [ 675.399189] ? kasan_check_read+0x11/0x20 [ 675.403330] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 675.408517] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 675.414064] bpf_test_run+0x10d/0x430 [ 675.417874] bpf_prog_test_run_skb+0x64b/0xb20 [ 675.422500] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 675.427335] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 675.432870] ? fput+0x128/0x1a0 [ 675.436143] ? __bpf_prog_get+0x97/0x290 [ 675.440207] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 675.445043] bpf_prog_test_run+0x129/0x1a0 [ 675.449273] __x64_sys_bpf+0x397/0x4c0 [ 675.453153] ? bpf_prog_get+0x20/0x20 [ 675.456966] ? do_syscall_64+0x26/0x620 [ 675.461073] ? lockdep_hardirqs_on+0x415/0x5d0 [ 675.465658] ? trace_hardirqs_on+0x67/0x220 [ 675.469996] do_syscall_64+0xfd/0x620 [ 675.473915] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 675.479106] RIP: 0033:0x45af49 [ 675.482312] Code: Bad RIP value. [ 675.485668] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 675.493366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 675.500742] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 675.508018] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 675.515282] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 675.522548] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 675.529833] warn_alloc_show_mem: 1 callbacks suppressed [ 675.529842] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 675.529844] Mem-Info: [ 675.529873] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 675.529873] active_file:13 inactive_file:11 isolated_file:0 [ 675.529873] unevictable:0 dirty:0 writeback:0 unstable:0 [ 675.529873] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 675.529873] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 675.529873] free:10923 free_pcp:135 free_cma:0 [ 675.535215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.542577] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 675.544967] Call Trace: [ 675.578028] Node 1 active_anon:1432kB 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 [ 675.578036] Node 0 DMA free:10256kB 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 [ 675.587383] [ 675.614944] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 675.617560] dump_stack+0x197/0x210 [ 675.643478] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 675.669589] warn_alloc.cold+0x7b/0x173 [ 675.671710] lowmem_reserve[]: 0 0 1 1 1 [ 675.676721] ? zone_watermark_ok_safe+0x260/0x260 [ 675.680333] 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 [ 675.708955] ? __cpuset_node_allowed+0x136/0x540 [ 675.712924] lowmem_reserve[]: 0 0 0 0 0 [ 675.717031] ? __isolate_free_page+0x4c0/0x4c0 [ 675.721849] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 675.747630] ? wake_all_kswapds+0x14d/0x300 [ 675.752377] lowmem_reserve[]: 0 0 0 0 0 [ 675.756367] __alloc_pages_slowpath+0x2214/0x2870 [ 675.760919] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 675.788806] ? warn_alloc+0x110/0x110 [ 675.793118] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 675.797154] ? __lock_acquire+0x6ee/0x49c0 [ 675.797173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 675.802020] 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 [ 675.813830] ? should_fail+0x14d/0x85c [ 675.817962] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 675.832874] ? __isolate_free_page+0x4c0/0x4c0 [ 675.837097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 675.842640] __alloc_pages_nodemask+0x617/0x750 [ 675.853281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 675.857158] ? __alloc_pages_slowpath+0x2870/0x2870 [ 675.872214] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 675.872227] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 675.876816] ? find_held_lock+0x35/0x130 [ 675.885649] 269 total pagecache pages [ 675.890322] cache_grow_begin+0x91/0x8c0 [ 675.898874] 0 pages in swap cache [ 675.903880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.912697] Swap cache stats: add 0, delete 0, find 0/0 [ 675.912705] Free swap = 0kB [ 675.921371] ? __cpuset_node_allowed+0x136/0x540 [ 675.925413] Total swap = 0kB [ 675.925422] 1965979 pages RAM [ 675.929485] fallback_alloc+0x1fd/0x2d0 [ 675.933537] 0 pages HighMem/MovableOnly [ 675.933545] 341723 pages reserved [ 675.937005] ____cache_alloc_node+0x1be/0x1e0 [ 675.942517] 0 pages cma reserved [ 675.947885] kmem_cache_alloc+0x1f3/0x700 [ 675.951036] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 675.955733] ? mark_held_locks+0xb1/0x100 [ 675.958726] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 675.961826] ? __netdev_alloc_skb+0x370/0x470 [ 676.010817] __build_skb+0x3e/0x310 [ 676.014469] __netdev_alloc_skb+0x2ba/0x470 [ 676.018819] send_hsr_supervision_frame+0x110/0xf30 [ 676.023852] ? lock_acquire+0x16f/0x3f0 [ 676.027848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 676.032870] hsr_announce+0x12f/0x3b0 [ 676.036683] call_timer_fn+0x18d/0x720 [ 676.040569] ? send_hsr_supervision_frame+0xf30/0xf30 [ 676.045761] ? process_timeout+0x40/0x40 [ 676.049817] ? run_timer_softirq+0x644/0x16a0 [ 676.054310] ? trace_hardirqs_on+0x67/0x220 [ 676.060107] ? send_hsr_supervision_frame+0xf30/0xf30 [ 676.065377] run_timer_softirq+0x64f/0x16a0 [ 676.069701] ? add_timer+0xbe0/0xbe0 [ 676.073409] ? __lock_is_held+0xb6/0x140 [ 676.077485] __do_softirq+0x25c/0x921 [ 676.081292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.086831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.092460] irq_exit+0x180/0x1d0 [ 676.095911] smp_apic_timer_interrupt+0x13b/0x550 [ 676.100767] apic_timer_interrupt+0xf/0x20 [ 676.105074] [ 676.107309] RIP: 0010:smp_call_function_single+0x139/0x420 [ 676.112947] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 676.132026] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 676.139828] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 676.147092] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 676.154365] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 676.161632] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 676.168896] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 676.176186] ? smp_call_function_single+0x14c/0x420 [ 676.181197] ? smp_call_function_single+0x137/0x420 [ 676.186221] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 676.192024] ? generic_exec_single+0x490/0x490 [ 676.196603] ? __lock_acquire+0x6ee/0x49c0 [ 676.200942] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 676.206744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 676.211757] ? find_next_and_bit+0x19a/0x200 [ 676.216165] smp_call_function_many+0x75f/0x8e0 [ 676.220827] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 676.226623] native_flush_tlb_others+0x81/0x420 [ 676.231329] flush_tlb_mm_range+0x21c/0x350 [ 676.235644] ? native_flush_tlb_others+0x420/0x420 [ 676.240581] ? lock_acquire+0x16f/0x3f0 [ 676.244550] ? kasan_check_write+0x14/0x20 [ 676.248782] flush_tlb_batched_pending+0x6e/0xb0 [ 676.253536] unmap_page_range+0x8b5/0x1fb0 [ 676.257780] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 676.262269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.267802] ? kasan_check_write+0x14/0x20 [ 676.272037] __oom_reap_task_mm+0x1fb/0x3a0 [ 676.276375] ? process_shares_mm+0x130/0x130 [ 676.280865] ? oom_reaper+0x12c/0x1160 [ 676.284753] ? __lock_is_held+0xb6/0x140 [ 676.288828] oom_reaper+0x246/0x1160 [ 676.292546] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 676.297041] ? trace_hardirqs_on+0x67/0x220 [ 676.301356] ? finish_wait+0x260/0x260 [ 676.305248] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 676.310345] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.315878] ? __kthread_parkme+0xfb/0x1b0 [ 676.320313] kthread+0x354/0x420 [ 676.323712] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 676.328210] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 676.333784] ret_from_fork+0x24/0x30 [ 676.337514] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 676.337685] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 676.345344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.357474] oom_reaper cpuset=/ mems_allowed=0-1 [ 676.366930] Call Trace: [ 676.374238] [ 676.376391] dump_stack+0x197/0x210 [ 676.380028] warn_alloc.cold+0x7b/0x173 [ 676.383998] ? zone_watermark_ok_safe+0x260/0x260 [ 676.388836] ? __cpuset_node_allowed+0x136/0x540 [ 676.393591] ? __isolate_free_page+0x4c0/0x4c0 [ 676.398168] ? wake_all_kswapds+0x14d/0x300 [ 676.402494] __alloc_pages_slowpath+0x2214/0x2870 [ 676.407349] ? warn_alloc+0x110/0x110 [ 676.411146] ? __lock_acquire+0x6ee/0x49c0 [ 676.415393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.421279] ? should_fail+0x14d/0x85c [ 676.425160] ? __isolate_free_page+0x4c0/0x4c0 [ 676.429744] __alloc_pages_nodemask+0x617/0x750 [ 676.434409] ? __alloc_pages_slowpath+0x2870/0x2870 [ 676.439425] ? find_held_lock+0x35/0x130 [ 676.443496] cache_grow_begin+0x91/0x8c0 [ 676.447555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.453084] ? __cpuset_node_allowed+0x136/0x540 [ 676.457837] fallback_alloc+0x1fd/0x2d0 [ 676.461812] ____cache_alloc_node+0x1be/0x1e0 [ 676.466306] kmem_cache_alloc+0x1f3/0x700 [ 676.470463] ? mark_held_locks+0xb1/0x100 [ 676.474604] ? __netdev_alloc_skb+0x370/0x470 [ 676.479103] __build_skb+0x3e/0x310 [ 676.482724] __netdev_alloc_skb+0x2ba/0x470 [ 676.487044] send_hsr_supervision_frame+0x110/0xf30 [ 676.492052] ? lock_acquire+0x16f/0x3f0 [ 676.496024] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 676.501038] hsr_announce+0x12f/0x3b0 [ 676.504970] call_timer_fn+0x18d/0x720 [ 676.508870] ? send_hsr_supervision_frame+0xf30/0xf30 [ 676.514082] ? process_timeout+0x40/0x40 [ 676.518139] ? run_timer_softirq+0x644/0x16a0 [ 676.522636] ? trace_hardirqs_on+0x67/0x220 [ 676.527134] ? send_hsr_supervision_frame+0xf30/0xf30 [ 676.532441] run_timer_softirq+0x64f/0x16a0 [ 676.536801] ? add_timer+0xbe0/0xbe0 [ 676.540528] ? __lock_is_held+0xb6/0x140 [ 676.544623] __do_softirq+0x25c/0x921 [ 676.548423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.553965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.559533] irq_exit+0x180/0x1d0 [ 676.562984] smp_apic_timer_interrupt+0x13b/0x550 [ 676.567998] apic_timer_interrupt+0xf/0x20 [ 676.572241] [ 676.574560] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 676.579484] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 676.598393] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 676.606090] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 676.613350] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 676.620610] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 676.627968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 676.635242] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 676.642533] skb_clone+0x156/0x3e0 [ 676.646071] bpf_clone_redirect+0xb2/0x480 [ 676.650308] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 676.655313] ? 0xffffffff81000000 [ 676.658764] ? mark_held_locks+0x100/0x100 [ 676.662991] ? trace_hardirqs_on_caller+0x6a/0x220 [ 676.667918] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 676.672666] ? bpf_test_run+0x146/0x430 [ 676.676633] ? find_held_lock+0x35/0x130 [ 676.680687] ? bpf_test_run+0x146/0x430 [ 676.684656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 676.690195] ? check_preemption_disabled+0x48/0x290 [ 676.695209] ? lock_acquire+0x16f/0x3f0 [ 676.699180] ? kasan_check_read+0x11/0x20 [ 676.703319] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 676.708508] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.714037] bpf_test_run+0x10d/0x430 [ 676.717852] bpf_prog_test_run_skb+0x64b/0xb20 [ 676.722433] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 676.727266] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 676.732904] ? fput+0x128/0x1a0 [ 676.736187] ? __bpf_prog_get+0x97/0x290 [ 676.740248] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 676.745082] bpf_prog_test_run+0x129/0x1a0 [ 676.749313] __x64_sys_bpf+0x397/0x4c0 [ 676.753191] ? bpf_prog_get+0x20/0x20 [ 676.756992] ? do_syscall_64+0x26/0x620 [ 676.760969] ? lockdep_hardirqs_on+0x415/0x5d0 [ 676.765640] ? trace_hardirqs_on+0x67/0x220 [ 676.770043] do_syscall_64+0xfd/0x620 [ 676.773871] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.779066] RIP: 0033:0x45af49 [ 676.782261] Code: Bad RIP value. [ 676.785743] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 676.793463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 676.800739] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 676.808009] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 676.815272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 676.822623] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 676.830089] warn_alloc_show_mem: 1 callbacks suppressed [ 676.830099] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 676.830101] Mem-Info: [ 676.830131] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 676.830131] active_file:13 inactive_file:11 isolated_file:0 [ 676.830131] unevictable:0 dirty:0 writeback:0 unstable:0 [ 676.830131] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 676.830131] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 676.830131] free:10923 free_pcp:135 free_cma:0 [ 676.835484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.835492] Call Trace: [ 676.842854] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 676.845244] [ 676.878895] Node 1 active_anon:1432kB 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 [ 676.888556] dump_stack+0x197/0x210 [ 676.891120] Node 0 DMA free:10256kB 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 [ 676.919771] warn_alloc.cold+0x7b/0x173 [ 676.921903] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 676.948103] ? zone_watermark_ok_safe+0x260/0x260 [ 676.951703] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 676.977825] ? __cpuset_node_allowed+0x136/0x540 [ 676.981780] lowmem_reserve[]: 0 0 1 1 1 [ 676.986927] ? __isolate_free_page+0x4c0/0x4c0 [ 676.991753] 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 [ 677.020549] ? wake_all_kswapds+0x14d/0x300 [ 677.025292] lowmem_reserve[]: 0 0 0 0 0 [ 677.029269] __alloc_pages_slowpath+0x2214/0x2870 [ 677.033820] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 677.060377] ? warn_alloc+0x110/0x110 [ 677.064660] lowmem_reserve[]: 0 0 0 0 0 [ 677.068639] ? __lock_acquire+0x6ee/0x49c0 [ 677.073455] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 677.101669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.105539] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 677.109521] ? should_fail+0x14d/0x85c [ 677.113737] 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 [ 677.125617] ? __isolate_free_page+0x4c0/0x4c0 [ 677.131143] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 677.146937] __alloc_pages_nodemask+0x617/0x750 [ 677.150800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 677.161472] ? __alloc_pages_slowpath+0x2870/0x2870 [ 677.166055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 677.181394] ? find_held_lock+0x35/0x130 [ 677.186040] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 677.194877] cache_grow_begin+0x91/0x8c0 [ 677.199887] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 677.208465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.212602] 269 total pagecache pages [ 677.221526] ? __cpuset_node_allowed+0x136/0x540 [ 677.225584] 0 pages in swap cache [ 677.234145] fallback_alloc+0x1fd/0x2d0 [ 677.239833] Swap cache stats: add 0, delete 0, find 0/0 [ 677.243626] ____cache_alloc_node+0x1be/0x1e0 [ 677.248350] Free swap = 0kB [ 677.251792] kmem_cache_alloc+0x1f3/0x700 [ 677.255738] Total swap = 0kB [ 677.261091] ? mark_held_locks+0xb1/0x100 [ 677.265558] 1965979 pages RAM [ 677.268568] ? __netdev_alloc_skb+0x370/0x470 [ 677.272691] 0 pages HighMem/MovableOnly [ 677.272699] 341723 pages reserved [ 677.275709] __build_skb+0x3e/0x310 [ 677.279828] 0 pages cma reserved [ 677.280011] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 677.282953] __netdev_alloc_skb+0x2ba/0x470 [ 677.287438] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 677.291410] send_hsr_supervision_frame+0x110/0xf30 [ 677.327003] ? lock_acquire+0x16f/0x3f0 [ 677.330971] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 677.336007] hsr_announce+0x12f/0x3b0 [ 677.339803] call_timer_fn+0x18d/0x720 [ 677.343687] ? send_hsr_supervision_frame+0xf30/0xf30 [ 677.348903] ? process_timeout+0x40/0x40 [ 677.352964] ? run_timer_softirq+0x644/0x16a0 [ 677.357470] ? trace_hardirqs_on+0x67/0x220 [ 677.361792] ? send_hsr_supervision_frame+0xf30/0xf30 [ 677.366977] run_timer_softirq+0x64f/0x16a0 [ 677.371297] ? add_timer+0xbe0/0xbe0 [ 677.375006] ? __lock_is_held+0xb6/0x140 [ 677.379070] __do_softirq+0x25c/0x921 [ 677.382864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.388393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.393965] irq_exit+0x180/0x1d0 [ 677.397425] smp_apic_timer_interrupt+0x13b/0x550 [ 677.402269] apic_timer_interrupt+0xf/0x20 [ 677.406626] [ 677.408895] RIP: 0010:smp_call_function_single+0x139/0x420 [ 677.414525] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 677.433508] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 677.441212] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 677.449425] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 677.456691] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 677.463955] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 677.471216] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 677.478504] ? smp_call_function_single+0x14c/0x420 [ 677.483603] ? smp_call_function_single+0x137/0x420 [ 677.488622] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 677.494601] ? generic_exec_single+0x490/0x490 [ 677.499198] ? __lock_acquire+0x6ee/0x49c0 [ 677.503551] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 677.509506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 677.514524] ? find_next_and_bit+0x19a/0x200 [ 677.518937] smp_call_function_many+0x75f/0x8e0 [ 677.523604] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 677.529400] native_flush_tlb_others+0x81/0x420 [ 677.534063] flush_tlb_mm_range+0x21c/0x350 [ 677.538380] ? native_flush_tlb_others+0x420/0x420 [ 677.543303] ? lock_acquire+0x16f/0x3f0 [ 677.547272] ? kasan_check_write+0x14/0x20 [ 677.551504] flush_tlb_batched_pending+0x6e/0xb0 [ 677.556252] unmap_page_range+0x8b5/0x1fb0 [ 677.560494] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 677.564984] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 677.570516] ? kasan_check_write+0x14/0x20 [ 677.574760] __oom_reap_task_mm+0x1fb/0x3a0 [ 677.579080] ? process_shares_mm+0x130/0x130 [ 677.583486] ? oom_reaper+0x12c/0x1160 [ 677.587372] ? __lock_is_held+0xb6/0x140 [ 677.591436] oom_reaper+0x246/0x1160 [ 677.595167] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 677.599680] ? trace_hardirqs_on+0x67/0x220 [ 677.604020] ? finish_wait+0x260/0x260 [ 677.607926] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 677.613030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 677.618583] ? __kthread_parkme+0xfb/0x1b0 [ 677.622823] kthread+0x354/0x420 [ 677.626198] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 677.630692] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 677.636228] ret_from_fork+0x24/0x30 [ 677.639955] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 677.640117] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 677.647756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.647764] Call Trace: [ 677.657987] oom_reaper cpuset=/ mems_allowed=0-1 [ 677.667342] [ 677.676790] dump_stack+0x197/0x210 [ 677.680413] warn_alloc.cold+0x7b/0x173 [ 677.684381] ? zone_watermark_ok_safe+0x260/0x260 [ 677.689216] ? __cpuset_node_allowed+0x136/0x540 [ 677.693987] ? __isolate_free_page+0x4c0/0x4c0 [ 677.699954] ? wake_all_kswapds+0x14d/0x300 [ 677.704281] __alloc_pages_slowpath+0x2214/0x2870 [ 677.709502] ? warn_alloc+0x110/0x110 [ 677.713311] ? __lock_acquire+0x6ee/0x49c0 [ 677.717540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 677.723080] ? should_fail+0x14d/0x85c [ 677.726968] ? __isolate_free_page+0x4c0/0x4c0 [ 677.731639] __alloc_pages_nodemask+0x617/0x750 [ 677.736327] ? __alloc_pages_slowpath+0x2870/0x2870 [ 677.742125] ? find_held_lock+0x35/0x130 [ 677.746182] cache_grow_begin+0x91/0x8c0 [ 677.750236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.755776] ? __cpuset_node_allowed+0x136/0x540 [ 677.760527] fallback_alloc+0x1fd/0x2d0 [ 677.764505] ____cache_alloc_node+0x1be/0x1e0 [ 677.768998] kmem_cache_alloc_node+0xe3/0x710 [ 677.773487] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 677.777724] __alloc_skb+0xd5/0x5f0 [ 677.781345] ? skb_trim+0x190/0x190 [ 677.784965] ? kasan_check_read+0x11/0x20 [ 677.789119] ndisc_alloc_skb+0x13c/0x340 [ 677.793175] ndisc_send_rs+0x35f/0x6e0 [ 677.797059] addrconf_rs_timer+0x30f/0x680 [ 677.801299] ? ipv6_get_lladdr+0x490/0x490 [ 677.805548] call_timer_fn+0x18d/0x720 [ 677.809440] ? ipv6_get_lladdr+0x490/0x490 [ 677.813684] ? process_timeout+0x40/0x40 [ 677.817736] ? run_timer_softirq+0x644/0x16a0 [ 677.822240] ? trace_hardirqs_on+0x67/0x220 [ 677.826555] ? ipv6_get_lladdr+0x490/0x490 [ 677.830784] run_timer_softirq+0x64f/0x16a0 [ 677.835106] ? add_timer+0xbe0/0xbe0 [ 677.838827] ? __lock_is_held+0xb6/0x140 [ 677.842890] __do_softirq+0x25c/0x921 [ 677.846695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.852244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.857812] irq_exit+0x180/0x1d0 [ 677.861268] smp_apic_timer_interrupt+0x13b/0x550 [ 677.866137] apic_timer_interrupt+0xf/0x20 [ 677.870365] [ 677.872603] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 677.877532] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 677.896429] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 677.904141] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 677.911403] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 677.921009] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 677.928443] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 677.935703] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 677.943026] skb_clone+0x156/0x3e0 [ 677.946575] bpf_clone_redirect+0xb2/0x480 [ 677.950887] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 677.955916] ? 0xffffffff81000000 [ 677.959376] ? mark_held_locks+0x100/0x100 [ 677.963611] ? trace_hardirqs_on_caller+0x6a/0x220 [ 677.968545] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 677.973296] ? bpf_test_run+0x146/0x430 [ 677.977261] ? find_held_lock+0x35/0x130 [ 677.981312] ? bpf_test_run+0x146/0x430 [ 677.985285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 677.990817] ? check_preemption_disabled+0x48/0x290 [ 677.995825] ? lock_acquire+0x16f/0x3f0 [ 677.999794] ? kasan_check_read+0x11/0x20 [ 678.003936] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 678.009118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.014646] bpf_test_run+0x10d/0x430 [ 678.018449] bpf_prog_test_run_skb+0x64b/0xb20 [ 678.023031] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 678.027865] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.033399] ? fput+0x128/0x1a0 [ 678.036674] ? __bpf_prog_get+0x97/0x290 [ 678.040739] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 678.046110] bpf_prog_test_run+0x129/0x1a0 [ 678.050427] __x64_sys_bpf+0x397/0x4c0 [ 678.054307] ? bpf_prog_get+0x20/0x20 [ 678.058106] ? do_syscall_64+0x26/0x620 [ 678.065297] ? lockdep_hardirqs_on+0x415/0x5d0 [ 678.069884] ? trace_hardirqs_on+0x67/0x220 [ 678.074290] do_syscall_64+0xfd/0x620 [ 678.078089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.083279] RIP: 0033:0x45af49 [ 678.086476] Code: Bad RIP value. [ 678.089839] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 678.097552] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 678.104813] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 678.112260] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 678.119519] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 678.126778] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 678.134070] warn_alloc_show_mem: 1 callbacks suppressed [ 678.134080] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 678.134082] Mem-Info: [ 678.134111] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 678.134111] active_file:13 inactive_file:11 isolated_file:0 [ 678.134111] unevictable:0 dirty:0 writeback:0 unstable:0 [ 678.134111] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 678.134111] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 678.134111] free:10923 free_pcp:135 free_cma:0 [ 678.139537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.146984] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 678.149376] Call Trace: [ 678.183418] Node 1 active_anon:1432kB 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 [ 678.192750] [ 678.220170] Node 0 DMA free:10256kB 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 [ 678.222759] dump_stack+0x197/0x210 [ 678.248657] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 678.250816] warn_alloc.cold+0x7b/0x173 [ 678.277049] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 678.280702] ? zone_watermark_ok_safe+0x260/0x260 [ 678.285689] lowmem_reserve[]: 0 0 1 1 1 [ 678.289695] ? __cpuset_node_allowed+0x136/0x540 [ 678.318321] 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 [ 678.323189] ? __isolate_free_page+0x4c0/0x4c0 [ 678.327147] lowmem_reserve[]: 0 0 0 0 0 [ 678.331914] ? wake_all_kswapds+0x14d/0x300 [ 678.357656] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 678.362244] __alloc_pages_slowpath+0x2214/0x2870 [ 678.366198] lowmem_reserve[]: 0 0 0 0 0 [ 678.370548] ? warn_alloc+0x110/0x110 [ 678.398368] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 678.403211] ? __lock_acquire+0x6ee/0x49c0 [ 678.407158] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 678.410966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 678.422721] 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 [ 678.426977] ? should_fail+0x14d/0x85c [ 678.441695] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 678.447319] ? __isolate_free_page+0x4c0/0x4c0 [ 678.457968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 678.461853] __alloc_pages_nodemask+0x617/0x750 [ 678.477028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 678.481616] ? __alloc_pages_slowpath+0x2870/0x2870 [ 678.490436] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 678.495113] ? find_held_lock+0x35/0x130 [ 678.503671] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 678.503679] 269 total pagecache pages [ 678.508690] cache_grow_begin+0x91/0x8c0 [ 678.517516] 0 pages in swap cache [ 678.521671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.530216] Swap cache stats: add 0, delete 0, find 0/0 [ 678.534004] ? __cpuset_node_allowed+0x136/0x540 [ 678.538043] Free swap = 0kB [ 678.538051] Total swap = 0kB [ 678.541504] fallback_alloc+0x1fd/0x2d0 [ 678.547016] 1965979 pages RAM [ 678.552395] ____cache_alloc_node+0x1be/0x1e0 [ 678.557135] 0 pages HighMem/MovableOnly [ 678.557143] 341723 pages reserved [ 678.560155] kmem_cache_alloc_node+0xe3/0x710 [ 678.563142] 0 pages cma reserved [ 678.563209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 678.567131] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 678.570286] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 678.574719] __alloc_skb+0xd5/0x5f0 [ 678.578672] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 678.582208] ? skb_trim+0x190/0x190 [ 678.624395] ? kasan_check_read+0x11/0x20 [ 678.628548] ndisc_alloc_skb+0x13c/0x340 [ 678.632606] ndisc_send_rs+0x35f/0x6e0 [ 678.636494] addrconf_rs_timer+0x30f/0x680 [ 678.640739] ? ipv6_get_lladdr+0x490/0x490 [ 678.644976] call_timer_fn+0x18d/0x720 [ 678.648855] ? ipv6_get_lladdr+0x490/0x490 [ 678.653091] ? process_timeout+0x40/0x40 [ 678.657144] ? run_timer_softirq+0x644/0x16a0 [ 678.661652] ? trace_hardirqs_on+0x67/0x220 [ 678.665994] ? ipv6_get_lladdr+0x490/0x490 [ 678.670248] run_timer_softirq+0x64f/0x16a0 [ 678.674593] ? add_timer+0xbe0/0xbe0 [ 678.678328] ? __lock_is_held+0xb6/0x140 [ 678.682421] __do_softirq+0x25c/0x921 [ 678.686223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.691790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 678.697340] irq_exit+0x180/0x1d0 [ 678.700797] smp_apic_timer_interrupt+0x13b/0x550 [ 678.705656] apic_timer_interrupt+0xf/0x20 [ 678.709885] [ 678.712119] RIP: 0010:smp_call_function_single+0x139/0x420 [ 678.717740] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 678.736645] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 678.744346] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 678.751614] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 678.758885] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 678.766148] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 678.773583] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 678.780857] ? smp_call_function_single+0x14c/0x420 [ 678.785866] ? smp_call_function_single+0x137/0x420 [ 678.790881] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 678.796671] ? generic_exec_single+0x490/0x490 [ 678.801246] ? __lock_acquire+0x6ee/0x49c0 [ 678.805487] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 678.811283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 678.816292] ? find_next_and_bit+0x19a/0x200 [ 678.820699] smp_call_function_many+0x75f/0x8e0 [ 678.825362] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 678.831156] native_flush_tlb_others+0x81/0x420 [ 678.835819] flush_tlb_mm_range+0x21c/0x350 [ 678.840161] ? native_flush_tlb_others+0x420/0x420 [ 678.845183] ? lock_acquire+0x16f/0x3f0 [ 678.849164] ? kasan_check_write+0x14/0x20 [ 678.853405] flush_tlb_batched_pending+0x6e/0xb0 [ 678.858174] unmap_page_range+0x8b5/0x1fb0 [ 678.862601] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 678.867094] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.872630] ? kasan_check_write+0x14/0x20 [ 678.876867] __oom_reap_task_mm+0x1fb/0x3a0 [ 678.881188] ? process_shares_mm+0x130/0x130 [ 678.885593] ? oom_reaper+0x12c/0x1160 [ 678.889479] ? __lock_is_held+0xb6/0x140 [ 678.893546] oom_reaper+0x246/0x1160 [ 678.897262] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 678.901762] ? trace_hardirqs_on+0x67/0x220 [ 678.906081] ? finish_wait+0x260/0x260 [ 678.909964] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 678.915084] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 678.920619] ? __kthread_parkme+0xfb/0x1b0 [ 678.924897] kthread+0x354/0x420 [ 678.928262] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 678.932864] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 678.938425] ret_from_fork+0x24/0x30 [ 678.942168] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 678.942232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 678.949980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.949985] Call Trace: [ 678.949991] [ 678.950009] dump_stack+0x197/0x210 [ 678.950027] warn_alloc.cold+0x7b/0x173 [ 678.956559] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 678.965878] ? zone_watermark_ok_safe+0x260/0x260 [ 678.968440] oom_reaper cpuset=/ mems_allowed=0-1 [ 678.970586] ? __cpuset_node_allowed+0x136/0x540 [ 679.002670] ? __isolate_free_page+0x4c0/0x4c0 [ 679.007374] ? wake_all_kswapds+0x14d/0x300 [ 679.011723] __alloc_pages_slowpath+0x2214/0x2870 [ 679.016587] ? warn_alloc+0x110/0x110 [ 679.020427] ? __lock_acquire+0x6ee/0x49c0 [ 679.024665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.030200] ? should_fail+0x14d/0x85c [ 679.034190] ? __isolate_free_page+0x4c0/0x4c0 [ 679.038803] __alloc_pages_nodemask+0x617/0x750 [ 679.043471] ? __alloc_pages_slowpath+0x2870/0x2870 [ 679.048486] ? find_held_lock+0x35/0x130 [ 679.052565] cache_grow_begin+0x91/0x8c0 [ 679.056648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.062190] ? __cpuset_node_allowed+0x136/0x540 [ 679.066954] fallback_alloc+0x1fd/0x2d0 [ 679.070943] ____cache_alloc_node+0x1be/0x1e0 [ 679.075437] kmem_cache_alloc_node+0xe3/0x710 [ 679.079928] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 679.084165] __alloc_skb+0xd5/0x5f0 [ 679.087789] ? skb_trim+0x190/0x190 [ 679.091408] ? kasan_check_read+0x11/0x20 [ 679.095565] ndisc_alloc_skb+0x13c/0x340 [ 679.099724] ndisc_send_rs+0x35f/0x6e0 [ 679.103622] addrconf_rs_timer+0x30f/0x680 [ 679.107855] ? ipv6_get_lladdr+0x490/0x490 [ 679.112090] call_timer_fn+0x18d/0x720 [ 679.115973] ? ipv6_get_lladdr+0x490/0x490 [ 679.120212] ? process_timeout+0x40/0x40 [ 679.124264] ? run_timer_softirq+0x644/0x16a0 [ 679.128761] ? trace_hardirqs_on+0x67/0x220 [ 679.133879] ? ipv6_get_lladdr+0x490/0x490 [ 679.138120] run_timer_softirq+0x64f/0x16a0 [ 679.142440] ? add_timer+0xbe0/0xbe0 [ 679.146155] ? __lock_is_held+0xb6/0x140 [ 679.150221] __do_softirq+0x25c/0x921 [ 679.154014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.159631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.165171] irq_exit+0x180/0x1d0 [ 679.168621] smp_apic_timer_interrupt+0x13b/0x550 [ 679.173475] apic_timer_interrupt+0xf/0x20 [ 679.177697] [ 679.179928] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 679.184852] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 679.203746] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 679.211447] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 679.218718] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 679.225999] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 679.233283] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 679.240639] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 679.247952] skb_clone+0x156/0x3e0 [ 679.251490] bpf_clone_redirect+0xb2/0x480 [ 679.255725] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 679.263250] ? 0xffffffff81000000 [ 679.266717] ? mark_held_locks+0x100/0x100 [ 679.270943] ? trace_hardirqs_on_caller+0x6a/0x220 [ 679.275872] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 679.280627] ? bpf_test_run+0x146/0x430 [ 679.284597] ? find_held_lock+0x35/0x130 [ 679.288650] ? bpf_test_run+0x146/0x430 [ 679.292622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.298154] ? check_preemption_disabled+0x48/0x290 [ 679.303176] ? lock_acquire+0x16f/0x3f0 [ 679.307147] ? kasan_check_read+0x11/0x20 [ 679.311287] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 679.316470] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 679.322021] bpf_test_run+0x10d/0x430 [ 679.325836] bpf_prog_test_run_skb+0x64b/0xb20 [ 679.330441] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 679.335287] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 679.340827] ? fput+0x128/0x1a0 [ 679.344117] ? __bpf_prog_get+0x97/0x290 [ 679.348180] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 679.353019] bpf_prog_test_run+0x129/0x1a0 [ 679.357250] __x64_sys_bpf+0x397/0x4c0 [ 679.361141] ? bpf_prog_get+0x20/0x20 [ 679.364942] ? do_syscall_64+0x26/0x620 [ 679.368913] ? lockdep_hardirqs_on+0x415/0x5d0 [ 679.373489] ? trace_hardirqs_on+0x67/0x220 [ 679.377807] do_syscall_64+0xfd/0x620 [ 679.381615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 679.386795] RIP: 0033:0x45af49 [ 679.390006] Code: Bad RIP value. [ 679.393365] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 679.401063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 679.408324] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 679.415584] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 679.422844] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 679.430203] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 679.437496] warn_alloc_show_mem: 1 callbacks suppressed [ 679.437506] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 679.437508] Mem-Info: [ 679.437538] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 679.437538] active_file:13 inactive_file:11 isolated_file:0 [ 679.437538] unevictable:0 dirty:0 writeback:0 unstable:0 [ 679.437538] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 679.437538] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 679.437538] free:10923 free_pcp:135 free_cma:0 [ 679.442892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.450260] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 679.452653] Call Trace: [ 679.485740] Node 1 active_anon:1432kB 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 [ 679.495093] [ 679.522715] Node 0 DMA free:10256kB 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 [ 679.525308] dump_stack+0x197/0x210 [ 679.551775] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 679.553947] warn_alloc.cold+0x7b/0x173 [ 679.580024] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 679.583685] ? zone_watermark_ok_safe+0x260/0x260 [ 679.588665] lowmem_reserve[]: 0 0 1 1 1 [ 679.592643] ? __cpuset_node_allowed+0x136/0x540 [ 679.621250] 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 [ 679.626109] ? __isolate_free_page+0x4c0/0x4c0 [ 679.630044] lowmem_reserve[]: 0 0 0 0 0 [ 679.634813] ? wake_all_kswapds+0x14d/0x300 [ 679.660820] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 679.665403] __alloc_pages_slowpath+0x2214/0x2870 [ 679.669340] lowmem_reserve[]: 0 0 0 0 0 [ 679.673690] ? warn_alloc+0x110/0x110 [ 679.701495] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 679.706348] ? __lock_acquire+0x6ee/0x49c0 [ 679.710292] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 679.714097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 679.725851] 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 [ 679.730091] ? should_fail+0x14d/0x85c [ 679.744890] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 679.750438] ? __isolate_free_page+0x4c0/0x4c0 [ 679.761087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 679.764971] __alloc_pages_nodemask+0x617/0x750 [ 679.780025] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 679.780038] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 679.784613] ? __alloc_pages_slowpath+0x2870/0x2870 [ 679.793418] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 679.793426] 269 total pagecache pages [ 679.798089] ? find_held_lock+0x35/0x130 [ 679.806654] 0 pages in swap cache [ 679.815502] cache_grow_begin+0x91/0x8c0 [ 679.820515] Swap cache stats: add 0, delete 0, find 0/0 [ 679.829079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.832847] Free swap = 0kB [ 679.832855] Total swap = 0kB [ 679.836917] ? __cpuset_node_allowed+0x136/0x540 [ 679.840347] 1965979 pages RAM [ 679.844494] fallback_alloc+0x1fd/0x2d0 [ 679.849828] 0 pages HighMem/MovableOnly [ 679.849836] 341723 pages reserved [ 679.855366] ____cache_alloc_node+0x1be/0x1e0 [ 679.858439] 0 pages cma reserved [ 679.858505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 679.861474] kmem_cache_alloc_node+0xe3/0x710 [ 679.866361] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 679.869325] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 679.873280] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 679.877257] __alloc_skb+0xd5/0x5f0 [ 679.923189] ? skb_trim+0x190/0x190 [ 679.926821] ? kasan_check_read+0x11/0x20 [ 679.930980] ndisc_alloc_skb+0x13c/0x340 [ 679.935037] ndisc_send_rs+0x35f/0x6e0 [ 679.938924] addrconf_rs_timer+0x30f/0x680 [ 679.943152] ? ipv6_get_lladdr+0x490/0x490 [ 679.947474] call_timer_fn+0x18d/0x720 [ 679.951355] ? ipv6_get_lladdr+0x490/0x490 [ 679.955585] ? process_timeout+0x40/0x40 [ 679.959637] ? run_timer_softirq+0x644/0x16a0 [ 679.964133] ? trace_hardirqs_on+0x67/0x220 [ 679.968451] ? ipv6_get_lladdr+0x490/0x490 [ 679.972676] run_timer_softirq+0x64f/0x16a0 [ 679.977008] ? add_timer+0xbe0/0xbe0 [ 679.980716] ? __lock_is_held+0xb6/0x140 [ 679.984782] __do_softirq+0x25c/0x921 [ 679.988589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.994156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 679.999727] irq_exit+0x180/0x1d0 [ 680.003185] smp_apic_timer_interrupt+0x13b/0x550 [ 680.008464] apic_timer_interrupt+0xf/0x20 [ 680.012704] [ 680.014942] RIP: 0010:smp_call_function_single+0x139/0x420 [ 680.020573] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 680.039553] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 680.047265] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 680.054528] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 680.064654] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 680.071932] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 680.079286] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 680.086647] ? smp_call_function_single+0x14c/0x420 [ 680.091697] ? smp_call_function_single+0x137/0x420 [ 680.096722] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 680.102521] ? generic_exec_single+0x490/0x490 [ 680.107097] ? __lock_acquire+0x6ee/0x49c0 [ 680.111326] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 680.117202] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 680.122209] ? find_next_and_bit+0x19a/0x200 [ 680.126614] smp_call_function_many+0x75f/0x8e0 [ 680.131277] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 680.137071] native_flush_tlb_others+0x81/0x420 [ 680.141733] flush_tlb_mm_range+0x21c/0x350 [ 680.146047] ? native_flush_tlb_others+0x420/0x420 [ 680.150971] ? lock_acquire+0x16f/0x3f0 [ 680.154945] ? kasan_check_write+0x14/0x20 [ 680.159173] flush_tlb_batched_pending+0x6e/0xb0 [ 680.163922] unmap_page_range+0x8b5/0x1fb0 [ 680.168180] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 680.172668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 680.178206] ? kasan_check_write+0x14/0x20 [ 680.182434] __oom_reap_task_mm+0x1fb/0x3a0 [ 680.186752] ? process_shares_mm+0x130/0x130 [ 680.191152] ? oom_reaper+0x12c/0x1160 [ 680.195035] ? __lock_is_held+0xb6/0x140 [ 680.199095] oom_reaper+0x246/0x1160 [ 680.202813] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 680.207298] ? trace_hardirqs_on+0x67/0x220 [ 680.211612] ? finish_wait+0x260/0x260 [ 680.215511] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 680.220609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 680.226139] ? __kthread_parkme+0xfb/0x1b0 [ 680.230370] kthread+0x354/0x420 [ 680.233729] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 680.238217] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 680.243748] ret_from_fork+0x24/0x30 [ 680.247468] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 680.247528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 680.255261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.255266] Call Trace: [ 680.255272] [ 680.255289] dump_stack+0x197/0x210 [ 680.255311] warn_alloc.cold+0x7b/0x173 [ 680.261854] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 680.271128] ? zone_watermark_ok_safe+0x260/0x260 [ 680.273684] oom_reaper cpuset=/ mems_allowed=0-1 [ 680.275832] ? __cpuset_node_allowed+0x136/0x540 [ 680.308129] ? __isolate_free_page+0x4c0/0x4c0 [ 680.312716] ? wake_all_kswapds+0x14d/0x300 [ 680.317057] __alloc_pages_slowpath+0x2214/0x2870 [ 680.322086] ? warn_alloc+0x110/0x110 [ 680.325884] ? __lock_acquire+0x6ee/0x49c0 [ 680.330115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 680.335658] ? should_fail+0x14d/0x85c [ 680.339559] ? __isolate_free_page+0x4c0/0x4c0 [ 680.344155] __alloc_pages_nodemask+0x617/0x750 [ 680.348835] ? __alloc_pages_slowpath+0x2870/0x2870 [ 680.353859] ? find_held_lock+0x35/0x130 [ 680.357921] cache_grow_begin+0x91/0x8c0 [ 680.361977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.367505] ? __cpuset_node_allowed+0x136/0x540 [ 680.372254] fallback_alloc+0x1fd/0x2d0 [ 680.376229] ____cache_alloc_node+0x1be/0x1e0 [ 680.380719] kmem_cache_alloc_node+0xe3/0x710 [ 680.385204] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 680.389697] __alloc_skb+0xd5/0x5f0 [ 680.393316] ? skb_trim+0x190/0x190 [ 680.396946] ? kasan_check_read+0x11/0x20 [ 680.401101] ndisc_alloc_skb+0x13c/0x340 [ 680.405155] ndisc_send_rs+0x35f/0x6e0 [ 680.409040] addrconf_rs_timer+0x30f/0x680 [ 680.413273] ? ipv6_get_lladdr+0x490/0x490 [ 680.417530] call_timer_fn+0x18d/0x720 [ 680.421507] ? ipv6_get_lladdr+0x490/0x490 [ 680.425730] ? process_timeout+0x40/0x40 [ 680.429780] ? run_timer_softirq+0x644/0x16a0 [ 680.434381] ? trace_hardirqs_on+0x67/0x220 [ 680.438697] ? ipv6_get_lladdr+0x490/0x490 [ 680.442920] run_timer_softirq+0x64f/0x16a0 [ 680.447250] ? add_timer+0xbe0/0xbe0 [ 680.450974] ? __lock_is_held+0xb6/0x140 [ 680.455037] __do_softirq+0x25c/0x921 [ 680.458830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.464366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.469919] irq_exit+0x180/0x1d0 [ 680.473368] smp_apic_timer_interrupt+0x13b/0x550 [ 680.478204] apic_timer_interrupt+0xf/0x20 [ 680.482423] [ 680.484650] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 680.489572] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 680.508476] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 680.516183] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 680.523449] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 680.530710] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 680.537970] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 680.545228] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 680.552529] skb_clone+0x156/0x3e0 [ 680.556067] bpf_clone_redirect+0xb2/0x480 [ 680.560311] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 680.565316] ? 0xffffffff81000000 [ 680.568770] ? mark_held_locks+0x100/0x100 [ 680.572999] ? trace_hardirqs_on_caller+0x6a/0x220 [ 680.577932] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 680.582679] ? bpf_test_run+0x146/0x430 [ 680.586644] ? find_held_lock+0x35/0x130 [ 680.590701] ? bpf_test_run+0x146/0x430 [ 680.594674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 680.600201] ? check_preemption_disabled+0x48/0x290 [ 680.605208] ? lock_acquire+0x16f/0x3f0 [ 680.609175] ? kasan_check_read+0x11/0x20 [ 680.613347] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 680.618556] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 680.624090] bpf_test_run+0x10d/0x430 [ 680.627896] bpf_prog_test_run_skb+0x64b/0xb20 [ 680.632479] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 680.637326] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 680.642859] ? fput+0x128/0x1a0 [ 680.646133] ? __bpf_prog_get+0x97/0x290 [ 680.650198] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 680.655048] bpf_prog_test_run+0x129/0x1a0 [ 680.659278] __x64_sys_bpf+0x397/0x4c0 [ 680.663158] ? bpf_prog_get+0x20/0x20 [ 680.666961] ? do_syscall_64+0x26/0x620 [ 680.670929] ? lockdep_hardirqs_on+0x415/0x5d0 [ 680.675504] ? trace_hardirqs_on+0x67/0x220 [ 680.679822] do_syscall_64+0xfd/0x620 [ 680.683622] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 680.688801] RIP: 0033:0x45af49 [ 680.691996] Code: Bad RIP value. [ 680.695350] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 680.703047] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 680.710313] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 680.717572] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 680.724842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 680.732100] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 680.739375] warn_alloc_show_mem: 1 callbacks suppressed [ 680.739389] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 680.739391] Mem-Info: [ 680.739420] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 680.739420] active_file:13 inactive_file:11 isolated_file:0 [ 680.739420] unevictable:0 dirty:0 writeback:0 unstable:0 [ 680.739420] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 680.739420] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 680.739420] free:10923 free_pcp:135 free_cma:0 [ 680.744763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 680.752235] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 680.754627] Call Trace: [ 680.788637] Node 1 active_anon:1432kB 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 [ 680.798102] [ 680.825532] Node 0 DMA free:10256kB 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 [ 680.828133] dump_stack+0x197/0x210 [ 680.854220] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 680.856366] warn_alloc.cold+0x7b/0x173 [ 680.882449] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 680.886075] ? zone_watermark_ok_safe+0x260/0x260 [ 680.891071] lowmem_reserve[]: 0 0 1 1 1 [ 680.895037] ? __cpuset_node_allowed+0x136/0x540 [ 680.923641] 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 [ 680.928490] ? __isolate_free_page+0x4c0/0x4c0 [ 680.932440] lowmem_reserve[]: 0 0 0 0 0 [ 680.937194] ? wake_all_kswapds+0x14d/0x300 [ 680.962932] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 680.967527] __alloc_pages_slowpath+0x2214/0x2870 [ 680.971480] lowmem_reserve[]: 0 0 0 0 0 [ 680.975824] ? warn_alloc+0x110/0x110 [ 681.003633] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 681.008483] ? __lock_acquire+0x6ee/0x49c0 [ 681.012430] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 681.016237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.027990] 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 [ 681.032248] ? should_fail+0x14d/0x85c [ 681.046989] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 681.052548] ? __isolate_free_page+0x4c0/0x4c0 [ 681.063199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 681.067112] __alloc_pages_nodemask+0x617/0x750 [ 681.082182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 681.082197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 681.087055] ? __alloc_pages_slowpath+0x2870/0x2870 [ 681.097448] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 681.097459] 269 total pagecache pages [ 681.102414] ? find_held_lock+0x35/0x130 [ 681.110971] 0 pages in swap cache [ 681.119926] cache_grow_begin+0x91/0x8c0 [ 681.124923] Swap cache stats: add 0, delete 0, find 0/0 [ 681.124933] Free swap = 0kB [ 681.133519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.137319] Total swap = 0kB [ 681.141408] ? __cpuset_node_allowed+0x136/0x540 [ 681.144960] 1965979 pages RAM [ 681.149029] fallback_alloc+0x1fd/0x2d0 [ 681.154385] 0 pages HighMem/MovableOnly [ 681.157416] ____cache_alloc_node+0x1be/0x1e0 [ 681.162948] 341723 pages reserved [ 681.162957] 0 pages cma reserved [ 681.165987] kmem_cache_alloc_node+0xe3/0x710 [ 681.170790] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 681.173836] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 681.177873] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 681.181791] __alloc_skb+0xd5/0x5f0 [ 681.186273] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 681.189745] ? skb_trim+0x190/0x190 [ 681.231442] ? kasan_check_read+0x11/0x20 [ 681.235598] ndisc_alloc_skb+0x13c/0x340 [ 681.239656] ndisc_send_rs+0x35f/0x6e0 [ 681.243541] addrconf_rs_timer+0x30f/0x680 [ 681.247774] ? ipv6_get_lladdr+0x490/0x490 [ 681.252010] call_timer_fn+0x18d/0x720 [ 681.255890] ? ipv6_get_lladdr+0x490/0x490 [ 681.260115] ? process_timeout+0x40/0x40 [ 681.264172] ? run_timer_softirq+0x644/0x16a0 [ 681.268838] ? trace_hardirqs_on+0x67/0x220 [ 681.273155] ? ipv6_get_lladdr+0x490/0x490 [ 681.277384] run_timer_softirq+0x64f/0x16a0 [ 681.281714] ? add_timer+0xbe0/0xbe0 [ 681.285422] ? __lock_is_held+0xb6/0x140 [ 681.289489] __do_softirq+0x25c/0x921 [ 681.293305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.298834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.304373] irq_exit+0x180/0x1d0 [ 681.307819] smp_apic_timer_interrupt+0x13b/0x550 [ 681.312658] apic_timer_interrupt+0xf/0x20 [ 681.316891] [ 681.319135] RIP: 0010:smp_call_function_single+0x139/0x420 [ 681.324771] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 681.343680] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 681.351407] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 681.358688] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 681.365970] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 681.373355] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 681.380621] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 681.388008] ? smp_call_function_single+0x14c/0x420 [ 681.393037] ? smp_call_function_single+0x137/0x420 [ 681.398061] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 681.403858] ? generic_exec_single+0x490/0x490 [ 681.408435] ? __lock_acquire+0x6ee/0x49c0 [ 681.412669] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 681.418462] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 681.423478] ? find_next_and_bit+0x19a/0x200 [ 681.427901] smp_call_function_many+0x75f/0x8e0 [ 681.432566] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 681.438365] native_flush_tlb_others+0x81/0x420 [ 681.443027] flush_tlb_mm_range+0x21c/0x350 [ 681.447342] ? native_flush_tlb_others+0x420/0x420 [ 681.452269] ? lock_acquire+0x16f/0x3f0 [ 681.456262] ? kasan_check_write+0x14/0x20 [ 681.460515] flush_tlb_batched_pending+0x6e/0xb0 [ 681.465288] unmap_page_range+0x8b5/0x1fb0 [ 681.469535] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 681.474028] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.479561] ? kasan_check_write+0x14/0x20 [ 681.483793] __oom_reap_task_mm+0x1fb/0x3a0 [ 681.488112] ? process_shares_mm+0x130/0x130 [ 681.492521] ? oom_reaper+0x12c/0x1160 [ 681.496413] ? __lock_is_held+0xb6/0x140 [ 681.500476] oom_reaper+0x246/0x1160 [ 681.504190] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 681.508716] ? trace_hardirqs_on+0x67/0x220 [ 681.513033] ? finish_wait+0x260/0x260 [ 681.516936] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 681.522043] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.527582] ? __kthread_parkme+0xfb/0x1b0 [ 681.531819] kthread+0x354/0x420 [ 681.535182] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 681.539672] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 681.545208] ret_from_fork+0x24/0x30 [ 681.548932] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 681.548993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 681.556748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 681.556756] Call Trace: [ 681.563416] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 681.572705] [ 681.575289] oom_reaper cpuset=/ mems_allowed=0-1 [ 681.585508] dump_stack+0x197/0x210 [ 681.595992] warn_alloc.cold+0x7b/0x173 [ 681.600484] ? zone_watermark_ok_safe+0x260/0x260 [ 681.605321] ? __cpuset_node_allowed+0x136/0x540 [ 681.610076] ? __isolate_free_page+0x4c0/0x4c0 [ 681.614652] ? wake_all_kswapds+0x14d/0x300 [ 681.618974] __alloc_pages_slowpath+0x2214/0x2870 [ 681.623825] ? warn_alloc+0x110/0x110 [ 681.627621] ? __lock_acquire+0x6ee/0x49c0 [ 681.634366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 681.639914] ? should_fail+0x14d/0x85c [ 681.643800] ? __isolate_free_page+0x4c0/0x4c0 [ 681.648854] __alloc_pages_nodemask+0x617/0x750 [ 681.653520] ? __alloc_pages_slowpath+0x2870/0x2870 [ 681.658538] ? find_held_lock+0x35/0x130 [ 681.662595] cache_grow_begin+0x91/0x8c0 [ 681.667518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.673443] ? __cpuset_node_allowed+0x136/0x540 [ 681.678216] fallback_alloc+0x1fd/0x2d0 [ 681.682216] ____cache_alloc_node+0x1be/0x1e0 [ 681.686741] kmem_cache_alloc_node+0xe3/0x710 [ 681.691372] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 681.695618] __alloc_skb+0xd5/0x5f0 [ 681.699249] ? skb_trim+0x190/0x190 [ 681.702869] ? kasan_check_read+0x11/0x20 [ 681.707017] ndisc_alloc_skb+0x13c/0x340 [ 681.711075] ndisc_send_rs+0x35f/0x6e0 [ 681.714959] addrconf_rs_timer+0x30f/0x680 [ 681.719190] ? ipv6_get_lladdr+0x490/0x490 [ 681.723428] call_timer_fn+0x18d/0x720 [ 681.727309] ? ipv6_get_lladdr+0x490/0x490 [ 681.731537] ? process_timeout+0x40/0x40 [ 681.735597] ? run_timer_softirq+0x644/0x16a0 [ 681.740092] ? trace_hardirqs_on+0x67/0x220 [ 681.744411] ? ipv6_get_lladdr+0x490/0x490 [ 681.748651] run_timer_softirq+0x64f/0x16a0 [ 681.752977] ? add_timer+0xbe0/0xbe0 [ 681.756686] ? __lock_is_held+0xb6/0x140 [ 681.760760] __do_softirq+0x25c/0x921 [ 681.764566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.770113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.775672] irq_exit+0x180/0x1d0 [ 681.779128] smp_apic_timer_interrupt+0x13b/0x550 [ 681.783969] apic_timer_interrupt+0xf/0x20 [ 681.788191] [ 681.790425] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 681.795362] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 681.814280] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 681.821981] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 681.829241] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 681.836508] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 681.843768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 681.851029] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 681.858330] skb_clone+0x156/0x3e0 [ 681.861880] bpf_clone_redirect+0xb2/0x480 [ 681.866114] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 681.871149] ? 0xffffffff81000000 [ 681.874622] ? mark_held_locks+0x100/0x100 [ 681.878868] ? trace_hardirqs_on_caller+0x6a/0x220 [ 681.885628] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 681.890388] ? bpf_test_run+0x146/0x430 [ 681.894356] ? find_held_lock+0x35/0x130 [ 681.898409] ? bpf_test_run+0x146/0x430 [ 681.902379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 681.907918] ? check_preemption_disabled+0x48/0x290 [ 681.912943] ? lock_acquire+0x16f/0x3f0 [ 681.916911] ? kasan_check_read+0x11/0x20 [ 681.921054] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 681.926237] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.931778] bpf_test_run+0x10d/0x430 [ 681.935596] bpf_prog_test_run_skb+0x64b/0xb20 [ 681.940176] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 681.945025] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 681.950643] ? fput+0x128/0x1a0 [ 681.953916] ? __bpf_prog_get+0x97/0x290 [ 681.957967] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 681.962800] bpf_prog_test_run+0x129/0x1a0 [ 681.967042] __x64_sys_bpf+0x397/0x4c0 [ 681.970920] ? bpf_prog_get+0x20/0x20 [ 681.974723] ? do_syscall_64+0x26/0x620 [ 681.978711] ? lockdep_hardirqs_on+0x415/0x5d0 [ 681.983291] ? trace_hardirqs_on+0x67/0x220 [ 681.987609] do_syscall_64+0xfd/0x620 [ 681.992274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 681.997454] RIP: 0033:0x45af49 [ 682.000653] Code: Bad RIP value. [ 682.004022] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 682.011718] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 682.018977] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 682.026236] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 682.033502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 682.043453] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 682.050734] warn_alloc_show_mem: 1 callbacks suppressed [ 682.050744] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 682.050746] Mem-Info: [ 682.050776] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 682.050776] active_file:13 inactive_file:11 isolated_file:0 [ 682.050776] unevictable:0 dirty:0 writeback:0 unstable:0 [ 682.050776] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 682.050776] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 682.050776] free:10923 free_pcp:135 free_cma:0 [ 682.056127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.063504] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 682.065896] Call Trace: [ 682.098972] Node 1 active_anon:1432kB 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 [ 682.108309] [ 682.135723] Node 0 DMA free:10256kB 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 [ 682.138338] dump_stack+0x197/0x210 [ 682.164273] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 682.166447] warn_alloc.cold+0x7b/0x173 [ 682.192560] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 682.196200] ? zone_watermark_ok_safe+0x260/0x260 [ 682.201184] lowmem_reserve[]: 0 0 1 1 1 [ 682.205172] ? __cpuset_node_allowed+0x136/0x540 [ 682.233918] 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 [ 682.238785] ? __isolate_free_page+0x4c0/0x4c0 [ 682.242712] lowmem_reserve[]: 0 0 0 0 0 [ 682.247467] ? wake_all_kswapds+0x14d/0x300 [ 682.273201] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 682.277794] __alloc_pages_slowpath+0x2214/0x2870 [ 682.281737] lowmem_reserve[]: 0 0 0 0 0 [ 682.286077] ? warn_alloc+0x110/0x110 [ 682.313884] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 682.318741] ? __lock_acquire+0x6ee/0x49c0 [ 682.322709] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 682.326512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.338306] 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 [ 682.342556] ? should_fail+0x14d/0x85c [ 682.357283] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 682.362843] ? __isolate_free_page+0x4c0/0x4c0 [ 682.374100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 682.377999] __alloc_pages_nodemask+0x617/0x750 [ 682.393072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 682.397794] ? __alloc_pages_slowpath+0x2870/0x2870 [ 682.406636] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 682.411322] ? find_held_lock+0x35/0x130 [ 682.419889] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 682.424937] cache_grow_begin+0x91/0x8c0 [ 682.434326] 269 total pagecache pages [ 682.438410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.446983] 0 pages in swap cache [ 682.451038] ? __cpuset_node_allowed+0x136/0x540 [ 682.454960] Swap cache stats: add 0, delete 0, find 0/0 [ 682.454970] Free swap = 0kB [ 682.460521] fallback_alloc+0x1fd/0x2d0 [ 682.463949] Total swap = 0kB [ 682.468752] ____cache_alloc_node+0x1be/0x1e0 [ 682.474089] 1965979 pages RAM [ 682.477118] kmem_cache_alloc_node+0xe3/0x710 [ 682.481080] 0 pages HighMem/MovableOnly [ 682.481090] 341723 pages reserved [ 682.484143] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 682.488615] 0 pages cma reserved [ 682.491739] __alloc_skb+0xd5/0x5f0 [ 682.496310] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 682.500242] ? skb_trim+0x190/0x190 [ 682.500262] ? kasan_check_read+0x11/0x20 [ 682.503750] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 682.507974] ndisc_alloc_skb+0x13c/0x340 [ 682.511329] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 682.514965] ndisc_send_rs+0x35f/0x6e0 [ 682.553269] addrconf_rs_timer+0x30f/0x680 [ 682.557507] ? ipv6_get_lladdr+0x490/0x490 [ 682.561746] call_timer_fn+0x18d/0x720 [ 682.565649] ? ipv6_get_lladdr+0x490/0x490 [ 682.569916] ? process_timeout+0x40/0x40 [ 682.573991] ? run_timer_softirq+0x644/0x16a0 [ 682.578503] ? trace_hardirqs_on+0x67/0x220 [ 682.582830] ? ipv6_get_lladdr+0x490/0x490 [ 682.587076] run_timer_softirq+0x64f/0x16a0 [ 682.591401] ? add_timer+0xbe0/0xbe0 [ 682.595111] ? __lock_is_held+0xb6/0x140 [ 682.599191] __do_softirq+0x25c/0x921 [ 682.603071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.608600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.614163] irq_exit+0x180/0x1d0 [ 682.617611] smp_apic_timer_interrupt+0x13b/0x550 [ 682.622449] apic_timer_interrupt+0xf/0x20 [ 682.626671] [ 682.628904] RIP: 0010:smp_call_function_single+0x139/0x420 [ 682.634521] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 682.653417] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 682.661206] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 682.668469] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 682.675747] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 682.683008] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 682.690269] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 682.697546] ? smp_call_function_single+0x14c/0x420 [ 682.704293] ? smp_call_function_single+0x137/0x420 [ 682.709332] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 682.715393] ? generic_exec_single+0x490/0x490 [ 682.720186] ? __lock_acquire+0x6ee/0x49c0 [ 682.724425] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 682.730240] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 682.735262] ? find_next_and_bit+0x19a/0x200 [ 682.739703] smp_call_function_many+0x75f/0x8e0 [ 682.744397] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 682.750565] native_flush_tlb_others+0x81/0x420 [ 682.755250] flush_tlb_mm_range+0x21c/0x350 [ 682.759586] ? native_flush_tlb_others+0x420/0x420 [ 682.764541] ? lock_acquire+0x16f/0x3f0 [ 682.768518] ? kasan_check_write+0x14/0x20 [ 682.772767] flush_tlb_batched_pending+0x6e/0xb0 [ 682.778854] unmap_page_range+0x8b5/0x1fb0 [ 682.783134] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 682.787645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 682.793209] ? kasan_check_write+0x14/0x20 [ 682.797447] __oom_reap_task_mm+0x1fb/0x3a0 [ 682.801795] ? process_shares_mm+0x130/0x130 [ 682.806262] ? oom_reaper+0x12c/0x1160 [ 682.810159] ? __lock_is_held+0xb6/0x140 [ 682.814229] oom_reaper+0x246/0x1160 [ 682.818123] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 682.822788] ? trace_hardirqs_on+0x67/0x220 [ 682.827105] ? finish_wait+0x260/0x260 [ 682.831004] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 682.836121] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 682.841659] ? __kthread_parkme+0xfb/0x1b0 [ 682.845909] kthread+0x354/0x420 [ 682.849295] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 682.853797] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 682.859458] ret_from_fork+0x24/0x30 [ 682.863199] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 682.863279] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 682.871004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 682.871010] Call Trace: [ 682.871016] [ 682.871038] dump_stack+0x197/0x210 [ 682.871054] warn_alloc.cold+0x7b/0x173 [ 682.871069] ? zone_watermark_ok_safe+0x260/0x260 [ 682.871086] ? __cpuset_node_allowed+0x136/0x540 [ 682.877641] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 682.887011] ? __isolate_free_page+0x4c0/0x4c0 [ 682.889565] oom_reaper cpuset=/ mems_allowed=0-1 [ 682.891709] ? wake_all_kswapds+0x14d/0x300 [ 682.932672] __alloc_pages_slowpath+0x2214/0x2870 [ 682.937535] ? warn_alloc+0x110/0x110 [ 682.941377] ? __lock_acquire+0x6ee/0x49c0 [ 682.945617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 682.951169] ? should_fail+0x14d/0x85c [ 682.955073] ? __isolate_free_page+0x4c0/0x4c0 [ 682.959667] __alloc_pages_nodemask+0x617/0x750 [ 682.964338] ? __alloc_pages_slowpath+0x2870/0x2870 [ 682.969356] ? find_held_lock+0x35/0x130 [ 682.973426] cache_grow_begin+0x91/0x8c0 [ 682.977479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 682.983009] ? __cpuset_node_allowed+0x136/0x540 [ 682.987766] fallback_alloc+0x1fd/0x2d0 [ 682.991743] ____cache_alloc_node+0x1be/0x1e0 [ 682.996255] kmem_cache_alloc_node+0xe3/0x710 [ 683.000752] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 683.004988] __alloc_skb+0xd5/0x5f0 [ 683.008648] ? skb_trim+0x190/0x190 [ 683.012268] ? kasan_check_read+0x11/0x20 [ 683.016430] ndisc_alloc_skb+0x13c/0x340 [ 683.020487] ndisc_send_rs+0x35f/0x6e0 [ 683.024372] addrconf_rs_timer+0x30f/0x680 [ 683.028617] ? ipv6_get_lladdr+0x490/0x490 [ 683.032851] call_timer_fn+0x18d/0x720 [ 683.036730] ? ipv6_get_lladdr+0x490/0x490 [ 683.040958] ? process_timeout+0x40/0x40 [ 683.045011] ? run_timer_softirq+0x644/0x16a0 [ 683.049503] ? trace_hardirqs_on+0x67/0x220 [ 683.053837] ? ipv6_get_lladdr+0x490/0x490 [ 683.058074] run_timer_softirq+0x64f/0x16a0 [ 683.062658] ? add_timer+0xbe0/0xbe0 [ 683.066364] ? __lock_is_held+0xb6/0x140 [ 683.070427] __do_softirq+0x25c/0x921 [ 683.074219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.079747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.085285] irq_exit+0x180/0x1d0 [ 683.088734] smp_apic_timer_interrupt+0x13b/0x550 [ 683.093578] apic_timer_interrupt+0xf/0x20 [ 683.097814] [ 683.100063] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 683.104988] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 683.123890] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 683.132196] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 683.139456] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 683.146732] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 683.154005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 683.161267] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 683.168553] skb_clone+0x156/0x3e0 [ 683.172089] bpf_clone_redirect+0xb2/0x480 [ 683.176320] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 683.181335] ? 0xffffffff81000000 [ 683.184794] ? mark_held_locks+0x100/0x100 [ 683.189021] ? trace_hardirqs_on_caller+0x6a/0x220 [ 683.193964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 683.198726] ? bpf_test_run+0x146/0x430 [ 683.202734] ? find_held_lock+0x35/0x130 [ 683.206840] ? bpf_test_run+0x146/0x430 [ 683.210823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.216374] ? check_preemption_disabled+0x48/0x290 [ 683.221410] ? lock_acquire+0x16f/0x3f0 [ 683.225390] ? kasan_check_read+0x11/0x20 [ 683.229534] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 683.234726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 683.240258] bpf_test_run+0x10d/0x430 [ 683.244062] bpf_prog_test_run_skb+0x64b/0xb20 [ 683.248649] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 683.253483] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 683.259015] ? fput+0x128/0x1a0 [ 683.262290] ? __bpf_prog_get+0x97/0x290 [ 683.266342] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 683.271176] bpf_prog_test_run+0x129/0x1a0 [ 683.275417] __x64_sys_bpf+0x397/0x4c0 [ 683.279295] ? bpf_prog_get+0x20/0x20 [ 683.283130] ? do_syscall_64+0x26/0x620 [ 683.287101] ? lockdep_hardirqs_on+0x415/0x5d0 [ 683.291836] ? trace_hardirqs_on+0x67/0x220 [ 683.296200] do_syscall_64+0xfd/0x620 [ 683.300007] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 683.305197] RIP: 0033:0x45af49 [ 683.308397] Code: Bad RIP value. [ 683.311750] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 683.319447] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 683.326794] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 683.334069] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 683.341434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 683.348732] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 683.356024] warn_alloc_show_mem: 1 callbacks suppressed [ 683.356034] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 683.356037] Mem-Info: [ 683.356071] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 683.356071] active_file:13 inactive_file:11 isolated_file:0 [ 683.356071] unevictable:0 dirty:0 writeback:0 unstable:0 [ 683.356071] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 683.356071] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 683.356071] free:10923 free_pcp:135 free_cma:0 [ 683.361400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 683.361408] Call Trace: [ 683.368770] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 683.371162] [ 683.404216] Node 1 active_anon:1432kB 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 [ 683.413550] dump_stack+0x197/0x210 [ 683.416114] Node 0 DMA free:10256kB 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 [ 683.443798] warn_alloc.cold+0x7b/0x173 [ 683.445921] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 683.471874] ? zone_watermark_ok_safe+0x260/0x260 [ 683.475535] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 683.501654] ? __cpuset_node_allowed+0x136/0x540 [ 683.505615] lowmem_reserve[]: 0 0 1 1 1 [ 683.510655] ? __isolate_free_page+0x4c0/0x4c0 [ 683.515480] 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 [ 683.544540] ? wake_all_kswapds+0x14d/0x300 [ 683.549266] lowmem_reserve[]: 0 0 0 0 0 [ 683.553252] __alloc_pages_slowpath+0x2214/0x2870 [ 683.557804] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 683.583583] ? warn_alloc+0x110/0x110 [ 683.587863] lowmem_reserve[]: 0 0 0 0 0 [ 683.591834] ? __lock_acquire+0x6ee/0x49c0 [ 683.596646] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 683.624608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 683.628383] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 683.632355] ? should_fail+0x14d/0x85c [ 683.636570] 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 [ 683.648368] ? __isolate_free_page+0x4c0/0x4c0 [ 683.653891] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 683.669857] __alloc_pages_nodemask+0x617/0x750 [ 683.673721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 683.684380] ? __alloc_pages_slowpath+0x2870/0x2870 [ 683.688939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 683.704016] ? find_held_lock+0x35/0x130 [ 683.708660] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 683.717492] cache_grow_begin+0x91/0x8c0 [ 683.722497] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 683.731056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.735087] 269 total pagecache pages [ 683.743915] ? __cpuset_node_allowed+0x136/0x540 [ 683.747954] 0 pages in swap cache [ 683.756605] fallback_alloc+0x1fd/0x2d0 [ 683.762120] Swap cache stats: add 0, delete 0, find 0/0 [ 683.765910] ____cache_alloc_node+0x1be/0x1e0 [ 683.770646] Free swap = 0kB [ 683.774089] kmem_cache_alloc_node+0xe3/0x710 [ 683.778036] Total swap = 0kB [ 683.783391] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 683.787869] 1965979 pages RAM [ 683.790908] __alloc_skb+0xd5/0x5f0 [ 683.795367] 0 pages HighMem/MovableOnly [ 683.795375] 341723 pages reserved [ 683.798383] ? skb_trim+0x190/0x190 [ 683.802587] 0 pages cma reserved [ 683.805675] ? kasan_check_read+0x11/0x20 [ 683.805699] ndisc_alloc_skb+0x13c/0x340 [ 683.809359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 683.813450] ndisc_send_rs+0x35f/0x6e0 [ 683.816922] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 683.820497] addrconf_rs_timer+0x30f/0x680 [ 683.823846] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 683.828019] ? ipv6_get_lladdr+0x490/0x490 [ 683.867452] call_timer_fn+0x18d/0x720 [ 683.871336] ? ipv6_get_lladdr+0x490/0x490 [ 683.875561] ? process_timeout+0x40/0x40 [ 683.879612] ? run_timer_softirq+0x644/0x16a0 [ 683.884190] ? trace_hardirqs_on+0x67/0x220 [ 683.888516] ? ipv6_get_lladdr+0x490/0x490 [ 683.892742] run_timer_softirq+0x64f/0x16a0 [ 683.897058] ? add_timer+0xbe0/0xbe0 [ 683.900768] ? __lock_is_held+0xb6/0x140 [ 683.904831] __do_softirq+0x25c/0x921 [ 683.908629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.914162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 683.919698] irq_exit+0x180/0x1d0 [ 683.923150] smp_apic_timer_interrupt+0x13b/0x550 [ 683.928073] apic_timer_interrupt+0xf/0x20 [ 683.932295] [ 683.934524] RIP: 0010:smp_call_function_single+0x139/0x420 [ 683.940155] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 683.959044] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 683.966753] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 683.974011] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 683.981270] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 683.988527] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 683.995785] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 684.003058] ? smp_call_function_single+0x14c/0x420 [ 684.008066] ? smp_call_function_single+0x137/0x420 [ 684.013154] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 684.018992] ? generic_exec_single+0x490/0x490 [ 684.023571] ? __lock_acquire+0x6ee/0x49c0 [ 684.027800] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 684.033596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.038607] ? find_next_and_bit+0x19a/0x200 [ 684.043025] smp_call_function_many+0x75f/0x8e0 [ 684.047696] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 684.053576] native_flush_tlb_others+0x81/0x420 [ 684.058240] flush_tlb_mm_range+0x21c/0x350 [ 684.062554] ? native_flush_tlb_others+0x420/0x420 [ 684.067489] ? lock_acquire+0x16f/0x3f0 [ 684.071461] ? kasan_check_write+0x14/0x20 [ 684.075690] flush_tlb_batched_pending+0x6e/0xb0 [ 684.080448] unmap_page_range+0x8b5/0x1fb0 [ 684.084688] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 684.089174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.095280] ? kasan_check_write+0x14/0x20 [ 684.099508] __oom_reap_task_mm+0x1fb/0x3a0 [ 684.103825] ? process_shares_mm+0x130/0x130 [ 684.108251] ? oom_reaper+0x12c/0x1160 [ 684.112136] ? __lock_is_held+0xb6/0x140 [ 684.116199] oom_reaper+0x246/0x1160 [ 684.119921] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 684.124755] ? trace_hardirqs_on+0x67/0x220 [ 684.129073] ? finish_wait+0x260/0x260 [ 684.132956] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 684.138051] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.143582] ? __kthread_parkme+0xfb/0x1b0 [ 684.147824] kthread+0x354/0x420 [ 684.151186] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 684.156027] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 684.161556] ret_from_fork+0x24/0x30 [ 684.165282] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 684.165343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 684.173423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.173428] Call Trace: [ 684.173434] [ 684.173450] dump_stack+0x197/0x210 [ 684.173467] warn_alloc.cold+0x7b/0x173 [ 684.180005] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 684.189286] ? zone_watermark_ok_safe+0x260/0x260 [ 684.191843] oom_reaper cpuset=/ mems_allowed=0-1 [ 684.193995] ? __cpuset_node_allowed+0x136/0x540 [ 684.226088] ? __isolate_free_page+0x4c0/0x4c0 [ 684.230680] ? wake_all_kswapds+0x14d/0x300 [ 684.235026] __alloc_pages_slowpath+0x2214/0x2870 [ 684.239902] ? warn_alloc+0x110/0x110 [ 684.243705] ? __lock_acquire+0x6ee/0x49c0 [ 684.247955] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.253504] ? should_fail+0x14d/0x85c [ 684.257401] ? __isolate_free_page+0x4c0/0x4c0 [ 684.262126] __alloc_pages_nodemask+0x617/0x750 [ 684.266799] ? __alloc_pages_slowpath+0x2870/0x2870 [ 684.271818] ? find_held_lock+0x35/0x130 [ 684.275899] cache_grow_begin+0x91/0x8c0 [ 684.279962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.285525] ? __cpuset_node_allowed+0x136/0x540 [ 684.290308] fallback_alloc+0x1fd/0x2d0 [ 684.294294] ____cache_alloc_node+0x1be/0x1e0 [ 684.298790] kmem_cache_alloc_node+0xe3/0x710 [ 684.303311] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 684.307662] __alloc_skb+0xd5/0x5f0 [ 684.312955] ? skb_trim+0x190/0x190 [ 684.316677] ? kasan_check_read+0x11/0x20 [ 684.320849] ndisc_alloc_skb+0x13c/0x340 [ 684.324920] ndisc_send_rs+0x35f/0x6e0 [ 684.328822] addrconf_rs_timer+0x30f/0x680 [ 684.333059] ? ipv6_get_lladdr+0x490/0x490 [ 684.337299] call_timer_fn+0x18d/0x720 [ 684.341199] ? ipv6_get_lladdr+0x490/0x490 [ 684.345448] ? process_timeout+0x40/0x40 [ 684.349505] ? run_timer_softirq+0x644/0x16a0 [ 684.354112] ? trace_hardirqs_on+0x67/0x220 [ 684.358545] ? ipv6_get_lladdr+0x490/0x490 [ 684.362893] run_timer_softirq+0x64f/0x16a0 [ 684.367234] ? add_timer+0xbe0/0xbe0 [ 684.370961] ? __lock_is_held+0xb6/0x140 [ 684.375047] __do_softirq+0x25c/0x921 [ 684.378873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.384421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.389969] irq_exit+0x180/0x1d0 [ 684.393438] smp_apic_timer_interrupt+0x13b/0x550 [ 684.399243] apic_timer_interrupt+0xf/0x20 [ 684.403482] [ 684.405720] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 684.410648] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 684.429676] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 684.437382] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 684.444657] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 684.451928] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 684.459301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 684.466598] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 684.473916] skb_clone+0x156/0x3e0 [ 684.477461] bpf_clone_redirect+0xb2/0x480 [ 684.481710] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 684.486743] ? 0xffffffff81000000 [ 684.490213] ? mark_held_locks+0x100/0x100 [ 684.494454] ? trace_hardirqs_on_caller+0x6a/0x220 [ 684.499559] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 684.504426] ? bpf_test_run+0x146/0x430 [ 684.508402] ? find_held_lock+0x35/0x130 [ 684.512465] ? bpf_test_run+0x146/0x430 [ 684.516440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.521973] ? check_preemption_disabled+0x48/0x290 [ 684.526982] ? lock_acquire+0x16f/0x3f0 [ 684.530977] ? kasan_check_read+0x11/0x20 [ 684.535119] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 684.540314] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.545848] bpf_test_run+0x10d/0x430 [ 684.549650] bpf_prog_test_run_skb+0x64b/0xb20 [ 684.554239] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 684.559069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 684.564602] ? fput+0x128/0x1a0 [ 684.567876] ? __bpf_prog_get+0x97/0x290 [ 684.571947] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 684.577171] bpf_prog_test_run+0x129/0x1a0 [ 684.581415] __x64_sys_bpf+0x397/0x4c0 [ 684.586264] ? bpf_prog_get+0x20/0x20 [ 684.590064] ? do_syscall_64+0x26/0x620 [ 684.594035] ? lockdep_hardirqs_on+0x415/0x5d0 [ 684.598621] ? trace_hardirqs_on+0x67/0x220 [ 684.603286] do_syscall_64+0xfd/0x620 [ 684.607173] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 684.612353] RIP: 0033:0x45af49 [ 684.615549] Code: Bad RIP value. [ 684.618905] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 684.626605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 684.633868] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 684.641215] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 684.648476] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 684.656725] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 684.664024] warn_alloc_show_mem: 1 callbacks suppressed [ 684.664035] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 684.664037] Mem-Info: [ 684.664066] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 684.664066] active_file:13 inactive_file:11 isolated_file:0 [ 684.664066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 684.664066] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 684.664066] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 684.664066] free:10923 free_pcp:135 free_cma:0 [ 684.669406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.676865] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 684.679256] Call Trace: [ 684.712738] Node 1 active_anon:1432kB 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 [ 684.712746] Node 0 DMA free:10256kB 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 [ 684.722101] [ 684.749487] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 684.752088] dump_stack+0x197/0x210 [ 684.777986] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 684.804104] warn_alloc.cold+0x7b/0x173 [ 684.806230] lowmem_reserve[]: 0 0 1 1 1 [ 684.811250] ? zone_watermark_ok_safe+0x260/0x260 [ 684.814847] 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 [ 684.843489] ? __cpuset_node_allowed+0x136/0x540 [ 684.847441] lowmem_reserve[]: 0 0 0 0 0 [ 684.851416] ? __isolate_free_page+0x4c0/0x4c0 [ 684.856229] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 684.882002] ? wake_all_kswapds+0x14d/0x300 [ 684.886732] lowmem_reserve[]: 0 0 0 0 0 [ 684.890711] __alloc_pages_slowpath+0x2214/0x2870 [ 684.895275] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 684.923161] ? warn_alloc+0x110/0x110 [ 684.927444] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 684.931418] ? __lock_acquire+0x6ee/0x49c0 [ 684.936235] 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 [ 684.948719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.952506] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 684.967229] ? should_fail+0x14d/0x85c [ 684.971443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 684.982093] ? __isolate_free_page+0x4c0/0x4c0 [ 684.987605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 685.002693] __alloc_pages_nodemask+0x617/0x750 [ 685.006561] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 685.015395] ? __alloc_pages_slowpath+0x2870/0x2870 [ 685.019955] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 685.028525] ? find_held_lock+0x35/0x130 [ 685.033164] 269 total pagecache pages [ 685.041989] cache_grow_begin+0x91/0x8c0 [ 685.046983] 0 pages in swap cache [ 685.055545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.059591] Swap cache stats: add 0, delete 0, find 0/0 [ 685.063375] ? __cpuset_node_allowed+0x136/0x540 [ 685.067409] Free swap = 0kB [ 685.070923] fallback_alloc+0x1fd/0x2d0 [ 685.076463] Total swap = 0kB [ 685.076474] 1965979 pages RAM [ 685.081866] ____cache_alloc_node+0x1be/0x1e0 [ 685.086599] 0 pages HighMem/MovableOnly [ 685.089615] kmem_cache_alloc_node+0xe3/0x710 [ 685.093562] 341723 pages reserved [ 685.096575] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 685.099647] 0 pages cma reserved [ 685.099732] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 685.104145] __alloc_skb+0xd5/0x5f0 [ 685.108177] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 685.112588] ? skb_trim+0x190/0x190 [ 685.116021] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 685.120241] ? kasan_check_read+0x11/0x20 [ 685.120265] ndisc_alloc_skb+0x13c/0x340 [ 685.163045] ndisc_send_rs+0x35f/0x6e0 [ 685.166929] addrconf_rs_timer+0x30f/0x680 [ 685.171162] ? ipv6_get_lladdr+0x490/0x490 [ 685.175497] call_timer_fn+0x18d/0x720 [ 685.179376] ? ipv6_get_lladdr+0x490/0x490 [ 685.183629] ? process_timeout+0x40/0x40 [ 685.187691] ? run_timer_softirq+0x644/0x16a0 [ 685.192178] ? trace_hardirqs_on+0x67/0x220 [ 685.196496] ? ipv6_get_lladdr+0x490/0x490 [ 685.200724] run_timer_softirq+0x64f/0x16a0 [ 685.205041] ? add_timer+0xbe0/0xbe0 [ 685.208758] ? __lock_is_held+0xb6/0x140 [ 685.212823] __do_softirq+0x25c/0x921 [ 685.216615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.222151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.227690] irq_exit+0x180/0x1d0 [ 685.231155] smp_apic_timer_interrupt+0x13b/0x550 [ 685.236000] apic_timer_interrupt+0xf/0x20 [ 685.240219] [ 685.242453] RIP: 0010:smp_call_function_single+0x139/0x420 [ 685.248072] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 685.266968] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 685.274665] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 685.281927] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 685.289274] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 685.296537] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 685.303809] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 685.311088] ? smp_call_function_single+0x14c/0x420 [ 685.316097] ? smp_call_function_single+0x137/0x420 [ 685.321112] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 685.326906] ? generic_exec_single+0x490/0x490 [ 685.331494] ? __lock_acquire+0x6ee/0x49c0 [ 685.335762] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 685.341565] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 685.346582] ? find_next_and_bit+0x19a/0x200 [ 685.351080] smp_call_function_many+0x75f/0x8e0 [ 685.355758] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 685.361577] native_flush_tlb_others+0x81/0x420 [ 685.366262] flush_tlb_mm_range+0x21c/0x350 [ 685.370730] ? native_flush_tlb_others+0x420/0x420 [ 685.375691] ? lock_acquire+0x16f/0x3f0 [ 685.379676] ? kasan_check_write+0x14/0x20 [ 685.383918] flush_tlb_batched_pending+0x6e/0xb0 [ 685.388674] unmap_page_range+0x8b5/0x1fb0 [ 685.392919] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 685.397407] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 685.402939] ? kasan_check_write+0x14/0x20 [ 685.407177] __oom_reap_task_mm+0x1fb/0x3a0 [ 685.411497] ? process_shares_mm+0x130/0x130 [ 685.415903] ? oom_reaper+0x12c/0x1160 [ 685.419792] ? __lock_is_held+0xb6/0x140 [ 685.423935] oom_reaper+0x246/0x1160 [ 685.427679] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 685.432177] ? trace_hardirqs_on+0x67/0x220 [ 685.436523] ? finish_wait+0x260/0x260 [ 685.440414] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 685.445515] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 685.451045] ? __kthread_parkme+0xfb/0x1b0 [ 685.455276] kthread+0x354/0x420 [ 685.458637] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 685.463122] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 685.468652] ret_from_fork+0x24/0x30 [ 685.472374] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 685.472433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 685.480182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.480186] Call Trace: [ 685.480192] [ 685.480207] dump_stack+0x197/0x210 [ 685.480225] warn_alloc.cold+0x7b/0x173 [ 685.486758] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 685.496064] ? zone_watermark_ok_safe+0x260/0x260 [ 685.498637] oom_reaper cpuset=/ mems_allowed=0-1 [ 685.500781] ? __cpuset_node_allowed+0x136/0x540 [ 685.532918] ? __isolate_free_page+0x4c0/0x4c0 [ 685.537499] ? wake_all_kswapds+0x14d/0x300 [ 685.541823] __alloc_pages_slowpath+0x2214/0x2870 [ 685.546691] ? warn_alloc+0x110/0x110 [ 685.550489] ? __lock_acquire+0x6ee/0x49c0 [ 685.554806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.561207] ? should_fail+0x14d/0x85c [ 685.565180] ? __isolate_free_page+0x4c0/0x4c0 [ 685.570461] __alloc_pages_nodemask+0x617/0x750 [ 685.575137] ? __alloc_pages_slowpath+0x2870/0x2870 [ 685.580163] ? find_held_lock+0x35/0x130 [ 685.584745] cache_grow_begin+0x91/0x8c0 [ 685.588802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.594331] ? __cpuset_node_allowed+0x136/0x540 [ 685.599179] fallback_alloc+0x1fd/0x2d0 [ 685.603151] ____cache_alloc_node+0x1be/0x1e0 [ 685.607729] kmem_cache_alloc_node+0xe3/0x710 [ 685.612218] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 685.616457] __alloc_skb+0xd5/0x5f0 [ 685.620080] ? skb_trim+0x190/0x190 [ 685.623699] ? kasan_check_read+0x11/0x20 [ 685.627846] ndisc_alloc_skb+0x13c/0x340 [ 685.631904] ndisc_send_rs+0x35f/0x6e0 [ 685.635823] addrconf_rs_timer+0x30f/0x680 [ 685.640329] ? ipv6_get_lladdr+0x490/0x490 [ 685.644693] call_timer_fn+0x18d/0x720 [ 685.648582] ? ipv6_get_lladdr+0x490/0x490 [ 685.652811] ? process_timeout+0x40/0x40 [ 685.656870] ? run_timer_softirq+0x644/0x16a0 [ 685.661396] ? trace_hardirqs_on+0x67/0x220 [ 685.666248] ? ipv6_get_lladdr+0x490/0x490 [ 685.670495] run_timer_softirq+0x64f/0x16a0 [ 685.674848] ? add_timer+0xbe0/0xbe0 [ 685.678576] ? __lock_is_held+0xb6/0x140 [ 685.682656] __do_softirq+0x25c/0x921 [ 685.686483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.692036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.697591] irq_exit+0x180/0x1d0 [ 685.701071] smp_apic_timer_interrupt+0x13b/0x550 [ 685.705948] apic_timer_interrupt+0xf/0x20 [ 685.710212] [ 685.712469] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 685.717931] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 685.737063] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 685.744789] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 685.752214] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 685.759511] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 685.766793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 685.774075] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 685.781418] skb_clone+0x156/0x3e0 [ 685.784965] bpf_clone_redirect+0xb2/0x480 [ 685.789225] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 685.794249] ? 0xffffffff81000000 [ 685.797725] ? mark_held_locks+0x100/0x100 [ 685.801978] ? trace_hardirqs_on_caller+0x6a/0x220 [ 685.806934] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 685.811857] ? bpf_test_run+0x146/0x430 [ 685.815839] ? find_held_lock+0x35/0x130 [ 685.820008] ? bpf_test_run+0x146/0x430 [ 685.824012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.829571] ? check_preemption_disabled+0x48/0x290 [ 685.834617] ? lock_acquire+0x16f/0x3f0 [ 685.838608] ? kasan_check_read+0x11/0x20 [ 685.842794] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 685.848129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 685.853697] bpf_test_run+0x10d/0x430 [ 685.857531] bpf_prog_test_run_skb+0x64b/0xb20 [ 685.862127] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 685.867055] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 685.872599] ? fput+0x128/0x1a0 [ 685.875872] ? __bpf_prog_get+0x97/0x290 [ 685.879922] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 685.885276] bpf_prog_test_run+0x129/0x1a0 [ 685.889508] __x64_sys_bpf+0x397/0x4c0 [ 685.893385] ? bpf_prog_get+0x20/0x20 [ 685.897194] ? do_syscall_64+0x26/0x620 [ 685.901162] ? lockdep_hardirqs_on+0x415/0x5d0 [ 685.905737] ? trace_hardirqs_on+0x67/0x220 [ 685.910051] do_syscall_64+0xfd/0x620 [ 685.913858] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 685.919036] RIP: 0033:0x45af49 [ 685.922233] Code: Bad RIP value. [ 685.925586] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 685.933282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 685.940543] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 685.947807] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 685.955082] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 685.962361] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 685.969662] warn_alloc_show_mem: 1 callbacks suppressed [ 685.969673] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 685.969676] Mem-Info: [ 685.969706] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 685.969706] active_file:13 inactive_file:11 isolated_file:0 [ 685.969706] unevictable:0 dirty:0 writeback:0 unstable:0 [ 685.969706] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 685.969706] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 685.969706] free:10923 free_pcp:135 free_cma:0 [ 685.975054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.975065] Call Trace: [ 685.982440] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 685.984830] [ 686.017992] Node 1 active_anon:1432kB 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 [ 686.028108] dump_stack+0x197/0x210 [ 686.030686] Node 0 DMA free:10256kB 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 [ 686.058537] warn_alloc.cold+0x7b/0x173 [ 686.060661] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 686.087285] ? zone_watermark_ok_safe+0x260/0x260 [ 686.091408] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 686.117518] ? __cpuset_node_allowed+0x136/0x540 [ 686.121470] lowmem_reserve[]: 0 0 1 1 1 [ 686.126488] ? __isolate_free_page+0x4c0/0x4c0 [ 686.131313] 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 [ 686.160204] ? wake_all_kswapds+0x14d/0x300 [ 686.164944] lowmem_reserve[]: 0 0 0 0 0 [ 686.169194] __alloc_pages_slowpath+0x2214/0x2870 [ 686.173762] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 686.199535] ? warn_alloc+0x110/0x110 [ 686.203816] lowmem_reserve[]: 0 0 0 0 0 [ 686.207786] ? __lock_acquire+0x6ee/0x49c0 [ 686.212613] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 686.240459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.244232] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 686.248200] ? should_fail+0x14d/0x85c [ 686.252404] 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 [ 686.264204] ? __isolate_free_page+0x4c0/0x4c0 [ 686.269826] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 686.284854] __alloc_pages_nodemask+0x617/0x750 [ 686.288715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 686.299372] ? __alloc_pages_slowpath+0x2870/0x2870 [ 686.303934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 686.319021] ? find_held_lock+0x35/0x130 [ 686.323661] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 686.332619] cache_grow_begin+0x91/0x8c0 [ 686.337616] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 686.346194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.350238] 269 total pagecache pages [ 686.359065] ? __cpuset_node_allowed+0x136/0x540 [ 686.363104] 0 pages in swap cache [ 686.371839] fallback_alloc+0x1fd/0x2d0 [ 686.377354] Swap cache stats: add 0, delete 0, find 0/0 [ 686.377363] Free swap = 0kB [ 686.381157] ____cache_alloc_node+0x1be/0x1e0 [ 686.385892] Total swap = 0kB [ 686.389341] kmem_cache_alloc_node+0xe3/0x710 [ 686.393297] 1965979 pages RAM [ 686.398654] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 686.401645] 0 pages HighMem/MovableOnly [ 686.406135] __alloc_skb+0xd5/0x5f0 [ 686.409125] 341723 pages reserved [ 686.409133] 0 pages cma reserved [ 686.413621] ? skb_trim+0x190/0x190 [ 686.416767] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 686.420931] ? kasan_check_read+0x11/0x20 [ 686.420954] ndisc_alloc_skb+0x13c/0x340 [ 686.420972] ndisc_send_rs+0x35f/0x6e0 [ 686.424976] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 686.428552] addrconf_rs_timer+0x30f/0x680 [ 686.431977] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 686.435350] ? ipv6_get_lladdr+0x490/0x490 [ 686.482540] call_timer_fn+0x18d/0x720 [ 686.486427] ? ipv6_get_lladdr+0x490/0x490 [ 686.490658] ? process_timeout+0x40/0x40 [ 686.494713] ? run_timer_softirq+0x644/0x16a0 [ 686.499228] ? trace_hardirqs_on+0x67/0x220 [ 686.503566] ? ipv6_get_lladdr+0x490/0x490 [ 686.508085] run_timer_softirq+0x64f/0x16a0 [ 686.512512] ? add_timer+0xbe0/0xbe0 [ 686.516249] ? __lock_is_held+0xb6/0x140 [ 686.520332] __do_softirq+0x25c/0x921 [ 686.524136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.529692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.535234] irq_exit+0x180/0x1d0 [ 686.538683] smp_apic_timer_interrupt+0x13b/0x550 [ 686.543519] apic_timer_interrupt+0xf/0x20 [ 686.547742] [ 686.549983] RIP: 0010:smp_call_function_single+0x139/0x420 [ 686.555601] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 686.574501] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 686.582199] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 686.589468] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 686.596729] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 686.603988] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 686.611249] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 686.618608] ? smp_call_function_single+0x14c/0x420 [ 686.623615] ? smp_call_function_single+0x137/0x420 [ 686.628629] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 686.634429] ? generic_exec_single+0x490/0x490 [ 686.639003] ? __lock_acquire+0x6ee/0x49c0 [ 686.643231] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 686.649021] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 686.654117] ? find_next_and_bit+0x19a/0x200 [ 686.658532] smp_call_function_many+0x75f/0x8e0 [ 686.663194] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 686.668985] native_flush_tlb_others+0x81/0x420 [ 686.673645] flush_tlb_mm_range+0x21c/0x350 [ 686.677969] ? native_flush_tlb_others+0x420/0x420 [ 686.682891] ? lock_acquire+0x16f/0x3f0 [ 686.686860] ? kasan_check_write+0x14/0x20 [ 686.691085] flush_tlb_batched_pending+0x6e/0xb0 [ 686.695834] unmap_page_range+0x8b5/0x1fb0 [ 686.700076] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 686.704578] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 686.710136] ? kasan_check_write+0x14/0x20 [ 686.714396] __oom_reap_task_mm+0x1fb/0x3a0 [ 686.718717] ? process_shares_mm+0x130/0x130 [ 686.723127] ? oom_reaper+0x12c/0x1160 [ 686.727017] ? __lock_is_held+0xb6/0x140 [ 686.731084] oom_reaper+0x246/0x1160 [ 686.734800] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 686.739287] ? trace_hardirqs_on+0x67/0x220 [ 686.743601] ? finish_wait+0x260/0x260 [ 686.747483] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 686.752584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 686.758111] ? __kthread_parkme+0xfb/0x1b0 [ 686.762340] kthread+0x354/0x420 [ 686.765703] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 686.770189] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 686.775719] ret_from_fork+0x24/0x30 [ 686.779440] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 686.779498] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 686.787236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.787244] Call Trace: [ 686.793800] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 686.803060] [ 686.805626] oom_reaper cpuset=/ mems_allowed=0-1 [ 686.815868] dump_stack+0x197/0x210 [ 686.826369] warn_alloc.cold+0x7b/0x173 [ 686.831290] ? zone_watermark_ok_safe+0x260/0x260 [ 686.836213] ? __cpuset_node_allowed+0x136/0x540 [ 686.840966] ? __isolate_free_page+0x4c0/0x4c0 [ 686.845546] ? wake_all_kswapds+0x14d/0x300 [ 686.849876] __alloc_pages_slowpath+0x2214/0x2870 [ 686.854735] ? warn_alloc+0x110/0x110 [ 686.859138] ? __lock_acquire+0x6ee/0x49c0 [ 686.863377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.868909] ? should_fail+0x14d/0x85c [ 686.872791] ? __isolate_free_page+0x4c0/0x4c0 [ 686.877382] __alloc_pages_nodemask+0x617/0x750 [ 686.882047] ? __alloc_pages_slowpath+0x2870/0x2870 [ 686.887237] ? find_held_lock+0x35/0x130 [ 686.891304] cache_grow_begin+0x91/0x8c0 [ 686.895357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.900893] ? __cpuset_node_allowed+0x136/0x540 [ 686.905652] fallback_alloc+0x1fd/0x2d0 [ 686.909628] ____cache_alloc_node+0x1be/0x1e0 [ 686.914126] kmem_cache_alloc_node+0xe3/0x710 [ 686.918616] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 686.922850] __alloc_skb+0xd5/0x5f0 [ 686.926483] ? skb_trim+0x190/0x190 [ 686.930107] ? kasan_check_read+0x11/0x20 [ 686.934253] ndisc_alloc_skb+0x13c/0x340 [ 686.938307] ndisc_send_rs+0x35f/0x6e0 [ 686.942198] addrconf_rs_timer+0x30f/0x680 [ 686.946426] ? ipv6_get_lladdr+0x490/0x490 [ 686.950659] call_timer_fn+0x18d/0x720 [ 686.954535] ? ipv6_get_lladdr+0x490/0x490 [ 686.958759] ? process_timeout+0x40/0x40 [ 686.962809] ? run_timer_softirq+0x644/0x16a0 [ 686.967299] ? trace_hardirqs_on+0x67/0x220 [ 686.971635] ? ipv6_get_lladdr+0x490/0x490 [ 686.975858] run_timer_softirq+0x64f/0x16a0 [ 686.980176] ? add_timer+0xbe0/0xbe0 [ 686.983886] ? __lock_is_held+0xb6/0x140 [ 686.987951] __do_softirq+0x25c/0x921 [ 686.991741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.997266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.002802] irq_exit+0x180/0x1d0 [ 687.006251] smp_apic_timer_interrupt+0x13b/0x550 [ 687.011087] apic_timer_interrupt+0xf/0x20 [ 687.015305] [ 687.017532] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 687.022452] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 687.041358] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 687.049089] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 687.056353] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 687.063615] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 687.070879] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 687.078138] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 687.085435] skb_clone+0x156/0x3e0 [ 687.088975] bpf_clone_redirect+0xb2/0x480 [ 687.093208] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 687.098219] ? 0xffffffff81000000 [ 687.101671] ? mark_held_locks+0x100/0x100 [ 687.105896] ? trace_hardirqs_on_caller+0x6a/0x220 [ 687.110824] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 687.115573] ? bpf_test_run+0x146/0x430 [ 687.119541] ? find_held_lock+0x35/0x130 [ 687.123594] ? bpf_test_run+0x146/0x430 [ 687.127564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.133093] ? check_preemption_disabled+0x48/0x290 [ 687.138114] ? lock_acquire+0x16f/0x3f0 [ 687.142085] ? kasan_check_read+0x11/0x20 [ 687.146228] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 687.151409] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 687.156936] bpf_test_run+0x10d/0x430 [ 687.160756] bpf_prog_test_run_skb+0x64b/0xb20 [ 687.165338] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 687.170203] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 687.175742] ? fput+0x128/0x1a0 [ 687.179013] ? __bpf_prog_get+0x97/0x290 [ 687.183065] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 687.187899] bpf_prog_test_run+0x129/0x1a0 [ 687.192129] __x64_sys_bpf+0x397/0x4c0 [ 687.196011] ? bpf_prog_get+0x20/0x20 [ 687.199810] ? do_syscall_64+0x26/0x620 [ 687.203777] ? lockdep_hardirqs_on+0x415/0x5d0 [ 687.208353] ? trace_hardirqs_on+0x67/0x220 [ 687.212672] do_syscall_64+0xfd/0x620 [ 687.216510] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 687.221711] RIP: 0033:0x45af49 [ 687.224919] Code: Bad RIP value. [ 687.228277] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 687.235992] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 687.243357] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 687.250618] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 687.257885] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 687.265148] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 687.272434] warn_alloc_show_mem: 1 callbacks suppressed [ 687.272444] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 687.272445] Mem-Info: [ 687.272475] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 687.272475] active_file:13 inactive_file:11 isolated_file:0 [ 687.272475] unevictable:0 dirty:0 writeback:0 unstable:0 [ 687.272475] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 687.272475] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 687.272475] free:10923 free_pcp:135 free_cma:0 [ 687.277822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 687.285181] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 687.287570] Call Trace: [ 687.320623] Node 1 active_anon:1432kB 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 [ 687.329944] [ 687.357360] Node 0 DMA free:10256kB 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 [ 687.359951] dump_stack+0x197/0x210 [ 687.385848] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 687.388003] warn_alloc.cold+0x7b/0x173 [ 687.414084] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 687.417707] ? zone_watermark_ok_safe+0x260/0x260 [ 687.422695] lowmem_reserve[]: 0 0 1 1 1 [ 687.426670] ? __cpuset_node_allowed+0x136/0x540 [ 687.455270] 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 [ 687.460121] ? __isolate_free_page+0x4c0/0x4c0 [ 687.464056] lowmem_reserve[]: 0 0 0 0 0 [ 687.468813] ? wake_all_kswapds+0x14d/0x300 [ 687.494578] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 687.499175] __alloc_pages_slowpath+0x2214/0x2870 [ 687.503121] lowmem_reserve[]: 0 0 0 0 0 [ 687.507480] ? warn_alloc+0x110/0x110 [ 687.535407] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 687.540259] ? __lock_acquire+0x6ee/0x49c0 [ 687.544200] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 687.547995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 687.561064] 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 [ 687.565317] ? should_fail+0x14d/0x85c [ 687.580057] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 687.585618] ? __isolate_free_page+0x4c0/0x4c0 [ 687.596350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 687.600253] __alloc_pages_nodemask+0x617/0x750 [ 687.615305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 687.615318] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 687.619891] ? __alloc_pages_slowpath+0x2870/0x2870 [ 687.628703] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 687.628712] 269 total pagecache pages [ 687.633376] ? find_held_lock+0x35/0x130 [ 687.641929] 0 pages in swap cache [ 687.650754] cache_grow_begin+0x91/0x8c0 [ 687.655752] Swap cache stats: add 0, delete 0, find 0/0 [ 687.655760] Free swap = 0kB [ 687.664330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.668101] Total swap = 0kB [ 687.668110] 1965979 pages RAM [ 687.672157] ? __cpuset_node_allowed+0x136/0x540 [ 687.675579] 0 pages HighMem/MovableOnly [ 687.675587] 341723 pages reserved [ 687.679638] fallback_alloc+0x1fd/0x2d0 [ 687.684977] 0 pages cma reserved [ 687.688000] ____cache_alloc_node+0x1be/0x1e0 [ 687.693575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 687.696527] kmem_cache_alloc_node+0xe3/0x710 [ 687.699815] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 687.704355] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 687.708303] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 687.711755] __alloc_skb+0xd5/0x5f0 [ 687.758275] ? skb_trim+0x190/0x190 [ 687.761900] ? kasan_check_read+0x11/0x20 [ 687.766055] ndisc_alloc_skb+0x13c/0x340 [ 687.770112] ndisc_send_rs+0x35f/0x6e0 [ 687.774033] addrconf_rs_timer+0x30f/0x680 [ 687.778273] ? ipv6_get_lladdr+0x490/0x490 [ 687.782542] call_timer_fn+0x18d/0x720 [ 687.786430] ? ipv6_get_lladdr+0x490/0x490 [ 687.791215] ? process_timeout+0x40/0x40 [ 687.795275] ? run_timer_softirq+0x644/0x16a0 [ 687.799787] ? trace_hardirqs_on+0x67/0x220 [ 687.804115] ? ipv6_get_lladdr+0x490/0x490 [ 687.808347] run_timer_softirq+0x64f/0x16a0 [ 687.812690] ? add_timer+0xbe0/0xbe0 [ 687.816396] ? __lock_is_held+0xb6/0x140 [ 687.820464] __do_softirq+0x25c/0x921 [ 687.824255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.829782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 687.835319] irq_exit+0x180/0x1d0 [ 687.838769] smp_apic_timer_interrupt+0x13b/0x550 [ 687.843608] apic_timer_interrupt+0xf/0x20 [ 687.847826] [ 687.850061] RIP: 0010:smp_call_function_single+0x139/0x420 [ 687.855678] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 687.874655] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 687.882356] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 687.889631] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 687.896897] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 687.904167] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 687.911428] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 687.918709] ? smp_call_function_single+0x14c/0x420 [ 687.923718] ? smp_call_function_single+0x137/0x420 [ 687.928754] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 687.934544] ? generic_exec_single+0x490/0x490 [ 687.939120] ? __lock_acquire+0x6ee/0x49c0 [ 687.943347] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 687.949139] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 687.954159] ? find_next_and_bit+0x19a/0x200 [ 687.958569] smp_call_function_many+0x75f/0x8e0 [ 687.963242] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 687.969038] native_flush_tlb_others+0x81/0x420 [ 687.973699] flush_tlb_mm_range+0x21c/0x350 [ 687.978014] ? native_flush_tlb_others+0x420/0x420 [ 687.982939] ? lock_acquire+0x16f/0x3f0 [ 687.986909] ? kasan_check_write+0x14/0x20 [ 687.991139] flush_tlb_batched_pending+0x6e/0xb0 [ 687.995886] unmap_page_range+0x8b5/0x1fb0 [ 688.000132] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 688.004619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.010153] ? kasan_check_write+0x14/0x20 [ 688.014383] __oom_reap_task_mm+0x1fb/0x3a0 [ 688.018701] ? process_shares_mm+0x130/0x130 [ 688.023103] ? oom_reaper+0x12c/0x1160 [ 688.026987] ? __lock_is_held+0xb6/0x140 [ 688.031048] oom_reaper+0x246/0x1160 [ 688.034760] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 688.039249] ? trace_hardirqs_on+0x67/0x220 [ 688.043576] ? finish_wait+0x260/0x260 [ 688.047456] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 688.052564] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.058091] ? __kthread_parkme+0xfb/0x1b0 [ 688.062319] kthread+0x354/0x420 [ 688.065680] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 688.070167] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 688.075698] ret_from_fork+0x24/0x30 [ 688.079420] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 688.079538] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 688.087306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.094654] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 688.103918] Call Trace: [ 688.114145] oom_reaper cpuset=/ mems_allowed=0-1 [ 688.116720] [ 688.123602] dump_stack+0x197/0x210 [ 688.127233] warn_alloc.cold+0x7b/0x173 [ 688.131387] ? zone_watermark_ok_safe+0x260/0x260 [ 688.136224] ? __cpuset_node_allowed+0x136/0x540 [ 688.140987] ? __isolate_free_page+0x4c0/0x4c0 [ 688.145561] ? wake_all_kswapds+0x14d/0x300 [ 688.149881] __alloc_pages_slowpath+0x2214/0x2870 [ 688.154736] ? warn_alloc+0x110/0x110 [ 688.158529] ? __lock_acquire+0x6ee/0x49c0 [ 688.162756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.168288] ? should_fail+0x14d/0x85c [ 688.172306] ? __isolate_free_page+0x4c0/0x4c0 [ 688.176897] __alloc_pages_nodemask+0x617/0x750 [ 688.181570] ? __alloc_pages_slowpath+0x2870/0x2870 [ 688.186590] ? find_held_lock+0x35/0x130 [ 688.190647] cache_grow_begin+0x91/0x8c0 [ 688.194703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.200233] ? __cpuset_node_allowed+0x136/0x540 [ 688.204984] fallback_alloc+0x1fd/0x2d0 [ 688.209049] ____cache_alloc_node+0x1be/0x1e0 [ 688.213539] kmem_cache_alloc+0x1f3/0x700 [ 688.217680] ? mark_held_locks+0xb1/0x100 [ 688.221819] ? __netdev_alloc_skb+0x370/0x470 [ 688.226307] __build_skb+0x3e/0x310 [ 688.230215] __netdev_alloc_skb+0x2ba/0x470 [ 688.234550] send_hsr_supervision_frame+0x110/0xf30 [ 688.239568] ? lock_acquire+0x16f/0x3f0 [ 688.243544] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 688.248558] hsr_announce+0x12f/0x3b0 [ 688.252353] call_timer_fn+0x18d/0x720 [ 688.256236] ? send_hsr_supervision_frame+0xf30/0xf30 [ 688.261417] ? process_timeout+0x40/0x40 [ 688.265485] ? run_timer_softirq+0x644/0x16a0 [ 688.269978] ? trace_hardirqs_on+0x67/0x220 [ 688.274297] ? send_hsr_supervision_frame+0xf30/0xf30 [ 688.279478] run_timer_softirq+0x64f/0x16a0 [ 688.283891] ? add_timer+0xbe0/0xbe0 [ 688.287633] ? __lock_is_held+0xb6/0x140 [ 688.291706] __do_softirq+0x25c/0x921 [ 688.295524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.301066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.306610] irq_exit+0x180/0x1d0 [ 688.310062] smp_apic_timer_interrupt+0x13b/0x550 [ 688.314900] apic_timer_interrupt+0xf/0x20 [ 688.319122] [ 688.321351] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 688.326281] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 688.345183] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 688.352895] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 688.360161] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 688.367771] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 688.375031] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 688.382290] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 688.389588] skb_clone+0x156/0x3e0 [ 688.393126] bpf_clone_redirect+0xb2/0x480 [ 688.397362] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 688.402368] ? 0xffffffff81000000 [ 688.405821] ? mark_held_locks+0x100/0x100 [ 688.410056] ? trace_hardirqs_on_caller+0x6a/0x220 [ 688.414991] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 688.419742] ? bpf_test_run+0x146/0x430 [ 688.423708] ? find_held_lock+0x35/0x130 [ 688.427765] ? bpf_test_run+0x146/0x430 [ 688.431734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.437261] ? check_preemption_disabled+0x48/0x290 [ 688.442270] ? lock_acquire+0x16f/0x3f0 [ 688.446239] ? kasan_check_read+0x11/0x20 [ 688.450389] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 688.455628] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.461173] bpf_test_run+0x10d/0x430 [ 688.464990] bpf_prog_test_run_skb+0x64b/0xb20 [ 688.469576] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 688.474411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 688.479949] ? fput+0x128/0x1a0 [ 688.483228] ? __bpf_prog_get+0x97/0x290 [ 688.487281] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 688.492124] bpf_prog_test_run+0x129/0x1a0 [ 688.496354] __x64_sys_bpf+0x397/0x4c0 [ 688.500246] ? bpf_prog_get+0x20/0x20 [ 688.504047] ? do_syscall_64+0x26/0x620 [ 688.508037] ? lockdep_hardirqs_on+0x415/0x5d0 [ 688.512616] ? trace_hardirqs_on+0x67/0x220 [ 688.516952] do_syscall_64+0xfd/0x620 [ 688.520753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 688.525934] RIP: 0033:0x45af49 [ 688.529134] Code: Bad RIP value. [ 688.532492] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 688.540209] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 688.547468] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 688.554725] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 688.561982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 688.569257] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 688.576530] warn_alloc_show_mem: 1 callbacks suppressed [ 688.576540] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 688.576542] Mem-Info: [ 688.576570] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 688.576570] active_file:13 inactive_file:11 isolated_file:0 [ 688.576570] unevictable:0 dirty:0 writeback:0 unstable:0 [ 688.576570] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 688.576570] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 688.576570] free:10923 free_pcp:135 free_cma:0 [ 688.581905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 688.581913] Call Trace: [ 688.589329] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 688.589357] Node 1 active_anon:1432kB 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 [ 688.591765] [ 688.624818] Node 0 DMA free:10256kB 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 [ 688.634182] dump_stack+0x197/0x210 [ 688.636745] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 688.667471] warn_alloc.cold+0x7b/0x173 [ 688.693735] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 688.695884] ? zone_watermark_ok_safe+0x260/0x260 [ 688.721958] lowmem_reserve[]: 0 0 1 1 1 [ 688.725588] ? __cpuset_node_allowed+0x136/0x540 [ 688.730605] 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 [ 688.734596] ? __isolate_free_page+0x4c0/0x4c0 [ 688.763182] lowmem_reserve[]: 0 0 0 0 0 [ 688.768028] ? wake_all_kswapds+0x14d/0x300 [ 688.771983] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 688.776740] __alloc_pages_slowpath+0x2214/0x2870 [ 688.802469] lowmem_reserve[]: 0 0 0 0 0 [ 688.807078] ? warn_alloc+0x110/0x110 [ 688.811030] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 688.815342] ? __lock_acquire+0x6ee/0x49c0 [ 688.815360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 688.847099] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 688.851987] ? should_fail+0x14d/0x85c [ 688.855937] 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 [ 688.859828] ? __isolate_free_page+0x4c0/0x4c0 [ 688.871590] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 688.875828] __alloc_pages_nodemask+0x617/0x750 [ 688.881338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 688.896066] ? __alloc_pages_slowpath+0x2870/0x2870 [ 688.899949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 688.913726] ? find_held_lock+0x35/0x130 [ 688.918284] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 688.933359] cache_grow_begin+0x91/0x8c0 [ 688.937998] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 688.938006] 269 total pagecache pages [ 688.946921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 688.951913] 0 pages in swap cache [ 688.960472] ? __cpuset_node_allowed+0x136/0x540 [ 688.964508] Swap cache stats: add 0, delete 0, find 0/0 [ 688.964516] Free swap = 0kB [ 688.973345] fallback_alloc+0x1fd/0x2d0 [ 688.977376] Total swap = 0kB [ 688.977385] 1965979 pages RAM [ 688.985956] ____cache_alloc_node+0x1be/0x1e0 [ 688.989826] 0 pages HighMem/MovableOnly [ 688.989833] 341723 pages reserved [ 688.996505] kmem_cache_alloc_node+0xe3/0x710 [ 688.999931] 0 pages cma reserved [ 689.004678] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 689.010135] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 689.013047] __alloc_skb+0xd5/0x5f0 [ 689.016999] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 689.020019] ? skb_trim+0x190/0x190 [ 689.070107] ? kasan_check_read+0x11/0x20 [ 689.074256] ndisc_alloc_skb+0x13c/0x340 [ 689.078313] ndisc_send_rs+0x35f/0x6e0 [ 689.082290] addrconf_rs_timer+0x30f/0x680 [ 689.086537] ? ipv6_get_lladdr+0x490/0x490 [ 689.091815] call_timer_fn+0x18d/0x720 [ 689.095699] ? ipv6_get_lladdr+0x490/0x490 [ 689.100224] ? process_timeout+0x40/0x40 [ 689.104280] ? run_timer_softirq+0x644/0x16a0 [ 689.108785] ? trace_hardirqs_on+0x67/0x220 [ 689.113108] ? ipv6_get_lladdr+0x490/0x490 [ 689.117343] run_timer_softirq+0x64f/0x16a0 [ 689.121663] ? add_timer+0xbe0/0xbe0 [ 689.125375] ? __lock_is_held+0xb6/0x140 [ 689.129448] __do_softirq+0x25c/0x921 [ 689.133242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.138772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.144316] irq_exit+0x180/0x1d0 [ 689.147768] smp_apic_timer_interrupt+0x13b/0x550 [ 689.152611] apic_timer_interrupt+0xf/0x20 [ 689.156851] [ 689.159088] RIP: 0010:smp_call_function_single+0x139/0x420 [ 689.164715] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 689.183625] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 689.191376] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 689.198633] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 689.205902] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 689.213161] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 689.220421] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 689.227703] ? smp_call_function_single+0x14c/0x420 [ 689.232712] ? smp_call_function_single+0x137/0x420 [ 689.237748] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 689.243797] ? generic_exec_single+0x490/0x490 [ 689.248373] ? __lock_acquire+0x6ee/0x49c0 [ 689.252601] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 689.258393] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 689.263401] ? find_next_and_bit+0x19a/0x200 [ 689.267812] smp_call_function_many+0x75f/0x8e0 [ 689.272476] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 689.278277] native_flush_tlb_others+0x81/0x420 [ 689.283134] flush_tlb_mm_range+0x21c/0x350 [ 689.287453] ? native_flush_tlb_others+0x420/0x420 [ 689.292378] ? lock_acquire+0x16f/0x3f0 [ 689.296348] ? kasan_check_write+0x14/0x20 [ 689.300577] flush_tlb_batched_pending+0x6e/0xb0 [ 689.305324] unmap_page_range+0x8b5/0x1fb0 [ 689.309568] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 689.314054] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.319589] ? kasan_check_write+0x14/0x20 [ 689.323832] __oom_reap_task_mm+0x1fb/0x3a0 [ 689.328162] ? process_shares_mm+0x130/0x130 [ 689.332574] ? oom_reaper+0x12c/0x1160 [ 689.336482] ? __lock_is_held+0xb6/0x140 [ 689.340553] oom_reaper+0x246/0x1160 [ 689.344293] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 689.348792] ? trace_hardirqs_on+0x67/0x220 [ 689.353132] ? finish_wait+0x260/0x260 [ 689.357124] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 689.362334] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.367889] ? __kthread_parkme+0xfb/0x1b0 [ 689.372130] kthread+0x354/0x420 [ 689.375503] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 689.379995] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 689.385529] ret_from_fork+0x24/0x30 [ 689.389266] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 689.389328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 689.397063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.397070] Call Trace: [ 689.403694] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 689.412906] [ 689.415475] oom_reaper cpuset=/ mems_allowed=0-1 [ 689.425741] dump_stack+0x197/0x210 [ 689.436231] warn_alloc.cold+0x7b/0x173 [ 689.440201] ? zone_watermark_ok_safe+0x260/0x260 [ 689.445048] ? __cpuset_node_allowed+0x136/0x540 [ 689.449818] ? __isolate_free_page+0x4c0/0x4c0 [ 689.454395] ? wake_all_kswapds+0x14d/0x300 [ 689.458718] __alloc_pages_slowpath+0x2214/0x2870 [ 689.463569] ? warn_alloc+0x110/0x110 [ 689.467373] ? __lock_acquire+0x6ee/0x49c0 [ 689.471609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 689.477147] ? should_fail+0x14d/0x85c [ 689.481032] ? __isolate_free_page+0x4c0/0x4c0 [ 689.485633] __alloc_pages_nodemask+0x617/0x750 [ 689.490306] ? __alloc_pages_slowpath+0x2870/0x2870 [ 689.495323] ? find_held_lock+0x35/0x130 [ 689.499384] cache_grow_begin+0x91/0x8c0 [ 689.503559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.509140] ? __cpuset_node_allowed+0x136/0x540 [ 689.513924] fallback_alloc+0x1fd/0x2d0 [ 689.517913] ____cache_alloc_node+0x1be/0x1e0 [ 689.522407] kmem_cache_alloc+0x1f3/0x700 [ 689.526652] ? mark_held_locks+0xb1/0x100 [ 689.530798] ? __netdev_alloc_skb+0x370/0x470 [ 689.535388] __build_skb+0x3e/0x310 [ 689.539023] __netdev_alloc_skb+0x2ba/0x470 [ 689.543346] send_hsr_supervision_frame+0x110/0xf30 [ 689.548355] ? lock_acquire+0x16f/0x3f0 [ 689.552338] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 689.557366] hsr_announce+0x12f/0x3b0 [ 689.561250] call_timer_fn+0x18d/0x720 [ 689.565135] ? send_hsr_supervision_frame+0xf30/0xf30 [ 689.570329] ? process_timeout+0x40/0x40 [ 689.574381] ? run_timer_softirq+0x644/0x16a0 [ 689.578872] ? trace_hardirqs_on+0x67/0x220 [ 689.583191] ? send_hsr_supervision_frame+0xf30/0xf30 [ 689.588412] run_timer_softirq+0x64f/0x16a0 [ 689.592754] ? add_timer+0xbe0/0xbe0 [ 689.596478] ? __lock_is_held+0xb6/0x140 [ 689.600558] __do_softirq+0x25c/0x921 [ 689.604358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.609904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.615461] irq_exit+0x180/0x1d0 [ 689.618918] smp_apic_timer_interrupt+0x13b/0x550 [ 689.623766] apic_timer_interrupt+0xf/0x20 [ 689.628014] [ 689.630261] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 689.635189] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 689.654084] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 689.661799] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 689.669083] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 689.676364] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 689.683647] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 689.690916] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 689.698216] skb_clone+0x156/0x3e0 [ 689.701758] bpf_clone_redirect+0xb2/0x480 [ 689.705990] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 689.710998] ? 0xffffffff81000000 [ 689.714450] ? mark_held_locks+0x100/0x100 [ 689.718694] ? trace_hardirqs_on_caller+0x6a/0x220 [ 689.723650] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 689.728408] ? bpf_test_run+0x146/0x430 [ 689.732400] ? find_held_lock+0x35/0x130 [ 689.736500] ? bpf_test_run+0x146/0x430 [ 689.740482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 689.746018] ? check_preemption_disabled+0x48/0x290 [ 689.751034] ? lock_acquire+0x16f/0x3f0 [ 689.755021] ? kasan_check_read+0x11/0x20 [ 689.759173] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 689.764377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.769929] bpf_test_run+0x10d/0x430 [ 689.773736] bpf_prog_test_run_skb+0x64b/0xb20 [ 689.778319] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 689.783159] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 689.788689] ? fput+0x128/0x1a0 [ 689.791963] ? __bpf_prog_get+0x97/0x290 [ 689.796018] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 689.800877] bpf_prog_test_run+0x129/0x1a0 [ 689.805160] __x64_sys_bpf+0x397/0x4c0 [ 689.809051] ? bpf_prog_get+0x20/0x20 [ 689.812881] ? do_syscall_64+0x26/0x620 [ 689.816871] ? lockdep_hardirqs_on+0x415/0x5d0 [ 689.821450] ? trace_hardirqs_on+0x67/0x220 [ 689.825772] do_syscall_64+0xfd/0x620 [ 689.829588] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 689.834771] RIP: 0033:0x45af49 [ 689.837974] Code: Bad RIP value. [ 689.841329] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 689.849029] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 689.856290] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 689.863550] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 689.870827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 689.878089] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 689.885366] warn_alloc_show_mem: 1 callbacks suppressed [ 689.885376] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 689.885378] Mem-Info: [ 689.885407] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 689.885407] active_file:13 inactive_file:11 isolated_file:0 [ 689.885407] unevictable:0 dirty:0 writeback:0 unstable:0 [ 689.885407] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 689.885407] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 689.885407] free:10923 free_pcp:135 free_cma:0 [ 689.890764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 689.898147] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 689.900544] Call Trace: [ 689.933619] Node 1 active_anon:1432kB 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 [ 689.942963] [ 689.970458] Node 0 DMA free:10256kB 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 [ 689.973059] dump_stack+0x197/0x210 [ 689.998973] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 690.001147] warn_alloc.cold+0x7b/0x173 [ 690.028287] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 690.031932] ? zone_watermark_ok_safe+0x260/0x260 [ 690.036914] lowmem_reserve[]: 0 0 1 1 1 [ 690.040889] ? __cpuset_node_allowed+0x136/0x540 [ 690.069581] 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 [ 690.074461] ? __isolate_free_page+0x4c0/0x4c0 [ 690.078397] lowmem_reserve[]: 0 0 0 0 0 [ 690.083154] ? wake_all_kswapds+0x14d/0x300 [ 690.109689] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 690.114290] __alloc_pages_slowpath+0x2214/0x2870 [ 690.118320] lowmem_reserve[]: 0 0 0 0 0 [ 690.122845] ? warn_alloc+0x110/0x110 [ 690.151127] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 690.156001] ? __lock_acquire+0x6ee/0x49c0 [ 690.159968] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 690.163792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.175579] 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 [ 690.179814] ? should_fail+0x14d/0x85c [ 690.194700] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 690.200243] ? __isolate_free_page+0x4c0/0x4c0 [ 690.210896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 690.214780] __alloc_pages_nodemask+0x617/0x750 [ 690.229837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 690.229850] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 690.234439] ? __alloc_pages_slowpath+0x2870/0x2870 [ 690.243266] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 690.243276] 269 total pagecache pages [ 690.247961] ? find_held_lock+0x35/0x130 [ 690.256533] 0 pages in swap cache [ 690.265496] cache_grow_begin+0x91/0x8c0 [ 690.270499] Swap cache stats: add 0, delete 0, find 0/0 [ 690.279175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.282950] Free swap = 0kB [ 690.287000] ? __cpuset_node_allowed+0x136/0x540 [ 690.290423] Total swap = 0kB [ 690.290433] 1965979 pages RAM [ 690.294484] fallback_alloc+0x1fd/0x2d0 [ 690.299906] 0 pages HighMem/MovableOnly [ 690.299914] 341723 pages reserved [ 690.306059] ____cache_alloc_node+0x1be/0x1e0 [ 690.309061] 0 pages cma reserved [ 690.309295] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 690.313824] kmem_cache_alloc_node+0xe3/0x710 [ 690.316823] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 690.319935] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 690.365027] __alloc_skb+0xd5/0x5f0 [ 690.368661] ? skb_trim+0x190/0x190 [ 690.372296] ? kasan_check_read+0x11/0x20 [ 690.376445] ndisc_alloc_skb+0x13c/0x340 [ 690.380503] ndisc_send_rs+0x35f/0x6e0 [ 690.384389] addrconf_rs_timer+0x30f/0x680 [ 690.388620] ? ipv6_get_lladdr+0x490/0x490 [ 690.392859] call_timer_fn+0x18d/0x720 [ 690.396740] ? ipv6_get_lladdr+0x490/0x490 [ 690.400967] ? process_timeout+0x40/0x40 [ 690.405033] ? run_timer_softirq+0x644/0x16a0 [ 690.409528] ? trace_hardirqs_on+0x67/0x220 [ 690.413845] ? ipv6_get_lladdr+0x490/0x490 [ 690.418074] run_timer_softirq+0x64f/0x16a0 [ 690.422507] ? add_timer+0xbe0/0xbe0 [ 690.426349] ? __lock_is_held+0xb6/0x140 [ 690.430431] __do_softirq+0x25c/0x921 [ 690.434246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.439796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.445354] irq_exit+0x180/0x1d0 [ 690.448812] smp_apic_timer_interrupt+0x13b/0x550 [ 690.453679] apic_timer_interrupt+0xf/0x20 [ 690.457905] [ 690.460140] RIP: 0010:smp_call_function_single+0x139/0x420 [ 690.465772] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 690.484668] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 690.492394] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 690.499668] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 690.506947] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 690.514227] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 690.521493] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 690.528784] ? smp_call_function_single+0x14c/0x420 [ 690.533802] ? smp_call_function_single+0x137/0x420 [ 690.538835] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 690.544650] ? generic_exec_single+0x490/0x490 [ 690.549405] ? __lock_acquire+0x6ee/0x49c0 [ 690.553639] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 690.559434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 690.564445] ? find_next_and_bit+0x19a/0x200 [ 690.568853] smp_call_function_many+0x75f/0x8e0 [ 690.573605] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 690.579408] native_flush_tlb_others+0x81/0x420 [ 690.584071] flush_tlb_mm_range+0x21c/0x350 [ 690.588389] ? native_flush_tlb_others+0x420/0x420 [ 690.593317] ? lock_acquire+0x16f/0x3f0 [ 690.597291] ? kasan_check_write+0x14/0x20 [ 690.601525] flush_tlb_batched_pending+0x6e/0xb0 [ 690.606275] unmap_page_range+0x8b5/0x1fb0 [ 690.610518] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 690.615022] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 690.620559] ? kasan_check_write+0x14/0x20 [ 690.624789] __oom_reap_task_mm+0x1fb/0x3a0 [ 690.629133] ? process_shares_mm+0x130/0x130 [ 690.633540] ? oom_reaper+0x12c/0x1160 [ 690.637442] ? __lock_is_held+0xb6/0x140 [ 690.641691] oom_reaper+0x246/0x1160 [ 690.645407] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 690.649896] ? trace_hardirqs_on+0x67/0x220 [ 690.654214] ? finish_wait+0x260/0x260 [ 690.658103] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 690.663221] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 690.668765] ? __kthread_parkme+0xfb/0x1b0 [ 690.672994] kthread+0x354/0x420 [ 690.676352] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 690.681386] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 690.686918] ret_from_fork+0x24/0x30 [ 690.690647] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 690.690707] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 690.699585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 690.699590] Call Trace: [ 690.699596] [ 690.699613] dump_stack+0x197/0x210 [ 690.699634] warn_alloc.cold+0x7b/0x173 [ 690.706153] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 690.715473] ? zone_watermark_ok_safe+0x260/0x260 [ 690.718029] oom_reaper cpuset=/ mems_allowed=0-1 [ 690.720173] ? __cpuset_node_allowed+0x136/0x540 [ 690.752291] ? __isolate_free_page+0x4c0/0x4c0 [ 690.756871] ? wake_all_kswapds+0x14d/0x300 [ 690.761215] __alloc_pages_slowpath+0x2214/0x2870 [ 690.766182] ? warn_alloc+0x110/0x110 [ 690.769989] ? __lock_acquire+0x6ee/0x49c0 [ 690.774227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 690.779767] ? should_fail+0x14d/0x85c [ 690.783664] ? __isolate_free_page+0x4c0/0x4c0 [ 690.788246] __alloc_pages_nodemask+0x617/0x750 [ 690.792915] ? __alloc_pages_slowpath+0x2870/0x2870 [ 690.797968] ? find_held_lock+0x35/0x130 [ 690.802031] cache_grow_begin+0x91/0x8c0 [ 690.806144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.811690] ? __cpuset_node_allowed+0x136/0x540 [ 690.818972] fallback_alloc+0x1fd/0x2d0 [ 690.822949] ____cache_alloc_node+0x1be/0x1e0 [ 690.827549] kmem_cache_alloc_node+0xe3/0x710 [ 690.832061] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 690.836300] __alloc_skb+0xd5/0x5f0 [ 690.839920] ? skb_trim+0x190/0x190 [ 690.843538] ? kasan_check_read+0x11/0x20 [ 690.847683] ndisc_alloc_skb+0x13c/0x340 [ 690.851777] ndisc_send_rs+0x35f/0x6e0 [ 690.855661] addrconf_rs_timer+0x30f/0x680 [ 690.859893] ? ipv6_get_lladdr+0x490/0x490 [ 690.864133] call_timer_fn+0x18d/0x720 [ 690.868026] ? ipv6_get_lladdr+0x490/0x490 [ 690.872266] ? process_timeout+0x40/0x40 [ 690.876327] ? run_timer_softirq+0x644/0x16a0 [ 690.880822] ? trace_hardirqs_on+0x67/0x220 [ 690.885140] ? ipv6_get_lladdr+0x490/0x490 [ 690.889378] run_timer_softirq+0x64f/0x16a0 [ 690.893700] ? add_timer+0xbe0/0xbe0 [ 690.897409] ? __lock_is_held+0xb6/0x140 [ 690.901488] __do_softirq+0x25c/0x921 [ 690.905282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.910810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 690.916366] irq_exit+0x180/0x1d0 [ 690.920186] smp_apic_timer_interrupt+0x13b/0x550 [ 690.925025] apic_timer_interrupt+0xf/0x20 [ 690.929247] [ 690.931490] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 690.936412] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 690.955392] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 690.963091] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 690.970355] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 690.977672] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 690.984950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 690.992348] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 690.999666] skb_clone+0x156/0x3e0 [ 691.003234] bpf_clone_redirect+0xb2/0x480 [ 691.007499] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 691.012519] ? 0xffffffff81000000 [ 691.015978] ? mark_held_locks+0x100/0x100 [ 691.020205] ? trace_hardirqs_on_caller+0x6a/0x220 [ 691.025146] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 691.029911] ? bpf_test_run+0x146/0x430 [ 691.033881] ? find_held_lock+0x35/0x130 [ 691.037932] ? bpf_test_run+0x146/0x430 [ 691.041905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.047437] ? check_preemption_disabled+0x48/0x290 [ 691.052446] ? lock_acquire+0x16f/0x3f0 [ 691.056416] ? kasan_check_read+0x11/0x20 [ 691.060558] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 691.065745] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.071272] bpf_test_run+0x10d/0x430 [ 691.075165] bpf_prog_test_run_skb+0x64b/0xb20 [ 691.079745] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 691.084576] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.090111] ? fput+0x128/0x1a0 [ 691.093396] ? __bpf_prog_get+0x97/0x290 [ 691.097448] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 691.102281] bpf_prog_test_run+0x129/0x1a0 [ 691.106511] __x64_sys_bpf+0x397/0x4c0 [ 691.110390] ? bpf_prog_get+0x20/0x20 [ 691.114197] ? do_syscall_64+0x26/0x620 [ 691.118177] ? lockdep_hardirqs_on+0x415/0x5d0 [ 691.122753] ? trace_hardirqs_on+0x67/0x220 [ 691.127070] do_syscall_64+0xfd/0x620 [ 691.130876] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 691.136057] RIP: 0033:0x45af49 [ 691.139343] Code: Bad RIP value. [ 691.142695] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 691.150407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 691.157671] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 691.164946] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 691.172211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 691.179472] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 691.186762] warn_alloc_show_mem: 1 callbacks suppressed [ 691.186772] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 691.186775] Mem-Info: [ 691.186803] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 691.186803] active_file:13 inactive_file:11 isolated_file:0 [ 691.186803] unevictable:0 dirty:0 writeback:0 unstable:0 [ 691.186803] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 691.186803] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 691.186803] free:10923 free_pcp:135 free_cma:0 [ 691.192140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 691.192147] Call Trace: [ 691.199522] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 691.201917] [ 691.234985] Node 1 active_anon:1432kB 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 [ 691.244354] dump_stack+0x197/0x210 [ 691.246910] Node 0 DMA free:10256kB 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 [ 691.274317] warn_alloc.cold+0x7b/0x173 [ 691.276450] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 691.302490] ? zone_watermark_ok_safe+0x260/0x260 [ 691.306105] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 691.332233] ? __cpuset_node_allowed+0x136/0x540 [ 691.336186] lowmem_reserve[]: 0 0 1 1 1 [ 691.341367] ? __isolate_free_page+0x4c0/0x4c0 [ 691.346203] 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 [ 691.375902] ? wake_all_kswapds+0x14d/0x300 [ 691.380633] lowmem_reserve[]: 0 0 0 0 0 [ 691.384623] __alloc_pages_slowpath+0x2214/0x2870 [ 691.389260] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 691.415152] ? warn_alloc+0x110/0x110 [ 691.419456] lowmem_reserve[]: 0 0 0 0 0 [ 691.423446] ? __lock_acquire+0x6ee/0x49c0 [ 691.428282] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 691.456420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.460195] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 691.464168] ? should_fail+0x14d/0x85c [ 691.469761] 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 [ 691.481642] ? __isolate_free_page+0x4c0/0x4c0 [ 691.487153] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 691.501938] __alloc_pages_nodemask+0x617/0x750 [ 691.505812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 691.516495] ? __alloc_pages_slowpath+0x2870/0x2870 [ 691.521056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 691.536150] ? find_held_lock+0x35/0x130 [ 691.540806] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 691.549643] cache_grow_begin+0x91/0x8c0 [ 691.554630] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 691.554638] 269 total pagecache pages [ 691.563307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.567359] 0 pages in swap cache [ 691.576183] ? __cpuset_node_allowed+0x136/0x540 [ 691.580228] Swap cache stats: add 0, delete 0, find 0/0 [ 691.580236] Free swap = 0kB [ 691.588803] fallback_alloc+0x1fd/0x2d0 [ 691.592664] Total swap = 0kB [ 691.598197] ____cache_alloc_node+0x1be/0x1e0 [ 691.601708] 1965979 pages RAM [ 691.606453] kmem_cache_alloc_node+0xe3/0x710 [ 691.611821] 0 pages HighMem/MovableOnly [ 691.611829] 341723 pages reserved [ 691.614839] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 691.618796] 0 pages cma reserved [ 691.618864] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 691.621821] __alloc_skb+0xd5/0x5f0 [ 691.626343] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 691.629398] ? skb_trim+0x190/0x190 [ 691.633877] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 691.637847] ? kasan_check_read+0x11/0x20 [ 691.682592] ndisc_alloc_skb+0x13c/0x340 [ 691.686653] ndisc_send_rs+0x35f/0x6e0 [ 691.690540] addrconf_rs_timer+0x30f/0x680 [ 691.694782] ? ipv6_get_lladdr+0x490/0x490 [ 691.699042] call_timer_fn+0x18d/0x720 [ 691.702934] ? ipv6_get_lladdr+0x490/0x490 [ 691.707266] ? process_timeout+0x40/0x40 [ 691.711321] ? run_timer_softirq+0x644/0x16a0 [ 691.715816] ? trace_hardirqs_on+0x67/0x220 [ 691.720135] ? ipv6_get_lladdr+0x490/0x490 [ 691.724366] run_timer_softirq+0x64f/0x16a0 [ 691.728702] ? add_timer+0xbe0/0xbe0 [ 691.732416] ? __lock_is_held+0xb6/0x140 [ 691.736486] __do_softirq+0x25c/0x921 [ 691.740302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.745833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.751377] irq_exit+0x180/0x1d0 [ 691.754826] smp_apic_timer_interrupt+0x13b/0x550 [ 691.759665] apic_timer_interrupt+0xf/0x20 [ 691.763888] [ 691.766119] RIP: 0010:smp_call_function_single+0x139/0x420 [ 691.771737] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 691.790716] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 691.798430] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 691.805706] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 691.812967] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 691.820347] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 691.827634] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 691.834938] ? smp_call_function_single+0x14c/0x420 [ 691.839965] ? smp_call_function_single+0x137/0x420 [ 691.845002] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 691.850799] ? generic_exec_single+0x490/0x490 [ 691.855378] ? __lock_acquire+0x6ee/0x49c0 [ 691.859604] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 691.865487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 691.870497] ? find_next_and_bit+0x19a/0x200 [ 691.874928] smp_call_function_many+0x75f/0x8e0 [ 691.879713] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 691.885625] native_flush_tlb_others+0x81/0x420 [ 691.890298] flush_tlb_mm_range+0x21c/0x350 [ 691.894624] ? native_flush_tlb_others+0x420/0x420 [ 691.899563] ? lock_acquire+0x16f/0x3f0 [ 691.903564] ? kasan_check_write+0x14/0x20 [ 691.907795] flush_tlb_batched_pending+0x6e/0xb0 [ 691.912544] unmap_page_range+0x8b5/0x1fb0 [ 691.916795] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 691.921309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.926840] ? kasan_check_write+0x14/0x20 [ 691.932036] __oom_reap_task_mm+0x1fb/0x3a0 [ 691.936352] ? process_shares_mm+0x130/0x130 [ 691.940754] ? oom_reaper+0x12c/0x1160 [ 691.944644] ? __lock_is_held+0xb6/0x140 [ 691.948716] oom_reaper+0x246/0x1160 [ 691.952430] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 691.956920] ? trace_hardirqs_on+0x67/0x220 [ 691.961239] ? finish_wait+0x260/0x260 [ 691.965124] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 691.970233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 691.977426] ? __kthread_parkme+0xfb/0x1b0 [ 691.981915] kthread+0x354/0x420 [ 691.985296] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 691.989817] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 691.995358] ret_from_fork+0x24/0x30 [ 691.999094] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 691.999163] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 692.006893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.006901] Call Trace: [ 692.013549] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 692.023242] [ 692.025812] oom_reaper cpuset=/ mems_allowed=0-1 [ 692.036051] dump_stack+0x197/0x210 [ 692.046570] warn_alloc.cold+0x7b/0x173 [ 692.050560] ? zone_watermark_ok_safe+0x260/0x260 [ 692.055406] ? __cpuset_node_allowed+0x136/0x540 [ 692.060167] ? __isolate_free_page+0x4c0/0x4c0 [ 692.064787] ? wake_all_kswapds+0x14d/0x300 [ 692.069138] __alloc_pages_slowpath+0x2214/0x2870 [ 692.074028] ? warn_alloc+0x110/0x110 [ 692.077843] ? __lock_acquire+0x6ee/0x49c0 [ 692.082077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.087607] ? should_fail+0x14d/0x85c [ 692.091505] ? __isolate_free_page+0x4c0/0x4c0 [ 692.096087] __alloc_pages_nodemask+0x617/0x750 [ 692.100755] ? __alloc_pages_slowpath+0x2870/0x2870 [ 692.105771] ? find_held_lock+0x35/0x130 [ 692.109833] cache_grow_begin+0x91/0x8c0 [ 692.113905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.119434] ? __cpuset_node_allowed+0x136/0x540 [ 692.124183] fallback_alloc+0x1fd/0x2d0 [ 692.128156] ____cache_alloc_node+0x1be/0x1e0 [ 692.132646] kmem_cache_alloc_node+0xe3/0x710 [ 692.137135] ? mark_held_locks+0x100/0x100 [ 692.145109] __alloc_skb+0xd5/0x5f0 [ 692.148747] ? skb_trim+0x190/0x190 [ 692.152366] ? __local_bh_enable_ip+0x15a/0x270 [ 692.157034] ? lock_downgrade+0x880/0x880 [ 692.161182] ndisc_alloc_skb+0x13c/0x340 [ 692.165239] ndisc_send_rs+0x7c/0x6e0 [ 692.169039] addrconf_rs_timer+0x30f/0x680 [ 692.173271] ? ipv6_get_lladdr+0x490/0x490 [ 692.177507] call_timer_fn+0x18d/0x720 [ 692.181390] ? ipv6_get_lladdr+0x490/0x490 [ 692.185616] ? process_timeout+0x40/0x40 [ 692.189756] ? run_timer_softirq+0x644/0x16a0 [ 692.194246] ? trace_hardirqs_on+0x67/0x220 [ 692.198561] ? ipv6_get_lladdr+0x490/0x490 [ 692.202810] run_timer_softirq+0x64f/0x16a0 [ 692.207152] ? add_timer+0xbe0/0xbe0 [ 692.210873] ? __lock_is_held+0xb6/0x140 [ 692.214941] __do_softirq+0x25c/0x921 [ 692.218732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.224279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.229837] irq_exit+0x180/0x1d0 [ 692.233285] smp_apic_timer_interrupt+0x13b/0x550 [ 692.238127] apic_timer_interrupt+0xf/0x20 [ 692.242348] [ 692.244580] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 692.249521] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 692.268427] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 692.276131] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 692.283393] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 692.290653] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 692.297914] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 692.305186] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 692.312484] skb_clone+0x156/0x3e0 [ 692.316029] bpf_clone_redirect+0xb2/0x480 [ 692.320297] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 692.325339] ? 0xffffffff81000000 [ 692.328796] ? mark_held_locks+0x100/0x100 [ 692.333034] ? trace_hardirqs_on_caller+0x6a/0x220 [ 692.338046] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 692.342823] ? bpf_test_run+0x146/0x430 [ 692.346805] ? find_held_lock+0x35/0x130 [ 692.350987] ? bpf_test_run+0x146/0x430 [ 692.354976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.360510] ? check_preemption_disabled+0x48/0x290 [ 692.365628] ? lock_acquire+0x16f/0x3f0 [ 692.369614] ? kasan_check_read+0x11/0x20 [ 692.373943] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 692.379127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 692.384654] bpf_test_run+0x10d/0x430 [ 692.388460] bpf_prog_test_run_skb+0x64b/0xb20 [ 692.393056] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 692.397889] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 692.404023] ? fput+0x128/0x1a0 [ 692.407315] ? __bpf_prog_get+0x97/0x290 [ 692.411381] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 692.416243] bpf_prog_test_run+0x129/0x1a0 [ 692.420499] __x64_sys_bpf+0x397/0x4c0 [ 692.424415] ? bpf_prog_get+0x20/0x20 [ 692.428230] ? do_syscall_64+0x26/0x620 [ 692.432202] ? lockdep_hardirqs_on+0x415/0x5d0 [ 692.436783] ? trace_hardirqs_on+0x67/0x220 [ 692.441296] do_syscall_64+0xfd/0x620 [ 692.445094] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 692.450277] RIP: 0033:0x45af49 [ 692.453473] Code: Bad RIP value. [ 692.456842] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 692.464715] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 692.472002] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 692.479286] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 692.486551] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 692.493831] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 692.501146] warn_alloc_show_mem: 1 callbacks suppressed [ 692.501157] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 692.501159] Mem-Info: [ 692.501188] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 692.501188] active_file:13 inactive_file:11 isolated_file:0 [ 692.501188] unevictable:0 dirty:0 writeback:0 unstable:0 [ 692.501188] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 692.501188] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 692.501188] free:10923 free_pcp:135 free_cma:0 [ 692.506526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.506534] Call Trace: [ 692.513921] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 692.516314] [ 692.549456] Node 1 active_anon:1432kB 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 [ 692.558896] dump_stack+0x197/0x210 [ 692.561451] Node 0 DMA free:10256kB 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 [ 692.588877] warn_alloc.cold+0x7b/0x173 [ 692.591005] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 692.616944] ? zone_watermark_ok_safe+0x260/0x260 [ 692.620555] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 692.646832] ? __cpuset_node_allowed+0x136/0x540 [ 692.650794] lowmem_reserve[]: 0 0 1 1 1 [ 692.655832] ? __isolate_free_page+0x4c0/0x4c0 [ 692.660824] 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 [ 692.689534] ? wake_all_kswapds+0x14d/0x300 [ 692.694785] lowmem_reserve[]: 0 0 0 0 0 [ 692.698849] __alloc_pages_slowpath+0x2214/0x2870 [ 692.703500] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 692.729364] ? warn_alloc+0x110/0x110 [ 692.733651] lowmem_reserve[]: 0 0 0 0 0 [ 692.737627] ? __lock_acquire+0x6ee/0x49c0 [ 692.742453] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 692.770484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 692.774257] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 692.778246] ? should_fail+0x14d/0x85c [ 692.782460] 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 [ 692.794330] ? __isolate_free_page+0x4c0/0x4c0 [ 692.799847] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 692.814715] __alloc_pages_nodemask+0x617/0x750 [ 692.818593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 692.829334] ? __alloc_pages_slowpath+0x2870/0x2870 [ 692.833941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 692.849053] ? find_held_lock+0x35/0x130 [ 692.853692] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 692.862609] cache_grow_begin+0x91/0x8c0 [ 692.867608] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 692.867616] 269 total pagecache pages [ 692.876188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.880242] 0 pages in swap cache [ 692.889073] ? __cpuset_node_allowed+0x136/0x540 [ 692.893122] Swap cache stats: add 0, delete 0, find 0/0 [ 692.893132] Free swap = 0kB [ 692.901732] fallback_alloc+0x1fd/0x2d0 [ 692.905511] Total swap = 0kB [ 692.911045] ____cache_alloc_node+0x1be/0x1e0 [ 692.914471] 1965979 pages RAM [ 692.919218] kmem_cache_alloc_node+0xe3/0x710 [ 692.924573] 0 pages HighMem/MovableOnly [ 692.924581] 341723 pages reserved [ 692.927608] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 692.931561] 0 pages cma reserved [ 692.931632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 692.934587] __alloc_skb+0xd5/0x5f0 [ 692.939389] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 692.942433] ? skb_trim+0x190/0x190 [ 692.946921] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 692.950909] ? kasan_check_read+0x11/0x20 [ 692.995969] ndisc_alloc_skb+0x13c/0x340 [ 693.000034] ndisc_send_rs+0x35f/0x6e0 [ 693.003921] addrconf_rs_timer+0x30f/0x680 [ 693.008155] ? ipv6_get_lladdr+0x490/0x490 [ 693.012392] call_timer_fn+0x18d/0x720 [ 693.016291] ? ipv6_get_lladdr+0x490/0x490 [ 693.020519] ? process_timeout+0x40/0x40 [ 693.024570] ? run_timer_softirq+0x644/0x16a0 [ 693.029060] ? trace_hardirqs_on+0x67/0x220 [ 693.033378] ? ipv6_get_lladdr+0x490/0x490 [ 693.037603] run_timer_softirq+0x64f/0x16a0 [ 693.041926] ? add_timer+0xbe0/0xbe0 [ 693.045643] ? __lock_is_held+0xb6/0x140 [ 693.049710] __do_softirq+0x25c/0x921 [ 693.053501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.059141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.064682] irq_exit+0x180/0x1d0 [ 693.068128] smp_apic_timer_interrupt+0x13b/0x550 [ 693.072975] apic_timer_interrupt+0xf/0x20 [ 693.077197] [ 693.079427] RIP: 0010:smp_call_function_single+0x139/0x420 [ 693.085044] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 693.103937] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 693.111639] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 693.118910] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 693.126198] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 693.133476] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 693.140742] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 693.148130] ? smp_call_function_single+0x14c/0x420 [ 693.153141] ? smp_call_function_single+0x137/0x420 [ 693.158157] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 693.163959] ? generic_exec_single+0x490/0x490 [ 693.168533] ? __lock_acquire+0x6ee/0x49c0 [ 693.172760] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 693.178561] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 693.183570] ? find_next_and_bit+0x19a/0x200 [ 693.187979] smp_call_function_many+0x75f/0x8e0 [ 693.192639] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 693.198436] native_flush_tlb_others+0x81/0x420 [ 693.203099] flush_tlb_mm_range+0x21c/0x350 [ 693.207412] ? native_flush_tlb_others+0x420/0x420 [ 693.212339] ? lock_acquire+0x16f/0x3f0 [ 693.216311] ? kasan_check_write+0x14/0x20 [ 693.220543] flush_tlb_batched_pending+0x6e/0xb0 [ 693.225292] unmap_page_range+0x8b5/0x1fb0 [ 693.229535] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 693.234043] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.239573] ? kasan_check_write+0x14/0x20 [ 693.243805] __oom_reap_task_mm+0x1fb/0x3a0 [ 693.248120] ? process_shares_mm+0x130/0x130 [ 693.252781] ? oom_reaper+0x12c/0x1160 [ 693.256678] ? __lock_is_held+0xb6/0x140 [ 693.260738] oom_reaper+0x246/0x1160 [ 693.264452] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 693.268939] ? trace_hardirqs_on+0x67/0x220 [ 693.273254] ? finish_wait+0x260/0x260 [ 693.277138] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 693.282249] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.287777] ? __kthread_parkme+0xfb/0x1b0 [ 693.292009] kthread+0x354/0x420 [ 693.295368] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 693.299948] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 693.305480] ret_from_fork+0x24/0x30 [ 693.309219] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 693.309280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 693.317018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.317025] Call Trace: [ 693.323939] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 693.333210] [ 693.335776] oom_reaper cpuset=/ mems_allowed=0-1 [ 693.346130] dump_stack+0x197/0x210 [ 693.356617] warn_alloc.cold+0x7b/0x173 [ 693.360591] ? zone_watermark_ok_safe+0x260/0x260 [ 693.365432] ? __cpuset_node_allowed+0x136/0x540 [ 693.370192] ? __isolate_free_page+0x4c0/0x4c0 [ 693.374772] ? wake_all_kswapds+0x14d/0x300 [ 693.379094] __alloc_pages_slowpath+0x2214/0x2870 [ 693.383948] ? warn_alloc+0x110/0x110 [ 693.387744] ? __lock_acquire+0x6ee/0x49c0 [ 693.391971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.397503] ? should_fail+0x14d/0x85c [ 693.401413] ? __isolate_free_page+0x4c0/0x4c0 [ 693.406018] __alloc_pages_nodemask+0x617/0x750 [ 693.410685] ? __alloc_pages_slowpath+0x2870/0x2870 [ 693.415704] ? find_held_lock+0x35/0x130 [ 693.419855] cache_grow_begin+0x91/0x8c0 [ 693.423912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.429445] ? __cpuset_node_allowed+0x136/0x540 [ 693.434203] fallback_alloc+0x1fd/0x2d0 [ 693.438183] ____cache_alloc_node+0x1be/0x1e0 [ 693.442675] kmem_cache_alloc_node+0xe3/0x710 [ 693.447167] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 693.451414] __alloc_skb+0xd5/0x5f0 [ 693.455039] ? skb_trim+0x190/0x190 [ 693.458661] ? kasan_check_read+0x11/0x20 [ 693.462808] ndisc_alloc_skb+0x13c/0x340 [ 693.466878] ndisc_send_rs+0x35f/0x6e0 [ 693.470775] addrconf_rs_timer+0x30f/0x680 [ 693.475006] ? ipv6_get_lladdr+0x490/0x490 [ 693.479240] call_timer_fn+0x18d/0x720 [ 693.483296] ? ipv6_get_lladdr+0x490/0x490 [ 693.487536] ? process_timeout+0x40/0x40 [ 693.491590] ? run_timer_softirq+0x644/0x16a0 [ 693.496103] ? trace_hardirqs_on+0x67/0x220 [ 693.500449] ? ipv6_get_lladdr+0x490/0x490 [ 693.504703] run_timer_softirq+0x64f/0x16a0 [ 693.509050] ? add_timer+0xbe0/0xbe0 [ 693.512766] ? __lock_is_held+0xb6/0x140 [ 693.516838] __do_softirq+0x25c/0x921 [ 693.520651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.526277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.531819] irq_exit+0x180/0x1d0 [ 693.535274] smp_apic_timer_interrupt+0x13b/0x550 [ 693.540397] apic_timer_interrupt+0xf/0x20 [ 693.544616] [ 693.546923] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 693.551884] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 693.570913] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 693.578736] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 693.586013] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 693.593306] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 693.600595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 693.607891] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 693.615210] skb_clone+0x156/0x3e0 [ 693.618767] bpf_clone_redirect+0xb2/0x480 [ 693.623138] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 693.628528] ? 0xffffffff81000000 [ 693.632002] ? mark_held_locks+0x100/0x100 [ 693.636265] ? trace_hardirqs_on_caller+0x6a/0x220 [ 693.641224] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 693.646007] ? bpf_test_run+0x146/0x430 [ 693.650003] ? find_held_lock+0x35/0x130 [ 693.654091] ? bpf_test_run+0x146/0x430 [ 693.658087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.663644] ? check_preemption_disabled+0x48/0x290 [ 693.668680] ? lock_acquire+0x16f/0x3f0 [ 693.672678] ? kasan_check_read+0x11/0x20 [ 693.676846] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 693.682081] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.687623] bpf_test_run+0x10d/0x430 [ 693.691434] bpf_prog_test_run_skb+0x64b/0xb20 [ 693.696043] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 693.700883] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.706417] ? fput+0x128/0x1a0 [ 693.709696] ? __bpf_prog_get+0x97/0x290 [ 693.713868] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 693.718728] bpf_prog_test_run+0x129/0x1a0 [ 693.722979] __x64_sys_bpf+0x397/0x4c0 [ 693.726865] ? bpf_prog_get+0x20/0x20 [ 693.730704] ? do_syscall_64+0x26/0x620 [ 693.734682] ? lockdep_hardirqs_on+0x415/0x5d0 [ 693.739264] ? trace_hardirqs_on+0x67/0x220 [ 693.743608] do_syscall_64+0xfd/0x620 [ 693.747423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 693.752616] RIP: 0033:0x45af49 [ 693.755817] Code: Bad RIP value. [ 693.759171] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 693.767019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 693.774310] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 693.781601] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 693.788866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 693.796148] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 693.803435] warn_alloc_show_mem: 1 callbacks suppressed [ 693.803446] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 693.803448] Mem-Info: [ 693.803477] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 693.803477] active_file:13 inactive_file:11 isolated_file:0 [ 693.803477] unevictable:0 dirty:0 writeback:0 unstable:0 [ 693.803477] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 693.803477] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 693.803477] free:10923 free_pcp:135 free_cma:0 [ 693.808914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 693.808925] Call Trace: [ 693.816322] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 693.818720] [ 693.851866] Node 1 active_anon:1432kB 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 [ 693.861216] dump_stack+0x197/0x210 [ 693.863792] Node 0 DMA free:10256kB 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 [ 693.891300] warn_alloc.cold+0x7b/0x173 [ 693.893420] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 693.919368] ? zone_watermark_ok_safe+0x260/0x260 [ 693.922968] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 693.949086] ? __cpuset_node_allowed+0x136/0x540 [ 693.953119] lowmem_reserve[]: 0 0 1 1 1 [ 693.958148] ? __isolate_free_page+0x4c0/0x4c0 [ 693.963149] 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 [ 693.991815] ? wake_all_kswapds+0x14d/0x300 [ 693.996548] lowmem_reserve[]: 0 0 0 0 0 [ 694.000524] __alloc_pages_slowpath+0x2214/0x2870 [ 694.005680] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 694.031482] ? warn_alloc+0x110/0x110 [ 694.035778] lowmem_reserve[]: 0 0 0 0 0 [ 694.039753] ? __lock_acquire+0x6ee/0x49c0 [ 694.044587] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 694.072635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.076416] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 694.080403] ? should_fail+0x14d/0x85c [ 694.084622] 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 [ 694.096453] ? __isolate_free_page+0x4c0/0x4c0 [ 694.102108] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 694.117206] __alloc_pages_nodemask+0x617/0x750 [ 694.121085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 694.131765] ? __alloc_pages_slowpath+0x2870/0x2870 [ 694.136472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 694.151660] ? find_held_lock+0x35/0x130 [ 694.156304] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 694.165264] cache_grow_begin+0x91/0x8c0 [ 694.170264] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 694.178843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.182906] 269 total pagecache pages [ 694.191853] ? __cpuset_node_allowed+0x136/0x540 [ 694.195931] 0 pages in swap cache [ 694.204523] fallback_alloc+0x1fd/0x2d0 [ 694.210044] Swap cache stats: add 0, delete 0, find 0/0 [ 694.210054] Free swap = 0kB [ 694.214408] ____cache_alloc_node+0x1be/0x1e0 [ 694.219145] Total swap = 0kB [ 694.222598] kmem_cache_alloc_node+0xe3/0x710 [ 694.226572] 1965979 pages RAM [ 694.231992] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 694.234982] 0 pages HighMem/MovableOnly [ 694.234991] 341723 pages reserved [ 694.240457] __alloc_skb+0xd5/0x5f0 [ 694.243442] 0 pages cma reserved [ 694.243510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 694.247943] ? skb_trim+0x190/0x190 [ 694.247957] ? kasan_check_read+0x11/0x20 [ 694.247981] ndisc_alloc_skb+0x13c/0x340 [ 694.251107] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 694.255295] ndisc_send_rs+0x35f/0x6e0 [ 694.259241] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 694.262880] addrconf_rs_timer+0x30f/0x680 [ 694.312457] ? ipv6_get_lladdr+0x490/0x490 [ 694.316696] call_timer_fn+0x18d/0x720 [ 694.320579] ? ipv6_get_lladdr+0x490/0x490 [ 694.324810] ? process_timeout+0x40/0x40 [ 694.328891] ? run_timer_softirq+0x644/0x16a0 [ 694.333487] ? trace_hardirqs_on+0x67/0x220 [ 694.337826] ? ipv6_get_lladdr+0x490/0x490 [ 694.342060] run_timer_softirq+0x64f/0x16a0 [ 694.346556] ? add_timer+0xbe0/0xbe0 [ 694.350277] ? __lock_is_held+0xb6/0x140 [ 694.354347] __do_softirq+0x25c/0x921 [ 694.358160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.363702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.369413] irq_exit+0x180/0x1d0 [ 694.372862] smp_apic_timer_interrupt+0x13b/0x550 [ 694.377715] apic_timer_interrupt+0xf/0x20 [ 694.381942] [ 694.384180] RIP: 0010:smp_call_function_single+0x139/0x420 [ 694.389799] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 694.408776] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 694.416489] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 694.423750] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 694.431011] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 694.438273] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 694.445534] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 694.452815] ? smp_call_function_single+0x14c/0x420 [ 694.457829] ? smp_call_function_single+0x137/0x420 [ 694.462845] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 694.468637] ? generic_exec_single+0x490/0x490 [ 694.473214] ? __lock_acquire+0x6ee/0x49c0 [ 694.477461] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 694.483276] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 694.488320] ? find_next_and_bit+0x19a/0x200 [ 694.492746] smp_call_function_many+0x75f/0x8e0 [ 694.497588] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 694.503393] native_flush_tlb_others+0x81/0x420 [ 694.508057] flush_tlb_mm_range+0x21c/0x350 [ 694.512382] ? native_flush_tlb_others+0x420/0x420 [ 694.517327] ? lock_acquire+0x16f/0x3f0 [ 694.521311] ? kasan_check_write+0x14/0x20 [ 694.525628] flush_tlb_batched_pending+0x6e/0xb0 [ 694.530381] unmap_page_range+0x8b5/0x1fb0 [ 694.534634] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 694.539124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 694.544746] ? kasan_check_write+0x14/0x20 [ 694.548979] __oom_reap_task_mm+0x1fb/0x3a0 [ 694.553312] ? process_shares_mm+0x130/0x130 [ 694.557716] ? oom_reaper+0x12c/0x1160 [ 694.561612] ? __lock_is_held+0xb6/0x140 [ 694.565674] oom_reaper+0x246/0x1160 [ 694.569387] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 694.573935] ? trace_hardirqs_on+0x67/0x220 [ 694.578296] ? finish_wait+0x260/0x260 [ 694.582189] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 694.587297] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 694.592838] ? __kthread_parkme+0xfb/0x1b0 [ 694.597721] kthread+0x354/0x420 [ 694.601086] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 694.605589] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 694.611156] ret_from_fork+0x24/0x30 [ 694.614882] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 694.614946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 694.622680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 694.622685] Call Trace: [ 694.622691] [ 694.622707] dump_stack+0x197/0x210 [ 694.622724] warn_alloc.cold+0x7b/0x173 [ 694.629281] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 694.638583] ? zone_watermark_ok_safe+0x260/0x260 [ 694.641317] oom_reaper cpuset=/ mems_allowed=0-1 [ 694.643465] ? __cpuset_node_allowed+0x136/0x540 [ 694.675557] ? __isolate_free_page+0x4c0/0x4c0 [ 694.680132] ? wake_all_kswapds+0x14d/0x300 [ 694.684456] __alloc_pages_slowpath+0x2214/0x2870 [ 694.689309] ? warn_alloc+0x110/0x110 [ 694.693112] ? __lock_acquire+0x6ee/0x49c0 [ 694.697554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 694.703090] ? should_fail+0x14d/0x85c [ 694.706976] ? __isolate_free_page+0x4c0/0x4c0 [ 694.711565] __alloc_pages_nodemask+0x617/0x750 [ 694.716235] ? __alloc_pages_slowpath+0x2870/0x2870 [ 694.721290] ? find_held_lock+0x35/0x130 [ 694.725381] cache_grow_begin+0x91/0x8c0 [ 694.729444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.734998] ? __cpuset_node_allowed+0x136/0x540 [ 694.739757] fallback_alloc+0x1fd/0x2d0 [ 694.743735] ____cache_alloc_node+0x1be/0x1e0 [ 694.748228] kmem_cache_alloc_node+0xe3/0x710 [ 694.752715] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 694.756950] __alloc_skb+0xd5/0x5f0 [ 694.760568] ? skb_trim+0x190/0x190 [ 694.764186] ? kasan_check_read+0x11/0x20 [ 694.768347] ndisc_alloc_skb+0x13c/0x340 [ 694.772416] ndisc_send_rs+0x35f/0x6e0 [ 694.776397] addrconf_rs_timer+0x30f/0x680 [ 694.780639] ? ipv6_get_lladdr+0x490/0x490 [ 694.784889] call_timer_fn+0x18d/0x720 [ 694.788788] ? ipv6_get_lladdr+0x490/0x490 [ 694.793013] ? process_timeout+0x40/0x40 [ 694.797066] ? run_timer_softirq+0x644/0x16a0 [ 694.801901] ? trace_hardirqs_on+0x67/0x220 [ 694.806219] ? ipv6_get_lladdr+0x490/0x490 [ 694.810455] run_timer_softirq+0x64f/0x16a0 [ 694.814773] ? add_timer+0xbe0/0xbe0 [ 694.818491] ? __lock_is_held+0xb6/0x140 [ 694.823334] __do_softirq+0x25c/0x921 [ 694.827126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.832660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.838197] irq_exit+0x180/0x1d0 [ 694.841657] smp_apic_timer_interrupt+0x13b/0x550 [ 694.846518] apic_timer_interrupt+0xf/0x20 [ 694.850738] [ 694.852965] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 694.857886] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 694.876778] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 694.884477] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 694.891737] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 694.898996] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 694.906253] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 694.913511] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 694.920798] skb_clone+0x156/0x3e0 [ 694.924349] bpf_clone_redirect+0xb2/0x480 [ 694.928584] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 694.933589] ? 0xffffffff81000000 [ 694.937040] ? mark_held_locks+0x100/0x100 [ 694.941265] ? trace_hardirqs_on_caller+0x6a/0x220 [ 694.946208] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 694.950956] ? bpf_test_run+0x146/0x430 [ 694.954922] ? find_held_lock+0x35/0x130 [ 694.958975] ? bpf_test_run+0x146/0x430 [ 694.962946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 694.968473] ? check_preemption_disabled+0x48/0x290 [ 694.973477] ? lock_acquire+0x16f/0x3f0 [ 694.977462] ? kasan_check_read+0x11/0x20 [ 694.981606] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 694.986787] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 694.992319] bpf_test_run+0x10d/0x430 [ 694.996123] bpf_prog_test_run_skb+0x64b/0xb20 [ 695.000701] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 695.005533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 695.011071] ? fput+0x128/0x1a0 [ 695.014343] ? __bpf_prog_get+0x97/0x290 [ 695.018403] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 695.023235] bpf_prog_test_run+0x129/0x1a0 [ 695.027461] __x64_sys_bpf+0x397/0x4c0 [ 695.031341] ? bpf_prog_get+0x20/0x20 [ 695.035163] ? do_syscall_64+0x26/0x620 [ 695.039152] ? lockdep_hardirqs_on+0x415/0x5d0 [ 695.043747] ? trace_hardirqs_on+0x67/0x220 [ 695.048090] do_syscall_64+0xfd/0x620 [ 695.051998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 695.057197] RIP: 0033:0x45af49 [ 695.060414] Code: Bad RIP value. [ 695.063869] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 695.071572] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 695.078833] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 695.086092] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 695.093478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 695.100754] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 695.108064] warn_alloc_show_mem: 1 callbacks suppressed [ 695.108075] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 695.108077] Mem-Info: [ 695.108107] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 695.108107] active_file:13 inactive_file:11 isolated_file:0 [ 695.108107] unevictable:0 dirty:0 writeback:0 unstable:0 [ 695.108107] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 695.108107] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 695.108107] free:10923 free_pcp:135 free_cma:0 [ 695.113444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.120810] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 695.123205] Call Trace: [ 695.156702] Node 1 active_anon:1432kB 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 [ 695.166543] [ 695.193936] Node 0 DMA free:10256kB 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 [ 695.196962] dump_stack+0x197/0x210 [ 695.222866] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 695.225037] warn_alloc.cold+0x7b/0x173 [ 695.251127] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 695.254757] ? zone_watermark_ok_safe+0x260/0x260 [ 695.259744] lowmem_reserve[]: 0 0 1 1 1 [ 695.264420] ? __cpuset_node_allowed+0x136/0x540 [ 695.293043] 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 [ 695.297901] ? __isolate_free_page+0x4c0/0x4c0 [ 695.301829] lowmem_reserve[]: 0 0 0 0 0 [ 695.306585] ? wake_all_kswapds+0x14d/0x300 [ 695.332336] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 695.336937] __alloc_pages_slowpath+0x2214/0x2870 [ 695.340885] lowmem_reserve[]: 0 0 0 0 0 [ 695.345230] ? warn_alloc+0x110/0x110 [ 695.373035] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 695.377874] ? __lock_acquire+0x6ee/0x49c0 [ 695.381820] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 695.385623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 695.397390] 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 [ 695.401643] ? should_fail+0x14d/0x85c [ 695.416800] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 695.422339] ? __isolate_free_page+0x4c0/0x4c0 [ 695.432988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 695.436874] __alloc_pages_nodemask+0x617/0x750 [ 695.451953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 695.456562] ? __alloc_pages_slowpath+0x2870/0x2870 [ 695.465363] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 695.470041] ? find_held_lock+0x35/0x130 [ 695.478585] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 695.478594] 269 total pagecache pages [ 695.483638] cache_grow_begin+0x91/0x8c0 [ 695.492460] 0 pages in swap cache [ 695.496522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.505084] Swap cache stats: add 0, delete 0, find 0/0 [ 695.509059] ? __cpuset_node_allowed+0x136/0x540 [ 695.513101] Free swap = 0kB [ 695.513112] Total swap = 0kB [ 695.516583] fallback_alloc+0x1fd/0x2d0 [ 695.522180] 1965979 pages RAM [ 695.527628] ____cache_alloc_node+0x1be/0x1e0 [ 695.532360] 0 pages HighMem/MovableOnly [ 695.535373] kmem_cache_alloc_node+0xe3/0x710 [ 695.538388] 341723 pages reserved [ 695.538395] 0 pages cma reserved [ 695.542481] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 695.545647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 695.550066] __alloc_skb+0xd5/0x5f0 [ 695.550087] ? skb_trim+0x190/0x190 [ 695.554095] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 695.558534] ? kasan_check_read+0x11/0x20 [ 695.561962] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 695.565327] ndisc_alloc_skb+0x13c/0x340 [ 695.607320] ndisc_send_rs+0x35f/0x6e0 [ 695.611209] addrconf_rs_timer+0x30f/0x680 [ 695.615455] ? ipv6_get_lladdr+0x490/0x490 [ 695.621174] call_timer_fn+0x18d/0x720 [ 695.625055] ? ipv6_get_lladdr+0x490/0x490 [ 695.629291] ? process_timeout+0x40/0x40 [ 695.633471] ? run_timer_softirq+0x644/0x16a0 [ 695.638088] ? trace_hardirqs_on+0x67/0x220 [ 695.642435] ? ipv6_get_lladdr+0x490/0x490 [ 695.646780] run_timer_softirq+0x64f/0x16a0 [ 695.651109] ? add_timer+0xbe0/0xbe0 [ 695.654828] ? __lock_is_held+0xb6/0x140 [ 695.658901] __do_softirq+0x25c/0x921 [ 695.662699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.668227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 695.673778] irq_exit+0x180/0x1d0 [ 695.677315] smp_apic_timer_interrupt+0x13b/0x550 [ 695.682155] apic_timer_interrupt+0xf/0x20 [ 695.686374] [ 695.688606] RIP: 0010:smp_call_function_single+0x139/0x420 [ 695.694238] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 695.713133] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 695.720846] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 695.728106] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 695.735367] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 695.742627] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 695.749888] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 695.757164] ? smp_call_function_single+0x14c/0x420 [ 695.762184] ? smp_call_function_single+0x137/0x420 [ 695.767209] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 695.773001] ? generic_exec_single+0x490/0x490 [ 695.777576] ? __lock_acquire+0x6ee/0x49c0 [ 695.781806] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 695.787598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 695.792730] ? find_next_and_bit+0x19a/0x200 [ 695.797168] smp_call_function_many+0x75f/0x8e0 [ 695.801862] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 695.807697] native_flush_tlb_others+0x81/0x420 [ 695.812371] flush_tlb_mm_range+0x21c/0x350 [ 695.816691] ? native_flush_tlb_others+0x420/0x420 [ 695.821629] ? lock_acquire+0x16f/0x3f0 [ 695.825599] ? kasan_check_write+0x14/0x20 [ 695.829828] flush_tlb_batched_pending+0x6e/0xb0 [ 695.834582] unmap_page_range+0x8b5/0x1fb0 [ 695.838835] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 695.843321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 695.848854] ? kasan_check_write+0x14/0x20 [ 695.853096] __oom_reap_task_mm+0x1fb/0x3a0 [ 695.857416] ? process_shares_mm+0x130/0x130 [ 695.861834] ? oom_reaper+0x12c/0x1160 [ 695.865721] ? __lock_is_held+0xb6/0x140 [ 695.869798] oom_reaper+0x246/0x1160 [ 695.873511] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 695.878001] ? trace_hardirqs_on+0x67/0x220 [ 695.882317] ? finish_wait+0x260/0x260 [ 695.886213] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 695.891307] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 695.896838] ? __kthread_parkme+0xfb/0x1b0 [ 695.901073] kthread+0x354/0x420 [ 695.904444] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 695.908947] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 695.914490] ret_from_fork+0x24/0x30 [ 695.918238] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 695.918301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 695.926126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 695.926134] Call Trace: [ 695.932712] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 695.941963] [ 695.944535] oom_reaper cpuset=/ mems_allowed=0-1 [ 695.954776] dump_stack+0x197/0x210 [ 695.965257] warn_alloc.cold+0x7b/0x173 [ 695.969238] ? zone_watermark_ok_safe+0x260/0x260 [ 695.974092] ? __cpuset_node_allowed+0x136/0x540 [ 695.978846] ? __isolate_free_page+0x4c0/0x4c0 [ 695.983423] ? wake_all_kswapds+0x14d/0x300 [ 695.987760] __alloc_pages_slowpath+0x2214/0x2870 [ 695.992616] ? warn_alloc+0x110/0x110 [ 695.996411] ? __lock_acquire+0x6ee/0x49c0 [ 696.000648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.006178] ? should_fail+0x14d/0x85c [ 696.010060] ? __isolate_free_page+0x4c0/0x4c0 [ 696.014645] __alloc_pages_nodemask+0x617/0x750 [ 696.019328] ? __alloc_pages_slowpath+0x2870/0x2870 [ 696.024343] ? find_held_lock+0x35/0x130 [ 696.028399] cache_grow_begin+0x91/0x8c0 [ 696.032456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.037997] ? __cpuset_node_allowed+0x136/0x540 [ 696.042760] fallback_alloc+0x1fd/0x2d0 [ 696.046732] ____cache_alloc_node+0x1be/0x1e0 [ 696.051239] kmem_cache_alloc_node+0xe3/0x710 [ 696.055733] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 696.059967] __alloc_skb+0xd5/0x5f0 [ 696.063852] ? skb_trim+0x190/0x190 [ 696.067474] ? kasan_check_read+0x11/0x20 [ 696.071644] ndisc_alloc_skb+0x13c/0x340 [ 696.075702] ndisc_send_rs+0x35f/0x6e0 [ 696.079586] addrconf_rs_timer+0x30f/0x680 [ 696.083817] ? ipv6_get_lladdr+0x490/0x490 [ 696.088052] call_timer_fn+0x18d/0x720 [ 696.091931] ? ipv6_get_lladdr+0x490/0x490 [ 696.096156] ? process_timeout+0x40/0x40 [ 696.100221] ? run_timer_softirq+0x644/0x16a0 [ 696.104717] ? trace_hardirqs_on+0x67/0x220 [ 696.109056] ? ipv6_get_lladdr+0x490/0x490 [ 696.113311] run_timer_softirq+0x64f/0x16a0 [ 696.117653] ? add_timer+0xbe0/0xbe0 [ 696.121365] ? __lock_is_held+0xb6/0x140 [ 696.125436] __do_softirq+0x25c/0x921 [ 696.129236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.134778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.144243] irq_exit+0x180/0x1d0 [ 696.147694] smp_apic_timer_interrupt+0x13b/0x550 [ 696.152552] apic_timer_interrupt+0xf/0x20 [ 696.156777] [ 696.159006] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 696.163930] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 696.182948] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 696.190665] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 696.197928] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 696.205202] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 696.212471] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 696.219732] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 696.227052] skb_clone+0x156/0x3e0 [ 696.230603] bpf_clone_redirect+0xb2/0x480 [ 696.234925] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 696.239933] ? 0xffffffff81000000 [ 696.243388] ? mark_held_locks+0x100/0x100 [ 696.247693] ? trace_hardirqs_on_caller+0x6a/0x220 [ 696.252633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 696.257381] ? bpf_test_run+0x146/0x430 [ 696.261364] ? find_held_lock+0x35/0x130 [ 696.265420] ? bpf_test_run+0x146/0x430 [ 696.269391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.274919] ? check_preemption_disabled+0x48/0x290 [ 696.279928] ? lock_acquire+0x16f/0x3f0 [ 696.283897] ? kasan_check_read+0x11/0x20 [ 696.288038] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 696.293222] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 696.298756] bpf_test_run+0x10d/0x430 [ 696.302619] bpf_prog_test_run_skb+0x64b/0xb20 [ 696.307460] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 696.312294] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 696.317912] ? fput+0x128/0x1a0 [ 696.321205] ? __bpf_prog_get+0x97/0x290 [ 696.325263] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 696.330099] bpf_prog_test_run+0x129/0x1a0 [ 696.334339] __x64_sys_bpf+0x397/0x4c0 [ 696.338220] ? bpf_prog_get+0x20/0x20 [ 696.342032] ? do_syscall_64+0x26/0x620 [ 696.346023] ? lockdep_hardirqs_on+0x415/0x5d0 [ 696.350680] ? trace_hardirqs_on+0x67/0x220 [ 696.355028] do_syscall_64+0xfd/0x620 [ 696.358833] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 696.364032] RIP: 0033:0x45af49 [ 696.367258] Code: Bad RIP value. [ 696.370624] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 696.378348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 696.385629] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 696.393075] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 696.400346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 696.407607] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 696.414884] warn_alloc_show_mem: 1 callbacks suppressed [ 696.414894] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 696.414896] Mem-Info: [ 696.414925] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 696.414925] active_file:13 inactive_file:11 isolated_file:0 [ 696.414925] unevictable:0 dirty:0 writeback:0 unstable:0 [ 696.414925] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 696.414925] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 696.414925] free:10923 free_pcp:135 free_cma:0 [ 696.420260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.420268] Call Trace: [ 696.427631] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 696.430025] [ 696.463080] Node 1 active_anon:1432kB 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 [ 696.472524] dump_stack+0x197/0x210 [ 696.475103] Node 0 DMA free:10256kB 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 [ 696.502527] warn_alloc.cold+0x7b/0x173 [ 696.504649] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 696.531413] ? zone_watermark_ok_safe+0x260/0x260 [ 696.535029] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 696.561134] ? __cpuset_node_allowed+0x136/0x540 [ 696.565075] lowmem_reserve[]: 0 0 1 1 1 [ 696.570096] ? __isolate_free_page+0x4c0/0x4c0 [ 696.574906] 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 [ 696.603545] ? wake_all_kswapds+0x14d/0x300 [ 696.608276] lowmem_reserve[]: 0 0 0 0 0 [ 696.612262] __alloc_pages_slowpath+0x2214/0x2870 [ 696.616830] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 696.642616] ? warn_alloc+0x110/0x110 [ 696.646892] lowmem_reserve[]: 0 0 0 0 0 [ 696.650871] ? __lock_acquire+0x6ee/0x49c0 [ 696.655685] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 696.683546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 696.687335] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 696.691327] ? should_fail+0x14d/0x85c [ 696.695530] 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 [ 696.707347] ? __isolate_free_page+0x4c0/0x4c0 [ 696.712866] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 696.727721] __alloc_pages_nodemask+0x617/0x750 [ 696.731585] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 696.742234] ? __alloc_pages_slowpath+0x2870/0x2870 [ 696.746786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 696.746799] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 696.761881] ? find_held_lock+0x35/0x130 [ 696.766520] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 696.766528] 269 total pagecache pages [ 696.775369] cache_grow_begin+0x91/0x8c0 [ 696.780362] 0 pages in swap cache [ 696.788929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.797745] Swap cache stats: add 0, delete 0, find 0/0 [ 696.797753] Free swap = 0kB [ 696.801809] ? __cpuset_node_allowed+0x136/0x540 [ 696.810371] Total swap = 0kB [ 696.810381] 1965979 pages RAM [ 696.814171] fallback_alloc+0x1fd/0x2d0 [ 696.818205] 0 pages HighMem/MovableOnly [ 696.818212] 341723 pages reserved [ 696.821659] ____cache_alloc_node+0x1be/0x1e0 [ 696.827166] 0 pages cma reserved [ 696.832525] kmem_cache_alloc_node+0xe3/0x710 [ 696.835572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 696.840285] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 696.840307] __alloc_skb+0xd5/0x5f0 [ 696.840325] ? skb_trim+0x190/0x190 [ 696.843497] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 696.846427] ? kasan_check_read+0x11/0x20 [ 696.850375] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 696.854350] ndisc_alloc_skb+0x13c/0x340 [ 696.912208] ndisc_send_rs+0x35f/0x6e0 [ 696.916095] addrconf_rs_timer+0x30f/0x680 [ 696.920324] ? ipv6_get_lladdr+0x490/0x490 [ 696.924570] call_timer_fn+0x18d/0x720 [ 696.928450] ? ipv6_get_lladdr+0x490/0x490 [ 696.932691] ? process_timeout+0x40/0x40 [ 696.936760] ? run_timer_softirq+0x644/0x16a0 [ 696.941352] ? trace_hardirqs_on+0x67/0x220 [ 696.945681] ? ipv6_get_lladdr+0x490/0x490 [ 696.949914] run_timer_softirq+0x64f/0x16a0 [ 696.954234] ? add_timer+0xbe0/0xbe0 [ 696.957942] ? __lock_is_held+0xb6/0x140 [ 696.962024] __do_softirq+0x25c/0x921 [ 696.965820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.971349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.976899] irq_exit+0x180/0x1d0 [ 696.980348] smp_apic_timer_interrupt+0x13b/0x550 [ 696.985202] apic_timer_interrupt+0xf/0x20 [ 696.989421] [ 696.991673] RIP: 0010:smp_call_function_single+0x139/0x420 [ 696.997385] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 697.016280] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 697.023983] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 697.031241] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 697.038501] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 697.045774] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 697.053035] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 697.060309] ? smp_call_function_single+0x14c/0x420 [ 697.065319] ? smp_call_function_single+0x137/0x420 [ 697.070345] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 697.076150] ? generic_exec_single+0x490/0x490 [ 697.080725] ? __lock_acquire+0x6ee/0x49c0 [ 697.084965] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 697.090755] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 697.095762] ? find_next_and_bit+0x19a/0x200 [ 697.100170] smp_call_function_many+0x75f/0x8e0 [ 697.104835] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 697.110633] native_flush_tlb_others+0x81/0x420 [ 697.115298] flush_tlb_mm_range+0x21c/0x350 [ 697.119613] ? native_flush_tlb_others+0x420/0x420 [ 697.124541] ? lock_acquire+0x16f/0x3f0 [ 697.128510] ? kasan_check_write+0x14/0x20 [ 697.132745] flush_tlb_batched_pending+0x6e/0xb0 [ 697.137507] unmap_page_range+0x8b5/0x1fb0 [ 697.141762] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 697.146265] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.151821] ? kasan_check_write+0x14/0x20 [ 697.156057] __oom_reap_task_mm+0x1fb/0x3a0 [ 697.160377] ? process_shares_mm+0x130/0x130 [ 697.164782] ? oom_reaper+0x12c/0x1160 [ 697.168671] ? __lock_is_held+0xb6/0x140 [ 697.172736] oom_reaper+0x246/0x1160 [ 697.176447] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 697.180960] ? trace_hardirqs_on+0x67/0x220 [ 697.185305] ? finish_wait+0x260/0x260 [ 697.189273] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 697.194447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.199987] ? __kthread_parkme+0xfb/0x1b0 [ 697.204226] kthread+0x354/0x420 [ 697.207599] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 697.212094] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 697.217632] ret_from_fork+0x24/0x30 [ 697.221368] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 697.221428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 697.229184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 697.229189] Call Trace: [ 697.229195] [ 697.229211] dump_stack+0x197/0x210 [ 697.229228] warn_alloc.cold+0x7b/0x173 [ 697.235839] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 697.245100] ? zone_watermark_ok_safe+0x260/0x260 [ 697.247664] oom_reaper cpuset=/ mems_allowed=0-1 [ 697.249810] ? __cpuset_node_allowed+0x136/0x540 [ 697.283011] ? __isolate_free_page+0x4c0/0x4c0 [ 697.287798] ? wake_all_kswapds+0x14d/0x300 [ 697.292307] __alloc_pages_slowpath+0x2214/0x2870 [ 697.297161] ? warn_alloc+0x110/0x110 [ 697.300965] ? __lock_acquire+0x6ee/0x49c0 [ 697.305195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.310725] ? should_fail+0x14d/0x85c [ 697.314783] ? __isolate_free_page+0x4c0/0x4c0 [ 697.319371] __alloc_pages_nodemask+0x617/0x750 [ 697.324039] ? __alloc_pages_slowpath+0x2870/0x2870 [ 697.329055] ? find_held_lock+0x35/0x130 [ 697.333112] cache_grow_begin+0x91/0x8c0 [ 697.337166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.342733] ? __cpuset_node_allowed+0x136/0x540 [ 697.347505] fallback_alloc+0x1fd/0x2d0 [ 697.351582] ____cache_alloc_node+0x1be/0x1e0 [ 697.356081] kmem_cache_alloc_node+0xe3/0x710 [ 697.360570] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 697.364812] __alloc_skb+0xd5/0x5f0 [ 697.368436] ? skb_trim+0x190/0x190 [ 697.372056] ? kasan_check_read+0x11/0x20 [ 697.376224] ndisc_alloc_skb+0x13c/0x340 [ 697.380281] ndisc_send_rs+0x35f/0x6e0 [ 697.384170] addrconf_rs_timer+0x30f/0x680 [ 697.388415] ? ipv6_get_lladdr+0x490/0x490 [ 697.392651] call_timer_fn+0x18d/0x720 [ 697.396532] ? ipv6_get_lladdr+0x490/0x490 [ 697.400761] ? process_timeout+0x40/0x40 [ 697.404826] ? run_timer_softirq+0x644/0x16a0 [ 697.409340] ? trace_hardirqs_on+0x67/0x220 [ 697.413676] ? ipv6_get_lladdr+0x490/0x490 [ 697.417926] run_timer_softirq+0x64f/0x16a0 [ 697.422278] ? add_timer+0xbe0/0xbe0 [ 697.425999] ? __lock_is_held+0xb6/0x140 [ 697.430067] __do_softirq+0x25c/0x921 [ 697.433865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.439416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.444976] irq_exit+0x180/0x1d0 [ 697.448425] smp_apic_timer_interrupt+0x13b/0x550 [ 697.453264] apic_timer_interrupt+0xf/0x20 [ 697.457486] [ 697.459718] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 697.464644] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 697.483551] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 697.491259] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 697.498519] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 697.505780] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 697.513253] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 697.520522] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 697.527823] skb_clone+0x156/0x3e0 [ 697.531362] bpf_clone_redirect+0xb2/0x480 [ 697.535596] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 697.540603] ? 0xffffffff81000000 [ 697.544159] ? mark_held_locks+0x100/0x100 [ 697.548562] ? trace_hardirqs_on_caller+0x6a/0x220 [ 697.553497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 697.558255] ? bpf_test_run+0x146/0x430 [ 697.562225] ? find_held_lock+0x35/0x130 [ 697.566276] ? bpf_test_run+0x146/0x430 [ 697.570248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.575795] ? check_preemption_disabled+0x48/0x290 [ 697.580838] ? lock_acquire+0x16f/0x3f0 [ 697.584919] ? kasan_check_read+0x11/0x20 [ 697.589073] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 697.594523] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.600314] bpf_test_run+0x10d/0x430 [ 697.604118] bpf_prog_test_run_skb+0x64b/0xb20 [ 697.608697] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 697.613542] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.619074] ? fput+0x128/0x1a0 [ 697.622348] ? __bpf_prog_get+0x97/0x290 [ 697.626421] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 697.631263] bpf_prog_test_run+0x129/0x1a0 [ 697.635496] __x64_sys_bpf+0x397/0x4c0 [ 697.639464] ? bpf_prog_get+0x20/0x20 [ 697.643352] ? do_syscall_64+0x26/0x620 [ 697.647323] ? lockdep_hardirqs_on+0x415/0x5d0 [ 697.651897] ? trace_hardirqs_on+0x67/0x220 [ 697.656213] do_syscall_64+0xfd/0x620 [ 697.660018] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 697.665200] RIP: 0033:0x45af49 [ 697.668489] Code: Bad RIP value. [ 697.671843] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 697.679547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 697.686812] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 697.694085] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 697.701348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 697.708696] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 697.716323] warn_alloc_show_mem: 1 callbacks suppressed [ 697.716333] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 697.716335] Mem-Info: [ 697.716364] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 697.716364] active_file:13 inactive_file:11 isolated_file:0 [ 697.716364] unevictable:0 dirty:0 writeback:0 unstable:0 [ 697.716364] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 697.716364] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 697.716364] free:10923 free_pcp:135 free_cma:0 [ 697.721721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 697.729080] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 697.731483] Call Trace: [ 697.764553] Node 1 active_anon:1432kB 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 [ 697.773891] [ 697.801316] Node 0 DMA free:10256kB 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 [ 697.803921] dump_stack+0x197/0x210 [ 697.830465] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 697.832644] warn_alloc.cold+0x7b/0x173 [ 697.858731] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 697.862475] ? zone_watermark_ok_safe+0x260/0x260 [ 697.867454] lowmem_reserve[]: 0 0 1 1 1 [ 697.871431] ? __cpuset_node_allowed+0x136/0x540 [ 697.900309] 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 [ 697.905158] ? __isolate_free_page+0x4c0/0x4c0 [ 697.909098] lowmem_reserve[]: 0 0 0 0 0 [ 697.914207] ? wake_all_kswapds+0x14d/0x300 [ 697.939957] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 697.944599] __alloc_pages_slowpath+0x2214/0x2870 [ 697.948579] lowmem_reserve[]: 0 0 0 0 0 [ 697.952944] ? warn_alloc+0x110/0x110 [ 697.980934] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 697.985790] ? __lock_acquire+0x6ee/0x49c0 [ 697.989732] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 697.993550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.005320] 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 [ 698.009575] ? should_fail+0x14d/0x85c [ 698.024808] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 698.030346] ? __isolate_free_page+0x4c0/0x4c0 [ 698.041244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 698.045146] __alloc_pages_nodemask+0x617/0x750 [ 698.060219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 698.060235] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 698.065272] ? __alloc_pages_slowpath+0x2870/0x2870 [ 698.074153] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 698.074162] 269 total pagecache pages [ 698.078934] ? find_held_lock+0x35/0x130 [ 698.087485] 0 pages in swap cache [ 698.096324] cache_grow_begin+0x91/0x8c0 [ 698.101403] Swap cache stats: add 0, delete 0, find 0/0 [ 698.109970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.113756] Free swap = 0kB [ 698.117809] ? __cpuset_node_allowed+0x136/0x540 [ 698.121247] Total swap = 0kB [ 698.121256] 1965979 pages RAM [ 698.125328] fallback_alloc+0x1fd/0x2d0 [ 698.130676] 0 pages HighMem/MovableOnly [ 698.130684] 341723 pages reserved [ 698.136226] ____cache_alloc_node+0x1be/0x1e0 [ 698.139385] 0 pages cma reserved [ 698.139454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 698.144146] kmem_cache_alloc_node+0xe3/0x710 [ 698.147193] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 698.150241] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 698.154283] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 698.158261] __alloc_skb+0xd5/0x5f0 [ 698.205813] ? skb_trim+0x190/0x190 [ 698.209440] ? kasan_check_read+0x11/0x20 [ 698.213595] ndisc_alloc_skb+0x13c/0x340 [ 698.217659] ndisc_send_rs+0x35f/0x6e0 [ 698.221549] addrconf_rs_timer+0x30f/0x680 [ 698.225783] ? ipv6_get_lladdr+0x490/0x490 [ 698.230023] call_timer_fn+0x18d/0x720 [ 698.233923] ? ipv6_get_lladdr+0x490/0x490 [ 698.238151] ? process_timeout+0x40/0x40 [ 698.242203] ? run_timer_softirq+0x644/0x16a0 [ 698.246712] ? trace_hardirqs_on+0x67/0x220 [ 698.251165] ? ipv6_get_lladdr+0x490/0x490 [ 698.255420] run_timer_softirq+0x64f/0x16a0 [ 698.259761] ? add_timer+0xbe0/0xbe0 [ 698.263481] ? __lock_is_held+0xb6/0x140 [ 698.267584] __do_softirq+0x25c/0x921 [ 698.271404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.276955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.282523] irq_exit+0x180/0x1d0 [ 698.285977] smp_apic_timer_interrupt+0x13b/0x550 [ 698.290818] apic_timer_interrupt+0xf/0x20 [ 698.295038] [ 698.297280] RIP: 0010:smp_call_function_single+0x139/0x420 [ 698.302909] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 698.321820] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 698.329547] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 698.336829] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 698.344144] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 698.351413] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 698.358684] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 698.365968] ? smp_call_function_single+0x14c/0x420 [ 698.370976] ? smp_call_function_single+0x137/0x420 [ 698.376079] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 698.381879] ? generic_exec_single+0x490/0x490 [ 698.386454] ? __lock_acquire+0x6ee/0x49c0 [ 698.390679] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 698.396472] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 698.401481] ? find_next_and_bit+0x19a/0x200 [ 698.405926] smp_call_function_many+0x75f/0x8e0 [ 698.410629] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 698.416466] native_flush_tlb_others+0x81/0x420 [ 698.421138] flush_tlb_mm_range+0x21c/0x350 [ 698.425546] ? native_flush_tlb_others+0x420/0x420 [ 698.430494] ? lock_acquire+0x16f/0x3f0 [ 698.434468] ? kasan_check_write+0x14/0x20 [ 698.438700] flush_tlb_batched_pending+0x6e/0xb0 [ 698.443448] unmap_page_range+0x8b5/0x1fb0 [ 698.447692] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 698.452443] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.457976] ? kasan_check_write+0x14/0x20 [ 698.462220] __oom_reap_task_mm+0x1fb/0x3a0 [ 698.466539] ? process_shares_mm+0x130/0x130 [ 698.470941] ? oom_reaper+0x12c/0x1160 [ 698.474845] ? __lock_is_held+0xb6/0x140 [ 698.478908] oom_reaper+0x246/0x1160 [ 698.482644] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 698.487162] ? trace_hardirqs_on+0x67/0x220 [ 698.491527] ? finish_wait+0x260/0x260 [ 698.495436] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 698.500564] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.506108] ? __kthread_parkme+0xfb/0x1b0 [ 698.510339] kthread+0x354/0x420 [ 698.513726] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 698.518224] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 698.523770] ret_from_fork+0x24/0x30 [ 698.527495] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 698.527571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 698.535287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 698.535295] Call Trace: [ 698.541845] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 698.551371] [ 698.553935] oom_reaper cpuset=/ mems_allowed=0-1 [ 698.564154] dump_stack+0x197/0x210 [ 698.574661] warn_alloc.cold+0x7b/0x173 [ 698.578633] ? zone_watermark_ok_safe+0x260/0x260 [ 698.583486] ? __cpuset_node_allowed+0x136/0x540 [ 698.588264] ? __isolate_free_page+0x4c0/0x4c0 [ 698.592861] ? wake_all_kswapds+0x14d/0x300 [ 698.597710] __alloc_pages_slowpath+0x2214/0x2870 [ 698.602575] ? warn_alloc+0x110/0x110 [ 698.606378] ? __lock_acquire+0x6ee/0x49c0 [ 698.610617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 698.616149] ? should_fail+0x14d/0x85c [ 698.620034] ? __isolate_free_page+0x4c0/0x4c0 [ 698.624614] __alloc_pages_nodemask+0x617/0x750 [ 698.629279] ? __alloc_pages_slowpath+0x2870/0x2870 [ 698.634312] ? find_held_lock+0x35/0x130 [ 698.638399] cache_grow_begin+0x91/0x8c0 [ 698.642560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.648111] ? __cpuset_node_allowed+0x136/0x540 [ 698.652875] fallback_alloc+0x1fd/0x2d0 [ 698.656867] ____cache_alloc_node+0x1be/0x1e0 [ 698.661370] kmem_cache_alloc_node+0xe3/0x710 [ 698.665867] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 698.670112] __alloc_skb+0xd5/0x5f0 [ 698.673736] ? skb_trim+0x190/0x190 [ 698.677360] ? kasan_check_read+0x11/0x20 [ 698.681510] ndisc_alloc_skb+0x13c/0x340 [ 698.685572] ndisc_send_rs+0x35f/0x6e0 [ 698.689461] addrconf_rs_timer+0x30f/0x680 [ 698.693696] ? ipv6_get_lladdr+0x490/0x490 [ 698.697961] call_timer_fn+0x18d/0x720 [ 698.702371] ? ipv6_get_lladdr+0x490/0x490 [ 698.706607] ? process_timeout+0x40/0x40 [ 698.710666] ? run_timer_softirq+0x644/0x16a0 [ 698.715162] ? trace_hardirqs_on+0x67/0x220 [ 698.719492] ? ipv6_get_lladdr+0x490/0x490 [ 698.724413] run_timer_softirq+0x64f/0x16a0 [ 698.728733] ? add_timer+0xbe0/0xbe0 [ 698.732444] ? __lock_is_held+0xb6/0x140 [ 698.736857] __do_softirq+0x25c/0x921 [ 698.740671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.746203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.751741] irq_exit+0x180/0x1d0 [ 698.755194] smp_apic_timer_interrupt+0x13b/0x550 [ 698.760036] apic_timer_interrupt+0xf/0x20 [ 698.764260] [ 698.766492] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 698.771434] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 698.790416] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 698.798125] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 698.805390] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 698.812651] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 698.819911] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 698.827954] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 698.835246] skb_clone+0x156/0x3e0 [ 698.838787] bpf_clone_redirect+0xb2/0x480 [ 698.843175] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 698.848190] ? 0xffffffff81000000 [ 698.851648] ? mark_held_locks+0x100/0x100 [ 698.855892] ? trace_hardirqs_on_caller+0x6a/0x220 [ 698.860841] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 698.865608] ? bpf_test_run+0x146/0x430 [ 698.869597] ? find_held_lock+0x35/0x130 [ 698.873659] ? bpf_test_run+0x146/0x430 [ 698.877723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 698.883256] ? check_preemption_disabled+0x48/0x290 [ 698.888264] ? lock_acquire+0x16f/0x3f0 [ 698.892231] ? kasan_check_read+0x11/0x20 [ 698.896372] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 698.901555] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.907091] bpf_test_run+0x10d/0x430 [ 698.910892] bpf_prog_test_run_skb+0x64b/0xb20 [ 698.915472] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 698.920305] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 698.925832] ? fput+0x128/0x1a0 [ 698.929117] ? __bpf_prog_get+0x97/0x290 [ 698.933174] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 698.938026] bpf_prog_test_run+0x129/0x1a0 [ 698.942253] __x64_sys_bpf+0x397/0x4c0 [ 698.946131] ? bpf_prog_get+0x20/0x20 [ 698.949931] ? do_syscall_64+0x26/0x620 [ 698.953900] ? lockdep_hardirqs_on+0x415/0x5d0 [ 698.958476] ? trace_hardirqs_on+0x67/0x220 [ 698.962799] do_syscall_64+0xfd/0x620 [ 698.966595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 698.972033] RIP: 0033:0x45af49 [ 698.975240] Code: Bad RIP value. [ 698.978594] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 698.986311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 698.993569] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 699.000831] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 699.008231] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 699.015519] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 699.023757] warn_alloc_show_mem: 1 callbacks suppressed [ 699.023767] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 699.023769] Mem-Info: [ 699.023798] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 699.023798] active_file:13 inactive_file:11 isolated_file:0 [ 699.023798] unevictable:0 dirty:0 writeback:0 unstable:0 [ 699.023798] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 699.023798] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 699.023798] free:10923 free_pcp:135 free_cma:0 [ 699.029150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 699.029158] Call Trace: [ 699.036532] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 699.038930] [ 699.071990] Node 1 active_anon:1432kB 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 [ 699.081334] dump_stack+0x197/0x210 [ 699.083887] Node 0 DMA free:10256kB 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 [ 699.111325] warn_alloc.cold+0x7b/0x173 [ 699.113448] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 699.139468] ? zone_watermark_ok_safe+0x260/0x260 [ 699.143067] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 699.169173] ? __cpuset_node_allowed+0x136/0x540 [ 699.173115] lowmem_reserve[]: 0 0 1 1 1 [ 699.178172] ? __isolate_free_page+0x4c0/0x4c0 [ 699.182991] 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 [ 699.211610] ? wake_all_kswapds+0x14d/0x300 [ 699.216331] lowmem_reserve[]: 0 0 0 0 0 [ 699.220309] __alloc_pages_slowpath+0x2214/0x2870 [ 699.224856] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 699.250714] ? warn_alloc+0x110/0x110 [ 699.254998] lowmem_reserve[]: 0 0 0 0 0 [ 699.259057] ? __lock_acquire+0x6ee/0x49c0 [ 699.263876] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 699.292346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.296130] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 699.300100] ? should_fail+0x14d/0x85c [ 699.304307] 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 [ 699.316093] ? __isolate_free_page+0x4c0/0x4c0 [ 699.321597] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 699.336361] __alloc_pages_nodemask+0x617/0x750 [ 699.340240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 699.350913] ? __alloc_pages_slowpath+0x2870/0x2870 [ 699.355492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 699.370597] ? find_held_lock+0x35/0x130 [ 699.375239] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 699.384063] cache_grow_begin+0x91/0x8c0 [ 699.389055] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 699.397929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.401971] 269 total pagecache pages [ 699.410808] ? __cpuset_node_allowed+0x136/0x540 [ 699.415889] 0 pages in swap cache [ 699.424460] fallback_alloc+0x1fd/0x2d0 [ 699.429967] Swap cache stats: add 0, delete 0, find 0/0 [ 699.429975] Free swap = 0kB [ 699.433773] ____cache_alloc_node+0x1be/0x1e0 [ 699.438495] Total swap = 0kB [ 699.438505] 1965979 pages RAM [ 699.441948] kmem_cache_alloc_node+0xe3/0x710 [ 699.445906] 0 pages HighMem/MovableOnly [ 699.451256] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 699.454247] 341723 pages reserved [ 699.458740] __alloc_skb+0xd5/0x5f0 [ 699.461724] 0 pages cma reserved [ 699.464823] ? skb_trim+0x190/0x190 [ 699.469355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 699.473248] ? kasan_check_read+0x11/0x20 [ 699.473271] ndisc_alloc_skb+0x13c/0x340 [ 699.477531] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 699.480926] ndisc_send_rs+0x35f/0x6e0 [ 699.484527] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 699.487902] addrconf_rs_timer+0x30f/0x680 [ 699.530207] ? ipv6_get_lladdr+0x490/0x490 [ 699.534442] call_timer_fn+0x18d/0x720 [ 699.538323] ? ipv6_get_lladdr+0x490/0x490 [ 699.542550] ? process_timeout+0x40/0x40 [ 699.546603] ? run_timer_softirq+0x644/0x16a0 [ 699.551168] ? trace_hardirqs_on+0x67/0x220 [ 699.555516] ? ipv6_get_lladdr+0x490/0x490 [ 699.559776] run_timer_softirq+0x64f/0x16a0 [ 699.564117] ? add_timer+0xbe0/0xbe0 [ 699.567837] ? __lock_is_held+0xb6/0x140 [ 699.572948] __do_softirq+0x25c/0x921 [ 699.576744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.582361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.587900] irq_exit+0x180/0x1d0 [ 699.591349] smp_apic_timer_interrupt+0x13b/0x550 [ 699.596190] apic_timer_interrupt+0xf/0x20 [ 699.600411] [ 699.602655] RIP: 0010:smp_call_function_single+0x139/0x420 [ 699.608277] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 699.627170] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 699.634882] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 699.642143] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 699.649403] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 699.656661] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 699.663931] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 699.671214] ? smp_call_function_single+0x14c/0x420 [ 699.676225] ? smp_call_function_single+0x137/0x420 [ 699.681241] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 699.687036] ? generic_exec_single+0x490/0x490 [ 699.691622] ? __lock_acquire+0x6ee/0x49c0 [ 699.695852] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 699.701642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 699.706650] ? find_next_and_bit+0x19a/0x200 [ 699.711057] smp_call_function_many+0x75f/0x8e0 [ 699.715738] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 699.721546] native_flush_tlb_others+0x81/0x420 [ 699.726299] flush_tlb_mm_range+0x21c/0x350 [ 699.730670] ? native_flush_tlb_others+0x420/0x420 [ 699.735605] ? lock_acquire+0x16f/0x3f0 [ 699.739600] ? kasan_check_write+0x14/0x20 [ 699.743924] flush_tlb_batched_pending+0x6e/0xb0 [ 699.748686] unmap_page_range+0x8b5/0x1fb0 [ 699.752932] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 699.757432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 699.762967] ? kasan_check_write+0x14/0x20 [ 699.767199] __oom_reap_task_mm+0x1fb/0x3a0 [ 699.771517] ? process_shares_mm+0x130/0x130 [ 699.775929] ? oom_reaper+0x12c/0x1160 [ 699.779827] ? __lock_is_held+0xb6/0x140 [ 699.783888] oom_reaper+0x246/0x1160 [ 699.787620] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 699.792109] ? trace_hardirqs_on+0x67/0x220 [ 699.796422] ? finish_wait+0x260/0x260 [ 699.800304] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 699.805402] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 699.810940] ? __kthread_parkme+0xfb/0x1b0 [ 699.815172] kthread+0x354/0x420 [ 699.818531] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 699.823019] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 699.828559] ret_from_fork+0x24/0x30 [ 699.832290] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 699.832359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 699.840083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 699.840088] Call Trace: [ 699.840093] [ 699.840109] dump_stack+0x197/0x210 [ 699.840126] warn_alloc.cold+0x7b/0x173 [ 699.846652] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 699.855956] ? zone_watermark_ok_safe+0x260/0x260 [ 699.858514] oom_reaper cpuset=/ mems_allowed=0-1 [ 699.860670] ? __cpuset_node_allowed+0x136/0x540 [ 699.892761] ? __isolate_free_page+0x4c0/0x4c0 [ 699.897337] ? wake_all_kswapds+0x14d/0x300 [ 699.901663] __alloc_pages_slowpath+0x2214/0x2870 [ 699.906514] ? warn_alloc+0x110/0x110 [ 699.910320] ? __lock_acquire+0x6ee/0x49c0 [ 699.914557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 699.920127] ? should_fail+0x14d/0x85c [ 699.924149] ? __isolate_free_page+0x4c0/0x4c0 [ 699.928781] __alloc_pages_nodemask+0x617/0x750 [ 699.933467] ? __alloc_pages_slowpath+0x2870/0x2870 [ 699.938485] ? find_held_lock+0x35/0x130 [ 699.942557] cache_grow_begin+0x91/0x8c0 [ 699.946612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 699.952137] ? __cpuset_node_allowed+0x136/0x540 [ 699.956884] fallback_alloc+0x1fd/0x2d0 [ 699.960862] ____cache_alloc_node+0x1be/0x1e0 [ 699.965350] kmem_cache_alloc_node+0xe3/0x710 [ 699.969839] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 699.974071] __alloc_skb+0xd5/0x5f0 [ 699.977872] ? skb_trim+0x190/0x190 [ 699.981490] ? kasan_check_read+0x11/0x20 [ 699.985638] ndisc_alloc_skb+0x13c/0x340 [ 699.989699] ndisc_send_rs+0x35f/0x6e0 [ 699.994290] addrconf_rs_timer+0x30f/0x680 [ 699.998522] ? ipv6_get_lladdr+0x490/0x490 [ 700.002764] call_timer_fn+0x18d/0x720 [ 700.006640] ? ipv6_get_lladdr+0x490/0x490 [ 700.010866] ? process_timeout+0x40/0x40 [ 700.014916] ? run_timer_softirq+0x644/0x16a0 [ 700.019422] ? trace_hardirqs_on+0x67/0x220 [ 700.023739] ? ipv6_get_lladdr+0x490/0x490 [ 700.027964] run_timer_softirq+0x64f/0x16a0 [ 700.032291] ? add_timer+0xbe0/0xbe0 [ 700.036034] ? __lock_is_held+0xb6/0x140 [ 700.040105] __do_softirq+0x25c/0x921 [ 700.043905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.049430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.054969] irq_exit+0x180/0x1d0 [ 700.058418] smp_apic_timer_interrupt+0x13b/0x550 [ 700.063256] apic_timer_interrupt+0xf/0x20 [ 700.067478] [ 700.069727] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 700.075369] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 700.094285] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 700.102001] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 700.109262] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 700.116541] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 700.123813] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 700.131082] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 700.138378] skb_clone+0x156/0x3e0 [ 700.141916] bpf_clone_redirect+0xb2/0x480 [ 700.146168] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 700.151183] ? 0xffffffff81000000 [ 700.155168] ? mark_held_locks+0x100/0x100 [ 700.159404] ? trace_hardirqs_on_caller+0x6a/0x220 [ 700.164769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 700.169529] ? bpf_test_run+0x146/0x430 [ 700.173507] ? find_held_lock+0x35/0x130 [ 700.177563] ? bpf_test_run+0x146/0x430 [ 700.181553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.187099] ? check_preemption_disabled+0x48/0x290 [ 700.192111] ? lock_acquire+0x16f/0x3f0 [ 700.196084] ? kasan_check_read+0x11/0x20 [ 700.200226] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 700.205409] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 700.210949] bpf_test_run+0x10d/0x430 [ 700.214766] bpf_prog_test_run_skb+0x64b/0xb20 [ 700.219361] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 700.224198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 700.229741] ? fput+0x128/0x1a0 [ 700.233026] ? __bpf_prog_get+0x97/0x290 [ 700.237080] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 700.241936] bpf_prog_test_run+0x129/0x1a0 [ 700.246184] __x64_sys_bpf+0x397/0x4c0 [ 700.250071] ? bpf_prog_get+0x20/0x20 [ 700.253947] ? do_syscall_64+0x26/0x620 [ 700.257925] ? lockdep_hardirqs_on+0x415/0x5d0 [ 700.262531] ? trace_hardirqs_on+0x67/0x220 [ 700.266856] do_syscall_64+0xfd/0x620 [ 700.270676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 700.275945] RIP: 0033:0x45af49 [ 700.279151] Code: Bad RIP value. [ 700.282501] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 700.290203] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 700.297462] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 700.304735] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 700.312004] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 700.319278] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 700.326561] warn_alloc_show_mem: 1 callbacks suppressed [ 700.326571] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 700.326573] Mem-Info: [ 700.326602] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 700.326602] active_file:13 inactive_file:11 isolated_file:0 [ 700.326602] unevictable:0 dirty:0 writeback:0 unstable:0 [ 700.326602] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 700.326602] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 700.326602] free:10923 free_pcp:135 free_cma:0 [ 700.331933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 700.331941] Call Trace: [ 700.339327] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 700.341737] [ 700.374792] Node 1 active_anon:1432kB 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 [ 700.384129] dump_stack+0x197/0x210 [ 700.386682] Node 0 DMA free:10256kB 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 [ 700.415173] warn_alloc.cold+0x7b/0x173 [ 700.417309] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 700.443351] ? zone_watermark_ok_safe+0x260/0x260 [ 700.446952] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 700.473206] ? __cpuset_node_allowed+0x136/0x540 [ 700.477183] lowmem_reserve[]: 0 0 1 1 1 [ 700.482216] ? __isolate_free_page+0x4c0/0x4c0 [ 700.487027] 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 [ 700.515688] ? wake_all_kswapds+0x14d/0x300 [ 700.520418] lowmem_reserve[]: 0 0 0 0 0 [ 700.524392] __alloc_pages_slowpath+0x2214/0x2870 [ 700.529029] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 700.554806] ? warn_alloc+0x110/0x110 [ 700.559084] lowmem_reserve[]: 0 0 0 0 0 [ 700.563063] ? __lock_acquire+0x6ee/0x49c0 [ 700.567889] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 700.595923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 700.599707] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 700.603686] ? should_fail+0x14d/0x85c [ 700.607909] 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 [ 700.619694] ? __isolate_free_page+0x4c0/0x4c0 [ 700.625239] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 700.640017] __alloc_pages_nodemask+0x617/0x750 [ 700.643889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 700.654540] ? __alloc_pages_slowpath+0x2870/0x2870 [ 700.659109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 700.659123] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 700.674229] ? find_held_lock+0x35/0x130 [ 700.678880] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 700.687730] cache_grow_begin+0x91/0x8c0 [ 700.692723] 269 total pagecache pages [ 700.701304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.710133] 0 pages in swap cache [ 700.714185] ? __cpuset_node_allowed+0x136/0x540 [ 700.722773] Swap cache stats: add 0, delete 0, find 0/0 [ 700.722781] Free swap = 0kB [ 700.726848] fallback_alloc+0x1fd/0x2d0 [ 700.730624] Total swap = 0kB [ 700.737635] ____cache_alloc_node+0x1be/0x1e0 [ 700.741074] 1965979 pages RAM [ 700.745836] kmem_cache_alloc_node+0xe3/0x710 [ 700.751185] 0 pages HighMem/MovableOnly [ 700.751193] 341723 pages reserved [ 700.754215] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 700.758158] 0 pages cma reserved [ 700.758226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 700.761188] __alloc_skb+0xd5/0x5f0 [ 700.765703] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 700.768766] ? skb_trim+0x190/0x190 [ 700.773248] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 700.777222] ? kasan_check_read+0x11/0x20 [ 700.777247] ndisc_alloc_skb+0x13c/0x340 [ 700.827677] ndisc_send_rs+0x35f/0x6e0 [ 700.831707] addrconf_rs_timer+0x30f/0x680 [ 700.835954] ? ipv6_get_lladdr+0x490/0x490 [ 700.840219] call_timer_fn+0x18d/0x720 [ 700.844131] ? ipv6_get_lladdr+0x490/0x490 [ 700.848366] ? process_timeout+0x40/0x40 [ 700.852424] ? run_timer_softirq+0x644/0x16a0 [ 700.856920] ? trace_hardirqs_on+0x67/0x220 [ 700.861238] ? ipv6_get_lladdr+0x490/0x490 [ 700.865579] run_timer_softirq+0x64f/0x16a0 [ 700.869930] ? add_timer+0xbe0/0xbe0 [ 700.873654] ? __lock_is_held+0xb6/0x140 [ 700.877721] __do_softirq+0x25c/0x921 [ 700.881516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.887058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 700.892611] irq_exit+0x180/0x1d0 [ 700.896059] smp_apic_timer_interrupt+0x13b/0x550 [ 700.900899] apic_timer_interrupt+0xf/0x20 [ 700.905140] [ 700.907377] RIP: 0010:smp_call_function_single+0x139/0x420 [ 700.912998] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 700.931900] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 700.939602] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 700.946877] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 700.954138] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 700.961400] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 700.968665] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 700.975942] ? smp_call_function_single+0x14c/0x420 [ 700.980969] ? smp_call_function_single+0x137/0x420 [ 700.986006] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 700.991797] ? generic_exec_single+0x490/0x490 [ 700.996394] ? __lock_acquire+0x6ee/0x49c0 [ 701.000634] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 701.006447] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 701.011465] ? find_next_and_bit+0x19a/0x200 [ 701.015881] smp_call_function_many+0x75f/0x8e0 [ 701.020548] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 701.028254] native_flush_tlb_others+0x81/0x420 [ 701.032919] flush_tlb_mm_range+0x21c/0x350 [ 701.037237] ? native_flush_tlb_others+0x420/0x420 [ 701.042161] ? lock_acquire+0x16f/0x3f0 [ 701.046134] ? kasan_check_write+0x14/0x20 [ 701.050374] flush_tlb_batched_pending+0x6e/0xb0 [ 701.055132] unmap_page_range+0x8b5/0x1fb0 [ 701.059398] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 701.063892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.069433] ? kasan_check_write+0x14/0x20 [ 701.073682] __oom_reap_task_mm+0x1fb/0x3a0 [ 701.078017] ? process_shares_mm+0x130/0x130 [ 701.082423] ? oom_reaper+0x12c/0x1160 [ 701.086310] ? __lock_is_held+0xb6/0x140 [ 701.090374] oom_reaper+0x246/0x1160 [ 701.094087] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 701.098592] ? trace_hardirqs_on+0x67/0x220 [ 701.102909] ? finish_wait+0x260/0x260 [ 701.106795] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 701.111890] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.117424] ? __kthread_parkme+0xfb/0x1b0 [ 701.121656] kthread+0x354/0x420 [ 701.125026] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 701.129554] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 701.135116] ret_from_fork+0x24/0x30 [ 701.138932] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 701.139003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 701.146750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.146760] Call Trace: [ 701.153357] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 701.162604] [ 701.165173] oom_reaper cpuset=/ mems_allowed=0-1 [ 701.175409] dump_stack+0x197/0x210 [ 701.185899] warn_alloc.cold+0x7b/0x173 [ 701.189869] ? zone_watermark_ok_safe+0x260/0x260 [ 701.194709] ? __cpuset_node_allowed+0x136/0x540 [ 701.199467] ? __isolate_free_page+0x4c0/0x4c0 [ 701.204231] ? wake_all_kswapds+0x14d/0x300 [ 701.208736] __alloc_pages_slowpath+0x2214/0x2870 [ 701.213587] ? warn_alloc+0x110/0x110 [ 701.217380] ? __lock_acquire+0x6ee/0x49c0 [ 701.221606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.227136] ? should_fail+0x14d/0x85c [ 701.231021] ? __isolate_free_page+0x4c0/0x4c0 [ 701.235602] __alloc_pages_nodemask+0x617/0x750 [ 701.240268] ? __alloc_pages_slowpath+0x2870/0x2870 [ 701.245283] ? find_held_lock+0x35/0x130 [ 701.249341] cache_grow_begin+0x91/0x8c0 [ 701.253396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.258926] ? __cpuset_node_allowed+0x136/0x540 [ 701.263676] fallback_alloc+0x1fd/0x2d0 [ 701.267648] ____cache_alloc_node+0x1be/0x1e0 [ 701.272139] kmem_cache_alloc_node+0xe3/0x710 [ 701.276627] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 701.280893] __alloc_skb+0xd5/0x5f0 [ 701.284515] ? skb_trim+0x190/0x190 [ 701.288133] ? kasan_check_read+0x11/0x20 [ 701.292290] ndisc_alloc_skb+0x13c/0x340 [ 701.296366] ndisc_send_rs+0x35f/0x6e0 [ 701.300262] addrconf_rs_timer+0x30f/0x680 [ 701.304493] ? ipv6_get_lladdr+0x490/0x490 [ 701.308727] call_timer_fn+0x18d/0x720 [ 701.312712] ? ipv6_get_lladdr+0x490/0x490 [ 701.316956] ? process_timeout+0x40/0x40 [ 701.321010] ? run_timer_softirq+0x644/0x16a0 [ 701.325508] ? trace_hardirqs_on+0x67/0x220 [ 701.329850] ? ipv6_get_lladdr+0x490/0x490 [ 701.334084] run_timer_softirq+0x64f/0x16a0 [ 701.338434] ? add_timer+0xbe0/0xbe0 [ 701.342168] ? __lock_is_held+0xb6/0x140 [ 701.346236] __do_softirq+0x25c/0x921 [ 701.350041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.355584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.361139] irq_exit+0x180/0x1d0 [ 701.364724] smp_apic_timer_interrupt+0x13b/0x550 [ 701.369564] apic_timer_interrupt+0xf/0x20 [ 701.373787] [ 701.376019] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 701.380943] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 701.400096] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 701.407883] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 701.415144] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 701.422418] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 701.429693] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 701.436953] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 701.444240] skb_clone+0x156/0x3e0 [ 701.447782] bpf_clone_redirect+0xb2/0x480 [ 701.452014] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 701.457023] ? 0xffffffff81000000 [ 701.460480] ? mark_held_locks+0x100/0x100 [ 701.464706] ? trace_hardirqs_on_caller+0x6a/0x220 [ 701.469633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 701.474385] ? bpf_test_run+0x146/0x430 [ 701.478354] ? find_held_lock+0x35/0x130 [ 701.482432] ? bpf_test_run+0x146/0x430 [ 701.486408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.491939] ? check_preemption_disabled+0x48/0x290 [ 701.496949] ? lock_acquire+0x16f/0x3f0 [ 701.500939] ? kasan_check_read+0x11/0x20 [ 701.505096] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 701.510313] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.515867] bpf_test_run+0x10d/0x430 [ 701.519677] bpf_prog_test_run_skb+0x64b/0xb20 [ 701.524263] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 701.529133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 701.534694] ? fput+0x128/0x1a0 [ 701.537993] ? __bpf_prog_get+0x97/0x290 [ 701.542055] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 701.546903] bpf_prog_test_run+0x129/0x1a0 [ 701.551144] __x64_sys_bpf+0x397/0x4c0 [ 701.555031] ? bpf_prog_get+0x20/0x20 [ 701.558834] ? do_syscall_64+0x26/0x620 [ 701.562891] ? lockdep_hardirqs_on+0x415/0x5d0 [ 701.567495] ? trace_hardirqs_on+0x67/0x220 [ 701.571841] do_syscall_64+0xfd/0x620 [ 701.575639] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.580819] RIP: 0033:0x45af49 [ 701.584015] Code: Bad RIP value. [ 701.587389] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 701.595091] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 701.602351] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 701.609698] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 701.617132] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 701.624392] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 701.631674] warn_alloc_show_mem: 1 callbacks suppressed [ 701.631684] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 701.631686] Mem-Info: [ 701.631715] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 701.631715] active_file:13 inactive_file:11 isolated_file:0 [ 701.631715] unevictable:0 dirty:0 writeback:0 unstable:0 [ 701.631715] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 701.631715] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 701.631715] free:10923 free_pcp:135 free_cma:0 [ 701.637061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.644423] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 701.646821] Call Trace: [ 701.680011] Node 1 active_anon:1432kB 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 [ 701.689341] [ 701.716768] Node 0 DMA free:10256kB 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 [ 701.719361] dump_stack+0x197/0x210 [ 701.745404] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 701.747561] warn_alloc.cold+0x7b/0x173 [ 701.773642] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 701.777268] ? zone_watermark_ok_safe+0x260/0x260 [ 701.782260] lowmem_reserve[]: 0 0 1 1 1 [ 701.786246] ? __cpuset_node_allowed+0x136/0x540 [ 701.814848] 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 [ 701.819706] ? __isolate_free_page+0x4c0/0x4c0 [ 701.823653] lowmem_reserve[]: 0 0 0 0 0 [ 701.828411] ? wake_all_kswapds+0x14d/0x300 [ 701.855735] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 701.860319] __alloc_pages_slowpath+0x2214/0x2870 [ 701.864254] lowmem_reserve[]: 0 0 0 0 0 [ 701.868591] ? warn_alloc+0x110/0x110 [ 701.896401] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 701.901244] ? __lock_acquire+0x6ee/0x49c0 [ 701.905204] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 701.909015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.920770] 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 [ 701.925011] ? should_fail+0x14d/0x85c [ 701.939733] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 701.945289] ? __isolate_free_page+0x4c0/0x4c0 [ 701.955940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 701.959834] __alloc_pages_nodemask+0x617/0x750 [ 701.974898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 701.974911] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 701.979506] ? __alloc_pages_slowpath+0x2870/0x2870 [ 701.988317] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 701.992977] ? find_held_lock+0x35/0x130 [ 702.001534] 269 total pagecache pages [ 702.010374] cache_grow_begin+0x91/0x8c0 [ 702.015380] 0 pages in swap cache [ 702.023953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.028004] Swap cache stats: add 0, delete 0, find 0/0 [ 702.031804] ? __cpuset_node_allowed+0x136/0x540 [ 702.035853] Free swap = 0kB [ 702.039298] fallback_alloc+0x1fd/0x2d0 [ 702.044803] Total swap = 0kB [ 702.044811] 1965979 pages RAM [ 702.050170] ____cache_alloc_node+0x1be/0x1e0 [ 702.054893] 0 pages HighMem/MovableOnly [ 702.054901] 341723 pages reserved [ 702.057922] kmem_cache_alloc_node+0xe3/0x710 [ 702.061876] 0 pages cma reserved [ 702.061955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 702.065104] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 702.068601] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 702.072839] __alloc_skb+0xd5/0x5f0 [ 702.076802] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 702.080253] ? skb_trim+0x190/0x190 [ 702.121881] ? kasan_check_read+0x11/0x20 [ 702.126030] ndisc_alloc_skb+0x13c/0x340 [ 702.130088] ndisc_send_rs+0x35f/0x6e0 [ 702.133975] addrconf_rs_timer+0x30f/0x680 [ 702.138206] ? ipv6_get_lladdr+0x490/0x490 [ 702.142439] call_timer_fn+0x18d/0x720 [ 702.146316] ? ipv6_get_lladdr+0x490/0x490 [ 702.150541] ? process_timeout+0x40/0x40 [ 702.154593] ? run_timer_softirq+0x644/0x16a0 [ 702.159083] ? trace_hardirqs_on+0x67/0x220 [ 702.163402] ? ipv6_get_lladdr+0x490/0x490 [ 702.167631] run_timer_softirq+0x64f/0x16a0 [ 702.171950] ? add_timer+0xbe0/0xbe0 [ 702.175660] ? __lock_is_held+0xb6/0x140 [ 702.179747] __do_softirq+0x25c/0x921 [ 702.183539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.189065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.194602] irq_exit+0x180/0x1d0 [ 702.198050] smp_apic_timer_interrupt+0x13b/0x550 [ 702.202911] apic_timer_interrupt+0xf/0x20 [ 702.207138] [ 702.209490] RIP: 0010:smp_call_function_single+0x139/0x420 [ 702.215116] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 702.234017] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 702.241721] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 702.248999] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 702.256260] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 702.263518] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 702.270776] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 702.278056] ? smp_call_function_single+0x14c/0x420 [ 702.283084] ? smp_call_function_single+0x137/0x420 [ 702.288101] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 702.293907] ? generic_exec_single+0x490/0x490 [ 702.298482] ? __lock_acquire+0x6ee/0x49c0 [ 702.302708] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 702.308499] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 702.313506] ? find_next_and_bit+0x19a/0x200 [ 702.317914] smp_call_function_many+0x75f/0x8e0 [ 702.322578] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 702.328380] native_flush_tlb_others+0x81/0x420 [ 702.333149] flush_tlb_mm_range+0x21c/0x350 [ 702.337483] ? native_flush_tlb_others+0x420/0x420 [ 702.342418] ? lock_acquire+0x16f/0x3f0 [ 702.346416] ? kasan_check_write+0x14/0x20 [ 702.350655] flush_tlb_batched_pending+0x6e/0xb0 [ 702.355410] unmap_page_range+0x8b5/0x1fb0 [ 702.359656] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 702.364145] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.369764] ? kasan_check_write+0x14/0x20 [ 702.373995] __oom_reap_task_mm+0x1fb/0x3a0 [ 702.378312] ? process_shares_mm+0x130/0x130 [ 702.382717] ? oom_reaper+0x12c/0x1160 [ 702.386603] ? __lock_is_held+0xb6/0x140 [ 702.390664] oom_reaper+0x246/0x1160 [ 702.394378] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 702.398866] ? trace_hardirqs_on+0x67/0x220 [ 702.403184] ? finish_wait+0x260/0x260 [ 702.407067] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 702.412162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.417691] ? __kthread_parkme+0xfb/0x1b0 [ 702.422008] kthread+0x354/0x420 [ 702.425367] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 702.429855] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 702.435404] ret_from_fork+0x24/0x30 [ 702.439131] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 702.439195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 702.447121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.447129] Call Trace: [ 702.453805] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 702.463062] [ 702.465631] oom_reaper cpuset=/ mems_allowed=0-1 [ 702.475864] dump_stack+0x197/0x210 [ 702.486378] warn_alloc.cold+0x7b/0x173 [ 702.490351] ? zone_watermark_ok_safe+0x260/0x260 [ 702.495189] ? __cpuset_node_allowed+0x136/0x540 [ 702.499965] ? __isolate_free_page+0x4c0/0x4c0 [ 702.504560] ? wake_all_kswapds+0x14d/0x300 [ 702.508907] __alloc_pages_slowpath+0x2214/0x2870 [ 702.513767] ? warn_alloc+0x110/0x110 [ 702.517571] ? __lock_acquire+0x6ee/0x49c0 [ 702.521804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.527343] ? should_fail+0x14d/0x85c [ 702.531262] ? __isolate_free_page+0x4c0/0x4c0 [ 702.535846] __alloc_pages_nodemask+0x617/0x750 [ 702.540606] ? __alloc_pages_slowpath+0x2870/0x2870 [ 702.545622] ? find_held_lock+0x35/0x130 [ 702.549682] cache_grow_begin+0x91/0x8c0 [ 702.553736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.559284] ? __cpuset_node_allowed+0x136/0x540 [ 702.564122] fallback_alloc+0x1fd/0x2d0 [ 702.568093] ____cache_alloc_node+0x1be/0x1e0 [ 702.572614] kmem_cache_alloc_node+0xe3/0x710 [ 702.577136] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 702.581503] __alloc_skb+0xd5/0x5f0 [ 702.585150] ? skb_trim+0x190/0x190 [ 702.588791] ? kasan_check_read+0x11/0x20 [ 702.592969] ndisc_alloc_skb+0x13c/0x340 [ 702.597129] ndisc_send_rs+0x35f/0x6e0 [ 702.601066] addrconf_rs_timer+0x30f/0x680 [ 702.605320] ? ipv6_get_lladdr+0x490/0x490 [ 702.609572] call_timer_fn+0x18d/0x720 [ 702.613466] ? ipv6_get_lladdr+0x490/0x490 [ 702.617701] ? process_timeout+0x40/0x40 [ 702.621756] ? run_timer_softirq+0x644/0x16a0 [ 702.626251] ? trace_hardirqs_on+0x67/0x220 [ 702.630571] ? ipv6_get_lladdr+0x490/0x490 [ 702.634798] run_timer_softirq+0x64f/0x16a0 [ 702.639120] ? add_timer+0xbe0/0xbe0 [ 702.644479] ? __lock_is_held+0xb6/0x140 [ 702.648546] __do_softirq+0x25c/0x921 [ 702.652361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.657916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.663475] irq_exit+0x180/0x1d0 [ 702.666947] smp_apic_timer_interrupt+0x13b/0x550 [ 702.671785] apic_timer_interrupt+0xf/0x20 [ 702.676013] [ 702.678244] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 702.683170] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 702.702064] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 702.709790] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 702.717048] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 702.724324] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 702.731585] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 702.739369] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 702.746662] skb_clone+0x156/0x3e0 [ 702.750217] bpf_clone_redirect+0xb2/0x480 [ 702.754449] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 702.759481] ? 0xffffffff81000000 [ 702.762957] ? mark_held_locks+0x100/0x100 [ 702.767330] ? trace_hardirqs_on_caller+0x6a/0x220 [ 702.772269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 702.777041] ? bpf_test_run+0x146/0x430 [ 702.781051] ? find_held_lock+0x35/0x130 [ 702.785110] ? bpf_test_run+0x146/0x430 [ 702.789085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.794612] ? check_preemption_disabled+0x48/0x290 [ 702.799643] ? lock_acquire+0x16f/0x3f0 [ 702.803626] ? kasan_check_read+0x11/0x20 [ 702.807804] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 702.813078] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.818605] bpf_test_run+0x10d/0x430 [ 702.822427] bpf_prog_test_run_skb+0x64b/0xb20 [ 702.827025] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 702.831896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.837433] ? fput+0x128/0x1a0 [ 702.840723] ? __bpf_prog_get+0x97/0x290 [ 702.844782] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 702.849616] bpf_prog_test_run+0x129/0x1a0 [ 702.853854] __x64_sys_bpf+0x397/0x4c0 [ 702.857737] ? bpf_prog_get+0x20/0x20 [ 702.861554] ? do_syscall_64+0x26/0x620 [ 702.865597] ? lockdep_hardirqs_on+0x415/0x5d0 [ 702.870174] ? trace_hardirqs_on+0x67/0x220 [ 702.874493] do_syscall_64+0xfd/0x620 [ 702.878289] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 702.883486] RIP: 0033:0x45af49 [ 702.886683] Code: Bad RIP value. [ 702.890037] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 702.897736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 702.905690] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 702.912963] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 702.920230] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 702.927515] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 702.934790] warn_alloc_show_mem: 1 callbacks suppressed [ 702.934799] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 702.934801] Mem-Info: [ 702.934830] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 702.934830] active_file:13 inactive_file:11 isolated_file:0 [ 702.934830] unevictable:0 dirty:0 writeback:0 unstable:0 [ 702.934830] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 702.934830] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 702.934830] free:10923 free_pcp:135 free_cma:0 [ 702.940193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.947556] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 702.949958] Call Trace: [ 702.983109] Node 1 active_anon:1432kB 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 [ 702.992447] [ 703.019842] Node 0 DMA free:10256kB 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 [ 703.022426] dump_stack+0x197/0x210 [ 703.048411] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 703.050565] warn_alloc.cold+0x7b/0x173 [ 703.076656] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 703.080276] ? zone_watermark_ok_safe+0x260/0x260 [ 703.085260] lowmem_reserve[]: 0 0 1 1 1 [ 703.089226] ? __cpuset_node_allowed+0x136/0x540 [ 703.117925] 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 [ 703.122796] ? __isolate_free_page+0x4c0/0x4c0 [ 703.126730] lowmem_reserve[]: 0 0 0 0 0 [ 703.131511] ? wake_all_kswapds+0x14d/0x300 [ 703.157600] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 703.162198] __alloc_pages_slowpath+0x2214/0x2870 [ 703.166130] lowmem_reserve[]: 0 0 0 0 0 [ 703.170571] ? warn_alloc+0x110/0x110 [ 703.198478] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 703.203318] ? __lock_acquire+0x6ee/0x49c0 [ 703.207266] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 703.211066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.222853] 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 [ 703.227103] ? should_fail+0x14d/0x85c [ 703.241813] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 703.247351] ? __isolate_free_page+0x4c0/0x4c0 [ 703.258003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 703.261885] __alloc_pages_nodemask+0x617/0x750 [ 703.277089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 703.281680] ? __alloc_pages_slowpath+0x2870/0x2870 [ 703.290630] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 703.295312] ? find_held_lock+0x35/0x130 [ 703.303857] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 703.308861] cache_grow_begin+0x91/0x8c0 [ 703.317681] 269 total pagecache pages [ 703.321769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.330407] 0 pages in swap cache [ 703.334478] ? __cpuset_node_allowed+0x136/0x540 [ 703.338298] Swap cache stats: add 0, delete 0, find 0/0 [ 703.343833] fallback_alloc+0x1fd/0x2d0 [ 703.347267] Free swap = 0kB [ 703.352017] ____cache_alloc_node+0x1be/0x1e0 [ 703.357345] Total swap = 0kB [ 703.357355] 1965979 pages RAM [ 703.361425] kmem_cache_alloc+0x1f3/0x700 [ 703.364506] 0 pages HighMem/MovableOnly [ 703.369008] ? mark_held_locks+0xb1/0x100 [ 703.372085] 341723 pages reserved [ 703.372092] 0 pages cma reserved [ 703.375210] ? __netdev_alloc_skb+0x370/0x470 [ 703.379466] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 703.384121] __build_skb+0x3e/0x310 [ 703.388327] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 703.391710] __netdev_alloc_skb+0x2ba/0x470 [ 703.395053] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 703.399556] send_hsr_supervision_frame+0x110/0xf30 [ 703.434872] ? lock_acquire+0x16f/0x3f0 [ 703.438847] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 703.443862] hsr_announce+0x12f/0x3b0 [ 703.447656] call_timer_fn+0x18d/0x720 [ 703.451537] ? send_hsr_supervision_frame+0xf30/0xf30 [ 703.456718] ? process_timeout+0x40/0x40 [ 703.460770] ? run_timer_softirq+0x644/0x16a0 [ 703.465274] ? trace_hardirqs_on+0x67/0x220 [ 703.469594] ? send_hsr_supervision_frame+0xf30/0xf30 [ 703.474777] run_timer_softirq+0x64f/0x16a0 [ 703.479095] ? add_timer+0xbe0/0xbe0 [ 703.482888] ? __lock_is_held+0xb6/0x140 [ 703.486970] __do_softirq+0x25c/0x921 [ 703.490788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.496332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.501889] irq_exit+0x180/0x1d0 [ 703.505342] smp_apic_timer_interrupt+0x13b/0x550 [ 703.510180] apic_timer_interrupt+0xf/0x20 [ 703.514404] [ 703.516634] RIP: 0010:smp_call_function_single+0x139/0x420 [ 703.522267] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 703.541158] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 703.548861] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 703.556123] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 703.563658] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 703.570919] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 703.578191] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 703.585489] ? smp_call_function_single+0x14c/0x420 [ 703.590514] ? smp_call_function_single+0x137/0x420 [ 703.595543] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 703.601337] ? generic_exec_single+0x490/0x490 [ 703.605913] ? __lock_acquire+0x6ee/0x49c0 [ 703.610141] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 703.615936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 703.620962] ? find_next_and_bit+0x19a/0x200 [ 703.625387] smp_call_function_many+0x75f/0x8e0 [ 703.630053] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 703.635848] native_flush_tlb_others+0x81/0x420 [ 703.640688] flush_tlb_mm_range+0x21c/0x350 [ 703.645012] ? native_flush_tlb_others+0x420/0x420 [ 703.650481] ? lock_acquire+0x16f/0x3f0 [ 703.654505] ? kasan_check_write+0x14/0x20 [ 703.658849] flush_tlb_batched_pending+0x6e/0xb0 [ 703.663609] unmap_page_range+0x8b5/0x1fb0 [ 703.667993] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 703.672492] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 703.678118] ? kasan_check_write+0x14/0x20 [ 703.682466] __oom_reap_task_mm+0x1fb/0x3a0 [ 703.686789] ? process_shares_mm+0x130/0x130 [ 703.691286] ? oom_reaper+0x12c/0x1160 [ 703.695198] ? __lock_is_held+0xb6/0x140 [ 703.699262] oom_reaper+0x246/0x1160 [ 703.702985] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 703.707475] ? trace_hardirqs_on+0x67/0x220 [ 703.711806] ? finish_wait+0x260/0x260 [ 703.715690] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 703.720787] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 703.726328] ? __kthread_parkme+0xfb/0x1b0 [ 703.730560] kthread+0x354/0x420 [ 703.733918] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 703.738432] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 703.743963] ret_from_fork+0x24/0x30 [ 703.747699] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 703.747805] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 703.755506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.765975] oom_reaper cpuset=/ mems_allowed=0-1 [ 703.775327] Call Trace: [ 703.775335] [ 703.784895] dump_stack+0x197/0x210 [ 703.788539] warn_alloc.cold+0x7b/0x173 [ 703.792508] ? zone_watermark_ok_safe+0x260/0x260 [ 703.797370] ? __cpuset_node_allowed+0x136/0x540 [ 703.803781] ? __isolate_free_page+0x4c0/0x4c0 [ 703.808360] ? wake_all_kswapds+0x14d/0x300 [ 703.812682] __alloc_pages_slowpath+0x2214/0x2870 [ 703.817534] ? warn_alloc+0x110/0x110 [ 703.821330] ? __lock_acquire+0x6ee/0x49c0 [ 703.825685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.831270] ? should_fail+0x14d/0x85c [ 703.835184] ? __isolate_free_page+0x4c0/0x4c0 [ 703.839774] __alloc_pages_nodemask+0x617/0x750 [ 703.844452] ? __alloc_pages_slowpath+0x2870/0x2870 [ 703.849563] ? find_held_lock+0x35/0x130 [ 703.853626] cache_grow_begin+0x91/0x8c0 [ 703.857685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.863239] ? __cpuset_node_allowed+0x136/0x540 [ 703.868163] fallback_alloc+0x1fd/0x2d0 [ 703.872142] ____cache_alloc_node+0x1be/0x1e0 [ 703.881160] kmem_cache_alloc_node+0xe3/0x710 [ 703.885650] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 703.889886] __alloc_skb+0xd5/0x5f0 [ 703.893509] ? skb_trim+0x190/0x190 [ 703.897223] ? kasan_check_read+0x11/0x20 [ 703.901373] ndisc_alloc_skb+0x13c/0x340 [ 703.905450] ndisc_send_rs+0x35f/0x6e0 [ 703.909334] addrconf_rs_timer+0x30f/0x680 [ 703.913562] ? ipv6_get_lladdr+0x490/0x490 [ 703.917796] call_timer_fn+0x18d/0x720 [ 703.921675] ? ipv6_get_lladdr+0x490/0x490 [ 703.925909] ? process_timeout+0x40/0x40 [ 703.929976] ? run_timer_softirq+0x644/0x16a0 [ 703.934470] ? trace_hardirqs_on+0x67/0x220 [ 703.938813] ? ipv6_get_lladdr+0x490/0x490 [ 703.943045] run_timer_softirq+0x64f/0x16a0 [ 703.947368] ? add_timer+0xbe0/0xbe0 [ 703.951255] ? __lock_is_held+0xb6/0x140 [ 703.955338] __do_softirq+0x25c/0x921 [ 703.959132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.964662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.970216] irq_exit+0x180/0x1d0 [ 703.973664] smp_apic_timer_interrupt+0x13b/0x550 [ 703.978508] apic_timer_interrupt+0xf/0x20 [ 703.982730] [ 703.984958] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 703.989880] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 704.008771] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 704.016470] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 704.023731] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 704.030993] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 704.038252] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 704.045516] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 704.052804] skb_clone+0x156/0x3e0 [ 704.056346] bpf_clone_redirect+0xb2/0x480 [ 704.060587] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 704.065615] ? 0xffffffff81000000 [ 704.069077] ? mark_held_locks+0x100/0x100 [ 704.073310] ? trace_hardirqs_on_caller+0x6a/0x220 [ 704.078330] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 704.083082] ? bpf_test_run+0x146/0x430 [ 704.087049] ? find_held_lock+0x35/0x130 [ 704.091125] ? bpf_test_run+0x146/0x430 [ 704.095099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.100627] ? check_preemption_disabled+0x48/0x290 [ 704.105636] ? lock_acquire+0x16f/0x3f0 [ 704.109605] ? kasan_check_read+0x11/0x20 [ 704.113748] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 704.118931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.124839] bpf_test_run+0x10d/0x430 [ 704.128641] bpf_prog_test_run_skb+0x64b/0xb20 [ 704.133228] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 704.138064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.143596] ? fput+0x128/0x1a0 [ 704.146867] ? __bpf_prog_get+0x97/0x290 [ 704.150920] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 704.155779] bpf_prog_test_run+0x129/0x1a0 [ 704.160010] __x64_sys_bpf+0x397/0x4c0 [ 704.163902] ? bpf_prog_get+0x20/0x20 [ 704.167719] ? do_syscall_64+0x26/0x620 [ 704.171688] ? lockdep_hardirqs_on+0x415/0x5d0 [ 704.176275] ? trace_hardirqs_on+0x67/0x220 [ 704.180594] do_syscall_64+0xfd/0x620 [ 704.184393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.189571] RIP: 0033:0x45af49 [ 704.192773] Code: Bad RIP value. [ 704.196169] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 704.203889] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 704.211200] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 704.218466] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 704.225728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 704.233093] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 704.240374] warn_alloc_show_mem: 1 callbacks suppressed [ 704.240384] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 704.240386] Mem-Info: [ 704.240415] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 704.240415] active_file:13 inactive_file:11 isolated_file:0 [ 704.240415] unevictable:0 dirty:0 writeback:0 unstable:0 [ 704.240415] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 704.240415] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 704.240415] free:10923 free_pcp:135 free_cma:0 [ 704.245750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.245762] Call Trace: [ 704.253139] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 704.255530] [ 704.288846] Node 1 active_anon:1432kB 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 [ 704.298181] dump_stack+0x197/0x210 [ 704.300736] Node 0 DMA free:10256kB 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 [ 704.329184] warn_alloc.cold+0x7b/0x173 [ 704.331325] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 704.357489] ? zone_watermark_ok_safe+0x260/0x260 [ 704.361126] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 704.387740] ? __cpuset_node_allowed+0x136/0x540 [ 704.391698] lowmem_reserve[]: 0 0 1 1 1 [ 704.396716] ? __isolate_free_page+0x4c0/0x4c0 [ 704.401526] 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 [ 704.430152] ? wake_all_kswapds+0x14d/0x300 [ 704.434900] lowmem_reserve[]: 0 0 0 0 0 [ 704.438893] __alloc_pages_slowpath+0x2214/0x2870 [ 704.443444] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 704.469230] ? warn_alloc+0x110/0x110 [ 704.473509] lowmem_reserve[]: 0 0 0 0 0 [ 704.477494] ? __lock_acquire+0x6ee/0x49c0 [ 704.482324] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 704.510300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.514103] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 704.518084] ? should_fail+0x14d/0x85c [ 704.522291] 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 [ 704.534080] ? __isolate_free_page+0x4c0/0x4c0 [ 704.539587] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 704.554334] __alloc_pages_nodemask+0x617/0x750 [ 704.558209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 704.568962] ? __alloc_pages_slowpath+0x2870/0x2870 [ 704.573514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 704.573527] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 704.588606] ? find_held_lock+0x35/0x130 [ 704.593249] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 704.602073] cache_grow_begin+0x91/0x8c0 [ 704.607065] 269 total pagecache pages [ 704.615632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.624448] 0 pages in swap cache [ 704.628497] ? __cpuset_node_allowed+0x136/0x540 [ 704.637057] Swap cache stats: add 0, delete 0, find 0/0 [ 704.637065] Free swap = 0kB [ 704.641120] fallback_alloc+0x1fd/0x2d0 [ 704.644888] Total swap = 0kB [ 704.644897] 1965979 pages RAM [ 704.650431] ____cache_alloc_node+0x1be/0x1e0 [ 704.653857] 0 pages HighMem/MovableOnly [ 704.658785] kmem_cache_alloc+0x1f3/0x700 [ 704.664132] 341723 pages reserved [ 704.664140] 0 pages cma reserved [ 704.667165] ? mark_held_locks+0xb1/0x100 [ 704.671182] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 704.674136] ? __netdev_alloc_skb+0x370/0x470 [ 704.677262] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 704.681701] __build_skb+0x3e/0x310 [ 704.685664] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 704.689818] __netdev_alloc_skb+0x2ba/0x470 [ 704.735678] send_hsr_supervision_frame+0x110/0xf30 [ 704.740704] ? lock_acquire+0x16f/0x3f0 [ 704.744678] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 704.749720] hsr_announce+0x12f/0x3b0 [ 704.754479] call_timer_fn+0x18d/0x720 [ 704.758377] ? send_hsr_supervision_frame+0xf30/0xf30 [ 704.763579] ? process_timeout+0x40/0x40 [ 704.767670] ? run_timer_softirq+0x644/0x16a0 [ 704.772163] ? trace_hardirqs_on+0x67/0x220 [ 704.776497] ? send_hsr_supervision_frame+0xf30/0xf30 [ 704.781679] run_timer_softirq+0x64f/0x16a0 [ 704.785997] ? add_timer+0xbe0/0xbe0 [ 704.789708] ? __lock_is_held+0xb6/0x140 [ 704.793773] __do_softirq+0x25c/0x921 [ 704.797580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.803109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.808650] irq_exit+0x180/0x1d0 [ 704.812099] smp_apic_timer_interrupt+0x13b/0x550 [ 704.816935] apic_timer_interrupt+0xf/0x20 [ 704.821158] [ 704.823388] RIP: 0010:smp_call_function_single+0x139/0x420 [ 704.829006] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 704.847914] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 704.855616] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 704.862894] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 704.870415] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 704.877679] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 704.884940] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 704.892264] ? smp_call_function_single+0x14c/0x420 [ 704.897300] ? smp_call_function_single+0x137/0x420 [ 704.902341] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 704.908143] ? generic_exec_single+0x490/0x490 [ 704.912728] ? __lock_acquire+0x6ee/0x49c0 [ 704.916962] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 704.922757] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 704.927769] ? find_next_and_bit+0x19a/0x200 [ 704.932179] smp_call_function_many+0x75f/0x8e0 [ 704.936842] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 704.942652] native_flush_tlb_others+0x81/0x420 [ 704.947318] flush_tlb_mm_range+0x21c/0x350 [ 704.951632] ? native_flush_tlb_others+0x420/0x420 [ 704.956557] ? lock_acquire+0x16f/0x3f0 [ 704.960530] ? kasan_check_write+0x14/0x20 [ 704.964764] flush_tlb_batched_pending+0x6e/0xb0 [ 704.969517] unmap_page_range+0x8b5/0x1fb0 [ 704.973845] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 704.978371] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.983903] ? kasan_check_write+0x14/0x20 [ 704.988134] __oom_reap_task_mm+0x1fb/0x3a0 [ 704.992472] ? process_shares_mm+0x130/0x130 [ 704.997484] ? oom_reaper+0x12c/0x1160 [ 705.001374] ? __lock_is_held+0xb6/0x140 [ 705.005442] oom_reaper+0x246/0x1160 [ 705.009417] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 705.014440] ? trace_hardirqs_on+0x67/0x220 [ 705.018842] ? finish_wait+0x260/0x260 [ 705.022729] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 705.027834] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.033362] ? __kthread_parkme+0xfb/0x1b0 [ 705.037592] kthread+0x354/0x420 [ 705.040951] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 705.045462] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 705.050995] ret_from_fork+0x24/0x30 [ 705.054722] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 705.054832] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 705.062535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.072761] oom_reaper cpuset=/ mems_allowed=0-1 [ 705.082116] Call Trace: [ 705.089423] [ 705.091579] dump_stack+0x197/0x210 [ 705.095207] warn_alloc.cold+0x7b/0x173 [ 705.099178] ? zone_watermark_ok_safe+0x260/0x260 [ 705.104020] ? __cpuset_node_allowed+0x136/0x540 [ 705.108775] ? __isolate_free_page+0x4c0/0x4c0 [ 705.113359] ? wake_all_kswapds+0x14d/0x300 [ 705.117682] __alloc_pages_slowpath+0x2214/0x2870 [ 705.122623] ? warn_alloc+0x110/0x110 [ 705.126416] ? __lock_acquire+0x6ee/0x49c0 [ 705.130643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.136176] ? should_fail+0x14d/0x85c [ 705.140220] ? __isolate_free_page+0x4c0/0x4c0 [ 705.144817] __alloc_pages_nodemask+0x617/0x750 [ 705.149486] ? __alloc_pages_slowpath+0x2870/0x2870 [ 705.154501] ? find_held_lock+0x35/0x130 [ 705.158558] cache_grow_begin+0x91/0x8c0 [ 705.162612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.168161] ? __cpuset_node_allowed+0x136/0x540 [ 705.172915] fallback_alloc+0x1fd/0x2d0 [ 705.176987] ____cache_alloc_node+0x1be/0x1e0 [ 705.181476] kmem_cache_alloc_node+0xe3/0x710 [ 705.185963] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 705.190210] __alloc_skb+0xd5/0x5f0 [ 705.193830] ? skb_trim+0x190/0x190 [ 705.197447] ? kasan_check_read+0x11/0x20 [ 705.201598] ndisc_alloc_skb+0x13c/0x340 [ 705.205653] ndisc_send_rs+0x35f/0x6e0 [ 705.209536] addrconf_rs_timer+0x30f/0x680 [ 705.213765] ? ipv6_get_lladdr+0x490/0x490 [ 705.218018] call_timer_fn+0x18d/0x720 [ 705.221898] ? ipv6_get_lladdr+0x490/0x490 [ 705.226124] ? process_timeout+0x40/0x40 [ 705.230180] ? run_timer_softirq+0x644/0x16a0 [ 705.234690] ? trace_hardirqs_on+0x67/0x220 [ 705.239011] ? ipv6_get_lladdr+0x490/0x490 [ 705.243238] run_timer_softirq+0x64f/0x16a0 [ 705.247559] ? add_timer+0xbe0/0xbe0 [ 705.251268] ? __lock_is_held+0xb6/0x140 [ 705.255336] __do_softirq+0x25c/0x921 [ 705.259131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.264700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.270264] irq_exit+0x180/0x1d0 [ 705.273722] smp_apic_timer_interrupt+0x13b/0x550 [ 705.278592] apic_timer_interrupt+0xf/0x20 [ 705.282836] [ 705.285076] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 705.290004] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 705.309196] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 705.316897] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 705.324253] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 705.331530] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 705.338802] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 705.346154] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 705.353458] skb_clone+0x156/0x3e0 [ 705.357018] bpf_clone_redirect+0xb2/0x480 [ 705.361251] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 705.366261] ? 0xffffffff81000000 [ 705.369713] ? mark_held_locks+0x100/0x100 [ 705.374000] ? trace_hardirqs_on_caller+0x6a/0x220 [ 705.378947] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 705.383719] ? bpf_test_run+0x146/0x430 [ 705.387690] ? find_held_lock+0x35/0x130 [ 705.391759] ? bpf_test_run+0x146/0x430 [ 705.395742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.401289] ? check_preemption_disabled+0x48/0x290 [ 705.406314] ? lock_acquire+0x16f/0x3f0 [ 705.410283] ? kasan_check_read+0x11/0x20 [ 705.414509] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 705.419692] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.425243] bpf_test_run+0x10d/0x430 [ 705.429068] bpf_prog_test_run_skb+0x64b/0xb20 [ 705.433652] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 705.438496] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.444038] ? fput+0x128/0x1a0 [ 705.447312] ? __bpf_prog_get+0x97/0x290 [ 705.451365] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 705.456204] bpf_prog_test_run+0x129/0x1a0 [ 705.460434] __x64_sys_bpf+0x397/0x4c0 [ 705.464314] ? bpf_prog_get+0x20/0x20 [ 705.468112] ? do_syscall_64+0x26/0x620 [ 705.472352] ? lockdep_hardirqs_on+0x415/0x5d0 [ 705.476928] ? trace_hardirqs_on+0x67/0x220 [ 705.481766] do_syscall_64+0xfd/0x620 [ 705.485564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.490757] RIP: 0033:0x45af49 [ 705.493971] Code: Bad RIP value. [ 705.497326] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 705.505058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 705.512349] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 705.519618] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 705.526878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 705.534138] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 705.541421] warn_alloc_show_mem: 1 callbacks suppressed [ 705.541431] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 705.541433] Mem-Info: [ 705.541463] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 705.541463] active_file:13 inactive_file:11 isolated_file:0 [ 705.541463] unevictable:0 dirty:0 writeback:0 unstable:0 [ 705.541463] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 705.541463] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 705.541463] free:10923 free_pcp:135 free_cma:0 [ 705.546803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.554166] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 705.556558] Call Trace: [ 705.593780] Node 1 active_anon:1432kB 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 [ 705.603104] [ 705.630515] Node 0 DMA free:10256kB 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 [ 705.633121] dump_stack+0x197/0x210 [ 705.659034] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 705.661211] warn_alloc.cold+0x7b/0x173 [ 705.687296] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 705.690925] ? zone_watermark_ok_safe+0x260/0x260 [ 705.695907] lowmem_reserve[]: 0 0 1 1 1 [ 705.699884] ? __cpuset_node_allowed+0x136/0x540 [ 705.728666] 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 [ 705.733520] ? __isolate_free_page+0x4c0/0x4c0 [ 705.737459] lowmem_reserve[]: 0 0 0 0 0 [ 705.742225] ? wake_all_kswapds+0x14d/0x300 [ 705.767974] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 705.772559] __alloc_pages_slowpath+0x2214/0x2870 [ 705.776594] lowmem_reserve[]: 0 0 0 0 0 [ 705.780949] ? warn_alloc+0x110/0x110 [ 705.809562] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 705.814598] ? __lock_acquire+0x6ee/0x49c0 [ 705.818566] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 705.822367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.834138] 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 [ 705.838395] ? should_fail+0x14d/0x85c [ 705.853450] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 705.858989] ? __isolate_free_page+0x4c0/0x4c0 [ 705.876672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 705.880557] __alloc_pages_nodemask+0x617/0x750 [ 705.895614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 705.895626] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 705.900224] ? __alloc_pages_slowpath+0x2870/0x2870 [ 705.909032] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 705.909040] 269 total pagecache pages [ 705.913709] ? find_held_lock+0x35/0x130 [ 705.922274] 0 pages in swap cache [ 705.931113] cache_grow_begin+0x91/0x8c0 [ 705.936100] Swap cache stats: add 0, delete 0, find 0/0 [ 705.936109] Free swap = 0kB [ 705.944938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.948711] Total swap = 0kB [ 705.952780] ? __cpuset_node_allowed+0x136/0x540 [ 705.956235] 1965979 pages RAM [ 705.960308] fallback_alloc+0x1fd/0x2d0 [ 705.965799] 0 pages HighMem/MovableOnly [ 705.968851] ____cache_alloc_node+0x1be/0x1e0 [ 705.974348] 341723 pages reserved [ 705.974356] 0 pages cma reserved [ 705.977383] kmem_cache_alloc+0x1f3/0x700 [ 705.982203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 705.985222] ? mark_held_locks+0xb1/0x100 [ 705.985238] ? __netdev_alloc_skb+0x370/0x470 [ 705.989264] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 705.993157] __build_skb+0x3e/0x310 [ 705.997637] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 706.001090] __netdev_alloc_skb+0x2ba/0x470 [ 706.047557] send_hsr_supervision_frame+0x110/0xf30 [ 706.052568] ? lock_acquire+0x16f/0x3f0 [ 706.056539] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 706.061552] hsr_announce+0x12f/0x3b0 [ 706.065631] call_timer_fn+0x18d/0x720 [ 706.069522] ? send_hsr_supervision_frame+0xf30/0xf30 [ 706.074712] ? process_timeout+0x40/0x40 [ 706.078786] ? run_timer_softirq+0x644/0x16a0 [ 706.083279] ? trace_hardirqs_on+0x67/0x220 [ 706.087597] ? send_hsr_supervision_frame+0xf30/0xf30 [ 706.092778] run_timer_softirq+0x64f/0x16a0 [ 706.097102] ? add_timer+0xbe0/0xbe0 [ 706.100814] ? __lock_is_held+0xb6/0x140 [ 706.104877] __do_softirq+0x25c/0x921 [ 706.108670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.114197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.119765] irq_exit+0x180/0x1d0 [ 706.123238] smp_apic_timer_interrupt+0x13b/0x550 [ 706.128123] apic_timer_interrupt+0xf/0x20 [ 706.132351] [ 706.134587] RIP: 0010:smp_call_function_single+0x139/0x420 [ 706.140241] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 706.159147] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 706.166855] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 706.174115] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 706.181376] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 706.188637] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 706.195898] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 706.203181] ? smp_call_function_single+0x14c/0x420 [ 706.208189] ? smp_call_function_single+0x137/0x420 [ 706.213207] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 706.219003] ? generic_exec_single+0x490/0x490 [ 706.223576] ? __lock_acquire+0x6ee/0x49c0 [ 706.227808] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 706.233601] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 706.238608] ? find_next_and_bit+0x19a/0x200 [ 706.243034] smp_call_function_many+0x75f/0x8e0 [ 706.247712] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 706.253509] native_flush_tlb_others+0x81/0x420 [ 706.258173] flush_tlb_mm_range+0x21c/0x350 [ 706.262486] ? native_flush_tlb_others+0x420/0x420 [ 706.267500] ? lock_acquire+0x16f/0x3f0 [ 706.271646] ? kasan_check_write+0x14/0x20 [ 706.275876] flush_tlb_batched_pending+0x6e/0xb0 [ 706.280625] unmap_page_range+0x8b5/0x1fb0 [ 706.284870] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 706.289612] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.295420] ? kasan_check_write+0x14/0x20 [ 706.299929] __oom_reap_task_mm+0x1fb/0x3a0 [ 706.304247] ? process_shares_mm+0x130/0x130 [ 706.308651] ? oom_reaper+0x12c/0x1160 [ 706.313279] ? __lock_is_held+0xb6/0x140 [ 706.317480] oom_reaper+0x246/0x1160 [ 706.321206] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 706.325706] ? trace_hardirqs_on+0x67/0x220 [ 706.330643] ? finish_wait+0x260/0x260 [ 706.334531] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 706.339630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.345319] ? __kthread_parkme+0xfb/0x1b0 [ 706.349566] kthread+0x354/0x420 [ 706.352957] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 706.357476] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 706.363021] ret_from_fork+0x24/0x30 [ 706.366751] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 706.366901] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 706.374555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.374563] Call Trace: [ 706.384773] oom_reaper cpuset=/ mems_allowed=0-1 [ 706.394126] [ 706.403569] dump_stack+0x197/0x210 [ 706.407202] warn_alloc.cold+0x7b/0x173 [ 706.411173] ? zone_watermark_ok_safe+0x260/0x260 [ 706.416012] ? __cpuset_node_allowed+0x136/0x540 [ 706.420770] ? __isolate_free_page+0x4c0/0x4c0 [ 706.425345] ? wake_all_kswapds+0x14d/0x300 [ 706.429667] __alloc_pages_slowpath+0x2214/0x2870 [ 706.434522] ? warn_alloc+0x110/0x110 [ 706.438319] ? __lock_acquire+0x6ee/0x49c0 [ 706.442550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.448083] ? should_fail+0x14d/0x85c [ 706.451969] ? __isolate_free_page+0x4c0/0x4c0 [ 706.456560] __alloc_pages_nodemask+0x617/0x750 [ 706.461226] ? __alloc_pages_slowpath+0x2870/0x2870 [ 706.466258] ? find_held_lock+0x35/0x130 [ 706.470332] cache_grow_begin+0x91/0x8c0 [ 706.474390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.479917] ? __cpuset_node_allowed+0x136/0x540 [ 706.484667] fallback_alloc+0x1fd/0x2d0 [ 706.488661] ____cache_alloc_node+0x1be/0x1e0 [ 706.493287] kmem_cache_alloc_node+0xe3/0x710 [ 706.497800] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 706.502053] __alloc_skb+0xd5/0x5f0 [ 706.505708] ? skb_trim+0x190/0x190 [ 706.509336] ? kasan_check_read+0x11/0x20 [ 706.513600] ndisc_alloc_skb+0x13c/0x340 [ 706.517656] ndisc_send_rs+0x35f/0x6e0 [ 706.521555] addrconf_rs_timer+0x30f/0x680 [ 706.525785] ? ipv6_get_lladdr+0x490/0x490 [ 706.530035] call_timer_fn+0x18d/0x720 [ 706.533917] ? ipv6_get_lladdr+0x490/0x490 [ 706.538143] ? process_timeout+0x40/0x40 [ 706.542218] ? run_timer_softirq+0x644/0x16a0 [ 706.546724] ? trace_hardirqs_on+0x67/0x220 [ 706.551043] ? ipv6_get_lladdr+0x490/0x490 [ 706.555292] run_timer_softirq+0x64f/0x16a0 [ 706.559616] ? add_timer+0xbe0/0xbe0 [ 706.563356] ? __lock_is_held+0xb6/0x140 [ 706.567436] __do_softirq+0x25c/0x921 [ 706.571232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.576763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.582301] irq_exit+0x180/0x1d0 [ 706.585749] smp_apic_timer_interrupt+0x13b/0x550 [ 706.590589] apic_timer_interrupt+0xf/0x20 [ 706.594812] [ 706.597045] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 706.601983] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 706.620890] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 706.628588] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 706.635851] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 706.645458] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 706.652721] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 706.659981] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 706.667299] skb_clone+0x156/0x3e0 [ 706.670837] bpf_clone_redirect+0xb2/0x480 [ 706.675069] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 706.680080] ? 0xffffffff81000000 [ 706.683540] ? mark_held_locks+0x100/0x100 [ 706.687768] ? trace_hardirqs_on_caller+0x6a/0x220 [ 706.692717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 706.697471] ? bpf_test_run+0x146/0x430 [ 706.701441] ? find_held_lock+0x35/0x130 [ 706.705581] ? bpf_test_run+0x146/0x430 [ 706.709568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.717098] ? check_preemption_disabled+0x48/0x290 [ 706.722118] ? lock_acquire+0x16f/0x3f0 [ 706.726088] ? kasan_check_read+0x11/0x20 [ 706.730231] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 706.735432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.743567] bpf_test_run+0x10d/0x430 [ 706.747385] bpf_prog_test_run_skb+0x64b/0xb20 [ 706.751965] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 706.756801] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 706.762331] ? fput+0x128/0x1a0 [ 706.765601] ? __bpf_prog_get+0x97/0x290 [ 706.769653] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 706.774490] bpf_prog_test_run+0x129/0x1a0 [ 706.778720] __x64_sys_bpf+0x397/0x4c0 [ 706.782602] ? bpf_prog_get+0x20/0x20 [ 706.786399] ? do_syscall_64+0x26/0x620 [ 706.790380] ? lockdep_hardirqs_on+0x415/0x5d0 [ 706.794972] ? trace_hardirqs_on+0x67/0x220 [ 706.799289] do_syscall_64+0xfd/0x620 [ 706.803103] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.808287] RIP: 0033:0x45af49 [ 706.811483] Code: Bad RIP value. [ 706.814840] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 706.822544] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 706.829814] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 706.837094] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 706.844528] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 706.851919] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 706.859593] warn_alloc_show_mem: 1 callbacks suppressed [ 706.859604] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 706.859606] Mem-Info: [ 706.859652] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 706.859652] active_file:13 inactive_file:11 isolated_file:0 [ 706.859652] unevictable:0 dirty:0 writeback:0 unstable:0 [ 706.859652] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 706.859652] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 706.859652] free:10923 free_pcp:135 free_cma:0 [ 706.864988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.864997] Call Trace: [ 706.872549] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 706.872576] Node 1 active_anon:1432kB 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 [ 706.874984] [ 706.908046] Node 0 DMA free:10256kB 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 [ 706.917420] dump_stack+0x197/0x210 [ 706.919977] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 706.947400] warn_alloc.cold+0x7b/0x173 [ 706.973309] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 706.975459] ? zone_watermark_ok_safe+0x260/0x260 [ 707.001533] lowmem_reserve[]: 0 0 1 1 1 [ 707.005163] ? __cpuset_node_allowed+0x136/0x540 [ 707.010322] 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 [ 707.014296] ? __isolate_free_page+0x4c0/0x4c0 [ 707.043333] lowmem_reserve[]: 0 0 0 0 0 [ 707.048209] ? wake_all_kswapds+0x14d/0x300 [ 707.052153] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 707.056996] __alloc_pages_slowpath+0x2214/0x2870 [ 707.082742] lowmem_reserve[]: 0 0 0 0 0 [ 707.087356] ? warn_alloc+0x110/0x110 [ 707.091301] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 707.095621] ? __lock_acquire+0x6ee/0x49c0 [ 707.125006] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 707.129857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.134751] 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 [ 707.138555] ? should_fail+0x14d/0x85c [ 707.150330] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 707.154567] ? __isolate_free_page+0x4c0/0x4c0 [ 707.169281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 707.174819] __alloc_pages_nodemask+0x617/0x750 [ 707.185452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 707.189332] ? __alloc_pages_slowpath+0x2870/0x2870 [ 707.204389] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 707.204401] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 707.208978] ? find_held_lock+0x35/0x130 [ 707.217787] 269 total pagecache pages [ 707.222450] cache_grow_begin+0x91/0x8c0 [ 707.231274] 0 pages in swap cache [ 707.236303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.245123] Swap cache stats: add 0, delete 0, find 0/0 [ 707.245131] Free swap = 0kB [ 707.253704] ? __cpuset_node_allowed+0x136/0x540 [ 707.257739] Total swap = 0kB [ 707.261712] fallback_alloc+0x1fd/0x2d0 [ 707.265759] 1965979 pages RAM [ 707.269209] ____cache_alloc_node+0x1be/0x1e0 [ 707.274713] 0 pages HighMem/MovableOnly [ 707.274720] 341723 pages reserved [ 707.280290] kmem_cache_alloc_node+0xe3/0x710 [ 707.283281] 0 pages cma reserved [ 707.283351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 707.288040] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 707.288067] __alloc_skb+0xd5/0x5f0 [ 707.291108] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 707.295030] ? skb_trim+0x190/0x190 [ 707.298110] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 707.302600] ? kasan_check_read+0x11/0x20 [ 707.357298] ndisc_alloc_skb+0x13c/0x340 [ 707.361372] ndisc_send_rs+0x35f/0x6e0 [ 707.365257] addrconf_rs_timer+0x30f/0x680 [ 707.369489] ? ipv6_get_lladdr+0x490/0x490 [ 707.373736] call_timer_fn+0x18d/0x720 [ 707.377615] ? ipv6_get_lladdr+0x490/0x490 [ 707.382102] ? process_timeout+0x40/0x40 [ 707.386155] ? run_timer_softirq+0x644/0x16a0 [ 707.390646] ? trace_hardirqs_on+0x67/0x220 [ 707.394986] ? ipv6_get_lladdr+0x490/0x490 [ 707.399300] run_timer_softirq+0x64f/0x16a0 [ 707.403618] ? add_timer+0xbe0/0xbe0 [ 707.407329] ? __lock_is_held+0xb6/0x140 [ 707.411418] __do_softirq+0x25c/0x921 [ 707.415230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.420901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.426449] irq_exit+0x180/0x1d0 [ 707.429901] smp_apic_timer_interrupt+0x13b/0x550 [ 707.434753] apic_timer_interrupt+0xf/0x20 [ 707.438970] [ 707.441199] RIP: 0010:smp_call_function_single+0x139/0x420 [ 707.446822] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 707.465713] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 707.473435] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 707.480711] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 707.487985] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 707.495265] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 707.502544] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 707.509860] ? smp_call_function_single+0x14c/0x420 [ 707.514876] ? smp_call_function_single+0x137/0x420 [ 707.519895] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 707.525689] ? generic_exec_single+0x490/0x490 [ 707.530263] ? __lock_acquire+0x6ee/0x49c0 [ 707.534489] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 707.540277] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 707.545294] ? find_next_and_bit+0x19a/0x200 [ 707.549706] smp_call_function_many+0x75f/0x8e0 [ 707.554388] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 707.560216] native_flush_tlb_others+0x81/0x420 [ 707.565016] flush_tlb_mm_range+0x21c/0x350 [ 707.569331] ? native_flush_tlb_others+0x420/0x420 [ 707.574264] ? lock_acquire+0x16f/0x3f0 [ 707.578245] ? kasan_check_write+0x14/0x20 [ 707.582494] flush_tlb_batched_pending+0x6e/0xb0 [ 707.587249] unmap_page_range+0x8b5/0x1fb0 [ 707.591494] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 707.595999] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.601531] ? kasan_check_write+0x14/0x20 [ 707.605774] __oom_reap_task_mm+0x1fb/0x3a0 [ 707.610100] ? process_shares_mm+0x130/0x130 [ 707.614506] ? oom_reaper+0x12c/0x1160 [ 707.618392] ? __lock_is_held+0xb6/0x140 [ 707.622454] oom_reaper+0x246/0x1160 [ 707.626166] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 707.630652] ? trace_hardirqs_on+0x67/0x220 [ 707.634964] ? finish_wait+0x260/0x260 [ 707.638845] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 707.643941] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.649469] ? __kthread_parkme+0xfb/0x1b0 [ 707.653697] kthread+0x354/0x420 [ 707.657054] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 707.661539] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 707.667334] ret_from_fork+0x24/0x30 [ 707.671071] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 707.671133] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 707.680342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.680346] Call Trace: [ 707.680353] [ 707.680370] dump_stack+0x197/0x210 [ 707.680387] warn_alloc.cold+0x7b/0x173 [ 707.686903] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 707.696206] ? zone_watermark_ok_safe+0x260/0x260 [ 707.698759] oom_reaper cpuset=/ mems_allowed=0-1 [ 707.700900] ? __cpuset_node_allowed+0x136/0x540 [ 707.732979] ? __isolate_free_page+0x4c0/0x4c0 [ 707.737553] ? wake_all_kswapds+0x14d/0x300 [ 707.741888] __alloc_pages_slowpath+0x2214/0x2870 [ 707.746737] ? warn_alloc+0x110/0x110 [ 707.750532] ? __lock_acquire+0x6ee/0x49c0 [ 707.754773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.761100] ? should_fail+0x14d/0x85c [ 707.764983] ? __isolate_free_page+0x4c0/0x4c0 [ 707.769580] __alloc_pages_nodemask+0x617/0x750 [ 707.774278] ? __alloc_pages_slowpath+0x2870/0x2870 [ 707.779295] ? find_held_lock+0x35/0x130 [ 707.783349] cache_grow_begin+0x91/0x8c0 [ 707.787405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.792932] ? __cpuset_node_allowed+0x136/0x540 [ 707.797683] fallback_alloc+0x1fd/0x2d0 [ 707.801652] ____cache_alloc_node+0x1be/0x1e0 [ 707.806156] kmem_cache_alloc_node+0xe3/0x710 [ 707.810645] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 707.814881] __alloc_skb+0xd5/0x5f0 [ 707.818588] ? skb_trim+0x190/0x190 [ 707.822215] ? kasan_check_read+0x11/0x20 [ 707.826363] ndisc_alloc_skb+0x13c/0x340 [ 707.830429] ndisc_send_rs+0x35f/0x6e0 [ 707.834313] addrconf_rs_timer+0x30f/0x680 [ 707.838546] ? ipv6_get_lladdr+0x490/0x490 [ 707.842867] call_timer_fn+0x18d/0x720 [ 707.846745] ? ipv6_get_lladdr+0x490/0x490 [ 707.851317] ? process_timeout+0x40/0x40 [ 707.855373] ? run_timer_softirq+0x644/0x16a0 [ 707.859876] ? trace_hardirqs_on+0x67/0x220 [ 707.864203] ? ipv6_get_lladdr+0x490/0x490 [ 707.868429] run_timer_softirq+0x64f/0x16a0 [ 707.872745] ? add_timer+0xbe0/0xbe0 [ 707.876453] ? __lock_is_held+0xb6/0x140 [ 707.880557] __do_softirq+0x25c/0x921 [ 707.884360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.889887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.895424] irq_exit+0x180/0x1d0 [ 707.898886] smp_apic_timer_interrupt+0x13b/0x550 [ 707.903724] apic_timer_interrupt+0xf/0x20 [ 707.907946] [ 707.910191] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 707.915115] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 707.934283] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 707.941991] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 707.949360] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 707.956656] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 707.963937] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 707.971219] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 707.978523] skb_clone+0x156/0x3e0 [ 707.982070] bpf_clone_redirect+0xb2/0x480 [ 707.986320] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 707.991333] ? 0xffffffff81000000 [ 707.994796] ? mark_held_locks+0x100/0x100 [ 707.999023] ? trace_hardirqs_on_caller+0x6a/0x220 [ 708.003950] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 708.008699] ? bpf_test_run+0x146/0x430 [ 708.012665] ? find_held_lock+0x35/0x130 [ 708.016718] ? bpf_test_run+0x146/0x430 [ 708.020686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.026225] ? check_preemption_disabled+0x48/0x290 [ 708.031230] ? lock_acquire+0x16f/0x3f0 [ 708.035201] ? kasan_check_read+0x11/0x20 [ 708.039351] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 708.044544] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.050074] bpf_test_run+0x10d/0x430 [ 708.053875] bpf_prog_test_run_skb+0x64b/0xb20 [ 708.058458] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 708.064074] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.069606] ? fput+0x128/0x1a0 [ 708.072895] ? __bpf_prog_get+0x97/0x290 [ 708.076945] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 708.081781] bpf_prog_test_run+0x129/0x1a0 [ 708.086024] __x64_sys_bpf+0x397/0x4c0 [ 708.089901] ? bpf_prog_get+0x20/0x20 [ 708.093699] ? do_syscall_64+0x26/0x620 [ 708.097666] ? lockdep_hardirqs_on+0x415/0x5d0 [ 708.102259] ? trace_hardirqs_on+0x67/0x220 [ 708.106683] do_syscall_64+0xfd/0x620 [ 708.110528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.115739] RIP: 0033:0x45af49 [ 708.118937] Code: Bad RIP value. [ 708.122292] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 708.130001] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 708.137273] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 708.144532] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 708.151793] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 708.159055] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 708.166329] warn_alloc_show_mem: 1 callbacks suppressed [ 708.166339] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 708.166341] Mem-Info: [ 708.166370] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 708.166370] active_file:13 inactive_file:11 isolated_file:0 [ 708.166370] unevictable:0 dirty:0 writeback:0 unstable:0 [ 708.166370] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 708.166370] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 708.166370] free:10923 free_pcp:135 free_cma:0 [ 708.171715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.171723] Call Trace: [ 708.179520] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 708.181913] [ 708.214968] Node 1 active_anon:1432kB 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 [ 708.224387] dump_stack+0x197/0x210 [ 708.226940] Node 0 DMA free:10256kB 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 [ 708.254348] warn_alloc.cold+0x7b/0x173 [ 708.256470] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 708.282403] ? zone_watermark_ok_safe+0x260/0x260 [ 708.286001] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 708.312399] ? __cpuset_node_allowed+0x136/0x540 [ 708.316529] lowmem_reserve[]: 0 0 1 1 1 [ 708.321553] ? __isolate_free_page+0x4c0/0x4c0 [ 708.326373] 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 [ 708.355102] ? wake_all_kswapds+0x14d/0x300 [ 708.359835] lowmem_reserve[]: 0 0 0 0 0 [ 708.363816] __alloc_pages_slowpath+0x2214/0x2870 [ 708.368466] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 708.394264] ? warn_alloc+0x110/0x110 [ 708.398560] lowmem_reserve[]: 0 0 0 0 0 [ 708.402535] ? __lock_acquire+0x6ee/0x49c0 [ 708.407375] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 708.435225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.439008] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 708.443236] ? should_fail+0x14d/0x85c [ 708.447442] 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 [ 708.459225] ? __isolate_free_page+0x4c0/0x4c0 [ 708.464751] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 708.479492] __alloc_pages_nodemask+0x617/0x750 [ 708.483385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 708.494064] ? __alloc_pages_slowpath+0x2870/0x2870 [ 708.498643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 708.498659] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 708.513769] ? find_held_lock+0x35/0x130 [ 708.518414] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 708.518422] 269 total pagecache pages [ 708.527272] cache_grow_begin+0x91/0x8c0 [ 708.532274] 0 pages in swap cache [ 708.540852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.549769] Swap cache stats: add 0, delete 0, find 0/0 [ 708.553824] ? __cpuset_node_allowed+0x136/0x540 [ 708.562373] Free swap = 0kB [ 708.562382] Total swap = 0kB [ 708.566186] fallback_alloc+0x1fd/0x2d0 [ 708.570224] 1965979 pages RAM [ 708.573676] ____cache_alloc_node+0x1be/0x1e0 [ 708.579358] 0 pages HighMem/MovableOnly [ 708.584718] kmem_cache_alloc_node+0xe3/0x710 [ 708.589456] 341723 pages reserved [ 708.589463] 0 pages cma reserved [ 708.592477] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 708.595526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 708.599461] __alloc_skb+0xd5/0x5f0 [ 708.599483] ? skb_trim+0x190/0x190 [ 708.602621] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.607065] ? kasan_check_read+0x11/0x20 [ 708.611012] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 708.615518] ndisc_alloc_skb+0x13c/0x340 [ 708.664456] ndisc_send_rs+0x35f/0x6e0 [ 708.668343] addrconf_rs_timer+0x30f/0x680 [ 708.672589] ? ipv6_get_lladdr+0x490/0x490 [ 708.676828] call_timer_fn+0x18d/0x720 [ 708.680728] ? ipv6_get_lladdr+0x490/0x490 [ 708.684971] ? process_timeout+0x40/0x40 [ 708.689050] ? run_timer_softirq+0x644/0x16a0 [ 708.693631] ? trace_hardirqs_on+0x67/0x220 [ 708.697948] ? ipv6_get_lladdr+0x490/0x490 [ 708.702176] run_timer_softirq+0x64f/0x16a0 [ 708.706495] ? add_timer+0xbe0/0xbe0 [ 708.710221] ? __lock_is_held+0xb6/0x140 [ 708.714298] __do_softirq+0x25c/0x921 [ 708.718100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.723632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.729190] irq_exit+0x180/0x1d0 [ 708.732640] smp_apic_timer_interrupt+0x13b/0x550 [ 708.737487] apic_timer_interrupt+0xf/0x20 [ 708.741812] [ 708.744047] RIP: 0010:smp_call_function_single+0x139/0x420 [ 708.749668] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 708.768563] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 708.776285] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 708.783554] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 708.791600] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 708.798873] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 708.806135] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 708.813420] ? smp_call_function_single+0x14c/0x420 [ 708.818433] ? smp_call_function_single+0x137/0x420 [ 708.823460] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 708.829251] ? generic_exec_single+0x490/0x490 [ 708.833841] ? __lock_acquire+0x6ee/0x49c0 [ 708.838070] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 708.843879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 708.848891] ? find_next_and_bit+0x19a/0x200 [ 708.853323] smp_call_function_many+0x75f/0x8e0 [ 708.858005] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 708.864164] native_flush_tlb_others+0x81/0x420 [ 708.869177] flush_tlb_mm_range+0x21c/0x350 [ 708.873497] ? native_flush_tlb_others+0x420/0x420 [ 708.878425] ? lock_acquire+0x16f/0x3f0 [ 708.882398] ? kasan_check_write+0x14/0x20 [ 708.886631] flush_tlb_batched_pending+0x6e/0xb0 [ 708.891470] unmap_page_range+0x8b5/0x1fb0 [ 708.895714] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 708.900202] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.905834] ? kasan_check_write+0x14/0x20 [ 708.910068] __oom_reap_task_mm+0x1fb/0x3a0 [ 708.914392] ? process_shares_mm+0x130/0x130 [ 708.918799] ? oom_reaper+0x12c/0x1160 [ 708.922689] ? __lock_is_held+0xb6/0x140 [ 708.926842] oom_reaper+0x246/0x1160 [ 708.930555] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 708.935060] ? trace_hardirqs_on+0x67/0x220 [ 708.939378] ? finish_wait+0x260/0x260 [ 708.943276] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 708.948372] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.953917] ? __kthread_parkme+0xfb/0x1b0 [ 708.958148] kthread+0x354/0x420 [ 708.961507] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 708.965995] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 708.971530] ret_from_fork+0x24/0x30 [ 708.975253] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 708.975313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 708.983074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.983078] Call Trace: [ 708.983085] [ 708.983103] dump_stack+0x197/0x210 [ 708.983120] warn_alloc.cold+0x7b/0x173 [ 708.989662] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 708.998969] ? zone_watermark_ok_safe+0x260/0x260 [ 709.001535] oom_reaper cpuset=/ mems_allowed=0-1 [ 709.003687] ? __cpuset_node_allowed+0x136/0x540 [ 709.036187] ? __isolate_free_page+0x4c0/0x4c0 [ 709.040782] ? wake_all_kswapds+0x14d/0x300 [ 709.045111] __alloc_pages_slowpath+0x2214/0x2870 [ 709.049968] ? warn_alloc+0x110/0x110 [ 709.053769] ? __lock_acquire+0x6ee/0x49c0 [ 709.058014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.063550] ? should_fail+0x14d/0x85c [ 709.067434] ? __isolate_free_page+0x4c0/0x4c0 [ 709.072038] __alloc_pages_nodemask+0x617/0x750 [ 709.076719] ? __alloc_pages_slowpath+0x2870/0x2870 [ 709.081736] ? find_held_lock+0x35/0x130 [ 709.085806] cache_grow_begin+0x91/0x8c0 [ 709.089861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.095390] ? __cpuset_node_allowed+0x136/0x540 [ 709.100158] fallback_alloc+0x1fd/0x2d0 [ 709.104146] ____cache_alloc_node+0x1be/0x1e0 [ 709.108653] kmem_cache_alloc_node+0xe3/0x710 [ 709.113148] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 709.117386] __alloc_skb+0xd5/0x5f0 [ 709.121025] ? skb_trim+0x190/0x190 [ 709.124643] ? kasan_check_read+0x11/0x20 [ 709.128814] ndisc_alloc_skb+0x13c/0x340 [ 709.132900] ndisc_send_rs+0x35f/0x6e0 [ 709.136786] addrconf_rs_timer+0x30f/0x680 [ 709.141031] ? ipv6_get_lladdr+0x490/0x490 [ 709.145614] call_timer_fn+0x18d/0x720 [ 709.149496] ? ipv6_get_lladdr+0x490/0x490 [ 709.153739] ? process_timeout+0x40/0x40 [ 709.157796] ? run_timer_softirq+0x644/0x16a0 [ 709.162287] ? trace_hardirqs_on+0x67/0x220 [ 709.166619] ? ipv6_get_lladdr+0x490/0x490 [ 709.171174] run_timer_softirq+0x64f/0x16a0 [ 709.175556] ? add_timer+0xbe0/0xbe0 [ 709.179284] ? __lock_is_held+0xb6/0x140 [ 709.183359] __do_softirq+0x25c/0x921 [ 709.187183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.192734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.198285] irq_exit+0x180/0x1d0 [ 709.201739] smp_apic_timer_interrupt+0x13b/0x550 [ 709.206579] apic_timer_interrupt+0xf/0x20 [ 709.210801] [ 709.213032] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 709.217958] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 709.236852] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 709.244555] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 709.251822] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 709.259089] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 709.266351] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 709.273610] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 709.280918] skb_clone+0x156/0x3e0 [ 709.284558] bpf_clone_redirect+0xb2/0x480 [ 709.288797] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 709.293806] ? 0xffffffff81000000 [ 709.297259] ? mark_held_locks+0x100/0x100 [ 709.301488] ? trace_hardirqs_on_caller+0x6a/0x220 [ 709.306422] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 709.311175] ? bpf_test_run+0x146/0x430 [ 709.315156] ? find_held_lock+0x35/0x130 [ 709.319210] ? bpf_test_run+0x146/0x430 [ 709.323183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.328716] ? check_preemption_disabled+0x48/0x290 [ 709.333739] ? lock_acquire+0x16f/0x3f0 [ 709.337725] ? kasan_check_read+0x11/0x20 [ 709.341869] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 709.347104] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.352644] bpf_test_run+0x10d/0x430 [ 709.356460] bpf_prog_test_run_skb+0x64b/0xb20 [ 709.361050] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 709.365887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.371431] ? fput+0x128/0x1a0 [ 709.374716] ? __bpf_prog_get+0x97/0x290 [ 709.378792] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 709.383649] bpf_prog_test_run+0x129/0x1a0 [ 709.387992] __x64_sys_bpf+0x397/0x4c0 [ 709.391975] ? bpf_prog_get+0x20/0x20 [ 709.395780] ? do_syscall_64+0x26/0x620 [ 709.399750] ? lockdep_hardirqs_on+0x415/0x5d0 [ 709.404329] ? trace_hardirqs_on+0x67/0x220 [ 709.408654] do_syscall_64+0xfd/0x620 [ 709.412458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.417653] RIP: 0033:0x45af49 [ 709.420852] Code: Bad RIP value. [ 709.424205] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 709.431905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 709.439166] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 709.446513] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 709.453774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 709.461121] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 709.468410] warn_alloc_show_mem: 1 callbacks suppressed [ 709.468421] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 709.468423] Mem-Info: [ 709.468452] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 709.468452] active_file:13 inactive_file:11 isolated_file:0 [ 709.468452] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.468452] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 709.468452] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 709.468452] free:10923 free_pcp:135 free_cma:0 [ 709.473787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.473795] Call Trace: [ 709.481161] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 709.483553] [ 709.516638] Node 1 active_anon:1432kB 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 [ 709.526003] dump_stack+0x197/0x210 [ 709.528553] Node 0 DMA free:10256kB 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 [ 709.556155] warn_alloc.cold+0x7b/0x173 [ 709.558280] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 709.584666] ? zone_watermark_ok_safe+0x260/0x260 [ 709.588379] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 709.614505] ? __cpuset_node_allowed+0x136/0x540 [ 709.618459] lowmem_reserve[]: 0 0 1 1 1 [ 709.623495] ? __isolate_free_page+0x4c0/0x4c0 [ 709.628311] 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 [ 709.657040] ? wake_all_kswapds+0x14d/0x300 [ 709.661785] lowmem_reserve[]: 0 0 0 0 0 [ 709.665767] __alloc_pages_slowpath+0x2214/0x2870 [ 709.670318] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 709.696095] ? warn_alloc+0x110/0x110 [ 709.700396] lowmem_reserve[]: 0 0 0 0 0 [ 709.704385] ? __lock_acquire+0x6ee/0x49c0 [ 709.710230] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 709.738267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.742049] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 709.746018] ? should_fail+0x14d/0x85c [ 709.750226] 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 [ 709.762011] ? __isolate_free_page+0x4c0/0x4c0 [ 709.767537] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 709.782282] __alloc_pages_nodemask+0x617/0x750 [ 709.786155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 709.796817] ? __alloc_pages_slowpath+0x2870/0x2870 [ 709.801467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 709.801480] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 709.816574] ? find_held_lock+0x35/0x130 [ 709.821218] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 709.821227] 269 total pagecache pages [ 709.830684] cache_grow_begin+0x91/0x8c0 [ 709.835692] 0 pages in swap cache [ 709.844439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.853264] Swap cache stats: add 0, delete 0, find 0/0 [ 709.857329] ? __cpuset_node_allowed+0x136/0x540 [ 709.865899] Free swap = 0kB [ 709.869713] fallback_alloc+0x1fd/0x2d0 [ 709.873759] Total swap = 0kB [ 709.873768] 1965979 pages RAM [ 709.877231] ____cache_alloc_node+0x1be/0x1e0 [ 709.882748] 0 pages HighMem/MovableOnly [ 709.882755] 341723 pages reserved [ 709.888124] kmem_cache_alloc_node+0xe3/0x710 [ 709.892849] 0 pages cma reserved [ 709.892914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 709.895868] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 709.899886] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 709.902845] __alloc_skb+0xd5/0x5f0 [ 709.905961] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 709.910450] ? skb_trim+0x190/0x190 [ 709.959755] ? kasan_check_read+0x11/0x20 [ 709.963913] ndisc_alloc_skb+0x13c/0x340 [ 709.967972] ndisc_send_rs+0x35f/0x6e0 [ 709.971858] addrconf_rs_timer+0x30f/0x680 [ 709.976088] ? ipv6_get_lladdr+0x490/0x490 [ 709.980342] call_timer_fn+0x18d/0x720 [ 709.984238] ? ipv6_get_lladdr+0x490/0x490 [ 709.988477] ? process_timeout+0x40/0x40 [ 709.992533] ? run_timer_softirq+0x644/0x16a0 [ 709.997028] ? trace_hardirqs_on+0x67/0x220 [ 710.001345] ? ipv6_get_lladdr+0x490/0x490 [ 710.005572] run_timer_softirq+0x64f/0x16a0 [ 710.009893] ? add_timer+0xbe0/0xbe0 [ 710.013604] ? __lock_is_held+0xb6/0x140 [ 710.017676] __do_softirq+0x25c/0x921 [ 710.021483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.027109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.032651] irq_exit+0x180/0x1d0 [ 710.036099] smp_apic_timer_interrupt+0x13b/0x550 [ 710.040951] apic_timer_interrupt+0xf/0x20 [ 710.045170] [ 710.047405] RIP: 0010:smp_call_function_single+0x139/0x420 [ 710.053027] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 710.072008] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 710.079735] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 710.087107] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 710.094418] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 710.101813] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 710.109438] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 710.116752] ? smp_call_function_single+0x14c/0x420 [ 710.121769] ? smp_call_function_single+0x137/0x420 [ 710.126786] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 710.133103] ? generic_exec_single+0x490/0x490 [ 710.137702] ? __lock_acquire+0x6ee/0x49c0 [ 710.141932] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 710.147722] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 710.152816] ? find_next_and_bit+0x19a/0x200 [ 710.157224] smp_call_function_many+0x75f/0x8e0 [ 710.161886] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 710.168032] native_flush_tlb_others+0x81/0x420 [ 710.172698] flush_tlb_mm_range+0x21c/0x350 [ 710.177012] ? native_flush_tlb_others+0x420/0x420 [ 710.181947] ? lock_acquire+0x16f/0x3f0 [ 710.185917] ? kasan_check_write+0x14/0x20 [ 710.190144] flush_tlb_batched_pending+0x6e/0xb0 [ 710.194896] unmap_page_range+0x8b5/0x1fb0 [ 710.199169] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 710.203656] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 710.209188] ? kasan_check_write+0x14/0x20 [ 710.213590] __oom_reap_task_mm+0x1fb/0x3a0 [ 710.217928] ? process_shares_mm+0x130/0x130 [ 710.222329] ? oom_reaper+0x12c/0x1160 [ 710.226230] ? __lock_is_held+0xb6/0x140 [ 710.230294] oom_reaper+0x246/0x1160 [ 710.234007] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 710.238494] ? trace_hardirqs_on+0x67/0x220 [ 710.242809] ? finish_wait+0x260/0x260 [ 710.246690] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 710.251812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 710.257385] ? __kthread_parkme+0xfb/0x1b0 [ 710.261646] kthread+0x354/0x420 [ 710.265025] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 710.269522] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 710.275068] ret_from_fork+0x24/0x30 [ 710.278796] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 710.278857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 710.286601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.286609] Call Trace: [ 710.294225] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 710.303708] [ 710.306287] oom_reaper cpuset=/ mems_allowed=0-1 [ 710.317389] dump_stack+0x197/0x210 [ 710.327883] warn_alloc.cold+0x7b/0x173 [ 710.331942] ? zone_watermark_ok_safe+0x260/0x260 [ 710.336778] ? __cpuset_node_allowed+0x136/0x540 [ 710.341534] ? __isolate_free_page+0x4c0/0x4c0 [ 710.346120] ? wake_all_kswapds+0x14d/0x300 [ 710.350443] __alloc_pages_slowpath+0x2214/0x2870 [ 710.355295] ? warn_alloc+0x110/0x110 [ 710.359557] ? __lock_acquire+0x6ee/0x49c0 [ 710.363787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.369335] ? should_fail+0x14d/0x85c [ 710.373221] ? __isolate_free_page+0x4c0/0x4c0 [ 710.377805] __alloc_pages_nodemask+0x617/0x750 [ 710.382472] ? __alloc_pages_slowpath+0x2870/0x2870 [ 710.387492] ? find_held_lock+0x35/0x130 [ 710.391548] cache_grow_begin+0x91/0x8c0 [ 710.395603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.401138] ? __cpuset_node_allowed+0x136/0x540 [ 710.405927] fallback_alloc+0x1fd/0x2d0 [ 710.409907] ____cache_alloc_node+0x1be/0x1e0 [ 710.414435] kmem_cache_alloc+0x1f3/0x700 [ 710.418583] ? mark_held_locks+0xb1/0x100 [ 710.422727] ? __netdev_alloc_skb+0x370/0x470 [ 710.427238] __build_skb+0x3e/0x310 [ 710.430858] __netdev_alloc_skb+0x2ba/0x470 [ 710.435194] send_hsr_supervision_frame+0x110/0xf30 [ 710.440201] ? lock_acquire+0x16f/0x3f0 [ 710.444173] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 710.449284] hsr_announce+0x12f/0x3b0 [ 710.453084] call_timer_fn+0x18d/0x720 [ 710.456967] ? send_hsr_supervision_frame+0xf30/0xf30 [ 710.462149] ? process_timeout+0x40/0x40 [ 710.466225] ? run_timer_softirq+0x644/0x16a0 [ 710.470732] ? trace_hardirqs_on+0x67/0x220 [ 710.475077] ? send_hsr_supervision_frame+0xf30/0xf30 [ 710.480275] run_timer_softirq+0x64f/0x16a0 [ 710.484614] ? add_timer+0xbe0/0xbe0 [ 710.488325] ? __lock_is_held+0xb6/0x140 [ 710.492394] __do_softirq+0x25c/0x921 [ 710.496187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.501714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.507253] irq_exit+0x180/0x1d0 [ 710.510716] smp_apic_timer_interrupt+0x13b/0x550 [ 710.515558] apic_timer_interrupt+0xf/0x20 [ 710.519782] [ 710.522013] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 710.526953] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 710.545848] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 710.553643] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 710.560904] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 710.569300] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 710.576734] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 710.584014] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 710.591390] skb_clone+0x156/0x3e0 [ 710.594932] bpf_clone_redirect+0xb2/0x480 [ 710.599168] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 710.604178] ? 0xffffffff81000000 [ 710.607632] ? mark_held_locks+0x100/0x100 [ 710.611873] ? trace_hardirqs_on_caller+0x6a/0x220 [ 710.616904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 710.621655] ? bpf_test_run+0x146/0x430 [ 710.625636] ? find_held_lock+0x35/0x130 [ 710.629689] ? bpf_test_run+0x146/0x430 [ 710.633666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.639410] ? check_preemption_disabled+0x48/0x290 [ 710.644439] ? lock_acquire+0x16f/0x3f0 [ 710.648418] ? kasan_check_read+0x11/0x20 [ 710.652565] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 710.657756] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 710.663301] bpf_test_run+0x10d/0x430 [ 710.667104] bpf_prog_test_run_skb+0x64b/0xb20 [ 710.671693] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 710.676529] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 710.682074] ? fput+0x128/0x1a0 [ 710.685368] ? __bpf_prog_get+0x97/0x290 [ 710.689433] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 710.694273] bpf_prog_test_run+0x129/0x1a0 [ 710.698503] __x64_sys_bpf+0x397/0x4c0 [ 710.702385] ? bpf_prog_get+0x20/0x20 [ 710.706194] ? do_syscall_64+0x26/0x620 [ 710.710162] ? lockdep_hardirqs_on+0x415/0x5d0 [ 710.714749] ? trace_hardirqs_on+0x67/0x220 [ 710.719067] do_syscall_64+0xfd/0x620 [ 710.722863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 710.728910] RIP: 0033:0x45af49 [ 710.732103] Code: Bad RIP value. [ 710.735459] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 710.743161] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 710.750440] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 710.757792] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 710.765932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 710.773209] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 710.780503] warn_alloc_show_mem: 1 callbacks suppressed [ 710.780514] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 710.780516] Mem-Info: [ 710.780546] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 710.780546] active_file:13 inactive_file:11 isolated_file:0 [ 710.780546] unevictable:0 dirty:0 writeback:0 unstable:0 [ 710.780546] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 710.780546] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 710.780546] free:10923 free_pcp:135 free_cma:0 [ 710.785893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.785903] Call Trace: [ 710.793280] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 710.795685] [ 710.829499] Node 1 active_anon:1432kB 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 [ 710.838861] dump_stack+0x197/0x210 [ 710.841421] Node 0 DMA free:10256kB 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 [ 710.869099] warn_alloc.cold+0x7b/0x173 [ 710.871220] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 710.897157] ? zone_watermark_ok_safe+0x260/0x260 [ 710.900754] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 710.926855] ? __cpuset_node_allowed+0x136/0x540 [ 710.930804] lowmem_reserve[]: 0 0 1 1 1 [ 710.935830] ? __isolate_free_page+0x4c0/0x4c0 [ 710.940654] 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 [ 710.969283] ? wake_all_kswapds+0x14d/0x300 [ 710.974009] lowmem_reserve[]: 0 0 0 0 0 [ 710.977985] __alloc_pages_slowpath+0x2214/0x2870 [ 710.982537] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 711.008328] ? warn_alloc+0x110/0x110 [ 711.012632] lowmem_reserve[]: 0 0 0 0 0 [ 711.016609] ? __lock_acquire+0x6ee/0x49c0 [ 711.021424] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 711.049987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.053765] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 711.057749] ? should_fail+0x14d/0x85c [ 711.061969] 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 [ 711.073773] ? __isolate_free_page+0x4c0/0x4c0 [ 711.079286] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 711.094045] __alloc_pages_nodemask+0x617/0x750 [ 711.097924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.108601] ? __alloc_pages_slowpath+0x2870/0x2870 [ 711.113162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.128262] ? find_held_lock+0x35/0x130 [ 711.133033] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.133047] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.141920] cache_grow_begin+0x91/0x8c0 [ 711.146928] 269 total pagecache pages [ 711.155519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.159558] 0 pages in swap cache [ 711.168411] ? __cpuset_node_allowed+0x136/0x540 [ 711.176982] Swap cache stats: add 0, delete 0, find 0/0 [ 711.181054] fallback_alloc+0x1fd/0x2d0 [ 711.184842] Free swap = 0kB [ 711.190394] ____cache_alloc_node+0x1be/0x1e0 [ 711.193823] Total swap = 0kB [ 711.198584] kmem_cache_alloc_node+0xe3/0x710 [ 711.203946] 1965979 pages RAM [ 711.207935] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 711.210926] 0 pages HighMem/MovableOnly [ 711.210934] 341723 pages reserved [ 711.215444] __alloc_skb+0xd5/0x5f0 [ 711.218430] 0 pages cma reserved [ 711.218564] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.222948] ? skb_trim+0x190/0x190 [ 711.226024] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 711.230256] ? kasan_check_read+0x11/0x20 [ 711.268789] ndisc_alloc_skb+0x13c/0x340 [ 711.272850] ndisc_send_rs+0x35f/0x6e0 [ 711.276737] addrconf_rs_timer+0x30f/0x680 [ 711.280989] ? ipv6_get_lladdr+0x490/0x490 [ 711.285236] call_timer_fn+0x18d/0x720 [ 711.289128] ? ipv6_get_lladdr+0x490/0x490 [ 711.293363] ? process_timeout+0x40/0x40 [ 711.297504] ? run_timer_softirq+0x644/0x16a0 [ 711.302009] ? trace_hardirqs_on+0x67/0x220 [ 711.306331] ? ipv6_get_lladdr+0x490/0x490 [ 711.310559] run_timer_softirq+0x64f/0x16a0 [ 711.314899] ? add_timer+0xbe0/0xbe0 [ 711.318611] ? __lock_is_held+0xb6/0x140 [ 711.322699] __do_softirq+0x25c/0x921 [ 711.326511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.332066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.337632] irq_exit+0x180/0x1d0 [ 711.341103] smp_apic_timer_interrupt+0x13b/0x550 [ 711.345957] apic_timer_interrupt+0xf/0x20 [ 711.350188] [ 711.352426] RIP: 0010:smp_call_function_single+0x139/0x420 [ 711.358058] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 711.376953] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 711.384764] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 711.392027] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 711.399289] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 711.406552] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 711.413810] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 711.421087] ? smp_call_function_single+0x14c/0x420 [ 711.426096] ? smp_call_function_single+0x137/0x420 [ 711.431123] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 711.436915] ? generic_exec_single+0x490/0x490 [ 711.441490] ? __lock_acquire+0x6ee/0x49c0 [ 711.445719] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 711.451530] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 711.456541] ? find_next_and_bit+0x19a/0x200 [ 711.460949] smp_call_function_many+0x75f/0x8e0 [ 711.465626] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 711.471428] native_flush_tlb_others+0x81/0x420 [ 711.476093] flush_tlb_mm_range+0x21c/0x350 [ 711.480421] ? native_flush_tlb_others+0x420/0x420 [ 711.485348] ? lock_acquire+0x16f/0x3f0 [ 711.489345] ? kasan_check_write+0x14/0x20 [ 711.493583] flush_tlb_batched_pending+0x6e/0xb0 [ 711.498401] unmap_page_range+0x8b5/0x1fb0 [ 711.502682] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 711.507178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.512713] ? kasan_check_write+0x14/0x20 [ 711.516966] __oom_reap_task_mm+0x1fb/0x3a0 [ 711.521302] ? process_shares_mm+0x130/0x130 [ 711.525733] ? oom_reaper+0x12c/0x1160 [ 711.529625] ? __lock_is_held+0xb6/0x140 [ 711.533693] oom_reaper+0x246/0x1160 [ 711.537405] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 711.541893] ? trace_hardirqs_on+0x67/0x220 [ 711.546212] ? finish_wait+0x260/0x260 [ 711.550119] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 711.555218] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.560916] ? __kthread_parkme+0xfb/0x1b0 [ 711.565309] kthread+0x354/0x420 [ 711.568712] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 711.573214] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 711.578751] ret_from_fork+0x24/0x30 [ 711.582480] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 711.582546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 711.590287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.590292] Call Trace: [ 711.590298] [ 711.590314] dump_stack+0x197/0x210 [ 711.590331] warn_alloc.cold+0x7b/0x173 [ 711.596862] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 711.606181] ? zone_watermark_ok_safe+0x260/0x260 [ 711.608739] oom_reaper cpuset=/ mems_allowed=0-1 [ 711.610882] ? __cpuset_node_allowed+0x136/0x540 [ 711.642956] ? __isolate_free_page+0x4c0/0x4c0 [ 711.647532] ? wake_all_kswapds+0x14d/0x300 [ 711.651858] __alloc_pages_slowpath+0x2214/0x2870 [ 711.656715] ? warn_alloc+0x110/0x110 [ 711.660511] ? __lock_acquire+0x6ee/0x49c0 [ 711.664762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.670295] ? should_fail+0x14d/0x85c [ 711.674179] ? __isolate_free_page+0x4c0/0x4c0 [ 711.678762] __alloc_pages_nodemask+0x617/0x750 [ 711.683430] ? __alloc_pages_slowpath+0x2870/0x2870 [ 711.688447] ? find_held_lock+0x35/0x130 [ 711.692504] cache_grow_begin+0x91/0x8c0 [ 711.696594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.702125] ? __cpuset_node_allowed+0x136/0x540 [ 711.706897] fallback_alloc+0x1fd/0x2d0 [ 711.710895] ____cache_alloc_node+0x1be/0x1e0 [ 711.715524] kmem_cache_alloc+0x1f3/0x700 [ 711.719680] ? mark_held_locks+0xb1/0x100 [ 711.723842] ? __netdev_alloc_skb+0x370/0x470 [ 711.728352] __build_skb+0x3e/0x310 [ 711.731982] __netdev_alloc_skb+0x2ba/0x470 [ 711.736310] send_hsr_supervision_frame+0x110/0xf30 [ 711.741320] ? lock_acquire+0x16f/0x3f0 [ 711.745308] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 711.750325] hsr_announce+0x12f/0x3b0 [ 711.754122] call_timer_fn+0x18d/0x720 [ 711.758005] ? send_hsr_supervision_frame+0xf30/0xf30 [ 711.763187] ? process_timeout+0x40/0x40 [ 711.767243] ? run_timer_softirq+0x644/0x16a0 [ 711.771751] ? trace_hardirqs_on+0x67/0x220 [ 711.776072] ? send_hsr_supervision_frame+0xf30/0xf30 [ 711.781257] run_timer_softirq+0x64f/0x16a0 [ 711.785577] ? add_timer+0xbe0/0xbe0 [ 711.789288] ? __lock_is_held+0xb6/0x140 [ 711.793370] __do_softirq+0x25c/0x921 [ 711.797163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.802692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.808237] irq_exit+0x180/0x1d0 [ 711.811709] smp_apic_timer_interrupt+0x13b/0x550 [ 711.816550] apic_timer_interrupt+0xf/0x20 [ 711.820771] [ 711.823006] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 711.827930] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 711.846921] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 711.854771] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 711.862039] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 711.870001] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 711.877260] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 711.884532] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 711.891830] skb_clone+0x156/0x3e0 [ 711.895374] bpf_clone_redirect+0xb2/0x480 [ 711.899606] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 711.904615] ? 0xffffffff81000000 [ 711.908067] ? mark_held_locks+0x100/0x100 [ 711.912302] ? trace_hardirqs_on_caller+0x6a/0x220 [ 711.917231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 711.922001] ? bpf_test_run+0x146/0x430 [ 711.925969] ? find_held_lock+0x35/0x130 [ 711.931065] ? bpf_test_run+0x146/0x430 [ 711.935038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.940567] ? check_preemption_disabled+0x48/0x290 [ 711.945595] ? lock_acquire+0x16f/0x3f0 [ 711.949564] ? kasan_check_read+0x11/0x20 [ 711.953703] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 711.958887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.964414] bpf_test_run+0x10d/0x430 [ 711.968217] bpf_prog_test_run_skb+0x64b/0xb20 [ 711.972800] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 711.977651] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.983180] ? fput+0x128/0x1a0 [ 711.986457] ? __bpf_prog_get+0x97/0x290 [ 711.990509] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 711.995362] bpf_prog_test_run+0x129/0x1a0 [ 711.999592] __x64_sys_bpf+0x397/0x4c0 [ 712.003474] ? bpf_prog_get+0x20/0x20 [ 712.007279] ? do_syscall_64+0x26/0x620 [ 712.011248] ? lockdep_hardirqs_on+0x415/0x5d0 [ 712.015825] ? trace_hardirqs_on+0x67/0x220 [ 712.020577] do_syscall_64+0xfd/0x620 [ 712.024376] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.029555] RIP: 0033:0x45af49 [ 712.032750] Code: Bad RIP value. [ 712.036105] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 712.043803] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 712.051066] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 712.058333] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 712.065596] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 712.072869] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 712.080145] warn_alloc_show_mem: 1 callbacks suppressed [ 712.080155] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 712.080157] Mem-Info: [ 712.080186] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 712.080186] active_file:13 inactive_file:11 isolated_file:0 [ 712.080186] unevictable:0 dirty:0 writeback:0 unstable:0 [ 712.080186] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 712.080186] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 712.080186] free:10923 free_pcp:135 free_cma:0 [ 712.085548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.092911] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 712.095302] Call Trace: [ 712.128446] Node 1 active_anon:1432kB 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 [ 712.137797] [ 712.165196] Node 0 DMA free:10256kB 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 [ 712.167817] dump_stack+0x197/0x210 [ 712.193720] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 712.195878] warn_alloc.cold+0x7b/0x173 [ 712.222082] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 712.225736] ? zone_watermark_ok_safe+0x260/0x260 [ 712.230745] lowmem_reserve[]: 0 0 1 1 1 [ 712.234742] ? __cpuset_node_allowed+0x136/0x540 [ 712.263364] 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 [ 712.268226] ? __isolate_free_page+0x4c0/0x4c0 [ 712.272246] lowmem_reserve[]: 0 0 0 0 0 [ 712.277010] ? wake_all_kswapds+0x14d/0x300 [ 712.302746] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 712.307337] __alloc_pages_slowpath+0x2214/0x2870 [ 712.311283] lowmem_reserve[]: 0 0 0 0 0 [ 712.315625] ? warn_alloc+0x110/0x110 [ 712.343630] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 712.349092] ? __lock_acquire+0x6ee/0x49c0 [ 712.353151] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 712.356968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.371445] 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 [ 712.375717] ? should_fail+0x14d/0x85c [ 712.390551] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 712.396128] ? __isolate_free_page+0x4c0/0x4c0 [ 712.406902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 712.410943] __alloc_pages_nodemask+0x617/0x750 [ 712.426026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 712.426041] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 712.430653] ? __alloc_pages_slowpath+0x2870/0x2870 [ 712.439607] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 712.439618] 269 total pagecache pages [ 712.444316] ? find_held_lock+0x35/0x130 [ 712.452886] 0 pages in swap cache [ 712.461765] cache_grow_begin+0x91/0x8c0 [ 712.466771] Swap cache stats: add 0, delete 0, find 0/0 [ 712.475362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.479138] Free swap = 0kB [ 712.483209] ? __cpuset_node_allowed+0x136/0x540 [ 712.486650] Total swap = 0kB [ 712.486661] 1965979 pages RAM [ 712.490758] fallback_alloc+0x1fd/0x2d0 [ 712.496306] 0 pages HighMem/MovableOnly [ 712.496317] 341723 pages reserved [ 712.501888] ____cache_alloc_node+0x1be/0x1e0 [ 712.504884] 0 pages cma reserved [ 712.509662] kmem_cache_alloc_node+0xe3/0x710 [ 712.512804] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 712.515795] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 712.519755] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 712.523754] __alloc_skb+0xd5/0x5f0 [ 712.564378] ? skb_trim+0x190/0x190 [ 712.568002] ? kasan_check_read+0x11/0x20 [ 712.572152] ndisc_alloc_skb+0x13c/0x340 [ 712.576209] ndisc_send_rs+0x35f/0x6e0 [ 712.580094] addrconf_rs_timer+0x30f/0x680 [ 712.584328] ? ipv6_get_lladdr+0x490/0x490 [ 712.588564] call_timer_fn+0x18d/0x720 [ 712.592454] ? ipv6_get_lladdr+0x490/0x490 [ 712.596687] ? process_timeout+0x40/0x40 [ 712.600739] ? run_timer_softirq+0x644/0x16a0 [ 712.605232] ? trace_hardirqs_on+0x67/0x220 [ 712.609552] ? ipv6_get_lladdr+0x490/0x490 [ 712.613793] run_timer_softirq+0x64f/0x16a0 [ 712.618113] ? add_timer+0xbe0/0xbe0 [ 712.621822] ? __lock_is_held+0xb6/0x140 [ 712.625887] __do_softirq+0x25c/0x921 [ 712.629712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.635257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.640798] irq_exit+0x180/0x1d0 [ 712.644332] smp_apic_timer_interrupt+0x13b/0x550 [ 712.649179] apic_timer_interrupt+0xf/0x20 [ 712.653401] [ 712.655634] RIP: 0010:smp_call_function_single+0x139/0x420 [ 712.661255] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 712.680351] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 712.688084] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 712.695367] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 712.702652] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 712.709939] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 712.717232] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 712.724542] ? smp_call_function_single+0x14c/0x420 [ 712.729566] ? smp_call_function_single+0x137/0x420 [ 712.734610] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 712.740410] ? generic_exec_single+0x490/0x490 [ 712.745008] ? __lock_acquire+0x6ee/0x49c0 [ 712.749249] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 712.755064] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 712.760451] ? find_next_and_bit+0x19a/0x200 [ 712.764869] smp_call_function_many+0x75f/0x8e0 [ 712.769564] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 712.775414] native_flush_tlb_others+0x81/0x420 [ 712.780109] flush_tlb_mm_range+0x21c/0x350 [ 712.784454] ? native_flush_tlb_others+0x420/0x420 [ 712.789411] ? lock_acquire+0x16f/0x3f0 [ 712.793408] ? kasan_check_write+0x14/0x20 [ 712.797656] flush_tlb_batched_pending+0x6e/0xb0 [ 712.802560] unmap_page_range+0x8b5/0x1fb0 [ 712.806837] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 712.811346] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.816900] ? kasan_check_write+0x14/0x20 [ 712.821138] __oom_reap_task_mm+0x1fb/0x3a0 [ 712.825460] ? process_shares_mm+0x130/0x130 [ 712.829879] ? oom_reaper+0x12c/0x1160 [ 712.833769] ? __lock_is_held+0xb6/0x140 [ 712.837835] oom_reaper+0x246/0x1160 [ 712.841549] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 712.846042] ? trace_hardirqs_on+0x67/0x220 [ 712.850360] ? finish_wait+0x260/0x260 [ 712.854248] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 712.859361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.864907] ? __kthread_parkme+0xfb/0x1b0 [ 712.869585] kthread+0x354/0x420 [ 712.872961] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 712.877476] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 712.883019] ret_from_fork+0x24/0x30 [ 712.886756] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 712.886818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 712.894554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.894559] Call Trace: [ 712.894565] [ 712.894581] dump_stack+0x197/0x210 [ 712.894598] warn_alloc.cold+0x7b/0x173 [ 712.901240] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 712.910746] ? zone_watermark_ok_safe+0x260/0x260 [ 712.913334] oom_reaper cpuset=/ mems_allowed=0-1 [ 712.915487] ? __cpuset_node_allowed+0x136/0x540 [ 712.947744] ? __isolate_free_page+0x4c0/0x4c0 [ 712.952329] ? wake_all_kswapds+0x14d/0x300 [ 712.956650] __alloc_pages_slowpath+0x2214/0x2870 [ 712.961505] ? warn_alloc+0x110/0x110 [ 712.965314] ? __lock_acquire+0x6ee/0x49c0 [ 712.969540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.975072] ? should_fail+0x14d/0x85c [ 712.978958] ? __isolate_free_page+0x4c0/0x4c0 [ 712.983544] __alloc_pages_nodemask+0x617/0x750 [ 712.988213] ? __alloc_pages_slowpath+0x2870/0x2870 [ 712.993229] ? find_held_lock+0x35/0x130 [ 712.997314] cache_grow_begin+0x91/0x8c0 [ 713.001375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.006916] ? __cpuset_node_allowed+0x136/0x540 [ 713.011676] fallback_alloc+0x1fd/0x2d0 [ 713.015666] ____cache_alloc_node+0x1be/0x1e0 [ 713.020158] kmem_cache_alloc_node+0xe3/0x710 [ 713.024669] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 713.028904] __alloc_skb+0xd5/0x5f0 [ 713.032531] ? skb_trim+0x190/0x190 [ 713.036153] ? kasan_check_read+0x11/0x20 [ 713.040300] ndisc_alloc_skb+0x13c/0x340 [ 713.044371] ndisc_send_rs+0x35f/0x6e0 [ 713.048253] addrconf_rs_timer+0x30f/0x680 [ 713.052499] ? ipv6_get_lladdr+0x490/0x490 [ 713.056824] call_timer_fn+0x18d/0x720 [ 713.060705] ? ipv6_get_lladdr+0x490/0x490 [ 713.064932] ? process_timeout+0x40/0x40 [ 713.068984] ? run_timer_softirq+0x644/0x16a0 [ 713.073485] ? trace_hardirqs_on+0x67/0x220 [ 713.077886] ? ipv6_get_lladdr+0x490/0x490 [ 713.082109] run_timer_softirq+0x64f/0x16a0 [ 713.086431] ? add_timer+0xbe0/0xbe0 [ 713.090137] ? __lock_is_held+0xb6/0x140 [ 713.094201] __do_softirq+0x25c/0x921 [ 713.097994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.103522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.109062] irq_exit+0x180/0x1d0 [ 713.112510] smp_apic_timer_interrupt+0x13b/0x550 [ 713.117364] apic_timer_interrupt+0xf/0x20 [ 713.121589] [ 713.123966] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 713.128892] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 713.147794] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 713.155493] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 713.162767] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 713.170127] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 713.177387] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 713.184649] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 713.191935] skb_clone+0x156/0x3e0 [ 713.195473] bpf_clone_redirect+0xb2/0x480 [ 713.199705] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 713.204711] ? 0xffffffff81000000 [ 713.208165] ? mark_held_locks+0x100/0x100 [ 713.212390] ? trace_hardirqs_on_caller+0x6a/0x220 [ 713.217319] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 713.222068] ? bpf_test_run+0x146/0x430 [ 713.226034] ? find_held_lock+0x35/0x130 [ 713.230099] ? bpf_test_run+0x146/0x430 [ 713.234071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.239686] ? check_preemption_disabled+0x48/0x290 [ 713.244711] ? lock_acquire+0x16f/0x3f0 [ 713.249207] ? kasan_check_read+0x11/0x20 [ 713.253346] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 713.258528] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 713.264055] bpf_test_run+0x10d/0x430 [ 713.267857] bpf_prog_test_run_skb+0x64b/0xb20 [ 713.272438] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 713.277361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 713.282891] ? fput+0x128/0x1a0 [ 713.286170] ? __bpf_prog_get+0x97/0x290 [ 713.290250] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 713.295121] bpf_prog_test_run+0x129/0x1a0 [ 713.299397] __x64_sys_bpf+0x397/0x4c0 [ 713.303287] ? bpf_prog_get+0x20/0x20 [ 713.307097] ? do_syscall_64+0x26/0x620 [ 713.311087] ? lockdep_hardirqs_on+0x415/0x5d0 [ 713.315707] ? trace_hardirqs_on+0x67/0x220 [ 713.320052] do_syscall_64+0xfd/0x620 [ 713.323861] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 713.329059] RIP: 0033:0x45af49 [ 713.332259] Code: Bad RIP value. [ 713.335632] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 713.343350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 713.352640] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 713.359903] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 713.367163] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 713.374423] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 713.381703] warn_alloc_show_mem: 1 callbacks suppressed [ 713.381714] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 713.381716] Mem-Info: [ 713.381745] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 713.381745] active_file:13 inactive_file:11 isolated_file:0 [ 713.381745] unevictable:0 dirty:0 writeback:0 unstable:0 [ 713.381745] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 713.381745] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 713.381745] free:10923 free_pcp:135 free_cma:0 [ 713.387081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.394472] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 713.396886] Call Trace: [ 713.429959] Node 1 active_anon:1432kB 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 [ 713.439282] [ 713.466676] Node 0 DMA free:10256kB 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 [ 713.469317] dump_stack+0x197/0x210 [ 713.495354] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 713.497516] warn_alloc.cold+0x7b/0x173 [ 713.523677] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 713.527317] ? zone_watermark_ok_safe+0x260/0x260 [ 713.532296] lowmem_reserve[]: 0 0 1 1 1 [ 713.536275] ? __cpuset_node_allowed+0x136/0x540 [ 713.564966] 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 [ 713.569831] ? __isolate_free_page+0x4c0/0x4c0 [ 713.573779] lowmem_reserve[]: 0 0 0 0 0 [ 713.578534] ? wake_all_kswapds+0x14d/0x300 [ 713.604457] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 713.609044] __alloc_pages_slowpath+0x2214/0x2870 [ 713.612982] lowmem_reserve[]: 0 0 0 0 0 [ 713.617345] ? warn_alloc+0x110/0x110 [ 713.645492] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 713.650339] ? __lock_acquire+0x6ee/0x49c0 [ 713.654278] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 713.658088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.669845] 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 [ 713.674084] ? should_fail+0x14d/0x85c [ 713.688794] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 713.694339] ? __isolate_free_page+0x4c0/0x4c0 [ 713.704971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 713.708888] __alloc_pages_nodemask+0x617/0x750 [ 713.723954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 713.723967] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 713.728556] ? __alloc_pages_slowpath+0x2870/0x2870 [ 713.737363] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 713.737372] 269 total pagecache pages [ 713.742040] ? find_held_lock+0x35/0x130 [ 713.753033] 0 pages in swap cache [ 713.761877] cache_grow_begin+0x91/0x8c0 [ 713.766864] Swap cache stats: add 0, delete 0, find 0/0 [ 713.766872] Free swap = 0kB [ 713.775442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.779215] Total swap = 0kB [ 713.779224] 1965979 pages RAM [ 713.783363] ? __cpuset_node_allowed+0x136/0x540 [ 713.786803] 0 pages HighMem/MovableOnly [ 713.790870] fallback_alloc+0x1fd/0x2d0 [ 713.796214] 341723 pages reserved [ 713.796221] 0 pages cma reserved [ 713.799234] ____cache_alloc_node+0x1be/0x1e0 [ 713.804801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 713.807789] kmem_cache_alloc_node+0xe3/0x710 [ 713.807805] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 713.807828] __alloc_skb+0xd5/0x5f0 [ 713.810954] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 713.815657] ? skb_trim+0x190/0x190 [ 713.819604] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 713.823577] ? kasan_check_read+0x11/0x20 [ 713.823601] ndisc_alloc_skb+0x13c/0x340 [ 713.881549] ndisc_send_rs+0x35f/0x6e0 [ 713.885438] addrconf_rs_timer+0x30f/0x680 [ 713.889669] ? ipv6_get_lladdr+0x490/0x490 [ 713.893920] call_timer_fn+0x18d/0x720 [ 713.897803] ? ipv6_get_lladdr+0x490/0x490 [ 713.902031] ? process_timeout+0x40/0x40 [ 713.906081] ? run_timer_softirq+0x644/0x16a0 [ 713.910584] ? trace_hardirqs_on+0x67/0x220 [ 713.914901] ? ipv6_get_lladdr+0x490/0x490 [ 713.919127] run_timer_softirq+0x64f/0x16a0 [ 713.923446] ? add_timer+0xbe0/0xbe0 [ 713.927156] ? __lock_is_held+0xb6/0x140 [ 713.931222] __do_softirq+0x25c/0x921 [ 713.935020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.940549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.946099] irq_exit+0x180/0x1d0 [ 713.949549] smp_apic_timer_interrupt+0x13b/0x550 [ 713.954402] apic_timer_interrupt+0xf/0x20 [ 713.958621] [ 713.960852] RIP: 0010:smp_call_function_single+0x139/0x420 [ 713.966470] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 713.985377] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 713.993094] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 714.000391] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 714.007667] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 714.014931] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 714.022205] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 714.029487] ? smp_call_function_single+0x14c/0x420 [ 714.034511] ? smp_call_function_single+0x137/0x420 [ 714.039538] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 714.045345] ? generic_exec_single+0x490/0x490 [ 714.049921] ? __lock_acquire+0x6ee/0x49c0 [ 714.054151] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 714.059943] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 714.065132] ? find_next_and_bit+0x19a/0x200 [ 714.069550] smp_call_function_many+0x75f/0x8e0 [ 714.074219] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 714.080015] native_flush_tlb_others+0x81/0x420 [ 714.084679] flush_tlb_mm_range+0x21c/0x350 [ 714.088997] ? native_flush_tlb_others+0x420/0x420 [ 714.093922] ? lock_acquire+0x16f/0x3f0 [ 714.097890] ? kasan_check_write+0x14/0x20 [ 714.102120] flush_tlb_batched_pending+0x6e/0xb0 [ 714.106887] unmap_page_range+0x8b5/0x1fb0 [ 714.111144] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 714.115649] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.121194] ? kasan_check_write+0x14/0x20 [ 714.125424] __oom_reap_task_mm+0x1fb/0x3a0 [ 714.129743] ? process_shares_mm+0x130/0x130 [ 714.134151] ? oom_reaper+0x12c/0x1160 [ 714.138038] ? __lock_is_held+0xb6/0x140 [ 714.142099] oom_reaper+0x246/0x1160 [ 714.145818] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 714.150319] ? trace_hardirqs_on+0x67/0x220 [ 714.154636] ? finish_wait+0x260/0x260 [ 714.158531] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 714.163625] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.169166] ? __kthread_parkme+0xfb/0x1b0 [ 714.173401] kthread+0x354/0x420 [ 714.176761] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 714.181248] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 714.187128] ret_from_fork+0x24/0x30 [ 714.190852] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 714.190911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 714.198651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.198655] Call Trace: [ 714.198661] [ 714.198677] dump_stack+0x197/0x210 [ 714.198695] warn_alloc.cold+0x7b/0x173 [ 714.205395] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 714.214513] ? zone_watermark_ok_safe+0x260/0x260 [ 714.214530] ? __cpuset_node_allowed+0x136/0x540 [ 714.217244] oom_reaper cpuset=/ mems_allowed=0-1 [ 714.219402] ? __isolate_free_page+0x4c0/0x4c0 [ 714.256219] ? wake_all_kswapds+0x14d/0x300 [ 714.260544] __alloc_pages_slowpath+0x2214/0x2870 [ 714.265538] ? warn_alloc+0x110/0x110 [ 714.269343] ? __lock_acquire+0x6ee/0x49c0 [ 714.273608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.279167] ? should_fail+0x14d/0x85c [ 714.283173] ? __isolate_free_page+0x4c0/0x4c0 [ 714.287789] __alloc_pages_nodemask+0x617/0x750 [ 714.292469] ? __alloc_pages_slowpath+0x2870/0x2870 [ 714.297490] ? find_held_lock+0x35/0x130 [ 714.302179] cache_grow_begin+0x91/0x8c0 [ 714.306245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.311808] ? __cpuset_node_allowed+0x136/0x540 [ 714.316594] fallback_alloc+0x1fd/0x2d0 [ 714.320580] ____cache_alloc_node+0x1be/0x1e0 [ 714.325227] kmem_cache_alloc_node+0xe3/0x710 [ 714.329739] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 714.333986] __alloc_skb+0xd5/0x5f0 [ 714.337643] ? skb_trim+0x190/0x190 [ 714.341276] ? kasan_check_read+0x11/0x20 [ 714.345458] ndisc_alloc_skb+0x13c/0x340 [ 714.349527] ndisc_send_rs+0x35f/0x6e0 [ 714.353420] addrconf_rs_timer+0x30f/0x680 [ 714.357677] ? ipv6_get_lladdr+0x490/0x490 [ 714.361936] call_timer_fn+0x18d/0x720 [ 714.365860] ? ipv6_get_lladdr+0x490/0x490 [ 714.370093] ? process_timeout+0x40/0x40 [ 714.374166] ? run_timer_softirq+0x644/0x16a0 [ 714.378700] ? trace_hardirqs_on+0x67/0x220 [ 714.383038] ? ipv6_get_lladdr+0x490/0x490 [ 714.387290] run_timer_softirq+0x64f/0x16a0 [ 714.391634] ? add_timer+0xbe0/0xbe0 [ 714.395359] ? __lock_is_held+0xb6/0x140 [ 714.399446] __do_softirq+0x25c/0x921 [ 714.403246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.408805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.414371] irq_exit+0x180/0x1d0 [ 714.417828] smp_apic_timer_interrupt+0x13b/0x550 [ 714.422708] apic_timer_interrupt+0xf/0x20 [ 714.426958] [ 714.429213] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 714.434174] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 714.453180] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 714.460958] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 714.468242] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 714.475510] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 714.482782] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 714.490059] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 714.497560] skb_clone+0x156/0x3e0 [ 714.501102] bpf_clone_redirect+0xb2/0x480 [ 714.505334] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 714.510361] ? 0xffffffff81000000 [ 714.513827] ? mark_held_locks+0x100/0x100 [ 714.518069] ? trace_hardirqs_on_caller+0x6a/0x220 [ 714.523005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 714.527770] ? bpf_test_run+0x146/0x430 [ 714.531751] ? find_held_lock+0x35/0x130 [ 714.535819] ? bpf_test_run+0x146/0x430 [ 714.539805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.545341] ? check_preemption_disabled+0x48/0x290 [ 714.550467] ? lock_acquire+0x16f/0x3f0 [ 714.554441] ? kasan_check_read+0x11/0x20 [ 714.558608] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 714.563855] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.569392] bpf_test_run+0x10d/0x430 [ 714.573197] bpf_prog_test_run_skb+0x64b/0xb20 [ 714.578038] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 714.582874] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.588403] ? fput+0x128/0x1a0 [ 714.591673] ? __bpf_prog_get+0x97/0x290 [ 714.595723] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 714.600558] bpf_prog_test_run+0x129/0x1a0 [ 714.604789] __x64_sys_bpf+0x397/0x4c0 [ 714.608671] ? bpf_prog_get+0x20/0x20 [ 714.612471] ? do_syscall_64+0x26/0x620 [ 714.616440] ? lockdep_hardirqs_on+0x415/0x5d0 [ 714.621015] ? trace_hardirqs_on+0x67/0x220 [ 714.625333] do_syscall_64+0xfd/0x620 [ 714.629131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.634310] RIP: 0033:0x45af49 [ 714.637510] Code: Bad RIP value. [ 714.640877] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 714.648582] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 714.656105] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 714.663382] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 714.670654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 714.677914] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 714.685189] warn_alloc_show_mem: 1 callbacks suppressed [ 714.685199] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 714.685201] Mem-Info: [ 714.685229] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 714.685229] active_file:13 inactive_file:11 isolated_file:0 [ 714.685229] unevictable:0 dirty:0 writeback:0 unstable:0 [ 714.685229] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 714.685229] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 714.685229] free:10923 free_pcp:135 free_cma:0 [ 714.690831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.698188] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 714.700584] Call Trace: [ 714.733741] Node 1 active_anon:1432kB 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 [ 714.743074] [ 714.770919] Node 0 DMA free:10256kB 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 [ 714.773505] dump_stack+0x197/0x210 [ 714.799554] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 714.801710] warn_alloc.cold+0x7b/0x173 [ 714.828627] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 714.832262] ? zone_watermark_ok_safe+0x260/0x260 [ 714.837251] lowmem_reserve[]: 0 0 1 1 1 [ 714.841235] ? __cpuset_node_allowed+0x136/0x540 [ 714.869846] 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 [ 714.874707] ? __isolate_free_page+0x4c0/0x4c0 [ 714.878655] lowmem_reserve[]: 0 0 0 0 0 [ 714.883420] ? wake_all_kswapds+0x14d/0x300 [ 714.909177] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 714.913795] __alloc_pages_slowpath+0x2214/0x2870 [ 714.917741] lowmem_reserve[]: 0 0 0 0 0 [ 714.922109] ? warn_alloc+0x110/0x110 [ 714.950008] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 714.954853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.958798] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 714.962597] ? should_fail+0x14d/0x85c [ 714.974353] 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 [ 714.979910] ? __isolate_free_page+0x4c0/0x4c0 [ 714.994619] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 714.998512] __alloc_pages_nodemask+0x617/0x750 [ 715.009151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 715.013733] ? __alloc_pages_slowpath+0x2870/0x2870 [ 715.028795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 715.033463] cache_grow_begin+0x91/0x8c0 [ 715.042272] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 715.047451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.056000] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 715.060044] ? __cpuset_node_allowed+0x136/0x540 [ 715.068854] 269 total pagecache pages [ 715.074395] fallback_alloc+0x1fd/0x2d0 [ 715.082962] 0 pages in swap cache [ 715.087724] ____cache_alloc_node+0x1be/0x1e0 [ 715.091499] Swap cache stats: add 0, delete 0, find 0/0 [ 715.095470] kmem_cache_alloc_node+0xe3/0x710 [ 715.098910] Free swap = 0kB [ 715.103659] ? trace_hardirqs_off+0x62/0x220 [ 715.108995] Total swap = 0kB [ 715.109005] 1965979 pages RAM [ 715.113505] __alloc_skb+0xd5/0x5f0 [ 715.116490] 0 pages HighMem/MovableOnly [ 715.116498] 341723 pages reserved [ 715.120900] ? skb_trim+0x190/0x190 [ 715.123893] 0 pages cma reserved [ 715.126998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.130656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 715.134566] ? check_preemption_disabled+0x48/0x290 [ 715.138070] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 715.141609] ? lock_acquire+0x16f/0x3f0 [ 715.144946] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 715.150543] new_skb+0x28/0x1d0 [ 715.185077] aoecmd_cfg+0x1b5/0x640 [ 715.188717] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 715.193036] ? timer_reduce+0x11d0/0x11d0 [ 715.197181] discover_timer+0x4e/0x60 [ 715.200971] call_timer_fn+0x18d/0x720 [ 715.204851] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 715.209512] ? process_timeout+0x40/0x40 [ 715.213571] ? run_timer_softirq+0x644/0x16a0 [ 715.218062] ? trace_hardirqs_on+0x67/0x220 [ 715.222378] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 715.227043] run_timer_softirq+0x64f/0x16a0 [ 715.231366] ? add_timer+0xbe0/0xbe0 [ 715.235074] ? __lock_is_held+0xb6/0x140 [ 715.239147] __do_softirq+0x25c/0x921 [ 715.242948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.248491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.254032] irq_exit+0x180/0x1d0 [ 715.257481] smp_apic_timer_interrupt+0x13b/0x550 [ 715.262320] apic_timer_interrupt+0xf/0x20 [ 715.266539] [ 715.268773] RIP: 0010:smp_call_function_single+0x139/0x420 [ 715.274401] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 715.293418] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 715.301557] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 715.308819] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 715.316084] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 715.323343] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 715.330602] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 715.337879] ? smp_call_function_single+0x14c/0x420 [ 715.342922] ? smp_call_function_single+0x137/0x420 [ 715.347946] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 715.353742] ? generic_exec_single+0x490/0x490 [ 715.358319] ? __lock_acquire+0x6ee/0x49c0 [ 715.362554] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 715.368357] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 715.373539] ? find_next_and_bit+0x19a/0x200 [ 715.377951] smp_call_function_many+0x75f/0x8e0 [ 715.382630] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 715.388427] native_flush_tlb_others+0x81/0x420 [ 715.393092] flush_tlb_mm_range+0x21c/0x350 [ 715.397407] ? native_flush_tlb_others+0x420/0x420 [ 715.402332] ? lock_acquire+0x16f/0x3f0 [ 715.406303] ? kasan_check_write+0x14/0x20 [ 715.410545] flush_tlb_batched_pending+0x6e/0xb0 [ 715.415295] unmap_page_range+0x8b5/0x1fb0 [ 715.419539] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 715.424060] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.429721] ? kasan_check_write+0x14/0x20 [ 715.433975] __oom_reap_task_mm+0x1fb/0x3a0 [ 715.438324] ? process_shares_mm+0x130/0x130 [ 715.442754] ? oom_reaper+0x12c/0x1160 [ 715.446644] ? __lock_is_held+0xb6/0x140 [ 715.455014] oom_reaper+0x246/0x1160 [ 715.458760] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 715.463260] ? trace_hardirqs_on+0x67/0x220 [ 715.467595] ? finish_wait+0x260/0x260 [ 715.471484] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 715.476584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.482114] ? __kthread_parkme+0xfb/0x1b0 [ 715.486346] kthread+0x354/0x420 [ 715.489705] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 715.494192] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 715.499745] ret_from_fork+0x24/0x30 [ 715.503492] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 715.503574] aoe: skb alloc failure [ 715.511303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.511309] Call Trace: [ 715.511316] [ 715.511339] dump_stack+0x197/0x210 [ 715.511355] warn_alloc.cold+0x7b/0x173 [ 715.511371] ? zone_watermark_ok_safe+0x260/0x260 [ 715.511387] ? __cpuset_node_allowed+0x136/0x540 [ 715.514958] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 715.524296] ? __isolate_free_page+0x4c0/0x4c0 [ 715.526849] oom_reaper cpuset=/ mems_allowed=0-1 [ 715.528990] ? wake_all_kswapds+0x14d/0x300 [ 715.569962] __alloc_pages_slowpath+0x2214/0x2870 [ 715.574818] ? warn_alloc+0x110/0x110 [ 715.578625] ? __lock_acquire+0x6ee/0x49c0 [ 715.582867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.588418] ? should_fail+0x14d/0x85c [ 715.592307] ? __isolate_free_page+0x4c0/0x4c0 [ 715.596889] __alloc_pages_nodemask+0x617/0x750 [ 715.601562] ? __alloc_pages_slowpath+0x2870/0x2870 [ 715.606626] ? find_held_lock+0x35/0x130 [ 715.610695] cache_grow_begin+0x91/0x8c0 [ 715.614770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.620323] ? __cpuset_node_allowed+0x136/0x540 [ 715.625105] fallback_alloc+0x1fd/0x2d0 [ 715.629106] ____cache_alloc_node+0x1be/0x1e0 [ 715.633605] kmem_cache_alloc_node+0xe3/0x710 [ 715.638096] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 715.642351] __alloc_skb+0xd5/0x5f0 [ 715.645975] ? skb_trim+0x190/0x190 [ 715.649597] ? kasan_check_read+0x11/0x20 [ 715.653748] ndisc_alloc_skb+0x13c/0x340 [ 715.657959] ndisc_send_rs+0x35f/0x6e0 [ 715.661869] addrconf_rs_timer+0x30f/0x680 [ 715.666226] ? ipv6_get_lladdr+0x490/0x490 [ 715.670471] call_timer_fn+0x18d/0x720 [ 715.674363] ? ipv6_get_lladdr+0x490/0x490 [ 715.678620] ? process_timeout+0x40/0x40 [ 715.682679] ? run_timer_softirq+0x644/0x16a0 [ 715.687200] ? trace_hardirqs_on+0x67/0x220 [ 715.691531] ? ipv6_get_lladdr+0x490/0x490 [ 715.695770] run_timer_softirq+0x64f/0x16a0 [ 715.700119] ? add_timer+0xbe0/0xbe0 [ 715.703850] ? __lock_is_held+0xb6/0x140 [ 715.707944] __do_softirq+0x25c/0x921 [ 715.711746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.717298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.722870] irq_exit+0x180/0x1d0 [ 715.726328] smp_apic_timer_interrupt+0x13b/0x550 [ 715.731473] apic_timer_interrupt+0xf/0x20 [ 715.735701] [ 715.737938] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 715.742990] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 715.761926] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 715.769668] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 715.776956] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 715.784255] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 715.791530] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 715.798817] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 715.806124] skb_clone+0x156/0x3e0 [ 715.809699] bpf_clone_redirect+0xb2/0x480 [ 715.813949] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 715.819095] ? 0xffffffff81000000 [ 715.822560] ? mark_held_locks+0x100/0x100 [ 715.826805] ? trace_hardirqs_on_caller+0x6a/0x220 [ 715.831787] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 715.836559] ? bpf_test_run+0x146/0x430 [ 715.840537] ? find_held_lock+0x35/0x130 [ 715.844727] ? bpf_test_run+0x146/0x430 [ 715.848725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.854292] ? check_preemption_disabled+0x48/0x290 [ 715.859319] ? lock_acquire+0x16f/0x3f0 [ 715.863436] ? kasan_check_read+0x11/0x20 [ 715.867608] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 715.872818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.878368] bpf_test_run+0x10d/0x430 [ 715.882184] bpf_prog_test_run_skb+0x64b/0xb20 [ 715.886773] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 715.891611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.897143] ? fput+0x128/0x1a0 [ 715.900418] ? __bpf_prog_get+0x97/0x290 [ 715.904647] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 715.909486] bpf_prog_test_run+0x129/0x1a0 [ 715.913718] __x64_sys_bpf+0x397/0x4c0 [ 715.917600] ? bpf_prog_get+0x20/0x20 [ 715.921402] ? do_syscall_64+0x26/0x620 [ 715.925374] ? lockdep_hardirqs_on+0x415/0x5d0 [ 715.929952] ? trace_hardirqs_on+0x67/0x220 [ 715.934281] do_syscall_64+0xfd/0x620 [ 715.938084] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.943267] RIP: 0033:0x45af49 [ 715.946468] Code: Bad RIP value. [ 715.949840] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 715.957540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 715.964802] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 715.972359] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 715.979642] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 715.986922] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 715.994394] warn_alloc_show_mem: 1 callbacks suppressed [ 715.994404] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 715.994406] Mem-Info: [ 715.994435] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 715.994435] active_file:13 inactive_file:11 isolated_file:0 [ 715.994435] unevictable:0 dirty:0 writeback:0 unstable:0 [ 715.994435] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 715.994435] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 715.994435] free:10923 free_pcp:135 free_cma:0 [ 716.000036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.000045] Call Trace: [ 716.007430] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 716.009837] [ 716.042906] Node 1 active_anon:1432kB 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 [ 716.052242] dump_stack+0x197/0x210 [ 716.054797] Node 0 DMA free:10256kB 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 [ 716.082207] warn_alloc.cold+0x7b/0x173 [ 716.084333] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 716.110368] ? zone_watermark_ok_safe+0x260/0x260 [ 716.113980] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 716.143453] ? __cpuset_node_allowed+0x136/0x540 [ 716.147502] lowmem_reserve[]: 0 0 1 1 1 [ 716.152560] ? __isolate_free_page+0x4c0/0x4c0 [ 716.157373] 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 [ 716.186015] ? wake_all_kswapds+0x14d/0x300 [ 716.190759] lowmem_reserve[]: 0 0 0 0 0 [ 716.194748] __alloc_pages_slowpath+0x2214/0x2870 [ 716.199303] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 716.225083] ? warn_alloc+0x110/0x110 [ 716.229361] lowmem_reserve[]: 0 0 0 0 0 [ 716.233965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.238793] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 716.266658] ? should_fail+0x14d/0x85c [ 716.270442] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 716.274416] ? __isolate_free_page+0x4c0/0x4c0 [ 716.279937] 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 [ 716.291730] __alloc_pages_nodemask+0x617/0x750 [ 716.295585] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 716.310497] ? __alloc_pages_slowpath+0x2870/0x2870 [ 716.315752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.326415] cache_grow_begin+0x91/0x8c0 [ 716.331062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.346154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.351159] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.360019] ? __cpuset_node_allowed+0x136/0x540 [ 716.364066] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.372645] fallback_alloc+0x1fd/0x2d0 [ 716.378173] 269 total pagecache pages [ 716.387016] ____cache_alloc_node+0x1be/0x1e0 [ 716.391747] 0 pages in swap cache [ 716.400309] kmem_cache_alloc_node+0xe3/0x710 [ 716.404255] Swap cache stats: add 0, delete 0, find 0/0 [ 716.404263] Free swap = 0kB [ 716.408076] __alloc_skb+0xd5/0x5f0 [ 716.412546] Total swap = 0kB [ 716.415994] ? skb_trim+0x190/0x190 [ 716.420477] 1965979 pages RAM [ 716.425834] ? check_preemption_disabled+0x48/0x290 [ 716.428824] 0 pages HighMem/MovableOnly [ 716.428831] 341723 pages reserved [ 716.432452] ? lock_acquire+0x16f/0x3f0 [ 716.435448] 0 pages cma reserved [ 716.435534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 716.439079] new_skb+0x28/0x1d0 [ 716.439092] aoecmd_cfg+0x1b5/0x640 [ 716.439109] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 716.442259] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 716.447225] ? timer_reduce+0x11d0/0x11d0 [ 716.451175] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 716.454639] discover_timer+0x4e/0x60 [ 716.503484] call_timer_fn+0x18d/0x720 [ 716.507368] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 716.512028] ? process_timeout+0x40/0x40 [ 716.516079] ? run_timer_softirq+0x644/0x16a0 [ 716.520628] ? trace_hardirqs_on+0x67/0x220 [ 716.524981] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 716.529671] run_timer_softirq+0x64f/0x16a0 [ 716.534012] ? add_timer+0xbe0/0xbe0 [ 716.537729] ? __lock_is_held+0xb6/0x140 [ 716.541799] __do_softirq+0x25c/0x921 [ 716.545621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.551158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.556708] irq_exit+0x180/0x1d0 [ 716.560164] smp_apic_timer_interrupt+0x13b/0x550 [ 716.565012] apic_timer_interrupt+0xf/0x20 [ 716.569245] [ 716.571489] RIP: 0010:smp_call_function_single+0x139/0x420 [ 716.577107] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 716.596013] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 716.603716] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 716.611064] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 716.618323] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 716.625932] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 716.633213] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 716.640491] ? smp_call_function_single+0x14c/0x420 [ 716.645515] ? smp_call_function_single+0x137/0x420 [ 716.650543] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 716.656353] ? generic_exec_single+0x490/0x490 [ 716.660927] ? __lock_acquire+0x6ee/0x49c0 [ 716.665153] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 716.670946] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 716.675998] ? find_next_and_bit+0x19a/0x200 [ 716.680406] smp_call_function_many+0x75f/0x8e0 [ 716.685072] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 716.690893] native_flush_tlb_others+0x81/0x420 [ 716.695579] flush_tlb_mm_range+0x21c/0x350 [ 716.699909] ? native_flush_tlb_others+0x420/0x420 [ 716.704848] ? lock_acquire+0x16f/0x3f0 [ 716.708825] ? kasan_check_write+0x14/0x20 [ 716.713058] flush_tlb_batched_pending+0x6e/0xb0 [ 716.717804] unmap_page_range+0x8b5/0x1fb0 [ 716.722044] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 716.726529] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 716.732061] ? kasan_check_write+0x14/0x20 [ 716.736290] __oom_reap_task_mm+0x1fb/0x3a0 [ 716.740605] ? process_shares_mm+0x130/0x130 [ 716.745019] ? oom_reaper+0x12c/0x1160 [ 716.748907] ? __lock_is_held+0xb6/0x140 [ 716.752971] oom_reaper+0x246/0x1160 [ 716.756687] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 716.761351] ? trace_hardirqs_on+0x67/0x220 [ 716.765665] ? finish_wait+0x260/0x260 [ 716.769547] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 716.774641] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 716.780178] ? __kthread_parkme+0xfb/0x1b0 [ 716.784415] kthread+0x354/0x420 [ 716.787783] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 716.792270] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 716.797798] ret_from_fork+0x24/0x30 [ 716.801527] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 716.801583] aoe: skb alloc failure [ 716.809333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.809338] Call Trace: [ 716.809343] [ 716.809361] dump_stack+0x197/0x210 [ 716.809379] warn_alloc.cold+0x7b/0x173 [ 716.809396] ? zone_watermark_ok_safe+0x260/0x260 [ 716.809411] ? __cpuset_node_allowed+0x136/0x540 [ 716.809431] ? __isolate_free_page+0x4c0/0x4c0 [ 716.809448] ? wake_all_kswapds+0x14d/0x300 [ 716.813000] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 716.822329] __alloc_pages_slowpath+0x2214/0x2870 [ 716.824884] oom_reaper cpuset=/ mems_allowed=0-1 [ 716.827044] ? warn_alloc+0x110/0x110 [ 716.876562] ? __lock_acquire+0x6ee/0x49c0 [ 716.880788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.886316] ? should_fail+0x14d/0x85c [ 716.890209] ? __isolate_free_page+0x4c0/0x4c0 [ 716.894791] __alloc_pages_nodemask+0x617/0x750 [ 716.899462] ? __alloc_pages_slowpath+0x2870/0x2870 [ 716.904476] ? find_held_lock+0x35/0x130 [ 716.908542] cache_grow_begin+0x91/0x8c0 [ 716.912606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.918133] ? __cpuset_node_allowed+0x136/0x540 [ 716.922883] fallback_alloc+0x1fd/0x2d0 [ 716.926853] ____cache_alloc_node+0x1be/0x1e0 [ 716.931342] kmem_cache_alloc_node+0xe3/0x710 [ 716.935838] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 716.940068] __alloc_skb+0xd5/0x5f0 [ 716.943698] ? skb_trim+0x190/0x190 [ 716.947316] ? kasan_check_read+0x11/0x20 [ 716.951465] ndisc_alloc_skb+0x13c/0x340 [ 716.955527] ndisc_send_rs+0x35f/0x6e0 [ 716.959410] addrconf_rs_timer+0x30f/0x680 [ 716.963644] ? ipv6_get_lladdr+0x490/0x490 [ 716.967878] call_timer_fn+0x18d/0x720 [ 716.971755] ? ipv6_get_lladdr+0x490/0x490 [ 716.975990] ? process_timeout+0x40/0x40 [ 716.980050] ? run_timer_softirq+0x644/0x16a0 [ 716.984540] ? trace_hardirqs_on+0x67/0x220 [ 716.988856] ? ipv6_get_lladdr+0x490/0x490 [ 716.993080] run_timer_softirq+0x64f/0x16a0 [ 716.997397] ? add_timer+0xbe0/0xbe0 [ 717.001101] ? __lock_is_held+0xb6/0x140 [ 717.005216] __do_softirq+0x25c/0x921 [ 717.009015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.014548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.020085] irq_exit+0x180/0x1d0 [ 717.023533] smp_apic_timer_interrupt+0x13b/0x550 [ 717.028369] apic_timer_interrupt+0xf/0x20 [ 717.032608] [ 717.034836] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 717.039847] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 717.058764] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 717.066468] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 717.073729] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 717.080989] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 717.088246] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 717.095504] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 717.102805] skb_clone+0x156/0x3e0 [ 717.106350] bpf_clone_redirect+0xb2/0x480 [ 717.110581] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 717.115588] ? 0xffffffff81000000 [ 717.119038] ? mark_held_locks+0x100/0x100 [ 717.123265] ? trace_hardirqs_on_caller+0x6a/0x220 [ 717.128189] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 717.133910] ? bpf_test_run+0x146/0x430 [ 717.138834] ? find_held_lock+0x35/0x130 [ 717.142901] ? bpf_test_run+0x146/0x430 [ 717.146880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.152420] ? check_preemption_disabled+0x48/0x290 [ 717.157522] ? lock_acquire+0x16f/0x3f0 [ 717.162454] ? kasan_check_read+0x11/0x20 [ 717.166679] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 717.171861] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.177403] bpf_test_run+0x10d/0x430 [ 717.181208] bpf_prog_test_run_skb+0x64b/0xb20 [ 717.185786] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 717.190617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 717.196144] ? fput+0x128/0x1a0 [ 717.199415] ? __bpf_prog_get+0x97/0x290 [ 717.203489] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 717.208453] bpf_prog_test_run+0x129/0x1a0 [ 717.212703] __x64_sys_bpf+0x397/0x4c0 [ 717.216602] ? bpf_prog_get+0x20/0x20 [ 717.220441] ? do_syscall_64+0x26/0x620 [ 717.224418] ? lockdep_hardirqs_on+0x415/0x5d0 [ 717.229008] ? trace_hardirqs_on+0x67/0x220 [ 717.233343] do_syscall_64+0xfd/0x620 [ 717.237146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.242327] RIP: 0033:0x45af49 [ 717.245521] Code: Bad RIP value. [ 717.248872] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 717.256568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 717.263915] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 717.271175] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 717.278434] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 717.285783] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 717.293076] warn_alloc_show_mem: 1 callbacks suppressed [ 717.293086] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 717.293088] Mem-Info: [ 717.293117] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 717.293117] active_file:13 inactive_file:11 isolated_file:0 [ 717.293117] unevictable:0 dirty:0 writeback:0 unstable:0 [ 717.293117] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 717.293117] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 717.293117] free:10923 free_pcp:135 free_cma:0 [ 717.299059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.299067] Call Trace: [ 717.306439] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 717.308841] [ 717.343215] Node 1 active_anon:1432kB 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 [ 717.352904] dump_stack+0x197/0x210 [ 717.355458] Node 0 DMA free:10256kB 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 [ 717.382877] warn_alloc.cold+0x7b/0x173 [ 717.385001] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 717.410935] ? zone_watermark_ok_safe+0x260/0x260 [ 717.414548] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 717.440652] ? __cpuset_node_allowed+0x136/0x540 [ 717.444611] lowmem_reserve[]: 0 0 1 1 1 [ 717.449628] ? __isolate_free_page+0x4c0/0x4c0 [ 717.454460] 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 [ 717.483100] ? wake_all_kswapds+0x14d/0x300 [ 717.487834] lowmem_reserve[]: 0 0 0 0 0 [ 717.491837] __alloc_pages_slowpath+0x2214/0x2870 [ 717.496392] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 717.522185] ? warn_alloc+0x110/0x110 [ 717.526464] lowmem_reserve[]: 0 0 0 0 0 [ 717.530441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.535603] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 717.563728] ? should_fail+0x14d/0x85c [ 717.567502] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 717.571472] ? __isolate_free_page+0x4c0/0x4c0 [ 717.576976] 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 [ 717.588774] __alloc_pages_nodemask+0x617/0x750 [ 717.592633] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 717.607393] ? __alloc_pages_slowpath+0x2870/0x2870 [ 717.611968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 717.622628] cache_grow_begin+0x91/0x8c0 [ 717.627356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 717.642439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.647448] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 717.656279] ? __cpuset_node_allowed+0x136/0x540 [ 717.660315] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 717.660323] 269 total pagecache pages [ 717.668899] fallback_alloc+0x1fd/0x2d0 [ 717.674414] 0 pages in swap cache [ 717.683333] ____cache_alloc_node+0x1be/0x1e0 [ 717.688077] Swap cache stats: add 0, delete 0, find 0/0 [ 717.696639] kmem_cache_alloc_node+0xe3/0x710 [ 717.700418] Free swap = 0kB [ 717.704392] __alloc_skb+0xd5/0x5f0 [ 717.707806] Total swap = 0kB [ 717.707815] 1965979 pages RAM [ 717.712303] ? skb_trim+0x190/0x190 [ 717.717643] 0 pages HighMem/MovableOnly [ 717.717651] 341723 pages reserved [ 717.722232] ? check_preemption_disabled+0x48/0x290 [ 717.725227] 0 pages cma reserved [ 717.728848] ? lock_acquire+0x16f/0x3f0 [ 717.731898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 717.734946] new_skb+0x28/0x1d0 [ 717.738616] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 717.742505] aoecmd_cfg+0x1b5/0x640 [ 717.745944] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 717.750954] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 717.792244] ? timer_reduce+0x11d0/0x11d0 [ 717.796394] discover_timer+0x4e/0x60 [ 717.800189] call_timer_fn+0x18d/0x720 [ 717.804068] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 717.808730] ? process_timeout+0x40/0x40 [ 717.812779] ? run_timer_softirq+0x644/0x16a0 [ 717.817270] ? trace_hardirqs_on+0x67/0x220 [ 717.821585] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 717.826264] run_timer_softirq+0x64f/0x16a0 [ 717.830599] ? add_timer+0xbe0/0xbe0 [ 717.834308] ? __lock_is_held+0xb6/0x140 [ 717.838416] __do_softirq+0x25c/0x921 [ 717.842218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.847747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.853284] irq_exit+0x180/0x1d0 [ 717.856736] smp_apic_timer_interrupt+0x13b/0x550 [ 717.861572] apic_timer_interrupt+0xf/0x20 [ 717.865803] [ 717.868035] RIP: 0010:smp_call_function_single+0x139/0x420 [ 717.873651] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 717.892553] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 717.900254] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 717.907521] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 717.914787] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 717.922054] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 717.929311] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 717.936602] ? smp_call_function_single+0x14c/0x420 [ 717.941615] ? smp_call_function_single+0x137/0x420 [ 717.946637] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 717.952431] ? generic_exec_single+0x490/0x490 [ 717.957012] ? __lock_acquire+0x6ee/0x49c0 [ 717.961240] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 717.967039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 717.974134] ? find_next_and_bit+0x19a/0x200 [ 717.978553] smp_call_function_many+0x75f/0x8e0 [ 717.983217] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 717.989013] native_flush_tlb_others+0x81/0x420 [ 717.993687] flush_tlb_mm_range+0x21c/0x350 [ 717.998014] ? native_flush_tlb_others+0x420/0x420 [ 718.002950] ? lock_acquire+0x16f/0x3f0 [ 718.006916] ? kasan_check_write+0x14/0x20 [ 718.011148] flush_tlb_batched_pending+0x6e/0xb0 [ 718.015895] unmap_page_range+0x8b5/0x1fb0 [ 718.020136] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 718.024624] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.030158] ? kasan_check_write+0x14/0x20 [ 718.034387] __oom_reap_task_mm+0x1fb/0x3a0 [ 718.038702] ? process_shares_mm+0x130/0x130 [ 718.043105] ? oom_reaper+0x12c/0x1160 [ 718.047261] ? __lock_is_held+0xb6/0x140 [ 718.051321] oom_reaper+0x246/0x1160 [ 718.055053] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 718.059539] ? trace_hardirqs_on+0x67/0x220 [ 718.063857] ? finish_wait+0x260/0x260 [ 718.067738] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 718.072830] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.078369] ? __kthread_parkme+0xfb/0x1b0 [ 718.082598] kthread+0x354/0x420 [ 718.085957] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 718.090443] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 718.095973] ret_from_fork+0x24/0x30 [ 718.099705] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 718.099763] aoe: skb alloc failure [ 718.107504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.107512] Call Trace: [ 718.111108] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 718.120405] [ 718.122981] oom_reaper cpuset=/ mems_allowed=0-1 [ 718.133207] dump_stack+0x197/0x210 [ 718.143691] warn_alloc.cold+0x7b/0x173 [ 718.147660] ? zone_watermark_ok_safe+0x260/0x260 [ 718.152494] ? __cpuset_node_allowed+0x136/0x540 [ 718.157249] ? __isolate_free_page+0x4c0/0x4c0 [ 718.161823] ? wake_all_kswapds+0x14d/0x300 [ 718.166152] __alloc_pages_slowpath+0x2214/0x2870 [ 718.171003] ? warn_alloc+0x110/0x110 [ 718.174795] ? __lock_acquire+0x6ee/0x49c0 [ 718.179021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.184551] ? should_fail+0x14d/0x85c [ 718.188443] ? __isolate_free_page+0x4c0/0x4c0 [ 718.193028] __alloc_pages_nodemask+0x617/0x750 [ 718.197695] ? __alloc_pages_slowpath+0x2870/0x2870 [ 718.202708] ? find_held_lock+0x35/0x130 [ 718.206763] cache_grow_begin+0x91/0x8c0 [ 718.210816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.216343] ? __cpuset_node_allowed+0x136/0x540 [ 718.221093] fallback_alloc+0x1fd/0x2d0 [ 718.225073] ____cache_alloc_node+0x1be/0x1e0 [ 718.229562] kmem_cache_alloc_node+0xe3/0x710 [ 718.234050] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 718.238285] __alloc_skb+0xd5/0x5f0 [ 718.241905] ? skb_trim+0x190/0x190 [ 718.245525] ? kasan_check_read+0x11/0x20 [ 718.249673] ndisc_alloc_skb+0x13c/0x340 [ 718.253728] ndisc_send_rs+0x35f/0x6e0 [ 718.257614] addrconf_rs_timer+0x30f/0x680 [ 718.261842] ? ipv6_get_lladdr+0x490/0x490 [ 718.266077] call_timer_fn+0x18d/0x720 [ 718.270065] ? ipv6_get_lladdr+0x490/0x490 [ 718.274426] ? process_timeout+0x40/0x40 [ 718.278771] ? run_timer_softirq+0x644/0x16a0 [ 718.283296] ? trace_hardirqs_on+0x67/0x220 [ 718.287631] ? ipv6_get_lladdr+0x490/0x490 [ 718.291881] run_timer_softirq+0x64f/0x16a0 [ 718.296204] ? add_timer+0xbe0/0xbe0 [ 718.299929] ? __lock_is_held+0xb6/0x140 [ 718.304021] __do_softirq+0x25c/0x921 [ 718.307816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.313354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.318908] irq_exit+0x180/0x1d0 [ 718.322372] smp_apic_timer_interrupt+0x13b/0x550 [ 718.327214] apic_timer_interrupt+0xf/0x20 [ 718.331466] [ 718.333972] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 718.338901] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 718.357814] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 718.365520] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 718.372784] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 718.380053] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 718.387313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 718.394574] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 718.401884] skb_clone+0x156/0x3e0 [ 718.405428] bpf_clone_redirect+0xb2/0x480 [ 718.409660] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 718.414668] ? 0xffffffff81000000 [ 718.418134] ? mark_held_locks+0x100/0x100 [ 718.422363] ? trace_hardirqs_on_caller+0x6a/0x220 [ 718.427289] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 718.432051] ? bpf_test_run+0x146/0x430 [ 718.436029] ? find_held_lock+0x35/0x130 [ 718.440084] ? bpf_test_run+0x146/0x430 [ 718.444069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.449597] ? check_preemption_disabled+0x48/0x290 [ 718.454621] ? lock_acquire+0x16f/0x3f0 [ 718.458602] ? kasan_check_read+0x11/0x20 [ 718.462746] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 718.467931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.473461] bpf_test_run+0x10d/0x430 [ 718.477265] bpf_prog_test_run_skb+0x64b/0xb20 [ 718.481846] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 718.486700] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.492269] ? fput+0x128/0x1a0 [ 718.495552] ? __bpf_prog_get+0x97/0x290 [ 718.499621] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 718.504470] bpf_prog_test_run+0x129/0x1a0 [ 718.508741] __x64_sys_bpf+0x397/0x4c0 [ 718.512650] ? bpf_prog_get+0x20/0x20 [ 718.516457] ? do_syscall_64+0x26/0x620 [ 718.520441] ? lockdep_hardirqs_on+0x415/0x5d0 [ 718.525029] ? trace_hardirqs_on+0x67/0x220 [ 718.529433] do_syscall_64+0xfd/0x620 [ 718.533234] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.538414] RIP: 0033:0x45af49 [ 718.541611] Code: Bad RIP value. [ 718.544968] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 718.552683] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 718.559943] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 718.567315] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 718.574576] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 718.581837] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 718.589113] warn_alloc_show_mem: 1 callbacks suppressed [ 718.589123] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 718.589125] Mem-Info: [ 718.589153] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 718.589153] active_file:13 inactive_file:11 isolated_file:0 [ 718.589153] unevictable:0 dirty:0 writeback:0 unstable:0 [ 718.589153] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 718.589153] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 718.589153] free:10923 free_pcp:135 free_cma:0 [ 718.594495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.594503] Call Trace: [ 718.601866] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 718.604260] [ 718.637426] Node 1 active_anon:1432kB 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 [ 718.646768] dump_stack+0x197/0x210 [ 718.649327] Node 0 DMA free:10256kB 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 [ 718.676943] warn_alloc.cold+0x7b/0x173 [ 718.679078] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 718.705023] ? zone_watermark_ok_safe+0x260/0x260 [ 718.708645] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 718.734751] ? __cpuset_node_allowed+0x136/0x540 [ 718.738698] lowmem_reserve[]: 0 0 1 1 1 [ 718.743735] ? __isolate_free_page+0x4c0/0x4c0 [ 718.748551] 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 [ 718.777175] ? wake_all_kswapds+0x14d/0x300 [ 718.781907] lowmem_reserve[]: 0 0 0 0 0 [ 718.785897] __alloc_pages_slowpath+0x2214/0x2870 [ 718.790445] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 718.817590] ? warn_alloc+0x110/0x110 [ 718.821960] lowmem_reserve[]: 0 0 0 0 0 [ 718.825958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 718.831746] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 718.859608] ? should_fail+0x14d/0x85c [ 718.863377] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 718.867364] ? __isolate_free_page+0x4c0/0x4c0 [ 718.872866] 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 [ 718.884673] __alloc_pages_nodemask+0x617/0x750 [ 718.888535] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 718.903283] ? __alloc_pages_slowpath+0x2870/0x2870 [ 718.907849] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 718.918505] cache_grow_begin+0x91/0x8c0 [ 718.923144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 718.938305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.943300] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 718.952120] ? __cpuset_node_allowed+0x136/0x540 [ 718.956164] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 718.964730] fallback_alloc+0x1fd/0x2d0 [ 718.970240] 269 total pagecache pages [ 718.979085] ____cache_alloc_node+0x1be/0x1e0 [ 718.983817] 0 pages in swap cache [ 718.992412] kmem_cache_alloc_node+0xe3/0x710 [ 718.996363] Swap cache stats: add 0, delete 0, find 0/0 [ 718.996371] Free swap = 0kB [ 719.000183] __alloc_skb+0xd5/0x5f0 [ 719.004645] Total swap = 0kB [ 719.004654] 1965979 pages RAM [ 719.008097] ? skb_trim+0x190/0x190 [ 719.012561] 0 pages HighMem/MovableOnly [ 719.012568] 341723 pages reserved [ 719.017922] ? check_preemption_disabled+0x48/0x290 [ 719.020913] 0 pages cma reserved [ 719.024541] ? lock_acquire+0x16f/0x3f0 [ 719.027588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 719.030640] new_skb+0x28/0x1d0 [ 719.034509] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.038225] aoecmd_cfg+0x1b5/0x640 [ 719.041654] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 719.046662] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 719.087534] ? timer_reduce+0x11d0/0x11d0 [ 719.091681] discover_timer+0x4e/0x60 [ 719.095473] call_timer_fn+0x18d/0x720 [ 719.099351] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 719.104010] ? process_timeout+0x40/0x40 [ 719.108169] ? run_timer_softirq+0x644/0x16a0 [ 719.112668] ? trace_hardirqs_on+0x67/0x220 [ 719.116983] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 719.121644] run_timer_softirq+0x64f/0x16a0 [ 719.125978] ? add_timer+0xbe0/0xbe0 [ 719.129685] ? __lock_is_held+0xb6/0x140 [ 719.133748] __do_softirq+0x25c/0x921 [ 719.137555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.143083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.148622] irq_exit+0x180/0x1d0 [ 719.152071] smp_apic_timer_interrupt+0x13b/0x550 [ 719.156909] apic_timer_interrupt+0xf/0x20 [ 719.161138] [ 719.163369] RIP: 0010:smp_call_function_single+0x139/0x420 [ 719.168985] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 719.187897] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 719.195633] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 719.202899] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 719.210162] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 719.217420] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 719.224682] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 719.231965] ? smp_call_function_single+0x14c/0x420 [ 719.236974] ? smp_call_function_single+0x137/0x420 [ 719.241987] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 719.247788] ? generic_exec_single+0x490/0x490 [ 719.252376] ? __lock_acquire+0x6ee/0x49c0 [ 719.256603] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 719.262402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 719.274458] ? find_next_and_bit+0x19a/0x200 [ 719.278868] smp_call_function_many+0x75f/0x8e0 [ 719.283533] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 719.289334] native_flush_tlb_others+0x81/0x420 [ 719.293997] flush_tlb_mm_range+0x21c/0x350 [ 719.298311] ? native_flush_tlb_others+0x420/0x420 [ 719.303236] ? lock_acquire+0x16f/0x3f0 [ 719.307207] ? kasan_check_write+0x14/0x20 [ 719.311434] flush_tlb_batched_pending+0x6e/0xb0 [ 719.316202] unmap_page_range+0x8b5/0x1fb0 [ 719.320442] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 719.324940] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.330471] ? kasan_check_write+0x14/0x20 [ 719.334703] __oom_reap_task_mm+0x1fb/0x3a0 [ 719.339090] ? process_shares_mm+0x130/0x130 [ 719.343628] ? oom_reaper+0x12c/0x1160 [ 719.347614] ? __lock_is_held+0xb6/0x140 [ 719.351679] oom_reaper+0x246/0x1160 [ 719.355394] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 719.359904] ? trace_hardirqs_on+0x67/0x220 [ 719.364243] ? finish_wait+0x260/0x260 [ 719.368130] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 719.373233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.378780] ? __kthread_parkme+0xfb/0x1b0 [ 719.383015] kthread+0x354/0x420 [ 719.386376] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 719.393640] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 719.399207] ret_from_fork+0x24/0x30 [ 719.402940] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 719.402993] aoe: skb alloc failure [ 719.410742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.410747] Call Trace: [ 719.410753] [ 719.410769] dump_stack+0x197/0x210 [ 719.410786] warn_alloc.cold+0x7b/0x173 [ 719.414351] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 719.423682] ? zone_watermark_ok_safe+0x260/0x260 [ 719.426237] oom_reaper cpuset=/ mems_allowed=0-1 [ 719.428379] ? __cpuset_node_allowed+0x136/0x540 [ 719.460459] ? __isolate_free_page+0x4c0/0x4c0 [ 719.465032] ? wake_all_kswapds+0x14d/0x300 [ 719.469372] __alloc_pages_slowpath+0x2214/0x2870 [ 719.474224] ? warn_alloc+0x110/0x110 [ 719.478108] ? __lock_acquire+0x6ee/0x49c0 [ 719.482334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 719.487862] ? should_fail+0x14d/0x85c [ 719.491754] ? __isolate_free_page+0x4c0/0x4c0 [ 719.496340] __alloc_pages_nodemask+0x617/0x750 [ 719.501157] ? __alloc_pages_slowpath+0x2870/0x2870 [ 719.506280] ? find_held_lock+0x35/0x130 [ 719.510361] cache_grow_begin+0x91/0x8c0 [ 719.514442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.519978] ? __cpuset_node_allowed+0x136/0x540 [ 719.524735] fallback_alloc+0x1fd/0x2d0 [ 719.528709] ____cache_alloc_node+0x1be/0x1e0 [ 719.533197] kmem_cache_alloc_node+0xe3/0x710 [ 719.537684] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 719.541939] __alloc_skb+0xd5/0x5f0 [ 719.545570] ? skb_trim+0x190/0x190 [ 719.549195] ? kasan_check_read+0x11/0x20 [ 719.553349] ndisc_alloc_skb+0x13c/0x340 [ 719.557408] ndisc_send_rs+0x35f/0x6e0 [ 719.561293] addrconf_rs_timer+0x30f/0x680 [ 719.565529] ? ipv6_get_lladdr+0x490/0x490 [ 719.569766] call_timer_fn+0x18d/0x720 [ 719.573646] ? ipv6_get_lladdr+0x490/0x490 [ 719.577878] ? process_timeout+0x40/0x40 [ 719.581935] ? run_timer_softirq+0x644/0x16a0 [ 719.586447] ? trace_hardirqs_on+0x67/0x220 [ 719.590762] ? ipv6_get_lladdr+0x490/0x490 [ 719.594987] run_timer_softirq+0x64f/0x16a0 [ 719.599304] ? add_timer+0xbe0/0xbe0 [ 719.603010] ? __lock_is_held+0xb6/0x140 [ 719.607073] __do_softirq+0x25c/0x921 [ 719.610866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.616393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.622107] irq_exit+0x180/0x1d0 [ 719.625554] smp_apic_timer_interrupt+0x13b/0x550 [ 719.630404] apic_timer_interrupt+0xf/0x20 [ 719.634627] [ 719.636857] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 719.641782] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 719.660672] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 719.668368] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 719.675639] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 719.682986] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 719.690246] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 719.697517] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 719.704804] skb_clone+0x156/0x3e0 [ 719.708342] bpf_clone_redirect+0xb2/0x480 [ 719.712580] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 719.717593] ? 0xffffffff81000000 [ 719.721047] ? mark_held_locks+0x100/0x100 [ 719.725272] ? trace_hardirqs_on_caller+0x6a/0x220 [ 719.730316] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 719.735089] ? bpf_test_run+0x146/0x430 [ 719.739080] ? find_held_lock+0x35/0x130 [ 719.743155] ? bpf_test_run+0x146/0x430 [ 719.747136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.752690] ? check_preemption_disabled+0x48/0x290 [ 719.757707] ? lock_acquire+0x16f/0x3f0 [ 719.761678] ? kasan_check_read+0x11/0x20 [ 719.765835] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 719.771030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.776746] bpf_test_run+0x10d/0x430 [ 719.780549] bpf_prog_test_run_skb+0x64b/0xb20 [ 719.785128] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 719.789971] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.795501] ? fput+0x128/0x1a0 [ 719.798783] ? __bpf_prog_get+0x97/0x290 [ 719.802833] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 719.807670] bpf_prog_test_run+0x129/0x1a0 [ 719.811900] __x64_sys_bpf+0x397/0x4c0 [ 719.815781] ? bpf_prog_get+0x20/0x20 [ 719.819582] ? do_syscall_64+0x26/0x620 [ 719.823547] ? lockdep_hardirqs_on+0x415/0x5d0 [ 719.828121] ? trace_hardirqs_on+0x67/0x220 [ 719.832439] do_syscall_64+0xfd/0x620 [ 719.836235] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.841423] RIP: 0033:0x45af49 [ 719.844618] Code: Bad RIP value. [ 719.847966] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 719.855674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 719.862931] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 719.870202] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 719.877461] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 719.884720] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 719.892012] warn_alloc_show_mem: 1 callbacks suppressed [ 719.892023] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 719.892025] Mem-Info: [ 719.892055] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 719.892055] active_file:13 inactive_file:11 isolated_file:0 [ 719.892055] unevictable:0 dirty:0 writeback:0 unstable:0 [ 719.892055] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 719.892055] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 719.892055] free:10923 free_pcp:135 free_cma:0 [ 719.897396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.897406] Call Trace: [ 719.904787] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 719.907203] [ 719.940261] Node 1 active_anon:1432kB 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 [ 719.949595] dump_stack+0x197/0x210 [ 719.952160] Node 0 DMA free:10256kB 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 [ 719.979580] warn_alloc.cold+0x7b/0x173 [ 719.981702] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 720.007640] ? zone_watermark_ok_safe+0x260/0x260 [ 720.011238] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 720.037427] ? __cpuset_node_allowed+0x136/0x540 [ 720.041374] lowmem_reserve[]: 0 0 1 1 1 [ 720.046389] ? __isolate_free_page+0x4c0/0x4c0 [ 720.051201] 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 [ 720.079826] ? wake_all_kswapds+0x14d/0x300 [ 720.084551] lowmem_reserve[]: 0 0 0 0 0 [ 720.088530] __alloc_pages_slowpath+0x2214/0x2870 [ 720.093082] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 720.118866] ? warn_alloc+0x110/0x110 [ 720.123140] lowmem_reserve[]: 0 0 0 0 0 [ 720.127113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.131939] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 720.159782] ? should_fail+0x14d/0x85c [ 720.163567] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 720.167538] ? __isolate_free_page+0x4c0/0x4c0 [ 720.173052] 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 [ 720.184851] __alloc_pages_nodemask+0x617/0x750 [ 720.188705] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 720.203449] ? __alloc_pages_slowpath+0x2870/0x2870 [ 720.208012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 720.218666] cache_grow_begin+0x91/0x8c0 [ 720.224094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 720.239167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.244160] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 720.252986] ? __cpuset_node_allowed+0x136/0x540 [ 720.257026] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 720.265605] fallback_alloc+0x1fd/0x2d0 [ 720.271134] 269 total pagecache pages [ 720.279984] ____cache_alloc_node+0x1be/0x1e0 [ 720.284717] 0 pages in swap cache [ 720.294423] kmem_cache_alloc_node+0xe3/0x710 [ 720.298373] Swap cache stats: add 0, delete 0, find 0/0 [ 720.303143] __alloc_skb+0xd5/0x5f0 [ 720.307603] Free swap = 0kB [ 720.311049] ? skb_trim+0x190/0x190 [ 720.315546] Total swap = 0kB [ 720.323357] ? check_preemption_disabled+0x48/0x290 [ 720.326957] 1965979 pages RAM [ 720.329986] ? lock_acquire+0x16f/0x3f0 [ 720.333592] 0 pages HighMem/MovableOnly [ 720.336614] new_skb+0x28/0x1d0 [ 720.341593] 341723 pages reserved [ 720.341601] 0 pages cma reserved [ 720.344699] aoecmd_cfg+0x1b5/0x640 [ 720.348713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 720.352611] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 720.355921] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 720.359314] ? timer_reduce+0x11d0/0x11d0 [ 720.362652] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 720.366277] discover_timer+0x4e/0x60 [ 720.400865] call_timer_fn+0x18d/0x720 [ 720.404755] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 720.409423] ? process_timeout+0x40/0x40 [ 720.413484] ? run_timer_softirq+0x644/0x16a0 [ 720.417983] ? trace_hardirqs_on+0x67/0x220 [ 720.422300] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 720.426980] run_timer_softirq+0x64f/0x16a0 [ 720.431341] ? add_timer+0xbe0/0xbe0 [ 720.435061] ? __lock_is_held+0xb6/0x140 [ 720.439135] __do_softirq+0x25c/0x921 [ 720.442940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.448474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.454030] irq_exit+0x180/0x1d0 [ 720.457489] smp_apic_timer_interrupt+0x13b/0x550 [ 720.462331] apic_timer_interrupt+0xf/0x20 [ 720.466639] [ 720.468872] RIP: 0010:smp_call_function_single+0x139/0x420 [ 720.474489] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 720.494335] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 720.502039] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 720.509300] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 720.516591] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 720.525598] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 720.532949] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 720.540253] ? smp_call_function_single+0x14c/0x420 [ 720.545273] ? smp_call_function_single+0x137/0x420 [ 720.550293] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 720.556103] ? generic_exec_single+0x490/0x490 [ 720.560677] ? __lock_acquire+0x6ee/0x49c0 [ 720.564906] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 720.570700] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 720.575710] ? find_next_and_bit+0x19a/0x200 [ 720.580136] smp_call_function_many+0x75f/0x8e0 [ 720.584814] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 720.590628] native_flush_tlb_others+0x81/0x420 [ 720.595320] flush_tlb_mm_range+0x21c/0x350 [ 720.599644] ? native_flush_tlb_others+0x420/0x420 [ 720.604571] ? lock_acquire+0x16f/0x3f0 [ 720.608553] ? kasan_check_write+0x14/0x20 [ 720.612793] flush_tlb_batched_pending+0x6e/0xb0 [ 720.617543] unmap_page_range+0x8b5/0x1fb0 [ 720.621784] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 720.626269] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 720.631799] ? kasan_check_write+0x14/0x20 [ 720.636046] __oom_reap_task_mm+0x1fb/0x3a0 [ 720.640365] ? process_shares_mm+0x130/0x130 [ 720.644864] ? oom_reaper+0x12c/0x1160 [ 720.648758] ? __lock_is_held+0xb6/0x140 [ 720.652819] oom_reaper+0x246/0x1160 [ 720.656536] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 720.661028] ? trace_hardirqs_on+0x67/0x220 [ 720.665343] ? finish_wait+0x260/0x260 [ 720.669227] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 720.674327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 720.679853] ? __kthread_parkme+0xfb/0x1b0 [ 720.684089] kthread+0x354/0x420 [ 720.687447] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 720.692025] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 720.697559] ret_from_fork+0x24/0x30 [ 720.701281] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 720.701341] aoe: skb alloc failure [ 720.709109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.709114] Call Trace: [ 720.709120] [ 720.709137] dump_stack+0x197/0x210 [ 720.709154] warn_alloc.cold+0x7b/0x173 [ 720.712701] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 720.722027] ? zone_watermark_ok_safe+0x260/0x260 [ 720.724604] oom_reaper cpuset=/ mems_allowed=0-1 [ 720.727024] ? __cpuset_node_allowed+0x136/0x540 [ 720.761326] ? __isolate_free_page+0x4c0/0x4c0 [ 720.765910] ? wake_all_kswapds+0x14d/0x300 [ 720.770235] __alloc_pages_slowpath+0x2214/0x2870 [ 720.775089] ? warn_alloc+0x110/0x110 [ 720.778885] ? __lock_acquire+0x6ee/0x49c0 [ 720.783113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.788643] ? should_fail+0x14d/0x85c [ 720.792526] ? __isolate_free_page+0x4c0/0x4c0 [ 720.797136] __alloc_pages_nodemask+0x617/0x750 [ 720.801825] ? __alloc_pages_slowpath+0x2870/0x2870 [ 720.806863] ? find_held_lock+0x35/0x130 [ 720.810948] cache_grow_begin+0x91/0x8c0 [ 720.815048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.820588] ? __cpuset_node_allowed+0x136/0x540 [ 720.825350] fallback_alloc+0x1fd/0x2d0 [ 720.829365] ____cache_alloc_node+0x1be/0x1e0 [ 720.833873] kmem_cache_alloc_node+0xe3/0x710 [ 720.838369] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 720.842611] __alloc_skb+0xd5/0x5f0 [ 720.846236] ? skb_trim+0x190/0x190 [ 720.849853] ? kasan_check_read+0x11/0x20 [ 720.854012] ndisc_alloc_skb+0x13c/0x340 [ 720.859196] ndisc_send_rs+0x35f/0x6e0 [ 720.863083] addrconf_rs_timer+0x30f/0x680 [ 720.867313] ? ipv6_get_lladdr+0x490/0x490 [ 720.871547] call_timer_fn+0x18d/0x720 [ 720.875426] ? ipv6_get_lladdr+0x490/0x490 [ 720.879650] ? process_timeout+0x40/0x40 [ 720.883703] ? run_timer_softirq+0x644/0x16a0 [ 720.888192] ? trace_hardirqs_on+0x67/0x220 [ 720.892512] ? ipv6_get_lladdr+0x490/0x490 [ 720.896743] run_timer_softirq+0x64f/0x16a0 [ 720.901061] ? add_timer+0xbe0/0xbe0 [ 720.904767] ? __lock_is_held+0xb6/0x140 [ 720.908830] __do_softirq+0x25c/0x921 [ 720.912631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.918166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.923704] irq_exit+0x180/0x1d0 [ 720.927160] smp_apic_timer_interrupt+0x13b/0x550 [ 720.931997] apic_timer_interrupt+0xf/0x20 [ 720.936219] [ 720.938448] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 720.943376] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 720.962286] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 720.970178] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 720.977607] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 720.984878] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 720.992138] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 720.999410] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 721.006709] skb_clone+0x156/0x3e0 [ 721.010350] bpf_clone_redirect+0xb2/0x480 [ 721.014583] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 721.019598] ? 0xffffffff81000000 [ 721.023052] ? mark_held_locks+0x100/0x100 [ 721.027282] ? trace_hardirqs_on_caller+0x6a/0x220 [ 721.032207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 721.036976] ? bpf_test_run+0x146/0x430 [ 721.040957] ? find_held_lock+0x35/0x130 [ 721.045294] ? bpf_test_run+0x146/0x430 [ 721.049614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.055145] ? check_preemption_disabled+0x48/0x290 [ 721.060156] ? lock_acquire+0x16f/0x3f0 [ 721.064128] ? kasan_check_read+0x11/0x20 [ 721.068271] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 721.073456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.078982] bpf_test_run+0x10d/0x430 [ 721.082795] bpf_prog_test_run_skb+0x64b/0xb20 [ 721.087377] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 721.092211] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.097746] ? fput+0x128/0x1a0 [ 721.101540] ? __bpf_prog_get+0x97/0x290 [ 721.105600] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 721.110434] bpf_prog_test_run+0x129/0x1a0 [ 721.114663] __x64_sys_bpf+0x397/0x4c0 [ 721.118546] ? bpf_prog_get+0x20/0x20 [ 721.122348] ? do_syscall_64+0x26/0x620 [ 721.126316] ? lockdep_hardirqs_on+0x415/0x5d0 [ 721.130890] ? trace_hardirqs_on+0x67/0x220 [ 721.135208] do_syscall_64+0xfd/0x620 [ 721.139005] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 721.144185] RIP: 0033:0x45af49 [ 721.147389] Code: Bad RIP value. [ 721.150754] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 721.158496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 721.165761] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 721.173022] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 721.180286] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 721.187571] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 721.194849] warn_alloc_show_mem: 1 callbacks suppressed [ 721.194859] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 721.194861] Mem-Info: [ 721.194890] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 721.194890] active_file:13 inactive_file:11 isolated_file:0 [ 721.194890] unevictable:0 dirty:0 writeback:0 unstable:0 [ 721.194890] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 721.194890] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 721.194890] free:10923 free_pcp:135 free_cma:0 [ 721.200242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.207605] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 721.209999] Call Trace: [ 721.243064] Node 1 active_anon:1432kB 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 [ 721.252394] [ 721.279788] Node 0 DMA free:10256kB 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 [ 721.282373] dump_stack+0x197/0x210 [ 721.308793] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 721.310958] warn_alloc.cold+0x7b/0x173 [ 721.337063] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 721.340733] ? zone_watermark_ok_safe+0x260/0x260 [ 721.345725] lowmem_reserve[]: 0 0 1 1 1 [ 721.349711] ? __cpuset_node_allowed+0x136/0x540 [ 721.378408] 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 [ 721.383256] ? __isolate_free_page+0x4c0/0x4c0 [ 721.387196] lowmem_reserve[]: 0 0 0 0 0 [ 721.391951] ? wake_all_kswapds+0x14d/0x300 [ 721.417699] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 721.422322] __alloc_pages_slowpath+0x2214/0x2870 [ 721.426269] lowmem_reserve[]: 0 0 0 0 0 [ 721.430615] ? warn_alloc+0x110/0x110 [ 721.458455] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 721.463321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.467263] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 721.471064] ? should_fail+0x14d/0x85c [ 721.482919] 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 [ 721.488455] ? __isolate_free_page+0x4c0/0x4c0 [ 721.503327] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 721.507240] __alloc_pages_nodemask+0x617/0x750 [ 721.517879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.522454] ? __alloc_pages_slowpath+0x2870/0x2870 [ 721.537510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.537523] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.542208] cache_grow_begin+0x91/0x8c0 [ 721.551093] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.556096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.564648] 269 total pagecache pages [ 721.564662] 0 pages in swap cache [ 721.573494] ? __cpuset_node_allowed+0x136/0x540 [ 721.577531] Swap cache stats: add 0, delete 0, find 0/0 [ 721.586104] fallback_alloc+0x1fd/0x2d0 [ 721.591610] Free swap = 0kB [ 721.591617] Total swap = 0kB [ 721.595426] ____cache_alloc_node+0x1be/0x1e0 [ 721.598849] 1965979 pages RAM [ 721.603606] kmem_cache_alloc_node+0xe3/0x710 [ 721.608940] 0 pages HighMem/MovableOnly [ 721.608947] 341723 pages reserved [ 721.612936] __alloc_skb+0xd5/0x5f0 [ 721.615942] 0 pages cma reserved [ 721.618967] ? skb_trim+0x190/0x190 [ 721.623497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 721.626536] ? check_preemption_disabled+0x48/0x290 [ 721.631096] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 721.635071] ? lock_acquire+0x16f/0x3f0 [ 721.638509] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 721.642135] new_skb+0x28/0x1d0 [ 721.683703] aoecmd_cfg+0x1b5/0x640 [ 721.687324] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 721.691668] ? timer_reduce+0x11d0/0x11d0 [ 721.695817] discover_timer+0x4e/0x60 [ 721.699613] call_timer_fn+0x18d/0x720 [ 721.703495] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 721.708167] ? process_timeout+0x40/0x40 [ 721.712226] ? run_timer_softirq+0x644/0x16a0 [ 721.716720] ? trace_hardirqs_on+0x67/0x220 [ 721.721045] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 721.725708] run_timer_softirq+0x64f/0x16a0 [ 721.730030] ? add_timer+0xbe0/0xbe0 [ 721.733751] ? __lock_is_held+0xb6/0x140 [ 721.737816] __do_softirq+0x25c/0x921 [ 721.741609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.747149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.752702] irq_exit+0x180/0x1d0 [ 721.756152] smp_apic_timer_interrupt+0x13b/0x550 [ 721.760997] apic_timer_interrupt+0xf/0x20 [ 721.765220] [ 721.767457] RIP: 0010:smp_call_function_single+0x139/0x420 [ 721.773101] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 721.791994] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 721.799695] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 721.806979] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 721.814241] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 721.821500] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 721.828760] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 721.836038] ? smp_call_function_single+0x14c/0x420 [ 721.841082] ? smp_call_function_single+0x137/0x420 [ 721.846098] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 721.851906] ? generic_exec_single+0x490/0x490 [ 721.856480] ? __lock_acquire+0x6ee/0x49c0 [ 721.860753] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 721.866626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 721.872107] ? find_next_and_bit+0x19a/0x200 [ 721.876525] smp_call_function_many+0x75f/0x8e0 [ 721.881322] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 721.887162] native_flush_tlb_others+0x81/0x420 [ 721.891883] flush_tlb_mm_range+0x21c/0x350 [ 721.896204] ? native_flush_tlb_others+0x420/0x420 [ 721.901163] ? lock_acquire+0x16f/0x3f0 [ 721.905142] ? kasan_check_write+0x14/0x20 [ 721.909388] flush_tlb_batched_pending+0x6e/0xb0 [ 721.914152] unmap_page_range+0x8b5/0x1fb0 [ 721.918406] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 721.922893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.928426] ? kasan_check_write+0x14/0x20 [ 721.932666] __oom_reap_task_mm+0x1fb/0x3a0 [ 721.936986] ? process_shares_mm+0x130/0x130 [ 721.941390] ? oom_reaper+0x12c/0x1160 [ 721.945276] ? __lock_is_held+0xb6/0x140 [ 721.949339] oom_reaper+0x246/0x1160 [ 721.953055] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 721.957544] ? trace_hardirqs_on+0x67/0x220 [ 721.961859] ? finish_wait+0x260/0x260 [ 721.965745] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 721.970856] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 721.976389] ? __kthread_parkme+0xfb/0x1b0 [ 721.980621] kthread+0x354/0x420 [ 721.983980] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 721.988466] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 721.994000] ret_from_fork+0x24/0x30 [ 721.997736] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 721.997803] aoe: skb alloc failure [ 722.005532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.005540] Call Trace: [ 722.009130] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 722.018404] [ 722.020991] oom_reaper cpuset=/ mems_allowed=0-1 [ 722.031231] dump_stack+0x197/0x210 [ 722.041791] warn_alloc.cold+0x7b/0x173 [ 722.045779] ? zone_watermark_ok_safe+0x260/0x260 [ 722.050623] ? __cpuset_node_allowed+0x136/0x540 [ 722.055387] ? __isolate_free_page+0x4c0/0x4c0 [ 722.059971] ? wake_all_kswapds+0x14d/0x300 [ 722.064298] __alloc_pages_slowpath+0x2214/0x2870 [ 722.069151] ? warn_alloc+0x110/0x110 [ 722.073050] ? __lock_acquire+0x6ee/0x49c0 [ 722.077279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.082810] ? should_fail+0x14d/0x85c [ 722.086709] ? __isolate_free_page+0x4c0/0x4c0 [ 722.091309] __alloc_pages_nodemask+0x617/0x750 [ 722.095987] ? __alloc_pages_slowpath+0x2870/0x2870 [ 722.101006] ? find_held_lock+0x35/0x130 [ 722.105078] cache_grow_begin+0x91/0x8c0 [ 722.109160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.114693] ? __cpuset_node_allowed+0x136/0x540 [ 722.119445] fallback_alloc+0x1fd/0x2d0 [ 722.123514] ____cache_alloc_node+0x1be/0x1e0 [ 722.128627] kmem_cache_alloc_node+0xe3/0x710 [ 722.133125] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 722.137361] __alloc_skb+0xd5/0x5f0 [ 722.140985] ? skb_trim+0x190/0x190 [ 722.144611] ? kasan_check_read+0x11/0x20 [ 722.148760] ndisc_alloc_skb+0x13c/0x340 [ 722.152907] ndisc_send_rs+0x35f/0x6e0 [ 722.156792] addrconf_rs_timer+0x30f/0x680 [ 722.162415] ? ipv6_get_lladdr+0x490/0x490 [ 722.166661] call_timer_fn+0x18d/0x720 [ 722.170542] ? ipv6_get_lladdr+0x490/0x490 [ 722.174771] ? process_timeout+0x40/0x40 [ 722.178822] ? run_timer_softirq+0x644/0x16a0 [ 722.183316] ? trace_hardirqs_on+0x67/0x220 [ 722.187637] ? ipv6_get_lladdr+0x490/0x490 [ 722.191864] run_timer_softirq+0x64f/0x16a0 [ 722.196193] ? add_timer+0xbe0/0xbe0 [ 722.199902] ? __lock_is_held+0xb6/0x140 [ 722.203965] __do_softirq+0x25c/0x921 [ 722.207756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.213295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.218835] irq_exit+0x180/0x1d0 [ 722.222283] smp_apic_timer_interrupt+0x13b/0x550 [ 722.227121] apic_timer_interrupt+0xf/0x20 [ 722.231345] [ 722.233574] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 722.238501] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 722.257396] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 722.265102] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 722.272365] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 722.279634] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 722.286897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 722.294158] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 722.301446] skb_clone+0x156/0x3e0 [ 722.304989] bpf_clone_redirect+0xb2/0x480 [ 722.309223] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 722.314231] ? 0xffffffff81000000 [ 722.317684] ? mark_held_locks+0x100/0x100 [ 722.322170] ? trace_hardirqs_on_caller+0x6a/0x220 [ 722.327108] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 722.331870] ? bpf_test_run+0x146/0x430 [ 722.335836] ? find_held_lock+0x35/0x130 [ 722.339890] ? bpf_test_run+0x146/0x430 [ 722.343861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.349415] ? check_preemption_disabled+0x48/0x290 [ 722.354431] ? lock_acquire+0x16f/0x3f0 [ 722.358413] ? kasan_check_read+0x11/0x20 [ 722.362572] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 722.367756] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 722.373283] bpf_test_run+0x10d/0x430 [ 722.377095] bpf_prog_test_run_skb+0x64b/0xb20 [ 722.381679] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 722.386514] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 722.392044] ? fput+0x128/0x1a0 [ 722.395401] ? __bpf_prog_get+0x97/0x290 [ 722.399459] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 722.404734] bpf_prog_test_run+0x129/0x1a0 [ 722.408986] __x64_sys_bpf+0x397/0x4c0 [ 722.412876] ? bpf_prog_get+0x20/0x20 [ 722.416677] ? do_syscall_64+0x26/0x620 [ 722.420668] ? lockdep_hardirqs_on+0x415/0x5d0 [ 722.425250] ? trace_hardirqs_on+0x67/0x220 [ 722.429580] do_syscall_64+0xfd/0x620 [ 722.433389] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 722.438573] RIP: 0033:0x45af49 [ 722.441777] Code: Bad RIP value. [ 722.445134] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 722.452848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 722.460108] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 722.467457] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 722.474716] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 722.481985] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 722.490227] warn_alloc_show_mem: 1 callbacks suppressed [ 722.490237] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 722.490239] Mem-Info: [ 722.490268] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 722.490268] active_file:13 inactive_file:11 isolated_file:0 [ 722.490268] unevictable:0 dirty:0 writeback:0 unstable:0 [ 722.490268] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 722.490268] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 722.490268] free:10923 free_pcp:135 free_cma:0 [ 722.495606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.495614] Call Trace: [ 722.502984] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 722.505380] [ 722.538549] Node 1 active_anon:1432kB 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 [ 722.548426] dump_stack+0x197/0x210 [ 722.550992] Node 0 DMA free:10256kB 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 [ 722.578421] warn_alloc.cold+0x7b/0x173 [ 722.580545] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 722.606483] ? zone_watermark_ok_safe+0x260/0x260 [ 722.610085] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 722.636189] ? __cpuset_node_allowed+0x136/0x540 [ 722.640149] lowmem_reserve[]: 0 0 1 1 1 [ 722.645185] ? __isolate_free_page+0x4c0/0x4c0 [ 722.649996] 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 [ 722.678626] ? wake_all_kswapds+0x14d/0x300 [ 722.683353] lowmem_reserve[]: 0 0 0 0 0 [ 722.687325] __alloc_pages_slowpath+0x2214/0x2870 [ 722.691878] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 722.717675] ? warn_alloc+0x110/0x110 [ 722.721959] lowmem_reserve[]: 0 0 0 0 0 [ 722.725944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 722.730766] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 722.758614] ? should_fail+0x14d/0x85c [ 722.762383] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 722.766361] ? __isolate_free_page+0x4c0/0x4c0 [ 722.771869] 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 [ 722.783655] __alloc_pages_nodemask+0x617/0x750 [ 722.787516] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 722.802249] ? __alloc_pages_slowpath+0x2870/0x2870 [ 722.806808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 722.817471] cache_grow_begin+0x91/0x8c0 [ 722.822108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 722.837188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.842181] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 722.851001] ? __cpuset_node_allowed+0x136/0x540 [ 722.855041] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 722.863604] fallback_alloc+0x1fd/0x2d0 [ 722.869123] 269 total pagecache pages [ 722.878038] ____cache_alloc_node+0x1be/0x1e0 [ 722.882785] 0 pages in swap cache [ 722.891350] kmem_cache_alloc_node+0xe3/0x710 [ 722.895301] Swap cache stats: add 0, delete 0, find 0/0 [ 722.899104] __alloc_skb+0xd5/0x5f0 [ 722.903560] Free swap = 0kB [ 722.903568] Total swap = 0kB [ 722.907014] ? skb_trim+0x190/0x190 [ 722.911481] 1965979 pages RAM [ 722.916850] ? check_preemption_disabled+0x48/0x290 [ 722.920459] 0 pages HighMem/MovableOnly [ 722.923475] ? lock_acquire+0x16f/0x3f0 [ 722.926464] 341723 pages reserved [ 722.930087] new_skb+0x28/0x1d0 [ 722.933161] 0 pages cma reserved [ 722.933225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 722.938200] aoecmd_cfg+0x1b5/0x640 [ 722.938215] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 722.938235] ? timer_reduce+0x11d0/0x11d0 [ 722.938256] discover_timer+0x4e/0x60 [ 722.942264] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 722.946221] call_timer_fn+0x18d/0x720 [ 722.949653] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 722.952928] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 723.003209] ? process_timeout+0x40/0x40 [ 723.007262] ? run_timer_softirq+0x644/0x16a0 [ 723.011752] ? trace_hardirqs_on+0x67/0x220 [ 723.016069] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 723.020730] run_timer_softirq+0x64f/0x16a0 [ 723.025047] ? add_timer+0xbe0/0xbe0 [ 723.028754] ? __lock_is_held+0xb6/0x140 [ 723.032829] __do_softirq+0x25c/0x921 [ 723.036621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.042148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.047688] irq_exit+0x180/0x1d0 [ 723.051136] smp_apic_timer_interrupt+0x13b/0x550 [ 723.055973] apic_timer_interrupt+0xf/0x20 [ 723.060200] [ 723.062431] RIP: 0010:smp_call_function_single+0x139/0x420 [ 723.068073] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 723.086974] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 723.094685] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 723.101962] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 723.109237] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 723.116500] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 723.123762] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 723.131047] ? smp_call_function_single+0x14c/0x420 [ 723.136060] ? smp_call_function_single+0x137/0x420 [ 723.143594] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 723.149385] ? generic_exec_single+0x490/0x490 [ 723.153960] ? __lock_acquire+0x6ee/0x49c0 [ 723.158187] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 723.163975] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 723.168983] ? find_next_and_bit+0x19a/0x200 [ 723.173391] smp_call_function_many+0x75f/0x8e0 [ 723.178066] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 723.183862] native_flush_tlb_others+0x81/0x420 [ 723.188530] flush_tlb_mm_range+0x21c/0x350 [ 723.192847] ? native_flush_tlb_others+0x420/0x420 [ 723.197769] ? lock_acquire+0x16f/0x3f0 [ 723.201743] ? kasan_check_write+0x14/0x20 [ 723.205983] flush_tlb_batched_pending+0x6e/0xb0 [ 723.211695] unmap_page_range+0x8b5/0x1fb0 [ 723.215938] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 723.220422] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.225951] ? kasan_check_write+0x14/0x20 [ 723.230179] __oom_reap_task_mm+0x1fb/0x3a0 [ 723.234495] ? process_shares_mm+0x130/0x130 [ 723.238897] ? oom_reaper+0x12c/0x1160 [ 723.242782] ? __lock_is_held+0xb6/0x140 [ 723.246846] oom_reaper+0x246/0x1160 [ 723.250569] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 723.255066] ? trace_hardirqs_on+0x67/0x220 [ 723.259384] ? finish_wait+0x260/0x260 [ 723.263264] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 723.268368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.273895] ? __kthread_parkme+0xfb/0x1b0 [ 723.278121] kthread+0x354/0x420 [ 723.281479] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 723.286056] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 723.291605] ret_from_fork+0x24/0x30 [ 723.295326] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 723.295382] aoe: skb alloc failure [ 723.303118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.303123] Call Trace: [ 723.303129] [ 723.303145] dump_stack+0x197/0x210 [ 723.303163] warn_alloc.cold+0x7b/0x173 [ 723.306704] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 723.316028] ? zone_watermark_ok_safe+0x260/0x260 [ 723.318591] oom_reaper cpuset=/ mems_allowed=0-1 [ 723.320743] ? __cpuset_node_allowed+0x136/0x540 [ 723.352856] ? __isolate_free_page+0x4c0/0x4c0 [ 723.357432] ? wake_all_kswapds+0x14d/0x300 [ 723.364969] __alloc_pages_slowpath+0x2214/0x2870 [ 723.369820] ? warn_alloc+0x110/0x110 [ 723.373615] ? __lock_acquire+0x6ee/0x49c0 [ 723.377844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 723.383376] ? should_fail+0x14d/0x85c [ 723.387259] ? __isolate_free_page+0x4c0/0x4c0 [ 723.391840] __alloc_pages_nodemask+0x617/0x750 [ 723.396506] ? __alloc_pages_slowpath+0x2870/0x2870 [ 723.401523] ? find_held_lock+0x35/0x130 [ 723.405579] cache_grow_begin+0x91/0x8c0 [ 723.409644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.415173] ? __cpuset_node_allowed+0x136/0x540 [ 723.419924] fallback_alloc+0x1fd/0x2d0 [ 723.423891] ____cache_alloc_node+0x1be/0x1e0 [ 723.428379] kmem_cache_alloc_node+0xe3/0x710 [ 723.432868] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 723.437105] __alloc_skb+0xd5/0x5f0 [ 723.440723] ? skb_trim+0x190/0x190 [ 723.444338] ? kasan_check_read+0x11/0x20 [ 723.448482] ndisc_alloc_skb+0x13c/0x340 [ 723.452539] ndisc_send_rs+0x35f/0x6e0 [ 723.456432] addrconf_rs_timer+0x30f/0x680 [ 723.460662] ? ipv6_get_lladdr+0x490/0x490 [ 723.464895] call_timer_fn+0x18d/0x720 [ 723.468792] ? ipv6_get_lladdr+0x490/0x490 [ 723.473045] ? process_timeout+0x40/0x40 [ 723.477121] ? run_timer_softirq+0x644/0x16a0 [ 723.481635] ? trace_hardirqs_on+0x67/0x220 [ 723.485986] ? ipv6_get_lladdr+0x490/0x490 [ 723.490219] run_timer_softirq+0x64f/0x16a0 [ 723.494556] ? add_timer+0xbe0/0xbe0 [ 723.498291] ? __lock_is_held+0xb6/0x140 [ 723.502364] __do_softirq+0x25c/0x921 [ 723.506201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.511736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.517284] irq_exit+0x180/0x1d0 [ 723.520743] smp_apic_timer_interrupt+0x13b/0x550 [ 723.525586] apic_timer_interrupt+0xf/0x20 [ 723.529806] [ 723.532039] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 723.536965] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 723.556835] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 723.564559] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 723.571840] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 723.579125] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 723.586515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 723.593900] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 723.601311] skb_clone+0x156/0x3e0 [ 723.604858] bpf_clone_redirect+0xb2/0x480 [ 723.609091] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 723.614098] ? 0xffffffff81000000 [ 723.617568] ? mark_held_locks+0x100/0x100 [ 723.621812] ? trace_hardirqs_on_caller+0x6a/0x220 [ 723.626765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 723.631528] ? bpf_test_run+0x146/0x430 [ 723.635524] ? find_held_lock+0x35/0x130 [ 723.639686] ? bpf_test_run+0x146/0x430 [ 723.643717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.649808] ? check_preemption_disabled+0x48/0x290 [ 723.654827] ? lock_acquire+0x16f/0x3f0 [ 723.658807] ? kasan_check_read+0x11/0x20 [ 723.662960] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 723.668174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.673710] bpf_test_run+0x10d/0x430 [ 723.677529] bpf_prog_test_run_skb+0x64b/0xb20 [ 723.682117] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 723.686973] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.692521] ? fput+0x128/0x1a0 [ 723.695820] ? __bpf_prog_get+0x97/0x290 [ 723.699890] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 723.704727] bpf_prog_test_run+0x129/0x1a0 [ 723.708978] __x64_sys_bpf+0x397/0x4c0 [ 723.712871] ? bpf_prog_get+0x20/0x20 [ 723.716697] ? do_syscall_64+0x26/0x620 [ 723.720671] ? lockdep_hardirqs_on+0x415/0x5d0 [ 723.725270] ? trace_hardirqs_on+0x67/0x220 [ 723.729717] do_syscall_64+0xfd/0x620 [ 723.733527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 723.738744] RIP: 0033:0x45af49 [ 723.741957] Code: Bad RIP value. [ 723.745315] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 723.753130] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 723.760399] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 723.767692] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 723.774964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 723.782440] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 723.789732] warn_alloc_show_mem: 1 callbacks suppressed [ 723.789741] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 723.789743] Mem-Info: [ 723.789772] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 723.789772] active_file:13 inactive_file:11 isolated_file:0 [ 723.789772] unevictable:0 dirty:0 writeback:0 unstable:0 [ 723.789772] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 723.789772] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 723.789772] free:10923 free_pcp:135 free_cma:0 [ 723.795111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.802493] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 723.804908] Call Trace: [ 723.838075] Node 1 active_anon:1432kB 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 [ 723.847416] [ 723.875679] Node 0 DMA free:10256kB 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 [ 723.878284] dump_stack+0x197/0x210 [ 723.904371] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 723.906553] warn_alloc.cold+0x7b/0x173 [ 723.932649] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 723.936274] ? zone_watermark_ok_safe+0x260/0x260 [ 723.941255] lowmem_reserve[]: 0 0 1 1 1 [ 723.945228] ? __cpuset_node_allowed+0x136/0x540 [ 723.973831] 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 [ 723.978677] ? __isolate_free_page+0x4c0/0x4c0 [ 723.982623] lowmem_reserve[]: 0 0 0 0 0 [ 723.987389] ? wake_all_kswapds+0x14d/0x300 [ 724.013165] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 724.017773] __alloc_pages_slowpath+0x2214/0x2870 [ 724.021727] lowmem_reserve[]: 0 0 0 0 0 [ 724.026115] ? warn_alloc+0x110/0x110 [ 724.054211] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 724.059073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.063021] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 724.066842] ? should_fail+0x14d/0x85c [ 724.078626] 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 [ 724.084190] ? __isolate_free_page+0x4c0/0x4c0 [ 724.098912] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 724.102821] __alloc_pages_nodemask+0x617/0x750 [ 724.113485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 724.118198] ? __alloc_pages_slowpath+0x2870/0x2870 [ 724.133382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 724.138097] cache_grow_begin+0x91/0x8c0 [ 724.146941] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 724.151973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.160539] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 724.164632] ? __cpuset_node_allowed+0x136/0x540 [ 724.173480] 269 total pagecache pages [ 724.179037] fallback_alloc+0x1fd/0x2d0 [ 724.187785] 0 pages in swap cache [ 724.192565] ____cache_alloc_node+0x1be/0x1e0 [ 724.196343] Swap cache stats: add 0, delete 0, find 0/0 [ 724.200312] kmem_cache_alloc_node+0xe3/0x710 [ 724.203764] Free swap = 0kB [ 724.203775] Total swap = 0kB [ 724.208287] __alloc_skb+0xd5/0x5f0 [ 724.213641] 1965979 pages RAM [ 724.218163] ? skb_trim+0x190/0x190 [ 724.221161] 0 pages HighMem/MovableOnly [ 724.224194] ? check_preemption_disabled+0x48/0x290 [ 724.227814] 341723 pages reserved [ 724.227829] 0 pages cma reserved [ 724.230956] ? lock_acquire+0x16f/0x3f0 [ 724.234628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 724.238573] new_skb+0x28/0x1d0 [ 724.238587] aoecmd_cfg+0x1b5/0x640 [ 724.238602] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 724.238622] ? timer_reduce+0x11d0/0x11d0 [ 724.243681] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 724.247086] discover_timer+0x4e/0x60 [ 724.250438] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 724.254421] call_timer_fn+0x18d/0x720 [ 724.300311] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 724.304975] ? process_timeout+0x40/0x40 [ 724.309028] ? run_timer_softirq+0x644/0x16a0 [ 724.313539] ? trace_hardirqs_on+0x67/0x220 [ 724.317867] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 724.322569] run_timer_softirq+0x64f/0x16a0 [ 724.326902] ? add_timer+0xbe0/0xbe0 [ 724.330629] ? __lock_is_held+0xb6/0x140 [ 724.334731] __do_softirq+0x25c/0x921 [ 724.338533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.344075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.349638] irq_exit+0x180/0x1d0 [ 724.353263] smp_apic_timer_interrupt+0x13b/0x550 [ 724.358107] apic_timer_interrupt+0xf/0x20 [ 724.362332] [ 724.364562] RIP: 0010:smp_call_function_single+0x139/0x420 [ 724.370182] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 724.389075] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 724.396792] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 724.404067] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 724.411338] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 724.418605] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 724.425867] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 724.433145] ? smp_call_function_single+0x14c/0x420 [ 724.438160] ? smp_call_function_single+0x137/0x420 [ 724.443186] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 724.448979] ? generic_exec_single+0x490/0x490 [ 724.453554] ? __lock_acquire+0x6ee/0x49c0 [ 724.457781] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 724.463575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 724.468606] ? find_next_and_bit+0x19a/0x200 [ 724.473031] smp_call_function_many+0x75f/0x8e0 [ 724.477725] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 724.483553] native_flush_tlb_others+0x81/0x420 [ 724.488315] flush_tlb_mm_range+0x21c/0x350 [ 724.492639] ? native_flush_tlb_others+0x420/0x420 [ 724.497568] ? lock_acquire+0x16f/0x3f0 [ 724.501537] ? kasan_check_write+0x14/0x20 [ 724.505769] flush_tlb_batched_pending+0x6e/0xb0 [ 724.510549] unmap_page_range+0x8b5/0x1fb0 [ 724.514809] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 724.519300] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.525012] ? kasan_check_write+0x14/0x20 [ 724.529247] __oom_reap_task_mm+0x1fb/0x3a0 [ 724.533565] ? process_shares_mm+0x130/0x130 [ 724.537968] ? oom_reaper+0x12c/0x1160 [ 724.541866] ? __lock_is_held+0xb6/0x140 [ 724.546018] oom_reaper+0x246/0x1160 [ 724.549733] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 724.554220] ? trace_hardirqs_on+0x67/0x220 [ 724.558565] ? finish_wait+0x260/0x260 [ 724.562457] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 724.567938] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.573476] ? __kthread_parkme+0xfb/0x1b0 [ 724.577712] kthread+0x354/0x420 [ 724.581090] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 724.585582] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 724.591116] ret_from_fork+0x24/0x30 [ 724.594839] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 724.594897] aoe: skb alloc failure [ 724.602645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.602650] Call Trace: [ 724.602656] [ 724.602674] dump_stack+0x197/0x210 [ 724.602691] warn_alloc.cold+0x7b/0x173 [ 724.606235] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 724.615565] ? zone_watermark_ok_safe+0x260/0x260 [ 724.618146] oom_reaper cpuset=/ mems_allowed=0-1 [ 724.620289] ? __cpuset_node_allowed+0x136/0x540 [ 724.652367] ? __isolate_free_page+0x4c0/0x4c0 [ 724.656943] ? wake_all_kswapds+0x14d/0x300 [ 724.661264] __alloc_pages_slowpath+0x2214/0x2870 [ 724.666119] ? warn_alloc+0x110/0x110 [ 724.669919] ? __lock_acquire+0x6ee/0x49c0 [ 724.674151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 724.679692] ? should_fail+0x14d/0x85c [ 724.683577] ? __isolate_free_page+0x4c0/0x4c0 [ 724.688161] __alloc_pages_nodemask+0x617/0x750 [ 724.692829] ? __alloc_pages_slowpath+0x2870/0x2870 [ 724.697846] ? find_held_lock+0x35/0x130 [ 724.701992] cache_grow_begin+0x91/0x8c0 [ 724.706071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.711630] ? __cpuset_node_allowed+0x136/0x540 [ 724.716389] fallback_alloc+0x1fd/0x2d0 [ 724.720387] ____cache_alloc_node+0x1be/0x1e0 [ 724.724885] kmem_cache_alloc_node+0xe3/0x710 [ 724.729375] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 724.733618] __alloc_skb+0xd5/0x5f0 [ 724.737263] ? skb_trim+0x190/0x190 [ 724.740882] ? kasan_check_read+0x11/0x20 [ 724.745043] ndisc_alloc_skb+0x13c/0x340 [ 724.749102] ndisc_send_rs+0x35f/0x6e0 [ 724.752999] addrconf_rs_timer+0x30f/0x680 [ 724.757229] ? ipv6_get_lladdr+0x490/0x490 [ 724.761466] call_timer_fn+0x18d/0x720 [ 724.765349] ? ipv6_get_lladdr+0x490/0x490 [ 724.769590] ? process_timeout+0x40/0x40 [ 724.773640] ? run_timer_softirq+0x644/0x16a0 [ 724.778130] ? trace_hardirqs_on+0x67/0x220 [ 724.782447] ? ipv6_get_lladdr+0x490/0x490 [ 724.786677] run_timer_softirq+0x64f/0x16a0 [ 724.790998] ? add_timer+0xbe0/0xbe0 [ 724.794706] ? __lock_is_held+0xb6/0x140 [ 724.798787] __do_softirq+0x25c/0x921 [ 724.802594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.808123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.813664] irq_exit+0x180/0x1d0 [ 724.817110] smp_apic_timer_interrupt+0x13b/0x550 [ 724.821952] apic_timer_interrupt+0xf/0x20 [ 724.826188] [ 724.828426] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 724.833456] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 724.852349] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 724.860050] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 724.867320] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 724.874669] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 724.882465] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 724.889724] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 724.897024] skb_clone+0x156/0x3e0 [ 724.900579] bpf_clone_redirect+0xb2/0x480 [ 724.904898] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 724.909907] ? 0xffffffff81000000 [ 724.913364] ? mark_held_locks+0x100/0x100 [ 724.917589] ? trace_hardirqs_on_caller+0x6a/0x220 [ 724.922515] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 724.927266] ? bpf_test_run+0x146/0x430 [ 724.931241] ? find_held_lock+0x35/0x130 [ 724.935291] ? bpf_test_run+0x146/0x430 [ 724.939260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.944807] ? check_preemption_disabled+0x48/0x290 [ 724.949817] ? lock_acquire+0x16f/0x3f0 [ 724.953788] ? kasan_check_read+0x11/0x20 [ 724.957928] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 724.963113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.968646] bpf_test_run+0x10d/0x430 [ 724.972449] bpf_prog_test_run_skb+0x64b/0xb20 [ 724.977031] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 724.981864] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.987391] ? fput+0x128/0x1a0 [ 724.990660] ? __bpf_prog_get+0x97/0x290 [ 724.995065] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 724.999896] bpf_prog_test_run+0x129/0x1a0 [ 725.004133] __x64_sys_bpf+0x397/0x4c0 [ 725.008014] ? bpf_prog_get+0x20/0x20 [ 725.011813] ? do_syscall_64+0x26/0x620 [ 725.015783] ? lockdep_hardirqs_on+0x415/0x5d0 [ 725.020376] ? trace_hardirqs_on+0x67/0x220 [ 725.024694] do_syscall_64+0xfd/0x620 [ 725.028488] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 725.033676] RIP: 0033:0x45af49 [ 725.036873] Code: Bad RIP value. [ 725.040222] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 725.047920] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 725.055183] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 725.062529] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 725.069791] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 725.077091] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 725.084386] warn_alloc_show_mem: 1 callbacks suppressed [ 725.084396] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 725.084398] Mem-Info: [ 725.084428] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 725.084428] active_file:13 inactive_file:11 isolated_file:0 [ 725.084428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 725.084428] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 725.084428] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 725.084428] free:10923 free_pcp:135 free_cma:0 [ 725.091605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.098978] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 725.101367] Call Trace: [ 725.134657] Node 1 active_anon:1432kB 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 [ 725.143999] [ 725.171659] Node 0 DMA free:10256kB 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 [ 725.174256] dump_stack+0x197/0x210 [ 725.200160] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 725.202316] warn_alloc.cold+0x7b/0x173 [ 725.228410] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 725.232063] ? zone_watermark_ok_safe+0x260/0x260 [ 725.237151] lowmem_reserve[]: 0 0 1 1 1 [ 725.241248] ? __cpuset_node_allowed+0x136/0x540 [ 725.269849] 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 [ 725.274695] ? __isolate_free_page+0x4c0/0x4c0 [ 725.278723] lowmem_reserve[]: 0 0 0 0 0 [ 725.283475] ? wake_all_kswapds+0x14d/0x300 [ 725.310445] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 725.315038] __alloc_pages_slowpath+0x2214/0x2870 [ 725.318988] lowmem_reserve[]: 0 0 0 0 0 [ 725.323326] ? warn_alloc+0x110/0x110 [ 725.351865] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 725.356729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.360670] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 725.364466] ? should_fail+0x14d/0x85c [ 725.376241] 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 [ 725.381777] ? __isolate_free_page+0x4c0/0x4c0 [ 725.396494] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 725.400384] __alloc_pages_nodemask+0x617/0x750 [ 725.411978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 725.416550] ? __alloc_pages_slowpath+0x2870/0x2870 [ 725.431622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 725.436289] cache_grow_begin+0x91/0x8c0 [ 725.445095] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 725.450099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.458694] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 725.458704] 269 total pagecache pages [ 725.462781] ? __cpuset_node_allowed+0x136/0x540 [ 725.471686] 0 pages in swap cache [ 725.477304] fallback_alloc+0x1fd/0x2d0 [ 725.485853] Swap cache stats: add 0, delete 0, find 0/0 [ 725.489732] ____cache_alloc_node+0x1be/0x1e0 [ 725.494459] Free swap = 0kB [ 725.497913] kmem_cache_alloc_node+0xe3/0x710 [ 725.501863] Total swap = 0kB [ 725.501873] 1965979 pages RAM [ 725.507245] __alloc_skb+0xd5/0x5f0 [ 725.511706] 0 pages HighMem/MovableOnly [ 725.511714] 341723 pages reserved [ 725.514744] ? skb_trim+0x190/0x190 [ 725.519565] 0 pages cma reserved [ 725.522610] ? check_preemption_disabled+0x48/0x290 [ 725.525752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 725.529833] ? lock_acquire+0x16f/0x3f0 [ 725.529852] new_skb+0x28/0x1d0 [ 725.529866] aoecmd_cfg+0x1b5/0x640 [ 725.533868] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 725.537265] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 725.540872] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 725.544245] ? timer_reduce+0x11d0/0x11d0 [ 725.592611] discover_timer+0x4e/0x60 [ 725.596416] call_timer_fn+0x18d/0x720 [ 725.600641] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 725.605300] ? process_timeout+0x40/0x40 [ 725.609361] ? run_timer_softirq+0x644/0x16a0 [ 725.613851] ? trace_hardirqs_on+0x67/0x220 [ 725.618168] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 725.622828] run_timer_softirq+0x64f/0x16a0 [ 725.627168] ? add_timer+0xbe0/0xbe0 [ 725.630897] ? __lock_is_held+0xb6/0x140 [ 725.634980] __do_softirq+0x25c/0x921 [ 725.638778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.644325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.649875] irq_exit+0x180/0x1d0 [ 725.653337] smp_apic_timer_interrupt+0x13b/0x550 [ 725.658196] apic_timer_interrupt+0xf/0x20 [ 725.662423] [ 725.664654] RIP: 0010:smp_call_function_single+0x139/0x420 [ 725.670273] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 725.689189] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 725.696893] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 725.705108] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 725.712372] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 725.719634] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 725.726894] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 725.734184] ? smp_call_function_single+0x14c/0x420 [ 725.739190] ? smp_call_function_single+0x137/0x420 [ 725.744206] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 725.749995] ? generic_exec_single+0x490/0x490 [ 725.754579] ? __lock_acquire+0x6ee/0x49c0 [ 725.758809] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 725.764732] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 725.769764] ? find_next_and_bit+0x19a/0x200 [ 725.774181] smp_call_function_many+0x75f/0x8e0 [ 725.778871] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 725.784675] native_flush_tlb_others+0x81/0x420 [ 725.789345] flush_tlb_mm_range+0x21c/0x350 [ 725.793665] ? native_flush_tlb_others+0x420/0x420 [ 725.798592] ? lock_acquire+0x16f/0x3f0 [ 725.802660] ? kasan_check_write+0x14/0x20 [ 725.806892] flush_tlb_batched_pending+0x6e/0xb0 [ 725.811648] unmap_page_range+0x8b5/0x1fb0 [ 725.815900] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 725.820385] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 725.825927] ? kasan_check_write+0x14/0x20 [ 725.830160] __oom_reap_task_mm+0x1fb/0x3a0 [ 725.834480] ? process_shares_mm+0x130/0x130 [ 725.838882] ? oom_reaper+0x12c/0x1160 [ 725.842768] ? __lock_is_held+0xb6/0x140 [ 725.846829] oom_reaper+0x246/0x1160 [ 725.850541] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 725.855030] ? trace_hardirqs_on+0x67/0x220 [ 725.859362] ? finish_wait+0x260/0x260 [ 725.863331] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 725.868441] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 725.873970] ? __kthread_parkme+0xfb/0x1b0 [ 725.878198] kthread+0x354/0x420 [ 725.881555] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 725.886562] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 725.892093] ret_from_fork+0x24/0x30 [ 725.895814] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 725.895934] aoe: skb alloc failure [ 725.903621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.903627] Call Trace: [ 725.903632] [ 725.903649] dump_stack+0x197/0x210 [ 725.903666] warn_alloc.cold+0x7b/0x173 [ 725.907209] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 725.916535] ? zone_watermark_ok_safe+0x260/0x260 [ 725.919093] oom_reaper cpuset=/ mems_allowed=0-1 [ 725.921235] ? __cpuset_node_allowed+0x136/0x540 [ 725.953319] ? __isolate_free_page+0x4c0/0x4c0 [ 725.957902] ? wake_all_kswapds+0x14d/0x300 [ 725.962223] __alloc_pages_slowpath+0x2214/0x2870 [ 725.967098] ? warn_alloc+0x110/0x110 [ 725.970894] ? __lock_acquire+0x6ee/0x49c0 [ 725.975121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.980651] ? should_fail+0x14d/0x85c [ 725.984535] ? __isolate_free_page+0x4c0/0x4c0 [ 725.989117] __alloc_pages_nodemask+0x617/0x750 [ 725.993781] ? __alloc_pages_slowpath+0x2870/0x2870 [ 725.998797] ? find_held_lock+0x35/0x130 [ 726.002853] cache_grow_begin+0x91/0x8c0 [ 726.006911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.012444] ? __cpuset_node_allowed+0x136/0x540 [ 726.017191] fallback_alloc+0x1fd/0x2d0 [ 726.021166] ____cache_alloc_node+0x1be/0x1e0 [ 726.025657] kmem_cache_alloc_node+0xe3/0x710 [ 726.030147] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 726.034380] __alloc_skb+0xd5/0x5f0 [ 726.038001] ? skb_trim+0x190/0x190 [ 726.041793] ? kasan_check_read+0x11/0x20 [ 726.045942] ndisc_alloc_skb+0x13c/0x340 [ 726.049998] ndisc_send_rs+0x35f/0x6e0 [ 726.053881] addrconf_rs_timer+0x30f/0x680 [ 726.058113] ? ipv6_get_lladdr+0x490/0x490 [ 726.062344] call_timer_fn+0x18d/0x720 [ 726.066242] ? ipv6_get_lladdr+0x490/0x490 [ 726.070469] ? process_timeout+0x40/0x40 [ 726.074531] ? run_timer_softirq+0x644/0x16a0 [ 726.079021] ? trace_hardirqs_on+0x67/0x220 [ 726.083335] ? ipv6_get_lladdr+0x490/0x490 [ 726.087570] run_timer_softirq+0x64f/0x16a0 [ 726.091899] ? add_timer+0xbe0/0xbe0 [ 726.095605] ? __lock_is_held+0xb6/0x140 [ 726.099668] __do_softirq+0x25c/0x921 [ 726.103456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.108989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.114525] irq_exit+0x180/0x1d0 [ 726.117970] smp_apic_timer_interrupt+0x13b/0x550 [ 726.123196] apic_timer_interrupt+0xf/0x20 [ 726.127429] [ 726.129664] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 726.134589] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 726.153508] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 726.161216] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 726.168477] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 726.175740] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 726.183001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 726.190300] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 726.197613] skb_clone+0x156/0x3e0 [ 726.201158] bpf_clone_redirect+0xb2/0x480 [ 726.205392] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 726.210403] ? 0xffffffff81000000 [ 726.213862] ? mark_held_locks+0x100/0x100 [ 726.218088] ? trace_hardirqs_on_caller+0x6a/0x220 [ 726.223012] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 726.227763] ? bpf_test_run+0x146/0x430 [ 726.232165] ? find_held_lock+0x35/0x130 [ 726.236233] ? bpf_test_run+0x146/0x430 [ 726.240205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.245749] ? check_preemption_disabled+0x48/0x290 [ 726.250765] ? lock_acquire+0x16f/0x3f0 [ 726.254733] ? kasan_check_read+0x11/0x20 [ 726.258874] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 726.264065] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 726.269592] bpf_test_run+0x10d/0x430 [ 726.273479] bpf_prog_test_run_skb+0x64b/0xb20 [ 726.278336] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 726.283167] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 726.288712] ? fput+0x128/0x1a0 [ 726.291984] ? __bpf_prog_get+0x97/0x290 [ 726.296039] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 726.300875] bpf_prog_test_run+0x129/0x1a0 [ 726.305121] __x64_sys_bpf+0x397/0x4c0 [ 726.309830] ? bpf_prog_get+0x20/0x20 [ 726.313655] ? do_syscall_64+0x26/0x620 [ 726.317634] ? lockdep_hardirqs_on+0x415/0x5d0 [ 726.322238] ? trace_hardirqs_on+0x67/0x220 [ 726.326681] do_syscall_64+0xfd/0x620 [ 726.330490] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 726.335693] RIP: 0033:0x45af49 [ 726.338899] Code: Bad RIP value. [ 726.342258] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 726.349974] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 726.357240] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 726.364500] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 726.371760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 726.379021] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 726.386311] warn_alloc_show_mem: 1 callbacks suppressed [ 726.386320] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 726.386322] Mem-Info: [ 726.386351] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 726.386351] active_file:13 inactive_file:11 isolated_file:0 [ 726.386351] unevictable:0 dirty:0 writeback:0 unstable:0 [ 726.386351] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 726.386351] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 726.386351] free:10923 free_pcp:135 free_cma:0 [ 726.391693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.399064] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 726.401458] Call Trace: [ 726.434530] Node 1 active_anon:1432kB 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 [ 726.443887] [ 726.471305] Node 0 DMA free:10256kB 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 [ 726.473903] dump_stack+0x197/0x210 [ 726.500087] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 726.502266] warn_alloc.cold+0x7b/0x173 [ 726.528361] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 726.531997] ? zone_watermark_ok_safe+0x260/0x260 [ 726.536988] lowmem_reserve[]: 0 0 1 1 1 [ 726.540964] ? __cpuset_node_allowed+0x136/0x540 [ 726.569676] 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 [ 726.574524] ? __isolate_free_page+0x4c0/0x4c0 [ 726.578480] lowmem_reserve[]: 0 0 0 0 0 [ 726.583232] ? wake_all_kswapds+0x14d/0x300 [ 726.608969] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 726.613565] __alloc_pages_slowpath+0x2214/0x2870 [ 726.617512] lowmem_reserve[]: 0 0 0 0 0 [ 726.621849] ? warn_alloc+0x110/0x110 [ 726.649657] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 726.654503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.658642] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 726.662719] ? should_fail+0x14d/0x85c [ 726.674500] 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 [ 726.680035] ? __isolate_free_page+0x4c0/0x4c0 [ 726.694776] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 726.698687] __alloc_pages_nodemask+0x617/0x750 [ 726.709434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.714042] ? __alloc_pages_slowpath+0x2870/0x2870 [ 726.729138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.733849] cache_grow_begin+0x91/0x8c0 [ 726.742659] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.747662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.757077] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.757085] 269 total pagecache pages [ 726.761149] ? __cpuset_node_allowed+0x136/0x540 [ 726.769964] 0 pages in swap cache [ 726.775494] fallback_alloc+0x1fd/0x2d0 [ 726.784048] Swap cache stats: add 0, delete 0, find 0/0 [ 726.787853] ____cache_alloc_node+0x1be/0x1e0 [ 726.792585] Free swap = 0kB [ 726.796031] kmem_cache_alloc_node+0xe3/0x710 [ 726.799972] Total swap = 0kB [ 726.799981] 1965979 pages RAM [ 726.805357] __alloc_skb+0xd5/0x5f0 [ 726.809823] 0 pages HighMem/MovableOnly [ 726.809831] 341723 pages reserved [ 726.812864] ? skb_trim+0x190/0x190 [ 726.817336] 0 pages cma reserved [ 726.820359] ? check_preemption_disabled+0x48/0x290 [ 726.823512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 726.827052] ? lock_acquire+0x16f/0x3f0 [ 726.827071] new_skb+0x28/0x1d0 [ 726.831097] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 726.834471] aoecmd_cfg+0x1b5/0x640 [ 726.838091] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 726.841486] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 726.884041] ? timer_reduce+0x11d0/0x11d0 [ 726.888192] discover_timer+0x4e/0x60 [ 726.891986] call_timer_fn+0x18d/0x720 [ 726.895871] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 726.900534] ? process_timeout+0x40/0x40 [ 726.904588] ? run_timer_softirq+0x644/0x16a0 [ 726.909080] ? trace_hardirqs_on+0x67/0x220 [ 726.913483] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 726.918153] run_timer_softirq+0x64f/0x16a0 [ 726.922471] ? add_timer+0xbe0/0xbe0 [ 726.926179] ? __lock_is_held+0xb6/0x140 [ 726.930243] __do_softirq+0x25c/0x921 [ 726.934038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.939566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.945116] irq_exit+0x180/0x1d0 [ 726.948562] smp_apic_timer_interrupt+0x13b/0x550 [ 726.953413] apic_timer_interrupt+0xf/0x20 [ 726.957655] [ 726.959888] RIP: 0010:smp_call_function_single+0x139/0x420 [ 726.965522] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 726.984515] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 726.992301] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 726.999562] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 727.006825] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 727.014112] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 727.021373] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 727.028648] ? smp_call_function_single+0x14c/0x420 [ 727.033831] ? smp_call_function_single+0x137/0x420 [ 727.038862] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 727.044663] ? generic_exec_single+0x490/0x490 [ 727.049790] ? __lock_acquire+0x6ee/0x49c0 [ 727.054019] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 727.059807] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 727.064818] ? find_next_and_bit+0x19a/0x200 [ 727.069242] smp_call_function_many+0x75f/0x8e0 [ 727.074008] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 727.079804] native_flush_tlb_others+0x81/0x420 [ 727.084480] flush_tlb_mm_range+0x21c/0x350 [ 727.088794] ? native_flush_tlb_others+0x420/0x420 [ 727.093720] ? lock_acquire+0x16f/0x3f0 [ 727.097693] ? kasan_check_write+0x14/0x20 [ 727.101922] flush_tlb_batched_pending+0x6e/0xb0 [ 727.106671] unmap_page_range+0x8b5/0x1fb0 [ 727.110914] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 727.115399] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.120933] ? kasan_check_write+0x14/0x20 [ 727.125168] __oom_reap_task_mm+0x1fb/0x3a0 [ 727.129491] ? process_shares_mm+0x130/0x130 [ 727.133910] ? oom_reaper+0x12c/0x1160 [ 727.137803] ? __lock_is_held+0xb6/0x140 [ 727.141868] oom_reaper+0x246/0x1160 [ 727.145584] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 727.150074] ? trace_hardirqs_on+0x67/0x220 [ 727.154391] ? finish_wait+0x260/0x260 [ 727.158277] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 727.163373] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.168901] ? __kthread_parkme+0xfb/0x1b0 [ 727.173132] kthread+0x354/0x420 [ 727.176492] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 727.180979] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 727.186512] ret_from_fork+0x24/0x30 [ 727.190235] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 727.190312] aoe: skb alloc failure [ 727.198127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.198132] Call Trace: [ 727.198137] [ 727.198154] dump_stack+0x197/0x210 [ 727.198171] warn_alloc.cold+0x7b/0x173 [ 727.201717] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 727.211062] ? zone_watermark_ok_safe+0x260/0x260 [ 727.213644] oom_reaper cpuset=/ mems_allowed=0-1 [ 727.215806] ? __cpuset_node_allowed+0x136/0x540 [ 727.247920] ? __isolate_free_page+0x4c0/0x4c0 [ 727.252504] ? wake_all_kswapds+0x14d/0x300 [ 727.256838] __alloc_pages_slowpath+0x2214/0x2870 [ 727.261814] ? warn_alloc+0x110/0x110 [ 727.265625] ? __lock_acquire+0x6ee/0x49c0 [ 727.269880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.275439] ? should_fail+0x14d/0x85c [ 727.279332] ? __isolate_free_page+0x4c0/0x4c0 [ 727.283959] __alloc_pages_nodemask+0x617/0x750 [ 727.288653] ? __alloc_pages_slowpath+0x2870/0x2870 [ 727.293702] ? find_held_lock+0x35/0x130 [ 727.297794] cache_grow_begin+0x91/0x8c0 [ 727.301881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.307432] ? __cpuset_node_allowed+0x136/0x540 [ 727.312222] fallback_alloc+0x1fd/0x2d0 [ 727.316227] ____cache_alloc_node+0x1be/0x1e0 [ 727.321418] kmem_cache_alloc_node+0xe3/0x710 [ 727.325932] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 727.330169] __alloc_skb+0xd5/0x5f0 [ 727.333816] ? skb_trim+0x190/0x190 [ 727.337456] ? kasan_check_read+0x11/0x20 [ 727.341618] ndisc_alloc_skb+0x13c/0x340 [ 727.345770] ndisc_send_rs+0x35f/0x6e0 [ 727.349657] addrconf_rs_timer+0x30f/0x680 [ 727.353892] ? ipv6_get_lladdr+0x490/0x490 [ 727.358131] call_timer_fn+0x18d/0x720 [ 727.362013] ? ipv6_get_lladdr+0x490/0x490 [ 727.366239] ? process_timeout+0x40/0x40 [ 727.370294] ? run_timer_softirq+0x644/0x16a0 [ 727.374801] ? trace_hardirqs_on+0x67/0x220 [ 727.379125] ? ipv6_get_lladdr+0x490/0x490 [ 727.383455] run_timer_softirq+0x64f/0x16a0 [ 727.387809] ? add_timer+0xbe0/0xbe0 [ 727.391589] ? __lock_is_held+0xb6/0x140 [ 727.395681] __do_softirq+0x25c/0x921 [ 727.399515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.405048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.410623] irq_exit+0x180/0x1d0 [ 727.414077] smp_apic_timer_interrupt+0x13b/0x550 [ 727.418928] apic_timer_interrupt+0xf/0x20 [ 727.423150] [ 727.425380] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 727.430306] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 727.449200] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 727.456900] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 727.464181] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 727.471440] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 727.478716] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 727.485977] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 727.493354] skb_clone+0x156/0x3e0 [ 727.496998] bpf_clone_redirect+0xb2/0x480 [ 727.501424] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 727.506445] ? 0xffffffff81000000 [ 727.509920] ? mark_held_locks+0x100/0x100 [ 727.514157] ? trace_hardirqs_on_caller+0x6a/0x220 [ 727.519098] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 727.523885] ? bpf_test_run+0x146/0x430 [ 727.527859] ? find_held_lock+0x35/0x130 [ 727.531913] ? bpf_test_run+0x146/0x430 [ 727.535886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.541422] ? check_preemption_disabled+0x48/0x290 [ 727.546688] ? lock_acquire+0x16f/0x3f0 [ 727.550659] ? kasan_check_read+0x11/0x20 [ 727.554798] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 727.559982] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.565508] bpf_test_run+0x10d/0x430 [ 727.569310] bpf_prog_test_run_skb+0x64b/0xb20 [ 727.573890] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 727.578739] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 727.584283] ? fput+0x128/0x1a0 [ 727.587559] ? __bpf_prog_get+0x97/0x290 [ 727.591629] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 727.596463] bpf_prog_test_run+0x129/0x1a0 [ 727.600692] __x64_sys_bpf+0x397/0x4c0 [ 727.604574] ? bpf_prog_get+0x20/0x20 [ 727.608374] ? do_syscall_64+0x26/0x620 [ 727.612341] ? lockdep_hardirqs_on+0x415/0x5d0 [ 727.616917] ? trace_hardirqs_on+0x67/0x220 [ 727.621241] do_syscall_64+0xfd/0x620 [ 727.625039] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.630218] RIP: 0033:0x45af49 [ 727.633415] Code: Bad RIP value. [ 727.636765] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 727.644472] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 727.651730] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 727.659000] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 727.666257] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 727.673518] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 727.680792] warn_alloc_show_mem: 1 callbacks suppressed [ 727.680803] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 727.680805] Mem-Info: [ 727.680833] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 727.680833] active_file:13 inactive_file:11 isolated_file:0 [ 727.680833] unevictable:0 dirty:0 writeback:0 unstable:0 [ 727.680833] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 727.680833] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 727.680833] free:10923 free_pcp:135 free_cma:0 [ 727.686171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.686178] Call Trace: [ 727.693542] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 727.695935] [ 727.728997] Node 1 active_anon:1432kB 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 [ 727.738328] dump_stack+0x197/0x210 [ 727.744097] Node 0 DMA free:10256kB 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 [ 727.771512] warn_alloc.cold+0x7b/0x173 [ 727.773723] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 727.800457] ? zone_watermark_ok_safe+0x260/0x260 [ 727.804063] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 727.830176] ? __cpuset_node_allowed+0x136/0x540 [ 727.834138] lowmem_reserve[]: 0 0 1 1 1 [ 727.839163] ? __isolate_free_page+0x4c0/0x4c0 [ 727.843972] 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 [ 727.872597] ? wake_all_kswapds+0x14d/0x300 [ 727.877329] lowmem_reserve[]: 0 0 0 0 0 [ 727.881314] __alloc_pages_slowpath+0x2214/0x2870 [ 727.885876] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 727.911674] ? warn_alloc+0x110/0x110 [ 727.915969] lowmem_reserve[]: 0 0 0 0 0 [ 727.919942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 727.924785] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 727.953090] ? should_fail+0x14d/0x85c [ 727.956867] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 727.960839] ? __isolate_free_page+0x4c0/0x4c0 [ 727.966344] 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 [ 727.978142] __alloc_pages_nodemask+0x617/0x750 [ 727.982004] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 727.996742] ? __alloc_pages_slowpath+0x2870/0x2870 [ 728.001311] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.011992] cache_grow_begin+0x91/0x8c0 [ 728.016643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.031719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.036730] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.045554] ? __cpuset_node_allowed+0x136/0x540 [ 728.049607] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.058176] fallback_alloc+0x1fd/0x2d0 [ 728.063687] 269 total pagecache pages [ 728.072524] ____cache_alloc_node+0x1be/0x1e0 [ 728.077268] 0 pages in swap cache [ 728.085832] kmem_cache_alloc_node+0xe3/0x710 [ 728.089777] Swap cache stats: add 0, delete 0, find 0/0 [ 728.089785] Free swap = 0kB [ 728.093596] __alloc_skb+0xd5/0x5f0 [ 728.098053] Total swap = 0kB [ 728.098062] 1965979 pages RAM [ 728.101504] ? skb_trim+0x190/0x190 [ 728.105967] 0 pages HighMem/MovableOnly [ 728.105975] 341723 pages reserved [ 728.111326] ? check_preemption_disabled+0x48/0x290 [ 728.114311] 0 pages cma reserved [ 728.114377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 728.117939] ? lock_acquire+0x16f/0x3f0 [ 728.117958] new_skb+0x28/0x1d0 [ 728.117973] aoecmd_cfg+0x1b5/0x640 [ 728.121053] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.124100] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 728.127705] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 728.131685] ? timer_reduce+0x11d0/0x11d0 [ 728.185389] discover_timer+0x4e/0x60 [ 728.189193] call_timer_fn+0x18d/0x720 [ 728.193073] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 728.197732] ? process_timeout+0x40/0x40 [ 728.201794] ? run_timer_softirq+0x644/0x16a0 [ 728.206287] ? trace_hardirqs_on+0x67/0x220 [ 728.210605] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 728.215267] run_timer_softirq+0x64f/0x16a0 [ 728.219587] ? add_timer+0xbe0/0xbe0 [ 728.223303] ? __lock_is_held+0xb6/0x140 [ 728.227377] __do_softirq+0x25c/0x921 [ 728.231178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.236721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.242263] irq_exit+0x180/0x1d0 [ 728.245722] smp_apic_timer_interrupt+0x13b/0x550 [ 728.250563] apic_timer_interrupt+0xf/0x20 [ 728.254783] [ 728.257015] RIP: 0010:smp_call_function_single+0x139/0x420 [ 728.262638] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 728.281791] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 728.289506] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 728.296784] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 728.304063] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 728.311341] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 728.318604] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 728.325886] ? smp_call_function_single+0x14c/0x420 [ 728.330897] ? smp_call_function_single+0x137/0x420 [ 728.335929] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 728.341832] ? generic_exec_single+0x490/0x490 [ 728.346418] ? __lock_acquire+0x6ee/0x49c0 [ 728.350667] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 728.356486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 728.361675] ? find_next_and_bit+0x19a/0x200 [ 728.366090] smp_call_function_many+0x75f/0x8e0 [ 728.370767] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 728.376563] native_flush_tlb_others+0x81/0x420 [ 728.381238] flush_tlb_mm_range+0x21c/0x350 [ 728.386084] ? native_flush_tlb_others+0x420/0x420 [ 728.391016] ? lock_acquire+0x16f/0x3f0 [ 728.394987] ? kasan_check_write+0x14/0x20 [ 728.399218] flush_tlb_batched_pending+0x6e/0xb0 [ 728.403970] unmap_page_range+0x8b5/0x1fb0 [ 728.408212] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 728.412699] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.418240] ? kasan_check_write+0x14/0x20 [ 728.422476] __oom_reap_task_mm+0x1fb/0x3a0 [ 728.426807] ? process_shares_mm+0x130/0x130 [ 728.431210] ? oom_reaper+0x12c/0x1160 [ 728.435098] ? __lock_is_held+0xb6/0x140 [ 728.439162] oom_reaper+0x246/0x1160 [ 728.442886] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 728.447375] ? trace_hardirqs_on+0x67/0x220 [ 728.451691] ? finish_wait+0x260/0x260 [ 728.455600] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 728.460707] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.466282] ? __kthread_parkme+0xfb/0x1b0 [ 728.470565] kthread+0x354/0x420 [ 728.473935] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 728.478430] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 728.483969] ret_from_fork+0x24/0x30 [ 728.487693] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 728.487754] aoe: skb alloc failure [ 728.495508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.495516] Call Trace: [ 728.499149] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 728.508530] [ 728.511112] oom_reaper cpuset=/ mems_allowed=0-1 [ 728.521335] dump_stack+0x197/0x210 [ 728.531812] warn_alloc.cold+0x7b/0x173 [ 728.535780] ? zone_watermark_ok_safe+0x260/0x260 [ 728.540619] ? __cpuset_node_allowed+0x136/0x540 [ 728.545377] ? __isolate_free_page+0x4c0/0x4c0 [ 728.549955] ? wake_all_kswapds+0x14d/0x300 [ 728.554310] __alloc_pages_slowpath+0x2214/0x2870 [ 728.559164] ? warn_alloc+0x110/0x110 [ 728.562961] ? __lock_acquire+0x6ee/0x49c0 [ 728.567296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.572864] ? should_fail+0x14d/0x85c [ 728.576785] ? __isolate_free_page+0x4c0/0x4c0 [ 728.581397] __alloc_pages_nodemask+0x617/0x750 [ 728.586071] ? __alloc_pages_slowpath+0x2870/0x2870 [ 728.591102] ? find_held_lock+0x35/0x130 [ 728.595167] cache_grow_begin+0x91/0x8c0 [ 728.599223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.604755] ? __cpuset_node_allowed+0x136/0x540 [ 728.609505] fallback_alloc+0x1fd/0x2d0 [ 728.613477] ____cache_alloc_node+0x1be/0x1e0 [ 728.617982] kmem_cache_alloc_node+0xe3/0x710 [ 728.622478] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 728.626715] __alloc_skb+0xd5/0x5f0 [ 728.630356] ? skb_trim+0x190/0x190 [ 728.633985] ? kasan_check_read+0x11/0x20 [ 728.638135] ndisc_alloc_skb+0x13c/0x340 [ 728.642194] ndisc_send_rs+0x35f/0x6e0 [ 728.646077] addrconf_rs_timer+0x30f/0x680 [ 728.650308] ? ipv6_get_lladdr+0x490/0x490 [ 728.654557] call_timer_fn+0x18d/0x720 [ 728.658451] ? ipv6_get_lladdr+0x490/0x490 [ 728.662681] ? process_timeout+0x40/0x40 [ 728.666732] ? run_timer_softirq+0x644/0x16a0 [ 728.671223] ? trace_hardirqs_on+0x67/0x220 [ 728.675539] ? ipv6_get_lladdr+0x490/0x490 [ 728.680389] run_timer_softirq+0x64f/0x16a0 [ 728.684712] ? add_timer+0xbe0/0xbe0 [ 728.688424] ? __lock_is_held+0xb6/0x140 [ 728.692504] __do_softirq+0x25c/0x921 [ 728.696304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.701833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.707371] irq_exit+0x180/0x1d0 [ 728.710821] smp_apic_timer_interrupt+0x13b/0x550 [ 728.715667] apic_timer_interrupt+0xf/0x20 [ 728.719890] [ 728.722134] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 728.727057] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 728.745949] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 728.753648] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 728.760912] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 728.768172] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 728.775432] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 728.782691] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 728.789990] skb_clone+0x156/0x3e0 [ 728.793528] bpf_clone_redirect+0xb2/0x480 [ 728.797773] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 728.802779] ? 0xffffffff81000000 [ 728.806239] ? mark_held_locks+0x100/0x100 [ 728.810470] ? trace_hardirqs_on_caller+0x6a/0x220 [ 728.815397] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 728.820152] ? bpf_test_run+0x146/0x430 [ 728.824120] ? find_held_lock+0x35/0x130 [ 728.828184] ? bpf_test_run+0x146/0x430 [ 728.832156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.837689] ? check_preemption_disabled+0x48/0x290 [ 728.842698] ? lock_acquire+0x16f/0x3f0 [ 728.846676] ? kasan_check_read+0x11/0x20 [ 728.850956] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 728.856162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.861721] bpf_test_run+0x10d/0x430 [ 728.865532] bpf_prog_test_run_skb+0x64b/0xb20 [ 728.870118] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 728.874960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.880493] ? fput+0x128/0x1a0 [ 728.884133] ? __bpf_prog_get+0x97/0x290 [ 728.888186] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 728.893021] bpf_prog_test_run+0x129/0x1a0 [ 728.897251] __x64_sys_bpf+0x397/0x4c0 [ 728.901129] ? bpf_prog_get+0x20/0x20 [ 728.904932] ? do_syscall_64+0x26/0x620 [ 728.908914] ? lockdep_hardirqs_on+0x415/0x5d0 [ 728.913494] ? trace_hardirqs_on+0x67/0x220 [ 728.917811] do_syscall_64+0xfd/0x620 [ 728.921608] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.926798] RIP: 0033:0x45af49 [ 728.930004] Code: Bad RIP value. [ 728.933357] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 728.941055] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 728.948317] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 728.955576] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 728.962836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 728.970098] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 728.977375] warn_alloc_show_mem: 1 callbacks suppressed [ 728.977385] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 728.977386] Mem-Info: [ 728.977415] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 728.977415] active_file:13 inactive_file:11 isolated_file:0 [ 728.977415] unevictable:0 dirty:0 writeback:0 unstable:0 [ 728.977415] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 728.977415] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 728.977415] free:10923 free_pcp:135 free_cma:0 [ 728.982897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.990276] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 728.992689] Call Trace: [ 729.025848] Node 1 active_anon:1432kB 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 [ 729.035174] [ 729.063004] Node 0 DMA free:10256kB 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 [ 729.065594] dump_stack+0x197/0x210 [ 729.091498] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 729.093660] warn_alloc.cold+0x7b/0x173 [ 729.119743] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 729.123469] ? zone_watermark_ok_safe+0x260/0x260 [ 729.128454] lowmem_reserve[]: 0 0 1 1 1 [ 729.132433] ? __cpuset_node_allowed+0x136/0x540 [ 729.161133] 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 [ 729.165979] ? __isolate_free_page+0x4c0/0x4c0 [ 729.169916] lowmem_reserve[]: 0 0 0 0 0 [ 729.175282] ? wake_all_kswapds+0x14d/0x300 [ 729.201029] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 729.205615] __alloc_pages_slowpath+0x2214/0x2870 [ 729.209559] lowmem_reserve[]: 0 0 0 0 0 [ 729.213920] ? warn_alloc+0x110/0x110 [ 729.241726] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 729.246566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.250602] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 729.254409] ? should_fail+0x14d/0x85c [ 729.266166] 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 [ 729.271806] ? __isolate_free_page+0x4c0/0x4c0 [ 729.287222] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 729.291129] __alloc_pages_nodemask+0x617/0x750 [ 729.301775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 729.306360] ? __alloc_pages_slowpath+0x2870/0x2870 [ 729.321428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 729.321441] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 729.326133] cache_grow_begin+0x91/0x8c0 [ 729.334964] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 729.334973] 269 total pagecache pages [ 729.339992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.348675] 0 pages in swap cache [ 729.357617] ? __cpuset_node_allowed+0x136/0x540 [ 729.361673] Swap cache stats: add 0, delete 0, find 0/0 [ 729.371229] fallback_alloc+0x1fd/0x2d0 [ 729.375027] Free swap = 0kB [ 729.380564] ____cache_alloc_node+0x1be/0x1e0 [ 729.384000] Total swap = 0kB [ 729.384009] 1965979 pages RAM [ 729.388757] kmem_cache_alloc_node+0xe3/0x710 [ 729.394100] 0 pages HighMem/MovableOnly [ 729.394108] 341723 pages reserved [ 729.398086] __alloc_skb+0xd5/0x5f0 [ 729.401264] 0 pages cma reserved [ 729.401328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 729.405883] ? skb_trim+0x190/0x190 [ 729.410436] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 729.413454] ? check_preemption_disabled+0x48/0x290 [ 729.417921] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 729.422055] ? lock_acquire+0x16f/0x3f0 [ 729.422075] new_skb+0x28/0x1d0 [ 729.470796] aoecmd_cfg+0x1b5/0x640 [ 729.474418] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 729.478751] ? timer_reduce+0x11d0/0x11d0 [ 729.482896] discover_timer+0x4e/0x60 [ 729.486688] call_timer_fn+0x18d/0x720 [ 729.490566] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 729.495239] ? process_timeout+0x40/0x40 [ 729.499299] ? run_timer_softirq+0x644/0x16a0 [ 729.503815] ? trace_hardirqs_on+0x67/0x220 [ 729.508140] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 729.512813] run_timer_softirq+0x64f/0x16a0 [ 729.517140] ? add_timer+0xbe0/0xbe0 [ 729.520852] ? __lock_is_held+0xb6/0x140 [ 729.524917] __do_softirq+0x25c/0x921 [ 729.528714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.534269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.539942] irq_exit+0x180/0x1d0 [ 729.543412] smp_apic_timer_interrupt+0x13b/0x550 [ 729.548523] apic_timer_interrupt+0xf/0x20 [ 729.552773] [ 729.555010] RIP: 0010:smp_call_function_single+0x139/0x420 [ 729.560631] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 729.579532] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 729.587254] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 729.594521] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 729.601869] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 729.609131] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 729.616411] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 729.623689] ? smp_call_function_single+0x14c/0x420 [ 729.628704] ? smp_call_function_single+0x137/0x420 [ 729.633723] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 729.639516] ? generic_exec_single+0x490/0x490 [ 729.644090] ? __lock_acquire+0x6ee/0x49c0 [ 729.648320] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 729.654114] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 729.659127] ? find_next_and_bit+0x19a/0x200 [ 729.663560] smp_call_function_many+0x75f/0x8e0 [ 729.668343] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 729.674150] native_flush_tlb_others+0x81/0x420 [ 729.678816] flush_tlb_mm_range+0x21c/0x350 [ 729.683129] ? native_flush_tlb_others+0x420/0x420 [ 729.688050] ? lock_acquire+0x16f/0x3f0 [ 729.692021] ? kasan_check_write+0x14/0x20 [ 729.696248] flush_tlb_batched_pending+0x6e/0xb0 [ 729.700998] unmap_page_range+0x8b5/0x1fb0 [ 729.705242] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 729.709728] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 729.715271] ? kasan_check_write+0x14/0x20 [ 729.719515] __oom_reap_task_mm+0x1fb/0x3a0 [ 729.723843] ? process_shares_mm+0x130/0x130 [ 729.728330] ? oom_reaper+0x12c/0x1160 [ 729.732227] ? __lock_is_held+0xb6/0x140 [ 729.736288] oom_reaper+0x246/0x1160 [ 729.740026] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 729.744513] ? trace_hardirqs_on+0x67/0x220 [ 729.748829] ? finish_wait+0x260/0x260 [ 729.752709] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 729.757806] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 729.763337] ? __kthread_parkme+0xfb/0x1b0 [ 729.767567] kthread+0x354/0x420 [ 729.770924] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 729.775409] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 729.780943] ret_from_fork+0x24/0x30 [ 729.784753] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 729.784809] aoe: skb alloc failure [ 729.792558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.792563] Call Trace: [ 729.792568] [ 729.792586] dump_stack+0x197/0x210 [ 729.792604] warn_alloc.cold+0x7b/0x173 [ 729.796149] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 729.805474] ? zone_watermark_ok_safe+0x260/0x260 [ 729.808033] oom_reaper cpuset=/ mems_allowed=0-1 [ 729.810172] ? __cpuset_node_allowed+0x136/0x540 [ 729.842232] ? __isolate_free_page+0x4c0/0x4c0 [ 729.846809] ? wake_all_kswapds+0x14d/0x300 [ 729.851141] __alloc_pages_slowpath+0x2214/0x2870 [ 729.855992] ? warn_alloc+0x110/0x110 [ 729.859791] ? __lock_acquire+0x6ee/0x49c0 [ 729.864018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.869815] ? should_fail+0x14d/0x85c [ 729.873697] ? __isolate_free_page+0x4c0/0x4c0 [ 729.878280] __alloc_pages_nodemask+0x617/0x750 [ 729.882945] ? __alloc_pages_slowpath+0x2870/0x2870 [ 729.887961] ? find_held_lock+0x35/0x130 [ 729.892026] cache_grow_begin+0x91/0x8c0 [ 729.896079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.901623] ? __cpuset_node_allowed+0x136/0x540 [ 729.906370] fallback_alloc+0x1fd/0x2d0 [ 729.910337] ____cache_alloc_node+0x1be/0x1e0 [ 729.914825] kmem_cache_alloc_node+0xe3/0x710 [ 729.919322] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 729.924641] __alloc_skb+0xd5/0x5f0 [ 729.928300] ? skb_trim+0x190/0x190 [ 729.931928] ? kasan_check_read+0x11/0x20 [ 729.936079] ndisc_alloc_skb+0x13c/0x340 [ 729.940139] ndisc_send_rs+0x35f/0x6e0 [ 729.944025] addrconf_rs_timer+0x30f/0x680 [ 729.948516] ? ipv6_get_lladdr+0x490/0x490 [ 729.952748] call_timer_fn+0x18d/0x720 [ 729.956628] ? ipv6_get_lladdr+0x490/0x490 [ 729.960853] ? process_timeout+0x40/0x40 [ 729.964903] ? run_timer_softirq+0x644/0x16a0 [ 729.969393] ? trace_hardirqs_on+0x67/0x220 [ 729.973711] ? ipv6_get_lladdr+0x490/0x490 [ 729.977936] run_timer_softirq+0x64f/0x16a0 [ 729.982253] ? add_timer+0xbe0/0xbe0 [ 729.985958] ? __lock_is_held+0xb6/0x140 [ 729.990021] __do_softirq+0x25c/0x921 [ 729.993820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.999349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.004886] irq_exit+0x180/0x1d0 [ 730.008355] smp_apic_timer_interrupt+0x13b/0x550 [ 730.013193] apic_timer_interrupt+0xf/0x20 [ 730.017412] [ 730.019645] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 730.024567] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 730.043543] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 730.051256] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 730.058525] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 730.065899] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 730.073165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 730.080429] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 730.087738] skb_clone+0x156/0x3e0 [ 730.091276] bpf_clone_redirect+0xb2/0x480 [ 730.095519] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 730.101653] ? 0xffffffff81000000 [ 730.105106] ? mark_held_locks+0x100/0x100 [ 730.109331] ? trace_hardirqs_on_caller+0x6a/0x220 [ 730.114256] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 730.119001] ? bpf_test_run+0x146/0x430 [ 730.122987] ? find_held_lock+0x35/0x130 [ 730.127048] ? bpf_test_run+0x146/0x430 [ 730.131017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.137772] ? check_preemption_disabled+0x48/0x290 [ 730.142790] ? lock_acquire+0x16f/0x3f0 [ 730.146758] ? kasan_check_read+0x11/0x20 [ 730.150896] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 730.156085] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 730.161613] bpf_test_run+0x10d/0x430 [ 730.165418] bpf_prog_test_run_skb+0x64b/0xb20 [ 730.170046] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 730.174878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 730.180408] ? fput+0x128/0x1a0 [ 730.183688] ? __bpf_prog_get+0x97/0x290 [ 730.187740] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 730.192600] bpf_prog_test_run+0x129/0x1a0 [ 730.196828] __x64_sys_bpf+0x397/0x4c0 [ 730.200707] ? bpf_prog_get+0x20/0x20 [ 730.204506] ? do_syscall_64+0x26/0x620 [ 730.208473] ? lockdep_hardirqs_on+0x415/0x5d0 [ 730.213046] ? trace_hardirqs_on+0x67/0x220 [ 730.217380] do_syscall_64+0xfd/0x620 [ 730.221182] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.226446] RIP: 0033:0x45af49 [ 730.229643] Code: Bad RIP value. [ 730.232994] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 730.240690] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 730.249696] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 730.256953] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 730.265077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 730.272338] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 730.279619] warn_alloc_show_mem: 1 callbacks suppressed [ 730.279635] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 730.279637] Mem-Info: [ 730.279666] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 730.279666] active_file:13 inactive_file:11 isolated_file:0 [ 730.279666] unevictable:0 dirty:0 writeback:0 unstable:0 [ 730.279666] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 730.279666] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 730.279666] free:10923 free_pcp:135 free_cma:0 [ 730.285017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.292463] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 730.294852] Call Trace: [ 730.330844] Node 1 active_anon:1432kB 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 [ 730.330852] Node 0 DMA free:10256kB 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 [ 730.340325] [ 730.367903] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 730.370492] dump_stack+0x197/0x210 [ 730.396397] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 730.422516] warn_alloc.cold+0x7b/0x173 [ 730.424636] lowmem_reserve[]: 0 0 1 1 1 [ 730.429686] ? zone_watermark_ok_safe+0x260/0x260 [ 730.433298] 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 [ 730.461950] ? __cpuset_node_allowed+0x136/0x540 [ 730.465903] lowmem_reserve[]: 0 0 0 0 0 [ 730.469883] ? __isolate_free_page+0x4c0/0x4c0 [ 730.474708] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 730.500481] ? wake_all_kswapds+0x14d/0x300 [ 730.505213] lowmem_reserve[]: 0 0 0 0 0 [ 730.509218] __alloc_pages_slowpath+0x2214/0x2870 [ 730.513788] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 730.541771] ? warn_alloc+0x110/0x110 [ 730.546062] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 730.550038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 730.554861] 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 [ 730.566641] ? should_fail+0x14d/0x85c [ 730.570423] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 730.585157] ? __isolate_free_page+0x4c0/0x4c0 [ 730.590684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 730.601334] __alloc_pages_nodemask+0x617/0x750 [ 730.605192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 730.620392] ? __alloc_pages_slowpath+0x2870/0x2870 [ 730.624952] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 730.633785] cache_grow_begin+0x91/0x8c0 [ 730.638423] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 730.646999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.651995] 269 total pagecache pages [ 730.660817] ? __cpuset_node_allowed+0x136/0x540 [ 730.664856] 0 pages in swap cache [ 730.673418] fallback_alloc+0x1fd/0x2d0 [ 730.679105] Swap cache stats: add 0, delete 0, find 0/0 [ 730.682899] ____cache_alloc_node+0x1be/0x1e0 [ 730.687624] Free swap = 0kB [ 730.691066] kmem_cache_alloc_node+0xe3/0x710 [ 730.695011] Total swap = 0kB [ 730.700374] __alloc_skb+0xd5/0x5f0 [ 730.704836] 1965979 pages RAM [ 730.707862] ? skb_trim+0x190/0x190 [ 730.712330] 0 pages HighMem/MovableOnly [ 730.712338] 341723 pages reserved [ 730.715351] ? check_preemption_disabled+0x48/0x290 [ 730.718945] 0 pages cma reserved [ 730.719011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 730.722047] ? lock_acquire+0x16f/0x3f0 [ 730.725701] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 730.729627] new_skb+0x28/0x1d0 [ 730.733061] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 730.738078] aoecmd_cfg+0x1b5/0x640 [ 730.774715] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 730.779033] ? timer_reduce+0x11d0/0x11d0 [ 730.783182] discover_timer+0x4e/0x60 [ 730.786976] call_timer_fn+0x18d/0x720 [ 730.790854] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 730.795513] ? process_timeout+0x40/0x40 [ 730.799563] ? run_timer_softirq+0x644/0x16a0 [ 730.804053] ? trace_hardirqs_on+0x67/0x220 [ 730.808380] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 730.813049] run_timer_softirq+0x64f/0x16a0 [ 730.817378] ? add_timer+0xbe0/0xbe0 [ 730.821086] ? __lock_is_held+0xb6/0x140 [ 730.825148] __do_softirq+0x25c/0x921 [ 730.828944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.834567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.840106] irq_exit+0x180/0x1d0 [ 730.843551] smp_apic_timer_interrupt+0x13b/0x550 [ 730.848390] apic_timer_interrupt+0xf/0x20 [ 730.852617] [ 730.854848] RIP: 0010:smp_call_function_single+0x139/0x420 [ 730.860465] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 730.879365] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 730.887062] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 730.894325] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 730.901586] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 730.908850] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 730.916114] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 730.923434] ? smp_call_function_single+0x14c/0x420 [ 730.928457] ? smp_call_function_single+0x137/0x420 [ 730.933560] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 730.939354] ? generic_exec_single+0x490/0x490 [ 730.943928] ? __lock_acquire+0x6ee/0x49c0 [ 730.948158] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 730.953946] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 730.958964] ? find_next_and_bit+0x19a/0x200 [ 730.963481] smp_call_function_many+0x75f/0x8e0 [ 730.968172] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 730.973974] native_flush_tlb_others+0x81/0x420 [ 730.978642] flush_tlb_mm_range+0x21c/0x350 [ 730.982958] ? native_flush_tlb_others+0x420/0x420 [ 730.987991] ? lock_acquire+0x16f/0x3f0 [ 730.991979] ? kasan_check_write+0x14/0x20 [ 730.996333] flush_tlb_batched_pending+0x6e/0xb0 [ 731.001107] unmap_page_range+0x8b5/0x1fb0 [ 731.005356] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 731.009856] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.015396] ? kasan_check_write+0x14/0x20 [ 731.020326] __oom_reap_task_mm+0x1fb/0x3a0 [ 731.024641] ? process_shares_mm+0x130/0x130 [ 731.029051] ? oom_reaper+0x12c/0x1160 [ 731.032941] ? __lock_is_held+0xb6/0x140 [ 731.037002] oom_reaper+0x246/0x1160 [ 731.040713] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 731.045201] ? trace_hardirqs_on+0x67/0x220 [ 731.049533] ? finish_wait+0x260/0x260 [ 731.053417] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 731.058530] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.064064] ? __kthread_parkme+0xfb/0x1b0 [ 731.068304] kthread+0x354/0x420 [ 731.071663] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 731.076149] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 731.081687] ret_from_fork+0x24/0x30 [ 731.085413] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 731.085469] aoe: skb alloc failure [ 731.093221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.093226] Call Trace: [ 731.093232] [ 731.093248] dump_stack+0x197/0x210 [ 731.093265] warn_alloc.cold+0x7b/0x173 [ 731.096809] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 731.106133] ? zone_watermark_ok_safe+0x260/0x260 [ 731.108691] oom_reaper cpuset=/ mems_allowed=0-1 [ 731.110830] ? __cpuset_node_allowed+0x136/0x540 [ 731.142989] ? __isolate_free_page+0x4c0/0x4c0 [ 731.147569] ? wake_all_kswapds+0x14d/0x300 [ 731.151892] __alloc_pages_slowpath+0x2214/0x2870 [ 731.156759] ? warn_alloc+0x110/0x110 [ 731.160559] ? __lock_acquire+0x6ee/0x49c0 [ 731.164786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.170313] ? should_fail+0x14d/0x85c [ 731.174193] ? __isolate_free_page+0x4c0/0x4c0 [ 731.178774] __alloc_pages_nodemask+0x617/0x750 [ 731.183438] ? __alloc_pages_slowpath+0x2870/0x2870 [ 731.188461] ? find_held_lock+0x35/0x130 [ 731.192517] cache_grow_begin+0x91/0x8c0 [ 731.196611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.202137] ? __cpuset_node_allowed+0x136/0x540 [ 731.206894] fallback_alloc+0x1fd/0x2d0 [ 731.210865] ____cache_alloc_node+0x1be/0x1e0 [ 731.215355] kmem_cache_alloc+0x1f3/0x700 [ 731.219493] ? mark_held_locks+0xb1/0x100 [ 731.223633] ? __netdev_alloc_skb+0x370/0x470 [ 731.228559] __build_skb+0x3e/0x310 [ 731.232177] __netdev_alloc_skb+0x2ba/0x470 [ 731.236496] send_hsr_supervision_frame+0x110/0xf30 [ 731.241503] ? lock_acquire+0x16f/0x3f0 [ 731.245470] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 731.250480] hsr_announce+0x12f/0x3b0 [ 731.254284] call_timer_fn+0x18d/0x720 [ 731.258174] ? send_hsr_supervision_frame+0xf30/0xf30 [ 731.263354] ? process_timeout+0x40/0x40 [ 731.267403] ? run_timer_softirq+0x644/0x16a0 [ 731.271891] ? trace_hardirqs_on+0x67/0x220 [ 731.276207] ? send_hsr_supervision_frame+0xf30/0xf30 [ 731.281387] run_timer_softirq+0x64f/0x16a0 [ 731.285705] ? add_timer+0xbe0/0xbe0 [ 731.289410] ? __lock_is_held+0xb6/0x140 [ 731.293472] __do_softirq+0x25c/0x921 [ 731.298132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.303831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.309365] irq_exit+0x180/0x1d0 [ 731.312814] smp_apic_timer_interrupt+0x13b/0x550 [ 731.317658] apic_timer_interrupt+0xf/0x20 [ 731.321876] [ 731.324106] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 731.329028] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 731.348025] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 731.355732] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 731.362995] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 731.370257] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 731.377514] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 731.384771] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 731.392070] skb_clone+0x156/0x3e0 [ 731.395608] bpf_clone_redirect+0xb2/0x480 [ 731.403232] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 731.408248] ? 0xffffffff81000000 [ 731.412047] ? mark_held_locks+0x100/0x100 [ 731.416275] ? trace_hardirqs_on_caller+0x6a/0x220 [ 731.421201] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 731.425950] ? bpf_test_run+0x146/0x430 [ 731.429915] ? find_held_lock+0x35/0x130 [ 731.433967] ? bpf_test_run+0x146/0x430 [ 731.437935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.443461] ? check_preemption_disabled+0x48/0x290 [ 731.448554] ? lock_acquire+0x16f/0x3f0 [ 731.452521] ? kasan_check_read+0x11/0x20 [ 731.456680] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 731.461957] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.467484] bpf_test_run+0x10d/0x430 [ 731.471284] bpf_prog_test_run_skb+0x64b/0xb20 [ 731.477513] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 731.482354] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 731.487881] ? fput+0x128/0x1a0 [ 731.491183] ? __bpf_prog_get+0x97/0x290 [ 731.495236] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 731.500090] bpf_prog_test_run+0x129/0x1a0 [ 731.504344] __x64_sys_bpf+0x397/0x4c0 [ 731.508254] ? bpf_prog_get+0x20/0x20 [ 731.512078] ? do_syscall_64+0x26/0x620 [ 731.516053] ? lockdep_hardirqs_on+0x415/0x5d0 [ 731.520642] ? trace_hardirqs_on+0x67/0x220 [ 731.524965] do_syscall_64+0xfd/0x620 [ 731.528856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 731.534048] RIP: 0033:0x45af49 [ 731.537242] Code: Bad RIP value. [ 731.540595] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 731.548300] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 731.555557] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 731.562825] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 731.570092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 731.577459] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 731.584775] warn_alloc_show_mem: 1 callbacks suppressed [ 731.584785] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 731.584787] Mem-Info: [ 731.584818] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 731.584818] active_file:13 inactive_file:11 isolated_file:0 [ 731.584818] unevictable:0 dirty:0 writeback:0 unstable:0 [ 731.584818] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 731.584818] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 731.584818] free:10923 free_pcp:135 free_cma:0 [ 731.590167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.597532] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 731.599923] Call Trace: [ 731.632978] Node 1 active_anon:1432kB 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 [ 731.642316] [ 731.669709] Node 0 DMA free:10256kB 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 [ 731.672299] dump_stack+0x197/0x210 [ 731.698209] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 731.700385] warn_alloc.cold+0x7b/0x173 [ 731.726461] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 731.730096] ? zone_watermark_ok_safe+0x260/0x260 [ 731.735082] lowmem_reserve[]: 0 0 1 1 1 [ 731.739049] ? __cpuset_node_allowed+0x136/0x540 [ 731.768265] 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 [ 731.773108] ? __isolate_free_page+0x4c0/0x4c0 [ 731.777054] lowmem_reserve[]: 0 0 0 0 0 [ 731.781802] ? wake_all_kswapds+0x14d/0x300 [ 731.807540] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 731.812138] __alloc_pages_slowpath+0x2214/0x2870 [ 731.816071] lowmem_reserve[]: 0 0 0 0 0 [ 731.820411] ? warn_alloc+0x110/0x110 [ 731.848220] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 731.853070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.857016] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 731.860811] ? should_fail+0x14d/0x85c [ 731.872569] 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 [ 731.878109] ? __isolate_free_page+0x4c0/0x4c0 [ 731.892816] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 731.896707] __alloc_pages_nodemask+0x617/0x750 [ 731.907358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 731.911926] ? __alloc_pages_slowpath+0x2870/0x2870 [ 731.927258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 731.931940] cache_grow_begin+0x91/0x8c0 [ 731.940743] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 731.945743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.954297] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 731.958342] ? __cpuset_node_allowed+0x136/0x540 [ 731.967150] 269 total pagecache pages [ 731.972676] fallback_alloc+0x1fd/0x2d0 [ 731.981324] 0 pages in swap cache [ 731.986423] ____cache_alloc_node+0x1be/0x1e0 [ 731.990201] Swap cache stats: add 0, delete 0, find 0/0 [ 731.990209] Free swap = 0kB [ 731.994172] kmem_cache_alloc_node+0xe3/0x710 [ 731.997605] Total swap = 0kB [ 732.002203] __alloc_skb+0xd5/0x5f0 [ 732.007533] 1965979 pages RAM [ 732.010543] ? skb_trim+0x190/0x190 [ 732.015006] 0 pages HighMem/MovableOnly [ 732.015014] 341723 pages reserved [ 732.018022] ? check_preemption_disabled+0x48/0x290 [ 732.021618] 0 pages cma reserved [ 732.024720] ? lock_acquire+0x16f/0x3f0 [ 732.028421] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.032286] new_skb+0x28/0x1d0 [ 732.035711] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 732.040755] aoecmd_cfg+0x1b5/0x640 [ 732.070863] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 732.075184] ? timer_reduce+0x11d0/0x11d0 [ 732.079337] discover_timer+0x4e/0x60 [ 732.083564] call_timer_fn+0x18d/0x720 [ 732.087443] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 732.092106] ? process_timeout+0x40/0x40 [ 732.096159] ? run_timer_softirq+0x644/0x16a0 [ 732.100677] ? trace_hardirqs_on+0x67/0x220 [ 732.104995] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 732.109654] run_timer_softirq+0x64f/0x16a0 [ 732.114070] ? add_timer+0xbe0/0xbe0 [ 732.117777] ? __lock_is_held+0xb6/0x140 [ 732.121840] __do_softirq+0x25c/0x921 [ 732.125632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.131160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.136697] irq_exit+0x180/0x1d0 [ 732.140147] smp_apic_timer_interrupt+0x13b/0x550 [ 732.144986] apic_timer_interrupt+0xf/0x20 [ 732.149213] [ 732.151452] RIP: 0010:smp_call_function_single+0x139/0x420 [ 732.157066] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 732.175966] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 732.183668] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 732.190943] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 732.198221] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 732.205661] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 732.212936] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 732.220223] ? smp_call_function_single+0x14c/0x420 [ 732.225231] ? smp_call_function_single+0x137/0x420 [ 732.230246] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 732.236035] ? generic_exec_single+0x490/0x490 [ 732.240614] ? __lock_acquire+0x6ee/0x49c0 [ 732.244842] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 732.250632] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 732.255639] ? find_next_and_bit+0x19a/0x200 [ 732.260049] smp_call_function_many+0x75f/0x8e0 [ 732.264713] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 732.270508] native_flush_tlb_others+0x81/0x420 [ 732.275174] flush_tlb_mm_range+0x21c/0x350 [ 732.279489] ? native_flush_tlb_others+0x420/0x420 [ 732.284421] ? lock_acquire+0x16f/0x3f0 [ 732.288484] ? kasan_check_write+0x14/0x20 [ 732.292732] flush_tlb_batched_pending+0x6e/0xb0 [ 732.297505] unmap_page_range+0x8b5/0x1fb0 [ 732.301748] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 732.306232] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.311763] ? kasan_check_write+0x14/0x20 [ 732.315994] __oom_reap_task_mm+0x1fb/0x3a0 [ 732.320314] ? process_shares_mm+0x130/0x130 [ 732.325611] ? oom_reaper+0x12c/0x1160 [ 732.329502] ? __lock_is_held+0xb6/0x140 [ 732.333640] oom_reaper+0x246/0x1160 [ 732.337359] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 732.341864] ? trace_hardirqs_on+0x67/0x220 [ 732.346184] ? finish_wait+0x260/0x260 [ 732.350067] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 732.355177] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.360708] ? __kthread_parkme+0xfb/0x1b0 [ 732.364938] kthread+0x354/0x420 [ 732.368297] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 732.372783] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 732.378320] ret_from_fork+0x24/0x30 [ 732.382065] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 732.382119] aoe: skb alloc failure [ 732.389868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.389873] Call Trace: [ 732.389879] [ 732.389895] dump_stack+0x197/0x210 [ 732.389912] warn_alloc.cold+0x7b/0x173 [ 732.393454] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 732.402778] ? zone_watermark_ok_safe+0x260/0x260 [ 732.405332] oom_reaper cpuset=/ mems_allowed=0-1 [ 732.407474] ? __cpuset_node_allowed+0x136/0x540 [ 732.440835] ? __isolate_free_page+0x4c0/0x4c0 [ 732.445425] ? wake_all_kswapds+0x14d/0x300 [ 732.449881] __alloc_pages_slowpath+0x2214/0x2870 [ 732.454752] ? warn_alloc+0x110/0x110 [ 732.458550] ? __lock_acquire+0x6ee/0x49c0 [ 732.462785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 732.468322] ? should_fail+0x14d/0x85c [ 732.472215] ? __isolate_free_page+0x4c0/0x4c0 [ 732.476798] __alloc_pages_nodemask+0x617/0x750 [ 732.481463] ? __alloc_pages_slowpath+0x2870/0x2870 [ 732.486479] ? find_held_lock+0x35/0x130 [ 732.490534] cache_grow_begin+0x91/0x8c0 [ 732.494673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.500338] ? __cpuset_node_allowed+0x136/0x540 [ 732.505207] fallback_alloc+0x1fd/0x2d0 [ 732.509193] ____cache_alloc_node+0x1be/0x1e0 [ 732.513687] kmem_cache_alloc+0x1f3/0x700 [ 732.517826] ? mark_held_locks+0xb1/0x100 [ 732.521977] ? __netdev_alloc_skb+0x370/0x470 [ 732.526466] __build_skb+0x3e/0x310 [ 732.530090] __netdev_alloc_skb+0x2ba/0x470 [ 732.534413] send_hsr_supervision_frame+0x110/0xf30 [ 732.539422] ? lock_acquire+0x16f/0x3f0 [ 732.543401] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 732.548427] hsr_announce+0x12f/0x3b0 [ 732.553872] call_timer_fn+0x18d/0x720 [ 732.557756] ? send_hsr_supervision_frame+0xf30/0xf30 [ 732.562941] ? process_timeout+0x40/0x40 [ 732.566991] ? run_timer_softirq+0x644/0x16a0 [ 732.571483] ? trace_hardirqs_on+0x67/0x220 [ 732.575811] ? send_hsr_supervision_frame+0xf30/0xf30 [ 732.581151] run_timer_softirq+0x64f/0x16a0 [ 732.585506] ? add_timer+0xbe0/0xbe0 [ 732.589225] ? __lock_is_held+0xb6/0x140 [ 732.593310] __do_softirq+0x25c/0x921 [ 732.597127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.602679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.608249] irq_exit+0x180/0x1d0 [ 732.611703] smp_apic_timer_interrupt+0x13b/0x550 [ 732.616554] apic_timer_interrupt+0xf/0x20 [ 732.620778] [ 732.623011] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 732.627934] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 732.646926] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 732.654633] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 732.661909] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 732.669195] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 732.676468] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 732.683732] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 732.691028] skb_clone+0x156/0x3e0 [ 732.694565] bpf_clone_redirect+0xb2/0x480 [ 732.698800] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 732.703814] ? 0xffffffff81000000 [ 732.707264] ? mark_held_locks+0x100/0x100 [ 732.711492] ? trace_hardirqs_on_caller+0x6a/0x220 [ 732.716419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 732.721167] ? bpf_test_run+0x146/0x430 [ 732.725132] ? find_held_lock+0x35/0x130 [ 732.729185] ? bpf_test_run+0x146/0x430 [ 732.733154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.738683] ? check_preemption_disabled+0x48/0x290 [ 732.743698] ? lock_acquire+0x16f/0x3f0 [ 732.747667] ? kasan_check_read+0x11/0x20 [ 732.751830] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 732.757025] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.762667] bpf_test_run+0x10d/0x430 [ 732.766477] bpf_prog_test_run_skb+0x64b/0xb20 [ 732.771148] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 732.775985] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 732.781515] ? fput+0x128/0x1a0 [ 732.784784] ? __bpf_prog_get+0x97/0x290 [ 732.788835] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 732.794117] bpf_prog_test_run+0x129/0x1a0 [ 732.798347] __x64_sys_bpf+0x397/0x4c0 [ 732.802227] ? bpf_prog_get+0x20/0x20 [ 732.806125] ? do_syscall_64+0x26/0x620 [ 732.810201] ? lockdep_hardirqs_on+0x415/0x5d0 [ 732.814797] ? trace_hardirqs_on+0x67/0x220 [ 732.819113] do_syscall_64+0xfd/0x620 [ 732.822914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.828096] RIP: 0033:0x45af49 [ 732.831292] Code: Bad RIP value. [ 732.834643] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 732.842600] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 732.849858] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 732.857127] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 732.864388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 732.871732] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 732.879017] warn_alloc_show_mem: 1 callbacks suppressed [ 732.879027] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 732.879029] Mem-Info: [ 732.879057] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 732.879057] active_file:13 inactive_file:11 isolated_file:0 [ 732.879057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 732.879057] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 732.879057] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 732.879057] free:10923 free_pcp:135 free_cma:0 [ 732.884416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.891773] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 732.894172] Call Trace: [ 732.927231] Node 1 active_anon:1432kB 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 [ 732.936554] [ 732.963950] Node 0 DMA free:10256kB 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 [ 732.966536] dump_stack+0x197/0x210 [ 732.992444] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 732.994600] warn_alloc.cold+0x7b/0x173 [ 733.020688] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 733.024322] ? zone_watermark_ok_safe+0x260/0x260 [ 733.029300] lowmem_reserve[]: 0 0 1 1 1 [ 733.033274] ? __cpuset_node_allowed+0x136/0x540 [ 733.062019] 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 [ 733.066890] ? __isolate_free_page+0x4c0/0x4c0 [ 733.070820] lowmem_reserve[]: 0 0 0 0 0 [ 733.075579] ? wake_all_kswapds+0x14d/0x300 [ 733.101323] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 733.105906] __alloc_pages_slowpath+0x2214/0x2870 [ 733.109849] lowmem_reserve[]: 0 0 0 0 0 [ 733.114185] ? warn_alloc+0x110/0x110 [ 733.142118] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 733.146992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.150961] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 733.154763] ? should_fail+0x14d/0x85c [ 733.166627] 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 [ 733.172199] ? __isolate_free_page+0x4c0/0x4c0 [ 733.186904] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 733.190794] __alloc_pages_nodemask+0x617/0x750 [ 733.201426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 733.206013] ? __alloc_pages_slowpath+0x2870/0x2870 [ 733.221077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 733.225746] cache_grow_begin+0x91/0x8c0 [ 733.234560] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 733.239561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.248112] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 733.248119] 269 total pagecache pages [ 733.252173] ? __cpuset_node_allowed+0x136/0x540 [ 733.252190] fallback_alloc+0x1fd/0x2d0 [ 733.261013] 0 pages in swap cache [ 733.266568] ____cache_alloc_node+0x1be/0x1e0 [ 733.275117] Swap cache stats: add 0, delete 0, find 0/0 [ 733.275126] Free swap = 0kB [ 733.278928] kmem_cache_alloc_node+0xe3/0x710 [ 733.283648] Total swap = 0kB [ 733.283657] 1965979 pages RAM [ 733.287679] __alloc_skb+0xd5/0x5f0 [ 733.287698] ? skb_trim+0x190/0x190 [ 733.291403] 0 pages HighMem/MovableOnly [ 733.295897] ? check_preemption_disabled+0x48/0x290 [ 733.301239] 341723 pages reserved [ 733.304250] ? lock_acquire+0x16f/0x3f0 [ 733.308715] 0 pages cma reserved [ 733.311725] new_skb+0x28/0x1d0 [ 733.315132] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 733.318590] aoecmd_cfg+0x1b5/0x640 [ 733.322203] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 733.326167] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 733.369940] ? timer_reduce+0x11d0/0x11d0 [ 733.374100] discover_timer+0x4e/0x60 [ 733.377895] call_timer_fn+0x18d/0x720 [ 733.381772] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 733.386519] ? process_timeout+0x40/0x40 [ 733.390574] ? run_timer_softirq+0x644/0x16a0 [ 733.395066] ? trace_hardirqs_on+0x67/0x220 [ 733.399380] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 733.404039] run_timer_softirq+0x64f/0x16a0 [ 733.408366] ? add_timer+0xbe0/0xbe0 [ 733.412076] ? __lock_is_held+0xb6/0x140 [ 733.416138] __do_softirq+0x25c/0x921 [ 733.419932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.425461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.430997] irq_exit+0x180/0x1d0 [ 733.434444] smp_apic_timer_interrupt+0x13b/0x550 [ 733.439282] apic_timer_interrupt+0xf/0x20 [ 733.443585] [ 733.445814] RIP: 0010:smp_call_function_single+0x139/0x420 [ 733.451431] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 733.470334] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 733.478031] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 733.485288] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 733.492565] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 733.499838] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 733.507109] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 733.514396] ? smp_call_function_single+0x14c/0x420 [ 733.519415] ? smp_call_function_single+0x137/0x420 [ 733.524428] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 733.530227] ? generic_exec_single+0x490/0x490 [ 733.534801] ? __lock_acquire+0x6ee/0x49c0 [ 733.539043] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 733.544930] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 733.549936] ? find_next_and_bit+0x19a/0x200 [ 733.554344] smp_call_function_many+0x75f/0x8e0 [ 733.559006] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 733.564802] native_flush_tlb_others+0x81/0x420 [ 733.569468] flush_tlb_mm_range+0x21c/0x350 [ 733.573779] ? native_flush_tlb_others+0x420/0x420 [ 733.578700] ? lock_acquire+0x16f/0x3f0 [ 733.582671] ? kasan_check_write+0x14/0x20 [ 733.586901] flush_tlb_batched_pending+0x6e/0xb0 [ 733.591657] unmap_page_range+0x8b5/0x1fb0 [ 733.596881] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 733.601385] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 733.606913] ? kasan_check_write+0x14/0x20 [ 733.611142] __oom_reap_task_mm+0x1fb/0x3a0 [ 733.615461] ? process_shares_mm+0x130/0x130 [ 733.619861] ? oom_reaper+0x12c/0x1160 [ 733.623744] ? __lock_is_held+0xb6/0x140 [ 733.627804] oom_reaper+0x246/0x1160 [ 733.631517] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 733.636117] ? trace_hardirqs_on+0x67/0x220 [ 733.640438] ? finish_wait+0x260/0x260 [ 733.644322] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 733.649414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 733.655029] ? __kthread_parkme+0xfb/0x1b0 [ 733.659279] kthread+0x354/0x420 [ 733.662656] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 733.667175] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 733.672724] ret_from_fork+0x24/0x30 [ 733.676462] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 733.676520] aoe: skb alloc failure [ 733.684265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 733.684270] Call Trace: [ 733.684276] [ 733.684293] dump_stack+0x197/0x210 [ 733.684311] warn_alloc.cold+0x7b/0x173 [ 733.687874] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 733.697180] ? zone_watermark_ok_safe+0x260/0x260 [ 733.699736] oom_reaper cpuset=/ mems_allowed=0-1 [ 733.701876] ? __cpuset_node_allowed+0x136/0x540 [ 733.734710] ? __isolate_free_page+0x4c0/0x4c0 [ 733.739290] ? wake_all_kswapds+0x14d/0x300 [ 733.743632] __alloc_pages_slowpath+0x2214/0x2870 [ 733.748500] ? warn_alloc+0x110/0x110 [ 733.752294] ? __lock_acquire+0x6ee/0x49c0 [ 733.756522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 733.762060] ? should_fail+0x14d/0x85c [ 733.767331] ? __isolate_free_page+0x4c0/0x4c0 [ 733.771915] __alloc_pages_nodemask+0x617/0x750 [ 733.776591] ? __alloc_pages_slowpath+0x2870/0x2870 [ 733.781605] ? find_held_lock+0x35/0x130 [ 733.785660] cache_grow_begin+0x91/0x8c0 [ 733.789716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.795255] ? __cpuset_node_allowed+0x136/0x540 [ 733.800004] fallback_alloc+0x1fd/0x2d0 [ 733.803978] ____cache_alloc_node+0x1be/0x1e0 [ 733.808467] kmem_cache_alloc_node+0xe3/0x710 [ 733.812954] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 733.817190] __alloc_skb+0xd5/0x5f0 [ 733.820836] ? skb_trim+0x190/0x190 [ 733.824461] ? kasan_check_read+0x11/0x20 [ 733.828632] ndisc_alloc_skb+0x13c/0x340 [ 733.832713] ndisc_send_rs+0x35f/0x6e0 [ 733.836613] addrconf_rs_timer+0x30f/0x680 [ 733.840948] ? ipv6_get_lladdr+0x490/0x490 [ 733.845191] call_timer_fn+0x18d/0x720 [ 733.849162] ? ipv6_get_lladdr+0x490/0x490 [ 733.853386] ? process_timeout+0x40/0x40 [ 733.857439] ? run_timer_softirq+0x644/0x16a0 [ 733.861929] ? trace_hardirqs_on+0x67/0x220 [ 733.866245] ? ipv6_get_lladdr+0x490/0x490 [ 733.870472] run_timer_softirq+0x64f/0x16a0 [ 733.874796] ? add_timer+0xbe0/0xbe0 [ 733.878513] ? __lock_is_held+0xb6/0x140 [ 733.882582] __do_softirq+0x25c/0x921 [ 733.886385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.891910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.898054] irq_exit+0x180/0x1d0 [ 733.902036] smp_apic_timer_interrupt+0x13b/0x550 [ 733.906917] apic_timer_interrupt+0xf/0x20 [ 733.911238] [ 733.913470] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 733.918783] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 733.940325] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 733.948024] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 733.955281] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 733.962544] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 733.969811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 733.977081] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 733.984368] skb_clone+0x156/0x3e0 [ 733.987924] bpf_clone_redirect+0xb2/0x480 [ 733.992164] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 733.997173] ? 0xffffffff81000000 [ 734.000623] ? mark_held_locks+0x100/0x100 [ 734.004847] ? trace_hardirqs_on_caller+0x6a/0x220 [ 734.009773] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 734.014521] ? bpf_test_run+0x146/0x430 [ 734.018496] ? find_held_lock+0x35/0x130 [ 734.022552] ? bpf_test_run+0x146/0x430 [ 734.026529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.032064] ? check_preemption_disabled+0x48/0x290 [ 734.037080] ? lock_acquire+0x16f/0x3f0 [ 734.041058] ? kasan_check_read+0x11/0x20 [ 734.045208] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 734.050389] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.055919] bpf_test_run+0x10d/0x430 [ 734.059721] bpf_prog_test_run_skb+0x64b/0xb20 [ 734.064299] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 734.069133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.074661] ? fput+0x128/0x1a0 [ 734.077942] ? __bpf_prog_get+0x97/0x290 [ 734.081996] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 734.086855] bpf_prog_test_run+0x129/0x1a0 [ 734.091111] __x64_sys_bpf+0x397/0x4c0 [ 734.094995] ? bpf_prog_get+0x20/0x20 [ 734.098803] ? do_syscall_64+0x26/0x620 [ 734.102774] ? lockdep_hardirqs_on+0x415/0x5d0 [ 734.107355] ? trace_hardirqs_on+0x67/0x220 [ 734.111682] do_syscall_64+0xfd/0x620 [ 734.115482] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.120675] RIP: 0033:0x45af49 [ 734.123872] Code: Bad RIP value. [ 734.127322] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 734.135038] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 734.142297] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 734.149567] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 734.156827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 734.164085] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 734.171370] warn_alloc_show_mem: 1 callbacks suppressed [ 734.171380] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 734.171382] Mem-Info: [ 734.171412] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 734.171412] active_file:13 inactive_file:11 isolated_file:0 [ 734.171412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 734.171412] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 734.171412] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 734.171412] free:10923 free_pcp:135 free_cma:0 [ 734.176753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.184129] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 734.186530] Call Trace: [ 734.219810] Node 1 active_anon:1432kB 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 [ 734.229139] [ 734.257054] Node 0 DMA free:10256kB 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 [ 734.259657] dump_stack+0x197/0x210 [ 734.285557] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 734.287713] warn_alloc.cold+0x7b/0x173 [ 734.313815] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 734.317444] ? zone_watermark_ok_safe+0x260/0x260 [ 734.322432] lowmem_reserve[]: 0 0 1 1 1 [ 734.327047] ? __cpuset_node_allowed+0x136/0x540 [ 734.355685] 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 [ 734.361502] ? __isolate_free_page+0x4c0/0x4c0 [ 734.365537] lowmem_reserve[]: 0 0 0 0 0 [ 734.370295] ? wake_all_kswapds+0x14d/0x300 [ 734.396135] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 734.400740] __alloc_pages_slowpath+0x2214/0x2870 [ 734.404683] lowmem_reserve[]: 0 0 0 0 0 [ 734.409024] ? warn_alloc+0x110/0x110 [ 734.436841] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 734.441708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 734.445834] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 734.449649] ? should_fail+0x14d/0x85c [ 734.461421] 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 [ 734.467507] ? __isolate_free_page+0x4c0/0x4c0 [ 734.482251] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 734.486176] __alloc_pages_nodemask+0x617/0x750 [ 734.496812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 734.501391] ? __alloc_pages_slowpath+0x2870/0x2870 [ 734.516553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 734.516566] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 734.521250] cache_grow_begin+0x91/0x8c0 [ 734.530237] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 734.530246] 269 total pagecache pages [ 734.535343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.543911] 0 pages in swap cache [ 734.553253] ? __cpuset_node_allowed+0x136/0x540 [ 734.557301] Swap cache stats: add 0, delete 0, find 0/0 [ 734.557309] Free swap = 0kB [ 734.565888] fallback_alloc+0x1fd/0x2d0 [ 734.569660] Total swap = 0kB [ 734.569668] 1965979 pages RAM [ 734.575202] ____cache_alloc_node+0x1be/0x1e0 [ 734.578631] 0 pages HighMem/MovableOnly [ 734.578639] 341723 pages reserved [ 734.583389] kmem_cache_alloc_node+0xe3/0x710 [ 734.588722] 0 pages cma reserved [ 734.588788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 734.591759] __alloc_skb+0xd5/0x5f0 [ 734.595764] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 734.598740] ? skb_trim+0x190/0x190 [ 734.601835] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 734.606334] ? check_preemption_disabled+0x48/0x290 [ 734.657664] ? lock_acquire+0x16f/0x3f0 [ 734.661649] new_skb+0x28/0x1d0 [ 734.664922] aoecmd_cfg+0x1b5/0x640 [ 734.668544] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 734.672954] ? timer_reduce+0x11d0/0x11d0 [ 734.677118] discover_timer+0x4e/0x60 [ 734.680927] call_timer_fn+0x18d/0x720 [ 734.684808] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 734.689468] ? process_timeout+0x40/0x40 [ 734.693523] ? run_timer_softirq+0x644/0x16a0 [ 734.698018] ? trace_hardirqs_on+0x67/0x220 [ 734.702348] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 734.707116] run_timer_softirq+0x64f/0x16a0 [ 734.711437] ? add_timer+0xbe0/0xbe0 [ 734.715147] ? __lock_is_held+0xb6/0x140 [ 734.719213] __do_softirq+0x25c/0x921 [ 734.723009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.728537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.734105] irq_exit+0x180/0x1d0 [ 734.737562] smp_apic_timer_interrupt+0x13b/0x550 [ 734.742438] apic_timer_interrupt+0xf/0x20 [ 734.746662] [ 734.748896] RIP: 0010:smp_call_function_single+0x139/0x420 [ 734.754621] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 734.773523] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 734.781227] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 734.788489] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 734.795768] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 734.803049] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 734.810318] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 734.817609] ? smp_call_function_single+0x14c/0x420 [ 734.822626] ? smp_call_function_single+0x137/0x420 [ 734.827644] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 734.833459] ? generic_exec_single+0x490/0x490 [ 734.838047] ? __lock_acquire+0x6ee/0x49c0 [ 734.842279] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 734.848068] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 734.853084] ? find_next_and_bit+0x19a/0x200 [ 734.857495] smp_call_function_many+0x75f/0x8e0 [ 734.862177] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 734.868245] native_flush_tlb_others+0x81/0x420 [ 734.872910] flush_tlb_mm_range+0x21c/0x350 [ 734.877338] ? native_flush_tlb_others+0x420/0x420 [ 734.882270] ? lock_acquire+0x16f/0x3f0 [ 734.886259] ? kasan_check_write+0x14/0x20 [ 734.890514] flush_tlb_batched_pending+0x6e/0xb0 [ 734.895302] unmap_page_range+0x8b5/0x1fb0 [ 734.899555] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 734.904053] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.909685] ? kasan_check_write+0x14/0x20 [ 734.913937] __oom_reap_task_mm+0x1fb/0x3a0 [ 734.918276] ? process_shares_mm+0x130/0x130 [ 734.922696] ? oom_reaper+0x12c/0x1160 [ 734.926586] ? __lock_is_held+0xb6/0x140 [ 734.930740] oom_reaper+0x246/0x1160 [ 734.934462] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 734.938957] ? trace_hardirqs_on+0x67/0x220 [ 734.943365] ? finish_wait+0x260/0x260 [ 734.947251] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 734.952351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.958073] ? __kthread_parkme+0xfb/0x1b0 [ 734.962307] kthread+0x354/0x420 [ 734.965675] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 734.970164] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 734.975696] ret_from_fork+0x24/0x30 [ 734.979424] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 734.979481] aoe: skb alloc failure [ 734.987225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.987233] Call Trace: [ 734.990820] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 735.000108] [ 735.002689] oom_reaper cpuset=/ mems_allowed=0-1 [ 735.012951] dump_stack+0x197/0x210 [ 735.023474] warn_alloc.cold+0x7b/0x173 [ 735.027579] ? zone_watermark_ok_safe+0x260/0x260 [ 735.032419] ? __cpuset_node_allowed+0x136/0x540 [ 735.037192] ? __isolate_free_page+0x4c0/0x4c0 [ 735.041770] ? wake_all_kswapds+0x14d/0x300 [ 735.046094] __alloc_pages_slowpath+0x2214/0x2870 [ 735.051120] ? warn_alloc+0x110/0x110 [ 735.054919] ? __lock_acquire+0x6ee/0x49c0 [ 735.059150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.064947] ? should_fail+0x14d/0x85c [ 735.069181] ? __isolate_free_page+0x4c0/0x4c0 [ 735.073783] __alloc_pages_nodemask+0x617/0x750 [ 735.078460] ? __alloc_pages_slowpath+0x2870/0x2870 [ 735.083477] ? find_held_lock+0x35/0x130 [ 735.087538] cache_grow_begin+0x91/0x8c0 [ 735.091595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.097141] ? __cpuset_node_allowed+0x136/0x540 [ 735.101894] fallback_alloc+0x1fd/0x2d0 [ 735.105871] ____cache_alloc_node+0x1be/0x1e0 [ 735.110364] kmem_cache_alloc_node+0xe3/0x710 [ 735.114857] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 735.119118] __alloc_skb+0xd5/0x5f0 [ 735.122741] ? skb_trim+0x190/0x190 [ 735.126364] ? kasan_check_read+0x11/0x20 [ 735.130526] ndisc_alloc_skb+0x13c/0x340 [ 735.134585] ndisc_send_rs+0x35f/0x6e0 [ 735.138559] addrconf_rs_timer+0x30f/0x680 [ 735.142792] ? ipv6_get_lladdr+0x490/0x490 [ 735.147029] call_timer_fn+0x18d/0x720 [ 735.154123] ? ipv6_get_lladdr+0x490/0x490 [ 735.158365] ? process_timeout+0x40/0x40 [ 735.162419] ? run_timer_softirq+0x644/0x16a0 [ 735.166914] ? trace_hardirqs_on+0x67/0x220 [ 735.171495] ? ipv6_get_lladdr+0x490/0x490 [ 735.175725] run_timer_softirq+0x64f/0x16a0 [ 735.180047] ? add_timer+0xbe0/0xbe0 [ 735.183866] ? __lock_is_held+0xb6/0x140 [ 735.187933] __do_softirq+0x25c/0x921 [ 735.191727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.197258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.202814] irq_exit+0x180/0x1d0 [ 735.206279] smp_apic_timer_interrupt+0x13b/0x550 [ 735.211124] apic_timer_interrupt+0xf/0x20 [ 735.215357] [ 735.217599] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 735.222525] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 735.241634] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 735.249346] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 735.256619] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 735.263896] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 735.271176] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 735.278481] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 735.285809] skb_clone+0x156/0x3e0 [ 735.289369] bpf_clone_redirect+0xb2/0x480 [ 735.293615] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 735.298625] ? 0xffffffff81000000 [ 735.303036] ? mark_held_locks+0x100/0x100 [ 735.307264] ? trace_hardirqs_on_caller+0x6a/0x220 [ 735.312190] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 735.316942] ? bpf_test_run+0x146/0x430 [ 735.320908] ? find_held_lock+0x35/0x130 [ 735.324958] ? bpf_test_run+0x146/0x430 [ 735.328929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.334501] ? check_preemption_disabled+0x48/0x290 [ 735.339517] ? lock_acquire+0x16f/0x3f0 [ 735.343500] ? kasan_check_read+0x11/0x20 [ 735.347647] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 735.352842] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.358369] bpf_test_run+0x10d/0x430 [ 735.362170] bpf_prog_test_run_skb+0x64b/0xb20 [ 735.366747] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 735.371578] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 735.377115] ? fput+0x128/0x1a0 [ 735.380384] ? __bpf_prog_get+0x97/0x290 [ 735.384435] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 735.389268] bpf_prog_test_run+0x129/0x1a0 [ 735.393498] __x64_sys_bpf+0x397/0x4c0 [ 735.397401] ? bpf_prog_get+0x20/0x20 [ 735.401228] ? do_syscall_64+0x26/0x620 [ 735.405323] ? lockdep_hardirqs_on+0x415/0x5d0 [ 735.409910] ? trace_hardirqs_on+0x67/0x220 [ 735.414233] do_syscall_64+0xfd/0x620 [ 735.418101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 735.423289] RIP: 0033:0x45af49 [ 735.426492] Code: Bad RIP value. [ 735.429843] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 735.437541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 735.444800] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 735.452492] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 735.459747] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 735.467007] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 735.474289] warn_alloc_show_mem: 1 callbacks suppressed [ 735.474300] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 735.474302] Mem-Info: [ 735.474330] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 735.474330] active_file:13 inactive_file:11 isolated_file:0 [ 735.474330] unevictable:0 dirty:0 writeback:0 unstable:0 [ 735.474330] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 735.474330] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 735.474330] free:10923 free_pcp:135 free_cma:0 [ 735.479678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 735.487207] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 735.489598] Call Trace: [ 735.523015] Node 1 active_anon:1432kB 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 [ 735.532347] [ 735.559739] Node 0 DMA free:10256kB 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 [ 735.562330] dump_stack+0x197/0x210 [ 735.594402] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 735.596552] warn_alloc.cold+0x7b/0x173 [ 735.622631] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 735.626255] ? zone_watermark_ok_safe+0x260/0x260 [ 735.631235] lowmem_reserve[]: 0 0 1 1 1 [ 735.635212] ? __cpuset_node_allowed+0x136/0x540 [ 735.663898] 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 [ 735.668743] ? __isolate_free_page+0x4c0/0x4c0 [ 735.672677] lowmem_reserve[]: 0 0 0 0 0 [ 735.677431] ? wake_all_kswapds+0x14d/0x300 [ 735.703174] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 735.707790] __alloc_pages_slowpath+0x2214/0x2870 [ 735.711738] lowmem_reserve[]: 0 0 0 0 0 [ 735.716190] ? warn_alloc+0x110/0x110 [ 735.744878] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 735.749718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 735.753663] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 735.757456] ? should_fail+0x14d/0x85c [ 735.769213] 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 [ 735.774744] ? __isolate_free_page+0x4c0/0x4c0 [ 735.789547] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 735.793878] __alloc_pages_nodemask+0x617/0x750 [ 735.804528] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 735.809162] ? __alloc_pages_slowpath+0x2870/0x2870 [ 735.824237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 735.824253] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 735.828938] cache_grow_begin+0x91/0x8c0 [ 735.837728] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 735.837737] 269 total pagecache pages [ 735.842756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.851328] 0 pages in swap cache [ 735.860158] ? __cpuset_node_allowed+0x136/0x540 [ 735.864203] Swap cache stats: add 0, delete 0, find 0/0 [ 735.864213] Free swap = 0kB [ 735.872898] fallback_alloc+0x1fd/0x2d0 [ 735.876772] Total swap = 0kB [ 735.882321] ____cache_alloc_node+0x1be/0x1e0 [ 735.885746] 1965979 pages RAM [ 735.890494] kmem_cache_alloc_node+0xe3/0x710 [ 735.895846] 0 pages HighMem/MovableOnly [ 735.898867] __alloc_skb+0xd5/0x5f0 [ 735.902800] 341723 pages reserved [ 735.902807] 0 pages cma reserved [ 735.905817] ? skb_trim+0x190/0x190 [ 735.910439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 735.913609] ? check_preemption_disabled+0x48/0x290 [ 735.918285] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 735.922151] ? lock_acquire+0x16f/0x3f0 [ 735.925758] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 735.929206] new_skb+0x28/0x1d0 [ 735.970811] aoecmd_cfg+0x1b5/0x640 [ 735.974620] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 735.978950] ? timer_reduce+0x11d0/0x11d0 [ 735.983112] discover_timer+0x4e/0x60 [ 735.986903] call_timer_fn+0x18d/0x720 [ 735.990782] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 735.995460] ? process_timeout+0x40/0x40 [ 735.999511] ? run_timer_softirq+0x644/0x16a0 [ 736.004001] ? trace_hardirqs_on+0x67/0x220 [ 736.008315] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 736.012979] run_timer_softirq+0x64f/0x16a0 [ 736.017307] ? add_timer+0xbe0/0xbe0 [ 736.021102] ? __lock_is_held+0xb6/0x140 [ 736.025163] __do_softirq+0x25c/0x921 [ 736.028953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.034481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.040017] irq_exit+0x180/0x1d0 [ 736.043464] smp_apic_timer_interrupt+0x13b/0x550 [ 736.048300] apic_timer_interrupt+0xf/0x20 [ 736.052520] [ 736.054753] RIP: 0010:smp_call_function_single+0x139/0x420 [ 736.060371] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 736.079357] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 736.087054] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 736.094316] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 736.101575] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 736.108834] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 736.116093] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 736.123375] ? smp_call_function_single+0x14c/0x420 [ 736.128384] ? smp_call_function_single+0x137/0x420 [ 736.133396] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 736.139186] ? generic_exec_single+0x490/0x490 [ 736.143760] ? __lock_acquire+0x6ee/0x49c0 [ 736.147996] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 736.153783] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 736.158792] ? find_next_and_bit+0x19a/0x200 [ 736.163200] smp_call_function_many+0x75f/0x8e0 [ 736.167866] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 736.173658] native_flush_tlb_others+0x81/0x420 [ 736.178755] flush_tlb_mm_range+0x21c/0x350 [ 736.183068] ? native_flush_tlb_others+0x420/0x420 [ 736.187992] ? lock_acquire+0x16f/0x3f0 [ 736.191959] ? kasan_check_write+0x14/0x20 [ 736.196223] flush_tlb_batched_pending+0x6e/0xb0 [ 736.200978] unmap_page_range+0x8b5/0x1fb0 [ 736.205225] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 736.209716] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 736.215253] ? kasan_check_write+0x14/0x20 [ 736.219486] __oom_reap_task_mm+0x1fb/0x3a0 [ 736.223805] ? process_shares_mm+0x130/0x130 [ 736.228223] ? oom_reaper+0x12c/0x1160 [ 736.232121] ? __lock_is_held+0xb6/0x140 [ 736.236184] oom_reaper+0x246/0x1160 [ 736.239898] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 736.244471] ? trace_hardirqs_on+0x67/0x220 [ 736.248788] ? finish_wait+0x260/0x260 [ 736.252680] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 736.257776] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 736.263313] ? __kthread_parkme+0xfb/0x1b0 [ 736.267552] kthread+0x354/0x420 [ 736.270912] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 736.275398] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 736.280928] ret_from_fork+0x24/0x30 [ 736.284660] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 736.284715] aoe: skb alloc failure [ 736.292456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.292461] Call Trace: [ 736.292467] [ 736.292483] dump_stack+0x197/0x210 [ 736.292500] warn_alloc.cold+0x7b/0x173 [ 736.296040] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 736.305367] ? zone_watermark_ok_safe+0x260/0x260 [ 736.307934] oom_reaper cpuset=/ mems_allowed=0-1 [ 736.310087] ? __cpuset_node_allowed+0x136/0x540 [ 736.342307] ? __isolate_free_page+0x4c0/0x4c0 [ 736.346915] ? wake_all_kswapds+0x14d/0x300 [ 736.351246] __alloc_pages_slowpath+0x2214/0x2870 [ 736.356129] ? warn_alloc+0x110/0x110 [ 736.359950] ? __lock_acquire+0x6ee/0x49c0 [ 736.364198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 736.369760] ? should_fail+0x14d/0x85c [ 736.373652] ? __isolate_free_page+0x4c0/0x4c0 [ 736.378243] __alloc_pages_nodemask+0x617/0x750 [ 736.382915] ? __alloc_pages_slowpath+0x2870/0x2870 [ 736.387931] ? find_held_lock+0x35/0x130 [ 736.391993] cache_grow_begin+0x91/0x8c0 [ 736.396051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.401582] ? __cpuset_node_allowed+0x136/0x540 [ 736.406355] fallback_alloc+0x1fd/0x2d0 [ 736.410328] ____cache_alloc_node+0x1be/0x1e0 [ 736.414831] kmem_cache_alloc_node+0xe3/0x710 [ 736.419321] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 736.423561] __alloc_skb+0xd5/0x5f0 [ 736.427192] ? skb_trim+0x190/0x190 [ 736.430813] ? kasan_check_read+0x11/0x20 [ 736.434981] ndisc_alloc_skb+0x13c/0x340 [ 736.439041] ndisc_send_rs+0x35f/0x6e0 [ 736.442927] addrconf_rs_timer+0x30f/0x680 [ 736.447159] ? ipv6_get_lladdr+0x490/0x490 [ 736.451393] call_timer_fn+0x18d/0x720 [ 736.455282] ? ipv6_get_lladdr+0x490/0x490 [ 736.459511] ? process_timeout+0x40/0x40 [ 736.463581] ? run_timer_softirq+0x644/0x16a0 [ 736.468097] ? trace_hardirqs_on+0x67/0x220 [ 736.472433] ? ipv6_get_lladdr+0x490/0x490 [ 736.476686] run_timer_softirq+0x64f/0x16a0 [ 736.481024] ? add_timer+0xbe0/0xbe0 [ 736.484846] ? __lock_is_held+0xb6/0x140 [ 736.488930] __do_softirq+0x25c/0x921 [ 736.492745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.498284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.503830] irq_exit+0x180/0x1d0 [ 736.507279] smp_apic_timer_interrupt+0x13b/0x550 [ 736.512144] apic_timer_interrupt+0xf/0x20 [ 736.516371] [ 736.518605] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 736.523529] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 736.542422] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 736.550128] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 736.557385] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 736.564645] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 736.571909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 736.579172] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 736.586461] skb_clone+0x156/0x3e0 [ 736.590010] bpf_clone_redirect+0xb2/0x480 [ 736.594241] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 736.599264] ? 0xffffffff81000000 [ 736.602716] ? mark_held_locks+0x100/0x100 [ 736.606941] ? trace_hardirqs_on_caller+0x6a/0x220 [ 736.611875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 736.616625] ? bpf_test_run+0x146/0x430 [ 736.620608] ? find_held_lock+0x35/0x130 [ 736.624662] ? bpf_test_run+0x146/0x430 [ 736.628639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.634176] ? check_preemption_disabled+0x48/0x290 [ 736.639190] ? lock_acquire+0x16f/0x3f0 [ 736.643160] ? kasan_check_read+0x11/0x20 [ 736.647301] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 736.652485] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 736.658011] bpf_test_run+0x10d/0x430 [ 736.661813] bpf_prog_test_run_skb+0x64b/0xb20 [ 736.666392] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 736.671225] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 736.677017] ? fput+0x128/0x1a0 [ 736.680286] ? __bpf_prog_get+0x97/0x290 [ 736.684337] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 736.689170] bpf_prog_test_run+0x129/0x1a0 [ 736.693407] __x64_sys_bpf+0x397/0x4c0 [ 736.697383] ? bpf_prog_get+0x20/0x20 [ 736.701193] ? do_syscall_64+0x26/0x620 [ 736.705171] ? lockdep_hardirqs_on+0x415/0x5d0 [ 736.709744] ? trace_hardirqs_on+0x67/0x220 [ 736.714062] do_syscall_64+0xfd/0x620 [ 736.717857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 736.723302] RIP: 0033:0x45af49 [ 736.726496] Code: Bad RIP value. [ 736.729848] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 736.737545] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 736.744803] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 736.752060] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 736.759318] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 736.766578] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 736.773850] warn_alloc_show_mem: 1 callbacks suppressed [ 736.773860] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 736.773862] Mem-Info: [ 736.773891] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 736.773891] active_file:13 inactive_file:11 isolated_file:0 [ 736.773891] unevictable:0 dirty:0 writeback:0 unstable:0 [ 736.773891] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 736.773891] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 736.773891] free:10923 free_pcp:135 free_cma:0 [ 736.779244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.786606] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 736.788998] Call Trace: [ 736.822146] Node 1 active_anon:1432kB 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 [ 736.831476] [ 736.858875] Node 0 DMA free:10256kB 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 [ 736.861460] dump_stack+0x197/0x210 [ 736.888160] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 736.890342] warn_alloc.cold+0x7b/0x173 [ 736.917037] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 736.920662] ? zone_watermark_ok_safe+0x260/0x260 [ 736.925645] lowmem_reserve[]: 0 0 1 1 1 [ 736.929636] ? __cpuset_node_allowed+0x136/0x540 [ 736.958895] 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 [ 736.963841] ? __isolate_free_page+0x4c0/0x4c0 [ 736.967768] lowmem_reserve[]: 0 0 0 0 0 [ 736.972527] ? wake_all_kswapds+0x14d/0x300 [ 736.998261] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 737.002842] __alloc_pages_slowpath+0x2214/0x2870 [ 737.006780] lowmem_reserve[]: 0 0 0 0 0 [ 737.011117] ? warn_alloc+0x110/0x110 [ 737.038953] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 737.043805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.047740] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 737.051590] ? should_fail+0x14d/0x85c [ 737.063434] 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 [ 737.069096] ? __isolate_free_page+0x4c0/0x4c0 [ 737.083904] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 737.088149] __alloc_pages_nodemask+0x617/0x750 [ 737.098784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 737.103375] ? __alloc_pages_slowpath+0x2870/0x2870 [ 737.118611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 737.123378] cache_grow_begin+0x91/0x8c0 [ 737.132274] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 737.137292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.145847] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 737.149983] ? __cpuset_node_allowed+0x136/0x540 [ 737.158811] 269 total pagecache pages [ 737.158824] 0 pages in swap cache [ 737.164610] fallback_alloc+0x1fd/0x2d0 [ 737.173181] Swap cache stats: add 0, delete 0, find 0/0 [ 737.177927] ____cache_alloc_node+0x1be/0x1e0 [ 737.181722] Free swap = 0kB [ 737.185174] kmem_cache_alloc_node+0xe3/0x710 [ 737.189118] Total swap = 0kB [ 737.194497] __alloc_skb+0xd5/0x5f0 [ 737.198984] 1965979 pages RAM [ 737.202781] ? skb_trim+0x190/0x190 [ 737.207257] 0 pages HighMem/MovableOnly [ 737.210268] ? check_preemption_disabled+0x48/0x290 [ 737.213952] 341723 pages reserved [ 737.213959] 0 pages cma reserved [ 737.217066] ? lock_acquire+0x16f/0x3f0 [ 737.220755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 737.224653] new_skb+0x28/0x1d0 [ 737.229733] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 737.233100] aoecmd_cfg+0x1b5/0x640 [ 737.236441] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 737.240417] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 737.273983] ? timer_reduce+0x11d0/0x11d0 [ 737.278136] discover_timer+0x4e/0x60 [ 737.281939] call_timer_fn+0x18d/0x720 [ 737.285819] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 737.290497] ? process_timeout+0x40/0x40 [ 737.294561] ? run_timer_softirq+0x644/0x16a0 [ 737.299052] ? trace_hardirqs_on+0x67/0x220 [ 737.303371] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 737.308037] run_timer_softirq+0x64f/0x16a0 [ 737.312355] ? add_timer+0xbe0/0xbe0 [ 737.316066] ? __lock_is_held+0xb6/0x140 [ 737.320140] __do_softirq+0x25c/0x921 [ 737.323948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.329499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.335038] irq_exit+0x180/0x1d0 [ 737.338485] smp_apic_timer_interrupt+0x13b/0x550 [ 737.343321] apic_timer_interrupt+0xf/0x20 [ 737.347674] [ 737.349922] RIP: 0010:smp_call_function_single+0x139/0x420 [ 737.355540] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 737.374434] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 737.382133] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 737.389403] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 737.396661] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 737.403926] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 737.411201] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 737.418477] ? smp_call_function_single+0x14c/0x420 [ 737.423503] ? smp_call_function_single+0x137/0x420 [ 737.428538] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 737.434437] ? generic_exec_single+0x490/0x490 [ 737.439025] ? __lock_acquire+0x6ee/0x49c0 [ 737.443359] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 737.449154] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 737.454172] ? find_next_and_bit+0x19a/0x200 [ 737.458586] smp_call_function_many+0x75f/0x8e0 [ 737.463265] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 737.469064] native_flush_tlb_others+0x81/0x420 [ 737.473741] flush_tlb_mm_range+0x21c/0x350 [ 737.479027] ? native_flush_tlb_others+0x420/0x420 [ 737.484226] ? lock_acquire+0x16f/0x3f0 [ 737.488198] ? kasan_check_write+0x14/0x20 [ 737.492429] flush_tlb_batched_pending+0x6e/0xb0 [ 737.497199] unmap_page_range+0x8b5/0x1fb0 [ 737.501468] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 737.505979] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.511539] ? kasan_check_write+0x14/0x20 [ 737.515772] __oom_reap_task_mm+0x1fb/0x3a0 [ 737.520097] ? process_shares_mm+0x130/0x130 [ 737.524501] ? oom_reaper+0x12c/0x1160 [ 737.528396] ? __lock_is_held+0xb6/0x140 [ 737.532462] oom_reaper+0x246/0x1160 [ 737.536188] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 737.540695] ? trace_hardirqs_on+0x67/0x220 [ 737.545013] ? finish_wait+0x260/0x260 [ 737.548923] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 737.554131] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.559678] ? __kthread_parkme+0xfb/0x1b0 [ 737.563920] kthread+0x354/0x420 [ 737.567292] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 737.572058] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 737.577607] ret_from_fork+0x24/0x30 [ 737.581418] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 737.581471] aoe: skb alloc failure [ 737.589216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.589221] Call Trace: [ 737.589226] [ 737.589248] dump_stack+0x197/0x210 [ 737.589265] warn_alloc.cold+0x7b/0x173 [ 737.592821] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 737.602275] ? zone_watermark_ok_safe+0x260/0x260 [ 737.604937] oom_reaper cpuset=/ mems_allowed=0-1 [ 737.607081] ? __cpuset_node_allowed+0x136/0x540 [ 737.639256] ? __isolate_free_page+0x4c0/0x4c0 [ 737.644024] ? wake_all_kswapds+0x14d/0x300 [ 737.648346] __alloc_pages_slowpath+0x2214/0x2870 [ 737.653201] ? warn_alloc+0x110/0x110 [ 737.657000] ? __lock_acquire+0x6ee/0x49c0 [ 737.661228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 737.666772] ? should_fail+0x14d/0x85c [ 737.670671] ? __isolate_free_page+0x4c0/0x4c0 [ 737.675258] __alloc_pages_nodemask+0x617/0x750 [ 737.679927] ? __alloc_pages_slowpath+0x2870/0x2870 [ 737.684942] ? find_held_lock+0x35/0x130 [ 737.689001] cache_grow_begin+0x91/0x8c0 [ 737.693059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.698588] ? __cpuset_node_allowed+0x136/0x540 [ 737.703339] fallback_alloc+0x1fd/0x2d0 [ 737.707311] ____cache_alloc_node+0x1be/0x1e0 [ 737.711805] kmem_cache_alloc_node+0xe3/0x710 [ 737.716299] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 737.720547] __alloc_skb+0xd5/0x5f0 [ 737.724169] ? skb_trim+0x190/0x190 [ 737.727790] ? kasan_check_read+0x11/0x20 [ 737.731951] ndisc_alloc_skb+0x13c/0x340 [ 737.736006] ndisc_send_rs+0x35f/0x6e0 [ 737.739892] addrconf_rs_timer+0x30f/0x680 [ 737.744148] ? ipv6_get_lladdr+0x490/0x490 [ 737.748384] call_timer_fn+0x18d/0x720 [ 737.752359] ? ipv6_get_lladdr+0x490/0x490 [ 737.756584] ? process_timeout+0x40/0x40 [ 737.760636] ? run_timer_softirq+0x644/0x16a0 [ 737.765134] ? trace_hardirqs_on+0x67/0x220 [ 737.769535] ? ipv6_get_lladdr+0x490/0x490 [ 737.773763] run_timer_softirq+0x64f/0x16a0 [ 737.778085] ? add_timer+0xbe0/0xbe0 [ 737.781806] ? __lock_is_held+0xb6/0x140 [ 737.785883] __do_softirq+0x25c/0x921 [ 737.789680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.795296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.800836] irq_exit+0x180/0x1d0 [ 737.804285] smp_apic_timer_interrupt+0x13b/0x550 [ 737.809131] apic_timer_interrupt+0xf/0x20 [ 737.813525] [ 737.815756] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 737.820685] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 737.842457] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 737.855104] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 737.862452] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 737.869715] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 737.876988] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 737.884249] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 737.891549] skb_clone+0x156/0x3e0 [ 737.895089] bpf_clone_redirect+0xb2/0x480 [ 737.899330] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 737.904354] ? 0xffffffff81000000 [ 737.907822] ? mark_held_locks+0x100/0x100 [ 737.912149] ? trace_hardirqs_on_caller+0x6a/0x220 [ 737.917080] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 737.921840] ? bpf_test_run+0x146/0x430 [ 737.925900] ? find_held_lock+0x35/0x130 [ 737.929965] ? bpf_test_run+0x146/0x430 [ 737.933940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.940221] ? check_preemption_disabled+0x48/0x290 [ 737.945251] ? lock_acquire+0x16f/0x3f0 [ 737.949243] ? kasan_check_read+0x11/0x20 [ 737.953408] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 737.958607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.964149] bpf_test_run+0x10d/0x430 [ 737.967958] bpf_prog_test_run_skb+0x64b/0xb20 [ 737.972539] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 737.977813] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 737.983438] ? fput+0x128/0x1a0 [ 737.986717] ? __bpf_prog_get+0x97/0x290 [ 737.990772] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 737.995608] bpf_prog_test_run+0x129/0x1a0 [ 737.999837] __x64_sys_bpf+0x397/0x4c0 [ 738.003719] ? bpf_prog_get+0x20/0x20 [ 738.007740] ? do_syscall_64+0x26/0x620 [ 738.011749] ? lockdep_hardirqs_on+0x415/0x5d0 [ 738.016360] ? trace_hardirqs_on+0x67/0x220 [ 738.020706] do_syscall_64+0xfd/0x620 [ 738.024529] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 738.029799] RIP: 0033:0x45af49 [ 738.033001] Code: Bad RIP value. [ 738.036356] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 738.044072] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 738.051344] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 738.058608] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 738.065874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 738.073829] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 738.081111] warn_alloc_show_mem: 1 callbacks suppressed [ 738.081121] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 738.081123] Mem-Info: [ 738.081156] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 738.081156] active_file:13 inactive_file:11 isolated_file:0 [ 738.081156] unevictable:0 dirty:0 writeback:0 unstable:0 [ 738.081156] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 738.081156] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 738.081156] free:10923 free_pcp:135 free_cma:0 [ 738.086493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 738.093864] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 738.096471] Call Trace: [ 738.129820] Node 1 active_anon:1432kB 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 [ 738.139165] [ 738.174841] Node 0 DMA free:10256kB 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 [ 738.177448] dump_stack+0x197/0x210 [ 738.203368] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 738.205525] warn_alloc.cold+0x7b/0x173 [ 738.232402] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 738.236041] ? zone_watermark_ok_safe+0x260/0x260 [ 738.241030] lowmem_reserve[]: 0 0 1 1 1 [ 738.244999] ? __cpuset_node_allowed+0x136/0x540 [ 738.273611] 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 [ 738.278457] ? __isolate_free_page+0x4c0/0x4c0 [ 738.282398] lowmem_reserve[]: 0 0 0 0 0 [ 738.287151] ? wake_all_kswapds+0x14d/0x300 [ 738.312913] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 738.317519] __alloc_pages_slowpath+0x2214/0x2870 [ 738.321456] lowmem_reserve[]: 0 0 0 0 0 [ 738.325882] ? warn_alloc+0x110/0x110 [ 738.353897] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 738.358765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.362707] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 738.366591] ? should_fail+0x14d/0x85c [ 738.379300] 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 [ 738.384847] ? __isolate_free_page+0x4c0/0x4c0 [ 738.399567] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 738.403455] __alloc_pages_nodemask+0x617/0x750 [ 738.414096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 738.418677] ? __alloc_pages_slowpath+0x2870/0x2870 [ 738.433739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 738.433752] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 738.438452] cache_grow_begin+0x91/0x8c0 [ 738.447262] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 738.452266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.460813] 269 total pagecache pages [ 738.469645] ? __cpuset_node_allowed+0x136/0x540 [ 738.473772] 0 pages in swap cache [ 738.482331] fallback_alloc+0x1fd/0x2d0 [ 738.487855] Swap cache stats: add 0, delete 0, find 0/0 [ 738.491645] ____cache_alloc_node+0x1be/0x1e0 [ 738.496496] Free swap = 0kB [ 738.496506] Total swap = 0kB [ 738.500064] kmem_cache_alloc_node+0xe3/0x710 [ 738.504020] 1965979 pages RAM [ 738.509396] __alloc_skb+0xd5/0x5f0 [ 738.513867] 0 pages HighMem/MovableOnly [ 738.513876] 341723 pages reserved [ 738.516898] ? skb_trim+0x190/0x190 [ 738.519884] 0 pages cma reserved [ 738.524378] ? check_preemption_disabled+0x48/0x290 [ 738.527523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 738.531099] ? lock_acquire+0x16f/0x3f0 [ 738.531118] new_skb+0x28/0x1d0 [ 738.531133] aoecmd_cfg+0x1b5/0x640 [ 738.535140] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 738.538542] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 738.542145] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 738.545510] ? timer_reduce+0x11d0/0x11d0 [ 738.592141] discover_timer+0x4e/0x60 [ 738.596025] call_timer_fn+0x18d/0x720 [ 738.599904] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 738.604564] ? process_timeout+0x40/0x40 [ 738.610023] ? run_timer_softirq+0x644/0x16a0 [ 738.614537] ? trace_hardirqs_on+0x67/0x220 [ 738.618882] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 738.623568] run_timer_softirq+0x64f/0x16a0 [ 738.627900] ? add_timer+0xbe0/0xbe0 [ 738.631614] ? __lock_is_held+0xb6/0x140 [ 738.635685] __do_softirq+0x25c/0x921 [ 738.639495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.645978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.651525] irq_exit+0x180/0x1d0 [ 738.654974] smp_apic_timer_interrupt+0x13b/0x550 [ 738.660865] apic_timer_interrupt+0xf/0x20 [ 738.665084] [ 738.667316] RIP: 0010:smp_call_function_single+0x139/0x420 [ 738.672932] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 738.691831] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 738.699527] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 738.706784] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 738.714045] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 738.721307] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 738.728666] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 738.735942] ? smp_call_function_single+0x14c/0x420 [ 738.740950] ? smp_call_function_single+0x137/0x420 [ 738.745967] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 738.751756] ? generic_exec_single+0x490/0x490 [ 738.756331] ? __lock_acquire+0x6ee/0x49c0 [ 738.760557] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 738.766362] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 738.771371] ? find_next_and_bit+0x19a/0x200 [ 738.776171] smp_call_function_many+0x75f/0x8e0 [ 738.781502] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 738.787300] native_flush_tlb_others+0x81/0x420 [ 738.791966] flush_tlb_mm_range+0x21c/0x350 [ 738.796295] ? native_flush_tlb_others+0x420/0x420 [ 738.801223] ? lock_acquire+0x16f/0x3f0 [ 738.805196] ? kasan_check_write+0x14/0x20 [ 738.809437] flush_tlb_batched_pending+0x6e/0xb0 [ 738.814190] unmap_page_range+0x8b5/0x1fb0 [ 738.818434] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 738.823030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 738.828610] ? kasan_check_write+0x14/0x20 [ 738.832852] __oom_reap_task_mm+0x1fb/0x3a0 [ 738.837173] ? process_shares_mm+0x130/0x130 [ 738.841581] ? oom_reaper+0x12c/0x1160 [ 738.845483] ? __lock_is_held+0xb6/0x140 [ 738.849550] oom_reaper+0x246/0x1160 [ 738.853282] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 738.857782] ? trace_hardirqs_on+0x67/0x220 [ 738.862099] ? finish_wait+0x260/0x260 [ 738.865982] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 738.871091] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 738.877072] ? __kthread_parkme+0xfb/0x1b0 [ 738.881308] kthread+0x354/0x420 [ 738.884669] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 738.889160] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 738.895149] ret_from_fork+0x24/0x30 [ 738.898874] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 738.898933] aoe: skb alloc failure [ 738.906683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 738.910255] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 738.919555] Call Trace: [ 738.930026] oom_reaper cpuset=/ mems_allowed=0-1 [ 738.932683] [ 738.939579] dump_stack+0x197/0x210 [ 738.943206] warn_alloc.cold+0x7b/0x173 [ 738.947175] ? zone_watermark_ok_safe+0x260/0x260 [ 738.952010] ? __cpuset_node_allowed+0x136/0x540 [ 738.956853] ? __isolate_free_page+0x4c0/0x4c0 [ 738.961433] ? wake_all_kswapds+0x14d/0x300 [ 738.965767] __alloc_pages_slowpath+0x2214/0x2870 [ 738.970620] ? warn_alloc+0x110/0x110 [ 738.974445] ? __lock_acquire+0x6ee/0x49c0 [ 738.978674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 738.984204] ? should_fail+0x14d/0x85c [ 738.988117] ? __isolate_free_page+0x4c0/0x4c0 [ 738.992718] __alloc_pages_nodemask+0x617/0x750 [ 738.997426] ? __alloc_pages_slowpath+0x2870/0x2870 [ 739.003188] ? find_held_lock+0x35/0x130 [ 739.007442] cache_grow_begin+0x91/0x8c0 [ 739.011506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.017196] ? __cpuset_node_allowed+0x136/0x540 [ 739.022091] fallback_alloc+0x1fd/0x2d0 [ 739.026077] ____cache_alloc_node+0x1be/0x1e0 [ 739.030580] kmem_cache_alloc_node+0xe3/0x710 [ 739.035080] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 739.039832] __alloc_skb+0xd5/0x5f0 [ 739.043458] ? skb_trim+0x190/0x190 [ 739.047081] ? kasan_check_read+0x11/0x20 [ 739.051262] ndisc_alloc_skb+0x13c/0x340 [ 739.055328] ndisc_send_rs+0x35f/0x6e0 [ 739.059240] addrconf_rs_timer+0x30f/0x680 [ 739.063472] ? ipv6_get_lladdr+0x490/0x490 [ 739.068085] call_timer_fn+0x18d/0x720 [ 739.072175] ? ipv6_get_lladdr+0x490/0x490 [ 739.076460] ? process_timeout+0x40/0x40 [ 739.080520] ? run_timer_softirq+0x644/0x16a0 [ 739.085140] ? trace_hardirqs_on+0x67/0x220 [ 739.089987] ? ipv6_get_lladdr+0x490/0x490 [ 739.094310] run_timer_softirq+0x64f/0x16a0 [ 739.098637] ? add_timer+0xbe0/0xbe0 [ 739.102349] ? __lock_is_held+0xb6/0x140 [ 739.106415] __do_softirq+0x25c/0x921 [ 739.110221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.115748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.121420] irq_exit+0x180/0x1d0 [ 739.124959] smp_apic_timer_interrupt+0x13b/0x550 [ 739.129798] apic_timer_interrupt+0xf/0x20 [ 739.134130] [ 739.136448] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 739.141374] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 739.160616] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 739.168352] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 739.175620] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 739.182896] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 739.190182] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 739.197538] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 739.204844] skb_clone+0x156/0x3e0 [ 739.208395] bpf_clone_redirect+0xb2/0x480 [ 739.212629] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 739.217638] ? 0xffffffff81000000 [ 739.221096] ? mark_held_locks+0x100/0x100 [ 739.225339] ? trace_hardirqs_on_caller+0x6a/0x220 [ 739.230352] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 739.235255] ? bpf_test_run+0x146/0x430 [ 739.239237] ? find_held_lock+0x35/0x130 [ 739.243390] ? bpf_test_run+0x146/0x430 [ 739.247366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.252896] ? check_preemption_disabled+0x48/0x290 [ 739.257907] ? lock_acquire+0x16f/0x3f0 [ 739.261877] ? kasan_check_read+0x11/0x20 [ 739.266020] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 739.271219] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 739.276838] bpf_test_run+0x10d/0x430 [ 739.280649] bpf_prog_test_run_skb+0x64b/0xb20 [ 739.285242] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 739.290079] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 739.296147] ? fput+0x128/0x1a0 [ 739.299441] ? __bpf_prog_get+0x97/0x290 [ 739.303707] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 739.308562] bpf_prog_test_run+0x129/0x1a0 [ 739.312810] __x64_sys_bpf+0x397/0x4c0 [ 739.316710] ? bpf_prog_get+0x20/0x20 [ 739.320512] ? do_syscall_64+0x26/0x620 [ 739.324498] ? lockdep_hardirqs_on+0x415/0x5d0 [ 739.329133] ? trace_hardirqs_on+0x67/0x220 [ 739.333511] do_syscall_64+0xfd/0x620 [ 739.337320] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.342588] RIP: 0033:0x45af49 [ 739.345798] Code: Bad RIP value. [ 739.349154] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 739.356854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 739.364731] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 739.371991] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 739.379276] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 739.386541] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 739.393843] warn_alloc_show_mem: 1 callbacks suppressed [ 739.393853] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 739.393855] Mem-Info: [ 739.393885] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 739.393885] active_file:13 inactive_file:11 isolated_file:0 [ 739.393885] unevictable:0 dirty:0 writeback:0 unstable:0 [ 739.393885] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 739.393885] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 739.393885] free:10923 free_pcp:135 free_cma:0 [ 739.399246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.406612] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 739.409001] Call Trace: [ 739.442079] Node 1 active_anon:1432kB 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 [ 739.451422] [ 739.480015] Node 0 DMA free:10256kB 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 [ 739.482624] dump_stack+0x197/0x210 [ 739.509626] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 739.511802] warn_alloc.cold+0x7b/0x173 [ 739.537967] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 739.541620] ? zone_watermark_ok_safe+0x260/0x260 [ 739.546874] lowmem_reserve[]: 0 0 1 1 1 [ 739.550851] ? __cpuset_node_allowed+0x136/0x540 [ 739.579984] 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 [ 739.584858] ? __isolate_free_page+0x4c0/0x4c0 [ 739.588912] lowmem_reserve[]: 0 0 0 0 0 [ 739.593677] ? wake_all_kswapds+0x14d/0x300 [ 739.619501] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 739.624089] __alloc_pages_slowpath+0x2214/0x2870 [ 739.628036] lowmem_reserve[]: 0 0 0 0 0 [ 739.632388] ? warn_alloc+0x110/0x110 [ 739.660302] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 739.665174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 739.669125] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 739.672923] ? should_fail+0x14d/0x85c [ 739.684702] 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 [ 739.690275] ? __isolate_free_page+0x4c0/0x4c0 [ 739.705623] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 739.709531] __alloc_pages_nodemask+0x617/0x750 [ 739.720155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 739.724811] ? __alloc_pages_slowpath+0x2870/0x2870 [ 739.739960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 739.744628] cache_grow_begin+0x91/0x8c0 [ 739.753439] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 739.759052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.767597] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 739.767605] 269 total pagecache pages [ 739.771662] ? __cpuset_node_allowed+0x136/0x540 [ 739.780485] 0 pages in swap cache [ 739.786007] fallback_alloc+0x1fd/0x2d0 [ 739.794565] Swap cache stats: add 0, delete 0, find 0/0 [ 739.798442] ____cache_alloc_node+0x1be/0x1e0 [ 739.803174] Free swap = 0kB [ 739.803182] Total swap = 0kB [ 739.806626] kmem_cache_alloc_node+0xe3/0x710 [ 739.810570] 1965979 pages RAM [ 739.815927] __alloc_skb+0xd5/0x5f0 [ 739.820385] 0 pages HighMem/MovableOnly [ 739.820393] 341723 pages reserved [ 739.823403] ? skb_trim+0x190/0x190 [ 739.826394] 0 pages cma reserved [ 739.830880] ? check_preemption_disabled+0x48/0x290 [ 739.834101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 739.837658] ? lock_acquire+0x16f/0x3f0 [ 739.837677] new_skb+0x28/0x1d0 [ 739.837691] aoecmd_cfg+0x1b5/0x640 [ 739.841866] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 739.845287] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 739.848889] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 739.852259] ? timer_reduce+0x11d0/0x11d0 [ 739.898946] discover_timer+0x4e/0x60 [ 739.902745] call_timer_fn+0x18d/0x720 [ 739.906625] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 739.911283] ? process_timeout+0x40/0x40 [ 739.915333] ? run_timer_softirq+0x644/0x16a0 [ 739.919822] ? trace_hardirqs_on+0x67/0x220 [ 739.924147] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 739.928810] run_timer_softirq+0x64f/0x16a0 [ 739.933128] ? add_timer+0xbe0/0xbe0 [ 739.936836] ? __lock_is_held+0xb6/0x140 [ 739.940917] __do_softirq+0x25c/0x921 [ 739.944708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.950235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.955791] irq_exit+0x180/0x1d0 [ 739.959238] smp_apic_timer_interrupt+0x13b/0x550 [ 739.964073] apic_timer_interrupt+0xf/0x20 [ 739.968291] [ 739.970523] RIP: 0010:smp_call_function_single+0x139/0x420 [ 739.976139] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 739.995030] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 740.002726] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 740.010078] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 740.017347] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 740.024606] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 740.031875] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 740.039146] ? smp_call_function_single+0x14c/0x420 [ 740.044172] ? smp_call_function_single+0x137/0x420 [ 740.049183] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 740.055423] ? generic_exec_single+0x490/0x490 [ 740.059995] ? __lock_acquire+0x6ee/0x49c0 [ 740.064229] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 740.070017] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 740.075028] ? find_next_and_bit+0x19a/0x200 [ 740.079450] smp_call_function_many+0x75f/0x8e0 [ 740.084177] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 740.090002] native_flush_tlb_others+0x81/0x420 [ 740.094675] flush_tlb_mm_range+0x21c/0x350 [ 740.099097] ? native_flush_tlb_others+0x420/0x420 [ 740.104056] ? lock_acquire+0x16f/0x3f0 [ 740.108034] ? kasan_check_write+0x14/0x20 [ 740.112280] flush_tlb_batched_pending+0x6e/0xb0 [ 740.117056] unmap_page_range+0x8b5/0x1fb0 [ 740.121300] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 740.125798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 740.131327] ? kasan_check_write+0x14/0x20 [ 740.135563] __oom_reap_task_mm+0x1fb/0x3a0 [ 740.139884] ? process_shares_mm+0x130/0x130 [ 740.144293] ? oom_reaper+0x12c/0x1160 [ 740.148179] ? __lock_is_held+0xb6/0x140 [ 740.152259] oom_reaper+0x246/0x1160 [ 740.155989] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 740.160514] ? trace_hardirqs_on+0x67/0x220 [ 740.164844] ? finish_wait+0x260/0x260 [ 740.168728] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 740.173839] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 740.179546] ? __kthread_parkme+0xfb/0x1b0 [ 740.183776] kthread+0x354/0x420 [ 740.187137] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 740.191622] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 740.197150] ret_from_fork+0x24/0x30 [ 740.200871] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 740.200927] aoe: skb alloc failure [ 740.208675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.208680] Call Trace: [ 740.208686] [ 740.208702] dump_stack+0x197/0x210 [ 740.208720] warn_alloc.cold+0x7b/0x173 [ 740.212259] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 740.221583] ? zone_watermark_ok_safe+0x260/0x260 [ 740.224148] oom_reaper cpuset=/ mems_allowed=0-1 [ 740.226292] ? __cpuset_node_allowed+0x136/0x540 [ 740.259071] ? __isolate_free_page+0x4c0/0x4c0 [ 740.263682] ? wake_all_kswapds+0x14d/0x300 [ 740.268110] __alloc_pages_slowpath+0x2214/0x2870 [ 740.273111] ? warn_alloc+0x110/0x110 [ 740.276920] ? __lock_acquire+0x6ee/0x49c0 [ 740.281176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.286716] ? should_fail+0x14d/0x85c [ 740.290609] ? __isolate_free_page+0x4c0/0x4c0 [ 740.295203] __alloc_pages_nodemask+0x617/0x750 [ 740.299872] ? __alloc_pages_slowpath+0x2870/0x2870 [ 740.304889] ? find_held_lock+0x35/0x130 [ 740.308943] cache_grow_begin+0x91/0x8c0 [ 740.312997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.318528] ? __cpuset_node_allowed+0x136/0x540 [ 740.323276] fallback_alloc+0x1fd/0x2d0 [ 740.327275] ____cache_alloc_node+0x1be/0x1e0 [ 740.331802] kmem_cache_alloc_node+0xe3/0x710 [ 740.336305] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 740.340562] __alloc_skb+0xd5/0x5f0 [ 740.344216] ? skb_trim+0x190/0x190 [ 740.347849] ? kasan_check_read+0x11/0x20 [ 740.352004] ndisc_alloc_skb+0x13c/0x340 [ 740.356061] ndisc_send_rs+0x35f/0x6e0 [ 740.359943] addrconf_rs_timer+0x30f/0x680 [ 740.364174] ? ipv6_get_lladdr+0x490/0x490 [ 740.368425] call_timer_fn+0x18d/0x720 [ 740.372305] ? ipv6_get_lladdr+0x490/0x490 [ 740.376530] ? process_timeout+0x40/0x40 [ 740.380584] ? run_timer_softirq+0x644/0x16a0 [ 740.385072] ? trace_hardirqs_on+0x67/0x220 [ 740.389387] ? ipv6_get_lladdr+0x490/0x490 [ 740.393615] run_timer_softirq+0x64f/0x16a0 [ 740.397933] ? add_timer+0xbe0/0xbe0 [ 740.401644] ? __lock_is_held+0xb6/0x140 [ 740.405706] __do_softirq+0x25c/0x921 [ 740.409499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.415025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.420564] irq_exit+0x180/0x1d0 [ 740.424015] smp_apic_timer_interrupt+0x13b/0x550 [ 740.428852] apic_timer_interrupt+0xf/0x20 [ 740.433070] [ 740.435300] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 740.440234] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 740.459123] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 740.466911] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 740.474206] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 740.481486] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 740.488762] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 740.496035] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 740.503425] skb_clone+0x156/0x3e0 [ 740.506988] bpf_clone_redirect+0xb2/0x480 [ 740.511232] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 740.516254] ? 0xffffffff81000000 [ 740.519710] ? mark_held_locks+0x100/0x100 [ 740.523940] ? trace_hardirqs_on_caller+0x6a/0x220 [ 740.528885] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 740.533637] ? bpf_test_run+0x146/0x430 [ 740.537604] ? find_held_lock+0x35/0x130 [ 740.541656] ? bpf_test_run+0x146/0x430 [ 740.545629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.551157] ? check_preemption_disabled+0x48/0x290 [ 740.556175] ? lock_acquire+0x16f/0x3f0 [ 740.560148] ? kasan_check_read+0x11/0x20 [ 740.564290] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 740.569478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 740.575007] bpf_test_run+0x10d/0x430 [ 740.578811] bpf_prog_test_run_skb+0x64b/0xb20 [ 740.583390] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 740.588233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 740.593771] ? fput+0x128/0x1a0 [ 740.597043] ? __bpf_prog_get+0x97/0x290 [ 740.601099] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 740.605953] bpf_prog_test_run+0x129/0x1a0 [ 740.610186] __x64_sys_bpf+0x397/0x4c0 [ 740.614070] ? bpf_prog_get+0x20/0x20 [ 740.617876] ? do_syscall_64+0x26/0x620 [ 740.621849] ? lockdep_hardirqs_on+0x415/0x5d0 [ 740.626426] ? trace_hardirqs_on+0x67/0x220 [ 740.630754] do_syscall_64+0xfd/0x620 [ 740.634556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 740.639742] RIP: 0033:0x45af49 [ 740.642937] Code: Bad RIP value. [ 740.646291] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 740.653990] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 740.661349] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 740.668629] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 740.675898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 740.683164] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 740.690448] warn_alloc_show_mem: 1 callbacks suppressed [ 740.690458] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 740.690460] Mem-Info: [ 740.690489] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 740.690489] active_file:13 inactive_file:11 isolated_file:0 [ 740.690489] unevictable:0 dirty:0 writeback:0 unstable:0 [ 740.690489] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 740.690489] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 740.690489] free:10923 free_pcp:135 free_cma:0 [ 740.695829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.703293] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 740.705693] Call Trace: [ 740.739197] Node 1 active_anon:1432kB 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 [ 740.749793] [ 740.777207] Node 0 DMA free:10256kB 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 [ 740.779804] dump_stack+0x197/0x210 [ 740.805848] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 740.807978] warn_alloc.cold+0x7b/0x173 [ 740.834061] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 740.837684] ? zone_watermark_ok_safe+0x260/0x260 [ 740.842668] lowmem_reserve[]: 0 0 1 1 1 [ 740.846635] ? __cpuset_node_allowed+0x136/0x540 [ 740.875234] 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 [ 740.880079] ? __isolate_free_page+0x4c0/0x4c0 [ 740.884023] lowmem_reserve[]: 0 0 0 0 0 [ 740.888788] ? wake_all_kswapds+0x14d/0x300 [ 740.914520] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 740.919103] __alloc_pages_slowpath+0x2214/0x2870 [ 740.923037] lowmem_reserve[]: 0 0 0 0 0 [ 740.927376] ? warn_alloc+0x110/0x110 [ 740.955179] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 740.960022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 740.963979] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 740.967779] ? should_fail+0x14d/0x85c [ 740.979531] 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 [ 740.985076] ? __isolate_free_page+0x4c0/0x4c0 [ 741.005441] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 741.009333] __alloc_pages_nodemask+0x617/0x750 [ 741.019962] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 741.024532] ? __alloc_pages_slowpath+0x2870/0x2870 [ 741.039599] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 741.039614] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 741.044310] cache_grow_begin+0x91/0x8c0 [ 741.053132] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 741.058164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.066731] 269 total pagecache pages [ 741.066746] 0 pages in swap cache [ 741.075710] ? __cpuset_node_allowed+0x136/0x540 [ 741.079750] Swap cache stats: add 0, delete 0, find 0/0 [ 741.088339] fallback_alloc+0x1fd/0x2d0 [ 741.093862] Free swap = 0kB [ 741.097688] ____cache_alloc_node+0x1be/0x1e0 [ 741.101115] Total swap = 0kB [ 741.101124] 1965979 pages RAM [ 741.105901] kmem_cache_alloc_node+0xe3/0x710 [ 741.111246] 0 pages HighMem/MovableOnly [ 741.115236] __alloc_skb+0xd5/0x5f0 [ 741.118931] 341723 pages reserved [ 741.118941] 0 pages cma reserved [ 741.123452] ? skb_trim+0x190/0x190 [ 741.126509] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 741.129565] ? check_preemption_disabled+0x48/0x290 [ 741.129579] ? lock_acquire+0x16f/0x3f0 [ 741.129598] new_skb+0x28/0x1d0 [ 741.134160] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 741.138106] aoecmd_cfg+0x1b5/0x640 [ 741.141719] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 741.145176] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 741.194831] ? timer_reduce+0x11d0/0x11d0 [ 741.199073] discover_timer+0x4e/0x60 [ 741.202899] call_timer_fn+0x18d/0x720 [ 741.206786] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 741.211453] ? process_timeout+0x40/0x40 [ 741.215534] ? run_timer_softirq+0x644/0x16a0 [ 741.220034] ? trace_hardirqs_on+0x67/0x220 [ 741.224368] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 741.229054] run_timer_softirq+0x64f/0x16a0 [ 741.233395] ? add_timer+0xbe0/0xbe0 [ 741.237110] ? __lock_is_held+0xb6/0x140 [ 741.241201] __do_softirq+0x25c/0x921 [ 741.245007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.250535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.256086] irq_exit+0x180/0x1d0 [ 741.259532] smp_apic_timer_interrupt+0x13b/0x550 [ 741.264368] apic_timer_interrupt+0xf/0x20 [ 741.268587] [ 741.270821] RIP: 0010:smp_call_function_single+0x139/0x420 [ 741.276450] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 741.295361] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 741.303067] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 741.310588] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 741.317847] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 741.325106] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 741.332374] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 741.339674] ? smp_call_function_single+0x14c/0x420 [ 741.344705] ? smp_call_function_single+0x137/0x420 [ 741.349741] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 741.355548] ? generic_exec_single+0x490/0x490 [ 741.360127] ? __lock_acquire+0x6ee/0x49c0 [ 741.364378] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 741.370175] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 741.375189] ? find_next_and_bit+0x19a/0x200 [ 741.379599] smp_call_function_many+0x75f/0x8e0 [ 741.384268] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 741.390062] native_flush_tlb_others+0x81/0x420 [ 741.394723] flush_tlb_mm_range+0x21c/0x350 [ 741.399035] ? native_flush_tlb_others+0x420/0x420 [ 741.403958] ? lock_acquire+0x16f/0x3f0 [ 741.407925] ? kasan_check_write+0x14/0x20 [ 741.412157] flush_tlb_batched_pending+0x6e/0xb0 [ 741.417076] unmap_page_range+0x8b5/0x1fb0 [ 741.421317] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 741.425811] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.431344] ? kasan_check_write+0x14/0x20 [ 741.435593] __oom_reap_task_mm+0x1fb/0x3a0 [ 741.439930] ? process_shares_mm+0x130/0x130 [ 741.444332] ? oom_reaper+0x12c/0x1160 [ 741.448217] ? __lock_is_held+0xb6/0x140 [ 741.452276] oom_reaper+0x246/0x1160 [ 741.456001] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 741.460486] ? trace_hardirqs_on+0x67/0x220 [ 741.464799] ? finish_wait+0x260/0x260 [ 741.468691] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 741.473787] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.479314] ? __kthread_parkme+0xfb/0x1b0 [ 741.483559] kthread+0x354/0x420 [ 741.486918] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 741.491405] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 741.497024] ret_from_fork+0x24/0x30 [ 741.500757] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 741.500821] aoe: skb alloc failure [ 741.511172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.511177] Call Trace: [ 741.511184] [ 741.511206] dump_stack+0x197/0x210 [ 741.511222] warn_alloc.cold+0x7b/0x173 [ 741.511242] ? zone_watermark_ok_safe+0x260/0x260 [ 741.514809] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 741.524312] ? __cpuset_node_allowed+0x136/0x540 [ 741.526879] oom_reaper cpuset=/ mems_allowed=0-1 [ 741.529027] ? __isolate_free_page+0x4c0/0x4c0 [ 741.566814] ? wake_all_kswapds+0x14d/0x300 [ 741.571135] __alloc_pages_slowpath+0x2214/0x2870 [ 741.575987] ? warn_alloc+0x110/0x110 [ 741.579805] ? __lock_acquire+0x6ee/0x49c0 [ 741.584032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 741.589562] ? should_fail+0x14d/0x85c [ 741.593453] ? __isolate_free_page+0x4c0/0x4c0 [ 741.598045] __alloc_pages_nodemask+0x617/0x750 [ 741.602724] ? __alloc_pages_slowpath+0x2870/0x2870 [ 741.607748] ? find_held_lock+0x35/0x130 [ 741.611805] cache_grow_begin+0x91/0x8c0 [ 741.615861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.621388] ? __cpuset_node_allowed+0x136/0x540 [ 741.628664] fallback_alloc+0x1fd/0x2d0 [ 741.632643] ____cache_alloc_node+0x1be/0x1e0 [ 741.637132] kmem_cache_alloc_node+0xe3/0x710 [ 741.641620] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 741.645862] __alloc_skb+0xd5/0x5f0 [ 741.649484] ? skb_trim+0x190/0x190 [ 741.653103] ? kasan_check_read+0x11/0x20 [ 741.658117] ndisc_alloc_skb+0x13c/0x340 [ 741.662185] ndisc_send_rs+0x35f/0x6e0 [ 741.666073] addrconf_rs_timer+0x30f/0x680 [ 741.670302] ? ipv6_get_lladdr+0x490/0x490 [ 741.674534] call_timer_fn+0x18d/0x720 [ 741.678415] ? ipv6_get_lladdr+0x490/0x490 [ 741.682642] ? process_timeout+0x40/0x40 [ 741.686692] ? run_timer_softirq+0x644/0x16a0 [ 741.691190] ? trace_hardirqs_on+0x67/0x220 [ 741.695507] ? ipv6_get_lladdr+0x490/0x490 [ 741.699751] run_timer_softirq+0x64f/0x16a0 [ 741.704071] ? add_timer+0xbe0/0xbe0 [ 741.707785] ? __lock_is_held+0xb6/0x140 [ 741.711849] __do_softirq+0x25c/0x921 [ 741.715637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.721163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.726722] irq_exit+0x180/0x1d0 [ 741.730196] smp_apic_timer_interrupt+0x13b/0x550 [ 741.735063] apic_timer_interrupt+0xf/0x20 [ 741.739776] [ 741.742015] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 741.746949] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 741.765851] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 741.773551] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 741.780810] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 741.788070] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 741.795534] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 741.802860] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 741.810167] skb_clone+0x156/0x3e0 [ 741.813705] bpf_clone_redirect+0xb2/0x480 [ 741.817934] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 741.822960] ? 0xffffffff81000000 [ 741.826431] ? mark_held_locks+0x100/0x100 [ 741.830684] ? trace_hardirqs_on_caller+0x6a/0x220 [ 741.835626] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 741.840382] ? bpf_test_run+0x146/0x430 [ 741.844354] ? find_held_lock+0x35/0x130 [ 741.848449] ? bpf_test_run+0x146/0x430 [ 741.852456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.857982] ? check_preemption_disabled+0x48/0x290 [ 741.862988] ? lock_acquire+0x16f/0x3f0 [ 741.866959] ? kasan_check_read+0x11/0x20 [ 741.871097] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 741.876282] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.881810] bpf_test_run+0x10d/0x430 [ 741.885612] bpf_prog_test_run_skb+0x64b/0xb20 [ 741.890190] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 741.895023] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.900561] ? fput+0x128/0x1a0 [ 741.903833] ? __bpf_prog_get+0x97/0x290 [ 741.907892] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 741.912724] bpf_prog_test_run+0x129/0x1a0 [ 741.916953] __x64_sys_bpf+0x397/0x4c0 [ 741.920832] ? bpf_prog_get+0x20/0x20 [ 741.924633] ? do_syscall_64+0x26/0x620 [ 741.928686] ? lockdep_hardirqs_on+0x415/0x5d0 [ 741.933262] ? trace_hardirqs_on+0x67/0x220 [ 741.937577] do_syscall_64+0xfd/0x620 [ 741.941372] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 741.946551] RIP: 0033:0x45af49 [ 741.949746] Code: Bad RIP value. [ 741.953123] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 741.960829] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 741.969042] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 741.976299] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 741.983556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 741.990815] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 741.998087] warn_alloc_show_mem: 1 callbacks suppressed [ 741.998097] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 741.998099] Mem-Info: [ 741.998129] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 741.998129] active_file:13 inactive_file:11 isolated_file:0 [ 741.998129] unevictable:0 dirty:0 writeback:0 unstable:0 [ 741.998129] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 741.998129] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 741.998129] free:10923 free_pcp:135 free_cma:0 [ 742.003467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.010823] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 742.013213] Call Trace: [ 742.046265] Node 1 active_anon:1432kB 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 [ 742.055585] [ 742.082980] Node 0 DMA free:10256kB 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 [ 742.085574] dump_stack+0x197/0x210 [ 742.111909] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 742.114071] warn_alloc.cold+0x7b/0x173 [ 742.140151] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 742.143776] ? zone_watermark_ok_safe+0x260/0x260 [ 742.148760] lowmem_reserve[]: 0 0 1 1 1 [ 742.152726] ? __cpuset_node_allowed+0x136/0x540 [ 742.181324] 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 [ 742.186605] ? __isolate_free_page+0x4c0/0x4c0 [ 742.190638] lowmem_reserve[]: 0 0 0 0 0 [ 742.195405] ? wake_all_kswapds+0x14d/0x300 [ 742.221315] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 742.226031] __alloc_pages_slowpath+0x2214/0x2870 [ 742.230004] lowmem_reserve[]: 0 0 0 0 0 [ 742.234385] ? warn_alloc+0x110/0x110 [ 742.262207] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 742.267491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.271444] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 742.275249] ? should_fail+0x14d/0x85c [ 742.287026] 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 [ 742.292670] ? __isolate_free_page+0x4c0/0x4c0 [ 742.307591] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 742.311611] __alloc_pages_nodemask+0x617/0x750 [ 742.322377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 742.326965] ? __alloc_pages_slowpath+0x2870/0x2870 [ 742.342038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 742.342051] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 742.346721] cache_grow_begin+0x91/0x8c0 [ 742.355642] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 742.355652] 269 total pagecache pages [ 742.360813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.369508] 0 pages in swap cache [ 742.378367] ? __cpuset_node_allowed+0x136/0x540 [ 742.382426] Swap cache stats: add 0, delete 0, find 0/0 [ 742.382436] Free swap = 0kB [ 742.391132] fallback_alloc+0x1fd/0x2d0 [ 742.394915] Total swap = 0kB [ 742.400487] ____cache_alloc_node+0x1be/0x1e0 [ 742.403931] 1965979 pages RAM [ 742.408719] kmem_cache_alloc_node+0xe3/0x710 [ 742.414072] 0 pages HighMem/MovableOnly [ 742.417111] __alloc_skb+0xd5/0x5f0 [ 742.421060] 341723 pages reserved [ 742.421070] 0 pages cma reserved [ 742.424207] ? skb_trim+0x190/0x190 [ 742.428739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 742.431931] ? check_preemption_disabled+0x48/0x290 [ 742.436577] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 742.440383] ? lock_acquire+0x16f/0x3f0 [ 742.444094] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 742.447560] new_skb+0x28/0x1d0 [ 742.492478] aoecmd_cfg+0x1b5/0x640 [ 742.496127] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 742.500482] ? timer_reduce+0x11d0/0x11d0 [ 742.504658] discover_timer+0x4e/0x60 [ 742.508470] call_timer_fn+0x18d/0x720 [ 742.512375] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 742.517053] ? process_timeout+0x40/0x40 [ 742.521117] ? run_timer_softirq+0x644/0x16a0 [ 742.525618] ? trace_hardirqs_on+0x67/0x220 [ 742.529939] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 742.534638] run_timer_softirq+0x64f/0x16a0 [ 742.538975] ? add_timer+0xbe0/0xbe0 [ 742.542717] ? __lock_is_held+0xb6/0x140 [ 742.546813] __do_softirq+0x25c/0x921 [ 742.550622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.556174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.561752] irq_exit+0x180/0x1d0 [ 742.565254] smp_apic_timer_interrupt+0x13b/0x550 [ 742.570129] apic_timer_interrupt+0xf/0x20 [ 742.574374] [ 742.576802] RIP: 0010:smp_call_function_single+0x139/0x420 [ 742.582439] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 742.601375] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 742.609101] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 742.616377] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 742.623819] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 742.632208] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 742.640858] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 742.648142] ? smp_call_function_single+0x14c/0x420 [ 742.653166] ? smp_call_function_single+0x137/0x420 [ 742.658188] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 742.664089] ? generic_exec_single+0x490/0x490 [ 742.668665] ? __lock_acquire+0x6ee/0x49c0 [ 742.672893] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 742.678693] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 742.684046] ? find_next_and_bit+0x19a/0x200 [ 742.688566] smp_call_function_many+0x75f/0x8e0 [ 742.693359] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 742.699164] native_flush_tlb_others+0x81/0x420 [ 742.703837] flush_tlb_mm_range+0x21c/0x350 [ 742.708242] ? native_flush_tlb_others+0x420/0x420 [ 742.713168] ? lock_acquire+0x16f/0x3f0 [ 742.717224] ? kasan_check_write+0x14/0x20 [ 742.721453] flush_tlb_batched_pending+0x6e/0xb0 [ 742.726203] unmap_page_range+0x8b5/0x1fb0 [ 742.730452] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 742.734963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 742.740494] ? kasan_check_write+0x14/0x20 [ 742.744725] __oom_reap_task_mm+0x1fb/0x3a0 [ 742.749070] ? process_shares_mm+0x130/0x130 [ 742.753483] ? oom_reaper+0x12c/0x1160 [ 742.757398] ? __lock_is_held+0xb6/0x140 [ 742.761493] oom_reaper+0x246/0x1160 [ 742.765215] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 742.769726] ? trace_hardirqs_on+0x67/0x220 [ 742.774070] ? finish_wait+0x260/0x260 [ 742.777964] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 742.783114] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 742.788672] ? __kthread_parkme+0xfb/0x1b0 [ 742.792936] kthread+0x354/0x420 [ 742.796325] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 742.801026] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 742.806579] ret_from_fork+0x24/0x30 [ 742.810326] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 742.810387] aoe: skb alloc failure [ 742.818525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.818530] Call Trace: [ 742.818537] [ 742.818560] dump_stack+0x197/0x210 [ 742.818575] warn_alloc.cold+0x7b/0x173 [ 742.818591] ? zone_watermark_ok_safe+0x260/0x260 [ 742.818608] ? __cpuset_node_allowed+0x136/0x540 [ 742.822348] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 742.831718] ? __isolate_free_page+0x4c0/0x4c0 [ 742.834288] oom_reaper cpuset=/ mems_allowed=0-1 [ 742.836452] ? wake_all_kswapds+0x14d/0x300 [ 742.878572] __alloc_pages_slowpath+0x2214/0x2870 [ 742.883435] ? warn_alloc+0x110/0x110 [ 742.887372] ? __lock_acquire+0x6ee/0x49c0 [ 742.891616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 742.897163] ? should_fail+0x14d/0x85c [ 742.901078] ? __isolate_free_page+0x4c0/0x4c0 [ 742.905692] __alloc_pages_nodemask+0x617/0x750 [ 742.910365] ? __alloc_pages_slowpath+0x2870/0x2870 [ 742.915399] ? find_held_lock+0x35/0x130 [ 742.919744] cache_grow_begin+0x91/0x8c0 [ 742.923799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.929422] ? __cpuset_node_allowed+0x136/0x540 [ 742.934170] fallback_alloc+0x1fd/0x2d0 [ 742.938225] ____cache_alloc_node+0x1be/0x1e0 [ 742.942724] kmem_cache_alloc_node+0xe3/0x710 [ 742.947210] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 742.951446] __alloc_skb+0xd5/0x5f0 [ 742.955165] ? skb_trim+0x190/0x190 [ 742.958799] ? kasan_check_read+0x11/0x20 [ 742.962959] ndisc_alloc_skb+0x13c/0x340 [ 742.967017] ndisc_send_rs+0x35f/0x6e0 [ 742.970900] addrconf_rs_timer+0x30f/0x680 [ 742.975145] ? ipv6_get_lladdr+0x490/0x490 [ 742.979383] call_timer_fn+0x18d/0x720 [ 742.983263] ? ipv6_get_lladdr+0x490/0x490 [ 742.987490] ? process_timeout+0x40/0x40 [ 742.991541] ? run_timer_softirq+0x644/0x16a0 [ 742.996040] ? trace_hardirqs_on+0x67/0x220 [ 743.000360] ? ipv6_get_lladdr+0x490/0x490 [ 743.004588] run_timer_softirq+0x64f/0x16a0 [ 743.008921] ? add_timer+0xbe0/0xbe0 [ 743.012644] ? __lock_is_held+0xb6/0x140 [ 743.016726] __do_softirq+0x25c/0x921 [ 743.020521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.026052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.031592] irq_exit+0x180/0x1d0 [ 743.035039] smp_apic_timer_interrupt+0x13b/0x550 [ 743.039891] apic_timer_interrupt+0xf/0x20 [ 743.044114] [ 743.046348] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 743.051271] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 743.070947] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 743.078822] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 743.086085] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 743.093370] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 743.100979] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 743.108328] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 743.115878] skb_clone+0x156/0x3e0 [ 743.119418] bpf_clone_redirect+0xb2/0x480 [ 743.123651] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 743.128766] ? 0xffffffff81000000 [ 743.132219] ? mark_held_locks+0x100/0x100 [ 743.136447] ? trace_hardirqs_on_caller+0x6a/0x220 [ 743.141384] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 743.146397] ? bpf_test_run+0x146/0x430 [ 743.150391] ? find_held_lock+0x35/0x130 [ 743.155158] ? bpf_test_run+0x146/0x430 [ 743.159136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.164665] ? check_preemption_disabled+0x48/0x290 [ 743.169672] ? lock_acquire+0x16f/0x3f0 [ 743.173644] ? kasan_check_read+0x11/0x20 [ 743.177794] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 743.182978] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 743.188527] bpf_test_run+0x10d/0x430 [ 743.192330] bpf_prog_test_run_skb+0x64b/0xb20 [ 743.196923] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 743.201760] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 743.207291] ? fput+0x128/0x1a0 [ 743.210577] ? __bpf_prog_get+0x97/0x290 [ 743.215500] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 743.220344] bpf_prog_test_run+0x129/0x1a0 [ 743.224661] __x64_sys_bpf+0x397/0x4c0 [ 743.228641] ? bpf_prog_get+0x20/0x20 [ 743.232631] ? do_syscall_64+0x26/0x620 [ 743.236613] ? lockdep_hardirqs_on+0x415/0x5d0 [ 743.241277] ? trace_hardirqs_on+0x67/0x220 [ 743.245606] do_syscall_64+0xfd/0x620 [ 743.249581] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 743.254762] RIP: 0033:0x45af49 [ 743.258073] Code: Bad RIP value. [ 743.261431] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 743.269235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 743.276732] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 743.283992] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 743.291267] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 743.298636] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 743.305938] warn_alloc_show_mem: 1 callbacks suppressed [ 743.305948] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 743.305950] Mem-Info: [ 743.305979] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 743.305979] active_file:13 inactive_file:11 isolated_file:0 [ 743.305979] unevictable:0 dirty:0 writeback:0 unstable:0 [ 743.305979] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 743.305979] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 743.305979] free:10923 free_pcp:135 free_cma:0 [ 743.311326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 743.311337] Call Trace: [ 743.318725] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 743.321120] [ 743.355318] Node 1 active_anon:1432kB 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 [ 743.364681] dump_stack+0x197/0x210 [ 743.367241] Node 0 DMA free:10256kB 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 [ 743.396076] warn_alloc.cold+0x7b/0x173 [ 743.398207] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 743.424874] ? zone_watermark_ok_safe+0x260/0x260 [ 743.428478] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 743.454768] ? __cpuset_node_allowed+0x136/0x540 [ 743.458752] lowmem_reserve[]: 0 0 1 1 1 [ 743.464322] ? __isolate_free_page+0x4c0/0x4c0 [ 743.469137] 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 [ 743.498107] ? wake_all_kswapds+0x14d/0x300 [ 743.502840] lowmem_reserve[]: 0 0 0 0 0 [ 743.506855] __alloc_pages_slowpath+0x2214/0x2870 [ 743.511411] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 743.537281] ? warn_alloc+0x110/0x110 [ 743.541565] lowmem_reserve[]: 0 0 0 0 0 [ 743.545539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 743.550353] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 743.578205] ? should_fail+0x14d/0x85c [ 743.582165] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 743.586136] ? __isolate_free_page+0x4c0/0x4c0 [ 743.591664] 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 [ 743.603750] __alloc_pages_nodemask+0x617/0x750 [ 743.607613] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 743.622352] ? __alloc_pages_slowpath+0x2870/0x2870 [ 743.626923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 743.637765] cache_grow_begin+0x91/0x8c0 [ 743.642401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 743.642414] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 743.657774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.663400] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 743.672218] ? __cpuset_node_allowed+0x136/0x540 [ 743.676254] 269 total pagecache pages [ 743.684819] fallback_alloc+0x1fd/0x2d0 [ 743.693637] 0 pages in swap cache [ 743.699261] ____cache_alloc_node+0x1be/0x1e0 [ 743.707824] Swap cache stats: add 0, delete 0, find 0/0 [ 743.712573] kmem_cache_alloc_node+0xe3/0x710 [ 743.716347] Free swap = 0kB [ 743.720336] __alloc_skb+0xd5/0x5f0 [ 743.723753] Total swap = 0kB [ 743.723762] 1965979 pages RAM [ 743.728262] ? skb_trim+0x190/0x190 [ 743.733606] 0 pages HighMem/MovableOnly [ 743.733614] 341723 pages reserved [ 743.738115] ? check_preemption_disabled+0x48/0x290 [ 743.741107] 0 pages cma reserved [ 743.744718] ? lock_acquire+0x16f/0x3f0 [ 743.744738] new_skb+0x28/0x1d0 [ 743.747809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 743.750838] aoecmd_cfg+0x1b5/0x640 [ 743.754509] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 743.758415] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 743.761851] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 743.766872] ? timer_reduce+0x11d0/0x11d0 [ 743.811874] discover_timer+0x4e/0x60 [ 743.815670] call_timer_fn+0x18d/0x720 [ 743.819796] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 743.824459] ? process_timeout+0x40/0x40 [ 743.828513] ? run_timer_softirq+0x644/0x16a0 [ 743.833004] ? trace_hardirqs_on+0x67/0x220 [ 743.837323] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 743.842071] run_timer_softirq+0x64f/0x16a0 [ 743.846393] ? add_timer+0xbe0/0xbe0 [ 743.850123] ? __lock_is_held+0xb6/0x140 [ 743.854189] __do_softirq+0x25c/0x921 [ 743.857982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.863509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.869047] irq_exit+0x180/0x1d0 [ 743.872510] smp_apic_timer_interrupt+0x13b/0x550 [ 743.877366] apic_timer_interrupt+0xf/0x20 [ 743.881589] [ 743.883842] RIP: 0010:smp_call_function_single+0x139/0x420 [ 743.889486] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 743.908405] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 743.916469] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 743.923867] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 743.931144] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 743.938510] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 743.945953] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 743.953236] ? smp_call_function_single+0x14c/0x420 [ 743.958285] ? smp_call_function_single+0x137/0x420 [ 743.963342] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 743.969174] ? generic_exec_single+0x490/0x490 [ 743.973881] ? __lock_acquire+0x6ee/0x49c0 [ 743.978131] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 743.983944] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 743.988957] ? find_next_and_bit+0x19a/0x200 [ 743.993381] smp_call_function_many+0x75f/0x8e0 [ 743.998047] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 744.003846] native_flush_tlb_others+0x81/0x420 [ 744.008511] flush_tlb_mm_range+0x21c/0x350 [ 744.012866] ? native_flush_tlb_others+0x420/0x420 [ 744.017804] ? lock_acquire+0x16f/0x3f0 [ 744.021885] ? kasan_check_write+0x14/0x20 [ 744.026117] flush_tlb_batched_pending+0x6e/0xb0 [ 744.030866] unmap_page_range+0x8b5/0x1fb0 [ 744.035111] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 744.039597] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 744.045130] ? kasan_check_write+0x14/0x20 [ 744.049361] __oom_reap_task_mm+0x1fb/0x3a0 [ 744.053681] ? process_shares_mm+0x130/0x130 [ 744.058088] ? oom_reaper+0x12c/0x1160 [ 744.061973] ? __lock_is_held+0xb6/0x140 [ 744.066037] oom_reaper+0x246/0x1160 [ 744.069752] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 744.074242] ? trace_hardirqs_on+0x67/0x220 [ 744.078560] ? finish_wait+0x260/0x260 [ 744.082459] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 744.087555] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 744.093130] ? __kthread_parkme+0xfb/0x1b0 [ 744.097378] kthread+0x354/0x420 [ 744.100749] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 744.105244] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 744.110784] ret_from_fork+0x24/0x30 [ 744.114530] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 744.114594] aoe: skb alloc failure [ 744.122336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.122340] Call Trace: [ 744.122346] [ 744.122364] dump_stack+0x197/0x210 [ 744.122381] warn_alloc.cold+0x7b/0x173 [ 744.125925] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 744.135260] ? zone_watermark_ok_safe+0x260/0x260 [ 744.137828] oom_reaper cpuset=/ mems_allowed=0-1 [ 744.139974] ? __cpuset_node_allowed+0x136/0x540 [ 744.172072] ? __isolate_free_page+0x4c0/0x4c0 [ 744.176653] ? wake_all_kswapds+0x14d/0x300 [ 744.180980] __alloc_pages_slowpath+0x2214/0x2870 [ 744.185860] ? warn_alloc+0x110/0x110 [ 744.189661] ? __lock_acquire+0x6ee/0x49c0 [ 744.193888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.199421] ? should_fail+0x14d/0x85c [ 744.203308] ? __isolate_free_page+0x4c0/0x4c0 [ 744.215809] __alloc_pages_nodemask+0x617/0x750 [ 744.220497] ? __alloc_pages_slowpath+0x2870/0x2870 [ 744.225522] ? find_held_lock+0x35/0x130 [ 744.229578] cache_grow_begin+0x91/0x8c0 [ 744.233656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.239209] ? __cpuset_node_allowed+0x136/0x540 [ 744.244089] fallback_alloc+0x1fd/0x2d0 [ 744.248065] ____cache_alloc_node+0x1be/0x1e0 [ 744.252566] kmem_cache_alloc_node+0xe3/0x710 [ 744.257077] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 744.261321] __alloc_skb+0xd5/0x5f0 [ 744.264969] ? skb_trim+0x190/0x190 [ 744.268613] ? kasan_check_read+0x11/0x20 [ 744.272793] ndisc_alloc_skb+0x13c/0x340 [ 744.276866] ndisc_send_rs+0x35f/0x6e0 [ 744.280777] addrconf_rs_timer+0x30f/0x680 [ 744.285015] ? ipv6_get_lladdr+0x490/0x490 [ 744.289256] call_timer_fn+0x18d/0x720 [ 744.293165] ? ipv6_get_lladdr+0x490/0x490 [ 744.297419] ? process_timeout+0x40/0x40 [ 744.301481] ? run_timer_softirq+0x644/0x16a0 [ 744.306000] ? trace_hardirqs_on+0x67/0x220 [ 744.310341] ? ipv6_get_lladdr+0x490/0x490 [ 744.314602] run_timer_softirq+0x64f/0x16a0 [ 744.318929] ? add_timer+0xbe0/0xbe0 [ 744.322713] ? __lock_is_held+0xb6/0x140 [ 744.326811] __do_softirq+0x25c/0x921 [ 744.330621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.336169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.341743] irq_exit+0x180/0x1d0 [ 744.345203] smp_apic_timer_interrupt+0x13b/0x550 [ 744.350068] apic_timer_interrupt+0xf/0x20 [ 744.354333] [ 744.356575] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 744.361504] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 744.380414] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 744.388124] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 744.395413] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 744.402971] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 744.410282] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 744.417563] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 744.424875] skb_clone+0x156/0x3e0 [ 744.428450] bpf_clone_redirect+0xb2/0x480 [ 744.432825] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 744.437843] ? 0xffffffff81000000 [ 744.441309] ? mark_held_locks+0x100/0x100 [ 744.445561] ? trace_hardirqs_on_caller+0x6a/0x220 [ 744.450596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 744.455523] ? bpf_test_run+0x146/0x430 [ 744.459520] ? find_held_lock+0x35/0x130 [ 744.463610] ? bpf_test_run+0x146/0x430 [ 744.467594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.473155] ? check_preemption_disabled+0x48/0x290 [ 744.478169] ? lock_acquire+0x16f/0x3f0 [ 744.482154] ? kasan_check_read+0x11/0x20 [ 744.486316] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 744.491534] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 744.497075] bpf_test_run+0x10d/0x430 [ 744.500885] bpf_prog_test_run_skb+0x64b/0xb20 [ 744.505469] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 744.510312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 744.515866] ? fput+0x128/0x1a0 [ 744.519139] ? __bpf_prog_get+0x97/0x290 [ 744.523192] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 744.528028] bpf_prog_test_run+0x129/0x1a0 [ 744.532261] __x64_sys_bpf+0x397/0x4c0 [ 744.536177] ? bpf_prog_get+0x20/0x20 [ 744.539981] ? do_syscall_64+0x26/0x620 [ 744.543952] ? lockdep_hardirqs_on+0x415/0x5d0 [ 744.548539] ? trace_hardirqs_on+0x67/0x220 [ 744.553010] do_syscall_64+0xfd/0x620 [ 744.556856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 744.562156] RIP: 0033:0x45af49 [ 744.565362] Code: Bad RIP value. [ 744.568731] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 744.576461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 744.583728] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 744.590997] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 744.598275] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 744.605541] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 744.612823] warn_alloc_show_mem: 1 callbacks suppressed [ 744.612833] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 744.612835] Mem-Info: [ 744.612864] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 744.612864] active_file:13 inactive_file:11 isolated_file:0 [ 744.612864] unevictable:0 dirty:0 writeback:0 unstable:0 [ 744.612864] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 744.612864] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 744.612864] free:10923 free_pcp:135 free_cma:0 [ 744.618209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.625574] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 744.627969] Call Trace: [ 744.661138] Node 1 active_anon:1432kB 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 [ 744.670473] [ 744.698400] Node 0 DMA free:10256kB 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 [ 744.701345] dump_stack+0x197/0x210 [ 744.727262] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 744.729425] warn_alloc.cold+0x7b/0x173 [ 744.755641] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 744.761366] ? zone_watermark_ok_safe+0x260/0x260 [ 744.766351] lowmem_reserve[]: 0 0 1 1 1 [ 744.770319] ? __cpuset_node_allowed+0x136/0x540 [ 744.798926] 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 [ 744.803782] ? __isolate_free_page+0x4c0/0x4c0 [ 744.807725] lowmem_reserve[]: 0 0 0 0 0 [ 744.812476] ? wake_all_kswapds+0x14d/0x300 [ 744.838403] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 744.843102] __alloc_pages_slowpath+0x2214/0x2870 [ 744.847067] lowmem_reserve[]: 0 0 0 0 0 [ 744.851422] ? warn_alloc+0x110/0x110 [ 744.879228] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 744.884077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 744.888023] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 744.891819] ? should_fail+0x14d/0x85c [ 744.903582] 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 [ 744.909140] ? __isolate_free_page+0x4c0/0x4c0 [ 744.923853] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 744.927755] __alloc_pages_nodemask+0x617/0x750 [ 744.938397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 744.942970] ? __alloc_pages_slowpath+0x2870/0x2870 [ 744.958049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 744.962731] cache_grow_begin+0x91/0x8c0 [ 744.971532] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 744.976538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.985089] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 744.989133] ? __cpuset_node_allowed+0x136/0x540 [ 744.997952] 269 total pagecache pages [ 745.003480] fallback_alloc+0x1fd/0x2d0 [ 745.012051] 0 pages in swap cache [ 745.016796] ____cache_alloc_node+0x1be/0x1e0 [ 745.020573] Swap cache stats: add 0, delete 0, find 0/0 [ 745.024535] kmem_cache_alloc_node+0xe3/0x710 [ 745.027974] Free swap = 0kB [ 745.032592] __alloc_skb+0xd5/0x5f0 [ 745.037945] Total swap = 0kB [ 745.042450] ? skb_trim+0x190/0x190 [ 745.045447] 1965979 pages RAM [ 745.049069] ? check_preemption_disabled+0x48/0x290 [ 745.052058] 0 pages HighMem/MovableOnly [ 745.052065] 341723 pages reserved [ 745.055686] ? lock_acquire+0x16f/0x3f0 [ 745.058763] 0 pages cma reserved [ 745.058830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 745.063781] new_skb+0x28/0x1d0 [ 745.070343] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 745.073716] aoecmd_cfg+0x1b5/0x640 [ 745.077674] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 745.081057] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 745.114874] ? timer_reduce+0x11d0/0x11d0 [ 745.119026] discover_timer+0x4e/0x60 [ 745.122819] call_timer_fn+0x18d/0x720 [ 745.126705] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 745.131539] ? process_timeout+0x40/0x40 [ 745.135600] ? run_timer_softirq+0x644/0x16a0 [ 745.140091] ? trace_hardirqs_on+0x67/0x220 [ 745.144408] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 745.149069] run_timer_softirq+0x64f/0x16a0 [ 745.153391] ? add_timer+0xbe0/0xbe0 [ 745.157099] ? __lock_is_held+0xb6/0x140 [ 745.161172] __do_softirq+0x25c/0x921 [ 745.164963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.170491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.176032] irq_exit+0x180/0x1d0 [ 745.179480] smp_apic_timer_interrupt+0x13b/0x550 [ 745.184320] apic_timer_interrupt+0xf/0x20 [ 745.188547] [ 745.190777] RIP: 0010:smp_call_function_single+0x139/0x420 [ 745.196394] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 745.215296] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 745.222995] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 745.230260] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 745.237520] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 745.244790] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 745.252073] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 745.259350] ? smp_call_function_single+0x14c/0x420 [ 745.264359] ? smp_call_function_single+0x137/0x420 [ 745.269377] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 745.275174] ? generic_exec_single+0x490/0x490 [ 745.279763] ? __lock_acquire+0x6ee/0x49c0 [ 745.283989] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 745.289778] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 745.294786] ? find_next_and_bit+0x19a/0x200 [ 745.299195] smp_call_function_many+0x75f/0x8e0 [ 745.303868] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 745.309675] native_flush_tlb_others+0x81/0x420 [ 745.314360] flush_tlb_mm_range+0x21c/0x350 [ 745.318693] ? native_flush_tlb_others+0x420/0x420 [ 745.323725] ? lock_acquire+0x16f/0x3f0 [ 745.327697] ? kasan_check_write+0x14/0x20 [ 745.331983] flush_tlb_batched_pending+0x6e/0xb0 [ 745.336820] unmap_page_range+0x8b5/0x1fb0 [ 745.341068] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 745.345564] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.351096] ? kasan_check_write+0x14/0x20 [ 745.356196] __oom_reap_task_mm+0x1fb/0x3a0 [ 745.360521] ? process_shares_mm+0x130/0x130 [ 745.364947] ? oom_reaper+0x12c/0x1160 [ 745.368831] ? __lock_is_held+0xb6/0x140 [ 745.372893] oom_reaper+0x246/0x1160 [ 745.376604] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 745.381091] ? trace_hardirqs_on+0x67/0x220 [ 745.385415] ? finish_wait+0x260/0x260 [ 745.389317] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 745.394413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.399943] ? __kthread_parkme+0xfb/0x1b0 [ 745.404185] kthread+0x354/0x420 [ 745.407546] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 745.412120] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 745.417659] ret_from_fork+0x24/0x30 [ 745.421391] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 745.421448] aoe: skb alloc failure [ 745.429196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 745.429201] Call Trace: [ 745.429206] [ 745.429222] dump_stack+0x197/0x210 [ 745.429239] warn_alloc.cold+0x7b/0x173 [ 745.432791] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 745.442145] ? zone_watermark_ok_safe+0x260/0x260 [ 745.444734] oom_reaper cpuset=/ mems_allowed=0-1 [ 745.446904] ? __cpuset_node_allowed+0x136/0x540 [ 745.479273] ? __isolate_free_page+0x4c0/0x4c0 [ 745.483848] ? wake_all_kswapds+0x14d/0x300 [ 745.488173] __alloc_pages_slowpath+0x2214/0x2870 [ 745.493208] ? warn_alloc+0x110/0x110 [ 745.497024] ? __lock_acquire+0x6ee/0x49c0 [ 745.501257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 745.506808] ? should_fail+0x14d/0x85c [ 745.510710] ? __isolate_free_page+0x4c0/0x4c0 [ 745.515328] __alloc_pages_nodemask+0x617/0x750 [ 745.520027] ? __alloc_pages_slowpath+0x2870/0x2870 [ 745.525044] ? find_held_lock+0x35/0x130 [ 745.529101] cache_grow_begin+0x91/0x8c0 [ 745.533168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.539479] ? __cpuset_node_allowed+0x136/0x540 [ 745.544232] fallback_alloc+0x1fd/0x2d0 [ 745.548204] ____cache_alloc_node+0x1be/0x1e0 [ 745.552694] kmem_cache_alloc_node+0xe3/0x710 [ 745.557205] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 745.561574] __alloc_skb+0xd5/0x5f0 [ 745.565206] ? skb_trim+0x190/0x190 [ 745.568833] ? kasan_check_read+0x11/0x20 [ 745.572981] ndisc_alloc_skb+0x13c/0x340 [ 745.577047] ndisc_send_rs+0x35f/0x6e0 [ 745.580931] addrconf_rs_timer+0x30f/0x680 [ 745.585159] ? ipv6_get_lladdr+0x490/0x490 [ 745.589393] call_timer_fn+0x18d/0x720 [ 745.593291] ? ipv6_get_lladdr+0x490/0x490 [ 745.597517] ? process_timeout+0x40/0x40 [ 745.601585] ? run_timer_softirq+0x644/0x16a0 [ 745.606078] ? trace_hardirqs_on+0x67/0x220 [ 745.610401] ? ipv6_get_lladdr+0x490/0x490 [ 745.614746] run_timer_softirq+0x64f/0x16a0 [ 745.619074] ? add_timer+0xbe0/0xbe0 [ 745.622801] ? __lock_is_held+0xb6/0x140 [ 745.626888] __do_softirq+0x25c/0x921 [ 745.630689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.636260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.641855] irq_exit+0x180/0x1d0 [ 745.645323] smp_apic_timer_interrupt+0x13b/0x550 [ 745.650274] apic_timer_interrupt+0xf/0x20 [ 745.654497] [ 745.656733] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 745.661693] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 745.680605] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 745.688312] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 745.695790] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 745.703060] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 745.710343] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 745.717730] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 745.725032] skb_clone+0x156/0x3e0 [ 745.728605] bpf_clone_redirect+0xb2/0x480 [ 745.732844] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 745.737966] ? 0xffffffff81000000 [ 745.741428] ? mark_held_locks+0x100/0x100 [ 745.745719] ? trace_hardirqs_on_caller+0x6a/0x220 [ 745.750673] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 745.755448] ? bpf_test_run+0x146/0x430 [ 745.759427] ? find_held_lock+0x35/0x130 [ 745.763488] ? bpf_test_run+0x146/0x430 [ 745.767566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.773104] ? check_preemption_disabled+0x48/0x290 [ 745.778229] ? lock_acquire+0x16f/0x3f0 [ 745.782225] ? kasan_check_read+0x11/0x20 [ 745.786379] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 745.791589] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.797141] bpf_test_run+0x10d/0x430 [ 745.800968] bpf_prog_test_run_skb+0x64b/0xb20 [ 745.805562] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 745.810429] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.815972] ? fput+0x128/0x1a0 [ 745.819344] ? __bpf_prog_get+0x97/0x290 [ 745.823425] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 745.828284] bpf_prog_test_run+0x129/0x1a0 [ 745.832526] __x64_sys_bpf+0x397/0x4c0 [ 745.836415] ? bpf_prog_get+0x20/0x20 [ 745.840253] ? do_syscall_64+0x26/0x620 [ 745.844278] ? lockdep_hardirqs_on+0x415/0x5d0 [ 745.848877] ? trace_hardirqs_on+0x67/0x220 [ 745.853218] do_syscall_64+0xfd/0x620 [ 745.857050] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.862247] RIP: 0033:0x45af49 [ 745.865453] Code: Bad RIP value. [ 745.868814] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 745.876536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 745.883805] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 745.891085] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 745.898353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 745.905619] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 745.912909] warn_alloc_show_mem: 1 callbacks suppressed [ 745.912919] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 745.912921] Mem-Info: [ 745.912949] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 745.912949] active_file:13 inactive_file:11 isolated_file:0 [ 745.912949] unevictable:0 dirty:0 writeback:0 unstable:0 [ 745.912949] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 745.912949] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 745.912949] free:10923 free_pcp:135 free_cma:0 [ 745.918303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 745.925665] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 745.928055] Call Trace: [ 745.961112] Node 1 active_anon:1432kB 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 [ 745.970437] [ 745.997829] Node 0 DMA free:10256kB 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 [ 746.000413] dump_stack+0x197/0x210 [ 746.026927] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 746.029096] warn_alloc.cold+0x7b/0x173 [ 746.055184] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 746.058806] ? zone_watermark_ok_safe+0x260/0x260 [ 746.063786] lowmem_reserve[]: 0 0 1 1 1 [ 746.067758] ? __cpuset_node_allowed+0x136/0x540 [ 746.096407] 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 [ 746.101286] ? __isolate_free_page+0x4c0/0x4c0 [ 746.105364] lowmem_reserve[]: 0 0 0 0 0 [ 746.110143] ? wake_all_kswapds+0x14d/0x300 [ 746.135886] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 746.140483] __alloc_pages_slowpath+0x2214/0x2870 [ 746.144508] lowmem_reserve[]: 0 0 0 0 0 [ 746.148850] ? warn_alloc+0x110/0x110 [ 746.177190] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 746.182034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.185991] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 746.189808] ? should_fail+0x14d/0x85c [ 746.201576] 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 [ 746.207124] ? __isolate_free_page+0x4c0/0x4c0 [ 746.221834] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 746.225732] __alloc_pages_nodemask+0x617/0x750 [ 746.236364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 746.240935] ? __alloc_pages_slowpath+0x2870/0x2870 [ 746.256006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 746.260683] cache_grow_begin+0x91/0x8c0 [ 746.269497] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 746.274590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.283135] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 746.283143] 269 total pagecache pages [ 746.287199] ? __cpuset_node_allowed+0x136/0x540 [ 746.296023] 0 pages in swap cache [ 746.301553] fallback_alloc+0x1fd/0x2d0 [ 746.310198] Swap cache stats: add 0, delete 0, find 0/0 [ 746.313988] ____cache_alloc_node+0x1be/0x1e0 [ 746.318715] Free swap = 0kB [ 746.322187] kmem_cache_alloc_node+0xe3/0x710 [ 746.326142] Total swap = 0kB [ 746.326153] 1965979 pages RAM [ 746.331538] __alloc_skb+0xd5/0x5f0 [ 746.335993] 0 pages HighMem/MovableOnly [ 746.336001] 341723 pages reserved [ 746.339016] ? skb_trim+0x190/0x190 [ 746.343482] 0 pages cma reserved [ 746.346620] ? check_preemption_disabled+0x48/0x290 [ 746.349760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 746.353327] ? lock_acquire+0x16f/0x3f0 [ 746.357335] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 746.360738] new_skb+0x28/0x1d0 [ 746.364333] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 746.367687] aoecmd_cfg+0x1b5/0x640 [ 746.406493] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 746.410810] ? timer_reduce+0x11d0/0x11d0 [ 746.414955] discover_timer+0x4e/0x60 [ 746.418745] call_timer_fn+0x18d/0x720 [ 746.422622] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 746.427296] ? process_timeout+0x40/0x40 [ 746.431355] ? run_timer_softirq+0x644/0x16a0 [ 746.435854] ? trace_hardirqs_on+0x67/0x220 [ 746.440172] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 746.444831] run_timer_softirq+0x64f/0x16a0 [ 746.449166] ? add_timer+0xbe0/0xbe0 [ 746.452873] ? __lock_is_held+0xb6/0x140 [ 746.456936] __do_softirq+0x25c/0x921 [ 746.460727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.466254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.471792] irq_exit+0x180/0x1d0 [ 746.475237] smp_apic_timer_interrupt+0x13b/0x550 [ 746.480074] apic_timer_interrupt+0xf/0x20 [ 746.484299] [ 746.486533] RIP: 0010:smp_call_function_single+0x139/0x420 [ 746.493903] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 746.512814] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 746.520638] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 746.527920] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 746.535185] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 746.542447] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 746.549709] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 746.557006] ? smp_call_function_single+0x14c/0x420 [ 746.562014] ? smp_call_function_single+0x137/0x420 [ 746.567032] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 746.572820] ? generic_exec_single+0x490/0x490 [ 746.577398] ? __lock_acquire+0x6ee/0x49c0 [ 746.581621] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 746.587411] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 746.592420] ? find_next_and_bit+0x19a/0x200 [ 746.596827] smp_call_function_many+0x75f/0x8e0 [ 746.601504] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 746.607299] native_flush_tlb_others+0x81/0x420 [ 746.611963] flush_tlb_mm_range+0x21c/0x350 [ 746.616279] ? native_flush_tlb_others+0x420/0x420 [ 746.621331] ? lock_acquire+0x16f/0x3f0 [ 746.625316] ? kasan_check_write+0x14/0x20 [ 746.629581] flush_tlb_batched_pending+0x6e/0xb0 [ 746.634338] unmap_page_range+0x8b5/0x1fb0 [ 746.638591] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 746.643088] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 746.648623] ? kasan_check_write+0x14/0x20 [ 746.652858] __oom_reap_task_mm+0x1fb/0x3a0 [ 746.657177] ? process_shares_mm+0x130/0x130 [ 746.661586] ? oom_reaper+0x12c/0x1160 [ 746.665472] ? __lock_is_held+0xb6/0x140 [ 746.669545] oom_reaper+0x246/0x1160 [ 746.673384] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 746.677882] ? trace_hardirqs_on+0x67/0x220 [ 746.682211] ? finish_wait+0x260/0x260 [ 746.686096] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 746.691190] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 746.696750] ? __kthread_parkme+0xfb/0x1b0 [ 746.701000] kthread+0x354/0x420 [ 746.704487] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 746.708996] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 746.714639] ret_from_fork+0x24/0x30 [ 746.718373] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 746.718422] aoe: skb alloc failure [ 746.726175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 746.726182] Call Trace: [ 746.729775] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 746.739171] [ 746.741739] oom_reaper cpuset=/ mems_allowed=0-1 [ 746.751973] dump_stack+0x197/0x210 [ 746.762562] warn_alloc.cold+0x7b/0x173 [ 746.766540] ? zone_watermark_ok_safe+0x260/0x260 [ 746.771562] ? __cpuset_node_allowed+0x136/0x540 [ 746.776340] ? __isolate_free_page+0x4c0/0x4c0 [ 746.781012] ? wake_all_kswapds+0x14d/0x300 [ 746.785351] __alloc_pages_slowpath+0x2214/0x2870 [ 746.790203] ? warn_alloc+0x110/0x110 [ 746.793998] ? __lock_acquire+0x6ee/0x49c0 [ 746.798225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 746.803844] ? should_fail+0x14d/0x85c [ 746.807727] ? __isolate_free_page+0x4c0/0x4c0 [ 746.812311] __alloc_pages_nodemask+0x617/0x750 [ 746.816978] ? __alloc_pages_slowpath+0x2870/0x2870 [ 746.821993] ? find_held_lock+0x35/0x130 [ 746.826051] cache_grow_begin+0x91/0x8c0 [ 746.830110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.835653] ? __cpuset_node_allowed+0x136/0x540 [ 746.840412] fallback_alloc+0x1fd/0x2d0 [ 746.844396] ____cache_alloc_node+0x1be/0x1e0 [ 746.848885] kmem_cache_alloc_node+0xe3/0x710 [ 746.853376] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 746.857624] __alloc_skb+0xd5/0x5f0 [ 746.861246] ? skb_trim+0x190/0x190 [ 746.864864] ? kasan_check_read+0x11/0x20 [ 746.869528] ndisc_alloc_skb+0x13c/0x340 [ 746.873585] ndisc_send_rs+0x35f/0x6e0 [ 746.877472] addrconf_rs_timer+0x30f/0x680 [ 746.881763] ? ipv6_get_lladdr+0x490/0x490 [ 746.885998] call_timer_fn+0x18d/0x720 [ 746.889876] ? ipv6_get_lladdr+0x490/0x490 [ 746.894112] ? process_timeout+0x40/0x40 [ 746.898165] ? run_timer_softirq+0x644/0x16a0 [ 746.902667] ? trace_hardirqs_on+0x67/0x220 [ 746.906993] ? ipv6_get_lladdr+0x490/0x490 [ 746.911217] run_timer_softirq+0x64f/0x16a0 [ 746.915535] ? add_timer+0xbe0/0xbe0 [ 746.919243] ? __lock_is_held+0xb6/0x140 [ 746.923305] __do_softirq+0x25c/0x921 [ 746.927099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.933585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.939130] irq_exit+0x180/0x1d0 [ 746.942579] smp_apic_timer_interrupt+0x13b/0x550 [ 746.947418] apic_timer_interrupt+0xf/0x20 [ 746.951635] [ 746.953867] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 746.958793] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 746.977684] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 746.985381] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 746.999668] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 747.006945] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 747.014203] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 747.021459] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 747.028744] skb_clone+0x156/0x3e0 [ 747.032282] bpf_clone_redirect+0xb2/0x480 [ 747.036510] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 747.041516] ? 0xffffffff81000000 [ 747.044964] ? mark_held_locks+0x100/0x100 [ 747.049191] ? trace_hardirqs_on_caller+0x6a/0x220 [ 747.054119] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 747.058955] ? bpf_test_run+0x146/0x430 [ 747.062936] ? find_held_lock+0x35/0x130 [ 747.066994] ? bpf_test_run+0x146/0x430 [ 747.070967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.076507] ? check_preemption_disabled+0x48/0x290 [ 747.081536] ? lock_acquire+0x16f/0x3f0 [ 747.085529] ? kasan_check_read+0x11/0x20 [ 747.089681] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 747.094891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 747.100446] bpf_test_run+0x10d/0x430 [ 747.104256] bpf_prog_test_run_skb+0x64b/0xb20 [ 747.109105] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 747.113947] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 747.119484] ? fput+0x128/0x1a0 [ 747.122758] ? __bpf_prog_get+0x97/0x290 [ 747.126811] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 747.131648] bpf_prog_test_run+0x129/0x1a0 [ 747.136050] __x64_sys_bpf+0x397/0x4c0 [ 747.139930] ? bpf_prog_get+0x20/0x20 [ 747.143727] ? do_syscall_64+0x26/0x620 [ 747.147695] ? lockdep_hardirqs_on+0x415/0x5d0 [ 747.152268] ? trace_hardirqs_on+0x67/0x220 [ 747.156587] do_syscall_64+0xfd/0x620 [ 747.160396] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.165574] RIP: 0033:0x45af49 [ 747.168889] Code: Bad RIP value. [ 747.172258] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 747.179968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 747.187234] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 747.194495] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 747.201759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 747.209026] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 747.216316] warn_alloc_show_mem: 1 callbacks suppressed [ 747.216326] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 747.216328] Mem-Info: [ 747.216356] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 747.216356] active_file:13 inactive_file:11 isolated_file:0 [ 747.216356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 747.216356] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 747.216356] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 747.216356] free:10923 free_pcp:135 free_cma:0 [ 747.221696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.229399] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 747.232756] Call Trace: [ 747.265834] Node 1 active_anon:1432kB 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 [ 747.275243] [ 747.303450] Node 0 DMA free:10256kB 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 [ 747.306038] dump_stack+0x197/0x210 [ 747.331943] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 747.334093] warn_alloc.cold+0x7b/0x173 [ 747.361155] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 747.364797] ? zone_watermark_ok_safe+0x260/0x260 [ 747.369786] lowmem_reserve[]: 0 0 1 1 1 [ 747.373758] ? __cpuset_node_allowed+0x136/0x540 [ 747.402371] 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 [ 747.407224] ? __isolate_free_page+0x4c0/0x4c0 [ 747.411156] lowmem_reserve[]: 0 0 0 0 0 [ 747.415907] ? wake_all_kswapds+0x14d/0x300 [ 747.441657] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 747.446261] __alloc_pages_slowpath+0x2214/0x2870 [ 747.450198] lowmem_reserve[]: 0 0 0 0 0 [ 747.454544] ? warn_alloc+0x110/0x110 [ 747.482350] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 747.487196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 747.491141] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 747.494945] ? should_fail+0x14d/0x85c [ 747.506695] 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 [ 747.512255] ? __isolate_free_page+0x4c0/0x4c0 [ 747.526983] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 747.531053] __alloc_pages_nodemask+0x617/0x750 [ 747.541681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 747.546431] ? __alloc_pages_slowpath+0x2870/0x2870 [ 747.561495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 747.566164] cache_grow_begin+0x91/0x8c0 [ 747.574979] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 747.579992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.588663] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 747.593429] ? __cpuset_node_allowed+0x136/0x540 [ 747.602464] 269 total pagecache pages [ 747.608010] fallback_alloc+0x1fd/0x2d0 [ 747.616554] 0 pages in swap cache [ 747.621314] ____cache_alloc_node+0x1be/0x1e0 [ 747.625086] Swap cache stats: add 0, delete 0, find 0/0 [ 747.629071] kmem_cache_alloc_node+0xe3/0x710 [ 747.632500] Free swap = 0kB [ 747.636992] __alloc_skb+0xd5/0x5f0 [ 747.642324] Total swap = 0kB [ 747.646811] ? skb_trim+0x190/0x190 [ 747.649803] 1965979 pages RAM [ 747.653430] ? check_preemption_disabled+0x48/0x290 [ 747.656422] 0 pages HighMem/MovableOnly [ 747.660053] ? lock_acquire+0x16f/0x3f0 [ 747.663126] 341723 pages reserved [ 747.663133] 0 pages cma reserved [ 747.668152] new_skb+0x28/0x1d0 [ 747.672168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 747.676078] aoecmd_cfg+0x1b5/0x640 [ 747.679585] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 747.682884] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 747.686140] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 747.692654] ? timer_reduce+0x11d0/0x11d0 [ 747.721149] discover_timer+0x4e/0x60 [ 747.724949] call_timer_fn+0x18d/0x720 [ 747.728837] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 747.733510] ? process_timeout+0x40/0x40 [ 747.737571] ? run_timer_softirq+0x644/0x16a0 [ 747.742069] ? trace_hardirqs_on+0x67/0x220 [ 747.746393] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 747.751054] run_timer_softirq+0x64f/0x16a0 [ 747.755382] ? add_timer+0xbe0/0xbe0 [ 747.759089] ? __lock_is_held+0xb6/0x140 [ 747.763150] __do_softirq+0x25c/0x921 [ 747.766941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.772468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.778022] irq_exit+0x180/0x1d0 [ 747.781494] smp_apic_timer_interrupt+0x13b/0x550 [ 747.786360] apic_timer_interrupt+0xf/0x20 [ 747.790599] [ 747.792843] RIP: 0010:smp_call_function_single+0x139/0x420 [ 747.798478] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 747.817375] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 747.825076] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 747.832337] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 747.839599] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 747.846872] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 747.854235] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 747.861522] ? smp_call_function_single+0x14c/0x420 [ 747.866548] ? smp_call_function_single+0x137/0x420 [ 747.871563] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 747.877354] ? generic_exec_single+0x490/0x490 [ 747.881927] ? __lock_acquire+0x6ee/0x49c0 [ 747.894057] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 747.899853] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 747.904863] ? find_next_and_bit+0x19a/0x200 [ 747.909619] smp_call_function_many+0x75f/0x8e0 [ 747.914325] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 747.920136] native_flush_tlb_others+0x81/0x420 [ 747.924799] flush_tlb_mm_range+0x21c/0x350 [ 747.929119] ? native_flush_tlb_others+0x420/0x420 [ 747.934042] ? lock_acquire+0x16f/0x3f0 [ 747.938015] ? kasan_check_write+0x14/0x20 [ 747.942249] flush_tlb_batched_pending+0x6e/0xb0 [ 747.947003] unmap_page_range+0x8b5/0x1fb0 [ 747.951420] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 747.955919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 747.961453] ? kasan_check_write+0x14/0x20 [ 747.965689] __oom_reap_task_mm+0x1fb/0x3a0 [ 747.970007] ? process_shares_mm+0x130/0x130 [ 747.974844] ? oom_reaper+0x12c/0x1160 [ 747.979251] ? __lock_is_held+0xb6/0x140 [ 747.983339] oom_reaper+0x246/0x1160 [ 747.987064] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 747.991553] ? trace_hardirqs_on+0x67/0x220 [ 747.995967] ? finish_wait+0x260/0x260 [ 747.999852] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 748.004946] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 748.010476] ? __kthread_parkme+0xfb/0x1b0 [ 748.014707] kthread+0x354/0x420 [ 748.018065] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 748.022573] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 748.028110] ret_from_fork+0x24/0x30 [ 748.031835] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 748.031892] aoe: skb alloc failure [ 748.039637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 748.039642] Call Trace: [ 748.039648] [ 748.039665] dump_stack+0x197/0x210 [ 748.039681] warn_alloc.cold+0x7b/0x173 [ 748.043226] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 748.052576] ? zone_watermark_ok_safe+0x260/0x260 [ 748.055149] oom_reaper cpuset=/ mems_allowed=0-1 [ 748.057292] ? __cpuset_node_allowed+0x136/0x540 [ 748.089413] ? __isolate_free_page+0x4c0/0x4c0 [ 748.093990] ? wake_all_kswapds+0x14d/0x300 [ 748.098401] __alloc_pages_slowpath+0x2214/0x2870 [ 748.103265] ? warn_alloc+0x110/0x110 [ 748.107061] ? __lock_acquire+0x6ee/0x49c0 [ 748.111291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.116822] ? should_fail+0x14d/0x85c [ 748.120705] ? __isolate_free_page+0x4c0/0x4c0 [ 748.125287] __alloc_pages_nodemask+0x617/0x750 [ 748.129963] ? __alloc_pages_slowpath+0x2870/0x2870 [ 748.134979] ? find_held_lock+0x35/0x130 [ 748.139038] cache_grow_begin+0x91/0x8c0 [ 748.143093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.148633] ? __cpuset_node_allowed+0x136/0x540 [ 748.153471] fallback_alloc+0x1fd/0x2d0 [ 748.157477] ____cache_alloc_node+0x1be/0x1e0 [ 748.162032] kmem_cache_alloc_node+0xe3/0x710 [ 748.166555] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 748.170825] __alloc_skb+0xd5/0x5f0 [ 748.174502] ? skb_trim+0x190/0x190 [ 748.178147] ? kasan_check_read+0x11/0x20 [ 748.182310] ndisc_alloc_skb+0x13c/0x340 [ 748.186371] ndisc_send_rs+0x35f/0x6e0 [ 748.190265] addrconf_rs_timer+0x30f/0x680 [ 748.194527] ? ipv6_get_lladdr+0x490/0x490 [ 748.198822] call_timer_fn+0x18d/0x720 [ 748.202702] ? ipv6_get_lladdr+0x490/0x490 [ 748.206930] ? process_timeout+0x40/0x40 [ 748.210981] ? run_timer_softirq+0x644/0x16a0 [ 748.215477] ? trace_hardirqs_on+0x67/0x220 [ 748.219804] ? ipv6_get_lladdr+0x490/0x490 [ 748.224034] run_timer_softirq+0x64f/0x16a0 [ 748.228371] ? add_timer+0xbe0/0xbe0 [ 748.232442] ? __lock_is_held+0xb6/0x140 [ 748.236623] __do_softirq+0x25c/0x921 [ 748.240437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.245988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.251553] irq_exit+0x180/0x1d0 [ 748.255012] smp_apic_timer_interrupt+0x13b/0x550 [ 748.259866] apic_timer_interrupt+0xf/0x20 [ 748.264088] [ 748.266319] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 748.271260] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 748.290348] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 748.298054] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 748.305314] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 748.312579] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 748.319852] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 748.327112] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 748.334402] skb_clone+0x156/0x3e0 [ 748.337943] bpf_clone_redirect+0xb2/0x480 [ 748.342202] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 748.347222] ? 0xffffffff81000000 [ 748.350703] ? mark_held_locks+0x100/0x100 [ 748.354948] ? trace_hardirqs_on_caller+0x6a/0x220 [ 748.359884] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 748.364654] ? bpf_test_run+0x146/0x430 [ 748.368625] ? find_held_lock+0x35/0x130 [ 748.372679] ? bpf_test_run+0x146/0x430 [ 748.376649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.382201] ? check_preemption_disabled+0x48/0x290 [ 748.387208] ? lock_acquire+0x16f/0x3f0 [ 748.391182] ? kasan_check_read+0x11/0x20 [ 748.395335] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 748.400605] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 748.406145] bpf_test_run+0x10d/0x430 [ 748.409947] bpf_prog_test_run_skb+0x64b/0xb20 [ 748.414529] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 748.419379] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 748.425785] ? fput+0x128/0x1a0 [ 748.429061] ? __bpf_prog_get+0x97/0x290 [ 748.433116] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 748.437963] bpf_prog_test_run+0x129/0x1a0 [ 748.442193] __x64_sys_bpf+0x397/0x4c0 [ 748.446075] ? bpf_prog_get+0x20/0x20 [ 748.449875] ? do_syscall_64+0x26/0x620 [ 748.453844] ? lockdep_hardirqs_on+0x415/0x5d0 [ 748.458507] ? trace_hardirqs_on+0x67/0x220 [ 748.462822] do_syscall_64+0xfd/0x620 [ 748.466620] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 748.471799] RIP: 0033:0x45af49 [ 748.475012] Code: Bad RIP value. [ 748.478368] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 748.486105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 748.494147] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 748.501407] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 748.508776] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 748.516067] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 748.523366] warn_alloc_show_mem: 1 callbacks suppressed [ 748.523376] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 748.523377] Mem-Info: [ 748.523407] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 748.523407] active_file:13 inactive_file:11 isolated_file:0 [ 748.523407] unevictable:0 dirty:0 writeback:0 unstable:0 [ 748.523407] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 748.523407] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 748.523407] free:10923 free_pcp:135 free_cma:0 [ 748.528758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 748.536119] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 748.538510] Call Trace: [ 748.572871] Node 1 active_anon:1432kB 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 [ 748.582222] [ 748.609616] Node 0 DMA free:10256kB 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 [ 748.612204] dump_stack+0x197/0x210 [ 748.638106] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 748.640262] warn_alloc.cold+0x7b/0x173 [ 748.666364] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 748.670013] ? zone_watermark_ok_safe+0x260/0x260 [ 748.674989] lowmem_reserve[]: 0 0 1 1 1 [ 748.678963] ? __cpuset_node_allowed+0x136/0x540 [ 748.707577] 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 [ 748.712423] ? __isolate_free_page+0x4c0/0x4c0 [ 748.716358] lowmem_reserve[]: 0 0 0 0 0 [ 748.721128] ? wake_all_kswapds+0x14d/0x300 [ 748.746878] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 748.751485] __alloc_pages_slowpath+0x2214/0x2870 [ 748.755438] lowmem_reserve[]: 0 0 0 0 0 [ 748.759794] ? warn_alloc+0x110/0x110 [ 748.788449] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 748.793312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 748.797257] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 748.801057] ? should_fail+0x14d/0x85c [ 748.812823] 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 [ 748.818380] ? __isolate_free_page+0x4c0/0x4c0 [ 748.833104] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 748.836997] __alloc_pages_nodemask+0x617/0x750 [ 748.848415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 748.853020] ? __alloc_pages_slowpath+0x2870/0x2870 [ 748.868096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 748.872909] cache_grow_begin+0x91/0x8c0 [ 748.881812] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 748.886822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.895380] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 748.895389] 269 total pagecache pages [ 748.899445] ? __cpuset_node_allowed+0x136/0x540 [ 748.908270] 0 pages in swap cache [ 748.913798] fallback_alloc+0x1fd/0x2d0 [ 748.922520] Swap cache stats: add 0, delete 0, find 0/0 [ 748.922528] Free swap = 0kB [ 748.926325] ____cache_alloc_node+0x1be/0x1e0 [ 748.931051] Total swap = 0kB [ 748.934497] kmem_cache_alloc_node+0xe3/0x710 [ 748.938447] 1965979 pages RAM [ 748.943820] __alloc_skb+0xd5/0x5f0 [ 748.946806] 0 pages HighMem/MovableOnly [ 748.951293] ? skb_trim+0x190/0x190 [ 748.954279] 341723 pages reserved [ 748.954287] 0 pages cma reserved [ 748.958772] ? check_preemption_disabled+0x48/0x290 [ 748.961915] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 748.965472] ? lock_acquire+0x16f/0x3f0 [ 748.965493] new_skb+0x28/0x1d0 [ 748.969523] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 748.973072] aoecmd_cfg+0x1b5/0x640 [ 748.976514] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 748.979874] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 749.022465] ? timer_reduce+0x11d0/0x11d0 [ 749.026793] discover_timer+0x4e/0x60 [ 749.030613] call_timer_fn+0x18d/0x720 [ 749.034494] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 749.039154] ? process_timeout+0x40/0x40 [ 749.043219] ? run_timer_softirq+0x644/0x16a0 [ 749.047716] ? trace_hardirqs_on+0x67/0x220 [ 749.052031] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 749.056693] run_timer_softirq+0x64f/0x16a0 [ 749.061028] ? add_timer+0xbe0/0xbe0 [ 749.064757] ? __lock_is_held+0xb6/0x140 [ 749.068834] __do_softirq+0x25c/0x921 [ 749.072629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.078154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.083693] irq_exit+0x180/0x1d0 [ 749.087316] smp_apic_timer_interrupt+0x13b/0x550 [ 749.092154] apic_timer_interrupt+0xf/0x20 [ 749.096396] [ 749.098631] RIP: 0010:smp_call_function_single+0x139/0x420 [ 749.104476] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 749.123368] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 749.131067] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 749.138330] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 749.145590] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 749.152855] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 749.160114] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 749.167389] ? smp_call_function_single+0x14c/0x420 [ 749.172411] ? smp_call_function_single+0x137/0x420 [ 749.177436] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 749.183229] ? generic_exec_single+0x490/0x490 [ 749.188853] ? __lock_acquire+0x6ee/0x49c0 [ 749.193095] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 749.198886] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 749.203894] ? find_next_and_bit+0x19a/0x200 [ 749.208304] smp_call_function_many+0x75f/0x8e0 [ 749.212969] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 749.218766] native_flush_tlb_others+0x81/0x420 [ 749.223434] flush_tlb_mm_range+0x21c/0x350 [ 749.227773] ? native_flush_tlb_others+0x420/0x420 [ 749.232726] ? lock_acquire+0x16f/0x3f0 [ 749.236720] ? kasan_check_write+0x14/0x20 [ 749.240960] flush_tlb_batched_pending+0x6e/0xb0 [ 749.245727] unmap_page_range+0x8b5/0x1fb0 [ 749.249977] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 749.254468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 749.260003] ? kasan_check_write+0x14/0x20 [ 749.264246] __oom_reap_task_mm+0x1fb/0x3a0 [ 749.268567] ? process_shares_mm+0x130/0x130 [ 749.272971] ? oom_reaper+0x12c/0x1160 [ 749.276859] ? __lock_is_held+0xb6/0x140 [ 749.280922] oom_reaper+0x246/0x1160 [ 749.284728] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 749.289217] ? trace_hardirqs_on+0x67/0x220 [ 749.293537] ? finish_wait+0x260/0x260 [ 749.297427] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 749.302524] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 749.308057] ? __kthread_parkme+0xfb/0x1b0 [ 749.312299] kthread+0x354/0x420 [ 749.315749] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 749.320270] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 749.325832] ret_from_fork+0x24/0x30 [ 749.329562] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 749.329621] aoe: skb alloc failure [ 749.337374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 749.337383] Call Trace: [ 749.340997] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 749.350314] [ 749.352976] oom_reaper cpuset=/ mems_allowed=0-1 [ 749.363203] dump_stack+0x197/0x210 [ 749.373683] warn_alloc.cold+0x7b/0x173 [ 749.377679] ? zone_watermark_ok_safe+0x260/0x260 [ 749.382513] ? __cpuset_node_allowed+0x136/0x540 [ 749.387269] ? __isolate_free_page+0x4c0/0x4c0 [ 749.391846] ? wake_all_kswapds+0x14d/0x300 [ 749.396167] __alloc_pages_slowpath+0x2214/0x2870 [ 749.401020] ? warn_alloc+0x110/0x110 [ 749.404818] ? __lock_acquire+0x6ee/0x49c0 [ 749.409057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 749.414604] ? should_fail+0x14d/0x85c [ 749.418487] ? __isolate_free_page+0x4c0/0x4c0 [ 749.423071] __alloc_pages_nodemask+0x617/0x750 [ 749.427739] ? __alloc_pages_slowpath+0x2870/0x2870 [ 749.432755] ? find_held_lock+0x35/0x130 [ 749.436815] cache_grow_begin+0x91/0x8c0 [ 749.440869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.446397] ? __cpuset_node_allowed+0x136/0x540 [ 749.451159] fallback_alloc+0x1fd/0x2d0 [ 749.455130] ____cache_alloc_node+0x1be/0x1e0 [ 749.459683] kmem_cache_alloc_node+0xe3/0x710 [ 749.464186] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 749.468421] __alloc_skb+0xd5/0x5f0 [ 749.472042] ? skb_trim+0x190/0x190 [ 749.475661] ? kasan_check_read+0x11/0x20 [ 749.479808] ndisc_alloc_skb+0x13c/0x340 [ 749.483866] ndisc_send_rs+0x35f/0x6e0 [ 749.487751] addrconf_rs_timer+0x30f/0x680 [ 749.491991] ? ipv6_get_lladdr+0x490/0x490 [ 749.496226] call_timer_fn+0x18d/0x720 [ 749.500302] ? ipv6_get_lladdr+0x490/0x490 [ 749.504559] ? process_timeout+0x40/0x40 [ 749.508635] ? run_timer_softirq+0x644/0x16a0 [ 749.513162] ? trace_hardirqs_on+0x67/0x220 [ 749.517503] ? ipv6_get_lladdr+0x490/0x490 [ 749.521739] run_timer_softirq+0x64f/0x16a0 [ 749.526064] ? add_timer+0xbe0/0xbe0 [ 749.529775] ? __lock_is_held+0xb6/0x140 [ 749.533845] __do_softirq+0x25c/0x921 [ 749.537638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.543167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.548718] irq_exit+0x180/0x1d0 [ 749.552183] smp_apic_timer_interrupt+0x13b/0x550 [ 749.557023] apic_timer_interrupt+0xf/0x20 [ 749.561246] [ 749.563478] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 749.568402] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 749.587503] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 749.595220] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 749.602591] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 749.609880] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 749.617155] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 749.624427] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 749.631728] skb_clone+0x156/0x3e0 [ 749.638308] bpf_clone_redirect+0xb2/0x480 [ 749.642556] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 749.647573] ? 0xffffffff81000000 [ 749.653123] ? mark_held_locks+0x100/0x100 [ 749.657353] ? trace_hardirqs_on_caller+0x6a/0x220 [ 749.662282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 749.667033] ? bpf_test_run+0x146/0x430 [ 749.671003] ? find_held_lock+0x35/0x130 [ 749.675071] ? bpf_test_run+0x146/0x430 [ 749.679048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.684579] ? check_preemption_disabled+0x48/0x290 [ 749.689761] ? lock_acquire+0x16f/0x3f0 [ 749.693742] ? kasan_check_read+0x11/0x20 [ 749.697889] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 749.703078] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 749.708628] bpf_test_run+0x10d/0x430 [ 749.712436] bpf_prog_test_run_skb+0x64b/0xb20 [ 749.717022] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 749.721866] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 749.727544] ? fput+0x128/0x1a0 [ 749.730830] ? __bpf_prog_get+0x97/0x290 [ 749.734914] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 749.739757] bpf_prog_test_run+0x129/0x1a0 [ 749.743995] __x64_sys_bpf+0x397/0x4c0 [ 749.747888] ? bpf_prog_get+0x20/0x20 [ 749.751697] ? do_syscall_64+0x26/0x620 [ 749.755671] ? lockdep_hardirqs_on+0x415/0x5d0 [ 749.760273] ? trace_hardirqs_on+0x67/0x220 [ 749.764617] do_syscall_64+0xfd/0x620 [ 749.768422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 749.773604] RIP: 0033:0x45af49 [ 749.776801] Code: Bad RIP value. [ 749.780159] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 749.787859] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 749.795249] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 749.802530] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 749.809800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 749.817172] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 749.824460] warn_alloc_show_mem: 1 callbacks suppressed [ 749.824470] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 749.824472] Mem-Info: [ 749.824501] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 749.824501] active_file:13 inactive_file:11 isolated_file:0 [ 749.824501] unevictable:0 dirty:0 writeback:0 unstable:0 [ 749.824501] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 749.824501] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 749.824501] free:10923 free_pcp:135 free_cma:0 [ 749.829844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 749.837234] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 749.839655] Call Trace: [ 749.872729] Node 1 active_anon:1432kB 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 [ 749.882083] [ 749.911026] Node 0 DMA free:10256kB 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 [ 749.913622] dump_stack+0x197/0x210 [ 749.939679] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 749.941845] warn_alloc.cold+0x7b/0x173 [ 749.967934] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 749.971571] ? zone_watermark_ok_safe+0x260/0x260 [ 749.976559] lowmem_reserve[]: 0 0 1 1 1 [ 749.980532] ? __cpuset_node_allowed+0x136/0x540 [ 750.009261] 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 [ 750.014132] ? __isolate_free_page+0x4c0/0x4c0 [ 750.018322] lowmem_reserve[]: 0 0 0 0 0 [ 750.023083] ? wake_all_kswapds+0x14d/0x300 [ 750.048911] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 750.053496] __alloc_pages_slowpath+0x2214/0x2870 [ 750.057433] lowmem_reserve[]: 0 0 0 0 0 [ 750.061774] ? warn_alloc+0x110/0x110 [ 750.089578] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 750.094432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 750.098391] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 750.102187] ? should_fail+0x14d/0x85c [ 750.113937] 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 [ 750.119479] ? __isolate_free_page+0x4c0/0x4c0 [ 750.134297] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 750.138197] __alloc_pages_nodemask+0x617/0x750 [ 750.148852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 750.153444] ? __alloc_pages_slowpath+0x2870/0x2870 [ 750.168772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 750.173444] cache_grow_begin+0x91/0x8c0 [ 750.182246] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 750.187257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.195802] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 750.195810] 269 total pagecache pages [ 750.199864] ? __cpuset_node_allowed+0x136/0x540 [ 750.208771] 0 pages in swap cache [ 750.214293] fallback_alloc+0x1fd/0x2d0 [ 750.222852] Swap cache stats: add 0, delete 0, find 0/0 [ 750.222860] Free swap = 0kB [ 750.226662] ____cache_alloc_node+0x1be/0x1e0 [ 750.231391] Total swap = 0kB [ 750.234839] kmem_cache_alloc_node+0xe3/0x710 [ 750.239313] 1965979 pages RAM [ 750.244681] __alloc_skb+0xd5/0x5f0 [ 750.247664] 0 pages HighMem/MovableOnly [ 750.247672] 341723 pages reserved [ 750.252157] ? skb_trim+0x190/0x190 [ 750.255146] 0 pages cma reserved [ 750.259640] ? check_preemption_disabled+0x48/0x290 [ 750.262782] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 750.266347] ? lock_acquire+0x16f/0x3f0 [ 750.270380] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 750.273749] new_skb+0x28/0x1d0 [ 750.277347] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 750.280708] aoecmd_cfg+0x1b5/0x640 [ 750.318937] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 750.323348] ? timer_reduce+0x11d0/0x11d0 [ 750.327499] discover_timer+0x4e/0x60 [ 750.331291] call_timer_fn+0x18d/0x720 [ 750.335294] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 750.339964] ? process_timeout+0x40/0x40 [ 750.344027] ? run_timer_softirq+0x644/0x16a0 [ 750.348525] ? trace_hardirqs_on+0x67/0x220 [ 750.352847] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 750.357513] run_timer_softirq+0x64f/0x16a0 [ 750.361831] ? add_timer+0xbe0/0xbe0 [ 750.365537] ? __lock_is_held+0xb6/0x140 [ 750.369599] __do_softirq+0x25c/0x921 [ 750.373390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.378926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.384463] irq_exit+0x180/0x1d0 [ 750.387908] smp_apic_timer_interrupt+0x13b/0x550 [ 750.392763] apic_timer_interrupt+0xf/0x20 [ 750.397002] [ 750.399249] RIP: 0010:smp_call_function_single+0x139/0x420 [ 750.404866] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 750.423775] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 750.431481] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 750.438741] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 750.446001] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 750.453259] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 750.460515] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 750.467794] ? smp_call_function_single+0x14c/0x420 [ 750.472800] ? smp_call_function_single+0x137/0x420 [ 750.477819] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 750.483609] ? generic_exec_single+0x490/0x490 [ 750.488190] ? __lock_acquire+0x6ee/0x49c0 [ 750.492414] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 750.498201] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 750.503238] ? find_next_and_bit+0x19a/0x200 [ 750.507652] smp_call_function_many+0x75f/0x8e0 [ 750.512340] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 750.518146] native_flush_tlb_others+0x81/0x420 [ 750.522814] flush_tlb_mm_range+0x21c/0x350 [ 750.527133] ? native_flush_tlb_others+0x420/0x420 [ 750.532057] ? lock_acquire+0x16f/0x3f0 [ 750.536032] ? kasan_check_write+0x14/0x20 [ 750.540261] flush_tlb_batched_pending+0x6e/0xb0 [ 750.545008] unmap_page_range+0x8b5/0x1fb0 [ 750.549250] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 750.553746] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 750.559278] ? kasan_check_write+0x14/0x20 [ 750.563511] __oom_reap_task_mm+0x1fb/0x3a0 [ 750.567839] ? process_shares_mm+0x130/0x130 [ 750.573460] ? oom_reaper+0x12c/0x1160 [ 750.577348] ? __lock_is_held+0xb6/0x140 [ 750.581413] oom_reaper+0x246/0x1160 [ 750.585127] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 750.590396] ? trace_hardirqs_on+0x67/0x220 [ 750.594712] ? finish_wait+0x260/0x260 [ 750.598594] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 750.603702] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 750.609228] ? __kthread_parkme+0xfb/0x1b0 [ 750.613458] kthread+0x354/0x420 [ 750.616827] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 750.621317] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 750.626849] ret_from_fork+0x24/0x30 [ 750.630571] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 750.630627] aoe: skb alloc failure [ 750.638377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 750.638382] Call Trace: [ 750.638388] [ 750.638404] dump_stack+0x197/0x210 [ 750.638422] warn_alloc.cold+0x7b/0x173 [ 750.641962] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 750.651378] ? zone_watermark_ok_safe+0x260/0x260 [ 750.653944] oom_reaper cpuset=/ mems_allowed=0-1 [ 750.656097] ? __cpuset_node_allowed+0x136/0x540 [ 750.688165] ? __isolate_free_page+0x4c0/0x4c0 [ 750.692740] ? wake_all_kswapds+0x14d/0x300 [ 750.697076] __alloc_pages_slowpath+0x2214/0x2870 [ 750.701928] ? warn_alloc+0x110/0x110 [ 750.705738] ? __lock_acquire+0x6ee/0x49c0 [ 750.709963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 750.715492] ? should_fail+0x14d/0x85c [ 750.719387] ? __isolate_free_page+0x4c0/0x4c0 [ 750.723969] __alloc_pages_nodemask+0x617/0x750 [ 750.728635] ? __alloc_pages_slowpath+0x2870/0x2870 [ 750.733650] ? find_held_lock+0x35/0x130 [ 750.737718] cache_grow_begin+0x91/0x8c0 [ 750.741862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.747389] ? __cpuset_node_allowed+0x136/0x540 [ 750.752138] fallback_alloc+0x1fd/0x2d0 [ 750.756107] ____cache_alloc_node+0x1be/0x1e0 [ 750.760619] kmem_cache_alloc_node+0xe3/0x710 [ 750.765107] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 750.769342] __alloc_skb+0xd5/0x5f0 [ 750.772962] ? skb_trim+0x190/0x190 [ 750.776581] ? kasan_check_read+0x11/0x20 [ 750.780727] ndisc_alloc_skb+0x13c/0x340 [ 750.784782] ndisc_send_rs+0x35f/0x6e0 [ 750.788666] addrconf_rs_timer+0x30f/0x680 [ 750.792921] ? ipv6_get_lladdr+0x490/0x490 [ 750.797174] call_timer_fn+0x18d/0x720 [ 750.801093] ? ipv6_get_lladdr+0x490/0x490 [ 750.805328] ? process_timeout+0x40/0x40 [ 750.809383] ? run_timer_softirq+0x644/0x16a0 [ 750.813881] ? trace_hardirqs_on+0x67/0x220 [ 750.818210] ? ipv6_get_lladdr+0x490/0x490 [ 750.822523] run_timer_softirq+0x64f/0x16a0 [ 750.826847] ? add_timer+0xbe0/0xbe0 [ 750.830564] ? __lock_is_held+0xb6/0x140 [ 750.834633] __do_softirq+0x25c/0x921 [ 750.838437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.843965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.849502] irq_exit+0x180/0x1d0 [ 750.852949] smp_apic_timer_interrupt+0x13b/0x550 [ 750.857788] apic_timer_interrupt+0xf/0x20 [ 750.862011] [ 750.864249] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 750.869519] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 750.888495] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 750.896195] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 750.903571] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 750.910852] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 750.918573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 750.925843] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 750.933146] skb_clone+0x156/0x3e0 [ 750.936685] bpf_clone_redirect+0xb2/0x480 [ 750.940916] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 750.945929] ? 0xffffffff81000000 [ 750.949380] ? mark_held_locks+0x100/0x100 [ 750.953605] ? trace_hardirqs_on_caller+0x6a/0x220 [ 750.958533] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 750.963282] ? bpf_test_run+0x146/0x430 [ 750.967251] ? find_held_lock+0x35/0x130 [ 750.971301] ? bpf_test_run+0x146/0x430 [ 750.975275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.980804] ? check_preemption_disabled+0x48/0x290 [ 750.985810] ? lock_acquire+0x16f/0x3f0 [ 750.989781] ? kasan_check_read+0x11/0x20 [ 750.993919] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 750.999100] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.004653] bpf_test_run+0x10d/0x430 [ 751.008481] bpf_prog_test_run_skb+0x64b/0xb20 [ 751.013093] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 751.017936] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.023476] ? fput+0x128/0x1a0 [ 751.026766] ? __bpf_prog_get+0x97/0x290 [ 751.030822] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 751.035747] bpf_prog_test_run+0x129/0x1a0 [ 751.039977] __x64_sys_bpf+0x397/0x4c0 [ 751.043855] ? bpf_prog_get+0x20/0x20 [ 751.047667] ? do_syscall_64+0x26/0x620 [ 751.051633] ? lockdep_hardirqs_on+0x415/0x5d0 [ 751.056243] ? trace_hardirqs_on+0x67/0x220 [ 751.060559] do_syscall_64+0xfd/0x620 [ 751.064356] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.069544] RIP: 0033:0x45af49 [ 751.072737] Code: Bad RIP value. [ 751.076092] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 751.084224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 751.091481] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 751.098747] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 751.106005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 751.113265] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 751.120640] warn_alloc_show_mem: 1 callbacks suppressed [ 751.120650] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 751.120652] Mem-Info: [ 751.120681] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 751.120681] active_file:13 inactive_file:11 isolated_file:0 [ 751.120681] unevictable:0 dirty:0 writeback:0 unstable:0 [ 751.120681] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 751.120681] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 751.120681] free:10923 free_pcp:135 free_cma:0 [ 751.126020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.133400] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 751.135790] Call Trace: [ 751.169107] Node 1 active_anon:1432kB 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 [ 751.178432] [ 751.205823] Node 0 DMA free:10256kB 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 [ 751.208415] dump_stack+0x197/0x210 [ 751.234314] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 751.236480] warn_alloc.cold+0x7b/0x173 [ 751.262647] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 751.266274] ? zone_watermark_ok_safe+0x260/0x260 [ 751.271273] lowmem_reserve[]: 0 0 1 1 1 [ 751.275257] ? __cpuset_node_allowed+0x136/0x540 [ 751.304050] 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 [ 751.308892] ? __isolate_free_page+0x4c0/0x4c0 [ 751.312826] lowmem_reserve[]: 0 0 0 0 0 [ 751.317579] ? wake_all_kswapds+0x14d/0x300 [ 751.343331] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 751.347930] __alloc_pages_slowpath+0x2214/0x2870 [ 751.351861] lowmem_reserve[]: 0 0 0 0 0 [ 751.356194] ? warn_alloc+0x110/0x110 [ 751.384016] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 751.388874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 751.392814] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 751.396613] ? should_fail+0x14d/0x85c [ 751.408363] 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 [ 751.413908] ? __isolate_free_page+0x4c0/0x4c0 [ 751.428616] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 751.432510] __alloc_pages_nodemask+0x617/0x750 [ 751.443139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 751.447720] ? __alloc_pages_slowpath+0x2870/0x2870 [ 751.462798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 751.467480] cache_grow_begin+0x91/0x8c0 [ 751.476306] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 751.481331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.489963] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 751.494032] ? __cpuset_node_allowed+0x136/0x540 [ 751.502842] 269 total pagecache pages [ 751.508383] fallback_alloc+0x1fd/0x2d0 [ 751.516935] 0 pages in swap cache [ 751.521679] ____cache_alloc_node+0x1be/0x1e0 [ 751.525445] Swap cache stats: add 0, delete 0, find 0/0 [ 751.525453] Free swap = 0kB [ 751.529427] kmem_cache_alloc_node+0xe3/0x710 [ 751.532857] Total swap = 0kB [ 751.537356] __alloc_skb+0xd5/0x5f0 [ 751.542774] 1965979 pages RAM [ 751.545782] ? skb_trim+0x190/0x190 [ 751.550253] 0 pages HighMem/MovableOnly [ 751.550261] 341723 pages reserved [ 751.553286] ? check_preemption_disabled+0x48/0x290 [ 751.556886] 0 pages cma reserved [ 751.559993] ? lock_acquire+0x16f/0x3f0 [ 751.563659] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 751.567568] new_skb+0x28/0x1d0 [ 751.567581] aoecmd_cfg+0x1b5/0x640 [ 751.567597] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 751.571073] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 751.576052] ? timer_reduce+0x11d0/0x11d0 [ 751.581471] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 751.585448] discover_timer+0x4e/0x60 [ 751.626902] call_timer_fn+0x18d/0x720 [ 751.630784] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 751.635469] ? process_timeout+0x40/0x40 [ 751.639520] ? run_timer_softirq+0x644/0x16a0 [ 751.644008] ? trace_hardirqs_on+0x67/0x220 [ 751.648328] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 751.652994] run_timer_softirq+0x64f/0x16a0 [ 751.657323] ? add_timer+0xbe0/0xbe0 [ 751.661035] ? __lock_is_held+0xb6/0x140 [ 751.665100] __do_softirq+0x25c/0x921 [ 751.668894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.674424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.679962] irq_exit+0x180/0x1d0 [ 751.683408] smp_apic_timer_interrupt+0x13b/0x550 [ 751.688243] apic_timer_interrupt+0xf/0x20 [ 751.692463] [ 751.694695] RIP: 0010:smp_call_function_single+0x139/0x420 [ 751.700311] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 751.719393] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 751.727094] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 751.734356] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 751.741625] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 751.748884] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 751.756144] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 751.763420] ? smp_call_function_single+0x14c/0x420 [ 751.768436] ? smp_call_function_single+0x137/0x420 [ 751.773448] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 751.779257] ? generic_exec_single+0x490/0x490 [ 751.783831] ? __lock_acquire+0x6ee/0x49c0 [ 751.788056] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 751.793845] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 751.798864] ? find_next_and_bit+0x19a/0x200 [ 751.803277] smp_call_function_many+0x75f/0x8e0 [ 751.807939] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 751.813735] native_flush_tlb_others+0x81/0x420 [ 751.818400] flush_tlb_mm_range+0x21c/0x350 [ 751.822715] ? native_flush_tlb_others+0x420/0x420 [ 751.827637] ? lock_acquire+0x16f/0x3f0 [ 751.831603] ? kasan_check_write+0x14/0x20 [ 751.835833] flush_tlb_batched_pending+0x6e/0xb0 [ 751.840581] unmap_page_range+0x8b5/0x1fb0 [ 751.844820] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 751.849305] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.854843] ? kasan_check_write+0x14/0x20 [ 751.859276] __oom_reap_task_mm+0x1fb/0x3a0 [ 751.864860] ? process_shares_mm+0x130/0x130 [ 751.869305] ? oom_reaper+0x12c/0x1160 [ 751.873212] ? __lock_is_held+0xb6/0x140 [ 751.877293] oom_reaper+0x246/0x1160 [ 751.881016] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 751.885512] ? trace_hardirqs_on+0x67/0x220 [ 751.889830] ? finish_wait+0x260/0x260 [ 751.893714] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 751.898812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 751.904354] ? __kthread_parkme+0xfb/0x1b0 [ 751.908679] kthread+0x354/0x420 [ 751.912036] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 751.916527] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 751.922062] ret_from_fork+0x24/0x30 [ 751.925793] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 751.925850] aoe: skb alloc failure [ 751.933591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.933596] Call Trace: [ 751.933601] [ 751.933618] dump_stack+0x197/0x210 [ 751.933635] warn_alloc.cold+0x7b/0x173 [ 751.938939] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 751.948243] ? zone_watermark_ok_safe+0x260/0x260 [ 751.950801] oom_reaper cpuset=/ mems_allowed=0-1 [ 751.952964] ? __cpuset_node_allowed+0x136/0x540 [ 751.985121] ? __isolate_free_page+0x4c0/0x4c0 [ 751.989726] ? wake_all_kswapds+0x14d/0x300 [ 751.994059] __alloc_pages_slowpath+0x2214/0x2870 [ 751.998919] ? warn_alloc+0x110/0x110 [ 752.002720] ? __lock_acquire+0x6ee/0x49c0 [ 752.006978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.012508] ? should_fail+0x14d/0x85c [ 752.016435] ? __isolate_free_page+0x4c0/0x4c0 [ 752.021044] __alloc_pages_nodemask+0x617/0x750 [ 752.025733] ? __alloc_pages_slowpath+0x2870/0x2870 [ 752.030761] ? find_held_lock+0x35/0x130 [ 752.034829] cache_grow_begin+0x91/0x8c0 [ 752.038909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.044442] ? __cpuset_node_allowed+0x136/0x540 [ 752.049210] fallback_alloc+0x1fd/0x2d0 [ 752.053215] ____cache_alloc_node+0x1be/0x1e0 [ 752.057732] kmem_cache_alloc+0x1f3/0x700 [ 752.061875] ? mark_held_locks+0xb1/0x100 [ 752.066020] ? __netdev_alloc_skb+0x370/0x470 [ 752.070761] __build_skb+0x3e/0x310 [ 752.074393] __netdev_alloc_skb+0x2ba/0x470 [ 752.078736] send_hsr_supervision_frame+0x110/0xf30 [ 752.083770] ? lock_acquire+0x16f/0x3f0 [ 752.087758] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 752.092783] hsr_announce+0x12f/0x3b0 [ 752.096585] call_timer_fn+0x18d/0x720 [ 752.100478] ? send_hsr_supervision_frame+0xf30/0xf30 [ 752.105662] ? process_timeout+0x40/0x40 [ 752.109730] ? run_timer_softirq+0x644/0x16a0 [ 752.114237] ? trace_hardirqs_on+0x67/0x220 [ 752.118558] ? send_hsr_supervision_frame+0xf30/0xf30 [ 752.123853] run_timer_softirq+0x64f/0x16a0 [ 752.128189] ? add_timer+0xbe0/0xbe0 [ 752.131902] ? __lock_is_held+0xb6/0x140 [ 752.135967] __do_softirq+0x25c/0x921 [ 752.139762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.145305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.151119] irq_exit+0x180/0x1d0 [ 752.154598] smp_apic_timer_interrupt+0x13b/0x550 [ 752.159459] apic_timer_interrupt+0xf/0x20 [ 752.163681] [ 752.165942] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 752.170870] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 752.189762] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 752.197476] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 752.204759] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 752.212023] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 752.219282] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 752.226650] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 752.233945] skb_clone+0x156/0x3e0 [ 752.237485] bpf_clone_redirect+0xb2/0x480 [ 752.241726] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 752.246753] ? 0xffffffff81000000 [ 752.250219] ? mark_held_locks+0x100/0x100 [ 752.254449] ? trace_hardirqs_on_caller+0x6a/0x220 [ 752.259375] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 752.264212] ? bpf_test_run+0x146/0x430 [ 752.268183] ? find_held_lock+0x35/0x130 [ 752.272237] ? bpf_test_run+0x146/0x430 [ 752.276210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.281744] ? check_preemption_disabled+0x48/0x290 [ 752.286758] ? lock_acquire+0x16f/0x3f0 [ 752.290741] ? kasan_check_read+0x11/0x20 [ 752.294883] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 752.300075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 752.305617] bpf_test_run+0x10d/0x430 [ 752.309432] bpf_prog_test_run_skb+0x64b/0xb20 [ 752.314045] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 752.319198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 752.324756] ? fput+0x128/0x1a0 [ 752.328056] ? __bpf_prog_get+0x97/0x290 [ 752.332115] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 752.336961] bpf_prog_test_run+0x129/0x1a0 [ 752.341219] __x64_sys_bpf+0x397/0x4c0 [ 752.345118] ? bpf_prog_get+0x20/0x20 [ 752.348928] ? do_syscall_64+0x26/0x620 [ 752.352918] ? lockdep_hardirqs_on+0x415/0x5d0 [ 752.357499] ? trace_hardirqs_on+0x67/0x220 [ 752.361910] do_syscall_64+0xfd/0x620 [ 752.365738] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.370919] RIP: 0033:0x45af49 [ 752.374649] Code: Bad RIP value. [ 752.378004] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 752.385710] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 752.392967] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 752.400313] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 752.407658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 752.414916] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 752.422194] warn_alloc_show_mem: 1 callbacks suppressed [ 752.422205] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 752.422206] Mem-Info: [ 752.422236] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 752.422236] active_file:13 inactive_file:11 isolated_file:0 [ 752.422236] unevictable:0 dirty:0 writeback:0 unstable:0 [ 752.422236] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 752.422236] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 752.422236] free:10923 free_pcp:135 free_cma:0 [ 752.427594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.434953] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 752.437353] Call Trace: [ 752.470578] Node 1 active_anon:1432kB 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 [ 752.479903] [ 752.507425] Node 0 DMA free:10256kB 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 [ 752.510017] dump_stack+0x197/0x210 [ 752.535931] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 752.538091] warn_alloc.cold+0x7b/0x173 [ 752.564354] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 752.567995] ? zone_watermark_ok_safe+0x260/0x260 [ 752.572969] lowmem_reserve[]: 0 0 1 1 1 [ 752.576945] ? __cpuset_node_allowed+0x136/0x540 [ 752.605557] 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 [ 752.610403] ? __isolate_free_page+0x4c0/0x4c0 [ 752.614345] lowmem_reserve[]: 0 0 0 0 0 [ 752.619099] ? wake_all_kswapds+0x14d/0x300 [ 752.644832] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 752.649414] __alloc_pages_slowpath+0x2214/0x2870 [ 752.653352] lowmem_reserve[]: 0 0 0 0 0 [ 752.657785] ? warn_alloc+0x110/0x110 [ 752.685675] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 752.690513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.694457] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 752.698262] ? should_fail+0x14d/0x85c [ 752.710013] 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 [ 752.715574] ? __isolate_free_page+0x4c0/0x4c0 [ 752.730304] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 752.734198] __alloc_pages_nodemask+0x617/0x750 [ 752.744830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 752.749417] ? __alloc_pages_slowpath+0x2870/0x2870 [ 752.764477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 752.769146] cache_grow_begin+0x91/0x8c0 [ 752.778379] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 752.778391] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 752.783401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.792035] 269 total pagecache pages [ 752.796084] ? __cpuset_node_allowed+0x136/0x540 [ 752.804913] 0 pages in swap cache [ 752.813480] fallback_alloc+0x1fd/0x2d0 [ 752.818991] Swap cache stats: add 0, delete 0, find 0/0 [ 752.822780] ____cache_alloc_node+0x1be/0x1e0 [ 752.827499] Free swap = 0kB [ 752.827507] Total swap = 0kB [ 752.830959] kmem_cache_alloc_node+0xe3/0x710 [ 752.834909] 1965979 pages RAM [ 752.840881] __alloc_skb+0xd5/0x5f0 [ 752.845342] 0 pages HighMem/MovableOnly [ 752.848356] ? skb_trim+0x190/0x190 [ 752.851339] 341723 pages reserved [ 752.851350] 0 pages cma reserved [ 752.855833] ? check_preemption_disabled+0x48/0x290 [ 752.859015] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 752.863488] ? lock_acquire+0x16f/0x3f0 [ 752.867436] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 752.871056] new_skb+0x28/0x1d0 [ 752.905951] aoecmd_cfg+0x1b5/0x640 [ 752.909570] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 752.913891] ? timer_reduce+0x11d0/0x11d0 [ 752.918039] discover_timer+0x4e/0x60 [ 752.921840] call_timer_fn+0x18d/0x720 [ 752.925720] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 752.930379] ? process_timeout+0x40/0x40 [ 752.934446] ? run_timer_softirq+0x644/0x16a0 [ 752.938952] ? trace_hardirqs_on+0x67/0x220 [ 752.943358] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 752.948571] run_timer_softirq+0x64f/0x16a0 [ 752.952897] ? add_timer+0xbe0/0xbe0 [ 752.956611] ? __lock_is_held+0xb6/0x140 [ 752.960679] __do_softirq+0x25c/0x921 [ 752.964477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.970005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.975545] irq_exit+0x180/0x1d0 [ 752.978990] smp_apic_timer_interrupt+0x13b/0x550 [ 752.983825] apic_timer_interrupt+0xf/0x20 [ 752.988061] [ 752.990292] RIP: 0010:smp_call_function_single+0x139/0x420 [ 752.995924] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 753.014825] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 753.022521] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 753.029779] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 753.037038] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 753.044311] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 753.051592] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 753.058897] ? smp_call_function_single+0x14c/0x420 [ 753.063945] ? smp_call_function_single+0x137/0x420 [ 753.068974] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 753.074790] ? generic_exec_single+0x490/0x490 [ 753.079372] ? __lock_acquire+0x6ee/0x49c0 [ 753.083601] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 753.089399] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 753.094404] ? find_next_and_bit+0x19a/0x200 [ 753.098811] smp_call_function_many+0x75f/0x8e0 [ 753.103475] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 753.109272] native_flush_tlb_others+0x81/0x420 [ 753.113932] flush_tlb_mm_range+0x21c/0x350 [ 753.118246] ? native_flush_tlb_others+0x420/0x420 [ 753.123170] ? lock_acquire+0x16f/0x3f0 [ 753.127143] ? kasan_check_write+0x14/0x20 [ 753.131372] flush_tlb_batched_pending+0x6e/0xb0 [ 753.136121] unmap_page_range+0x8b5/0x1fb0 [ 753.140381] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 753.144888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 753.150434] ? kasan_check_write+0x14/0x20 [ 753.154675] __oom_reap_task_mm+0x1fb/0x3a0 [ 753.159018] ? process_shares_mm+0x130/0x130 [ 753.163430] ? oom_reaper+0x12c/0x1160 [ 753.167324] ? __lock_is_held+0xb6/0x140 [ 753.171400] oom_reaper+0x246/0x1160 [ 753.175127] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 753.179616] ? trace_hardirqs_on+0x67/0x220 [ 753.183934] ? finish_wait+0x260/0x260 [ 753.187825] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 753.192922] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 753.198462] ? __kthread_parkme+0xfb/0x1b0 [ 753.202692] kthread+0x354/0x420 [ 753.206060] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 753.210561] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 753.216105] ret_from_fork+0x24/0x30 [ 753.219833] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 753.219888] aoe: skb alloc failure [ 753.227632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.227636] Call Trace: [ 753.227642] [ 753.227659] dump_stack+0x197/0x210 [ 753.227675] warn_alloc.cold+0x7b/0x173 [ 753.231243] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 753.240588] ? zone_watermark_ok_safe+0x260/0x260 [ 753.243166] oom_reaper cpuset=/ mems_allowed=0-1 [ 753.245314] ? __cpuset_node_allowed+0x136/0x540 [ 753.277430] ? __isolate_free_page+0x4c0/0x4c0 [ 753.282004] ? wake_all_kswapds+0x14d/0x300 [ 753.286329] __alloc_pages_slowpath+0x2214/0x2870 [ 753.291184] ? warn_alloc+0x110/0x110 [ 753.294980] ? __lock_acquire+0x6ee/0x49c0 [ 753.299229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.304772] ? should_fail+0x14d/0x85c [ 753.308660] ? __isolate_free_page+0x4c0/0x4c0 [ 753.313247] __alloc_pages_nodemask+0x617/0x750 [ 753.317913] ? __alloc_pages_slowpath+0x2870/0x2870 [ 753.322927] ? find_held_lock+0x35/0x130 [ 753.326997] cache_grow_begin+0x91/0x8c0 [ 753.331052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.337101] ? __cpuset_node_allowed+0x136/0x540 [ 753.341878] fallback_alloc+0x1fd/0x2d0 [ 753.345858] ____cache_alloc_node+0x1be/0x1e0 [ 753.350350] kmem_cache_alloc+0x1f3/0x700 [ 753.354494] ? mark_held_locks+0xb1/0x100 [ 753.358647] ? __netdev_alloc_skb+0x370/0x470 [ 753.363141] __build_skb+0x3e/0x310 [ 753.366762] __netdev_alloc_skb+0x2ba/0x470 [ 753.371083] send_hsr_supervision_frame+0x110/0xf30 [ 753.376094] ? lock_acquire+0x16f/0x3f0 [ 753.380063] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 753.385073] hsr_announce+0x12f/0x3b0 [ 753.388867] call_timer_fn+0x18d/0x720 [ 753.392746] ? send_hsr_supervision_frame+0xf30/0xf30 [ 753.397928] ? process_timeout+0x40/0x40 [ 753.401978] ? run_timer_softirq+0x644/0x16a0 [ 753.406468] ? trace_hardirqs_on+0x67/0x220 [ 753.410796] ? send_hsr_supervision_frame+0xf30/0xf30 [ 753.415980] run_timer_softirq+0x64f/0x16a0 [ 753.420297] ? add_timer+0xbe0/0xbe0 [ 753.424002] ? __lock_is_held+0xb6/0x140 [ 753.428067] __do_softirq+0x25c/0x921 [ 753.431856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.437385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.442922] irq_exit+0x180/0x1d0 [ 753.446366] smp_apic_timer_interrupt+0x13b/0x550 [ 753.451205] apic_timer_interrupt+0xf/0x20 [ 753.455423] [ 753.457654] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 753.462578] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 753.481468] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 753.489165] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 753.496441] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 753.503707] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 753.510973] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 753.518232] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 753.525543] skb_clone+0x156/0x3e0 [ 753.529083] bpf_clone_redirect+0xb2/0x480 [ 753.533332] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 753.538339] ? 0xffffffff81000000 [ 753.541812] ? mark_held_locks+0x100/0x100 [ 753.546059] ? trace_hardirqs_on_caller+0x6a/0x220 [ 753.551005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 753.555917] ? bpf_test_run+0x146/0x430 [ 753.559895] ? find_held_lock+0x35/0x130 [ 753.563952] ? bpf_test_run+0x146/0x430 [ 753.567934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.573464] ? check_preemption_disabled+0x48/0x290 [ 753.578497] ? lock_acquire+0x16f/0x3f0 [ 753.582481] ? kasan_check_read+0x11/0x20 [ 753.586751] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 753.591939] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 753.597497] bpf_test_run+0x10d/0x430 [ 753.601326] bpf_prog_test_run_skb+0x64b/0xb20 [ 753.606020] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 753.610860] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 753.616428] ? fput+0x128/0x1a0 [ 753.619710] ? __bpf_prog_get+0x97/0x290 [ 753.623786] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 753.628648] bpf_prog_test_run+0x129/0x1a0 [ 753.632945] __x64_sys_bpf+0x397/0x4c0 [ 753.636954] ? bpf_prog_get+0x20/0x20 [ 753.640765] ? do_syscall_64+0x26/0x620 [ 753.644740] ? lockdep_hardirqs_on+0x415/0x5d0 [ 753.649339] ? trace_hardirqs_on+0x67/0x220 [ 753.653732] do_syscall_64+0xfd/0x620 [ 753.657554] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 753.662831] RIP: 0033:0x45af49 [ 753.666056] Code: Bad RIP value. [ 753.669415] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 753.677135] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 753.684402] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 753.691676] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 753.698955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 753.706222] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 753.713535] warn_alloc_show_mem: 1 callbacks suppressed [ 753.713546] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 753.713548] Mem-Info: [ 753.713578] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 753.713578] active_file:13 inactive_file:11 isolated_file:0 [ 753.713578] unevictable:0 dirty:0 writeback:0 unstable:0 [ 753.713578] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 753.713578] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 753.713578] free:10923 free_pcp:135 free_cma:0 [ 753.718934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.718944] Call Trace: [ 753.726421] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 753.728824] [ 753.761895] Node 1 active_anon:1432kB 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 [ 753.771238] dump_stack+0x197/0x210 [ 753.773794] Node 0 DMA free:10256kB 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 [ 753.801223] warn_alloc.cold+0x7b/0x173 [ 753.803389] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 753.829431] ? zone_watermark_ok_safe+0x260/0x260 [ 753.833034] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 753.859249] ? __cpuset_node_allowed+0x136/0x540 [ 753.863207] lowmem_reserve[]: 0 0 1 1 1 [ 753.868233] ? __isolate_free_page+0x4c0/0x4c0 [ 753.873050] 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 [ 753.901673] ? wake_all_kswapds+0x14d/0x300 [ 753.906397] lowmem_reserve[]: 0 0 0 0 0 [ 753.910374] __alloc_pages_slowpath+0x2214/0x2870 [ 753.914935] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 753.940709] ? warn_alloc+0x110/0x110 [ 753.944985] lowmem_reserve[]: 0 0 0 0 0 [ 753.948977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.953793] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 753.981635] ? should_fail+0x14d/0x85c [ 753.985502] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 753.989473] ? __isolate_free_page+0x4c0/0x4c0 [ 753.994979] 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 [ 754.006808] __alloc_pages_nodemask+0x617/0x750 [ 754.010682] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 754.025448] ? __alloc_pages_slowpath+0x2870/0x2870 [ 754.030012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 754.040686] cache_grow_begin+0x91/0x8c0 [ 754.045329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 754.060424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.065418] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 754.074261] ? __cpuset_node_allowed+0x136/0x540 [ 754.078422] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 754.087025] fallback_alloc+0x1fd/0x2d0 [ 754.092541] 269 total pagecache pages [ 754.101405] ____cache_alloc_node+0x1be/0x1e0 [ 754.106147] 0 pages in swap cache [ 754.114738] kmem_cache_alloc_node+0xe3/0x710 [ 754.118698] Swap cache stats: add 0, delete 0, find 0/0 [ 754.122506] __alloc_skb+0xd5/0x5f0 [ 754.127001] Free swap = 0kB [ 754.130461] ? skb_trim+0x190/0x190 [ 754.135057] Total swap = 0kB [ 754.140443] ? check_preemption_disabled+0x48/0x290 [ 754.144049] 1965979 pages RAM [ 754.147076] ? lock_acquire+0x16f/0x3f0 [ 754.150688] 0 pages HighMem/MovableOnly [ 754.153718] new_skb+0x28/0x1d0 [ 754.158728] 341723 pages reserved [ 754.161835] aoecmd_cfg+0x1b5/0x640 [ 754.165818] 0 pages cma reserved [ 754.169818] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 754.173195] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 754.176532] ? timer_reduce+0x11d0/0x11d0 [ 754.180142] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 754.183531] discover_timer+0x4e/0x60 [ 754.211832] call_timer_fn+0x18d/0x720 [ 754.215741] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 754.222168] ? process_timeout+0x40/0x40 [ 754.226227] ? run_timer_softirq+0x644/0x16a0 [ 754.230740] ? trace_hardirqs_on+0x67/0x220 [ 754.235085] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 754.239765] run_timer_softirq+0x64f/0x16a0 [ 754.244217] ? add_timer+0xbe0/0xbe0 [ 754.247951] ? __lock_is_held+0xb6/0x140 [ 754.252020] __do_softirq+0x25c/0x921 [ 754.255824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.261483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.267063] irq_exit+0x180/0x1d0 [ 754.270518] smp_apic_timer_interrupt+0x13b/0x550 [ 754.275368] apic_timer_interrupt+0xf/0x20 [ 754.280565] [ 754.282896] RIP: 0010:smp_call_function_single+0x139/0x420 [ 754.288525] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 754.307446] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 754.315159] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 754.322941] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 754.331090] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 754.338372] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 754.346072] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 754.353373] ? smp_call_function_single+0x14c/0x420 [ 754.358384] ? smp_call_function_single+0x137/0x420 [ 754.363400] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 754.369191] ? generic_exec_single+0x490/0x490 [ 754.373767] ? __lock_acquire+0x6ee/0x49c0 [ 754.377991] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 754.383875] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 754.388886] ? find_next_and_bit+0x19a/0x200 [ 754.393381] smp_call_function_many+0x75f/0x8e0 [ 754.398047] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 754.403861] native_flush_tlb_others+0x81/0x420 [ 754.408525] flush_tlb_mm_range+0x21c/0x350 [ 754.412854] ? native_flush_tlb_others+0x420/0x420 [ 754.417780] ? lock_acquire+0x16f/0x3f0 [ 754.421762] ? kasan_check_write+0x14/0x20 [ 754.426000] flush_tlb_batched_pending+0x6e/0xb0 [ 754.430749] unmap_page_range+0x8b5/0x1fb0 [ 754.434994] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 754.439484] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 754.445016] ? kasan_check_write+0x14/0x20 [ 754.449310] __oom_reap_task_mm+0x1fb/0x3a0 [ 754.453627] ? process_shares_mm+0x130/0x130 [ 754.458030] ? oom_reaper+0x12c/0x1160 [ 754.461919] ? __lock_is_held+0xb6/0x140 [ 754.465991] oom_reaper+0x246/0x1160 [ 754.469716] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 754.474206] ? trace_hardirqs_on+0x67/0x220 [ 754.478649] ? finish_wait+0x260/0x260 [ 754.482581] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 754.487724] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 754.493259] ? __kthread_parkme+0xfb/0x1b0 [ 754.497491] kthread+0x354/0x420 [ 754.500894] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 754.505384] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 754.510929] ret_from_fork+0x24/0x30 [ 754.514666] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 754.514722] aoe: skb alloc failure [ 754.522465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 754.522470] Call Trace: [ 754.522476] [ 754.522492] dump_stack+0x197/0x210 [ 754.522510] warn_alloc.cold+0x7b/0x173 [ 754.526064] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 754.535400] ? zone_watermark_ok_safe+0x260/0x260 [ 754.537968] oom_reaper cpuset=/ mems_allowed=0-1 [ 754.540121] ? __cpuset_node_allowed+0x136/0x540 [ 754.572181] ? __isolate_free_page+0x4c0/0x4c0 [ 754.576756] ? wake_all_kswapds+0x14d/0x300 [ 754.581077] __alloc_pages_slowpath+0x2214/0x2870 [ 754.585927] ? warn_alloc+0x110/0x110 [ 754.589731] ? __lock_acquire+0x6ee/0x49c0 [ 754.593958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.599488] ? should_fail+0x14d/0x85c [ 754.603371] ? __isolate_free_page+0x4c0/0x4c0 [ 754.607954] __alloc_pages_nodemask+0x617/0x750 [ 754.612637] ? __alloc_pages_slowpath+0x2870/0x2870 [ 754.617672] ? find_held_lock+0x35/0x130 [ 754.621745] cache_grow_begin+0x91/0x8c0 [ 754.625911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.631443] ? __cpuset_node_allowed+0x136/0x540 [ 754.636201] fallback_alloc+0x1fd/0x2d0 [ 754.640177] ____cache_alloc_node+0x1be/0x1e0 [ 754.644667] kmem_cache_alloc_node+0xe3/0x710 [ 754.649155] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 754.653390] __alloc_skb+0xd5/0x5f0 [ 754.657010] ? skb_trim+0x190/0x190 [ 754.660633] ? kasan_check_read+0x11/0x20 [ 754.664785] ndisc_alloc_skb+0x13c/0x340 [ 754.668928] ndisc_send_rs+0x35f/0x6e0 [ 754.672915] addrconf_rs_timer+0x30f/0x680 [ 754.677143] ? ipv6_get_lladdr+0x490/0x490 [ 754.681378] call_timer_fn+0x18d/0x720 [ 754.685255] ? ipv6_get_lladdr+0x490/0x490 [ 754.689500] ? process_timeout+0x40/0x40 [ 754.694187] ? run_timer_softirq+0x644/0x16a0 [ 754.698792] ? trace_hardirqs_on+0x67/0x220 [ 754.703155] ? ipv6_get_lladdr+0x490/0x490 [ 754.707411] run_timer_softirq+0x64f/0x16a0 [ 754.711836] ? add_timer+0xbe0/0xbe0 [ 754.715564] ? __lock_is_held+0xb6/0x140 [ 754.719644] __do_softirq+0x25c/0x921 [ 754.723438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.728973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.734778] irq_exit+0x180/0x1d0 [ 754.738235] smp_apic_timer_interrupt+0x13b/0x550 [ 754.743073] apic_timer_interrupt+0xf/0x20 [ 754.747465] [ 754.749694] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 754.754616] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 754.773516] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 754.781217] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 754.788589] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 754.795860] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 754.803123] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 754.810396] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 754.817700] skb_clone+0x156/0x3e0 [ 754.821278] bpf_clone_redirect+0xb2/0x480 [ 754.825508] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 754.830550] ? 0xffffffff81000000 [ 754.834003] ? mark_held_locks+0x100/0x100 [ 754.838240] ? trace_hardirqs_on_caller+0x6a/0x220 [ 754.843172] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 754.847923] ? bpf_test_run+0x146/0x430 [ 754.851889] ? find_held_lock+0x35/0x130 [ 754.855963] ? bpf_test_run+0x146/0x430 [ 754.859935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.865466] ? check_preemption_disabled+0x48/0x290 [ 754.870471] ? lock_acquire+0x16f/0x3f0 [ 754.874442] ? kasan_check_read+0x11/0x20 [ 754.878580] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 754.883766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 754.889297] bpf_test_run+0x10d/0x430 [ 754.893101] bpf_prog_test_run_skb+0x64b/0xb20 [ 754.897680] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 754.902515] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 754.908048] ? fput+0x128/0x1a0 [ 754.911320] ? __bpf_prog_get+0x97/0x290 [ 754.915376] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 754.920221] bpf_prog_test_run+0x129/0x1a0 [ 754.924448] __x64_sys_bpf+0x397/0x4c0 [ 754.928326] ? bpf_prog_get+0x20/0x20 [ 754.932122] ? do_syscall_64+0x26/0x620 [ 754.936087] ? lockdep_hardirqs_on+0x415/0x5d0 [ 754.940664] ? trace_hardirqs_on+0x67/0x220 [ 754.944986] do_syscall_64+0xfd/0x620 [ 754.948792] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 754.954063] RIP: 0033:0x45af49 [ 754.957258] Code: Bad RIP value. [ 754.960611] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 754.968306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 754.975566] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 754.982824] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 754.990112] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 754.997391] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 755.005901] warn_alloc_show_mem: 1 callbacks suppressed [ 755.005911] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 755.005913] Mem-Info: [ 755.005943] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 755.005943] active_file:13 inactive_file:11 isolated_file:0 [ 755.005943] unevictable:0 dirty:0 writeback:0 unstable:0 [ 755.005943] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 755.005943] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 755.005943] free:10923 free_pcp:135 free_cma:0 [ 755.011282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.018659] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 755.021056] Call Trace: [ 755.054120] Node 1 active_anon:1432kB 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 [ 755.063446] [ 755.090942] Node 0 DMA free:10256kB 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 [ 755.093535] dump_stack+0x197/0x210 [ 755.120319] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 755.122477] warn_alloc.cold+0x7b/0x173 [ 755.148645] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 755.152272] ? zone_watermark_ok_safe+0x260/0x260 [ 755.157261] lowmem_reserve[]: 0 0 1 1 1 [ 755.161228] ? __cpuset_node_allowed+0x136/0x540 [ 755.191480] 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 [ 755.196344] ? __isolate_free_page+0x4c0/0x4c0 [ 755.200379] lowmem_reserve[]: 0 0 0 0 0 [ 755.205167] ? wake_all_kswapds+0x14d/0x300 [ 755.230925] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 755.235634] __alloc_pages_slowpath+0x2214/0x2870 [ 755.239583] lowmem_reserve[]: 0 0 0 0 0 [ 755.243916] ? warn_alloc+0x110/0x110 [ 755.271734] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 755.276577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.280536] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 755.284348] ? should_fail+0x14d/0x85c [ 755.296116] 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 [ 755.301657] ? __isolate_free_page+0x4c0/0x4c0 [ 755.316508] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 755.320430] __alloc_pages_nodemask+0x617/0x750 [ 755.331074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 755.335651] ? __alloc_pages_slowpath+0x2870/0x2870 [ 755.350725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 755.355406] cache_grow_begin+0x91/0x8c0 [ 755.364220] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 755.369245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.377839] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 755.381891] ? __cpuset_node_allowed+0x136/0x540 [ 755.390878] 269 total pagecache pages [ 755.396418] fallback_alloc+0x1fd/0x2d0 [ 755.404985] 0 pages in swap cache [ 755.409732] ____cache_alloc_node+0x1be/0x1e0 [ 755.413515] Swap cache stats: add 0, delete 0, find 0/0 [ 755.413523] Free swap = 0kB [ 755.417502] kmem_cache_alloc_node+0xe3/0x710 [ 755.420942] Total swap = 0kB [ 755.425536] __alloc_skb+0xd5/0x5f0 [ 755.430866] 1965979 pages RAM [ 755.433889] ? skb_trim+0x190/0x190 [ 755.438353] 0 pages HighMem/MovableOnly [ 755.438361] 341723 pages reserved [ 755.441370] ? check_preemption_disabled+0x48/0x290 [ 755.444977] 0 pages cma reserved [ 755.445045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 755.448081] ? lock_acquire+0x16f/0x3f0 [ 755.448099] new_skb+0x28/0x1d0 [ 755.448114] aoecmd_cfg+0x1b5/0x640 [ 755.451874] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 755.455795] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 755.459235] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 755.464521] ? timer_reduce+0x11d0/0x11d0 [ 755.509593] discover_timer+0x4e/0x60 [ 755.513409] call_timer_fn+0x18d/0x720 [ 755.517290] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 755.521967] ? process_timeout+0x40/0x40 [ 755.526021] ? run_timer_softirq+0x644/0x16a0 [ 755.530516] ? trace_hardirqs_on+0x67/0x220 [ 755.534835] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 755.539511] run_timer_softirq+0x64f/0x16a0 [ 755.543833] ? add_timer+0xbe0/0xbe0 [ 755.547540] ? __lock_is_held+0xb6/0x140 [ 755.551605] __do_softirq+0x25c/0x921 [ 755.555399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.560928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.566467] irq_exit+0x180/0x1d0 [ 755.569937] smp_apic_timer_interrupt+0x13b/0x550 [ 755.574912] apic_timer_interrupt+0xf/0x20 [ 755.579142] [ 755.581379] RIP: 0010:smp_call_function_single+0x139/0x420 [ 755.587004] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 755.605912] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 755.613614] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 755.620887] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 755.628156] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 755.635514] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 755.642777] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 755.650052] ? smp_call_function_single+0x14c/0x420 [ 755.655065] ? smp_call_function_single+0x137/0x420 [ 755.660091] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 755.665900] ? generic_exec_single+0x490/0x490 [ 755.670474] ? __lock_acquire+0x6ee/0x49c0 [ 755.674717] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 755.680528] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 755.685579] ? find_next_and_bit+0x19a/0x200 [ 755.690109] smp_call_function_many+0x75f/0x8e0 [ 755.694780] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 755.701366] native_flush_tlb_others+0x81/0x420 [ 755.706040] flush_tlb_mm_range+0x21c/0x350 [ 755.710361] ? native_flush_tlb_others+0x420/0x420 [ 755.715388] ? lock_acquire+0x16f/0x3f0 [ 755.719362] ? kasan_check_write+0x14/0x20 [ 755.723594] flush_tlb_batched_pending+0x6e/0xb0 [ 755.728350] unmap_page_range+0x8b5/0x1fb0 [ 755.732595] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 755.737083] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 755.742616] ? kasan_check_write+0x14/0x20 [ 755.746847] __oom_reap_task_mm+0x1fb/0x3a0 [ 755.751166] ? process_shares_mm+0x130/0x130 [ 755.755569] ? oom_reaper+0x12c/0x1160 [ 755.759467] ? __lock_is_held+0xb6/0x140 [ 755.763554] oom_reaper+0x246/0x1160 [ 755.767297] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 755.771805] ? trace_hardirqs_on+0x67/0x220 [ 755.776136] ? finish_wait+0x260/0x260 [ 755.780023] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 755.785125] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 755.790670] ? __kthread_parkme+0xfb/0x1b0 [ 755.794911] kthread+0x354/0x420 [ 755.798276] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 755.802766] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 755.808299] ret_from_fork+0x24/0x30 [ 755.812031] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 755.812085] aoe: skb alloc failure [ 755.819830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.819834] Call Trace: [ 755.819841] [ 755.819856] dump_stack+0x197/0x210 [ 755.819873] warn_alloc.cold+0x7b/0x173 [ 755.823427] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 755.832778] ? zone_watermark_ok_safe+0x260/0x260 [ 755.835357] oom_reaper cpuset=/ mems_allowed=0-1 [ 755.837502] ? __cpuset_node_allowed+0x136/0x540 [ 755.869623] ? __isolate_free_page+0x4c0/0x4c0 [ 755.874214] ? wake_all_kswapds+0x14d/0x300 [ 755.878536] __alloc_pages_slowpath+0x2214/0x2870 [ 755.883390] ? warn_alloc+0x110/0x110 [ 755.887286] ? __lock_acquire+0x6ee/0x49c0 [ 755.891513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.897050] ? should_fail+0x14d/0x85c [ 755.900933] ? __isolate_free_page+0x4c0/0x4c0 [ 755.905632] __alloc_pages_nodemask+0x617/0x750 [ 755.910299] ? __alloc_pages_slowpath+0x2870/0x2870 [ 755.915315] ? find_held_lock+0x35/0x130 [ 755.919386] cache_grow_begin+0x91/0x8c0 [ 755.923441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.928973] ? __cpuset_node_allowed+0x136/0x540 [ 755.933722] fallback_alloc+0x1fd/0x2d0 [ 755.937781] ____cache_alloc_node+0x1be/0x1e0 [ 755.942273] kmem_cache_alloc_node+0xe3/0x710 [ 755.946779] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 755.951022] __alloc_skb+0xd5/0x5f0 [ 755.954644] ? skb_trim+0x190/0x190 [ 755.958274] ? kasan_check_read+0x11/0x20 [ 755.962419] ndisc_alloc_skb+0x13c/0x340 [ 755.966476] ndisc_send_rs+0x35f/0x6e0 [ 755.970360] addrconf_rs_timer+0x30f/0x680 [ 755.974592] ? ipv6_get_lladdr+0x490/0x490 [ 755.978827] call_timer_fn+0x18d/0x720 [ 755.982720] ? ipv6_get_lladdr+0x490/0x490 [ 755.986947] ? process_timeout+0x40/0x40 [ 755.991001] ? run_timer_softirq+0x644/0x16a0 [ 755.995499] ? trace_hardirqs_on+0x67/0x220 [ 755.999829] ? ipv6_get_lladdr+0x490/0x490 [ 756.004071] run_timer_softirq+0x64f/0x16a0 [ 756.008399] ? add_timer+0xbe0/0xbe0 [ 756.012106] ? __lock_is_held+0xb6/0x140 [ 756.016173] __do_softirq+0x25c/0x921 [ 756.019987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.025518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.031058] irq_exit+0x180/0x1d0 [ 756.034507] smp_apic_timer_interrupt+0x13b/0x550 [ 756.039358] apic_timer_interrupt+0xf/0x20 [ 756.043580] [ 756.045812] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 756.050744] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 756.069833] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 756.077534] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 756.084795] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 756.092055] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 756.099315] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 756.106575] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 756.113965] skb_clone+0x156/0x3e0 [ 756.117506] bpf_clone_redirect+0xb2/0x480 [ 756.121749] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 756.126757] ? 0xffffffff81000000 [ 756.130209] ? mark_held_locks+0x100/0x100 [ 756.134435] ? trace_hardirqs_on_caller+0x6a/0x220 [ 756.139359] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 756.144172] ? bpf_test_run+0x146/0x430 [ 756.148171] ? find_held_lock+0x35/0x130 [ 756.152248] ? bpf_test_run+0x146/0x430 [ 756.156350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.161884] ? check_preemption_disabled+0x48/0x290 [ 756.166981] ? lock_acquire+0x16f/0x3f0 [ 756.170954] ? kasan_check_read+0x11/0x20 [ 756.175094] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 756.180276] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 756.185843] bpf_test_run+0x10d/0x430 [ 756.189657] bpf_prog_test_run_skb+0x64b/0xb20 [ 756.194235] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 756.199068] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 756.204595] ? fput+0x128/0x1a0 [ 756.207867] ? __bpf_prog_get+0x97/0x290 [ 756.211935] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 756.216770] bpf_prog_test_run+0x129/0x1a0 [ 756.220998] __x64_sys_bpf+0x397/0x4c0 [ 756.224877] ? bpf_prog_get+0x20/0x20 [ 756.228675] ? do_syscall_64+0x26/0x620 [ 756.232646] ? lockdep_hardirqs_on+0x415/0x5d0 [ 756.237220] ? trace_hardirqs_on+0x67/0x220 [ 756.241535] do_syscall_64+0xfd/0x620 [ 756.245330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 756.250510] RIP: 0033:0x45af49 [ 756.253759] Code: Bad RIP value. [ 756.257210] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 756.264907] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 756.272349] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 756.279639] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 756.286917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 756.294199] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 756.301482] warn_alloc_show_mem: 1 callbacks suppressed [ 756.301496] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 756.301498] Mem-Info: [ 756.301527] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 756.301527] active_file:13 inactive_file:11 isolated_file:0 [ 756.301527] unevictable:0 dirty:0 writeback:0 unstable:0 [ 756.301527] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 756.301527] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 756.301527] free:10923 free_pcp:135 free_cma:0 [ 756.306877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 756.314245] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 756.316647] Call Trace: [ 756.349807] Node 1 active_anon:1432kB 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 [ 756.359143] [ 756.386824] Node 0 DMA free:10256kB 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 [ 756.389440] dump_stack+0x197/0x210 [ 756.415609] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 756.418237] warn_alloc.cold+0x7b/0x173 [ 756.445105] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 756.448741] ? zone_watermark_ok_safe+0x260/0x260 [ 756.453718] lowmem_reserve[]: 0 0 1 1 1 [ 756.457706] ? __cpuset_node_allowed+0x136/0x540 [ 756.486305] 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 [ 756.491162] ? __isolate_free_page+0x4c0/0x4c0 [ 756.495098] lowmem_reserve[]: 0 0 0 0 0 [ 756.499987] ? wake_all_kswapds+0x14d/0x300 [ 756.525901] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 756.530489] __alloc_pages_slowpath+0x2214/0x2870 [ 756.534429] lowmem_reserve[]: 0 0 0 0 0 [ 756.538765] ? warn_alloc+0x110/0x110 [ 756.566672] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 756.571534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.575485] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 756.579300] ? should_fail+0x14d/0x85c [ 756.594531] 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 [ 756.600067] ? __isolate_free_page+0x4c0/0x4c0 [ 756.614949] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 756.618840] __alloc_pages_nodemask+0x617/0x750 [ 756.632778] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 756.637352] ? __alloc_pages_slowpath+0x2870/0x2870 [ 756.652492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 756.652504] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 756.657184] cache_grow_begin+0x91/0x8c0 [ 756.665985] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 756.665993] 269 total pagecache pages [ 756.671010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.679563] 0 pages in swap cache [ 756.688387] ? __cpuset_node_allowed+0x136/0x540 [ 756.692425] Swap cache stats: add 0, delete 0, find 0/0 [ 756.700988] fallback_alloc+0x1fd/0x2d0 [ 756.704765] Free swap = 0kB [ 756.710740] ____cache_alloc_node+0x1be/0x1e0 [ 756.714176] Total swap = 0kB [ 756.714184] 1965979 pages RAM [ 756.718931] kmem_cache_alloc_node+0xe3/0x710 [ 756.724273] 0 pages HighMem/MovableOnly [ 756.724280] 341723 pages reserved [ 756.728278] __alloc_skb+0xd5/0x5f0 [ 756.731265] 0 pages cma reserved [ 756.735756] ? skb_trim+0x190/0x190 [ 756.738819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 756.741843] ? check_preemption_disabled+0x48/0x290 [ 756.746377] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 756.750312] ? lock_acquire+0x16f/0x3f0 [ 756.754442] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 756.758085] new_skb+0x28/0x1d0 [ 756.800678] aoecmd_cfg+0x1b5/0x640 [ 756.804303] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 756.808632] ? timer_reduce+0x11d0/0x11d0 [ 756.812789] discover_timer+0x4e/0x60 [ 756.816593] call_timer_fn+0x18d/0x720 [ 756.820473] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 756.825136] ? process_timeout+0x40/0x40 [ 756.829206] ? run_timer_softirq+0x644/0x16a0 [ 756.833722] ? trace_hardirqs_on+0x67/0x220 [ 756.838049] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 756.842861] run_timer_softirq+0x64f/0x16a0 [ 756.847194] ? add_timer+0xbe0/0xbe0 [ 756.850921] ? __lock_is_held+0xb6/0x140 [ 756.855008] __do_softirq+0x25c/0x921 [ 756.858801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.864326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.869866] irq_exit+0x180/0x1d0 [ 756.873313] smp_apic_timer_interrupt+0x13b/0x550 [ 756.878155] apic_timer_interrupt+0xf/0x20 [ 756.882393] [ 756.884626] RIP: 0010:smp_call_function_single+0x139/0x420 [ 756.890247] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 756.909143] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 756.916840] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 756.924102] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 756.931359] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 756.938629] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 756.945886] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 756.953170] ? smp_call_function_single+0x14c/0x420 [ 756.958179] ? smp_call_function_single+0x137/0x420 [ 756.963191] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 756.968981] ? generic_exec_single+0x490/0x490 [ 756.973581] ? __lock_acquire+0x6ee/0x49c0 [ 756.977809] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 756.983597] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 756.988603] ? find_next_and_bit+0x19a/0x200 [ 756.993009] smp_call_function_many+0x75f/0x8e0 [ 756.997671] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 757.003469] native_flush_tlb_others+0x81/0x420 [ 757.008134] flush_tlb_mm_range+0x21c/0x350 [ 757.012454] ? native_flush_tlb_others+0x420/0x420 [ 757.017389] ? lock_acquire+0x16f/0x3f0 [ 757.021357] ? kasan_check_write+0x14/0x20 [ 757.025592] flush_tlb_batched_pending+0x6e/0xb0 [ 757.030342] unmap_page_range+0x8b5/0x1fb0 [ 757.034583] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 757.039071] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 757.044610] ? kasan_check_write+0x14/0x20 [ 757.048849] __oom_reap_task_mm+0x1fb/0x3a0 [ 757.053177] ? process_shares_mm+0x130/0x130 [ 757.057582] ? oom_reaper+0x12c/0x1160 [ 757.061476] ? __lock_is_held+0xb6/0x140 [ 757.065539] oom_reaper+0x246/0x1160 [ 757.069264] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 757.073751] ? trace_hardirqs_on+0x67/0x220 [ 757.078078] ? finish_wait+0x260/0x260 [ 757.081962] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 757.087058] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 757.092589] ? __kthread_parkme+0xfb/0x1b0 [ 757.096818] kthread+0x354/0x420 [ 757.100198] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 757.104692] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 757.110316] ret_from_fork+0x24/0x30 [ 757.114038] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 757.114157] aoe: skb alloc failure [ 757.121925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 757.121930] Call Trace: [ 757.121936] [ 757.121953] dump_stack+0x197/0x210 [ 757.121974] warn_alloc.cold+0x7b/0x173 [ 757.125514] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 757.134849] ? zone_watermark_ok_safe+0x260/0x260 [ 757.137404] oom_reaper cpuset=/ mems_allowed=0-1 [ 757.139554] ? __cpuset_node_allowed+0x136/0x540 [ 757.171680] ? __isolate_free_page+0x4c0/0x4c0 [ 757.176257] ? wake_all_kswapds+0x14d/0x300 [ 757.180578] __alloc_pages_slowpath+0x2214/0x2870 [ 757.185429] ? warn_alloc+0x110/0x110 [ 757.189224] ? __lock_acquire+0x6ee/0x49c0 [ 757.193486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.199110] ? should_fail+0x14d/0x85c [ 757.202992] ? __isolate_free_page+0x4c0/0x4c0 [ 757.207572] __alloc_pages_nodemask+0x617/0x750 [ 757.212248] ? __alloc_pages_slowpath+0x2870/0x2870 [ 757.217262] ? find_held_lock+0x35/0x130 [ 757.221343] cache_grow_begin+0x91/0x8c0 [ 757.225407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.230962] ? __cpuset_node_allowed+0x136/0x540 [ 757.235723] fallback_alloc+0x1fd/0x2d0 [ 757.239703] ____cache_alloc_node+0x1be/0x1e0 [ 757.244197] kmem_cache_alloc_node+0xe3/0x710 [ 757.248697] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 757.252941] __alloc_skb+0xd5/0x5f0 [ 757.256563] ? skb_trim+0x190/0x190 [ 757.260197] ? kasan_check_read+0x11/0x20 [ 757.264344] ndisc_alloc_skb+0x13c/0x340 [ 757.268396] ndisc_send_rs+0x35f/0x6e0 [ 757.272281] addrconf_rs_timer+0x30f/0x680 [ 757.276509] ? ipv6_get_lladdr+0x490/0x490 [ 757.280759] call_timer_fn+0x18d/0x720 [ 757.284640] ? ipv6_get_lladdr+0x490/0x490 [ 757.288878] ? process_timeout+0x40/0x40 [ 757.292939] ? run_timer_softirq+0x644/0x16a0 [ 757.297447] ? trace_hardirqs_on+0x67/0x220 [ 757.301762] ? ipv6_get_lladdr+0x490/0x490 [ 757.305993] run_timer_softirq+0x64f/0x16a0 [ 757.310316] ? add_timer+0xbe0/0xbe0 [ 757.314048] ? __lock_is_held+0xb6/0x140 [ 757.318139] __do_softirq+0x25c/0x921 [ 757.321943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.327753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.333310] irq_exit+0x180/0x1d0 [ 757.336757] smp_apic_timer_interrupt+0x13b/0x550 [ 757.341592] apic_timer_interrupt+0xf/0x20 [ 757.345812] [ 757.348043] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 757.352966] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 757.372048] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 757.380136] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 757.387418] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 757.394690] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 757.401955] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 757.409220] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 757.416538] skb_clone+0x156/0x3e0 [ 757.420083] bpf_clone_redirect+0xb2/0x480 [ 757.424318] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 757.429328] ? 0xffffffff81000000 [ 757.432786] ? mark_held_locks+0x100/0x100 [ 757.437023] ? trace_hardirqs_on_caller+0x6a/0x220 [ 757.441954] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 757.446709] ? bpf_test_run+0x146/0x430 [ 757.450679] ? find_held_lock+0x35/0x130 [ 757.454759] ? bpf_test_run+0x146/0x430 [ 757.458766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.464304] ? check_preemption_disabled+0x48/0x290 [ 757.469323] ? lock_acquire+0x16f/0x3f0 [ 757.473317] ? kasan_check_read+0x11/0x20 [ 757.477471] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 757.482665] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 757.488197] bpf_test_run+0x10d/0x430 [ 757.492000] bpf_prog_test_run_skb+0x64b/0xb20 [ 757.496581] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 757.501441] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 757.506988] ? fput+0x128/0x1a0 [ 757.510274] ? __bpf_prog_get+0x97/0x290 [ 757.515374] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 757.520222] bpf_prog_test_run+0x129/0x1a0 [ 757.524454] __x64_sys_bpf+0x397/0x4c0 [ 757.528340] ? bpf_prog_get+0x20/0x20 [ 757.532142] ? do_syscall_64+0x26/0x620 [ 757.536124] ? lockdep_hardirqs_on+0x415/0x5d0 [ 757.540713] ? trace_hardirqs_on+0x67/0x220 [ 757.545033] do_syscall_64+0xfd/0x620 [ 757.548848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 757.554032] RIP: 0033:0x45af49 [ 757.557240] Code: Bad RIP value. [ 757.560593] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 757.568305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 757.575669] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 757.582940] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 757.590201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 757.597723] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 757.604999] warn_alloc_show_mem: 1 callbacks suppressed [ 757.605009] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 757.605017] Mem-Info: [ 757.605046] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 757.605046] active_file:13 inactive_file:11 isolated_file:0 [ 757.605046] unevictable:0 dirty:0 writeback:0 unstable:0 [ 757.605046] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 757.605046] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 757.605046] free:10923 free_pcp:135 free_cma:0 [ 757.610396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 757.610403] Call Trace: [ 757.617789] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 757.620181] [ 757.653247] Node 1 active_anon:1432kB 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 [ 757.662588] dump_stack+0x197/0x210 [ 757.665146] Node 0 DMA free:10256kB 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 [ 757.692658] warn_alloc.cold+0x7b/0x173 [ 757.694781] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 757.720727] ? zone_watermark_ok_safe+0x260/0x260 [ 757.724328] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 757.750456] ? __cpuset_node_allowed+0x136/0x540 [ 757.754403] lowmem_reserve[]: 0 0 1 1 1 [ 757.760220] ? __isolate_free_page+0x4c0/0x4c0 [ 757.765036] 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 [ 757.793669] ? wake_all_kswapds+0x14d/0x300 [ 757.798397] lowmem_reserve[]: 0 0 0 0 0 [ 757.802396] __alloc_pages_slowpath+0x2214/0x2870 [ 757.806946] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 757.832872] ? warn_alloc+0x110/0x110 [ 757.837174] lowmem_reserve[]: 0 0 0 0 0 [ 757.841142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.845957] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 757.873802] ? should_fail+0x14d/0x85c [ 757.877579] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 757.882171] ? __isolate_free_page+0x4c0/0x4c0 [ 757.887678] 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 [ 757.899567] __alloc_pages_nodemask+0x617/0x750 [ 757.903432] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 757.918388] ? __alloc_pages_slowpath+0x2870/0x2870 [ 757.922954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 757.933625] cache_grow_begin+0x91/0x8c0 [ 757.938292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 757.953373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.958371] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 757.967193] ? __cpuset_node_allowed+0x136/0x540 [ 757.971358] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 757.980018] fallback_alloc+0x1fd/0x2d0 [ 757.985531] 269 total pagecache pages [ 757.994367] ____cache_alloc_node+0x1be/0x1e0 [ 757.999119] 0 pages in swap cache [ 758.007685] kmem_cache_alloc_node+0xe3/0x710 [ 758.011644] Swap cache stats: add 0, delete 0, find 0/0 [ 758.015456] __alloc_skb+0xd5/0x5f0 [ 758.019922] Free swap = 0kB [ 758.023383] ? skb_trim+0x190/0x190 [ 758.027848] Total swap = 0kB [ 758.027857] 1965979 pages RAM [ 758.033474] ? check_preemption_disabled+0x48/0x290 [ 758.037083] 0 pages HighMem/MovableOnly [ 758.037093] 341723 pages reserved [ 758.040184] ? lock_acquire+0x16f/0x3f0 [ 758.043910] 0 pages cma reserved [ 758.043979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 758.046950] new_skb+0x28/0x1d0 [ 758.050120] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 758.055151] aoecmd_cfg+0x1b5/0x640 [ 758.059117] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 758.062565] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 758.103461] ? timer_reduce+0x11d0/0x11d0 [ 758.107622] discover_timer+0x4e/0x60 [ 758.111441] call_timer_fn+0x18d/0x720 [ 758.115330] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 758.119994] ? process_timeout+0x40/0x40 [ 758.124047] ? run_timer_softirq+0x644/0x16a0 [ 758.128542] ? trace_hardirqs_on+0x67/0x220 [ 758.132875] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 758.137537] run_timer_softirq+0x64f/0x16a0 [ 758.143086] ? add_timer+0xbe0/0xbe0 [ 758.146808] ? __lock_is_held+0xb6/0x140 [ 758.150876] __do_softirq+0x25c/0x921 [ 758.154677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.160206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.165746] irq_exit+0x180/0x1d0 [ 758.169196] smp_apic_timer_interrupt+0x13b/0x550 [ 758.174051] apic_timer_interrupt+0xf/0x20 [ 758.178387] [ 758.180636] RIP: 0010:smp_call_function_single+0x139/0x420 [ 758.186277] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 758.205184] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 758.212891] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 758.220150] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 758.227416] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 758.234679] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 758.241949] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 758.249227] ? smp_call_function_single+0x14c/0x420 [ 758.254236] ? smp_call_function_single+0x137/0x420 [ 758.259266] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 758.265073] ? generic_exec_single+0x490/0x490 [ 758.269663] ? __lock_acquire+0x6ee/0x49c0 [ 758.273891] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 758.280294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 758.285304] ? find_next_and_bit+0x19a/0x200 [ 758.289741] smp_call_function_many+0x75f/0x8e0 [ 758.294959] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 758.300783] native_flush_tlb_others+0x81/0x420 [ 758.305455] flush_tlb_mm_range+0x21c/0x350 [ 758.309777] ? native_flush_tlb_others+0x420/0x420 [ 758.314714] ? lock_acquire+0x16f/0x3f0 [ 758.318693] ? kasan_check_write+0x14/0x20 [ 758.322952] flush_tlb_batched_pending+0x6e/0xb0 [ 758.327796] unmap_page_range+0x8b5/0x1fb0 [ 758.332305] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 758.337232] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.342767] ? kasan_check_write+0x14/0x20 [ 758.347000] __oom_reap_task_mm+0x1fb/0x3a0 [ 758.351318] ? process_shares_mm+0x130/0x130 [ 758.355728] ? oom_reaper+0x12c/0x1160 [ 758.360140] ? __lock_is_held+0xb6/0x140 [ 758.364217] oom_reaper+0x246/0x1160 [ 758.367955] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 758.372452] ? trace_hardirqs_on+0x67/0x220 [ 758.376796] ? finish_wait+0x260/0x260 [ 758.380680] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 758.385798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.391340] ? __kthread_parkme+0xfb/0x1b0 [ 758.395571] kthread+0x354/0x420 [ 758.398951] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 758.403477] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 758.409037] ret_from_fork+0x24/0x30 [ 758.412781] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 758.412836] aoe: skb alloc failure [ 758.420583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.420587] Call Trace: [ 758.420594] [ 758.420611] dump_stack+0x197/0x210 [ 758.420628] warn_alloc.cold+0x7b/0x173 [ 758.424207] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 758.433543] ? zone_watermark_ok_safe+0x260/0x260 [ 758.436100] oom_reaper cpuset=/ mems_allowed=0-1 [ 758.438275] ? __cpuset_node_allowed+0x136/0x540 [ 758.470523] ? __isolate_free_page+0x4c0/0x4c0 [ 758.476330] ? wake_all_kswapds+0x14d/0x300 [ 758.480666] __alloc_pages_slowpath+0x2214/0x2870 [ 758.485522] ? warn_alloc+0x110/0x110 [ 758.489339] ? __lock_acquire+0x6ee/0x49c0 [ 758.493579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.499121] ? should_fail+0x14d/0x85c [ 758.503021] ? __isolate_free_page+0x4c0/0x4c0 [ 758.507631] __alloc_pages_nodemask+0x617/0x750 [ 758.512352] ? __alloc_pages_slowpath+0x2870/0x2870 [ 758.517528] ? find_held_lock+0x35/0x130 [ 758.521595] cache_grow_begin+0x91/0x8c0 [ 758.525670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.531218] ? __cpuset_node_allowed+0x136/0x540 [ 758.536039] fallback_alloc+0x1fd/0x2d0 [ 758.540054] ____cache_alloc_node+0x1be/0x1e0 [ 758.544590] kmem_cache_alloc_node+0xe3/0x710 [ 758.549108] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 758.553352] __alloc_skb+0xd5/0x5f0 [ 758.556982] ? skb_trim+0x190/0x190 [ 758.560613] ? kasan_check_read+0x11/0x20 [ 758.564773] ndisc_alloc_skb+0x13c/0x340 [ 758.568841] ndisc_send_rs+0x35f/0x6e0 [ 758.572730] addrconf_rs_timer+0x30f/0x680 [ 758.576959] ? ipv6_get_lladdr+0x490/0x490 [ 758.581215] call_timer_fn+0x18d/0x720 [ 758.585118] ? ipv6_get_lladdr+0x490/0x490 [ 758.589355] ? process_timeout+0x40/0x40 [ 758.593415] ? run_timer_softirq+0x644/0x16a0 [ 758.597922] ? trace_hardirqs_on+0x67/0x220 [ 758.602246] ? ipv6_get_lladdr+0x490/0x490 [ 758.606492] run_timer_softirq+0x64f/0x16a0 [ 758.610822] ? add_timer+0xbe0/0xbe0 [ 758.614539] ? __lock_is_held+0xb6/0x140 [ 758.618604] __do_softirq+0x25c/0x921 [ 758.622401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.627927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.633483] irq_exit+0x180/0x1d0 [ 758.636949] smp_apic_timer_interrupt+0x13b/0x550 [ 758.641812] apic_timer_interrupt+0xf/0x20 [ 758.646047] [ 758.648282] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 758.653210] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 758.672120] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 758.679823] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 758.687077] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 758.694336] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 758.701607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 758.708867] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 758.716156] skb_clone+0x156/0x3e0 [ 758.719692] bpf_clone_redirect+0xb2/0x480 [ 758.724047] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 758.729053] ? 0xffffffff81000000 [ 758.732504] ? mark_held_locks+0x100/0x100 [ 758.736730] ? trace_hardirqs_on_caller+0x6a/0x220 [ 758.741655] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 758.746405] ? bpf_test_run+0x146/0x430 [ 758.750374] ? find_held_lock+0x35/0x130 [ 758.754510] ? bpf_test_run+0x146/0x430 [ 758.758480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.764007] ? check_preemption_disabled+0x48/0x290 [ 758.769032] ? lock_acquire+0x16f/0x3f0 [ 758.773015] ? kasan_check_read+0x11/0x20 [ 758.777166] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 758.782357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.787892] bpf_test_run+0x10d/0x430 [ 758.791700] bpf_prog_test_run_skb+0x64b/0xb20 [ 758.796280] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 758.801115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 758.806658] ? fput+0x128/0x1a0 [ 758.809930] ? __bpf_prog_get+0x97/0x290 [ 758.813983] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 758.818822] bpf_prog_test_run+0x129/0x1a0 [ 758.823050] __x64_sys_bpf+0x397/0x4c0 [ 758.826928] ? bpf_prog_get+0x20/0x20 [ 758.830727] ? do_syscall_64+0x26/0x620 [ 758.834697] ? lockdep_hardirqs_on+0x415/0x5d0 [ 758.839272] ? trace_hardirqs_on+0x67/0x220 [ 758.843935] do_syscall_64+0xfd/0x620 [ 758.847746] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 758.852923] RIP: 0033:0x45af49 [ 758.856119] Code: Bad RIP value. [ 758.859476] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 758.867173] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 758.874442] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 758.881705] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 758.888976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 758.896243] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 758.903535] warn_alloc_show_mem: 1 callbacks suppressed [ 758.903546] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 758.903548] Mem-Info: [ 758.903578] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 758.903578] active_file:13 inactive_file:11 isolated_file:0 [ 758.903578] unevictable:0 dirty:0 writeback:0 unstable:0 [ 758.903578] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 758.903578] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 758.903578] free:10923 free_pcp:135 free_cma:0 [ 758.908917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.916280] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 758.918670] Call Trace: [ 758.951810] Node 1 active_anon:1432kB 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 [ 758.961221] [ 758.988645] Node 0 DMA free:10256kB 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 [ 758.991236] dump_stack+0x197/0x210 [ 759.017245] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 759.019393] warn_alloc.cold+0x7b/0x173 [ 759.045493] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 759.049115] ? zone_watermark_ok_safe+0x260/0x260 [ 759.054105] lowmem_reserve[]: 0 0 1 1 1 [ 759.058087] ? __cpuset_node_allowed+0x136/0x540 [ 759.087122] 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 [ 759.091967] ? __isolate_free_page+0x4c0/0x4c0 [ 759.095908] lowmem_reserve[]: 0 0 0 0 0 [ 759.100654] ? wake_all_kswapds+0x14d/0x300 [ 759.126564] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 759.131165] __alloc_pages_slowpath+0x2214/0x2870 [ 759.135099] lowmem_reserve[]: 0 0 0 0 0 [ 759.139445] ? warn_alloc+0x110/0x110 [ 759.168203] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 759.173160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.177104] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 759.180918] ? should_fail+0x14d/0x85c [ 759.192678] 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 [ 759.198225] ? __isolate_free_page+0x4c0/0x4c0 [ 759.212957] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 759.216849] __alloc_pages_nodemask+0x617/0x750 [ 759.227481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 759.232064] ? __alloc_pages_slowpath+0x2870/0x2870 [ 759.247134] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 759.251813] cache_grow_begin+0x91/0x8c0 [ 759.260610] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 759.260623] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 759.265640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.274189] 269 total pagecache pages [ 759.278239] ? __cpuset_node_allowed+0x136/0x540 [ 759.287062] 0 pages in swap cache [ 759.295634] fallback_alloc+0x1fd/0x2d0 [ 759.301140] Swap cache stats: add 0, delete 0, find 0/0 [ 759.301147] Free swap = 0kB [ 759.304952] ____cache_alloc_node+0x1be/0x1e0 [ 759.309682] Total swap = 0kB [ 759.313135] kmem_cache_alloc_node+0xe3/0x710 [ 759.317082] 1965979 pages RAM [ 759.322441] __alloc_skb+0xd5/0x5f0 [ 759.325445] 0 pages HighMem/MovableOnly [ 759.329941] ? skb_trim+0x190/0x190 [ 759.332941] 341723 pages reserved [ 759.337447] ? check_preemption_disabled+0x48/0x290 [ 759.340541] 0 pages cma reserved [ 759.344175] ? lock_acquire+0x16f/0x3f0 [ 759.348198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 759.351779] new_skb+0x28/0x1d0 [ 759.355475] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 759.360272] aoecmd_cfg+0x1b5/0x640 [ 759.363632] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 759.367669] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 759.367691] ? timer_reduce+0x11d0/0x11d0 [ 759.405646] discover_timer+0x4e/0x60 [ 759.409443] call_timer_fn+0x18d/0x720 [ 759.413327] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 759.417988] ? process_timeout+0x40/0x40 [ 759.422044] ? run_timer_softirq+0x644/0x16a0 [ 759.426540] ? trace_hardirqs_on+0x67/0x220 [ 759.431032] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 759.435696] run_timer_softirq+0x64f/0x16a0 [ 759.440016] ? add_timer+0xbe0/0xbe0 [ 759.443726] ? __lock_is_held+0xb6/0x140 [ 759.447916] __do_softirq+0x25c/0x921 [ 759.451725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.457286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.462852] irq_exit+0x180/0x1d0 [ 759.466305] smp_apic_timer_interrupt+0x13b/0x550 [ 759.471151] apic_timer_interrupt+0xf/0x20 [ 759.475383] [ 759.477615] RIP: 0010:smp_call_function_single+0x139/0x420 [ 759.483239] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 759.502355] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 759.510061] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 759.517322] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 759.524629] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 759.531928] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 759.539194] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 759.546492] ? smp_call_function_single+0x14c/0x420 [ 759.551503] ? smp_call_function_single+0x137/0x420 [ 759.556519] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 759.562310] ? generic_exec_single+0x490/0x490 [ 759.566883] ? __lock_acquire+0x6ee/0x49c0 [ 759.571213] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 759.577023] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 759.582034] ? find_next_and_bit+0x19a/0x200 [ 759.586620] smp_call_function_many+0x75f/0x8e0 [ 759.591371] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 759.597166] native_flush_tlb_others+0x81/0x420 [ 759.601831] flush_tlb_mm_range+0x21c/0x350 [ 759.606264] ? native_flush_tlb_others+0x420/0x420 [ 759.611213] ? lock_acquire+0x16f/0x3f0 [ 759.615294] ? kasan_check_write+0x14/0x20 [ 759.619563] flush_tlb_batched_pending+0x6e/0xb0 [ 759.624345] unmap_page_range+0x8b5/0x1fb0 [ 759.628601] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 759.633113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 759.638652] ? kasan_check_write+0x14/0x20 [ 759.642899] __oom_reap_task_mm+0x1fb/0x3a0 [ 759.647217] ? process_shares_mm+0x130/0x130 [ 759.651625] ? oom_reaper+0x12c/0x1160 [ 759.655511] ? __lock_is_held+0xb6/0x140 [ 759.659576] oom_reaper+0x246/0x1160 [ 759.663353] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 759.667845] ? trace_hardirqs_on+0x67/0x220 [ 759.672179] ? finish_wait+0x260/0x260 [ 759.676073] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 759.681190] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 759.686732] ? __kthread_parkme+0xfb/0x1b0 [ 759.690965] kthread+0x354/0x420 [ 759.694323] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 759.698811] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 759.704347] ret_from_fork+0x24/0x30 [ 759.708072] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 759.708130] aoe: skb alloc failure [ 759.715884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 759.715893] Call Trace: [ 759.719475] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 759.728762] [ 759.731330] oom_reaper cpuset=/ mems_allowed=0-1 [ 759.741563] dump_stack+0x197/0x210 [ 759.752135] warn_alloc.cold+0x7b/0x173 [ 759.756106] ? zone_watermark_ok_safe+0x260/0x260 [ 759.760942] ? __cpuset_node_allowed+0x136/0x540 [ 759.765701] ? __isolate_free_page+0x4c0/0x4c0 [ 759.770277] ? wake_all_kswapds+0x14d/0x300 [ 759.774619] __alloc_pages_slowpath+0x2214/0x2870 [ 759.779470] ? warn_alloc+0x110/0x110 [ 759.783265] ? __lock_acquire+0x6ee/0x49c0 [ 759.787516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.793052] ? should_fail+0x14d/0x85c [ 759.796936] ? __isolate_free_page+0x4c0/0x4c0 [ 759.801537] __alloc_pages_nodemask+0x617/0x750 [ 759.806214] ? __alloc_pages_slowpath+0x2870/0x2870 [ 759.811231] ? find_held_lock+0x35/0x130 [ 759.815289] cache_grow_begin+0x91/0x8c0 [ 759.819868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.825408] ? __cpuset_node_allowed+0x136/0x540 [ 759.830160] fallback_alloc+0x1fd/0x2d0 [ 759.834133] ____cache_alloc_node+0x1be/0x1e0 [ 759.838623] kmem_cache_alloc_node+0xe3/0x710 [ 759.843129] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 759.847363] __alloc_skb+0xd5/0x5f0 [ 759.850986] ? skb_trim+0x190/0x190 [ 759.854613] ? kasan_check_read+0x11/0x20 [ 759.858762] ndisc_alloc_skb+0x13c/0x340 [ 759.862817] ndisc_send_rs+0x35f/0x6e0 [ 759.866714] addrconf_rs_timer+0x30f/0x680 [ 759.870959] ? ipv6_get_lladdr+0x490/0x490 [ 759.875193] call_timer_fn+0x18d/0x720 [ 759.879071] ? ipv6_get_lladdr+0x490/0x490 [ 759.883296] ? process_timeout+0x40/0x40 [ 759.887349] ? run_timer_softirq+0x644/0x16a0 [ 759.891840] ? trace_hardirqs_on+0x67/0x220 [ 759.896157] ? ipv6_get_lladdr+0x490/0x490 [ 759.900381] run_timer_softirq+0x64f/0x16a0 [ 759.904699] ? add_timer+0xbe0/0xbe0 [ 759.908405] ? __lock_is_held+0xb6/0x140 [ 759.912646] __do_softirq+0x25c/0x921 [ 759.916448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.921979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 759.927517] irq_exit+0x180/0x1d0 [ 759.930977] smp_apic_timer_interrupt+0x13b/0x550 [ 759.935817] apic_timer_interrupt+0xf/0x20 [ 759.940153] [ 759.942383] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 759.947311] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 759.966346] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 759.974052] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 759.981326] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 759.988601] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 759.995861] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 760.003206] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 760.010513] skb_clone+0x156/0x3e0 [ 760.014067] bpf_clone_redirect+0xb2/0x480 [ 760.019340] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 760.024354] ? 0xffffffff81000000 [ 760.027810] ? mark_held_locks+0x100/0x100 [ 760.032045] ? trace_hardirqs_on_caller+0x6a/0x220 [ 760.036996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 760.041770] ? bpf_test_run+0x146/0x430 [ 760.046115] ? find_held_lock+0x35/0x130 [ 760.050178] ? bpf_test_run+0x146/0x430 [ 760.055720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.061254] ? check_preemption_disabled+0x48/0x290 [ 760.066261] ? lock_acquire+0x16f/0x3f0 [ 760.070771] ? kasan_check_read+0x11/0x20 [ 760.074910] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 760.080092] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 760.085618] bpf_test_run+0x10d/0x430 [ 760.089430] bpf_prog_test_run_skb+0x64b/0xb20 [ 760.094469] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 760.099304] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 760.104836] ? fput+0x128/0x1a0 [ 760.108119] ? __bpf_prog_get+0x97/0x290 [ 760.112171] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 760.117006] bpf_prog_test_run+0x129/0x1a0 [ 760.121232] __x64_sys_bpf+0x397/0x4c0 [ 760.125112] ? bpf_prog_get+0x20/0x20 [ 760.128913] ? do_syscall_64+0x26/0x620 [ 760.132879] ? lockdep_hardirqs_on+0x415/0x5d0 [ 760.137626] ? trace_hardirqs_on+0x67/0x220 [ 760.142118] do_syscall_64+0xfd/0x620 [ 760.145922] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 760.151098] RIP: 0033:0x45af49 [ 760.154379] Code: Bad RIP value. [ 760.157732] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 760.165553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 760.172813] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 760.180071] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 760.187328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 760.194592] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 760.201862] warn_alloc_show_mem: 1 callbacks suppressed [ 760.201873] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 760.201875] Mem-Info: [ 760.201903] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 760.201903] active_file:13 inactive_file:11 isolated_file:0 [ 760.201903] unevictable:0 dirty:0 writeback:0 unstable:0 [ 760.201903] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 760.201903] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 760.201903] free:10923 free_pcp:135 free_cma:0 [ 760.207247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 760.214611] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 760.217016] Call Trace: [ 760.250779] Node 1 active_anon:1432kB 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 [ 760.260103] [ 760.288030] Node 0 DMA free:10256kB 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 [ 760.290620] dump_stack+0x197/0x210 [ 760.316518] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 760.318690] warn_alloc.cold+0x7b/0x173 [ 760.344793] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 760.348435] ? zone_watermark_ok_safe+0x260/0x260 [ 760.353413] lowmem_reserve[]: 0 0 1 1 1 [ 760.357381] ? __cpuset_node_allowed+0x136/0x540 [ 760.386162] 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 [ 760.391006] ? __isolate_free_page+0x4c0/0x4c0 [ 760.394945] lowmem_reserve[]: 0 0 0 0 0 [ 760.399696] ? wake_all_kswapds+0x14d/0x300 [ 760.425430] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 760.430048] __alloc_pages_slowpath+0x2214/0x2870 [ 760.434015] lowmem_reserve[]: 0 0 0 0 0 [ 760.438368] ? warn_alloc+0x110/0x110 [ 760.466533] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 760.471373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.475317] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 760.479210] ? should_fail+0x14d/0x85c [ 760.490991] 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 [ 760.496674] ? __isolate_free_page+0x4c0/0x4c0 [ 760.511433] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 760.515340] __alloc_pages_nodemask+0x617/0x750 [ 760.525963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 760.530535] ? __alloc_pages_slowpath+0x2870/0x2870 [ 760.545596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 760.545609] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 760.550278] cache_grow_begin+0x91/0x8c0 [ 760.559071] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 760.559078] 269 total pagecache pages [ 760.564094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.572742] 0 pages in swap cache [ 760.581565] ? __cpuset_node_allowed+0x136/0x540 [ 760.585598] Swap cache stats: add 0, delete 0, find 0/0 [ 760.585605] Free swap = 0kB [ 760.594256] fallback_alloc+0x1fd/0x2d0 [ 760.598048] Total swap = 0kB [ 760.598058] 1965979 pages RAM [ 760.603617] ____cache_alloc_node+0x1be/0x1e0 [ 760.607052] 0 pages HighMem/MovableOnly [ 760.607062] 341723 pages reserved [ 760.611836] kmem_cache_alloc_node+0xe3/0x710 [ 760.617174] 0 pages cma reserved [ 760.617244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 760.620203] __alloc_skb+0xd5/0x5f0 [ 760.620221] ? skb_trim+0x190/0x190 [ 760.624221] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 760.627181] ? check_preemption_disabled+0x48/0x290 [ 760.630261] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 760.634753] ? lock_acquire+0x16f/0x3f0 [ 760.688517] new_skb+0x28/0x1d0 [ 760.691794] aoecmd_cfg+0x1b5/0x640 [ 760.695423] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 760.699752] ? timer_reduce+0x11d0/0x11d0 [ 760.703899] discover_timer+0x4e/0x60 [ 760.707689] call_timer_fn+0x18d/0x720 [ 760.711567] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 760.716225] ? process_timeout+0x40/0x40 [ 760.720282] ? run_timer_softirq+0x644/0x16a0 [ 760.724772] ? trace_hardirqs_on+0x67/0x220 [ 760.729088] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 760.733749] run_timer_softirq+0x64f/0x16a0 [ 760.738067] ? add_timer+0xbe0/0xbe0 [ 760.741776] ? __lock_is_held+0xb6/0x140 [ 760.745843] __do_softirq+0x25c/0x921 [ 760.749633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.755159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.760700] irq_exit+0x180/0x1d0 [ 760.764153] smp_apic_timer_interrupt+0x13b/0x550 [ 760.768990] apic_timer_interrupt+0xf/0x20 [ 760.773210] [ 760.775445] RIP: 0010:smp_call_function_single+0x139/0x420 [ 760.781063] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 760.799952] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 760.807650] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 760.814921] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 760.822179] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 760.830043] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 760.837299] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 760.844658] ? smp_call_function_single+0x14c/0x420 [ 760.849664] ? smp_call_function_single+0x137/0x420 [ 760.854675] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 760.860474] ? generic_exec_single+0x490/0x490 [ 760.865132] ? __lock_acquire+0x6ee/0x49c0 [ 760.869461] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 760.875248] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 760.880256] ? find_next_and_bit+0x19a/0x200 [ 760.884675] smp_call_function_many+0x75f/0x8e0 [ 760.889337] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 760.895133] native_flush_tlb_others+0x81/0x420 [ 760.899794] flush_tlb_mm_range+0x21c/0x350 [ 760.904108] ? native_flush_tlb_others+0x420/0x420 [ 760.909030] ? lock_acquire+0x16f/0x3f0 [ 760.913000] ? kasan_check_write+0x14/0x20 [ 760.917251] flush_tlb_batched_pending+0x6e/0xb0 [ 760.921997] unmap_page_range+0x8b5/0x1fb0 [ 760.926237] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 760.930726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 760.936267] ? kasan_check_write+0x14/0x20 [ 760.940497] __oom_reap_task_mm+0x1fb/0x3a0 [ 760.944823] ? process_shares_mm+0x130/0x130 [ 760.949225] ? oom_reaper+0x12c/0x1160 [ 760.953110] ? __lock_is_held+0xb6/0x140 [ 760.957170] oom_reaper+0x246/0x1160 [ 760.960884] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 760.965373] ? trace_hardirqs_on+0x67/0x220 [ 760.969696] ? finish_wait+0x260/0x260 [ 760.973584] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 760.978687] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 760.984219] ? __kthread_parkme+0xfb/0x1b0 [ 760.988448] kthread+0x354/0x420 [ 760.991808] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 760.996298] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 761.002102] ret_from_fork+0x24/0x30 [ 761.005822] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 761.005882] aoe: skb alloc failure [ 761.013618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 761.013623] Call Trace: [ 761.013629] [ 761.013645] dump_stack+0x197/0x210 [ 761.013663] warn_alloc.cold+0x7b/0x173 [ 761.017213] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 761.026543] ? zone_watermark_ok_safe+0x260/0x260 [ 761.029112] oom_reaper cpuset=/ mems_allowed=0-1 [ 761.031280] ? __cpuset_node_allowed+0x136/0x540 [ 761.064508] ? __isolate_free_page+0x4c0/0x4c0 [ 761.069089] ? wake_all_kswapds+0x14d/0x300 [ 761.073409] __alloc_pages_slowpath+0x2214/0x2870 [ 761.078260] ? warn_alloc+0x110/0x110 [ 761.082053] ? __lock_acquire+0x6ee/0x49c0 [ 761.086282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.091810] ? should_fail+0x14d/0x85c [ 761.095692] ? __isolate_free_page+0x4c0/0x4c0 [ 761.100278] __alloc_pages_nodemask+0x617/0x750 [ 761.106332] ? __alloc_pages_slowpath+0x2870/0x2870 [ 761.111364] ? find_held_lock+0x35/0x130 [ 761.115560] cache_grow_begin+0x91/0x8c0 [ 761.119904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.125444] ? __cpuset_node_allowed+0x136/0x540 [ 761.130202] fallback_alloc+0x1fd/0x2d0 [ 761.134216] ____cache_alloc_node+0x1be/0x1e0 [ 761.140187] kmem_cache_alloc_node+0xe3/0x710 [ 761.144678] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 761.148997] __alloc_skb+0xd5/0x5f0 [ 761.152622] ? skb_trim+0x190/0x190 [ 761.156239] ? kasan_check_read+0x11/0x20 [ 761.160387] ndisc_alloc_skb+0x13c/0x340 [ 761.164443] ndisc_send_rs+0x35f/0x6e0 [ 761.168326] addrconf_rs_timer+0x30f/0x680 [ 761.172554] ? ipv6_get_lladdr+0x490/0x490 [ 761.176791] call_timer_fn+0x18d/0x720 [ 761.180759] ? ipv6_get_lladdr+0x490/0x490 [ 761.184986] ? process_timeout+0x40/0x40 [ 761.189036] ? run_timer_softirq+0x644/0x16a0 [ 761.193524] ? trace_hardirqs_on+0x67/0x220 [ 761.197842] ? ipv6_get_lladdr+0x490/0x490 [ 761.202067] run_timer_softirq+0x64f/0x16a0 [ 761.206385] ? add_timer+0xbe0/0xbe0 [ 761.210092] ? __lock_is_held+0xb6/0x140 [ 761.214157] __do_softirq+0x25c/0x921 [ 761.217961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.223488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.229028] irq_exit+0x180/0x1d0 [ 761.232474] smp_apic_timer_interrupt+0x13b/0x550 [ 761.237311] apic_timer_interrupt+0xf/0x20 [ 761.241530] [ 761.243759] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 761.248682] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 761.267579] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 761.275302] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 761.283517] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 761.290775] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 761.298031] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 761.305290] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 761.312581] skb_clone+0x156/0x3e0 [ 761.316119] bpf_clone_redirect+0xb2/0x480 [ 761.320354] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 761.325358] ? 0xffffffff81000000 [ 761.328810] ? mark_held_locks+0x100/0x100 [ 761.333054] ? trace_hardirqs_on_caller+0x6a/0x220 [ 761.337996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 761.342769] ? bpf_test_run+0x146/0x430 [ 761.346743] ? find_held_lock+0x35/0x130 [ 761.350811] ? bpf_test_run+0x146/0x430 [ 761.354789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.360331] ? check_preemption_disabled+0x48/0x290 [ 761.365339] ? lock_acquire+0x16f/0x3f0 [ 761.369311] ? kasan_check_read+0x11/0x20 [ 761.373450] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 761.378634] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 761.384171] bpf_test_run+0x10d/0x430 [ 761.387972] bpf_prog_test_run_skb+0x64b/0xb20 [ 761.393083] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 761.397915] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 761.403454] ? fput+0x128/0x1a0 [ 761.406725] ? __bpf_prog_get+0x97/0x290 [ 761.410774] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 761.415610] bpf_prog_test_run+0x129/0x1a0 [ 761.419837] __x64_sys_bpf+0x397/0x4c0 [ 761.423793] ? bpf_prog_get+0x20/0x20 [ 761.427639] ? do_syscall_64+0x26/0x620 [ 761.431796] ? lockdep_hardirqs_on+0x415/0x5d0 [ 761.436375] ? trace_hardirqs_on+0x67/0x220 [ 761.440693] do_syscall_64+0xfd/0x620 [ 761.444498] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 761.449681] RIP: 0033:0x45af49 [ 761.452877] Code: Bad RIP value. [ 761.456239] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 761.463937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 761.471204] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 761.478469] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 761.487030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 761.494290] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 761.501589] warn_alloc_show_mem: 1 callbacks suppressed [ 761.501600] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 761.501602] Mem-Info: [ 761.501632] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 761.501632] active_file:13 inactive_file:11 isolated_file:0 [ 761.501632] unevictable:0 dirty:0 writeback:0 unstable:0 [ 761.501632] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 761.501632] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 761.501632] free:10923 free_pcp:135 free_cma:0 [ 761.506970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 761.514385] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 761.516802] Call Trace: [ 761.549954] Node 1 active_anon:1432kB 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 [ 761.559281] [ 761.587200] Node 0 DMA free:10256kB 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 [ 761.589787] dump_stack+0x197/0x210 [ 761.615769] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 761.617924] warn_alloc.cold+0x7b/0x173 [ 761.644005] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 761.647640] ? zone_watermark_ok_safe+0x260/0x260 [ 761.652621] lowmem_reserve[]: 0 0 1 1 1 [ 761.656592] ? __cpuset_node_allowed+0x136/0x540 [ 761.685345] 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 [ 761.690207] ? __isolate_free_page+0x4c0/0x4c0 [ 761.694146] lowmem_reserve[]: 0 0 0 0 0 [ 761.698921] ? wake_all_kswapds+0x14d/0x300 [ 761.724655] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 761.729240] __alloc_pages_slowpath+0x2214/0x2870 [ 761.733183] lowmem_reserve[]: 0 0 0 0 0 [ 761.737527] ? warn_alloc+0x110/0x110 [ 761.765483] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 761.770336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.774277] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 761.778074] ? should_fail+0x14d/0x85c [ 761.789919] 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 [ 761.795453] ? __isolate_free_page+0x4c0/0x4c0 [ 761.810165] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 761.814054] __alloc_pages_nodemask+0x617/0x750 [ 761.824687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 761.829259] ? __alloc_pages_slowpath+0x2870/0x2870 [ 761.844327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 761.848991] cache_grow_begin+0x91/0x8c0 [ 761.857796] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 761.862806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.871359] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 761.871368] 269 total pagecache pages [ 761.875417] ? __cpuset_node_allowed+0x136/0x540 [ 761.884233] 0 pages in swap cache [ 761.889755] fallback_alloc+0x1fd/0x2d0 [ 761.898308] Swap cache stats: add 0, delete 0, find 0/0 [ 761.902110] ____cache_alloc_node+0x1be/0x1e0 [ 761.906843] Free swap = 0kB [ 761.910285] kmem_cache_alloc_node+0xe3/0x710 [ 761.914225] Total swap = 0kB [ 761.914233] 1965979 pages RAM [ 761.919596] __alloc_skb+0xd5/0x5f0 [ 761.924064] 0 pages HighMem/MovableOnly [ 761.927082] ? skb_trim+0x190/0x190 [ 761.931570] 341723 pages reserved [ 761.931577] 0 pages cma reserved [ 761.934584] ? check_preemption_disabled+0x48/0x290 [ 761.937782] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 761.941280] ? lock_acquire+0x16f/0x3f0 [ 761.941299] new_skb+0x28/0x1d0 [ 761.945323] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 761.948889] aoecmd_cfg+0x1b5/0x640 [ 761.952317] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 761.955674] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 761.998166] ? timer_reduce+0x11d0/0x11d0 [ 762.002404] discover_timer+0x4e/0x60 [ 762.006200] call_timer_fn+0x18d/0x720 [ 762.010077] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 762.014738] ? process_timeout+0x40/0x40 [ 762.018790] ? run_timer_softirq+0x644/0x16a0 [ 762.023284] ? trace_hardirqs_on+0x67/0x220 [ 762.027599] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 762.032261] run_timer_softirq+0x64f/0x16a0 [ 762.036686] ? add_timer+0xbe0/0xbe0 [ 762.040399] ? __lock_is_held+0xb6/0x140 [ 762.044461] __do_softirq+0x25c/0x921 [ 762.048262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.053787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.059322] irq_exit+0x180/0x1d0 [ 762.062778] smp_apic_timer_interrupt+0x13b/0x550 [ 762.067629] apic_timer_interrupt+0xf/0x20 [ 762.071851] [ 762.074080] RIP: 0010:smp_call_function_single+0x139/0x420 [ 762.079696] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 762.098700] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 762.106506] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 762.113772] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 762.121038] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 762.129258] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 762.136621] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 762.143903] ? smp_call_function_single+0x14c/0x420 [ 762.148913] ? smp_call_function_single+0x137/0x420 [ 762.153930] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 762.159722] ? generic_exec_single+0x490/0x490 [ 762.164294] ? __lock_acquire+0x6ee/0x49c0 [ 762.168530] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 762.174322] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 762.179350] ? find_next_and_bit+0x19a/0x200 [ 762.183769] smp_call_function_many+0x75f/0x8e0 [ 762.188532] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 762.194356] native_flush_tlb_others+0x81/0x420 [ 762.199024] flush_tlb_mm_range+0x21c/0x350 [ 762.203346] ? native_flush_tlb_others+0x420/0x420 [ 762.208276] ? lock_acquire+0x16f/0x3f0 [ 762.212248] ? kasan_check_write+0x14/0x20 [ 762.216497] flush_tlb_batched_pending+0x6e/0xb0 [ 762.221245] unmap_page_range+0x8b5/0x1fb0 [ 762.225556] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 762.230043] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.235575] ? kasan_check_write+0x14/0x20 [ 762.239806] __oom_reap_task_mm+0x1fb/0x3a0 [ 762.244132] ? process_shares_mm+0x130/0x130 [ 762.248547] ? oom_reaper+0x12c/0x1160 [ 762.252434] ? __lock_is_held+0xb6/0x140 [ 762.256497] oom_reaper+0x246/0x1160 [ 762.260210] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 762.264720] ? trace_hardirqs_on+0x67/0x220 [ 762.269034] ? finish_wait+0x260/0x260 [ 762.272916] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 762.278022] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.283549] ? __kthread_parkme+0xfb/0x1b0 [ 762.287778] kthread+0x354/0x420 [ 762.291135] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 762.295632] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 762.301165] ret_from_fork+0x24/0x30 [ 762.304887] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 762.304945] aoe: skb alloc failure [ 762.312697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.312701] Call Trace: [ 762.312708] [ 762.312725] dump_stack+0x197/0x210 [ 762.312742] warn_alloc.cold+0x7b/0x173 [ 762.316295] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 762.325705] ? zone_watermark_ok_safe+0x260/0x260 [ 762.328269] oom_reaper cpuset=/ mems_allowed=0-1 [ 762.330428] ? __cpuset_node_allowed+0x136/0x540 [ 762.362548] ? __isolate_free_page+0x4c0/0x4c0 [ 762.367140] ? wake_all_kswapds+0x14d/0x300 [ 762.371461] __alloc_pages_slowpath+0x2214/0x2870 [ 762.376438] ? warn_alloc+0x110/0x110 [ 762.380245] ? __lock_acquire+0x6ee/0x49c0 [ 762.384493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 762.390026] ? should_fail+0x14d/0x85c [ 762.393912] ? __isolate_free_page+0x4c0/0x4c0 [ 762.398507] __alloc_pages_nodemask+0x617/0x750 [ 762.403189] ? __alloc_pages_slowpath+0x2870/0x2870 [ 762.408206] ? find_held_lock+0x35/0x130 [ 762.412265] cache_grow_begin+0x91/0x8c0 [ 762.416319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.421874] ? __cpuset_node_allowed+0x136/0x540 [ 762.426624] fallback_alloc+0x1fd/0x2d0 [ 762.430595] ____cache_alloc_node+0x1be/0x1e0 [ 762.435088] kmem_cache_alloc_node+0xe3/0x710 [ 762.439577] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 762.443812] __alloc_skb+0xd5/0x5f0 [ 762.447434] ? skb_trim+0x190/0x190 [ 762.451056] ? kasan_check_read+0x11/0x20 [ 762.455205] ndisc_alloc_skb+0x13c/0x340 [ 762.459261] ndisc_send_rs+0x35f/0x6e0 [ 762.463176] addrconf_rs_timer+0x30f/0x680 [ 762.467407] ? ipv6_get_lladdr+0x490/0x490 [ 762.471642] call_timer_fn+0x18d/0x720 [ 762.475523] ? ipv6_get_lladdr+0x490/0x490 [ 762.479750] ? process_timeout+0x40/0x40 [ 762.483805] ? run_timer_softirq+0x644/0x16a0 [ 762.488297] ? trace_hardirqs_on+0x67/0x220 [ 762.492638] ? ipv6_get_lladdr+0x490/0x490 [ 762.496886] run_timer_softirq+0x64f/0x16a0 [ 762.501216] ? add_timer+0xbe0/0xbe0 [ 762.504932] ? __lock_is_held+0xb6/0x140 [ 762.509178] __do_softirq+0x25c/0x921 [ 762.512979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.518539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.524087] irq_exit+0x180/0x1d0 [ 762.527539] smp_apic_timer_interrupt+0x13b/0x550 [ 762.532464] apic_timer_interrupt+0xf/0x20 [ 762.536685] [ 762.539007] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 762.543931] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 762.563177] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 762.570880] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 762.578253] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 762.585642] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 762.592931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 762.600201] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 762.607499] skb_clone+0x156/0x3e0 [ 762.611042] bpf_clone_redirect+0xb2/0x480 [ 762.615457] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 762.620470] ? 0xffffffff81000000 [ 762.623925] ? mark_held_locks+0x100/0x100 [ 762.628160] ? trace_hardirqs_on_caller+0x6a/0x220 [ 762.633092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 762.637935] ? bpf_test_run+0x146/0x430 [ 762.641921] ? find_held_lock+0x35/0x130 [ 762.645977] ? bpf_test_run+0x146/0x430 [ 762.649950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 762.655920] ? check_preemption_disabled+0x48/0x290 [ 762.661016] ? lock_acquire+0x16f/0x3f0 [ 762.664989] ? kasan_check_read+0x11/0x20 [ 762.669133] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 762.674319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.679865] bpf_test_run+0x10d/0x430 [ 762.683669] bpf_prog_test_run_skb+0x64b/0xb20 [ 762.688259] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 762.693107] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 762.698725] ? fput+0x128/0x1a0 [ 762.702002] ? __bpf_prog_get+0x97/0x290 [ 762.706217] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 762.711063] bpf_prog_test_run+0x129/0x1a0 [ 762.715315] __x64_sys_bpf+0x397/0x4c0 [ 762.719198] ? bpf_prog_get+0x20/0x20 [ 762.723003] ? do_syscall_64+0x26/0x620 [ 762.726975] ? lockdep_hardirqs_on+0x415/0x5d0 [ 762.731551] ? trace_hardirqs_on+0x67/0x220 [ 762.736390] do_syscall_64+0xfd/0x620 [ 762.740332] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 762.745548] RIP: 0033:0x45af49 [ 762.748763] Code: Bad RIP value. [ 762.752127] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 762.759836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 762.767104] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 762.774366] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 762.781626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 762.788887] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 762.796170] warn_alloc_show_mem: 1 callbacks suppressed [ 762.796180] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 762.796182] Mem-Info: [ 762.796210] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 762.796210] active_file:13 inactive_file:11 isolated_file:0 [ 762.796210] unevictable:0 dirty:0 writeback:0 unstable:0 [ 762.796210] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 762.796210] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 762.796210] free:10923 free_pcp:135 free_cma:0 [ 762.801610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 762.801617] Call Trace: [ 762.808998] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 762.811391] [ 762.845186] Node 1 active_anon:1432kB 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 [ 762.854803] dump_stack+0x197/0x210 [ 762.857375] Node 0 DMA free:10256kB 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 [ 762.884969] warn_alloc.cold+0x7b/0x173 [ 762.887095] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 762.913052] ? zone_watermark_ok_safe+0x260/0x260 [ 762.916673] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 762.942808] ? __cpuset_node_allowed+0x136/0x540 [ 762.946765] lowmem_reserve[]: 0 0 1 1 1 [ 762.951790] ? __isolate_free_page+0x4c0/0x4c0 [ 762.956616] 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 [ 762.985437] ? wake_all_kswapds+0x14d/0x300 [ 762.990181] lowmem_reserve[]: 0 0 0 0 0 [ 762.994168] __alloc_pages_slowpath+0x2214/0x2870 [ 762.998737] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 763.024531] ? warn_alloc+0x110/0x110 [ 763.028816] lowmem_reserve[]: 0 0 0 0 0 [ 763.032805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.037620] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 763.065467] ? should_fail+0x14d/0x85c [ 763.069241] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 763.073226] ? __isolate_free_page+0x4c0/0x4c0 [ 763.078735] 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 [ 763.090806] __alloc_pages_nodemask+0x617/0x750 [ 763.094662] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 763.109404] ? __alloc_pages_slowpath+0x2870/0x2870 [ 763.113964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 763.124626] cache_grow_begin+0x91/0x8c0 [ 763.129271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 763.129284] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 763.144374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.149364] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 763.149373] 269 total pagecache pages [ 763.158375] ? __cpuset_node_allowed+0x136/0x540 [ 763.162432] 0 pages in swap cache [ 763.171014] fallback_alloc+0x1fd/0x2d0 [ 763.179841] Swap cache stats: add 0, delete 0, find 0/0 [ 763.179851] Free swap = 0kB [ 763.185410] ____cache_alloc_node+0x1be/0x1e0 [ 763.193960] Total swap = 0kB [ 763.197756] kmem_cache_alloc_node+0xe3/0x710 [ 763.202487] 1965979 pages RAM [ 763.205940] __alloc_skb+0xd5/0x5f0 [ 763.209889] 0 pages HighMem/MovableOnly [ 763.209897] 341723 pages reserved [ 763.215255] ? skb_trim+0x190/0x190 [ 763.218247] 0 pages cma reserved [ 763.222733] ? check_preemption_disabled+0x48/0x290 [ 763.225803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 763.230239] ? lock_acquire+0x16f/0x3f0 [ 763.230258] new_skb+0x28/0x1d0 [ 763.230283] aoecmd_cfg+0x1b5/0x640 [ 763.233421] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 763.237010] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 763.240963] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 763.244415] ? timer_reduce+0x11d0/0x11d0 [ 763.298104] discover_timer+0x4e/0x60 [ 763.301913] call_timer_fn+0x18d/0x720 [ 763.305795] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 763.310454] ? process_timeout+0x40/0x40 [ 763.314509] ? run_timer_softirq+0x644/0x16a0 [ 763.319000] ? trace_hardirqs_on+0x67/0x220 [ 763.323317] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 763.327978] run_timer_softirq+0x64f/0x16a0 [ 763.332301] ? add_timer+0xbe0/0xbe0 [ 763.336036] ? __lock_is_held+0xb6/0x140 [ 763.340123] __do_softirq+0x25c/0x921 [ 763.343939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.349476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.355019] irq_exit+0x180/0x1d0 [ 763.358467] smp_apic_timer_interrupt+0x13b/0x550 [ 763.363305] apic_timer_interrupt+0xf/0x20 [ 763.367525] [ 763.369759] RIP: 0010:smp_call_function_single+0x139/0x420 [ 763.375379] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 763.394273] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 763.401984] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 763.409242] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 763.416504] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 763.423766] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 763.431024] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 763.438299] ? smp_call_function_single+0x14c/0x420 [ 763.443335] ? smp_call_function_single+0x137/0x420 [ 763.448385] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 763.454195] ? generic_exec_single+0x490/0x490 [ 763.458775] ? __lock_acquire+0x6ee/0x49c0 [ 763.463018] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 763.468815] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 763.473827] ? find_next_and_bit+0x19a/0x200 [ 763.478236] smp_call_function_many+0x75f/0x8e0 [ 763.482901] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 763.488698] native_flush_tlb_others+0x81/0x420 [ 763.493368] flush_tlb_mm_range+0x21c/0x350 [ 763.497682] ? native_flush_tlb_others+0x420/0x420 [ 763.502743] ? lock_acquire+0x16f/0x3f0 [ 763.506723] ? kasan_check_write+0x14/0x20 [ 763.510962] flush_tlb_batched_pending+0x6e/0xb0 [ 763.515715] unmap_page_range+0x8b5/0x1fb0 [ 763.519957] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 763.524618] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 763.530153] ? kasan_check_write+0x14/0x20 [ 763.534560] __oom_reap_task_mm+0x1fb/0x3a0 [ 763.538891] ? process_shares_mm+0x130/0x130 [ 763.543297] ? oom_reaper+0x12c/0x1160 [ 763.547183] ? __lock_is_held+0xb6/0x140 [ 763.551247] oom_reaper+0x246/0x1160 [ 763.554960] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 763.559449] ? trace_hardirqs_on+0x67/0x220 [ 763.563872] ? finish_wait+0x260/0x260 [ 763.567755] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 763.572935] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 763.578465] ? __kthread_parkme+0xfb/0x1b0 [ 763.582696] kthread+0x354/0x420 [ 763.586058] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 763.590555] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 763.596090] ret_from_fork+0x24/0x30 [ 763.599811] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 763.599867] aoe: skb alloc failure [ 763.607618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 763.607622] Call Trace: [ 763.607629] [ 763.607646] dump_stack+0x197/0x210 [ 763.607663] warn_alloc.cold+0x7b/0x173 [ 763.611217] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 763.621675] ? zone_watermark_ok_safe+0x260/0x260 [ 763.624245] oom_reaper cpuset=/ mems_allowed=0-1 [ 763.626401] ? __cpuset_node_allowed+0x136/0x540 [ 763.658541] ? __isolate_free_page+0x4c0/0x4c0 [ 763.663575] ? wake_all_kswapds+0x14d/0x300 [ 763.667916] __alloc_pages_slowpath+0x2214/0x2870 [ 763.672783] ? warn_alloc+0x110/0x110 [ 763.676586] ? __lock_acquire+0x6ee/0x49c0 [ 763.680818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 763.686363] ? should_fail+0x14d/0x85c [ 763.690256] ? __isolate_free_page+0x4c0/0x4c0 [ 763.694839] __alloc_pages_nodemask+0x617/0x750 [ 763.699517] ? __alloc_pages_slowpath+0x2870/0x2870 [ 763.704533] ? find_held_lock+0x35/0x130 [ 763.708592] cache_grow_begin+0x91/0x8c0 [ 763.712652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.718186] ? __cpuset_node_allowed+0x136/0x540 [ 763.723022] fallback_alloc+0x1fd/0x2d0 [ 763.727015] ____cache_alloc_node+0x1be/0x1e0 [ 763.731506] kmem_cache_alloc_node+0xe3/0x710 [ 763.735995] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 763.740231] __alloc_skb+0xd5/0x5f0 [ 763.743860] ? skb_trim+0x190/0x190 [ 763.747481] ? kasan_check_read+0x11/0x20 [ 763.751715] ndisc_alloc_skb+0x13c/0x340 [ 763.755771] ndisc_send_rs+0x35f/0x6e0 [ 763.759658] addrconf_rs_timer+0x30f/0x680 [ 763.763889] ? ipv6_get_lladdr+0x490/0x490 [ 763.768127] call_timer_fn+0x18d/0x720 [ 763.772009] ? ipv6_get_lladdr+0x490/0x490 [ 763.776237] ? process_timeout+0x40/0x40 [ 763.780289] ? run_timer_softirq+0x644/0x16a0 [ 763.784780] ? trace_hardirqs_on+0x67/0x220 [ 763.789097] ? ipv6_get_lladdr+0x490/0x490 [ 763.793329] run_timer_softirq+0x64f/0x16a0 [ 763.797749] ? add_timer+0xbe0/0xbe0 [ 763.801457] ? __lock_is_held+0xb6/0x140 [ 763.805543] __do_softirq+0x25c/0x921 [ 763.809372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.814935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.820488] irq_exit+0x180/0x1d0 [ 763.823946] smp_apic_timer_interrupt+0x13b/0x550 [ 763.828799] apic_timer_interrupt+0xf/0x20 [ 763.833025] [ 763.835260] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 763.840188] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 763.859099] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 763.872973] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 763.880241] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 763.887505] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 763.894775] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 763.902051] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 763.909410] skb_clone+0x156/0x3e0 [ 763.913322] bpf_clone_redirect+0xb2/0x480 [ 763.917580] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 763.922599] ? 0xffffffff81000000 [ 763.926063] ? mark_held_locks+0x100/0x100 [ 763.930300] ? trace_hardirqs_on_caller+0x6a/0x220 [ 763.935231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 763.939981] ? bpf_test_run+0x146/0x430 [ 763.943950] ? find_held_lock+0x35/0x130 [ 763.948006] ? bpf_test_run+0x146/0x430 [ 763.951980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 763.957511] ? check_preemption_disabled+0x48/0x290 [ 763.962522] ? lock_acquire+0x16f/0x3f0 [ 763.966493] ? kasan_check_read+0x11/0x20 [ 763.970657] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 763.975853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 763.981384] bpf_test_run+0x10d/0x430 [ 763.985188] bpf_prog_test_run_skb+0x64b/0xb20 [ 763.989780] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 763.994615] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.000162] ? fput+0x128/0x1a0 [ 764.003449] ? __bpf_prog_get+0x97/0x290 [ 764.007504] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 764.012355] bpf_prog_test_run+0x129/0x1a0 [ 764.016597] __x64_sys_bpf+0x397/0x4c0 [ 764.020651] ? bpf_prog_get+0x20/0x20 [ 764.024453] ? do_syscall_64+0x26/0x620 [ 764.028422] ? lockdep_hardirqs_on+0x415/0x5d0 [ 764.033015] ? trace_hardirqs_on+0x67/0x220 [ 764.037480] do_syscall_64+0xfd/0x620 [ 764.041387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 764.046665] RIP: 0033:0x45af49 [ 764.049882] Code: Bad RIP value. [ 764.053240] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 764.060948] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 764.068209] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 764.077205] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 764.084570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 764.091836] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 764.099112] warn_alloc_show_mem: 1 callbacks suppressed [ 764.099122] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 764.099124] Mem-Info: [ 764.099152] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 764.099152] active_file:13 inactive_file:11 isolated_file:0 [ 764.099152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 764.099152] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 764.099152] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 764.099152] free:10923 free_pcp:135 free_cma:0 [ 764.104521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.111884] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 764.114272] Call Trace: [ 764.147412] Node 1 active_anon:1432kB 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 [ 764.158295] [ 764.185688] Node 0 DMA free:10256kB 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 [ 764.188270] dump_stack+0x197/0x210 [ 764.214175] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 764.216321] warn_alloc.cold+0x7b/0x173 [ 764.242872] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 764.246519] ? zone_watermark_ok_safe+0x260/0x260 [ 764.251511] lowmem_reserve[]: 0 0 1 1 1 [ 764.255503] ? __cpuset_node_allowed+0x136/0x540 [ 764.284625] 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 [ 764.289471] ? __isolate_free_page+0x4c0/0x4c0 [ 764.293414] lowmem_reserve[]: 0 0 0 0 0 [ 764.298169] ? wake_all_kswapds+0x14d/0x300 [ 764.324013] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 764.328619] __alloc_pages_slowpath+0x2214/0x2870 [ 764.332579] lowmem_reserve[]: 0 0 0 0 0 [ 764.336930] ? warn_alloc+0x110/0x110 [ 764.364760] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 764.369626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 764.374190] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 764.377985] ? should_fail+0x14d/0x85c [ 764.389739] 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 [ 764.395373] ? __isolate_free_page+0x4c0/0x4c0 [ 764.410081] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 764.413969] __alloc_pages_nodemask+0x617/0x750 [ 764.424600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 764.429171] ? __alloc_pages_slowpath+0x2870/0x2870 [ 764.444244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 764.444256] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 764.448923] cache_grow_begin+0x91/0x8c0 [ 764.457729] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 764.457737] 269 total pagecache pages [ 764.462742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.471293] 0 pages in swap cache [ 764.480119] ? __cpuset_node_allowed+0x136/0x540 [ 764.484173] Swap cache stats: add 0, delete 0, find 0/0 [ 764.492870] fallback_alloc+0x1fd/0x2d0 [ 764.496820] Free swap = 0kB [ 764.502353] ____cache_alloc_node+0x1be/0x1e0 [ 764.505791] Total swap = 0kB [ 764.513250] kmem_cache_alloc_node+0xe3/0x710 [ 764.518582] 1965979 pages RAM [ 764.522560] __alloc_skb+0xd5/0x5f0 [ 764.525545] 0 pages HighMem/MovableOnly [ 764.530032] ? skb_trim+0x190/0x190 [ 764.533021] 341723 pages reserved [ 764.533028] 0 pages cma reserved [ 764.537520] ? check_preemption_disabled+0x48/0x290 [ 764.540660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 764.544215] ? lock_acquire+0x16f/0x3f0 [ 764.544235] new_skb+0x28/0x1d0 [ 764.548252] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 764.551796] aoecmd_cfg+0x1b5/0x640 [ 764.555223] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 764.558584] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 764.601119] ? timer_reduce+0x11d0/0x11d0 [ 764.605276] discover_timer+0x4e/0x60 [ 764.609067] call_timer_fn+0x18d/0x720 [ 764.612947] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 764.617607] ? process_timeout+0x40/0x40 [ 764.621658] ? run_timer_softirq+0x644/0x16a0 [ 764.626146] ? trace_hardirqs_on+0x67/0x220 [ 764.630459] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 764.635119] run_timer_softirq+0x64f/0x16a0 [ 764.639438] ? add_timer+0xbe0/0xbe0 [ 764.643146] ? __lock_is_held+0xb6/0x140 [ 764.647207] __do_softirq+0x25c/0x921 [ 764.651004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.656529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.662073] irq_exit+0x180/0x1d0 [ 764.665520] smp_apic_timer_interrupt+0x13b/0x550 [ 764.670357] apic_timer_interrupt+0xf/0x20 [ 764.674580] [ 764.676815] RIP: 0010:smp_call_function_single+0x139/0x420 [ 764.682429] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 764.701321] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 764.709029] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 764.716287] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 764.723561] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 764.730826] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 764.738113] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 764.745400] ? smp_call_function_single+0x14c/0x420 [ 764.750410] ? smp_call_function_single+0x137/0x420 [ 764.764633] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 764.770426] ? generic_exec_single+0x490/0x490 [ 764.775002] ? __lock_acquire+0x6ee/0x49c0 [ 764.779227] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 764.785365] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 764.790375] ? find_next_and_bit+0x19a/0x200 [ 764.794782] smp_call_function_many+0x75f/0x8e0 [ 764.799449] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 764.805244] native_flush_tlb_others+0x81/0x420 [ 764.809904] flush_tlb_mm_range+0x21c/0x350 [ 764.814219] ? native_flush_tlb_others+0x420/0x420 [ 764.819142] ? lock_acquire+0x16f/0x3f0 [ 764.823117] ? kasan_check_write+0x14/0x20 [ 764.827354] flush_tlb_batched_pending+0x6e/0xb0 [ 764.832100] unmap_page_range+0x8b5/0x1fb0 [ 764.836342] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 764.840828] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.846365] ? kasan_check_write+0x14/0x20 [ 764.850604] __oom_reap_task_mm+0x1fb/0x3a0 [ 764.854918] ? process_shares_mm+0x130/0x130 [ 764.859324] ? oom_reaper+0x12c/0x1160 [ 764.863211] ? __lock_is_held+0xb6/0x140 [ 764.867280] oom_reaper+0x246/0x1160 [ 764.870991] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 764.875623] ? trace_hardirqs_on+0x67/0x220 [ 764.879964] ? finish_wait+0x260/0x260 [ 764.883945] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 764.889045] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 764.894593] ? __kthread_parkme+0xfb/0x1b0 [ 764.898827] kthread+0x354/0x420 [ 764.902187] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 764.906682] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 764.912229] ret_from_fork+0x24/0x30 [ 764.915956] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 764.916010] aoe: skb alloc failure [ 764.923754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.923759] Call Trace: [ 764.923764] [ 764.923781] dump_stack+0x197/0x210 [ 764.923798] warn_alloc.cold+0x7b/0x173 [ 764.927350] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 764.936688] ? zone_watermark_ok_safe+0x260/0x260 [ 764.939260] oom_reaper cpuset=/ mems_allowed=0-1 [ 764.941400] ? __cpuset_node_allowed+0x136/0x540 [ 764.973477] ? __isolate_free_page+0x4c0/0x4c0 [ 764.978071] ? wake_all_kswapds+0x14d/0x300 [ 764.982409] __alloc_pages_slowpath+0x2214/0x2870 [ 764.987265] ? warn_alloc+0x110/0x110 [ 764.991063] ? __lock_acquire+0x6ee/0x49c0 [ 764.995301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 765.000839] ? should_fail+0x14d/0x85c [ 765.004724] ? __isolate_free_page+0x4c0/0x4c0 [ 765.009308] __alloc_pages_nodemask+0x617/0x750 [ 765.013982] ? __alloc_pages_slowpath+0x2870/0x2870 [ 765.018995] ? find_held_lock+0x35/0x130 [ 765.023051] cache_grow_begin+0x91/0x8c0 [ 765.027114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.032640] ? __cpuset_node_allowed+0x136/0x540 [ 765.037386] fallback_alloc+0x1fd/0x2d0 [ 765.041359] ____cache_alloc_node+0x1be/0x1e0 [ 765.045850] kmem_cache_alloc_node+0xe3/0x710 [ 765.050336] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 765.054589] __alloc_skb+0xd5/0x5f0 [ 765.058207] ? skb_trim+0x190/0x190 [ 765.061823] ? kasan_check_read+0x11/0x20 [ 765.065967] ndisc_alloc_skb+0x13c/0x340 [ 765.070037] ndisc_send_rs+0x35f/0x6e0 [ 765.074180] addrconf_rs_timer+0x30f/0x680 [ 765.079209] ? ipv6_get_lladdr+0x490/0x490 [ 765.083444] call_timer_fn+0x18d/0x720 [ 765.087321] ? ipv6_get_lladdr+0x490/0x490 [ 765.091544] ? process_timeout+0x40/0x40 [ 765.095595] ? run_timer_softirq+0x644/0x16a0 [ 765.100084] ? trace_hardirqs_on+0x67/0x220 [ 765.104411] ? ipv6_get_lladdr+0x490/0x490 [ 765.108637] run_timer_softirq+0x64f/0x16a0 [ 765.113051] ? add_timer+0xbe0/0xbe0 [ 765.116765] ? __lock_is_held+0xb6/0x140 [ 765.120838] __do_softirq+0x25c/0x921 [ 765.124628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.130170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.136664] irq_exit+0x180/0x1d0 [ 765.140108] smp_apic_timer_interrupt+0x13b/0x550 [ 765.144946] apic_timer_interrupt+0xf/0x20 [ 765.149166] [ 765.151393] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 765.157621] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 765.176523] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 765.184222] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 765.191481] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 765.198740] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 765.206013] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 765.213618] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 765.220922] skb_clone+0x156/0x3e0 [ 765.224470] bpf_clone_redirect+0xb2/0x480 [ 765.228701] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 765.234233] ? 0xffffffff81000000 [ 765.237682] ? mark_held_locks+0x100/0x100 [ 765.241914] ? trace_hardirqs_on_caller+0x6a/0x220 [ 765.246840] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 765.251588] ? bpf_test_run+0x146/0x430 [ 765.255554] ? find_held_lock+0x35/0x130 [ 765.259605] ? bpf_test_run+0x146/0x430 [ 765.263588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.269116] ? check_preemption_disabled+0x48/0x290 [ 765.274121] ? lock_acquire+0x16f/0x3f0 [ 765.278091] ? kasan_check_read+0x11/0x20 [ 765.282229] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 765.287413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 765.292944] bpf_test_run+0x10d/0x430 [ 765.296751] bpf_prog_test_run_skb+0x64b/0xb20 [ 765.301332] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 765.306180] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 765.311710] ? fput+0x128/0x1a0 [ 765.314984] ? __bpf_prog_get+0x97/0x290 [ 765.319120] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 765.324001] bpf_prog_test_run+0x129/0x1a0 [ 765.328267] __x64_sys_bpf+0x397/0x4c0 [ 765.332165] ? bpf_prog_get+0x20/0x20 [ 765.335983] ? do_syscall_64+0x26/0x620 [ 765.339954] ? lockdep_hardirqs_on+0x415/0x5d0 [ 765.344534] ? trace_hardirqs_on+0x67/0x220 [ 765.348944] do_syscall_64+0xfd/0x620 [ 765.352745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 765.357925] RIP: 0033:0x45af49 [ 765.361123] Code: Bad RIP value. [ 765.364482] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 765.372179] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 765.379442] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 765.386699] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 765.393956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 765.401216] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 765.408509] warn_alloc_show_mem: 1 callbacks suppressed [ 765.408520] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 765.408522] Mem-Info: [ 765.408552] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 765.408552] active_file:13 inactive_file:11 isolated_file:0 [ 765.408552] unevictable:0 dirty:0 writeback:0 unstable:0 [ 765.408552] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 765.408552] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 765.408552] free:10923 free_pcp:135 free_cma:0 [ 765.413915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 765.421292] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 765.423687] Call Trace: [ 765.456833] Node 1 active_anon:1432kB 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 [ 765.466172] [ 765.493679] Node 0 DMA free:10256kB 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 [ 765.496394] dump_stack+0x197/0x210 [ 765.522308] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 765.524463] warn_alloc.cold+0x7b/0x173 [ 765.551063] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 765.554690] ? zone_watermark_ok_safe+0x260/0x260 [ 765.559671] lowmem_reserve[]: 0 0 1 1 1 [ 765.563647] ? __cpuset_node_allowed+0x136/0x540 [ 765.593133] 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 [ 765.598013] ? __isolate_free_page+0x4c0/0x4c0 [ 765.601953] lowmem_reserve[]: 0 0 0 0 0 [ 765.606715] ? wake_all_kswapds+0x14d/0x300 [ 765.632626] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 765.637233] __alloc_pages_slowpath+0x2214/0x2870 [ 765.641192] lowmem_reserve[]: 0 0 0 0 0 [ 765.645617] ? warn_alloc+0x110/0x110 [ 765.673521] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 765.678359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 765.682298] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 765.686104] ? should_fail+0x14d/0x85c [ 765.697856] 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 [ 765.703399] ? __isolate_free_page+0x4c0/0x4c0 [ 765.718116] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 765.722017] __alloc_pages_nodemask+0x617/0x750 [ 765.732648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 765.737221] ? __alloc_pages_slowpath+0x2870/0x2870 [ 765.752284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 765.752297] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 765.756966] cache_grow_begin+0x91/0x8c0 [ 765.765779] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 765.770780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.779327] 269 total pagecache pages [ 765.788152] ? __cpuset_node_allowed+0x136/0x540 [ 765.792193] 0 pages in swap cache [ 765.800782] fallback_alloc+0x1fd/0x2d0 [ 765.806296] Swap cache stats: add 0, delete 0, find 0/0 [ 765.806305] Free swap = 0kB [ 765.810106] ____cache_alloc_node+0x1be/0x1e0 [ 765.814861] Total swap = 0kB [ 765.814872] 1965979 pages RAM [ 765.818318] kmem_cache_alloc_node+0xe3/0x710 [ 765.822263] 0 pages HighMem/MovableOnly [ 765.822271] 341723 pages reserved [ 765.827630] __alloc_skb+0xd5/0x5f0 [ 765.830622] 0 pages cma reserved [ 765.835110] ? skb_trim+0x190/0x190 [ 765.838225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 765.841199] ? check_preemption_disabled+0x48/0x290 [ 765.845717] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 765.849637] ? lock_acquire+0x16f/0x3f0 [ 765.853063] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 765.856683] new_skb+0x28/0x1d0 [ 765.899792] aoecmd_cfg+0x1b5/0x640 [ 765.903413] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 765.907751] ? timer_reduce+0x11d0/0x11d0 [ 765.911962] discover_timer+0x4e/0x60 [ 765.915775] call_timer_fn+0x18d/0x720 [ 765.919666] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 765.924337] ? process_timeout+0x40/0x40 [ 765.928409] ? run_timer_softirq+0x644/0x16a0 [ 765.933040] ? trace_hardirqs_on+0x67/0x220 [ 765.937388] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 765.942059] run_timer_softirq+0x64f/0x16a0 [ 765.946404] ? add_timer+0xbe0/0xbe0 [ 765.950130] ? __lock_is_held+0xb6/0x140 [ 765.954202] __do_softirq+0x25c/0x921 [ 765.957999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.963529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 765.969067] irq_exit+0x180/0x1d0 [ 765.972514] smp_apic_timer_interrupt+0x13b/0x550 [ 765.977353] apic_timer_interrupt+0xf/0x20 [ 765.981577] [ 765.983809] RIP: 0010:smp_call_function_single+0x139/0x420 [ 765.989424] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 766.008326] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 766.016023] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 766.023282] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 766.030540] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 766.037798] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 766.045088] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 766.052387] ? smp_call_function_single+0x14c/0x420 [ 766.057412] ? smp_call_function_single+0x137/0x420 [ 766.062434] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 766.068237] ? generic_exec_single+0x490/0x490 [ 766.072810] ? __lock_acquire+0x6ee/0x49c0 [ 766.077035] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 766.082828] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 766.087834] ? find_next_and_bit+0x19a/0x200 [ 766.092242] smp_call_function_many+0x75f/0x8e0 [ 766.096906] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 766.102705] native_flush_tlb_others+0x81/0x420 [ 766.107397] flush_tlb_mm_range+0x21c/0x350 [ 766.111715] ? native_flush_tlb_others+0x420/0x420 [ 766.116638] ? lock_acquire+0x16f/0x3f0 [ 766.120605] ? kasan_check_write+0x14/0x20 [ 766.124832] flush_tlb_batched_pending+0x6e/0xb0 [ 766.129582] unmap_page_range+0x8b5/0x1fb0 [ 766.133840] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 766.138327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.143868] ? kasan_check_write+0x14/0x20 [ 766.148100] __oom_reap_task_mm+0x1fb/0x3a0 [ 766.152417] ? process_shares_mm+0x130/0x130 [ 766.156820] ? oom_reaper+0x12c/0x1160 [ 766.160706] ? __lock_is_held+0xb6/0x140 [ 766.164769] oom_reaper+0x246/0x1160 [ 766.168480] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 766.172968] ? trace_hardirqs_on+0x67/0x220 [ 766.177284] ? finish_wait+0x260/0x260 [ 766.181175] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 766.186268] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.191799] ? __kthread_parkme+0xfb/0x1b0 [ 766.196026] kthread+0x354/0x420 [ 766.199386] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 766.203873] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 766.209405] ret_from_fork+0x24/0x30 [ 766.213137] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 766.213199] aoe: skb alloc failure [ 766.220936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 766.220941] Call Trace: [ 766.220946] [ 766.220963] dump_stack+0x197/0x210 [ 766.220980] warn_alloc.cold+0x7b/0x173 [ 766.224534] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 766.233870] ? zone_watermark_ok_safe+0x260/0x260 [ 766.236428] oom_reaper cpuset=/ mems_allowed=0-1 [ 766.238576] ? __cpuset_node_allowed+0x136/0x540 [ 766.270753] ? __isolate_free_page+0x4c0/0x4c0 [ 766.275348] ? wake_all_kswapds+0x14d/0x300 [ 766.279704] __alloc_pages_slowpath+0x2214/0x2870 [ 766.284554] ? warn_alloc+0x110/0x110 [ 766.288351] ? __lock_acquire+0x6ee/0x49c0 [ 766.292586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.298118] ? should_fail+0x14d/0x85c [ 766.301999] ? __isolate_free_page+0x4c0/0x4c0 [ 766.306587] __alloc_pages_nodemask+0x617/0x750 [ 766.311252] ? __alloc_pages_slowpath+0x2870/0x2870 [ 766.316265] ? find_held_lock+0x35/0x130 [ 766.320322] cache_grow_begin+0x91/0x8c0 [ 766.324462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.329989] ? __cpuset_node_allowed+0x136/0x540 [ 766.334978] fallback_alloc+0x1fd/0x2d0 [ 766.338957] ____cache_alloc_node+0x1be/0x1e0 [ 766.343450] kmem_cache_alloc_node+0xe3/0x710 [ 766.347942] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 766.352220] __alloc_skb+0xd5/0x5f0 [ 766.355842] ? skb_trim+0x190/0x190 [ 766.359459] ? kasan_check_read+0x11/0x20 [ 766.363638] ndisc_alloc_skb+0x13c/0x340 [ 766.367694] ndisc_send_rs+0x35f/0x6e0 [ 766.371580] addrconf_rs_timer+0x30f/0x680 [ 766.375810] ? ipv6_get_lladdr+0x490/0x490 [ 766.381202] call_timer_fn+0x18d/0x720 [ 766.385101] ? ipv6_get_lladdr+0x490/0x490 [ 766.389354] ? process_timeout+0x40/0x40 [ 766.393427] ? run_timer_softirq+0x644/0x16a0 [ 766.397965] ? trace_hardirqs_on+0x67/0x220 [ 766.402295] ? ipv6_get_lladdr+0x490/0x490 [ 766.406531] run_timer_softirq+0x64f/0x16a0 [ 766.410860] ? add_timer+0xbe0/0xbe0 [ 766.414588] ? __lock_is_held+0xb6/0x140 [ 766.418655] __do_softirq+0x25c/0x921 [ 766.422447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.427981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.433520] irq_exit+0x180/0x1d0 [ 766.436967] smp_apic_timer_interrupt+0x13b/0x550 [ 766.441809] apic_timer_interrupt+0xf/0x20 [ 766.446029] [ 766.448260] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 766.453182] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 766.472074] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 766.479791] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 766.487081] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 766.494361] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 766.501637] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 766.508910] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 766.516214] skb_clone+0x156/0x3e0 [ 766.519754] bpf_clone_redirect+0xb2/0x480 [ 766.524006] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 766.529015] ? 0xffffffff81000000 [ 766.532471] ? mark_held_locks+0x100/0x100 [ 766.536701] ? trace_hardirqs_on_caller+0x6a/0x220 [ 766.541714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 766.546464] ? bpf_test_run+0x146/0x430 [ 766.550444] ? find_held_lock+0x35/0x130 [ 766.554498] ? bpf_test_run+0x146/0x430 [ 766.558471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.564041] ? check_preemption_disabled+0x48/0x290 [ 766.569051] ? lock_acquire+0x16f/0x3f0 [ 766.573039] ? kasan_check_read+0x11/0x20 [ 766.577182] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 766.582366] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.587897] bpf_test_run+0x10d/0x430 [ 766.591699] bpf_prog_test_run_skb+0x64b/0xb20 [ 766.596300] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 766.601148] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.606700] ? fput+0x128/0x1a0 [ 766.609973] ? __bpf_prog_get+0x97/0x290 [ 766.614026] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 766.618865] bpf_prog_test_run+0x129/0x1a0 [ 766.623529] __x64_sys_bpf+0x397/0x4c0 [ 766.627434] ? bpf_prog_get+0x20/0x20 [ 766.631236] ? do_syscall_64+0x26/0x620 [ 766.635227] ? lockdep_hardirqs_on+0x415/0x5d0 [ 766.639804] ? trace_hardirqs_on+0x67/0x220 [ 766.644121] do_syscall_64+0xfd/0x620 [ 766.647918] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 766.653098] RIP: 0033:0x45af49 [ 766.656292] Code: Bad RIP value. [ 766.659663] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 766.667363] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 766.674626] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 766.681887] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 766.689149] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 766.696437] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 766.703830] warn_alloc_show_mem: 1 callbacks suppressed [ 766.703840] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 766.703842] Mem-Info: [ 766.703876] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 766.703876] active_file:13 inactive_file:11 isolated_file:0 [ 766.703876] unevictable:0 dirty:0 writeback:0 unstable:0 [ 766.703876] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 766.703876] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 766.703876] free:10923 free_pcp:135 free_cma:0 [ 766.709212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 766.716577] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 766.718981] Call Trace: [ 766.752035] Node 1 active_anon:1432kB 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 [ 766.761376] [ 766.788784] Node 0 DMA free:10256kB 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 [ 766.791371] dump_stack+0x197/0x210 [ 766.817627] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 766.819782] warn_alloc.cold+0x7b/0x173 [ 766.845867] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 766.849505] ? zone_watermark_ok_safe+0x260/0x260 [ 766.854501] lowmem_reserve[]: 0 0 1 1 1 [ 766.858475] ? __cpuset_node_allowed+0x136/0x540 [ 766.887230] 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 [ 766.892092] ? __isolate_free_page+0x4c0/0x4c0 [ 766.896034] lowmem_reserve[]: 0 0 0 0 0 [ 766.900786] ? wake_all_kswapds+0x14d/0x300 [ 766.926536] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 766.931125] __alloc_pages_slowpath+0x2214/0x2870 [ 766.935065] lowmem_reserve[]: 0 0 0 0 0 [ 766.939405] ? warn_alloc+0x110/0x110 [ 766.967220] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 766.972060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 766.976106] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 766.979900] ? should_fail+0x14d/0x85c [ 766.991666] 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 [ 766.997210] ? __isolate_free_page+0x4c0/0x4c0 [ 767.011950] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 767.015868] __alloc_pages_nodemask+0x617/0x750 [ 767.026513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 767.031107] ? __alloc_pages_slowpath+0x2870/0x2870 [ 767.046175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 767.050845] cache_grow_begin+0x91/0x8c0 [ 767.059648] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 767.064652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.073215] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 767.073224] 269 total pagecache pages [ 767.077276] ? __cpuset_node_allowed+0x136/0x540 [ 767.086102] 0 pages in swap cache [ 767.091630] fallback_alloc+0x1fd/0x2d0 [ 767.100200] Swap cache stats: add 0, delete 0, find 0/0 [ 767.100208] Free swap = 0kB [ 767.104021] ____cache_alloc_node+0x1be/0x1e0 [ 767.109006] Total swap = 0kB [ 767.109014] 1965979 pages RAM [ 767.112605] kmem_cache_alloc_node+0xe3/0x710 [ 767.116564] 0 pages HighMem/MovableOnly [ 767.116575] 341723 pages reserved [ 767.121963] __alloc_skb+0xd5/0x5f0 [ 767.124952] 0 pages cma reserved [ 767.125021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 767.129487] ? skb_trim+0x190/0x190 [ 767.129507] ? check_preemption_disabled+0x48/0x290 [ 767.132569] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 767.135627] ? lock_acquire+0x16f/0x3f0 [ 767.140102] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 767.144074] new_skb+0x28/0x1d0 [ 767.192760] aoecmd_cfg+0x1b5/0x640 [ 767.196426] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 767.200754] ? timer_reduce+0x11d0/0x11d0 [ 767.204908] discover_timer+0x4e/0x60 [ 767.208707] call_timer_fn+0x18d/0x720 [ 767.212605] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 767.217271] ? process_timeout+0x40/0x40 [ 767.221323] ? run_timer_softirq+0x644/0x16a0 [ 767.225818] ? trace_hardirqs_on+0x67/0x220 [ 767.230136] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 767.234797] run_timer_softirq+0x64f/0x16a0 [ 767.239120] ? add_timer+0xbe0/0xbe0 [ 767.242837] ? __lock_is_held+0xb6/0x140 [ 767.246906] __do_softirq+0x25c/0x921 [ 767.250701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.256233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.261777] irq_exit+0x180/0x1d0 [ 767.265415] smp_apic_timer_interrupt+0x13b/0x550 [ 767.270514] apic_timer_interrupt+0xf/0x20 [ 767.274735] [ 767.276992] RIP: 0010:smp_call_function_single+0x139/0x420 [ 767.282660] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 767.302173] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 767.309873] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 767.317142] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 767.324503] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 767.331779] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 767.339045] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 767.346326] ? smp_call_function_single+0x14c/0x420 [ 767.351346] ? smp_call_function_single+0x137/0x420 [ 767.356369] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 767.362161] ? generic_exec_single+0x490/0x490 [ 767.366738] ? __lock_acquire+0x6ee/0x49c0 [ 767.370965] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 767.376764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 767.381774] ? find_next_and_bit+0x19a/0x200 [ 767.386272] smp_call_function_many+0x75f/0x8e0 [ 767.390934] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 767.396728] native_flush_tlb_others+0x81/0x420 [ 767.401413] flush_tlb_mm_range+0x21c/0x350 [ 767.405727] ? native_flush_tlb_others+0x420/0x420 [ 767.410663] ? lock_acquire+0x16f/0x3f0 [ 767.414644] ? kasan_check_write+0x14/0x20 [ 767.418886] flush_tlb_batched_pending+0x6e/0xb0 [ 767.423635] unmap_page_range+0x8b5/0x1fb0 [ 767.427876] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 767.432385] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 767.437916] ? kasan_check_write+0x14/0x20 [ 767.442236] __oom_reap_task_mm+0x1fb/0x3a0 [ 767.446559] ? process_shares_mm+0x130/0x130 [ 767.450960] ? oom_reaper+0x12c/0x1160 [ 767.454872] ? __lock_is_held+0xb6/0x140 [ 767.458944] oom_reaper+0x246/0x1160 [ 767.462678] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 767.467199] ? trace_hardirqs_on+0x67/0x220 [ 767.471565] ? finish_wait+0x260/0x260 [ 767.475454] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 767.480677] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 767.486255] ? __kthread_parkme+0xfb/0x1b0 [ 767.490497] kthread+0x354/0x420 [ 767.493862] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 767.498448] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 767.503999] ret_from_fork+0x24/0x30 [ 767.507735] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 767.507763] rcu: INFO: rcu_preempt self-detected stall on CPU [ 767.515556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 767.521698] rcu: 0-...!: (341 ticks this GP) idle=a8a/1/0x4000000000000004 softirq=34633/34635 fqs=0 [ 767.530757] Call Trace: [ 767.530762] [ 767.530784] dump_stack+0x197/0x210 [ 767.530802] warn_alloc.cold+0x7b/0x173 [ 767.530820] ? zone_watermark_ok_safe+0x260/0x260 [ 767.530835] ? __cpuset_node_allowed+0x136/0x540 [ 767.530859] ? __isolate_free_page+0x4c0/0x4c0 [ 767.530875] ? wake_all_kswapds+0x14d/0x300 [ 767.530899] __alloc_pages_slowpath+0x2214/0x2870 [ 767.540521] rcu: (t=10557 jiffies g=37429 q=11) [ 767.543131] ? warn_alloc+0x110/0x110 [ 767.545356] rcu: rcu_preempt kthread starved for 10557 jiffies! g37429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 767.548992] ? __lock_acquire+0x6ee/0x49c0 [ 767.552942] rcu: RCU grace-period kthread stack dump: [ 767.552953] rcu_preempt R running task 29104 10 2 0x80000000 [ 767.557809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 767.562540] Call Trace: [ 767.567119] ? should_fail+0x14d/0x85c [ 767.571430] __schedule+0x866/0x1dc0 [ 767.576251] ? __isolate_free_page+0x4c0/0x4c0 [ 767.581082] ? firmware_map_remove+0x1a7/0x1a7 [ 767.584877] __alloc_pages_nodemask+0x617/0x750 [ 767.595331] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 767.595349] ? lockdep_hardirqs_on+0x415/0x5d0 [ 767.599579] ? __alloc_pages_slowpath+0x2870/0x2870 [ 767.604749] ? trace_hardirqs_on+0x67/0x220 [ 767.611922] ? find_held_lock+0x35/0x130 [ 767.618395] schedule+0x92/0x1c0 [ 767.620962] cache_grow_begin+0x91/0x8c0 [ 767.624830] schedule_timeout+0x4db/0xfc0 [ 767.628526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.633089] ? usleep_range+0x170/0x170 [ 767.637656] ? __cpuset_node_allowed+0x136/0x540 [ 767.642305] ? trace_hardirqs_on+0x67/0x220 [ 767.647391] fallback_alloc+0x1fd/0x2d0 [ 767.654042] ? __next_timer_interrupt+0x1a0/0x1a0 [ 767.659051] ____cache_alloc_node+0x1be/0x1e0 [ 767.663355] ? prepare_to_swait_exclusive+0x120/0x120 [ 767.667409] kmem_cache_alloc+0x1f3/0x700 [ 767.670759] rcu_gp_kthread+0xd5c/0x2190 [ 767.674803] ? mark_held_locks+0xb1/0x100 [ 767.678954] ? rcu_blocking_is_gp+0x90/0x90 [ 767.684544] ? __netdev_alloc_skb+0x370/0x470 [ 767.688498] ? trace_hardirqs_on+0x67/0x220 [ 767.693243] __build_skb+0x3e/0x310 [ 767.697549] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 767.701506] __netdev_alloc_skb+0x2ba/0x470 [ 767.706332] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 767.710824] send_hsr_supervision_frame+0x110/0xf30 [ 767.715992] ? __kthread_parkme+0xfb/0x1b0 [ 767.720130] ? lock_acquire+0x16f/0x3f0 [ 767.724184] kthread+0x354/0x420 [ 767.728399] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 767.732701] ? rcu_blocking_is_gp+0x90/0x90 [ 767.737182] hsr_announce+0x12f/0x3b0 [ 767.741489] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 767.745110] call_timer_fn+0x18d/0x720 [ 767.750196] ret_from_fork+0x24/0x30 [ 767.754512] ? send_hsr_supervision_frame+0xf30/0xf30 [ 767.760047] NMI backtrace for cpu 0 [ 767.765036] ? process_timeout+0x40/0x40 [ 767.815527] ? run_timer_softirq+0x644/0x16a0 [ 767.820074] ? trace_hardirqs_on+0x67/0x220 [ 767.824408] ? send_hsr_supervision_frame+0xf30/0xf30 [ 767.829598] run_timer_softirq+0x64f/0x16a0 [ 767.833925] ? add_timer+0xbe0/0xbe0 [ 767.837631] ? __lock_is_held+0xb6/0x140 [ 767.841694] __do_softirq+0x25c/0x921 [ 767.845486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.851025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.856562] irq_exit+0x180/0x1d0 [ 767.860019] smp_apic_timer_interrupt+0x13b/0x550 [ 767.865988] apic_timer_interrupt+0xf/0x20 [ 767.870210] [ 767.872439] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 767.877364] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 767.898167] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 767.905875] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 767.913136] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 767.920406] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 767.927824] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 767.935104] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 767.942425] skb_clone+0x156/0x3e0 [ 767.945967] bpf_clone_redirect+0xb2/0x480 [ 767.950205] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 767.955225] ? 0xffffffff81000000 [ 767.958678] ? mark_held_locks+0x100/0x100 [ 767.962906] ? trace_hardirqs_on_caller+0x6a/0x220 [ 767.967842] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 767.972594] ? bpf_test_run+0x146/0x430 [ 767.976561] ? find_held_lock+0x35/0x130 [ 767.980612] ? bpf_test_run+0x146/0x430 [ 767.984584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.990113] ? check_preemption_disabled+0x48/0x290 [ 767.995124] ? lock_acquire+0x16f/0x3f0 [ 767.999094] ? kasan_check_read+0x11/0x20 [ 768.003235] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 768.008424] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.013950] bpf_test_run+0x10d/0x430 [ 768.017753] bpf_prog_test_run_skb+0x64b/0xb20 [ 768.022332] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 768.027168] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.032696] ? fput+0x128/0x1a0 [ 768.035967] ? __bpf_prog_get+0x97/0x290 [ 768.040022] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 768.044860] bpf_prog_test_run+0x129/0x1a0 [ 768.049089] __x64_sys_bpf+0x397/0x4c0 [ 768.052971] ? bpf_prog_get+0x20/0x20 [ 768.056857] ? do_syscall_64+0x26/0x620 [ 768.060825] ? lockdep_hardirqs_on+0x415/0x5d0 [ 768.065401] ? trace_hardirqs_on+0x67/0x220 [ 768.069720] do_syscall_64+0xfd/0x620 [ 768.073516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 768.078730] RIP: 0033:0x45af49 [ 768.081944] Code: Bad RIP value. [ 768.085304] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 768.093018] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 768.100298] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 768.107657] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 768.114917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 768.122205] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 768.129487] warn_alloc_show_mem: 1 callbacks suppressed [ 768.129497] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 768.129499] Mem-Info: [ 768.129528] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 768.129528] active_file:13 inactive_file:11 isolated_file:0 [ 768.129528] unevictable:0 dirty:0 writeback:0 unstable:0 [ 768.129528] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 768.129528] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 768.129528] free:10923 free_pcp:135 free_cma:0 [ 768.134885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 768.142243] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 768.144652] Call Trace: [ 768.177710] Node 1 active_anon:1432kB 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 [ 768.187066] [ 768.214509] Node 0 DMA free:10256kB 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 [ 768.217108] dump_stack+0x197/0x210 [ 768.243017] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 768.245174] nmi_cpu_backtrace.cold+0x63/0xa4 [ 768.271265] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 768.274919] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 768.279914] lowmem_reserve[]: 0 0 1 1 1 [ 768.284423] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 768.313027] 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 [ 768.317960] arch_trigger_cpumask_backtrace+0x14/0x20 [ 768.321922] lowmem_reserve[]: 0 0 0 0 0 [ 768.327196] rcu_dump_cpu_stacks+0x189/0x1d5 [ 768.352961] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 768.358159] ? wake_up_process+0x10/0x20 [ 768.362097] lowmem_reserve[]: 0 0 0 0 0 [ 768.366518] rcu_check_callbacks.cold+0x5e3/0xd90 [ 768.394518] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 768.398589] ? trace_hardirqs_off+0x62/0x220 [ 768.402537] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 768.407402] update_process_times+0x32/0x80 [ 768.419157] 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 [ 768.423571] tick_sched_handle+0xa2/0x190 [ 768.438305] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 768.442624] tick_sched_timer+0x47/0x130 [ 768.453473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 768.457624] __hrtimer_run_queues+0x33b/0xdc0 [ 768.472673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 768.472686] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 768.476739] ? tick_sched_do_timer+0x1b0/0x1b0 [ 768.485547] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 768.485555] 269 total pagecache pages [ 768.490058] ? hrtimer_fixup_activate+0x30/0x30 [ 768.498612] 0 pages in swap cache [ 768.507470] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 768.512029] Swap cache stats: add 0, delete 0, find 0/0 [ 768.520625] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 768.524431] Free swap = 0kB [ 768.529124] hrtimer_interrupt+0x314/0x770 [ 768.532563] Total swap = 0kB [ 768.532573] 1965979 pages RAM [ 768.537723] smp_apic_timer_interrupt+0x111/0x550 [ 768.543228] 0 pages HighMem/MovableOnly [ 768.548686] apic_timer_interrupt+0xf/0x20 [ 768.551678] 341723 pages reserved [ 768.555918] RIP: 0010:kmem_cache_alloc_node+0x245/0x710 [ 768.558912] 0 pages cma reserved [ 768.562019] Code: 5f 7e 0f 85 34 ff ff ff e8 39 03 5e ff e9 2a ff ff ff e8 ae 1c ce ff 48 83 3d 0e f8 4f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 768.566952] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 768.570825] RSP: 0018:ffff8880ae807a98 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 768.575046] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 768.578488] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11014fac57e [ 768.637081] RDX: 0000000000000000 RSI: ffff8880a7d62bf8 RDI: 0000000000000282 [ 768.644344] RBP: ffff8880ae807b08 R08: ffff8880a7d62300 R09: ffff8880a7d62bf0 [ 768.651603] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88821bab2b40 [ 768.659645] R13: ffff88821bab2b40 R14: 0000000000000000 R15: 0000000000000282 [ 768.667028] ? apic_timer_interrupt+0xa/0x20 [ 768.671454] __alloc_skb+0xd5/0x5f0 [ 768.675079] ? skb_trim+0x190/0x190 [ 768.678726] ? check_preemption_disabled+0x48/0x290 [ 768.683745] ? lock_acquire+0x16f/0x3f0 [ 768.687723] new_skb+0x28/0x1d0 [ 768.691002] aoecmd_cfg+0x1b5/0x640 [ 768.694626] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 768.698948] ? timer_reduce+0x11d0/0x11d0 [ 768.703105] discover_timer+0x4e/0x60 [ 768.706901] call_timer_fn+0x18d/0x720 [ 768.710795] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 768.715459] ? process_timeout+0x40/0x40 [ 768.719512] ? run_timer_softirq+0x644/0x16a0 [ 768.724021] ? trace_hardirqs_on+0x67/0x220 [ 768.728352] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 768.733026] run_timer_softirq+0x64f/0x16a0 [ 768.737348] ? add_timer+0xbe0/0xbe0 [ 768.745161] ? __lock_is_held+0xb6/0x140 [ 768.749237] __do_softirq+0x25c/0x921 [ 768.753036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 768.758583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 768.764128] irq_exit+0x180/0x1d0 [ 768.767595] smp_apic_timer_interrupt+0x13b/0x550 [ 768.772438] apic_timer_interrupt+0xf/0x20 [ 768.777007] [ 768.779256] RIP: 0010:smp_call_function_single+0x139/0x420 [ 768.784895] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 768.804106] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 768.811812] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 768.819085] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 768.826348] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 768.833611] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 768.841052] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 768.848431] ? smp_call_function_single+0x14c/0x420 [ 768.853445] ? smp_call_function_single+0x137/0x420 [ 768.858460] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 768.864284] ? generic_exec_single+0x490/0x490 [ 768.868861] ? __lock_acquire+0x6ee/0x49c0 [ 768.873096] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 768.878888] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 768.883899] ? find_next_and_bit+0x19a/0x200 [ 768.888397] smp_call_function_many+0x75f/0x8e0 [ 768.893060] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 768.898858] native_flush_tlb_others+0x81/0x420 [ 768.903521] flush_tlb_mm_range+0x21c/0x350 [ 768.907846] ? native_flush_tlb_others+0x420/0x420 [ 768.912772] ? lock_acquire+0x16f/0x3f0 [ 768.916916] ? kasan_check_write+0x14/0x20 [ 768.921161] flush_tlb_batched_pending+0x6e/0xb0 [ 768.925915] unmap_page_range+0x8b5/0x1fb0 [ 768.930174] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 768.934749] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.940281] ? kasan_check_write+0x14/0x20 [ 768.944512] __oom_reap_task_mm+0x1fb/0x3a0 [ 768.948830] ? process_shares_mm+0x130/0x130 [ 768.953234] ? oom_reaper+0x12c/0x1160 [ 768.957123] ? __lock_is_held+0xb6/0x140 [ 768.961184] oom_reaper+0x246/0x1160 [ 768.964901] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 768.969393] ? trace_hardirqs_on+0x67/0x220 [ 768.973710] ? finish_wait+0x260/0x260 [ 768.977592] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 768.982688] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 768.988218] ? __kthread_parkme+0xfb/0x1b0 [ 768.992450] kthread+0x354/0x420 [ 768.995811] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 769.000323] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 769.005897] ret_from_fork+0x24/0x30 [ 769.009643] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 769.010028] aoe: skb alloc failure [ 769.017465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 769.021056] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 769.030348] Call Trace: [ 769.040557] oom_reaper cpuset=/ mems_allowed=0-1 [ 769.043138] [ 769.050023] dump_stack+0x197/0x210 [ 769.053664] warn_alloc.cold+0x7b/0x173 [ 769.057647] ? zone_watermark_ok_safe+0x260/0x260 [ 769.062485] ? __cpuset_node_allowed+0x136/0x540 [ 769.067249] ? __isolate_free_page+0x4c0/0x4c0 [ 769.071827] ? wake_all_kswapds+0x14d/0x300 [ 769.076153] __alloc_pages_slowpath+0x2214/0x2870 [ 769.081004] ? warn_alloc+0x110/0x110 [ 769.084887] ? __lock_acquire+0x6ee/0x49c0 [ 769.089117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 769.094648] ? should_fail+0x14d/0x85c [ 769.098619] ? __isolate_free_page+0x4c0/0x4c0 [ 769.103205] __alloc_pages_nodemask+0x617/0x750 [ 769.107872] ? __alloc_pages_slowpath+0x2870/0x2870 [ 769.112888] ? find_held_lock+0x35/0x130 [ 769.116947] cache_grow_begin+0x91/0x8c0 [ 769.121003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.126532] ? __cpuset_node_allowed+0x136/0x540 [ 769.131286] fallback_alloc+0x1fd/0x2d0 [ 769.135260] ____cache_alloc_node+0x1be/0x1e0 [ 769.139755] kmem_cache_alloc+0x1f3/0x700 [ 769.143912] ? mark_held_locks+0xb1/0x100 [ 769.148202] ? __netdev_alloc_skb+0x370/0x470 [ 769.152727] __build_skb+0x3e/0x310 [ 769.156359] __netdev_alloc_skb+0x2ba/0x470 [ 769.160693] send_hsr_supervision_frame+0x110/0xf30 [ 769.165713] ? lock_acquire+0x16f/0x3f0 [ 769.169702] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 769.174718] hsr_announce+0x12f/0x3b0 [ 769.178516] call_timer_fn+0x18d/0x720 [ 769.182401] ? send_hsr_supervision_frame+0xf30/0xf30 [ 769.187585] ? process_timeout+0x40/0x40 [ 769.191654] ? run_timer_softirq+0x644/0x16a0 [ 769.196186] ? trace_hardirqs_on+0x67/0x220 [ 769.200520] ? send_hsr_supervision_frame+0xf30/0xf30 [ 769.205709] run_timer_softirq+0x64f/0x16a0 [ 769.210034] ? add_timer+0xbe0/0xbe0 [ 769.213746] ? __lock_is_held+0xb6/0x140 [ 769.217812] __do_softirq+0x25c/0x921 [ 769.221609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.227140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.232689] irq_exit+0x180/0x1d0 [ 769.236141] smp_apic_timer_interrupt+0x13b/0x550 [ 769.240987] apic_timer_interrupt+0xf/0x20 [ 769.245212] [ 769.247445] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 769.252390] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 769.271655] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 769.279485] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 769.286765] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 769.294028] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 769.301312] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 769.308575] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 769.315873] skb_clone+0x156/0x3e0 [ 769.319454] bpf_clone_redirect+0xb2/0x480 [ 769.323688] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 769.328838] ? 0xffffffff81000000 [ 769.332303] ? mark_held_locks+0x100/0x100 [ 769.336548] ? trace_hardirqs_on_caller+0x6a/0x220 [ 769.341501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 769.346276] ? bpf_test_run+0x146/0x430 [ 769.350249] ? find_held_lock+0x35/0x130 [ 769.354308] ? bpf_test_run+0x146/0x430 [ 769.358286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.363852] ? check_preemption_disabled+0x48/0x290 [ 769.368880] ? lock_acquire+0x16f/0x3f0 [ 769.372853] ? kasan_check_read+0x11/0x20 [ 769.376993] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 769.382176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 769.387718] bpf_test_run+0x10d/0x430 [ 769.391520] bpf_prog_test_run_skb+0x64b/0xb20 [ 769.396111] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 769.400944] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 769.406473] ? fput+0x128/0x1a0 [ 769.409745] ? __bpf_prog_get+0x97/0x290 [ 769.413797] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 769.418638] bpf_prog_test_run+0x129/0x1a0 [ 769.422865] __x64_sys_bpf+0x397/0x4c0 [ 769.426747] ? bpf_prog_get+0x20/0x20 [ 769.430547] ? do_syscall_64+0x26/0x620 [ 769.434524] ? lockdep_hardirqs_on+0x415/0x5d0 [ 769.439098] ? trace_hardirqs_on+0x67/0x220 [ 769.443417] do_syscall_64+0xfd/0x620 [ 769.447215] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 769.452394] RIP: 0033:0x45af49 [ 769.455590] Code: Bad RIP value. [ 769.458945] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 769.466730] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 769.474008] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 769.481269] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 769.488539] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 769.495819] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 769.503102] Mem-Info: [ 769.503113] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 769.503125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 769.505535] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 769.505535] active_file:13 inactive_file:11 isolated_file:0 [ 769.505535] unevictable:0 dirty:0 writeback:0 unstable:0 [ 769.505535] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 769.505535] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 769.505535] free:10923 free_pcp:135 free_cma:0 [ 769.512867] Call Trace: [ 769.522246] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 769.555372] [ 769.557967] Node 1 active_anon:1432kB 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 [ 769.585356] dump_stack+0x197/0x210 [ 769.587479] Node 0 DMA free:10256kB 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 [ 769.613431] warn_alloc.cold+0x7b/0x173 [ 769.617053] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 769.643160] ? zone_watermark_ok_safe+0x260/0x260 [ 769.647117] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 769.652151] ? __cpuset_node_allowed+0x136/0x540 [ 769.656976] lowmem_reserve[]: 0 0 1 1 1 [ 769.685708] ? __isolate_free_page+0x4c0/0x4c0 [ 769.690468] 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 [ 769.694474] ? wake_all_kswapds+0x14d/0x300 [ 769.699038] lowmem_reserve[]: 0 0 0 0 0 [ 769.724840] __alloc_pages_slowpath+0x2214/0x2870 [ 769.729129] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 769.733310] ? warn_alloc+0x110/0x110 [ 769.738632] lowmem_reserve[]: 0 0 0 0 0 [ 769.766471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 769.770254] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 769.774240] ? should_fail+0x14d/0x85c [ 769.779749] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 769.791649] ? __isolate_free_page+0x4c0/0x4c0 [ 769.795509] 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 [ 769.810423] __alloc_pages_nodemask+0x617/0x750 [ 769.814971] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 769.825627] ? __alloc_pages_slowpath+0x2870/0x2870 [ 769.830274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 769.845357] cache_grow_begin+0x91/0x8c0 [ 769.850344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 769.859434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.863471] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 769.872042] ? __cpuset_node_allowed+0x136/0x540 [ 769.877565] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 769.886387] fallback_alloc+0x1fd/0x2d0 [ 769.891117] 269 total pagecache pages [ 769.899682] ____cache_alloc_node+0x1be/0x1e0 [ 769.903634] 0 pages in swap cache [ 769.907424] kmem_cache_alloc_node+0xe3/0x710 [ 769.911895] Swap cache stats: add 0, delete 0, find 0/0 [ 769.915342] __alloc_skb+0xd5/0x5f0 [ 769.919801] Free swap = 0kB [ 769.919809] Total swap = 0kB [ 769.925164] ? skb_trim+0x190/0x190 [ 769.928765] 1965979 pages RAM [ 769.931783] ? check_preemption_disabled+0x48/0x290 [ 769.934774] 0 pages HighMem/MovableOnly [ 769.938434] ? lock_acquire+0x16f/0x3f0 [ 769.941507] 341723 pages reserved [ 769.941514] 0 pages cma reserved [ 769.946522] new_skb+0x28/0x1d0 [ 769.950652] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 769.954444] aoecmd_cfg+0x1b5/0x640 [ 769.957876] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 769.961238] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 769.988332] ? timer_reduce+0x11d0/0x11d0 [ 769.992476] discover_timer+0x4e/0x60 [ 769.996267] call_timer_fn+0x18d/0x720 [ 770.000145] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 770.004806] ? process_timeout+0x40/0x40 [ 770.008856] ? run_timer_softirq+0x644/0x16a0 [ 770.013346] ? trace_hardirqs_on+0x67/0x220 [ 770.017661] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 770.022326] run_timer_softirq+0x64f/0x16a0 [ 770.026643] ? add_timer+0xbe0/0xbe0 [ 770.030363] ? __lock_is_held+0xb6/0x140 [ 770.034428] __do_softirq+0x25c/0x921 [ 770.038219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.043747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.049325] irq_exit+0x180/0x1d0 [ 770.052783] smp_apic_timer_interrupt+0x13b/0x550 [ 770.057633] apic_timer_interrupt+0xf/0x20 [ 770.061948] [ 770.064182] RIP: 0010:smp_call_function_single+0x139/0x420 [ 770.069814] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 770.088738] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 770.096441] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 770.103700] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 770.110959] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 770.118232] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 770.125501] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 770.132791] ? smp_call_function_single+0x14c/0x420 [ 770.137800] ? smp_call_function_single+0x137/0x420 [ 770.142815] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 770.148610] ? generic_exec_single+0x490/0x490 [ 770.153192] ? __lock_acquire+0x6ee/0x49c0 [ 770.157437] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 770.163232] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 770.168240] ? find_next_and_bit+0x19a/0x200 [ 770.172651] smp_call_function_many+0x75f/0x8e0 [ 770.177313] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 770.183203] native_flush_tlb_others+0x81/0x420 [ 770.188047] flush_tlb_mm_range+0x21c/0x350 [ 770.192361] ? native_flush_tlb_others+0x420/0x420 [ 770.197286] ? lock_acquire+0x16f/0x3f0 [ 770.201257] ? kasan_check_write+0x14/0x20 [ 770.205490] flush_tlb_batched_pending+0x6e/0xb0 [ 770.210239] unmap_page_range+0x8b5/0x1fb0 [ 770.214625] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 770.219121] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 770.224687] ? kasan_check_write+0x14/0x20 [ 770.228925] __oom_reap_task_mm+0x1fb/0x3a0 [ 770.233270] ? process_shares_mm+0x130/0x130 [ 770.237688] ? oom_reaper+0x12c/0x1160 [ 770.241577] ? __lock_is_held+0xb6/0x140 [ 770.245642] oom_reaper+0x246/0x1160 [ 770.249357] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 770.253856] ? trace_hardirqs_on+0x67/0x220 [ 770.258435] ? finish_wait+0x260/0x260 [ 770.262318] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 770.267414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 770.273727] ? __kthread_parkme+0xfb/0x1b0 [ 770.277967] kthread+0x354/0x420 [ 770.281325] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 770.285813] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 770.291360] ret_from_fork+0x24/0x30 [ 770.295081] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 770.295136] aoe: skb alloc failure [ 770.302921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 770.302926] Call Trace: [ 770.302932] [ 770.302948] dump_stack+0x197/0x210 [ 770.302966] warn_alloc.cold+0x7b/0x173 [ 770.306519] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 770.315849] ? zone_watermark_ok_safe+0x260/0x260 [ 770.318420] oom_reaper cpuset=/ mems_allowed=0-1 [ 770.320589] ? __cpuset_node_allowed+0x136/0x540 [ 770.352828] ? __isolate_free_page+0x4c0/0x4c0 [ 770.357438] ? wake_all_kswapds+0x14d/0x300 [ 770.361783] __alloc_pages_slowpath+0x2214/0x2870 [ 770.366651] ? warn_alloc+0x110/0x110 [ 770.370461] ? __lock_acquire+0x6ee/0x49c0 [ 770.374695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 770.380230] ? should_fail+0x14d/0x85c [ 770.384115] ? __isolate_free_page+0x4c0/0x4c0 [ 770.388700] __alloc_pages_nodemask+0x617/0x750 [ 770.393383] ? __alloc_pages_slowpath+0x2870/0x2870 [ 770.398397] ? find_held_lock+0x35/0x130 [ 770.402455] cache_grow_begin+0x91/0x8c0 [ 770.406602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.412148] ? __cpuset_node_allowed+0x136/0x540 [ 770.416900] fallback_alloc+0x1fd/0x2d0 [ 770.420870] ____cache_alloc_node+0x1be/0x1e0 [ 770.425359] kmem_cache_alloc_node+0xe3/0x710 [ 770.429853] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 770.434089] __alloc_skb+0xd5/0x5f0 [ 770.437713] ? skb_trim+0x190/0x190 [ 770.441340] ? kasan_check_read+0x11/0x20 [ 770.445486] ndisc_alloc_skb+0x13c/0x340 [ 770.449545] ndisc_send_rs+0x35f/0x6e0 [ 770.453427] addrconf_rs_timer+0x30f/0x680 [ 770.457657] ? ipv6_get_lladdr+0x490/0x490 [ 770.461903] call_timer_fn+0x18d/0x720 [ 770.465786] ? ipv6_get_lladdr+0x490/0x490 [ 770.470012] ? process_timeout+0x40/0x40 [ 770.474168] ? run_timer_softirq+0x644/0x16a0 [ 770.478660] ? trace_hardirqs_on+0x67/0x220 [ 770.482992] ? ipv6_get_lladdr+0x490/0x490 [ 770.487220] run_timer_softirq+0x64f/0x16a0 [ 770.491541] ? add_timer+0xbe0/0xbe0 [ 770.495280] ? __lock_is_held+0xb6/0x140 [ 770.499355] __do_softirq+0x25c/0x921 [ 770.503156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.508688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.514256] irq_exit+0x180/0x1d0 [ 770.517721] smp_apic_timer_interrupt+0x13b/0x550 [ 770.522558] apic_timer_interrupt+0xf/0x20 [ 770.526780] [ 770.529010] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 770.533935] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 770.552824] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 770.560529] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 770.567790] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 770.575049] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 770.582306] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 770.589565] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 770.596852] skb_clone+0x156/0x3e0 [ 770.600397] bpf_clone_redirect+0xb2/0x480 [ 770.604631] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 770.609641] ? 0xffffffff81000000 [ 770.613108] ? mark_held_locks+0x100/0x100 [ 770.617334] ? trace_hardirqs_on_caller+0x6a/0x220 [ 770.622263] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 770.627011] ? bpf_test_run+0x146/0x430 [ 770.630977] ? find_held_lock+0x35/0x130 [ 770.635027] ? bpf_test_run+0x146/0x430 [ 770.639000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.644526] ? check_preemption_disabled+0x48/0x290 [ 770.649531] ? lock_acquire+0x16f/0x3f0 [ 770.653507] ? kasan_check_read+0x11/0x20 [ 770.657676] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 770.663041] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 770.668591] bpf_test_run+0x10d/0x430 [ 770.672400] bpf_prog_test_run_skb+0x64b/0xb20 [ 770.676983] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 770.681822] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 770.687362] ? fput+0x128/0x1a0 [ 770.690635] ? __bpf_prog_get+0x97/0x290 [ 770.694687] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 770.699520] bpf_prog_test_run+0x129/0x1a0 [ 770.703748] __x64_sys_bpf+0x397/0x4c0 [ 770.707625] ? bpf_prog_get+0x20/0x20 [ 770.711426] ? do_syscall_64+0x26/0x620 [ 770.716093] ? lockdep_hardirqs_on+0x415/0x5d0 [ 770.720667] ? trace_hardirqs_on+0x67/0x220 [ 770.724985] do_syscall_64+0xfd/0x620 [ 770.728791] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 770.733987] RIP: 0033:0x45af49 [ 770.737182] Code: Bad RIP value. [ 770.740533] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 770.748320] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 770.755678] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 770.762945] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 770.770221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 770.777506] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 770.784797] warn_alloc_show_mem: 1 callbacks suppressed [ 770.784807] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 770.784809] Mem-Info: [ 770.784838] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 770.784838] active_file:13 inactive_file:11 isolated_file:0 [ 770.784838] unevictable:0 dirty:0 writeback:0 unstable:0 [ 770.784838] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 770.784838] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 770.784838] free:10923 free_pcp:135 free_cma:0 [ 770.790195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 770.797560] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 770.799949] Call Trace: [ 770.833235] Node 1 active_anon:1432kB 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 [ 770.842558] [ 770.869950] Node 0 DMA free:10256kB 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 [ 770.872532] dump_stack+0x197/0x210 [ 770.898428] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 770.900589] warn_alloc.cold+0x7b/0x173 [ 770.926666] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 770.930298] ? zone_watermark_ok_safe+0x260/0x260 [ 770.935281] lowmem_reserve[]: 0 0 1 1 1 [ 770.939255] ? __cpuset_node_allowed+0x136/0x540 [ 770.967864] 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 [ 770.972711] ? __isolate_free_page+0x4c0/0x4c0 [ 770.976650] lowmem_reserve[]: 0 0 0 0 0 [ 770.981408] ? wake_all_kswapds+0x14d/0x300 [ 771.007160] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 771.011767] __alloc_pages_slowpath+0x2214/0x2870 [ 771.015700] lowmem_reserve[]: 0 0 0 0 0 [ 771.020029] ? warn_alloc+0x110/0x110 [ 771.047849] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 771.052802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 771.056753] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 771.060580] ? should_fail+0x14d/0x85c [ 771.072357] 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 [ 771.077901] ? __isolate_free_page+0x4c0/0x4c0 [ 771.092704] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 771.096614] __alloc_pages_nodemask+0x617/0x750 [ 771.107254] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 771.111891] ? __alloc_pages_slowpath+0x2870/0x2870 [ 771.126982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 771.131676] cache_grow_begin+0x91/0x8c0 [ 771.140550] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 771.145628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.154192] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 771.158244] ? __cpuset_node_allowed+0x136/0x540 [ 771.167065] 269 total pagecache pages [ 771.172621] fallback_alloc+0x1fd/0x2d0 [ 771.181179] 0 pages in swap cache [ 771.185949] ____cache_alloc_node+0x1be/0x1e0 [ 771.189752] Swap cache stats: add 0, delete 0, find 0/0 [ 771.193737] kmem_cache_alloc_node+0xe3/0x710 [ 771.197165] Free swap = 0kB [ 771.201664] __alloc_skb+0xd5/0x5f0 [ 771.206997] Total swap = 0kB [ 771.211486] ? skb_trim+0x190/0x190 [ 771.214478] 1965979 pages RAM [ 771.218095] ? check_preemption_disabled+0x48/0x290 [ 771.221084] 0 pages HighMem/MovableOnly [ 771.221092] 341723 pages reserved [ 771.224720] ? lock_acquire+0x16f/0x3f0 [ 771.227794] 0 pages cma reserved [ 771.227865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 771.232824] new_skb+0x28/0x1d0 [ 771.236822] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 771.240216] aoecmd_cfg+0x1b5/0x640 [ 771.244167] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 771.247556] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 771.281276] ? timer_reduce+0x11d0/0x11d0 [ 771.285445] discover_timer+0x4e/0x60 [ 771.289246] call_timer_fn+0x18d/0x720 [ 771.293174] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 771.297854] ? process_timeout+0x40/0x40 [ 771.301915] ? run_timer_softirq+0x644/0x16a0 [ 771.306411] ? trace_hardirqs_on+0x67/0x220 [ 771.310736] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 771.315398] run_timer_softirq+0x64f/0x16a0 [ 771.319718] ? add_timer+0xbe0/0xbe0 [ 771.323431] ? __lock_is_held+0xb6/0x140 [ 771.327497] __do_softirq+0x25c/0x921 [ 771.331288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.336831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.342382] irq_exit+0x180/0x1d0 [ 771.345857] smp_apic_timer_interrupt+0x13b/0x550 [ 771.350701] apic_timer_interrupt+0xf/0x20 [ 771.354922] [ 771.357155] RIP: 0010:smp_call_function_single+0x139/0x420 [ 771.362773] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 771.383138] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 771.390838] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 771.398106] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 771.405367] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 771.412715] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 771.419985] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 771.427465] ? smp_call_function_single+0x14c/0x420 [ 771.432477] ? smp_call_function_single+0x137/0x420 [ 771.437493] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 771.443288] ? generic_exec_single+0x490/0x490 [ 771.447863] ? __lock_acquire+0x6ee/0x49c0 [ 771.452087] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 771.457875] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 771.462884] ? find_next_and_bit+0x19a/0x200 [ 771.467292] smp_call_function_many+0x75f/0x8e0 [ 771.471966] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 771.477761] native_flush_tlb_others+0x81/0x420 [ 771.482421] flush_tlb_mm_range+0x21c/0x350 [ 771.486733] ? native_flush_tlb_others+0x420/0x420 [ 771.491654] ? lock_acquire+0x16f/0x3f0 [ 771.495621] ? kasan_check_write+0x14/0x20 [ 771.499852] flush_tlb_batched_pending+0x6e/0xb0 [ 771.504598] unmap_page_range+0x8b5/0x1fb0 [ 771.508859] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 771.513352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 771.518893] ? kasan_check_write+0x14/0x20 [ 771.523134] __oom_reap_task_mm+0x1fb/0x3a0 [ 771.527468] ? process_shares_mm+0x130/0x130 [ 771.531873] ? oom_reaper+0x12c/0x1160 [ 771.535762] ? __lock_is_held+0xb6/0x140 [ 771.539835] oom_reaper+0x246/0x1160 [ 771.543557] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 771.548050] ? trace_hardirqs_on+0x67/0x220 [ 771.552369] ? finish_wait+0x260/0x260 [ 771.556251] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 771.561357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 771.566884] ? __kthread_parkme+0xfb/0x1b0 [ 771.571115] kthread+0x354/0x420 [ 771.574472] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 771.578958] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 771.584489] ret_from_fork+0x24/0x30 [ 771.588209] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 771.588269] aoe: skb alloc failure [ 771.596012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 771.596020] Call Trace: [ 771.599614] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 771.608893] [ 771.611458] oom_reaper cpuset=/ mems_allowed=0-1 [ 771.621683] dump_stack+0x197/0x210 [ 771.632161] warn_alloc.cold+0x7b/0x173 [ 771.636131] ? zone_watermark_ok_safe+0x260/0x260 [ 771.640966] ? __cpuset_node_allowed+0x136/0x540 [ 771.645721] ? __isolate_free_page+0x4c0/0x4c0 [ 771.650296] ? wake_all_kswapds+0x14d/0x300 [ 771.654619] __alloc_pages_slowpath+0x2214/0x2870 [ 771.660079] ? warn_alloc+0x110/0x110 [ 771.663874] ? __lock_acquire+0x6ee/0x49c0 [ 771.668102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 771.673631] ? should_fail+0x14d/0x85c [ 771.677512] ? __isolate_free_page+0x4c0/0x4c0 [ 771.682103] __alloc_pages_nodemask+0x617/0x750 [ 771.687464] ? __alloc_pages_slowpath+0x2870/0x2870 [ 771.692485] ? find_held_lock+0x35/0x130 [ 771.696631] cache_grow_begin+0x91/0x8c0 [ 771.700684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.706209] ? __cpuset_node_allowed+0x136/0x540 [ 771.710959] fallback_alloc+0x1fd/0x2d0 [ 771.714930] ____cache_alloc_node+0x1be/0x1e0 [ 771.719420] kmem_cache_alloc_node+0xe3/0x710 [ 771.723929] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 771.728185] __alloc_skb+0xd5/0x5f0 [ 771.731830] ? skb_trim+0x190/0x190 [ 771.735457] ? kasan_check_read+0x11/0x20 [ 771.739615] ndisc_alloc_skb+0x13c/0x340 [ 771.743679] ndisc_send_rs+0x35f/0x6e0 [ 771.747568] addrconf_rs_timer+0x30f/0x680 [ 771.751815] ? ipv6_get_lladdr+0x490/0x490 [ 771.756143] call_timer_fn+0x18d/0x720 [ 771.760025] ? ipv6_get_lladdr+0x490/0x490 [ 771.764957] ? process_timeout+0x40/0x40 [ 771.769008] ? run_timer_softirq+0x644/0x16a0 [ 771.773501] ? trace_hardirqs_on+0x67/0x220 [ 771.777826] ? ipv6_get_lladdr+0x490/0x490 [ 771.782053] run_timer_softirq+0x64f/0x16a0 [ 771.786372] ? add_timer+0xbe0/0xbe0 [ 771.790084] ? __lock_is_held+0xb6/0x140 [ 771.794152] __do_softirq+0x25c/0x921 [ 771.798032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.803564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.809627] irq_exit+0x180/0x1d0 [ 771.813074] smp_apic_timer_interrupt+0x13b/0x550 [ 771.817918] apic_timer_interrupt+0xf/0x20 [ 771.822142] [ 771.824461] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 771.829399] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 771.848312] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 771.856017] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 771.864068] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 771.871326] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 771.878595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 771.885854] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 771.893156] skb_clone+0x156/0x3e0 [ 771.896783] bpf_clone_redirect+0xb2/0x480 [ 771.901015] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 771.906031] ? 0xffffffff81000000 [ 771.909484] ? mark_held_locks+0x100/0x100 [ 771.913708] ? trace_hardirqs_on_caller+0x6a/0x220 [ 771.918634] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 771.923381] ? bpf_test_run+0x146/0x430 [ 771.927355] ? find_held_lock+0x35/0x130 [ 771.931405] ? bpf_test_run+0x146/0x430 [ 771.935385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.940924] ? check_preemption_disabled+0x48/0x290 [ 771.945933] ? lock_acquire+0x16f/0x3f0 [ 771.949903] ? kasan_check_read+0x11/0x20 [ 771.954044] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 771.959224] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 771.964851] bpf_test_run+0x10d/0x430 [ 771.968652] bpf_prog_test_run_skb+0x64b/0xb20 [ 771.973229] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 771.978060] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 771.983589] ? fput+0x128/0x1a0 [ 771.986868] ? __bpf_prog_get+0x97/0x290 [ 771.990920] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 771.995754] bpf_prog_test_run+0x129/0x1a0 [ 771.999993] __x64_sys_bpf+0x397/0x4c0 [ 772.003874] ? bpf_prog_get+0x20/0x20 [ 772.007681] ? do_syscall_64+0x26/0x620 [ 772.011666] ? lockdep_hardirqs_on+0x415/0x5d0 [ 772.016240] ? trace_hardirqs_on+0x67/0x220 [ 772.020562] do_syscall_64+0xfd/0x620 [ 772.024362] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 772.029538] RIP: 0033:0x45af49 [ 772.032785] Code: Bad RIP value. [ 772.036153] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 772.043850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 772.051109] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 772.058452] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 772.065720] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 772.072987] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 772.080263] warn_alloc_show_mem: 1 callbacks suppressed [ 772.080273] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 772.080275] Mem-Info: [ 772.080304] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 772.080304] active_file:13 inactive_file:11 isolated_file:0 [ 772.080304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 772.080304] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 772.080304] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 772.080304] free:10923 free_pcp:135 free_cma:0 [ 772.085637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 772.085644] Call Trace: [ 772.093103] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 772.095497] [ 772.128811] Node 1 active_anon:1432kB 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 [ 772.138154] dump_stack+0x197/0x210 [ 772.140707] Node 0 DMA free:10256kB 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 [ 772.170977] warn_alloc.cold+0x7b/0x173 [ 772.173101] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 772.199043] ? zone_watermark_ok_safe+0x260/0x260 [ 772.202640] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 772.237470] ? __cpuset_node_allowed+0x136/0x540 [ 772.241419] lowmem_reserve[]: 0 0 1 1 1 [ 772.246436] ? __isolate_free_page+0x4c0/0x4c0 [ 772.251262] 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 [ 772.279883] ? wake_all_kswapds+0x14d/0x300 [ 772.284620] lowmem_reserve[]: 0 0 0 0 0 [ 772.288594] __alloc_pages_slowpath+0x2214/0x2870 [ 772.293149] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 772.319008] ? warn_alloc+0x110/0x110 [ 772.323288] lowmem_reserve[]: 0 0 0 0 0 [ 772.327255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.332164] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 772.360038] ? should_fail+0x14d/0x85c [ 772.363829] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 772.367829] ? __isolate_free_page+0x4c0/0x4c0 [ 772.373472] 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 [ 772.385377] __alloc_pages_nodemask+0x617/0x750 [ 772.389247] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 772.404096] ? __alloc_pages_slowpath+0x2870/0x2870 [ 772.408657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 772.420673] cache_grow_begin+0x91/0x8c0 [ 772.425326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 772.440513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 772.445549] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 772.454396] ? __cpuset_node_allowed+0x136/0x540 [ 772.458451] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 772.467043] fallback_alloc+0x1fd/0x2d0 [ 772.472563] 269 total pagecache pages [ 772.481539] ____cache_alloc_node+0x1be/0x1e0 [ 772.486271] 0 pages in swap cache [ 772.495473] kmem_cache_alloc_node+0xe3/0x710 [ 772.499797] Swap cache stats: add 0, delete 0, find 0/0 [ 772.503607] __alloc_skb+0xd5/0x5f0 [ 772.508085] Free swap = 0kB [ 772.511538] ? skb_trim+0x190/0x190 [ 772.516016] Total swap = 0kB [ 772.516027] 1965979 pages RAM [ 772.521405] ? check_preemption_disabled+0x48/0x290 [ 772.525007] 0 pages HighMem/MovableOnly [ 772.528037] ? lock_acquire+0x16f/0x3f0 [ 772.531667] 341723 pages reserved [ 772.531676] 0 pages cma reserved [ 772.534702] new_skb+0x28/0x1d0 [ 772.537836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 772.542792] aoecmd_cfg+0x1b5/0x640 [ 772.547007] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 772.550717] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 772.554145] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 772.557516] ? timer_reduce+0x11d0/0x11d0 [ 772.595290] discover_timer+0x4e/0x60 [ 772.599081] call_timer_fn+0x18d/0x720 [ 772.602962] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 772.607620] ? process_timeout+0x40/0x40 [ 772.611673] ? run_timer_softirq+0x644/0x16a0 [ 772.616165] ? trace_hardirqs_on+0x67/0x220 [ 772.620488] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 772.625157] run_timer_softirq+0x64f/0x16a0 [ 772.629476] ? add_timer+0xbe0/0xbe0 [ 772.633184] ? __lock_is_held+0xb6/0x140 [ 772.637252] __do_softirq+0x25c/0x921 [ 772.641046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 772.646571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 772.652108] irq_exit+0x180/0x1d0 [ 772.655553] smp_apic_timer_interrupt+0x13b/0x550 [ 772.660393] apic_timer_interrupt+0xf/0x20 [ 772.664627] [ 772.666884] RIP: 0010:smp_call_function_single+0x139/0x420 [ 772.672522] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 772.691765] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 772.699618] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 772.706900] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 772.714253] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 772.721818] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 772.729382] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 772.736691] ? smp_call_function_single+0x14c/0x420 [ 772.741707] ? smp_call_function_single+0x137/0x420 [ 772.746746] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 772.752560] ? generic_exec_single+0x490/0x490 [ 772.757156] ? __lock_acquire+0x6ee/0x49c0 [ 772.761427] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 772.767244] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 772.772269] ? find_next_and_bit+0x19a/0x200 [ 772.776834] smp_call_function_many+0x75f/0x8e0 [ 772.781520] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 772.787345] native_flush_tlb_others+0x81/0x420 [ 772.792038] flush_tlb_mm_range+0x21c/0x350 [ 772.796378] ? native_flush_tlb_others+0x420/0x420 [ 772.801854] ? lock_acquire+0x16f/0x3f0 [ 772.805829] ? kasan_check_write+0x14/0x20 [ 772.810074] flush_tlb_batched_pending+0x6e/0xb0 [ 772.814849] unmap_page_range+0x8b5/0x1fb0 [ 772.819098] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 772.823607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 772.829162] ? kasan_check_write+0x14/0x20 [ 772.833410] __oom_reap_task_mm+0x1fb/0x3a0 [ 772.837735] ? process_shares_mm+0x130/0x130 [ 772.842153] ? oom_reaper+0x12c/0x1160 [ 772.846043] ? __lock_is_held+0xb6/0x140 [ 772.850108] oom_reaper+0x246/0x1160 [ 772.853820] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 772.858313] ? trace_hardirqs_on+0x67/0x220 [ 772.862625] ? finish_wait+0x260/0x260 [ 772.866512] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 772.871608] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 772.877135] ? __kthread_parkme+0xfb/0x1b0 [ 772.881366] kthread+0x354/0x420 [ 772.885688] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 772.890202] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 772.895749] ret_from_fork+0x24/0x30 [ 772.899488] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 772.899545] aoe: skb alloc failure [ 772.907321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 772.907332] Call Trace: [ 772.910969] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 772.920222] [ 772.922789] oom_reaper cpuset=/ mems_allowed=0-1 [ 772.933009] dump_stack+0x197/0x210 [ 772.943744] warn_alloc.cold+0x7b/0x173 [ 772.947716] ? zone_watermark_ok_safe+0x260/0x260 [ 772.952649] ? __cpuset_node_allowed+0x136/0x540 [ 772.957413] ? __isolate_free_page+0x4c0/0x4c0 [ 772.961985] ? wake_all_kswapds+0x14d/0x300 [ 772.966308] __alloc_pages_slowpath+0x2214/0x2870 [ 772.971159] ? warn_alloc+0x110/0x110 [ 772.974953] ? __lock_acquire+0x6ee/0x49c0 [ 772.979183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 772.984713] ? should_fail+0x14d/0x85c [ 772.988596] ? __isolate_free_page+0x4c0/0x4c0 [ 772.993178] __alloc_pages_nodemask+0x617/0x750 [ 772.997848] ? __alloc_pages_slowpath+0x2870/0x2870 [ 773.002859] ? find_held_lock+0x35/0x130 [ 773.006920] cache_grow_begin+0x91/0x8c0 [ 773.010988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.016516] ? __cpuset_node_allowed+0x136/0x540 [ 773.021264] fallback_alloc+0x1fd/0x2d0 [ 773.025234] ____cache_alloc_node+0x1be/0x1e0 [ 773.029724] kmem_cache_alloc_node+0xe3/0x710 [ 773.034219] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 773.039840] __alloc_skb+0xd5/0x5f0 [ 773.043462] ? skb_trim+0x190/0x190 [ 773.047078] ? kasan_check_read+0x11/0x20 [ 773.051227] ndisc_alloc_skb+0x13c/0x340 [ 773.055282] ndisc_send_rs+0x35f/0x6e0 [ 773.059163] addrconf_rs_timer+0x30f/0x680 [ 773.063391] ? ipv6_get_lladdr+0x490/0x490 [ 773.067624] call_timer_fn+0x18d/0x720 [ 773.071506] ? ipv6_get_lladdr+0x490/0x490 [ 773.075734] ? process_timeout+0x40/0x40 [ 773.079786] ? run_timer_softirq+0x644/0x16a0 [ 773.084276] ? trace_hardirqs_on+0x67/0x220 [ 773.088591] ? ipv6_get_lladdr+0x490/0x490 [ 773.092817] run_timer_softirq+0x64f/0x16a0 [ 773.097136] ? add_timer+0xbe0/0xbe0 [ 773.100845] ? __lock_is_held+0xb6/0x140 [ 773.104912] __do_softirq+0x25c/0x921 [ 773.108725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.114296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.119847] irq_exit+0x180/0x1d0 [ 773.123303] smp_apic_timer_interrupt+0x13b/0x550 [ 773.128188] apic_timer_interrupt+0xf/0x20 [ 773.132408] [ 773.134638] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 773.139561] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 773.158455] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 773.166186] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 773.173444] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 773.180805] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 773.188065] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 773.195324] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 773.202618] skb_clone+0x156/0x3e0 [ 773.206154] bpf_clone_redirect+0xb2/0x480 [ 773.210385] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 773.215390] ? 0xffffffff81000000 [ 773.218844] ? mark_held_locks+0x100/0x100 [ 773.223069] ? trace_hardirqs_on_caller+0x6a/0x220 [ 773.228011] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 773.232763] ? bpf_test_run+0x146/0x430 [ 773.236743] ? find_held_lock+0x35/0x130 [ 773.240795] ? bpf_test_run+0x146/0x430 [ 773.244790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.250344] ? check_preemption_disabled+0x48/0x290 [ 773.255360] ? lock_acquire+0x16f/0x3f0 [ 773.259332] ? kasan_check_read+0x11/0x20 [ 773.263480] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 773.268689] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 773.274266] bpf_test_run+0x10d/0x430 [ 773.278088] bpf_prog_test_run_skb+0x64b/0xb20 [ 773.282694] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 773.287554] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 773.293095] ? fput+0x128/0x1a0 [ 773.296372] ? __bpf_prog_get+0x97/0x290 [ 773.300430] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 773.305274] bpf_prog_test_run+0x129/0x1a0 [ 773.309504] __x64_sys_bpf+0x397/0x4c0 [ 773.313386] ? bpf_prog_get+0x20/0x20 [ 773.317183] ? do_syscall_64+0x26/0x620 [ 773.321150] ? lockdep_hardirqs_on+0x415/0x5d0 [ 773.325726] ? trace_hardirqs_on+0x67/0x220 [ 773.330061] do_syscall_64+0xfd/0x620 [ 773.334301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 773.339643] RIP: 0033:0x45af49 [ 773.342847] Code: Bad RIP value. [ 773.346201] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 773.353902] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 773.361174] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 773.369129] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 773.378908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 773.386168] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 773.393541] warn_alloc_show_mem: 1 callbacks suppressed [ 773.393551] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 773.393553] Mem-Info: [ 773.393583] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 773.393583] active_file:13 inactive_file:11 isolated_file:0 [ 773.393583] unevictable:0 dirty:0 writeback:0 unstable:0 [ 773.393583] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 773.393583] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 773.393583] free:10923 free_pcp:135 free_cma:0 [ 773.398923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 773.398931] Call Trace: [ 773.406301] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 773.408706] [ 773.441778] Node 1 active_anon:1432kB 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 [ 773.451122] dump_stack+0x197/0x210 [ 773.453686] Node 0 DMA free:10256kB 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 [ 773.481107] warn_alloc.cold+0x7b/0x173 [ 773.483228] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 773.509178] ? zone_watermark_ok_safe+0x260/0x260 [ 773.512786] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 773.538893] ? __cpuset_node_allowed+0x136/0x540 [ 773.542840] lowmem_reserve[]: 0 0 1 1 1 [ 773.547856] ? __isolate_free_page+0x4c0/0x4c0 [ 773.552674] 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 [ 773.581439] ? wake_all_kswapds+0x14d/0x300 [ 773.586182] lowmem_reserve[]: 0 0 0 0 0 [ 773.590168] __alloc_pages_slowpath+0x2214/0x2870 [ 773.594718] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 773.620498] ? warn_alloc+0x110/0x110 [ 773.624778] lowmem_reserve[]: 0 0 0 0 0 [ 773.628747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 773.633571] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 773.662109] ? should_fail+0x14d/0x85c [ 773.665895] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 773.669865] ? __isolate_free_page+0x4c0/0x4c0 [ 773.675393] 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 [ 773.687205] __alloc_pages_nodemask+0x617/0x750 [ 773.691060] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 773.705800] ? __alloc_pages_slowpath+0x2870/0x2870 [ 773.710371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 773.721025] cache_grow_begin+0x91/0x8c0 [ 773.725663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 773.740747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.745744] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 773.754563] ? __cpuset_node_allowed+0x136/0x540 [ 773.758598] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 773.758606] 269 total pagecache pages [ 773.767172] fallback_alloc+0x1fd/0x2d0 [ 773.772947] 0 pages in swap cache [ 773.781771] ____cache_alloc_node+0x1be/0x1e0 [ 773.786509] Swap cache stats: add 0, delete 0, find 0/0 [ 773.795084] kmem_cache_alloc_node+0xe3/0x710 [ 773.798859] Free swap = 0kB [ 773.802841] __alloc_skb+0xd5/0x5f0 [ 773.806268] Total swap = 0kB [ 773.806276] 1965979 pages RAM [ 773.810761] ? skb_trim+0x190/0x190 [ 773.816094] 0 pages HighMem/MovableOnly [ 773.816101] 341723 pages reserved [ 773.820584] ? check_preemption_disabled+0x48/0x290 [ 773.823584] 0 pages cma reserved [ 773.827203] ? lock_acquire+0x16f/0x3f0 [ 773.830256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 773.833296] new_skb+0x28/0x1d0 [ 773.836955] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 773.840869] aoecmd_cfg+0x1b5/0x640 [ 773.844303] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 773.849310] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 773.890189] ? timer_reduce+0x11d0/0x11d0 [ 773.894336] discover_timer+0x4e/0x60 [ 773.898128] call_timer_fn+0x18d/0x720 [ 773.902005] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 773.906665] ? process_timeout+0x40/0x40 [ 773.910731] ? run_timer_softirq+0x644/0x16a0 [ 773.915308] ? trace_hardirqs_on+0x67/0x220 [ 773.919656] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 773.924316] run_timer_softirq+0x64f/0x16a0 [ 773.928638] ? add_timer+0xbe0/0xbe0 [ 773.932355] ? __lock_is_held+0xb6/0x140 [ 773.936422] __do_softirq+0x25c/0x921 [ 773.940216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.945753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 773.951289] irq_exit+0x180/0x1d0 [ 773.954733] smp_apic_timer_interrupt+0x13b/0x550 [ 773.959640] apic_timer_interrupt+0xf/0x20 [ 773.963897] [ 773.966151] RIP: 0010:smp_call_function_single+0x139/0x420 [ 773.971823] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 773.990729] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 773.998441] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 774.005701] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 774.012961] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 774.020924] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 774.028195] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 774.035478] ? smp_call_function_single+0x14c/0x420 [ 774.040488] ? smp_call_function_single+0x137/0x420 [ 774.045503] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 774.051292] ? generic_exec_single+0x490/0x490 [ 774.055865] ? __lock_acquire+0x6ee/0x49c0 [ 774.060090] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 774.065881] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 774.070889] ? find_next_and_bit+0x19a/0x200 [ 774.075295] smp_call_function_many+0x75f/0x8e0 [ 774.079956] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 774.085752] native_flush_tlb_others+0x81/0x420 [ 774.090414] flush_tlb_mm_range+0x21c/0x350 [ 774.094738] ? native_flush_tlb_others+0x420/0x420 [ 774.099664] ? lock_acquire+0x16f/0x3f0 [ 774.103633] ? kasan_check_write+0x14/0x20 [ 774.107861] flush_tlb_batched_pending+0x6e/0xb0 [ 774.112611] unmap_page_range+0x8b5/0x1fb0 [ 774.116852] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 774.121339] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 774.126882] ? kasan_check_write+0x14/0x20 [ 774.131110] __oom_reap_task_mm+0x1fb/0x3a0 [ 774.135426] ? process_shares_mm+0x130/0x130 [ 774.139829] ? oom_reaper+0x12c/0x1160 [ 774.143717] ? __lock_is_held+0xb6/0x140 [ 774.147776] oom_reaper+0x246/0x1160 [ 774.151574] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 774.156078] ? trace_hardirqs_on+0x67/0x220 [ 774.160433] ? finish_wait+0x260/0x260 [ 774.164336] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 774.169541] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 774.175095] ? __kthread_parkme+0xfb/0x1b0 [ 774.179327] kthread+0x354/0x420 [ 774.182697] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 774.187185] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 774.192726] ret_from_fork+0x24/0x30 [ 774.196458] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 774.196573] aoe: skb alloc failure [ 774.204256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 774.204261] Call Trace: [ 774.204268] [ 774.204285] dump_stack+0x197/0x210 [ 774.204302] warn_alloc.cold+0x7b/0x173 [ 774.207869] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 774.217183] ? zone_watermark_ok_safe+0x260/0x260 [ 774.219750] oom_reaper cpuset=/ mems_allowed=0-1 [ 774.222248] ? __cpuset_node_allowed+0x136/0x540 [ 774.255113] ? __isolate_free_page+0x4c0/0x4c0 [ 774.259718] ? wake_all_kswapds+0x14d/0x300 [ 774.264060] __alloc_pages_slowpath+0x2214/0x2870 [ 774.269019] ? warn_alloc+0x110/0x110 [ 774.272835] ? __lock_acquire+0x6ee/0x49c0 [ 774.277092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.282633] ? should_fail+0x14d/0x85c [ 774.286540] ? __isolate_free_page+0x4c0/0x4c0 [ 774.291146] __alloc_pages_nodemask+0x617/0x750 [ 774.297253] ? __alloc_pages_slowpath+0x2870/0x2870 [ 774.302274] ? find_held_lock+0x35/0x130 [ 774.306449] cache_grow_begin+0x91/0x8c0 [ 774.310524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.316092] ? __cpuset_node_allowed+0x136/0x540 [ 774.320887] fallback_alloc+0x1fd/0x2d0 [ 774.324886] ____cache_alloc_node+0x1be/0x1e0 [ 774.329395] kmem_cache_alloc+0x1f3/0x700 [ 774.333570] ? mark_held_locks+0xb1/0x100 [ 774.337827] ? __netdev_alloc_skb+0x370/0x470 [ 774.342448] __build_skb+0x3e/0x310 [ 774.346101] __netdev_alloc_skb+0x2ba/0x470 [ 774.350445] send_hsr_supervision_frame+0x110/0xf30 [ 774.355487] ? lock_acquire+0x16f/0x3f0 [ 774.359501] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 774.364544] hsr_announce+0x12f/0x3b0 [ 774.368344] call_timer_fn+0x18d/0x720 [ 774.372238] ? send_hsr_supervision_frame+0xf30/0xf30 [ 774.377540] ? process_timeout+0x40/0x40 [ 774.381621] ? run_timer_softirq+0x644/0x16a0 [ 774.386126] ? trace_hardirqs_on+0x67/0x220 [ 774.390453] ? send_hsr_supervision_frame+0xf30/0xf30 [ 774.395660] run_timer_softirq+0x64f/0x16a0 [ 774.400111] ? add_timer+0xbe0/0xbe0 [ 774.403840] ? __lock_is_held+0xb6/0x140 [ 774.407912] __do_softirq+0x25c/0x921 [ 774.411714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.417273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.422836] irq_exit+0x180/0x1d0 [ 774.426289] smp_apic_timer_interrupt+0x13b/0x550 [ 774.431146] apic_timer_interrupt+0xf/0x20 [ 774.435405] [ 774.437758] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 774.442700] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 774.464393] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 774.472220] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 774.479517] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 774.486812] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 774.494086] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 774.501478] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 774.508809] skb_clone+0x156/0x3e0 [ 774.512360] bpf_clone_redirect+0xb2/0x480 [ 774.516596] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 774.521606] ? 0xffffffff81000000 [ 774.525074] ? mark_held_locks+0x100/0x100 [ 774.529318] ? trace_hardirqs_on_caller+0x6a/0x220 [ 774.534248] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 774.539025] ? bpf_test_run+0x146/0x430 [ 774.542996] ? find_held_lock+0x35/0x130 [ 774.547745] ? bpf_test_run+0x146/0x430 [ 774.551720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 774.557255] ? check_preemption_disabled+0x48/0x290 [ 774.562277] ? lock_acquire+0x16f/0x3f0 [ 774.566248] ? kasan_check_read+0x11/0x20 [ 774.570392] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 774.575665] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 774.581207] bpf_test_run+0x10d/0x430 [ 774.585014] bpf_prog_test_run_skb+0x64b/0xb20 [ 774.589684] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 774.594542] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 774.600162] ? fput+0x128/0x1a0 [ 774.603435] ? __bpf_prog_get+0x97/0x290 [ 774.607488] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 774.612339] bpf_prog_test_run+0x129/0x1a0 [ 774.616569] __x64_sys_bpf+0x397/0x4c0 [ 774.620452] ? bpf_prog_get+0x20/0x20 [ 774.624252] ? do_syscall_64+0x26/0x620 [ 774.628256] ? lockdep_hardirqs_on+0x415/0x5d0 [ 774.632845] ? trace_hardirqs_on+0x67/0x220 [ 774.637198] do_syscall_64+0xfd/0x620 [ 774.641032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 774.646226] RIP: 0033:0x45af49 [ 774.649431] Code: Bad RIP value. [ 774.652787] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 774.660485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 774.667746] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 774.675007] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 774.682266] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 774.690657] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 774.697940] warn_alloc_show_mem: 1 callbacks suppressed [ 774.697950] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 774.697952] Mem-Info: [ 774.697981] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 774.697981] active_file:13 inactive_file:11 isolated_file:0 [ 774.697981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 774.697981] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 774.697981] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 774.697981] free:10923 free_pcp:135 free_cma:0 [ 774.704017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 774.704025] Call Trace: [ 774.711397] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 774.713804] [ 774.746870] Node 1 active_anon:1432kB 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 [ 774.756310] dump_stack+0x197/0x210 [ 774.758871] Node 0 DMA free:10256kB 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 [ 774.786454] warn_alloc.cold+0x7b/0x173 [ 774.788581] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 774.814517] ? zone_watermark_ok_safe+0x260/0x260 [ 774.818117] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 774.844220] ? __cpuset_node_allowed+0x136/0x540 [ 774.848170] lowmem_reserve[]: 0 0 1 1 1 [ 774.853196] ? __isolate_free_page+0x4c0/0x4c0 [ 774.859666] 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 [ 774.888288] ? wake_all_kswapds+0x14d/0x300 [ 774.893371] lowmem_reserve[]: 0 0 0 0 0 [ 774.897357] __alloc_pages_slowpath+0x2214/0x2870 [ 774.901910] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 774.927700] ? warn_alloc+0x110/0x110 [ 774.932001] lowmem_reserve[]: 0 0 0 0 0 [ 774.936010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 774.940838] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 774.968695] ? should_fail+0x14d/0x85c [ 774.972467] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 774.976446] ? __isolate_free_page+0x4c0/0x4c0 [ 774.981957] 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 [ 774.993751] __alloc_pages_nodemask+0x617/0x750 [ 774.997608] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 775.012347] ? __alloc_pages_slowpath+0x2870/0x2870 [ 775.016904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 775.027576] cache_grow_begin+0x91/0x8c0 [ 775.032240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 775.047354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.052446] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 775.061265] ? __cpuset_node_allowed+0x136/0x540 [ 775.065304] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 775.074085] fallback_alloc+0x1fd/0x2d0 [ 775.079702] 269 total pagecache pages [ 775.088533] ____cache_alloc_node+0x1be/0x1e0 [ 775.093355] 0 pages in swap cache [ 775.102012] kmem_cache_alloc_node+0xe3/0x710 [ 775.105965] Swap cache stats: add 0, delete 0, find 0/0 [ 775.109850] __alloc_skb+0xd5/0x5f0 [ 775.114308] Free swap = 0kB [ 775.114315] Total swap = 0kB [ 775.117763] ? skb_trim+0x190/0x190 [ 775.122231] 1965979 pages RAM [ 775.127583] ? check_preemption_disabled+0x48/0x290 [ 775.131183] 0 pages HighMem/MovableOnly [ 775.134201] ? lock_acquire+0x16f/0x3f0 [ 775.137195] 341723 pages reserved [ 775.140816] new_skb+0x28/0x1d0 [ 775.143892] 0 pages cma reserved [ 775.148912] aoecmd_cfg+0x1b5/0x640 [ 775.152966] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 775.156839] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 775.160279] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 775.163554] ? timer_reduce+0x11d0/0x11d0 [ 775.195560] discover_timer+0x4e/0x60 [ 775.199357] call_timer_fn+0x18d/0x720 [ 775.203241] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 775.207906] ? process_timeout+0x40/0x40 [ 775.212047] ? run_timer_softirq+0x644/0x16a0 [ 775.216540] ? trace_hardirqs_on+0x67/0x220 [ 775.220860] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 775.225521] run_timer_softirq+0x64f/0x16a0 [ 775.229841] ? add_timer+0xbe0/0xbe0 [ 775.233551] ? __lock_is_held+0xb6/0x140 [ 775.237966] __do_softirq+0x25c/0x921 [ 775.241756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.247296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.252835] irq_exit+0x180/0x1d0 [ 775.256282] smp_apic_timer_interrupt+0x13b/0x550 [ 775.261120] apic_timer_interrupt+0xf/0x20 [ 775.265343] [ 775.267597] RIP: 0010:smp_call_function_single+0x139/0x420 [ 775.273303] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 775.292198] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 775.299902] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 775.307176] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 775.314441] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 775.321725] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 775.328994] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 775.336803] ? smp_call_function_single+0x14c/0x420 [ 775.341830] ? smp_call_function_single+0x137/0x420 [ 775.346846] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 775.352657] ? generic_exec_single+0x490/0x490 [ 775.357235] ? __lock_acquire+0x6ee/0x49c0 [ 775.361462] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 775.367265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 775.372277] ? find_next_and_bit+0x19a/0x200 [ 775.376700] smp_call_function_many+0x75f/0x8e0 [ 775.381365] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 775.387181] native_flush_tlb_others+0x81/0x420 [ 775.391846] flush_tlb_mm_range+0x21c/0x350 [ 775.396177] ? native_flush_tlb_others+0x420/0x420 [ 775.401103] ? lock_acquire+0x16f/0x3f0 [ 775.405084] ? kasan_check_write+0x14/0x20 [ 775.409315] flush_tlb_batched_pending+0x6e/0xb0 [ 775.414089] unmap_page_range+0x8b5/0x1fb0 [ 775.418359] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 775.422878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 775.428441] ? kasan_check_write+0x14/0x20 [ 775.432680] __oom_reap_task_mm+0x1fb/0x3a0 [ 775.437005] ? process_shares_mm+0x130/0x130 [ 775.441413] ? oom_reaper+0x12c/0x1160 [ 775.445302] ? __lock_is_held+0xb6/0x140 [ 775.449365] oom_reaper+0x246/0x1160 [ 775.453082] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 775.457572] ? trace_hardirqs_on+0x67/0x220 [ 775.461899] ? finish_wait+0x260/0x260 [ 775.465784] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 775.470884] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 775.476416] ? __kthread_parkme+0xfb/0x1b0 [ 775.480666] kthread+0x354/0x420 [ 775.484079] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 775.488586] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 775.494128] ret_from_fork+0x24/0x30 [ 775.497871] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 775.497930] aoe: skb alloc failure [ 775.505666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.505674] Call Trace: [ 775.509256] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 775.518542] [ 775.521110] oom_reaper cpuset=/ mems_allowed=0-1 [ 775.531330] dump_stack+0x197/0x210 [ 775.541807] warn_alloc.cold+0x7b/0x173 [ 775.545781] ? zone_watermark_ok_safe+0x260/0x260 [ 775.550621] ? __cpuset_node_allowed+0x136/0x540 [ 775.555383] ? __isolate_free_page+0x4c0/0x4c0 [ 775.559964] ? wake_all_kswapds+0x14d/0x300 [ 775.564287] __alloc_pages_slowpath+0x2214/0x2870 [ 775.569256] ? warn_alloc+0x110/0x110 [ 775.573153] ? __lock_acquire+0x6ee/0x49c0 [ 775.577410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 775.582996] ? should_fail+0x14d/0x85c [ 775.586893] ? __isolate_free_page+0x4c0/0x4c0 [ 775.591480] __alloc_pages_nodemask+0x617/0x750 [ 775.596152] ? __alloc_pages_slowpath+0x2870/0x2870 [ 775.601173] ? find_held_lock+0x35/0x130 [ 775.605243] cache_grow_begin+0x91/0x8c0 [ 775.609389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.614932] ? __cpuset_node_allowed+0x136/0x540 [ 775.619683] fallback_alloc+0x1fd/0x2d0 [ 775.623667] ____cache_alloc_node+0x1be/0x1e0 [ 775.628157] kmem_cache_alloc+0x1f3/0x700 [ 775.632299] ? mark_held_locks+0xb1/0x100 [ 775.637058] ? __netdev_alloc_skb+0x370/0x470 [ 775.641550] __build_skb+0x3e/0x310 [ 775.645181] __netdev_alloc_skb+0x2ba/0x470 [ 775.649512] send_hsr_supervision_frame+0x110/0xf30 [ 775.654522] ? lock_acquire+0x16f/0x3f0 [ 775.658501] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 775.663540] hsr_announce+0x12f/0x3b0 [ 775.667349] call_timer_fn+0x18d/0x720 [ 775.671271] ? send_hsr_supervision_frame+0xf30/0xf30 [ 775.676466] ? process_timeout+0x40/0x40 [ 775.680551] ? run_timer_softirq+0x644/0x16a0 [ 775.685151] ? trace_hardirqs_on+0x67/0x220 [ 775.689478] ? send_hsr_supervision_frame+0xf30/0xf30 [ 775.694836] run_timer_softirq+0x64f/0x16a0 [ 775.699163] ? add_timer+0xbe0/0xbe0 [ 775.702896] ? __lock_is_held+0xb6/0x140 [ 775.706988] __do_softirq+0x25c/0x921 [ 775.710810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.716362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.721945] irq_exit+0x180/0x1d0 [ 775.725425] smp_apic_timer_interrupt+0x13b/0x550 [ 775.730278] apic_timer_interrupt+0xf/0x20 [ 775.734528] [ 775.736782] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 775.741718] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 775.760885] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 775.768595] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 775.775891] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 775.783177] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 775.790504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 775.797790] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 775.805162] skb_clone+0x156/0x3e0 [ 775.808734] bpf_clone_redirect+0xb2/0x480 [ 775.812982] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 775.818039] ? 0xffffffff81000000 [ 775.821519] ? mark_held_locks+0x100/0x100 [ 775.825762] ? trace_hardirqs_on_caller+0x6a/0x220 [ 775.830714] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 775.835537] ? bpf_test_run+0x146/0x430 [ 775.839536] ? find_held_lock+0x35/0x130 [ 775.843607] ? bpf_test_run+0x146/0x430 [ 775.847585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 775.853144] ? check_preemption_disabled+0x48/0x290 [ 775.858181] ? lock_acquire+0x16f/0x3f0 [ 775.862178] ? kasan_check_read+0x11/0x20 [ 775.866767] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 775.871963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 775.877498] bpf_test_run+0x10d/0x430 [ 775.881320] bpf_prog_test_run_skb+0x64b/0xb20 [ 775.885901] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 775.890823] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 775.896441] ? fput+0x128/0x1a0 [ 775.899717] ? __bpf_prog_get+0x97/0x290 [ 775.903778] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 775.908628] bpf_prog_test_run+0x129/0x1a0 [ 775.912859] __x64_sys_bpf+0x397/0x4c0 [ 775.916761] ? bpf_prog_get+0x20/0x20 [ 775.920574] ? do_syscall_64+0x26/0x620 [ 775.924564] ? lockdep_hardirqs_on+0x415/0x5d0 [ 775.929150] ? trace_hardirqs_on+0x67/0x220 [ 775.933471] do_syscall_64+0xfd/0x620 [ 775.937272] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 775.942452] RIP: 0033:0x45af49 [ 775.945960] Code: Bad RIP value. [ 775.949350] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 775.957048] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 775.964326] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 775.971590] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 775.978853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 775.986122] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 775.993658] warn_alloc_show_mem: 1 callbacks suppressed [ 775.993670] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 775.993672] Mem-Info: [ 775.993703] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 775.993703] active_file:13 inactive_file:11 isolated_file:0 [ 775.993703] unevictable:0 dirty:0 writeback:0 unstable:0 [ 775.993703] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 775.993703] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 775.993703] free:10923 free_pcp:135 free_cma:0 [ 775.999054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.999062] Call Trace: [ 776.006459] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 776.008876] [ 776.041936] Node 1 active_anon:1432kB 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 [ 776.051292] dump_stack+0x197/0x210 [ 776.053949] Node 0 DMA free:10256kB 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 [ 776.081448] warn_alloc.cold+0x7b/0x173 [ 776.083578] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 776.110753] ? zone_watermark_ok_safe+0x260/0x260 [ 776.114362] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 776.140468] ? __cpuset_node_allowed+0x136/0x540 [ 776.144428] lowmem_reserve[]: 0 0 1 1 1 [ 776.149448] ? __isolate_free_page+0x4c0/0x4c0 [ 776.154265] 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 [ 776.182889] ? wake_all_kswapds+0x14d/0x300 [ 776.187638] lowmem_reserve[]: 0 0 0 0 0 [ 776.191613] __alloc_pages_slowpath+0x2214/0x2870 [ 776.196182] Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB 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:292kB local_pcp:248kB free_cma:0kB [ 776.221957] ? warn_alloc+0x110/0x110 [ 776.226236] lowmem_reserve[]: 0 0 0 0 0 [ 776.230207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.235024] Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB [ 776.262880] ? should_fail+0x14d/0x85c [ 776.266672] Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB [ 776.270644] ? __isolate_free_page+0x4c0/0x4c0 [ 776.276167] 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 [ 776.287967] __alloc_pages_nodemask+0x617/0x750 [ 776.291833] Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB [ 776.306571] ? __alloc_pages_slowpath+0x2870/0x2870 [ 776.311149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 776.321891] cache_grow_begin+0x91/0x8c0 [ 776.326523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 776.326536] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 776.341642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.346650] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 776.355474] ? __cpuset_node_allowed+0x136/0x540 [ 776.359508] 269 total pagecache pages [ 776.368248] fallback_alloc+0x1fd/0x2d0 [ 776.377063] 0 pages in swap cache [ 776.382596] ____cache_alloc_node+0x1be/0x1e0 [ 776.391137] Swap cache stats: add 0, delete 0, find 0/0 [ 776.391145] Free swap = 0kB [ 776.395906] kmem_cache_alloc_node+0xe3/0x710 [ 776.399677] Total swap = 0kB [ 776.399690] 1965979 pages RAM [ 776.403671] __alloc_skb+0xd5/0x5f0 [ 776.407089] 0 pages HighMem/MovableOnly [ 776.411578] ? skb_trim+0x190/0x190 [ 776.416909] 341723 pages reserved [ 776.416916] 0 pages cma reserved [ 776.419930] ? check_preemption_disabled+0x48/0x290 [ 776.424565] syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 776.427422] ? lock_acquire+0x16f/0x3f0 [ 776.430527] syz-executor.0 cpuset=syz0 mems_allowed=0-1 [ 776.434171] new_skb+0x28/0x1d0 [ 776.477322] aoecmd_cfg+0x1b5/0x640 [ 776.480973] ? aoecmd_ata_rsp+0x13a0/0x13a0 [ 776.485320] ? timer_reduce+0x11d0/0x11d0 [ 776.489514] discover_timer+0x4e/0x60 [ 776.493317] call_timer_fn+0x18d/0x720 [ 776.497202] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 776.501873] ? process_timeout+0x40/0x40 [ 776.505951] ? run_timer_softirq+0x644/0x16a0 [ 776.510727] ? trace_hardirqs_on+0x67/0x220 [ 776.515055] ? aoedev_by_aoeaddr.cold+0x83/0x83 [ 776.519723] run_timer_softirq+0x64f/0x16a0 [ 776.524048] ? add_timer+0xbe0/0xbe0 [ 776.527761] ? __lock_is_held+0xb6/0x140 [ 776.531826] __do_softirq+0x25c/0x921 [ 776.535617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.541145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.546682] irq_exit+0x180/0x1d0 [ 776.550130] smp_apic_timer_interrupt+0x13b/0x550 [ 776.554975] apic_timer_interrupt+0xf/0x20 [ 776.559213] [ 776.561443] RIP: 0010:smp_call_function_single+0x139/0x420 [ 776.567146] Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4 [ 776.586040] RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 776.593745] RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec [ 776.601004] RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005 [ 776.608261] RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81 [ 776.615519] R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001 [ 776.622778] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 776.630050] ? smp_call_function_single+0x14c/0x420 [ 776.635057] ? smp_call_function_single+0x137/0x420 [ 776.640100] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 776.645929] ? generic_exec_single+0x490/0x490 [ 776.650527] ? __lock_acquire+0x6ee/0x49c0 [ 776.654772] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 776.660571] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 776.665586] ? find_next_and_bit+0x19a/0x200 [ 776.670013] smp_call_function_many+0x75f/0x8e0 [ 776.674679] ? flush_tlb_func_common.constprop.0+0x8d0/0x8d0 [ 776.680486] native_flush_tlb_others+0x81/0x420 [ 776.685149] flush_tlb_mm_range+0x21c/0x350 [ 776.689465] ? native_flush_tlb_others+0x420/0x420 [ 776.694386] ? lock_acquire+0x16f/0x3f0 [ 776.698365] ? kasan_check_write+0x14/0x20 [ 776.702599] flush_tlb_batched_pending+0x6e/0xb0 [ 776.707348] unmap_page_range+0x8b5/0x1fb0 [ 776.711590] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 776.716075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 776.721606] ? kasan_check_write+0x14/0x20 [ 776.725845] __oom_reap_task_mm+0x1fb/0x3a0 [ 776.730162] ? process_shares_mm+0x130/0x130 [ 776.734565] ? oom_reaper+0x12c/0x1160 [ 776.738451] ? __lock_is_held+0xb6/0x140 [ 776.742516] oom_reaper+0x246/0x1160 [ 776.746239] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 776.750729] ? trace_hardirqs_on+0x67/0x220 [ 776.755042] ? finish_wait+0x260/0x260 [ 776.758935] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 776.764028] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 776.769558] ? __kthread_parkme+0xfb/0x1b0 [ 776.773810] kthread+0x354/0x420 [ 776.777187] ? __oom_reap_task_mm+0x3a0/0x3a0 [ 776.781699] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 776.787258] ret_from_fork+0x24/0x30 [ 776.790987] CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0 [ 776.791044] aoe: skb alloc failure [ 776.799305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 776.799311] Call Trace: [ 776.799317] [ 776.799335] dump_stack+0x197/0x210 [ 776.799353] warn_alloc.cold+0x7b/0x173 [ 776.802904] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 776.812236] ? zone_watermark_ok_safe+0x260/0x260 [ 776.814789] oom_reaper cpuset=/ mems_allowed=0-1 [ 776.816940] ? __cpuset_node_allowed+0x136/0x540 [ 776.849026] ? __isolate_free_page+0x4c0/0x4c0 [ 776.853602] ? wake_all_kswapds+0x14d/0x300 [ 776.857932] __alloc_pages_slowpath+0x2214/0x2870 [ 776.862782] ? warn_alloc+0x110/0x110 [ 776.866579] ? __lock_acquire+0x6ee/0x49c0 [ 776.870805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 776.876333] ? should_fail+0x14d/0x85c [ 776.880215] ? __isolate_free_page+0x4c0/0x4c0 [ 776.884796] __alloc_pages_nodemask+0x617/0x750 [ 776.889463] ? __alloc_pages_slowpath+0x2870/0x2870 [ 776.894477] ? find_held_lock+0x35/0x130 [ 776.898531] cache_grow_begin+0x91/0x8c0 [ 776.902588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.908127] ? __cpuset_node_allowed+0x136/0x540 [ 776.912877] fallback_alloc+0x1fd/0x2d0 [ 776.916849] ____cache_alloc_node+0x1be/0x1e0 [ 776.921340] kmem_cache_alloc_node+0xe3/0x710 [ 776.925838] ? ipv6_get_ifaddr+0x36c/0x4f0 [ 776.930081] __alloc_skb+0xd5/0x5f0 [ 776.933704] ? skb_trim+0x190/0x190 [ 776.937326] ? kasan_check_read+0x11/0x20 [ 776.941472] ndisc_alloc_skb+0x13c/0x340 [ 776.945528] ndisc_send_rs+0x35f/0x6e0 [ 776.949417] addrconf_rs_timer+0x30f/0x680 [ 776.953645] ? ipv6_get_lladdr+0x490/0x490 [ 776.957878] call_timer_fn+0x18d/0x720 [ 776.961758] ? ipv6_get_lladdr+0x490/0x490 [ 776.965981] ? process_timeout+0x40/0x40 [ 776.970031] ? run_timer_softirq+0x644/0x16a0 [ 776.974523] ? trace_hardirqs_on+0x67/0x220 [ 776.978838] ? ipv6_get_lladdr+0x490/0x490 [ 776.983063] run_timer_softirq+0x64f/0x16a0 [ 776.987380] ? add_timer+0xbe0/0xbe0 [ 776.991084] ? __lock_is_held+0xb6/0x140 [ 776.995160] __do_softirq+0x25c/0x921 [ 776.998950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.004479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.010016] irq_exit+0x180/0x1d0 [ 777.013462] smp_apic_timer_interrupt+0x13b/0x550 [ 777.018301] apic_timer_interrupt+0xf/0x20 [ 777.022518] [ 777.024745] RIP: 0010:kmem_cache_alloc+0x287/0x700 [ 777.029677] Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23 [ 777.048577] RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 777.056300] RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 [ 777.063582] RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282 [ 777.070935] RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000 [ 777.078305] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 777.085564] R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 [ 777.092861] skb_clone+0x156/0x3e0 [ 777.096398] bpf_clone_redirect+0xb2/0x480 [ 777.100631] bpf_prog_bebbfe2050753572+0x5b6/0x1000 [ 777.105635] ? 0xffffffff81000000 [ 777.109088] ? mark_held_locks+0x100/0x100 [ 777.113311] ? trace_hardirqs_on_caller+0x6a/0x220 [ 777.118248] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 777.122997] ? bpf_test_run+0x146/0x430 [ 777.126974] ? find_held_lock+0x35/0x130 [ 777.131026] ? bpf_test_run+0x146/0x430 [ 777.134999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.140525] ? check_preemption_disabled+0x48/0x290 [ 777.145531] ? lock_acquire+0x16f/0x3f0 [ 777.149501] ? kasan_check_read+0x11/0x20 [ 777.153641] ? rcu_dynticks_curr_cpu_in_eqs+0x51/0xb0 [ 777.158823] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 777.164371] bpf_test_run+0x10d/0x430 [ 777.168211] bpf_prog_test_run_skb+0x64b/0xb20 [ 777.172828] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 777.177671] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 777.183209] ? fput+0x128/0x1a0 [ 777.186487] ? __bpf_prog_get+0x97/0x290 [ 777.190549] ? bpf_test_finish.isra.0+0x1d0/0x1d0 [ 777.195384] bpf_prog_test_run+0x129/0x1a0 [ 777.199631] __x64_sys_bpf+0x397/0x4c0 [ 777.203511] ? bpf_prog_get+0x20/0x20 [ 777.207310] ? do_syscall_64+0x26/0x620 [ 777.211279] ? lockdep_hardirqs_on+0x415/0x5d0 [ 777.215855] ? trace_hardirqs_on+0x67/0x220 [ 777.220177] do_syscall_64+0xfd/0x620 [ 777.223988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 777.229177] RIP: 0033:0x45af49 [ 777.232409] Code: Bad RIP value. [ 777.235859] RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 777.243554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 777.250811] RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a [ 777.258080] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 777.265338] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4 [ 777.272598] R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff [ 777.279874] warn_alloc_show_mem: 1 callbacks suppressed [ 777.279884] CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0 [ 777.279886] Mem-Info: [ 777.279915] active_anon:98919 inactive_anon:189 isolated_anon:0 [ 777.279915] active_file:13 inactive_file:11 isolated_file:0 [ 777.279915] unevictable:0 dirty:0 writeback:0 unstable:0 [ 777.279915] slab_reclaimable:11917 slab_unreclaimable:1406167 [ 777.279915] mapped:52226 shmem:245 pagetables:1013 bounce:0 [ 777.279915] free:10923 free_pcp:135 free_cma:0 [ 777.285270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 777.292631] Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 777.295022] Call Trace: [ 777.328334] Node 1 active_anon:1432kB 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 [ 777.337661] [ 777.365076] Node 0 DMA free:10256kB 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 [ 777.367668] dump_stack+0x197/0x210 [ 777.393568] lowmem_reserve[]: 0 2545 2546 2546 2546 [ 777.395736] warn_alloc.cold+0x7b/0x173 [ 777.421815] Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 777.425452] ? zone_watermark_ok_safe+0x260/0x260 [ 777.430434] lowmem_reserve[]: 0 0 1 1 1 [ 777.434418] ? __cpuset_node_allowed+0x136/0x540 [ 777.463032] 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 [ 777.467892] ? __isolate_free_page+0x4c0/0x4c0 [ 777.471816] lowmem_reserve[]: 0 0 0 0 0 [ 777.476582] ? wake_all_kswapds+0x14d/0x300